Journal articleMol Carcinog · August 2026
B cells are integral components of the tumor microenvironment (TME) and influence the progression, prognosis, and immunotherapy response of gastric cancer (GC). However, the prognostic relevance of germline variants in B cell-related immune genes remains u ...
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Journal articleCancers (Basel) · July 14, 2026
Purpose: Nucleotide metabolism plays a critical role in cancer development, but the prognostic significance of genetic variants in nucleotide metabolism genes for hepatitis B virus (HBV)-related hepatocellular carcinoma (HCC) patients remains unclear. Meth ...
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Journal articleJ Adv Res · July 2026
INTRODUCTION: Rural-urban disparity of cancer is a major public health problem, with an unclear gap in noncancer death. It is important to evaluate rural-urban disparities in cardiovascular diseases (CVDs) and other competing death among cancer patients. O ...
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Journal articleJ Genet Genomics · April 2026
Liver cancer ranks sixth in cancer incidence and third in cancer-related deaths worldwide. Hepatocellular carcinoma (HCC) is the primary histological subtype, and hepatitis B virus (HBV) carriers have a higher risk of HCC. Although several susceptibility l ...
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Journal articleCOVID · December 2025
IMPORTANCE: The coronavirus disease 2019 (COVID-19) was the third leading cause of mortality in the United States for three years in a row. The genetic contributions to disease severity remain unclear and many previously identified single nucleotide polymo ...
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Journal articleInt J Cancer · June 1, 2025
Fibroblasts are important components in the tumor microenvironment and can affect tumor progression and metastasis. However, the roles of genetic variants of the fibroblast-related genes (FRGs) in the prognosis of non-small-cell lung cancer (NSCLC) patient ...
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Journal articleInt J Cancer · February 15, 2025
Ferroptosis, a form of regulated cell death, is characterized by iron-dependent lipid peroxidation. It is recognized increasingly for its pivotal role in both cancer development and the response to cancer treatments. We assessed associations between 370,02 ...
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Journal articleMol Carcinog · September 2024
BACKGROUND: Pyroptosis has been implicated in the advancement of various cancers. Triggering pyroptosis within tumors amplifies the immune response, thereby fostering an antitumor immune environment. Nonetheless, few published studies have evaluated associ ...
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Journal articleCancer Med · August 2024
BACKGROUND: Hypoxia is often involved in tumor microenvironment, and the hypoxia-induced signaling pathways play a key role in aggressive cancer phenotypes, including angiogenesis, immune evasion, and therapy resistance. However, it is unknown what role ge ...
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Journal articleEBioMedicine · July 2024
BACKGROUND: Cyclin-dependent kinase 4/6 (CDK4/6) inhibitors in combination with traditional endocrine therapy (ET) are now the recommended first-line treatment for hormone receptor (HR)-positive and HER2-negative metastatic breast cancer (MBC). However, th ...
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Journal articleCarcinogenesis · April 12, 2024
Disulfidptosis is a novel form of programmed cell death involved in migration and invasion of cancer cells, but few studies investigated the roles of genetic variants in disulfidptosis-related genes in survival of patients with hepatitis B virus (HBV)-rela ...
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Journal articleCancer Immunol Immunother · March 30, 2024
TGF-β1 and TGF-βR1 play important roles in immune and inflammatory responses. Genetic variants of TGF-β1 rs1800470 and TGF-βR1 rs334348 have emerged as potentially prognostic biomarkers for HPV-related head and neck cancer, while their prognostic effect on ...
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Journal articleCancer Res · February 15, 2024
UNLABELLED: Cigarette smoke, containing both nicotine and carcinogens, causes lung cancer. However, not all smokers develop lung cancer, highlighting the importance of the interaction between host susceptibility and environmental exposure in tumorigenesis. ...
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Journal articleBreast Cancer Res Treat · February 2024
PURPOSE: To investigate potential differences in pathological complete response (pCR) rates and overall survival (OS) between HER2-low and HER2-zero patients with early-stage hormone receptor (HR)-positive and triple-negative breast cancer (TNBC), in the n ...
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Journal articleHPB (Oxford) · January 2024
BACKGROUND: Despite recommendations for primary tumor resection (PTR) with or without liver resection (LR) in the patients with gastroenteropancreatic neuroendocrine tumors (GEP-NETs) and isolated liver metastases, there are conflicting data for their impa ...
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Journal articleFront Immunol · 2024
B cells are adaptive immune cells in the tumor microenvironment and play an important role in tumor development and metastasis. However, the roles of genetic variants of the immunity B cell-related genes in the survival of patients with non-small cell lung ...
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Journal articleFront Immunol · 2024
BACKGROUND: T cell exhaustion is a state in which T cells become dysfunctional and is associated with a decreased efficacy of immune checkpoint inhibitors. Lung cancer has the highest mortality among all cancers. However, the roles of genetic variants of t ...
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Journal articleInt J Epidemiol · December 25, 2023
BACKGROUND: The role of genetic background underlying the disparity of relative risk of smoking and lung cancer between European populations and East Asians remains unclear. METHODS: To assess the role of ethnic differences in genetic factors associated wi ...
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Journal articleBMC Cancer · December 21, 2023
PURPOSE: Previous randomized studies have shown a survival benefit of using regorafenib but a high rate of adverse events in unresectable colorectal cancer patients. To reduce these adverse events and improve the tolerability, we examined the appropriate d ...
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Journal articleHPB (Oxford) · October 2023
BACKGROUND: Literature is lacking on the impact of advancements in minimally invasive surgery (MIS) on outcomes for patients with gastroenteropancreatic neuroendocrine carcinomas (GEP-NECs). Herein, we compared perioperative and oncologic outcomes among pa ...
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Journal articleClin Cancer Res · August 15, 2023
PURPOSE: TGFβ1 and TGFβ receptor 1 (TGFβR1) participate in regulation of the host's immune system and inflammatory responses and may serve as prognostic biomarkers for human papillomavirus (HPV)-associated oropharyngeal squamous cell carcinoma (OPSCC). EXP ...
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Journal articleEBioMedicine · August 2023
BACKGROUND: Lymphocyte telomere length (LTL)-related genetic variants may modulate LTL and affect recurrence of squamous cell carcinoma of the oropharynx (SCCOP). METHODS: A total of 1013 patients with incident SCCOP were recruited and genotyped for 16 gen ...
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Journal articleJ Surg Oncol · May 2023
BACKGROUND: The role of primary tumor resection (PTR) in the survival of gastrointestinal neuroendocrine carcinoma (GI-NEC) patients with liver metastases only remains poorly defined. Therefore, we investigated the impact of PTR on the survival of GI-NEC p ...
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Journal articleBMC Med · April 27, 2023
BACKGROUND: Effective risk prediction models are lacking for personalized endoscopic screening of gastric cancer (GC). We aimed to develop, validate, and evaluate a questionnaire-based GC risk assessment tool for risk prediction and stratification in the C ...
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Journal articleFront Oncol · 2023
BACKGROUND: Cancers arising within the gastrointestinal tract are complex disorders involving genetic events that cause the conversion of normal tissue to premalignant lesions and malignancy. Shared genetic features are reported in epithelial-based gastroi ...
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Journal articleJ Gene Med · October 2022
BACKGROUND: The Notch signaling pathway is involved in the progression of esophageal squamous cell carcinoma (ESCC), although the roles of single nucleotide polymorphisms (SNPs) of the Notch signaling pathway genes in the process remain unknown. METHODS: T ...
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Journal articleJ Gene Med · October 2022
BACKGROUND: Lung cancer has the highest mortality among cancers, represented by a low 5-year survival rate. The function of the immune system has a profound influence on the development and progression of lung cancer. Thus genetic variants of the immune-re ...
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Journal articleInt J Cancer · August 15, 2022
Polycyclic aromatic hydrocarbons (PAH) and tobacco-specific nitrosamines (TSNA) metabolism-related genes play an important role in the development of cancers. We assessed the associations of genetic variants in genes involved in the metabolism of PAHs and ...
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Journal articleMol Carcinog · July 2022
Peroxisomes play a role in lipid metabolism and regulation of reactive oxygen species, but its role in development and progression of non-small cell lung cancer (NSCLC) is not well understood. Here, we investigated the associations between 9708 single-nucl ...
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Journal articleNPJ Precis Oncol · June 30, 2022
Limited efforts have been made in assessing the effect of genome-wide profiling of RNA splicing-related variation on lung cancer risk. In the present study, we first identified RNA splicing-related genetic variants linked to lung cancer in a genome-wide pr ...
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Journal articleTransl Lung Cancer Res · May 2022
BACKGROUND: Lymphocyte activation is part of a complex microenvironment that affects the development and progression of solid tumors. The present study analyzed the associations between genetic variants in lymphocyte activation-related genes and survival o ...
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Journal articleCarcinogenesis · February 11, 2022
ATM (ataxia-telangiectasia mutated) is an important cell-cycle checkpoint kinase required for cellular response to DNA damage. Activated by DNA double strand breaks, ATM regulates the activities of many downstream proteins involved in various carcinogenic ...
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Journal articleGlob Surg · 2022
The objective of this study was to determine high value questions for early detection and prevention of head and neck cancer by querying content experts on patient risk factors relevant to local communities in Southeast Asia (i.e., Vietnam, Laos, China, an ...
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Journal articleCell Discov · December 21, 2021
Ovarian cancer survival varies considerably among patients, to which germline variation may also contribute in addition to mutational signatures. To identify genetic markers modulating ovarian cancer outcome, we performed a genome-wide association study in ...
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Journal articleCancer Immunol Immunother · October 2021
BACKGROUND: Cellular immunity against tumor cells is highly dependent on antigen presentation by major histocompatibility complex class I (MHC-I) molecules. However, few published studies have investigated associations between functional variants of MHC-I- ...
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Journal articleMol Carcinog · October 2021
Forkhead box class O (FOXO) transcription factors play a pivotal role in regulating a variety of biological processes, including organismal development, cell signaling, cell metabolism, and tumorigenesis. Therefore, we hypothesize that genetic variants in ...
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Journal articleCancer Sci · October 2021
Mitosis is a prognostic factor for cutaneous melanoma (CM), but accurate mitosis detection in CM tissues is difficult. Therefore, the 8th Edition of the American Joint Committee on Cancer staging system has removed the mitotic rate as a category criterion ...
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Journal articleInt J Cancer · September 15, 2021
The mitotic phase is a vital step in cell division and may be involved in cancer progression, but it remains unclear whether genetic variants in mitotic phase-related pathways genes impact the survival of these patients. Here, we investigated associations ...
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Journal articleCancer Res · September 1, 2021
Cancer site-specific polygenic risk scores (PRS) effectively identify individuals at high risk of individual cancers, but the effectiveness of PRS on overall cancer risk assessment and the extent to which a high genetic risk of overall cancer can be offset ...
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Journal articleTransl Res · July 2021
The gonadotropin-releasing hormone (GnRH) signaling pathway controls reproductive functions and cancer growth and progression. However, few studies investigated roles of genetic variants of GnRH pathway genes in survival of patients with non-small cell lun ...
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Journal articleInt J Cancer · July 1, 2021
Notch signaling pathway plays crucial roles in progression of colorectal cancer (CRC), likely affecting overall survival (OS). In a two-stage survival analysis of 1116 CRC patients in East China, we found that one locus at MINAR1 out of 133 genes in the No ...
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Journal articleAnn Transl Med · March 2021
BACKGROUND: Peroxisomes are ubiquitous and dynamic organelles that are involved in the metabolism of reactive oxygen species (ROS) and lipids. However, whether genetic variants in the peroxisome pathway genes are associated with survival in patients with m ...
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Journal articleAm J Cancer Res · 2021
Although natural killer (NK) cells are a known major player in anti-tumor immunity, the effect of genetic variation in NK-associated genes on survival in patients with non-small cell lung cancer (NSCLC) remains unknown. Here, in 1,185 with NSCLC cases of a ...
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Journal articleAm J Cancer Res · 2021
Smoking and alcohol exposure continue to be the dominant risk factors for the development of head and neck squamous cell carcinoma (SCCHN) worldwide. Moreover, human papillomavirus (HPV) is associated with SCCHN, particularly SCC of the oropharynx (SCCOP). ...
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Journal articleAm J Cancer Res · 2021
UNLABELLED: Both in vivo and in vitro evidence has supported a key role of myeloid cells in immune suppression in melanoma and in promoting melanocytic metastases. Some single-nucleotide polymorphisms (SNPs) have been shown to predict cutaneous melanoma-sp ...
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Journal articleFront Oncol · 2021
BACKGROUND: Single nucleotide polymorphisms (SNPs) are often associated with distinct phenotypes in cancer. The present study investigated associations of cancer risk and outcomes with SNPs discovered by whole exome sequencing of normal lung tissue DNA of ...
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Journal articleFront Oncol · 2021
Accumulating evidence supports a role of various damage-associated molecular patterns (DAMPs) in progression of lung cancer, but roles of genetic variants of the DAMPs-related pathway genes in lung cancer survival remain unknown. We investigated associatio ...
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Journal articleCancer Med · December 2020
Because the cadherin-mediated signaling pathway promotes cancer progression, we assessed associations between genetic variants in 109 cadherin-related genes and risk of pancreatic cancer (PanC) by using genotyping data from publically available genome-wide ...
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Journal articleCancer Med · November 2020
BACKGROUND: Neuroblastoma is the most common pediatric solid tumor. MYCN-amplification is an important negative prognostic indicator and inherited genetic contributions to risk are incompletely understood. Genetic determinants of stature increase risk of s ...
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Journal articleThe British journal of dermatology · October 2020
BackgroundFolate metabolism plays an important role in DNA methylation and nucleic acid synthesis and thus may function as a regulatory factor in cancer development. Genome-wide association studies (GWASs) have identified some single-nucleotide po ...
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Journal articleCarcinogenesis · September 24, 2020
Human leukocyte antigen (HLA) is highly polymorphic, driving antigen presentation, complement cascade and leukocyte maturation against cancer cells. Therefore, we extracted genotyping data in the HLA region from an ongoing Chinese genome-wide association s ...
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Journal articleCarcinogenesis · September 24, 2020
Acquired platinum resistance impedes successful treatment of epithelial ovarian cancer (EOC), and this resistance may be associated with inherited DNA damage-repair response. In the present study, we performed a two-phase analysis to assess associations be ...
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Journal articleInt J Cancer · September 15, 2020
The ketone metabolism pathway is a principle procedure in physiological homeostasis and induces cancer cells to switch between glycolysis and oxidative phosphorylation for energy production. We conducted a two-phase analysis for associations between geneti ...
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Journal articleEur J Cancer · September 2020
BACKGROUND: Cutaneous melanoma (CM) is the most lethal type of skin cancers. Nicotinamide adenine dinucleotide phosphate (NADPH) plays an important role in anabolic reactions and tumorigenesis, but many genes are involved in the NADPH system. METHODS: We u ...
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Journal articleMol Carcinog · August 2020
Because the peroxisome proliferator-activated receptor (PPAR) signaling pathway is involved in development and progression of pancreatic cancer, we investigated associations between genetic variants of the PPAR pathway genes and pancreatic cancer risk by u ...
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Journal articleCancer Epidemiol Biomarkers Prev · August 2020
BACKGROUND: IFNγ is a pleiotropic cytokine that plays critical immunomodulatory roles in intercellular communication in innate and adaptive immune responses. Despite recognition of IFNγ signaling effects on host defense against viral infection and its util ...
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Journal articleInt J Cancer · July 15, 2020
The endosome is a membrane-bound organ inside most eukaryotic cells, playing an important role in adaptive immunity by delivering endocytosed antigens to both MHC class I and II pathways. Here, by analyzing genotyping data from two published genome-wide as ...
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Journal articleCancer Res · June 15, 2020
To identify genetic variants for risk of squamous cell carcinoma of the head and neck (SCCHN), we conducted a two-phase genome-wide association study consisting of 7,858,089 SNPs in 2,171 cases and 4,493 controls of non-Hispanic white, of which, 434,839 ty ...
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Journal articleCancer Epidemiol Biomarkers Prev · June 2020
BACKGROUND: Several oncogenic signals are involved in the synthesis, metabolism, transportation, and modulation of cholesterol. However, the roles of genetic variants of the cholesterol pathway genes in cancer survival remain unclear. METHODS: We investiga ...
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Journal articleTransl Lung Cancer Res · June 2020
BACKGROUND: Both antibody-dependent cellular cytotoxicity and phagocytosis activate innate immunity, and the Fc gamma receptor (FCGR)-mediated phagocytosis is an integral part of the process. We assessed associations between single-nucleotide polymorphisms ...
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Journal articleAnn Transl Med · April 2020
BACKGROUND: Although microsatellite instability (MSI) is a powerful predictive biomarker for the efficacy of immunotherapy, the mechanism of MSI in sporadic gastrointestinal cancer is not fully understood. However, epigenetics, particularly microRNAs, has ...
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Journal articleCancers (Basel) · January 24, 2020
Because aberrant glycosylation is known to play a role in the progression of melanoma, we hypothesize that genetic variants of glycosylation pathway genes are associated with the survival of cutaneous melanoma (CM) patients. To test this hypothesis, we use ...
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Journal articleBone · January 2020
Osteosarcoma, a malignant primary bone tumor most commonly diagnosed in children and adolescents, has a poorly understood genetic etiology. Genome-wide association studies (GWAS) and candidate-gene analyses have identified putative risk variants in subject ...
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Journal articleFront Oncol · 2020
Background: Seventeen loci have been found to be associated with bladder cancer risk by genome-wide association studies (GWAS) in European population. However, little is known about contribution of low-frequency and rare variants to bladder cancer suscepti ...
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Journal articleAm J Cancer Res · 2020
Immunoregulatory interactions play a pivotal role in immune surveillance, recognition, and killing, particularly its internal pathway, likely playing an important role in immune escape. By using two genotyping datasets, one from the Prostate, Lung, Colorec ...
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Journal articleAm J Cancer Res · 2020
Vitamin D has a potential anticarcinogenic role, possibly through regulation of cell proliferation and differentiation, stimulation of apoptosis, immune modulation and regulation of estrogen receptor levels. Because breast cancer (BC) risk varies among ind ...
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Journal articleAm J Cancer Res · 2020
The ATM serine/threonine kinase (ATM) pathway plays important roles in pancreatic cancer (PanC) development and progression, but the roles of genetic variants of the genes in this pathway in the etiology of PanC are unknown. In the present study, we assess ...
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Journal articleAm J Cancer Res · 2020
Although lymphangiogenesis is a vital step in lung cancer metastasis, the association between lymphangiogenesis and non-small cell lung cancer (NSCLC) survival remains unclear. Since single-nucleotide polymorphisms (SNPs) have been reported to predict NSCL ...
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Journal articleAm J Cancer Res · 2020
The nod-like receptor protein 3 (NLRP3) is one of the most characterized inflammasomes, and its genetic variation and functional dysregulation are involved in pathogenesis of several cancers. To systematically evaluate the role of NLRP3 in predicting outco ...
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Journal articleJ Cancer · 2020
Chemotherapy resistance remains a blockade for successful treatment and longer overall survival of patients with epithelial ovarian cancer (EOC). CTNNBIP1 is an inhibitor of β-catenin that is a chemotherapeutic target for EOC treatment. In the present stud ...
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Journal articleAm J Cancer Res · 2020
Endosomes regulate cell polarity, adhesion, signaling, immunity, and tumor progression, which may influence cancer outcomes. Here we evaluated associations between 36,068 genetic variants of 228 endosome-related pathway genes and cutaneous melanoma disease ...
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Journal articleMol Carcinog · December 2019
As mouse double minute 4 (MDM4) and HPV16 E6 oncoproteins play important roles in inhibition of p53 activity, a functional polymorphism (rs4245739) in the 3' untranslated regions of MDM4 targeted by microRNA-191 may alter its expression level or functional ...
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Journal articleInt J Cancer · November 15, 2019
Fatty acids play a key role in cellular bioenergetics, membrane biosynthesis and intracellular signaling processes and thus may be involved in cancer development and progression. In the present study, we comprehensively assessed associations of 14,522 comm ...
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Journal articleJ Invest Dermatol · November 2019
To investigate the role of tumor cytokines/chemokines in melanoma immune response, we estimated the proportions of immune cell subsets in melanoma tumors from The Cancer Genome Atlas, followed by evaluation of the association between cytokine/chemokine exp ...
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Journal articleMol Carcinog · November 2019
Glutamine dependence is a unique metabolic defect seen in cutaneous melanoma (CM), directly influencing the treatment and prognosis. Here, we investigated the associations between 6025 common single-nucleotide polymorphisms (SNPs) in 77 glutamine metabolic ...
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Journal articleCarcinogenesis · October 16, 2019
To date, the 5-year overall survival of epithelial ovarian cancer (EOC) remains poor. Because studies suggest that RUVBL1 may be a chemotherapeutic target for the treatment of cancer, in this study, therefore, we investigated the role of potentially functi ...
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Journal articleLancet Respir Med · October 2019
BACKGROUND: Genetic variation has an important role in the development of non-small-cell lung cancer (NSCLC). However, genetic factors for lung cancer have not been fully identified, especially in Chinese populations, which limits the use of existing polyg ...
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Journal articleInt J Cancer · September 1, 2019
A recent hypothesis-free pathway-level analysis of genome-wide association study (GWAS) datasets suggested that the overall genetic variation measured by single nucleotide polymorphisms (SNPs) in the nucleotide excision repair (NER) pathway genes was assoc ...
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Journal articleInt J Cancer · August 1, 2019
Abnormal methionine dependence in cancer cells has led to methionine restriction as a potential therapeutic strategy. We hypothesized that genetic variants involved in methionine-metabolic genes are associated with survival in nonsmall cell lung cancer (NS ...
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Journal articleMol Carcinog · August 2019
The liver kinase B1-AMP-activated protein kinase (LKB1-AMPK) pathway has been identified as a new target for cancer therapy, because it controls the glucose and lipid metabolism in response to alterations in nutrients and intracellular energy levels. In th ...
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Journal articleCarcinogenesis · July 6, 2019
Because lymphocyte telomere length (LTL) plays critical roles in the maintenance of genomic stability and integrity, LTL thus may influence the etiology and prognosis of squamous cell carcinoma of the oropharynx (SCCOP). However, given the association betw ...
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Journal articleMol Carcinog · July 2019
The tumor necrosis factor (TNF)/TNF receptor (TNFR) pathway is known to influence survival of patients with cancer. We hypothesize that single nucleotide polymorphisms (SNPs) in the TNF/TNFR pathway genes related to apoptosis are associated with survival o ...
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Journal articleCarcinogenesis · June 10, 2019
The AURORA pathway participates in mitosis and cell division, and alterations in mitosis and cell division can lead to carcinogenesis. Therefore, genetic variants in the AURORA pathway genes may be associated with susceptibility to pancreatic cancer. To te ...
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Journal articleCancer Sci · June 2019
Pancreatic cancer (PanC) is one of the most lethal solid malignancies, and metastatic PanC is often present at the time of diagnosis. Although several high- and low-penetrance genes have been implicated in PanC, their roles in carcinogenesis remain only pa ...
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Journal articleGynecol Oncol · May 2019
OBJECTIVE: Genome-wide association studies (GWASs) for epithelial ovarian cancer (EOC) have focused largely on populations of European ancestry. We aimed to identify common germline variants associated with EOC risk in Asian women. METHODS: Genotyping was ...
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Journal articleCarcinogenesis · April 29, 2019
Remodeling or deregulation of the calcium signaling pathway is a relevant hallmark of cancer including cutaneous melanoma (CM). In this study, using data from a published genome-wide association study (GWAS) from The University of Texas M.D. Anderson Cance ...
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Journal articleInt J Cancer · April 15, 2019
The complement system plays an important role in the innate and adaptive immunity, complement components mediate tumor cytolysis of antibody-based immunotherapy, and complement activation in the tumor microenvironment may promote tumor progression or inhib ...
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Journal articleInt J Cancer · January 15, 2019
We previously reported that some single nucleotide polymorphisms (SNPs) of candidate genes involved in the MTOR complex1 (MTORC1) were associated with risk of gastric cancer (GCa). In the present study, we further evaluated associations of eight potentiall ...
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Journal articleInt J Cancer · November 15, 2018
The toll-like receptor (TLR) signaling pathway plays an important role in the innate immune responses and antigen-specific acquired immunity. Aberrant activation of the TLR pathway has a significant impact on carcinogenesis or tumor progression. Therefore, ...
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Journal articleMol Carcinog · November 2018
The benefits of platinum-based chemotherapy (PBC) on survival of esophageal squamous cell carcinoma (ESCC) patients are inexplicit due to the varied therapeutic effects. Nucleotide excision repair (NER) pathway plays a vital role in removing platinum-DNA a ...
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Journal articleJ Cell Mol Med · October 2018
To identify genetic variants in Notch signalling pathway genes that may predict survival of Han Chinese patients with epithelial ovarian cancer (EOC), we analysed a total of 1273 single nucleotide polymorphisms (SNPs) within 75 Notch genes in 480 patients ...
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Journal articleInt J Cancer · September 15, 2018
TGF-β1rs1982073 polymorphism at the miRNA-187 binding site may alter TGF-β1 expression and function, and thereby this polymorphism (genotype CT/CC) increases cancer susceptibility. HPV16 L1 seropositivity is associated with the risk of oral squamous cell c ...
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Journal articleCancer · September 15, 2018
BACKGROUND: Although increased height has been associated with osteosarcoma risk in previous epidemiologic studies, to the authors' knowledge the relative contribution of stature during different developmental timepoints remains unclear. Furthermore, the q ...
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Journal articleCarcinogenesis · July 3, 2018
Prostate cancer (PCa) is a clinically and molecularly heterogeneous disease, with variation in outcomes only partially predicted by grade and stage. Additional tools to distinguish indolent from aggressive disease are needed. Phenotypic characteristics of ...
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Journal articleInt J Cancer · June 1, 2018
Cutaneous melanoma (CM) is considered as a steroid hormone-related malignancy. However, few studies have evaluated the roles of genetic variants encoding steroid hormone receptor genes and their related regulators (SHR-related genes) in CM-specific surviva ...
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Journal articleMol Carcinog · June 2018
Squamous cell carcinoma of head and neck (SCCHN) is one of the most common malignancies worldwide, and nucleotide excision repair (NER) is involved in SCCHN susceptibility. In this analysis of 349 newly diagnosed SCCHN patients and 295 cancer-free controls ...
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Journal articleChronic Dis Transl Med · June 2018
OBJECTIVE: The DNA repair capacity (DRC) of tumor cells is an important contributor to resistance to radiation and platinum-based drugs. Because DRC may be affected by tumor cell metabolism, we measured DRC in lymphocytes from patients with non-small-cell ...
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Journal articleJ Thorac Oncol · May 2018
INTRODUCTION: Autophagy not only plays an important role in the progression of cancer but is also involved in tissue inflammatory response. However, few published studies have investigated associations between functional genetic variants of autophagy-relat ...
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Journal articleClin Cancer Res · May 1, 2018
Purpose: TGFβ1 plays a critical role in inflammation and immune responses and treatment response and survival. TGFβ1 variants may affect its expression level or functional efficiency, thus modifying tumor status and survival in human papillomavirus (HPV)-p ...
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Journal articleInt J Cancer · April 1, 2018
The platelet-derived growth factor (PDGF) signaling pathway plays important roles in development and progression of human cancers. In our study, we aimed to identify genetic variants of the PDGF pathway genes associated with pancreatic cancer (PC) risk in ...
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Journal articleInt J Cancer · March 15, 2018
Platinum-based chemotherapy (PBC) in combination with the 3rd generation drugs is the first-line treatment for patients with advanced non-small cell lung cancer (NSCLC); however, the efficacy is severely hampered by grade 3-4 toxicities. Nucleotide excisio ...
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Journal articleMol Carcinog · March 2018
Given the crucial role of Mouse double minute 4 (MDM4) oncoprotein in p53 pathway, single nucleotide polymorphisms (SNPs) could serve as such biomarkers for prediction of SCCOP recurrence. Thus, we investigated associations between three tagging putatively ...
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Journal articleMol Carcinog · February 2018
The P38MAPK pathway participates in regulating cell cycle, inflammation, development, cell death, cell differentiation, and tumorigenesis. Genetic variants of some genes in the P38MAPK pathway are reportedly associated with lung cancer risk. To substantiat ...
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Journal articleMol Carcinog · January 2018
Metzincins are key molecules in the degradation of the extracellular matrix and play an important role in cellular processes such as cell migration, adhesion, and cell fusion of malignant tumors, including cutaneous melanoma (CM). We hypothesized that gene ...
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Journal articleCell Physiol Biochem · 2018
BACKGROUND/AIMS: Prognostic value of germline BRCA1 or BRCA2 (gBRCA1/2) mutations in epithelial ovarian cancer (EOC) remains controversial, especially in the estimation of long-term survival. We previously reported the largest study of gBRCA1/2 mutation pr ...
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Journal articleCancer · December 15, 2017
BACKGROUND: Because of the current epidemic of human papillomavirus (HPV)-related oropharyngeal cancer (OPC), a screening strategy is urgently needed. The presence of serum antibodies to HPV-16 early (E) antigens is associated with an increased risk for OP ...
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Journal articleCarcinogenesis · December 7, 2017
Recent studies indicate that abnormal levels of low-density lipoprotein (LDL), which is an important component of dyslipidaemia, are associated with alterations to cancer risk, including that of renal cell carcinoma (RCC). Single nucleotide polymorphisms a ...
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Journal articleMol Carcinog · December 2017
DNA repair protects genomic integrity and may modulate chemotherapy efficacy. Few large-scale studies have evaluated predictive roles of genetic variants of DNA repair genes in survival of Chinese gastric cancer (GCa) patients treated with chemotherapy. He ...
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Journal articleInt J Cancer · October 1, 2017
The incidence of squamous cell carcinoma of the oropharynx (SCCOP) continues to rise because of increasing rates of human papillomavirus (HPV) infection. Inherited polymorphisms in DNA repair pathways may influence the risk of SCCOP development and the pro ...
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Journal articleOncotarget · September 26, 2017
To investigate whether genetic variants of platelet-derived growth factor (PDGF) signaling pathway genes are associated with survival of cutaneous melanoma (CM) patients, we assessed associations of single-nucleotide polymorphisms in PDGF pathway with mela ...
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Journal articleSci Rep · September 6, 2017
Nucleotide excision repair (NER) plays a vital role in platinum-induced DNA damage during chemotherapy. We hypothesize that regulatory single nucleotide polymorphisms (rSNPs) of the core NER genes modulate clinical outcome of patients with advanced non-sma ...
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Journal articleInt J Cancer · August 15, 2017
Evidence suggests that cells with a stemness phenotype play a pivotal role in oncogenesis, and prostate cells exhibiting this phenotype have been identified. We used two genome-wide association study (GWAS) datasets of African descendants, from the Multiet ...
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Journal articleInt J Cancer · August 15, 2017
Rho GTPases control cell division, motility, adhesion, vesicular trafficking and phagocytosis, which may affect progression and/or prognosis of cancers. Here, we investigated associations between genetic variants of Rho GTPases-related genes and cutaneous ...
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Journal articleJ Invest Dermatol · August 2017
Cutaneous melanoma (CM) is the most lethal skin cancer. The Wnt pathway has an impact on development, invasion, and metastasis of CM, thus likely affecting CM prognosis. Using data from a published genome-wide association study from The University of Texas ...
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Journal articleMutat Res · August 2017
The rise of advanced technologies for characterizing human populations at the molecular level, from sequence to function, is shifting disease prevention paradigms toward personalized strategies. Because minimization of adverse outcomes is a key driver for ...
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Journal articleMol Carcinog · June 2017
The fatty acids (FAs) metabolism is suggested to play a pivotal role in the development of lung cancer, and we explored that by conducting a pathway-based analysis. We performed a meta-analysis of published datasets of six genome wide association studies ( ...
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Journal articleInt J Cancer · May 1, 2017
BRCA1/2 are cancer predisposition genes involved in hereditary breast and ovarian cancer (HBOC). Mutation carriers display an increased sensitivity to inhibitors of poly(ADP-ribose) polymerase (PARP). Despite a number of small-size hospital-based studies b ...
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Journal articleCarcinogenesis · May 1, 2017
Nucleotide excision repair (NER) plays a critical role in the development of smoking-related cancers. We hypothesize that mRNA expression levels of NER genes are associated with risk of the squamous cell carcinoma of head and neck (SCCHN). To test this hyp ...
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Journal articleCarcinogenesis · May 1, 2017
Cullin-RING ubiquitin ligases (CRLs) responsible for substrate specificity of ubiquitination play a key role in cell-cycle control and DNA damage response. In this study, we assessed associations between 16 599 SNPs in 115 CRL genes and lung cancer risk by ...
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Journal articleOncotarget · April 11, 2017
Genetic variants of nucleotide excision repair (NER) genes have been extensively investigated for their roles in the development of prostate cancer (PCa); however, the published results have been inconsistent. In a hospital-based case-control study of 1,00 ...
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Journal articleSci Rep · April 11, 2017
The T-cell protein tyrosine phosphatase (TCPTP) pathway consists of signaling events mediated by TCPTP. Mutations and genetic variants of some genes in the TCPTP pathway are associated with lung cancer risk and survival. In the present study, we first inve ...
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Journal articleMol Carcinog · April 2017
Because E2F transcription factor 2 (E2F2) promoter polymorphisms have been implicated in carcinogenesis and prognosis, we investigated associations between genetic variants in five E2F2 promoter polymorphisms and recurrence risk of squamous cell carcinoma ...
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Journal articleCarcinogenesis · April 1, 2017
Genetic polymorphisms at miRNA-binding sites may affect miRNA-mediated gene regulation. Thus, miRNA-binding site polymorphisms in double-strand break (DSB) repair genes may affect DNA repair capacity, which in turn could affect cancer prognosis. To determi ...
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Journal articleOncotarget · March 21, 2017
MDM4 is a p53-interacting protein and plays an important role in carcinogenesis. In this study of 1,077 gastric cancer (GCa) cases and 1,173 matched cancer-free controls, we investigated associations between three tagging single nucleotide polymorphisms (S ...
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Journal articleSci Rep · March 17, 2017
mRNA splicing is an important mechanism to regulate mRNA expression. Abnormal regulation of this process may lead to lung cancer. Here, we investigated the associations of 11,966 single-nucleotide polymorphisms (SNPs) in 206 mRNA splicing-related genes wit ...
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Journal articleInt J Cancer · March 15, 2017
To identify genetic variants involved in prognosis of cutaneous melanoma (CM), we investigated associations of single nucleotide polymorphisms (SNPs) of genes in the integrin signaling pathway with CM survival by re-analyzing a published genome-wide associ ...
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Journal articleOncotarget · March 14, 2017
Literature suggests that genetic variants associated with increased susceptibility to gastric cancer (GCa) are mostly located in genes involved in carcinogenesis and possibly tumor progression. Therefore, we hypothesize that high genetic susceptibility is ...
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Journal articleOncotarget · March 14, 2017
Genome-wide association studies have identified 21 susceptibility loci associated with melanoma. These loci implicate genes affecting pigmentation, nevus count, telomere maintenance, and DNA repair in melanoma risk. Here, we report the results of a two-sta ...
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Journal articleMol Carcinog · March 2017
Human papillomavirus (HPV) activates E2F1-driven transcription via the E7-RB1-E2F pathway. Genetic polymorphisms in the 3' untranslated region (UTR) targeted by miRNAs can affect the regulation of target genes and individual cancer risk. Thus, we hypothesi ...
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Journal articleInt J Cancer · February 15, 2017
The JNK and p38α pathways play an important role in carcinogenesis. Therefore, we hypothesize that single nucleotide polymorphisms (SNPs) of genes involved in these pathways are associated with risk of lung cancer. We first selected and genotyped 11 indepe ...
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Journal articleEur J Cancer · February 2017
BACKGROUND: Tobacco smoke and alcohol drinking are the major risk factors for squamous cell carcinoma of the head and neck (SCCHN). Smoking and drinking cause DNA damage leading to apoptosis, and insufficient apoptotic capacity may favour development of ca ...
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Journal articleSci Rep · January 3, 2017
Functional mouse double minute-2 (MDM2) promoter variants may alter MDM2 expression and thus affect radiotherapy response and prognosis of squamous cell carcinoma of oropharynx (SCCOP). Thus we assessed association of 2 functional MDM2 promoter variants wi ...
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Journal articleInt J Cancer · December 15, 2016
The Piwi-piRNA pathway is important for germ cell maintenance, genome integrity, DNA methylation and retrotransposon control and thus may be involved in cancer development. In this study, we comprehensively analyzed prognostic roles of 3,116 common SNPs in ...
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Journal articleOncotarget · December 13, 2016
Interleukin-17 plays a crucial role in inflammation-related carcinogenesis. We hypothesize that genetic variants in IL-17 are associated with gastric cancer (GCa) risk, and we genotyped five potentially functional single nucleotide polymorphisms (SNPs) (rs ...
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Journal articleTransl Oncol · December 2016
The JNK and P38α pathways play an important role in the sensitivity and outcomes of chemotherapy. We hypothesize that functional single nucleotide polymorphisms (SNPs) of genes of these pathways modulate outcomes of patients with advanced non-small cell lu ...
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Journal articleAm J Epidemiol · November 15, 2016
Previous studies on smokeless tobacco use and head and neck cancer (HNC) have found inconsistent and often imprecise estimates, with limited control for cigarette smoking. Using pooled data from 11 US case-control studies (1981-2006) of oral, pharyngeal, a ...
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Journal articleInt J Cancer · November 1, 2016
Breslow thickness (BT) is a major prognostic factor of cutaneous melanoma (CM), the most fatal skin cancer. The genetic component of BT has only been explored by candidate gene studies with inconsistent results. Our objective was to uncover the genetic fac ...
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Journal articleCarcinogenesis · November 1, 2016
Given roles of HPV and genetic factors in cancer risk, we evaluated associations of HPV16 seropositivity and five E2F2 promoter variants with squamous cell carcinoma of oropharynx (SCCOP) and squamous cell carcinoma of oral cavity (SCCOC) risk in a case-co ...
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Journal articleSci Rep · October 7, 2016
Lung cancer etiology is multifactorial, and growing evidence has indicated that long non-coding RNAs (lncRNAs) are important players in lung carcinogenesis. We performed a large-scale meta-analysis of 690,564 SNPs in 15,531 autosomal lncRNAs by using datas ...
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Journal articleOncotarget · September 20, 2016
The Notch signaling pathway has been shown to have biological significance and therapeutic application in non-small cell lung cancer (NSCLC). We hypothesize that genetic variants of genes in the Notch signaling pathway are associated with overall survival ...
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Journal articleCarcinogenesis · September 2016
DNA repair pathways maintain genomic integrity and stability, and dysfunction of DNA repair leads to cancer. We hypothesize that functional genetic variants in DNA repair genes are associated with risk of lung cancer. We performed a large-scale meta-analys ...
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Journal articleOncotarget · July 26, 2016
Several studies have reported that cigarette smoking is inversely associated with the risk of melanoma. This study further tested whether incorporating genetic factors will provide another level of evaluation of mechanisms underlying the association betwee ...
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Journal articleClin Lung Cancer · July 2016
BACKGROUND: The immune system has important roles in tumor development and outcomes after cancer treatment. We evaluated whether single-nucleotide polymorphisms (SNPs) in the gene encoding casitas B-lineage lymphoma b protein (Cbl-b), an E3 ubiquitin ligas ...
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Journal articleOncotarget · June 7, 2016
IL-1a, an important regulator of immune and inflammation responses, has been implicated in cancer development and prognosis. An insertion (Ins)/deletion (Del) polymorphism (IL-1a rs3783553) in the 3' UTR of IL-1a may disrupt a binding site for miRNA-122 an ...
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Journal articleOncotarget · June 7, 2016
Common single nucleotide polymorphisms (SNPs) in miRNAs may affect miRNA functions and their target expression and thus may affect biological activities and cancer etiology as well as prognosis. Thus, we determined whether the 9 SNPs in microRNAs modify th ...
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Journal articleTumour Biol · June 2016
DNA double-strand breaks (DSBs) are one of the most serious forms of DNA damage to the cell, causing genomic instability and ultimately carcinogenesis. In this study, we hypothesized that single nucleotide polymorphisms (SNPs) at the micro RNA (miRNA)-bind ...
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Journal articleInt J Cancer · June 1, 2016
Cell membrane transporters and metabolic enzymes play a crucial role in the transportation of a wide variety of substrates that maintain homeostasis in biological processes. We explored associations between genetic variants in these genes and survival of n ...
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Journal articleInt J Epidemiol · June 2016
BACKGROUND: Cigarette smoking is a major risk factor for head and neck cancer (HNC). To our knowledge, low cigarette smoking (<10 cigarettes per day) has not been extensively investigated in fine categories or among never alcohol drinkers. METHODS: We cond ...
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Journal articleJ Transl Med · May 31, 2016
BACKGROUND: Adjuvant chemotherapy in patients with resected esophageal squamous cell cancer (ESCC) remains controversial for its uncertain role in improving overall survival (OS). Nucleotide excision repair (NER) removes DNA-adducts in tumor cells induced ...
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Journal articleJ Clin Oncol · May 20, 2016
PURPOSE: To evaluate for an association between 25-hydroxyvitamin D levels (vitamin D) and outcome measures in patients with melanoma after evaluation is controlled for systemic inflammatory response (SIR) on the basis of simultaneous C-reactive protein (C ...
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Journal articleOncotarget · May 10, 2016
The interleukin-6 (IL-6)/JAK/STAT3 signaling pathway plays a central role in inflammation-mediated cancers, including gastric cancer (GCa). We evaluated associations between 10 potentially functional single nucleotide polymorphisms (SNPs) of four essential ...
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Journal articleOncotarget · May 3, 2016
The JNK and P38α pathways play a crucial role in tissue homeostasis, apoptosis and autophagy under genotoxic stresses, but it is unclear whether single nucleotide polymorphisms (SNPs) of genes in these pathways play a role in platinum-based chemotherapy-in ...
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Journal articleOncotarget · May 3, 2016
Functional polymorphisms of miRNAs may affect the function and target expression of miRNAs, which can, in turn, affect the biological activity, etiology, and prognosis of cancer. We hypothesized that four common polymorphisms in pre-miRNAs (hsa-mir-146a rs ...
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Journal articleOral Oncol · May 2016
OBJECTIVE: Human papillomavirus (HPV) is a causal and prognostic factor for oropharyngeal cancer, but its role in squamous cell carcinoma of the oral cavity (SCCOC) is unclear. We sought to clarify HPV's role in SCCOC. MATERIALS AND METHODS: Patients with ...
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Journal articleMelanoma Res · April 2016
Mutagen sensitivity assay, which measures the enhanced cellular response to DNA damage induced in vitro by mutagens/carcinogens, has been used in the study of cancer susceptibility. 4-Nitroquinoline-1-oxide (4-NQO), an ultraviolet (UV) radiation-mimetic ch ...
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Journal articleTumour Biol · April 2016
Esophageal squamous cell carcinoma (ESCC) is the dominant type of esophageal cancer in the East Asian population. MicroRNAs (miRNAs) have been studied to play important roles in tumorigenesis. Single nucleotide polymorphisms (SNPs) in miRNA lead to the abe ...
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Journal articleJ Cell Mol Med · April 2016
Ethnic Han Chinese are at high risk of developing oesophageal squamous cell carcinoma (ESCC). Aberrant activation of the AKT signalling pathway is involved in many cancers, including ESCC. Some single nucleotide polymorphisms (SNPs) in genes involved in th ...
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Journal articleDNA Repair (Amst) · April 2016
Tobacco smoke and alcohol use play important roles in the etiology of squamous cell carcinoma of the head and neck (SCCHN). Smoking causes DNA damage, including double-strand DNA breaks (DSBs), that leads to carcinogenesis. To test the hypothesis that subo ...
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Journal articleOncotarget · March 29, 2016
Published data on the association between the MUC1 rs4072037A > G polymorphism and gastric cancer (GCa) risk were inconclusive. To derive a more precise estimation of the association, we conducted a large GCa study of 1,124 cases and 1,192 controls to conf ...
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Journal articlePigment Cell Melanoma Res · March 2016
Single nucleotide polymorphisms (SNPs) in the vitamin D pathway genes have been implicated in cutaneous melanoma (CM) risk, but their role in CM disease-specific survival (DSS) remains obscure. We comprehensively analyzed the prognostic roles of 2669 commo ...
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Journal articleCarcinogenesis · March 2016
Centrosome abnormalities are often observed in premalignant lesions and in situ tumors and have been associated with aneuploidy and tumor development. We investigated the associations of 9354 single-nucleotide polymorphisms (SNPs) in 106 centrosomal genes ...
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Journal articleOncotarget · February 23, 2016
The prostate stem cell antigen (PSCA) gene, which encodes a prostate-specific antigen (PSA), was identified as a gene involved in cell adhesion and proliferation. The associations between the PSCA rs2294008 and rs2976392 single nucleotide polymorphisms (SN ...
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Journal articleBMC Cancer · February 8, 2016
BACKGROUND: FAS/FASL promoter variants are considered in altering transcriptional activity of those genes and consequently alter regulation of cell death. However, no studies have investigated whether tumor sites contribute to the association between FAS/F ...
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Journal articleSci Rep · January 28, 2016
AKT is an important signal transduction protein that plays a crucial role in cancer development. Therefore, we evaluated associations between single nucleotide polymorphisms (SNPs) in the AKT promoter region and gastric cancer (GCa) risk in a case-control ...
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Journal articleBioinformatics · January 1, 2016
MOTIVATION: Technological advances that allow routine identification of high-dimensional risk factors have led to high demand for statistical techniques that enable full utilization of these rich sources of information for genetics studies. Variable select ...
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Journal articleJ Neurooncol · January 2016
Accumulative epidemiological evidence suggests that single nucleotide polymorphisms (SNPs) in genes involved in homologous recombination (HR) DNA repair pathway play an important role in glioma susceptibility. However, the effects of such SNPs on glioma ri ...
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Journal articleOncotarget · December 15, 2015
Published data on the association between PRKAA1 rs13361707 T > C polymorphism and gastric cancer (GCa) susceptibility were inconclusive. To derive a more precise estimation of the association, we conducted a large-scale GCa study of 1,124 cases and 1,194 ...
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Journal articleProstate Cancer Prostatic Dis · December 2015
BACKGROUND: Telomere-related genes play an important role in carcinogenesis and progression of prostate cancer (PCa). It is not fully understood whether genetic variations in telomere-related genes are associated with development and progression in PCa pat ...
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Journal articleInt J Cancer · November 15, 2015
Single nucleotide polymorphisms (SNPs) in the promoter region of FAS and FASLG may alter their transcriptional activity. Thus, we determined the associations between four FAS and FASLG promoter variants (FAS1377G>A, rs2234767; 670A>G, rs1800682; FASLG844T> ...
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Journal articlePharmacogenet Genomics · November 2015
BACKGROUND AND AIM: Genetic variants in the mammalian target of rapamycin (mTOR) gene have become an interesting topic for the study of genetic susceptibility to cancer, but their associations with the risk of gastric cancer have not been fully investigate ...
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Journal articleMedicine (Baltimore) · November 2015
Acute toxicity is the main dose-limiting factor in the chemoradiotherapy of rectal cancer patients and depends on several pro-inflammatory factors, including interleukin-1 (IL-1), IL-6, and tumor necrosis factor-alpha (TNF-α). It is unknown whether genetic ...
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Journal articleTumour Biol · November 2015
Esophageal cancer is one of the most aggressive cancers in the world, 70% of which are from China and esophageal squamous cell carcinoma (ESCC) is the major histopathological form (>90%). The single nucleotide polymorphisms (SNPs) in mature sequence of mic ...
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Journal articleSci Rep · October 27, 2015
Lung squamous cell carcinoma (SQCC) accounts for about 30% of all lung cancer cases. Understanding of mutational landscape for this subtype of lung cancer in Chinese patients is currently limited. We performed whole exome sequencing in samples from 100 pat ...
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Journal articleInt J Cancer · October 15, 2015
Genome-wide association studies (GWASs) have characterized 13 loci associated with melanoma, which only account for a small part of melanoma risk. To identify new genes with too small an effect to be detected individually but which collectively influence m ...
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Journal articleCancer · October 1, 2015
BACKGROUND: Circulating Epstein-Barr virus DNA is a predictor of disease recurrence in patients with nasopharyngeal carcinoma. Circulating human papillomavirus (HPV) DNA has been detected in the sera of some patients with HPV-positive squamous cell carcino ...
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Journal articleInt J Cancer · October 1, 2015
The early detection of hepatocellular carcinoma (HCC) presents a challenge because of the lack of specific biomarkers. Serum/plasma microRNAs (miRNAs) can discriminate HCC patients from controls. We aimed to identify and evaluate HCC-associated plasma miRN ...
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Journal articleMol Carcinog · September 2015
Thymidylate synthase (TYMS) plays a crucial role in folate metabolism as well as DNA synthesis and repair. We hypothesized that functional polymorphisms in the 3' UTR of TYMS are associated with gastric cancer risk and survival. In the present study, we te ...
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Journal articleClin Lung Cancer · September 2015
INTRODUCTION: Platinum agents can cause the formation of DNA adducts and induce apoptosis to eliminate tumor cells. The aim of the present study was to investigate the influence of genetic variants of MDM2 on chemotherapy-related toxicities and clinical ou ...
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Journal articleJ Invest Dermatol · September 2015
Recent investigation has identified association of IL-12p40 blood levels with melanoma recurrence and patient survival. No studies have investigated associations of single-nucleotide polymorphisms (SNPs) with melanoma patient IL-12p40 blood levels or their ...
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Journal articleTumour Biol · September 2015
The kinesin-like factor 1 B (KIF1B) gene plays an important role in the process of apoptosis and the transformation and progression of malignant cells. Genetic variations in KIF1B may contribute to risk of epithelial ovarian cancer (EOC). In this study of ...
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Journal articleOral Oncol · September 2015
OBJECTIVES: Patients with oropharyngeal cancer (OPC) have distinct risk factor profiles reflected in the human papillomavirus (HPV) status of their tumor, and these profiles may also be influenced by factors related to socioeconomic status (SES). The goal ...
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Journal articleMol Carcinog · August 2015
The atypical protein kinase C (aPKCι), encoded by the PRKCI gene, has been recently found to be a unique human oncoprotein, compared with some other diverse PKC isozymes. Genetic variations in PRKCI have also been reported to be associated with prostate ca ...
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Journal articleInt J Cancer · August 1, 2015
Cutaneous melanoma (CM) is the most lethal form of skin cancers. The Hippo pathway controls cell migration, development and sizes of the organs in diverse species, and deregulation of this pathway may affect CM progression and prognosis. Therefore, we hypo ...
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Journal articleCancer Epidemiol Biomarkers Prev · July 2015
BACKGROUND: The Notch signaling pathway is constitutively activated in human cutaneous melanoma to promote growth and aggressive metastatic potential of primary melanoma cells. Therefore, genetic variants in Notch pathway genes may affect the prognosis of ...
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Journal articleEur J Cancer · July 2015
BACKGROUND: Genetic polymorphisms in the 3' untranslated regions (3' UTRs) targeted by miRNAs alter the strength of miRNA binding in a manner that affects the behaviour of individual miRNAs. An insertion (Ins)/deletion (Del) polymorphism (rs3783553) in the ...
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Journal articleOral Oncol · July 2015
BACKGROUND: Antibodies (Abs) to the HPV16 proteome increase risk for HPV-associated OPC (HPVOPC). The goal of this study was to investigate the association of a panel of HPV16 Abs with risk for OPC as well as the association of these Abs with tumor HPV and ...
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Journal articleMol Carcinog · June 2015
CD133 is one of the most common stem cell markers, and functional single nucleotide polymorphisms (SNPs) of CD133 may modulate its gene functions and thus cancer risk and patient survival. We hypothesized that potentially functional CD133 SNPs are associat ...
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Journal articleCancer · May 15, 2015
BACKGROUND: Acne reflects hormone imbalance and is a key component of several systemic diseases. We hypothesized that diagnosis of acne as a teenager might predict subsequent risk of hormone-related cancers. METHODS: We followed 99,128 female nurses in the ...
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Journal articleJ Clin Oncol · April 20, 2015
PURPOSE: To investigate the association between blood levels of C-reactive protein (CRP) in patients with melanoma and overall survival (OS), melanoma-specific survival (MSS), and disease-free survival. PATIENTS AND METHODS: Two independent sets of plasma ...
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Journal articleInt J Cancer · April 15, 2015
Cytokines such as Interleukin (IL)-12p70 ("IL-12") and IL-23 can influence tumor progression. We tested the hypothesis that blood levels of IL-12p40, the common subunit of both cytokines, are associated with melanoma progression. Blood from 2,048 white mel ...
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Journal articleMol Carcinog · April 2015
Thymidylate synthase (TYMS) is involved in the folate metabolism and provision of nucleotides needed for DNA synthesis and repair. Thus, functional genetic variants in TYMS may alter cancer risk. In the study, we evaluated associations of three germline va ...
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Journal articleSci Rep · March 18, 2015
Polymorphisms in Caspase-7 (CASP7) may modulate the programmed cell death and thus contribute to cervical cancer risk. In this case-control study of 1,486 cervical cancer cases and 1,301 controls, we investigated associations between four potentially funct ...
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Journal articleInt J Cancer · March 1, 2015
Low socioeconomic status has been reported to be associated with head and neck cancer risk. However, previous studies have been too small to examine the associations by cancer subsite, age, sex, global region and calendar time and to explain the associatio ...
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Journal articleSci Rep · February 5, 2015
Single nucleotide polymorphisms (SNPs) in the PI3K/PTEN/AKT/mTOR signaling pathway may contribute to carcinogenesis. We genotyped five potentially functional PIK3R1 and mTOR SNPs in 1116 esophageal squamous cell cancer (ESCC) patients and 1117 cancer-free ...
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Journal articleJ Invest Dermatol · February 2015
Cutaneous melanoma (CM) is the most lethal skin cancer. The Fanconi anemia (FA) pathway involved in DNA crosslink repair may affect CM susceptibility and prognosis. Using data derived from published genome-wide association study, we comprehensively analyze ...
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Journal articleInt J Epidemiol · February 2015
BACKGROUND: Increasing incidence of head and neck cancer (HNC) in young adults has been reported. We aimed to compare the role of major risk factors and family history of cancer in HNC in young adults and older patients. METHODS: We pooled data from 25 cas ...
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Journal articleOnco Targets Ther · 2015
Plasminogen activator inhibitor type 1 (PAI-1) and protease-activated receptor-1 (PAR-1) are crucial mediators of the intestinal microenvironment and are involved in radiation-induced acute and chronic injury. To evaluate whether genetic polymorphisms of P ...
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Journal articleOncotarget · December 15, 2014
XRCC4 plays a crucial role in the non-homologous end joining pathway that maintains genome stability. In this two-stage case-control study with 1,764 non-BRCA1/2 breast cancer patients and 1,623 cancer-free controls, we investigated the contribution of gen ...
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Journal articleRadiother Oncol · December 2014
BACKGROUND AND PURPOSE: MicroRNAs (miRNAs) are small, highly conserved non-coding RNAs that regulate many biological processes. We sought to investigate whether three serum miRNAs related to immunity or inflammation were associated with esophagitis induced ...
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Journal articleCancer Epidemiol Biomarkers Prev · November 2014
BACKGROUND: MicroRNAs (miRNA) play important roles in the regulation of eukaryotic gene expression and are involved in human carcinogenesis. Single-nucleotide polymorphisms (SNP) in miRNA sequence may alter miRNA functions in gene regulation, which, in tur ...
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Journal articleNat Genet · October 2014
To identify genetic markers for laryngeal squamous cell carcinoma (LSCC), we conducted a genome-wide association study (GWAS) on 993 individuals with LSCC (cases) and 1,995 cancer-free controls from Chinese populations. The most promising variants (associa ...
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Journal articleInt J Cancer · October 1, 2014
Functional polymorphisms of tumor necrosis factor-alpha (TNF-α) may play a critical role in the regulation of immune and inflammatory responses and could affect transcriptional levels of the TNF-α gene and thus contribute to carcinogenesis and outcomes of ...
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Journal articleSci Rep · September 11, 2014
ERCC2 is indispensable for nucleotide excision repair pathway, and its functional polymorphisms may be associated with cancer risk. In a large case-control study of 1126 esophageal squamous cell carcinomas (ESCC) patients and 1131 controls, we genotyped tw ...
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Journal articleCarcinogenesis · September 2014
Functional genetic variants of DNA repair genes may alter the host DNA repair capacity, and thus influence efficiency of therapies. We genotyped eight potentially functional single nucleotide polymorphisms (SNPs) in genes (i.e. ERCC1, XPA, XPC, XPD and XPG ...
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Journal articleCarcinogenesis · September 2014
Although genetic studies have reported a number of loci associated with melanoma risk, the complex genetic architecture of the disease is not yet fully understood. We sought to identify common genetic variants associated with melanoma risk in a genome-wide ...
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Journal articleNat Commun · August 19, 2014
Ovarian cancer is the leading cause of death from gynaecological malignancies worldwide. Here we perform a three-stage genome-wide association study (GWAS) in Han Chinese women to identify risk genetic variants for epithelial ovarian cancer (EOC). We scan ...
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Journal articleEur J Cancer · July 2014
BACKGROUND: LIN28 is an RNA-binding protein that not only plays key roles in multiple cellular developmental processes and tumourigenesis, but also is involved in tissue inflammatory response. However, no published study has investigated associations betwe ...
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Journal articleHum Genet · May 2014
Epistasis, or gene-gene interaction, results from joint effects of genes on a trait; thus, the same alleles of one gene may display different genetic effects in different genetic backgrounds. In this study, we generalized the coding technique of a natural ...
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Journal articleInt J Cancer · April 15, 2014
The promoter variants of TNF-α, a major regulator of immune and inflammation responses, have been implicated in cancer development and prognosis. Thus, we investigated associations between four TNF-α promoter variants and risk of recurrence of squamous cel ...
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Journal articleEur J Cancer · February 2014
BACKGROUND: RASSF3 suppresses tumour formation through uncertain mechanisms, but it is an important gene of p53-dependent apoptosis. RASSF3 depletion impairs DNA repair after DNA damage, leading to polyploidy. The authors hypothesised that potential functi ...
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Journal articleBiochem Biophys Res Commun · January 24, 2014
The promoter of p53 induced gene 3 (PIG3) contains a variable number of tandem repeats (VNTRs) of pentanucleotides (TGYCC)n that is known as a p53 binding site. In this study, we investigated whether other potential molecules could bind to this PIG3 promot ...
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Journal articleJ Comput Assist Tomogr · 2014
BACKGROUND AND PURPOSE: Human papillomavirus (HPV)-positive oropharyngeal cancers represent a distinct clinical entity with more favorable prognosis than do HPV-negative oropharyngeal cancers. However, among patients with HPV-positive oropharyngeal carcino ...
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Journal articleAsian J Androl · 2014
Adiponectin secreted by adipose tissue has been implicated in prostate carcinogenesis. Genetic variations in ADIPOQ are thought to influence the activity of adiponectin, thus relating to cancer occurrence. In this hospital-based case-control study of 917 p ...
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Journal articleCancer Epidemiol Biomarkers Prev · January 2014
BACKGROUND: The incidence of oropharyngeal and oral tongue cancers has increased over the last 20 years which parallels increased use of marijuana among individuals born after 1950. METHODS: A pooled analysis was conducted comprising individual-level data ...
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Journal articleCarcinogenesis · January 2014
Since p14 (ARF) and human papillomavirus (HPV) 16 E6/E7 oncoproteins are important regulators participating in the p53/Rb pathways, genetic variations of p14 (ARF) may modify tumor HPV16 status and survival of HPV16-positive squamous cell carcinoma of the ...
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Journal articlePLoS One · 2014
UNLABELLED: MicroRNAs are a new class of small non-protein-coding RNAs that sometimes function as tumor suppressors or oncogenes. Aberrant expression and structural alteration of microRNAs have been reported to be involved in tumorigenesis and cancer devel ...
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Journal articleGenet Epidemiol · December 2013
Neuronal nicotinic acetylcholine receptor (nAChR) genes (CHRNA5/CHRNA3/CHRNB4) have been reproducibly associated with nicotine dependence, smoking behaviors, and lung cancer risk. Of the few reports that have focused on early smoking behaviors, association ...
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Journal articleCancer · December 1, 2013
BACKGROUND: To assess the association between single nucleotide polymorphisms (SNPs) of base-excision repair genes and clinical outcomes, the roles of genetic variants of 3 selected genes-flap structure-specific endonuclease 1 (FEN1), 8-hydroxyguanine DNA ...
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Journal articleMol Carcinog · November 2013
Mammalian target of rapamycin complex 1 (mTORC1) plays an important role in maintaining proper cellular functions, and genetic variations in this complex may affect cancer risk. In this study, we examined the associations between eight potential functional ...
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Journal articleNat Rev Clin Oncol · November 2013
Gastric cancer imposes a considerable health burden around the globe despite its declining incidence. The disease is often diagnosed in advanced stages and is associated with a poor prognosis for patients. An in-depth understanding of the molecular underpi ...
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Journal articleInt J Cancer · October 15, 2013
XPC polymorphisms may alter DNA repair capacity, thus leading to genetic instability and carcinogenesis. Numerous studies have investigated the associations of XPC Lys939Gln (rs2228001) and Ala499Val (rs2228000) polymorphisms with cancer susceptibility; ho ...
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Journal articleCancer Res · October 1, 2013
Sexual transmission of human papillomavirus (HPV), particularly HPV16, has been associated with an increasing incidence of oropharyngeal squamous cell carcinoma (OPC). Telomere shortening results in chromosomal instability, subsequently leading to cancer d ...
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Journal articleAJNR Am J Neuroradiol · October 2013
BACKGROUND AND PURPOSE: Human papillomavirus-positive oropharyngeal cancers typically have younger age of onset, limited tobacco exposure, and more favorable prognosis than HPV-negative oropharyngeal cancers. We assessed whether HPV-positive and HPV-negati ...
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Journal articleAm J Epidemiol · September 1, 2013
Cigar and pipe smoking are considered risk factors for head and neck cancers, but the magnitude of effect estimates for these products has been imprecisely estimated. By using pooled data from the International Head and Neck Cancer Epidemiology (INHANCE) C ...
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Journal articleInt J Cancer · August 1, 2013
Genetically determined capacity for NER may modulate both cancer risk and prognosis. Thus, we evaluated associations of seven selected variants in the NER core genes with recurrence risk in 658 squamous cell carcinoma of the oropharynx (SCCOP) patients tre ...
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Journal articleMol Cancer · July 19, 2013
BACKGROUND: Tumor necrosis factor alpha (TNF-α) plays an important role in inflammation, immunity, and defense against infection and clearance of human papillomavirus (HPV). Thus, genetic variants may modulate individual susceptibility to HPV-associated or ...
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Journal articleCancer · July 15, 2013
BACKGROUND: A recent review of the Surveillance, Epidemiology, and End Results registry suggested that patients with index squamous cell carcinoma (SCC) of the oropharynx (SCCOP) are less likely to develop second primary malignancies (SPM) than patients wi ...
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Journal articleHum Mol Genet · July 15, 2013
Aiming to identify novel genetic loci for pigmentation and skin cancer, we conducted a series of genome-wide association studies on hair color, eye color, number of sunburns, tanning ability and number of non-melanoma skin cancers (NMSCs) among 10 183 Euro ...
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Journal articleJ Cell Mol Med · July 2013
Recently, several studies have investigated the association between a newly reported rare functional single nucleotide polymorphism (SNP) in TP53 (rs78378222) and cancer risk, but generated inconsistent findings. The present study further investigated this ...
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Journal articleHum Genet · July 2013
Previous biological studies showed evidence of a genetic link between obesity and pigmentation in both animal models and humans. Our study investigated the individual and joint associations between obesity-related single nucleotide polymorphisms (SNPs) and ...
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Journal articleCarcinogenesis · July 2013
Because of their important roles in mediating the stabilization and expression of p53, we hypothesized that high-risk genotypes of polymorphisms in p53-related genes, including p53, p73, p14(ARF), MDM2 and MDM4, may be associated with an increased risk of ...
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Journal articleJ Invest Dermatol · July 2013
Melanoma is the most highly malignant skin cancer, and nucleotide excision repair (NER) is involved in melanoma susceptibility. In this analysis of 1,042 melanoma patients, we evaluated whether genetic variants of NER genes may predict survival outcome of ...
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Journal articleJ Thorac Oncol · June 2013
INTRODUCTION: Mammalian target of rapamycin complex 1 (mTORC1) is an evolutionary conserved multiprotein complex that functions as a key regulator of gene transcription, protein translation, and autophagy. No studies have assessed associations between func ...
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Journal articleMed Oncol · June 2013
DNA Polymerase ζ (Polζ), an error-prone DNA polymerase involved in translesion DNA synthesis, plays a significant role in the cytotoxicity, mutagenicity, and chemoresistance of several cancers. To evaluate the association of Polζ with chemoradiation resist ...
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Journal articleHead Neck · June 2013
BACKGROUND: Among patients with index oropharyngeal cancer, second primary malignancies (SPMs) may be less common in cases of human papillomavirus (HPV)-associated tumors than HPV-negative tumors. Further modification of these SPM risks by smoking has not ...
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Journal articleFASEB J · June 2013
Interleukin-10 (IL-10) plays an important role in a host's defense against human papillomavirus (HPV) infection. IL-10 promoter variants may affect its expression level or functional efficiency and, subsequently, susceptibility to and survival of HPV16-ass ...
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Journal articleCancer Epidemiol Biomarkers Prev · May 2013
BACKGROUND: Angiogenesis and lymphangiogenesis are important in the progression of melanoma. We investigated associations between genetic variants in these pathways with sentinel lymph node (SLN) metastasis and mortality in 2 independent series of patients ...
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Journal articlePigment Cell Melanoma Res · May 2013
To mine possibly hidden causal single-nucleotide polymorphisms (SNPs) of melanoma, we investigated the association of SNPs in 76Â M/G1 transition genes with melanoma risk using our published genome-wide association study (GWAS) data set with 1804 melanoma c ...
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Journal articlePigment Cell Melanoma Res · May 2013
In this study, we directly sequenced the Melanocortin 1 Receptor (MC1R) gene in 2,212 individuals to detect all variants and assessed their associations with cutaneous melanoma (CM) risk in a hospital-based study of 1,106 CM patients and 1,106 control subj ...
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Journal articleSurgery · May 2013
BACKGROUND: Murine double minute 2 (MDM2) oncoprotein and p14(ARF) tumor suppressor play pivotal roles in regulating p53 and function in the MAPK pathway, which is mutated frequently in differentiated thyroid carcinoma (DTC). We hypothesized that functiona ...
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Journal articleMol Biol Rep · May 2013
Steroid 5-α-reductase type 2 (SRD5A2) V89L and A49T polymorphisms are thought to play a crucial role in the androgen synthesis and metabolic pathway, but their associations with prostate cancer risk remain controversial. To provide a more precise estimatio ...
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Journal articleCancer Lett · April 28, 2013
To identify non-tumor biomarkers for prediction of tumor HPV status and prognosis of patients with squamous cell carcinoma of the oropharynx (SCCOP), we evaluated the association of single nucleotide polymorphisms (SNPs) in pre-miRNAs with HPV16 status and ...
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Journal articleInt J Radiat Oncol Biol Phys · April 1, 2013
PURPOSE: To date, no biomarkers have been found to predict, before treatment, which patients will develop radiation pneumonitis (RP), a potentially fatal toxicity, after chemoradiation for lung cancer. We investigated potential associations between single ...
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Journal articleNat Genet · April 2013
We report the results of an association study of melanoma that is based on the genome-wide imputation of the genotypes of 1,353 cases and 3,566 controls of European origin conducted by the GenoMEL consortium. This revealed an association between several SN ...
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Journal articleCarcinogenesis · April 2013
Tumor necrosis factor-α-induced protein 8 (TNFAIP8) is an anti apoptotic and pro-oncogenic signaling molecule involved in the process of immunity, carcinogenesis and tumor progression. Single nucleotide polymorphisms (SNPs) at microRNA-binding sites may ch ...
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Journal articleCarcinogenesis · April 2013
Genome-wide association studies (GWASs) have mainly focused on top significant single nucleotide polymorphisms (SNPs), most of which did not have clear biological functions but were just surrogates for unknown causal variants. Studying SNPs with modest ass ...
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Journal articleFASEB J · April 2013
Caspases are important regulators and executioners in the apoptosis pathways and play crucial roles in carcinogenesis. We tested the hypothesis that functional variants of CASP genes are associated with risk of squamous cell carcinoma of the head and neck ...
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Journal articleCarcinogenesis · April 2013
A polymorphic pentanucleotide microsatellite sequence (TGYCC)n within the p53-inducible gene 3 (PIG3) promoter is correlated with the extent of transcriptional activation by p53 and thought to modulate susceptibility to cancer. Using a PCR-silver staining- ...
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Journal articleInt J Radiat Oncol Biol Phys · March 15, 2013
PURPOSE: The ataxia telangiectasia mutated (ATM) gene mediates detection and repair of DNA damage. We investigated associations between ATM polymorphisms and severe radiation-induced pneumonitis (RP). METHODS AND MATERIALS: We genotyped 3 potentially funct ...
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Journal articleHum Genet · March 2013
Interleukin 6 (IL6) encodes a cytokine protein, which functions in inflammation, maintains immune homeostasis and plays important roles in cervical carcinogenesis. Single nucleotide polymorphisms (SNPs) in IL6 that cause variations in host immune response ...
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Journal articleInt J Radiat Oncol Biol Phys · February 1, 2013
PURPOSE: To determine the association between radiation doses delivered to the mandible and the occurrence of osteoradionecrosis (ORN). METHODS AND MATERIALS: We reviewed the records of 402 oropharyngeal cancer patients with stage T1 or T2 disease treated ...
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Journal articleBMC Cancer · January 15, 2013
BACKGROUND: MicroRNA (miRNA)-related single nucleotide polymorphisms (SNPs) may compromise miRNA binding affinity and modify mRNA expression levels of the target genes, thus leading to cancer susceptibility. However, few studies have investigated roles of ...
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Journal articleOncogene · January 10, 2013
REV3Lp, the catalytic subunit of DNA polymerase zeta, is the major participant in translesion DNA synthesis. Recent evidence suggests that REV3L has an important role in the maintenance of genome stability despite its mutagenic characteristics. Such a func ...
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Journal articleMol Cell · January 10, 2013
The production of pigment by melanocytes tans the skin and protects against skin cancers. UV-exposed keratinocytes secrete α-MSH, which then activates melanin formation in melanocytes by inducing the microphthalmia-associated transcription factor (MITF). W ...
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Journal articleCancer Res · January 1, 2013
Suboptimal cellular DNA repair capacity (DRC) has been shown to be associated with enhanced cancer risk, but genetic variants affecting the DRC phenotype have not been comprehensively investigated. In this study, with the available DRC phenotype data, we a ...
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Journal articleInt J Radiat Oncol Biol Phys · January 1, 2013
PURPOSE: To determine whether single-nucleotide polymorphisms (SNPs) in genes associated with DNA repair, cell cycle, transforming growth factor-β, tumor necrosis factor and receptor, folic acid metabolism, and angiogenesis can significantly improve the fi ...
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Journal articlePLoS One · 2013
PURPOSE: Transforming growth factor (TGF) -β1 signaling is involved in cancer-cell metastasis. We investigated whether single nucleotide polymorphisms (SNPs) at TGFβ1 were associated with overall survival (OS) and distant metastasis-free survival (DMFS) in ...
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Journal articlePLoS One · 2013
BACKGROUND: Both microRNAs and human papillomavirus (HPV) infection play an important role in the development and progression of oral squamous cell carcinoma (OSCC). In addition, microRNAs affect all facets of the immune/inflammation responses to infection ...
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Journal articlePLoS One · 2013
PURPOSE: ERCC1 and ERCC2 play critical roles in the nucleotide excision repair pathway that effectively repairs DNA damage induced by chemotherapeutic agents. Therefore, functional single nucleotide polymorphisms (SNPs) in these genes could have an impact ...
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Journal articlePLoS One · 2013
BACKGROUND: Caspase 7 (CASP7) is an important regulator and executioner in the apoptosis pathway and plays a crucial role in cancer development and progression. However, few studies have evaluated associations between functional single nucleotide polymorph ...
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Journal articlePLoS One · 2013
BACKGROUND: Numerous epidemiological studies have examined associations of genetic variations in LEP (G2548A, -2548 nucleotide upstream of the ATG start site) and LEPR (Q223R, nonsynonymous SNP in exon 6) with cancer susceptibility; however, the findings a ...
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Journal articlePLoS One · 2013
Single genetic variants discovered so far have been only weakly associated with melanoma. This study aims to use multiple single nucleotide polymorphisms (SNPs) jointly to obtain a larger genetic effect and to improve the predictive value of a conventional ...
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Journal articlePLoS One · 2013
BACKGROUND: TNFAIP2 is a crucial gene involved in apoptosis. Single nucleotide polymorphisms (SNPs) in its miRNA binding sites could modulate functions of the miRNA-target genes and thus risk of cancers. In this study, we investigated associations between ...
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Journal articleJournal of Biomedical Research · January 1, 2013
Although tobacco and alcohol consumption are two common risk factors of head and neck cancer (HNC), other specific etiologic causes, such as viral infection and genetic susceptibility factors, remain to be understood. Hu- man DNA is often damaged by numero ...
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Journal articlePLoS One · 2013
BACKGROUND: The mTOR gene regulates cell growth by controlling mRNA translation, ribosome biogenesis, autophagy, and metabolism. Abnormally increased expression of mTOR was associated with carcinogenesis, and its functional single nucleotide polymorphisms ...
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Journal articlePLoS One · 2013
BACKGROUND: Transforming growth factor-beta 1 (TGF-β1) protein may be multifunctional and related to the development of fibrosis, induction of apoptosis, extracellular signaling and inhibition of proliferation in response to radiation-induced DNA damage. S ...
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Journal articleWorld J Surg Oncol · December 18, 2012
BACKGROUND: HER-2/neu-targeted therapy has been successfully used in advanced gastric cancer, but the role of HER-2/neu in the prognosis of gastric cancer is not yet clear. In this study, we investigated the correlation between HER-2/neu expression and amp ...
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Journal articleRadiother Oncol · December 2012
PURPOSE: We investigated the association between single nucleotide polymorphisms (SNPs) in the transforming growth factor β1 (TGFβ1) gene and the risk of radiation-induced esophageal toxicity (RE) in patients with non-small-cell lung cancer (NSCLC). METHOD ...
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Journal article · December 1, 2012
Nucleotide excision repair (NER) recognizes and removes bulky DNA damage that leads to DNA double-helix distortion. Inherited defects in the NER pathway have been associated with aging symptoms and premature death. In this review, we discussed the mechanis ...
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Journal articleMol Carcinog · October 2012
Deregulated expression of most members of the E2F family has been detected in many human cancers. We examined the association of common single nucleotide polymorphisms (SNPs) of E2F transcription factors 1 and 2 (E2F1 and E2F2) with risk of squamous cell c ...
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Journal articleMol Carcinog · October 2012
P53 up-regulated modulator of apoptosis (PUMA) is a critical factor in the intrinsic apoptotic pathway. Through PUMA-dependent mechanisms, human papillomavirus 16 (HPV16) oncoprotein may affect apoptosis by E6-mediated p53 degradation. To examine whether t ...
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Journal articleInt J Radiat Oncol Biol Phys · October 1, 2012
PURPOSE: We investigated potential associations between single-nucleotide polymorphisms (SNPs) in the heat shock protein beta-1 (HSPB1) gene and overall survival in US patients with non-small cell lung cancer (NSCLC). METHODS AND MATERIALS: Using available ...
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Journal articleMol Carcinog · October 2012
The insulin-like growth factor (IGF) pathway is believed to play a pivotal role in thyroid carcinogenesis. Polymorphisms of IGF-1 and IGF binding protein-3 (IGFBP-3) have been associated with modulation of risk for the emergence of assorted common malignan ...
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Journal articleMol Carcinog · October 2012
Matrix metallopeptidases (MMPs) play an important role in central nervous system tumor growth, invasion and spreading. The currently available data provide clear evidence for the involvement of MMP3 in the pathophysiology of glioma. The study aims to explo ...
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Journal articleChest · September 2012
BACKGROUND: CASP7 plays a crucial role in cancer development and chemotherapy efficacy. We, therefore, explored whether single nucleotide polymorphisms (SNPs) of the CASP7 gene can modulate outcomes of patients with advanced non-small cell lung cancer (NSC ...
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Journal articleOral Oncol · September 2012
OBJECTIVES: Polymorphic BRCA1 is a vital tumor suppressor gene within the DNA double-strand break repair pathways, but its association with salivary gland carcinoma (SGC) has yet to be investigated. MATERIALS AND METHODS: In a case-control study of 156 SGC ...
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Journal articleInt J Cancer · August 1, 2012
To explore the role of polymorphisms of p53-related genes in etiology of oral cancer, we investigated joint effects of seven putatively functional polymorphisms of p53 (codon 72 Arg/Pro), p73 (4/14 GC/AT), murine double minute 2 gene (MDM2; A2164G and T258 ...
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Journal articleCarcinogenesis · August 2012
Asbestos exposure is a known risk factor for lung cancer. Although recent genome-wide association studies (GWASs) have identified some novel loci for lung cancer risk, few addressed genome-wide gene-environment interactions. To determine gene-asbestos inte ...
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Journal articleArch Gen Psychiatry · August 2012
CONTEXT: Recent studies have shown an association between cigarettes per day (CPD) and a nonsynonymous single-nucleotide polymorphism in CHRNA5, rs16969968. OBJECTIVE: To determine whether the association between rs16969968 and smoking is modified by age a ...
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Journal articleHealth Place · July 2012
The unique effects of neighborhood-level economic deprivation on survival, recurrence, and second primary malignancy development were examined using adjusted Cox proportional hazards regression models among 1151 incident squamous cell carcinomas of the hea ...
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Journal articleHum Genet · July 2012
DNA repair genes play an important role in maintaining stability and integrity of genomic DNA. Polymorphisms in nucleotide excision repair genes may cause variations in DNA repair capacity phenotype and thus contribute to cancer risk. In this case-control ...
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Journal articleAnn Surg Oncol · July 2012
BACKGROUND: A novel variant rs2274223 located in the phospholipase C epsilon 1 (PLCE1) gene was found to be associated with risk of esophageal squamous cell carcinoma (ESCC) by 2 large-scale genome-wide association studies (GWASs) in Chinese populations. I ...
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Journal articleJ Clin Endocrinol Metab · June 2012
CONTEXT: ATM is critical in response to ionizing radiation-induced DNA damage. OBJECTIVE: Variations in ATM are hypothesized to affect individual susceptibility to thyroid cancer. Our objective was to evaluate the association between ATM polymorphisms and ...
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Journal articleNat Genet · May 6, 2012
We detected clonal mosaicism for large chromosomal anomalies (duplications, deletions and uniparental disomy) using SNP microarray data from over 50,000 subjects recruited for genome-wide association studies. This detection method requires a relatively hig ...
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Journal articleBMC Cancer · May 1, 2012
BACKGROUND: The cooperation between phorbol 12-myristate 13-acetate induced protein 1 (NOXA) and myeloid cell leukemia 1 (MCL1) is critical in the intrinsic apoptotic pathway. Human papillomavirus 16 (HPV16), by inducing p53 and pRb-E2F degradation, may pl ...
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Journal articleMutagenesis · May 2012
The p73 gene (1p36-33) is involved in cancer development through cell growth inhibition by inducing apoptosis in a p53-like manner. The p73 G4C14-to-A4T14 dinucleotide polymorphism, consisting of two single-nucleotide polymorphisms in the non-coding region ...
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Journal articleCancer Sci · May 2012
Vascular endothelial growth factor (VEGF) is a major mediator of angiogenesis and lung cancer progression. We hypothesized that VEGF polymorphisms may modulate the risk of radiation pneumonitis (RP) in non-small cell lung cancer (NSCLC) patients treated wi ...
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Journal articlePediatr Blood Cancer · April 2012
BACKGROUND: Methylenetetrahydrofolate reductase (MTHFR) C677T and A1298C polymorphisms have been implicated in childhood acute lymphoblastic leukemia (ALL) risk, but previously published studies were inconsistent and recent meta-analyses were not adequate. ...
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Journal articleBreast Cancer Res Treat · April 2012
Hypersensitivity to radiation exposure has been suggested to be a risk factor for the development of breast cancer. In this case-control study of 515 young women (≤ 55 years) with newly diagnosed sporadic breast cancer and 402 cancer-free controls, we exam ...
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Journal articleMelanoma Res · April 2012
Recently, we reported on the associations of seven single nucleotide polymorphisms (SNPs) in the promoter region of MMP1 gene with susceptibility to cutaneous melanoma (CM). Considering the reported correlation between MMP1 expression and melanoma progress ...
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Journal articleCarcinogenesis · April 2012
It has been demonstrated that there are abundant stable microRNAs (miRNAs) in plasma/serum, which can be detected and are potentially disease specific. However, the lack of suitable endogenous controls for serum miRNA detection is the restriction for the w ...
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Journal articleMol Cancer · March 26, 2012
BACKGROUND: Cell cycle deregulation is common in human cancer, and alterations of p27 and p21, two critical cell cycle regulators, have been implicated in the development of many human malignancies. Therefore, we hypothesize that p27 T109G polymorphism ind ...
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Journal articleCancer · March 15, 2012
BACKGROUND: The p53 pathway plays a critical role in maintaining genomic stability and preventing tumor formation. Given the roles of both MDM4 and HPV16 E6 oncoproteins in inhibition of p53 activity, we tested the hypothesis that MDM4 polymorphisms are as ...
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Journal articleDNA Repair (Amst) · March 1, 2012
OBJECTIVE: DNA repair pathway genes play an important role in maintaining genomic integrity and protecting against cancer development. This study aimed to identify novel SNPs in the DNA repair-related genes associated with melanoma risk from a genome-wide ...
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Journal articleCancer · March 1, 2012
BACKGROUND: Thyroid cancer incidence in the United States, particularly in women, has increased dramatically since the 1980s. Although the causes of thyroid cancer in most patients remain largely unknown, evidence suggests the existence of an inherited pre ...
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Journal articleJ Cancer Res Clin Oncol · March 2012
PURPOSE: The phosphatidylinositol 3-kinase (PI3K)/PTEN/AKT/mTOR and Ras/Raf/MEK/ERK pathways have been implicated in endometrial tumorigenesis. In this candidate pathway analysis, we investigated associations between genetic variations in these two pathway ...
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Journal articleCancer · January 15, 2012
BACKGROUND: Nonhomologous end joining (NHEJ) is a pathway that repairs DNA double-strand breaks (DSBs) to maintain genomic stability in response to irradiation. The authors hypothesized that single nucleotide polymorphisms (SNPs) in NHEJ repair genes may a ...
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Journal articleCancer · January 15, 2012
BACKGROUND: Because of the structural and biochemical similarities between the antitumor p53 and p73 proteins, the authors hypothesized that individuals who carry high-risk genotypes of p53 codon 72 and p73 G4C14-to-A4T14 polymorphisms have a higher risk o ...
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Journal articlePLoS One · 2012
BACKGROUND: Excision repair cross-complementation group 4 gene (ERCC4/XPF) plays an important role in nucleotide excision repair and participates in removal of DNA interstrand cross-links and DNA double-strand breaks. Single nucleotide polymorphisms (SNPs) ...
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Journal articlePLoS One · 2012
In vitro benzo[a]pyrene diol epoxide (BPDE)-induced DNA adducts in cultured peripheral lymphocytes have been shown to be a phenotypic biomarker of individual's DNA repair phenotype that is associated with cancer risk. In this study, we explored association ...
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Journal articlePharmacogenet Genomics · January 2012
OBJECTIVES: Xeroderma pigmentosum group G (XPG) protein is essential for the nucleotide excision repair system, and genetic variations in XPG/ERCC5 that affect DNA repair capacity may contribute to the risk of tobacco-induced cancers, including squamous ce ...
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Journal articlePLoS One · 2012
BACKGROUND: The functional polymorphism (rs1800566) in the NQO1 gene, a 609C>T substitution, leading to proline-to-serine amino-acid and enzyme activity changes, has been implicated in cancer risk, but individually published studies showed inconclusive res ...
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Journal articleOncologist · 2012
Caspase-8 and caspase-10 play crucial roles in both cancer development and chemotherapy efficacy. In this study, we aimed to comprehensively assess single nucleotide polymorphisms (SNPs) of the caspase-8 (CASP8) and caspase-10 (CASP10) genes in relation to ...
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Journal articleGenet Epidemiol · January 2012
Poly(ADP-ribose) polymerase-1 (PARP-1 catalyzes poly(ADP-ribosyl)ation to various proteins involved in many cellular processes, including DNA damage detection and repair and cell proliferation and death. PARP-1 has been implicated in human carcinogenesis, ...
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Journal articlePLoS One · 2012
BACKGROUND: Xeroderma pigmentosum complementation group F (XPF or ERCC4) plays a key role in DNA repair that protects against genetic instability and carcinogenesis. A series of epidemiological studies have examined associations between XPF polymorphisms a ...
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Journal articlePLoS One · 2012
BACKGROUND: Excision repair cross complementing group 5 (ERCC5 or XPG) plays an important role in regulating DNA excision repair, removal of bulky lesions caused by environmental chemicals or UV light. Mutations in this gene cause a rare autosomal recessiv ...
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Journal articleThyroid · January 2012
BACKGROUND: Breast cancer 1, early onset (BRCA1) is a vital DNA repair gene, and the single nucleotide polymorphisms (SNPs) of this gene have been studied in diverse cancer types. In this study, we investigated the association between eight common BRCA1 fu ...
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Journal articlePLoS One · 2012
p53 and p73 interact with human papillomavirus (HPV) E6 and E7 oncoproteins. The interplay between p53 and p73 and HPV16 may lead to deregulation of cell cycle and apoptosis, through which inflammation/immune responses control the HPV clearance and escape ...
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Journal articlePLoS One · 2012
PURPOSE: Xeroderma pigmentosum group D (XPD) codes for a DNA helicase involved in nucleotide excision repair that removes platinum-induced DNA damage. Genetic polymorphisms of XPD may affect DNA repair capacity and lead to individual differences in the out ...
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Journal articlePLoS One · 2012
Recently, several genome-wide association studies (GWAS) have identified many susceptible single nucleotide polymorphisms (SNPs) for chronic obstructive pulmonary disease (COPD) and lung cancer which are two closely related diseases. Among those SNPs, some ...
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Journal articlePLoS One · 2012
BACKGROUND: The p14(ARF)/MDM2/p53 pathway plays an important role in modulation of DNA damage and oxidative stress responses. The aim of this study was to determine whether genetic variants in MDM2 and p14(ARF) are associated with risk of salivary gland ca ...
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Journal articleCancer Epidemiol Biomarkers Prev · January 2012
BACKGROUND: Recent data showed that melanoma was more common among patients with Parkinson disease than individuals without Parkinson disease and vice versa. It has been hypothesized that these two diseases may share common genetic and environmental risk f ...
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Journal articlePLoS One · 2012
The relationship between telomeres, nevi and melanoma is complex. Shorter telomeres have been found to be associated with many cancers and with number of nevi, a known risk factor for melanoma. However, shorter telomeres have also been found to decrease me ...
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Journal articlePLoS One · 2012
BACKGROUND: Inherited functional single nucleotide polymorphisms (SNPs) in DNA repair genes may alter DNA repair capacity and thus contribute to cancer risk. METHODS: Three ERCC1 functional SNPs (rs2298881C>A, rs3212986C>A and rs11615G>A) and two XPF/ERCC4 ...
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Journal articlePLoS One · 2012
BACKGROUND: Excision repair cross complementing group 5 (ERCC5 or XPG) plays an important role in regulating DNA excision repair; its functional single nucleotide polymorphisms (SNPs) may alter DNA repair capacity and thus contribute to cancer risk. METHOD ...
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Journal articlePLoS One · 2012
BACKGROUND: Recent genome-wide association studies (GWAS) have found a single nucleotide polymorphism (SNP, rs2274223 A>G) in PLCE1 to be associated with risk of gastric adenocarcinoma. In the present study, we validated this finding and also explored the ...
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Journal articlePLoS One · 2012
RAD52 is an important but not well characterized homologous recombination repair gene that can bind to single-stranded DNA ends and mediate the DNA-DNA interaction necessary for the annealing of complementary DNA strands. To evaluate the role of RAD52 vari ...
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Journal articlePLoS One · 2012
BACKGROUND: Non-Hodgkin's lymphoma (NHL) has been reported to be associated with autoimmune and pro-inflammatory response, and genetic polymorphisms of candidate genes involved in autoimmune and pro-inflammatory response may influence the susceptibility to ...
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Journal articleHum Mol Genet · December 15, 2011
We performed a multistage genome-wide association study of melanoma. In a discovery cohort of 1804 melanoma cases and 1026 controls, we identified loci at chromosomes 15q13.1 (HERC2/OCA2 region) and 16q24.3 (MC1R) regions that reached genome-wide significa ...
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Journal articleCancer Epidemiol Biomarkers Prev · December 2011
BACKGROUND: Recent studies reported associations of the relative telomere length (RTL) and TERT variants with risk of several cancers, which have not been comprehensively investigated in squamous cell carcinoma of the head and neck (SCCHN). METHODS: We det ...
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Journal articleFrontiers in Oncology · December 1, 2011
Previous molecular epidemiological studies on head and neck cancer have examined various single nucleotide polymorphisms (SNPs), but there are very few documented associations. In the International head and neck cancer epidemiology (INHANCE) consortium, we ...
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Journal articleCarcinogenesis · November 2011
Although the role of TNFAIP2 is still unclear, it is an important gene involved in apoptosis, and there are single-nucleotide polymorphisms (SNPs) at its microRNA (miRNA)-binding sites that could modulate miRNA target gene function. In this study, we evalu ...
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Journal articleInt J Radiat Oncol Biol Phys · November 1, 2011
PURPOSE: To explore whether functional single nucleotide polymorphisms (SNPs) of base-excision repair genes are predictors of radiation treatment-related pneumonitis (RP), we investigated associations between functional SNPs of ADPRT, APEX1, and XRCC1 and ...
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Journal articleRadiother Oncol · November 2011
PURPOSE: We investigated the association between single-nucleotide polymorphisms (SNPs) in the heat shock protein beta-1 (HSPB1) gene and the risk of radiation-induced esophageal toxicity (RIET) in patients with non-small-cell lung cancer (NSCLC). MATERIAL ...
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Journal articleJ Clin Oncol · November 1, 2011
PURPOSE: Platinum-based regimens are the standard chemotherapy for patients with advanced non-small-cell lung cancer (NSCLC). DNA repair capacity (DRC) in tumor cells plays an important role in resistance to platinum-based drugs. We have previously reporte ...
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Journal articleJ Neurooncol · November 2011
H2AFX, a histone H2A gene family member X, is a key component in the detection of and response to DNA double-strand breaks (DSBs) caused by ionizing radiation (IR), a known risk factor for glioma. Thus, genetic variants in the H2AFX promoter region that ma ...
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Journal articleBMC Cancer · October 14, 2011
BACKGROUND: The dysregulation of gene expression in the TNF-TNFR superfamily has been involved in various human cancers including non-small cell lung cancer (NSCLC). Furthermore, functional polymorphisms in TNF-α and TNFRSF1B genes that alter gene expressi ...
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Journal articleNat Genet · October 9, 2011
We performed a genome-wide association study of melanoma in a discovery cohort of 2,168 Australian individuals with melanoma and 4,387 control individuals. In this discovery phase, we confirm several previously characterized melanoma-associated loci at MC1 ...
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Journal articleNat Genet · October 9, 2011
We report a genome-wide association study for melanoma that was conducted by the GenoMEL Consortium. Our discovery phase included 2,981 individuals with melanoma and 1,982 study-specific control individuals of European ancestry, as well as an additional 6, ...
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Journal articleHum Mol Genet · September 15, 2011
We conducted a genome-wide association study on cutaneous basal cell carcinoma (BCC) among 2045 cases and 6013 controls of European ancestry, with follow-up replication in 1426 cases and 4845 controls. A non-synonymous SNP in the MC1R gene (rs1805007 encod ...
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Journal articleJ Natl Cancer Inst · September 7, 2011
Genetic variations in the CYP2A6 nicotine metabolic gene and the CHRNA5-CHRNA3-CHRNB4 (CHRNA5-A3-B4) nicotinic gene cluster have been independently associated with lung cancer. With genotype data from ever-smokers of European ancestry (417 lung cancer pati ...
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Journal articleMol Carcinog · September 2011
Both p53 tumor suppressor and murine double minute 2 (MDM2) oncoprotein are crucial in carcinogenesis. We hypothesized that MDM2 promoter single nucleotide polymorphisms (SNPs) SNP309 T > G, A2164G, and p53 codon 72 are associated with risk and age at onse ...
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Journal articleCancer Causes Control · September 2011
BACKGROUND: Greater tobacco smoking and alcohol consumption and lower body mass index (BMI) increase odds ratios (OR) for oral cavity, oropharyngeal, hypopharyngeal, and laryngeal cancers; however, there are no comprehensive sex-specific comparisons of ORs ...
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Journal articleYi Chuan · August 2011
To investigate the association between chromosome 8p11 (CHRNB3-CHRNA6) polymorphisms and lung cancer susceptibility in Chinese Han population, we genotyped 6 tag SNPs variants of this region among 784 patients with lung cancer and 782 age- and sex-matched ...
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Journal articlePharmacogenet Genomics · July 2011
PURPOSE: Mouse double minute 4 (MDM4), a homolog of MDM2, is one of the key negative regulators of p53, and its amplification or overexpression contributes to carcinogenesis by inhibiting the p53 tumor suppressor activity. We investigated the association b ...
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Journal articleHum Mol Genet · July 1, 2011
We conducted a genome-wide association study on the number of melanocytic nevi reported by 9136 individuals of European ancestry, with follow-up replication in 3581 individuals. We identified the nidogen 1 (NID1) gene on 1q42 associated with nevus count (t ...
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Journal articleBMC Cancer · June 20, 2011
BACKGROUND: Phospholipase C epsilon 1 (PLCE1) (an effector of Ras) belonging to the phospholipase family plays crucial roles in carcinogenesis and progression of several cancers, including squamous cell carcinoma of the head and neck (SCCHN). A single nucl ...
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Journal articleHead Neck · June 2011
BACKGROUND: An emerging epidemic of human papillomavirus (HPV)-associated oropharyngeal cancer has been proposed. The purpose of this study was for us to compare the sexual behaviors of patients with squamous cell carcinoma of the oropharynx (SCCOP) and pa ...
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Journal articleLung Cancer · June 2011
BACKGROUND: The nucleotide excision repair (NER) pathway modulates platinum-based chemotherapeutic efficacy by removing drug-induced DNA damage. METHODS: To summarize published data on the association between NER genes and responses to platinum-based chemo ...
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Journal articleBreast Cancer Res Treat · June 2011
Disruption of the circadian rhythm or biological clock, which is regulated by a number of clock genes, including circadian locomotor output cycles kaput (CLOCK), period genes (PERs), and cryptochrome genes (CRYs), is a risk factor for breast cancer. We hyp ...
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Journal articleHead Neck · May 2011
BACKGROUND: To the best of our knowledge, no studies to date have evaluated roles of insulin-like growth factor binding protein 5 (IGFBP5) polymorphisms in risk of squamous cell carcinoma of the head and neck (SCCHN). METHODS: A hospital-based study of 108 ...
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Journal articleLung Cancer · May 2011
Platinum-based chemotherapy is the most common treatment for non-small cell lung cancer (NSCLC), and expression levels of drug metabolism and transport proteins are correlated with its efficacy and toxicity. In this study, we investigated the association o ...
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Journal articleAm J Epidemiol · April 15, 2011
Two genome-wide association studies of glioma in European populations identified 14 genetic variants strongly associated with risk of glioma, but it is unknown whether these variants are associated with glioma risk in Asian populations. The authors genotyp ...
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Journal articleDNA Repair (Amst) · April 3, 2011
DNA repair genes are important for maintaining genomic stability and limiting carcinogenesis. We analyzed all single nucleotide polymorphisms (SNPs) of 125 DNA repair genes covered by the Illumina HumanHap300 (v1.1) BeadChips in a previously conducted geno ...
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Journal articleCarcinogenesis · April 2011
Published genome-wide association studies (GWASs) have identified few variants in the known biological pathways involved in lung cancer etiology. To mine the possibly hidden causal single nucleotide polymorphisms (SNPs), we explored all SNPs in the extrins ...
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Journal articleCancer Epidemiol Biomarkers Prev · April 2011
BACKGROUND: Sequence variants located at 15q25 have been associated with lung cancer and propensity to smoke. We recently reported an association between rs16969968 and risk of upper aerodigestive tract (UADT) cancers (oral cavity, oropharynx, hypopharynx, ...
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Journal articleChin J Cancer · April 2011
P21 (CDKN1A), a key cell cycle regulatory protein that governs cell cycle progression from G1 to S phase, can regulate cell proliferation, growth arrest, and apoptosis. The Ser31Arg polymorphism is located in the highly conserved region of p21 and may enco ...
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Journal articleInt J Oncol · April 2011
IQGAP1 knockout mice develop gastric cancer, but the IQGAP1 protein is associated with some advanced-stage human cancers. IQGAP1 expression is regulated by a microRNA, miR-124, through a binding site at the 3'-untranslated region, where a single nucleotide ...
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Journal articleBMC Cancer · March 23, 2011
BACKGROUND: The human apurinic/apyrimidinic endonuclease 1/Redox effector factor-1 (APE1/Ref-1) is implicated in tumor development and progression. Recently, the APE1/Ref-1 promoter -141T/G variant (rs1760944) has been reported to be associated with lung c ...
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Journal articleClin Cancer Res · March 15, 2011
PURPOSE: Nucleotide excision repair (NER) modulates platinum-based chemotherapeutic efficacy by removing drug-produced DNA damage. To summarize published data on the association between polymorphisms of NER genes (ERCC1 and ERCC2) and responses to oxalipla ...
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Journal articleCancer · March 15, 2011
BACKGROUND: p14(ARF) , an alternate reading frame (ARF) product of the cyclin-dependent kinase inhibitor 2A locus, plays a critical role in crosstalk between the tumor protein 53 (p53) and retinoblastoma (Rb) pathways and in cellular anticancer mechanisms. ...
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Journal articlePLoS Genet · March 2011
Genome-wide association studies (GWAS) have been successful in identifying common genetic variation involved in susceptibility to etiologically complex disease. We conducted a GWAS to identify common genetic variation involved in susceptibility to upper ae ...
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Journal articleClin Cancer Res · January 15, 2011
PURPOSE: NRAS and BRAF mutations are common in cutaneous melanomas, although rarely detected mutually in the same tumor. Distinct clinical correlates of these mutations have not been described, despite in vitro data suggesting enhanced oncogenic effects. T ...
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Journal articleJ Exp Clin Cancer Res · January 7, 2011
BACKGROUND: SULF1 (sulfatase 1) selectively removes the 6-O-sulphate group from heparan sulfate, changing the binding sites for extracellular growth factors. SULF1 expression has been reported to be decreased in various cancers, including ovarian cancer. W ...
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Journal articlePLoS One · 2011
The repair of DNA double-strand breaks (DSBs) is the major mechanism to maintain genomic stability in response to irradiation. We hypothesized that genetic polymorphisms in DSB repair genes may affect clinical outcomes among non-small cell lung cancer (NSC ...
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Journal articlePLoS One · 2011
BACKGROUND: Telomeres play a key role in the maintenance of chromosome integrity and stability, and telomere shortening is involved in initiation and progression of malignancies. A series of epidemiological studies have examined the association between sho ...
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Journal articleEur J Cancer · January 2011
Matrix metallopeptidase 1 (MMP1) is one of the interstitial collagens in the extracellular matrix metalloproteinase family and involved in tumour behaviours. However, there is no report on the role of genetic variation in MMP1 in risk of cutaneous melanoma ...
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Journal articleCarcinogenesis · January 2011
Mutagen challenge and DNA repair assays have been used in case-control studies for nearly three decades to assess human cancer risk. The findings still engender controversy because blood was drawn after cancer diagnosis so the results may be biased, a type ...
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Journal articleCarcinogenesis · December 2010
Human DEC1 (deleted in esophageal cancer 1) gene is located on chromosome 9q, a region frequently deleted in various types of human cancers, including squamous cell carcinoma of the head and neck (SCCHN). However, only one epidemiological study has evaluat ...
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Journal articleJ Natl Cancer Inst · November 3, 2010
BACKGROUND: The incidence of nonmelanoma skin cancer (NMSC) is equivalent to that of all other cancers combined. Previously, we mapped the 12-O-tetradecanoylphorbol-13-acetate (TPA) skin tumor promotion susceptibility locus, Psl1, to distal chromosome 9 in ...
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Journal articleCarcinogenesis · November 2010
Single-nucleotide polymorphisms (SNPs) of TERT-rs2736098 (C > T) and CLPTM1L-rs401681(C > T) at the 5p15.33 locus are significantly associated with cancer risk as reported in genome-wide association studies (GWAS), but there are no reported studies for squ ...
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Journal articleCancer · October 15, 2010
BACKGROUND: Single nucleotide polymorphisms (SNPs) in microRNAs (miRNAs) may alter the processing, transcription, and expression of miRNAs and, thus, may contribute to cancer development. The authors hypothesized that common polymorphisms in pre-miRNAs are ...
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Journal articleClin Cancer Res · October 15, 2010
PURPOSE: It is unknown whether there are survival disparities between men and women with squamous cell carcinoma of the head and neck (SCCHN), although some data suggest that men have worse outcomes. We conducted a matched-pair study that controlled for se ...
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Journal articleCarcinogenesis · October 2010
BACKGROUND: DNA strand breaks pose the greatest threat to genomic stability. Genetically determined mutagen sensitivity predisposes individuals to a variety of cancers, including glioma. However, polymorphisms in DNA strand break repair genes that may dete ...
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Journal articleMutat Res · September 30, 2010
Insulin-like growth factor binding protein 7 (IGFBP7) functions mostly independent of the IGF signaling pathway and acts as a tumor suppressor in multiple cancers, but roles of IGFBP7 genetic variants in cancer remains unknown. In a hospital-based study of ...
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Journal articleCancer Res · September 15, 2010
The increasing incidence of oral squamous cell carcinoma (OSCC) in young adults has been associated with sexually transmitted infections of human papillomavirus (HPV), particularly HPV16. Given the roles of p53 in tumor suppression and of HPV E6 and MDM2 o ...
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Journal articleBMC Cancer · August 16, 2010
BACKGROUND: Vascular endothelial growth factor (VEGF) is a major mediator of angiogenesis involving in carcinogenesis, including lung cancer. We hypothesized that VEGF polymorphisms may affect survival outcomes among locally advanced non-small cell lung ca ...
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Journal articleCarcinogenesis · August 2010
Mitogen-activated protein kinase kinase 4 (MKK4) is a critical mediator of stress-activated protein kinase signals that regulate apoptosis, inflammations and tumorigenesis. Several polymorphisms have been identified in the MKK4 gene. We hypothesized that g ...
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Journal articleInt J Epidemiol · August 2010
BACKGROUND: Head and neck cancer (HNC) risk is elevated among lean people and reduced among overweight or obese people in some studies; however, it is unknown whether these associations differ for certain subgroups or are influenced by residual confounding ...
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Journal articleInternational Journal of Molecular Epidemiology and Genetics · July 21, 2010
To investigate the association of expression and promoter methylation of tumor-suppressor genes with risk of ovarian cancer, we conducted a case-control study of 102 patients with serous epithelial ovarian cancer and 100 patients without ovarian cancers. W ...
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Journal articleClin Cancer Res · July 15, 2010
PURPOSE: Elevated levels of human telomerase (hTERT) mRNA in tumors is a marker for poorer survival in patients with stage I non-small cell lung cancer (NSCLC). A functional variant of MNS16A-short tandem repeats in hTERT (S allele) is associated with high ...
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Journal articleCarcinogenesis · July 2010
Checkpoint kinase (CHEK) 2, a tumor suppressor gene, plays an essential role in the DNA damage checkpoint response cascade. We first investigated two polymorphisms in the proximal promoter of the CHEK2 gene and evaluated their associations with the risk of ...
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Journal articleBreast Cancer Res Treat · July 2010
PIN1, an isomerase that causes conformational changes in proteins, plays an important role in mammary epithelial cell growth both physiologically and pathologically. Thus, genetic variants in the PIN1 gene may alter protein function and cancer risk. We hav ...
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Journal articleCancer · June 15, 2010
BACKGROUND: The authors conducted a hospital-based study of 1110 patients with squamous cell carcinoma of the head and neck (SCCHN) and a control group of 1129 patients to replicate the associations reported by a recent, large European study between 2 pote ...
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Journal articleAm J Epidemiol · June 15, 2010
Odds ratios for head and neck cancer increase with greater cigarette and alcohol use and lower body mass index (BMI; weight (kg)/height(2) (m(2))). Using data from the International Head and Neck Cancer Epidemiology Consortium, the authors conducted a form ...
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Journal articleCancer Epidemiol Biomarkers Prev · June 2010
BACKGROUND: Single-nucleotide polymorphisms in the promoter region of the FAS and FASLG may alter the transcriptional activity of these genes. We therefore investigated the association between the FAS and FASLG polymorphisms and risk for second primary mal ...
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Journal articleCancer · May 15, 2010
BACKGROUND: p53 plays a critical role in cellular anticancer mechanisms, and has been correlated with second primary malignancy (SPM) development. A common polymorphism in codon 72 of p53 results in an amino acid substitution and could influence p53 functi ...
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Journal articleDNA Repair (Amst) · May 4, 2010
Methylating agents are involved in carcinogenesis, and the DNA repair protein O(6)-methylguanine-DNA methyltransferase (MGMT) removes methyl group from O(6)-methylguanine. Genetic variation in DNA repair genes has been shown to contribute to susceptibility ...
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Journal articleCarcinogenesis · May 2010
Several potentially functional polymorphisms of CASP8 encoding an apoptotic enzyme, caspase 8, have been implicated in cancer risk, but individually published studies showed inconclusive results. We performed a meta-analysis of 23 publications with a total ...
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Journal articleOncogene · April 1, 2010
Xeroderma pigmentosum group F (XPF) has an essential role in the nucleotide excision repair pathway that removes a wide variety of DNA lesions. We hypothesized that genetic variants in XPF are associated with bladder cancer risk and recurrence. We selected ...
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Journal articleClin Cancer Res · March 1, 2010
PURPOSE: Transforming growth factor-beta1 (TGF-beta1) plays an important role in inflammation and immune responses, which control the human papillomavirus (HPV) clearance and escape of immune surveillance, and may contribute to genetic susceptibility to HP ...
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Journal articleCarcinogenesis · February 2010
p21 plays an important role in modulating cell cycle control, inducing apoptosis, and inhibiting cell growth, subsequently affecting cancer risk. We investigated the association between two putatively functional single-nucleotide polymorphisms (SNPs) of p2 ...
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Journal articleCancer Prev Res (Phila) · February 2010
Caspase 8 (CASP8) is an apoptosis-related cysteine peptidase involved in the death receptor pathway and likely in the mitochondrial pathway. A CASP8 promoter region six-nucleotide deletion/insertion (-652 6N ins/del) variant and a coding region D302H polym ...
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Journal articleInt J Epidemiol · February 2010
BACKGROUND: Quitting tobacco or alcohol use has been reported to reduce the head and neck cancer risk in previous studies. However, it is unclear how many years must pass following cessation of these habits before the risk is reduced, and whether the risk ...
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Journal articleCancer Res · February 1, 2010
The migration and invasion inhibitory protein MIIP is an inhibitor of cancer cell migration and invasion that inhibits breast tumorigenesis. In this case-control study, we evaluated the MIIP single nucleotide polymorphism (SNP) rs2295283 (codon 167, A>G, K ...
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Journal articleClin Cancer Res · January 15, 2010
PURPOSE: Although cigarette smoking and alcohol use are known risk factors for squamous cell carcinoma of head and neck (SCCHN), only a few exposed individuals develop this disease, suggesting an individual susceptibility. In this study, we investigated th ...
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Journal articlePancreas · January 2010
OBJECTIVES: p21 (WAF1/Cip1/CDKN1A) and p27 (Kip1/CDKN1B) are members of the Cip/Kip family of cyclin-dependent kinase inhibitors, which can induce cell cycle arrest and serve as tumor suppressors. We hypothesized that genetic variants in p21 and p27 may mo ...
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Journal articleArch Facial Plast Surg · 2010
BACKGROUND: Glutathione-S-transferase (GST) enzymes play a role in scavenging endogenous oxidants. Altered enzyme activity results from inherited polymorphisms, which results in increased oxidative stress. This study explores the role of GST polymorphisms ...
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Journal articleInt J Cancer · December 1, 2009
P73 plays an important role in modulating cell-cycle control, inducing apoptosis, and inhibiting cell growth. A novel noncoding p73 G4C14-to-A4T14 exon 2 polymorphism was associated with risk of squamous cell carcinoma of the head and neck (SCCHN). We hypo ...
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Journal articleInternational Journal of Clinical and Experimental Medicine · December 1, 2009
Survivin has been identified as an apoptosis inhibitor and a key regulator of mitosis. A common polymorphism (-31G>C) at the survivin promoter has been extensively studied in various cancers and reported to influence survivin expression. We hypothesize tha ...
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Journal articleCarcinogenesis · December 2009
Fas-associated phosphatase-1 is encoded by the protein tyrosine phosphatase, non-receptor type 13 (PTPN13) gene and attributes to the resistance to Fas-mediated apoptosis in several tumors, including squamous cell carcinoma of the head and neck (SCCHN). Ho ...
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Journal articleBMC Gastroenterol · October 16, 2009
BACKGROUND: Both TGF-beta1 and VEGF play a critic role in the multiple-step process of tumorgenesis of gastric cancer. Single nucleotide polymorphisms (SNPs) of the TGFB1 and VEGF genes have been associated with risk and progression of many cancers. In thi ...
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Journal articleAm J Epidemiol · October 15, 2009
Although cigarette smoking and alcohol consumption increase risk for head and neck cancers, there have been few attempts to model risks quantitatively and to formally evaluate cancer site-specific risks. The authors pooled data from 15 case-control studies ...
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Journal articleCarcinogenesis · October 2009
PIN1, a new peptidyl-prolyl cis/trans isomerase, regulates the conformation of Pro-directed phosphorylation sites, revealing a new postphosphorylation regulatory mechanism. PIN1-induced conformational changes potentiate multiple oncogenic signaling pathway ...
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Journal articleClin Cancer Res · October 1, 2009
PURPOSE: MicroRNAs regulate gene expression by binding to the 3'-untranslated region (UTR) of target genes. Single-nucleotide polymorphisms of critical genes may affect their regulation by microRNAs. We have identified a single-nucleotide polymorphism with ...
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Journal articleFASEB J · October 2009
Apurinic/apyrimidinic endonuclease 1/redox effector factor-1 (APE1/Ref-1) is a ubiquitous multifunctional protein that possesses both DNA-repair and redox regulatory activities. Although it was originally identified as a DNA-repair enzyme, accumulating evi ...
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Journal article · September 1, 2009
This chapter provides an update on the epidemiology of lung cancer with an emphasis on the rapidly expanding literature exploring host susceptibility to tobacco carcinogenesis. It also reviews chemoprevention and lung screening trials. ...
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Journal articleCancer Prev Res (Phila) · September 2009
It is unknown whether population-level racial or ethnic disparities in mortality from squamous cell carcinoma of the head and neck (SCCHN) also occur in the setting of standardized multidisciplinary-team directed care. Therefore, we conducted a matched-pai ...
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Journal articleAmerican Journal of Translational Research · August 4, 2009
Lung cancer leads all other cancers in both incidence and mortality. Recent advances in underlying molecular pathogenesis have validated a panel of protein tyrosine kinases as new targets in lung cancer treatment. Insulin-like growth factor-1 receptor (IGF ...
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Journal articleAmerican Journal of Translational Research · August 3, 2009
Gastric cancer is a disease of gene-environment interactions, as suggested by the varying geographic patterns of its incidence. Even in areas with high rates of Helicobacter pylori infection, only a small proportion of infected individuals develop gastric ...
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Journal articleInternational Journal of Clinical and Experimental Medicine · August 3, 2009
To update data on the role of vitamin D receptor (VDR) single nucleotide polymorphisms (SNPs) in susceptibility to prostate cancer, we performed a meta-analysis of 36 eligible publications on the association of TaqI, ApaI, BsmI, FokI and CDX2 SNPs of the V ...
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Journal articleJ Clin Oncol · July 10, 2009
PURPOSE: In search of reliable biologic markers to predict the risk of normal tissue damage by radio(chemo)therapy before treatment, we investigated the association between single nucleotide polymorphisms (SNPs) in the transforming growth factor 1 (TGFbeta ...
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Journal articleJ Exp Clin Cancer Res · June 30, 2009
BACKGROUND: Some TGFB1 and VEGF polymorphisms are believed to be functional. Given that these genes are involved in tumor growth and progression including angiogenesis, dissemination, and invasiveness, we hypothesized that these polymorphisms would be asso ...
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Journal articleInt J Cancer · June 15, 2009
In mammalian cells, X-ray repair cross-complementing group3 (XRCC3) plays an important role in the DNA double-strand breaks (DSBs) repair by homologous recombination. Genetic polymorphisms in the XRCC3 gene may potentially affect the repair of DSBs and thu ...
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Journal articleCarcinogenesis · June 2009
The nucleotide excision repair (NER) pathway is central in response to damage induced by environmental carcinogens. Efficiency of this pathway, probably genetically determined, may modulate individual risk of developing squamous cell carcinoma of the head ...
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Journal articleCarcinogenesis · June 2009
A recent genome-wide association study identified two common variants that confer susceptibility to bladder cancer. We hypothesized that these variants are associated with risk of bladder cancer in Chinese populations. We genotyped rs9642880 G>T on 8q24 an ...
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Journal articleInternational Journal of Clinical and Experimental Medicine · May 19, 2009
Glutathione S-transferase (GST) genes detoxify and metabolize carcinogens, including oxygen free radicals which may contribute to salivary gland carcinogenesis. This cancer center-based case-control association study included 166 patients with incident sal ...
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Journal articleInternational Journal of Clinical and Experimental Medicine · May 18, 2009
To summarize published data on the role of common genetic variants of the X-ray repair cross-complementing group 1 (XRCC1) gene in susceptibility to esophageal cancer (EC), we performed a meta-analysis including 11 eligible publications with 3,306 patients ...
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Journal articleInt J Cancer · May 1, 2009
Numerous prospective and retrospective studies have clearly demonstrated a dose-related increased lung cancer risk associated with cigarette smoking, with evidence also for a genetic component to risk. In this study, using the two-stage clonal expansion st ...
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Journal articleCancer Prev Res (Phila) · May 2009
Glutathione S-transferases (GST) detoxify carcinogens in tobacco smoke, which plays a major role in development of not only squamous cell carcinoma of the head and neck (SCCHN) but also second primary malignancy (SPM) after index SCCHN. We hypothesized tha ...
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Journal articleCancer Epidemiol Biomarkers Prev · May 2009
BACKGROUND: Marijuana contains carcinogens similar to tobacco smoke and has been suggested by relatively small studies to increase the risk of head and neck cancer (HNC). Because tobacco is a major risk factor for HNC, large studies with substantial number ...
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Journal articleInt J Cancer · May 1, 2009
Matrix metalloproteinases (MMPs) play a crucial role in cancer progression and their over-expression is often associated with unfavorable survival of non-small cell lung cancer (NSCLC). Because genetic variants can alter expression level or biological acti ...
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Journal articleCancer · April 15, 2009
BACKGROUND: The tumor protein p73 interacts with the human papillomavirus type 16 (HPV-16) oncoproteins E6 and E7, and p73 variation may modify the interaction between p73 protein and HPV-16 oncogenic proteins and contribute to cellular malignant transform ...
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Journal articleMol Carcinog · March 2009
GST Alpha 4 (GSTA4) has an important role in the protection against oxidative stress induced by carcinogens such as tobacco smoke. However, few studies investigated the association between GSTA4 polymorphisms and lung cancer risk. We genotyped three select ...
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Journal articleBreast Cancer Res Treat · March 2009
Estrogen plays a role in breast cancer development, and genetic polymorphisms in estrogen receptor gene ER-alpha and genes regulating estrogen biosynthesis and metabolisms are associated with the risk of breast cancer in women in western countries. Therefo ...
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Journal articleInt J Cancer · March 1, 2009
DNA repair is a complicated biological process, consisting of several distinct pathways, that plays a fundamental role in the maintenance of genomic integrity. The very important field of DNA repair and cancer risk has developed rapidly in the past decades ...
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Journal articleBioinformatics · March 1, 2009
UNLABELLED: Reverse phase protein arrays (RPPAs) are a powerful high-throughput tool for measuring protein concentrations in a large number of samples. In RPPA technology, the original samples are often diluted successively multiple times, forming dilution ...
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Journal articleThyroid · February 2009
BACKGROUND: Numerous single-nucleotide polymorphisms (SNPs) of the DNA repair gene XRCC1 have been described. These SNPs have been increasingly studied in the epidemiology of various cancer types. In this study we evaluated the risk association between six ...
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Journal articleLung Cancer · February 2009
GTF2H1, the p62 subunit of the multiprotein complex transcription factor IIH (TFIIH), participates in both the nucleotide excision repair process and transcription control by specifically interacting with a variety of factors important in carcinogenesis. T ...
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Journal articleCancer · February 1, 2009
BACKGROUND: Tobacco-specific nitrosamine 4-(methylnitrosamino)-1-(3-pyridyl)-1-butanone (NKK) is a well defined carcinogen that can induce lung cancer. Genetic polymorphisms in its disposition pathways could modify the risk of developing lung cancer. The a ...
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Journal articleCancer Epidemiol Biomarkers Prev · February 2009
BACKGROUND: The magnitude of risk conferred by the interaction between tobacco and alcohol use on the risk of head and neck cancers is not clear because studies have used various methods to quantify the excess head and neck cancer burden. METHODS: We analy ...
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Journal articleHead Neck · February 2009
BACKGROUND: Head and neck cancer is 1 of the major global health issues but received limited attention, and its incidence has rarely been systematically studied in China. METHODS: The population-based cancer registry of the urban Tianjin was used to examin ...
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Journal articleInt J Cancer · January 15, 2009
Alcohol and tobacco consumption are well-recognized risk factors for head and neck cancer (HNC). Evidence suggests that genetic predisposition may also play a role. Only a few epidemiologic studies, however, have considered the relation between HNC risk an ...
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Journal articleAm J Epidemiol · January 15, 2009
The authors pooled data from 15 case-control studies of head and neck cancer (9,107 cases, 14,219 controls) to investigate the independent associations with consumption of beer, wine, and liquor. In particular, they calculated associations with different m ...
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Journal articleCancer Lett · January 8, 2009
Nucleotide excision repair (NER) enzymes are critical for the removal of bulky DNA adducts caused by environmental carcinogens such as smoking. Of them, Cockayne syndrome complementation group B (CSB), coded by ERCC6, recruits NER repair factors to the DNA ...
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Journal articleCancer Epidemiol Biomarkers Prev · January 2009
It is generally accepted that glioma develops through accumulation of genetic alterations. We hypothesized that polymorphisms of candidate genes involved in the DNA repair pathways may contribute to susceptibility to glioma. To address this possibility, we ...
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Journal articleJ Toxicol Environ Health A · 2009
Circulating levels of insulin-like growth factor binding protein 3 (IGFBP3) are modulated by functional variants of IGFBP3 and therefore may be associated with higher risk of colorectal cancer development. However, few studies have investigated the role of ...
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Journal articlePharmacogenet Genomics · January 2009
BACKGROUND AND OBJECTIVE: Most of the carcinogenic effects of polycyclic aromatic hydrocarbons present in tobacco smoke are mediated by the aryl hydrocarbon receptor (AHR), a ligand-dependent transcription factor that regulates tobacco-induced expression o ...
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Journal articleClin Cancer Res · January 1, 2009
PURPOSE: Accumulative evidence suggests that interleukin-12 (IL-12) plays a central role in the Th1 responses and thus participates in the carcinogenesis of human papillomavirus-related cervical cancer. We hypothesized that potentially functional polymorph ...
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Journal articleCancer · December 15, 2008
BACKGROUND: The p53 tumor suppressor protein homolog p73 can be inactivated by oncoprotein E6 of human papillomavirus (HPV). Variation in p73 may alter the interaction between the E6 protein and p73 and, thus, alter the risk for HPV-associated carcinogenes ...
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Journal articleHum Mutat · December 2008
Caspase-8 (CASP8) and caspase-10 (CASP10) play key roles in regulating apoptosis, and their functional polymorphisms may alter apoptosis and cancer risk. However, no reported studies have investigated the association between such polymorphisms and the risk ...
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Journal articleAm J Respir Crit Care Med · December 1, 2008
RATIONALE: Tobacco smoking is responsible for 85% of all lung cancers. To further our understanding of the molecular pathogenesis of lung cancer, we determined whether smoking history leads to the emergence of specific genomic alterations found in non-smal ...
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Journal articleLung Cancer · December 2008
MBD4 (methyl-CpG binding domain protein 4) was identified as a methyl-CpG binding protein and plays an important role in DNA methylation and carcinogenesis. We hypothesized that genetic variants in MBD4 were associated with lung cancer risk. We selected an ...
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Journal articleCarcinogenesis · November 2008
Because p53 and p73 are associated with critical cellular processes and can be inactivated or degraded by the human papillomavirus (HPV) E6 oncoprotein, we investigated the combined effects of p53 codon 72 and p73 G4C14-to-A4T14 polymorphisms on the risk o ...
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Journal articleClin Cancer Res · October 1, 2008
PURPOSE: Caspase-3 plays a central role in executing cell apoptosis and thus in carcinogenesis, but little is known about the role of CASP3 variants in susceptibility to SCCHN. EXPERIMENTAL DESIGN: Genotype and haplotypes of the first intron (rs4647601:G>T ...
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Journal articleCancer Lett · September 8, 2008
DNA-methyltransferase-3B (DNMT3B) may play an oncogenic role during tumorigenesis, and its genetic variants have been reportedly to be associated with risk of several cancers, but few studies have investigated their roles in squamous cell carcinoma of the ...
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Journal articleCancer Prev Res (Phila) · September 2008
Risk prediction models are useful in clinical decision making. We have published an internally validated prediction tool for lung cancer based on easily obtainable epidemiologic and clinical data. Because the precision of the model was modest, we now estim ...
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Journal articleBiomarkers · September 2008
Polymorphisms of the methyl-CpG binding domain 1 (MBD1) gene may influence MBD1 activity on gene expression profiles, thereby modulating individual susceptibility to lung cancer. To test this hypothesis, we investigated the associations of four MBD1 polymo ...
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Journal articleCarcinogenesis · August 2008
Benzo[a]pyrene diol epoxide (BPDE)-induced DNA adducts are a risk factor for tobacco-related cancers. Excision repair cross-complementing complementation group 1 (ERCC1) and excision repair cross-complementing complementation group 2/xeroderma pigmentosum ...
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Journal articleCancer Epidemiol Biomarkers Prev · August 2008
Although active tobacco smoking has been identified as a major risk factor for head and neck cancer, involuntary smoking has not been adequately evaluated because of the relatively low statistical power in previous studies. We took advantage of data pooled ...
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Journal articleClin Cancer Res · July 1, 2008
PURPOSE: Human DNA glycosylases NEIL1 and NEIL2 participate in oxidized base excision repair and protect cells from DNA damage. NEIL1 (MIM:608844) and NEIL2 (MIM:608933) variants may affect their protein functions, leading to altered cell death and carcino ...
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Journal articleLung Cancer · July 2008
One-carbon metabolism facilitates the cross-talk between genetic and epigenetic processes, making it a good candidate for studying the risk of lung cancer. To investigate the role of common variants of one-carbon metabolizing genes on lung cancer risk, tot ...
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Journal articleBreast Cancer Res Treat · July 2008
The histone protein family member X (H2AFX) is important in maintaining chromatin structure and genetic stability. Genetic variants in H2AFX may alter protein functions and thus cancer risk. In this case-control study, we genotyped four common single nucle ...
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Journal articleCarcinogenesis · July 2008
MicroRNAs are non-coding small RNAs that regulate gene expression by Watson-Crick base pairing to target messenger RNA (mRNA). They are involved in most biological and pathological processes, including tumorigenesis. The binding of microRNA to mRNA is crit ...
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Journal articleCancer Epidemiol Biomarkers Prev · July 2008
The potentially functional polymorphism Ser326Cys in the human 8-oxoguanine DNA glycosylase (hOGG1) gene has been implicated in lung cancer risk, but published studies have mixed findings. To summarize published data, we did a comprehensive meta-analysis. ...
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Journal articleCancer Causes Control · June 2008
During the past three decades, the social/natural environment and lifestyle of people in China have undergone a marked transformation to westernization. However, age-standardized cancer rates have not been determined to any great extent in China. In this s ...
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Journal articleClin Cancer Res · June 1, 2008
PURPOSE: MDM2 is believed to regulate the p53 level in modulating DNA repair, cell cycle control, cell growth, and apoptosis. We hypothesize that genetic variants in the MDM2 gene are associated with risk of bladder cancer. EXPERIMENTAL DESIGN: We first co ...
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Journal articleCancer Res · June 1, 2008
In 895 subjects with squamous cell carcinoma of the head and neck (SCCHN) and 898 cancer-free controls matched by age, sex, and ethnicity, we validated our previous finding that mutagen sensitivity as measured by the frequency of chromatid breaks in vitro ...
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Journal articleCancer Epidemiol Biomarkers Prev · June 2008
Besides secondhand smoke exposure, few other risk factors for lung cancer in lifetime never smokers have been identified. We present the estimates of lung cancer risk associated with suboptimal DNA repair capacity (DRC) measured by the host-cell reactivati ...
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Journal articleGenet Med · June 2008
The association of GSTM1 and CYP1A1 polymorphisms and oral and pharyngeal cancers was assessed through a meta-analysis of published case-control studies and a pooled analysis of both published and unpublished case-control studies from the Genetic Susceptib ...
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Journal articleLung Cancer · June 2008
ERCC4/XPF protein plays an important role in the nucleotide excision repair (NER) pathway, and deficiencies in the gene encoding it can lead to a repair-deficiency syndrome, xeroderma pigmentosum group F (XP-F). Common variants on this gene are assumed to ...
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Journal articleLung Cancer · June 2008
Exonuclease 1 (EXO1) is an important nucleases involved in mismatch repair system that contributes to maintain genomic stability, to modulate DNA recombination, and to mediate cell cycle arrest. Potentially functional polymorphisms in EXO1 may alter cancer ...
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Journal articleInt J Cancer · May 1, 2008
In a hospital-based case-control study of 805 non-Hispanic whites with cutaneous melanoma and 841 cancer-free age-, sex- and ethnicity-matched control subjects, 3 VDR polymorphisms (i.e., TaqI, BsmI and FokI) were genotyped using blood samples collected be ...
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Journal articleCarcinogenesis · May 2008
Magnesium (Mg) is required for maintenance of genomic stability; however, data on the relationship between dietary Mg intake and lung cancer are lacking. In an ongoing lung cancer case-control study, we identified 1139 cases and 1210 matched healthy contro ...
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Journal articleClin Cancer Res · May 1, 2008
PURPOSE: DNA damage checkpoints are initiated by its sensor proteins of the phosphoinositide-3-kinase-related protein kinase family, including ataxia-telangiectasia mutated, ataxia-telangiectasia and Rad3-related, and DNA-dependent protein kinase catalytic ...
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Journal articleCancer Sci · April 2008
The etiology of esophageal squamous cell carcinoma (ESCC) has been shown to be multifactorial, including genetic, epigenetic, and environmental factors, such as tobacco smoking. A variable number of tandem repeats (VNTR) polymorphism in the promoter region ...
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Journal articleCarcinogenesis · April 2008
The tumor suppressor p53 protein can be bound, degraded and inactivated by the human papillomavirus (HPV) E6 oncoprotein. The p53 protein's susceptibility to this oncoprotein may be influenced by the p53 codon 72 polymorphism, but the role of such a polymo ...
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Journal articleHead Neck · March 2008
BACKGROUND: The purpose of this study was to examine the association between 4 Fas single nucleotide polymorphisms (SNPs) and risk of differentiated thyroid carcinoma (DTC) and salivary gland carcinoma (SGC). METHODS: We conducted a case-control study incl ...
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Journal articleHum Mutat · March 2008
Although the role of environmental risk factors in the etiology of gliomas remains to be elucidated, accumulative epidemiological evidence suggests that genetic factors, such as variants in genes involved in DNA repair, may also play an important role. LIG ...
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Journal articleCarcinogenesis · February 2008
Accumulating evidence indicates that activation of the peroxisome proliferator-activated receptor-gamma (PPAR-gamma) dampens the inflammation cascade and inhibits tumor growth of the lung, suggesting that it has tumor suppressor functions. We performed a c ...
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Journal articleLung Cancer · February 2008
DNA mismatch repair (MMR) plays an important role in maintaining genome stability. Defects in MMR genes have been involved in several types of sporadic and hereditary cancers. hMLH1 is considered one of central members of the MMR pathway. We conducted a ho ...
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Journal articlePlast Reconstr Surg · February 2008
BACKGROUND: The authors examined whether the preoperative serum concentrations of cotinine accurately predict the risk of complications in patients undergoing flap reconstruction of head and neck cancer defects. METHODS: Patients with incident stage III or ...
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Journal articleCell Stress Chaperones · 2008
BACKGROUND: High levels of circulating heat shock protein 60 (Hsp60) and antibody to human Hsp60 have been associated with greater risk of coronary heart disease (CHD) in several studies, but associations between polymorphisms of the hsp60 gene and CHD ris ...
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Journal articleHead Neck · January 2008
BACKGROUND: While the attributed risk factors for the vast majority of patients with squamous cell carcinoma of the head and neck (SCCHN) are smoking and alcohol abuse, there appears to be a rising proportion of SCCHN patients who report no significant smo ...
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Journal articleInt J Cancer · December 15, 2007
Cigarette smoking is a major risk factor for squamous cell carcinoma of the head and neck (SCCHN), but only a fraction of those exposed to cigarette smoke develops SCCHN, suggesting variation in individual susceptibility. Tobacco smoke contains a number of ...
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Journal articleJ Toxicol Environ Health A · December 2007
A meta-regression analysis was undertaken to evaluate the association between delta-aminolevulinic acid dehydratase (ALAD) genotypes and blood lead levels obtained from data published in various journals. In total, 15 studies were included in the final ana ...
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Journal articleJ Pediatr Hematol Oncol · December 2007
Defective apoptosis signaling by the Fas pathway has carcinogenic implications. We analyzed 123 pediatric patients with osteosarcoma for Fas single nucleotide polymorphisms: 2 of the promoter region (-1377 G>A and -670 A>G) and 2 of the coding region (exon ...
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Journal articleBiomed Environ Sci · December 2007
OBJECTIVE: To establish the association between genetic polymorphisms of HLA-DMA and HLA-DMB and risk of developing trichloroethylene-induced medicamentosa-like dermatitis (TIMLD). METHODS: Sixty-one cases were medically confirmed to have been affected wit ...
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Journal articleCancer Epidemiol Biomarkers Prev · December 2007
In a large case-control study, we previously reported that dietary intakes of zinc (Zn) and copper (Cu), but not selenium (Se), were inversely associated with lung cancer risk. Because Zn, Cu, Se, iron (Fe), and calcium (Ca) are important for maintaining D ...
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Journal articleOccup Environ Med · November 2007
OBJECTIVES: Coke oven emissions (COE) containing polycyclic aromatic hydrocarbons (PAHs) can induce both benzo[a]pyrene-r-7, t-8, t-9,c-10-tetrahydotetrol-albumin (BPDE-Alb) adducts and DNA damage. However, the relation between these biomarkers for early b ...
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Journal articleProteomics · November 2007
Prolonged cell proliferation in response to irritation by bladder calculi can evoke malignant transformation of the urothelium. However, the molecular mechanisms responsible for calculi-associated bladder carcinogenesis are unknown. We compared the protein ...
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Journal articleLung Cancer · November 2007
The incidence of lung cancer has been increasing over recent decades. Previous studies show that polymorphisms of the genes involved in carcinogen-detoxication, DNA repair and cell cycle control compose of the risk factors for lung cancer. Recent observati ...
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Journal articleClin Cancer Res · November 1, 2007
PURPOSE: To examine the role of suboptimal DNA repair capacity (DRC) for UV light-induced DNA damage in the development of nonmelanoma skin cancer (NMSC) and tumor progression. EXPERIMENTAL DESIGN: We conducted a hospital-based case-control study of 255 pa ...
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Journal articleCarcinogenesis · September 2007
Tumor protein 53 (TP53), a transcriptional factor, induces expression of the B-cell lymphoma 2-associated X protein (BAX) gene by directly binding to the TP53-binding element in the BAX promoter but inhibits B-cell lymphoma 2 (BCL2) promoter-driven transcr ...
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Journal articleCarcinogenesis · September 2007
Ionizing radiation is known to cause DNA damage, including single-strand and double-strand DNA breaks (DSBs), and the unrepair of DNA damage, particularly DSBs, may cause chromosome aberrations. Although the etiology of gliomas remains unclear, exposure to ...
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Journal articleCancer · August 15, 2007
BACKGROUND: Tobacco smoke contains numerous carcinogens that cause DNA damage, including oxidative lesions that are removed effectively by the base-excision repair (BER) pathway, in which adenosine diphosphate ribosyl transferase (ADPRT), x-ray repair cros ...
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Journal articleCancer Epidemiol Biomarkers Prev · August 2007
Susceptibility to cancer has been associated with DNA repair capacity, a global reflection of all functional variants, most of which are relatively rare. Among the 1,098 single nucleotide polymorphisms (SNP) identified in the eight core nucleotide excision ...
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Journal articleZhonghua Liu Xing Bing Xue Za Zhi · August 2007
OBJECTIVE: To discuss the estimation on gene-environment interaction in partial case-control studies when gene information of the controls was partly missing. METHODS: The results of hot deck multiple imputation and listwise deletion analysis were compared ...
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Journal articleLung Cancer · August 2007
Suboptimal DNA repair capacity is a risk factor for cancer that may be modulated by dietary nutrient intake, and serine hydroxymethyltransferase (SHMT) participates in folate metabolism and synthesis of purines and pyrimidines needed for DNA repair. Theref ...
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Journal articleClin Cancer Res · July 15, 2007
PURPOSE: Tumor protein 53-binding protein 1 (TP53BP1) and TP53 interact during TP53-mediated transcriptional activation and during checkpoint activation in response to DNA damage. Because suboptimal repair of tobacco-induced DNA damage is associated with r ...
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Journal articleCancer · July 15, 2007
BACKGROUND: X-ray repair cross complementing group 1 (XRCC1) is important in the repair of single-strand DNA breaks caused by endogenous oxidative species and exogenous carcinogens. METHODS: This tertiary cancer center-based, case-control association study ...
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Journal articleCarcinogenesis · July 2007
The nicotine-derived nitrosamine 4-(methylnitrosamino)-1-(3-pyridyl)-1-butanone (NNK) induces lung adenocarcinoma through formation of DNA adducts. Our previous research on susceptibility to tobacco-induced carcinogenesis focused on benzo[a]pyrene diol epo ...
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Journal articleHead Neck · July 2007
The risk association between tobacco and alcohol use with squamous cell carcinoma of the head and neck (SCCHN) is well recognized. However, clearly not all individuals who smoke or drink develop SCCHN. Individual genetic susceptibility differences in carci ...
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Journal articleCancer Res · June 15, 2007
In this large confirmatory study of 803 patients with squamous cell carcinoma of head and neck (SCCHN) and 839 controls frequency matched by age, sex, and ethnicity, we further examined potential predictors of benzo[a]pyrene diol epoxide (BPDE)-induced add ...
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Journal articleJ Toxicol Environ Health A · June 2007
The JWA gene is a novel cell differentiation-related gene thought to be a responsive gene in response to DNA damage and repair induced by environmental stressors. Recently, a novel single nucleotide polymorphism (SNP) was identified in the promoter of the ...
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Journal articleFree Radic Biol Med · June 1, 2007
Oxidative stress has been implicated as one of the primary mechanisms inducing DNA damage and believed to mediate aging and progression of numerous age-related diseases, including cancer. JWA, a gene previously described to mediate differentiation of leuke ...
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Journal articleJ Toxicol Environ Health A · June 2007
Recently, a novel single nucleotide polymorphism (SNP) in the promoter of the JWA gene (-76G --> C) was identified that may alter the transcription activity and thus play a role in increased risk of bladder cancer. In this study, a screen for more novel va ...
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Journal articlePharmacogenet Genomics · June 2007
BACKGROUND AND OBJECTIVE: Low nucleotide excision repair (NER) capacity has been associated with increased risk of lung cancer. Excision repair cross-complementing group 1 (ERCC1) is one of the NER core enzymes, and polymorphisms in ERCC1 may lead to alter ...
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Journal articleJ Natl Cancer Inst · May 16, 2007
BACKGROUND: At least 75% of head and neck cancers are attributable to a combination of cigarette smoking and alcohol drinking. A precise understanding of the independent association of each of these factors in the absence of the other with the risk of head ...
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Journal articleBMC Cancer · May 13, 2007
BACKGROUND: The nucleotide excision repair (NER) protein, xeroderma pigmentosum C (XPC), participates in recognizing DNA lesions and initiating DNA repair in response to DNA damage. Because mutations in XPC cause a high risk of cancer in XP patients, we hy ...
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Journal articleCarcinogenesis · May 2007
RAD51 participates in homologous recombination (HR) repair of double-stranded DNA breaks (DSBs) that may cause genomic instability and cancer. Two single-nucleotide polymorphisms (SNPs) and three P53 binding sites have been found in the RAD51 promoter and ...
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Journal articleBreast Cancer Res Treat · May 2007
The BRCA1 Associated RING Domain (BARD1) gene has been identified as a high penetrance gene for breast cancer, whose germline and somatic mutations were reported in both non-BRCA1/2 hereditary site-specific and sporadic breast cancer cases. BARD1 plays a c ...
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Journal articleHum Mutat · May 2007
O6-alkylguanine-DNA alkyltransferase (MGMT) is a universal DNA repair protein involved in the DNA direct reversal repair pathway that copes with alkylating carcinogens. Reduced MGMT expression as well as enzyme activity may result in an increased susceptib ...
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Journal articleCancer · April 15, 2007
BACKGROUND: Nitric oxide (NO) is a multifunctional molecule that is produced by both neuronal NO synthase (nNOS) and inducible NO synthase (iNOS), and the expression of nNOS and iNOS is up-regulated in various cancer cells, including cutaneous melanoma (CM ...
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Journal articleJ Proteome Res · April 2007
DNA repair should occur after cells sense DNA damage signals and undergo cell-cycle arrest to provide sufficient time for DNA repair, and suboptimal DNA repair capacity (DRC) in peripheral lymphocytes has been suggested as a cancer susceptibility marker. N ...
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Journal articleJ Invest Dermatol · February 2007
Sunlight causes DNA damage but also induces production of vitamin D whose metabolite 1,25-(OH)2D3 has antiproliferative and pro-differentiative effects in both melanocytes and cutaneous melanoma (CM) cells mediated through the vitamin D receptor (VDR). We ...
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Journal articleJ Invest Dermatol · January 2007
The UV radiation-mimetic chemical 4-nitroquinoline-1-oxide (4-NQO) is thought to induce squamous cell carcinoma (SCC) similar to those induced by UV radiation in animals. Therefore, we tested the hypothesis that cellular sensitivity to 4-NQO is associated ...
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Journal articleCell Stress Chaperones · 2007
Atrial fibrillation (AF) is the most common sustained arrhythmia. Because heat shock proteins (Hsp) can protect cells from stress, we compared the levels of Hsp60, Hsp72, Hsc73, and Hsp27 in atrial myocardium from 17 patients with AF (8 paroxysmal and 9 pe ...
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Journal articleCancer Epidemiol Biomarkers Prev · December 2006
Sunlight causes DNA damage, including bulky lesions that are removed effectively by the nucleotide-excision repair (NER) pathway. There are at least eight core NER proteins participating in the pathway, and genetic variations in their genes may alter NER f ...
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Journal articleCancer Epidemiol Biomarkers Prev · December 2006
O6-methylguanine, a methylated damage lesion in DNA, correlates with spontaneous G:C --> A:T transition mutations and leads to activation of oncogene K-ras or dysfunction of the tumor suppressor gene p53. O6-methylguanine-DNA methyltransferase (MGMT) is cr ...
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Journal article · December 1, 2006
Melanoma is relatively uncommon compared with nonmelanoma skin cancers, but it causes a vast majority of skin-cancer deaths. Sunlight exposure, particularly intermittent sun exposure early in life, is a well-established risk factor for melanoma. Because on ...
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Journal articleCarcinogenesis · November 2006
DNA double-strand breaks (DSBs) may lead to genomic instability and cancer if unrepaired. Nijmegen breakage syndrome 1 (NBS1) protein is one of the key proteins that participates in recognition and repair of DSBs in humans. We hypothesized that polymorphis ...
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Journal articleCancer · November 1, 2006
BACKGROUND: Nitric oxide (NO) is constitutively synthesized in the endothelium by endothelial nitric oxide synthase (eNOS) and acts as a pleiotropic regulator involved in carcinogenesis. Most breast cancers develop from mammary epithelial cells; therefore, ...
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Journal articleInt J Cancer · November 1, 2006
p21(Cip1) and p27(Kip1) are cyclin-dependent kinase inhibitors, which can arrest cell proliferation and serve as tumor suppressors. Reduced protein expression of p21(Cip1) and p27(Kip1) was frequently observed in a subset of cancers, including breast cance ...
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Journal articleToxicol Lett · October 25, 2006
Benzo(a)pyrene (BaP), a ubiquitous environmental pollutant known to cause many diseases including atherosclerosis, induces a dose-dependent reduction in the levels of the inducible Hsp70. To explore the mechanism underlying the reduction of Hsp70, we measu ...
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Journal articleCarcinogenesis · October 2006
The MDM2 protein negatively regulates p53 expression level in modulating DNA repair, cell-cycle control, cell growth and apoptosis. Polymorphisms in the promoter region of the MDM2 gene have been shown to alter protein expression and may, thus, play a role ...
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Journal articleZhonghua Yi Xue Yi Chuan Xue Za Zhi · October 2006
OBJECTIVE: To investigate the association of polymorphisms of CDT1 and GMNN gene, two important genes participating in DNA replication, with the risk of sporadic breast cancer. METHODS: Using polymerase chain reaction-restriction fragment length polymorphi ...
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Journal articleClin Cancer Res · September 15, 2006
PURPOSE: Alteration of the FAS/FAS ligand (FASLG) pathway regulating cell death may lead to cancer development, but the effects of functional promoter polymorphisms of the FAS and FASLG genes on risk of squamous cell carcinoma of the head and neck (SCCHN) ...
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Journal articleCarcinogenesis · September 2006
Sunlight causes various kinds of DNA damage, including oxidative lesions that are removed effectively by the base excision repair (BER) pathway, in which ADPRT, XRCC1 and APE1 play a key role. However, genetic variation in these genes may alter their funct ...
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Journal articleCancer Epidemiol Biomarkers Prev · September 2006
Accumulating evidence has shown that both DNA damage caused by the metabolites of polycyclic aromatic hydrocarbons (PAH) and genetic polymorphisms in PAH-metabolic genes contribute to individual susceptibility to PAH-induced carcinogenesis. However, the fu ...
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Journal articleCancer Lett · August 28, 2006
The incidence of lung adenocarcinoma (AC) has been increasing over recent decades. The tobacco carcinogen 4-(methylnitrosamino)-1-(3-pyridyl)-1-butanone (NNK) is one of the most potent carcinogens and reproducibly induces a high incidence of lung AC in lab ...
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Journal articleCancer Lett · August 28, 2006
MDM2 is a phosphoprotein that interacts with P53 and inhibits its activity. Recently, a T/G substitution (SNP309) in the promoter of MDM2 was identified and has been demonstrated to be associated with an increased MDM2 expression and a significantly earlie ...
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Journal articleArch Otolaryngol Head Neck Surg · July 2006
OBJECTIVE: To determine the association between glutathione S-transferase (GST) polymorphisms and the risk of differentiated thyroid carcinoma (DTC) and benign thyroid tumors. DESIGN: Case-control study. SETTING: Tertiary care cancer center. PATIENTS: Two ...
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Journal articleCarcinogenesis · July 2006
DNA damage binding protein 2 (DDB2) is one of the major DNA repair proteins involved in the nucleotide excision repair (NER) pathway. Mutations in the DDB2 gene can cause a repair-deficiency syndrome xeroderma pigmentosum group E. Because tobacco carcinoge ...
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Journal articleCancer Epidemiol Biomarkers Prev · July 2006
The transcription factor IIH (TFIIH) helicases ERCC2/XPD and ERCC3/XPB are responsible for opening the DNA strand around the lesion site during nucleotide excision repair process. Genetic variants in these two genes may be markers for interindividual varia ...
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Journal articleMutagenesis · July 2006
Mutagen sensitivity is regarded as a genetic susceptibility phenotype for various cancers; it is cytogenetically based and probably involves a number of genes from different DNA repair pathways. This assay has been used in a number of laboratories in the f ...
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Journal articleToxicol Lett · June 20, 2006
The developing nervous system is preferentially vulnerable to lead exposure with alterations in neuronal and glial cells of the brain. Chronic exposure to lead (Pb2+) causes deficits of learning and memory in children and spatial learning deficits in devel ...
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Journal articleOncogene · June 15, 2006
X-ray repair cross-complementing 1 (XRCC1) plays a key role in DNA base excision repair and cells lacking its activity are hypersensitive to DNA damage. Recently, we reported a SNP (rs3213245, -77T>C) in the XRCC1 gene 5' untranslated region (UTR) was sign ...
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Journal articleBMC Cancer · May 25, 2006
BACKGROUND: Accumulative evidence suggests that low folate intake is associated with increased risk of breast cancer. Polymorphisms in genes involved in folate metabolism may influence DNA methylation, nucleotide synthesis, and thus individual susceptibili ...
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Journal articleInt J Cancer · May 15, 2006
Interleukin 1beta (IL-1beta) is a multifunctional cytokine that upregulates the inflammatory response, and participates in carcinogenesis, malignant transformation, tumor growth, invasion and metastasis. Two potentially functional polymorphisms (T-31C and ...
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Journal articleCancer Epidemiol Biomarkers Prev · May 2006
Hereditary nonpolyposis colorectal cancer (HNPCC) is an autosomal dominant syndrome of familial malignancies resulting from germ-line mutations in DNA mismatch repair genes. Colorectal and endometrial cancers are most frequently observed. A polymorphic C-t ...
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Journal articlePharmacogenet Genomics · April 2006
The FAS/FAS ligand (FASLG) system has a key role in regulating cell growth and thus tumorigenesis. Functional promoter polymorphisms of the FAS and FASLG genes alter the transcriptional activities, but no published study has investigated the role of these ...
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Journal articleToxicol Sci · April 2006
The molecular mechanisms potentially related to tumorigenesis induced by anti-benzo[a]pyrene-7,8-diol-9,10-epoxide (anti-BPDE) were investigated by suppression subtractive hybridization of the human bronchial epithelial cells (16HBE) carcinoma induced by B ...
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Journal articlePharmacogenet Genomics · April 2006
BACKGROUND: FAS and FASLG together initiate apoptosis, which prevents tumor development. FAS and FASLG polymorphisms in the promoter regions can alter the transcriptional activities and thus alter risk of cancer. We hypothesized that the FAS -1377G>A, -670 ...
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Journal articleCarcinogenesis · April 2006
p53-binding protein 1 (P53BP1), a central transducer of DNA-damage signals to p53, is required for both intra-S-phase and G2-M checkpoints, suggesting that these two proteins may work together in the p53-mediated transcriptional activation and DNA damage-r ...
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Journal articleJ Clin Oncol · April 1, 2006
PURPOSE: Glioblastoma multiforme (GBM) is the most common and aggressive glioma with the poorest survival. Use of biomarkers for screening patients with GBM may be used to modify treatments and improve outcomes. The level of human telomerase (hTERT) expres ...
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Journal articleInt J Cancer · March 1, 2006
Overexpression of MDM2 may attenuate the P53 stress response pathway through direct blocking of P53 transcriptional activity and mediating P53 degradation. Two promoter polymorphisms (one is a T to G substitution at the intronic P53-response promoter, and ...
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Journal articleInt J Radiat Oncol Biol Phys · March 1, 2006
PURPOSE: To test the hypothesis that TS3'UTR polymorphisms predict outcomes in 146 Caucasian patients with esophageal adenocarcinoma treated with preoperative 5-fluorouracil-based chemoradiation. METHODS AND MATERIALS: DNA was extracted from hematoxylin-an ...
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Journal articleCancer Biol Ther · March 2006
Allelic loss of the short arm of chromosome 1 has been observed frequently in oligodendroglioma (60-80%). We evaluated 177 oligodendroglial tumor samples and defined a consensus region of deletion of approximately 630 kb. This region contains a single gene ...
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Journal articleCell Stress Chaperones · 2006
Severe noise exposure can induce heat shock proteins (Hsps), and exposure to moderate noise has been reported to confer protection against noise-induced damage to hearing. Whether there is any association of genetic variation in both constitutive and induc ...
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Journal articleCancer Epidemiol Biomarkers Prev · January 2006
Lung cancer is a multigenic disease where one variant single nucleotide polymorphism may have only a modest independent effect on the disease phenotype, yet in aggregate, multiple biologically relevant single nucleotide polymorphisms may provide a more acc ...
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Journal articleZhonghua Liu Xing Bing Xue Za Zhi · January 2006
OBJECTIVE: To introduce the approaches for estimating gene-environment interaction based on partial case-control studies. METHODS: The effects of logistic model and log-linear model for estimating the main effects and gene-environment interaction effect we ...
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Journal articleCell Stress Chaperones · 2006
Heat shock protein 70 (Hsp70) comprises proteins that have been reported to protect cells, tissues, and organisms against damage from a wide variety of stressful stimuli; however, little is known about whether Hsp70 protects against DNA damage. In this stu ...
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Journal articleJ Natl Cancer Inst · December 21, 2005
BACKGROUND: Mutagen sensitivity, measured as mutagen-induced chromatid breaks per cell in primary lymphocytes in vitro, has been used to study susceptibility to various epithelial cancers. Patients with xeroderma pigmentosum are highly sensitive to ultravi ...
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Journal articleCancer · December 15, 2005
The theme for the 2004 AANCART Academy, "Community Partnerships for Cancer Control: From Vision to Synergy to Reality", characterizes Best Practices for the Houston AANCART site. Researchers and community members share a common vision for addressing the ca ...
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Journal articleCarcinogenesis · October 2005
Fruits and certain vegetables have a protective effect on gastric cancer (GC) and folate is one of the nutrients in fruits and vegetables. We hypothesized that the polymorphisms of thymidylate synthase (TYMS) gene involved in folate metabolism are associat ...
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Journal articleCancer Lett · September 8, 2005
Methylating agents are involved in bladder carcinogenesis. O6-Methylguanine-DNA methyltransferase (MGMT) is a DNA repair protein that removes methyl group from O6-methylguanine and thus plays an important role in the etiology of cancer. We hypothesized tha ...
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Journal articleCarcinogenesis · September 2005
The p21 (Waf1/Cip1/CDKN1A) protein regulates the transition from the G1 to the S phase and has an important role in modulating cell-cycle control, apoptosis and cell growth. Two polymorphisms of the p21 gene at codon 31 (p21 C98A, dbSNP rs1801270) and at t ...
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Journal articleCancer Epidemiol Biomarkers Prev · August 2005
The transcript levels of nucleotide excision repair (NER) genes were shown to be associated with risk of squamous cell carcinomas of the head and neck (SCCHN). However, this association may be biased, because the transcript level does not necessarily refle ...
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Journal articleClin Cancer Res · August 1, 2005
PURPOSE: Matrix metalloproteinase 9 (MMP-9) plays critical roles in cancer development and aggression. Nonsynonymous single-nucleotide polymorphisms (SNP) in the functional domain of the MMP-9 gene may influence substrate and inhibitor binding and contribu ...
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Journal articlePharmacogenet Genomics · August 2005
Low dietary intake of fruits and vegetables, particularly folate deficiency, has been associated with the risk of squamous cell carcinoma of the head and neck (SCCHN). We hypothesized that polymorphisms of the cytosolic serine hydroxymethyltransferase (SHM ...
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Journal articlePharmacogenet Genomics · August 2005
Although tobacco is the major lung cancer risk factor, folate deficiency has also been implicated as a risk. Methionine synthase (MS; gene symbol, MTR) and methionine synthase reductase (MSR; gene symbol, MTRR) play important roles in the folate metabolism ...
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Journal articleClin Cancer Res · July 1, 2005
PURPOSE: The purpose of this research was to compare methylation status and mRNA expression of p15INK4b and p16INK4a in serous epithelial ovarian cancer tissues and normal ovarian tissues. EXPERIMENTAL DESIGN: We analyzed the DNA methylation status and mRN ...
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Journal articlePharmacogenet Genomics · July 2005
X-ray repair cross complementing group 1 (XRCC1) is one of the major DNA repair proteins involved in the base-excision repair pathway. Functional Polymorphisms in the XRCC1 gene may lead to decreased DNA repair capacity and thus confer inherited predisposi ...
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Journal articleInt J Radiat Oncol Biol Phys · July 1, 2005
PURPOSE: ERCC4 (XPF) plays a role in both recombinant DNA repair and nucleotide excision repair, which involve repairing radiation-induced genetic damage. We hypothesized that two ERCC4 single-nucleotide polymorphisms are associated with normal-tissue toxi ...
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Journal articleCancer Epidemiol Biomarkers Prev · July 2005
Several potential functional polymorphisms (Arg194Trp, Arg280His, Arg399Gln) in the DNA base excision repair gene X-ray repair cross-complementing group 1 (XRCC1) have been implicated in cancer risk. Our meta-analysis on total of 11,957 cancer cases and 14 ...
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Journal articleInt J Cancer · June 20, 2005
DNA repair is central to normal cellular functions, and polymorphisms of DNA repair genes may cause variation in DNA repair capacity in the general population. Newly identified polymorphisms of xeroderma pigmentosum group C (XPC), one of the nucleotide exc ...
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Journal articleClin Cancer Res · June 15, 2005
PURPOSE: Genetic polymorphisms of DNA repair genes seem to determine the DNA repair capacity, which in turn may affect the risk of breast cancer. To evaluate the role of genetic polymorphisms of DNA repair genes in breast cancer, we conducted a hospital-ba ...
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Journal articleLaryngoscope · June 2005
BACKGROUND: Radiation is the only clear etiologic agent for differentiated thyroid cancer (DTC). Understanding the factors affecting sensitivity to gamma radiation and susceptibility to DTC will be critical to early detection and prevention of DTC. HYPOTHE ...
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Journal articleLaryngoscope · June 2005
OBJECTIVE: To determine whether common (allele frequencies > 5%) single nucleotide polymorphisms located in exons 2, 7, 11, 13, 14, and 15 of the RET proto-oncogene are associated with risk of differentiated thyroid carcinoma (DTC). STUDY DESIGN: Hospital- ...
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Journal articleCancer Epidemiol Biomarkers Prev · June 2005
Methylenetetrahydrofolate reductase (MTHFR) catalyzes the metabolism of folate and nucleotides needed for DNA synthesis and repair. Variations in MTHFR functions likely play roles in the etiology of lung cancer. The MTHFR gene has three nonsynonymous singl ...
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Journal articleInt J Cancer · May 20, 2005
Folate deficiency is implicated in cancer risk that may be modulated by a genetic variation in the methylenetetrahydrofolate reductase (MTHFR) gene in folate metabolism. We hypothesized that genetic variants in MTHFR are associated with risk of squamous ce ...
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Journal articleCancer Epidemiol Biomarkers Prev · May 2005
Although tobacco and alcohol use are the major risk factors, folate deficiency has been implicated in the risk of squamous cell carcinoma of the head and neck (SCCHN). We hypothesized that polymorphisms of methionine synthase (MTR) and methionine synthase ...
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Journal articleInt J Cancer · April 10, 2005
p73, a structural and functional homologue of p53, shares some p53-like tumor suppressor activity but also possesses oncogenic activity. Therefore, p73 plays an important role in modulating cell-cycle control and apoptosis. A potentially functional dinucle ...
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Journal articleLung Cancer · April 2005
Cyclooxygenases (COXs) are key enzymes that convert arachidonic acid to prostaglandins. Overexpression of COX-2, one of the COX isozymes, has been shown to be an early event in lung carcinogenesis and may play an important role in lung cancer development. ...
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Journal articleCancer Epidemiol Biomarkers Prev · April 2005
To evaluate the role of genetic polymorphisms of ataxia telangiectasia mutated (ATM) in the etiology of breast cancer, a hospital-based case-control study was conducted in Korea. Nine-hundred ninety-six histologically confirmed incident breast cancer cases ...
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Journal articlePharmacogenet Genomics · March 2005
Vitamin D has potent anti-tumour properties. Calcitriol [1,25(OH)2D3], the hormonal derivative of vitamin D3, is an antiproliferative and prodifferentiation factor for several cell types, including human squamous cells of the head and neck. Several polymor ...
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Journal articleCarcinogenesis · March 2005
Although tobacco smoking is the primary risk factor for lung cancer, low dietary folate intake and suboptimal DNA repair capacity also contribute to lung cancer risk. Thymidylate synthase (TYMS) is involved in the metabolism of folate and the provision of ...
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Journal articleRespir Res · February 14, 2005
BACKGROUND: The heat shock proteins (Hsps) are induced by stresses such as allergic factors and inflammatory responses in bronchi epithelial cells and therefore may be detectable in patients with asthma. However, the etiologic link between anti-Hsps and as ...
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Journal articleThyroid · February 2005
In vitro gamma-radiation-induced chromatid breaks per cell (b/c) in lymphocytes may be associated with risk of papillary thyroid cancer (PTC). This pilot case-control study involved 106 patients with thyroid disease (57 with PTC and 49 with benign thyroid ...
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Journal articleMol Carcinog · February 2005
DNA repair is a complicated biological process consisting of several distinct pathways that play a central role in maintaining genomic stability. Research on DNA repair and cancer risk is a vital, emerging field that recently has seen rapid advances facili ...
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Journal articleOncol Rep · February 2005
Studies have suggested that low dietary folate intake is associated with an increased risk of gastric cancer. Methylenetetrahydrofolate reductase (MTHFR) is involved in folate metabolism and influences DNA methylation and nucleotide synthesis. MTHFR is hig ...
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Journal articleCancer Res · February 1, 2005
Adenosine diphosphate ribosyl transferase (ADPRT) and X-ray repair cross-complementing 1 (XRCC1) are two major DNA base excision repair (BER) proteins and act interactively in stimulating and executing BER processes. Polymorphisms of ADPRT Val762Ala and XR ...
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Journal articleHead Neck · January 2005
BACKGROUND: Squamous cell carcinoma of the laryngopharynx has been linked to laryngopharyngeal reflux disease. Helicobacter pylori corpus gastritis decreases gastric acid secretion and provides some protection against complications of gastroesophageal refl ...
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Journal articleCell Stress Chaperones · 2005
High-altitude illness (HAI) is a potentially fatal condition involving genetic and environmental components. Accumulated experimental evidence suggests that heat shock proteins (Hsps), especially HSP70, can protect cells and organs against different types ...
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Journal articleCell Stress Chaperones · 2005
In the living and working environment, stressful factors, such as noise, can cause health problems including cardiovascular diseases and noise-induced hearing loss. Some heat shock proteins (Hsps) play an important role in protecting cardiac cells against ...
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Journal articleSemin Oncol · December 2004
Although more common in developing countries, over 11,000 deaths will occur in the United States from head and neck cancer in 2004. Squamous cell carcinomas account for the vast majority of cases in the United States and the majority of these are related t ...
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Journal articleClin Cancer Res · December 1, 2004
PURPOSE: Folate deficiency and reduced DNA repair capacity are established risk factors for squamous cell carcinoma of the head and neck (SCCHN). We hypothesized that polymorphisms of the thymidylate synthase (TYMS) gene, which regulates a key enzyme in fo ...
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Journal articleCancer Lett · November 25, 2004
Studies suggest that IL-1beta (encoded by IL-1B gene) is a pro-inflammatory cytokine and potent inhibitor of gastric acid secretion, which is proposed as a key determinant in gastric carcinogenesis. Two potentially functional polymorphisms (C-31T and T-511 ...
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Journal articleMol Cells · October 31, 2004
DNA repair capacity in a cell could be detected by a host-cell reactivation assay (HCR). Since relation between DNA repair and genetic susceptibility to cancer remains unclear, it is necessary to identify DNA repair defects in human cancer cells. To assess ...
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Journal articleCarcinogenesis · October 2004
p73, a novel p53 homolog, has some p53-like activity and plays an important role in modulating cell-cycle control, apoptosis and cell growth. p73 regulates differentiation of head and neck squamous epithelium, and changes in p73 may lead to the development ...
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Journal articleLung Cancer · October 2004
Interindividual variation in lung cancer susceptibility may be modulated in part through genetic polymorphisms in the DNA repair genes, especially the genes involved in the nucleotide excision repair (NER) pathway. The xeroderma pigmentosum complementary g ...
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Journal articleJ Clin Oncol · October 1, 2004
PURPOSE: To compare survival rates between patients with squamous cell carcinoma of the head and neck (SCCHN) without a history of smoking (never smokers) and those with a current or previous history of smoking (ever smokers). PATIENTS AND METHODS: Fifty n ...
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Journal articleCancer Res · October 1, 2004
Genetic variants in genes controlling cellular processes such as cell cycle, DNA repair, and apoptosis may modulate lung cancer risk. p73 has some p53-like activity and plays an important role in modulating these processes. The noncoding region of exon 2 o ...
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Journal articleAm J Med · September 15, 2004
PURPOSE: To assess the association between heat shock protein 70 (HSP70) levels and the severity of ischemic stroke in elderly patients. METHODS: We conducted a case-control study to investigate the changes in lymphocyte HSP70 levels by immunoblot in 65 el ...
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Journal articleCarcinogenesis · September 2004
Environmental chemicals are thought to play a role in the etiology of breast cancer, because polycyclic acromatic hydrocarbon (PAH)-DNA adducts are detectable in normal and malignant breast tissues. Peripheral blood lymphocytes (PBLs) from female breast ca ...
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Journal articleCancer Res · August 15, 2004
DNA repair genes play a major role in maintaining genomic stability through different repair pathways that are mediated by cell cycle control genes such as p53. We found previously that glioma patients were susceptible to gamma-ray-induced chromosomal brea ...
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Journal articleOncogene · July 22, 2004
The checkpoint sliding-clamp complex, Rad9/Rad1/Hus1, plays a critical role during initiation of checkpoint signals in response to DNA damage and replication disruption. We investigated the impact of loss of Rad1 on checkpoint function and on DNA replicati ...
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Journal articleHead Neck · July 2004
BACKGROUND: While radiation has been the only well-established risk factor for salivary and thyroid cancers, the exact mechanisms remain unknown. We hypothesized that individuals with altered apoptotic response to gamma irradiation may be susceptible to sa ...
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Journal articleArch Otolaryngol Head Neck Surg · July 2004
OBJECTIVES: To compare the survival rates of patients 40 years or younger and diagnosed with squamous cell carcinoma of the head and neck (SCCHN) with those of patients older than 40 years who underwent the same treatment. In 2 previous matched-pair analys ...
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Journal articleClin Cancer Res · June 15, 2004
PURPOSE: Abnormalities in p27 may alter cell cycle delay required for DNA repair after exposure to carcinogens. A coding exon 1 polymorphism at codon 109 (T-->G) in p27 was identified and thought to have an effect on the functions of its protein. We hypoth ...
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Journal articleCancer Res · June 15, 2004
The etiology of esophageal squamous cell carcinoma (ESCC) has been shown to be associated with genetic and certain environmental factors that produce DNA damage. Base excision repair (BER) genes are responsible for repair of DNA damage caused by reactive o ...
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Journal articleOncol Rep · May 2004
The p53 gene plays an important role in cell cycle control in response to DNA damage, which may increase the probability of mutations that lead to carcinogenesis. The p53 codon 72 Arg right curved arrow Pro polymorphism has been suggested to be associated ...
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Journal articleClin Cancer Res · April 15, 2004
PURPOSE: The purpose of this research was to investigate the relationship between glutathione S-transferase (GST) polymorphisms and survival, and chemotherapy-related toxicity in 278 glioma patients. EXPERIMENTAL DESIGN: We determined genetic variants for ...
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Journal articleCancer Lett · March 31, 2004
Mammalian cells are constantly exposed to a wide variety of genotoxic agents from both endogenous and exogenous sources. Genetic variability in DNA repair may contribute to human cancer risk. In this population-based case-control study in China, we tested ...
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Journal articleCell Stress Chaperones · March 2004
Heat shock proteins (Hsps) have been reported to play an important role in both physiological and pathological processes. Hsps also may serve as biomarkers for evaluating disease states and exposure to environmental stresses. Whether Hsp levels in serum an ...
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Journal articleCancer · February 1, 2004
BACKGROUND: The salivary gland is a highly radiosensitive organ. Exposure to gamma radiation is a risk factor for both malignant (MSTs) and benign salivary gland tumors (BSTs), but the exact mechanisms remain unknown. The objectives of the current study we ...
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Journal articleCell Stress Chaperones · 2004
Noise exposure may result in production of auto-antibodies against heat shock proteins (Hsps), which might be of significance in the pathogenesis or prognosis (or both) of auto-immune ear diseases. However, it is not known whether these antibodies are asso ...
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Journal articleAm J Epidemiol · January 1, 2004
Possession of the fast metabolizing alleles for alcohol dehydrogenase (ADH), ADH1B*2 and ADH1C*1, and the null allele for aldehyde dehydrogenase (ALDH), ALDH2*2, results in increased acetylaldehyde levels and is hypothesized to increase the risk of head an ...
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Journal articleCell Stress and Chaperones · 2004
Heat shock proteins (Hsps) have been reported to play an important role in both physiological and pathological processes. Hsps also may serve as biomarkers for evaluating disease states and exposure to environmental stresses. Whether Hsp levels in serum an ...
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Journal articleJ Invest Dermatol · December 2003
The p53 gene plays an important role in cell cycle control, facilitating DNA repair activities in response to DNA damage. Aberrant cell cycle control impairs DNA repair and increases the probability of mutations that can lead to carcinogenesis. The p53 gen ...
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Journal articleInt J Cancer · October 20, 2003
Tobacco-related carcinogens cause a variety of DNA damage that is repaired by different enzymatic pathways, suggesting that DNA repair plays an important role in tobacco-induced carcinogenesis. In a large hospital-based case-control study, we investigated ...
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Journal articleOncogene · October 16, 2003
Chemoprevention has been widely explored as a promising strategy for controlling the incidence of lung cancer, the leading cause of cancer-related death. To maximize the benefit of lung cancer chemoprevention, it is important to identify individuals at hig ...
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Journal articleCancer Epidemiol Biomarkers Prev · October 2003
Both reduced DNA repair capacity (DRC) and folate deficiency are associated with increased cancer risk. Furthermore, folate is involved in DNA repair through de novo DNA synthesis and methylation. To determine whether low dietary folate intake is associate ...
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Journal articleLung Cancer · October 2003
Tobacco carcinogens can damage DNA, leading to apoptosis. There may be individual variation in apoptotic capacity (AC), and this variation may explain difference in AC associated with risk of lung cancer, if genome integrity is not restored by efficient DN ...
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Journal articleCancer Epidemiol Biomarkers Prev · October 2003
No studies have focused on the role of dietary folate intake in risk of lung cancer in former smokers, in whom dietary folate intake is less likely confounded with current smoking. Therefore, we evaluated the association between dietary folate intake and r ...
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Journal articleClin Cancer Res · July 2003
PURPOSE: Infection with human papillomavirus (HPV) type 16 has been suggested to be a risk factor for squamous cell carcinoma of the head and neck (SCCHN) and to be more commonly associated with SCCHN occurring in the oropharynx and in never-smokers. We hy ...
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Journal articleGenes Dev · April 15, 2003
Cell cycle checkpoints are critical for genomic stability. Rad17, a component of the checkpoint clamp loader complex (Rad17/Rfc2-5), is required for the response to DNA damage and replication stress. To explore the role of Rad17 in the maintenance of genom ...
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Journal articleMol Carcinog · March 2003
Oxidative damage is an important factor in prostate carcinogenesis, and overexpression of human MutT homolog (hMTH), a repair gene that removes oxidative damage, is a molecular marker of cellular oxidative stress. Therefore, we tested the hypothesis that o ...
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Journal articleAnn Epidemiol · March 2003
PURPOSE: In molecular epidemiologic studies, optimizing the use of available biological specimens while minimizing the cost is always a challenge. This is particularly true in pilot studies, which often have limited funding and involve small numbers of bio ...
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Journal articleCarcinogenesis · March 2003
XPA, a DNA binding protein in the nucleotide excision repair (NER) pathway, modulates damage recognition. Recently, a common single-nucleotide polymorphism (A --> G) of unknown function was identified in the 5' non-coding region of the XPA gene. Because a ...
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Journal articleJ Natl Cancer Inst · February 19, 2003
BACKGROUND: The mechanism underlying the role of UV light exposure from sunlight in the etiology of cutaneous malignant melanoma (CMM) is unclear. Patients with xeroderma pigmentosum, a disease characterized by severe sensitivity to UV radiation and a defe ...
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Journal articleHum Hered · 2003
OBJECTIVES: To identify a subgroup of former, current and never smokers (males and females) at high risk for developing lung cancer, based on their genetic susceptibility profiles, to estimate their lifetime probabilities of the disease, and to assess the ...
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Journal article · January 1, 2003
This chapter focuses on the molecular epidemiological studies on the roles of carcinogen metabolism and DNA repair in susceptibility to squamous cell carcinoma of the head and neck (SCCHN). The major risk factors for oropharyngeal cancers, also known as he ...
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Journal articleMutat Res · November 30, 2002
As DNA repair plays an important role in genetic susceptibility to cancer, assessment of the DNA repair phenotype is critical for molecular epidemiological studies of cancer. In this report, we compared use of the luciferase (luc) reporter gene in a host-c ...
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Journal articleLung Cancer · November 2002
Previous studies suggested that suboptimal DNA repair capacity is associated with cancer risk and that the Asp312Asn and Lys751Gln polymorphisms in the xeroderma pigmentosum complementary group D (XPD) gene may influence DNA repair capacity. We therefore t ...
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Journal articleCancer Lett · September 26, 2002
p53 plays an important role in cell-cycle control, as it facilitates DNA repair activities in response to DNA damage. An aberrant cell cycle impairs DNA repair and increases the probability of mutations that lead to carcinogenesis. The p53 codon 72 Arg/Pro ...
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Journal articleCancer Res · September 1, 2002
DNA repair is central to genomic integrity. Reduced expression of several nucleotide excision repair genes has been demonstrated to be associated with increased risk of lung cancer. Because methylation of gene promoters is one of the major regulatory mecha ...
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Journal articleArch Otolaryngol Head Neck Surg · September 2002
OBJECTIVE: To determine the effect of the ERCC1 C8092A polymorphism and the ERCC2/XPD G23591A polymorphism on the risk of squamous cell carcinoma of the head and neck (SCCHN). DESIGN: A hospital-based case-control study. SUBJECTS: A total of 330 newly diag ...
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Journal articleJ Natl Cancer Inst · July 17, 2002
BACKGROUND: Non-small-cell lung cancer (NSCLC) is frequently resistant to chemotherapy, and this resistance has been associated with elevated nucleotide excision repair (NER) in tumor tissue. We hypothesized that patients with NSCLC who had effective syste ...
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Journal articleCancer Epidemiol Biomarkers Prev · July 2002
The frequent loss or promoter methylation of the tumor suppressor gene p16 in head and neck cancer suggests an etiologic role of p16 in this disease. Two adjacent polymorphisms of p16 exon 3, C540G and C580T, were identified recently. C540G is associated w ...
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Journal articleOral Oncol · July 2002
BACKGROUND: Inherited polymorphisms of DNA repair genes may contribute to genetic susceptibility to squamous cell carcinoma of the head and neck (SCCHN). The objective was to assess whether two polymorphisms in the nucleotide excision repair gene XPD (ERCC ...
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Journal articleCancer Lett · June 28, 2002
We previously demonstrated that N-(4-hydroxyphenyl)retinamide (4-HPR) and gamma-irradiation, when used in combination, had a synergistic effect in inducing apoptosis in bladder cancer cells, suggesting that 4-HPR may increase radiosensitivity in bladder ca ...
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Journal articleInt J Cancer · June 20, 2002
Individuals differ in their ability to repair DNA damage induced by carcinogens. Studies have shown that polymorphisms in DNA repair genes contribute to individual variation in DNA repair capacity and cancer risk. In a hospital-based case-control study, we ...
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Journal articleLung Cancer · June 2002
DNA ligases catalyze the joining of single and double-strand DNA breaks, which is an essential step in DNA replication, recombination and repair. Recently, a common single nucleotide polymorphism (A-->C) in exon 6 of DNA ligase I (LIG1) was identified, but ...
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Journal articleCurr Opin Oncol · May 2002
In parts of the developing world (South Central Asia in particular), squamous cell carcinoma of the head and neck (SCCHN) is one of the most common malignancies encountered. Although tobacco and alcohol are clearly defined as etiologic factors in these mal ...
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Journal articleCancer · January 15, 2002
BACKGROUND: Phenotypic differences in the ability to repair genetic damage induced by tobacco carcinogens may reflect genetic differences in susceptibility to squamous cell carcinoma of the head and neck (SCCHN). The objective of this study was to assess t ...
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Journal articleCarcinogenesis · December 2001
Checkpoint kinase 2 (hCHK2/hCds1) is a tumor suppressor gene involved in cell-cycle control. A hCHK2/hCds1 polymorphism in codon 84 (A-->G at nucleotide 252) was recently identified in Li-Fraumeni syndrome patients. Because cell cycle regulates DNA repair ...
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Journal articleCancer Res · December 1, 2001
Mounting epidemiological evidence suggests that smoking may play a role in the etiology of breast cancer. Because smoking-related DNA adducts are detectable in both normal and malignant breast tissues, we hypothesized that breast cancer patients may be sen ...
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Journal articleJ Natl Cancer Inst · October 17, 2001
BACKGROUND: About 9% of human cancers are brain tumors, of which 90% are gliomas. gamma-Radiation has been identified as a risk factor for brain tumors. In a previous pilot study, we found that lymphocytes from patients with glioma were more sensitive to g ...
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Journal articleInt J Cancer · September 20, 2001
Low dietary folate intake has been associated with increased risk of gastric cancer. The 5,10-methylenetetrahydrofolate reductase (MTHFR) involved in folate metabolism has 2 variants, C677T and A1298C, that result in decreased MTHFR activity and lower plas ...
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Journal articleCarcinogenesis · August 2001
A G-->A polymorphism (G870A) in exon 4 of the cyclin D1 (CCND1) gene creates an alternative splice site in its mRNA, encoding a protein with an altered C-terminal domain. It has been suggested that DNA damage in cells with the A allele bypasses the G(1)/S ...
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Journal articleInt J Cancer · August 1, 2001
The level of DNA adducts under the same conditions of carcinogen exposure and cell proliferation reflects an integrated measure of carcinogen metabolism and DNA repair. Therefore, such DNA adduct levels have the potential to be a biomarker for susceptibili ...
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Journal articleProstate · June 1, 2001
BACKGROUND: Although prostate cancer is the most common incident cancer in men, not much is known about its etiology. We tested the hypothesis that expression levels of hMSH2 and hMLH1 in unaffected (normal) tissue play a role in the etiology of prostate c ...
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Journal articleCancer Lett · May 26, 2001
There is an increasing need for viable lymphocytes in performing phenotypic assays for biomarker studies. Both fresh and cryopreserved lymphocytes have been used for cell culture-based functional assays. However, fresh lymphocytes do not allow assays to be ...
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Journal articleCancer Res · April 15, 2001
Inherited polymorphisms of DNA repair genes may contribute to variations in DNA repair capacity and genetic susceptibility to cancer. In a hospital-based case-control study of 287 non-Hispanic white patients with newly diagnosed SCCHN and 311 control subje ...
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Journal articleCancer Res · April 15, 2001
Methylenetetrahydrofolate reductase (MTHFR) plays a central role in folate metabolism that affects DNA methylation and synthesis. Because germ-line mutations at nucleotides 677 (C-->T) and 1298 (A-->C) in the MTHFR gene cause diminished enzyme activity, an ...
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Journal articleCancer Epidemiol Biomarkers Prev · April 2001
Previous studies have suggested that low folate intake is associated with increased risk of lung cancer. Methylene-tetrahydrofolate reductase (MTHFR) is one of the enzymes involved in folate metabolism and is thought to influence DNA methylation and nucleo ...
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Journal articleCancer Epidemiol Biomarkers Prev · March 2001
Alcohol is one of the major risk factors for oral and pharyngeal cancer. The rate-limiting step in alcohol metabolism is the oxidation (activation) of ethanol to acetaldehyde by the alcohol dehydrogenases (ADHs). It has been hypothesized that individuals w ...
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Journal articleCancer Res · February 15, 2001
Sequence variations have been identified in a number of DNA repair genes, including XPD, but the effect of these polymorphisms on DNA repair capacity (DRC) is uncertain. We therefore examined XPD polymorphisms at Lys751Gln and Asp312Asn in 341 white lung c ...
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Journal articleCancer Res · February 15, 2001
Levels of DNA adducts vary greatly in vivo, attributable to individual differences in enzymatic bioactivation of benzo(a)pyrene. We developed an assay to measure the levels of DNA adducts induced in vitro by benzo(a)pyrene diol epoxide (BPDE), a bioactivat ...
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Journal articleMutat Res · January 25, 2001
Chromosome instability (CIN) measured as chromosome aberrations has long been suggested as a cancer susceptibility biomarker. Conventional cytogenetic end-points are now being improved by combining molecular methods, which increases the sensitivity, specif ...
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Journal articleJ Behav Med · December 2000
There has been extensive research into the effects of stress on immune function but little on the effects of stress on DNA repair capacity (DRC), a process central to maintaining a normal cell cycle. Defective DRC is one of the factors responsible for carc ...
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Journal articleCarcinogenesis · December 2000
DNA repair capacity is central in maintaining normal cellular functions. Variants of several DNA repair genes,including the nucleotide excision repair gene XPD, have been described recently. Because we previously reported that patients with squamous cell c ...
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Journal articleInt J Cancer · November 15, 2000
Gastric cancer remains the leading cause of cancer death in China and other countries in eastern Asia. Studies of gastric cancer have revealed that it is a disease of complex etiology involving dietary, infectious, environmental, occupational and genetic f ...
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Journal articleJ Natl Cancer Inst · November 1, 2000
BACKGROUND: Only a fraction of cigarette smokers develop lung cancer, suggesting that people differ in their susceptibility to this disease. We investigated whether differences in DNA repair capacity (DRC) for repairing tobacco carcinogen-induced DNA damag ...
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Journal articleMol Carcinog · October 2000
Genistein, a naturally occurring isoflavone found chiefly in soy products, reportedly has antiprostate cancer effects, but the mechanisms underlying these effects are unknown. We studied the antiproliferative and apoptosis-inducing effects of genistein in ...
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Journal articleCarcinogenesis · August 2000
Epidemiological studies have indicated that reduced DNA repair capacity and increased DNA adduct levels are associated with increased risk of lung cancer. Nucleotide excision repair (NER) is the major pathway in humans for repairing DNA adducts induced by ...
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Journal articleRadiat Res · July 2000
In the general population, there is variation in radiosensitivity associated with cancer risk. However, data on the role of epigenetic factors in the variation of radiosensitivity are scarce. Thus we investigated the effects of smoking and age on the radio ...
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Journal articleCarcinogenesis · November 1999
Because reduced DNA repair capacity (phenotype) has been suggested as a risk factor for squamous cell carcinoma of the head and neck (SCCHN), newly-identified DNA repair gene polymorphisms (genotype) may also be implicated in risk. To test this hypothesis, ...
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Journal articleCancer Epidemiol Biomarkers Prev · September 1999
DNA repair is central to the integrity of the human genome. Reduced DNA repair capacity has been linked to genetic susceptibility to cancer. An adequate expression level of DNA repair genes is essential for normal DNA repair activities. Although there is t ...
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Journal articleInt J Cancer · June 21, 1999
Differences in genetic susceptibility to tobacco-induced carcinogenesis appear to modulate an individual's risk of squamous-cell carcinoma of the head and neck (SCCHN). Risk for SCCHN may be associated with the null alleles of the carcinogen-metabolizing g ...
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Journal articleCarcinogenesis · May 1999
Brain tumors exhibit considerable chromosome instability (CIN), suggesting that genetic susceptibility may contribute to brain tumorigenesis. To test this hypothesis, in this pilot study, we examined for CIN in short-term lymphocyte cultures from 25 adult ...
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Journal articleArch Otolaryngol Head Neck Surg · February 1999
OBJECTIVE: To analyze and compare components of the 3 primary DNA repair pathways of Epstein-Barr virus-transformed lymphocyte (lymphoblastoid) cell lines derived from 9 patients with squamous cell carcinoma of the head and neck and 11 cancer-free controls ...
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Journal articleCancer Invest · 1999
Lung cancer risk is thus defined by the balance between metabolic activation and detoxification of xenobiotic compounds and by the efficiency of DNA repair. It is most likely that multiple susceptibility factors must be accounted for to represent the true ...
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Journal articleClin Cancer Res · December 1998
Despite advances in treatment of brain tumors, cerebral malignant gliomas are rapidly debilitating with poor survival. Patient age and tumor histology are known to influence survival in glioma patients, but these factors do not account for all of the varia ...
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Journal articleInt J Oncol · November 1998
The incidence of bladder cancer has increased in the United States during the past 50 years, consistent with increased exposure to bladder carcinogens in the environment and tobacco use. Although N-(4-hydroxyphenyl) retinamide (4-HPR), a retinoid derivativ ...
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Journal articleJ Investig Dermatol Symp Proc · August 1998
In the general population, the risk of developing sunlight-induced skin cancer increases as age increases. During the aging process, many biologic factors contribute to the increased risk of developing cancer, including increasing cumulative carcinogenic e ...
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Journal articleClin Cancer Res · July 1998
Genetic susceptibility appears to modulate an individual's risk of tobacco-induced carcinoma. One biomarker of such susceptibility, chromatid breaks induced in vitro in lymphocytes by the mutagen bleomycin, is an independent risk factor for several maligna ...
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Journal articleCancer Epidemiol Biomarkers Prev · June 1998
The role of genetic polymorphisms in modulating susceptibility to carcinogenic exposures has been well explored for tobacco-related neoplasms but not for other neoplasms including gliomas. It is relevant to explore these polymorphisms because certain carci ...
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Journal articleCancer Epidemiol Biomarkers Prev · June 1998
Head and neck cancers (HNCs) are malignancies that can be induced by tobacco use, although host-specific factors such as the DNA repair capacity (DRC) may modulate individual susceptibility to tobacco carcinogenesis. To test the hypothesis that genetically ...
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Journal articleInt J Oncol · June 1998
An Egyptian hospital-based pilot case-control study was conducted to investigate the relationship between the expression level of mismatch repair (MMR) genes and the risk of colorectal cancer. The relative expression of five known MMR genes, i.e., hMSH2, h ...
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Journal articleCancer Epidemiol Biomarkers Prev · April 1998
Head and neck cancer, like lung cancer, is considered a paradigm of an environmentally induced disease. Genetically determined variation in DNA repair capacity is thought to contribute to susceptibility to tobacco-related cancers. In this molecular epidemi ...
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Journal articleJournal of Environmental Science and Health Part C Environmental Carcinogenesis and Ecotoxicology Reviews · January 1, 1998
Molecular epidemiologic studies using biomarkers (TABLE II) of cancer susceptibility provide a means of identifying genetically susceptible individuals or subpopulations at high risk of developing cancer. Currently, interindividual variation in response to ...
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Journal articleCancer Res · May 1, 1997
Microsatellite instability (MIN) is frequently observed in hereditary nonpolyposis colon cancer and in other sporadic cancers including gliomas. Abnormalities in at least one of five mismatch repair (MMR) genes are implicated in the development of cancers ...
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Journal articleJ Invest Dermatol · January 1997
The purpose of this study was to determine whether the ability of K-1735 murine melanoma cells to repair DNA damage correlates with their metastatic potential. Three nonmetastatic clones, four metastatic clones, and three somatic-cell hybrids between metas ...
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Journal articlePathobiology · 1997
Abnormalities in at least 1 of 5 mismatch repair (MMR) genes (hMSH2, hMLH1, hPMS1, hPMS2 and GTBP/hMSH6) are found in hereditary nonpolyposis colon cancer and sporadic colon cancers. We used a single-reaction multiplex reverse transcription (RT)-polymerase ...
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Journal articleCancer Metastasis Rev · 1997
Human cancer risk assessment has relied largely on animal experiments and use of short-term biological tests based on chemical-DNA interaction. The recent introduction of biomarkers to molecular epidemiologic studies has provided another means of assessing ...
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Journal articleCancer Res · September 15, 1996
Although lung cancer is the paradigm of a tobacco-induced malignancy, host-specific factors modulate susceptibility to tobacco carcinogenesis. Variations in DNA repair may influence the rate of removal of DNA damage and of fixation of mutations. To test th ...
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Journal articleCancer Res · September 1, 1996
Benzo(a)pyrene is considered a classic DNA-damaging carcinogen and is one of a multitude of polycyclic aromatic hydrocarbons commonly found in tobacco smoke and in the ambient environment. In this report, we describe the characteristics of chromosomal aber ...
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Journal articleBiotechniques · September 1996
We describe here the use of fluorescence in situ hybridization (FISH) to measure the transfection efficiency of the transient expression vector pCMVcat in lymphoblasts and fibroblasts. By using a pCMVcat probe, we can visualize the location of the plasmid ...
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Journal articleCancer Res · August 15, 1996
Given the same exposure, DNA adduct profiles can be considered as a phenotypic marker for carcinogen metabolism and DNA repair, which may reflect individual susceptibility to chemical carcinogenesis. Based on this notion, we have established a straightforw ...
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Journal articleCancer Res · April 1, 1996
Although the risk factors contributing to the etiology of brain tumors remain largely unknown, this pilot study suggests that genetically determined sensitivity to environmental carcinogens may play a role in the pathogenesis of these tumors. In this study ...
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Journal articleClin Chem · December 1995
In a molecular epidemiological study of DNA repair, host reactivation assay was used to measure the DNA repair capacity of cryopreserved lymphocytes from 88 primary basal cell carcinoma (BCC) patients and 135 cancer-free controls. In this study population, ...
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Journal articleCancer Res · November 1, 1995
We describe here the development, optimization, and use of a non-radioactive, quantitative, multiplex reverse transcriptase-PCR technique to measure, in a single reaction, the relative levels of the transcripts of four DNA repair genes (XPCC, hMSH2, XRCC1, ...
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Journal articleJ Invest Dermatol · June 1995
Sunlight exposure and certain host factors such as red hair and fair skin are established risk factors for non-melanoma skin cancers. Because deficient DNA repair capacity has contributed to the development of skin cancers in a rare genetic disease, xerode ...
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Journal articleJ Allergy Clin Immunol · March 1995
The stability of airway hyperresponsiveness was studied in a group of 178 young adults working with laboratory animals. At the time of their entry into the study, 132 of 178 subjects (74%) had less than 20% response to the inhalation of 25 mg/ml methacholi ...
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Journal articleAm J Epidemiol · October 1, 1994
This study investigated the role of DNA repair in susceptibility to sunlight-induced basal cell carcinoma using a host cell reactivation assay in peripheral lymphocytes. The study included Maryland basal cell carcinoma patients and cancer-free dermatologic ...
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Journal articleJ Clin Epidemiol · August 1994
A clinic-based case-control study was conducted to determine the association between vitamin supplement use and risk of basal cell carcinoma (BCC) of the skin. The subjects were 131 patients with histopathologically confirmed primary BCC and 200 cancer-fre ...
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Journal articleCancer Res · January 15, 1994
Defective repair of sunlight-induced DNA photodamage, coupled with an unusually high occurrence of multiple primary basal cell carcinomas (BCCs), is the major characteristic of xeroderma pigmentosum. Our recent work has indicated that this etiological para ...
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Journal articleCancer Bulletin · January 1, 1994
DNA REPAIR in the etiology of cancer has been implicated in a rare genetic disease, xeroderma pigmentosum. Deficient repair and an extraordinarily high incidence of sunlight-induced skin cancers are coupled in xeroderma pigmentosum patients, which led to t ...
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Journal articleCancer Res · January 1, 1994
Basal cell carcinoma (BCC) of the skin represents a unique group of tumors strongly associated with exposure to UV light. Unlike squamous carcinoma of the skin, BCC is generally indolent, noninvasive, and rarely metastatic. To study the involvement of tumo ...
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Journal articleProc Natl Acad Sci U S A · February 15, 1993
This molecular epidemiology study examines the DNA-repair capacities (DRCs) of basal cell carcinoma (BCC) skin cancer patients (88) and their controls (135) by using a plasmid/host-cell reactivation assay. In this assay UV-damaged expression vector plasmid ...
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Journal articleAm Rev Respir Dis · December 1992
As a first step in a prospective study of the incidence of asthma to laboratory animals, a group of 364 adults 18 to 48 yr of age who were beginning employment with laboratory animals were evaluated in terms of their past history, health status, allergy, a ...
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