Journal ArticleClin Transl Gastroenterol · June 1, 2024
INTRODUCTION: We designed a race-conscious study to assess the presence of Helicobacter pylori v irulence factor cagA in a retrospective cohort of patients with active H. pylori infection. METHODS: We compared cagA status by race in gastric tissue samples ...
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Journal ArticleSouth Med J · April 2024
OBJECTIVES: Eradication of Helicobacter pylori reduces the risk of gastric cancer (GC). Individuals with type 2 diabetes mellitus (T2DM) are known to be at increased risk for GC. In a cohort of H. pylori-positive individuals, we assessed whether those with ...
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Journal ArticleGastric Cancer · January 2024
BACKGROUND: Gastric cancer (GC) accounts for the greatest disparity in cancer mortality between Black and White Americans. Although clinical trials have shown that Helicobacter pylori (Hp) treatment reduces risk of GC, Hp testing and treatment is not consi ...
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Journal ArticleCancer Causes Control · October 2023
PURPOSE: Gastric cancer remains a racial health disparity in the US, but few studies have examined supplements as a potential protective factor. We examined associations between regular supplement use and gastric cancer risk among the predominantly Black p ...
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ConferenceCancer Research · April 4, 2023
AbstractPurpose: In the United States, significant disparities exist in gastric cancer incidence and mortality between Black Americans and non-Hispanic White Americans. Helicobacter pylori (HP) infection is ...
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Journal ArticleCancer Epidemiol Biomarkers Prev · April 3, 2023
Gastric cancer, the fifth leading cause of cancer worldwide, is estimated to be responsible for approximately 1.4% of all new cancers and 1.8% of all cancer-related deaths in the United States. Despite declining incidence rates and improved survival rates, ...
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Journal ArticleGastroenterology · April 2023
Gastric cancer (GC) is a leading cause of global mortality but also a cancer whose footprint is highly unequal. This review aims to define global disease epidemiology, critically appraise strategies of prevention and disease attenuation, and assess how the ...
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Journal ArticleAsian Pac J Cancer Prev · March 1, 2023
BACKGROUND: Seropositivity to certain Helicobacter pylori proteins may affect development of gastric lesions that could become cancerous. Previously, we developed a model of gastric cancer risk including gender, age, HP0305 sero-positivity, HP1564 sero-pos ...
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Journal ArticleClin Gastroenterol Hepatol · October 2022
BACKGROUND & AIMS: Gastric cancer (GC) remains a leading cause of mortality among certain racial, ethnic, and immigrant groups in the United States (US). The majority of GCs are diagnosed at advanced stages, and overall survival remains poor. There exist n ...
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Journal ArticleCancer Epidemiol Biomarkers Prev · July 1, 2022
BACKGROUND: Gastric cancer lacks specific symptoms, resulting in diagnosis at later stages and high mortality. Serum pepsinogen is a biomarker for atrophic gastritis, a gastric cancer precursor, and may be useful to detect persons at increased risk of gast ...
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Journal ArticleCancer Epidemiol Biomarkers Prev · April 1, 2022
BACKGROUND: Blood-based biomarkers for gastric cancer risk stratification could facilitate targeting screening to people who will benefit from it most. The ABC Method, which stratifies individuals by their Helicobacter pylori infection and serum-diagnosed ...
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Journal ArticleMalawi Med J · March 2022
INTRODUCTION: Little is known about specific bacterial characteristics of Helicobacter pylori (H. pylori) infection influencing gastric carcinogenesis in Zambia. The aim of this study was to evaluate the associations between pre-selected H. pylori antibodi ...
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ConferenceCancer Epidemiology, Biomarkers & Prevention · January 1, 2022
AbstractBackground/Aims: Racial disparities exist across the spectrum of non-cardia gastric carcinogenesis, from H. pylori infection through gastric intestinal metaplasia and gastric cancer. Currently, there ...
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Journal ArticleGastro Hep Adv · 2022
BACKGROUND AND AIMS: Helicobacter pylori remains an important risk factor for noncardia gastric cancer and a spectrum of disease from H. pylori infection to gastric cancer. As a step toward improved clinical strategies for gastric cancer prevention, we ass ...
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Journal ArticleCancer Epidemiol Biomarkers Prev · June 2021
BACKGROUND: The association between prediagnostic antibody responses to Fusobacterium nucleatum (F. nucleatum) and subsequent risk of colorectal cancer is not established. METHODS: We conducted a nested case-control study of 8,126 participants in a consort ...
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ConferenceJournal of Clinical Oncology · January 20, 2021
189 Background: Gastric cancer (GC) is a high mortality cancer in the US. Differences in risk factors by anatomic location and race/ethnicity have been suggested but remain understudied in the US population. Methods: The Multieth ...
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Journal ArticleGut Microbes · 2021
Infection with Helicobacter pylori is the single greatest risk factor for developing gastric adenocarcinoma. In prospective, population-based studies, seropositivity to the uncharacterized H. pylori proteins Hp0305 and Hp1564 was significantly associated w ...
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Journal ArticleJ Nutr Sci · 2021
Childhood trauma is strongly associated with poor health outcomes. Although many studies have found associations between adverse childhood experiences (ACEs), a well-established indicator of childhood trauma and diet-related health outcomes, few have explo ...
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Journal ArticleCancer Epidemiol Biomarkers Prev · December 2020
BACKGROUND: Auto-antibodies to tumor suppressor p53 are found in a subset of patients with colorectal cancer. A recent prospective study in the United States has reported a significant 1.8-fold increased odds for colorectal cancer development with prediagn ...
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Journal ArticleMicroorganisms · October 30, 2020
Previously, we found that risk of colorectal cancer (CRC) is increased in individuals with serum antibody response to both Helicobacter pylori (HP) Vacuolating Cytotoxin (VacA) toxin or Streptococcus gallolyticus (SGG) pilus protein Gallo2178. In the prese ...
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Journal ArticleCancer Epidemiol Biomarkers Prev · October 2020
BACKGROUND: Prevalence of Helicobacter pylori (H. pylori) infection, the main risk factor for gastric cancer, has been decreasing in the United States; however, there remains a substantial racial disparity. Moreover, the time-trends for prevalence of CagA- ...
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Journal ArticleGastroenterology · October 2020
There exists no coherent national strategy for the early detection or prevention of gastric cancer in the United States (US), even among identified high-risk groups such as Asian Americans, African Americans, Hispanic Americans, and Alaska Native/American ...
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Journal ArticleBMC Gastroenterol · August 6, 2020
BACKGROUND: Approximately 15% of all cancers are due to infection. The bacteria Helicobacter pylori is the single leading carcinogenic infectious agent and the main cause of stomach cancer. Prevalence of H. pylori, and, correspondingly, stomach cancer inci ...
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Journal ArticleInt J Cancer · August 1, 2020
The association between body mass index (BMI) and noncardia gastric cancer (NCGC) risk remains controversial. The purpose of our study was to examine the association of BMI with NCGC risk with consideration of Helicobacter pylori (HP) biomarkers. This inte ...
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Journal ArticleCancer Causes Control · June 2020
PURPOSE: Helicobacter pylori (H. pylori) is the leading cause of gastric cancer. High antibody levels to H. pylori virulence factors Vacuolating cytotoxin A (VacA) and Cytotoxin-associated gene A (CagA) have been suggested as gastric cancer risk markers. I ...
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ConferenceCancer Epidemiology, Biomarkers & Prevention · March 1, 2020
AbstractAuto-antibodies to tumor suppressor p53 are found in a subset of colorectal cancer (CRC) patients. A prospective cohort study in the US (Cancer Prevention Study II) has recently reported a statistica ...
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Journal ArticleHelicobacter · February 2020
PURPOSE: To feasibly analyze associations of Helicobacter pylori (H. pylori) with disease in large cohort studies, assays are needed to assess H. pylori prevalence in existing biospecimens. However, serology has traditionally been unable to distinguish act ...
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ConferenceCancer Prev Res (Phila) · October 2019
Smoking is an established risk factor for gastric cancer development. In this study, we aimed to assess prospectively the association of smoking with gastric cancer risk in 1,446 non-cardia gastric cancer cases and 1,796 controls from China, Japan, and Kor ...
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ConferenceGastroenterology · January 2019
BACKGROUND & AIMS: Previous studies reported an association of the bacteria Helicobacter pylori, the primary cause of gastric cancer, and risk of colorectal cancer (CRC). However, these findings have been inconsistent, appear to vary with population charac ...
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Journal ArticleCancer Epidemiol Biomarkers Prev · December 2018
BACKGROUND: Helicobacter pylori is the leading cause of gastric cancer, yet the majority of infected individuals will not develop neoplasia. Previously, we developed and replicated serologic H. pylori biomarkers for gastric cancer risk among prospective co ...
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Journal ArticleDig Dis Sci · October 2018
BACKGROUND: Epstein-Barr virus (EBV)-positive gastric cancers represent a distinct subtype of gastric cancers and account for nearly 10% of the gastric cancer burden, yet risk detection strategies for this cancer subtype are lacking. METHODS: We conducted ...
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Journal ArticleCancer Epidemiol Biomarkers Prev · October 2018
Background: Antibody responses to Streptococcus gallolyticus subspecies gallolyticus (SGG) proteins, especially pilus protein Gallo2178, have been consistently associated with colorectal cancer risk. Previous case-control studies and prospective studies wi ...
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Journal ArticleCancer Epidemiol Biomarkers Prev · March 2018
Background: Infection with Helicobacter pylori is the leading risk factor for noncardia gastric cancer, yet its influence on prognosis of gastric cancer is largely unknown. Thus, exploring the role of Helicobacter pylori (H. pylori) in survival could lead ...
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Chapter · January 1, 2018
Helicobacter pylori is the most successful bacterial pathogen worldwide, coevolving with humans for millennia and currently infecting over 50% of the global populous. It is a Gram-negative, spiral-shaped organism that can evade the immune response for the ...
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ConferenceCancer Research · July 1, 2017
AbstractBackground. Previous studies suggest that a stable end-product of prostaglandin E2, the urinary metabolite PGE-M, is excreted in the urine and can be used as an index of systemic prostaglandin E2 (PG ...
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Journal ArticleClin Infect Dis · May 15, 2017
BACKGROUND: Previous studies suggest that a stable end-product of prostaglandin E2, the urinary metabolite PGE-M, is associated with colorectal cancer, and 1 study of relatively small sample size found an association with gastric cancer among women. In the ...
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Journal ArticleInt J Cancer · February 1, 2017
Epidemiological findings on the association between fruit and vegetable consumption and gastric cancer risk remain inconsistent. The present analysis included 810 prospectively ascertained non-cardia gastric cancer cases and 1,160 matched controls from the ...
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ConferenceCancer Research · July 15, 2016
AbstractBackground: The colonic opportunist Streptococcus gallolyticus subsp. gallolyticus (S. gallolyticus) has been hypothesized to be associated with colorectal cancer (CRC). A recent case-control study ( ...
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ConferenceCancer Research · July 15, 2016
AbstractIntroduction: Epidemiological findings on the association between fruit and vegetable consumption and gastric cancer risk remain inconsistent, resulting in the designation of fruits and vegetables as ...
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Journal ArticleInt J Epidemiol · June 2016
BACKGROUND: Incidence and mortality rates for gastric cancer, the fifth most commonly diagnosed and third most deadly cancer worldwide, are highest in East Asia. We sought to identify gastric cancer risk biomarkers among eight prospective studies from Chin ...
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Journal ArticleCancer Sci · March 2015
Although positive associations have been found for diabetes and a number of cancer sites, investigations of stomach cancer are limited and the results lack consistency. In this prospective study we investigated the relationship between type 2 diabetes mell ...
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Journal ArticleCancer Epidemiol Biomarkers Prev · November 2014
The International Agency for Research on Cancer estimates that over half of the new cancer cases and almost two-thirds of the cancer deaths in 2012 occurred in low and middle income countries. To discuss the challenges and opportunities to reducing the bur ...
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Journal ArticleCancer Epidemiol Biomarkers Prev · July 2014
BACKGROUND: Epidemiologic studies have shown increased risks of lung cancer among adults with low blood levels of selenium, although evidence is inconsistent. In the United States, the incidence of lung cancer is higher and mean serum selenium levels lower ...
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Journal ArticleNutr Cancer · 2014
Evidence for the association of diet and gastric cancer is equivocal, and the majority of previous studies have not evaluated the interaction of diet and infection with Helicobacter pylori, the leading risk factor for gastric cancer. We examined these asso ...
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Journal ArticleCancer Causes Control · December 2013
PURPOSE: Chronic inflammation has been hypothesized to play a significant role in the aetiology of cancer, including gastric cancer. In the present study, we sought to examine pre-diagnostic systemic cytokine levels in plasma, which can be seen as markers ...
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Journal ArticleCancer Epidemiol Biomarkers Prev · November 2013
BACKGROUND: There is biologic plausibility as to why infection with Helicobacter pylori, the leading cause of gastric cancer, may also increase the risk of colorectal cancer, but the epidemiologic findings have been inconsistent. We assessed the associatio ...
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Journal ArticleJ Nutr · November 2013
Because the association between soy consumption and gastric cancer is inconsistent, we evaluated the putative preventive effect of soy food on gastric cancer risk in the Shanghai Women's and Men's Health Studies, comprising a total of 128,687 participants. ...
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Journal ArticleCancer Epidemiol Biomarkers Prev · December 2012
BACKGROUND: Helicobacter pylori is the leading risk factor for gastric cancer, yet only a fraction of infected individuals ever develop neoplasia. METHODS: To identify potential predictive biomarkers, we assessed the association of 15 antibodies to H. pylo ...
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Journal ArticleCancer Causes Control · June 2012
PURPOSE: The authors recently reported high Helicobacter pylori sero-prevalence among African-Americans of high African ancestry. We sought to determine whether neighborhood-level socio-economic characteristics are associated with H. pylori prevalence and ...
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ConferenceCancer Research · April 15, 2012
AbstractBackground: Helicobacter pylori is the leading identified risk factor for distal gastric cancer, yet only a fraction of infected individuals ever develop neoplasia. To identify potential risk markers ...
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Journal ArticleCancer Causes Control · January 2012
PURPOSE: The purpose of this study is to investigate the association of cigarette smoking with gastric cancer. METHODS: Over 215,000 men and women, representing five ethnic groups (African Americans, Japanese Americans, Latino Americans, Native Hawaiians, ...
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Journal ArticleCancer Prev Res (Phila) · June 2011
High prevalence of Helicobacter pylori (H. pylori), the leading cause of gastric cancer, and low levels of micronutrients have been observed in many developing countries, and the question remains as to the whether an association between the 2 exists. The p ...
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Journal ArticleCancer Epidemiol Biomarkers Prev · May 2011
BACKGROUND: Gastric cancer incidence in African Americans is twice that of whites, and differing prevalence of Helicobacter pylori strain-specific isolates may help explain the disparity. METHODS: Serum levels of antibodies to each of 15 H. pylori proteins ...
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Journal ArticleJ Clin Oncol · February 1, 2011
PURPOSE: To examine the association of quality of life (QOL) after diagnosis of breast cancer with mortality and recurrence. PATIENTS AND METHODS: From 2002 to 2004, a total of 2,230 breast cancer survivors completed the General Quality of Life Inventory-7 ...
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Journal ArticleInfect Dis Clin North Am · December 2010
The role of infectious agents and chronic inflammation in carcinogenesis is being increasingly recognized. It has been estimated that about 18% of cancers are directly linked to infections, particularly gastric adenocarcinoma (Helicobacter pylori), cervica ...
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Journal ArticleAm J Epidemiol · August 15, 2010
Results from case-control and cohort studies of the association between fruit and vegetable consumption and gastric cancer risk have been inconsistent. Cases for the current study consisted of incident distal gastric cancers identified between 1996 and 200 ...
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Journal ArticleObstet Gynecol · August 2010
OBJECTIVE: Limited data exist to inform clinicians and patients as to the likelihood of long-term endometrial hyperplasia response to progestin therapy, especially for atypical hyperplasia. We evaluated women with complex and atypical endometrial hyperplas ...
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Journal ArticleCancer Causes Control · February 2010
This study seeks to further elucidate the mother-daughter hormonal relationship and its effects on daughter's breast cancer risk through the association with early age at menarche. Four hundred and thirty-eight healthy girls, age 9-18 and of White, Asian, ...
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Journal ArticleAm J Epidemiol · August 15, 2009
In many epidemiologic studies, investigators have reported an inverse relation between nonsteroidal antiinflammatory drugs (NSAIDs) and colon cancer, but fewer researchers have examined the relation with gastric cancer. Cases for this study consisted of in ...
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Journal ArticleCancer Epidemiol Biomarkers Prev · July 2009
Although smoking is the primary risk factor for lung cancer, there is evidence to suggest that fruit and vegetable intake are important cofactors. The present case-control study, nested within the Multiethnic Cohort Study, examined the associations of biom ...
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Journal ArticleAm J Obstet Gynecol · June 2009
OBJECTIVE: The objective of the study was to estimate the age-specific incidence of endometrial hyperplasia: simple, complex, and atypical, in order of increasing likelihood of progression to carcinoma. STUDY DESIGN: Women aged 18-90 years with endometrial ...
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Journal ArticleObstet Gynecol · March 2009
OBJECTIVE: To assess the likelihood of histologic persistence/progression of complex hyperplasia and atypical hyperplasia among women treated with progestin compared with those not treated, with attention to type, dose, and duration. METHODS: This was a co ...
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Journal ArticleBreast Cancer Res · 2009
INTRODUCTION: Assessments by the handful of prospective studies of the association of serum antioxidants and breast cancer risk have yielded inconsistent results. This multiethnic nested case-control study sought to examine the association of plasma carote ...
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Journal ArticleCancer Epidemiol Biomarkers Prev · January 2009
Although an association between diet, especially cruciferous vegetables, and colorectal cancer has been hypothesized, recent studies have been inconsistent with their findings. One possibility for the discrepant results is that the interaction with related ...
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Journal ArticleAnn Epidemiol · January 2009
PURPOSE: We sought to examine the relationship between recent use of oral contraceptives and hormone therapy and endometrial hyperplasia (EH) risk. METHODS: Cases comprised women diagnosed with complex EH (n = 289) or atypical EH (n = 173) between 1985 and ...
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Journal ArticleCancer Causes Control · October 2008
OBJECTIVE: The risk factors most strongly associated with gastric cancer are the gastric bacteria Helicobacter pylori and diet. Utilizing data from a case-control study among residents in Hawaii, we examined the association of diet, presence of H. pylori, ...
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Journal ArticleAm J Epidemiol · September 15, 2008
The authors sought to test the hypothesis that characteristics and exposures which influence the balance of estrogen and progesterone bear on the incidence of endometrial hyperplasia (EH), a noninvasive proliferation of the lining of the uterus. Cases incl ...
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Journal ArticleAm J Epidemiol · December 15, 2005
Nasopharyngeal carcinoma is much more common in Asian countries than in Western countries. However, since the 1980s, nasopharyngeal carcinoma incidence has fallen among both men and women in Hong Kong, and recently a similar trend has also been noted in Si ...
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Journal ArticleCancer Causes Control · November 2005
OBJECTIVE: Chinese women residing in Asia and Hawaii have low consumption of tobacco but a high incidence of lung cancer. To explore this question further, we conducted a study of lung cancer among Chinese women residing in mainland US. METHODS: Using data ...
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Journal ArticleAm J Obstet Gynecol · September 2005
OBJECTIVE: The purpose of this study was to determine if women with preeclampsia are more likely to have a sister who also had preeclampsia. STUDY DESIGN: This was a population-based case-control study using data from Washington (WA) state birth certificat ...
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Journal ArticleJ Clin Oncol · July 20, 2005
PURPOSE: Anecdotal reports suggest that the volume of services offered to individuals concerned with hereditary cancer risk has increased substantially in recent years. As a follow-up to our 1993 survey, we sought to determine how the scope and volume of g ...
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