Journal ArticleVaccines (Basel) · November 13, 2024
Background/Objectives: Androgen receptor (AR) expression and signaling are critical for the progression of prostate cancer and have been the therapeutic focus of prostate cancer for over 50 years. While a variety of agents have been developed to target thi ...
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Journal ArticleJ Exp Med · November 4, 2024
Acquisition of prostate cancer stem cells (PCSCs) manifested during androgen ablation therapy (ABT) contributes to castration-resistant prostate cancer (CRPC). However, little is known about the specific metabolites critically orchestrating this process. H ...
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Journal ArticlePrecis Clin Med · September 2024
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The delivery of lipid nanoparticle (LNP)-based mRNA therapeutics has captured the attention of the vaccine research community as an innovative and versatile tool for treating a variety of human malignancies. mRNA vaccines are now in the limelight as an alt ...
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Journal ArticleCommun Biol · January 3, 2024
There are limited therapeutic options for patients with advanced prostate cancer (PCa). We previously found that heat shock factor 1 (HSF1) expression is increased in PCa and is an actionable target. In this manuscript, we identify that HSF1 regulates the ...
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Journal ArticleMetabolites · August 11, 2023
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The phosphatase and tensin homologue deleted on chromosome 10 (PTEN) tumor suppressor governs a variety of biological processes, including metabolism, by acting on distinct molecular targets in different subcellular compartments. In the cytosol, inactive P ...
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Journal ArticleJ Clin Invest · May 15, 2023
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Inactivation of the RB1 tumor suppressor gene is common in several types of therapy-resistant cancers, including metastatic castration-resistant prostate cancer, and predicts poor clinical outcomes. Effective therapeutic strategies against RB1-deficient ca ...
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Journal ArticleJ Pathol · May 2023
Neuroendocrine (NE) cells comprise ~1% of epithelial cells in benign prostate and prostatic adenocarcinoma (PCa). However, they become enriched in hormonally treated and castration-resistant PCa (CRPC). In addition, close to 20% of hormonally treated tumor ...
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Journal ArticleCell Commun Signal · September 18, 2019
BACKGROUND: Prostate cancer development involves various mechanisms, which are poorly understood but pointing to epithelial mesenchymal transition (EMT) as the key mechanism in progression to metastatic disease. ABI1, a member of WAVE complex and actin cyt ...
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Journal ArticlePrecis Clin Med · September 2019
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Cancer cells undergo metabolic reprogramming to support cell proliferation, growth, and dissemination. Alterations in lipid metabolism, and specifically the uptake and synthesis of fatty acids (FAs), comprise one well-documented aspect of this reprogrammin ...
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Journal ArticleNat Commun · August 16, 2019
The Anaphase Promoting Complex (APC) coactivator Cdh1 drives proper cell cycle progression and is implicated in the suppression of tumorigenesis. However, it remains elusive how Cdh1 restrains cancer progression and how tumor cells escape the inhibition of ...
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Journal ArticleCell Res · June 2019
Although targeted therapies have proven effective and even curative in human leukaemia, resistance often ensues. IDH enzymes are mutated in ~20% of human AML, with targeted therapies under clinical evaluation. We here characterize leukaemia evolution from ...
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Journal ArticleScience · May 17, 2019
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Activation of tumor suppressors for the treatment of human cancer has been a long sought, yet elusive, strategy. PTEN is a critical tumor suppressive phosphatase that is active in its dimer configuration at the plasma membrane. Polyubiquitination by the ub ...
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ConferenceJournal of Clinical Oncology · March 1, 2019
280 Background: Prostate cancer is characterized by heterogeneity of mechanisms which are poorly understood but pointing to epithelial plasticity as the key mechanism in progression to metastatic disease. ABI1, a member of WAVE c ...
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Journal ArticleDev Cell · February 11, 2019
Frequent SPOP mutation defines the molecular feature underlying one of seven sub-types of human prostate cancer (PrCa). However, it remains largely elusive how SPOP functions as a tumor suppressor in PrCa. Here, we report that SPOP suppresses stem cell tra ...
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Journal ArticleJ Clin Invest · January 2, 2019
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Recurrent broad-scale heterozygous deletions are frequently observed in human cancer. Here we tested the hypothesis that compound haploinsufficiency of neighboring genes at chromosome 8p promotes tumorigenesis. By targeting the mouse orthologs of human DOK ...
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Journal ArticleHum Mol Genet · December 15, 2018
Great strides in gene discovery have been made using a multitude of methods to associate phenotypes with genetic variants, but there still remains a substantial gap between observed symptoms and identified genetic defects. Herein, we use the convergence of ...
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Journal ArticleNat Rev Mol Cell Biol · September 2018
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PTEN is a potent tumour suppressor, and its loss of function is frequently observed in both heritable and sporadic cancers. PTEN has phosphatase-dependent and phosphatase-independent (scaffold) activities in the cell and governs a variety of biological pro ...
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Chapter · April 25, 2018
This book provides a comprehensive overview on the clinical issues and biology of acute promyelocytic leukemia (APL) and on the molecular mechanisms of targeted therapy with ATRA and ATO. ...
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Journal ArticleCold Spring Harb Perspect Med · April 2, 2018
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Men who develop metastatic castration-resistant prostate cancer (mCRPC) will invariably succumb to their disease. Thus there remains a pressing need for preclinical testing of new drugs and drug combinations for late-stage prostate cancer (PCa). Insights f ...
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Journal ArticleNat Genet · February 2018
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Lipids, either endogenously synthesized or exogenous, have been linked to human cancer. Here we found that PML is frequently co-deleted with PTEN in metastatic human prostate cancer (CaP). We demonstrated that conditional inactivation of Pml in the mouse p ...
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Journal ArticleNat Med · February 2018
Multiple immune-cell types can infiltrate tumors and promote progression and metastasis through different mechanisms, including immunosuppression. How distinct genetic alterations in tumors affect the composition of the immune landscape is currently unclea ...
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Journal ArticleNat Commun · January 15, 2018
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The mitogen-activated protein kinase (MAPK) pathway is frequently aberrantly activated in advanced cancers, including metastatic prostate cancer (CaP). However, activating mutations or gene rearrangements among MAPK signaling components, such as Ras and Ra ...
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Journal ArticleCancer Discov · April 2017
BRAF drives tumorigenesis by coordinating the activation of the RAS/RAF/MEK/ERK oncogenic signaling cascade. However, upstream pathways governing BRAF kinase activity and protein stability remain undefined. Here, we report that in primary cells with active ...
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Journal ArticleAm J Pathol · December 2016
Increased polyamine synthesis is known to play an important role in prostate cancer. We aimed to explore its functional significance in prostate tumor initiation and its link to androgen receptor (AR) signaling. For this purpose, we generated a new cell li ...
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Journal ArticleCancer Discov · July 2015
UNLABELLED: The phosphatases PTEN and INPP4B have been proposed to act as tumor suppressors by antagonizing PI3K-AKT signaling and are frequently dysregulated in human cancer. Although PTEN has been extensively studied, little is known about the underlying ...
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Journal ArticleCancer Discov · May 2015
UNLABELLED: The ETS family of transcription factors has been repeatedly implicated in tumorigenesis. In prostate cancer, ETS family members, such as ERG, ETV1, ETV4, and ETV5, are frequently overexpressed due to chromosomal translocations, but the molecula ...
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Journal ArticleCancer Discov · August 2014
UNLABELLED: Prostate cancer is the most prevalent cancer in males, and treatment options are limited for advanced forms of the disease. Loss of the PTEN and TP53 tumor suppressor genes is commonly observed in prostate cancer, whereas their compound loss is ...
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Journal ArticleCell Res · October 2013
The tumor-suppressive activity of PTEN has always been attributed to its endogenous intracellular function. Recently two different groups have demonstrated that PTEN is secreted/exported into the extracellular environment for uptake by recipient cells, and ...
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Journal ArticlePLoS One · 2013
Somatic mutations in the EGFR proto-oncogene occur in ~15% of human lung adenocarcinomas and the importance of EGFR mutations for the initiation and maintenance of lung cancer is well established from mouse models and cancer therapy trials in human lung ca ...
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Journal ArticleMol Endocrinol · January 2013
Estrogen signaling, through estrogen receptor (ER)α, has been shown to cause hypertrophy in the prostate. Our recent report has shown that epithelial ERα knockout (KO) will not affect the normal prostate development or homeostasis. However, it remains uncl ...
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Journal ArticleAsian J Androl · July 2012
Early studies suggested that estrogen receptor alpha (ERα) is involved in estrogen-mediated imprinting effects in prostate development. We recently reported a more complete ERα knockout (KO) mouse model via mating β-actin Cre transgenic mice with floxed ER ...
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Journal ArticleJ Pathol · January 2012
Squamous metaplasia (SQM) is a specific phenotype in response to oestrogen in the prostate and oestrogen receptor (ER) α is required to mediate this response. Previous studies utilizing tissue recombination with seminal vesicle (SV) mesenchyme and prostati ...
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Journal ArticleMol Med · 2010
The main circulating estrogen hormone 17beta-estradiol (E2) contributes to the initiation and progression of breast cancer. Estrogen receptors (ERs), as transcription factors, mediate the effects of E2. Ablation of the circulating E2 and/or prevention of E ...
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Journal ArticleCarcinogenesis · May 2009
Human prostate cancer (PCa) and prostate epithelial cells predominantly express estrogen receptor (ER) beta, but not ERalpha. ERbeta might utilize various ER coregulators to mediate the E2-signaling pathway in PCa. Here, we identified coiled-coil domain co ...
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Journal ArticleClin Cancer Res · January 1, 2009
PURPOSE: To determine the antitumor efficacy of using calcitriol combined with RRR-alpha-vitamin E succinate (VES) on prostate cancer. EXPERIMENTAL DESIGN: The effects of VES or VES in combination with calcitriol on the calcitriol target genes were evaluat ...
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Journal ArticleMol Cell Biochem · January 2009
Conventional estrogen receptor alpha knockout (neo-ERalphaKO, neo-ERalpha(-/-)) mice contain a truncated and chimeric ERalpha fusion protein that retains 35% estrogen-dependent transactivation activity, and therefore the in vivo ERalpha function is difficu ...
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Journal ArticleEndocrinology · January 2009
The estrogen receptor-alpha knockout (ERalphaKO, ERalpha-/-) mice were generated via the Cre-loxP system by mating floxed ERalpha mice with beta-actin (ACTB)-Cre mice. The impact of ERalpha gene deletion in the male reproductive system was investigated. Th ...
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Journal ArticleProstate · September 1, 2008
BACKGROUND: Estrogen receptor alpha (ER alpha) has been reported to be expressed and function in the prostate stromal cells, and numerous evidences indicated that the stromal ER alpha signal pathway plays critical roles in prostate development and cancer. ...
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Journal ArticleClin Cancer Res · April 1, 2007
PURPOSE: Insulin-like growth factor binding protein-3 (IGFBP-3) is a well-known antiproliferative and proapoptotic molecule in prostate cancer, suggesting that targeting IGFBP-3 might produce clinical benefits. In prostate cancer cells, RRR-alpha-vitamin E ...
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Journal ArticleCancer Res · November 1, 2005
Epidemiologic studies suggested that vitamin E has a protective effect against prostate cancer. We showed here that tocopherol-associated protein (TAP), a vitamin E-binding protein, promoted vitamin E uptake and facilitated vitamin E antiproliferation effe ...
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Chapter · 2005
Prostate cancer is the second leading cause of death in men and its progression is highly dependent on androgens and androgen receptors. ...
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Journal ArticleBiochem Biophys Res Commun · January 10, 2003
Several epidemiological studies have demonstrated that vitamin E is a chemopreventative agent for prostate cancer. alpha-Tocopheryl succinate (VES), a derivative of vitamin E, effectively modulates prostate cancer cell growth. However, little is known abou ...
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