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- W2294848008 abstract "// Swati Dhar 1, * , Avinash Kumar 1, * , Liangfen Zhang 1, 2 , Agnes M. Rimando 3 , Janice M. Lage 2 , Jack R. Lewin 2 , Azeddine Atfi 1, 4 , Xu Zhang 5 , Anait S. Levenson 1, 2, 6 1 Cancer Institute, University of Mississippi Medical Center, Jackson, MS, USA 2 Department of Pathology, University of Mississippi Medical Center, Jackson, MS, USA 3 United States Department of Agriculture, Agriculture Research Service, Natural Product Utilization Research Unit, University, MS, USA 4 Department of Biochemistry, University of Mississippi Medical Center, Jackson, MS, USA 5 Center of Biostatistics and Bioinformatics, University of Mississippi Medical Center, Jackson, MS, USA 6 Current affiliation: Arnold and Marie Schwartz College of Pharmacy and Health Sciences, Long Island University, Brooklyn, NY, USA * These authors contributed equally to this work Correspondence to: Anait S. Levenson, e-mail: alevenson@umc.edu , anait.levenson@liu.edu Keywords: pterostilbene, prostate cancer, chemoprevention, therapy, MTA1 Received: October 09, 2015 Accepted: January 29, 2016 Published: March 01, 2016 ABSTRACT Overexpression of the epigenetic modifier metastasis-associated protein 1 (MTA1) is associated with aggressive human prostate cancer. The purpose of this study was to determine MTA1- targeted chemopreventive and therapeutic efficacy of pterostilbene, a natural potent analog of resveratrol, in pre-clinical models of prostate cancer. Here, we show that high levels of MTA1 expression in Pten -loss prostate cooperate with key oncogenes, including c-Myc and Akt among others, to promote prostate cancer progression. Loss-of-function studies using human prostate cancer cells indicated direct involvement of MTA1 in inducing inflammation and epithelial-to-mesenchymal transition. Importantly, pharmacological inhibition of MTA1 by pterostilbene resulted in decreased proliferation and angiogenesis and increased apoptosis. This restrained prostatic intraepithelial neoplasia (PIN) formation in prostate-specific Pten heterozygous mice and reduced tumor development and progression in prostate-specific Pten -null mice. Our findings highlight MTA1 as a key upstream regulator of prostate tumorigenesis and cancer progression. More significantly, it offers pre-clinical proof for pterostilbene as a promising lead natural agent for MTA1-targeted chemopreventive and therapeutic strategy to curb prostate cancer." @default.
- W2294848008 created "2016-06-24" @default.
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- W2294848008 date "2016-03-01" @default.
- W2294848008 modified "2023-09-26" @default.
- W2294848008 title "Dietary pterostilbene is a novel MTA1-targeted chemopreventive and therapeutic agent in prostate cancer" @default.
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- W2294848008 doi "https://doi.org/10.18632/oncotarget.7841" @default.
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