A novel anti-cancer effect of genistein: reversal of epithelial mesenchymal transition in prostate cancer cells

Acta Pharmacologica Sinica
Linlin ZhangDalin He

Abstract

The aim of the present study was to investigate whether low dose genistein affects the invasion and epithelial mesenchymal transition (EMT) of prostate cancer (PCa) cells. Human PCa cell lines, IA8-ARCaP and LNCaP/ HIF-1a, were used in this study. The cell lines were found to process EMT in our previous study. The PCa cells were treated with increasing concentrations, from 0.1 to 75 micromol/L. Proliferation was assessed with 3-(4,5-dimethylthiazol- 2-yl)-2,5-diphenyltetrazolium bromide assay. EMT was proven by cell morphological transition and the expression changes of EMT-related markers, which were confirmed by RT-PCR, Western blotting, and indirect immunofluorescence labeling. Transwell invasion assay was used to analyze the invasive potency. The addition of genistein to the medium reduced the IA8-ARCaP and LNCaP/HIF-1a viable cell number in a dose-dependent manner (with increasing concentrations from 15 to 75 micromol/L). Less than 15 micromol/L genistein was selected as the low dose concentration, which did not affect cell proliferation. The treatment of cells with low-dose genistein induced the reversal of EMT, which was confirmed by cell morphological transition and the expression changes of EMT-related markers. The rev...Continue Reading

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Aug 24, 2010·Cancer Metastasis Reviews·Janet M PaveseRaymond C Bergan
Jan 15, 2014·Cancer Metastasis Reviews·Rhonda L BittingAndrew J Armstrong
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