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Depression: 21st Century Solutions + The Dark Side of Wheat

Abstract Title:

Resveratrol induces apoptosis and cell cycle arrest of human T24 bladder cancer cells in vitro and inhibits tumor growth in vivo.

Abstract Source:

Cancer Sci. 2010 Feb;101(2):488-93. Epub 2009 Oct 27. PMID: 20028382

Abstract Author(s):

Yu Bai, Qi-Qi Mao, Jie Qin, Xiang-Yi Zheng, Yun-Bin Wang, Kai Yang, Hua-Feng Shen, Li-Ping Xie

Article Affiliation:

Department of Urology, First Affiliated Hospital, Medical College, Zhejiang University, Hangzhou, China.

Abstract:

Resveratrol, a naturally occurring polyphenolic antioxidant compound present in grapes and red wine, has been reported to hold various biochemical responses. In this preliminary study, we evaluate the chemopreventive potential of resveratrol against bladder cancer and its mechanism of action. Treatment of bladder cancer cells with resveratrol resulted in a significant decrease in cell viability. Resveratrol induced apoptosis through the modulation of Bcl-2 family proteins and activation of caspase 9 and caspase 3 followed by poly(ADP-ribose) polymerase degradation. Treatment with resveratrol led to G(1) phase cell cycle arrest in T24 cells by activation of p21 and downregulation of cyclin D1, cyclin-dependent kinase 4, and phosphorylated Rb. Resveratrol also inhibited the phosphorylation of Akt, whereas the phosphorylation of p38 MAPK was enhanced. In addition, resveratrol treatment decreased the expression of vascular endothelial growth factor and fibroblast growth factor-2, which might contribute to the inhibition of tumor growth on the bladder cancer xenograft model. These findings suggest that reveratrol could be an important chemoprevention agent for bladder cancer.

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Sayer Ji
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Depression: 21st Century Solutions + The Dark Side of Wheat

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