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Abstract Title:

Piceatannol, a natural stilbene from grapes, induces G1 cell cycle arrest in androgen-insensitive DU145 human prostate cancer cells via the inhibition of CDK activity.

Abstract Source:

Cancer Lett. 2009 Nov 28 ;285(2):166-73. Epub 2009 May 31. PMID: 19487074

Abstract Author(s):

Yeo Myeong Lee, Do Young Lim, Han Jin Cho, Mi Ra Seon, Jin-Kyung Kim, Boo-Yong Lee, Jung Han Yoon Park

Article Affiliation:

Yeo Myeong Lee

Abstract:

We have examined whether and by what mechanism piceatannol inhibits cell cycle progression in DU145 cells. The treatment of cells with piceatannol for 24h resulted in an increase in the percentage of cells in G1 phase and dose-dependent decreases in [(3)H]thymidine incorporation, as well as in protein levels of cyclin A, cyclin D1, and cyclin-dependent kinase (CDK)2 and CDK4. Piceatannol exerted no effect on the levels of p21(WAF1/CIP1) or p27(KIP1). Piceatannol reduced CDK4 and CDK2 activity. These results indicate that delaying G1 cell cycle progression contributes to the piceatannol-mediated inhibition of DU145 cell growth, which may be mediated via the inhibition of CDK activity.

Study Type : In Vitro Study

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Sayer Ji
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