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Grape Skin Polyphenols (GSPs) Inhibit the Migration of Mouse Mammary Carcinoma 4T1 Cells in Vitro
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作者 Qiu-yu CHEN Zhi-qiang LIANG +1 位作者 Tao SUN Xiang-jun SUN 《Clinical oncology and cancer researeh》 CAS CSCD 2011年第1期33-37,共5页
OBJECTIVE 1) To study the efficacy of GSPs on the migration of highly metastatic mammary carcinoma cells and 2) To investigate inhibition mechanisms.METHODS Cell migration was assessed using a 24-well transwell assa... OBJECTIVE 1) To study the efficacy of GSPs on the migration of highly metastatic mammary carcinoma cells and 2) To investigate inhibition mechanisms.METHODS Cell migration was assessed using a 24-well transwell assay. Cells with different concentrations of GSPs were suspended (5×105 cell/mL) in RPMI 1640 media in the upper chamber, and RPMI 1640 media with 10% FBS was supplemented in the lower chamber. Then, cells were allowed to migrate for 24 h.RESULTS GSPs inhibited the migration of 4T1 cells in a dosedependent manner. The migration of 4T1 cells was obviously inhibited by GSPs, even at a very low concentration (5 μg/mL),and was totally inhibited when the concentration was 20 μg/mL.Also, 20 μg/mL of GSPs inhibited cell viability by only 11.4% and induced early apoptosis by only 5.6% compared with a percentage of 4.0% in control cells. GSPs suppressed the activation of PDK1,Akt and Erk1/2 in a dose-dependent manner.CONCLUSION GSPs significantly inhibit the migration of highly metastatic mammary carcinoma 4T1 cells in vitro. This inhibition is independent of decreased cell viability or apoptosis induction. The inhibition of migration by GSPs is involved in blocking the PI3k/Akt and MAPK pathways. 展开更多
关键词 grape skin polyphenols (GSPs) mammary carcinoma cells MIGRATION inhibition mechanism
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