Abstract

Objective: The purpose of our study was to evaluate Enhancement Mechanism of Dihydromyricetin (DMY) on the Inhibitory Role of Cisplatin Towards Breast Cancer Cell Activity. Materials and Methods: The MCF-7 were divided into NC, DMY, Cis and DMY+Cis groups. Using relative methods (MTT, TUNEL, Transwell, flow cytometry and wound healing) to evaluate MCF-7 cell biological activities including cell viability, apoptosis, invasion cell number and wound healing rate. The relative proteins expressions including FOXO-1, Noxa, Bim, Cyto C, Caspase-3, Caspase-9 and Apaf-1 were evaluated by WB assay. Results: MCF-7 cell viability, invasion cell number and wound healing rates were significantly depressed and apoptosis rate were significantly increased in DMY, Cis and DMY+Cis groups (P < 0.01, respectively). Compared with Cis group, cell viability, invasion cell number and wound healing rates were significantly depressed and apoptosis rate were significantly increased in DMY+Cis group (P < 0.05, respectively). Conclusion: Dihydromyricetin can effectively enhance the inhibitory effect of cisplatin on breast cancer cells.

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