Panax notoginseng saponins enhances the cytotoxicity of cisplatin via increasing gap junction intercellular communication.

作者: Mei-ling Yu , Cui-ling Zhang , Dong-dong Yuan , Xu-hui Tong , Liang Tao

DOI: 10.1248/BPB.B110535

关键词:

摘要: Panax Notoginseng Saponins (PNS) have been well known to anti-tumor activity and enhance cytotoxicity of some cancer chemotherapy agents, but the mechanisms underlying these effects are still unknown. This study investigates effect PNS on cisplatin relationship between this modulation gap junctions (GJ) function by in a transfected cell line. The (0.25-1 µg/mL) was increased presence GJ. Inhibition junction either GJ blocker or interception Connexin (Cx) expression decreased cisplatin. Increasing enhanced cisplatin, only cells with functional (50-200 µg/mL) significantly cytotoxicity, required cells. Exposure for 4 h leads significant dye coupling dose-dependent manner. These results suggest that increases through enhancement activity.

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