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Effects of chlorzoxazone on HepG2 tumor cells / 中国药理学通报
Chinese Pharmacological Bulletin ; (12)2003.
Article in Chinese | WPRIM | ID: wpr-562171
ABSTRACT
Aim To investigate effects of chlorzoxazone on survival and apoptosis of HepG2 cells.Methods The necrosis of HepG2 cells was evaluated by measurement of LDH release.The effects of chlorzoxazone on survival of HepG2 cells were assayed by MTT dyereduction.The effects of chlorzoxazone on cell apoptosis was analyzed by TUNEL method.The ultrastructure of HepG2 cells was observed by transmission electron microscope.Results Chlorzoxazone at concentrations of 100~500 ?mol?L-1 inhibited survival ratios of HepG2 cells in a dose-dependent manner significantly.Typical apoptotic changes were observed in HepG2 cells under the fluorescence microscope and transmission electron microscope.Apoptosis of HepG2 cells was induced after treatment of chlorzoxazone at concentrations from 100 ?mol?L-1 to 500 ?mol?L-1 for 48h,which showed obvious concentration-effect relationship.The apoptotic ratios of HepG2 cells were also increased when chlorzoxazone(100,200,300 and 500 ?mol?L-1) was treated for 24,48 and 72 h,which showed obvious time-effect relationship.Conclusion Chlorzoxazone inhibited HepG2 cells survival and induced cell apoptosis.

Full text: Available Index: WPRIM (Western Pacific) Language: Chinese Journal: Chinese Pharmacological Bulletin Year: 2003 Type: Article

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Full text: Available Index: WPRIM (Western Pacific) Language: Chinese Journal: Chinese Pharmacological Bulletin Year: 2003 Type: Article