甘氨脱氧胆酸盐诱导人正常肝细胞株HL-7702凋亡过程中caspase-3,8,9蛋白活性变化及凋亡机制研究 |
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引用本文: | 传良敏,杨永长,黄文芳,饶绍琴,洪华,邓君.甘氨脱氧胆酸盐诱导人正常肝细胞株HL-7702凋亡过程中caspase-3,8,9蛋白活性变化及凋亡机制研究[J].四川医学,2010,31(1):10-12. |
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作者姓名: | 传良敏 杨永长 黄文芳 饶绍琴 洪华 邓君 |
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作者单位: | 四川省人民医院检验科,四川,成都,610072 |
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摘 要: | 目的观察甘氨脱氧胆酸盐(glycodeoxycholate,GCDC)诱导人正常肝细胞株HL.7702凋亡过程中caspase.3,8,9活性的变化,探讨其凋亡机制。方法体外培养HL-7702细胞,以GCDC为处理因素,用AnnexinV.F1TC/PI双染色法结合流式细胞技术仪检测细胞凋亡率,比色法测定caspase-3,8,9活性。结果100、150、200、250μmol/L的GCDC处理HL-7702细胞24h后以及250μmol/LGcDc处理细胞4、8、12、24h后,其细胞凋亡率、caspase-3,8,9活性明显升高,与对照组比较,差异有统计学意义(P〈O.05)。结论GCDC可通过活化caspase-8,9,进而激活caspase-3从而诱导肝细胞凋亡。
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关 键 词: | 甘氨脱氧胆酸盐 细胞凋亡 caspase |
Changes in caspase-3,8,9 activities of normal human hepatocyte HL-7702 cell in the process of apoptosis induced by glycodeoxycholate |
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Institution: | CHUAN Liang-min, YANG Yong-chang, HUANG Wen-fang, et al. ( The People's Hospital of Sichuan, Chengdu , Sichuan 610072, China) |
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Abstract: | Objective To investigate the apoptosis and changes of caspase-3,8,9 activities in cultured normal human hepatocyte HL-7702 cells induced by glycodeoxycholate(GCDC)in vitro and to explore the possible mechanism of hepatocyte apoptosis.Methods HL-7702 cells were cultured with GCDC.The apoptosis ratio of HL-7702 cells was determined by Annexin V-FITC/PI double staining.Colorimetric method was used to measure caspase-3,8,9 activities.Results When hepatocytes were incubated with GCDC for 24h,the apoptotic ratio ... |
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Keywords: | caspase |
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