白花蛇舌草的有效成分2-羟基-3-甲基蒽醌通过Fas/FasL信号通路诱导卵巢癌细胞凋亡

被引:22
作者
万小旭 [1 ]
张行 [2 ]
王佳贺 [1 ]
机构
[1] 中国医科大学附属盛京医院老年病科
[2] 中国医科大学附属盛京医院喉科
关键词
白花蛇舌草; 2-羟基-3-甲基蒽醌; HO-8910; 凋亡;
D O I
10.14053/j.cnki.ppcr.201512001
中图分类号
R285 [中药药理学];
学科分类号
100806 [中药药理学];
摘要
目的研究中药白花蛇舌草的有效成分2-羟基-3-甲基蒽醌对人卵巢癌细胞HO-8910生长的抑制作用和凋亡的影响。方法不同浓度的2-羟基-3-甲基蒽醌与人卵巢癌细胞HO-8910分别培养0、24、48、72 h,用台盼蓝染色法测定HO-8910细胞存活率;以Annexin V FITC/PI双染流式细胞仪检测HO-8910细胞的凋亡率;Western blot法检测Fas和Fas L蛋白的表达;采用荧光比色法测定Caspase-3和Caspase-8蛋白酶的活性。结果随着2-羟基-3-甲基蒽醌浓度的增加及作用时间的延长,药物对HO-8910细胞的生长有明显的抑制作用;HO-8910细胞的凋亡率亦随之增高,且呈药物浓度及时间依赖关系;2-羟基-3-甲基蒽醌作用HO-8910细胞后Fas和Fas L的蛋白表达水平逐渐上升;Caspase-3和Caspase-8蛋白酶的表达亦逐渐增强;Caspase-3和Caspase-8抑制剂能够抑制2-羟基-3-甲基蒽醌诱导的HO-8910细胞凋亡。结论 2-羟基-3-甲基蒽醌可以诱导HO-8910细胞凋亡,Fas/Fas L通路在2-羟基-3-甲基蒽醌诱导的HO-8910细胞凋亡过程中起重要作用。
引用
收藏
页码:1405 / 1409
页数:5
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