β-榄香烯通过Fas/FasL信号通路调控胶质瘤细胞增殖和凋亡

被引:8
作者
明键光
李晨龙
蒋传路
机构
[1] 哈尔滨医科大学附属第二医院神经外科
关键词
神经胶质瘤; β-榄香烯; Fas/Fas L通路; 增殖; 凋亡;
D O I
暂无
中图分类号
R285 [中药药理学];
学科分类号
100806 [中药药理学];
摘要
目的探讨β-榄香烯通过Fas/Fas L信号通路对胶质瘤细胞增殖和凋亡的影响。方法以人胶质母细胞瘤U87细胞系为研究对象,分为空白对照组和β-榄香烯实验组。采用细胞毒性试验分析β-榄香烯对U87胶质瘤细胞的细胞毒性作用;四甲基偶氮唑蓝(MTT)比色法检测β-榄香烯对胶质瘤的增殖能力的影响;流式细胞仪(FCM)及Caspase活性试剂盒检测细胞凋亡;流式细胞术检测胶质瘤细胞周期;实时定量PCR、Western blot法检测细胞内Fas、Fas L的表达水平。结果胶质瘤细胞系的细胞毒性作用随着β-榄香烯浓度增加而增强,IC50为45.73μg/m L;流式细胞仪分析β-榄香烯作用于U87细胞,阻滞周期于G1/S期;β-榄香烯作用于U87胶质瘤后Fas和Fas L的mRNA和蛋白表达水平上升;β-榄香烯作用于胶质瘤细胞有抑制增殖作用,并呈浓度和时间依赖性。结论β-榄香烯可能通过上调Fas/Fas L通路的表达水平,抑制胶质瘤细胞增殖并诱导凋亡。
引用
收藏
页码:300 / 304
页数:5
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