小檗碱上调程序性细胞死亡蛋白4抑制黑色素瘤B16细胞增殖及促细胞凋亡的研究

被引:4
作者
王迪
徐楠
郭家妍
宋跃
唐明睿
机构
[1] 中国医科大学附属第一医院整形外科
关键词
小檗碱; 程序性细胞死亡蛋白4; 黑色素瘤B16细胞; 细胞周期; 细胞增殖; 细胞凋亡; 基因敲除;
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
目的探讨小檗碱对黑色素瘤B16细胞增殖、凋亡的影响。方法使用CCK-8法检测细胞增殖活力;使用流式细胞仪检测细胞周期;使用脂质体转染siRNA敲减程序性细胞死亡蛋白4(PDCD4)基因;使用实时荧光定量聚合酶链式反应(qRT-PCR)明确敲减情况;使用流式细胞仪检测细胞凋亡情况;使用Western-blotting检测PDCD4增殖、凋亡情况及其相关蛋白表达。结果小檗碱可抑制黑色素瘤B16细胞的增殖活力,并将其细胞周期阻滞于G0/G1期; PDCD4是小檗碱抑制B16细胞增殖、促细胞凋亡的关键基因;小檗碱处理可增高PDCD4、Cleaved Caspase-3、Bcl-2相关X蛋白(Bax)的表达水平,降低Ki-67、Bcl-2的表达水平,敲除PDCD4能减弱小檗碱对黑色素瘤B16细胞Ki-67、Bcl-2、Bax、Cleaved Caspase-3的影响。结论小檗碱通过上调PDCD4来抑制黑色素瘤B16细胞增殖并促使其凋亡。
引用
收藏
页码:82 / 86
页数:5
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