丹皮酚对肝癌细胞HepG2凋亡及NF-κB通路的影响

被引:5
作者
钱翠娟 [1 ]
姚军 [2 ]
王建文 [1 ]
张欣 [1 ]
王宏刚 [1 ]
机构
[1] 浙江省台州市立医院
[2] 台州学院医学院检验系
关键词
肝肿瘤/中医药疗法; 丹皮酚/治疗应用; 细胞凋亡;
D O I
暂无
中图分类号
R285 [中药药理学]; R735.7 [肝肿瘤];
学科分类号
1008 ; 100214 ;
摘要
目的:研究丹皮酚对TNFα诱导的人肝癌细胞HepG2凋亡及核转录因子κB(nuclear factor-κB,NF-κB)活化的影响。方法:培养HepG2细胞分别用肿瘤坏死因子α(TNFα)刺激和丹皮酚+TNFα共同作用,并设立未加药的空白对照组,用流式细胞技术测定细胞凋亡率;Western blot分析细胞核中NF-κB p65及其细胞浆中抑制因子IκBα的表达;EMSA方法检测NF-κB表达及活化情况。结果:丹皮酚(125~500μmol/L)能抑制TNFα诱导的NF-κB活化及NF-κBp65的核转移,减少胞浆中IκBα的降解,且增强TNFα诱导的细胞凋亡。结论:下调NF-κB是丹皮酚增强TNFα诱导的HepG细胞凋亡作用的部分机制。
引用
收藏
页码:48 / 49
页数:2
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