肾气丸对非酒精性脂肪性肝炎大鼠Bcl-2/Bax、Fas/FasL信号通路的影响附视频

被引:7
作者
吴黎艳 [1 ]
叶蕾 [2 ]
何蓓晖 [2 ]
严茂祥 [2 ]
陈芝芸 [2 ]
机构
[1] 浙江中医药大学第一临床医学院
[2] 浙江省中医院消化研究室
基金
浙江省自然科学基金;
关键词
非酒精性脂肪性肝炎; 脂性凋亡; Bcl-2/Bax; Fas/Fas L信号通路; 肾气丸/药理作用; 大鼠;
D O I
暂无
中图分类号
R285.5 [中药实验药理];
学科分类号
100806 [中药药理学];
摘要
目的:观察Bcl-2/Bax、Fas/Fas L介导的信号转导通路在高脂饮食诱导的非酒精性脂肪性肝炎大鼠的作用及肾气丸对其的影响。方法:采用高脂饲料连续喂养12周建立大鼠非酒精性脂肪性肝炎模型,同时以肾气丸进行干预12周。HE染色观察大鼠肝组织病理组织学变化,免疫组织化学检测肝组织中Fas、Fas L、Bcl-2、Bax、Caspase-8蛋白的表达;Realtime-PCR法检测肝组织Caspase-8 mRNA表达。结果:模型组大鼠肝组织Bcl-2、Bax、Fas、Fas L蛋白以及Caspase-8 mRNA和蛋白表达均较正常组显著增加(P<0.01),Bcl-2/Bax比值较正常组明显的降低(P<0.05);大鼠肝组织Caspase-8蛋白表达与Fas、Fas L蛋白表达均呈明显正相关(r分别为0.907、0.804,P均<0.01);予以肾气丸干预后,Bax、Fas、Fas L蛋白的表达以及Caspase-8 mRNA和蛋白的表达均较模型组明显的降低(P<0.05),Bcl-2/Bax比值较模型组明显的增加(P<0.05),Bcl-2蛋白的表达与模型组比较差异无显著性意义(P>0.05)。结论:肾气丸可能通过影响Bcl-2/Bax、Fas/Fas L信号转导通路,下调Bax、Fas、Fas L、Caspase-8表达,减少肝细胞的脂性凋亡,从而防治大鼠非酒精性脂肪性肝炎的发生发展。
引用
收藏
页码:159 / 161
页数:3
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