内质网应激诱导的生存与凋亡机制

被引:5
作者
崔永勇
尹晓敏
周向梅
机构
[1] 中国农业大学动物医学院
关键词
内质网应激反应; 未折叠蛋白反应; 细胞凋亡;
D O I
暂无
中图分类号
Q255 [细胞的衰老与死亡];
学科分类号
071009 ; 090102 ;
摘要
内质网是细胞内重要的细胞器。未折叠蛋白或错误折叠蛋白在内质网内的大量堆积能够引起内质网应激反应(ERS)。内质网通过激活未折叠蛋白反应(UPR),暂停早期蛋白质的合成,减少未折叠蛋白或错误折叠蛋白在内质网内的聚集,从而恢复细胞的正常生理功能,保护细胞。但如果内质网应激反应持续进行或无法缓解,则会引起促凋亡因子的产生,最终导致细胞凋亡。
引用
收藏
页码:132 / 136
页数:5
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