内质网应激介导的细胞凋亡

被引:259
作者
关丽英
许彩民
潘华珍
机构
[1] 中国医学科学院中国协和医科大学基础医学研究所,生物化学与分子生物学国家重点实验室
关键词
内质网应激; 未折叠蛋白响应; 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
071003 [生理学];
摘要
内质网是细胞内重要的细胞器,内质网功能的损伤引起ER应激(ERS).内质网通过激活未折叠蛋白质反应(UPR)以保护由内质网应激所引起的细胞损伤,恢复细胞功能,包括暂停早期蛋白质合成、内质网分子伴侣和折叠酶的转录激活、内质网相关性降解(ERAD)的诱导.长期过强的内质网应激诱导内质网相关性细胞凋亡,清除受损细胞,包括内质网应激诱导CHOP/GADD153表达、JNK的激活以及caspase-12蛋白水解酶的活化等一系列生物学效应.
引用
收藏
页码:1136 / 1141
页数:6
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