雷帕霉素诱导细胞自噬在衰老相关疾病中的作用

被引:16
作者
吴伯艳 [1 ,2 ,3 ]
刘新光 [1 ,2 ,3 ]
陈维春 [1 ,3 ]
机构
[1] 广东医学院衰老研究所
[2] 广东省医学分子诊断重点实验室
[3] 广东医学院生物化学与分子生物学研究所
基金
广东省自然科学基金;
关键词
雷帕霉素; 雷帕霉素靶蛋白; 自噬; 早老症; 早老蛋白; 神经退行性疾病;
D O I
暂无
中图分类号
R363 [病理生理学];
学科分类号
100104 ;
摘要
哺乳动物雷帕霉素靶蛋白(mammalian target of rapamycin,m TOR)是衰老和衰老相关疾病的一个关键调节因子。雷帕霉素(rapamycin,RAPA)可通过抑制m TOR通路,诱导和促进细胞自噬的发生。细胞自噬是维持细胞内稳态的主要方式与途径,通过降解多余的、受损的及衰老的蛋白与细胞器,为细胞重建、再生和修复提供必需原料。早老症(hutchinson-gilford progeria syndrome,HGPS)患者细胞中伴随早老蛋白(progerin)的异常聚集;此外,诸如亨廷顿病、帕金森病、阿尔茨海默病等神经退行性疾病细胞内同样出现异常蛋白质的聚集,而这些异常蛋白的清除正依赖于细胞的自噬作用。由此可见,雷帕霉素是潜在的抗衰老、治疗早老症及衰老相关疾病的重要药物。该文主要阐述雷帕霉素促进细胞自噬方面的功能及在HGPS、神经退行性疾病方面的应用。
引用
收藏
页码:11 / 14
页数:4
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