Autophagy and the integrated stress response.

Autophagy and the integrated stress response.
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DOI:
10.1016/j.molcel.2010.09.023
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发表时间:
2010-10-22
期刊:
影响因子:
16
通讯作者:
Levine B
Levine B
中科院分区:
生物学1区
文献类型:
--
作者:
Kroemer G;Mariño G;Levine B

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自噬是一种受到严格调控的途径,涉及细胞质细胞器或细胞膜成分的溶酶体降解。这种途径可受到多种形式的细胞应激刺激,包括营养或生长因子剥夺、缺氧、活性氧、DNA 损伤、蛋白质聚集、细胞器受损或细胞内病原体。特定的、依赖刺激的信号通路和更普遍的、不依赖刺激的信号通路都会被激活,以协调自噬的不同阶段。通过特定应激刺激对自噬和其他应激反应的平行刺激,通过多功能应激信号分子对自噬和其他应激反应的双重调控,和/或通过自噬和其他应激反应的相互控制,自噬可与其他细胞应激反应相结合。因此,自噬是一个细胞生物学过程,是综合应激反应的核心组成部分。
Autophagy is a tightly regulated pathway involving the lysosomal degradation of cytoplasmic organelles or cytosolic components. This pathway can be stimulated by multiple forms of cellular stress, including nutrient or growth factor deprivation, hypoxia, reactive oxygen species, DNA damage, protein aggregates, damaged organelles or intracellular pathogens. Both specific, stimulus-dependent and more general stimulus-independent signaling pathways are activated to coordinate different phases of autophagy. Autophagy can be integrated with other cellular stress responses through parallel stimulation of autophagy and other stress responses by specific stress stimuli, through dual regulation of autophagy and other stress responses by multi-functional stress signaling molecules, and/or through mutual control of autophagy and other stress responses. Thus, autophagy is a cell biological process that is a central component of the integrated stress response.
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