How Lysosomes Sense, Integrate, and Cope with Stress.

How Lysosomes Sense, Integrate, and Cope with Stress.
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溶酶体如何感知、整合和应对压力。

DOI:
10.1016/j.tibs.2020.09.004
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发表时间:
2021-03
影响因子:
13.8
通讯作者:
Puertollano R
Puertollano R
中科院分区:
生物学1区
文献类型:
--
作者:
Saftig P;Puertollano R

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溶酶体是细胞控制分解代谢和合成代谢过程的中心。这些被膜包裹的酸性细胞器含有大约70个水解酶、200个膜蛋白和大量与溶酶体胞液面相关的辅助蛋白。辅助蛋白和跨膜蛋白聚集在信号复合体中,这些复合体感知和整合多种信号,并将信息传输到细胞核。这种交流使细胞能够对多种环境条件的变化做出反应,包括营养水平、病原体、能量可获得性和溶酶体损伤,目标是恢复细胞内环境的平衡。这篇综述总结了我们目前对主要的分子参与者和已知的途径的了解,这些分子参与了来自溶酶体或调节溶酶体功能的代谢和应激反应的控制。
Lysosomes are in the center of the cellular control of catabolic and anabolic processes. These membrane-surrounded acidic organelles contain around 70 hydrolases, 200 membrane proteins and numerous accessory proteins associated with the cytosolic surface of lysosomes. Accessory and transmembrane proteins assemble in signaling complexes that sense and integrate multiple signals and transmit the information to the nucleus. This communication allows cells to respond to changes in multiple environmental conditions, including nutrient levels, pathogens, energy availability and lysosomal damage, with the goal of restoring cellular homeostasis. This review summarizes our current understanding of the major molecular players and known pathways that are involved in control of metabolic and stress responses that either originate from lysosomes or regulate lysosomal functions.
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