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Signaling and induction of chaperone-mediated autophagy by the endoplasmic reticulum under stress conditions.

Li, Wenming; Yang, Qian; Mao, Zixu.
Autophagy; 14(6): 1094-1096, 2018.
Artigo em Inglês | MEDLINE | ID: mdl-29771174
Chaperone-mediated autophagy (CMA), a form of selective autophagy, maintains cellular proteostasis in response to diverse stress conditions. Whether and how endoplasmic reticulum (ER) stress triggers CMA remains elusive. In our recent study, we demonstrate that various types of ER stress activate the CMA pathway via an EIF2AK3/PERK-MAP2K4/MKK4-MAPK14/p38-dependent manner. We term this process ERICA for ER stress-induced chaperone-mediated autophagy. This pathway is activated in response to stress associated with Parkinson disease and is required for the viability of the SNc dopaminergic neurons in an animal model of Parkinson disease.
Selo DaSilva