Chaperone-mediated autophagy and endosomal microautophagy

Abstract

A variety of mechanisms deliver cytosolic materials to the lysosomal compartment for degradation through autophagy. Here, we focus on two autophagic pathways, chaperone-mediated autophagy and endosomal microautophagy that rely on the cytosolic chaperone hsc70 for substrate targeting. Although hsc70 participates in triage of proteins for degradation by different proteolytic systems, the common characteristic shared by these two forms of autophagy, is that hsc70 binds directly to a specific five amino acids motif in the cargo protein for its autophagic targeting. We summarize the current understanding of the molecular machineries behind each of these types of autophagy.

Publication
Journal of Biological Chemistry(1)
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Journal Article
Ayse Kumsal Tekirdag Kosar, PhD
Ayse Kumsal Tekirdag Kosar, PhD
Molecular Cell Biology Scientist

My research interests include autophagy regulation by microRNAs, antisense oligonucleotide biology and Parkinson’s Disease therapeutics

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