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2015 ; 75
(ä): 133-40
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Methods to study chaperone-mediated autophagy
#MMPMID25595300
Patel B
; Cuervo AM
Methods
2015[Mar]; 75
(ä): 133-40
PMID25595300
show ga
Chaperone-mediated autophagy (CMA) is a multistep process that involves selective
degradation and digestion of a pool of soluble cytosolic proteins in lysosomes.
Cytosolic substrates are selectively identified and targeted by chaperones to
lysosomes where they are subsequently translocated into the organelle lumen
through a dedicated CMA-associated lysosomal membrane receptor/translocation
complex. CMA contributes to maintaining a functional proteome, through
elimination of altered proteins, and participates in the cellular energetic
balance through amino acid recycling. Defective or dysfunctional CMA has been
associated with human pathologies such as neurodegeneration, cancer,
immunodeficiency or diabetes, increasing the overall interest in methods to
monitor this selective autophagic pathway. Here, we describe approaches used to
study CMA in different experimental models.