Sunday, October 19, 2025

Abberant α-Synuclein Confers Toxicity to Neurons in Part through Inhibition of Chaperone-Mediated Autophagy

Authors: Maria Xilouri, Tereza Vogiatzi, Kostas Vekrellis, David Park, Leonidas Stefanis

DOI: 10.1371/journal.pone.0005515

Abstract Summary

Mutant α-synuclein in Parkinson’s disease impairs a cellular cleanup system called chaperone-mediated autophagy (CMA), triggering a harmful compensatory response. Using neuronal cell models, researchers found that blocking these lysosomal dysfunctions reduced α-synuclein toxicity, suggesting CMA restoration could be a therapeutic target for Parkinson’s and related disorders.

Why Brain? 🧠

Mutant α-synuclein in Parkinson’s disease kills neurons by blocking chaperone-mediated autophagy, triggering harmful compensatory responses. Restoring this cellular cleanup pathway may offer new treatment targets.


The image is AI-generated for illustrative purposes only. Courtesy of Midjourney.

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