Cited by 2,024Parkinson's Disease Mechanisms and TreatmentsAutophagy in Disease and TherapyAlzheimer's disease research and treatments

Impaired Degradation of Mutant α-Synuclein by Chaperone-Mediated Autophagy

Cuervo, Ana Maria, Stefanis, Leonidas, Fredenburg, Ross, Lansbury, Peter T., Sulzer, David·2004·Science

Abstract

Aberrant α-synuclein degradation is implicated in Parkinson's disease pathogenesis because the protein accumulates in the Lewy inclusion bodies associated with the disease. Little is known, however, about the pathways by which wild-type α-synuclein is normally degraded. We found that wild-type α-synuclein was selectively translocated into lysosomes for degradation by the chaperone-mediated autophagy pathway. The pathogenic A53T and A30P α-synuclein mutants bound to the receptor for this pathway on the lysosomal membrane, but appeared to act as uptake blockers, inhibiting both their own degradation and that of other substrates. These findings may underlie the toxic gain-of-function by the mutants.

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Crossref · 10.1126/science.1101738

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27 of 27 references verified0 citation errors · 0 not checkable

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Authors
Cuervo, A. M., Stefanis, L., Fredenburg, R., Lansbury, P. T., & Sulzer, D.
Affiliations
  • Department of Anatomy and Structural Biology, Marion Bessin Liver Research Center, Albert Einstein College of Medicine, Bronx, NY 10461, USA.
  • Brigham and Women's Hospital (US)
Venue
Science
Published
2004-08-27
Volume
305
Issue
5688
Pages
1292-1295
ISSN
  • 0036-8075 (ISSN-L)
  • 1095-9203
OpenAlex
W2068288454
Cited by
2,024
References
28
Citations by year
2026: 64 · 2025: 77 · 2024: 102 · 2023: 71 · 2022: 107 · 2021: 114 · 2020: 128 · 2019: 114 · 2018: 117 · 2017: 101 · 2016: 95 · 2015: 92 · 2014: 93 · 2013: 108 · 2012: 119
FWCI
34.33
Type
journal article
Language
en
Open access
closed
Locations
  • Science (publishedVersion)
  • PubMed (publishedVersion)
Funders
National Institute on Aging (AG-021904)
Topics
  • Health Sciences › Medicine › Neurology › Parkinson's Disease Mechanisms and Treatments
  • Health Sciences › Medicine › Epidemiology › Autophagy in Disease and Therapy
  • Health Sciences › Medicine › Physiology › Alzheimer's disease research and treatments
Keywords
alpha-synuclein, chaperone-mediated autophagy, Parkinson's disease, lysosomal degradation, A53T mutant, Lewy bodies, gain-of-function toxicity, protein degradation pathways
MeSH terms
Animals, Autophagy, Cells, Cultured, Glyceraldehyde-3-Phosphate Dehydrogenases, Half-Life, Intracellular Membranes, Lysosomes, Male, Mutation, Nerve Tissue Proteins, Neurons, Protein Binding, Antigens, CD, PC12 Cells, Rats, Wistar, Molecular Chaperones, Amino Acid Motifs, Protein Transport, Mice, Rats, Synucleins, alpha-Synuclein, Lysosomal Membrane Proteins

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