Cited by 885Genetic Neurodegenerative DiseasesAutophagy in Disease and TherapyLysosomal Storage Disorders Research

The DOI matches its Crossref record; 46 of the 46 references it cites were found in a registry or an index.

Cargo recognition failure is responsible for inefficient autophagy in Huntington’s disease

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Martinez-Vicente, Marta, Talloczy, Zsolt, Wong, Esther, Tang, Guomei, Koga, Hiroshi, Kaushik, Susmita, de Vries, Rosa, Arias, Esperanza, Harris, Spike, Sulzer, David, Cuervo, Ana Maria·2010·Nature Neuroscience

Abstract

Continuous turnover of intracellular components by autophagy is necessary to preserve cellular homeostasis in all tissues. Alterations in macroautophagy, the main process responsible for bulk autophagic degradation, have been proposed to contribute to pathogenesis in Huntington's disease (HD), a genetic neurodegenerative disorder caused by an expanded polyglutamine tract in the huntingtin protein. However, the precise mechanism behind macroautophagy malfunction in HD is poorly understood. In this work, using cellular and mouse models of HD and cells from humans with HD, we have identified a primary defect in the ability of autophagic vacuoles to recognize cytosolic cargo in HD cells. Autophagic vacuoles form at normal or even enhanced rates in HD cells and are adequately eliminated by lysosomes, but they fail to efficiently trap cytosolic cargo in their lumen. We propose that inefficient engulfment of cytosolic components by autophagosomes is responsible for their slower turnover, functional decay and accumulation inside HD cells.

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Authors
Martinez-Vicente, M., Talloczy, Z., Wong, E., Tang, G., Koga, H., Kaushik, S., de Vries, R., Arias, E., Harris, S., Sulzer, D., & Cuervo, A. M.
Affiliations
  • Albert Einstein College of Medicine (US)
  • Columbia University Irving Medical Center (US)
Corresponding author
Sulzer, David
Venue
Nature Neuroscience
Published
2010-04-11
Volume
13
Issue
5
Pages
567-576
ISSN
  • 1097-6256 (ISSN-L)
  • 1546-1726
OpenAlex
W2129447571
Cited by
885
References
45
Citations by year
2026: 37 · 2025: 53 · 2024: 40 · 2023: 53 · 2022: 49 · 2021: 70 · 2020: 68 · 2019: 58 · 2018: 69 · 2017: 53 · 2016: 47 · 2015: 58 · 2014: 59 · 2013: 47 · 2012: 56
FWCI
22.13
Type
journal article
Language
en
Open access
Locations
  • Nature Neuroscience (publishedVersion)
  • PubMed (publishedVersion)
  • PubMed Central (acceptedVersion)
Funders
  • National Institute on Aging (R01AG021904, R37AG021904, P01AG031782, AG-021904, AG031782, T32AG023475)
  • National Institute of Diabetes and Digestive and Kidney Diseases (DK041918, P01DK041918)
  • National Institute of Neurological Disorders and Stroke (P50NS038370)
Topics
  • Life Sciences › Neuroscience › Cellular and Molecular Neuroscience › Genetic Neurodegenerative Diseases
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Cell Biology › Autophagy in Disease and Therapy
  • Health Sciences › Medicine › Genetics (clinical) › Lysosomal Storage Disorders Research
Keywords
Huntington's disease, autophagy, cargo recognition, autophagosome formation, autophagosome degradation, lysosomal clearance, neurodegeneration, striatal neurons
MeSH terms
Animals, Autophagy, Cells, Cultured, Disease Models, Animal, Enzyme Inhibitors, Humans, Huntington Disease, Immunosuppressive Agents, Lysosomes, Mice, Transgenic, Microtubule-Associated Proteins, Mitochondria, Nerve Tissue Proteins, Neurons, Peptides, Subcellular Fractions, Time Factors, Vinca Alkaloids, Apoptosis, Thapsigargin, Sirolimus, Hepatocytes, Serum, Microscopy, Electron, Transmission, Serotonin Plasma Membrane Transport Proteins, Mice

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