Cited by 393Ubiquitin and proteasome pathwaysGenetic Neurodegenerative DiseasesAutophagy in Disease and Therapy

Ubiquitin, cellular inclusions and their role in neurodegeneration

Alves-Rodrigues, Alexandra, Gregori, Luisa, Figueiredo-Pereira, Maria E·1998·Trends in Neurosciences

Abstract

Covalent binding of ubiquitin to proteins marks them for degradation by the ubiquitin/ATP-dependent pathway. This pathway plays a major role in the breakdown of abnormal proteins that result from oxidative stress, neurotoxicity and mutations. Failure to eliminate ubiquitinated proteins disrupts cellular homeostasis, causing degeneration. Inclusions containing ubiquitinated proteins are commonly detected in many neurological disorders. These aggregates are mostly cytosolic; nevertheless, ubiquitinated inclusions are found in endosomes/lysosomes in Alzheimer's disease and prion encephalopathies, and in nuclei in disorders associated with CAG/polyglutamine repeats, such as Huntington's disease and spinocerebellar ataxias. Ubiquitinated aggregates must result from a malfunction or overload of the ubiquitin/ATP-dependent pathway or from structural changes in the protein substrates, halting their degradation. Prevention of protein aggregation in these diseases might offer new therapeutic leads.

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Crossref · 10.1016/s0166-2236(98)01276-4

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59 of 59 references verified0 citation errors · 0 not checkable

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  • Nearly every neurodegenerative disorder is marked by accumulation of misfolded proteins within or adjacent to affected neurons and glia.

    “This notion is underscored by the fact that nearly every neurodegenerative disorder is marked by the accumulation of misfolded proteins within or adjacent to affected neurons and glia, in spite of heterogeneous clinical and pathological characteristics among these diseases [68,69].”

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Authors
Alves-Rodrigues, A., Gregori, L., & Figueiredo-Pereira, M. E.
Affiliations
Baltimore VA Medical Center (US)
Venue
Trends in Neurosciences
Publisher
Elsevier BV
Published
1998-12
Volume
21
Issue
12
Pages
516-520
ISSN
0166-2236 (ISSN-L)
OpenAlex
W2116552323
Cited by
393
References
59
Citations by year
2026: 2 · 2025: 3 · 2024: 12 · 2023: 10 · 2022: 3 · 2021: 3 · 2020: 4 · 2019: 6 · 2018: 6 · 2017: 3 · 2016: 10 · 2015: 7 · 2014: 9 · 2013: 4 · 2012: 14
FWCI
2.29
Type
journal article
Language
en
Open access
closed
Locations
  • Trends in Neurosciences (publishedVersion)
  • PubMed (publishedVersion)
Funders
  • National Institutes of Health (5r01ns034018-08)
  • National Institute of Neurological Disorders and Stroke (NS-34018)
Topics
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Molecular Biology › Ubiquitin and proteasome pathways
  • Life Sciences › Neuroscience › Cellular and Molecular Neuroscience › Genetic Neurodegenerative Diseases
  • Health Sciences › Medicine › Epidemiology › Autophagy in Disease and Therapy
Keywords
ubiquitin, ubiquitin-proteasome system, protein aggregation, neurodegeneration, cellular inclusions, protein degradation, Alzheimer's disease, Huntington's disease, spinocerebellar ataxia, polyglutamine repeat, lysosomal inclusions, proteostasis
MeSH terms
Animals, Inclusion Bodies, Humans, Lysosomes, Models, Molecular, Mutation, Neurons, Endosomes, Ubiquitins, Reactive Oxygen Species, Neurodegenerative Diseases

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