Cited by 2,024Parkinson's Disease Mechanisms and TreatmentsUbiquitin and proteasome pathwaysNuclear Receptors and Signaling

Familial Parkinson disease gene product, parkin, is a ubiquitin-protein ligase

Shimura, Hideki, Hattori, Nobutaka, Kubo, Shin-ichiro, Mizuno, Yoshikuni, Asakawa, Shuichi, Minoshima, Shinsei, Shimizu, Nobuyoshi, Iwai, Kazuhiro +3 more·2000·Nature Genetics

Abstract

Autosomal recessive juvenile parkinsonism (AR-JP), one of the most common familial forms of Parkinson disease, is characterized by selective dopaminergic neural cell death and the absence of the Lewy body, a cytoplasmic inclusion body consisting of aggregates of abnormally accumulated proteins. We previously cloned PARK2, mutations of which cause AR-JP (ref. 2), but the function of the gene product, parkin, remains unknown. We report here that parkin is involved in protein degradation as a ubiquitin-protein ligase collaborating with the ubiquitin-conjugating enzyme UbcH7, and that mutant parkins from AR-JP patients show loss of the ubiquitin-protein ligase activity. Our findings indicate that accumulation of proteins that have yet to be identified causes a selective neural cell death without formation of Lewy bodies. Our findings should enhance the exploration of the molecular mechanisms of neurodegeneration in Parkinson disease as well as in other neurodegenerative diseases that are characterized by involvement of abnormal protein ubiquitination, including Alzheimer disease, other tauopathies, CAG triplet repeat disorders and amyotrophic lateral sclerosis.

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Crossref · 10.1038/77060

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Authors
Shimura, H., Hattori, N., Kubo, S.-I., Mizuno, Y., Asakawa, S., Minoshima, S., Shimizu, N., Iwai, K., Chiba, T., Tanaka, K., & Suzuki, T.
Affiliations
  • Juntendo University (JP)
  • Keio University (JP)
  • Japan Science and Technology Agency (JP)
Corresponding author
Tanaka, Keiji
Venue
Nature Genetics
Published
2000-07
Volume
25
Issue
3
Pages
302-305
ISSN
  • 1061-4036 (ISSN-L)
  • 1546-1718
OpenAlex
W1550876205
Cited by
2,024
References
30
Citations by year
2026: 34 · 2025: 29 · 2024: 49 · 2023: 48 · 2022: 41 · 2021: 54 · 2020: 60 · 2019: 51 · 2018: 57 · 2017: 67 · 2016: 75 · 2015: 72 · 2014: 83 · 2013: 102 · 2012: 98
FWCI
70.08
Type
journal article
Language
en
Open access
closed
Locations
  • Nature Genetics (publishedVersion)
  • PubMed (publishedVersion)
Topics
  • Health Sciences › Medicine › Neurology › Parkinson's Disease Mechanisms and Treatments
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Molecular Biology › Ubiquitin and proteasome pathways
  • Life Sciences › Neuroscience › Cellular and Molecular Neuroscience › Nuclear Receptors and Signaling
Keywords
Parkin, PARK2, autosomal recessive juvenile parkinsonism, Parkinson's disease, ubiquitin-protein ligase, UbcH7, protein degradation, dopaminergic neuron death, Lewy bodies, neurodegeneration, ubiquitination, Alzheimer's disease, tauopathy, amyotrophic lateral sclerosis
MeSH terms
Humans, Ligases, Parkinson Disease, Recombinant Fusion Proteins, Tumor Cells, Cultured, Ubiquitins, Ubiquitin-Conjugating Enzymes, Ubiquitin-Protein Ligases

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