Cited by 750Parkinson's Disease Mechanisms and TreatmentsNuclear Receptors and SignalingUbiquitin and proteasome pathways

Parkin ubiquitinates the α-synuclein–interacting protein, synphilin-1: implications for Lewy-body formation in Parkinson disease

Chung, Kenny K.K., Zhang, Yi, Lim, Kah Leong, Tanaka, Yuji, Huang, Hui, Gao, Jun, Ross, Christopher A., Dawson, Valina L. +1 more·2001·Nature Medicine

Abstract

Parkinson disease is a common neurodegenerative disorder characterized by the loss of dopaminergic neurons and the presence of intracytoplasmic-ubiquitinated inclusions (Lewy bodies). Mutations in alpha-synuclein (A53T, A30P) and parkin cause familial Parkinson disease. Both these proteins are found in Lewy bodies. The absence of Lewy bodies in patients with parkin mutations suggests that parkin might be required for the formation of Lewy bodies. Here we show that parkin interacts with and ubiquitinates the alpha-synuclein-interacting protein, synphilin-1. Co-expression of alpha-synuclein, synphilin-1 and parkin result in the formation of Lewy-body-like ubiquitin-positive cytosolic inclusions. We further show that familial-linked mutations in parkin disrupt the ubiquitination of synphilin-1 and the formation of the ubiquitin-positive inclusions. These results provide a molecular basis for the ubiquitination of Lewy-body-associated proteins and link parkin and alpha-synuclein in a common pathogenic mechanism through their interaction with synphilin-1.

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Crossref · 10.1038/nm1001-1144

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  • Up to 80% of dopaminergic cells in the nigro-striatal system are lost before the cardinal motor features of Parkinson's disease start to appear.

    “It is estimated that up to 80% of dopaminergic cells in the nigro-striatal system are lost before the cardinal motor features of PD start to appear (Chung et al. 2001).”

    From The clinical symptoms of Parkinson's disease. (2016) · cites this paper as Chung et al. 2001

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Authors
Chung, K. K. K., Zhang, Y., Lim, K. L., Tanaka, Y., Huang, H., Gao, J., Ross, C. A., Dawson, V. L., & Dawson, T. M.
Affiliations
Johns Hopkins University (US)
Corresponding author
Dawson, Ted M.
Venue
Nature Medicine
Published
2001-10
Volume
7
Issue
10
Pages
1144-1150
ISSN
  • 1078-8956 (ISSN-L)
  • 1546-170X
OpenAlex
W1529474377
Cited by
750
References
47
Citations by year
2026: 10 · 2025: 11 · 2024: 15 · 2023: 22 · 2022: 11 · 2021: 23 · 2020: 18 · 2019: 12 · 2018: 14 · 2017: 21 · 2016: 22 · 2015: 20 · 2014: 17 · 2013: 17 · 2012: 27
FWCI
42.95
Type
journal article
Language
en
Open access
closed
Locations
  • Nature Medicine (publishedVersion)
  • PubMed (publishedVersion)
  • Rare & Special e-Zone (The Hong Kong University of Science and Technology) (submittedVersion)
  • National University of Singapore (submittedVersion)
Funders
National Institute of Neurological Disorders and Stroke (NS 38377, P50NS038377)
Topics
  • Health Sciences › Medicine › Neurology › Parkinson's Disease Mechanisms and Treatments
  • Life Sciences › Neuroscience › Cellular and Molecular Neuroscience › Nuclear Receptors and Signaling
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Molecular Biology › Ubiquitin and proteasome pathways
Keywords
Parkin, synphilin-1, alpha-synuclein, ubiquitination, Lewy bodies, Parkinson's disease, familial Parkinson's disease, protein-protein interaction, ubiquitin-positive inclusions, parkin mutations, alpha-synuclein mutations
MeSH terms
Animals, Carrier Proteins, Cell Line, Glycosylation, Humans, Ligases, Nerve Tissue Proteins, Parkinson Disease, Ubiquitins, Mutagenesis, Lewy Bodies, Ubiquitin-Protein Ligases, Rats, Synucleins, alpha-Synuclein

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