Cited by 259Parkinson's Disease Mechanisms and TreatmentsHeat shock proteins researchNeuroinflammation and Neurodegeneration Mechanisms

Regulation of α-synuclein by chaperones in mammalian cells

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Burmann, Björn M., Gerez, Juan A., Matečko-Burmann, Irena, Campioni, Silvia, Kumari, Pratibha, Ghosh, Dhiman, Mazur, Adam, Aspholm, Emelie E. +7 more·2020·Nature

Abstract

Neurodegeneration in patients with Parkinson's disease is correlated with the occurrence of Lewy bodies-intracellular inclusions that contain aggregates of the intrinsically disordered protein α-synuclein 1. The aggregation propensity of α-synuclein in cells is modulated by specific factors that include post-translational modifications 2,3, Abelson-kinase-mediated phosphorylation 4,5 and interactions with intracellular machineries such as molecular chaperones, although the underlying mechanisms are unclear 6-8. Here we systematically characterize the interaction of molecular chaperones with α-synuclein in vitro as well as in cells at the atomic level. We find that six highly divergent molecular chaperones commonly recognize a canonical motif in α-synuclein, consisting of the N terminus and a segment around Tyr39, and hinder the aggregation of α-synuclein. NMR experiments 9 in cells show that the same transient interaction pattern is preserved inside living mammalian cells. Specific inhibition of the interactions between α-synuclein and the chaperone HSC70 and members of the HSP90 family, including HSP90β, results in transient membrane binding and triggers a remarkable re-localization of α-synuclein to the mitochondria and concomitant formation of aggregates. Phosphorylation of α-synuclein at Tyr39 directly impairs the interaction of α-synuclein with chaperones, thus providing a functional explanation for the role of Abelson kinase in Parkinson's disease. Our results establish a master regulatory mechanism of α-synuclein function and aggregation in mammalian cells, extending the functional repertoire of molecular chaperones and highlighting new perspectives for therapeutic interventions for Parkinson's disease.

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Authors
Burmann, B. M., Gerez, J. A., Matečko-Burmann, I., Campioni, S., Kumari, P., Ghosh, D., Mazur, A., Aspholm, E. E., Šulskis, D., Wawrzyniuk, M., Bock, T., Schmidt, A., Rüdiger, S. G. D., Riek, R., & Hiller, S.
Affiliations
  • University of Basel (CH)
  • ETH Zurich (CH)
  • Wallenberg Centre for Molecular and Translational Medicine (SE)
  • Utrecht University (NL)
Corresponding author
  • Burmann, Björn M.
  • Riek, Roland
  • Hiller, Sebastian
Venue
Nature
Published
2019-12-04
Volume
577
Issue
7788
Pages
127-132
ISSN
  • 0028-0836 (ISSN-L)
  • 1476-4687
OpenAlex
W2992154881
Cited by
255
References
38
Citations by year
2026: 12 · 2025: 32 · 2024: 38 · 2023: 56 · 2022: 53 · 2021: 36 · 2020: 27 · 2019: 1
FWCI
20.30
Type
journal article
Language
en
Open access
Locations
  • Nature (publishedVersion)
  • PubMed (publishedVersion)
  • edoc (University of Basel) (acceptedVersion, other-oa)
  • PubMed Central (acceptedVersion)
  • edoc (University of Basel) (acceptedVersion)
  • DORA Empa (Swiss Federal Laboratories for Materials Science and Technology (Empa)) (submittedVersion, other-oa)
  • RePEc: Research Papers in Economics (submittedVersion)
  • Utrecht University Repository (Utrecht University) (submittedVersion, other-oa)
  • Gothenburg University Publications Electronic Archive (Gothenburg University) (submittedVersion)
  • edoc (University of Basel)
Funders
  • National Science Foundation
  • Schweizerischer Nationalfonds zur Förderung der Wissenschaftlichen Forschung (166426, 148238, 164425, 128419)
  • Vetenskapsrådet
  • Göteborgs Universitet
  • Wallenberg Centre for Molecular and Translational Medicine
Topics
  • Health Sciences › Medicine › Neurology › Parkinson's Disease Mechanisms and Treatments
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Molecular Biology › Heat shock proteins research
  • Life Sciences › Neuroscience › Neurology › Neuroinflammation and Neurodegeneration Mechanisms
Keywords
alpha-synuclein, molecular chaperones, Parkinson's disease, protein aggregation, Hsc70, HSP90, HSP90β, Abelson kinase, mitochondrial localization, Lewy bodies, intrinsically disordered proteins, neurodegeneration
MeSH terms
Cell Survival, Humans, Magnetic Resonance Spectroscopy, Protein Processing, Post-Translational, Molecular Chaperones, alpha-Synuclein, HEK293 Cells

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