La maladie de Parkinson au Canada (serveur d'exploration)

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Interplay between Sumoylation and Phosphorylation for Protection against α-Synuclein Inclusions*

Identifieur interne : 000A25 ( Main/Exploration ); précédent : 000A24; suivant : 000A26

Interplay between Sumoylation and Phosphorylation for Protection against α-Synuclein Inclusions*

Auteurs : Hedieh Shahpasandzadeh ; Blagovesta Popova ; Alexandra Kleinknecht ; Paul E. Fraser ; Tiago F. Outeiro ; Gerhard H. Braus

Source :

RBID : PMC:4223324

English descriptors

Abstract

Background: Phosphorylation and sumoylation are post-translational modifications of the Parkinson disease protein α-synuclein.

Results: α-Synuclein inclusion clearance is impaired in yeast when sumoylation is inhibited; phosphorylation of α-synuclein can compensate SUMO impairment.

Conclusion: Sumoylation stimulates autophagy clearance of α-synuclein inclusions, whereas phosphorylation promotes autophagy and proteasome degradation.

Significance: A complex molecular post-translational cross-talk is required in yeast to clear toxic inclusions.


Url:
DOI: 10.1074/jbc.M114.559237
PubMed: 25231978
PubMed Central: 4223324


Affiliations:


Links toward previous steps (curation, corpus...)


Le document en format XML

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<term>G-Protein-Coupled Receptor Kinase 5 (metabolism)</term>
<term>Humans</term>
<term>Lewy Bodies (metabolism)</term>
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<term>G-Protein-Coupled Receptor Kinase 5</term>
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<bold>Background:</bold>
Phosphorylation and sumoylation are post-translational modifications of the Parkinson disease protein α-synuclein.</p>
<p>
<bold>Results:</bold>
α-Synuclein inclusion clearance is impaired in yeast when sumoylation is inhibited; phosphorylation of α-synuclein can compensate SUMO impairment.</p>
<p>
<bold>Conclusion:</bold>
Sumoylation stimulates autophagy clearance of α-synuclein inclusions, whereas phosphorylation promotes autophagy and proteasome degradation.</p>
<p>
<bold>Significance:</bold>
A complex molecular post-translational cross-talk is required in yeast to clear toxic inclusions.</p>
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<name sortKey="Kleinknecht, Alexandra" sort="Kleinknecht, Alexandra" uniqKey="Kleinknecht A" first="Alexandra" last="Kleinknecht">Alexandra Kleinknecht</name>
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