Exp Neurobiol.
2014 Dec;23(4):324-336. 10.5607/en.2014.23.4.324.
Protein Transmission, Seeding and Degradation: Key Steps for alpha-Synuclein Prion-Like Propagation
- Affiliations
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- 1Centre de Recherche du Centre Hospitalier de Quebec, Axe Neuroscience et Departement de Medecine Moleculaire de l'Universite Laval, Quebec G1V4G2, Canada. Abid.Oueslati@crchudequebec.ulaval.ca
- 2Center for Neurosciences, Biomedical Research Foundation, Academy of Athens, Athens 11526, Greece.
- KMID: 2165537
- DOI: http://doi.org/10.5607/en.2014.23.4.324
Abstract
- Converging lines of evidence suggest that cell-to-cell transmission and the self-propagation of pathogenic amyloidogenic proteins play a central role in the initiation and the progression of several neurodegenerative disorders. This "prion-like" hypothesis has been recently reported for alpha-synuclein, a presynaptic protein implicated in the pathogenesis of Parkinson's disease (PD) and related disorders. This review summarizes recent findings on alpha-synuclein prion-like propagation, focusing on its transmission, seeding and degradation and discusses some key questions that remain to be explored. Understanding how alpha-synuclein exits cells and propagates from one brain region to another will lead to the development of new therapeutic strategies for the treatment of PD, aiming at slowing or stopping the disease progression.
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