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

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Genetic perspective on the role of the autophagy-lysosome pathway in Parkinson disease

Identifieur interne : 000714 ( Main/Exploration ); précédent : 000713; suivant : 000715

Genetic perspective on the role of the autophagy-lysosome pathway in Parkinson disease

Auteurs : Ziv Gan-Or [Canada] ; Patrick A. Dion [Canada] ; Guy A. Rouleau [Canada]

Source :

RBID : PMC:4590678

English descriptors

Abstract

Parkinson disease (PD), once considered as a prototype of a sporadic disease, is now known to be considerably affected by various genetic factors, which interact with environmental factors and the normal process of aging, leading to PD. Large studies determined that the hereditary component of PD is at least 27%, and in some populations, single genetic factors are responsible for more than 33% of PD patients. Interestingly, many of these genetic factors, such as LRRK2, GBA, SMPD1, SNCA, PARK2, PINK1, PARK7, SCARB2, and others, are involved in the autophagy-lysosome pathway (ALP). Some of these genes encode lysosomal enzymes, whereas others correspond to proteins that are involved in transport to the lysosome, mitophagy, or other autophagic-related functions. Is it possible that all these factors converge into a single pathway that causes PD? In this review, we will discuss these genetic findings and the role of the ALP in the pathogenesis of PD and will try to answer this question. We will suggest a novel hypothesis for the pathogenic mechanism of PD that involves the lysosome and the different autophagy pathways.


Url:
DOI: 10.1080/15548627.2015.1067364
PubMed: 26207393
PubMed Central: 4590678


Affiliations:


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


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<p>Parkinson disease (PD), once considered as a prototype of a sporadic disease, is now known to be considerably affected by various genetic factors, which interact with environmental factors and the normal process of aging, leading to PD. Large studies determined that the hereditary component of PD is at least 27%, and in some populations, single genetic factors are responsible for more than 33% of PD patients. Interestingly, many of these genetic factors, such as
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