La maladie de Parkinson en France (serveur d'exploration)

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Neurodegeneration in Parkinson's disease: genetics enlightens physiopathology.

Identifieur interne : 000C35 ( PubMed/Corpus ); précédent : 000C34; suivant : 000C36

Neurodegeneration in Parkinson's disease: genetics enlightens physiopathology.

Auteurs : Olga Corti ; Margot Fournier ; Alexis Brice

Source :

RBID : pubmed:20411780

English descriptors

Abstract

Parkinson's disease (PD) is a severe neurodegenerative disorder of complex etiology and enigmatic physiopathology. In the past decade, the identification of genes involved in rare familial Parkinsonian syndromes has brought hope that understanding the functions of their products will provide insight into the molecular mechanisms responsible for neurodegeneration. The knowledge accumulated thus far has delineated two putative, potentially interconnected, disease-causing pathways: alpha-synuclein accumulation may be central to Parkinsonism due to alpha-synuclein gene defects, but possibly also to sporadic PD and other genetic forms presenting with Lewy bodies; altered mitochondrial physiology may be pivotal to Parkinsonian syndromes caused by parkin, PINK1, and possibly DJ-1 gene mutations. Adding new pieces to this fragmentary picture to determine to what extent sporadic PD and Parkinsonism due to distinct genetic causes share common pathogenic mechanisms remains a major challenge toward the development of future therapeutic strategies for these disabling disorders.

PubMed: 20411780

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pubmed:20411780

Le document en format XML

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<div type="abstract" xml:lang="en">Parkinson's disease (PD) is a severe neurodegenerative disorder of complex etiology and enigmatic physiopathology. In the past decade, the identification of genes involved in rare familial Parkinsonian syndromes has brought hope that understanding the functions of their products will provide insight into the molecular mechanisms responsible for neurodegeneration. The knowledge accumulated thus far has delineated two putative, potentially interconnected, disease-causing pathways: alpha-synuclein accumulation may be central to Parkinsonism due to alpha-synuclein gene defects, but possibly also to sporadic PD and other genetic forms presenting with Lewy bodies; altered mitochondrial physiology may be pivotal to Parkinsonian syndromes caused by parkin, PINK1, and possibly DJ-1 gene mutations. Adding new pieces to this fragmentary picture to determine to what extent sporadic PD and Parkinsonism due to distinct genetic causes share common pathogenic mechanisms remains a major challenge toward the development of future therapeutic strategies for these disabling disorders.</div>
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