Human Molecular Genetics Advance Access originally published online on August 26, 2005
Human Molecular Genetics 2005 14(18):2749-2755; doi:10.1093/hmg/ddi308
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Molecular pathogenesis of Parkinson's disease
Department of Molecular Neuroscience, Institute of Neurology, Queen Square, London
* To whom correspondence should be addressed. Email: n.wood{at}ion.ucl.ac.uk
Received August 2, 2005; Accepted August 6, 2005
Parkinson's disease (PD) is a common and incurable neurodegenerative disease, affecting 1% of the population over the age of 65. Despite a well-described clinical and pathological phenotype, the molecular mechanisms which lead to neurodegeneration remain elusive. However, there is a wealth of evidence from both toxin based models and genetic based models, which suggest a major etiologic role for mitochondrial dysfunction, protein aggregation, the ubiquitinproteasome system and kinase signalling pathways in the pathogenesis of PD. Ultimately, an understanding of the molecular events which precipitate neurodegeneration in idiopathic PD will enable the development of targeted and effective therapeutic strategies. We review the latest evidence for the proposed molecular processes and discuss their relevance to the pathogenesis of sporadic PD.
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