alexa Mitochondrial quality control in neurodegenerative diseases.


Journal of Addiction Research & Therapy

Author(s): Dupuis L

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Abstract Mutations causing genetic forms of Parkinson's disease or hereditary neuropathies have been recently shown to affect key molecular players involved in the recycling of defective mitochondria, most notably PARKIN, PINK1, Mitofusin 2 or dynein heavy chain. Interestingly, the same pathways are also indirectly targeted by multiple other mutations involved in familial forms of amyotrophic lateral sclerosis, Huntington's disease or Alzheimer's disease. These recent genetic results strongly reinforce the notion that defective mitochondrial physiology might cause neurodegeneration. Mitochondrial dysfunction has however been observed in virtually every neurodegenerative disease and appears not restricted to the most vulnerable neuronal populations affected by a given disease. Thus, the mechanisms linking defective mitochondrial quality control to death of selective neuronal populations remain to be identified. This review provides an update on the most recent literature on mitochondrial quality control and its impairment during neurodegenerative diseases. Copyright © 2013 Elsevier Masson SAS. All rights reserved. This article was published in Biochimie and referenced in Journal of Addiction Research & Therapy

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