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Article Dans Une Revue Neural Regeneration Research Année : 2017

Mitochondrial quality control in amyotrophic lateral sclerosis: towards a common pathway?

Résumé

Amyotrophic lateral sclerosis (ALS) is a devastating neurodegenerative disorder characterized by loss of upper and lower motor neurons. Different mechanisms contribute to the disease initiation and progression, including mitochondrial dysfunction which has been proposed to be a central determinant in ALS pathogenesis. Indeed, while mitochondrial defects have been mainly described in ALS-linked SOD1 mutants, it is now well established that mitochondria become also dysfunctional in other ALS conditions. In such context, the mitochondrial quality control system allows to restore normal functioning of mitochondria and to prevent cell death, by both eliminating and replacing damaged mitochondrial components or by degrading the entire organelle through mitophagy. Recent evidence shows that ALS-related genes interfere with the mitochondrial quality control system. This review highlights how ineffective mitochondrial quality control may render motor neurons defenseless towards the accumulating mitochondrial damage in ALS.
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Dates et versions

hal-01998697 , version 1 (29-01-2019)

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Bilal Khalil, Jean-Charles Liévens. Mitochondrial quality control in amyotrophic lateral sclerosis: towards a common pathway?. Neural Regeneration Research, 2017, 12 (7), pp.1052-1061. ⟨10.4103/1673-5374.211179⟩. ⟨hal-01998697⟩
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