title: Mitochondrial dysfunction in familial amyotrophic lateral sclerosis.
abstract: A growing body of evidence suggests that mitochondrial dysfunctions play a crucial role in the pathogenesis of various neurodegenerative disorders, including amyotrophic lateral sclerosis (ALS), a neurodegenerative disease affecting both upper and lower motor neurons. Although ALS is predominantly a sporadic disease, approximately 10% of cases are familial. The most frequent familial form is caused by mutations in the gene encoding Cu/Zn superoxide dismutase 1 (SOD1). A dominant toxic gain of function of mutant SOD1 has been considered as the cause of the disease and mitochondria are thought to be key players in the pathogenesis. However, the exact nature of the link between mutant SOD1 and mitochondrial dysfunctions remains to be established. Here, we briefly review the evidence for mitochondrial dysfunctions in familial ALS and discuss a possible link between mutant SOD1 and mitochondrial dysfunction.
authors.affiliation: Research Group Neurodegeneration, KULAK, Etienne Sabbelaan 53, 8500, Kortrijk, Belgium.
authors.forename: Liesbeth
authors.initials: L
authors.lastname: Faes
authors.forename: Geert
authors.initials: G
authors.lastname: Callewaert
mesh_terms: D000690:Amyotrophic Lateral Sclerosis / Q000201:enzymology* / Q000235:genetics / Q000473:pathology; D000818:Animals; D030342:Genetic Diseases, Inborn / Q000201:enzymology* / Q000235:genetics / Q000473:pathology; D006801:Humans; D008928:Mitochondria / Q000201:enzymology* / Q000235:genetics / Q000473:pathology; D009154:Mutation; D013482:Superoxide Dismutase / Q000235:genetics / Q000378:metabolism*; D000072105:Superoxide Dismutase-1
chemical_list: C000606290:SOD1 protein, human; D013482:Superoxide Dismutase; D000072105:Superoxide Dismutase-1
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