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Investigation of the Role of Mitochondrial DNA in Multiple Sclerosis Susceptibility

By Maria Ban, Joanna Elson, Amie Walton, Douglas Turnbull, Alastair Compston, Patrick Chinnery and Stephen Sawcer


Several lines of evidence suggest that mitochondrial genetic factors may influence susceptibility to multiple sclerosis. To explore this hypothesis further, we re-sequenced the mitochondrial genome (mtDNA) from 159 patients with multiple sclerosis and completed a haplogroup analysis including a further 835 patients and 1,506 controls. A trend towards over-representation of super-haplogroup U was the only evidence for association with mtDNA that we identified in these samples. In a parallel analysis of nuclear encoded mitochondrial genes, we also found a trend towards association with the complex I gene, NDUFS2. These results add to the evidence suggesting that variation in mtDNA and nuclear encoded mitochondrial genes may contribute to disease susceptibility in multiple sclerosis

Topics: Research Article
Publisher: Public Library of Science
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Provided by: PubMed Central

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