Molecular genetics and pathogenesis of Friedreich ataxia.


Friedreich ataxia, the most frequent cause of inherited ataxia, is due in most cases to a large expansion of an intronic GAA repeat, resulting in decreased expression of the target frataxin gene. The autosomal recessive inheritance of the disease gives this triplet repeat mutation some unique features of natural history and evolution. Frataxin is a… (More)


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