Huntington's disease: molecular basis of neurodegeneration.

Abstract excerpt

Huntington's disease (HD) is an autosomal dominant neurodegenerative disorder caused by a CAG trinucleotide repeat expansion in the HD gene. The expanded repeats are translated into an abnormally long polyglutamine tract close to the N-terminus of the HD gene product ('huntingtin'). Studies in humans and mouse models suggest that the mutation is associated with a deleterious gain-of-function. Several studies have...

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