Article
Autosomal dominant cerebellar ataxia: phenotypic differences in genetically defined subtypes?
Annals of neurology - 1 Dec 1997
Schöls L, Amoiridis G, Büttner T, Przuntek H, Epplen J T, Riess O
Abstract excerpt
Seventy-seven families with autosomal dominant cerebellar ataxia were analyzed for the CAG repeat expansions causing spinocerebellar ataxia (SCA) types 1, 2, 3, and 6. The SCA1 mutation accounted for 9%, SCA2 for 10%, SCA3 for 42%, and SCA6 for 22% of German ataxia families. Seven of 27 SCA6 patients had no family history of ataxia. Age at onset correlated inversely with repeat length in all subtypes. Yet the...
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