Clinical and genetic analysis of a Tunisian family with autosomal dominant cerebellar ataxia type 1 linked to the SCA2 locus.


Autosomal dominant cerebellar ataxias (ADCA) type 1 are a clinically and genetically heterogeneous group of neurodegenerative disorders. We report a large Tunisian ADCA type 1 family in which 17 patients (mean age at onset +/- SD = 35.6 +/- 15.3 years) were examined. There was mean anticipation of 10.3 +/- 15.4 years in this family; anticipation was greater… (More)


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