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Spinocerebellar ataxia type 1

rare

Spinocerebellar ataxia type 1 (SCA1) is a subtype of type I autosomal dominant cerebellar ataxia (ADCA type I) characterized by dysarthria, writing difficulties, limb ataxia, and commonly nystagmus and saccadic abnormalities.

Identifiers
MONDO:0008119 OMIM:164400Orphanet:98755
Causal genes
ATXN1
Part of
Huntington disease-like syndromeAutosomal dominant cerebellar ataxia type I
Also known as
ATXN1 autosomal dominant cerebellar ataxia type I · autosomal dominant cerebellar ataxia type I caused by mutation in ATXN1 · OPCA1 · OPCA4 · SCA1

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