" /> Spinocerebellar ataxia 29 - CISMeF





Preferred Label : Spinocerebellar ataxia 29;

Symbol : SCA29;

CISMeF acronym : ACV; CNPCA; SCA29;

Type : Phenotype, molecular basis known;

Alternative titles and symbols : Cerebellar vermis aplasia; Aplasia of cerebellar vermis; CNPCA; ACV; Cerebellar ataxia, congenital nonprogressive, autosomal dominant;

Description : Spinocerebellar ataxia-29 is an autosomal dominant neurologic disorder characterized by onset in infancy of delayed motor development and mild cognitive delay. Affected individuals develop a very slowly progressive or nonprogressive gait and limb ataxia associated with cerebellar atrophy on brain imaging. Additional variable features include nystagmus, dysarthria, and tremor (summary by Huang et al., 2012). Heterozygous mutation in the ITPR1 gene also causes SCA15 (606658), which is distinguished by later age at onset and normal cognition. For a general discussion of autosomal dominant spinocerebellar ataxia, see SCA1 (164400).;

Inheritance : Autosomal dominant;

Molecular basis : Caused by mutation in the inositol 1,4,5-triphosphate receptor 1 gene (ITPR1, 147265.0003);

Prefixed ID : #117360;

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26/04/2025


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