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GTR Home > Conditions/Phenotypes > Spinocerebellar ataxia type 21

Summary

Spinocerebellar ataxia-21 (SCA21) is an autosomal dominant neurologic disorder characterized by onset in the first decades of life of slowly progressive cerebellar ataxia, which is associated with cognitive impairment in most patients (summary by Delplanque et al., 2014). For a general discussion of autosomal dominant spinocerebellar ataxia, see SCA1 (164400). [from OMIM]

Genes See tests for all associated and related genes

  • Also known as: C1orf70, SCA21, TMEM240
    Summary: transmembrane protein 240

Clinical features

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