_:vb50937993 . _:vb50937993 . _:vb50937993 "An autosomal dominant cerebellar ataxia that is characterized by progressive ataxia, nystagmus, dysarthria and dysphagia, has_material_basis_in mutation in the ITPR1 gene."^^ . _:vb50937993 . _:vb50937993 "url:https://rarediseases.info.nih.gov/diseases/10477/spinocerebellar-ataxia-15"^^ . _:vb50937993 . _:vb50937993 .