has material basis in germline mutation in ITPR1 spinocerebellar ataxia type 29 https://github.com/monarch-initiative/mondo/issues/4521 https://www.malacards.org/card/spinocerebellar_ataxia_29 SCA29 MONDO:0007298 Orphanet:208513 Spinocerebellar ataxia type 29 (SCA29) is a rare subtype of autosomal dominant cerebellar ataxia type I (ADCA type I) characterized by very slowly progressive or non-progressive ataxia, dysarthria, oculomotor abnormalities and intellectual disability. UMLS:C1861732 MESH:C537206 OMIM:117360 spinocerebellar ataxia 29 congenital nonprogressive spinocerebellar ataxia ACV icd11.foundation:359640365 spinocerebellar ataxia 29, congenital nonprogressive SCTID:715825009 DOID:0050978 MEDGEN:350085 cerebellar ataxia early-onset nonprogressive GARD:0010480 spinocerebellar ataxia type 29 autosomal dominant cerebellar ataxia type I