has material basis in germline mutation in CCDC88C spinocerebellar ataxia type 40 https://www.malacards.org/card/spinocerebellar_ataxia_40 SCTID:734020000 GARD:0012371 MEDGEN:1385103 OMIM:616053 SCA40 MONDO:0014475 Spinocerebellar ataxia type 40 (SCA40) is a very rare subtype of autosomal dominant cerebellar ataxia type 1, characterized by the adult-onset of unsteady gait and dysarthria, followed by wide-based gait, gait ataxia, ocular dysmetria, intention tremor, scanning speech, hyperreflexia and dysdiadochokinesis. spinocerebellar ataxia type 40 DOID:0050986 Orphanet:423275 UMLS:C4518336 spinocerebellar ataxia 40 autosomal dominant cerebellar ataxia type I