Arina Puzriakova Added comment: Comment on mode of inheritance: Updated from 'biallelic' to 'both mono- and biallelic'. At least two unrelated cases in literature characterised by AD adult-onset ataxia and supported by functional data, plus additional patients mentioned in Tracy Lester patient cohort.
Arina Puzriakova Mode of inheritance for gene: GRM1 was changed from BIALLELIC, autosomal or pseudoautosomal to BOTH monoallelic and biallelic, autosomal or pseudoautosomal