Such STR expansions were reported to be pathogenic for other neurodegenerative diseases like ATXN1 (spinal cerebellar ataxia type 1 (SCA1)), ATXN2 (SCA2), ATXN8 (SCA8) and HTT (Huntington’s disease) (6). The gene discussed is ATXN2; the disease is spinocerebellar ataxia type 2.