Conversely, others are found in multiple breeds, such as the KCNJ10 missense variant found in Dachshunds, Jack Russell Terriers, Parson Russell Terriers, and Smooth Fox Terriers [9,10]; it is worth noting that additional, different KCNJ10 variants have been recorded in other breeds with SCA [11,12,13]. Here, KCNJ10 is linked to autosomal dominant cerebellar ataxia.