label: Spinocerebellar Ataxia Type 6
label_lc: spinocerebellar ataxia type 6
description: "An autosomal recessive spinocerebellar ataxia caused by an expanded CAG repeat in the CACNA1A gene, encoding voltage-dependent P/Q-type calcium channel subunit alpha-1A. It is an almost pure cerebellar syndrome, with onset typically between the ages of 20 to 60."