The mainfocus of this network were the spinocerebellar ataxias (SCAs) SCA1, SCA2, SCA3(Machado Joseph disease), SCA6, SCA7, SCA10, SCA12, SCA17,Dentatorubral-pallidoluysian atrophy, Huntington disease (HD), Myotonic Dystrophytype 1, Friedreich ataxia, Neuronal Ceroid Lipofuscinosis type 3, and familialtransthyretin amyloidosis. Here, CACNA1A is linked to Huntington disease.