Autosomal recessive spastic ataxia of Charlevoix-Saguenay (ARSACS)

Autosomal recessive spastic ataxia of Charlevoix-Saguenay (ARSACS) is an inherited disease characterized by progressive muscle damage, speech and vision problems. It is caused by defects in sacsin, a protein that may be involved in organizing proteins within cells, especially those of the nervous system and muscles. ARSACS is also known as spastic ataxia of Charlevoix-Saguenay. View testing options