AUTHOR=Habibzadeh Parham , Tabatabaei Zahra , Inaloo Soroor , Nashatizadeh Muhammad Mahdi , Synofzik Matthis , Ostovan Vahid Reza , Faghihi Mohammad Ali TITLE=Case Report: Expanding the Genetic and Phenotypic Spectrum of Autosomal Recessive Spastic Ataxia of Charlevoix-Saguenay JOURNAL=Frontiers in Genetics VOLUME=Volume 11 - 2020 YEAR=2020 URL=https://www.frontiersin.org/journals/genetics/articles/10.3389/fgene.2020.585136 DOI=10.3389/fgene.2020.585136 ISSN=1664-8021 ABSTRACT=Autosomal recessive spastic ataxia of Charlevoix-Saguenay (ARSACS) is a rare neurodegenerative disorder caused by biallelic mutations in the SACS gene. Once thought to be limited to Charlevoix-Saguenay region of Quebec, recent evidence has indicated that this disorder is present worldwide.It is classically characterized by the triad of ataxia, pyramidal involvement, and axonal-demyelinating sensorimotor neuropathy. However, diverse clinical features have been reported associated with this disorder. In this report, we present the first Iranian family affected by ARSACS with unique clinical features (mirror movements, hypokinesia/bradykinesia, rigidity)harboring a novel deletion mutation in the SACS gene. Our findings expand the genetic and phenotypic spectrum of this disorder.