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Very late-onset friedreich ataxia with laryngeal dystonia

Friedreich ataxia (FRDA) is an autosomal recessive neurodegenerative disorder characterized by progressive gait and limb ataxia, cerebellar, pyramidal and dorsal column involvement, visual defects, scoliosis, pes cavus and cardiomyopathy. It is caused by a homozygous guanine-adenine-adenine (GAA) trinucleotide repeat expansion in intron 1 of the frataxin gene (FXN) on chromosome 9q13-q21.1. Onset is usually in the first or second decade of life; however, late-onset cases of Freidreich ataxia (LOFA), after the age of 25 years, and very late-onset cases of Freidreich ataxia (VLOFA), after the age of 40 years, have been reported. VLOFA is quite rare and usually presents a milder progression of the disease.

 Read More: Very late-onset friedreich ataxia with laryngeal dystonia


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Jen Farmer

Jen Farmer

Executive Director

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