, Volume 165, Issue 7, pp 494-495
Date: 21 Feb 2006

Efficacious vitamin E treatment in a child with ataxia with isolated vitamin E deficiency

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Vitamin E deficiency can cause a progressive spinocerebellar ataxia similar to Friedreich ataxia phenotype [2, 3]. Differential diagnosis between the two forms is based on serum level of vitamin E and is very important for prognosis because in patients with ataxia with isolated vitamin E deficiency (AVED) vitamin E supplementation allows a stabilization of the neurological conditions [3, 6] and may lead to clinical improvement [4]. We report the case of a young patient with AVED with a complete regression of ataxia after early and long-term vitamin E oral supplementation. Our case strongly suggests early recognition and treatment of vitamin E deficiency to improve disease outcome.

AVED (OMIM #277460) is a rare autosomal recessive neurodegenerative disease caused by mutations in the α-tocopherol transfer protein (TTPA) gene, which maps to locus 8q13.1-q13.3 on chromosome 8 [3]. The deficit reduces the capacity to incorporate α-tocopherol (the most biologically active form of vitamin E) i