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J Neurol Neurosurg Psychiatry. 2000 Aug;69(2):254-6.

Ataxia caused by mutations in the alpha-tocopherol transfer protein gene.

Author information

  • 1Department of Clinical Medicine, National Institute for Minamata Disease, 4058-18 Hama, Minamata 867-0008, Japan. usuki@nimd.go.jp

Abstract

A 48 year old woman with ataxia with vitamin E deficiency is described. Gene analysis identified two point mutations in exon 1 of the alpha-tocopherol transfer protein (alpha-TTP) gene, one missense mutation and an upstream initiation codon mutation in the 5'-untranslated region (Kozak sequence). The latter mutation is the first one identified in the translation regulatory region. This mutation decreased the level of alpha-TTP protein expression. The clinical features included uncommon urinary disturbance and deafness and relatively rare retinitis pigmentosa. Supplementary therapy increased her serum vitamin E concentration to the normal range with mild improvement of the deep senses.

PMID:
10896705
[PubMed - indexed for MEDLINE]
PMCID:
PMC1737064
Free PMC Article
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