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Friedreich's ataxia is caused by a deficiency of frataxin, a protein involved in regulation of mitochondrial iron content. We have reported a combined deficiency of a Krebscycle enzyme, aconitase, and three mitochondrial respiratorychain complexes in endomyocardial biopsy samples from patients with this disorder. All four enzymes share iron-sulphur cluster-containing proteins that are damaged by iron...
We report a girl with epilepsy aged 10 years receiving vigabatrin and complaining of bumping into objects and presenting visual-field constriction, which disappeared after vigabatrin withdrawal.
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