Article ID Journal Published Year Pages File Type
1914704 Journal of the Neurological Sciences 2010 4 Pages PDF
Abstract

BackgroundMitochondrial diseases due to mitochondrial tRNA genes mutations are usually multisystem disorders with infantile or adult onset.ObjectiveTo identify the molecular defect underlying a mitochondrial encephalomyopathy.Methods/PatientsCase report of a 51 year-old woman presenting with late-onset myoclonic epilepsy plus additional features. Proband's mother presented hypothyroidism and diabetes.ResultsMuscle biopsy showed mitochondrial changes. Respiratory chain activities were reduced. The novel G5538A mutation was identified in different tissues DNAs from the proband and from her mother.ConclusionWe were able to identify a novel mtDNA tRNA(Trp) gene pathogenic mutation.

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