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Neurology. 2006 Feb 14;66(3):447-9.

Pure myopathy associated with a novel mitochondrial tRNA gene mutation.

Author information

1
Mitochondrial Research Group, School of Neurology, Neurobiology and Psychiatry, University of Newcastle upon Tyne, Newcastle upon Tyne, NE2 4HH, UK.

Abstract

The authors describe a 47-year-old man who presented with proximal muscle weakness, myalgia, elevated creatine kinase, and features of a pure myopathic syndrome in whom they have identified a novel mutation in the mitochondrial tRNA(Ala) gene. This 5591G>A transition is heteroplasmic, segregates with cytochrome c oxidase deficiency in single muscle fibers, and fulfills recognized criteria for pathogenicity. This case exemplifies the wide-ranging clinical spectrum of mitochondrial disease presentations.

[Indexed for MEDLINE]

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