Gregory Enns

Publication Details

  • Leigh syndrome caused by a novel m.4296G > A mutation in mitochondrial tRNA isoleucine MITOCHONDRION Cox, R., Platt, J., Chen, L. C., Tang, S., Wong, L., Enns, G. M. 2012; 12 (2): 258-261

    Abstract:

    Leigh syndrome is a severe neurodegenerative disease with heterogeneous genetic etiology. We report a novel m.4296G>A variant in the mitochondrial tRNA isoleucine gene in a child with Leigh syndrome, mitochondrial proliferation, lactic acidosis, and abnormal respiratory chain enzymology. The variant is present at >75% heteroplasmy in blood and cultured fibroblasts from the proband, <5% in asymptomatic maternal relatives, and is absent in 3000 controls. It is located in the highly conserved anticodon region of tRNA(Ile) where three other pathogenic changes have been described. We conclude that there is strong evidence to classify m.4296G>A as a pathogenic mutation causing Leigh syndrome.

    View details for DOI 10.1016/j.mito.2011.09.006

    View details for Web of Science ID 000301906600011

    View details for PubMedID 21982779

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