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Journal of Neuro-Ophthalmology:
doi: 10.1097/WNO.0000000000000076
Original Contribution

Optic Atrophy and a Leigh-Like Syndrome Due to Mutations in the C12orf65 Gene: Report of a Novel Mutation and Review of the Literature

Heidary, Gena MD, PhD; Calderwood, Laurel MS, CGC; Cox, Gerald F. MD, PhD; Robson, Caroline D. MBChB; Teot, Lisa A. MD; Mullon, Jennifer MD; Anselm, Irina MD

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Abstract

Combined oxidative phosphorylation deficiency type 7 (COXPD7) is a rare disorder of mitochondrial metabolism that results in optic atrophy and Leigh syndrome–like disease. We describe 2 siblings with compound heterozygous mutations in the recently identified C12orf65 gene who presented with optic atrophy and mild developmental delays and subsequently developed bilateral, symmetric lesions in the brainstem reminiscent of Leigh syndrome. Repeat neuroimaging demonstrated reversibility of the findings in 1 sibling and persistent metabolic stroke in the other. This article highlights the phenotypic manifestations from a novel mutation in the C12orf65 gene and reviews the clinical presentation of the 5 other individuals reported to date who carry mutations in this gene.

Copyright © 2013 by North American Neuro-Ophthalmology Society

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