Journal
AMERICAN JOURNAL OF HUMAN GENETICS
Volume 84, Issue 4, Pages 493-498Publisher
CELL PRESS
DOI: 10.1016/j.ajhg.2009.03.003
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Funding
- Retina France and Federation des Aveugles de France Associations
- Foundation Fighting Blindness [FFB-BR-GE-0406-0335-INSERM]
- European Community [EC-IP-EVI-Genoret LSHG-07-2005-51236]
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Nonsyndromic autosomal-recessive optic neuropathies are rare conditions of unknown genetic and molecular origin. Using an approach of whole-genome homozygosity mapping and positional cloning, we have identified the first gene, to our knowledge, responsible for this condition, TMEM126A, in a large multiplex inbred Algerian family and subsequently in three other families originating from the Maghreb. TMEM126A is conserved in higher eukaryotes and encodes a transmembrane mitochondrial protein of unknown function, Supporting the view that mitochondrial dysfunction may be a hallmark of inherited optic neuropathies including isolated autosomal-recessive forms.
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