[Leber's hereditary optic atrophy. A hereditary disease caused by mitochondrial DNA mutation].

Abstract excerpt

Leber's hereditary optic neuropathy is a genetic disorder characterized by sudden bilateral loss of vision. It is transmitted exclusively through females (matroclinous inheritance) due to a mutation in mitochondrial DNA (mtDNA), most frequently a GC----AT substitution of base pair no. 11778 ('The Wallace mutation'). All children of homoplasmic female carriers inherit the disease gene. Penetrance is incomplete,...

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