|Articles|August 1, 2002

Nuclear genes, other risk factors may activate mitochondrial LHON gene

Fort Lauderdale, FL-In 1861, an Italian couple emigrated from Verona to rural Brazil. Their 300 descendants spreading over seven generations have given scientists a unique opportunity to study many environmental factors that may have influenced the expression of Leber's hereditary optic neuropathy (LHON).

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