PT - JOURNAL ARTICLE AU - Kodroń, Agata AU - Krawczyński, Maciej R AU - Tońska, Katarzyna AU - Bartnik, Ewa TI - m.3635G>A mutation as a cause of Leber hereditary optic neuropathy AID - 10.1136/jclinpath-2014-202192 DP - 2014 Jul 01 TA - Journal of Clinical Pathology PG - 639--641 VI - 67 IP - 7 4099 - http://jcp.bmj.com/content/67/7/639.short 4100 - http://jcp.bmj.com/content/67/7/639.full SO - J Clin Pathol2014 Jul 01; 67 AB - Over 90% of Leber's hereditary optic neuropathy (LHON) is caused by one of three mtDNA mutations (m.11778A>G, m.3460G>A, m.14484T>C). The remaining cases are due to rare mutations in different genes encoding subunits of the respiratory chain. The proband is a 17-year-old male with symptoms of optic nerve atrophy. No common LHON mutations were found, but detailed sequencing identified a rare, homoplasmic mutation m.3635G>A in the ND1 gene.