High frequency of mutations at position 11778 in mitochondrial ND4 gene in Japanese families with Leber's hereditary optic neuropathy |
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| Authors: | Yukihiko Mashima Yoshiki Hiida Yoshihisa Oguchi Jun Kudoh Nobuyoshi Shimizu |
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| Institution: | (1) Department of Ophthalmology, Keio University School of Medicine, 35 Shinanomachi, Shinjuku-ku, 160 Tokyo, Japan;(2) Department of Molecular Biology, Keio University School of Medicine, 35 Shinanomachi, Shinjuku-ku, 160 Tokyo, Japan |
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| Abstract: | We have investigated the presence of a point mutation at position 11778 in the ND4 gene of mitochondrial DNA in 17 Japanese families with Leber's hereditary optic neuropathy (LHON), and have identified the mutation in 14 (82.4%) of the 17 families. The prevalence of this mutation appears to be much higher in Japanese patients with LHON than in patients of other ethnic origins, such as Finnish, Dutch, German, and English families. |
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