Leber's hereditary optic neuropathy - The spectrum of mitochondrial DNA mutations in Chinese patients

May Yung Yen, An Guor Wang, Wei Ling Chang, Wen-Ming Hsu, Jorn Hon Liu, Yau Huei Wei

Research output: Contribution to journalArticle

41 Citations (Scopus)

Abstract

Purpose: To investigate the spectrum of mitochondrial DNA (mtDNA) mutations in Chinese patients with Leber's hereditary optic neuropathy (LHON), optic atrophy of unknown etiology, and optic neuropathy of known etiology. Methods: Twenty-seven patients from 25 LHON pedigrees, 22 patients with bilateral optic atrophy of unknown etiology, 21 patients with optic neuropathy of known etiology, and 25 normal healthy controls were included in this study. Twelve pairs of primers that covered the 21 reported mtDNA mutations were utilized. Single-strand conformation polymorphism analysis and DNA sequencing were used to detect base substitutions in mtDNA. Results: Twenty-three LHON pedigrees (92%) had the 11778 mtDNA primary mutation. Two pedigrees (8%) had the 14484 mutation. No 3460 mutations were detected in this group. Thirteen other sequence changes were found in these patients, but only the 4216 mutation had been reported previously. Thirteen pedigrees had multi-mutation patterns consisting of one primary mutation together with other sequence changes. No primary mutations were found in patients with optic atrophy of unknown etiology or in patients with optic neuropathy of known etiology. Conclusions: High frequency of 11778 mtDNA mutation was found in Chinese patients with LHON. No specific multi-mutation pattern such as the European mtDNA haplogroup J was found.

Original languageEnglish
Pages (from-to)45-51
Number of pages7
JournalJapanese Journal of Ophthalmology
Volume46
Issue number1
DOIs
Publication statusPublished - Mar 14 2002
Externally publishedYes

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Leber's Hereditary Optic Atrophy
Mitochondrial DNA
Mutation
Pedigree
Optic Atrophy
Optic Nerve Diseases
DNA Sequence Analysis

Keywords

  • Haplogroup
  • Leber's hereditary optic neuropathy
  • Mitochondrial DNA
  • Mutation spectrum

ASJC Scopus subject areas

  • Ophthalmology

Cite this

Leber's hereditary optic neuropathy - The spectrum of mitochondrial DNA mutations in Chinese patients. / Yen, May Yung; Wang, An Guor; Chang, Wei Ling; Hsu, Wen-Ming; Liu, Jorn Hon; Wei, Yau Huei.

In: Japanese Journal of Ophthalmology, Vol. 46, No. 1, 14.03.2002, p. 45-51.

Research output: Contribution to journalArticle

Yen, May Yung ; Wang, An Guor ; Chang, Wei Ling ; Hsu, Wen-Ming ; Liu, Jorn Hon ; Wei, Yau Huei. / Leber's hereditary optic neuropathy - The spectrum of mitochondrial DNA mutations in Chinese patients. In: Japanese Journal of Ophthalmology. 2002 ; Vol. 46, No. 1. pp. 45-51.
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AU - Wei, Yau Huei

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