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  • Title: [Rapid genetic screening of Leber's hereditary optic neuropathy with mtDNA G11778A mutation by AS-PCR with whole blood].
    Author: Yang JH, Tong Y, Li BH, Chen YK.
    Journal: Zhonghua Yan Ke Za Zhi; 2005 Mar; 41(3):243-5. PubMed ID: 15840367.
    Abstract:
    OBJECTIVE: Rapid Genetic Screening of Leber's hereditary optic neuropathy (LHON) with mtDNA G11778A mutation by allele-specific polymerase chain reaction (AS-PCR) with whole blood. METHODS: Whole blood with anticoagulant was used as a template of AS-PCR for the analysis of LHON with mtDNA G11778A point mutation. The amplified DNA fragment was directly observed by electrophoretogram with ethidium bromide stained. RESULTS: The accuracy was 100% by using this method in 24 blood samples tested, and the specific of PCR of which used whole blood as template was better than one of the purified mtDNA. The reliability of the method for screening of LHON with mtDNA G11778A mutation was checked by double-blind test in 22 blood samples. CONCLUSION: This method does not need purified DNA from blood and only required one step of PCR. Thus, it is very simple, rapid and accurate for the clinical genetic screening of LHON with mtDNA G11778A point mutation.
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