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  • Title: [Establishment of genotyping method for human platelet antigens of HPA-15 system by PCR-SSP].
    Author: Chen YK, Li DC, Wang DM, Li Q, Deng ZH.
    Journal: Zhongguo Shi Yan Xue Ye Xue Za Zhi; 2008 Feb; 16(1):185-8. PubMed ID: 18315927.
    Abstract:
    This study was aimed to establish the reliable genotyping method of human platelet antigens of HPA-15 system by PCR-SSP and to use this assay in the further HPA genotyping of volunteer platelet donors. 3 sequence-specific primers recommended by the 11th Platelet Genotyping and Serology Workshop on behalf of International Society of Blood Transfusion (ISBT) were synthesized. The concentration of each primer pair, the concentration of Mg(2+) and the PCR conditions were adjusted to optimize the conditions so that HPA-15 system could be specific amplified. The accuracy and reliability of the developed assay was evaluated and confirmed by typing the coded DNA samples provided by the 11th Platelet Genotyping and Serology Workshop. As a parallel control, a total of 50 volunteer platelet donors in Shenzhen were genotyped by both our assay and the G&T commercial kit at HPA-15 system. 10 coded samples distributed by the 11th Platelet Genotyping and Serology Workshop were genotyped by established PCR-SSP method. The results showed that a concordance rate of 100% was observed between the results obtained by established PCR-SSP method and the results provided by ISBT report. The HPA gene frequencies observed in 50 randomly-selected platelet donors in Shenzhen were 0.5100 and 0.4900 for HPA-15a and HPA-15b respectively. In conclusion, PCR-SSP assay established in our study provides a simple, rapid and accurate method for HPA-15 system genotyping, which assay is suitable for routine clinical HPA genotyping and shows a broad prospect in its further applications.
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