日本人におけるGoV血小板同種抗原の遺伝子頻度

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タイトル別名
  • GENE FREQUENCIES OF GOV PLATELET ALLOANTIGENS IN JAPANESE

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抄録

The Gov alloantigen system is carried by the platelet membrane protein CD109. The Gov antigen has a polymorphism, Tyr/Ser, at the position of residue 703, caused by an A-C nucleotide substitution at position 2108 of the coding region. We examined the genotype frequencies for this polymorphism among Japanese using the PCR-SSP method. The genotypic frequencies were Gova/a, 23.5% ;Gova/b, 52.1% and Govb/b, 24.4%. Allele frequencies were 0.495 and 0.505 for Gova and Govb, respectively (n=217). Gov alloantibodies are the cause of neonatal alloimmune thrombocytopenic purpura (NAITP) and post-transfusion purpura, and are implicated in platelet transfusion refractoriness (PTR). On the basis of the Gov genotyping described here, Gov antigen panels can be prepared for the detection of anti-Gov antibodies in the sera of patients affected by NAITP and PTR.

収録刊行物

  • 日本輸血学会雑誌

    日本輸血学会雑誌 49 (6), 757-760, 2003

    一般社団法人 日本輸血・細胞治療学会

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