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Annals of laboratory medicine v.38 no.4, 2018년, pp.362 - 366   SCIE
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Flow-Cytometric Analysis of HNA-2 Expression and Phenotypes Among Thai Blood Donors

Nathalang, Oytip    (Graduate Program in Biomedical Sciences, Faculty of Allied Health Sciences, Thammasat University, Pathumtani, Thailand.   ); Siriphanthong, Kanokpol    (Graduate Program in Biomedical Sciences, Faculty of Allied Health Sciences, Thammasat University, Pathumtani, Thailand.   ); Petvises, Sawang    (Department of Medical Technology, Faculty of Allied Health Sciences, Thammasat University, Pathumtani, Thailand.   ); Jeumjanya, Nichapa    (Blood Bank Section, Thammasat University Hospital, Pathumtani, Thailand.  );
  • 초록

    Background Antibodies specific to human neutrophil antigen (HNA), especially HNA-2, are implicated in various conditions, including neonatal alloimmune neutropenia, febrile non-hemolytic transfusion reactions, and transfusion-related acute lung injury. The distribution of the HNA-2 phenotype frequencies in the Thai population remains unknown. This study aimed to investigate HNA-2 phenotype frequencies in Thai blood donors and to compare the relationships of sex and age with HNA-2 expression. Methods EDTA blood samples were collected from 220 unrelated healthy Thai blood donors, including 150 males and 70 females, with ages ranging from 20 to 57 years. Polymorphonuclear cells were isolated and stained with monoclonal antibodies clone MEM-166 and clone 2D1, which are specific to human CD177 (HNA-2) and CD45, respectively. HNA-2 expression according to sex and age was analyzed by flow cytometry. Results Among the 220 donors, HNA-2-positive and HNA-2-null-phenotype frequencies were 0.995 and 0.005, respectively. Mean antigen expression was significantly higher in women (71.01±15.46%) than in men (64.59±18.85%; P P Conclusions This is the first report of HNA-2 phenotype frequencies in a Thai population, and the data will be helpful in predicting the risk of HNA-2 alloimmunization and in recruiting granulocyte panel donors.


  • 주제어

    HNA-2 .   Phenotype frequencies .   Flow cytometry .   Thais.  

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