广州医药 ›› 2020, Vol. 51 ›› Issue (4): 64-67.DOI: 10.3969/j.issn.1000-8535.2020.04.014

• 论著 • 上一篇    下一篇

河源地区机采血小板固定献血者血小板抗原系统基因多态性分析

欧小懂, 叶登凰, 黄璐, 黄仕云, 陈勇芳, 邱美丽   

  1. 河源市中心血站(河源 517003)
  • 收稿日期:2020-03-23 出版日期:2020-07-20 发布日期:2021-11-28
  • 基金资助:
    河源市社会发展科技计划项目(河科000850)

The polymorphism of human platelet antigens in fixed apheresis platelet donors in Heyuan area

OU Xiaodong, YE Denghuang, HANG Lu, HUANG Shiyun, CHEN Yongfang, QIU Meili   

  1. Heyuan Blood Central Station,Heyuan 517003,China
  • Received:2020-03-23 Online:2020-07-20 Published:2021-11-28

摘要: 目的 探讨河源地区机采血小板固定献血者血小板抗原系统的基因多态性特征,为建立本地区机采血小板供血者库奠定基础。方法 采用PCR-SSP方法对100例机采血小板固定献血者进行血小板抗原HPA1~17系统基因分型。结果 HPA1~17基因中成多态性分布的等位基因是HPA2a、HPA3a、HPA5a、HPA15a,其频率分别为0.96、0.49、0.99、0.515。HPA-2、HPA-3、HPA-5、HPA-15系统存在aa、ab、bb 三种表型。HPA1a、HPA4a、HPA6a-14a、HPA16a-17a基因频率为1,呈单线性分布,未发现b基因。结论 河源地区血小板HPA-3系统不配合率最高(0.420),HPA-15系统次之。建立本地区机采血小板供血者库,为患者提供HPA相合的血小板,对减少临床血小板输注无效的发生具有重要意义。

关键词: 机采血小板, 血小板抗原, 基因频率, 固定献血者

Abstract: Objective To study the polymorphism of human platelet antigens in fixed apheresis platelet donors in Heyuan area and to lay a foundation for the establishment of platelets donor bank. Methods PCR-SSP method was used to analyze HPA 1~17 genotype in 100 fixed platelet donors. Results The highest numbers of heterozygotes were HPA2a,HPA3a,HPA5a and HPA15a,with frequencies of 0.96,0.49,0.99 and 0.515,respectively. The frequencies of HPA1a,HPA4a,HPA6a-14a and HPA16a-17a genes were 1,which showed a single linear distribution. Conclusion HPA-3 system were the highest mismatch rate (0.420),followed by HPA-15 system. It is great significance to establish a local platelet donor bank and provide HPA compatible platelets for patients.

Key words: Apheresis platelets, Human platelet antigens, Gene frequency, Fixed blood donor