JCLA:异型RHD基因型在血清学弱D表型混合型供体和患者中发生的频率较高

2019-01-18 MedSci MedSci原创

目前,给血清学弱D表型个体的输血政策是基于来自欧洲血统人群的数据。关于混合血统人群中弱D表型的潜在RH等位基因分布的数据还不完整,基于欧洲的输血指南是否适用于这一特定人群值得怀疑。因此,本研究的目的是探讨RHD变异基因型在非洲和欧洲血清学弱D表型个体中的分布情况。 研究人员通过选择血清学弱D表型混合型供体和患者进行研究。采用常规RHD PCR检测和RHD全编码区直接测序对其进行研究。结果共收

目前,给血清学弱D表型个体的输血政策是基于来自欧洲血统人群的数据。关于混合血统人群中弱D表型的潜在RH等位基因分布的数据还不完整,基于欧洲的输血指南是否适用于这一特定人群值得怀疑。因此,本研究的目的是探讨RHD变异基因型在非洲和欧洲血清学弱D表型个体中的分布情况。

研究人员通过选择血清学弱D表型混合型供体和患者进行研究。采用常规RHD PCR检测和RHD全编码区直接测序对其进行研究。结果共收治献血者106例,患者58例。供体47例,部分D基因型29(47/106,44.3%29/58,50%)RHD*DARRHD*D38是供体中最常见的RHD等位基因改变(联合频率39.6%),而弱D1 - 3占总D型变异样本的10.4%RHD*DAR是患者组中最常见的等位基因(频率31%),弱D1 3占总数的29.3%

结果表明,血清学弱D型混合个体中部分D的发生率较高。在分子检测完成之前,应将其作为D阴性患者处理。

原始出处:

Marcia Regina Dezan, Valéria B. Oliveira, Çarolina Nunes Gomes, High frequency of variant RHD genotypes among donors and patients of mixed origin with serologic weakD phenotype

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    2019-11-03 feather85
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    2019-01-20 tastas