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| The RHD variants in Chinese population |
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| DOI：10.46701/BG.2020012020106 |
| KeyWord:RHD, Rhesus blood group, D variant, polymorphism |
| Author | Institution |
| Ming Gao |
Tim Hunt Nobel Prize Institute, Jiangsu LIBO Medicine Biotechnology Co., Ltd. Jiangyin, Jiangsu, 214400, China. |
| Yuping Chen |
Tim Hunt Nobel Prize Institute, Jiangsu LIBO Medicine Biotechnology Co., Ltd. Jiangyin, Jiangsu, 214400, China. |
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| Abstract: |
| The Rhesus (Rh) blood group system is the most important blood group system in hemolytic disease of the fetus and newborn (HDFN). In clinical transfusions, the D antigen in the Rh blood group system comes third, behind antigens A and B which from ABO blood group system. Over the past decade, molecular technologies have been used to investigate the RHD allele in different ethnic groups. This review first introduces the basic structure of RhD protein and coding genes, then focuses on D-negative, weak D, partial D, DEL, RhDnull variants reported in the Chinese population. To date, more than 460 RHD variants have been reported around the world, but less than 70 RHD variants have been reported in the Chinese population. Further research is needed to identify more RHD polymorphism and establish criteria for blood detection and transfusion guidelines for RHD variants. Only in this way can we better guarantee the safety of blood transfusion and prevent the occurrence of HDFN. With the accumulation of research and clinical data, we should be clearer which RHD variants are to be regarded as RhD negative and which need to be regarded as RhD positive. |
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