4.6 Article

Association of ABO and RhD blood groups with the risk of HIV infection

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PLOS ONE
卷 18, 期 4, 页码 -

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PUBLIC LIBRARY SCIENCE
DOI: 10.1371/journal.pone.0284975

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Naturally occurring antibodies against ABO antigens in human sera neutralize ABO-expressing HIV. This study investigated the associations between ABO and RhD blood groups and HIV infection among blood donors in South Africa. The results showed a weak association between RhD positive phenotype and HIV infection, while no association was found with ABO blood group. The observed association may be due to confounding factors and further studies are needed.
Naturally occurring antibodies against ABO antigens present in human sera have been shown to neutralize ABO-expressing HIV in vitro. We investigated associations between ABO and RhD blood groups and HIV infection among blood donors from all blood collection centers in eight of South Africa's nine provinces. Whole blood donations collected from first time donors between January 2012 and September 2016 were tested for HIV RNA by nucleic acid testing and HIV antibody using third generation serology assays. ABO and RhD blood types were determined using automated technology. Odds ratios for the association between HIV positivity and ABO and RhD phenotypes were calculated using multivariable logistic regression analysis. We analyzed 515,945 first time blood donors and the overall HIV prevalence was 1.12% (n = 5790). After multivariable adjustment, HIV infection was weakly associated with RhD positive phenotype (OR = 1.15, 95% CI 1.00-1.33) but not with ABO blood group. The observed association with RhD positive phenotype was marginal and likely due to residual confounding by racial group but could serve to generate hypotheses for further studies.

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