Prevalence and risk factors of antibodies to human leukocyte antigens in haploidentical stem cell transplantation candidates: A multi-center study

We investigated the prevalence of and risk factors for antibodies to HLA in 1663 haploidentical transplant candidates. Among these cases, 349 (21.0%) showed positive panel-reactive antibody (PRA) either for class I or class II HLA. Multivariate analysis showed the following: i) risk factors associat...

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Veröffentlicht in:Human immunology 2018-09, Vol.79 (9), p.672-677
Hauptverfasser: Huo, Ming-Rui, Xu, Ya-Jing, Zhai, Shu-Zhen, Lv, Meng, Wang, Yu, Cao, Le-Qing, Xu, Lan-Ping, Zhang, Xiao-Hui, Chen, Huan, Chen, Yu-Hong, Wang, Feng-Rong, Han, Wei, Sun, Yu-Qian, Yan, Chen-Hua, Tang, Fei-Fei, Mo, Xiao-Dong, Zhao, Ming-Feng, Liu, Kai-Yan, Huang, Xiao-Jun, Chang, Ying-Jun
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container_issue 9
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container_title Human immunology
container_volume 79
creator Huo, Ming-Rui
Xu, Ya-Jing
Zhai, Shu-Zhen
Lv, Meng
Wang, Yu
Cao, Le-Qing
Xu, Lan-Ping
Zhang, Xiao-Hui
Chen, Huan
Chen, Yu-Hong
Wang, Feng-Rong
Han, Wei
Sun, Yu-Qian
Yan, Chen-Hua
Tang, Fei-Fei
Mo, Xiao-Dong
Zhao, Ming-Feng
Liu, Kai-Yan
Huang, Xiao-Jun
Chang, Ying-Jun
description We investigated the prevalence of and risk factors for antibodies to HLA in 1663 haploidentical transplant candidates. Among these cases, 349 (21.0%) showed positive panel-reactive antibody (PRA) either for class I or class II HLA. Multivariate analysis showed the following: i) risk factors associated with the prevalence of PRA either for class I or class II HLA were female gender (P = 0.018), prior transfusions (P 
doi_str_mv 10.1016/j.humimm.2018.06.003
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Among these cases, 349 (21.0%) showed positive panel-reactive antibody (PRA) either for class I or class II HLA. Multivariate analysis showed the following: i) risk factors associated with the prevalence of PRA either for class I or class II HLA were female gender (P = 0.018), prior transfusions (P &lt; 0.001) or pregnancy (P &lt; 0.001), and cases with MDS (P = 0.018); compared to other patients, subjects with ALL had a lower prevalence of class I antibodies (P = 0.017); and ii) risk factors associated with the prevalence of PRA both for class I and class II HLA were female gender (P = 0.014), prior transfusions (P = 0.003), previous pregnancy (P &lt; 0.001), and diagnosis with MDS (P = 0.035). The percentages of antibodies against different antigens coded by the different HLA loci, including HLA-A, -B, -C, -DP, -DQ, and -DR, among all cases were 15.6%, 17.3%, 10.5%, 5.6%, 8.5%, and 9.7%, respectively. Risk factors associated with specific antibodies against HLA-A, -B, -C, -DP, -DQ, and -DR were female gender, prior transfusion, previous pregnancy, and underlying disease. Our findings suggest that gender, prior pregnancy, transfusion and underlying diseases are risk factors for HLA sensitization, which could guide HLA antibody monitor and donor selection.</description><identifier>ISSN: 0198-8859</identifier><identifier>EISSN: 1879-1166</identifier><identifier>DOI: 10.1016/j.humimm.2018.06.003</identifier><identifier>PMID: 29890181</identifier><language>eng</language><publisher>United States: Elsevier Inc</publisher><subject>Adolescent ; Adult ; Aged ; Anti-HLA antibody ; Child ; Child, Preschool ; China - epidemiology ; Female ; HLA Antigens - genetics ; Humans ; Infant ; Isoantibodies - biosynthesis ; Luminex ; Male ; Middle Aged ; Prevalence ; Risk Factors ; Sensitizing events ; Stem Cell Transplantation ; Stem cells transplantation ; Transplant Recipients ; Transplantation, Haploidentical ; Waiting Lists ; Young Adult</subject><ispartof>Human immunology, 2018-09, Vol.79 (9), p.672-677</ispartof><rights>2018 The Authors</rights><rights>Copyright © 2018 The Authors. 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Among these cases, 349 (21.0%) showed positive panel-reactive antibody (PRA) either for class I or class II HLA. Multivariate analysis showed the following: i) risk factors associated with the prevalence of PRA either for class I or class II HLA were female gender (P = 0.018), prior transfusions (P &lt; 0.001) or pregnancy (P &lt; 0.001), and cases with MDS (P = 0.018); compared to other patients, subjects with ALL had a lower prevalence of class I antibodies (P = 0.017); and ii) risk factors associated with the prevalence of PRA both for class I and class II HLA were female gender (P = 0.014), prior transfusions (P = 0.003), previous pregnancy (P &lt; 0.001), and diagnosis with MDS (P = 0.035). The percentages of antibodies against different antigens coded by the different HLA loci, including HLA-A, -B, -C, -DP, -DQ, and -DR, among all cases were 15.6%, 17.3%, 10.5%, 5.6%, 8.5%, and 9.7%, respectively. Risk factors associated with specific antibodies against HLA-A, -B, -C, -DP, -DQ, and -DR were female gender, prior transfusion, previous pregnancy, and underlying disease. 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Among these cases, 349 (21.0%) showed positive panel-reactive antibody (PRA) either for class I or class II HLA. Multivariate analysis showed the following: i) risk factors associated with the prevalence of PRA either for class I or class II HLA were female gender (P = 0.018), prior transfusions (P &lt; 0.001) or pregnancy (P &lt; 0.001), and cases with MDS (P = 0.018); compared to other patients, subjects with ALL had a lower prevalence of class I antibodies (P = 0.017); and ii) risk factors associated with the prevalence of PRA both for class I and class II HLA were female gender (P = 0.014), prior transfusions (P = 0.003), previous pregnancy (P &lt; 0.001), and diagnosis with MDS (P = 0.035). The percentages of antibodies against different antigens coded by the different HLA loci, including HLA-A, -B, -C, -DP, -DQ, and -DR, among all cases were 15.6%, 17.3%, 10.5%, 5.6%, 8.5%, and 9.7%, respectively. Risk factors associated with specific antibodies against HLA-A, -B, -C, -DP, -DQ, and -DR were female gender, prior transfusion, previous pregnancy, and underlying disease. Our findings suggest that gender, prior pregnancy, transfusion and underlying diseases are risk factors for HLA sensitization, which could guide HLA antibody monitor and donor selection.</abstract><cop>United States</cop><pub>Elsevier Inc</pub><pmid>29890181</pmid><doi>10.1016/j.humimm.2018.06.003</doi><tpages>6</tpages><orcidid>https://orcid.org/0000-0002-6124-6050</orcidid><oa>free_for_read</oa></addata></record>
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subjects Adolescent
Adult
Aged
Anti-HLA antibody
Child
Child, Preschool
China - epidemiology
Female
HLA Antigens - genetics
Humans
Infant
Isoantibodies - biosynthesis
Luminex
Male
Middle Aged
Prevalence
Risk Factors
Sensitizing events
Stem Cell Transplantation
Stem cells transplantation
Transplant Recipients
Transplantation, Haploidentical
Waiting Lists
Young Adult
title Prevalence and risk factors of antibodies to human leukocyte antigens in haploidentical stem cell transplantation candidates: A multi-center study
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