Human leukocyte antigen epitope analysis to assess complement- and non-complement-binding donor-specific antibody repertoire in a pediatric heart transplant recipient

被引:26
|
作者
Zeevi, Adriana [1 ]
Marrari, Marilyn [1 ]
Feingold, Brian [1 ,2 ]
Webber, Steven [1 ,2 ]
Duquesnoy, Rene J. [1 ]
机构
[1] Univ Pittsburgh, Med Ctr, Pittsburgh, PA 15213 USA
[2] UPMC, Childrens Hosp Pittsburgh, Pittsburgh, PA 15224 USA
关键词
Pediatric heart transplant; HLA antibody; HLA epitope; C1q binding; HLAMatchmaker; Antibody-mediated rejection (AMR); Transplant (Tx); Donor-specific antibody (DSA); Luminex IgG (L-IgG); Luminex C1q (L-C1q); Mean fluorescence intensity (MFI); ORGAN-TRANSPLANTATION;
D O I
10.1016/j.humimm.2011.10.011
中图分类号
R392 [医学免疫学]; Q939.91 [免疫学];
学科分类号
100102 ;
摘要
This case report summarizes the spectrum of anti-human leukocyte antigen (HLA) antibody reactivity determined by single-allele Luminex immunoglobulin G and C1q binding assays before transplant, during an episode of antibody-mediated rejection (AMR), and following treatment in a sensitized pediatric heart transplant (Tx) recipient. We were able to discriminate between complement- and non-complement-binding epitope-specific antibodies present against a single donor antigen (HLA-A2) during the progression of AMR and its resolution. Our findings illustrate the usefulness of determining antibody specificities against epitopes using various Luminex-based assays. (C) 2012 American Society for Histocompatibility and Immunogenetics. Published by Elsevier Inc. All rights reserved.
引用
收藏
页码:48 / 51
页数:4
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