Abstract:
:The allelic diversity and associated human leukocyte antigen (HLA) disparity of 1775 bone marrow recipients and their unrelated donors, matched for six of six (1361/1775,77%), five of six (397/1775, 22%), or four of six (17/1775, 1%) HLA-A, -B, -DR antigens, were retrospectively evaluated. The comprehensive HLA analysis included the class I (A, B, C) and II (DRB1, DQA1, DQB1, DPA1, DPB1) loci. Most (>66%) of the predominantly Caucasian study population carried one or two of five to seven common alleles at each HLA locus. In spite of this limited diversity, 29% of the six of six antigen-matched transplants carried allele mismatches at HLA-A, -B, and/or -DRB1, and 92% carried at least one allele mismatch at one of the eight HLA loci tested. Of the 968 HLA-A,-B,-DRB1 allele-matched pairs, 89% carried mismatches at other HLA loci, predominantly at DP loci. The substantially greater than expected HLA allelic disparity between donor and recipient suggests extensive haplotypic diversity and underscores the importance of enhancing approaches to mitigate the deleterious effect of HLA mismatches.
journal_name
Hum Immunoljournal_title
Human immunologyauthors
Hurley CK,Fernandez-Vina M,Hildebrand WH,Noreen HJ,Trachtenberg E,Williams TM,Baxter-Lowe LA,Begovich AB,Petersdorf E,Selvakumar A,Stastny P,Hegland J,Hartzman RJ,Carston M,Gandham S,Kollman C,Nelson G,Spellman S,Settdoi
10.1016/j.humimm.2006.09.004subject
Has Abstractpub_date
2007-01-01 00:00:00pages
30-40issue
1eissn
0198-8859issn
1879-1166pii
S0198-8859(06)00523-4journal_volume
68pub_type
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