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High-resolution donor-recipient HLA matching contributes to the success of unrelated donor marrow transplantation. Blood 2007 Dec 15;110(13):4576-83 PMID: 17785583

Pubmed ID

17785583

Abstract

The relative importance of various human leukocyte antigen (HLA) loci and the resolution level at which they are matched has not been fully defined for unrelated donor transplantation. To address this question, National Marrow Donor Program data from 3857 transplantations performed from 1988 to 2003 in the United States were analyzed. Patient-donor pairs were fully typed for HLA-A, -B, -C, -DRB1, -DQB1, -DQA1, -DPB1, and -DPA1 alleles. High-resolution DNA matching for HLA-A, -B, -C, and -DRB1 (8/8 match) was the minimum level of matching associated with the highest survival. A single mismatch detected by low- or high-resolution DNA testing at HLA-A, -B, -C or -DRB1 (7/8 match) was associated with higher mortality (relative risk, 1.25; 95% CI, 1.13-1.38; P < .001) and 1-year survival of 43% compared with 52% for 8/8 matched pairs. Single mismatches at HLA-B or HLA-C appear better tolerated than mismatches at HLA-A or HLA-DRB1. Mismatching at 2 or more loci compounded the risk. Mismatching at HLA-DP or -DQ loci and donor factors other than HLA type were not associated with survival. In multivariate modeling, patient age, race, disease stage, and cytomegalovirus status were as predictive of survival as donor HLA matching. High-resolution DNA matching for HLA-A, -B, -C, and -DRB1 alleles is associated with higher rates of survival.

Author List

Lee SJ, Klein J, Haagenson M, Baxter-Lowe LA, Confer DL, Eapen M, Fernandez-Vina M, Flomenberg N, Horowitz M, Hurley CK, Noreen H, Oudshoorn M, Petersdorf E, Setterholm M, Spellman S, Weisdorf D, Williams TM, Anasetti C

Authors

Mary Eapen MBBS, DCh, MRCPI, MS Professor in the Medicine department at Medical College of Wisconsin
Mary M. Horowitz MD, MS Center Director, Professor in the Medicine department at Medical College of Wisconsin




Scopus

2-s2.0-37349118061   762 Citations

MESH terms used to index this publication - Major topics in bold

Adolescent
Adult
Aged
Alleles
Bone Marrow Transplantation
Child
Child, Preschool
DNA
HLA Antigens
Histocompatibility
Histocompatibility Testing
Humans
Infant
Middle Aged
Registries
Retrospective Studies
Survival Rate
Tissue Donors
Treatment Outcome
jenkins-FCD Prod-332 f92a19b0ec5e8e1eff783fac390ec127e367c2b5