Journal
HUMAN IMMUNOLOGY
Volume 70, Issue 8, Pages 610-617Publisher
ELSEVIER SCIENCE INC
DOI: 10.1016/j.humimm.2009.04.012
Keywords
HLA antibodies; HLA antigens; HLA alleles; Donor-directed antibodies; Solid phase assays
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Whether sensitized patients wait for a compatible crossmatch with a deceased donor, enter a paired exchange program with the hope of finding a compatible living donor, or go through a desensitization protocol depends on a number of factors, not the least of which is the overall philosophy of the transplant center. Centers such as ours take the position that donor-directed antibodies detected by solid phase assays (even those that are weak) present an unacceptable risk factor to the patient. This philosophy is predicated on the biologic role of the immune system, specifically that antibodies were generated in response to a non-self (allo) antigen and that a successful immune response eliminates that which caused its stimulation. Although obviously an oversimplification, this philosophy mandates a comprehensive evaluation of HLA antibodies in sensitized recipients. This article addresses the challenges and conundrums associated with human leukocyte antigen antibody identification. (C) 2009 Published by Elsevier Inc. on behalf of American Society for Histocompatibility and Immunogenetics.
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