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Should HLA Mismatch Acceptability for Sensitized Transplant Candidates Be Determined at the High‐Resolution Rather Than the Antigen Level?
Author(s) -
Duquesnoy R. J.,
Kamoun M.,
BaxterLowe L. A.,
Woodle E. S.,
Bray R. A.,
Claas F. H. J.,
Eckels D. D.,
Friedewald J. J.,
Fuggle S. V.,
Gebel H. M.,
Gerlach J. A.,
Fung J. J.,
Middleton D.,
Nickerson P.,
Shapiro R.,
Tambur A. R.,
Taylor C. J.,
Tinckam K.,
Zeevi A.
Publication year - 2015
Publication title -
american journal of transplantation
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 2.89
H-Index - 188
eISSN - 1600-6143
pISSN - 1600-6135
DOI - 10.1111/ajt.13167
Subject(s) - human leukocyte antigen , epitope , medicine , immunology , antigen , allele , histocompatibility testing , histocompatibility , high resolution , angstrom , transplantation , genetics , biology , gene , remote sensing , geology , chemistry , crystallography
Defining HLA mismatch acceptability of organ transplant donors for sensitized recipients has traditionally been based on serologically defined HLA antigens. Now, however, it is well accepted that HLA antibodies specifically recognize a wide range of epitopes present on HLA antigens and that molecularly defined high resolution alleles corresponding to the same low resolution antigen can possess different epitope repertoires. Hence, determination of HLA compatibility at the allele level represents a more accurate approach to identify suitable donors for sensitized patients. This approach would offer opportunities for increased transplant rates and improved long term graft survivals.