Abstract
The mixed lymphocyte reaction (MLR) is the proliferative response of one individual's lymphocytes cultured in the presence of another individual's lymphocytes. In man, the MLR is elicited by cell surface antigens coded for by the HLA-D gene locus. This locus is among a cluster of genes which are located on the sixth chromosome and which include genes coding for the major histocompatibility antigens HLA-A, B, and C as well as HLA-D. If the stimulator cell possesses D locus antigens not present in the responder, the lymphocytes of the latter will undergo blast transformation resulting in DNA synthesis which can be measured. A vigorous response in the MLR to allogeneic cells is the rule among healthy individuals.
Authors
Edgar G. Engleman, Hugh O. McDevitt
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ISSN: 0021-9738 (print), 1558-8238 (online)