Comparison of the humoral and cytotoxic T-lymphocyte response to individual HLA class I alloantigens in highly immunized patients
1991
Abstract In order to investigate the correlation between activation of cytotoxic T-lymphocyte precursor (CTLp) and the formation of antibodies to alloantigens, we studied 21 highly sensitized patients waiting for a kidney transplantation. Both antibody reactivity and CTLp frequencies of those patients were determined against 88 individual HLA class I alloantigens. A high or low CTLp frequency against a certain HLA-A or -B alloantigen was not correlated with the presence or absence of the antibodies to that antigen. Mismatched antigens, towards which the patient had not formed antibodies, can induce either a higher or a lower frequency of CTLp compared to mismatches towards which the patients had formed antibodies. The possible implications of this lack of correlation between the T- and B-cell allorepertoires with regard to donor selection for (highly immunized) patients is discussed.
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