SELECTIVE REACTIONS IN ANTIBODY-DEPENDENT CELL-MEDIATED CYTOTOXICITY

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Abstract
Selective reactions associated with HLA specificity were sought in antibody-dependent cell-mediated cytotoxic tests against HLA-typed lymphoblastoid lines using operationally monospecific HLA sera and effector cells from healthy individuals. Precise detection of HLA specificities was disturbed by the presence of natural antibodies in HLA antiserum and the effect of the serum and cells on target cell viability. Detection of HLA specificity was improved by absorption of the serum to remove natural antibodies and correction of the results for extraneous cell and serum effects.