Inhibition of the Induction of Cytolytic T Lymphocytes with Alloantisera Directed against H-2K and H-2D Gene Products

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Abstract
Alloantisera directed at gene products of the H-2Kd or H-2Dd loci on the stimulator cell were shown to inhibit specifically the generation of cytolytic T lymphocytes to those antigens. Thus, masking the antigens of one H-2 locus on the stimulator cell inhibits the induction of CTL to products of that locus but does not inhibit the induction of CTL to antigens of another H-2 locus. Alloantisera inhibition of the induction of cytolytic T lymphocytes occurred with both normal and primed responder cells and also occurred when the stimulating antigens were on whole cells or purified plasma membrane. Absorption on the appropriate spleen cells removed the inhibitory capacity of these alloantisera.