Inhibition of cell-mediated cytolysis of trinitrophenyl-derivatized target cells by alloantisera directed to the products of the K and D loci of the H-2 complex
- PMID: 1082140
- PMCID: PMC335964
- DOI: 10.1073/pnas.73.2.625
Inhibition of cell-mediated cytolysis of trinitrophenyl-derivatized target cells by alloantisera directed to the products of the K and D loci of the H-2 complex
Abstract
The role of the products of the K and D loci of the H-2 complex as target antigens for cytotoxic T cells generated to modified syngeneic cells has been investigated. Spleen cells, when cocultured with trinitrophenyl-derivatized syngeneic cells, generate cytolytic T cells that lyse most effectively tumor or spleen targets that are trinitrophenyl-derivatized and H-2 identical to the sensitizing cell. Cytolysis is inhibited by alloantisera to the K and/or D specificities of the target cells and by anti-dinitrophenyl antisera. Cytolic cells generated in this manner are also able to lyse, though less efficiently, trinitrophenyl-derivatized tumor and spleen targets that do not share products of the K and D loci with the sensitizing cell, and this cytolysis is also blocked by alloantisera directed to the H-2 serological specificities of such targets.
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