PMID: 1184965Dec 1, 1975Paper

Cell-mediated immune responses in vitro. II. Simultaneous generation of cytotoxic lymphocyte responses to two sets of alloantigens of limited cross-reactivity.

The Journal of Immunology : Official Journal of the American Association of Immunologists
D L Peavy, C W Pierce

Abstract

The conditions for generation of simultaneous and independent cytotoxic lymphocyte (CL) responses to each of two sets of alloantigens of limited cross-reactivity by mouse spleen cells in vitro have been investigated. Responder spleen cells were incubated with mitomycin C-treated C57BL/6 (H-2b) or DBA/2 (H-2d) stimulator spleen cells and day 5 CL responses were assayed with 51Cr-labeled EL-4 leukemia (H-2b) and P815 mastocytoma (H-2d) as target cells. Spleen cells from mice of the various H-2 haplotypes tested differed greatly in their ability to develop specific CL responses against alloantigens on the stimulator spleen cells and in the degree of cross-reactive cytotoxic activity against target cells bearing alloantigens not present on the stimulator spleen cells. In contrast to the other strains examined, DBA/1 (H-2q) spleen cells developed specific CL responses to either H-2b or H-2d alloantigens without exhibiting significant cross-reactive activity on the inappropriate target cell. The CL responses to H-2b and H-2d alloantigens by DBA/1 spleen cells were comparable in magnitude and had similar stimulator cell-dose requirements. Further, DBA/1 spleen cells developed CL responses of normal magnitude simultaneously against bot...Continue Reading

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