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  • Title: Synergy between subpopulations of normal mouse spleen cells in the in vitro generation of cell-mediated cytotoxicity specific for "modified self" antigens.
    Author: Hodes RJ, Hathcock KS, Shearer GM.
    Journal: J Immunol; 1975 Oct; 115(4):1122-5. PubMed ID: 51877.
    Abstract:
    Responding lymphoid cells cultured in vitro with irradiated trinotrophenyl (TNP)-modified syngeneic spleen cells develop direct cell-mediated cytotoxicity which is specific for target cells bearing both the TNP moiety and histocompatibility determinants of the modified sensitizing cell. Two subpopulations of normal mouse spleen cells have been shown to synergize in the in vitro generation of specific cell-mediated cytotoxicity to these "modified self" antigens. The synergizing populations are nylon wool column-adherent and column-nonadherent fractions of normal mouse spleen. When mixtures of these two cell populations are cultured in vitro with irradiated TNP-modified syngeneic spleen cells, greater cytotoxicity is generated in the two populations sensitized separately. The synergizing cell in the column-adherent population is resistant to lysis by rabbit anti-mouse brain serum, is distinct from the cytotoxic effector T lymphocyte, and is unresponsive to phytohemagglutinin; its synergizing function could not be replaced by peritoneal cells. These results suggest that it is a non-T cell which may be distinct from the macrophage.
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