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  • Title: Detection of shared H-2Kk and H-2Dk antigens that function as self determinants for cell-mediated lympholysis to trinitrophenyl-self.
    Author: Fujiwara H, Levy RB, Shearer GM.
    Journal: J Immunol; 1981 Apr; 126(4):1522-5. PubMed ID: 6162891.
    Abstract:
    Spleen cells from C3H/He mice immunized in vivo to trinitrophenyl (TNP)-self were sensitized in vitro to TNP-self. These spleen cells displayed strong lysis on TNP-modified H-2D end-matched (Kd-Dk) targets as well as enhanced cytotoxicity against H-2 matched (Kk-Dk) or H-2K end-matched (Kk-Dd) target cells. Cold target-blocking studies showed that the lysis of TNP-Kd-Dk targets could be blocked by the addition of TNP-modified Kk-Dk, Kk-Dd Kk-Db, or Kd-Dk, but not by TNP-modified Kd-Dd, Kb-Db and Kq-Kq spleen cells. These results demonstrate that the lysis of TNP-Kd-Dk targets is not due to cross-reactive clones against TNP-Kd-Dd, Kb-Db or Kq-Dq antigens. Inhibition of the TNP-Kd-Dk target lysis by TNP-Kk-matched (Kk-Dd or Kk-Db) as well as TNP-Dk-matched (Kd-Dk) blockers also reveals that this target is lysed by clones directed against shared antigens between Kk-TNP and Dk-TNP, indicating that no cytotoxic response restricted for Dk-TNP only could be detected even after in vivo priming.
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