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  • Title: Production and characterization of T-cell clones specific for trinitrophenyl (TNP)-modified syngeneic spleen cells (TNP-self).
    Author: Arora PK, Hanna EE.
    Journal: Indian J Exp Biol; 1989 Oct; 27(10):843-8. PubMed ID: 2483952.
    Abstract:
    Using serial antigenic challenge as the method of selection and stimulation, continuous lines of cytotoxic T-lymphocytes (CTL) directed against TNBS-modified syngeneic spleen cells (TNP-self) have been generated. Spleen cells from C3H/HeJ (H-2k) mice were primed in vitro with autologous spleen cells modified with TNBS, and subsequently cloned by limiting dilution and in soft agar in the presence of IL2. These CTL clones grew continuously in medium supplemented with IL2 and in the presence of antigen. They are antigen specific and H-2 restricted in their target cell recognition. They all express Thyl and Lyt2 surface markers. None of the clones exhibit natural killer (NK) cell activity. All CTL clones tested so far are restricted in their target cell recognition to H-2Kk-TNP and none were found to be restricted to H-2Dk-TNP. These findings demonstrate at the clonal level the H-2K/D restriction of TNP-self specific CTL. These clones provide tools that may facilitate an understanding of the development and regulation of antigen specific CTL. They may also serve as models useful towards an understanding of the mechanism of lysis by CTL.
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