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  • Title: Cell-mediated T lymphocyte responses against syngeneic cells modified with amino-reactive hapten (AED-NH2): H-2Dk serves as an element for cell-mediated lympholysis to amino-reactive hapten (AED-NH2)-modified self.
    Author: Mizuochi T, Fujiwara H, Takai Y, Hamaoka T.
    Journal: J Immunol; 1985 Feb; 134(2):673-6. PubMed ID: 3871213.
    Abstract:
    Spleen cells from C3H/He mice immunized to the newly synthesized amino-reactive hapten, 5-sulfo-1-naphthoxy acetic acid N-hydroxysuccinimide (AED-NH2), were stimulated in vitro with AED-NH2 modified syngeneic cells. After 5 days of culture, effector cells were assayed for their cytotoxic activity against AED-NH2-modified target blast cells. In contrast to other amino-reactive haptens reported so far, a strong cytotoxic activity against AED-NH2-modified syngeneic cells was found in H-2b mice as well as in H-2k mice. Furthermore, Dk-restricted anti-AED-NH2 CTL recognition was observed in H-2k mice as shown by cold target inhibition. Previous studies have demonstrated the predominant influence of K over D region self determinants, and of the chemical reactivity of the haptenic reagent in Ir gene control of CTL response to hapten-self. The present report illustrates the importance of the hapten itself in genetic regulation of these CTL responses.
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