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  • Title: Idiotype expression and fine specificity of Glu60Ala30Tyr10-specific T proliferating cells.
    Author: Gougeon ML, Bismuth G, Leclercq L, Somme G, Thèze J.
    Journal: Cell Immunol; 1983 Jan; 75(1):103-10. PubMed ID: 6186400.
    Abstract:
    The fine specificity of anti-Glu60Ala30Tyr10 (GAT) and anti-Glu60Ala40 (GA) proliferating cells was studied. T cells primed with GAT proliferate both to GAT and GA and GA-primed T cells proliferate also to GA and GAT. This cross-reactivity was unexpected given the results previously reported on the fine specificity of anti-GAT antibodies. The effect on the proliferation of BALB/c lymph node cells (LNC) of a syngeneic anti-idiotypic serum, prepared in BALB/c against anti-GAT antibodies, was studied. Two major points are made in this paper: (i) the in vitro addition of the anti-idiotypic serum in cultures containing GAT-primed LNC and GAT enhances the proliferation of GAT-specific T cells; (ii) the anti-idiotypic serum is effective in priming in vivo LNC which then acquire the capacity to proliferate specifically with GAT in vitro. These results further confirm the existence of idiotype-like determinants on T cells.
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