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  • Title: Effects of concanavalin A-induced cells on the proliferative response of T cells. Concanavalin A-induced suppressor and amplifier cells to the proliferative response of human T cells to trinitrophenyl-modified autologous lymphocytes.
    Author: Mayumi M, Yoshida T, Shinomiya K, Nishikawa SI, Hirata T, Izumi T, Mikawa H.
    Journal: J Immunol; 1979 Aug; 123(2):772-7. PubMed ID: 313421.
    Abstract:
    Effects of Con A-induced human mononuclear cells on the proliferative response of peripheral T cells were examined by using TNP-modified autologous lymphocytes as stimulator cells. Cells induced by incubation with Con A contained both suppressor cells and amplifier cells. The former were induced from nylon wool-nonadherent T cells and these precursor cells were sensitive to mitomycin treatment. On the other hand, amplifier precursor cells were nylon wool-nonadherent T cells and were resistant to mitomycin treatment. Cell proliferation was required for the induction of suppressor cells but not for the induction of amplifier cells. Con A-induced suppressor effector cells were both nylon wool-adherent and nonadherent cells, on the contrary, Con A-induced amplifier effector cells were nonadherent cells. A small number of macrophages enhanced the suppressive activity of nonadherent T cells when added at the induction phase of suppressor T cells.
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