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Isolation of Murine Peritoneal Macrophages to Carry Out Gene Expression Analysis Upon Toll-like Receptors Stimulation
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The requirement for macrophage-lymphocyte interaction in T lymphocyte proliferation induced by generation of

D K Greineder, A S Rosenthal

    Journal of Immunology (Baltimore, Md. : 1950)
    |October 1, 1975
    PubMed

    Guinea pig T lymphocyte proliferation induced by sodium periodate (NaIO4) or neuraminidase-galactose oxidase (NG) occurs when lymphocytes and macrophages are cultured together after treatment of either purified T lymphocytes or macrophages with these agents. Regardless of which cell initially bears the modified surface carbohydrate, lymphocyte proliferation requires the presence of viable homologous macrophages and fails to occur when they are replaced with fibroblasts, erythrocytes, L2C leukemia cells, thymocytes, PMN, line I hepatoma cells, or murine macrophages. Lymphocyte proliferation resulting from NaIO4 or NG treatment of lymphocytes is diminished when these cells are treated with proteolytic enzymes or aged in in vitro culture for 48 hr. By contrast, proteolytic enzyme treatment or in vitro aging has no effect on the ability of NaIO4 or NG-treated macrophages to induce lymphocyte proliferation. The requirement for macrophage-lymphocyte interaction in NaIO4 or NG-induced lymphocyte proliferation is indicative of a central role for the macrophage in the initiation of T lymphocyte proliferation.

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