Summary
In this report, we examine the antigen nonspecific immunoregulating activity of macrophages isolated from the murine methylcholanthrene-induced fibrosarcoma FSA. These cells were shown to enhance the primary anti-CRBC PFC response of whole normal spleen cells in a dose-dependent fashion. This function was associated with a subpopulation of large Ia-negative macrophages and was mediated by a soluble macrophage-derived factor that appeared to act by stimulating the proliferation and/or differentiation of antigen-reactive T cells. The relationship of this factor to previously described monokines is discussed.
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Dougherty, G.J., McBride, W.H. Immunoregulating activity of tumor-associated macrophages. Cancer Immunol Immunother 23, 67–72 (1986). https://doi.org/10.1007/BF00205558
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DOI: https://doi.org/10.1007/BF00205558