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  • Title: Immunologic deficiency during experimental Chagas' disease (Trypanosoma cruzi infection): role of adherent, nonspecific esterase-positive splenic cells.
    Author: Kierszenbaum F.
    Journal: J Immunol; 1982 Nov; 129(5):2202-5. PubMed ID: 6811661.
    Abstract:
    The involvement of adherent splenic cells in the production of deficient lymphocyte responses during the acute phase of experimental Chagas' disease was investigated. When cultured together, purified adherent splenocytes from mice acutely infected with Trypanosoma cruzi caused a significant reduction in the responses of normal mouse spleen cells to T and B cell-specific mitogens. Similar observations were made when infected mouse adherent splenocytes were co-cultured with normal mouse nonadherent cells. Exchange of adherent cells in infected mouse spleen cells suspensions for adherent cells from uninfected mice resulted in increased responses to stimulation with the T and B cell mitogens tested. Treatment of infected mouse cell suspensions with indomethacin improved the responsiveness of these cells to the mitogens. These results support the concept that the immunosuppression that is characteristic of experimental acute Chagas' disease is at least in part mediated by an adherent cell population and is dependent on a prostaglandin-mediated mechanism.
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