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Host resistance to infection by Trypanosoma cruzi is dependent on both natural and acquired immune responses. During the first week of infection in mice, NK cell-derived gamma interferon (IFN-gamma)(More)
The role of cytokines in the control of tissue parasitism and pathogenesis of experimental Chagas' disease was investigated. Wild-type and different cytokine as well as inducible nitric oxide(More)
TNF is involved in host resistance to several pathogens. Recently it was found that mice lacking the p55 receptor for TNF (TNFRp55 -/-) do not control growth of the intracellular bacteria, Listeria(More)