Objective To study the effect of dexamethasone(DXM)on the resistance of rat peritoneal macrophages to Toxoplasma gondii. MethodsThe growth of T.gondiiin rat peritoneal macrophages treated with DXM was analyzed using Wright-Giemsa staining.IFN-γ,TNF-α,and IL-2mRNA expression by peritoneal macrophages treated with DXM was determined using a semiquantitative reverse-transcription polymerase chain reaction(RT-PCR),and cytokine concentrations in culture supernatants were measured using ELISA. Results The growth ...