Effect of cortisol and dexamethasone on the intracellular proliferation of Salmonella Typhimurium in macrophages. Number of intracellular Salmonella Typhimurium bacteria in PAM that were treated with control medium or different concentrations of A) cortisol or B) dexamethasone, for 24 h after invasion. The log10 values of the number of gentamicin protected bacteria + standard deviation are shown. Results are presented as a representative experiment conducted in triplicate. Superscript (*) refers to a significant difference compared to the control (p ≤ 0.05).