IFNG and Salmonella Infections: Salmonella infection changes the gut barrier and immune system by causing the production of cytokines such as interleukin-1 (IL-1β), interleukin-8 (IL-8), interleukin-6 (IL-6), lipopolysaccharide-induced tumor necrosis factor (LITAF), and interferon-(IFN-γ) [9,18,19,20,21].