IFNG and infection: On infection and stimulation with IFNγ, the expression of BRG1 decreased significantly at 3 h (~ 86.6%, P = 0.016), 6 h (~ 94.4%, P = 0.012) and 24 h (~ 91%, P = 0.01) in comparison to the uninfected, stimulated cells (Figure 1A).