Fig. 6From: Effect of Enterococcus faecalis 2001 on colitis and depressive-like behavior in dextran sulfate sodium-treated mice: involvement of the brain–gut axisHippocampal expression of TNF-α (a) and IL-6 (b) mRNA in dextran sulfate sodium-treated mice. Bars represent means ± standard error of mean (SEM) (n = 3–9 per group)Back to article page