Fig. 4

CUMS mice activate IDO and cytokines. A–F Results of the IDO1 and IDO2 of mice after a 3-week exposure to CUMS through qPCR and ELISA. Data are presented as mean ± SEM, n = 5–8 per group. *p < 0.05, **p < 0.01, ***p < 0.001, ****p < 0.0001 vs Control + PBS, #p < 0.05, ##p < 0.01, ###p < 0.001, ####p < 0.0001 vs CUMS + PBS