Methamphetamine induce elevation of inflammatory factors. (A) ELISA of pro-inflammatory factors (IL-6, TNF-α, NF-κB and INF-γ) of IEC-6 cells of each group (Control, METH and METH+MCC950). (B) ELISA of pro-inflammatory factors (IL-1β, IL-18, IL-6, TNF-α, NF-κB and INF-γ) of mice intestinal tissues of each group (Control, NS, METH and METH+MCC950). * P<0.05 compared with that of Control group. # P<0.05 compared with that of METH group.