IFNG and Behcet disease: The expression of IL-17 and IFN-γ mRNA was significantly increased in the BD-recipient group as compared with the healthy control-recipient group (IL-17, P < 0.001; IFN-γ, P = 0.009; Fig. 4i, j) or PBS-treated group (IL-17, P = 0.006; IFN-γ, P = 0.014; Fig. 4i, j).