Fig. 5

Relative mRNA expression levels of A IFN-γ, B IL-2, C IL-4, D IL-10, E IL-17 and F ZAP70 in activated CD4+ T cells of each group after 72 h of co-culture. *P < 0.01: compared with the sodium sulphate-pretreated BxPC-3 NC group and BxPC-3-DKK3 group; **P < 0.01: compared with the BxPC-3-DKK3 group. DKK3, dickkopf-related protein 3; NC, negative control