cytokines of different groups of DCs culture supernatant from each treatment group in experiment (2) were collected and detected the level of different cytokines.

Control means DCs are treated with RPMI1640. (A). the level of TNF-ɑ of supernatant (B). the level of IL-2 of supernatant (C).the level of IL-10 of supernatant (D). the level of IL-6 of supernatant. *PP# P## P<0.001 significantly different from the LPS group.