The Immunological Enhancement Activity of Propolis Flavonoids Liposome In Vitro and In Vivo

Figure 5

The dynamic change of concentrations of IFN-γ and IL-4 after vaccination. On weeks 0, 1, 2, 3, 4, 5, and 6 after first vaccination, the concentrations of IFN-γ and IL-4 in serum were determined by ELISA kits. Values are mean ± SEM, mice/group. The superscripts without the same letters above the columns differ significantly () from each other in the same concentration group.

(a)  

(b)