Fig. 6
Levels of IFN-γ, IL-2, and IL-4 from the suspension of the spleen lymphocytes in immunized mice. The levels of IFN-γ (a), IL-2 (b), and IL-4 (c) from the suspension of the spleen lymphocytes were determined by ELISA assays. PBS was used as a control. Data represented mean ± SD. *p < 0.05, **p < 0.01, and ***p < 0.001 (determined by one-way ANOVA followed by a Tukey–Kramer post hoc test)