Table 1.

Splenocyte proliferative responses and the percentages of T cell subsets in immunized mice 2 weeks after the last immunization

Groups	SI (Mean ± SD)	CD3 + CD4 + CD8- (%)	CD3 + CD8 + CD4- (%)
pVAX-CDPK3	1.30 ± 0.18**	20.33 ± 3.06**	8.90 ± 2.95
pVAX I	0.89 ± 0.07	14.17 ± 1.88	6.47 ± 1.20
PBS	0.91 ± 0.01	13.70 ± 2.41	6.37 ± 1.25
Blank control	0.97 ± 0.01	15.27 ± 1.89	5.03 ± 0.40

SI stands for stimulation index.

**Statistically significant difference (P < 0.05).