Table 2.

Cytokine production by splenocytes of immunized Kunming mice after stimulation by toxoplasma lysate antigen ^a

Groups	Cytokine production (pg/ml)
	IFN-γ	IL-2	IL-4	IL-10	IL-12 (p70)	IL-23
pVAX-CDPK3	612.11 ± 128.56**	263.79 ± 35.43**	32.42 ± 2.74**	870.12 ± 226.50**	129.63 ± 77.42**	87.59 ± 7.14**
pVAX I	34.91 ± 11.23	<15	<15	322.50 ± 179.17	15.14 ± 7.63	19.93 ± 22.65
PBS	36.34 ± 4.83	<15	18.96	356.13 ± 175.27	22.31 ± 4.40	27.12 ± 18.46
Blank control	47.28 ± 16.60	<15	<15	477.25 ± 87.53	22.65 ± 21.90	23.68 ± 14.13

^aSplenocytes from mice were harvested two weeks after the last immunization.

**Statistically significant difference (P < 0.05).