Table 1.

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

Group	Cytokine production (pg/ml)
	IFN-γ	IL-2	IL-4	IL-10	IL-12 (p70)
CDPK6 + ROP18 + PLG	2092.66 ± 363.69***	238.48 ± 6.37***	>0*	360.61 ± 296.21	4.55 ± 2.91
CDPK6 + ROP18 + 206	1727.43 ± 506.06**	257.92 ± 4.04***	>0*	520.98 ± 91.89***	<0
CDPK6 + ROP18	1835.37 ± 384.89**	251.35 ± 5.51***	>0*	409.57 ± 337.62	<0
ROP18 + PLG	1720.61 ± 329.18**	243.76 ± 91.02**	>0*	56.92 ± 57.09***	9.17 ± 15.2
ROP18 + 206	1595.37 ± 1204.87	263.7 ± 30.02***	>0*	430.08 ± 623.13	<0
ROP18	1530.8 ± 724.92*	244.52 ± 1.82***	>0*	484.58 ± 453.58	<0
CDPK6 + PLG	1040.08 ± 477.05	179.65 ± 107.16	>0*	139.41 ± 141.62	>0
CDPK6 + 206	1013.52 ± 630.91	215.95 ± 43.12***	>0*	121.55 ± 103.54	<0
CDPK6	838.58 ± 186.37	85.66 ± 140.77	>0*	>0	<0
PBS + PLG	471.15 ± 232.97	45.11 ± 46.95	9.29 ± 3.56	609.99 ± 267.23	6.12 ± 7.25
PBS + 206	611.01 ± 308.16	38.89 ± 35.46	13.09 ± 4.67	613.01 ± 154.41	1.09 ± 2.26
PBS	515.27 ± 363.03	20.76 ± 32.26	14.73 ± 2.46	597.48 ± 216.81	<0
Control	590.3 ± 257.92	33.9 ± 13.16	12.43 ± 12.92	606.35 ± 376.32	<0

^a Splenocytes from mice were harvested 6 weeks after the last immunization

The 4 control groups, PBS + PLG, PBS + 206, PBS, and blank control, were treated as controls in regard to statistical analysis. *P < 0.05. **P < 0.01. ***P < 0.001 compared with the average of the controls