Research Article

Resistance to Chronic Toxoplasma gondii Infection Induced by a DNA Vaccine Expressing GRA16

Table 3

Cytokine productions by splenocytes of immunized Kunming mice after stimulation by Toxoplasma lysate antigen .

GroupsCytokine production (pg/ml)
IFN-γIL-2IL-4IL-10

Blank control169.80 ± 7.6949.84 ± 3.59<5249.65 ± 13.15
PBS172.40 ± 16.5747.94 ± 2.94<5310.05 ± 37.59
pVAX I171.36 ± 2.6651.52 ± 6.07<5235.20 ± 36.73
pVAX-GRA16

from mice were obtained two weeks after the last immunization; ; .