Fig. 4From: Immune response and protective effect against chronic Toxoplasma gondii infection induced by vaccination with a DNA vaccine encoding profilinCytokine productions secreted by splenocytes of Kunming mice immunized after stimulating by rTgPF protein. Each bar represents the mean OD (±S.E., n = 6). ***P < 0.0001, ** P < 0.01, * P < 0.05, NS: not significantBack to article page