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Table 1 Splenocyte proliferative responses and the percentages of T cell subsets in immunized mice 2 weeks after the last immunization

From: Immune response and protective effect against chronic Toxoplasma gondii infection induced by vaccination with a DNA vaccine encoding profilin

Groups SI (Mean ± SD) CD3 + CD4+ (%) CD3 + CD8+ (%)
pVAX-PF + pVAX-IL-15 1.08 ± 0.06A 11.13 ± 3.02A 7.13 ± 1.23A
pVAX- PF 1.13 ± 0.11A 11.33 ± 3.23A 8.9 ± 1.13A
pVAX-IL-15 0.85 ± 0.05B 14.53 ± 1.17A 6.43 ± 2.32A
pVAX I 0.79 ± 0.03B 3.13 ± 1.36B 5.77 ± 2.6A
PBS 0.85 ± 0.04B 3.46 ± 1.25B 5.77 ± 0.67A
Blank control 0.56 ± 0.01C 6.43 ± 1.42B 6.1 ± 1.82A
  1. Spleens from 3 mice in each group
  2. SI stands for stimulation index
  3. The same superscript letter means no significant difference (P > 0.05), whereas different superscript letters mean significant difference (P < 0.05)