Table 2.
Flow cytometric analysis of CD4+ and CD8+ T cells (%).
| T lymphocyte | Groups | D11 | D18 | D25 | D32 |
|---|---|---|---|---|---|
| CD4 | |||||
| BC | 68.53 ± 0.50b | 64.83 ± 0.58d | 66.00 ± 0.70b | 64.80 ± 0.61b | |
| VC | 72.67 ± 1.16a | 68.70 ± 0.78c | 69.93 ± 0.78b | 67.03 ± 2.11b | |
| MLP-L | 75.37 ± 0.79a | 72.70 ± 1.08b | 69.30 ± 1.48b | 66.43 ± 2.84b | |
| MLP-M | 75.67 ± 0.52a | 74.33 ± 1.05a,b | 74.50 ± 1.31a | 72.87 ± 1.24a | |
| MLP-H | 74.40 ± 1.43a | 75.83 ± 0.26a | 73.90 ± 0.67a | 70.63 ± 0.74a,b | |
| CD8 | |||||
| BC | 65.33 ± 0.88c | 64.50 ± 1.18b | 71.60 ± 1.49b,c | 63.40 ± 1.49c | |
| VC | 68.60 ± 1.35b,c | 66.23 ± 1.10b | 70.20 ± 1.00c | 66.03 ± 2.26b,c | |
| MLP-L | 71.47 ± 0.71b | 72.13 ± 0.27a | 75.40 ± 1.86b | 68.43 ± 2.60b | |
| MLP-M | 79.93 ± 1.59a | 72.50 ± 0.35a | 77.80 ± 1.17b | 80.40 ± 2.83a | |
| MLP-H | 77.97 ± 1.07a | 71.17 ± 0.50a | 83.53 ± 0.87a | 73.90 ± 1.65a,b |
a–dData in the same column without the same superscript differ significantly (P < 0.05).
Abbreviations: BC, blank control; D11, day 7; D18, day 14; D25, day 21; D32, day 28; MLP, mulberry leaf polysaccharide; MLP-L, MLP at a dose of 2 mg; MLP-M, MLP at a dose of 4 mg; MLP-H, MLP at a dose of 8 mg; VC, vaccine control.