Vaccine group | BrucellaCFU per spleen | Brucellaper spleen as a % of challenge dose | Protection units |
---|---|---|---|
Experiment 1: A comparison of single dose naked DNA vaccine efficacy | |||
Rev.1 | 2.95 ± 0.35* | 67.8 | 2.04* |
PBS | 5.00 ± 0.05 | 114.8 | 0 |
pcDNA3.1 [X1] | 4.56 ± 0.31 | 104.8 | 0.43 |
p-omp25 [X1] | 4.45 ± 0.44 | 102.3 | 0.55 |
p-ialB [X1] | 4.19 ± 0.42 | 96.4 | 0.80 |
Experiment 2: p- omp25 [X4] compared with L-p- omp25 [X1] | |||
Rev.1 | 1.47 ± 0.82* | 33.2 | 3.35* |
PBS | 4.83 ± 0.29 | 109.2 | 0 |
pcDNA3.1 [X4] | 4.80 ± 0.21 | 108.5 | 0.02 |
p-omp25 [X4] | 1.40 ± 0.69* | 31.7 | 3.42* |
L-p-omp25 [X1] | 4.01 ± 0.14* | 90.8 | 0.81* |
L-pcDNA3.1 | 4.86 ± 0.44 | 109.8 | -0.03 |
Experiment 3: p- ialB [X4] compared with L-p- ialB | |||
Rev.1 | 1.94 ± 0.77* | 44.8 | 2.12* |
PBS [X4] | 4.10 ± 0.68 | 93.6 | 0 |
PcDNA3.1 [X4] | 3.75 ± 0.36 | 86.1 | 0.32 |
p-ialB [X4] | 1.91 ± 0.93* | 44.0 | 2.15* |
L-p-ialB [X1] | 3.07 ± 1.08 | 70.5 | 1.00 |
L-pcDNA3.1 | 3.37 ± 0.58 | 77.5 | 0.70 |