Table 3. gshAB and tlp-C41A mutant reduced carcinogenicity of S. mutans in a gnotobiotic rat model.
Infecting strain | Mean caries scores (n = 5) | |||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|
Buccal | Sulcal | Proximal | ||||||||||
E | Ds | Dm | Dx | E | Ds | Dm | Dx | E | Ds | Dm | ||
UA159 | 34.2 ± 2.01 | 18.4 ± 1.72 | 12.2 ± 1.24 | 5.8 ± 1.02 | 13.2 ± 0.97 | 10.2 ± 1.02 | 7 ± 0.71 | 4 ± 0.71 | 10.2 ± 1.24 | 4.8 ± 1.28 | 3 ± 0.63 | |
ΔgshAB | 13.6 ± 1.78a | 4.8 ± 0.58 a | 1.8 ± 0.58 a | 0.6 ± 0.40b | 14.2 ± 1.66 | 8.2 ± 1.77 | 5.6 ± 0.93 | 2.2 ± 0.80 | 6.8 ± 0.58 | 1 ± 0.32d | 0.0 | |
tlp-C41A | 10.6 ± 1.36a | 3.6 ± 0.81 a | 1.2 ± 0.37 a | 0.0 | 11 ± 1.00 | 4.4 ± 0.81d | 2.8 ± 0.66c | 0.2 ± 0.20c | 7.2 ± 1.02 | 1.6 ± 0.51d | 0.0 |
a: Significantly different from value for group UA159 (P < 0.0001)
b: Significantly different from value for group UA159 (P < 0.001)
c: Significantly different from value for group UA159 (P < 0.01)
d: Significantly different from value for group UA159 (P < 0.05)