Table 2. Combinatorial chemopreventive effect of Res and/or BTP on tumor regression.
Groups | Treatment | Number of animals with tumors | CNT | ANT(Mean ± SD) | ATV(Mean ± SD) | ||||
18th | 26th | 18th | 26th | 18th | 26th | 18th | 26th | ||
II | DMBA+TPA | 25/25 | 25/25 | 230 | 198 | 9.2±2.6 | 7.92±2.1 | 130.0±10.2 | 105.4±10.4 |
IV A | (−)Res-Non-tumor bearing | 0/12 | 0/12 | - | - | - | - | - | - |
IV B | (−)Res-tumor bearing | 6/6 | 6/6 | 34a | 28a | 5.66±1.9a | 5.66±2.0a | 56.1±7.2a | 51.8±6.0a |
IV C | (+)Res-tumor bearing | 7/7 | 7/7 | 35a | 26a | 5.00±1.1a | 3.71±2.5a | 49.1±6.1a | 40.3±5.5a |
V A | (−)BTP-Non-tumor bearing | 0/9 | 0/9 | - | - | - | - | - | - |
V B | (−)BTP-tumor bearing | 8/8 | 8/8 | 42a | 36a | 5.25±2.1a | 4.5±2.2a | 59.3±6.2a | 50.8±6.6a |
V C | (+)BTP-tumor bearing | 8/8 | 8/8 | 46a | 34a | 5.75±2.1a | 4.2±2.6a | 67.1±5.4a | 53.6±7.5a |
VI A | (−)Res+BTP-Non-tumor bearing | 0/13 | 0/13 | - | - | - | - | - | - |
VI B | (−)Res+BTP-tumor bearing | 5/5 | 5/5 | 13b | 10b | 2.6±2.0b | 2.0±2.0c | 24.2±5.4b | 21.8±5.6c |
VI C | (+)Res+BTP-tumor bearing | 5/5 | 3/5 | 12b | 6b | 2.4±1.6b | 2.0±1.6c | 23.9±7.4b | 18.9±8.6c |
significant reduction over DMBA and TPA treated group II at 18th week (p<0.01).
significant reduction over BTP and Res alone treated groups IV B–C and V B–C at 18th week (p<0.01).
significant reduction at 26th week (p<0.01).
(−) indicates without treatment, (+) indicates with treatment.
Res, resveratrol; CNT, cumulative number of tumors; ANT, average number of tumors/mouse; ATV, average tumor volume/tumor bearing mouse.