Treatment | No. of rats with tumors | % | Tumor latency (weeks)† | Tumors per rat† |
---|
MNU | 10/10 | 100 | 11.9 ± 2.8 | 2.5 ± 1.7 |
I2-MNU | 10/16* | 62.5* | 11.6 ± 1.4 | 2.0 ± 0.9 |
- At 5 weeks of age, rats were treated with 0.05% I2 in the drinking water. Two weeks later, rats received a single i.p. injection of MNU (50 mg/Kg bw), and the administration of I2 was continued until 16 weeks had elapsed. † indicates mean ± SD. Asterisk (*) indicates P < 0.05 compared to MNU.