Treatment | No. of cells | Class¥ of comet | DNA damaged cells (mean ± SEM) | ||||
---|---|---|---|---|---|---|---|
Analyzed* | Total comets | 0 | 1 | 2 | 3 | ||
Control | 500 | 31 | 469 | 24 | 7 | 0 | 6.2 ± 0.26e |
MMC | 500 | 137 | 363 | 29 | 47 | 61 | 27.4 ± 0.22a |
MMC + NR50 3d | 500 | 113 | 387 | 31 | 38 | 44 | 22.6 ± 0.35b |
MMC + NR100 3 days | 500 | 104 | 396 | 28 | 35 | 41 | 20.8 ± 0.42bc |
MMC + NR50 1w | 500 | 91 | 409 | 23 | 32 | 36 | 18.2 ± 0.28c |
MMC + NR100 1 week | 500 | 74 | 426 | 24 | 29 | 21 | 14.8 ± 0.45cd |
MMC + NR50 1 month | 500 | 51 | 449 | 22 | 17 | 12 | 10.2 ± 0.33d |
MMC + NR100 1 month | 500 | 42 | 458 | 19 | 15 | 8 | 8.4 ± 0.25de |