Table 2. DNA migration pattern of MRC-5 cells in the alkaline comet assay after 24 h SMF continuous exposure/sham exposure at 370 mT magnetic induction level.
| Experiment | Treatment | Migrated DNA (%) | Tail length (microns) | Tail moment (arbitrary units) | Apoptotic nuclei |
|---|---|---|---|---|---|
| 1 | CTRL | 3.00 | 6.75 | 0.93 | 6.00 |
| Sham | 2.85 | 6.20 | 0.80 | 2.00 | |
| SMF | 2.97 | 6.08 | 0.79 | 2.00 | |
| H2O2 25 μM | 10.07 | 23.00 | 4.28 | 11.00 | |
| 2 | CTRL | 2.43 | 7.04 | 0.91 | 1.00 |
| Sham | 2.76 | 7.00 | 0.92 | 1.00 | |
| SMF | 2.64 | 6.93 | 0.91 | 1.00 | |
| H2O2 25 μM | 9.41 | 30.63 | 5.76 | 5.00 | |
| 3 | CTRL | 2.92 | 5.40 | 0.79 | 6.00 |
| Sham | 4.34 | 7.70 | 1.45 | 5.00 | |
| SMF | 3.19 | 5.86 | 0.90 | 6.00 | |
| H2O2 25 μM | 7.54 | 16.45 | 2.51 | 11.00 | |
| Mean ± SD | CTRL | 2.78 ± 0.30 | 6.40 ± 0.88 | 0.87 ± 0.07 | 4.33 ± 2.88 |
| Sham | 3.32 ± 0.88 | 6.97 ± 0.75 | 1.05 ± 0.34 | 2.67 ± 2.08 | |
| SMF | 2.93 ± 0.27 | 6.29 ± 0.57 | 0.86 ± 0.06 | 3.00 ± 2.64 | |
| H2O2 25 μM | 9.01 ± 1.31* | 23.36 ± 7.10* | 4.18 ± 1.63* | 9.00 ± 3.46* |
Results of H2O2 treatment (25 μM, 10 min) are also presented as positive control. *P < 0.05, one-way ANOVA multiple –comparison followed by Bonferroni test.