Table 9.
Polyploidy index in Chinese hamster ovary cells treated with DEPBA, Ibuprofen and PI
| Exposure | DEPBA | Ibuprofen & PI | ||
|---|---|---|---|---|
| Concentration μg/ml | Polyploidy Index (%) | Concentration μg/ml | Polyploidy Index (%) | |
| 3 Hr +S9 | DMSO | 2.0 | DMSO | 0.9 | 
| 13.3 | 1.5 | Ibuprofen, 62.5 | 0.5 | |
| 26.5 | 2.0 | Ibuprofen, 125 | 1.4 | |
| 53 | 1.5 | Ibuprofen, 250 | 1.4 | |
| 500 | 2.4 | PI, 25 | 0.5 | |
| 5000 | 0.9 | PI, 50 | 1.9 | |
| CP, 12.5 μg/ml | 0.0 | PI, 100 | 1.4 | |
| CP, 9 μg/ml | 0.5 | |||
| 3 Hr +S9 | DMSO | 1.0 | ||
| 13.3 | 1.0 | |||
| 26.5 | 3.0 | |||
| 53 | 0.5 | |||
| 500 | 2.0 | |||
| 5000 | 1.5 | |||
| CP, 12.5 μg/ml | 0.5 | |||
DMSO= Dimethyl sulfoxide; CP= Cyclophosphamide; S9 = rat hepatic S9 metabolic activation. PI= Phospho-ibuprofen