| Chk1 | checkpoint kinase 1 |
| Chk2 | checkpoint kinase 2 |
| CDK | cyclin-dependent kinase |
| CDKI | cyclin-dependent kinase inhibitor |
| Cdc25C | cell division cycle 25C |
| Cdc2 | cell division cycle 2 |
| MTT | 3-(4,5-dimethylthiazol-2-yl)-2,5-diphenyltetrazolium bromide |
| ∆Ψm | mitochondrial membrane potential |