| CDK | Cyclin-dependent kinase |
| CDKI | Cyclin-dependent kinase inhibitor |
| CIP | Cdk Interacting Protein |
| Chk | Checkpoint kinase |
| G0 phase | Resting (quiescent) phase |
| G1 phase | Gap 1 phase |
| G2 phase | Gap 2 phase |
| GADD | Growth arrest and DNA-damage-inducible protein |
| HDAC | Histone deacetylase |
| KIP | Kinase Inhibitory Protein |
| M phase | Mitosis |
| MDM2 | Murine Double Minute 2 |
| pRB | Retinoblastoma protein |
| S phase | Synthesis |
| Skp2 | S-phase kinase-associated protein 2 |
| TDEC | Tumor-derived endothelial cells |
| VDR | Vitamin D receptor |
| VDRE | Vitamin D response element |