| SCN | Suprachiasmatic nucleus |
| BMAL1 | Brain and muscle ARNT-like protein 1 |
| CLOCK | Circadian Locomotor Output Cycles Kaput |
| PER | Period |
| CRY | Cryptochrome |
| ROR | Retinoic acid receptor-related orphan receptors |
| RORE | ROR response elements |
| DBP | Albumin D-box binding protein |
| NFIL3 | Nuclear factor interleukin-3 |
| CKIε | Casein kinase 1 epsilon |
| CCG | Clock-controlled genes |
| AFMK | N1-acetyl-N2-formyl-5-methoxykynuramine |
| LAN | Light-at-night |
| UVR | Ultraviolet Radiation |
| ROS | Reactive Oxygen Species |
| XPA | Xeroderma pigementosum group A |
| OGG1 | 8-oxo-guanine gycolylase |