| ATM | Ataxia telangiectasia mutated |
| ATR | ATM- and Rad-3 related |
| BRCA1/2 | Breast cancer associated gene 1/2 |
| Chk1/2 | Checkpoint kinase 1/2 (CHEK1/2) |
| CSB | Cockayne syndrome protein B |
| DDR | DNA damage response |
| DSB | DNA double-strand breaks |
| ERK2 | Extracellular regulated kinase 2 |
| γH2AX | Ser139 phosphorylated histone H2AX |
| HDACi | Histone deacetylase inhibitor |
| HR | Homologous recombination |
| Kap1 | KRAB-associated protein 1 (TRIM28) |
| NER | Nucleotide excision repair |
| NHEJ | Non-homologous end-joining |
| XPA | Xeroderma pigmentosum complementation group A |