| 53BP1 | TP53-binding protein 1 |
| 6-4PPs | 6-4 photoproducts |
| 8-AIA | 8-(5-aminoimidazol-4-yl)adenine |
| 8-HDF | 8-hydroxy-5-deazaflavin |
| AEJ | Alternative end-joining |
| AMD1 | S-adenosylmethionine decarboxylase proenzyme |
| AMP | Adenosine monophosphate |
| ANP32E | Acidic leucine-rich nuclear phosphoprotein 32 family member E |
| ANP32E | Acidic leucine-rich nuclear phosphoprotein 32 family member E |
| AP1/2 | Activating protein 1/2 |
| APE | AP-endonulcease |
| aPKCs | Atypical protein kinase C |
| APLF | Aprataxin and PNK-like factor |
| APTX | Aprataxin |
| ATM | Ataxia telangiectasia mutated |
| ATR | Ataxia telangiectasia and Rad3-related protein |
| ATRIP | ATR-interacting protein |
| BAK | Bcl-2 homologous antagonist/killer |
| BAX | Apoptosis regulator BAX |
| BCL2 | Apoptosis regulator BCL2 |
| BER | Base excision repair |
| BIRC3 | Baculoviral IAP repeat-containing protein 3 |
| BLM | Bloom syndrome protein |
| BRCA1 | Breast cancer type 1 susceptibility protein |
| BSC | Basal cell carcinoma |
| BTG1 | BTG anti-proliferation factor 1 |
| CAF-1 | Chromatin assembly factor 1 |
| CAT | Catalase |
| CCNG1 | Cyclin G1 |
| CDC25A/C | M-phase inducer phosphatases |
| CDKs | Cyclin dependent kinases |
| CDT1 | DNA replication factor Cdt1 |
| CENT2 | Centrin 2 |
| CHK1/2 | Serine/threonine-protein kinase CHK1/2 |
| Cho | Excinuclease Cho |
| COFS | Cerebro-oculo-facioskeletal syndrome |
| COP9 | Constitutive photomorphogenesis 9 |
| CPDs | Cyclobutane-pyrimidine dimers |
| CS | Cockayne syndrome |
| CSA/B | Cockayne syndrome protein A/B |
| CSN | Constitutive photomorphogenesis 9 (COP9) signalosome |
| CtlP | CtBP-interacting protein |
| DDB2 | Damaged DNA-binding protein 2 |
| DDR | DNA damage response |
| DDR1 | Epithelial discoidin domain-containing receptor 1 |
| DGPY | 4,6-diamino-5-guanidinopyrimidine |
| DNA2 | DNA replication ATP-dependent helicase/nuclease DNA2 |
| DNA-PKcs | DNA-dependent protein kinase catalytic subunit |
| DP1 | Transcription factor Dp-1 |
| DR | Direct reversal of damage |
| dRP | 5’ deoxyribosephosphate |
| DSBR | Double strand break repair |
| DSBs | Double strand breaks |
| DUSP5 | Dual specificity protein phosphatase 5 |
| EGFR | Epidermal growth factor receptor |
| ERKs | Extracellular signal-regulated kinases |
| EXO1 | Exonuclease 1 |
| FACT | Facilitates chromatin transcription |
| FADH | Reduced flavin adenine dinucleotide |
| FEN-1 | Flap endonuclease 1 |
| GADD45 | Growth arrest and DNA damage-inducible protein GADD45 alpha |
| GG-NER | Global genomic NER |
| GPX | Glutathione peroxidase |
| GR | Glutathione reductase |
| HIRA | Histone regulator A |
| HMGN1 | High mobility group nucleosome−binding domain−containing protein 1 |
| HR | Homologous recombination |
| IER3 | Radiation-inducible immediate-early gene IEX-1 |
| INO80 | Chromatin-remodeling ATPase |
| JNKs | C-Jun NH2-terminal kinases |
| KAP1 | Nuclear corepressor KAP-1 |
| KU70/80 | X-ray repair cross-complementing protein 5/6 |
| MAPK | Mitogen-activated protein kinase |
| MCM6 | Minichromosome maintenance complex component 6 |
| MCM7 | DNA replication licensing factor 7 |
| MDC1 | Mediator of DNA damage checkpoint protein 1 |
| MDM2 | E3 ubiquitin-protein ligase MDM2 |
| MM | Malignant melanoma |
| MMEJ | Microhomology-mediated end-joining |
| MRN | MRE11-RAD50-NBS1 complexes |
| mtDNA | Mitochondrial DNA |
| MTHF | 5,10-methyl tetrahydrofolate |
| NAD+ | Nicotinamide adenine dinucleotide |
| NBS1 | Nibrin |
| NER | Nucleotide excision repair |
| NFAT | Nuclear factor of activated T cells |
| NFκB | Nuclear factor kappa B |
| NHEJ | Non-homologous end joining |
| NOLC1 | Nucleolar and coiled-body phosphoprotein 1 |
| ODC | Ornithine decarboxylase |
| P21 | Cyclin-dependent kinase inhibitor 1A |
| PAR | Poly-ADP-ribose |
| PARG | Poly (ADP-ribose) glycohydrolase |
| PARPs | Poly [ADP-ribose] polymerases |
| PCNA | Proliferating cell nuclear antigen |
| PEA15 | Astrocytic Phosphoprotein PEA-15 |
| PI3K | Phosphoinositide 3-kinase |
| Pol | Polymerase |
| POLE3 | DNA polymerase epsilon subunit 3 |
| pRB | Retinoblastoma-associated protein |
| PTMA | Prothymosin alpha |
| PUMA | Bcl-2-binding component 3 |
| RBX | Ubiquitin-protein ligase RBX1 |
| RAD23B | UV excision repair protein RAD23 homolog B |
| RAD51 | DNA repair protein RAD51 |
| RAD9-RAD1-HUS1 | Cell cycle checkpoint control protein complex |
| RARRES | Retinoic acid receptor responder 1 |
| RecA | Recombinase A |
| RFC | Replication factor C |
| RNAPII | RNA polymerase II |
| RNF8/20/40/168 | E3 ubiquitin-protein ligases RNF8/20/40/168 |
| ROS | Reactive oxygen species |
| RPA | Replication protein A |
| RUNX3 | RUNX family transcription factor 3 |
| S100A11 | S100 calcium binding protein A11 |
| SCC | Squamous cell carcinoma |
| SOD | Superoxide dismutase |
| SRM | Spermidine synthase |
| SSBR | Single strand break repair |
| SSBs | Single strand breaks |
| ssDNA | Single strand DNA |
| STATs | Signal transducers and activators of transcription |
| SWI/SNF | Chromatin remodeling complexes |
| TAX1BP1 | Tax1-binding protein 1 |
| TC-NER | Transcription-coupled NER |
| TDP-1 | Tyrosyl-DNA phosphodiesterase 1 |
| TF | Transcription factor |
| TFIIH | Transcription factor II |
| TLS | Translesion synthesis |
| TNF-α | Tumor necrosis factor α |
| TOB1 | Transducer of erbB-2 1 |
| TOPBP1 | DNA topoisomerase 2-binding protein 1 |
| TP53 | Cellular tumor antigen p53 |
| TRAF1 | TNF receptor-associated factor 1 |
| TRCF | Transcriptional-repair coupling factor |
| TRX | Thioredoxin reductase |
| TTD | Trichothiodystrophy |
| USP7 | Ubiquitin−specific−processing protease 7 |
| TTDA | General transcription factor 2H subunit 5 |
| TTDN1 | Trichothiodystrophy non-phothosensitive 1 |
| UVDE | UV damage endonuclease |
| UVER/UVDR | UVDE-mediated excision repair |
| UvrA/B/C | UvrABC system protein |
| UV-SS | UV-sensitive syndrome |
| WRN | Werner syndrome ATP-dependent helicase |
| XAB2 | XPA−binding protein 2 |
| XLF | Cernunos |
| XP | Xeroderma pigmentosum |
| XPC | Xeroderma pigmentosum group C |
| XRCC1/4 | X-ray repair cross-complementing protein 1/4 |