| ALT | alternative lengthening of telomeres |
| APL | acute promyelocytic leukemia |
| B-NHEJ | backup non-homologous end-joining |
| BER | base excision repair |
| BIR | break-induced replication |
| BRCA1/2 HR | BRCA1/2-mediated homologous recombination |
| CML | chronic myeloid leukemia |
| CPC | cancer progenitor cell |
| D-NHEJ | DNA-PK-mediated non-homologous end-joining |
| DDR | DNA damage response |
| D-Loop | displacement loop |
| DSB | DNA double strand break |
| EOC | epithelial ovarian cancer |
| HR | homologous recombination |
| MMEJ | microhomology-mediated end-joining |
| NHEJ | non-homologous end-joining |
| PARP1i | poly(ADP-ribose) polymerase 1 inhibitor |
| RAD52 HR | RAD52-mediated homologous recombination |
| RAD52i | RAD52 inhibitor |
| SSA | single strand annealing |
| SSB | DNA single strand break |
| ssDNA | single stranded DNA |
| TA-HR | transcription-associated homologous recombination |
| TC-HR | transcription-coupled homologous recombination |
| TNBC | triple negative breast cancer |