| ACN | Acetonitrile |
| cDNA | Complementary DNA |
| CRC | Cisplatin-resistant ovarian cancer cells |
| CSC | Cisplatin-sensitive ovarian cancer cells |
| DEG | Differentially expressed gene |
| DMSO | Dimethyl sulphoxide |
| DNMTs | DNA methyltransferases |
| GAPDH | Glyceraldehyde 3-phosphate dehydrogenase |
| HDACs | Histone decaetylases |
| HPLC | High-performance liquid chromatography |
| H3K4me1/2 | Mono- and dimethyl-lysine 4 of histone H3 |
| ICL | Inter-strand crosslinks |
| LSD1/KDM1A | Lysine-specific demethylase 1 |
| MOD | Methanol extract of OD |
| MTT | 3-[4,5-dimethylthiazol-2-yl]-2,5-diphenyltetrazoliumbromide |
| PBS | Phosphate-buffered saline |
| PI | Propidium iodide |
| OA | Oleanolic acid |
| OD | Oldenlandia diffusa |
| SNM1B/DCLRE1B | DNA cross-link repair 1B |
| UA | Ursolic acid |
| WOD | Water extract of OD |