| ALDH1 | Aldehyde dehydrogenase 1 |
| CSCs | Cancer stem cells |
| DMSO | Dimethyl sulfoxide |
| hCSCs | HeLa cervical cancer stem cells |
| MDR | Multi-drug resistance |
| NOD/SCID | Non-obese diabetic, severe combined immunodeficient |
| PEITC | Phenethyl isothiocyanate |
| ROS | Reactive oxygen species |