| AdoMet | S-adenosylmethionine |
| HNSCC | head and neck squamous cell carcinoma |
| HNC | head and neck cancer |
| 5-azaCdR | 5-deoxy-azacytidine |
| uPa | urokinase-type plasminogen activator |
| MMP2 | matrix metalloproteinase-2 |
| Doxo | doxorubicin |
| PL | piperlongumine |
| cDDP | cisplatin |
| TQ | thymoquinone |
| EMT | epithelial to mesenchymal transition |