| OS | Osteosarcoma |
| EMT | Epithelial–Mesenchymal Transition |
| TGF-β | Transforming Growth Factor-beta |
| RTK | Receptor Tyrosine Kinase |
| MAPK | Mitogen-Activated Protein Kinase |
| PI3K | Phosphoinositide 3-Kinase |
| AKT | Protein Kinase B |
| mTOR | Mechanistic Target of Rapamycin |
| miRNA | MicroRNA |
| lncRNA | Long Non-Coding RNA |
| circRNA | Circular RNA |
| ceRNA | Competing Endogenous RNA |
| TF | Transcription Factor |
| ncRNA | Non-Coding RNA |