| AANAT | Aralkylamine N-acetyltransferase |
| ABC | ATP-binding cassette transporter |
| ACTH | Adrenocorticotropic hormone |
| AD | Autosomal dominant |
| Akt | Protein kinase B |
| APC | Adenomatous polyposis coli |
| AR | Autosomal recessive |
| ATP | Adenosine triphosphate |
| Bcl2 | B-cell lymphoma 2 |
| Bcl-xL | B-cell lymphoma-extra large |
| BLM | Bloom syndrome protein |
| BMI | Body mass index |
| CDK2/4 | Cyclin-dependant kinase 2/4 |
| CDKN2A | Cyclin-dependant kinase inhibitor 2A |
| cGMP | Guanosine 3′,5′-cyclic monophosphate |
| CIC | Capicua transcriptional repressor |
| circRNA | Circular RNA |
| CK1 | Casein kinase 1 |
| c-Myc | Cellular myc |
| Co-F | Co-factor |
| COX | Cyclooxygenase |
| CREB | cAMP-response element binding protein |
| CSC | Cancer stem cell |
| CTGF | Connective tissue growth factor |
| DNMT | DNA methyltransferase |
| Dvl | Dishevelled protein |
| ECV | Extracellular vesicles |
| EGF | Epidermal growth factor |
| EMT | Epithelial–mesenchymal transition |
| ERK | Extracellular signal-regulated kinase |
| FGF | Fibroblast growth factor |
| GnRH | Gonadotropin hormone-releasing hormone |
| GSK-3β | Glycogen synthase kinase 3β |
| HIF-1α | Hypoxia-inducible factor 1 subunit alpha |
| HPβCD | 2-Hydroxypropyl-beta-cyclodextrin. |
| IGF | Insulin growth factor |
| IL-2/6/12/34 | Interleukin |
| INFγ | Interferon gamma |
| INK4A | CDK inhibitors superfamily |
| INOS | Inducible nitric oxide synthase |
| IP3 | Inositol trisphosphate |
| JNK | Jun N-terminal kinase |
| Kif7 | Kinesin family member 7 |
| LA | Linoleic acid |
| LH | Luteinizing hormone |
| lncRNA | Long non-coding RNA |
| MAPK | Mitogen-activated protein kinase |
| M-CSF | Macrophage colony-stimulating factor |
| MCT1/4 | Monocarboxylate transporter 1/4 |
| MDM2 | Murine double minute 2 |
| MDR | Multidrug resistance |
| MeCP2 | Methyl CpG binding protein 2 |
| miR | MicroRNA |
| MMP-9 | Matrix metallopeptidase-9 |
| MSC | Mesenchymal stem cell |
| MT1 | Melatonin receptor 1 |
| MT2 | Melatonin receptor 2 |
| mTOR | Mechanistic (formerly “mammalian”) target of rapamycin |
| NCID | NOTCH intracellular domain |
| NF-κB | Nuclear factor kappa B |
| NOS | Nitric oxide synthases |
| OPG | Osteoprotegerin |
| OS | Osteosarcoma |
| OS-CSC | Osteosarcoma–cancer stem cell |
| OXPHOS | Oxidative phosphorylation |
| PDK | Pyruvate dehydrogenase kinase |
| PEDF | Pigment epithelium-derived factor |
| PGE2 | Prostaglandin E2 |
| P-gp | P-glycoprotein |
| PI3K | Phosphoinositide 3 kinase |
| PKC | Protein kinase C |
| PKG | Protein kinase G |
| PTEN | Phosphotase and tensin homolog |
| PTH | Parathyroid hormone |
| PTHR | Parathyroid hormone receptor |
| PTH-rp | Parathyroid-related peptide |
| RANKL | Receptor activator of nuclear factor kappa beta |
| Rb1 | Retinoblastoma 1 |
| RCT | Randomized clinical trial |
| RecQ | Recombination Q helicases |
| Rh0/ROCK | Rho-associated protein kinase |
| RNA | Ribonucleic acid |
| ROR | Retinoic acid receptor-related orphan receptor |
| ROS | Reactive oxygen species |
| R-SMAD | Receptor-regulated Smad |
| RUNX2 | Runt-related transcription factor 2 |
| SIRT3 | Sirtuin 3 |
| SMAD | Suppressor of mothers against decapentaplegic |
| SOD2 | Superoxide dismutase 2 |
| SOX5 | S RY-Box transcription factor 5 |
| STAT | Signal transducers and activators of transcription |
| SUFU | Suppressor of fused homolog |
| TCA | Tricarboxylic acid cycle |
| TCF/LEF | T-cell factor/lymphoid enhancer factor |
| TET | Ten-eleven translocation |
| TF | Transcription factor |
| TGF | Transforming growth factor |
| TGFβ | Transforming growth factor beta |
| TNFα | Tumor necrosis factor alpha |
| TP53 | Tumor protein p53 |
| TSC 1/2 | Tuberous sclerosis 1/2 |
| VEGF | Vascular endothelial growth factor |
| Wnt | Wingless/Integrated |
| WWOX | WW domain-containing oxidoreductase |