| CAFs | Cancer-associated fibroblasts |
| CagA | Cytotoxin-associated gene A |
| CagPAI | Cag pathogenicity island |
| CCL | Chemokine ligand |
| COX | Cyclooxygenase |
| CXCR4 | Chemokine receptor 4 |
| CXCL | (C-X-C motif) ligand |
| EMT | Epithelial-mesenchymal transition |
| EBV | Epstein-Barr virus |
| FGF | Fibroblast growth factor |
| H. pylori | Helicobacter pylori |
| HGF | Hepatocyte growth factor |
| HIF1a | Hypoxia-inducible factor 1a |
| IFN-Γ | Interferon gamma |
| IL | Interleukin |
| JAK | Janus kinase |
| MDSCs | Myeloid-derived suppressor cells |
| MMPs | Matrix metalloproteinases |
| MSCs | Mesenchymal stem cells |
| NF-kB | Nuclear factor-kB |
| NK | Natural killer |
| PGE | Prostaglandin E |
| PDGF | Platelet-derived growth factor |
| ROS | Reactive oxygen species |
| SDF | Stromal-derived-factor |
| SPEM | Spasmolytic polypeptide-expressing metaplasia |
| STAT3 | Signal transducer and activator of transcription 3 |
| TAMs | Tumor-associated macrophages |
| TGF-β | Transforming growth factor-beta |
| TLR | Toll-like receptor |
| TME | Tumor micro-environment |
| TNF-α | Tumor necrosis factor-alpha |
| VacA | Vacuolating cytotoxin A |
| VEGF | Vascular endothelial growth factors |