| hBD-2 | Human β-defensin 2 |
| HXR | Histamine HX receptor |
| OTSCC | Oral tongue squamous cell carcinoma |
| OLP | Oral lichen planus |
| HOKs | Human oral keratinocytes |
| MC | Mast cell |
| LPS | Lipopolysaccharides |
| LBP | Lipopolysaccharide-binding protein |
| MrgX2 | Mas-related gene X2 |
| FFPE | Formalin-fixed paraffin-embedded |