| FcRn | neonatal Fc receptor |
| HNEC | Human Nasal Epithelial Cells |
| NP | Nasal polyps |
| CRSwNP | Chronic rhinosinusitis with nasal polyps |
| mAbs | Monoclonal antibodies |
| ALI | air–liquid interface |
| TEER | Transepithelial electrical resistance |
| β2m | β2-microglobulin |
| PBS++ | PBS supplemented with 0.49mM MgCl2 and 0.9mM CaCl2 |