| CF | Cystic Fibrosis |
| CFTR | CF transmembrane conductance regulator |
| NE | Neutrophil elastase |
| IL | Interleukin |
| TNFα | Tumour necrosis factor α |
| Pa | Pseudomonas aeruginosa |
| VEGF | Vascular endothelial growth factor |
| BAL | Bronchoalveolar lavage |
| NL | Nasal lavage |
| MBW | Multiple breath washout |
| MD-CT | Multi-detector computed tomography |
| ppFEV1 | Percent predicted forced expiratory volume in one second |
| ppFVC | Percent predicted forced vital capacity |
| LCI | Lung clearance index |
| DTT | Dithiolthreitol |
| Ig | Immunoglobulin |