| AAT | Alpha-1 anti-trypsin |
| AATD | Alpha-1 anti-trypsin deficiency |
| AIM2 | interferon-inducible protein |
| ALI | air–liquid interface |
| AMs | alveolar macrophages |
| Ant-21 | miR-21-specific antagomir |
| ASM | airway smooth muscle |
| BAL | bronchoalveolar lavage |
| BALF | bronchoalveolar lavage fluid |
| CF | cystic fibrosis |
| CG | Cathespin-G |
| COPD | chronic obstructive pulmonary disease |
| CS | cigarette smoke |
| CT | computer tomography |
| DAMPs | damage-associated molecular patterns |
| ECM | extracellular matrix |
| FEV1 | forced expiratory volume in one second |
| FVC | forced vital capacity |
| GM-CSF | granulocyte macrophage colony-stimulating factor |
| GOLD | global initiative for chronic obstructive lung disease |
| GTPase | guanosine triphosphatase |
| ICSs | inhaled corticosteroids |
| IFN-g | interferon-gamma |
| IL-13 | interleukin 13 |
| IL-22 | interleukin 22 |
| IL-4 | interleukin 4 |
| IPF | idiopathic pulmonary fibrosis |
| LABAs | long-acting beta-2 agonists |
| LAMAs | long-acting muscarinic agonists |
| LC-MS/MS | liquid chromatography with tandem mass spectrometry |
| LOXL2 | lysyl oxidase-like 2 |
| miR-21 | MicroRNA-21 |
| miR-328 | MicroRNA 328 |
| NE | neutrophil elastase |
| NK | natural killer |
| PKR | protein kinase R |
| PR3 | proteinase-3 |
| PRM | parametric response mapping |
| PTM | post-translational modification |
| QOL | quality of life |
| RHO | Ras homology family member |
| ROS | reactive oxygen species |
| SABA | short-acting beta-2 agonists |
| SAMA | short-acting muscarinic agonists |
| sRAGE | soluble receptor for advanced glycation end products |
| SSAO | semicarbazide-sensitive amine oxidase |
| TLR7 | Toll-like receptor 7 |
| TRAIL | tumor necrosis factor-related apoptosis-inducing ligand |