| Abbreviation | Definitions |
| CS | cigarette smoke |
| ROS | reactive oxygen species |
| COPD | chronic obstructive pulmonary disease |
| PF | pulmonary fibrosis |
| WHO | World Health Organization |
| FCTC | Framework Convention on Tobacco Control |
| NOX | NADPH oxidase |
| NETs | neutrophil extracellular traps |
| DAMP | damage-associated molecular patterns |
| RAGE | receptor for advanced glycation end products |
| HMGB1 | high mobility group box 1 |
| sRAGE | soluble form RAGE |
| mRAGE | membrane-bound form RAGE |
| TLRs | toll-like receptors |
| H1R | histamine receptor-1 |
| COX2 | cyclooxygenase2 |
| MAPK | mitogen-activated protein kinase |
| NF-κB | nuclear factor kappa-light chain-enhancer of activated B cells |
| IKK | IκB kinase |
| ERK1/2 | extracellular signal-regulated kinases |
| JNK1/2 | c-Jun N-terminal Kinase |
| STAT | signal transducer and activator of transcription |
| IRF9 | interferon regulatory factor 9 |
| CBP | CREB-binding protein |
| CSE | cigarette smoke extract |
| BAL | bronchoalveolar lavage |
| BCL-2 | B-cell lymphoma 2 |
| TP53 | tumor protein p53 |
| IAPs | inhibitor of apoptosis proteins |
| TSSK4 | testis-specific serine/threonine kinase 4 |
| NQO1 | NAD(P)H dehydrogenase [quinone] 1 |
| AKR1C3 | aldo-keto reductase family 1 member C3 |
| GPX2 | glutathione peroxidase 2 |
| ILD | interstitial lung disease |
| MMPs | matrix metalloproteinases |
| SIRT1 | sirtuin-1 |
| SASP | senescence-associated secretory phenotype |
| OSGIN | oxidative stress-induced growth inhibitor |
| Nrf2 | nuclear factor erythroid 2-related factor |
| Keap1 | Kelch-like ECH-associated protein 1 |
| ARE | antioxidant response elements |
| HO1 | heme oxygenase 1 |
| GST | glutathione S-transferase |
| FEV1 | forced expiratory volume |
| SOD1 | superoxide dismutase type 1 |
| TXNRD1 | thioredoxin reductase 1 |
| GOLD | Global Initiative for Obstructive Lung Disease |
| HUC-MSC | Human umbilical cord mesenchymal system cell |
| LPHNPs | lipid-polymer hybrid nanoparticles |
| EMT | epithelial-mesenchymal transition |
| SNPs | single nucleotide polymorphisms |
| CYP1A1 | cytochrome P450 Family 1 Subfamily A Member 1 |
| CYP1B1 | cytochrome P450 Family 1 Subfamily B Member 1 |
| CCL18 | chemokine (C-C motif) ligand 18 |
| CXCR3 | chemokine (C-X-C motif) receptor 3 |
| TIMPs | tissue inhibitors of metalloproteinases |
| miRNAs | microRNAs |
| PDE4B | phosphodiesterase 4B |
| iNOS | inducible nitric oxide synthase |
| HIF | hypoxia-inducible factor |
| NSCLC | non-small-cell lung cancer |
| mAbs | monoclonal antibodies |
| MSCs | mesenchymal stem cells |
| PAHs | polycyclic aromatic hydrocarbons |
| ARDS | acute respiratory distress syndrome |
| NE | neutrophil elastase |
| ACE2 | angiotensin-converting enzyme 2 |
| TMPRSS2/4 | transmembrane protease, serine 2 and 4 |
| ICAM-1 | Intercellular adhesion molecule 1 |
| AE-COPD | acute exacerbations of chronic obstructive pulmonary disease |
| FVC | forced vital capacity |
| CVD | cardiovascular disease |
| GMP | guanosine monophosphate |
| eNOS | endothelial NOS |
| NLR | NOD-like receptor |
| NLRP3 | NLR family pyrin domain containing 3 |
| sVCAM-1 | soluble vascular cell adhesion molecule 1 |
| LDL | low-density lipoprotein |
| oxLDL | oxidized LDLs |
| LOX-1 | lectin-like oxidized LDL receptor-1 |