| COPD | chronic obstructive pulmonary disease |
| CS | cigarette smoke |
| TRPV1 | transient receptor potential vanilloid 1 |
| ROS | reactive oxygen species |
| CYP2A13 | Cytochrome P450 Family 2 Subfamily A Member 13 |
| Lut | Luteolin |
| CSE | cigarette smoke exact |
| LPS | lipopolysaccharide |
| MDA | malondialdehyde |
| LDH | lactate dehydrogenase |
| SOD | superoxide dismutase |
| DCHF-DA | 2′,7′-dichlorodihydrofluorescein diacetate |
| Mito-Sox | mitochondrial ROS |
| Ca2+ | calcium ions |
| SIRT6 | Sirtuin 6 |
| NRF2 | nuclear factor E2-related factor 2 |
| PGC1α | peroxisome proliferator-activated receptor gamma coactivator-1α |
| MLI | mean linear intercept |
| DI | destructive index |
| CAT | catalase |
| GSH | glutathione |
| EGFR | epidermal growth factor receptor |
| MMP | matrix metalloproteinase |
| NOX4 | NADPH oxidas |
| NAD+ | nicotinamide adenine dinucleotide |
| NNK | nitrosamine ketone |
| H & E | hematoxylin and eosin |
| FBS | fetal bovine serum |
| DMSO | dimethyl sulfoxide |
| WB | Western blotting |
| ECL | enhanced chemiluminescence |