| ALI | air–liquid interface |
| ARE | antioxidant response element |
| CS | cigarette smoke |
| EC50 | dose decreasing to 50% cell viability |
| e-cig | electronic cigarettes |
| HTP | heated tobacco products |
| Mb-18W | Modbox e-cig model set at 18 W |
| Mb-30W | Modbox e-cig model set at 30 W |
| Nrf2 | Nuclear factor erythroid 2-related factor 2 |
| PAHs | polycyclic aromatic hydrocarbons |
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