| AT2 | Alveolar type 2 |
| SP | Surfactant-associated protein |
| AT1 | Alveolar type 1 |
| HIF | Hypoxia-induced factor |
| EGF | Epidermal growth factor |
| EGFR | Epidermal growth factor receptor |
| PFA | Paraformaldehyde |
| PBS | Phosphate-buffered saline |
| DAPI | 4′,6-diamidino-2-phenylindole |
| qPCR | Quantitative Real-Time PCR |
| TEM | Transmission electron microscopy |
| CCK-8 | Cell Counting Kit-8 |
| SEM | Standard error of the mean |
| ANOVA | Analysis of variance |
| H&E | Hematoxylin and eosin |
| KGF | Keratinocyte growth factor |
| HGF | Hepatocyte growth factor |
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