| ATF3 | Activating transcription factor 3 |
| α-SMA | alpha-smooth muscle actin |
| AEC | alveolar epithelial cell |
| AT2 | alveolar type II cell |
| BER | base excision repair |
| Col1A2 | collagen-1A2 |
| ER | endoplasmic reticulum |
| H&E | hematoxylin and eosin |
| HLF | human lung fibroblasts |
| mtOgg1tg | human mitochondria-targeted OGG1 subunit 1-alpha transgene |
| IPF | idiopathic pulmonary fibrosis |
| IP | intra-peritoneal |
| IT | intra-tracheal |
| MCAT | mitochondrial catalase enforced-expression |
| mtDNA | Mitochondrial DNA |
| mtOGG1 | mitochondrial 8-oxoguanine-DNA glycosylase 1 |
| OGG1 | 8-oxyguanine DNA glycosylase |
| PINK1 | PTEN-induced putative kinase 1 |
| ROS | Reactive oxygen species |
| SPHK1 | sphingosine-kinase 1 |
| S1P | sphingosine-1-phosphate |
| S1PL | S1P lyase |
| TGFβ | transforming growth factor-beta |
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