| ACh | acetylcholine |
| ASM | airway smooth muscle cells |
| ATF6 | activating transcription factor 6 |
| Drp1 | dynamin-related protein-1 |
| IRE1α | inositol-requiring enzyme 1 |
| MCU | mitochondrial Ca2+ uniporter |
| Mfn2 | mitofusin-2 |
| rMLC20 | regulatory myosin light chain |
| MLCK | myosin light chain kinase |
| mtUPR | mitochondrial unfolded protein response |
| MyHC | myosin heavy chain |
| PERK | protein kinase RNA-like ER kinase |
| PGC1α | peroxisome proliferator-activated receptor-gamma coactivator 1 alpha |
| PINK1 | PTEN-induced putative kinase 1 |
| ROS | reactive oxygen species |
| XBP1 | X-box protein 1 |