| ACh | acetylcholine |
| AHR | airway hyperresponsiveness |
| ANOVA | analysis of variance |
| BAL | bronchoalveolar lavage |
| BSM | bronchial smooth muscle |
| COX | cyclooxygenase |
| CRTH2 | chemoattractant receptor-homologous molecule on Th2 cells |
| ERK | extracellular signal-regulated kinase |
| F Ca | normalized ratios of the Ca2+ fluorescence intensities |
| F/F0 | ratio of the Ca2+ fluorescence intensity to that at time 0 (baseline) |
| Fluo-8/AM | Fluo-8 acetoxymethyl ester |
| GPCR | G protein-coupled receptor |
| GST | glutathione S-transferase |
| GTP | guanosine triphosphate |
| PG | prostaglandin |
| SDS | sodium dodecyl sulfate |
| TXA2 | thromboxane A2 |