| CRS | Chronic rhinosinusitis |
| GPCRs | G protein-coupled receptors |
| AHLs | Acyl-homoserine lactones |
| PTC | Phenylthiocarbamide |
| QOL | Quality of life |
| PLCβ2 | Phosopholipase C isoform β2 |
| IP3 | Inositol 1,4,5-trisphosphate |
| Ca2+ | Calcium ions |
| TRPM5 | Transient receptor potential cation channel subfamily M member 5 |
| PROP | Propylthiouracil |
| SNPs | Single nucleotide polymorphisms |
| PAV | Proline-alanine-valine TAS2R38 haplotype (“tasters”) |
| AVI | Alanine-valine-isoleucine TAS2R38 haplotype (“non-tasters”) |
| ASL | Airway surface liquid |
| MCC | Mucociliary clearance |
| NO | Nitric oxide |
| AMPs | Antimicrobial peptides |
| CBF | Ciliary beat frequency |
| DB | Denatonium benzoate |
| SCCs | Solitary chemosensory cells |
| ALI | Air-liquid interface culture |
| C4HSL | N-butyryl-l-homoserine lactone |
| C12HSL | N-3-oxo-dodecanoyl-l-homoserine lactone |
| glc | Glucose |
| CF | Cystic fibrosis |
| SNOT-22 | Sinonasal outcome test |
| FESS | Functional endoscopic sinus surgery |
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