There are multiple definitions:

1. airway hyperresponsiveness(English)

   • GSNOR, Mch, BAL, CE, OVA, PAR2
   • Pulmonology, Asthma, Allergy, Respiratory system
   • https://doi.org…aci.2006.07.012
   • https://doi.org….1111/cea.12628

2. aryl hydrocarbon receptor(English)

   • a ligand-activated transcription factor and a substrate protein of a Cullin 4B E3 ligase complex responsible for diverse cellular processes
   • CMA, LAMP-2, AAA, ADR, BA, FXR, GPR41, MAPK, OLFR78, PAG, PERK, Phe, PXR, SCFA, TGR5, TMA, TMAO, Trp, Tyr
   • Receptors, Transcription, Microbiome
   • https://doi.org…0/ijms242015116
   • https://doi.org…NAHA.123.067547