Figure 4From: The expression and relaxant effect of bitter taste receptors in human bronchiRepresentative relaxant profile obtained after application of increasing concentrations of the bitter taste receptor agonist chloroquine in histamine-pre-contracted human bronchi. Importantly, introduction of 3Â mM acetylcholine (ACh) into organ bath at the end of the experiment showed that bronchial function was still present after exposure to TAS2R agonists and a wash-out step. BL: baseline.Back to article page