AbstractInhaled β2-adrenoceptor (β2-AR) agonists are considered essential bronchodilator drugs in the treatment of bronchial asthma, both as symptoms-relievers and, in combination with inhaled corticosteroids, as disease-controllers. In this article, we first review the basic mechanisms by which the β2-adrenergic system contributes to the control of airway smooth muscle tone. Then, we go on describing the structural characteristics of β2-AR and the molecular basis of G-protein-coupled receptor signaling and mechanisms of its desensitization/ dysfunction. In particular, phosphorylation mediated by protein kinase A and β-adrenergic receptor kinase are examined in detail. Finally, we discuss the pivotal role of inhaled β2-AR agonists in the treatment of asthma and the concerns about their safety that have been recently raised. View Full-Text
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Barisione, G.; Baroffio, M.; Crimi, E.; Brusasco, V. Beta-Adrenergic Agonists. Pharmaceuticals 2010, 3, 1016-1044.
Barisione G, Baroffio M, Crimi E, Brusasco V. Beta-Adrenergic Agonists. Pharmaceuticals. 2010; 3(4):1016-1044.Chicago/Turabian Style
Barisione, Giovanni; Baroffio, Michele; Crimi, Emanuele; Brusasco, Vito. 2010. "Beta-Adrenergic Agonists." Pharmaceuticals 3, no. 4: 1016-1044.