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The Sound of Evolution
Levalbuterol
Mechanism of action:
Levalbuterol is a short-acting β2-adrenergic agonist. After activating β2 receptors, levalbuterol stimulates adenylyl cyclase, increasing intracellular cAMP concentration and subsequently activating protein kinase A. This then inhibits myosin light-chain kinase activity, weakens smooth muscle contraction, and leads to bronchodilation.
Reference(s):
Boulton DW et al. (2001). The pharmacokinetics of levosalbutamol: what are the clinical implications? Clin Pharmacokinet.
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