The dopamine D1 receptor is expressed and facilitates relaxation in airway smooth muscle

 

Dopamine signaling is mediated by Gs protein-coupled “D1-like”receptors (D1 and D5) and Gi-coupled “D2-like”receptors (D2-4). In asthmatic patients, inhaled dopamine induces bronchodilation.
Although the Gi-coupled dopamine D2 receptor is expressed and sensitizes…
The dopamine D1 receptor is expressed and facilitates relaxation in airway smooth muscle

 

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