Article
Pharmacogenomics of β-adrenergic receptor physiology and response to β-blockade.
Anesthesia and analgesia - 1 Dec 2011
von Homeyer Peter, Schwinn Debra A
Abstract excerpt
Myocardial β-adrenergic receptors (βARs) are important in altering heart rate, inotropic state, and myocardial relaxation (lusitropy). The β1AR and β2AR stimulation increases cyclic adenosine monophosphate concentration with the net result of myocyte contraction, whereas β3AR stimulation results in decreased inotropy. Downregulation of β1ARs in heart failure, as well as an increased β3AR activity and density,...
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