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Pathway Description
Sotalol Action Pathway
Homo sapiens
Drug Action Pathway
Sotalol is a beta-adrenergic receptor antagonist, which is a treatment regimen for heart failure such as abnormal heart rhythms. Sotalol inhibits response to adrenergic stimuli by competitively blocking β1-adrenergic receptors within the myocardium and β2-adrenergic receptors within bronchial and vascular smooth muscle. The electrophysiologic effects of sotalol may be due to its selective inhibition of the rapidly activating component of the potassium channel involved in the repolarization of cardiac cells.
References
Sotalol Pathway References
Waldo AL, Camm AJ, deRuyter H, Friedman PL, MacNeil DJ, Pauls JF, Pitt B, Pratt CM, Schwartz PJ, Veltri EP: Effect of d-sotalol on mortality in patients with left ventricular dysfunction after recent and remote myocardial infarction. The SWORD Investigators. Survival With Oral d-Sotalol. Lancet. 1996 Jul 6;348(9019):7-12.
Pubmed: 8691967
Lowe MD, Lynham JA, Grace AA, Kaumann AJ: Comparison of the affinity of beta-blockers for two states of the beta 1-adrenoceptor in ferret ventricular myocardium. Br J Pharmacol. 2002 Jan;135(2):451-61. doi: 10.1038/sj.bjp.0704450.
Pubmed: 11815381
Joseph SS, Lynham JA, Colledge WH, Kaumann AJ: Binding of (-)-[3H]-CGP12177 at two sites in recombinant human beta 1-adrenoceptors and interaction with beta-blockers. Naunyn Schmiedebergs Arch Pharmacol. 2004 May;369(5):525-32. doi: 10.1007/s00210-004-0884-y. Epub 2004 Apr 2.
Pubmed: 15060759
Yancy CW, Laskar S, Eichhorn E: The use of beta-adrenergic receptor antagonists in the treatment of African Americans with heart failure. Congest Heart Fail. 2004 Jan-Feb;10(1):34-7.
Pubmed: 14872156
Striated Muscle Contraction References
Cooke R: The sliding filament model: 1972-2004. J Gen Physiol. 2004 Jun;123(6):643-56. doi: 10.1085/jgp.200409089.
Pubmed: 15173218
Szent-Gyorgyi A: The mechanism of muscle contraction. Proc Natl Acad Sci U S A. 1974 Sep;71(9):3343-4.
Pubmed: 4610574
Kuo IY, Ehrlich BE: Signaling in muscle contraction. Cold Spring Harb Perspect Biol. 2015 Feb 2;7(2):a006023. doi: 10.1101/cshperspect.a006023.
Pubmed: 25646377
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