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Sotalol hydrochloride

CAS No. : 959-24-0

MCE 站：Sotalol hydrochloride

产品活性：Sotalol hydrochloride (MJ 1999) 是一种非选择性竞争性β-肾上腺素能受体拮抗剂，它还通过抑制钾通道而表现出 III 类抗心律不齐的特性。

研究领域：GPCR/G Protein  |  Neuronal Signaling  |  Membrane Transporter/Ion Channel

作用靶点：Adrenergic Receptor  |  Potassium Channel

In Vitro: Sotalol hydrochloride (MJ 1999) is an adrenergic β-antagonist that is used in the treatment of life-threatening arrhythmias. Sotalol hydrochloride is a competitive beta adrenoceptor antagonist devoid of membrane-stabilizing activity and intrinsic sympathomimetic activity that has no preferential actions on beta 1 or beta 2 responses. Sotalol hydrochloride causes concentration-dependent increases in the contractility of isolated ventricular tissue that is not blocked by previous beta or alpha blockade or catecholamine depletion. Sotalol hydrochloride consistently reduces the heart rate to a greater degree than propranolol and causes significantly less cardiac suppression than propranolol at a given heart rate.
Sotalol hydrochloride is not only a beta blocker but a class III antiarrhythmic drug. Its possible antifibrillatory activity was therefore investigated in both the ventricles and atria of dog heart in situ, since vulnerability to fibrillation is not the same in both these parts of the myocardium.

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