Gonyautoxin III (GTX-III) 是一种麻痹性贝类毒素,能够在轴突水平阻断电压门控钠通道 (voltage-gated sodium channels),其IC50值为14.9 nM,从而阻碍神经冲动的传导。Gonyautoxin III 对小鼠神经母细胞瘤细胞表现出杀伤活性,并可用于癌症和神经系统疾病的研究。
PF-06807656 is insensitive to the introduction of the N171D mutation in the ROMK conduction pore that greatly diminishes the activity of other small-molecule inhibitors. PF-06807656 is an effective ROMK inhibitor (Tl+ flux IC50 = 160 nM).
Stilbamidine dihydrochloride is a blocker of neuromuscular transmission and axonal conduction used to study the distribution of the drug in the organs and tissues of rats following intravenous injection.
CVT-2759 is A potential partial agonist for A(1)-ADORs, and it may be useful to slow atrioventricular node conduction to reduce ventricular rate without causing the atrioventricular block, bradycardia, atrial arrhythmias, or vasodilation.
Mesotrin is a calcium antagonist that influences atrial and ventricular conduction, but has been linked with side effects of euphoria, ventigo and heavyheadedness.
Hexylcaine HCl also called cyclaine or osmocaine, is a short-acting local anesthetic. It acts by inhibiting sodium channel conduction. Overdose can lead to headache, tinnitus, numbness and tingling around the mouth and tongue, convulsions, inability to breathe, and decreased heart function.
Adaprolol maleate is a beta-blocker and opthalmic which may be used in the treatment of Glaucoma or other ailments of the eye. Adaprolol has marked electrophysiologic effects. Its major action was on sinus node; it prolonged the basic sinus cycle length and had significant effect on intrinsic automaticity as reflected by the prolonged corrected sinus node recovery time and sinuatrial conduction time. There was, also, direct effect on atrial function and AV nodal function. Adaprolol prolonged the effective refractory period of the His-Purkinje system and the ventricle. The potency of adaprolol's electrophysiologic effects are higher compared to other widely used beta-blockers. Adaprolol appears to be a potent beta-blocker with particularly strong antiarrhythmic effect and it would be very useful in the treatment of both supraventricular and ventricular tachyarrhythmias and ectopic beats.