40172-65-4

SKA-31 (40172-65-4) is a KCa3.1 and KCa2 potassium channel activator (EC50 =260, 2900, 2900 nM for KCa3.1, KCa2.1 and KCa2.2 respectively). Enhanced acetylcholine-induced EDHF dilator response in mouse carotid arteries and lowers blood pressure in mouse models at 30 mg/Kg.1,2 Evokes robust vasodilation in rat mesenteric arteries.3

Activator of K Ca 3.1 and K Ca 2 channels (EC 50 values are 260, 2900, 2900 nM for K Ca 3.1, K Ca 2.1 and K Ca 2.2 respectively). Potentiates acetylcholine-induced EDHF-type dilations of mouse carotid arteries and lowers blood pressure in normotensive and hypertensive mice.

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Sankaranaravanan et al. (2009), Naphtho[1,2-d]thiazol-2-ylamine (SKA-31), a new activator of KCa2 and KCa3.1 potassium channels, potentiates the endothelium-derived hyperpolarizing factor response and lowers blood pressure; Mol. Pharmacol., 75 281 Brahler et al. (2009), Genetic deficit of SK3 and IK1 channels disrupts the endothelium-derived hyperpolarizing factor vasodilator and causes hypertension ; Circulation, 119 2323 Khaddaj-Mallat al. (2018), SKA-31, an activator of endothelial Ca2+-activated K+ channels evokes robust vasodilation in rat mesenteric arteries; Eur. J. Pharmacol., 831 60