纈霉素(50毫克)產品是A highly selective K?- ionophore. It binds potassium ions (K?) and facilitates their transfer across lipid bilayers. Inhibits Ca2?-ATPase activity and promotes cell death by mitochondrial swelling and autophagic processes, but not apoptosis. Antagonizes endothelin-induced vasoconstriction (IC?? = 0.3 uM).