cis-[Ru(bpy)2(py)NO2](PF6) (RuBPY) is a ruthenium complex nitric oxide (NO) donor that presents a nitrite in its moiety and has been shown to induce vasodilation in various arteries, as well as arterial pressure reduction with no changes in heart rate. Because vascular tone is highly dependent on the cytosolic calcium concentration ([Ca 2+ ]c), the current study aimed to investigate the effects of RuBPY
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