Cyclic ADP-ribose (cADPR) is an effective calcium mobilization second messenger, which is synthesized from NAD + by ADP-ribosyl cyclase. Cyclic ADP-ribose mainly increases cytosolic calcium through Ryanodine receptor-mediated endoplasmic reticulum release
Selective and competitive urotensin-II (UT) receptor antagonist (pKB = 8.3). Blocks hU-II induced contractions in thoracic aorta ex vivo. Exhibits no effect on noradrenaline or endothelin 1-induced contraction or on acetylcholine-induced relaxation. Behav