Verapamil lowered only the norepinephrine or urotensin II induced contraction during the existence of extracellular Ca2+, with little or no improve in the contraction in Ca2+-free buffer. The urotensin I induced rest response in aortic strips contracted by 40 mM KCl was enhanced by pretreatment with papaverine or forskolin. Pretreatment https://83930-33-0freebase46801.newsbloger.com/36874143/a-secret-weapon-for-urotensin-i-acetate-83930-33-0-free-base