VASOACTIVE INTESTINAL PEPTIDE CAS NO.40077-57-4

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vasoactive intestinal peptide, also known as the vasoactive intestinal polypeptide or vip, is a peptide hormonethat is vasoactive. vip is a neuropeptide of 28 amino acid residues that belongs to a glucagon/secretin superfamily, the ligand of class ii g protein–coupled receptors.vip is produced in many tissues ofvertebrates including the gut, pancreas, andsuprachiasmatic nuclei of the hypothalamusin the brain.vip stimulatescontractility in the heart, causesvasodilation, increases glycogenolysis, lowers arterial blood pressure and relaxes the smooth muscle of trachea, stomach andgall bladder. in humans, the vasoactive intestinal peptide is encoded by the vipgene.