title: Vasoactive intestinal polypeptide promotes cyclic adenosine 3',5'-monophosphate accumulation in guinea-pig trachea.
abstract: Cyclic adenosine 3',5'-monophosphage (cyclic AMP) levels in guinea-pig tracheal rings increased on incubation with the vasoactive intestinal peptide (VIP). The effect was potentiated by the addition of theophylline. The results suggest that the tracheo-bronchial relaxant action of VIP may be mediated by stimulation of tracheal adenylyl cyclase.
mesh_terms: D000818:Animals; D000242:Cyclic AMP / Q000378:metabolism*; D004347:Drug Interactions; D005768:Gastrointestinal Hormones / Q000494:pharmacology*; D006168:Guinea Pigs; D066298:In Vitro Techniques; D007545:Isoproterenol / Q000494:pharmacology; D013268:Stimulation, Chemical; D013806:Theophylline / Q000494:pharmacology; D014132:Trachea / Q000187:drug effects / Q000378:metabolism*; D014660:Vasoactive Intestinal Peptide / Q000494:pharmacology*
chemical_list: D005768:Gastrointestinal Hormones; D014660:Vasoactive Intestinal Peptide; D013806:Theophylline; D000242:Cyclic AMP; D007545:Isoproterenol