The effects of caffeine and imidazole on the actions of beta- and alpha-adrenergic stimulants, papaverine and cyclic 3', 5'-AMP.
D000316:Adrenergic alpha-Agonists / Q000494:pharmacology*; D000318:Adrenergic beta-Agonists / Q000494:pharmacology*; D000319:Adrenergic beta-Antagonists; D000818:Animals; D002110:Caffeine / Q000494:pharmacology*; D003106:Colon / Q000187:drug effects; D000242:Cyclic AMP / Q000494:pharmacology*; D003864:Depression, Chemical; D003983:Dibenzylchlorethamine / Q000494:pharmacology; D004357:Drug Synergism; D004837:Epinephrine / Q000494:pharmacology; D006168:Guinea Pigs; D007093:Imidazoles / Q000494:pharmacology*; D066298:In Vitro Techniques; D007545:Isoproterenol / Q000037:antagonists & inhibitors / Q000494:pharmacology; D008297:Male; D010208:Papaverine / Q000037:antagonists & inhibitors / Q000494:pharmacology*; D010656:Phenylephrine / Q000494:pharmacology; D011433:Propranolol / Q000494:pharmacology; D013268:Stimulation, Chemical
D000316:Adrenergic alpha-Agonists; D000318:Adrenergic beta-Agonists; D000319:Adrenergic beta-Antagonists; D007093:Imidazoles; D010656:Phenylephrine; D002110:Caffeine; D003983:Dibenzylchlorethamine; D011433:Propranolol; D010208:Papaverine; D000242:Cyclic AMP; D007545:Isoproterenol; D004837:Epinephrine