Cultured heart cells as a model for beta-adrenoceptors in a heart pacemaker. Chronotropic spare beta-adrenoceptors and spare adenylyl cyclase for (-)-isoprenaline but not for (-)-dichloroisoprenaline in rat cardiocytes.
D000262:Adenylyl Cyclases / Q000378:metabolism*; D000818:Animals; D002462:Cell Membrane / Q000378:metabolism; D002478:Cells, Cultured; D002642:Chick Embryo; D000242:Cyclic AMP / Q000502:physiology; D006339:Heart Rate; D007545:Isoproterenol / Q000378:metabolism* / Q000494:pharmacology*; D007700:Kinetics; D009206:Myocardium / Q000166:cytology; D051381:Rats; D011919:Rats, Inbred Strains; D011941:Receptors, Adrenergic / Q000502:physiology*; D011943:Receptors, Adrenergic, beta / Q000502:physiology*
D011941:Receptors, Adrenergic; D011943:Receptors, Adrenergic, beta; D000242:Cyclic AMP; D000262:Adenylyl Cyclases; D007545:Isoproterenol