Effect of glucagon on cyclic 3',5'-AMP, phosphorylase activity and contractility of heart muscle of the rat.

Adenine Nucleotides/metabolism Adenylyl Cyclases/metabolism Animals Cyclic AMP/metabolism Dogs Enzyme Activation Epinephrine/pharmacology Ethanolamines/pharmacology Glucagon/pharmacology Glucosyltransferases/metabolism Heart/drug effects,physiology In Vitro Techniques Isoproterenol/pharmacology Myocardium/enzymology Phosphorylase Kinase/metabolism

Adenine Nucleotides Ethanolamines Glucagon Cyclic AMP Glucosyltransferases Phosphorylase Kinase Adenylyl Cyclases Isoproterenol Epinephrine