glucagon , epinephrine , norepinephrine , isoproterenol and phenylephrine each increases significantly glycogen phosphorylase a activity and decreases significantly the pyruvate kinase activity ratio ( assayed with 0.8 mm phosphoenolpyruvate +/- 200 microm fructose 1,6-bisphosphate ) in hepatocytes from both juvenile and adult rabbits .
C0014563
epinephrine
C0028351
norepinephrine