Blood glucose regulates liver-glycogen metabolism. The infusion of glucose into the bloodstream leads to the inactivation of phosphorylase, followed by the activation of glycogen synthase, in the liver.

[Data from W. Stalmans, H. De Wulf, L. Hue, and H.-G. Hers. Eur. J. Biochem. 41:117–134, 1974.]