The hepatic defect in glycogen synthesis in chronic diabetes involves the G-component of synthase phosphatase.


Hepatocytes from normal fed rats and from chronically (90 h) alloxan-diabetic rats were compared. The rate and the extent of activation of glycogen synthase in response to 60 mM-glucose were greatly decreased in diabetes. During incubation of gel-filtered extracts from broken hepatocytes, diabetes only decreased the rate of the activation, which became… (More)


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