IN VIVO EFFECTS OF GLUCAGON ON HEPATIC GLYCOGEN, PHOSPHORYLASE AND GLUCOSE-6-PHOSPHATASE1

Abstract
RECENT studies in our laboratory on rat liver slices have revealed a critical time relationship between the addition of glucagon to the medium and the observed levels of phosphorylase activity. This study in dogs was therefore undertaken to determine in vivo the degree and duration of alterations in this enzyme and the secondary changes in hepatic glycogen content. Also measured were hepatic glucose-6-phosphatase activity, blood sugar and lactate, and serum sodium, potassium and inorganic phosphorus.

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