Abstract

Addition of NaF or MFP to rat hepatocytes resulted in a decrease in lactate and in an increase in glucose, 3 and 2-phosphoglycerate production. When dihydroxyacetone was present in the incubation medium both NaF and MFP increased the production of glucose, fructose-1,6-diphosphate, 3 and 2 phosphoglycerate, with a decrease in pyruvate and lactate. In the presence of lactate, glucose production increased only in the presence of MFP, but there was a 8–10 fold increase in the level of phosphoenol pyruvate with both NaF and MFP. The crossover data indicated that the activity of some of the glycolytic enzymes may be inhibited in the presence of NaF and MFP.

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