Abstract
Glucose turnover and recycling from glucose derived 3-carbon intermediates were examined in overnight fasted patients with compensated hepatic cirrhosis and in age- and weight-matched normal control subjects. Fasting blood concentrations of glucose, lactate and glycerol were similar in both groups but blood pyruvate (60 +/- 10 vs. 80 +/- mumol/l, P less than 0.05), blood alanine (0.23 +/- 0.02 vs 0.34 +/- 0.02 mmol/l, P less than 0.01) were decreased and serum insulin increased (19 [13-24]v 7 [4-11] mU/l, P less than 0.01) in cirrhotic subjects. Absolute glucose turnover, assessed by analysis of decay of [3H]-3-glucose specific activity was decreased in cirrhotic patients (8.1 +/- 0.6 v 12.1 +/- 0.7 mol/kg-1 min-1). Glucose "recycling", assessed by the difference between absolute glucose turnover and that given by [14C]-1-glucose data, was normal in cirrhotic patients suggesting that Cori cycle (glucose-lactate-glucose) activity was normal. These data support previous findings of decreased peripheral glucose utilisation and insulin resistance in cirrhotic patients.
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Schedule a callMore From: Hormone and metabolic research = Hormon- und Stoffwechselforschung = Hormones et metabolisme
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