Abstract
Protein deficiency was produced by feeding synthetic 8%-protein diet. Lithium carbonate at the dose level of 1.1g/kg diet was administered to normal and protein-deficient rats for a period of one mo. A significant inhibition in the levels of cytochrome (cyt) P450, cyt b5, glutathione (GSH), glutathione S-transferase (GST) and glutathione peroxidase (GPx), but an increase in gamma-glutamyl transpeptidase (gamma-GT), was observed in low-protein LP-fed rats. Lithium treatment to normal rats caused no significant change in the activities of cyt P450, cyt b5, GST, and GSH levels, whereas there was elevation in the activities of gamma-GT and GPx and suppression in glutathione reductase (GRd) activity. Lithium administration to LP-fed rats resulted in significant increases in the hepatic gamma-GT and GPx activities.
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