Zinc modulates lithium-induced hepatotoxicity in rats.

Liver Int

Department of Biophysics, Panjab University, Chandigarh, India.

Published: April 2008

Aim: The present study explored the hepatoprotective role of zinc in lithium-induced hepatotoxicity.

Methods: Rats received either lithium treatment in diet at a dose level of 1.1 g/kg diet, zinc alone at a dose level of 227 mg/L in drinking water, and combined lithium plus zinc or drinking water alone for different time durations of 1, 2 and 4 months. This study explored the hepatic marker enzymes, antioxidant status and histopathological investigations in the liver of rats following different treatments.

Results: The activities of glutamic oxaloacetic transaminase, glutamic pyruvic transaminase and alkaline phosphatase were found to be elevated significantly following 2 and 4 months of lithium treatment. Lithium-treated rats showed a significant increase in the levels of lipid peroxidation and superoxide dismutase and a significant inhibition in the levels of reduced glutathione, catalase and glutathione-S-transferase, following 2 and 4 months of treatment. However, zinc co-administration revealed significant improvement in the altered activities of hepatic marker and antioxidant enzymes in comparison with lithium-treated animals. Lithium-treated rats also indicated drastic alterations in hepatic histoarchitecture and zinc co-administration resulted in improvement in the structure of hepatocytes.

Conclusion: The present study suggests the protective potential of zinc in lithium-induced hepatotoxicity.

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Source
http://dx.doi.org/10.1111/j.1478-3231.2008.01674.xDOI Listing

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Aim: The present study explored the hepatoprotective role of zinc in lithium-induced hepatotoxicity.

Methods: Rats received either lithium treatment in diet at a dose level of 1.1 g/kg diet, zinc alone at a dose level of 227 mg/L in drinking water, and combined lithium plus zinc or drinking water alone for different time durations of 1, 2 and 4 months.

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