Toxicology International (Formerly Indian Journal of Toxicology)

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Manganese Chloride Induced Hepatic and Renal Toxicity in Wistar Rats


Affiliations
1 Department of Zoology, Centre for Advance Studies, University of Rajasthan, Jaipur, India
     

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Manganese (Mn) is an essential trace metal and acts as cofactor in many cellular enzymes. But excessive concentration of the Mn is potentially toxic resulting in several disorders. The present study was designed to evaluate toxic effects of manganese chloride (MnCl2.4H2O) exposure on marker biochemical parameters, antioxidant defense system and histomorphology of liver and kidney in rats. Adult male Wistar rats were randomly divided into three groups. In group A, the rats were treated with vehicle (0.5 ml normal saline) and served as control. The rats in group B and C were exposed to MnCl2 (50 and 100 mg/kg b.wt./day, p.o. respectively) for 120 days. The results showed significant elevation in cholesterol and triglyceride contents in liver while glycogen concentration showed significant depletion. Serum levels of aspartate aminotransferase (AST), alanine aminotransferase (ALT), alkaline phosphatase (ALP), total bilirubin, urea and creatinine were significantly increased by MnCl2 treatment. The present data also indicated that MnCl2 significantly increased lipid peroxidation (LPO) and concomitantly decreased the levels of glutathione (GSH), ascorbic acid and superoxide dismutase (SOD) activity in both liver and kidney extracts compared to control. Histopathological study of the liver of MnCl2 exposed rats showed dose based degenerative and atrophic changes, infiltration of mononuclear cells and dilation of sinusoids. Sections of kidney also showed dilation of glomeruli and degenerative changes in the tubules. Taken together these data suggest that MnCl2 exposure has adverse impact on the morphology and functions of both liver and kidney in rats.

Keywords

Histopathology, Kidney, Lipid Peroxidation, Liver, Manganese Chloride.
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  • Manganese Chloride Induced Hepatic and Renal Toxicity in Wistar Rats

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Authors

Milan Chandel
Department of Zoology, Centre for Advance Studies, University of Rajasthan, Jaipur, India
G. C. Jain
Department of Zoology, Centre for Advance Studies, University of Rajasthan, Jaipur, India

Abstract


Manganese (Mn) is an essential trace metal and acts as cofactor in many cellular enzymes. But excessive concentration of the Mn is potentially toxic resulting in several disorders. The present study was designed to evaluate toxic effects of manganese chloride (MnCl2.4H2O) exposure on marker biochemical parameters, antioxidant defense system and histomorphology of liver and kidney in rats. Adult male Wistar rats were randomly divided into three groups. In group A, the rats were treated with vehicle (0.5 ml normal saline) and served as control. The rats in group B and C were exposed to MnCl2 (50 and 100 mg/kg b.wt./day, p.o. respectively) for 120 days. The results showed significant elevation in cholesterol and triglyceride contents in liver while glycogen concentration showed significant depletion. Serum levels of aspartate aminotransferase (AST), alanine aminotransferase (ALT), alkaline phosphatase (ALP), total bilirubin, urea and creatinine were significantly increased by MnCl2 treatment. The present data also indicated that MnCl2 significantly increased lipid peroxidation (LPO) and concomitantly decreased the levels of glutathione (GSH), ascorbic acid and superoxide dismutase (SOD) activity in both liver and kidney extracts compared to control. Histopathological study of the liver of MnCl2 exposed rats showed dose based degenerative and atrophic changes, infiltration of mononuclear cells and dilation of sinusoids. Sections of kidney also showed dilation of glomeruli and degenerative changes in the tubules. Taken together these data suggest that MnCl2 exposure has adverse impact on the morphology and functions of both liver and kidney in rats.

Keywords


Histopathology, Kidney, Lipid Peroxidation, Liver, Manganese Chloride.

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DOI: https://doi.org/10.22506/ti%2F2016%2Fv23%2Fi3%2F146713