Correlation of metal distribution, reduced glutathione and metallothionein levels in liver and kidney of rat.
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1994-09-01
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Abstract
Effect of group IIB metals on the endogenous status of metallothionein (MT) and reduced glutathione (GSH) was studied in two vital detoxifying organs namely, liver and kidney of rat. The metals were administered at non lethal levels (1/10 LD50) which were found to cause no death. Zinc showed accumulation in both liver and kidney, cadmium preferentially in the liver while mercury in the kidney. Hepatic MT content was increased by 18-fold, 15-fold and 2-fold by cadmium, zinc and mercury respectively while renal MT was increased maximally by zinc. Among the metals, mercury caused highest depletion of hepatic GSH level (51%). The renal GSH showed differential response to the metal treatment, the level increasing slightly by cadmium and depleting significantly by zinc and mercury. A positive correlation was found between group IIB metal accumulation and the manifestation of toxic response.
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Bose S, Mukhopadhyay B, Chaudhury S, Bhattacharya S. Correlation of metal distribution, reduced glutathione and metallothionein levels in liver and kidney of rat. Indian Journal of Experimental Biology. 1994 Sep; 32(9): 679-81