alexa Effect of long term feeding and withdrawal of aflatoxin B1 and ochratoxin A on kidney cell transformation in albino rats
Pathology

Pathology

Journal of Clinical & Experimental Pathology

Author(s): Rati ER, Shantha T, Ramesh HP

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Subacute doses (1/20 LD50) of aflatoxin B1 and ochratoxin A were fed to weanling albino rats individually and in combination for 36 weeks and then rats were maintained on toxin free normal diet for a period of 24 weeks. Livers of rats were fatty, wherever aflatoxin was administered but the enzyme activity did not show significant differences among various groups. However, in a few individuals whose livers were severely affected, higher concentrations of urine creatinine, liver RNA and DNA, and ALT enzyme activity were recorded. Histopathological examination showed various stages of hepatoma and hepatocarcinoma including nodular hyperplasia, hypertrophy, vacuolisation, degeneration, pseudolobulation, cellular infiltration and fibrosis of liver of rats fed with aflatoxin individually and in combination. Few anaplastic cells in the corticomedullary region and nuclear enlargement of proximal tubular epithelium of kidney were found wherever combined toxin and ochratoxin alone were administered. Liver tumor expression was time dependent

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This article was published in Indian J Exp Biol. and referenced in Journal of Clinical & Experimental Pathology

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