Current Science

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In this study, the chick embryo model has been used as an alternative to the mammalian model for assessing nephrotoxicity. Resemblance of the chick embryo to mammals in having metanephric kidney has prompted us to explore the possibility of using this system for the assessment of kidney toxicity caused mainly by nephrotoxic drugs, namely gentamicin, cisplatin and doxorubicin. Fertilized hens' eggs incubated at 38°±2°C and 58%-60% relative humidity, were injected with the above-mentioned drugs on embryonic day 11. A significant decrease in the uric acid level of amniotic fluid was shown by embryos of cisplatin and doxorubicin-treated groups when compared to control. Embryos of the gentamicin-treated group showed significant increase in urea concentration. Alterations in uric acid, urea and creatinine levels were found in all groups. Histopathological study showed nephron degeneration. Similar results were found in a mouse model.

Keywords

Chick Embryo, Kidney Cells, Mammalian Model, Nephrotoxic Drugs.
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