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- W2096317072 abstract "Magnetic iron oxide nanoparticles with appropriate surface chemistry have been widely used with potential new applications in biomedical industry. Therefore, the aim of this study was to assess the size-, dose-, and time-dependent effects, after acute oral exposure to iron oxide-30 NP (Fe2O3-30), on various biochemical enzyme activities of clinical significances in a female Wistar rat model. Rats were exposed to three different doses (500, 1,000, and 2,000 mg/kg) of Fe2O3-30 and Fe2O3-Bulk along with control. Fe2O3-30 had no effect on growth, behavior, and nutritional performance of animals. Fe2O3-30 caused significant inhibition of acetylcholinestrase in red blood cells as well as in brains of treated rats. Further, more than 50% inhibition of total, Na+-K+, Mg2+, and Ca2+-ATPases activities, as observed in brains of exposed female rats, may be the result of disturbances in cellular physiology and the iono-regulatory process. Activation of the hepatotoxicity marker enzymes, aspartate aminotransferase and alanine aminotransferase, was recorded in serum and liver, whereas inhibition was observed in kidney. Similarly, enhancement of lactate dehydrogenase activity was observed in serum and liver; however, a decrease in enzyme levels was observed in kidneys of Fe2O3-30-treated rats. On the other hand, Fe2O3-Bulk did not depict any significant changes in these biochemical parameters, and alterations were near to control. Therefore, this study suggests that exposure to nanosize particles at acute doses may cause adverse changes in animal biochemical profiles. The use of the rat model signifies the correlation with the human system." @default.
- W2096317072 created "2016-06-24" @default.
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- W2096317072 date "2012-10-01" @default.
- W2096317072 modified "2023-10-16" @default.
- W2096317072 title "Biochemical alterations induced by acute oral doses of iron oxide nanoparticles in Wistar rats" @default.
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- W2096317072 doi "https://doi.org/10.3109/01480545.2012.720988" @default.
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