Abstract
Despite an increasing surge in application of nanoparticles in industries, there is a serious lack of information concerning their impact on human health and the environment. The present study investigated effects of molybdenum nanoparticles (Mo NPs) injected intraperitoneally into Sprague-Dawley rats at different doses of Mo NPs (5, 10, and 15 mg/kg BW per day) during a period of 28 days. Hematological and biochemical parameters as well as sexual hormones and histopathological examinations of the liver and testis were assessed and compared with control group. The results showed that the serum levels of testosterone decreased significantly in both groups of 10 and 15 mg (Mo NPs)/kg BW in comparison with the control group (p < 0.05). However, there were insignificant differences observed in luteinizing hormone (LH) levels and hematological parameters when compared with the control group (p > 0.05). The results of liver enzymes showed that serum levels of aspartate aminotransferase (AST) decreased significantly in both dosage groups of 5 and 10 mg/kg BW (Mo NPs) when compared with the control group (p < 0.05), and significant decrease obtained in lactate dehydrogenase (LDH) levels at dose of 5 mg/kg BW in comparison with the control group (p < 0.05). The histopathological examination of testis showed a decrease in number of Leydig cells. Also, the number of chronic inflammatory cells increased in portal triad and parenchyma in liver tissue of rats exposed to Mo NPs.
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Acknowledgments
The authors would like to thank the Metabolic Diseases Research Center at Zanjan University of Medical Sciences, Zanjan, Iran, for financial and other supports. Special thanks to Dr. Mehrdad Pedram (Department of Medical Genetics and Molecular Medicine, ZUMS) for his help with editing of the manuscript and highly valuable comments.
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All animal experiments were performed in compliance with the ZUMS Ethics Committee.
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Asadi, F., Mohseni, M., Dadashi Noshahr, K. et al. Effect of Molybdenum Nanoparticles on Blood Cells, Liver Enzymes, and Sexual Hormones in Male Rats. Biol Trace Elem Res 175, 50–56 (2017). https://doi.org/10.1007/s12011-016-0765-5
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DOI: https://doi.org/10.1007/s12011-016-0765-5