Zinc oxide nanoparticles mediated cytotoxicity, mitochondrial membrane potential and level of antioxidants in presence of melatonin.

International Journal of Biological Macromolecules
Sudhakaran SruthiP V Mohanan

Abstract

Zinc oxide nanoparticles (ZnO NPs) are widely used in a variety of products and are currently being investigated for biomedical applications. However, they have the potential to interact with macromolecules like proteins, lipids and DNA within the cells which makes the safe biomedical application difficult. The toxicity of the ZnO NP is mainly attributed reactive oxygen species (ROS) generation. Different strategies like iron doping, polymer coating and external supply of antioxidants have been evaluated to minimize the toxic potential of ZnO NPs. Melatonin is a hormone secreted by the pineal gland with great antioxidant properties. The melatonin is known to protect cells from ROS inducing external agents like lipopolysaccharides. In the present study, the protective effect of melatonin on ZnO NPs mediated toxicity was evaluated using C6 glial cells. The Cytotoxicity, mitochondrial membrane potential and free radical formation were measured to study the effect of melatonin. Antioxidant assays were done on mice brain slices, incubated with melatonin and ZnO NPs. The results of the study reveal that, instead of imparting a protective effect, the melatonin pre-treatment enhanced the toxicity of ZnO NPs. Melatonin increased antioxi...Continue Reading

Citations

Jul 31, 2018·Applied Physiology, Nutrition, and Metabolism = Physiologie Appliquée, Nutrition Et Métabolisme·Zeynep Banu DoğanlarOğuzhan Doğanlar
Jul 21, 2020·Journal of Applied Toxicology : JAT·Xiaoru ChangMeng Tang
May 6, 2019·IET Nanobiotechnology·Khuram Shahzad Ahmad, Shaan Bibi Jaffri
May 6, 2019·IET Nanobiotechnology·Femina Carolin ChristopherRacchana Ramamurthy
Oct 22, 2020·Environmental Science and Pollution Research International·Sudhakaran SruthiGérard Lizard
Nov 13, 2019·The Science of the Total Environment·Daming WuTing Zhang
Jan 2, 2021·International Journal of Environmental Research and Public Health·Chee Kong YapKhalid Awadh Al-Mutairi
Jul 3, 2021·Molecules : a Journal of Synthetic Chemistry and Natural Product Chemistry·Luiz Gustavo de Almeida ChuffaRussel J Reiter

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