The effect of Fe2O3 and ZnO nanoparticles on cytotoxicity and glucose metabolism in lung epithelial cells

Journal of Applied Toxicology : JAT
Xiaofeng LaiJian Zhang

Abstract

Metallic nanoparticles (NPs) have potential applications in industry and medicine, but they also have the potential to cause many chronic pulmonary diseases. Mechanisms for their cytotoxicity, glucose and energy metabolism responses need to be fully explained in lung epithelial cells after treatment with metallic nanoparticles. In our study, two different metallic nanoparticles (Fe2 O3 and ZnO) and two cell-based assays (BEAS-2B and A549 cell lines) were used. Our findings demonstrate that ZnO nanoparticles, but not Fe2 O3 nanoparticles, induce cell cycle arrest, cell apoptosis, reactive oxygen species (ROS) production, mitochondrial dysfunction and glucose metabolism perturbation, which are responsible for cytotoxicity. These results also suggest that the glucose metabolism and bioenergetics had a great potential in evaluating the cytotoxicity and thus were very helpful in understanding their underlying molecular mechanisms.

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Citations

May 30, 2015·Respiratory Research·Albert Joachim OmlorQuoc Thai Dinh
Mar 19, 2020·Critical Reviews in Toxicology·S Keerthana, A Kumar
Aug 14, 2020·Particle and Fibre Toxicology·Jayme P CoyleLiying W Rojanasakul
Sep 3, 2019·Frontiers in Physiology·Vinícius Rosa OliveiraIsaac Almendros
Dec 14, 2017·International Journal of Molecular Sciences·Yue-Wern HuangHan-Jung Lee
Jul 3, 2021·Pharmaceutics·Andrea L KleinJonathan H Sherman
Aug 24, 2021·Journal of Toxicology·Chukwuebuka EgbunaChinwe Gloria Ibeabuchi

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