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Archives of Toxicology

, Volume 93, Issue 6, pp 1491–1500 | Cite as

Toxicological assessment of magnesium oxide nanoparticles in HT29 intestinal cells

  • Anna MittagEmail author
  • Thomas Schneider
  • Martin Westermann
  • Michael Glei
Nanotoxicology
  • 227 Downloads

Abstract

Nanoparticles (NPs) are increasingly used in different consumer-related areas, for instance in food packaging or as additives, because of their enormous potential. Magnesium oxide (MgO) is an EU-approved food additive (E number 530). It is commonly used as a drying agent for powdered foods, for colour retention or as a food supplement. There are no consistent results regarding the effects of oral MgO NP uptake. Consequently, the aim of this study was to examine the effects of MgO NPs in the HT29 intestinal cell line. MgO NP concentrations ranged from 0.001 to 100 μg/ml and incubation times were up to 24 h. The cytotoxic and genotoxic potential were investigated. Apoptotic processes and cell cycle changes were analysed by flow cytometry. Finally, oxidative stress was examined. Transmission electron microscopy indicated that there was no cellular uptake. MgO NPs had no cytotoxic or genotoxic effects in HT29 cells and they did not induce apoptotic processes, cell cycle changes or oxidative stress.

Keywords

Flow cytometry HT29 cells Magnesium oxide Nanoparticles Nanotoxicology Oral exposure 

Notes

Acknowledgements

The authors would like to extend their appreciation to Dr. Andrea Csáki from the Leibniz Institute of Photonic Technology Jena for the possibility of characterizing the nanoparticles. The current work (Project Number: 2017 FE 9049) was financially supported by The European Fund for Regional Development (EFRE).

Compliance with ethical standards

Conflict of interest

The authors declare that they have no conflict of interest.

Supplementary material

204_2019_2451_MOESM1_ESM.docx (1 mb)
Supplementary material 1 (DOCX 1040 kb)

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Copyright information

© Springer-Verlag GmbH Germany, part of Springer Nature 2019

Authors and Affiliations

  • Anna Mittag
    • 1
    Email author
  • Thomas Schneider
    • 1
  • Martin Westermann
    • 2
  • Michael Glei
    • 1
  1. 1.Department of Nutritional Toxicology, Institute of Nutritional SciencesFriedrich Schiller University JenaJenaGermany
  2. 2.Electron Microscopy CentreFriedrich Schiller University JenaJenaGermany

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