Ingestion of engineered nanomaterials is inevitable due to their addition to food and prevalence in food packaging and domestic products such as toothpaste and sun cream. In the absence of robust dosimetry and particokinetic data, it is currently challenging to accurately assess the potential toxicity of food‐borne nanomaterials. Herein, we review current understanding of gastrointestinal uptake mechanisms, consider some data on the potential for toxicity of the most commonly encountered classes of food‐borne nanomaterials (including TiO2, SiO2 , ZnO, and Ag nanoparticles), and discuss the potential impact of the luminal environment on nanoparticle properties and toxicity. Much of our current understanding of gastrointestinal nanotoxicology is derived from increasingly sophisticated epithelial models that augment in vivo studies. In addition to considering the direct effects of food‐borne nanomaterials on gastrointestinal tissues, including the potential role of chronic nanoparticle exposure in development of inflammatory diseases, we also discuss the potential for food‐borne nanomaterials to disturb the normal balance of microbiota within the gastrointestinal tract. The latter possibility warrants close attention given the increasing awareness of the critical role of microbiota in human health and the known impact of some food‐borne nanomaterials on bacterial viability. WIREs Nanomed Nanobiotechnol 2018, 10:e1481. doi: 10.1002/wnan.1481 This article is categorized under: 1 Toxicology and Regulatory Issues in Nanomedicine > Toxicology of Nanomaterials
Effects of food‐borne nanomaterials on gastrointestinal tissues and microbiota
H. Bouwmeester,M. van der Zande,M. Jepson
Published 2017 in Wiley Interdisciplinary Reviews: Nanomedicine and Nanobiotechnology
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- Publication year
2017
- Venue
Wiley Interdisciplinary Reviews: Nanomedicine and Nanobiotechnology
- Publication date
2017-05-26
- Fields of study
Medicine, Environmental Science
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Semantic Scholar, PubMed
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