Environmental exposure enhances the internalization of microplastic particles into cells
Title data
Ramsperger, Anja ; Narayana, Vinay Kumar Bangalore ; Groß, Wolfgang ; Mohanraj, John ; Thelakkat, Mukundan ; Greiner, Andreas ; Schmalz, Holger ; Kress, Holger ; Laforsch, Christian: Environmental exposure enhances the internalization of microplastic particles into cells. In: Science Advances.
Vol. 6
(9 December 2020)
Issue 50
.
- pp. 1-9.
- eabd1211.
ISSN 2375-2548
DOI: https://doi.org/10.1126/sciadv.abd1211
Project information
Project title:
Project's official title
Project's id
SFB 1357 Mikroplastik
SFB1357
DFG INST 91/289-1 FUGG
DFG
Project financing:
Deutsche Forschungsgemeinschaft
Studienstiftung des deutschen Volkes
Elite-Netzwerk Bayern
Abstract in another language
Microplastic particles ubiquitously found in the environment are ingested by a huge variety of organisms. Subsequently, microplastic particles can translocate from the gastrointestinal tract into the tissues likely by cellular internalization. The reason for cellular internalization is unknown, since this has only been shown for specifically surface-functionalized particles. We show that environmentally exposed microplastic particles were internalized significantly more often than pristine microplastic particles into macrophages. We identified biomolecules forming an eco-corona on the surface of microplastic particles, suggesting that environmental exposure promotes the cellular internalization of microplastics. Our findings further indicate that cellular internalization is a key route by which microplastic particles translocate into tissues, where they may cause toxicological effects that have implications for the environment and human health.