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Review
. 2023 Jun;98(3):747-774.
doi: 10.1111/brv.12928. Epub 2023 Jan 14.

Interaction between nanomaterials and the innate immune system across evolution

Diana Boraschi  1   2   3   4 , Laura Canesi  5 , Damjana Drobne  6 , Birgit Kemmerling  7 , Annalisa Pinsino  8 , Petra Prochazkova  9
Affiliations
Review

Interaction between nanomaterials and the innate immune system across evolution

Diana Boraschi et al. Biol Rev Camb Philos Soc. 2023 Jun.

Abstract

Interaction of engineered nanomaterials (ENMs) with the immune system mainly occurs with cells and molecules of innate immunity, which are present in interface tissues of living organisms. Immuno-nanotoxicological studies aim at understanding if and when such interaction is inconsequential or may cause irreparable damage. Since innate immunity is the first line of immune reactivity towards exogenous agents and is highly conserved throughout evolution, this review focuses on the major effector cells of innate immunity, the phagocytes, and their major sensing receptors, Toll-like receptors (TLRs), for assessing the modes of successful versus pathological interaction between ENMs and host defences. By comparing the phagocyte- and TLR-dependent responses to ENMs in plants, molluscs, annelids, crustaceans, echinoderms and mammals, we aim to highlight common recognition and elimination mechanisms and the general sufficiency of innate immunity for maintaining tissue integrity and homeostasis.

Keywords: Toll-like receptors; human; in vitro; in vivo; innate immunity; invertebrates; phagocytes; plants.

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References

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