Journal
ACTA BIOMATERIALIA
Volume 129, Issue -, Pages 57-72Publisher
ELSEVIER SCI LTD
DOI: 10.1016/j.actbio.2021.05.019
Keywords
Nanoparticles; Protein-nanomaterial interaction; Protein corona; Drug delivery
Funding
- National Natural Science Foundation of China [81703448, 82073803, 81973261]
- West China School/Hospital of Stomatology, Sichuan University [RCDWJS2020-7]
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The formation of a protein corona (PC) on nanoparticles (NPs) in the blood can influence their behavior. Strategies to reduce PC formation or exploit it to enhance NP functions are discussed in this review. Studying protein-NP interactions can provide insights into their clinical activity in health and disease.
In most cases, once nanoparticles (NPs) enter the blood, their surface is covered by biological molecules, especially proteins, forming a so-called protein corona (PC). As a result, what the cells of the body see is not the NPs as formulated by the chemists, but the PC. In this way, the PC can influence the effects of the NPs and even mask the desired effects of the NP components. While this can argue for trying to inhibit protein-nanomaterial interactions, encapsulating NPs in an endogenous PC may increase their clinical usefulness. In this review, we briefly introduce the concept of the PC, its formation and its effects on the behavior of NPs. We also discuss how to reduce the formation of PCs or exploit them to enhance NP functions. Studying the interactions between proteins and NPs will provide insights into their clinical activity in health and disease. Statement of significance The formation of protein corona (PC) will affect the operation of nanoparticles (NPs) in vivo . Since there are many proteins in the blood, it is impossible to completely overcome the formation of PC. Therefore, the use of PCs to deliver drug is the best choice. De-opsonins adsorbed on NPs can reduce macrophage phagocytosis and cytotoxicity of NPs, and prolong their circulation in blood. Albumin, apolipoprotein and transferrin are typical de-opsonins. In present review, we mainly discuss how to optimize the delivery of nanoparticles through the formation of albumin corona, transferrin corona and apolipoprotein corona in vivo or in vitro . (c) 2021 Acta Materialia Inc. Published by Elsevier Ltd. All rights reserved.
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