Issue 23, 2024

Looking back, moving forward: protein corona of lipid nanoparticles

Abstract

Lipid nanoparticles (LNPs) are commonly employed for drug delivery owing to their considerable drug-loading capacity, low toxicity, and excellent biocompatibility. Nevertheless, the formation of protein corona (PC) on their surfaces significantly influences the drug's in vivo fate (such as absorption, distribution, metabolism, and elimination) upon administration. PC denotes the phenomenon wherein one or multiple strata of proteins adhere to the external interface of nanoparticles (NPs) or microparticles within the biological milieu, encompassing ex vivo fluids (e.g., serum-containing culture media) and in vivo fluids (such as blood and tissue fluids). Hence, it is essential to claim the PC formation behaviors and mechanisms on the surface of LNPs. This overview provided a comprehensive examination of crucial aspects related to such issues, encompassing time evolution, controllability, and their subsequent impacts on LNPs. Classical studies of PC generation on the surface of LNPs were additionally integrated, and its decisive role in shaping the in vivo fate of LNPs was explored. The mechanisms underlying PC formation, including the adsorption theory and alteration theory, were introduced to delve into the formation process. Subsequently, the existing experimental outcomes were synthesized to offer insights into the research and application facets of PC, and it was concluded that the manipulation of PC held substantial promise in the realm of targeted delivery.

Graphical abstract: Looking back, moving forward: protein corona of lipid nanoparticles

Article information

Article type
Perspective
Submitted
29 Jan 2024
Accepted
11 May 2024
First published
17 May 2024

J. Mater. Chem. B, 2024,12, 5573-5588

Looking back, moving forward: protein corona of lipid nanoparticles

Y. Gao, Y. Huang, C. Ren, P. Chou, C. Wu, X. Pan, G. Quan and Z. Huang, J. Mater. Chem. B, 2024, 12, 5573 DOI: 10.1039/D4TB00186A

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