Influence of particle z‐potential and experimental procedure on protein corona formation and multicomponent aggregation

Influence of particle z‐potential and experimental procedure on protein corona formation and multicomponent aggregation
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粒子 z 电位和实验程序对蛋白质冠形成和多组分聚集的影响

DOI:
10.1002/aic.18237
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发表时间:
2023
期刊:
影响因子:
3.7
通讯作者:
McEnnis, Kathleen
McEnnis, Kathleen
中科院分区:
工程技术3区
文献类型:
--
作者:
López Ruiz, Aida;Xiao, Mengyuan;Sathya, Asmitha;Piccininni, Nicole;Liu, Guangliang;Siddiq, Noshin;Chen, Hao;McEnnis, Kathleen

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近年来,药物递送系统重新受到关注,以实现靶向递送,同时减少毒副作用。然而,有许多因素妨碍给药颗粒的最佳管理。例如,蛋白冠的形成和聚集都会降低药物传递颗粒的循环半衰期,导致药物被隔离到肝脏和脾脏。因此,需要最佳的表面修饰来减少蛋白质冠的形成并避免聚集。在这项工作中,聚苯乙烯颗粒被多臂和线性聚乙二醇(PEG)修饰,以确定它们的聚集谱和蛋白质冠的形成。研究发现,由于未反应端基的zeta电位的变化,多臂聚乙二醇比线性聚乙二醇更容易聚集,这可能导致循环半衰期缩短。此外,研究了不同洗涤程序后蛋白冠的形成和组成,强调了在未稀释的血浆中研究蛋白冠形成的重要性。
Drug delivery systems have renewed attention in recent years to achieve targeted delivery while decreasing toxic side effects. However, there are many factors that prevent optimal administration of drug delivery particles. For instance, protein corona formation and aggregation both decrease the circulation half‐life of drug delivery particles, leading to sequestration to the liver and spleen. Therefore, optimal surface modifications are needed to decrease protein corona formation and avoid aggregation. In this work, polystyrene particles were modified with multi‐arm and linear polyethylene glycol (PEG) to determine their aggregation profiles and protein corona formation. Multi‐arm PEGs were found to aggregate more than linear PEGs, due to the change in zeta potential from unreacted end groups, which may lead to shorter circulation half‐lives. Furthermore, the protein corona formation and composition were studied after different washing procedures, highlighting the importance of studying protein corona formation with undiluted blood plasma.
不同生物环境中工程颗粒上形成的“硬”生物分子电晕的微流体检查。
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发表时间: 2018
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