Bulk and nanoscale polypeptide based polyelectrolyte complexes.

Bulk and nanoscale polypeptide based polyelectrolyte complexes.
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DOI:
10.1016/j.cis.2016.06.012
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发表时间:
2017-01
影响因子:
15.6
通讯作者:
Leon L
Leon L
中科院分区:
化学1区
文献类型:
--
作者:
Marciel AB;Chung EJ;Brettmann BK;Leon L

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利用多肽形成的聚电解质复合物(PECs)在开发新的自组装材料方面具有巨大的潜力,特别是在开发药物和基因传递载体方面。本文综述了利用多肽作为聚阴离子和/或聚阳离子在聚电解质络合物(形成块状材料)和嵌段共聚物络合物(形成纳米级组件,如PEC胶束和其他自组装结构)中形成PEC的最新进展。我们强调了均匀多肽复合物之间二级结构形成的重要性,与使用其他聚合物形成的PECs不同,二级结构以氢键的形式引入了额外的分子间相互作用,这可能会影响沉淀而不是凝聚。然而,我们仍然包括多肽和其他聚合物(如核酸、糖和其他合成聚电解质)组成的异质复合物。特别关注以核酸作为多阴离子和多肽作为多阳离子形成的复合物及其潜在的递送应用。
Polyelectrolyte complexes (PECs) formed using polypeptides have great potential for developing new self-assembled materials, in particular for the development of drug and gene delivery vehicles. This review discusses the latest advancements in PECs formed using polypeptides as the polyanion and/or the polycation in both polyelectrolyte complexes that form bulk materials and block copolymer complexes that form nanoscale assemblies such as PEC micelles and other self-assembled structures. We highlight the importance of secondary structure formation between homogeneous polypeptide complexes, which, unlike PECs formed using other polymers, introduces additional intermolecular interactions in the form of hydrogen bonding, which may influence precipitation over coacervation. However, we still include heterogeneous complexes consisting of polypeptides and other polymers such as nucleic acids, sugars, and other synthetic polyelectrolytes. Special attention is given to complexes formed using nucleic acids as polyanions and polypeptides as polycations and their potential for delivery applications.
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