POxylation as an alternative stealth coating for biomedical applications.

POxylation as an alternative stealth coating for biomedical applications.
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DOI:
10.1016/j.eurpolymj.2016.10.041
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发表时间:
2017-03
影响因子:
6
通讯作者:
Steinmetz NF
Steinmetz NF
中科院分区:
化学2区
文献类型:
--
作者:
Bludau H;Czapar AE;Pitek AS;Shukla S;Jordan R;Steinmetz NF

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聚乙二醇(PEG)聚合物目前用于各种医疗配方,以减少毒性,最大限度地减少免疫相互作用和改善药代动力学。尽管其广泛使用,然而,抗peg抗体的存在表明这种聚合物具有免疫原性和抗原性的潜力。在这里,我们提出了一种替代聚合物,聚(2-恶唑啉)(POx)用于隐身应用,特别是屏蔽蛋白质纳米颗粒不被免疫系统识别。烟草花叶病毒(TMV)被用作我们的实验平台,因为它具有作为药物递送和分子成像应用的纳米载体的潜力。
Polyethylene glycol (PEG) polymers are currently used in a variety of medical formulations to reduce toxicity, minimize immune interactions and improve pharmacokinetics. Despite its widespread use however, the presence of anti-PEG antibodies indicates that this polymer has the potential to be immunogenic and antigenic. Here we present an alternative polymer, poly(2-oxazoline) (POx) for stealth applications, specifically shielding of a proteinaceous nanoparticle from recognition by the immune system. Tobacco mosaic virus (TMV) was used as our testbed due to its potential for use as a nanocarrier for drug delivery and molecular imaging applications.
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