Structure-property relationship in cytotoxicity and cell uptake of poly(2-oxazoline) amphiphiles.

Structure-property relationship in cytotoxicity and cell uptake of poly(2-oxazoline) amphiphiles.
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DOI:
10.1016/j.jconrel.2011.04.010
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发表时间:
2011-07-15
期刊:
Journal of controlled release : official journal of the Controlled Release Society
影响因子:
--
通讯作者:
Kabanov AV
Kabanov AV
中科院分区:
其他
文献类型:
--
作者:
Luxenhofer R;Sahay G;Schulz A;Alakhova D;Bronich TK;Jordan R;Kabanov AV

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聚(2-恶唑啉)(POx)家族在生物医学应用中得到越来越多的研究。我们测试了 POx 的相对细胞毒性,并能够证实这些聚合物即使在高浓度下通常也没有细胞毒性。此外,我们报告了一系列具有不同结构、摩尔质量和链末端的两亲性 POx 嵌段共聚物的结构-吸收关系。通过改变聚合物结构,可以在广泛的范围内微调内吞作用的速率。细胞摄取随着聚合物的疏水特性而增加,甚至在纳摩尔浓度下也能观察到。考虑到此类聚合物的结构多功能性、相对容易的制备及其稳定性,突显了 POx 作为制备下一代聚合物治疗药物的有前途的候选平台的潜力。
The family of poly(2-oxazoline)s (POx) is being increasingly investigated in the context of biomedical applications. We tested the relative cytotoxicity of POx and were able to confirm that these polymers are typically not cytotoxic even at high concentrations. Furthermore, we report structure-uptake relationships of a series of amphiphilic POx block copolymers that have different architectures, molar mass and chain termini. The rate of endocytosis can be fine-tuned over a broad range by changing the polymer structure. The cellular uptake increases with the hydrophobic character of the polymers and is observed even at nanomolar concentrations. Considering the structural versatility of this class of polymers, the relative ease of preparation and their stability underlines the potential of POx as a promising platform candidate for the preparation of next-generation polymer therapeutics.
DOI: 10.1002/pol.1968.150060711
发表时间: 1968-01-01
期刊: JOURNAL OF POLYMER SCIENCE PART A-1-POLYMER CHEMISTRY
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