Foldable Glistening-Free Acrylic Intraocular Lens Biomaterials with Dual-Side Heterogeneous Surface Modification for Postoperative Endophthalmitis and Posterior Capsule Opacification Prophylaxis.

Foldable Glistening-Free Acrylic Intraocular Lens Biomaterials with Dual-Side Heterogeneous Surface Modification for Postoperative Endophthalmitis and Posterior Capsule Opacification Prophylaxis.
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可折叠无反光丙烯酸人工晶状体生物材料,具有双面异质表面修饰,用于术后眼内炎和后囊混浊预防。

DOI:
10.1021/acs.biomac.1c00582
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发表时间:
2021-07
期刊:
影响因子:
6.2
通讯作者:
Nie Yu
Nie Yu
中科院分区:
化学2区
文献类型:
--
作者:
Xiang Yang;Jin Rongrong;Zhang Ying;Li Kaijun;Liu Gongyan;Song Xu;Wang Yunbing;Nie Yu

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疏水性丙烯酸人工晶状体(IOL)广泛用于白内障治疗,以预防后囊混浊(PCO)。然而,不良反光和术后眼内炎是两个主要的潜在风险。因此,我们合成了一系列聚(甲基丙烯酸2-苯氧基乙酯-丙烯酸2-苯氧基乙酯-甲基丙烯酸2-乙基己酯)(PPPE)丙烯酸IOL材料以实现“无反光”优化。所选的含有 2% 甲基丙烯酸 2-乙基己酯的 PPPE 显示出优异的光学、可折叠和热机械性能。 PPPE 的前表面涂有聚多巴胺,然后结合庆大霉素 (PDA/GS)。它抑制细菌粘附 74%,生物膜厚度减少 87%。在模拟炎症条件下,细菌增殖受到抑制,并具有酸性依赖性 GS 释放行为。 PPPE 朝向后囊的表面保持疏水性。有利于人晶状体上皮细胞的粘附、IV型胶原蛋白和纤连蛋白的吸附以及下面“密封三明治结构”的形成。综上所述,双面异质表面PPPE在术后眼内炎和PCO预防方面显示出良好的应用前景。
Hydrophobic acrylic intraocular lenses (IOLs) are widely used in cataract treatment for posterior capsule opacification (PCO) prophylaxis. However, undesired glistening and postoperative endophthalmitis are two major potential risks. Hence, a series of poly(2-phenoxyethyl methacrylate-co-2-phenoxyethyl acrylate-co-2-ethylhexyl methacrylate) (PPPE) acrylic IOL materials were synthesized for "glistening-free" optimization. The selected PPPE with 2% 2-ethylhexyl methacrylate showed excellent optical, foldable, and thermomechanical properties. The anterior surface of PPPE was coated with polydopamine followed by gentamycin conjugation (PDA/GS). It inhibited bacterial adhesion by 74% and decreased the biofilm thickness by 87%. In inflammatory mimicking conditions, bacterial proliferation was restrained, with acidic-dependent GS release behavior. The surface of PPPE toward the posterior capsule remained hydrophobic. It was conducive to human lens epithelial cell adhesion, collagen IV and fibronectin adsorption, and the following "sealed sandwich structure" formation. In summary, the PPPE with a dual-side heterogeneous surface displayed good application prospects in postoperative endophthalmitis and PCO prevention.
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