Sulfated zwitterionic poly(sulfobetaine methacrylate) hydrogels promote complete skin regeneration

被引:134
作者
Wu, Jiang [1 ,2 ]
Xiao, Zecong [1 ,2 ,3 ]
Chen, Anqi [1 ]
He, Huacheng [2 ]
He, Chaochao [1 ]
Shuai, Xintao [3 ]
Li, Xiaokun [2 ]
Chen, Shengfu [4 ]
Zhang, Yanxian [5 ]
Ren, Baiping [5 ]
Zheng, Jie [2 ,5 ]
Xiao, Jian [1 ,2 ]
机构
[1] Wenzhou Med Univ, Sch Pharmaceut Sci, Key Lab Biotechnol & Pharmaceut Engn, Wenzhou 325035, Zhejiang, Peoples R China
[2] Wenzhou Univ, Coll Chem & Mat Engn, Wenzhou 325027, Zhejiang, Peoples R China
[3] Sun Yat Sen Univ, Sch Mat Sci & Engn, PCFM Lab, Minist Educ, Guangzhou, Guangdong, Peoples R China
[4] Zhejiang Univ, Coll Chem & Biol Engn, Key Lab Biomass Chem Engn, Minist Educ, Hangzhou 310027, Zhejiang, Peoples R China
[5] Univ Akron, Dept Chem & Biomol Engn, Akron, OH 44325 USA
基金
中国国家自然科学基金;
关键词
Wound regeneration; Zwitterionic; Polyethylene glycol; Hydrogels; Skin regeneration; GROWTH-FACTOR; IN-VIVO; EXTRACELLULAR-MATRIX; SURFACE; ANGIOGENESIS; RELEASE; POLYMER; BETA; EXPRESSION; SCAFFOLDS;
D O I
10.1016/j.actbio.2018.02.034
中图分类号
R318 [生物医学工程];
学科分类号
0831 ;
摘要
Skin wound healing is a still long-history challenging problem and impeded by the foreign-body reaction including severe inflammation response, poor neovascularization, incomplete re-epithelialization and defective ECM remodeling. Development of biocompatible polymers, in combination with specific drugs or growth factors, has been considered as a promising strategy to treat skin wounds. Significant research efforts have been made to develop poly(ethylene glycol) PEG-based polymers for wound healing, however less efforts has been paid to zwitterionic materials, some of which have demonstrated their super low-fouling property in vitro and anti-inflammatory property in vivo. Here, we synthesized ultra-low-fouling zwitterionic sulfated poly(sulfobetaine methacrylate) (polySBMA) hydrogels and applied them to full-thickness cutaneous wounds in mice. The healing effects of SBMA hydrogels on the wound closure, re-epithelialization ratio, ECM remodeling, angiogenesis, and macrophage responses during wound healing processes were histologically evaluated by in vivo experiments. Collective results indicate that SBMA hydrogels promote full-thickness excisional acute wound regeneration in mice by enhancing angiogenesis, decreasing inflammation response, and modulating macrophage polarization. Consistently, the incorporation of SBMA into PEG hydrogels also improved the overall wound healing efficiency as compared to pure PEG hydrogels. This work demonstrates zwitterionic SBMA hydrogels as promising wound dressings for treating full-thickness excisional skin wounds. (C) 2018 Acta Materialia Inc. Published by Elsevier Ltd. All rights reserved.
引用
收藏
页码:293 / 305
页数:13
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