Bioactive ECM Mimic Hyaluronic Acid Dressing via Sustained Releasing of bFGF for Enhancing Skin Wound Healing

被引：25

作者：

Chen, Anqi ^{[1
]}

Huang, Wen ^{[1
]}

Wu, Liang ^{[1
,2
]}

An, Ying ^{[1
]}

Xuan, Tengxiao ^{[1
]}

He, Huacheng ^{[3
]}

Ye, Mengqi ^{[3
]}

Qi, Lamei ^{[2
]}

Wu, Jiang ^{[1
]}

机构：

[1] Wenzhou Med Univ, Sch Pharmaceut Sci, Key Lab Biotechnol & Pharmaceut Engn, Wenzhou 325035, Zhejiang, Peoples R China

[2] Anqing Municipal Hosp, Anqing 246003, Anhui, Peoples R China

[3] Wenzhou Univ, Coll Chem & Mat Engn, Wenzhou 325027, Zhejiang, Peoples R China

来源：

ACS APPLIED BIO MATERIALS | 2020年 / 3卷 / 05期

关键词：

hyaluronic acid hydrogel; growth factor; ECM mimic; wound healing; control release; GROWTH-FACTORS; EXTRACELLULAR-MATRIX; CELL-PROLIFERATION; REGENERATION; EXPRESSION; HYDROGELS; DELIVERY; ULCERS; VEGF;

D O I：

10.1021/acsabm.0c00096

中图分类号：

TB3 [工程材料学];

学科分类号：

0805 ; 080502 ;

摘要：

Successful dermal wound regeneration requires the coordination of repair cells and cellular signals with the extracellular matrix (ECM), which serves as an indispensable mechanical and biological supporter for cell functions and communications with varied cytokines during healing processes. Here, we developed an injectable bioactive wound dressing, methacrylated hyaluronic acid (Me-HA)-based hydrogel loading with basic fibroblast growth factor (bFGF), endowing the dressing with the pleiotropic bioactivity to mimic natural ECM. This bFGF@Me-HA dressing was applied to a mouse with full-thickness excisional wounds to investigate its positive roles in wound repair owing to the complementary functions of HA with sustained release of bioactive bFGF. Compared with the single Me-HA and bFGF group, bFGF@Me-HA hydrogel dressings significantly enhanced wound healing with accelerated re-epithelialization, granulation formation, collagen, deposition and skin appendage regeneration. Further investigations showed significantly promoted cell proliferation and vascularization in the bFGF@Me-HA group, which was mediated by the upregulation of transforming growth factor-beta (TGF-beta) and vascular endothelial growth factor (VEGF) expressions. In conclusion, this bFGF@Me-HA hydrogel realized the optimization of simple ECM mimic dressing via introducing the bioactive effector, bFGF, and has the potential to be widely used as an effective bioactive ECM-based wound dressing in future wound care.

引用

页码：3039 / 3048

页数：10

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