期刊
BIOMATERIALS ADVANCES
卷 133, 期 -, 页码 -出版社
ELSEVIER
DOI: 10.1016/j.msec.2021.112604
关键词
Injectable hydrogel; Skin tissue regeneration; In flammatory; Angiogenesis
资金
- National Natural Science Foundation of China [U2004164]
An injectable hydrogel has been developed for the treatment of acute skin injuries. The hydrogel exhibits good injectability, hemostatic properties, and has shown potential for promoting tissue regeneration in both in vitro and in vivo studies.
Acute skin injury should be treated in time, due to many factors will affect the normal healing process of wounds, hinder tissue regeneration, and eventually form chronic wounds. Herein, an injectable, in-situ gel-forming hydrogel has been fabricated. The hydrogel is stabilized by dynamic Schiff base and composed of gelatin (Gel), oxidized dextran (Odex) and apocynin (Apo). In vitro studies have shown that this hydrogel has good injectability, plasticity, selfhealing and efficient hemostatic properties. The hydrogel has good cytocompatibility with HaCaT and L929 cells by the Live/Dead cell staining. Furthermore, in vivo studies have shown that hydrogel loaded with APO can accelerate angiogenesis and skin tissue regeneration by reducing wound inflammation. Therefore, the injectable Gel/Odex/ Apo hydrogel has the advantages of simple preparation process, convenient use and multifunction, etc., it is a promising wound dressing for full-thickness skin repair and has great potential in the field of skin tissue regeneration.
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