期刊
INTERNATIONAL WOUND JOURNAL
卷 19, 期 3, 页码 679-691出版社
WILEY
DOI: 10.1111/iwj.13665
关键词
antibiotic; in vivo burn wound; injectable hydrogel; MTT assay; nanofillers
资金
- Heilongjiang Youth Science Foundation [QC2016101]
- Harbin Science and Technology Innovation Talents Research Foundation [2016 RAQXJ159, 2016 RAXYJ069]
- Heilongjiang Provincial Health and Family Planning Commission Research Project [2018-082]
The development of a carbon-based composite injectable silk fibroin hydrogel as a multifunctional wound dressing has been shown to effectively promote wound healing, providing anti-bacterial properties, cell compatibility, sustained drug delivery, antioxidant effects, and self-healing abilities. This hydrogel also enhances tissue adhesion and burn wound regeneration, making it a promising option for quick burn wound therapy and prevention of bacterial infections in the wound microenvironment.
The development of biologically active multifunctional hydrogel wound dressings can assist effectively to wound regeneration and also has influenced multiple functions on wound injury. Herein, we designed a carbon-based composited injectable silk fibroin hydrogel as multifunctional wound dressing to provide effective anti-bacterial, cell compatibility and in vivo wound closure actions. Importantly, the fabricated injectable hydrogel exhibit sustained drug delivery properties, anti-oxidant and self-healing abilities, which confirm that composition of hydrogel is highly beneficial to tissue adhesions and burn wound regeneration ability. Frequently, designed injectable hydrogel can be injected into deep and irregular burn wound sites and would provide rapid self-healing and protection from infection environment with thoroughly filled wound area. Meanwhile, incorporated carbon nanofillers improve injectable hydrogel strength and also offer high fluid uptake to hydrogel when applied on the wound sites. In vitro MTT cytotoxicity assay on human fibroblast cell lines establish outstanding cytocompatibility of the injectable hydrogel and also have capability to support cell growth and proliferations. In vivo burn wound animal model results demonstrate that the hydrogel dressings predominantly influenced enhanced wound contraction and also promoted greater collagen deposition, granulation tissue thickness and vascularization. This investigation's outcome could open a new pathway to fabricate multifunctional biopolymeric hydrogel for quicker burn wound therapy and effectively prevents microenvironment bacterial infections.
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