Novel Sprayable Antioxidative Dressing Based on Fullerene and Curdlan for Accelerating Chronic Wound Healing

生物相容性 柯德兰 伤口愈合 慢性伤口 炎症 医学 活性氧 化学 材料科学 外科 生物化学 免疫学 有机化学 多糖
作者
Yiwen Pan,Yuxuan Qi,Chenglong Fei,Zihang Feng,Yuguo Ma,Chunru Wang,Jingfen Han
出处
期刊:Macromolecular Rapid Communications [Wiley]
卷期号:45 (17)
标识
DOI:10.1002/marc.202400240
摘要

Abstract The effective treatment of chronic wounds represents a critical global medical challenge demanding urgent attention. Persistent inflammation, driven by an excess of reactive oxygen radicals, sets in motion a detrimental cycle leading to chronic wounds and impeding the natural healing process. This study develops a sprayable wound dressing by covalently grafting amino fullerene to carboxymethylated curdlan (CMC‐C). This novel dressing exhibits excellent biocompatibility, antioxidant, and reactive oxygen species scavenging properties. Furthermore, it demonstrates a targeted affinity for HEK‐a cells, efficiently reducing the inflammatory response while promoting cell proliferation and migration in vitro. Moreover, the animal experiment investigations reveal that CMC‐C significantly accelerates chronic wounds healing by regulating the inflammatory process, promoting collagen deposition, and improving vascularization. These results demonstrate the potential of the sprayable dressing (CMC‐C) in curing the healing of chronic wounds through the modulation of the inflammatory microenvironment. Overall, the sprayable hydrogel dressing based on water‐soluble derivative of fullerene and curdlan emerges as a potential approach for clinical applications in the treatment of chronic wounds.
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