生物催化氧化生成水凝具有增强的抗炎,细胞迁移和血管新生能力,用于伤口愈合应用
Phuong Le Thi1,2, Dieu Linh Tran2,3, Kyung Min Park4
1Institute of Applied Materials Science, Vietnam Academy of Science and Technology, No. 1B - TL29 Street, Thanh Loc Ward, 12th District, Ho Chi Minh City 700000, Vietnam. ltphuong@iams.vast.vn.
Journal of materials chemistry. B
|January 22, 2024
概括
新型释放氧化 (NO) 的基促进伤口愈合,通过控制炎症和增强血管形成. 这些先进的材料为慢性伤口提供了有希望的解决方案,改善了治疗结果.
科学领域:
- 生物材料科学 生物材料科学
- 再生医学是一种再生医学.
- 伤口治愈研究研究 伤口治愈研究
背景情况:
- 伤口愈合通常受到感染和炎症等因素的阻碍,导致慢性伤口.
- 释放氧化 (NO) 的可注射水凝,由于其有益的特性,对伤口治疗有希望.
- 现有的NO疗法面临着短储存/释放时间和不受控制的释放的挑战.
研究的目的:
- 开发新的多功能NO释放水凝,以改善伤口愈合.
- 为了研究水凝调节血液静止,炎症,细胞增殖和血管生成的能力.
- 通过实现可控,持续的NO释放来解决当前NO疗法的局限性.
主要方法:
- 将铜纳米颗粒 (NP) 纳入双酶交联的凝水凝 (GH/Cu).
- 在血液中通过铜催化分解内源性S-尼特罗斯醇 (RSNO) 在位生成NO.
- 用"体外"和"卵内"试验评估内皮细胞增殖/迁移,巨细胞极化和血管生成.
主要成果:
- GH/Cu水凝成功地在现场产生了NO,克服了储存和释放的限制.
- 从水凝中释放的NO促进了内皮细胞的增殖和迁移.
- 水凝促进了M2抗炎性巨细胞的两极分化,并显著增强了血管生成 (新血管化).
结论:
- 开发的无释放凝水凝系统有效调节关键的伤口愈合过程.
- 水凝基质的协同效应和持续的NO释放加速了伤口的关闭.
- 这些先进的水凝材料显示出作为改善愈合的治疗性伤口带的巨大潜力.
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