Tang Xiao, Li Li, You Gehang, Li Xinyi, Kang Jian
Department of Proctology, Hospital of Chengdu University of Traditional Chinese Medicine, Chengdu, Sichuan, China.
School of Clinical Medicine, Chengdu University of Traditional Chinese Medicine, Chengdu, Sichuan, China.
Front Bioeng Biotechnol. 2023 Nov 3;11:1283771. doi: 10.3389/fbioe.2023.1283771. eCollection 2023.
Wound healing is a dynamic and complex restorative process, and traditional dressings reduce their therapeutic effectiveness due to the accumulation of drugs in the cuticle. As a novel drug delivery system, microneedles (MNs) can overcome the defect and deliver drugs to the deeper layers of the skin. As the core of the microneedle system, loaded drugs exert a significant influence on the therapeutic efficacy of MNs. Metallic elements and herbal compounds have been widely used in wound treatment for their ability to accelerate the healing process. Metallic elements primarily serve as antimicrobial agents and facilitate the enhancement of cell proliferation. Whereas various herbal compounds act on different targets in the inflammatory, proliferative, and remodeling phases of wound healing. The interaction between the two drugs forms nanoparticles (NPs) and metal-organic frameworks (MOFs), reducing the toxicity of the metallic elements and increasing the therapeutic effect. This article summarizes recent trends in the development of MNs made of metallic elements and herbal compounds for wound healing, describes their advantages in wound treatment, and provides a reference for the development of future MNs.
伤口愈合是一个动态且复杂的修复过程,传统敷料由于药物在角质层的积累而降低了其治疗效果。作为一种新型药物递送系统,微针(MNs)可以克服这一缺陷并将药物递送至皮肤深层。作为微针系统的核心,负载的药物对微针的治疗效果有重大影响。金属元素和草药化合物因其能够加速愈合过程而被广泛应用于伤口治疗。金属元素主要作为抗菌剂并促进细胞增殖的增强。而各种草药化合物在伤口愈合的炎症、增殖和重塑阶段作用于不同靶点。两种药物之间的相互作用形成纳米颗粒(NPs)和金属有机框架(MOFs),降低了金属元素的毒性并提高了治疗效果。本文总结了由金属元素和草药化合物制成的用于伤口愈合的微针的最新发展趋势,描述了它们在伤口治疗中的优势,并为未来微针的开发提供参考。
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