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用于伤口愈合的植物基薄膜和水凝胶

Plant-Based Films and Hydrogels for Wound Healing.

作者信息

Lopes Ana I, Pintado Maria M, Tavaria Freni K

机构信息

Centro de Biotecnologia e Química Fina-Laboratório Associado, Escola Superior de Biotecnologia, Universidade Católica Portuguesa/Porto, Rua Diogo Botelho, 1327, 4169-005 Porto, Portugal.

出版信息

Microorganisms. 2024 Feb 21;12(3):438. doi: 10.3390/microorganisms12030438.

Abstract

Skin is constantly exposed to injury and infectious agents that can compromise its structural integrity and cause wounds. When this occurs, microorganisms from the skin microbiota and external bacteria and fungi can penetrate the wound and cause an infection, which complicates the healing process. Nowadays, there are several types of wound dressings available to treat wounds, some of which are incorporated with antimicrobial agents. However, the number of microorganisms resistant to these substances is rising. Therefore, the search for new, natural alternatives such as essential oils (EOs) and plant extracts (PEs) is on the rise. However, these substances present some limitations (poor bioavailability and poor target capacity), which limits their efficiency. Their incorporation in formulations in the form of films and hydrogels (HGs) can help to overcome these issues and may be a potential alternative to the current treatments. HGs and films incorporated with PEs and EOs have antimicrobial activity, promote the viability of skin cells and fibroblast migration, and are non-toxic and biocompatible. This review discusses the use of films and HGs for the topical delivery of EOs and PEs for wound treatment and their formulations as effective wound dressings, while debating some mechanisms and biological properties to elucidate their presumptive clinical relevance and possible applications.

摘要

皮肤不断受到损伤和感染因子的侵袭,这些因素会损害其结构完整性并导致伤口。当这种情况发生时,皮肤微生物群中的微生物以及外部细菌和真菌会侵入伤口并引发感染,这会使愈合过程变得复杂。如今,有几种类型的伤口敷料可用于治疗伤口,其中一些含有抗菌剂。然而,对这些物质具有抗性的微生物数量正在增加。因此,对诸如精油(EOs)和植物提取物(PEs)等新型天然替代品的研究正在兴起。然而,这些物质存在一些局限性(生物利用度低和靶向能力差),这限制了它们的功效。将它们以薄膜和水凝胶(HGs)的形式纳入配方中有助于克服这些问题,并且可能是当前治疗方法的潜在替代方案。含有PEs和EOs的HGs和薄膜具有抗菌活性,可促进皮肤细胞的活力和成纤维细胞迁移,并且无毒且具有生物相容性。本综述讨论了使用薄膜和HGs局部递送EOs和PEs用于伤口治疗及其作为有效伤口敷料的配方,同时探讨了一些机制和生物学特性,以阐明它们假定的临床相关性和可能的应用。

https://cdn.ncbi.nlm.nih.gov/pmc/blobs/1a42/10972459/fc26dba5dbb6/microorganisms-12-00438-g001.jpg

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