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创新抗菌纳米纤维:用于增强伤口愈合和生物膜破坏的天然整合

Innovative Antimicrobial Nanofibers: Natural Integrations for Enhanced Wound Healing and Biofilm Disruption.

作者信息

Abdelhakeem Eman, Attia Heba, Hashem Mona M, Khalek Mohamed A Abdel, Badr-Eldin Shaimaa M, Adel Islam M

机构信息

Department of Pharmaceutics and Industrial Pharmacy, Faculty of Pharmacy, Cairo University, Kasr El-Aini Street, Cairo, 11562, Egypt.

Microbiology and Immunology Department, Faculty of Pharmacy, Cairo University, Kasr El-Aini Street, Cairo, 11562, Egypt.

出版信息

AAPS PharmSciTech. 2025 Jul 1;26(6):181. doi: 10.1208/s12249-025-03178-5.


DOI:10.1208/s12249-025-03178-5
PMID:40593407
Abstract

Wound infections caused by multidrug-resistant bacteria present a substantial challenge in healthcare. Nanofibers, particularly when infused with natural extracts, are emerging as promising platforms for antimicrobial applications. This study investigates the potential of Anastatica hierochuntica extract-loaded electrospun nanofibers prepared with thermoplastic polyurethane for combating infections and promoting wound healing. Electrospinning was utilized to prepare nanofibers infused with Anastatica hierochuntica extract, resulting in uniform rod-shaped structures confirmed by scanning electron microscopy. The hydrophilicity of the nanofibers was assessed through water contact angle (WCA) measurements and swelling tests. Mechanical properties, including strain and stress were evaluated to determine suitability for drug delivery. The formulation with optimal properties, designated as NF20, underwent further investigation. Drug release profiles were analyzed over 72 h, and antimicrobial efficacy was tested against various pathogens, with comparisons made to Silymarin as a standard. A biofilm study evaluated the anti-virulence activity, while wound healing assays assessed the optimized extract loaded nanofibers potential in fostering tissue repair. The extract-loaded nanofibers exhibited enhanced hydrophilicity, with a WCA of 43.1 ± 0.6° and swelling of 216.67 ± 2.36% after 1 h. NF20 demonstrated superior mechanical properties, with strain and stress values of 67.6% and 0.0486 N/mm, respectively. The sustained release profile indicated 73.40 ± 1.31% release after 72 h. Antimicrobial tests revealed significant reductions in minimum inhibitory concentration, minimum bactericidal concentration, and minimum fungicidal concentration against key pathogens. The biofilm study confirmed extract loaded nanofiber's efficacy in inhibiting biofilm formation and disrupting established biofilms. These findings underscore the potential of the extract-loaded nanofiber composed of thermoplastic polyurethane as innovative wound dressings that enhance antimicrobial properties, promote accelerated healing and support tissue regeneration.

摘要

由多重耐药菌引起的伤口感染给医疗保健带来了巨大挑战。纳米纤维,特别是当注入天然提取物时,正成为抗菌应用中很有前景的平台。本研究调查了用热塑性聚氨酯制备的负载无叶假木贼提取物的电纺纳米纤维在对抗感染和促进伤口愈合方面的潜力。利用静电纺丝制备了负载无叶假木贼提取物的纳米纤维,扫描电子显微镜证实其具有均匀的棒状结构。通过水接触角(WCA)测量和溶胀试验评估了纳米纤维的亲水性。评估了包括应变和应力在内的力学性能,以确定其是否适合药物递送。对具有最佳性能的配方(称为NF20)进行了进一步研究。分析了72小时内的药物释放曲线,并针对各种病原体测试了抗菌效果,并与水飞蓟素作为标准进行了比较。一项生物膜研究评估了抗毒力活性,而伤口愈合试验评估了负载优化提取物的纳米纤维在促进组织修复方面的潜力。负载提取物的纳米纤维表现出增强的亲水性,1小时后的水接触角为43.1±0.6°,溶胀率为216.67±2.36%。NF20表现出优异的力学性能,应变和应力值分别为67.6%和0.0486 N/mm。持续释放曲线表明,72小时后释放率为73.40±1.31%。抗菌测试显示,对关键病原体的最低抑菌浓度、最低杀菌浓度和最低杀真菌浓度均显著降低。生物膜研究证实了负载提取物的纳米纤维在抑制生物膜形成和破坏已形成的生物膜方面的功效。这些发现强调了由热塑性聚氨酯组成的负载提取物的纳米纤维作为创新伤口敷料的潜力,这种敷料可增强抗菌性能、促进加速愈合并支持组织再生。

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本文引用的文献

[1]
Pioneering a New Era in Oral Cancer Treatment with Electrospun Nanofibers: A Comprehensive Insight.

Anticancer Agents Med Chem. 2025

[2]
Investigating the potential of highly porous zopiclone-loaded 3D electrospun nanofibers for brain targeting via the intranasal route.

Int J Pharm. 2024-7-20

[3]
An Advanced Review: Polyurethane-Related Dressings for Skin Wound Repair.

Polymers (Basel). 2023-11-1

[4]
Antibacterial biomaterials for skin wound dressing.

Asian J Pharm Sci. 2022-5

[5]
An asymmetric wettable PCL/chitosan composite scaffold loaded with IGF-2 for wound dressing.

J Biomater Appl. 2022-10

[6]
Electrospun fibers and their application in drug controlled release, biological dressings, tissue repair, and enzyme immobilization.

RSC Adv. 2019-8-15

[7]
Conventional and Recent Trends of Scaffolds Fabrication: A Superior Mode for Tissue Engineering.

Pharmaceutics. 2022-1-27

[8]
Latest Progress in Electrospun Nanofibers for Wound Healing Applications.

ACS Appl Bio Mater. 2019-3-18

[9]
Functionalized Antimicrobial Nanofibers: Design Criteria and Recent Advances.

J Funct Biomater. 2021-10-28

[10]
Photoactive electrospun cellulose acetate/polyethylene oxide/methylene blue and trilayered cellulose acetate/polyethylene oxide/silk fibroin/ciprofloxacin nanofibers for chronic wound healing.

Int J Biol Macromol. 2021-12-15

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