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含聚集诱导发光剂的抗菌抗微生物肽接枝透明质酸/丝素蛋白/海藻酸钠伤口敷料用于感染伤口治疗

Antibacterial Antimicrobial Peptide Grafted HA/SF/Alg Wound Dressing Containing AIEgens for Infected Wound Treating.

作者信息

Lin Yize, Tan Yan, Deng Rong, Gong Li, Feng Xiaoshan, Cai Zhongqi, He Yanxian, Feng Longbao, Cheng Biao, Chen Yi

机构信息

Graduate School, Guangzhou University of Traditional Chinese Medicine, Guangzhou 510006, P. R. China.

Department of Cadre Ward, General Hospital of Southern Theater Command, PLA, Guangzhou 510010, P. R. China.

出版信息

ACS Omega. 2024 May 21;9(22):23499-23511. doi: 10.1021/acsomega.4c00649. eCollection 2024 Jun 4.

Abstract

Chronic wounds are characterized with excessive biofluid and persistent infection. Therefore, there is an urgent desire to develop a multifunctional wound dressing that can meet the extreme requirements including effective antibacterial and powerful wound microenvironment regulation and protection function to promote wounds heal quickly. In this study, a multifunctional composite dressing (HA-AMP/SF/Alg/Rb-BG-AIEgens) was synthesized by combining a mesoporous bioactive glass framework loaded with AIEgens (Rb-BG-AIEgens) with cross-linked antimicrobial peptide grafted hyaluronic acid (HA-AMP), sodium alginate (Alg), and silk fibroin (SF). It is important to note that the Rb-BG-AIEgens can achieve real-time and sensitive bacterial detection. HA-AMP can achieve broad spectrum antibacterial and avoid the residue of drug-resistant bacteria. The HA-AMP/SF/Alg/Rb-BG-AIEgens dressing can up-regulate related proliferative proteins, thereby promoting regeneration of tissue and the rapid healing of chronic wounds. With good biocompatibility and antibacterial ability, HA-AMP/SF/Alg/Rb-BG-AIEgens dressing has great potential to become a next generation wound dressing for clinical biological fluid management and chronic bacterial infection treatment.

摘要

慢性伤口的特征是生物流体过多且持续感染。因此,迫切需要开发一种多功能伤口敷料,以满足包括有效抗菌、强大的伤口微环境调节和保护功能等极端要求,从而促进伤口快速愈合。在本研究中,通过将负载聚集诱导发光剂(Rb-BG-AIEgens)的介孔生物活性玻璃框架与交联抗菌肽接枝透明质酸(HA-AMP)、海藻酸钠(Alg)和丝素蛋白(SF)相结合,合成了一种多功能复合敷料(HA-AMP/SF/Alg/Rb-BG-AIEgens)。需要注意的是,Rb-BG-AIEgens可以实现实时且灵敏的细菌检测。HA-AMP可以实现广谱抗菌并避免耐药菌残留。HA-AMP/SF/Alg/Rb-BG-AIEgens敷料可以上调相关增殖蛋白,从而促进组织再生和慢性伤口的快速愈合。具有良好的生物相容性和抗菌能力,HA-AMP/SF/Alg/Rb-BG-AIEgens敷料极有潜力成为用于临床生物流体管理和慢性细菌感染治疗的下一代伤口敷料。

https://cdn.ncbi.nlm.nih.gov/pmc/blobs/fc0e/11154921/f0fb090d2905/ao4c00649_0001.jpg

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