Endogenous electric field-driven neuro-immuno-regulatory scaffold for effective diabetic wound healing

IF 18 1区医学 Q1 ENGINEERING, BIOMEDICAL Bioactive Materials Pub Date : 2025-01-25 DOI:10.1016/j.bioactmat.2025.01.024

Zhiqing Liu , Tianlong Wang , Jinhui Zhao , Lei Zhang , Yiping Luo , Yixing Chen , Xinhui Wu , Yaqi Liu , Aihemaitijiang Aierken , Dilixiati Duolikun , Hui Jiang , Xinyu Zhao , Chang Li , Yingchuan Li , Wentao Cao , Jianzhong Du , Longpo Zheng

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引用次数: 0

Abstract

The pathological microenvironment in diabetic wounds is delineated by heightened inflammatory responses and persistent proinflammatory macrophage activity, which significantly hinders the wound healing process. Exogenous electrical stimulation (ES), by modulating the electric field distribution in wounds, has shown significant potential in treating inflammatory wounds. However, this approach relies on additional power sources and complex circuit designs. Here, a bionic neuro-immuno-regulatory (BNIR) system was proposed for reshaping the endogenous electric fields (EFs) through collecting ion flow. The BNIR system comprises microporous structure scaffolds and nanosheets, enabling swift biofluid collection and electrical signal transmission, with the ability to promote cell proliferation and migration and exhibit antioxidant properties. More importantly, the BNIR system induced the transition of M1 macrophages to M2 macrophages through neuro-immuno-regulatory. In diabetic rat skin wounds, the BNIR system significantly enhanced healing by simultaneously neuro-immuno-regulatory, promoting angiogenesis, scavenging ROS, and facilitating tissue remodeling. This work aims to advance the development of a bionic system for electrosensitive tissue repair.

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来源期刊

Bioactive Materials Biochemistry, Genetics and Molecular Biology-Biotechnology

CiteScore

28.00

自引率

6.30%

发文量

436

审稿时长

20 days

期刊介绍： Bioactive Materials is a peer-reviewed research publication that focuses on advancements in bioactive materials. The journal accepts research papers, reviews, and rapid communications in the field of next-generation biomaterials that interact with cells, tissues, and organs in various living organisms. The primary goal of Bioactive Materials is to promote the science and engineering of biomaterials that exhibit adaptiveness to the biological environment. These materials are specifically designed to stimulate or direct appropriate cell and tissue responses or regulate interactions with microorganisms. The journal covers a wide range of bioactive materials, including those that are engineered or designed in terms of their physical form (e.g. particulate, fiber), topology (e.g. porosity, surface roughness), or dimensions (ranging from macro to nano-scales). Contributions are sought from the following categories of bioactive materials: Bioactive metals and alloys Bioactive inorganics: ceramics, glasses, and carbon-based materials Bioactive polymers and gels Bioactive materials derived from natural sources Bioactive composites These materials find applications in human and veterinary medicine, such as implants, tissue engineering scaffolds, cell/drug/gene carriers, as well as imaging and sensing devices.