Electroactive Biomaterials Regulate the Electrophysiological Microenvironment to Promote Bone and Cartilage Tissue Regeneration

软骨 再生(生物学) 骨组织 骨愈合 材料科学 生物医学工程 细胞外基质 组织工程 细胞生物学 神经科学 解剖 医学 生物
作者
Li Chen,Jianye Yang,Zhengwei Cai,Yanran Huang,Pengcheng Xiao,Juan Wang,Fan Wang,Wei Huang,Wenguo Cui,Ning Hu
出处
期刊:Advanced Functional Materials [Wiley]
卷期号:34 (23) 被引量:8
标识
DOI:10.1002/adfm.202314079
摘要

Abstract The incidence of large bone and articular cartilage defects caused by traumatic injury is increasing worldwide; the tissue regeneration process for these injuries is lengthy due to limited self‐healing ability. Endogenous bioelectrical phenomenon has been well recognized to play an important role in bone and cartilage homeostasis and regeneration. Studies have reported that electrical stimulation (ES) can effectively regulate various biological processes and holds promise as an external intervention to enhance the synthesis of the extracellular matrix, thereby accelerating the process of bone and cartilage regeneration. Hence, electroactive biomaterials have been considered a biomimetic approach to ensure functional recovery by integrating various physiological signals, including electrical, biochemical, and mechanical signals. This review will discuss the role of endogenous bioelectricity in bone and cartilage tissue, as well as the effects of ES on cellular behaviors. Then, recent advances in electroactive materials and their applications in bone and cartilage tissue regeneration are systematically overviewed, with a focus on their advantages and disadvantages as tissue repair materials and performances in the modulation of cell fate. Finally, the significance of mimicking the electrophysiological microenvironment of target tissue is emphasized and future development challenges of electroactive biomaterials for bone and cartilage repair strategies are proposed.
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