仿生心肌微环境介导的材料生物学研究

doi:10.3969/j.issn.1000-8535.2024.05.001

摘要/Abstract

摘要： 心肌梗死是由冠状动脉阻塞所引起的心肌缺氧坏死,其发病率和病死率居高不下。近年研究发现,利用组织工程手段仿生构建心肌微环境能有效改善心肌梗死区微环境,对心肌的再生能力有着重要的调控作用,能在一定程度上促进心肌再生,有望成为将来治疗心肌梗死的新方向。然而,由于对仿生心肌微环境和机体微环境交互作用、引发的生物学效应及作用机制不清楚,直接影响心肌损伤修复的过程和质量。因此,阐明仿生心肌微环境在心肌损伤修复过程中的交互作用过程及其介导的生物学效应迫在眉睫。该文系统性综述了仿生心肌微环境的构建策略及植入体内后介导的生物学效应,包括免疫调控效应、促血管再生效应以及再生协同效应等,为新型心肌补片的仿生设计和临床应用提供理论支持。

关键词: 仿生, 心肌微环境, 心肌梗死, 材料生物学

Abstract: Myocardial infarction（MI）,arising from coronary artery obstruction resulting in hypoxic necrosis of myocardium,remains high morbidity and mortality．Recent studies have revealed that constructing myocardial microenvironment bionically through tissue engineering methods can effectively ameliorate the microenvironment in the infarcted area and exert a crucial regulatory role in myocardial regeneration,which promotes myocardial regeneration to a certain extent and holds promise for the treatment of MI．However,the interaction between biomimetic myocardial microenvironment and host microenvironment,as well as the triggered biological effects and mechanisms are not clear,which directly affects the process and quality of myocardial repair．Therefore,it is urgent to clarify the interaction process and biological effects mediated by the biomimetic myocardial microenvironment during myocardial repair．This review systematically summarizes the construction strategies of biomimetic myocardial microenvironment and their mediated biological effects after implantation,including immunomodulatory effects,pro-vascular regenerative effects,and regenerative synergistic effects,which provides theoretical support for the biomimetic design and clinical application of novel cardiac patches．

Key words: biomimetic, myocardial microenvironment, myocardial infarction, materiobiology

丁成斌, 邵子怡, 曾钰婷, 宋咏怡, 章文俊, 王乐禹. 仿生心肌微环境介导的材料生物学研究[J]. 广州医药, 2024, 55(5): 448-456.

DING Chengbin, SHAO Ziyi, ZENG Yuting, SONG Yongyi, ZHANG Wenjun, WANG Leyu. Materiobiology research mediated by biomimetic myocardial microenvironment[J]. Guangzhou Medical Journal, 2024, 55(5): 448-456.

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