心肌组织工程支架材料研究进展

RESEARCH PROGRESS OF MYOCARDIAL TISSUE ENGINEERING SCAFFOLD MATERIALS

目的对心肌组织工程支架材料的研究现状与存在问题进行综述,并展望其前景。方法广泛查阅近年来有关心肌组织工程支架材料的文献,并进行综述。结果作为组织工程中的三大要素之一,合适的支架材料对种子细胞的生长和分化具有重要意义;在心肌组织工程领域,生物支架材料和人工合成支架能够通过其内的活性成分仿生细胞外基质(extracellular matrix,ECM)的结构和功能特点;随着去细胞技术的不断更新,自然源性的ECM已经表现出巨大优势。结论采用复合支架原理,利用计算机和纳米高分子技术等高科技,结合传统心肌组织工程支架生物材料,对生物材料进行表面修饰,有望为心肌组织工程提供较理想的支架材料。

Objective To review the current status and problems in the developing scaffolds for the myocardial tissue engineering appl ication. Methods The l iterature concerning the myocardial tissue engineering scaffold in recent years was reviewed extensively and summarized. Results As one of three elements for tissue engineering, a proper scafold is very important for the prol iferation and differentiation of the seeding cells. The naturally derived and synthetic extracellular matrix （ECM） materials aim to closely resemble the in vivo microenvironment by acting as an active component of the developing tissue construct in myocardial tissue engineering. With the advent and continuous refinement of cell removal techniques, a new class of native ECM has emerged with some striking advantages. Conclusion Through using the principle of composite scaffold, computers and other high-technology nano-polymer technology, surface modification of traditional biological materials in myocardial tissue engineering are expected to provide ideal myocardial scaffolds.