Abstract

随着材料学和分子生物学的发展,运用组织工程技术修复标准骨缺损成为当前的研究热点[1].但在大体积骨缺损修复重建时,组织工程骨的血管化问题是制约其最终治疗效果的关键因素.骨组织工程研究中血管化问题的重要性日益彰显,而当组织工程骨的厚度超过100μm时,在体内构建能为细胞提供氧、营养及去除代谢废物的功能性血管会面临重大挑战[2].因此,血运重建被认为是骨组织工程继种子细胞、支架材料、细胞因子三大要素之后的第四大要素.现就血管化组织工程骨研究的最新进展综述。

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