天然组织结构是由高度复杂化的组织微结构体组成,现今组织工程学的巨大挑战就是在体外重现这些微结构体的结构和功能.微构建技术为组织构建提供了一条新途径.对微工程化水凝胶技术作了相关的介绍,举例阐述了其中的微流体技术和微孔技术在形成细胞集落、促进细胞-细胞与细胞-细胞外基质间作用等方面的影响.此外,还提出了一种通过自下而上的构建方式制备水凝胶微结构的新技术,利用微囊化细胞与生物凝胶材料进行体外组织工程构建.
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