Design properties of hydrogel tissue-engineering scaffolds.

Design properties of hydrogel tissue-engineering scaffolds.
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水凝胶组织工程支架的设计特性。

DOI:
10.1586/erd.11.27
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发表时间:
2011-09
影响因子:
3.1
通讯作者:
Marchant RE
Marchant RE
中科院分区:
工程技术3区
文献类型:
--
作者:
Zhu J;Marchant RE

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本文综述了近年来水凝胶作为组织工程支架材料的设计与合成研究进展。水凝胶由于其高度溶胀的网络结构、包封细胞和生物活性分子的能力以及有效的传质而成为有吸引力的支架材料。各种聚合物,包括天然聚合物、合成聚合物和天然/合成混合聚合物,已用于通过化学或物理交联制备水凝胶。最近,生物活性合成水凝胶已成为有前途的支架,因为它们可以提供分子定制的生物功能和可调节的机械性能,以及细胞生长和组织形成的细胞外基质样微环境。本文讨论了各种策略,已探索设计合成水凝胶与细胞外基质模拟生物活性的特性,如细胞粘附,蛋白水解降解和生长因子结合。
This article summarizes the recent progress in the design and synthesis of hydrogels as tissue-engineering scaffolds. Hydrogels are attractive scaffolding materials owing to their highly swollen network structure, ability to encapsulate cells and bioactive molecules, and efficient mass transfer. Various polymers, including natural, synthetic and natural/synthetic hybrid polymers, have been used to make hydrogels via chemical or physical crosslinking. Recently, bioactive synthetic hydrogels have emerged as promising scaffolds because they can provide molecularly tailored biofunctions and adjustable mechanical properties, as well as an extracellular matrix-like microenvironment for cell growth and tissue formation. This article addresses various strategies that have been explored to design synthetic hydrogels with extracellular matrix-mimetic bioactive properties, such as cell adhesion, proteolytic degradation and growth factor-binding.
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