功能性自组装纳米多肽水凝胶负载脂肪间充质干细胞的研究
Chinese Journal of Experimental Surgery(2015)
Abstract
目的 观察功能性自组装多肽的理化性质、自组装成水凝胶特性及对细胞进行三维培养.方法 合成RADA、RGD、KLT 3种多肽并制备RAD/KLT/RGD多肽混合溶液,盐溶液诱发多肽溶液自组装成水凝胶.原代培养脂肪间充质干细胞并对其进行鉴定,使用水凝胶对其三维培养来观察其在水凝胶中的生长,并设置RAD/KLT水凝胶组做对比.结果 多肽溶液成功自组装成水凝胶,干细胞在三维培养中迁移、分化并有成管腔的趋势,RAD/KLT/RGD水凝胶[(87.75±4.79)个细胞/视野]较对比组[(65.50±6.25)个细胞/视野]黏附生长了更多的细胞(P<0.05).结论 RAD/KLT/RGD功能性自组装纳米多肽水凝胶是一种更为优良的组织工程框架材料.
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Key words
Functionalized self-assembling peptide,Hydrogel,Adipose derived mesenchymal stem cells,Tissue engineer
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