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再生丝素蛋白膜作为人嗅鞘细胞移植支架的研究 被引量:1

Research on Regenerated Silk Fibroin Fil mas a Transplant Scaffold for Human Olfactory Ensheathing Cells
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摘要 探讨再生丝素蛋白膜对人嗅鞘细胞(hOECs)生物学特性的影响。人嗅鞘细胞接种在再生丝素蛋白膜上,取不同时相的细胞做下列实验。72 h固定,用免疫荧光染色技术观察人嗅鞘细胞的标志蛋白NT-3、S-100、GFAP、NGFRp75,用电子显微镜观察细胞在再生丝素蛋白膜上的生长状况;分别于48、72、96 h提取总蛋白,用免疫印迹法分析人嗅鞘细胞标志蛋白的表达情况;用MTT法分析细胞在再生丝素蛋白膜上的生长曲线。hOECs在再生丝素蛋白膜上能够很好地附着、铺展、生长,嗅鞘细胞的形态大多为梭形,嗅鞘细胞标志蛋白NT-3、NGFRp75、S-100及GFAP均呈免疫反应阳性,且免疫印迹结果与形态学结果一致;电镜结果显示,再生丝素蛋白膜的表面微纳结构适于细胞贴附、铺展;嗅鞘细胞在再生丝素蛋白膜上的生长曲线与培养板上无明显差异。再生丝素蛋白膜适合人嗅鞘细胞的贴附、增殖、生长,再生丝素蛋白膜与hOECs有较好的相容性,可以作为hOECs生长的候选组织工程支架用于修复神经损伤。
出处 《中国生物医学工程学报》 CAS CSCD 北大核心 2009年第4期632-636,共5页 Chinese Journal of Biomedical Engineering
基金 国家重点基础研究发展(973)计划(2005CB623906) 国家自然科学基金(30570981)
关键词 人嗅鞘细胞 再生丝素蛋白膜 神经损伤 human olfactory ensheathing ceils regenerated silk fibroin film nerve injury
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参考文献15

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