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纯钛表面接枝RGD肽对成骨细胞早期附着铺展生物学行为的影响 被引量:2

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摘要 目的:评价RGD肽修饰的纯钛表面对原代大鼠成骨细胞早期生长附着铺展的影响。方法:利用分子自组装技术在纯钛表面引入活性氨基,化学接枝GYRGDS肽,间接免疫荧光染色技术观察黏附早期材料表面细胞骨架蛋白肌动蛋白(actin)和黏着斑蛋白细胞内黏着斑蛋白(vinculin)表达分布情况。结果:黏附肽修饰后的材料表面细胞早期附着更快,铺展形态更加充分。结论:采用分子自组装活性RGD肽修饰后的纯钛表面对成骨细胞早期附着铺展等生物学行为有明显改善。
出处 《实用医学杂志》 CAS 北大核心 2010年第6期952-953,共2页 The Journal of Practical Medicine
基金 国家自然科学基金资助项目(编号:30500569) 广东省医学科学技术研究基金资助项目(编号:B2009027)
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