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重组人甲状旁腺激素对SLA纯钛表面MC3T3-E1细胞黏附的影响

Qilin Fu, Zhongyan Zhu,Min Liu

Acta Universitatis Medicinalis Anhui(2019)

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Abstract
目的 体外研究重组人甲状旁腺激素[rhPTH(1-34)]对MC3T3-E1细胞在大颗粒喷砂酸蚀(SLA)处理纯钛表面黏附的影响.方法 通过CCK8法确定rhPTH(1-34)的最隹作用浓度,将MC3T3-E1细胞分为用含最适浓度rhPTH(1-34)培养基处理的实验组和用空白培养基处理的对照组,并分别接种于SLA处理的钛片上.用DAPI免疫荧光染色法、扫描电镜、RT-PCR对钛片表面黏附的MC3T3-E1细胞进行细胞计数,观察其形态学变化并测定MC313-E1细胞整合素α1、α5、β1 mRNA的表达情况.结果 实验组成骨细胞的黏附数量较对照组多,肌动蛋白微丝的重构、细胞形态变化以及在钛片上黏附与伸展的速度较对照组更快,骨细胞整合素亚基α1、α5、β1表达高于对照组.结论 rhPTH(1-34)能促进MC3T3-E1细胞在纯钛表面的的黏附.
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Key words
human recombinant parathyroid hormone (1-34),MC3T3-E1 cell,adhesion,integrin
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