插头框旋转录因子C2转染BMSCs后成骨作用的研究

被引：1

作者：

尤武林 ^{[1
]}

王建伟 ^{[1
]}

黄桂成 ^{[2
]}

徐兵 ^{[1
]}

机构：

[1] 南京中医药大学无锡附属医院骨科

[2] 南京中医药大学

来源：

中国矫形外科杂志 | 2017年 / 25卷 / 11期

关键词：

Foxc2基因; 骨髓间充质干细胞; 成骨分化;

D O I：

暂无

中图分类号：

R681.8 [下肢骨];

学科分类号：

100220 [骨科学];

摘要：

[目的]观察过表达Foxc2基因对兔骨髓间充质干细胞(BMSCs)增殖及成骨分化的影响。[方法]构建携带Foxc2和绿色荧光蛋白(GFP)基因的重组慢病毒表达载体,分离、培养兔BMSCs,分别以Lenti-GFP(GFP组)、Lenti-Foxc2(Foxc2组)转染BMSCs,另设未转染BMSCs对照组。MTT法检测过表达Foxc2对细胞增殖能力;Western blot、Real time PCR检测转染后7d各组细胞Foxc2蛋白、m RNA表达;以及转染后1、2、4周各组细胞骨钙蛋白(OCN)、骨桥蛋白(OPN)、一型胶原(COLⅠ)蛋白及m RNA表达;转染后2周,各组行碱性磷酸酶(ALP)染色和ALP活性检测。[结果]Foxc2组Foxc2 m RNA和蛋白高效表达;对照组、GFP组无Foxc2 m RNA及蛋白表达;MTT法检测示过表达Foxc2对BMSCs的增殖未产生显著影响;Foxc2组OCN、OPN、COLⅠm RNA和蛋白表达显著高于其他组(P<0.01),余组比较差异无统计学意义(P>0.05);Foxc2组ALP染色阳性区域大于其余两组;ALP活性显著高于其他各组(P<0.01)。[结论]过表达Foxc2不影响细胞增殖,可持续表达基因产物,并可促进BMSCs向成骨细胞分化。

引用

收藏

页码：1025 / 1032

页数：8

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