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中华口腔医学研究杂志(电子版) ›› 2011, Vol. 5 ›› Issue (02) : 126 -131. doi: 10.3877/cma.j.issn.1674-1366.2011.02.003

基础研究

大鼠骨髓间充质细胞诱导成骨的体内外研究
盛士虎1, 何倩婷1, 刘中华1, 王安训1,()   
  1. 1.510080 广州,中山大学附属第一医院口腔科
  • 收稿日期:2010-05-05 出版日期:2011-04-01
  • 通信作者: 王安训
  • 基金资助:
    留学回国人员科研启动基金[教外司留(2008)890 号]

Osteogenesis of rat bone marrow stromal cells in vitro and in vivo

Shi-hu SHENG1, Qian-ting HE1, Zhong-hua LIU1, An-xun WANG1,()   

  1. 1.Department of Oral and Maxillofacial Surgery, The First Affiliated Hospital, Sun Yat-sen University, Guangzhou 510080, China
  • Received:2010-05-05 Published:2011-04-01
  • Corresponding author: An-xun WANG
引用本文:

盛士虎, 何倩婷, 刘中华, 王安训. 大鼠骨髓间充质细胞诱导成骨的体内外研究[J/OL]. 中华口腔医学研究杂志(电子版), 2011, 5(02): 126-131.

Shi-hu SHENG, Qian-ting HE, Zhong-hua LIU, An-xun WANG. Osteogenesis of rat bone marrow stromal cells in vitro and in vivo[J/OL]. Chinese Journal of Stomatological Research(Electronic Edition), 2011, 5(02): 126-131.

目的

研究大鼠骨髓间充质细胞(BMSCs)体内外成骨的能力。

方法

分离大鼠BMSCs,将原代细胞分别应用普通培养基(CM)、成骨诱导培养基(OM)诱导培养。 应用碱性磷酸酶(ALP)活性和钙结节染色法检测体外成骨分化能力。 建立裸鼠成骨模型,测定体内成骨能力。

结果

OM 组可明显诱导BMSCs 成骨分化,表现出高水平的ALP 活性和基质矿化能力。OM 加骨粉组裸鼠培养8 周后,镜下观察到广泛的新骨形成,而单纯OM 组或骨粉组未见成骨。

结论

OM 可明显诱导BMSCs 体外成骨分化,与骨粉联合应用能诱导体内异位骨形成。

Objective

Observing the osteogenesis of rat bone marrow stromal cells(BMSCs) in osteogenic medium in vitro and in vivo.

Methods

BMSCs were harvested from rats and induced in control medium (CM) and osteogenic medium (OM).Alkaline phosphatase (ALP)activity assay and von Kossa staining were used to assess the osteogenic differentiation.In vivo OM induced BMSCs were seeded with osteostimulative scaffold PerioGlas and implanted into subcutaneous nude mice to assess the ability of bone formation.

Results

BMSCs underwent osteogenic differentiation in osteogenic medium, showed higher level of ALP activity and matrix mineralization.Extensive neo-bone formation was observed after 8 weeks of implantation in PerioGlas with OM induced BMSCs.

Conclusions

BMSCs cultured in osteogenic medium commits to osteoblastic differentiation in vitro and induced ectopic bone formation with PerioGlas in vivo.

图1 碱性磷酸酶活性检测结果
表1 碱性磷酸酶活性检测结果(x±s,IU/L)
图2 BMSCs 应用CM、OM 培养基培养后钙结节染色结果(×200) A:CM 组; B:OM 组
图3 BMSCs 体内诱导成骨结果(HE 染色) A:骨粉组(×200); B:CM 加骨粉组(×200); C:OM 加骨粉组(×400)
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