华西口腔医学杂志

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人重组骨形成蛋白-2诱导NIH3T3细胞向成骨细胞表型转化

王军琳,刘源,金岩,王新文,李媛   

  1. 第四军医大学口腔医学院组织病理学教研室,陕西西安710032
  • 收稿日期:2004-10-25 修回日期:2004-10-25 出版日期:2004-10-20 发布日期:2004-10-20
  • 通讯作者: 王军琳,Te1:13991811898
  • 作者简介:王军琳(1970-),女,重庆人,讲师,硕士

Recombinant Human Bone Morphogenetic Ptrotem-2 Transform NIBT3 FSbroblast to Osteo-like Cells

WANG Junlin,LIU Yuan,Jin yan,WANG Xingwen, Li Yuan   

  1. Dept.of Oral Histology and Pathology, The Fourth Military Medical Ummsay, Xi'an 710032, China
  • Received:2004-10-25 Revised:2004-10-25 Online:2004-10-20 Published:2004-10-20

摘要:

目的探讨人重组骨形成蛋白一2 (rhBMP-2)对NU13T3成纤维细胞生物学行为的影响。方法培养 NIH3T3细胞,加人外源性rhBMP-2,用生长曲线、唾哇蓝(MIT)比色、流式细胞仪(FCM)分析、BrdU检测观察细胞的增殖和DNA合成,并检测碱性磷酸酶(ALP)活性和骨钙素(OC)含量观察细胞是否有成骨趋向。结果加药组细胞的增殖活性下降、DNA合成变慢,All]活性和OC含量均增高。结论rhBMP-2使NIH3T3细胞增殖活性变弱,表现成骨细胞表型。

关键词: 成纤维细胞, 骨形成蛋白, 成骨细胞

Abstract:

Objective To examine the effect of recombinant human bone morphogenetic protein-2(rhBMP-2) on NIH3T3 cells. Methods The NII-UT3 cells~cultured in DMEM with 50 ug/L rhBMP-2. the proliferation ability, alkaline phos- phatase (ALP) activity and osteocalcin (0C) quantity of NIH3T3 cells were investigated. Results The cells showed decreased proliferation ability but enhanced ALP activity and OC quantity. Conclusion 50 1rg/L rhBMP-2 can transform NIH373 fibroblasts to osteo-like cells.

Key words: fibroblast, bone morphogenetic proteins, osteoblast