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bFGF—in vivo基因治疗促进兔下颌牵张成骨的实验研究
引用本文:李汶洋,蒋校文,祝颂松,宋冬惠,王雪梅,胡静.bFGF—in vivo基因治疗促进兔下颌牵张成骨的实验研究[J].口腔医学研究,2011,27(7):552-554.
作者姓名:李汶洋  蒋校文  祝颂松  宋冬惠  王雪梅  胡静
作者单位:1. 口腔疾病研究国家重点实验室,四川,成都,610041
2. 郴州市第一人民医院口腔科
基金项目:国家自然科学基金资助项目(编号:30825040)
摘    要:目的:探讨碱性成纤维细胞生长因子(bFGF)基因促进兔下颌牵张成骨的可行性。方法:选用16只新西兰白兔,建立下颌牵张模型后随机分为实验组和对照组。在牵张结束的最后1d,对实验组的牵张间隙内注入转染重组腺病毒(Ad5一bFGF),而对照组的牵张间隙内则注入生理盐水。并于牵张结束后4周处死所有实验动物,将取下的下颌骨标本分别进行影像学和组织学分析。结果:影像学、组织学以及三维CT重建结果证实:实验组牵张间隙内新骨形成的量明显高于对照组;双能X线(DXA)分析也显示实验组牵张间隙内新骨的骨密度(BMD)和骨矿物质含量(BMC)均明显高于对照组。结论:bFGF—invivo基因治疗可有效地促进DO过程中的新骨形成。

关 键 词:牵张成骨  碱性成纤维细胞生长因子  基因治疗    下颌骨

bFGF-in vivo Gene Therapy Promoted Bone Regeneration in Rabbit Mandibular Distraction Osteogenesis
LI Wen-Yang,JIANG Xiao-wen,ZHU Song-song,et al..bFGF-in vivo Gene Therapy Promoted Bone Regeneration in Rabbit Mandibular Distraction Osteogenesis[J].Journal of Oral Science Research,2011,27(7):552-554.
Authors:LI Wen-Yang  JIANG Xiao-wen  ZHU Song-song  
Institution:LI Wen-Yang,JIANG Xiao-wen,ZHU Song-song,et al.State Key Laboratory of Oral Diseases,Chengdu 610041
Abstract:Objiective:To investigate the effects of bFGF gene therapy on bone regeneration in rabbit mandibular distraction osteogenesis.Methods:Sixteen adult male rabbits were randomly divided into the experimental group and the control group.The rabbit model of mandibular distraction osteogenesis was established.At the last day of the distraction phase,Ad5-bFGF was injected into the distraction gap of experimental group,while the control group with the same dose of saline.4 weeks after injection,all animals were sac...
Keywords:Distraction osteogenesis Basic fibroblast growth factor Gene therapy Rabbit Mandible  
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