吴军,孙天胜,王献章,任继鑫,张立仁,陈迎朝.神经营养素-3基因修饰嗅鞘细胞移植对急性脊髓损伤作用的实验研究[J].中国脊柱脊髓杂志,2006,(2):-151,i0002.
神经营养素-3基因修饰嗅鞘细胞移植对急性脊髓损伤作用的实验研究
A study of intraspinal implantation of neurotrophin-3 modified olfactory ensheathing glia in rats with acute spinal cord injury
  
DOI:
中文关键词:  脊髓损伤  基因治疗  神经营养素-3  嗅鞘细胞  再生  非病毒载体  大鼠
英文关键词:Spinal cord injury  Gene therapy  Neurotrophin-3  Olfactory ensheathing glia  Regeneration  Non- viral vectors  Rat
基金项目:中国科学院资助项目
吴军  孙天胜  王献章  任继鑫  张立仁  陈迎朝
北京军区总医院全军骨科中心,北京市100700
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中文摘要:
  目的:观察神经营养素-3(NT-3)基因转染嗅鞘细胞(OEG)移植对急性大鼠脊髓损伤的作用。方法:将自行构建的质粒DEGFP-NT3应用脂质体介导的方法导人体外培养的嗅鞘细胞,并移植入急性脊髓损伤大鼠体内.连续观察12周.与接受单纯OEG、空白质粒转染OEG移植的脊髓损伤大鼠进行比较。结果:移植转染DEGFP-NT3后的OEG能在体内长期存活,表达NT-3基因,与对照组比较能更好地促进脊髓损伤区轴突的再生和后肢功能的恢复。结论:OEG是脊髓损伤基因治疗较好的受体细胞。转染NT-3基因的OEG移植后可以在体内较长时间存活.能明显促进急性脊髓损伤神经纤维的再生和功能恢复,为基因修饰嗅鞘细胞在脊髓损伤治疗中的应用提供了实验和理论依据。
英文摘要:
  Objective:To observe the therapeutic effect of olfactory ensheathing glia(OEG) transfected with neurotrophin-3(NT-3) gene in rats with thoracic spinal cord injury.Method:Primary OEG were transfected with cationic liposome-mediated recombinant plasmid pEGF
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