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丁继固,丁文杰,李 光,赵克勇.胶质源性神经营养因子体外诱导小鼠胚胎中脑神经干细胞分化的研究[J].中国康复医学杂志,2008,23(4):341~343
胶质源性神经营养因子体外诱导小鼠胚胎中脑神经干细胞分化的研究    点此下载全文
丁继固  丁文杰  李 光  赵克勇
咸宁学院医学院解剖学教研室,湖北咸宁, 437100
基金项目:湖北省教育厅重点课题(D200628008)
DOI:
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摘要:
      摘要 目的:探索胶质源性神经营养因子(GDNF)在体外诱导小鼠胚胎中脑神经干细胞(M-NSCs)分化成多巴胺能神经元的培养方法,为M-NSCs移植治疗帕金森病(PD)提供实验依据。方法:在有血清条件下体外培养鼠胚M-NSCs,予以GDNF作诱导分化。TH免疫细胞化学鉴定,流式细胞术检测TH-ir阳性神经元的百分率。结果:M-NSCs向多巴胺能神经元分化的阳性率经流式细胞术检测结果,两组TH-ir阳性细胞比率A组(实验组,6只)为13.53%±1.53%;B组(对照组,6只)3.46%±0.77%,两组比较差异有显著性意义(P<0.01)。结论:GDNF可促进M-NSCs分化成多巴胺能神经元。 关键词 中脑神经干细胞;多巴胺能神经元;胶质源性神经营养因子;酪氨酸羟化酶 中图分类号: R741, R742.5 文献标识码:A 文章编号:1001-1242(2008)-04-0341-03
关键词:中脑神经干细胞  多巴胺能神经元  胶质源性神经营养因子  酪氨酸羟化酶
Experimental study on differentiation of mesencephalic neural stem cells induced by GDNF in vitro    Download Fulltext
Department of Anatomy, Medical College, Xianning College, Xianning,43710
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Abstract:
      Objective:To explore the culture methods for the differentiation of mesencephalic neural stem cells(M-NSCs) from embryonic mice into dopaminergic(DAergic)neurons in vitro,and to provide the experimental information for the treatment of Parkinson′s disease by cell transplantation.Method:M-NSCs were cultured and proliferated,then GDNF were used to induce differentiation in the condition of fetal bovine serum (FBS).Immunocytochemical techniques were used to detect the TH-ir cells from NSC differentiation,and FCM to detect the percentage of TH-ir in all the cells. Result:The proportions of M-NSCs differentiated into DAergic neurons were 13.53%±1.53% in GDNF group, and 3.46%±0.77% in control group(P<0.01). Conclusion: GDNF can significantly increase the differentiation of DAergic neurons.
Keywords:mesencephalic neural stem cells  dopaminergic(DAergic) neurons  glial cell line-derived neurotrophic factor  tyrosine hydroxylase
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