目的:利用胶质细胞系源性神经营养因子(glial cell line-derived neurotroph ic factor,GDNF)对经过转染核相关因子1(nuc lear related factor 1,Nurr1)基因的大鼠骨髓源神经干细胞(bone m arrow strom al cells de-rived from neural s...目的:利用胶质细胞系源性神经营养因子(glial cell line-derived neurotroph ic factor,GDNF)对经过转染核相关因子1(nuc lear related factor 1,Nurr1)基因的大鼠骨髓源神经干细胞(bone m arrow strom al cells de-rived from neural stem cells,BMSCs-D-NSCs)进行培养和诱导分化,研究其能否促进Nurr1-BMSCs-D-NSCs向多巴胺能神经元转化。方法:(1)构建AAV-pcDNA3.1-Nurr1载体;(2)诱导SD大鼠BMSCs分化为成熟的神经元样细胞;(3)用脂质体法转染Nurr1基因到大鼠BMSCs-D-NSCs后用GDNF进行培养和诱导分化。结果:(1)AAV-pcDNA3.1-Nurr1载体携带预期的Nurr1遗传信息;(2)Nurr1基因成功转染到BMSCs-D-NSCs中并且持续表达;(3)Nurr1-BMSCs-D-NSCs以GDNF培养后表达TH因子。结论:GDNF能促进经过转染Nurr1基因的大鼠BMSCs-D-NSCs向多巴胺能神经元定向分化。展开更多
文摘目的:利用胶质细胞系源性神经营养因子(glial cell line-derived neurotroph ic factor,GDNF)对经过转染核相关因子1(nuc lear related factor 1,Nurr1)基因的大鼠骨髓源神经干细胞(bone m arrow strom al cells de-rived from neural stem cells,BMSCs-D-NSCs)进行培养和诱导分化,研究其能否促进Nurr1-BMSCs-D-NSCs向多巴胺能神经元转化。方法:(1)构建AAV-pcDNA3.1-Nurr1载体;(2)诱导SD大鼠BMSCs分化为成熟的神经元样细胞;(3)用脂质体法转染Nurr1基因到大鼠BMSCs-D-NSCs后用GDNF进行培养和诱导分化。结果:(1)AAV-pcDNA3.1-Nurr1载体携带预期的Nurr1遗传信息;(2)Nurr1基因成功转染到BMSCs-D-NSCs中并且持续表达;(3)Nurr1-BMSCs-D-NSCs以GDNF培养后表达TH因子。结论:GDNF能促进经过转染Nurr1基因的大鼠BMSCs-D-NSCs向多巴胺能神经元定向分化。