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网络首发:2014-06-20,
纸质出版:2014
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人诱导多能干细胞向外周神经元分化的实验研究[J]. 中山大学学报(医学科学版), 2014,35(3).
Derivation of Peripheral Neurons from Human Induced Pluripotent Stem Cells[J]. Journal of Sun Yat-sen University (Medical Sciences), 2014, 35(3).
人诱导多能干细胞向外周神经元分化的实验研究[J]. 中山大学学报(医学科学版), 2014,35(3). DOI:
Derivation of Peripheral Neurons from Human Induced Pluripotent Stem Cells[J]. Journal of Sun Yat-sen University (Medical Sciences), 2014, 35(3). DOI:
摘要: 【目的】 探讨人诱导多能干细胞(hiPS细胞)在体外向外周神经元分化的能力。【方法】人诱导多能干细胞在无饲养层培养条件下维持培养,然后在神经培养基中悬浮培养分化为神经球,通过把神经球贴壁在多聚赖氨酸和层粘连蛋白包被的培养板上,利用流式分选细胞方法获得神经嵴干细胞(NCSC),通过把神经嵴干细胞在外周神经诱导培养基中诱导分化,获得外周神经元,利用免疫荧光染色的方法检测神经嵴干细胞和外周神经元的标记物。【结果】贴壁的神经球出现特征性的神经花环(Neural rosettes)结构,神经嵴干细胞从神经花环发生迁移;神经嵴干细胞向外周神经元诱导后出现神经丝结构,并表达外周神经元特异性标记物。【结论】人诱导多能干细胞在体外能高效向外周神经元分化。
Abstract: 【Objective】 To discuss peripheral neurons differentiation abilityof human induced pluripotent stem cells. 【Methods】The human induced pluripotentstem cells were maintained under feeder-free condition.Then hiPS cells can give rise to neurospheres in suspension culture with neuralculture medium. When neurospheres were replated on the poly-L-lysine/laminin-coated dish, the neuralcrest stem cells emerged and were enriched by FACS. Then the neural crest stem cellsdifferentiate into peripheral neurons, which can be identified by immunocytochemicalassays. 【Results】 When neurospheres were cultured under adherent condition, theneural rosettes emerged and a great amount of neural crest stem cells migrated fromthe rosette structures. The peripheral neurons were induced from the neural creststem cells and expressed the special markers. 【Conclusion】 hiPS cells were successfullyinduced to peripheral neurons.
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