小鼠MSCs分离体外扩增及向神经样细胞诱导分化的研究

被引:3
作者
徐光锦
付新巧
杨华静
朱遂强
张苏明
机构
[1] 华中科技大学同济医学院附属同济医院神经内科
[2] 华中科技大学同济医学院附属同济医院神经内科 湖北武汉
[3] 湖北武汉
关键词
间充质干细胞; 骨髓; 小鼠; 体外扩增; 分化; 神经样细胞;
D O I
暂无
中图分类号
R329.2 [人体细胞学];
学科分类号
100101 ;
摘要
目的:研究小鼠骨髓间充质干细胞(mMSCs)的分离、体外扩增及向神经样细胞分化的潜能。方法:取 8-9周小鼠骨髓悬浮至全培养基中,接种于纤连蛋白覆盖的培养器皿中,纯化并扩增mMSCs;检测第9-10代细 胞的生长状态、细胞周期、表型,并进行光镜形态学观察;用二甲基亚砜和丁羟茴醚诱导细胞分化,免疫荧光法检测 其诱导分化前后神经细胞和神经干细胞的特异性标记蛋白的表达。结果:mMSCs为贴壁细胞,表现为成纤维细胞 样,具有梭形、多角形等形态,传至15代仍可维持其形态特征;83%的细胞处于G0/G1期;mMSCs不表达CD45而 表达CD44、CD13,与人MSCs表型一致;诱导分化后,大部分细胞变成双极、多极和锥形,并相互交织成网状结构, 呈现神经细胞和神经干细胞表型。结论:mMSCs可被成功分离及体外扩增培养,并具有同人类MSCs相同的形 态、表型、生长特征和向神经样细胞分化的潜力,是研究细胞及基因治疗小鼠病理模型的良好工具细胞。
引用
收藏
页码:6 / 8+11 +11
页数:4
相关论文
共 10 条
[1]  
Plastic adherent stromal cells from the bone marrow of commonly used strains of inbred mice: variations in yield, growth,and differentiation. Phinney DG,Kopen G,Isaacson RL,et al. Journal of Cell Biochemistry . 1999
[2]  
Turning blood into brain: cells bearing neuronal intigens in vivo from bone marrow. Mezey E,Chandross KJ,Harta G,et al. Science . 2000
[3]  
l Multilineage potential ofadult human mesenchymal stem cells. PittengerMF,Mackay AM,Beck SC,et a. Science . 1999
[4]  
Adult rat and human bone marrow stromal cells differentiate into neurons. Woodbury D,Schwarz EJ,Prockop DJ,et al. Journal de Neuroradiologie . 2000
[5]  
Blood[P]. 英国专利:GB0403711D0,2004-03-24
[6]  
Murine marrow-derived mesenchymal stem cell: isolation, in vitro expansion, and characterization. Meirelles LS,Nardi NB. British Journal of Hematology . 2003
[7]  
Selection, enrichment, and culture of murine mesenchymal progenitor cells by retroviral transduction of cycling adherent bone marrow cells. Kitano Y,Radu A,Shaaban A,et al. Experimental Hematology . 2000
[8]  
Pluripotency of mesenchymal stem cells derived from adult marrow. Jiang Y,Jahagirdar BN,Reinhardt RL, et al. Nature . 2002
[9]  
Isolation and characterization of mesenchymal stem cells from adult mouse bone marrow. Philippe Tropel,Daniele Noel,Nadine Platet,et al. Experimental Cell Research . 2004
[10]  
Expansion of human adult stem cells from bone marrow stroma: conditions that maximize the yields of early progenitors and evaluate their quality. Sekiya I,Larson BL,Smith JR,et al. Stem Cells . 2002