中国组织工程研究 ›› 2015, Vol. 19 ›› Issue (36): 5741-5745.doi: 10.3969/j.issn.2095-4344.2015.36.001

• 骨髓干细胞 bone marrow stem cells •    下一篇

SPIO、DAPI双重标记猕猴骨髓间充质干细胞:对细胞活性及增殖的影响

宋巧巧1,周慧良2,潘兴华3   

  1. 1湖北科技学院临床医学院内科教研室,湖北省咸宁市  437100; 2咸宁市中心医院,湖北省咸宁市  437100; 3解放军昆明总医院干细胞与组织器官工程研究中心,云南省干细胞工程室验室,云南省昆明市  650032
  • 出版日期:2015-09-03 发布日期:2015-09-03
  • 通讯作者: 潘兴华,博士,教授,解放军昆明总医院干细胞与组织器官工程研究中心,云南省干细胞工程室验室,云南省昆明市 650032
  • 作者简介:宋巧巧,女,1987年生,湖北省咸宁市人,汉族,2013年昆明医科大学毕业,硕士,助教,主要从事干细胞移植治疗糖尿病方面的研究。
  • 基金资助:

    国家自然科学基金资助项目(31172170)

SPIO and DAPI double labeled bone marrow mesenchymal stem cells of macaques: effects on cell viability and proliferation 

Song Qiao-qiao1, Zhou Hui-liang2, Pan Xing-hua3   

  1. 1Department of Internal Medicine, School of Clinical Medicine, Hubei University of Science and Technology, Xianning 437100, Hubei Province, China; 2Xianning Central Hospital, Xianning 437100, Hubei Province, China; 3Stem Cell Engineering Laboratory of Yunnan Province, Kunming General Hospital of Chengdu Military Command, Kunming 650032, Yunnan Province, China
  • Online:2015-09-03 Published:2015-09-03
  • Contact: Pan Xing-hua, M.D., Professor, Stem Cell Engineering Laboratory of Yunnan Province, Kunming General Hospital of Chengdu Military Command, Kunming 650032, Yunnan Province, China
  • About author:Song Qiao-qiao, Master, Assistant teacher, Department of Internal Medicine, School of Clinical Medicine, Hubei University of Science and Technology, Xianning 437100, Hubei Province, China
  • Supported by:

    the National Natural Science Foundation of China, No. 31172170

摘要:

背景:传统的细胞移植示踪方法均需要在体外状态下进行组织学切片鉴定和分析,这显然限制了干细胞移植进入临床应用,因此,探索无创的、可多次重复应用的活体示踪方法已成为迫切亟待解决的问题。

目的:观察SPIO和DAPI双标记猕猴骨髓间充质干细胞的效果及对干细胞存活、增殖的影响。
方法:全骨髓贴壁法分离培养猕猴骨髓间充质干细胞,并采用流式细胞术对骨髓间充质干细胞进行鉴定。用SPIO和DAPI双标记骨髓间充质干细胞,通过荧光显微镜观察DAPI标记阳性率,普鲁士蓝染色和透射电镜鉴定SPIO标记阳性率,MTT检测标记细胞的活性、增殖能力。

结果与结论:采用全骨髓贴壁法成功获得高纯度猕猴骨髓间充质干细胞,纯度达95.1%。SPIO和DAPI成功标记骨髓间充质干细胞,标记阳性率达95%-98%,且对干细胞的活性、增殖无影响。

 中国组织工程研究杂志出版内容重点:干细胞;骨髓干细胞;造血干细胞;脂肪干细胞;肿瘤干细胞;胚胎干细胞;脐带脐血干细胞;干细胞诱导;干细胞分化;组织工程

 

关键词: 干细胞, 骨髓干细胞, 细胞标记, 骨髓间充质干细胞, 猕猴, SPIO, DAPI, 国家自然科学基金

Abstract:

BACKGROUND: Traditional cell transplantation tracer methods require histological analysis and identification in vitro, which limits the clinical application of stem cell transplantation. So it is urgent to establish an in vivo noninvasive and repeatable tracer method.
OBJECTIVE: To observe the effect of SPIO and DAPI double labeling on survival and proliferation of bone marrow mesenchymal stem cells from macaques.
METHODS: Bone marrow mesenchymal stem cells were derived from bone marrow aspirates of healthy macaques using whole bone marrow adherence method. Then, the cells were identified using flow cytometry detection. Bone marrow mesenchymal stem cells were labeled using SPIO and DAPI. Fluorescent microscope was used to detect DAPI positive rate, and Prussian blue staining and transmission electron microscope were employed to measure SPIO positive rate. MTT assay was used to detect cell viability and proliferation.
RESULTS AND CONCLUSION: Bone marrow mesenchymal stem cells were successfully isolated from healthy macaques using the whole bone marrow adherence method, and the cell purity was up to 95.1%. SPIO and DAPI 
were both successful to label the bone marrow mesenchymal stem cells with a positive rate of 95%-98%, but had no influence on cell viability and proliferation.

 中国组织工程研究杂志出版内容重点:干细胞;骨髓干细胞;造血干细胞;脂肪干细胞;肿瘤干细胞;胚胎干细胞;脐带脐血干细胞;干细胞诱导;干细胞分化;组织工程

Key words: Bone Marrow, Mesenchymal Stem Cells, Magnetite Nanoparticles

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