中国组织工程研究 ›› 2013, Vol. 17 ›› Issue (23): 4272-4278.doi: 10.3969/j.issn.2095-4344.2013.23.013

• 干细胞培养与分化 stem cell culture and differentiation • 上一篇    下一篇

肿瘤坏死因子相关凋亡诱导配体修饰的人羊水间充质干细胞

杜晶春1,朱  蕊2,范婷婷1,王鹏鲲1,林勇平1,徐  霞1   

  1. 1广州医学院第一临床学院检验系,广东省广州市  510182
    2广州医学院第一附属医院妇产科,广东省广州市  510120
  • 出版日期:2013-06-04 发布日期:2013-06-04
  • 通讯作者: 徐霞,教授,硕士生导师,广州医学院第一临床学院检验系, 广东省广州市 510182 xuxia503@126.com
  • 作者简介:杜晶春,男,1979年生,河南省信阳市人,汉族,2010年中山大学毕业,讲师,目前主要从事干细胞的分化机制及临床应用方面的研究。 hndjc@yahoo.com.cn
  • 基金资助:

    国家自然科学青年基金项目(81101730);广州医学院第一附属医院院级课题(Y201013)。

Tumor necrosis factor-related apoptosis-inducing ligand modified human amniotic fluid-derived mesenchymal stem cells

Du Jing-chun1 , Zhu Rui2 , Fan Ting-ting1 , Wang Peng-kun1 , Lin Yong-ping1 , Xu Xia1   

  1. 1 Department of Laboratory Medicine, the First Affiliated Hospital of Guangzhou Medical University, Guangzhou  510182, Guangdong Province, China
    2 Department of Gynecology and Obstetrics, the First Affiliated Hospital of Guangzhou Medical University, Guangzhou  510120, Guangdong Province, China
  • Online:2013-06-04 Published:2013-06-04
  • Contact: Xu Xia, Professor, Master’s supervisor, Department of Laboratory Medicine, the First Affiliated Hospital of Guangzhou Medical University, Guangzhou 510182, Guangdong Province, China xuxia503@126.com
  • About author:Du Jing-chun, Lecturer, Department of Laboratory Medicine, the First Affiliated Hospital of Guangzhou Medical University, Guangzhou 510182, Guangdong Province, China hndjc@yahoo.com.cn
  • Supported by:
    the National Natural Science Foundation of China, No. 81101730*;
    the Grants from the First Affiliated Hospital of Guangzhou Medical University, No. Y201013*

摘要:

背景:以间充质干细胞为载体的基因治疗新方法具有广阔的应用价值。
目的:利用慢病毒感染方法将肿瘤坏死因子相关凋亡诱导配体导入人羊水来源的间充质干细胞,以期获得稳定表达肿瘤坏死因子相关凋亡诱导配体的人羊水间充质干细胞。
方法:首先利用多位点Gateway技术构建慢病毒表达载体pLVpuro/EF1α-肿瘤坏死因子相关凋亡诱导配体,将该表达载体与慢病毒包装质粒同时转染293FT细胞,从而获得携带肿瘤坏死因子相关凋亡诱导配体基因的慢病毒颗粒。利用重组慢病毒颗粒感染人羊水间充质干细胞,并通过抗生素筛选的方法获得稳定表达目的基因-肿瘤坏死因子相关凋亡诱导配体的羊水间充质干细胞,并对其稳定性进行鉴定。
结果与结论:酶联免疫吸附法和Western blot检测结果表明,肿瘤坏死因子相关凋亡诱导配体蛋白在感染的人羊水间充质干细胞内呈高表达,其表达量可达到72 μg/L。说明实验成功制备了肿瘤坏死因子相关凋亡诱导配体修饰的人羊水间充质干细胞。

关键词: 干细胞, 干细胞培养与分化, 人羊水间充质干细胞, 肿瘤坏死因子相关凋亡诱导配体, 基因修饰, 慢病毒载体, 多位点, 稳定表达, 目的基因, 293FT细胞, 组织工程, 国家自然科学基金, 干细胞图片文章

Abstract:

BACKGROUND: The new gene therapy with mesenchymal stem cells as carriers has wide application value.
OBJECTIVE: To import tumor necrosis factor-related apoptosis-inducing ligand into human amniotic fluid-derived mesenchymal stem cells using lentiviral vector, in order to obtain human amniotic fluid-derived mesenchymal stem cells that stably express tumor necrosis factor-related apoptosis-inducing ligand.
METHODS: The lentiviral expression vector pLVpuro/EF1α-tumor necrosis factor-related apoptosis-inducing ligand was constructed by multisite Gateway technique. The expression vector and the lentiviral packaging plasmid were co-transfected with 293FT cells to obtain the lentiviral plasmid carrying tumor necrosis factor-related apoptosis-inducing ligand. The human amniotic fluid-derived mesenchymal stem cells were transfected with recombinant lentivirus particles, and then the human amniotic fluid-derived mesenchymal stem cells that stably express target gene-tumor necrosis factor-related apoptosis-inducing ligand were obtained by using antibiotic screening methods. The stability of human amniotic fluid-derived mesenchymal stem cells was detected.
RESULTS AND CONCLUSION: The enzyme-linked immunosorbent assay and western blot results indicated that the tumor necrosis factor-related apoptosis-inducing ligand protein could be highly expressed in the transfected human amniotic fluid-derived mesenchymal stem cells, and the concentration of tumor necrosis factor-related apoptosis-inducing ligand protein could reach 72 μg/L. These results suggest that the tumor necrosis factor-related apoptosis-inducing ligand modified human amniotic fluid-derived mesenchymal stem cells are established successfully.

Key words: stem cells, stem cell culture and differentiation, human amniotic fluid-derived mesenchymal stem cells, tumor necrosis factor-related apoptosis-inducing ligand, gene modification, lentivirus vector, multi-site, stable expression, target gene, 293FT cell, tissue engineering, National Natural Science Foundation of China, stem cell photographs-containing paper

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