中国组织工程研究 ›› 2014, Vol. 18 ›› Issue (45): 7290-7293.doi: 10.3969/j.issn.2095-4344.2014.45.014

• 干细胞移植 stem cell transplantation • 上一篇    下一篇

穴位注射骨髓间充质干细胞后心肌梗死大鼠血管细胞黏附因子1及迟发抗原4的表达

陈 岩,杨关林,白雪松,张 哲,关雪峰,隋吉峰   

  1. 辽宁省中医院,辽宁省沈阳市 110032
  • 出版日期:2014-11-05 发布日期:2014-11-05
  • 作者简介:陈岩,女,1965年生,辽宁省沈阳市人,汉族,2009年辽宁中医药大学毕业,博士,主任医师,主要从事中西医结合治疗心血管病研究。
  • 基金资助:

    辽宁省教育厅创新团队项目资助(2008T126)

Effect of acupoint injection of bone marrow mesenchymal stem cells on expression of vascular cell adhesion molecule-1 and very late antigen-4 in myocardial infarction model rats  

Chen Yan, Yang Guan-lin, Bai Xue-song, Zhang Zhe, Guan Xue-feng, Sui Ji-feng   

  1. The Affiliated Hospital of Liaoning University of Traditional Chinese Medicine, Shenyang 110032, Liaoning Province, China
  • Online:2014-11-05 Published:2014-11-05
  • About author:Chen Yan, M.D., Chief physician, the Affiliated Hospital of Liaoning University of Traditional Chinese Medicine, Shenyang 110032, Liaoning Province, China
  • Supported by:

    the Innovation Team Project of Liaoning Provincial Education Bureau, No. 2008T126

摘要:

背景:目前认为骨髓间充质干细胞归巢是由黏附分子和趋化因子介导的,该过程有骨髓内皮细胞、造血干细胞、骨髓造血微环境及其分泌或表达的分子共同参与,黏附分子可能在其中起到重要作用。

 

目的:以血管细胞黏附因子1和迟发抗原4为指标探讨穴位注射骨髓间充质干细胞向心肌迁移、趋化的机制。

 

方法:贴壁法培养骨髓间充质干细胞,以第3代为种子细胞,调整细胞浓度为1×1010 L-1。60只SD大鼠随机分为假手术组、模型组、心肌注射骨髓间充质干细胞组(以下简称心肌组),穴位注射骨髓间充质干细胞组(以下简称穴位组),每组15只。采用结扎左冠状动脉前降支方法复制心肌梗死模型,穴位组造模成功72 h后于心俞、至阳、膻中每穴位注入骨髓间充质干细胞0.3 mL,心肌组造模成功72 h后二次开胸,左前降支供血区域及周边心肌分6点均匀地移植骨髓间充质干细胞1.2 mL,4周后颈动脉插管,多道生理记录仪检测血流动力学指标,ELISA法检测血清血管细胞黏附因子1及迟发抗原4表达水平。

 

结果与结论:心肌组、穴位组大鼠心功能得到改善,两组血清血管细胞黏附因子1及迟发抗原4较模型组升高,心肌组和穴位组比较差异无显著性意义。结果说明血管细胞黏附因子1/迟发抗原4轴可能是穴位注射干细胞趋化机制之一。

 

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


全文链接:

关键词: 干细胞, 骨髓干细胞, 穴位移植, 心肌梗死, 血管细胞黏附因子1, 迟发抗原4

Abstract:

BACKGROUND: Now, the bone marrow mesenchymal stem cell homing is thought to be mediated by adhesion molecules and chemokines, and this process involves bone marrow endothelial cells, hematopoietic stem cells, bone marrow microenvironment and its secreted or expressed molecules, in which, adhesion molecules may play an important role.

OBJECTIVE: To explore the migrating and chemotactic mechanism of bone marrow mesenchymal stem cells via acupoint injection into myocardial cells by determining the expression of vascular cell adhesion molecule-1 and very late antigen-4.
METHODS: Bone marrow mesenchymal stem cells were cultured using adherent method, and the passage 3 cells were used as seed cells at a density of 1×1010/L. Sixty Sprague-Dawley rats were randomly divided into sham group, model group, myocardial injection group, and acupoint injection group, 15 rats in each group. The left coronary arteries of rats were ligated for establishing a model of myocardial infarction. At 72 hours after myocardial infarction, 0.3 mL bone mesenchymal stem cells were transplanted into the Xinyu, Zhiyang, Tanzhong acupoints, respectively, in the acupoint injection group; while in the myocardial injection group, secondary thoracotomy was done, and 1.2 mL bone marrow mesenchymal stem cells were equably transplanted into six sites in the feeding area of the left anterior descending artery and the surrounding myocardium. At 4 weeks after myocardial infarction, a multi-channel polygraph was adopted for detection of hemodynamic parameters, and the levels of serum vascular cell adhesion molecule-1 and very late antigen-4 were measured by ELISA.
RESULTS AND CONCLUSION: The heart function of rats in the myocardial injection and acupoint injection groups were improved, and compared with the model group, the levels of serum vascular cell adhesion molecule-1 and very late antigen-4 were significantly higher in the myocardial injection and acupoint injection groups. However, there was no significant difference between the myocardial injection and acupoint injection groups. These findings suggest that vascular cell adhesion molecule-1 and very late antigen-4 may be one of the chemotactic mechanisms of bone mesenchymal stem cells transplanted in myocardial infarction model rats by acupoint injection.

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


全文链接:

Key words: bone marrow, mesenchymal stem cell transplantation, myocardial infarction, vascular cell adhesion molecule-1

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