中国神经再生研究(英文版)

中国神经再生研究(英文版) ›› 2012, Vol. 7 ›› Issue (4): 251-255.

• 原著:脑损伤修复保护与再生 • 上一篇    下一篇

Reconstruction of the adenosine system by bone marrow-derived mesenchymal stem cell transplantation

  

  • 收稿日期:2011-08-29 修回日期:2011-12-27 出版日期:2012-02-05 发布日期:2012-02-05

Reconstruction of the adenosine system by bone marrow-derived mesenchymal stem cell transplantation

Huicong Kang, Qi Hu, Xiaoyan Liu, Yinhe Liu, Feng Xu, Xiang Li, Suiqiang Zhu   

  1. 1 Department of Neurology, Tongji Hospital of Tongji Medical University, Huazhong University of Science and Technology, Wuhan 430030, Hubei Province, China
    2 Ministry of Water Resources of China, Beijing 100000, China
  • Received:2011-08-29 Revised:2011-12-27 Online:2012-02-05 Published:2012-02-05
  • Contact: Suiqiang Zhu, M.D., Ph. D., Doctoral supervisor, Department of Neurology, Tongji Hospital of Tongji Medical University, Huazhong University of Science and Technology, Wuhan 430030, Hubei Province, China zhusuiqiang@163.com
  • About author:Huicong Kang☆, M.D., Department of Neurology, Tongji Hospital of Tongji Medical University, Huazhong University of Science and Technology, Wuhan 430030, Hubei Province, China

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Abstract:

In the present study, we transplanted bone marrow-derived mesenchymal stem cells into the CA3 area of the hippocampus of chronic epilepsy rats kindled by lithium chloride-pilocarpine. Immunofluorescence and western blotting revealed an increase in adenosine A1 receptor expression and a decrease in adenosine A2a receptor expression in the brain tissues of epileptic rats 3 months after transplantation. Moreover, the imbalance in the A1 adenosine receptor/A2a adenosine receptor ratio was improved. Electroencephalograms showed that frequency and amplitude of spikes in the hippocampus and frontal lobe were reduced. These results suggested that mesenchymal stem cell transplantation can reconstruct the normal function of the adenosine system in the brain and greatly improve epileptiform discharges.

Key words: bone marrow-derived mesenchymal stem cells, chronic epilepsy, cell transplantation, reconstruction, adenosine system, electroencephalogram, immunohistochemistry