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The Neuroprotection of Repetitive Transcranial Magnetic Stimulation Pre-treatment in Vascular Dementia Rats

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Abstract

Repetitive transcranial magnetic stimulation (rTMS) is a non-invasive technique that could interfere cortical excitability though brief electric currents induced by alternating magnetic fields from the inductive coil. Currently, it has been applied in many fields of basic and clinical neuro-research. The aims of the present study are to investigate the effect of rTMS pre-treatment on cognitive function in vascular dementia (VaD) rats and further explore the molecular mechanism of rTMS neuroprotection on VaD. We found that rTMS pre-treated VaD rats showed significantly better memory and learning abilities in Morris water maze test compared to the untreated group. Moreover, the mRNA and protein expression levels of BDNF, TrkB, and SYN were significantly higher in the rTMS pre-treated group, indicating that rTMS pre-treatment has neuroprotective effect for VaD, which may have resulted from the increased level of BDNF, TrkB, and SYN in the hippocampal CA1 area.

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Acknowledgments

This work was supported by Chinese National Natural Science Foundation Grant (No. 81100805), Funding for the new century talents of General Hospital of Tianjin Medical University, Key project of Tianjin Research Program of Application Foundation and Advanced Technology (2015), and the Foundation of Key Laboratory of Genetic Engineering of the Ministry of Education (201302). The authors thank Feng Wang, Ph.D. for the critical review of the manuscript.

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Authors and Affiliations

  1. Department of Neurology, General Hospital, Tianjin Medical University, Tianjin, People’s Republic of China

    Fei Wang

  2. Department of Clinical Laboratory, General Hospital, Tianjin Medical University, Tianjin, People’s Republic of China

    Guang-ming Chang

  3. General Hospital, Tianjin Medical University, Tianjin, People’s Republic of China

    Qian Yu

  4. Department of Biochemistry and Molecular Biology, Tianjin Medical University, Tianjin, People’s Republic of China

    Xin Geng

  5. Tianjin Key Laboratory of Cellular and Molecular Immunology, Tianjin, People’s Republic of China

    Xin Geng

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  1. Fei Wang
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  2. Guang-ming Chang
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  3. Qian Yu
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  4. Xin Geng
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Correspondence to Fei Wang or Xin Geng.

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Wang, F., Chang, Gm., Yu, Q. et al. The Neuroprotection of Repetitive Transcranial Magnetic Stimulation Pre-treatment in Vascular Dementia Rats. J Mol Neurosci 56, 198–204 (2015). https://doi.org/10.1007/s12031-014-0480-7

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  • DOI: https://doi.org/10.1007/s12031-014-0480-7

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