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Do synapses distribute uniformly along axonal branches?

Research Project

Project/Area Number 24650208
Research Category

Grant-in-Aid for Challenging Exploratory Research

Allocation TypeSingle-year Grants
Research Field Neurophysiology and muscle physiology
Research InstitutionTottori University

Principal Investigator

HATA Yoshio  鳥取大学, 医学(系)研究科(研究院), 教授 (40212146)

Co-Investigator(Kenkyū-buntansha) SATOH Takemasa  鳥取大学, 医学部, 助教 (80346345)
Project Period (FY) 2012-04-01 – 2014-03-31
Project Status Completed (Fiscal Year 2013)
Budget Amount *help
¥3,900,000 (Direct Cost: ¥3,000,000、Indirect Cost: ¥900,000)
Fiscal Year 2013: ¥1,690,000 (Direct Cost: ¥1,300,000、Indirect Cost: ¥390,000)
Fiscal Year 2012: ¥2,210,000 (Direct Cost: ¥1,700,000、Indirect Cost: ¥510,000)
Keywordsシナプス / 神経回路 / 電気穿孔法
Research Abstract

Morphological analysis of axonal projection is commonly used in the research of neural circuitry. To determine whether the density of axonal branches represents functional significance of the projection, I made a plan to map the location of synapses on axonal branches using thalamocortical projections of mice. In the present study, I have developed a novel method to introduce a plasmid into thalamic neurons using in vivo electroporation technique. The present method enables to target a few cells in the deep brain region which is identified physiologically and induce a strong expression of fluorescent proteins enough to visualize entire axonal arborization. Multiple plasmids could be introduced simultaneously using this method. Also, the present method can be applicable not only to mice but also to higher mammals as cats.

Report

(3 results)
  • 2013 Annual Research Report   Final Research Report ( PDF )
  • 2012 Research-status Report
  • Research Products

    (5 results)

All 2015 2013

All Journal Article (1 results) (of which Peer Reviewed: 1 results,  Acknowledgement Compliant: 1 results) Presentation (4 results)

  • [Journal Article] In vivo electroporation to physiologically identified deep brain regions in postnatal mammals.2015

    • Author(s)
      Ohmura N., Kawasaki K., Satoh T. and Hata Y.
    • Journal Title

      Brain Structure and Function

      Volume: 220 Issue: 3 Pages: 1307-1316

    • DOI

      10.1007/s00429-014-0724-x

    • Related Report
      2013 Annual Research Report 2013 Final Research Report
    • Peer Reviewed / Acknowledgement Compliant
  • [Presentation] Gene transfer using electroporation in the deep brain regions of postnatal mammals2013

    • Author(s)
      Ohmura N., Satoh T., Kawasaki K. and Hata Y.
    • Organizer
      第43回北米神経科学大会
    • Place of Presentation
      San Diego Convention Center、米国San Diego
    • Year and Date
      2013-11-11
    • Related Report
      2013 Final Research Report
  • [Presentation] 生後動物における生理学的に同定した脳部位への遺伝子導入法2013

    • Author(s)
      川﨑一葉、大村菜美、佐藤武正、畠義郎
    • Organizer
      第65回日本生理学会中国四国地方会
    • Place of Presentation
      川崎医科大学、岡山県倉敷市
    • Year and Date
      2013-11-02
    • Related Report
      2013 Final Research Report
  • [Presentation] Gene transfer using electroporation in the deep brain regions of postnatal mammals.2013

    • Author(s)
      Ohmura N., Kawasaki K., Satoh T. and Hata Y.
    • Organizer
      第43回 北米神経科学大会
    • Place of Presentation
      米国、San Diego、San Diego Convention Center
    • Related Report
      2013 Annual Research Report
  • [Presentation] 生後動物における生理学的に同定した脳部位への遺伝子導入法2013

    • Author(s)
      川﨑一葉、大村菜美、佐藤武正、畠 義郎
    • Organizer
      第65回日本生理学会中国四国地方会
    • Place of Presentation
      岡山県倉敷市、川崎医科大学
    • Related Report
      2013 Annual Research Report

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Published: 2013-05-31   Modified: 2019-07-29  

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