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In vivo imaging of neuronal activity in the developing cerebral cortex

Research Project

Project/Area Number 15K14322
Research Category

Grant-in-Aid for Challenging Exploratory Research

Allocation TypeMulti-year Fund
Research Field Neurophysiology / General neuroscience
Research InstitutionNational Institute of Genetics

Principal Investigator

Mizuno Hidenobu  国立遺伝学研究所, 個体遺伝研究系, 助教 (00567159)

Project Period (FY) 2015-04-01 – 2017-03-31
Project Status Completed (Fiscal Year 2016)
Budget Amount *help
¥3,900,000 (Direct Cost: ¥3,000,000、Indirect Cost: ¥900,000)
Fiscal Year 2016: ¥1,170,000 (Direct Cost: ¥900,000、Indirect Cost: ¥270,000)
Fiscal Year 2015: ¥2,730,000 (Direct Cost: ¥2,100,000、Indirect Cost: ¥630,000)
Keywordsカルシウムイメージング / 2光子顕微鏡 / 単一細胞遺伝子操作 / 覚醒下イメージング / 大脳皮質 / 新生児 / 神経回路形成 / 臨界期 / 神経科学 / 生理学 / 生体イメージング / バレル皮質 / 単一細胞標識 / 二光子顕微鏡
Outline of Final Research Achievements

Establishment of precise neuronal wiring in the cerebral cortex relies on activity-dependent circuit refinement during postnatal periods. However, the nature of neuronal activity in the cortex during this period remains largely unknown.
In this study, the method for monitoring activity of individual cortical neurons in awake neonates was developed.
This method should be useful for unraveling activity-dependent refinement of cortical circuits during early postnatal development.

Report

(3 results)
  • 2016 Annual Research Report   Final Research Report ( PDF )
  • 2015 Research-status Report
  • Research Products

    (6 results)

All 2016 2015

All Journal Article (2 results) (of which Peer Reviewed: 2 results,  Open Access: 1 results,  Acknowledgement Compliant: 1 results) Presentation (4 results) (of which Int'l Joint Research: 3 results,  Invited: 2 results)

  • [Journal Article] Supernova: A Versatile Vector System for Single-Cell Labeling and Gene Function Studies in vivo.2016

    • Author(s)
      Luo, W., Mizuno, H., Iwata, R., Nakazawa, S., Yasuda, K., Itohara, S., Iwasato, T.
    • Journal Title

      Sci Rep.

      Volume: 6 Issue: 1 Pages: 35747-35747

    • DOI

      10.1038/srep35747

    • Related Report
      2016 Annual Research Report
    • Peer Reviewed / Open Access
  • [Journal Article] Developmental RacGAP α2-chimaerin signaling is a determinant of the morphological features of dendritic spines in adulthood.2015

    • Author(s)
      Ryohei Iwata, Hiroshi Matsukawa, Kosuke Yasuda, Hidenobu Mizuno, Shigeyoshi Itohara, Takuji Iwasato
    • Journal Title

      The Journal of Neuroscience

      Volume: 35 Pages: 13728-13744

    • Related Report
      2015 Research-status Report
    • Peer Reviewed / Acknowledgement Compliant
  • [Presentation] In vivo 2-photon imaging in layer 4 of the neonatal barrel cortex2016

    • Author(s)
      H. Mizuno, T. Sato, T. Iwasato
    • Organizer
      Society for Neuroscience annual meeting
    • Place of Presentation
      San Diego, USA
    • Year and Date
      2016-11-16
    • Related Report
      2016 Annual Research Report
    • Int'l Joint Research
  • [Presentation] In vivo 2-photon imaging in layer 4 of the neonatal somatosensory cortex2016

    • Author(s)
      H. Mizuno, T. Sato, T. Iwasato
    • Organizer
      Cell symposia
    • Place of Presentation
      San Diego, USA
    • Year and Date
      2016-11-10
    • Related Report
      2016 Annual Research Report
    • Int'l Joint Research / Invited
  • [Presentation] ミクロとマクロのイメージングの統合による新分野の開拓2016

    • Author(s)
      水野秀信(兼シンポジウム企画者)
    • Organizer
      日本発生生物学会 秋季シンポジウム2016
    • Place of Presentation
      静岡県三島市
    • Year and Date
      2016-10-19
    • Related Report
      2016 Annual Research Report
    • Invited
  • [Presentation] 新生仔大脳皮質第4層におけるポピュレーション活動の2光子イメージング2015

    • Author(s)
      水野秀信、中沢信吾、佐藤拓也、岩里琢冶
    • Organizer
      第38回日本神経科学大会
    • Place of Presentation
      神戸市
    • Year and Date
      2015-07-28
    • Related Report
      2015 Research-status Report
    • Int'l Joint Research

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Published: 2015-04-16   Modified: 2018-03-22  

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