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Activity-dependent elimination of corticospinal synapses and NMDA receptor subtype

Research Project

Project/Area Number 20800047
Research Category

Grant-in-Aid for Young Scientists (Start-up)

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

Principal Investigator

OHNO Takae  Teikyo University, 医学部, 助教 (60508109)

Project Period (FY) 2008 – 2009
Project Status Completed (Fiscal Year 2009)
Budget Amount *help
¥2,665,000 (Direct Cost: ¥2,050,000、Indirect Cost: ¥615,000)
Fiscal Year 2009: ¥1,248,000 (Direct Cost: ¥960,000、Indirect Cost: ¥288,000)
Fiscal Year 2008: ¥1,417,000 (Direct Cost: ¥1,090,000、Indirect Cost: ¥327,000)
Keywordscorticospinal synapse / knockout mice / GluN2B (GluRε2 / NR2B) / GluN2A (GluRε1 / NR2A) / heterotypic co-culture / exo utero electroporation / GluN2B(GluR ε 2 / GluN2A(GluR ε 1 / optical imaging / whole cell recording / GluRε2(NR2B) / GluRε1(NR2A)
Research Abstract

By using both GluN2B (ε2) and 2A (ε1) knockout mice for the in vitro corticospinal projection system, we concluded that that GluN2B in the spinal cord is selectively involved in the CS synapse elimination. We also found that this elimination process is CaMKII-dependent by pharmacological screening

Report

(3 results)
  • 2009 Annual Research Report   Final Research Report ( PDF )
  • 2008 Annual Research Report
  • Research Products

    (7 results)

All 2010 2009 2008

All Journal Article (1 results) Presentation (6 results)

  • [Journal Article] Masayoshi Mishina and Masaki Sakurai. Specific involvement of GluRε2 (NR2B)-containing NMDA receptors in the developmental elimination of corticospinal synapses.2010

    • Author(s)
      Takae Ohno, Hitoshi Maeda, Naoyuki Murabe, Tsutomu Kamiyama, Noboru Yoshioka, Masayoshi Mishina, Masaki Sakurai.
    • Journal Title

      Proc Natl Acad Sci USA (in press)

    • Related Report
      2009 Final Research Report
  • [Presentation] Society for Neuroscience 2009: GluRε2 (NR2B)-containing NMDA receptors are specifically involved in the corticospinal synapse elimination during development2009

    • Author(s)
      T Ohno, H Maeda, N Murabe, T Kamiyama, N Yoshioka, M Mishina
    • Organizer
      Chicago Convention Center
    • Year and Date
      2009-10-20
    • Related Report
      2009 Final Research Report
  • [Presentation] GluR ε 2 (NR2B)-containing NMDA receptors are specifically involved in the corticospinal synapse elimination during development2009

    • Author(s)
      T Ohno, H Maeda, N Murabe, T Kamiyama, N Yoshioka, M Mishina, M Sakurai
    • Organizer
      Society for Neuroscience 2009
    • Place of Presentation
      Chicago Convention Center
    • Year and Date
      2009-10-20
    • Related Report
      2009 Annual Research Report
  • [Presentation] 第32回日本神経科学大会:皮質脊髄路シナプス除去に対するGluRε2 (NR2B)の選択的関与2009

    • Author(s)
      大野孝恵、前田仁士、村部直之、上山勉、吉岡昇、三品昌美、桜井正樹
    • Place of Presentation
      名古屋国際会議場
    • Year and Date
      2009-09-16
    • Related Report
      2009 Final Research Report
  • [Presentation] 皮質脊髄路シナプス除去に対するGluRε2 (NR2B)の選択的関与2009

    • Author(s)
      大野孝恵、前田仁士、村部直之、上山勉、吉岡昇、三品昌美、桜井正樹
    • Organizer
      第32回日本神経科学大会
    • Place of Presentation
      名古屋国際会議場
    • Year and Date
      2009-09-16
    • Related Report
      2009 Annual Research Report
  • [Presentation] 第49回日本神経学会総会:マウス皮質脊髄シナプスのGluRε2(2B)依存的発達2008

    • Author(s)
      大野孝恵、前田仁士、吉岡昇、三品昌美、桜井正樹
    • Place of Presentation
      パシフィコ横浜
    • Year and Date
      2008-05-16
    • Related Report
      2009 Final Research Report
  • [Presentation] マウス皮質脊髄シナプスのGluRε2(2B)依存的発達2008

    • Author(s)
      大野孝恵, 前田仁士, 吉岡昇, 三品昌美, 桜井正樹
    • Organizer
      第49回日本神経学会総会
    • Place of Presentation
      パシフイコ横浜
    • Year and Date
      2008-05-16
    • Related Report
      2008 Annual Research Report

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Published: 2008-04-01   Modified: 2016-04-21  

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