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Regulation of differentiation/maturation of neocortical neurons after radial migration

Research Project

Project/Area Number 21700356
Research Category

Grant-in-Aid for Young Scientists (B)

Allocation TypeSingle-year Grants
Research Field Neuroscience in general
Research InstitutionKeio University

Principal Investigator

OISHI Koji  慶應義塾大学, 医学部, 特任助教 (80420818)

Project Period (FY) 2009 – 2010
Project Status Completed (Fiscal Year 2010)
Budget Amount *help
¥4,420,000 (Direct Cost: ¥3,400,000、Indirect Cost: ¥1,020,000)
Fiscal Year 2010: ¥1,820,000 (Direct Cost: ¥1,400,000、Indirect Cost: ¥420,000)
Fiscal Year 2009: ¥2,600,000 (Direct Cost: ¥2,000,000、Indirect Cost: ¥600,000)
Keywords大脳皮質 / 層構造 / 発生・分化
Research Abstract

Neural precursor cells in the neocortex give rise to distinct subtypes of six-layered neurons, which posses different characteristics. It has been thought that subtype specification of these neurons occurs when the precursor cells undergo final mitosis. However, our group recently found that subtype specification of layer IV neurons occurred at later stages, when the neurons already finished their radial migration. In this study, I tried to explore the mechanisms of subtype specification of layer IV neurons after neuronal migration and found that thalamocortical axons played an important role in this process.

Report

(3 results)
  • 2010 Annual Research Report   Final Research Report ( PDF )
  • 2009 Annual Research Report
  • Research Products

    (17 results)

All 2011 2010 2009

All Journal Article (3 results) (of which Peer Reviewed: 3 results) Presentation (14 results)

  • [Journal Article] Segregation and pathfinding of callosal axons through EphA3 signaling.2011

    • Author(s)
      Mitsuaki Nishikimi, Koji Oishi, Hidenori Tabata, Kenichi Torii, and Kazunori Nakajima.
    • Journal Title

      J. Neurosci.

      Volume: 31(45) Pages: 16251-16260

    • Related Report
      2010 Final Research Report
    • Peer Reviewed
  • [Journal Article] Koji Oishi, Kenji Watatani, Yasuhiro Itoh, Hideyuki Okano, Francois Guillemot, Kazunori Nakajima, and Yukiko Gotoh.2009

    • Author(s)
      Selective induction of neocortical GABAergic neurons by the PDK1-Akt pathway through activation of Mash1.
    • Journal Title

      Proc. Natl. Acad. Sci. U.S.A.

      Volume: 106 (31) Pages: 13064-13069

    • Related Report
      2010 Final Research Report
    • Peer Reviewed
  • [Journal Article] Selective induction of neocortical GABAergic neurons by the PDK1-Akt pathway through activation of Mash12009

    • Author(s)
      大石康二
    • Journal Title

      Proc.Natl.Acad.Sci.U.S.A.

      Volume: 106 Pages: 13064-13069

    • Related Report
      2009 Annual Research Report
    • Peer Reviewed
  • [Presentation] ニューロン移動後の大脳皮質層の分化・特異化機構の解析2011

    • Author(s)
      大石康二, 荒巻道彦, 仲嶋一範
    • Organizer
      第42 回慶應ニューロサイエンス研究会
    • Place of Presentation
      東京
    • Year and Date
      2011-06-11
    • Related Report
      2010 Final Research Report
  • [Presentation] The function of chromatin remodeling factor BAF57 in callosal axon development2011

    • Author(s)
      鳥居健一, 大石康二, 仲嶋一範
    • Organizer
      第42回慶應ニューロサイエンス研究会
    • Place of Presentation
      東京
    • Year and Date
      2011-06-11
    • Related Report
      2010 Final Research Report
  • [Presentation] 大脳皮質第IV 層形成におけるProtocadherin20 の機能解析(Specification of neocortical layer IV fate by Protocadherin20 through regulation of neuronal positioning)2010

    • Author(s)
      大石康二, 刀川夏詩子, 佐々木慎二, 仲嶋一範
    • Organizer
      第33 回日本神経科学大会・第53 回日本神経化学会大会・第20回日本神経回路学会大会合同大会(Neuro2010)
    • Place of Presentation
      神戸
    • Year and Date
      2010-09-24
    • Related Report
      2010 Final Research Report
  • [Presentation] 脳梁交連軸索形成におけるクロマチンリモデリング因子の役割( The function of chromatin remodeling factors in callosal axon development)2010

    • Author(s)
      鳥居健一, 大石康二, 仲嶋一範
    • Organizer
      第115 回日本解剖学会総会・全国学術集会
    • Place of Presentation
      盛岡
    • Related Report
      2010 Final Research Report
  • [Presentation] 大脳皮質第IV層形成におけるProtocadherin20の機能解析2010

    • Author(s)
      大石康二
    • Organizer
      第33回日本神経科学大会(Neuro2010)
    • Place of Presentation
      神戸コンベンションセンター(兵庫県)
    • Related Report
      2010 Annual Research Report
  • [Presentation] The function of chromatin remodeling factors in callosal axon development2010

    • Author(s)
      鳥居健一
    • Organizer
      第115回日本解剖学会総会・全国学術集会
    • Place of Presentation
      盛岡
    • Related Report
      2009 Annual Research Report
  • [Presentation] Role of EphA3 in the Projection of Mediolaterally Arranged Callosal Neurons(脳梁交連線維系ニューロンの領域依存的な走行の違いにおけるEphA3 の役割)2009

    • Author(s)
      錦見満暁, 大石康二, 田畑秀典, 仲嶋一範
    • Organizer
      第39 回慶應ニューロサイエンス研究会
    • Place of Presentation
      東京(poster)
    • Year and Date
      2009-10-31
    • Related Report
      2010 Final Research Report
  • [Presentation] Role of EphA3 in the Projection of Mediolaterally Arranged Callosal Neurons2009

    • Author(s)
      錦見満暁
    • Organizer
      第39回慶應ニューロサイエンス研究会
    • Place of Presentation
      東京
    • Year and Date
      2009-10-31
    • Related Report
      2009 Annual Research Report
  • [Presentation] Protocadherin20 is essential for positioning and laminar fate specification of neocortical layer IV neurons2009

    • Author(s)
      大石康二, 刀川夏詩子, 佐々木慎二, 仲嶋一範
    • Organizer
      第32 回日本分子生物学会年会
    • Place of Presentation
      横浜
    • Related Report
      2010 Final Research Report
  • [Presentation] Regulation of cortical laminar formation by cadherin family proteins2009

    • Author(s)
      Koji Oishi, Kashiko Tachikawa, Shinji Sasaki, Kazunori Nakajima
    • Organizer
      Society for Neuroscience, Neuroscience 2009 Meeting (39th Annual Meeting)
    • Place of Presentation
      Chicago, U.S.A.
    • Related Report
      2010 Final Research Report
  • [Presentation] Regulation of positioning and laminar fate specification of layer IV neurons by Protocadherin 202009

    • Author(s)
      Koji Oishi, Kashiko Tachikawa, Shinji Sasaki, and Kazunori Nakajima
    • Organizer
      International Symposium “Construction and Reconstruction of the Brain”
    • Place of Presentation
      Awaji
    • Related Report
      2010 Final Research Report
  • [Presentation] Regulation of positioning and laminar fate specification of layer IV neurons by Protocadherin202009

    • Author(s)
      大石康二
    • Organizer
      International Symposium "Construction and Reconstruction of the Brain"
    • Place of Presentation
      淡路
    • Related Report
      2009 Annual Research Report
  • [Presentation] Regulation of cortical laminar formation by cadherin family proteins2009

    • Author(s)
      大石康二
    • Organizer
      Society for Neuroscience, Neuroscience 2009 Meeting (39th Annual Meeting)
    • Place of Presentation
      米国シカゴ
    • Related Report
      2009 Annual Research Report
  • [Presentation] Protocadherin20 is essential for positioning and laminar fate specification of neocortical layer IV neurons2009

    • Author(s)
      大石康二
    • Organizer
      第32回日本分子生物学会年会
    • Place of Presentation
      横浜
    • Related Report
      2009 Annual Research Report

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Published: 2009-04-01   Modified: 2016-04-21  

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