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Mechanisms of development and evolution of mammalian cerebral cortex

Research Project

Project/Area Number 17K07428
Research Category

Grant-in-Aid for Scientific Research (C)

Allocation TypeMulti-year Fund
Section一般
Research Field Developmental biology
Research InstitutionTokyo Metropolitan Institute of Medical Science

Principal Investigator

OHTAKA-MARUYAMA Chiaki  公益財団法人東京都医学総合研究所, 脳発達・神経再生研究分野, プロジェクトリーダー (00281626)

Project Period (FY) 2017-04-01 – 2020-03-31
Project Status Completed (Fiscal Year 2019)
Budget Amount *help
¥4,940,000 (Direct Cost: ¥3,800,000、Indirect Cost: ¥1,140,000)
Fiscal Year 2019: ¥1,560,000 (Direct Cost: ¥1,200,000、Indirect Cost: ¥360,000)
Fiscal Year 2018: ¥1,690,000 (Direct Cost: ¥1,300,000、Indirect Cost: ¥390,000)
Fiscal Year 2017: ¥1,690,000 (Direct Cost: ¥1,300,000、Indirect Cost: ¥390,000)
Keywords大脳皮質 / サブプレート / 神経細胞移動 / 脳 / シナプス / グルタミン酸 / シングルセル解析 / 脳進化 / 大脳新皮質 / 細胞外基質 / ADAMTS2 / 放射状神経細胞移動 / 多極性ー双極性変換 / 進化 / 神経回路形成
Outline of Final Research Achievements

Six layer structure of the neocortex in wich a huge number of neurons are arranged closely, is a structural base that for higher order brain functions. Subplate neurons (SpNs) are among the first born and matured neuron in the cortex and play a role in corticogenesis. It has been reported that SpNs are essential for the establishment of thalamo-cortical connection. However, the role of SpNs in radial neuronal migration has never been addressed. In this study, we have found that SpNs regulate multipolar(MP) to bipolar(BP) transition of radially migrating neurons. By suppressing neuronal activities of SpNs, theMP-BP transition has been impaired. Moreover, it was revealed that SpNs send glutamate signals to migrating neurons via synaptic transmission.

Academic Significance and Societal Importance of the Research Achievements

SpNは主に胎生期に機能を果たしたのち、細胞死によって失われる。この細胞死が正常通り起こらず残存しているSpNが自閉症患者の脳では多く見られる。すなわち、胎生期における機能と、生後は数が減ることで神経回路のバランスを保っており、健常な状態を作り上げていると考えられる。したがってSpNの発生、機能発現、そしてその細胞死のメカニズムを知ることは、様々な精神疾患の理解のために重要である。本研究はこのようなSpNの詳細な解析をすることで、最終的には精神疾患の原因解明に寄与できるのではないかと考えている。

Report

(4 results)
  • 2019 Annual Research Report   Final Research Report ( PDF )
  • 2018 Research-status Report
  • 2017 Research-status Report
  • Research Products

    (35 results)

All 2020 2019 2018 2017 Other

All Int'l Joint Research (1 results) Journal Article (4 results) (of which Peer Reviewed: 2 results,  Open Access: 2 results) Presentation (25 results) (of which Int'l Joint Research: 8 results,  Invited: 18 results) Remarks (4 results) Funded Workshop (1 results)

  • [Int'l Joint Research] Unversity of Oxford(英国)

    • Related Report
      2019 Annual Research Report
  • [Journal Article] Subplate Neurons as an Organizer of Mammalian Neocortical Development2020

    • Author(s)
      Ohtaka-Maruyama Chiaki
    • Journal Title

      Frontiers in Neuroanatomy

      Volume: 14 Pages: 8-8

    • DOI

      10.3389/fnana.2020.00008

    • Related Report
      2019 Annual Research Report
    • Peer Reviewed / Open Access
  • [Journal Article] Synaptic transmission from subplate neurons controls radial migration of neocortical neurons2019

    • Author(s)
      丸山千秋、前田信明
    • Journal Title

      生化学

      Volume: 91 Issue: 1 Pages: 101-104

    • DOI

      10.14952/SEIKAGAKU.2019.910101

    • NAID

      40021833055

    • ISSN
      0037-1017
    • Year and Date
      2019-02-25
    • Related Report
      2018 Research-status Report
  • [Journal Article] サブプレートニューロンから移動ニューロンへのシナプス伝達は大脳新皮質におけるニューロンの放射状移動を制御する2018

    • Author(s)
      丸山千秋、前田信明
    • Journal Title

      First Author's

      Volume: 5 Pages: 053

    • DOI

      10.7875/first.author.2018.053

    • Related Report
      2018 Research-status Report
    • Open Access
  • [Journal Article] Synaptic transmission from subplate neurons controls radial migration of neocortical neurons2018

    • Author(s)
      Ohtaka-Maruyama C, Okamoto M, Endo K, Oshima M, Kaneko N, Yura K, Okado H, Miyata T, Maeda N
    • Journal Title

      Science

      Volume: 360 Pages: 313-317

    • NAID

      40021833055

    • Related Report
      2017 Research-status Report
    • Peer Reviewed
  • [Presentation] サブプレートニューロンの神経活動による大脳新皮質構築のメカニズム2020

    • Author(s)
      丸山 千秋
    • Organizer
      2019年度 自然科学研究機構分野融合型共同研究事業 ワークショップ「運動・行動から紐解く脳神経回路発達メカニズムの異分野融合による解明」
    • Related Report
      2019 Annual Research Report
    • Invited
  • [Presentation] 脳構築の“場”としてのサブプレート層の大脳新皮質発生における機能2019

    • Author(s)
      丸山 千秋
    • Organizer
      次世代脳プロジェクト冬のシンポジウム
    • Related Report
      2019 Annual Research Report
    • Invited
  • [Presentation] 細胞外基質プロテアーゼによる発生期大脳新皮質のサグプレート層における神経細胞移動制御2019

    • Author(s)
      金子 乃愛
    • Organizer
      次世代脳プロジェクト冬のシンポジウム
    • Related Report
      2019 Annual Research Report
    • Invited
  • [Presentation] Multifunction of subplate neurons in the developing cerebral cortex2019

    • Author(s)
      丸山 千秋
    • Organizer
      第42回日本分子生物学会年会
    • Related Report
      2019 Annual Research Report
    • Invited
  • [Presentation] 発生期大脳新皮質のサブプレート層におけるECMリモデリングは放射状神経細胞移動を制御する2019

    • Author(s)
      金子 乃愛
    • Organizer
      第42回日本分子生物学会年会
    • Related Report
      2019 Annual Research Report
  • [Presentation] Subplate neurons function as an organizer in neocortical development2019

    • Author(s)
      Ohtaka-Maruyama C
    • Organizer
      49th Annual Meeting of the Society for Neuroscience(北米神経科学会)
    • Related Report
      2019 Annual Research Report
    • Int'l Joint Research / Invited
  • [Presentation] Extracellular matrix reorganization in the subplate layer is important for the regulation or neuronal migration in the developing2019

    • Author(s)
      Kaneko N
    • Organizer
      49th Annual Meeting of the Society for Neuroscience(北米神経科学会)
    • Related Report
      2019 Annual Research Report
    • Int'l Joint Research / Invited
  • [Presentation] Subplate neurons function as key players in neocortical development and evolution2019

    • Author(s)
      Ohtaka-Maruyama C
    • Organizer
      21thTMIMS International Symposium『Overcoming neuropsychopharmacology crisis』
    • Related Report
      2019 Annual Research Report
    • Int'l Joint Research / Invited
  • [Presentation] Subplate neurons function as key players in neocortical development and evolution2019

    • Author(s)
      Ohtaka-Maruyama C
    • Organizer
      20thTMIMS International Symposium 『Principles of Neocortical Development and Evolution』
    • Related Report
      2019 Annual Research Report
    • Int'l Joint Research / Invited
  • [Presentation] ADAMTS2 regulates radial migration in the developing cortex by reorganizing ECM in the subplate layer.2019

    • Author(s)
      Kaneko N
    • Organizer
      20thTMIMS International Symposium『Principles of Neocortical Development and Evolution』
    • Related Report
      2019 Annual Research Report
    • Int'l Joint Research / Invited
  • [Presentation] 「哺乳類大脳新皮質の発生・進化におけるサブプレートニューロンの役割」「A novel function of subplate neurons in radial migration and its implication in the evolution of mammalian neocortical layer structure」2019

    • Author(s)
      Ohtaka-Maruyama C
    • Organizer
      The 42nd Annual Meeting of the japan Neuroscience Society(第42回日本神経科学大会)シンポジウム『Molecular mechanisms for making specific neuronal circuits 種特異的神経回路の構築と作動原理の解明』
    • Related Report
      2019 Annual Research Report
    • Invited
  • [Presentation] Radial neuronal migration in the neocortex is regulated by ADAMTS2 that reorganizes ECM in the subplate layer2019

    • Author(s)
      Kaneko N
    • Organizer
      The 42nd Annual Meeting of the japan Neuroscience Society(第42回日本神経科学大会)
    • Related Report
      2019 Annual Research Report
    • Invited
  • [Presentation] 脳構築におけるサブプレート層の機能解明2019

    • Author(s)
      丸山 千秋
    • Organizer
      第4回領域班会議『脳構築における発生時計と場の連携』
    • Related Report
      2019 Annual Research Report
  • [Presentation] 発生期マウス大脳新皮質におけるEMCプロテアーゼによる神経細胞移動制御2019

    • Author(s)
      金子 乃愛
    • Organizer
      第4回領域班会議『脳構築における発生時計と場の連携』
    • Related Report
      2019 Annual Research Report
  • [Presentation] 脳はどのようにしてできるのか?~ニューロンから脳へ~2019

    • Author(s)
      丸山 千秋
    • Organizer
      2019年度都医学研都民講座第3回『赤ちゃんの脳をすくすく育てる』
    • Related Report
      2019 Annual Research Report
    • Invited
  • [Presentation] Synaptic transmission from subplate neurons controls radial migration of neocortical neurons.2018

    • Author(s)
      Ohtaka-Maruyama C
    • Organizer
      ISDN2018, 22nd Biennial Meeting of the International Society for Developmental Neuroscience「Development of circuit, functions, and disorders in the NERVOUS SYSTEM」
    • Related Report
      2018 Research-status Report
    • Int'l Joint Research / Invited
  • [Presentation] Synaptic transmission from subplate neurons controls radial migration of neocortical neurons.2018

    • Author(s)
      Ohtaka-Maruyama C, Okamoto M, Endo K, Oshima M, Kaneko N, Yura K, Okado H, Miyata H, Maeda N
    • Organizer
      Joint Annual Meeting of JSDB 51st and JSCB 70th, Tokyo2018 Cell and Developmental Biology Meeting.
    • Related Report
      2018 Research-status Report
    • Int'l Joint Research / Invited
  • [Presentation] 哺乳類大脳新皮質の発生、進化におけるサブプレート層の役割2018

    • Author(s)
      丸山千秋
    • Organizer
      第41回日本分子生物学会年会ワークショップ「脳発生プログラムの複雑化とその進化」
    • Related Report
      2018 Research-status Report
    • Invited
  • [Presentation] 大脳新皮質形成におけるサブプレートニューロンの新規の機能2018

    • Author(s)
      丸山千秋
    • Organizer
      第二回和光-精神神経懇話会「基礎神経科学と臨床医学の融合による脳機能・精神 神経疾患の統合的理解」
    • Related Report
      2018 Research-status Report
    • Invited
  • [Presentation] Functional role of subplate neurons in neocortical development and evolution2018

    • Author(s)
      丸山千秋
    • Organizer
      遺伝研研究会「哺乳類脳の機能的神経回路の構築メカニズム」
    • Related Report
      2018 Research-status Report
    • Invited
  • [Presentation] サブプレートニューロンはシナプス伝達を介して放射状神経細胞移動を制御する2018

    • Author(s)
      丸山千秋
    • Organizer
      第11回神経発生討論会
    • Related Report
      2017 Research-status Report
  • [Presentation] Synaptic transmission from subplate neurons controls radial migration of neocortical neurons2017

    • Author(s)
      Ohtaka-Maruyama C
    • Organizer
      FENS Brain Conference「Cortex Evolution and Development」
    • Related Report
      2017 Research-status Report
    • Int'l Joint Research / Invited
  • [Presentation] ECM remodeling in the neocortex during radial migration of excitatory neurons2017

    • Author(s)
      Ohtaka-Maruyama C, Kaneko N, Oshima M, Yura K, Maeda N
    • Organizer
      第40回日本神経科学大会
    • Related Report
      2017 Research-status Report
  • [Presentation] 細胞外基質プロテアーゼによる放射状神経細胞移動制御2017

    • Author(s)
      金子乃愛、丸山千秋、大島実莉、由良敬、前田信明
    • Organizer
      第40回日本分子生物学会
    • Related Report
      2017 Research-status Report
  • [Presentation] 発生期大脳皮質のサブプレートニューロンは多極性細胞との一過的なシナプス形成を介してロコモーションモードへの移行を促進する2017

    • Author(s)
      丸山千秋、岡本麻友美、金子乃愛、大島実莉、由良敬、宮田卓樹、前田信明
    • Organizer
      第40回日本分子生物学会
    • Related Report
      2017 Research-status Report
  • [Remarks] 都民講座「赤ちゃんの脳をすくすく育てる」開催報告

    • URL

      http://www.igakuken.or.jp/public/column.html#190714

    • Related Report
      2019 Annual Research Report
  • [Remarks] 第20回都医学研国際シンポジウム 開催報告

    • URL

      http://www.igakuken.or.jp/public/column.html#190730

    • Related Report
      2019 Annual Research Report
  • [Remarks] 公益財団法人東京都医学総合研究所

    • URL

      http://www.igakuken.or.jp/

    • Related Report
      2018 Research-status Report
  • [Remarks] 東京都医学総合研究所・神経回路形成プロジェクト

    • URL

      http://www.igakuken.or.jp/regeneration/

    • Related Report
      2017 Research-status Report
  • [Funded Workshop] 第20回都医学研国際シンポジウム「Principles of Neocortical Development and Evolution]2019

    • Related Report
      2019 Annual Research Report

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Published: 2017-04-28   Modified: 2021-02-19  

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