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The molecular mechanism of dendritic cell chemotaxis focused on traction force and tissue stiffness

Research Project

Project/Area Number 19K16127
Research Category

Grant-in-Aid for Early-Career Scientists

Allocation TypeMulti-year Fund
Review Section Basic Section 44010:Cell biology-related
Research InstitutionNara Institute of Science and Technology

Principal Investigator

Kentarou Baba  奈良先端科学技術大学院大学, 先端科学技術研究科, 助教 (80836693)

Project Period (FY) 2019-04-01 – 2021-03-31
Project Status Completed (Fiscal Year 2020)
Budget Amount *help
¥4,160,000 (Direct Cost: ¥3,200,000、Indirect Cost: ¥960,000)
Fiscal Year 2020: ¥2,080,000 (Direct Cost: ¥1,600,000、Indirect Cost: ¥480,000)
Fiscal Year 2019: ¥2,080,000 (Direct Cost: ¥1,600,000、Indirect Cost: ¥480,000)
Keywords走化性 / 細胞移動 / 樹状細胞 / アクチン / クラッチ分子 / 細胞接着分子 / 免疫 / コラーゲン
Outline of Research at the Start

細胞外の誘引物質の濃度の高い側へ細胞が移動することを走化性という。樹状細胞は体中の組織に分布しており体内に侵入した病原体を取り込んだ後、誘引物質の濃度の高い側へ移動し病原体情報をT細胞へ知らせる。この情報を受け取ったT細胞は病原体を排除するための免疫系を活性化させる。この様に、樹状細胞の走化性は免疫系において重要である。しかしながら、樹状細胞がどのようにして走化性のための力を生み出し様々な硬さの組織の中を移動するのか、その仕組みは解っていない。本研究では、力と組織の硬さに着目し樹状細胞の走化性の仕組みを明らかにする。本研究の成果は免疫系が機能しない患者の病態原因の理解や治療法開発に貢献する。

Outline of Final Research Achievements

Dendritic cell has chemotaxis for chemical attractant such as CCL19. Dendritic cell migrates toward CCL19 source side. However, the clutch molecule-mediated molecular mechanism of dendritic cell chemotaxis is not well understood. In this study, we found that shootin1b functions as a clutch molecule which couples retrograde flow actin filaments with cell adhesion molecule L1 to produce traction force for CCL19-toward chemotactic migration. And we found that the dendritic cell migration mode is changed in response to soft collagen gel and hard collagen gel, and then we found that shootin1b is involved in the dendritic cell migration from lymph duct into lymph node in vivo.

Academic Significance and Societal Importance of the Research Achievements

免疫応答の誘導のためには樹状細胞の走化性が重要であり、樹状細胞の走化性の破綻は、病原体感染の抵抗力減少といった免疫応答の障害を引き起こす(Ato M et al., J. Immunol. 2006)。本研究成果は樹状細胞の走化性機構の理解を深めるだけでなく、免疫応答の障害の原因解明にも貢献し、人々の疾病予防にも寄与する可能性がある。また、走化性は神経回路形成や上皮組織修復、個体発生など様々な生命機能に関わる。本研究によりshootin1bを介した走化性機構を発見した。この発見は樹状細胞の走化性を研究する分野だけでなく、細胞生物学、神経科学、発生生物学の分野において学術的波及効果が期待できる。

Report

(3 results)
  • 2020 Annual Research Report   Final Research Report ( PDF )
  • 2019 Research-status Report
  • Research Products

    (13 results)

All 2021 2020 2019

All Journal Article (3 results) (of which Int'l Joint Research: 2 results,  Peer Reviewed: 3 results,  Open Access: 3 results) Presentation (10 results) (of which Int'l Joint Research: 6 results,  Invited: 3 results)

  • [Journal Article] Shootin1a-mediated actin-adhesion coupling generates force to trigger structural plasticity of dendritic spines2021

    • Author(s)
      Kastian Ria、Minegishi Takunori、Baba Kentarou、Saneyoshi Takeo、Katsuno-Kambe Hiroko、Saranpal Singh、Hayashi Yasunori、Inagaki Naoyuki
    • Journal Title

      Cell Report

      Volume: -

    • Related Report
      2020 Annual Research Report
    • Peer Reviewed / Open Access / Int'l Joint Research
  • [Journal Article] An artificial amphiphilic peptide promotes endocytic uptake by inducing membrane curvature2020

    • Author(s)
      Masuda Toshihiro、Hirose Hisaaki、Baba Kentarou、Walrant Astrid、SAGAN Sandrine、Inagaki Naoyuki、FUJIMOTO TOYOSHI、Futaki Shiroh
    • Journal Title

      Bioconjugate Chemistry

      Volume: - Issue: 6 Pages: 1611-1615

    • DOI

      10.1021/acs.bioconjchem.0c00239

    • Related Report
      2020 Annual Research Report 2019 Research-status Report
    • Peer Reviewed / Open Access / Int'l Joint Research
  • [Journal Article] An influenza-derived membrane tension-modulating peptide regulates cell movement and morphology via actin remodeling2019

    • Author(s)
      Masuda Toshihiro、Baba Kentarou、Nomura Takeshi、Tsujita Kazuya、Murayama Tomo、Itoh Toshiki、Takatani-Nakase Tomoka、Sokabe Masahiro、Inagaki Naoyuki、Futaki Shiroh
    • Journal Title

      Communications Biology

      Volume: 2 Issue: 1 Pages: 243-243

    • DOI

      10.1038/s42003-019-0486-3

    • Related Report
      2019 Research-status Report
    • Peer Reviewed / Open Access
  • [Presentation] モータータンパク質を介した神経細胞内輸送の極成化2020

    • Author(s)
      稲垣直之、馬場健太郎、前野貴則、鳥山道則、勝野弘子、山田 達也、作村 諭一
    • Organizer
      第72回日本細胞生物学会シンポジウム「細胞内物質輸送システム;温故知新」
    • Related Report
      2020 Annual Research Report
    • Invited
  • [Presentation] Shootin1A-mediated-actin-adhesion coupling triggers formation and plasticity of dendritic spines2020

    • Author(s)
      Ria Kastian、Takunori Minegishi、Kentarou Baba、Takeo Saneyoshi、Hiroko Katsuno-kambe、Singh Saranpal、Yasunori Hayashi、Naoyuki Inagaki
    • Organizer
      Philippine Society for Developmental Biology (PSDB) National Annual Convention
    • Related Report
      2020 Annual Research Report
    • Int'l Joint Research / Invited
  • [Presentation] Shootin1b as a clutch molecule for dendritic cell chemotaxis2020

    • Author(s)
      Kentarou Baba、Yoshikazu Nagashima、Mizuki Sakai、Ryosuke Takeuchi、Yasuna Higashiguchi、Hiroko Katsuno-Kambe、Yoshihiro Ueda、Yuji Kamioka、Tatsuo Kinashi、Naoyuki Inagaki
    • Organizer
      The American Society for Cell Biology 2020
    • Related Report
      2020 Annual Research Report
    • Int'l Joint Research
  • [Presentation] Shootin1a-mediated Actin-adhesion Coupling Generates Force To Trigger Structural Plasticity of Dendritic Spines2020

    • Author(s)
      Ria Kastian、Takunori Minegishi、Kentarou Baba、Takeo Saneyoshi、Hiroko Katsuno-kambe、Singh Saranpal、Yasunori Hayashi、Naoyuki Inagaki
    • Organizer
      The American Society for Cell Biology 2020
    • Related Report
      2020 Annual Research Report
    • Int'l Joint Research
  • [Presentation] Adhesion Strength of Axonal Growth Cone and Its Contribution in Axon Outgrowth Evaluated by Femtosecond Laser2020

    • Author(s)
      Sohei Yamada、Kentaro Baba、Naoyuki Inagaki、Yoichiroh Hosokawa
    • Organizer
      The American Society for Cell Biology 2020
    • Related Report
      2020 Annual Research Report
    • Int'l Joint Research
  • [Presentation] Shootin1a dephosphorylation by protein phosphatase-1 for netrin-1-induced axon guidance2020

    • Author(s)
      Napol Kaewkascholkul、Hisashi Sasaki、Kentaro Baba、Michinori Toriyama、Naoyuki Inagaki
    • Organizer
      The American Society for Cell Biology 2020
    • Related Report
      2020 Annual Research Report
    • Int'l Joint Research
  • [Presentation] Shootin1-Mediated Molecular Mechanics of Axon Guidance and Neuronal Migration2019

    • Author(s)
      稲垣直之、馬場健太郎、嶺岸卓徳、阿部幸喜
    • Organizer
      EMBO Workshop Emerging Concepts of the Neuronal Cytoskeleton
    • Related Report
      2019 Research-status Report
    • Int'l Joint Research / Invited
  • [Presentation] Microfabrication of Glass-supported Thin Polymer Film for Arranging and Networking Live Cells by Femtosecond Laser Processing2019

    • Author(s)
      岡野和宣、馬場健太郎、矢神希生、阿部幸喜、稲垣直之、細川陽一郎
    • Organizer
      TOIN International Symposium on Biomedical Engineering 2019
    • Related Report
      2019 Research-status Report
  • [Presentation] Shootin1b-mediated chemotaxis mechanism in dendritic cell2019

    • Author(s)
      馬場健太郎、長嶋慶和、酒井瑞貴, 東口泰奈、勝野弘子、稲垣直之
    • Organizer
      第42回日本分子生物学会年会
    • Related Report
      2019 Research-status Report
  • [Presentation] Shootin1aと細胞接着分子N-cadherinの相互作用による軸索ガイダンスの制御機構の解析2019

    • Author(s)
      山田紗希、馬場健太郎、稲垣直之
    • Organizer
      第42回日本分子生物学会年会
    • Related Report
      2019 Research-status Report

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Published: 2019-04-18   Modified: 2022-01-27  

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