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The role of cell adhesion plasticity in collective cell behavior

Research Project

Project/Area Number 19K06640
Research Category

Grant-in-Aid for Scientific Research (C)

Allocation TypeMulti-year Fund
Section一般
Review Section Basic Section 44010:Cell biology-related
Research InstitutionKyushu University

Principal Investigator

Matsuzawa Kenji  九州大学, 理学研究院, 講師 (30778668)

Project Period (FY) 2019-04-01 – 2022-03-31
Project Status Completed (Fiscal Year 2021)
Budget Amount *help
¥4,290,000 (Direct Cost: ¥3,300,000、Indirect Cost: ¥990,000)
Fiscal Year 2021: ¥1,300,000 (Direct Cost: ¥1,000,000、Indirect Cost: ¥300,000)
Fiscal Year 2020: ¥1,300,000 (Direct Cost: ¥1,000,000、Indirect Cost: ¥300,000)
Fiscal Year 2019: ¥1,690,000 (Direct Cost: ¥1,300,000、Indirect Cost: ¥390,000)
Keywords上皮細胞接着 / 上皮細胞 / 細胞間コミュニケーション / 細胞骨格 / 集団細胞運動 / シグナル伝達
Outline of Research at the Start

上皮細胞が接着を維持しながら運動する様式を集団細胞運動と呼ぶ。集団細胞運動は、正常発生過程のみならず、がん細胞の浸潤・転移の過程でも観察され。個々の細胞が自由に運動する場合と異なり、細胞集団が効率良く運動するためには、集団を形成する細胞が運動の方向性やスピードを協調させる必要がある。本研究提案では、張力依存的に起こるAJの構成要素のリモデリングと細胞内生化学的シグナ ル(RhoAやERKの活性および細胞内Caイオンの変化)の間に存在するブラックボックスについて、最新の近位プロテオミクス技術およびイメージング技術を駆使し、集団細胞運動の全容解明を目指す。

Outline of Final Research Achievements

Epithelial tissues expand and contract during development and in homeostasis, enabling them to take on complex topologies to seal the interior of the organism from the external environment. Tissue integrity is maintained by dynamically modulating the inherent contractility of each epithelial cell that comprises the tissue, such as during collective cell migration in wound healing. In this research project, I have addressed the mechanisms contributing to epithelial cell sheet homeostasis by focusing on how individual cells regulate their contractility through plasticity of the epithelial cell adhesion complexes.

Academic Significance and Societal Importance of the Research Achievements

上皮細胞間の張力の均衡は、上皮細胞シートの恒常性に必須である。このような細胞同士の間に生じる機械的な張力を介した情報伝達は、上皮細胞の増殖や運動を制御する重要な役割を担うことが近年明らかになっており、今回の成果は、上皮細胞の異常によって生じる癌の病態解明にもつながることが期待される。また、上皮細胞シートの恒常性の破綻は、アトピー性皮膚炎や炎症性腸疾患などの慢性炎症を引き起こすことが明らかになっており、今回の発見は慢性炎症疾患に対する新たな予防法や治療法を開発する上で基礎となる知見である。

Report

(4 results)
  • 2021 Annual Research Report   Final Research Report ( PDF )
  • 2020 Research-status Report
  • 2019 Research-status Report
  • Research Products

    (7 results)

All 2022 2021 2019

All Journal Article (4 results) (of which Peer Reviewed: 4 results,  Open Access: 3 results) Presentation (3 results)

  • [Journal Article] Tricellulin secures the epithelial barrier at tricellular junctions by interacting with actomyosin2022

    • Author(s)
      Cho Yuma、Haraguchi Daichi、Shigetomi Kenta、Matsuzawa Kenji、Uchida Seiichi、Ikenouchi Junichi
    • Journal Title

      Journal of Cell Biology

      Volume: 221 Issue: 4

    • DOI

      10.1083/jcb.202009037

    • Related Report
      2021 Annual Research Report
    • Peer Reviewed
  • [Journal Article] mTORC2 suppresses cell death induced by hypo-osmotic stress by promoting sphingomyelin transport2022

    • Author(s)
      Ono Yumiko、Matsuzawa Kenji、Ikenouchi Junichi
    • Journal Title

      Journal of Cell Biology

      Volume: 221 Issue: 4

    • DOI

      10.1083/jcb.202106160

    • Related Report
      2021 Annual Research Report
    • Peer Reviewed / Open Access
  • [Journal Article] MAGIs regulate aPKC to enable balanced distribution of intercellular tension for epithelial sheet homeostasis2021

    • Author(s)
      Matsuzawa Kenji、Ohga Hayato、Shigetomi Kenta、Shiiya Tomohiro、Hirashima Masanori、Ikenouchi Junichi
    • Journal Title

      Communications Biology

      Volume: 4 Issue: 1 Pages: 1-11

    • DOI

      10.1038/s42003-021-01874-z

    • Related Report
      2020 Research-status Report
    • Peer Reviewed / Open Access
  • [Journal Article] STIM-Orai1 signaling regulates fluidity of cytoplasm during membrane blebbing2021

    • Author(s)
      Aoki Kana、Harada Shota、Kawaji Keita、Matsuzawa Kenji、Uchida Seiichi、Ikenouchi Junichi
    • Journal Title

      Nature Communications

      Volume: 12 Issue: 1 Pages: 1-13

    • DOI

      10.1038/s41467-020-20826-5

    • Related Report
      2020 Research-status Report
    • Peer Reviewed / Open Access
  • [Presentation] Epithelial adhesions modulate junctional contractility to control cell shape change2021

    • Author(s)
      Kenji Matsuzawa
    • Organizer
      The 51st NIPS International Symposium -Frontiers in Epithelial Cell Biology-
    • Related Report
      2021 Annual Research Report
  • [Presentation] MAGI-ASPPを介した細胞の収縮力調節による上皮細胞シートの恒常性維持機構2021

    • Author(s)
      松沢健司、池ノ内順一
    • Organizer
      第73回日本細胞生物学会大会
    • Related Report
      2021 Annual Research Report
  • [Presentation] 上皮細胞極性の形成における接着タンパク質ZOとafadinの相乗的作用の解析2019

    • Author(s)
      松沢健司、大賀隼人、池ノ内順一
    • Organizer
      第42回分子生物学会年会
    • Related Report
      2019 Research-status Report

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Published: 2019-04-18   Modified: 2023-01-30  

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