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Elucidation of mechanotransduction mechanisms with visualization of molecules

Research Project

Project/Area Number 19H01020
Research Category

Grant-in-Aid for Scientific Research (A)

Allocation TypeSingle-year Grants
Section一般
Review Section Medium-sized Section 48:Biomedical structure and function and related fields
Research InstitutionKyoto University

Principal Investigator

Watanabe Naoki  京都大学, 生命科学研究科, 教授 (80303816)

Project Period (FY) 2019-04-01 – 2022-03-31
Project Status Completed (Fiscal Year 2021)
Budget Amount *help
¥44,980,000 (Direct Cost: ¥34,600,000、Indirect Cost: ¥10,380,000)
Fiscal Year 2021: ¥21,840,000 (Direct Cost: ¥16,800,000、Indirect Cost: ¥5,040,000)
Fiscal Year 2020: ¥13,130,000 (Direct Cost: ¥10,100,000、Indirect Cost: ¥3,030,000)
Fiscal Year 2019: ¥10,010,000 (Direct Cost: ¥7,700,000、Indirect Cost: ¥2,310,000)
Keywordsメカノトランスダクション / アクチン重合 / ブラウンラチェット / 動的不安定性 / 超解像可視化用プローブ / がん治療キナーゼ阻害薬 / 逆説的標的分子活性化 / アロステリック作用 / 細胞接着 / アクチン流動 / 単分子イメージング / ブラウンラチェット仮説 / キナーゼ阻害薬 / 超解像顕微鏡 / 蛍光単分子イメージング / フォルミンファミリー / アクチン重合センサー / 分子標的薬 / Src / 力覚センサー / 細胞運動 / 接着斑 / アクチン / 物理ストレス
Outline of Research at the Start

生体は様々な物理ストレスに曝される。蛍光単分子イメーンジングを用いた申請者の先行研究によって、数ミクロンの細胞表層の歪みストレスに応答するアクチン線維回生機構や、力学的作用による細胞内アクチン線維の安定化とその分子機序の一端が明らかとなった。本研究では、細胞内にかかる力学作用と構造変換、その細胞外マトリクスへの伝播、個体レベルの力学制御分子機構の役割について、独自のeSiMS単分子イメージング顕微鏡およびIRIS多重超解像顕微鏡を用いた、リアルタイムの分子動態捕捉と高分解能生体構造可視化によって、細胞から個体レベルの多階層において解明する。

Outline of Final Research Achievements

This project aimed to elucidate mechanotransduction mechanisms by fluorescence single-molecule imaging. First, the actin plus-end in contact with the leading-edge plasma membrane was found to function as a Brownian ratchet-based force sensor, driving cell protrusion in response to traction force. Second, at the leading edge, newly-polymerized actin was found to disassemble quickly (~15% within a half second), which shares similarity with dynamic instability of microtubules. Third, several methods to develop fluorescent probes optimized for original multi-target super-resolution microscopy IRIS have been devised. Fourth, anti-cancer kinase inhibitors were found to allosterically activate its target c-Src and promote the complex formation with FAK at focal adhesions. In cells harboring drug-resistant mutation in SRC gene, kinase inhibitors prematurely dissociate from the Src-FAK complex, leading to tyrosine phosphorylation of FAK and paradoxical cancer cell proliferation.

Academic Significance and Societal Importance of the Research Achievements

細胞先導端に接するアクチン重合端が単に押す力を発生するのみならず、力のセンサーとして細胞伸展を制御するしくみの発見は、細胞・組織再生の力学的制御への応用開発に潜在的な可能性がある。また、がん治療薬の予期せぬ副作用のメカニズムの発見は、使用上の注意を促すだけでなく、低分子量阻害薬の特異性スペクトラムをどう改良すべきについての再考を促すとともに、阻害薬をベースとした細胞シグナルの部分的活性薬開発の可能性も示唆している。IRIS用プローブの既存のモノクローナル抗体からの迅速改良法と合わせ、今後個体レベルの解析・臨床応用が期待される複数の原理が、細胞分子イメージングによる直接観察から得られた。

Report

(5 results)
  • 2021 Annual Research Report   Final Research Report ( PDF )
  • 2020 Annual Research Report
  • 2019 Comments on the Screening Results   Annual Research Report
  • Research Products

    (40 results)

All 2022 2021 2020 2019 Other

All Int'l Joint Research (3 results) Journal Article (11 results) (of which Int'l Joint Research: 6 results,  Open Access: 8 results,  Peer Reviewed: 7 results) Presentation (20 results) (of which Int'l Joint Research: 5 results,  Invited: 5 results) Book (2 results) Remarks (4 results)

  • [Int'l Joint Research] Lehigh Univerisity/NIH(米国)

    • Related Report
      2021 Annual Research Report
  • [Int'l Joint Research] National Institutes of Health/Lehigh University(米国)

    • Related Report
      2020 Annual Research Report
  • [Int'l Joint Research] Lehigh University(米国)

    • Related Report
      2019 Annual Research Report
  • [Journal Article] Fast-dissociating but highly specific antibodies are novel tools in biology, especially useful for multiplex super-resolution microscopy2021

    • Author(s)
      Miyoshi Takushi, Friedman Thomas B., Watanabe Naoki
    • Journal Title

      STAR Protocols

      Volume: 2 Issue: 4 Pages: 100967-100967

    • DOI

      10.1016/j.xpro.2021.100967

    • Related Report
      2021 Annual Research Report
    • Open Access / Int'l Joint Research
  • [Journal Article] Semi-automated single-molecule microscopy screening of fast-dissociating specific antibodies directly from hybridoma cultures2021

    • Author(s)
      Miyoshi Takushi、Zhang Qianli、Miyake Takafumi、Watanabe Shin、Ohnishi Hiroe、Chen Jiji、Vishwasrao Harshad D.、Chakraborty Oisorjo、Belyantseva Inna A.、Perrin Benjamin J.、Shroff Hari、Friedman Thomas B.、Omori Koichi、Watanabe Naoki
    • Journal Title

      Cell Reports

      Volume: 34 Issue: 5 Pages: 108708-108708

    • DOI

      10.1016/j.celrep.2021.108708

    • Related Report
      2020 Annual Research Report
    • Peer Reviewed / Open Access / Int'l Joint Research
  • [Journal Article] Paradoxical activation of c-Src as a drug-resistant mechanism2021

    • Author(s)
      Higuchi Makio、Ishiyama Kenichi、Maruoka Masahiro、Kanamori Ryosuke、Takaori-Kondo Akifumi、Watanabe Naoki
    • Journal Title

      Cell Reports

      Volume: 34 Issue: 12 Pages: 108876-108876

    • DOI

      10.1016/j.celrep.2021.108876

    • NAID

      120006997013

    • Related Report
      2020 Annual Research Report
    • Peer Reviewed / Open Access
  • [Journal Article] A mechanism with severing near barbed ends and annealing explains structure and dynamics of dendritic actin networks2021

    • Author(s)
      Holz Danielle、Hall Aaron R.、Usukura Eiji、Yamashiro Sawako、Watanabe Naoki、Vavylonis Dimitrios
    • Journal Title

      bioRxiv

      Volume: -

    • DOI

      10.1101/2021.03.31.437985

    • Related Report
      2020 Annual Research Report
    • Open Access / Int'l Joint Research
  • [Journal Article] 細胞内蛍光単分子イメージングによるミオシン張力依存的なアクチン線維安定化の証明2021

    • Author(s)
      山城佐和子、渡邊直樹
    • Journal Title

      生体の科学

      Volume: 72

    • Related Report
      2020 Annual Research Report
  • [Journal Article] Single-molecule visualization of mechanotransduction though actin network systems2020

    • Author(s)
      渡邊 直樹、山城 佐和子
    • Journal Title

      生化学

      Volume: 92 Issue: 1 Pages: 84-93

    • DOI

      10.14952/SEIKAGAKU.2020.920084

    • NAID

      40022176132

    • ISSN
      0037-1017
    • Year and Date
      2020-02-25
    • Related Report
      2019 Annual Research Report
    • Peer Reviewed / Open Access
  • [Journal Article] mDia1/3-dependent actin polymerization spatiotemporally controls LAT phosphorylation by Zap70 at the immune synapse.2020

    • Author(s)
      Thumkeo, D., Katsura, Y., Nishimura, Y., Kanchanawong, P., Tohyama, K., Ishizaki, T., Kitajima, S., Takahashi, C., Hirata, T., Watanabe, N., Krummel, M. F., and Narumiya, S.
    • Journal Title

      Sci. Adv.

      Volume: 6 Issue: 1 Pages: 2432-2432

    • DOI

      10.1126/sciadv.aay2432

    • NAID

      120006777011

    • Related Report
      2019 Annual Research Report
    • Peer Reviewed / Open Access / Int'l Joint Research
  • [Journal Article] Quantitative high-precision imaging of myosin-dependent filamentous actin dynamics.2020

    • Author(s)
      Yamashiro Sawako, Watanabe Naoki
    • Journal Title

      Journal of Muscle Research and Cell Motility

      Volume: 41 Issue: 1 Pages: 163-173

    • DOI

      10.1007/s10974-019-09541-x

    • Related Report
      2019 Annual Research Report
    • Peer Reviewed
  • [Journal Article] Lamellipodium tip actin barbed ends serve as a force sensor2019

    • Author(s)
      Koseki Kazuma、Taniguchi Daisuke、Yamashiro Sawako、Mizuno Hiroaki、Vavylonis Dimitrios、Watanabe Naoki
    • Journal Title

      Genes to Cells

      Volume: 24 Issue: 11 Pages: 705-718

    • DOI

      10.1111/gtc.12720

    • Related Report
      2019 Annual Research Report
    • Peer Reviewed / Open Access / Int'l Joint Research
  • [Journal Article] RECK in Neural Precursor Cells Plays a Critical Role in Mouse Forebrain Angiogenesis2019

    • Author(s)
      Li Huiping、Miki Takao、Almeida Glicia Maria de、Hanashima Carina、Matsuzaki Tomoko、Kuo Calvin J.、Watanabe Naoki、Noda Makoto
    • Journal Title

      iScience

      Volume: 19 Pages: 559-571

    • DOI

      10.1016/j.isci.2019.08.009

    • Related Report
      2019 Annual Research Report
    • Peer Reviewed / Open Access / Int'l Joint Research
  • [Journal Article] 蛍光単分子イメージングが解き明かすミオシン張力によるアクチン線維安定化2019

    • Author(s)
      山城 佐和子、渡邊 直樹
    • Journal Title

      メディカル・サイエンス・ダイジェスト

      Volume: 45 Pages: 434-437

    • Related Report
      2019 Annual Research Report
  • [Presentation] チロシンキナーゼ阻害薬が引き起こす逆説的Src活性化とがん細胞増殖2022

    • Author(s)
      渡邊直樹、樋口牧郎
    • Organizer
      第95回日本薬理学会年会
    • Related Report
      2021 Annual Research Report
  • [Presentation] 抗がんキナーゼ阻害薬が標的を活性化する危険性2022

    • Author(s)
      渡邊直樹
    • Organizer
      2022年生体運動研究合同班会議
    • Related Report
      2021 Annual Research Report
  • [Presentation] Motion Analysis Of Actin Oligomer In Lamellipodia By SiMS Microscopy2022

    • Author(s)
      臼倉英治、山城佐和子、渡邊直樹
    • Organizer
      2022年生体運動研究合同班会議
    • Related Report
      2021 Annual Research Report
  • [Presentation] Single-molecule speckle (SiMS) analysis of vinculin-actin interaction in lamellipodia2022

    • Author(s)
      Ying LIU, Sawako YAMASHIRO, Naoki WATANABE
    • Organizer
      2022年生体運動研究合同班会議
    • Related Report
      2021 Annual Research Report
  • [Presentation] Paradoxical Src activation and cancer cell proliferation induced by tyrosine kinase inhibitors2021

    • Author(s)
      Naoki Watanabe and Makio Higuchi
    • Organizer
      CellBio Virtual 2021
    • Related Report
      2021 Annual Research Report
    • Int'l Joint Research
  • [Presentation] アクチン線維流動と接着斑分子ダイナミクスの定量的単分子イメージング解析2021

    • Author(s)
      山城佐和子、劉穎、渡邊直樹
    • Organizer
      第44回日本分子生物学会年会
    • Related Report
      2021 Annual Research Report
  • [Presentation] 抗がん薬による逆説的な細胞増殖促進&先導端アクチンの動的不安定性2021

    • Author(s)
      渡邊直樹
    • Organizer
      「認識と形成」研究会
    • Related Report
      2021 Annual Research Report
  • [Presentation] Contemplation on ‘spare molecules’ in G/F-actin homeostasis and formin homology proteins2021

    • Author(s)
      Naoki Watanabe
    • Organizer
      第73回日本細胞生物学会大会
    • Related Report
      2021 Annual Research Report
    • Invited
  • [Presentation] 高精度単分子イメージングによるアクチン繊維流動-接着斑連関の可視化解明2021

    • Author(s)
      山城佐和子、劉穎、渡邊直樹
    • Organizer
      第73回日本細胞生物学会大会
    • Related Report
      2021 Annual Research Report
  • [Presentation] New insights into the retrograde F-actin flow associated motions of focal adhesion molecules visualized by single-molecule speckle (SiMS) microscopy2020

    • Author(s)
      Sawako Yamashiro, Ying Liu, Dimitrios Vavylonis, Naoki Watanabe
    • Organizer
      第43回日本分子生物学会年会
    • Related Report
      2020 Annual Research Report
    • Invited
  • [Presentation] Retrograde actin flow-associated motions of focal adhesion molecules visualized by single-molecule speckle (SiMS) microscopy2020

    • Author(s)
      Sawako Yamashiro, Ying Liu, Naoki Watanabe
    • Organizer
      American Society for Cell Biology/EMBO Meeting
    • Related Report
      2020 Annual Research Report
    • Int'l Joint Research
  • [Presentation] ラメリポディアが動物細胞に普遍的に存在する理由2020

    • Author(s)
      渡邊 直樹、山城 佐和子
    • Organizer
      生体運動研究合同班会議 2020
    • Related Report
      2019 Annual Research Report
  • [Presentation] Translation of mechanical forces through cellular actin systems2019

    • Author(s)
      Naoki Watanabe
    • Organizer
      The 11th TOYOTA RIKEN International Workshop
    • Related Report
      2019 Annual Research Report
    • Int'l Joint Research / Invited
  • [Presentation] Single-Molecule Dissection of Physico-Biochemical Coupling in Actin System2019

    • Author(s)
      Naoki Watanabe
    • Organizer
      ZEISS-iCeMS Innovation Core Founding Commemorative Symposium
    • Related Report
      2019 Annual Research Report
    • Invited
  • [Presentation] 無制限多重染色と高精細画像を実現した超解像顕微鏡IRIS2019

    • Author(s)
      渡邊 直樹
    • Organizer
      JASIS 2019 ライフサイエンスイノベーションゾーン基調講演
    • Related Report
      2019 Annual Research Report
    • Invited
  • [Presentation] Visualizing the rotation of single actin filaments in living cells2019

    • Author(s)
      通山 潔、山城 佐和子、渡邊 直樹
    • Organizer
      第92回日本薬理学会年会
    • Related Report
      2019 Annual Research Report
  • [Presentation] 単分子イメージングによるアクチン線維流動-接着斑分子連結機構の可視化解明2019

    • Author(s)
      山城 佐和子、劉 穎、渡邊 直樹
    • Organizer
      第19回日本蛋白質科学会・第71回日本細胞生物学会合同年次大会
    • Related Report
      2019 Annual Research Report
  • [Presentation] Retrograde flow-induced biased distribution of actin probes in live cells2019

    • Author(s)
      Yamashiro S, Taniguchi D, Tanaka S, Kiuchi T, Vavylonis D, Watanabe N.
    • Organizer
      The 11th TOYOTA RIKEN International Workshop
    • Related Report
      2019 Annual Research Report
    • Int'l Joint Research
  • [Presentation] Coupling between actin retrograde flow and focal adhesion molecules visualized by single-molecule speckle microscopy2019

    • Author(s)
      Yamashiro S, Liu Y, Watanabe N
    • Organizer
      American Society for Cell Biology / EMBO 2019 meeting
    • Related Report
      2019 Annual Research Report
    • Int'l Joint Research
  • [Presentation] The change of the direction of F-actin caused by the filament disassembly around focal adhesions2019

    • Author(s)
      Kiyoshi Tohyama, Sawako Yamashiro, Naoki Watanabe
    • Organizer
      第57回日本生物物理学会年会
    • Related Report
      2019 Annual Research Report
  • [Book] Plasma Membrane Shaping "Brownian ratchet force sensor at the contacting point between F-actin barbed end and lamellipodium tip plasma membrane"2022

    • Author(s)
      Naoki Watanabe
    • Publisher
      Elsevir
    • ISBN
      9780323899116
    • Related Report
      2021 Annual Research Report
  • [Book] 決定版 阻害剤・活性化剤ハンドブック 「アクチン細胞骨格系阻害薬」の項2019

    • Author(s)
      渡邊 直樹、清末 優子(秋山 徹、河府 和義 編)
    • Total Pages
      648
    • Publisher
      羊土社
    • ISBN
      9784758120999
    • Related Report
      2019 Annual Research Report
  • [Remarks] 小崎J太郎のカジュアルバイオ「キナーゼ阻害薬は両刃の剣か?抵抗性変異との遭遇で細胞を増殖」

    • URL

      https://bio.nikkeibp.co.jp/atcl/column/16/052000031/042800058/

    • Related Report
      2021 Annual Research Report
  • [Remarks] 抗がん剤抵抗性の新規メカニズムの解明 -薬剤抵抗性がん細胞は抗がん剤により増殖する-

    • URL

      https://www.kyoto-u.ac.jp/ja/research-news/2021-03-25

    • Related Report
      2021 Annual Research Report
  • [Remarks] Vavylonis Group, Dept. Physics, Lehigh University

    • URL

      https://www.lehigh.edu/~div206/research.htm

    • Related Report
      2020 Annual Research Report
  • [Remarks] Vavylonis Group Research, Physics, Lehigh Univ.

    • URL

      https://www.lehigh.edu/~div206/research.htm

    • Related Report
      2019 Annual Research Report

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

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