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Molecular mechanism of force-sensing system and gene expression.

Research Project

Project/Area Number 15H04327
Research Category

Grant-in-Aid for Scientific Research (B)

Allocation TypeSingle-year Grants
Section一般
Research Field Molecular biology
Research InstitutionTohoku University

Principal Investigator

Ogura Toshihiko  東北大学, 加齢医学研究所, 教授 (60273851)

Project Period (FY) 2015-04-01 – 2018-03-31
Project Status Completed (Fiscal Year 2017)
Budget Amount *help
¥16,380,000 (Direct Cost: ¥12,600,000、Indirect Cost: ¥3,780,000)
Fiscal Year 2017: ¥3,900,000 (Direct Cost: ¥3,000,000、Indirect Cost: ¥900,000)
Fiscal Year 2016: ¥3,900,000 (Direct Cost: ¥3,000,000、Indirect Cost: ¥900,000)
Fiscal Year 2015: ¥8,580,000 (Direct Cost: ¥6,600,000、Indirect Cost: ¥1,980,000)
Keywords転写 / 遺伝子発現 / 力刺激 / 細胞質/核移行 / MKL2 / メカノトランスダクション / 心臓 / 弁 / 力覚 / Hippo
Outline of Final Research Achievements

We have found that force-sensitive transcriptional co-activator MKL2 shuttles from cytoplasm into nucleus in very rapid response to shear stress, which completes within 10 minutes. We also found that this response is mediated by purinergic receptor activation and subsequent Ca signaling. To explore further the roles played by MKL2, we successfully made Mkl2 KO mice, which shows interesting phenotypes in circulatory system, such as heart and vasculatures. These phenotypes can be explained by a loss of response to mechanical stress in circulation. In addition, we found other unexpected interesting phenotypes in eyes and energy metabolism. We are preparing a manuscript, in which all data found in this project will be included.

Report

(4 results)
  • 2017 Annual Research Report   Final Research Report ( PDF )
  • 2016 Annual Research Report
  • 2015 Annual Research Report
  • Research Products

    (9 results)

All 2017 2015 Other

All Int'l Joint Research (1 results) Journal Article (2 results) (of which Peer Reviewed: 2 results,  Open Access: 2 results,  Acknowledgement Compliant: 2 results) Presentation (4 results) (of which Int'l Joint Research: 1 results,  Invited: 4 results) Book (2 results)

  • [Int'l Joint Research] The Salk Institute(米国)

    • Related Report
      2015 Annual Research Report
  • [Journal Article] Notch and Hippo signaling converge on Strawberry Notch 1 (Sbno1) to synergistically activate Cdx2 during specification of the trophectoderm.2017

    • Author(s)
      Watanabe Y, Miyasaka KY, Kubo A, Kida YS, Nakagawa O, Hirate Y, Sasaki H, Ogura T
    • Journal Title

      Scientific Reports

      Volume: 7:46135 Issue: 1 Pages: 46135-46135

    • DOI

      10.1038/srep46135

    • Related Report
      2017 Annual Research Report
    • Peer Reviewed / Open Access / Acknowledgement Compliant
  • [Journal Article] Notch and Hippo signaling converge on Strawberry Notch 1 (Sbno1) to synergistically activate Cdx2 during specification of the trophectoderm.2017

    • Author(s)
      Y. Watanabe, K.Y. Miyasaka, A. Kubo, Y.S. Kida, O. Nakagawa, Y. Hirate, H. Sasaki, T. Ogura
    • Journal Title

      Scientific Reports

      Volume: 印刷中

    • Related Report
      2016 Annual Research Report
    • Peer Reviewed / Open Access / Acknowledgement Compliant
  • [Presentation] The M project: Mechanical control of Metabolsim, Mitochondria and Muscle2017

    • Author(s)
      Toshihiko Ogura
    • Organizer
      3rd International Symposium on Mechanobiology
    • Related Report
      2017 Annual Research Report
    • Int'l Joint Research / Invited
  • [Presentation] 代謝を調節する力学場としてのアクチン骨格2017

    • Author(s)
      宮坂恒太、久保純、松本健、小椋利彦
    • Organizer
      日本分子生物学会
    • Related Report
      2017 Annual Research Report
    • Invited
  • [Presentation] 力学刺激から考える生命現象と工学技術による革新2017

    • Author(s)
      小椋利彦
    • Organizer
      日本細胞生物学会
    • Related Report
      2017 Annual Research Report
    • Invited
  • [Presentation] 遺伝子発現を制御するメカノトランスダクション2017

    • Author(s)
      小椋利彦
    • Organizer
      日本生理学会
    • Related Report
      2017 Annual Research Report
    • Invited
  • [Book] メカノバイオロジー(発生のメカノバイオロジー)2015

    • Author(s)
      小椋利彦
    • Total Pages
      12
    • Publisher
      化学同人
    • Related Report
      2015 Annual Research Report
  • [Book] 多発性骨髄腫の病態と最新治療(サリドマイド、cereblon、多発性骨髄腫)2015

    • Author(s)
      小椋利彦
    • Total Pages
      7
    • Publisher
      日本臨床
    • Related Report
      2015 Annual Research Report

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Published: 2015-04-16   Modified: 2019-03-29  

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