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Role of increased SET expression in myofibroblasts in the "cancer niche"

Research Project

Project/Area Number 18K05994
Research Category

Grant-in-Aid for Scientific Research (C)

Allocation TypeMulti-year Fund
Section一般
Review Section Basic Section 42020:Veterinary medical science-related
Research InstitutionYamaguchi University

Principal Investigator

Sato Koichi  山口大学, 共同獣医学部, 教授 (90205914)

Project Period (FY) 2018-04-01 – 2021-03-31
Project Status Completed (Fiscal Year 2020)
Budget Amount *help
¥4,290,000 (Direct Cost: ¥3,300,000、Indirect Cost: ¥990,000)
Fiscal Year 2020: ¥1,560,000 (Direct Cost: ¥1,200,000、Indirect Cost: ¥360,000)
Fiscal Year 2019: ¥1,430,000 (Direct Cost: ¥1,100,000、Indirect Cost: ¥330,000)
Fiscal Year 2018: ¥1,300,000 (Direct Cost: ¥1,000,000、Indirect Cost: ¥300,000)
Keywordsがん / SET / 筋線維芽細胞 / CAFs / がんニッチ / 微小環境 / がん微小環境 / 癌ニッチ / ホスファターゼ
Outline of Final Research Achievements

To elucidate the role of increased SET expression in myofibroblasts in the cancer niche, and to provide the basis for anticancer strategies targeting cancer-related myofibroblasts (CAFs), I carried out this project.
As a result of investigating the effect of SET on myofibroblast phenotype and cancer tissue growth using the CAFs-like cell line LmcMF, Smad3 phosphorylation by the CAFs activator TGF-β was promoted by SET KD. It was clarified that the expression of OPG mRNA is suppressed by Smad3 inhibition and that the Smad promoter activity by TGF-β stimulation is promoted by SET KD.From the above, a part of the role of SET in the cancer niche has been clarified.

Academic Significance and Societal Importance of the Research Achievements

がんは人と伴侶動物のどちらにおいても死因の1位となっており、より有効な新規治療法の開発が望まれている。筋線維芽細胞はがん細胞により教育され,癌ニッチにおいて重要な役割を果たすことから創薬標的として注目されている。そのため,正常組織の筋線維芽細胞とがん組織の筋線維芽細胞(CAFs)の違いを明らかにすることが,新規抗がん戦略の創出に不可欠である。

Report

(4 results)
  • 2020 Annual Research Report   Final Research Report ( PDF )
  • 2019 Research-status Report
  • 2018 Research-status Report
  • Research Products

    (4 results)

All 2019 2018

All Journal Article (1 results) (of which Peer Reviewed: 1 results,  Open Access: 1 results) Presentation (3 results)

  • [Journal Article] Distribution of SET/I2PP2A protein in gastrointestinal tissues.2019

    • Author(s)
      Umata K, Sakai Y, Ikeda S, Tsuji S, Kawasaki H, Ohama T, Sato K
    • Journal Title

      PloS One

      Volume: 14 Issue: 9 Pages: e0222845-e0222845

    • DOI

      10.1371/journal.pone.0222845

    • Related Report
      2019 Research-status Report
    • Peer Reviewed / Open Access
  • [Presentation] 肺癌細胞株A549細胞においてPP2A複合体とその阻害タンパク質PME-1が果たす役割の解明2019

    • Author(s)
      池田俊太、大山ゆき、辻竣也、大浜剛、佐藤晃一
    • Organizer
      第162回日本獣医学会学術集会
    • Related Report
      2019 Research-status Report
  • [Presentation] Protein phosphatase 2Aとその阻害タンパク質PME-1のタンパク質間結合を制御する分子機構の解明2019

    • Author(s)
      松本 真春 大山 ゆき 大浜 剛 佐藤 晃一
    • Organizer
      第162回日本獣医学会学術集会
    • Related Report
      2019 Research-status Report
  • [Presentation] がん関連線維芽細胞におけるPP2A阻害タンパク質SETの役割の解明2018

    • Author(s)
      馬田康司、川崎秀吉、辻竣也、大浜剛、佐藤晃一
    • Organizer
      第161回日本獣医学会学術集会
    • Related Report
      2018 Research-status Report

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Published: 2018-04-23   Modified: 2022-01-27  

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