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Studies on the role of FiliGAP (RacGAP) in mesenchymal and amoeboid cell migration.

Research Project

Project/Area Number 22570192
Research Category

Grant-in-Aid for Scientific Research (C)

Allocation TypeSingle-year Grants
Section一般
Research Field Cell biology
Research InstitutionKitasato University

Principal Investigator

OHTA Yasutaka  北里大学, 理学部, 教授 (90192517)

Co-Investigator(Kenkyū-buntansha) SATO Koji  北里大学, 理学部, 助教 (70556901)
Project Period (FY) 2010 – 2012
Project Status Completed (Fiscal Year 2012)
Budget Amount *help
¥4,550,000 (Direct Cost: ¥3,500,000、Indirect Cost: ¥1,050,000)
Fiscal Year 2012: ¥1,300,000 (Direct Cost: ¥1,000,000、Indirect Cost: ¥300,000)
Fiscal Year 2011: ¥1,300,000 (Direct Cost: ¥1,000,000、Indirect Cost: ¥300,000)
Fiscal Year 2010: ¥1,950,000 (Direct Cost: ¥1,500,000、Indirect Cost: ¥450,000)
Keywords細胞運動 / 細胞接着 / 細胞極性 / 低分子量 GTP 結合タンパク質 / 細胞骨格 / small GTPase / 間葉性遊走 / Rho / Rac / 低分子量GTP結合タンパク質
Research Abstract

FilGAP is a Rac-specific GAP that suppresses Rac-depedndent lamellipodia formation and cell spreading. We have investigated how FilGAP is involved in the control of mesenchymal and amoeboid migration of tumor cells in 2-dimensional (2D) and 3-dimensional (3D) environments. (1) We found that FilGAP may restrict the area of lamella formation at the front of migrating cells in 2D. (2) We found that FilGAP is necessary for Bleb formation and amoeboid movement in 3D. Expression of FilGAP stimulates invasion of MDA-MB-231 cells. (3) FilGAP is phosphorylated and activated by Rho/ROCK-signaling. We found that Phosphorylation of FilGAP induces Bleb formation of tumor cells in 3D environment.

Report

(4 results)
  • 2012 Annual Research Report   Final Research Report ( PDF )
  • 2011 Annual Research Report
  • 2010 Annual Research Report
  • Research Products

    (18 results)

All 2012 2011 2010 Other

All Journal Article (4 results) (of which Peer Reviewed: 3 results) Presentation (12 results) Book (1 results) Remarks (1 results)

  • [Journal Article] a Rho/Rho-associated protein kinase-regulated GTPase-activating protein for Rac, controls tumor cell migration2012

    • Author(s)
      Saito, K., Ozawa, Y., Hibino, Y., & Ohta, Y. FilGAP
    • Journal Title

      Mol. Biol. Cell

      Volume: 23 Pages: 4739-4750

    • Related Report
      2012 Final Research Report
  • [Journal Article] FilGAP, a Rho/Rho-associated protein kinase-regulated GTPase-activating protein for Rac, controls tumor cell migration.2012

    • Author(s)
      斎藤康二
    • Journal Title

      Mol. Biol. Cell

      Volume: 23 Issue: 24 Pages: 4739-4750

    • DOI

      10.1091/mbc.e12-04-0310

    • Related Report
      2012 Annual Research Report
    • Peer Reviewed
  • [Journal Article] The NPIY motif in the integrin b1 tail dictates the requirement for talin-1 outside-in signaling.2010

    • Author(s)
      Nieves B
    • Journal Title

      Journal of Cell Science

      Volume: 123 Pages: 1216-1226

    • Related Report
      2010 Annual Research Report
    • Peer Reviewed
  • [Journal Article] Filamin associates with stress signaling kinases MKK7 and MKK4 and regulates JNK activation.2010

    • Author(s)
      Nakagawa K
    • Journal Title

      Biochemical Journal

      Volume: 427 Pages: 237-245

    • Related Report
      2010 Annual Research Report
    • Peer Reviewed
  • [Presentation] チロシンリン酸化下流における FilGAP の機能解析2012

    • Author(s)
      山田葉月、太田安隆
    • Organizer
      平成23年度第25回バイオサイエンスフォーラム
    • Place of Presentation
      北里大学白金キャンパス
    • Year and Date
      2012-08-04
    • Related Report
      2012 Final Research Report
  • [Presentation] 糸球体上皮細胞におけるアクチン細胞骨格形成を制御する2012

    • Author(s)
      椎野達夫、太田安隆
    • Organizer
      第35回日本分子生物学会年会
    • Place of Presentation
      福岡国際会議場、マリンメッセ福岡
    • Related Report
      2012 Final Research Report
  • [Presentation] ilGAP と AGAP1 の相互作用による Rac1 シグナルと Arf1 シグナルのクロストーク2012

    • Author(s)
      中村 遥、 太田安隆
    • Organizer
      第35回日本分子生物学会年会
    • Place of Presentation
      福岡国際会議場、マリンメッセ福岡
    • Related Report
      2012 Final Research Report
  • [Presentation] RacGAP 因子 ARHGAP22は葉状仮足の形成と伸展を抑制する2012

    • Author(s)
      森真美子、 太田安隆
    • Organizer
      第35回日本分子生物学会年会
    • Place of Presentation
      福岡国際会議場、マリンメッセ福岡
    • Related Report
      2012 Final Research Report
  • [Presentation] RapGAP因子FilGAPはAfadinと結合し、腎糸球体上皮細胞におけるアクチン細胞骨格形成を制御する2012

    • Author(s)
      椎野達大
    • Organizer
      第35回日本分子生物学会年会
    • Place of Presentation
      福岡国際会議場
    • Related Report
      2012 Annual Research Report
  • [Presentation] FilGAPとAGAP1の相互作用によるRac1シグナルとArf1シグナルのクロストーク2012

    • Author(s)
      中村遥
    • Organizer
      第35回日本分子生物学会年会
    • Place of Presentation
      福岡国際会議場
    • Related Report
      2012 Annual Research Report
  • [Presentation] RacGAP因子ARHGAP22は葉状仮足の形成と伸展を抑制する2012

    • Author(s)
      森真美子
    • Organizer
      第35回日本分子生物学会年会
    • Place of Presentation
      福岡国際会議場
    • Related Report
      2012 Annual Research Report
  • [Presentation] FilGAPによるE-cadherinを介した細胞間接着の調節2012

    • Author(s)
      中原慎一郎
    • Organizer
      第35回日本分子生物学会年会
    • Place of Presentation
      福岡国際会議場
    • Related Report
      2012 Annual Research Report
  • [Presentation] FilGAP, a Rho/ROCK-regulated GAP for Rac controls tumor cell migration2012

    • Author(s)
      斎藤康二
    • Organizer
      アメリカ細胞生物学会
    • Place of Presentation
      米国サンフランシスコ
    • Related Report
      2012 Annual Research Report
  • [Presentation] FilGAPのリン酸化による活性化機構の解析2011

    • Author(s)
      森下祐至
    • Organizer
      日本分子生物学会
    • Place of Presentation
      パシフィコ横浜
    • Year and Date
      2011-12-16
    • Related Report
      2011 Annual Research Report
  • [Presentation] キナシンファミリータンパク質KIF11はFilGAP結合タンパク質である2011

    • Author(s)
      持地保徳
    • Organizer
      日本分子生物学会
    • Place of Presentation
      パシフィコ横浜
    • Year and Date
      2011-12-16
    • Related Report
      2011 Annual Research Report
  • [Presentation] RacGAP因子FilGAPはRhoA/ROCK経路を通じて癌細胞の形態変化を制御する2011

    • Author(s)
      斎藤康二
    • Organizer
      日本分子生物学会
    • Place of Presentation
      パシフィコ横浜
    • Year and Date
      2011-12-16
    • Related Report
      2011 Annual Research Report
  • [Book] 生物学辞典2010

    • Author(s)
      石川統
    • Total Pages
      1634
    • Publisher
      東京化学同人
    • Related Report
      2010 Annual Research Report
  • [Remarks]

    • URL

      http://www.kitasato-u.ac.jp/sci/resea/seibutsu/kino/Home.html

    • Related Report
      2012 Final Research Report

URL: 

Published: 2010-08-23   Modified: 2019-07-29  

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