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Phagosome/macropinosome formation and membrane traffic

Research Project

Project/Area Number 19590190
Research Category

Grant-in-Aid for Scientific Research (C)

Allocation TypeSingle-year Grants
Section一般
Research Field General anatomy (including Histology/Embryology)
Research InstitutionKagawa University

Principal Investigator

ARAKI Nobukazu  Kagawa University, 医学部, 教授 (10202748)

Co-Investigator(Kenkyū-buntansha) EGAMI Youhei  香川大学, 医学部, 助教 (80432780)
Project Period (FY) 2007 – 2008
Project Status Completed (Fiscal Year 2008)
Budget Amount *help
¥4,420,000 (Direct Cost: ¥3,400,000、Indirect Cost: ¥1,020,000)
Fiscal Year 2008: ¥1,690,000 (Direct Cost: ¥1,300,000、Indirect Cost: ¥390,000)
Fiscal Year 2007: ¥2,730,000 (Direct Cost: ¥2,100,000、Indirect Cost: ¥630,000)
Keywordsファゴサイトーシス / マクロパイノサイトーシス / 膜輸送 / シグナル伝達 / 分子機構 / イメージング
Research Abstract

ファゴサイトーシス、マクロパイノサイトーシスは、細胞が粒子状外来異物や液体を細胞外から細胞内ファゴゾーム・マクロパイノゾームへと取り込み、処理する現象であり、生体防御機構の最前線で重要な役割を果たす。本研究は、ファゴゾーム・マクロパイノゾーム形成および膜輸送に関わる制御分子を探索し、その分子の時間空間的関与をライブセルイメージングにより明らかにする目的でおこなわれた。この研究により、ファゴゾーム形成、マクロパイノゾームの成熟過程に関わる分子として、Rab35, Rab21などが見出され、重要な機能的意義を示唆する結果を得た。

Report

(3 results)
  • 2008 Annual Research Report   Final Research Report ( PDF )
  • 2007 Annual Research Report
  • Research Products

    (9 results)

All 2009 2008 2007

All Journal Article (6 results) (of which Peer Reviewed: 6 results) Presentation (3 results)

  • [Journal Article] Characterization of rab21-posotive tubular endosomes induced by PI3K inhibitors2008

    • Author(s)
      Egami, Y., Araki, N
    • Journal Title

      Experimental Cell Research 314

      Pages: 729-737

    • Related Report
      2008 Final Research Report
    • Peer Reviewed
  • [Journal Article] Characterization of Rab21-positive tubular endosomes induced by PI3K inhibitors2008

    • Author(s)
      Egami Y.
    • Journal Title

      Experimental Cell Research 314

      Pages: 729-737

    • Related Report
      2007 Annual Research Report
    • Peer Reviewed
  • [Journal Article] Phosphoinositide metabolism during membrane ruffling and macropinosome formation in EGF-stimulated A431 cells2007

    • Author(s)
      Araki,N., Egami,Y., Watanabe, Y., Hatae, T.
    • Journal Title

      Experimental Cell Research 313

      Pages: 1496-1507

    • Related Report
      2008 Final Research Report
    • Peer Reviewed
  • [Journal Article] Predominant expression of lysosomal N-acylethanolamine- hydrolyzing acid amidase in macrophages revealed by immunochemical studies2007

    • Author(s)
      Tuboi, K., Zhao, L.-Y., Okamoto, Y., Araki, N., Ueno, M., Sakamoto, H.., Ueda, N.
    • Journal Title

      Biochimica et Biocphysica Acta- Molecular and Cell Biology of Lipids 1771

      Pages: 623-632

    • Related Report
      2008 Final Research Report
    • Peer Reviewed
  • [Journal Article] Phosphoinositide metabolism during membrane ruffling and macropinosome formation in EGF-stimulated A431 cells2007

    • Author(s)
      Araki N.
    • Journal Title

      Experimental Cell Research 313

      Pages: 1496-1507

    • Related Report
      2007 Annual Research Report
    • Peer Reviewed
  • [Journal Article] Predominant expression of lysosomal N-acylethanolamine-hydrolyzing acidamidase in macrophages revealed by immunochemical studies2007

    • Author(s)
      Tsuboi K.
    • Journal Title

      Biochimica et Biocphysica Acta-Molecular and Cell Biology of Lipids 1771

      Pages: 623-632

    • Related Report
      2007 Annual Research Report
    • Peer Reviewed
  • [Presentation] マクロパイノサイトーシス過程におけるRab21の時間空間的局在変化2009

    • Author(s)
      江上洋平、荒木伸一
    • Organizer
      第114回日本解剖学会総会
    • Place of Presentation
      岡山市
    • Year and Date
      2009-03-28
    • Related Report
      2008 Annual Research Report 2008 Final Research Report
  • [Presentation] 脂質シグナル分子のlive cell imaging解析2007

    • Author(s)
      荒木伸一
    • Organizer
      日本顕微鏡学会第51回シンポジウム
    • Place of Presentation
      徳島市
    • Year and Date
      2007-10-20
    • Related Report
      2008 Final Research Report
  • [Presentation] 脂質シグナル分子のlive cell imaging解析2007

    • Author(s)
      荒木 伸一
    • Organizer
      日本顕微鏡学会第51回シンポジウム
    • Place of Presentation
      徳島
    • Year and Date
      2007-10-20
    • Related Report
      2007 Annual Research Report

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Published: 2007-04-01   Modified: 2016-04-21  

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