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Spatiotemporal Regulation of Rabex-5 in Endocytic Trafficking of K63-linked Polyubiquitination of L1CAM

Research Project

Project/Area Number 19590093
Research Category

Grant-in-Aid for Scientific Research (C)

Allocation TypeSingle-year Grants
Section一般
Research Field Biological pharmacy
Research InstitutionTokushima Bunri University

Principal Investigator

ITOH Kouichi  Tokushima Bunri University, 香川薬学部, 教授 (30291149)

Co-Investigator(Kenkyū-buntansha) WATANABE Masatomo  徳島文理大学, 香川薬学部, 准教授 (30306203)
AIKAWA Yoshikatu  徳島文理大学, 香川薬学部, 助教 (10412397)
Project Period (FY) 2007 – 2008
Project Status Completed (Fiscal Year 2008)
Budget Amount *help
¥4,550,000 (Direct Cost: ¥3,500,000、Indirect Cost: ¥1,050,000)
Fiscal Year 2008: ¥2,080,000 (Direct Cost: ¥1,600,000、Indirect Cost: ¥480,000)
Fiscal Year 2007: ¥2,470,000 (Direct Cost: ¥1,900,000、Indirect Cost: ¥570,000)
Keywords脳・神経 / 神経接着分子 / 神経科学 / ユビキチン / 細胞内輸送
Research Abstract

L1CAM がL1CAM同士のホモフィリック結合によりK63 を介した結合様式のポリUb 化が促進され、Ub 化がL1CAM のエンドサイトーシスにおいて最も重要な最初のプロセスである可能性を示したことである。さらにL1CAM はリソゾーム分解系を介して分解されていることも初めて示した。この膜タンパク質のUb 化と細胞内輸送機構は、スモールG タンパク質のGDP-GTP 交換反応(GEF 活性)によって制御されている可能性を示唆した。

Report

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

    (7 results)

All 2008 2007

All Journal Article (3 results) (of which Peer Reviewed: 2 results) Presentation (4 results)

  • [Journal Article] Flow cytometric analysis of mouse neurospheres based on the expression level of RANDAM-22007

    • Author(s)
      M, Kotani, K.Itoh
    • Journal Title

      Neurosic Lett 413

      Pages: 25-30

    • Related Report
      2007 Annual Research Report
    • Peer Reviewed
  • [Journal Article] Measurement of brain tissue oxygenation under oxidative stress by EPR/MRI dual system2007

    • Author(s)
      H.Fujii, K.Itoh, R.P. Pandian, M.Sakata, Kuppusamy P, and H.Hirata
    • Journal Title

      Mag.Res.Med.Sci 6

      Pages: 83-89

    • Related Report
      2007 Annual Research Report
    • Peer Reviewed
  • [Journal Article] 小動物MRIの創薬への応用2007

    • Author(s)
      伊藤 康一、藤井 博匡
    • Journal Title

      脳21 10

      Pages: 190-196

    • Related Report
      2007 Annual Research Report
  • [Presentation] Rabex-5, a guanine exchange factor for Rab5, Regulates the Ubiquitin-dependent Endocytic Trafficking of Neural Cell Adhesion Molecule L12008

    • Author(s)
      Y. Aikawa, Y. Shigemi, M. Watanabe, V. Lemmon, K. Itoh
    • Organizer
      48rd Annual meeting, American Society for Cell Biology
    • Place of Presentation
      サンフランシスコ・米国
    • Related Report
      2008 Final Research Report
  • [Presentation] Rabex-5, a guanine exchange factor for Rab5, Regulates the Ubiquitin-dependent Endocytic Trafficking of Neural Cell Adhesion Molecule L12008

    • Author(s)
      Y. Aikawa, Y, Shigemi, M. Watanabe, V. Lemmon, K. Itoh
    • Organizer
      48rd Annual meeting, American Society for Cell Biology
    • Place of Presentation
      サンフランシスコ、米国
    • Related Report
      2008 Annual Research Report
  • [Presentation] Molecular dynamics of cell adhesion molecule L1 induced by theta burst stimulation in rat hippocampus2007

    • Author(s)
      Y. Aikawa, M. Watanabe and K. Itoh
    • Organizer
      第30 回日本神経科学会・年会
    • Place of Presentation
      横浜
    • Related Report
      2008 Final Research Report
  • [Presentation] Molecular dynamics of cell adhesion molecule LI induced by theta burst stimulation in rat hippocampus2007

    • Author(s)
      Y.Aikawa, M.Watanabe and K.Itoh
    • Organizer
      第30回日本神経科学会・年会
    • Place of Presentation
      横浜
    • Related Report
      2007 Annual Research Report

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

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