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The mechanism of dephosphorylation of CERT by the reduction of raftcomponents

Research Project

Project/Area Number 20790092
Research Category

Grant-in-Aid for Young Scientists (B)

Allocation TypeSingle-year Grants
Research Field Biological pharmacy
Research InstitutionNational Institute of Infectious Diseases

Principal Investigator

熊谷 圭悟  National Institute of Infectious Diseases, 細胞化学部, 研究員 (40443105)

Project Period (FY) 2008 – 2009
Project Status Completed (Fiscal Year 2009)
Budget Amount *help
¥4,160,000 (Direct Cost: ¥3,200,000、Indirect Cost: ¥960,000)
Fiscal Year 2009: ¥1,820,000 (Direct Cost: ¥1,400,000、Indirect Cost: ¥420,000)
Fiscal Year 2008: ¥2,340,000 (Direct Cost: ¥1,800,000、Indirect Cost: ¥540,000)
Keywords脂質
Research Abstract

It is known that CERT (ceramide transport protein) is activated by the dephosphorylation, which is triggered by the degradation of plasma membrane sphingomyelin or by the treatment of inhibitor for sphoingomyelin synthesis. Our research elucidated these two dephosphorylation pathway is qualitatively different. Additionally, a novel phosphorylation site of CERT was found unexpectedly, and the phosphorylation of this site had a significant effect on the previously reported multiple phosphorylation of CERT. The results suggest that the activity of CERT is regulated by more complicated, multi-step mechanism.

Report

(3 results)
  • 2009 Annual Research Report   Final Research Report ( PDF )
  • 2008 Annual Research Report
  • Research Products

    (5 results)

All 2010 2009 2008

All Journal Article (5 results) (of which Peer Reviewed: 5 results)

  • [Journal Article] Crystal structures of the CERT START domain with inhibitors provide insights into the mechanism of ceramide transfer.2010

    • Author(s)
      Kudo N, Kumagai K, Matsubara R, Kobayashi S, Hanada K, Wakatsuki S, Kato R.
    • Journal Title

      J Mol Biol 396(2)

      Pages: 245-51

    • Related Report
      2009 Final Research Report
    • Peer Reviewed
  • [Journal Article] Crystal structures of the CERT START domain with inhibitors provide insights in to the mechanism of ceramide transfer.2010

    • Author(s)
      Kudo N, Kumagai K, Matsubara R, Kobayashi S, Hanada K, Wakatsuki S, Kato R.
    • Journal Title

      J Mol Biol 396(2)

      Pages: 245-51

    • Related Report
      2009 Annual Research Report
    • Peer Reviewed
  • [Journal Article] CERT-mediated trafficking of ceramide.2009

    • Author(s)
      Hanada K, Kumagai K, Tomishige N, Yamaji T
    • Journal Title

      Biochim Biophys Acta (未定)

    • Related Report
      2008 Annual Research Report
    • Peer Reviewed
  • [Journal Article] Casein kinase I{gamma}2 down-regulates trafficking of ceramide in the synthesis of sphingomyelin.2008

    • Author(s)
      Tomishige N, Kumagai K, Kusuda J, Nishijima M, Hanada K.
    • Journal Title

      Mol Biol Cell 20

      Pages: 348-57

    • Related Report
      2008 Annual Research Report
    • Peer Reviewed
  • [Journal Article] Two sphingolipid transfer proteins, CERT and FAPP2 : their roles in sphingolipid metabolism.2008

    • Author(s)
      Yamaji T, Kumagai K, Tomishige N, Hanada K.
    • Journal Title

      IUBMB Life 60

      Pages: 511-8

    • Related Report
      2008 Annual Research Report
    • Peer Reviewed

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Published: 2008-04-01   Modified: 2016-04-21  

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