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Molecular mechanism of abnormal pH-homeostasis in the lumen of acidic organele from DjA2 knock out mice

Research Project

Project/Area Number 20590287
Research Category

Grant-in-Aid for Scientific Research (C)

Allocation TypeSingle-year Grants
Section一般
Research Field General medical chemistry
Research InstitutionKumamoto University

Principal Investigator

TERADA Kazutoyo  Kumamoto University, 大学院・生命科学研究部, 准教授 (00253724)

Project Period (FY) 2008 – 2010
Project Status Completed (Fiscal Year 2010)
Budget Amount *help
¥4,680,000 (Direct Cost: ¥3,600,000、Indirect Cost: ¥1,080,000)
Fiscal Year 2010: ¥1,300,000 (Direct Cost: ¥1,000,000、Indirect Cost: ¥300,000)
Fiscal Year 2009: ¥1,300,000 (Direct Cost: ¥1,000,000、Indirect Cost: ¥300,000)
Fiscal Year 2008: ¥2,080,000 (Direct Cost: ¥1,600,000、Indirect Cost: ¥480,000)
Keywords分子シャペロン / HSP40 / ノックアウトマウス / 酸性 / pH / 酸性オルガネラ
Research Abstract

The DjA2 knockout mice showed lethal respiratory failure after birth. This was caused by insufficient alveolar expansion and the type 2 pneumocytes from the knockout mice had abnormal acidity in the lumen of lysosomal acidic organelle. To elucidate the molecular mechanism of maintaining homeostasis in the acidic organelle, I analyzed the pnumocytes by a physiological approach using ratiometry, the DjA2 by a molecular interaction study using Biacore, and the lung tissue by a proteomics approach.

Report

(4 results)
  • 2010 Annual Research Report   Final Research Report ( PDF )
  • 2009 Annual Research Report
  • 2008 Annual Research Report
  • Research Products

    (16 results)

All 2010 2009 2008

All Journal Article (9 results) (of which Peer Reviewed: 3 results) Presentation (7 results)

  • [Journal Article] Multiple molecules of Hsc70 and a dimer of DjA1 independently bind to an unfolded protein.2010

    • Author(s)
      Terada K., Oike, Y.
    • Journal Title

      J. Biol. Chem. 285巻

      Pages: 16789-16797

    • Related Report
      2010 Final Research Report
    • Peer Reviewed
  • [Journal Article] Multiple molecules of Hsc70 and a dimer of DjA1 independently bind to an unfolded protein.2010

    • Author(s)
      Terada K., Oike, Y.
    • Journal Title

      J.Biol.Chem.

      Volume: 285 Pages: 16789-16797

    • Related Report
      2010 Annual Research Report
    • Peer Reviewed
  • [Journal Article] Multiple molecules of Hsc70 and a dimer of DjA1 independently bind to an unfolded protein2010

    • Author(s)
      Terada K., Oike, Y.
    • Journal Title

      J.Biol.Chem. (印刷中)

    • Related Report
      2009 Annual Research Report
    • Peer Reviewed
  • [Journal Article] Hsp70.2008

    • Author(s)
      寺田和豊
    • Journal Title

      キーワード:蛋白質の一生、蛋白質核酸酵素 53巻

      Pages: 1060-1061

    • Related Report
      2010 Final Research Report
  • [Journal Article] DnaJ蛋白質2008

    • Author(s)
      寺田和豊
    • Journal Title

      キーワード:蛋白質の一生、蛋白質核酸酵素 53巻

      Pages: 1040-1041

    • Related Report
      2010 Final Research Report
  • [Journal Article] Bag1.2008

    • Author(s)
      寺田和豊
    • Journal Title

      キーワード:蛋白質の一生、蛋白質核酸酵素 53巻

      Pages: 1029-1029

    • Related Report
      2010 Final Research Report
  • [Journal Article] Hsp70., キーワード : 蛋白質の一生2008

    • Author(s)
      寺田和豊
    • Journal Title

      蛋白質核酸酵素 53

      Pages: 1060-1061

    • Related Report
      2008 Annual Research Report
  • [Journal Article] DnaJ蛋白質., キーワード : 蛋白質の一生2008

    • Author(s)
      寺田和豊
    • Journal Title

      蛋白質核酸酵素 53

      Pages: 1041-1041

    • Related Report
      2008 Annual Research Report
  • [Journal Article] Bagl., キーワード : 蛋白質の一生2008

    • Author(s)
      寺田和豊
    • Journal Title

      蛋白質核酸酵素 53

      Pages: 1029-1029

    • Related Report
      2008 Annual Research Report
  • [Presentation] Hsc70とDjA1による基質タンパク質の認識機構2010

    • Author(s)
      寺田和豊
    • Organizer
      第33回日本分子生物学会年会/第83回日本生化学会大会
    • Place of Presentation
      神戸市、神戸ポートアイランド
    • Year and Date
      2010-12-09
    • Related Report
      2010 Final Research Report
  • [Presentation] Hsc70とDjA1による基質タンパク質の認識機構2010

    • Author(s)
      寺田和豊
    • Organizer
      第33回日本分子生物学会年会/第83回日本生化学会大会
    • Place of Presentation
      神戸ポートアイランド
    • Year and Date
      2010-12-09
    • Related Report
      2010 Annual Research Report
  • [Presentation] An initial step of substrate recognition by Hsc70 and DjA1.2010

    • Author(s)
      寺田和豊
    • Organizer
      The 3rd International Symposium on Protein Community
    • Place of Presentation
      奈良市、ホテル日航奈良
    • Year and Date
      2010-09-14
    • Related Report
      2010 Final Research Report
  • [Presentation] An initial step of denatured protein recognition by Hsc70 and DjA1.2010

    • Author(s)
      寺田和豊
    • Organizer
      CSHS "Molecular chaperones and Stress Responses"
    • Place of Presentation
      Cold Spring Harbor,米国、Cold Spring Harbor Laboratory
    • Year and Date
      2010-05-07
    • Related Report
      2010 Final Research Report
  • [Presentation] Hsc70シャペロン系と変性タンパク質の分子間相互作用解析2009

    • Author(s)
      寺田和豊
    • Organizer
      第82回日本生化学会大会
    • Place of Presentation
      神戸市、神戸ポートアイランド
    • Year and Date
      2009-10-22
    • Related Report
      2010 Final Research Report
  • [Presentation] The DnaJ-targeted mice and the refolding reaction by Hsc70-DnaJ homolog -NEF systems.2009

    • Author(s)
      寺田和豊
    • Organizer
      4th International Congress on "Stress Responses in Biology and Medicine"
    • Place of Presentation
      札幌市、ホテルシャトレーゼガトーキングダムサッポロ
    • Year and Date
      2009-10-07
    • Related Report
      2010 Final Research Report
  • [Presentation] The DnaJ-targeted mice and the refolding reaction by Hsc70-DnaJ homolog-NEF systems2009

    • Author(s)
      Terada K.
    • Organizer
      4th International Congress on "Stress Responses in Biology and Medicine"
    • Place of Presentation
      ガトーキングダムサッポロ(札幌市)(北海道)
    • Year and Date
      2009-10-07
    • Related Report
      2009 Annual Research Report

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

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