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2010 Fiscal Year Final Research Report

Regulatory mechanism for interaction between membrane proton sensor and cytosolic ion sensor.

Planned Research

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Project AreaMolecular interaction and modal shift of cellular sensors
Project/Area Number 18077015
Research Category

Grant-in-Aid for Scientific Research on Priority Areas

Allocation TypeSingle-year Grants
Review Section Biological Sciences
Research InstitutionNational Cardiovascular Center Research Institute

Principal Investigator

WAKABAYASHI Shigeo  National Cardiovascular Center Research Institute, 分子生理部, 部長 (70158583)

Co-Investigator(Kenkyū-buntansha) IWATA Yuko  独立行政法人国立循環器病研究センター, 分子生理部, 室長 (80171908)
NISHITANI Tomoe  独立行政法人国立循環器病研究センター, 分子生理部, 室長 (50393244)
HISAMITSU Takashi  独立行政法人国立循環器病研究センター, 分子生理部, 研究員 (50327946)
YOUSSEF Ben Ammar  独立行政法人国立循環器病研究センター, 分子生理部, 流動研究員 (90463273)
KOBAYASHI SOUSHI  独立行政法人国立循環器病研究センター, 分子生理部, 流動研究員 (50511531)
Co-Investigator(Renkei-kenkyūsha) KOBAYASHI Soushi  独立行政法人国立循環器病研究センター, 分子生理部, 流動研究員 (50511531)
SHIMADA Naoko  独立行政法人国立循環器病研究センター, 分子生理部, 流動研究員 (60600385)
Project Period (FY) 2006 – 2010
Keywords生理学 / 蛋白質 / 循環器・高血圧 / シグナル伝達 / バイオテクノロジー
Research Abstract

In the heart, various stress including hypertension and diabetes induce cardiac hypertrophy, but if such adaptations fail, heart failure occurs. Using genetically modified animals and physiological approaches for ion sensor proteins, specifically membrane ion transporters and Ca2+ sensors, we found that there is a close link between the progression of heart diseases and the spatiotemporal "modal shift" of these sensor proteins.

  • Research Products

    (23 results)

All 2011 2010 2009 2008 2007 2006

All Journal Article (7 results) (of which Peer Reviewed: 7 results) Presentation (8 results) Book (4 results) Patent(Industrial Property Rights) (4 results)

  • [Journal Article] Novel phorbol ester-binding motif mediates hormonal activation of Na^+/H^+ exchanger.2010

    • Author(s)
      Wakabayashi, S., Nakamura, T.Y., Kobayashi, S., Hisamitsu, T.
    • Journal Title

      J Biol.Chem. 285(34)

      Pages: 26652-26661

    • Peer Reviewed
  • [Journal Article] Essential role of TRPV2 ion channel in the sensitivity of dystrophic muscle to eccentric contractions.2009

    • Author(s)
      Zanou, N., Iwata, Y., Schakman, O., Lebacq, J., Wakabayashi, S., Gailly, P.
    • Journal Title

      FEBS Lett. 583(22)

      Pages: 3600-3604

    • Peer Reviewed
  • [Journal Article] A Model of Na^+/H^+ Exchanger and Its Central Role in Regulation of pH and Na^+ in Cardiac Myocytes.2009

    • Author(s)
      Cha, C.Y., Oka, C., Earm, Y.E., Wakabayashi, S., Noma, A.
    • Journal Title

      Biophys. J 97(10)

      Pages: 2674-2683

    • Peer Reviewed
  • [Journal Article] Dominant-negative inhibition of Ca^<2+> influx via TRPV2 ameliorates muscular dystrophy in animal models.2009

    • Author(s)
      Iwata, Y., Katanosaka, Y., Arai, Y., Shigekawa, M., Wakabayashi, S.
    • Journal Title

      Hum.Mol.Genet. 18(5)

      Pages: 824-834

    • Peer Reviewed
  • [Journal Article] Activation of Na^+/H^+ exchanger 1 is sufficient to generate Ca^<2+> signals that induce cardiac hypertrophy and heart failure.2008

    • Author(s)
      Nakamura, T.Y., Iwata, Y., Arai, Y., Komamura, K., Wakabayashi, S.
    • Journal Title

      Circ.Res. 103(8)

      Pages: 891-899

    • Peer Reviewed
  • [Journal Article] Dimerization is crucial for the function of the Na^+/H^+ exchanger NHE1.2006

    • Author(s)
      Hisamitsu, T., Ben Ammar, Y., Nakamura, T.Y., Wakabayashi, S.
    • Journal Title

      Biochemistry 45(44)

      Pages: 13346-13355

    • Peer Reviewed
  • [Journal Article] Crystal structure of CHP2 complexed with NHE1-cytosolic region and an implication for pH regulation.2006

    • Author(s)
      Ben Ammar, Y., Takeda, S., Hisamitsu, T., Mori. H., Wakabayashi, S.
    • Journal Title

      EMBO J. 25

      Pages: 2315-2325

    • Peer Reviewed
  • [Presentation] カルシウムセンサーNCS-1は心筋カルシウムシグナルを増強して幼若心筋の心機能亢進および心肥大に寄与する2011

    • Author(s)
      中村(西谷)友重、アンドレス・ジェロミン、御子柴克彦、若林繁夫
    • Organizer
      第88回日本生理学会大会
    • Place of Presentation
      パシフィコ横浜
    • Year and Date
      2011-03-29
  • [Presentation] Newly identified phorbol ester-binding motif mediates hormonal activation of Na^+/H^+ exchanger (NHE1).2010

    • Author(s)
      Wakabayashi, S., Nakamura-Nishitani, Y., Kobayashi, S., Hisamitsu, T.
    • 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 合同大会
    • Place of Presentation
      神戸ポートアイランド
    • Year and Date
      2010-12-09
  • [Presentation] Molecular mechanism for hormonal activation of the Na^+/H^+ exchanger (NHE1) and its consequence in cardiac hypertrophy and heart failure. (Symposium "Sodium homeostasis and cardiac function")ISHR2010

    • Author(s)
      Wakabayashi, S.
    • Organizer
      第20回世界会議
    • Place of Presentation
      京都国際会議場
    • Year and Date
      2010-05-13
  • [Presentation] Molecular and functional aspects of Na^+/H^+ exchanger 1 : Relevance in cardiac hypertrophy and heart failure.2009

    • Author(s)
      Wakabayshi, S., Nakamura-Nishitani, T.Y., Iwata, Y.
    • Organizer
      第36回国際生理学会
    • Place of Presentation
      京都国際会議場
    • Year and Date
      2009-07-30
  • [Presentation] 新しい心機能調節因子としてのCa^<2+>センサータンパク質NCS-1の役割2008

    • Author(s)
      中村(西谷)友重、Jeromin, A., 若林繁夫
    • Organizer
      第31回日本分子生物学会年会・第81回日本生化学会大会 合同大会
    • Place of Presentation
      神戸ポートピアホテル
    • Year and Date
      2008-12-09
  • [Presentation] Structural and functional aspects of the Na^+/H^+ exchanger 1 and its obligatory binding partner CHP.2007

    • Author(s)
      Wakabayashi, S.
    • Organizer
      Experimental Biology Annual Meeting 2007
    • Place of Presentation
      Washington, DC, USA
    • Year and Date
      20070428-20070502
  • [Presentation] Novel roles of NCS-1, a calcium sensor protein, on neuronal survival and cardiac excitability.2006

    • Author(s)
      Nakamura, T., Jeromin, A., Nabekura, J., Wakabayashi, S.
    • Organizer
      20^<th> IUBMB International Congress of Biochemistry and Molecular Biology and 11^<th> FAOBMB congress
    • Place of Presentation
      Kyoto Japan
    • Year and Date
      20060618-20060623
  • [Presentation] Na^+/H^+ exchange inhibitors protect against muscle degerneration in cardiomyopathic hamsters.2006

    • Author(s)
      Iwata, Y., Katanosaka, Y., Wakabayashi, S.
    • Organizer
      26^<th> Annual Scientific Sessions, European Section of the ISHR
    • Place of Presentation
      Univ. of Manchester, UK
    • Year and Date
      20060614-20060617
  • [Book] 筋変性疾患治療に向けたCa^<2+>透過チャネルを標的とした創薬の試み 2010 化学工業(61(4))2010

    • Author(s)
      岩田裕子、若林繁夫
    • Total Pages
      40-45
    • Publisher
      化学工業社
  • [Book] Na^+/H^+交換輸送体:機能調節と薬物標的としての意義(創薬研究者必見!-最新トランスポーター研究2009 遺伝子医学MOOK122009

    • Author(s)
      中村(西谷)友重、古林創史、久光隆、岩田裕子、若林繁夫
    • Total Pages
      255-261
    • Publisher
      (株)メディカルドウ
  • [Book] Na^+/H^+交換輸送体の構造・機能と病態的意義循環器病研究の進歩(通巻47号)(Vol.XXVIII No.1(2007.11))2007

    • Author(s)
      若林繁夫、岩田裕子、中村(西谷)友重、久光隆、ベンアマー・ヨセフ
    • Total Pages
      73-82
    • Publisher
      協和企画
  • [Book] 動物細胞Na^+/H^+交換輸送体:分子から疾患まで生化学(79(6))2007

    • Author(s)
      若林繁夫、久光隆、ユセフ・ベンアマー、中村(西谷)友重、岩田裕子
    • Total Pages
      579-587
  • [Patent(Industrial Property Rights)] 抗TRPV2抗体2010

    • Inventor(s)
      岩田裕子、若林繁夫
    • Industrial Property Rights Holder
      (財)ヒューマンサイエンス振興財団
    • Industrial Property Number
      特願,2010-016760
    • Filing Date
      2010-01-28
  • [Patent(Industrial Property Rights)] TRPV2の部分ペプチド2009

    • Inventor(s)
      岩田裕子、若林繁夫
    • Industrial Property Rights Holder
      (財)ヒューマンサイエンス振興財団
    • Industrial Property Number
      特願,2009-186219
    • Filing Date
      2009-08-11
  • [Patent(Industrial Property Rights)] 目的物質精製用タグおよび精製用タグを用いた目的物質の精製方法2007

    • Inventor(s)
      若林繁夫
    • Industrial Property Rights Holder
      (財)ヒューマンサイエンス振興財団
    • Industrial Property Number
      特願,2007-130239
    • Filing Date
      2007-05-16
  • [Patent(Industrial Property Rights)] トランスジェニック非ヒト動物2007

    • Inventor(s)
      岩田裕子、西谷友重、若林繁夫
    • Industrial Property Rights Holder
      (財)ヒューマンサイエンス振興財団
    • Industrial Property Number
      特願,2007-123514
    • Filing Date
      2007-05-08

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Published: 2012-02-13   Modified: 2016-04-21  

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