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A search for a calcium channel activator of endothelial cells and studies on calcium channels of endothelial cells

Research Project

Project/Area Number 19790186
Research Category

Grant-in-Aid for Young Scientists (B)

Allocation TypeSingle-year Grants
Research Field General pharmacology
Research InstitutionKanazawa University (2008)
Shinshu University (2007)

Principal Investigator

TSUJINO Natsuko  Kanazawa University, 医学系, 助教 (40432166)

Project Period (FY) 2007 – 2008
Project Status Completed (Fiscal Year 2008)
Budget Amount *help
¥3,460,000 (Direct Cost: ¥3,100,000、Indirect Cost: ¥360,000)
Fiscal Year 2008: ¥1,560,000 (Direct Cost: ¥1,200,000、Indirect Cost: ¥360,000)
Fiscal Year 2007: ¥1,900,000 (Direct Cost: ¥1,900,000)
Keywords循環 / 生理活性物質 / 血管内皮細胞 / トロンビン / 炎症 / カルシウムチャネル / 非選択的陽イオンチャネル / パッチクランプ
Research Abstract

血管内皮細胞のカルシウム(Ca^<2+>)チャネル活性化因子の探索とCa^<2+>チャネル活性化機序の検討を行なった。Ca^<2+>チャネル活性化因子としてトロンビンに注目し、トロンビンによる内皮細胞のCa^<2+>流入経路について解析した。トロンビンは内皮細胞にCa^<2+>流入を引き起こすことを明らかにし、Ca^<2+>流入の細胞内情報伝達系とCa^<2+>流入に関わるチャネルを明らかにした。トロンビンによるCa^<2+>流入経路は炎症時の内皮細胞収縮に重要である可能性が考えられた。

Report

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

    (8 results)

All 2008 2007

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

  • [Journal Article] Contribution of L-Type Ca(2+) Channels to Early Afterdepolarizations Induced by I (Kr) and I (Ks) Channel Suppression in Guinea Pig Ventricular Myocytes2008

    • Author(s)
      Yamada M, Ohta K, Niwa A, Tsujino N, Nakada T, Hirose M.
    • Journal Title

      J Membr Biol. Apr ; 222(3)

      Pages: 151-66

    • Related Report
      2008 Final Research Report
    • Peer Reviewed
  • [Journal Article] Mechanisms of preventive effect of nicorandil on ischemia-induced ventricular tachyarrhythmia in isolated arterially purfused cainine ventricular wedges.2008

    • Author(s)
      Hirose M, Tsujino N, Nakada T, Tano S, Imamura H, Yamada M.
    • Journal Title

      Basic Clin Pharmacol Toxicol. Jun ; 102(6)

      Pages: 504-14

    • Related Report
      2008 Final Research Report
    • Peer Reviewed
  • [Journal Article] Contribution of L-type Ca2+ channels to early afterdepolarizations induced by I Kr and I Ks channel suppression in guinea pig ventricular myocytes2008

    • Author(s)
      Yamada M, Ohta K, Niwa A, Tsujino N, Nakada T, Hirose M.
    • Journal Title

      Journal of Membrane Biology 222

      Pages: 151-166

    • Related Report
      2008 Annual Research Report
    • Peer Reviewed
  • [Journal Article] Mechanisms of preventive effect of nicorandil on ischaemia-induced vent ricular tachyarrhythmia in isolated arterially perfused canine left ventricular wedges2008

    • Author(s)
      Hirose M, Tsujino N, Nakada T, Yano S, Imamura H, Yamada M.
    • Journal Title

      Basic & Clinical Pharmacology & Toxicology 102

      Pages: 504-514

    • Related Report
      2008 Annual Research Report
    • Peer Reviewed
  • [Presentation] トロンビンはヒト血管内皮細胞で非特異的カチオン電流を誘発する2008

    • Author(s)
      辻野なつ子, 中田勉, 河合佳子, 弘瀬雅教, 山田充彦
    • Organizer
      第81回日本薬理学会年会
    • Place of Presentation
      横浜
    • Year and Date
      2008-03-17
    • Related Report
      2008 Final Research Report
  • [Presentation] トロンビンはヒト血管内皮細胞で非選択的カチオン電流を誘発する2008

    • Author(s)
      辻野なつ子, 坪内清貴, 中田勉, 河合佳子, 弘瀬雅教, 山田充彦
    • Organizer
      第81回日本薬理学会年会
    • Place of Presentation
      横浜
    • Year and Date
      2008-03-17
    • Related Report
      2007 Annual Research Report
  • [Presentation] トロンビンは非選択的陽イオンチャネルを介して内皮細胞活動を調節する2007

    • Author(s)
      辻野なつ子, 坪内清貴, 百瀬崇展, 弘瀬雅教, 山田充彦
    • Organizer
      第48回日本脈管学会総会
    • Place of Presentation
      松本
    • Year and Date
      2007-10-26
    • Related Report
      2007 Annual Research Report
  • [Presentation] トロンビンは非選択的陽イオンチャネルを介して内皮細胞活動を調節する。2007

    • Author(s)
      辻野なつ子、坪内清貴、百瀬崇展、弘瀬雅教、山田充彦
    • Organizer
      第48回日本脈管学会総会
    • Place of Presentation
      長野
    • Related Report
      2008 Final Research Report

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

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