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Functional analysis of ion conduction with primary-cultured cardiac fibroblasts

Research Project

Project/Area Number 19890237
Research Category

Grant-in-Aid for Young Scientists (Start-up)

Allocation TypeSingle-year Grants
Research Field Biological pharmacy
Research InstitutionAichi Gakuin University

Principal Investigator

波多野 紀行  Aichi Gakuin University, 薬学部, 講師 (50454319)

Project Period (FY) 2007 – 2008
Project Status Completed (Fiscal Year 2008)
Budget Amount *help
¥2,841,000 (Direct Cost: ¥2,490,000、Indirect Cost: ¥351,000)
Fiscal Year 2008: ¥1,521,000 (Direct Cost: ¥1,170,000、Indirect Cost: ¥351,000)
Fiscal Year 2007: ¥1,320,000 (Direct Cost: ¥1,320,000)
Keywords心不全 / イオンチャネル / 心線維芽細胞 / 電気生理学 / カルシウムイオン / 不整脈
Research Abstract

ラット心臓より単離・培養した心線維芽細胞にTRPV4 mRNAが発現していることを明らかにした。またTRPV4選択的アゴニストである4α-PDDにより誘発される細胞内Ca^<2+>濃度上昇および非選択的カチオン電流が、TRPV遮断薬ルテニウムレッドおよびTRPV4選択的siRNAにより抑制されることを明らかにした。以上の結果は、心線維芽細胞においてTRPV4が機能的に発現していることを明示している。

Report

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

    (13 results)

All 2008 2007

All Journal Article (7 results) (of which Peer Reviewed: 7 results) Presentation (6 results)

  • [Journal Article] TRPV4-Like Non-selective Cation Currents in Cultured Aortic Myocytes2008

    • Author(s)
      R. Tanaka, K. Muraki, S. Ohya, H. Yamamura, N. Hatano, Y. Itoh, Y. Imaizumi
    • Journal Title

      J. Pharmacol. Sci. 108

      Pages: 179-189

    • Related Report
      2008 Final Research Report
    • Peer Reviewed
  • [Journal Article] Cell-culture-dependent change of Ca2+ response of rat aortic myocytes to sphingosine-1-phosphate2008

    • Author(s)
      R. Tanaka, K. Muraki, S. Ohya, Y. Itoh, N. Hatano, Y. Imaizumi
    • Journal Title

      J. Pharmacol. Sci. 108

      Pages: 434-442

    • Related Report
      2008 Final Research Report
    • Peer Reviewed
  • [Journal Article] TRPV4-like non-selective cation currents in cultured aortic myocytes.2008

    • Author(s)
      Rhoichi Tanaka
    • Journal Title

      Journal of Pharmacological Sciences 108

      Pages: 179-189

    • Related Report
      2008 Annual Research Report
    • Peer Reviewed
  • [Journal Article] Cel-culture-dependent change of Ca2+ response of rat aortic myocytes to sphingosine-1- phosphate.2008

    • Author(s)
      Ryoichi Tanaka
    • Journal Title

      Journal of Pharmacological Sciences 107

      Pages: 434-442

    • Related Report
      2008 Annual Research Report
    • Peer Reviewed
  • [Journal Article] Regulation of vascular tone by purinoceptor-activation in vascular smooth muscle and endothelial cells.2008

    • Author(s)
      Yuka Itoh
    • Journal Title

      AICHI-GAKUIN Journal of Pharmaceutical Sciences 1

      Pages: 31-37

    • Related Report
      2008 Annual Research Report
    • Peer Reviewed
  • [Journal Article] C-type natriuretic peptide activates a non-selective cation current in acutely isolated rat cardiac fibroblasts via natriuretic peptide C receptor-mediated signalling.2007

    • Author(s)
      R.A. Rose, N. Hatano, S. Ohya, Y. Imaizumi, W.R. Giles
    • Journal Title

      J. Physiol 580

      Pages: 255-274

    • Related Report
      2008 Final Research Report
    • Peer Reviewed
  • [Journal Article] C-type natriuretic peptide activates a non-selective cation current in acutely isolated ratcardiac fibroblasts via natriuretic peptide C receptor-mediated signalling.2007

    • Author(s)
      Rose RA
    • Journal Title

      Journal of Physiology 580(Pt1)

      Pages: 255-274

    • Related Report
      2007 Annual Research Report
    • Peer Reviewed
  • [Presentation] ラット心線維芽細胞におけるTRP channelを介したCa^<2+>流入2008

    • Author(s)
      波多野紀行
    • Organizer
      日本薬学会東海支部大会
    • Place of Presentation
      名古屋
    • Year and Date
      2008-07-05
    • Related Report
      2008 Final Research Report
  • [Presentation] ラット心線維芽細胞におけるTRP channelを介したCa2+流入2008

    • Author(s)
      波多野紀行
    • Organizer
      第54回日本薬学会東海支部総会・大会
    • Place of Presentation
      名古屋
    • Year and Date
      2008-07-05
    • Related Report
      2008 Annual Research Report
  • [Presentation] 短期培養cardiac fibroblastにおけるATP誘発クロライド電流2007

    • Author(s)
      波多野紀行
    • Organizer
      日本薬学会東海支部大会
    • Place of Presentation
      名古屋
    • Year and Date
      2007-07-07
    • Related Report
      2008 Final Research Report
  • [Presentation] 短期培養cardiac fibroblastにおけるATP誘発クロライド電流2007

    • Author(s)
      波多野 紀行
    • Organizer
      第53回 日本薬学会東海支部総会・大会
    • Place of Presentation
      名古屋
    • Year and Date
      2007-07-07
    • Related Report
      2007 Annual Research Report
  • [Presentation] 短期培養cardiac fibroblastにおけるATP誘発クロライド電流2007

    • Author(s)
      波多野紀行
    • Organizer
      日本薬理学会近畿部会
    • Place of Presentation
      名古屋
    • Year and Date
      2007-06-15
    • Related Report
      2008 Final Research Report
  • [Presentation] 短期培養cardiac fibroblastにおけるATP誘発クロライド電流2007

    • Author(s)
      波多野 紀行
    • Organizer
      第111回 日本薬理学会近畿部会
    • Place of Presentation
      名古屋
    • Year and Date
      2007-06-15
    • Related Report
      2007 Annual Research Report

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

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