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Isolation and functional expression of novel putative mechano-electrical transduction channels in cochlear hair cells

Research Project

Project/Area Number 19390438
Research Category

Grant-in-Aid for Scientific Research (B)

Allocation TypeSingle-year Grants
Section一般
Research Field Otorhinolaryngology
Research InstitutionNagoya City University

Principal Investigator

UGAWA Shinya  Nagoya City University, 大学院・医学研究科, 教授 (20326135)

Co-Investigator(Kenkyū-buntansha) SHIMADA Shoichi  大阪大学, 大学院・医学研究科, 教授 (20216063)
UEDA Takashi  名古屋市立大学, 大学院・医学研究科, 准教授 (90244540)
MURAKAMI Shingo  名古屋市立大学, 大学院・医学研究科, 教授 (80157750)
ISHIDA Yusuke  大阪大学, 大学院・医学研究科, 講師 (30381809)
KAJITA Kenji  名古屋市立大学, 大学院・医学研究科, 研究員 (80381820)
Co-Investigator(Renkei-kenkyūsha) SHIMADA Shoichi  大阪大学, 大学院・医学研究科, 教授 (20216063)
ISHIDA Yusuke  大阪大学, 大学院・医学研究科, 講師 (30381809)
Project Period (FY) 2007 – 2010
Project Status Completed (Fiscal Year 2010)
Budget Amount *help
¥18,850,000 (Direct Cost: ¥14,500,000、Indirect Cost: ¥4,350,000)
Fiscal Year 2010: ¥2,730,000 (Direct Cost: ¥2,100,000、Indirect Cost: ¥630,000)
Fiscal Year 2009: ¥2,730,000 (Direct Cost: ¥2,100,000、Indirect Cost: ¥630,000)
Fiscal Year 2008: ¥4,550,000 (Direct Cost: ¥3,500,000、Indirect Cost: ¥1,050,000)
Fiscal Year 2007: ¥8,840,000 (Direct Cost: ¥6,800,000、Indirect Cost: ¥2,040,000)
Keywords聴覚 / 機械刺激電気変換チャネル / 有毛細胞 / MET channel / ASIC1b / 感覚毛 / 内耳 / ノックアウトマウス / 機械刺激電流 / パッチクランプ / ABR / 難聴
Research Abstract

ASIC1b knockout (-/-) mice exhibited significantly elevated ABR (auditory brainstem response) thresholds in the presence of typical inner ear histology. Mechano-electrical transducer currents were slightly reduced in the outer hair cells.

Report

(6 results)
  • 2010 Annual Research Report   Final Research Report ( PDF )
  • 2009 Annual Research Report   Self-evaluation Report ( PDF )
  • 2008 Annual Research Report
  • 2007 Annual Research Report
  • Research Products

    (17 results)

All 2011 2010 2009 2008 2007

All Journal Article (8 results) (of which Peer Reviewed: 8 results) Presentation (9 results)

  • [Journal Article] Reelin-disabled-1 signaling in the mature rat cochlear nucleus.2009

    • Author(s)
      Inagaki A, Ugawa S, Safwat MM, Keceli S, Shimada S, Motohiko S, Murakami S.
    • Journal Title

      Acta Otolaryngol Suppl. 562

      Pages: 7-11

    • Related Report
      2009 Self-evaluation Report
    • Peer Reviewed
  • [Journal Article] Hypotonic stimuli enhance proton-gated currents of acid-sensing ion channel-1b.2008

    • Author(s)
      Ugawa S, Ishida Y, Ueda T, Yu Y, Shimada S.
    • Journal Title

      Biochem Biophys Res Commun 14;367(3)

      Pages: 530-534

    • Related Report
      2010 Final Research Report
    • Peer Reviewed
  • [Journal Article] The CaV3.1 T-type Ca^<2+> channel contributes to voltage-dependent calcium currents in rat outer hair cells2008

    • Author(s)
      Inagaki A, Ugawa S, Yamamura H, Murakami S, Shimada S.
    • Journal Title

      Brain Res. 1201

      Pages: 68-77

    • Related Report
      2009 Self-evaluation Report
    • Peer Reviewed
  • [Journal Article] Hypotonic stimuli enhance proton-gated currents of acid-sensing ion channel-1b.2008

    • Author(s)
      Ugawa S, Ishida Y, Ueda T, Yu Y, Shimada S.
    • Journal Title

      Biochem Biophys Res Commun. 367 (3)

      Pages: 530-4

    • Related Report
      2009 Self-evaluation Report
    • Peer Reviewed
  • [Journal Article] Hypotonic stimuli enhance proton-gated currents of acid-sensing ion channel-1b.2008

    • Author(s)
      Ugawa, S., et al.
    • Journal Title

      Biochem Biophys Res Commun. 367

      Pages: 530-534

    • Related Report
      2008 Annual Research Report
    • Peer Reviewed
  • [Journal Article] Hypotonic stimuli enhance proton-gated currents of acid-sensing ion channel-lb.2008

    • Author(s)
      Ugawa, S., et. al.
    • Journal Title

      Biochem Biophys Res Commun. 367

      Pages: 530-534

    • Related Report
      2007 Annual Research Report
    • Peer Reviewed
  • [Journal Article] Nafamost at mesilate reversibly blocks acid-sensing ion channel currents.2007

    • Author(s)
      Ugawa S, Ishida Y, Ueda T, Inoue K, Nagao M, Shimada S.
    • Journal Title

      Biochem Biophys Res Commun. Nov 9;363(1)

      Pages: 203-208

    • Related Report
      2010 Final Research Report
    • Peer Reviewed
  • [Journal Article] Nafamostat mesilate reversibly blocks acid-sensing ion channel currents2007

    • Author(s)
      Ugawa S, Ishida Y, Ueda T, Inoue K, Nagao M, Shimada S.
    • Journal Title

      Biochem Biophys Res Commun. 363 (1)

      Pages: 203-8

    • Related Report
      2009 Self-evaluation Report
    • Peer Reviewed
  • [Presentation] マウス蝸牛有毛細胞感覚毛に発現する酸感受性イオンチャネルASIC1bの機能解析2011

    • Author(s)
      鵜川眞也
    • Organizer
      第88回日本生理学会大会/第116回日本解剖学会総会・全国学術集会合同大会
    • Place of Presentation
      パシフィコ横浜(横浜)(震災により紙面上でのみ開催)
    • Year and Date
      2011-03-29
    • Related Report
      2010 Annual Research Report
  • [Presentation] マウス蝸牛有毛細胞感覚毛に発現する酸感受性イオンチャネルASIC1bの機能解析2011

    • Author(s)
      鵜川眞也
    • Organizer
      第88回日本生理学会大会/第116回日本解剖学会総会・全国学術集会合同大会,誌上開催
    • Place of Presentation
      横浜
    • Related Report
      2010 Final Research Report
  • [Presentation] 蝸牛有毛細胞に存在する機械刺激電気変換イオンチャネル候補遺伝子の同定2010

    • Author(s)
      鵜川眞也
    • Organizer
      第115回日本解剖学会総会
    • Place of Presentation
      岩手県民会館(盛岡)
    • Year and Date
      2010-03-30
    • Related Report
      2009 Annual Research Report
  • [Presentation] 蝸牛有毛細胞に存在する機械刺激電気変換イオンチャネル候補遺伝子の同定2010

    • Author(s)
      鵜川眞也
    • Organizer
      第115回日本解剖学会総会
    • Place of Presentation
      盛岡
    • Related Report
      2010 Final Research Report
  • [Presentation] 09859092010

    • Author(s)
      鵜川眞也
    • Organizer
      第115回日本解剖学会総会
    • Place of Presentation
      盛岡
    • Related Report
      2009 Self-evaluation Report
  • [Presentation] 内耳蝸牛有毛細胞に存在する機械電気変換イオンチャネル候補遺伝子の同定2008

    • Author(s)
      鵜川眞也
    • Organizer
      自然科学研究機構生理学研究所「バイオ分子センサー連携研究プロジェクト」レクチャーコース
    • Place of Presentation
      岡崎
    • Related Report
      2010 Final Research Report 2009 Self-evaluation Report
  • [Presentation] 内耳蝸牛に発現する酸感受性イオンチャネルASIC1b の聴力における役割2008

    • Author(s)
      鵜川眞也, 石田雄介, 植田高史, 山田貴博, 梶田健二, 佐久間英輔, 島田昌一
    • Organizer
      第68回日本解剖学会中部支部会
    • Place of Presentation
      名古屋
    • Related Report
      2010 Final Research Report
  • [Presentation] 内耳蝸牛に発現する酸感受性イオンチャネルASIC1bの聴力における役割2008

    • Author(s)
      鵜川眞也, 石田雄介, 植田高史, 山田貴博, 梶田健二, 佐久間英輔, 島田昌一
    • Organizer
      第68回日本解剖学会中部支部会
    • Place of Presentation
      名古屋
    • Related Report
      2009 Self-evaluation Report
  • [Presentation] マウス蝸牛有毛細胞における酸感受性イオンチャネルASIClbの発現2007

    • Author(s)
      鵜川 眞也
    • Organizer
      第30回日本神経科学大会・第50回日本神経化学会大会・第17回日本神経回路学会大会合同大会
    • Place of Presentation
      横浜
    • Related Report
      2007 Annual Research Report

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

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