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Direct functional analysis of prestin transfected inner ear using invivo patch method

Research Project

Project/Area Number 18390454
Research Category

Grant-in-Aid for Scientific Research (B)

Allocation TypeSingle-year Grants
Section一般
Research Field Otorhinolaryngology
Research InstitutionHirosaki University

Principal Investigator

KAKEHATA Seiji  Hirosaki University, 大学院・医学研究科, 准教授 (90261619)

Co-Investigator(Kenkyū-buntansha) UENO Shinya  弘前大学, 大学院・医学研究科, 教授 (00312158)
MARUYA Shin-ichiro  国際医療福祉大学, 大学病院, 講師 (90396408)
NAMBA Atsushi  弘前大学, 医学部附属病院, 助教 (50361027)
KITANI Rei  弘前大学, 医学部附属病院, 医員 (80436047)
Project Period (FY) 2006 – 2008
Project Status Completed (Fiscal Year 2008)
Budget Amount *help
¥16,570,000 (Direct Cost: ¥14,200,000、Indirect Cost: ¥2,370,000)
Fiscal Year 2008: ¥4,940,000 (Direct Cost: ¥3,800,000、Indirect Cost: ¥1,140,000)
Fiscal Year 2007: ¥5,330,000 (Direct Cost: ¥4,100,000、Indirect Cost: ¥1,230,000)
Fiscal Year 2006: ¥6,300,000 (Direct Cost: ¥6,300,000)
Keywords内耳再生 / コルチ器 / 外有毛細胞 / prestin / 運動能 / パッチクランプ法 / キャパシタンス / ソノポレーション法
Research Abstract

C57BL/6Jマウス内耳外有毛細胞(OHC)におけるprestin 発現様式は、発達段階早期にOHC 細胞膜に発現してからmaturation とともに機能を獲得するという、これまでラットなどで知られていたものとは全く異なる、新しい様式であることがわかった。また、正常聴力獲得のために必要なprestin 電荷密度は9,400 e-/□m2 以上であることが示唆された。
Gjb2 優性ネガティブ変異遺伝子改変マウスにおいても同様の発現様式であることが確認された。

Report

(4 results)
  • 2008 Annual Research Report   Final Research Report ( PDF )
  • 2007 Annual Research Report
  • 2006 Annual Research Report
  • Research Products

    (14 results)

All 2009 2008 2007 2006 Other

All Journal Article (5 results) (of which Peer Reviewed: 4 results) Presentation (9 results)

  • [Journal Article] (corresponding author) Developmental expression of the outer hair cell motor, prestin, in the mouse2007

    • Author(s)
      Abe T, Kakehata S, Kitani R, Maruya SI, Navaratnam D, Santos-Sacchi J, Shinkawa H
    • Journal Title

      J Membr Biol 215

      Pages: 49-56

    • Related Report
      2008 Final Research Report
    • Peer Reviewed
  • [Journal Article] Developmental expression of the outer hair cell motor, prest in, in the mouse.2007

    • Author(s)
      Abe T, Kakehata S, et.al(corresponding author)
    • Journal Title

      Journal of Membrane Biology 215

      Pages: 49-56

    • Related Report
      2007 Annual Research Report
    • Peer Reviewed
  • [Journal Article] Tuning in to the amazing outer hair cell:membrane wizardry with a twist and shout.2007

    • Author(s)
      He D, Zhen J, Kalinec F, Kakehata S. Santos-Sacchi J.
    • Journal Title

      Journal of Membrane Biology 209

      Pages: 119-134

    • Related Report
      2007 Annual Research Report
  • [Journal Article] Tuning in to the amazingouter hair cell : membrane wizardry with atwist and shout2006

    • Author(s)
      He DZ, Zheng J, Kalinec F, Kakehata S, Santos-Sacchi J
    • Journal Title

      J Membr Biol 209(2-3)

      Pages: 119-34

    • Related Report
      2008 Final Research Report
    • Peer Reviewed
  • [Journal Article] CochlearOuter Hair Cells in a Dominant-NegativeConnexin26 Mutant Mouse Preserved Non-Linear Capacitance in spite ofImpaired Distortion Product OtoacousticEmission

    • Author(s)
      Minekawa A, Abe T, Inoshita A, Iizuka T, Kakehata S, Narui Y, Koike T, Kamiya K, Okamura H, Shinkawa H, Ikeda K
    • Journal Title

      Neuroscience (in press)

    • Related Report
      2008 Final Research Report
    • Peer Reviewed
  • [Presentation] DevelopmentalExpression of the Outer Hair CellCapacitance in a Dominant-NegativeConnexin26 Mutant Mouse. 32nd MidWinterMeeting of Association for2009

    • Author(s)
      Abe T, Kakehata S, et.al.
    • Organizer
      Research in Otolaryngology
    • Place of Presentation
      Baltimore, MD, USA
    • Related Report
      2008 Final Research Report
  • [Presentation] CochlearOuter Hair Cells in a Dominant-Negative Connexin26 Mutant Mouse PreservedNon-Linear Capacitance in spite ofImpaired Distortion Product OtoacousticEmission.2009

    • Author(s)
      Minekawa A, Abe T, Inoshita A, Iizuka T,Kakehata S, Narui Y, Koike T, Kamiya K, Okamura H, Shinkawa H, Ikeda K
    • Organizer
      32nd MidWinter Meeting ofAssociation for Research in Otolaryngology
    • Place of Presentation
      Baltimore, MD, USA
    • Related Report
      2008 Final Research Report
  • [Presentation] Developmental Expression of the Outer Hair Cell Capacit ance in a Dominant-Negative Connexin26 Mutant Mouse2009

    • Author(s)
      Abe T, Kakehata S, et.al.
    • Organizer
      32nd MidWinter Meeting of Association for Research in Otolaryngology
    • Place of Presentation
      Baltimore, MD, USA
    • Related Report
      2008 Annual Research Report
  • [Presentation] Cochlear Outer Hair Cells in a Dominant-Negative Connexin26 Mutant Mouse Preserved Non-Linear Capacitance with Impaired Distortion Product Otoacoustic Emission2009

    • Author(s)
      Abe T, Kakehata S, et.al.
    • Organizer
      32nd MidWinter Meeting of Association for Research in Otolaryngology
    • Place of Presentation
      Baltimore, MD, USA
    • Related Report
      2008 Annual Research Report
  • [Presentation] Gjb2変異マウスにおける蝸牛外有毛細胞の運動能の解析2008

    • Author(s)
      阿部尚央、欠畑誠治, 他
    • Organizer
      第18回日本耳科学会総会学術講演会
    • Place of Presentation
      神戸
    • Year and Date
      2008-10-16
    • Related Report
      2008 Annual Research Report 2008 Final Research Report
  • [Presentation] 幼若期のGjb2変異マウスの歪耳音響放射の測定および外有毛細胞の機能評価について2008

    • Author(s)
      峯川、阿部尚央、欠畑誠治, 他
    • Organizer
      第18回日本耳科学会総会学術講演会
    • Place of Presentation
      神戸
    • Year and Date
      2008-10-16
    • Related Report
      2008 Annual Research Report 2008 Final Research Report
  • [Presentation] DirectEffects of Cholesterol and Mβcd On OuterHair Cell Motility and Capacitance2008

    • Author(s)
      Kitani R, Kakehata S, Murakoshi M, WadaH, Maruya S, Abe T, Shinkawa H
    • Organizer
      31st MidWinter Meeting of Association for Research in Otolaryngology
    • Place of Presentation
      Phoenix, Arizona, USA
    • Related Report
      2008 Final Research Report
  • [Presentation] The direct effects ofcholesterol on outer hair cell motility2006

    • Author(s)
      Kitani R, Kakehata S, Murakoshi M, WadaH, Shinkawa H
    • Organizer
      The 2nd Shanghai International Conference on Physiological Biophysics-Audition andVision
    • Place of Presentation
      Shanghai, China
    • Related Report
      2008 Final Research Report
  • [Presentation] The effects ofcholesterol on outer hair cell motility2006

    • Author(s)
      Kitani R, Kakehata S, Murakoshi M, Wada H, Abe T, Shinkawa H
    • Organizer
      INNER EAR BIOLOGY Workshop
    • Place of Presentation
      Montpellier, France
    • Related Report
      2008 Final Research Report

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Published: 2006-04-01   Modified: 2016-04-21  

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