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Electrophysiological Analysis in Nociceptive Sensory Neurons that Mediate Muscle Ischemic Pain

Research Project

Project/Area Number 19603014
Research Category

Grant-in-Aid for Scientific Research (C)

Allocation TypeSingle-year Grants
Section一般
Research Field Pain science
Research InstitutionKyorin University

Principal Investigator

YAGI Junichi  Kyorin University, 医学部, 講師 (90265760)

Project Period (FY) 2007 – 2008
Project Status Completed (Fiscal Year 2008)
Budget Amount *help
¥3,250,000 (Direct Cost: ¥2,500,000、Indirect Cost: ¥750,000)
Fiscal Year 2008: ¥1,560,000 (Direct Cost: ¥1,200,000、Indirect Cost: ¥360,000)
Fiscal Year 2007: ¥1,690,000 (Direct Cost: ¥1,300,000、Indirect Cost: ¥390,000)
Keywords神経科学 / 痛み / 後根神経節ニューロン / In Vivo Patch Clamp / 酸感受性 / 虚血性筋収縮 / 閉塞性動脈硬化症 / 疼痛 / 後根神経節 / パッチクランプ法
Research Abstract

筋肉内部の血流が滞った状態(虚血状態)で筋肉を収縮させると、強い痛みが生じる。この時、痛みを伝える感覚神経は、筋肉組織で起こるいかなる変化を感知して興奮するのであろうか-そこで、筋肉を支配する感覚神経の性質を詳しく調べるため、ラットを用いた新しい実験方法を開発した。これまでに、痛みを伝える感覚神経の一部は、虚血による筋肉の「酸性化」を感知する可能性があることがわかった。今後も実験を継続し、虚血性筋肉痛の成り立ちを解明することが目標である

Report

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

    (12 results)

All 2008 2007 Other

All Journal Article (1 results) (of which Peer Reviewed: 1 results) Presentation (9 results) Remarks (2 results)

  • [Journal Article] 麻酔下全動物標本による「骨格筋DRG ニューロン」のホールセルパッチクランプ記録

    • Author(s)
      八木淳一、小林靖、平井直樹
    • Journal Title

      Pain Research (印刷中)

    • NAID

      10025639080

    • Related Report
      2008 Final Research Report
    • Peer Reviewed
  • [Presentation] 虚血性筋肉痛における酸感受性イオンチャネル3(ASIC3)の役割2008

    • Author(s)
      八木淳一
    • Organizer
      第37回杏林医学会総会
    • Place of Presentation
      東京
    • Year and Date
      2008-11-15
    • Related Report
      2008 Annual Research Report 2008 Final Research Report
  • [Presentation] In vivo patch clamp recording from musculoskeletal DRG neurons in rats2008

    • Author(s)
      八木 淳一
    • Organizer
      12th World congress on pain
    • Place of Presentation
      Glasgow
    • Year and Date
      2008-08-19
    • Related Report
      2008 Annual Research Report
  • [Presentation] Classification of Cutaneous DRG neurons by In Vivo Patch Clamp Recording2008

    • Author(s)
      八木 淳一
    • Organizer
      The 3rd Asian Pain Symposium
    • Place of Presentation
      福岡
    • Year and Date
      2008-07-18
    • Related Report
      2008 Annual Research Report
  • [Presentation] In vivo patch-clamp recordings of rat DRG neurons2008

    • Author(s)
      八木 淳一
    • Organizer
      The Spring Pain Conference 2008
    • Place of Presentation
      Grand Cayman
    • Year and Date
      2008-04-28
    • Related Report
      2008 Annual Research Report
  • [Presentation] Yagi : In vivo patch-clamp recordings of rat DRG neurons2008

    • Author(s)
      J. Yagi
    • Organizer
      The Spring Pain Conference 2008
    • Place of Presentation
      Grand Cayman
    • Related Report
      2008 Final Research Report
  • [Presentation] In vivo patch clamp recording from musculoskeletal DRG neurons in rats2008

    • Author(s)
      J. Yagi, Y. Kobayashi and N. Hirai Hirai
    • Organizer
      12th World congress on pain, Scotland
    • Place of Presentation
      Glasgow
    • Related Report
      2008 Final Research Report
  • [Presentation] 麻酔下全動物標本による「骨格筋DRGニューロン」のホールセルパッチクランプ記録2008

    • Author(s)
      八木淳一、小林靖、平井直樹
    • Organizer
      第30回日本疼痛学会
    • Place of Presentation
      福岡
    • Related Report
      2008 Annual Research Report 2008 Final Research Report
  • [Presentation] Classification of Cutaneous DRG neurons by In Vivo Patch Clamp Recording2008

    • Author(s)
      J. Yagi, Y. Kobayashi and N. Hirai
    • Organizer
      The 3rd Asian Pain Symposium
    • Place of Presentation
      Fukuoka
    • Related Report
      2008 Final Research Report
  • [Presentation] 虚血による組織酸性化を感知する酸感受性イオンチャネルASIC32007

    • Author(s)
      八木 淳一
    • Organizer
      第29回日本疼痛学会
    • Place of Presentation
      横浜
    • Year and Date
      2007-07-07
    • Related Report
      2007 Annual Research Report
  • [Remarks] The 3rd Asian Pain Symposium, Jul.18-19 2008, Fukuoka にて、「ポスター賞」受賞

    • Related Report
      2008 Final Research Report
  • [Remarks] 第30回日本疼痛学会、2008年7月19-20日、福岡にて、「優秀演題」に選出される

    • Related Report
      2008 Final Research Report

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

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