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Molecular mechanisms of volatile anesthetics toxicity on the immature mamarian brain cells: Analysis by single fluorescent molecule imaging.

Research Project

Project/Area Number 22591707
Research Category

Grant-in-Aid for Scientific Research (C)

Allocation TypeSingle-year Grants
Section一般
Research Field Anesthesiology/Resuscitation studies
Research InstitutionOsaka University

Principal Investigator

MIYAMOTO Yoshikazu  大阪大学, 医学(系)研究科(研究院), 助教 (70278844)

Co-Investigator(Kenkyū-buntansha) MASHIMO Takashi  大阪大学, 大学院医学系研究科, 教授 (10110785)
SHIBUTA Satoshi (YANAGIDA Toshio)  大阪大学, 大学院医学系研究科, 助教 (20324767)
IWANE Atsuko  大阪大学, 生命機能研究科 (30252638)
柳田 敏雄  大阪大学, 生命機能研究科, 教授 (30089883)
Project Period (FY) 2010-04-01 – 2014-03-31
Project Status Completed (Fiscal Year 2013)
Budget Amount *help
¥4,680,000 (Direct Cost: ¥3,600,000、Indirect Cost: ¥1,080,000)
Fiscal Year 2013: ¥910,000 (Direct Cost: ¥700,000、Indirect Cost: ¥210,000)
Fiscal Year 2012: ¥910,000 (Direct Cost: ¥700,000、Indirect Cost: ¥210,000)
Fiscal Year 2011: ¥910,000 (Direct Cost: ¥700,000、Indirect Cost: ¥210,000)
Fiscal Year 2010: ¥1,950,000 (Direct Cost: ¥1,500,000、Indirect Cost: ¥450,000)
Keywords揮発性麻酔薬 / 幼若脳神経細胞障害 / 分子機構 / 1分子イメージング / 1分子イメージング / 幼若神経細胞障害
Research Abstract

In this study, we tried to find out the whole mechanism of the toxicity of volatile anesthetics to fetal rat brain. We speculated that volatile anesthetics might cause injury through inhibition of neurotrophins such as NGF or BDNF to bind to each receptor on the surface of the neuronal cells, or they might inhibit dimerization of the NGF/BDNF-receptor complexes.
We established the single Qdot-NGF/BDNF molecule live cell imaging system, and now analyzing if volatile anesthetics affect the binding of NGF or BDNF to each receptor or dimerization of the NGF/BDNF-receptor complexes.

Report

(5 results)
  • 2013 Annual Research Report   Final Research Report ( PDF )
  • 2012 Annual Research Report
  • 2011 Annual Research Report
  • 2010 Annual Research Report
  • Research Products

    (9 results)

All 2013 2012 2011 2010

All Journal Article (3 results) (of which Peer Reviewed: 1 results) Presentation (6 results)

  • [Journal Article] A prospective randomized multicenter comparative study of BLM-240 (desflurane) versus sevoflurane in Japanese patients2013

    • Author(s)
      Taleda J, Miyamoto Y, et al
    • Journal Title

      J Anesth

      Volume: 27 Pages: 468-471

    • Related Report
      2013 Final Research Report
  • [Journal Article] A prospective randomized multicenter comparative study of BLM-240 (desflurane) versus sevoflurane in Japanese patients.2012

    • Author(s)
      Takeda J.
    • Journal Title

      J Anesth

      Volume: - Issue: 3 Pages: 468-471

    • DOI

      10.1007/s00540-012-1536-x

    • Related Report
      2012 Annual Research Report
    • Peer Reviewed
  • [Journal Article] Influences of general anesthetics on the developing mammalian brain2011

    • Author(s)
      Miyamoto Y
    • Journal Title

      Masui

      Volume: 60 Pages: 597-602

    • NAID

      40018828087

    • Related Report
      2013 Final Research Report
  • [Presentation] Stickler 症候群患児の麻酔経験2012

    • Author(s)
      加藤佳子、宮本善一、ほか
    • Organizer
      小児麻酔科学会第18回大会
    • Place of Presentation
      自治医科大学地域医療情報研修センター
    • Related Report
      2012 Annual Research Report
  • [Presentation] 著明な肺高血圧症を来した巨大仙尾部奇形腫摘出術の周術期管理2012

    • Author(s)
      岩山香坂、宮本善一、ほか
    • Organizer
      日本麻酔科学会第58回関西支部学術集会
    • Place of Presentation
      大阪国際交流センター
    • Related Report
      2012 Annual Research Report
  • [Presentation] 幼弱脳に対する麻酔薬の神経毒性ラット初代培養神経細胞における静脈麻酔薬の影響The effect of intravenous anesthetics on rat primary cultured neurons2011

    • Author(s)
      澁田達史,宮本善一,真下節
    • Organizer
      日本麻酔科学会第58回学術集会
    • Place of Presentation
      神戸市
    • Year and Date
      2011-05-21
    • Related Report
      2013 Final Research Report
  • [Presentation] 幼弱脳に対する麻酔薬の神経毒性~ラット初代培養神経細胞における静脈麻酔薬の影響The effect of intravenous anesthetics on rat primary cultured neurons2011

    • Author(s)
      澁田達史・宮本善一・真下節
    • Organizer
      日本麻酔科学会第58回学術集会
    • Place of Presentation
      神戸ポートピアホテル(招待講演)
    • Year and Date
      2011-05-21
    • Related Report
      2011 Annual Research Report
  • [Presentation] シンポジウム『臨床に役立つ麻酔メカニズムBench to Bed, Bed to Bench』全身麻酔薬・局所麻酔薬の様々な副作用の分子メカニズムMolecular mechanism of general and local anesthetics-induced various side effects by using in vitro motiliyassay, single molecule motility assay and ATPase measurement2010

    • Author(s)
      宮本善一,松本充弘,眞下節
    • Organizer
      日本麻酔科学会第57回学術集会
    • Place of Presentation
      福岡市
    • Year and Date
      2010-06-04
    • Related Report
      2013 Final Research Report
  • [Presentation] シンポジウム『臨床に役立つ麻酔メカニズムBench to Bed, Bed to Bench』全身麻酔薬・局所麻酔薬の様々な副作用の分子メカニズムMolecular mechanism of general and local anesthetics-induced various side effects by using in vitro motiliyassay, single molecule motility assay and ATPase measurement2010

    • Author(s)
      宮本善一・松本充弘・眞下節
    • Organizer
      日本麻酔科学会第57回学術集会
    • Place of Presentation
      福岡国際会議場(招待講演)
    • Year and Date
      2010-06-04
    • Related Report
      2010 Annual Research Report

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Published: 2010-08-23   Modified: 2019-07-29  

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