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mechanisms of neuroprotection by general anesthesia

Research Project

Project/Area Number 17K11046
Research Category

Grant-in-Aid for Scientific Research (C)

Allocation TypeMulti-year Fund
Section一般
Research Field Anesthesiology
Research InstitutionGifu University

Principal Investigator

Tanabe Kumiko  岐阜大学, 大学院医学系研究科, 准教授 (30402209)

Co-Investigator(Kenkyū-buntansha) 飯田 宏樹  岐阜大学, 大学院医学系研究科, 教授 (30159561)
Project Period (FY) 2017-04-01 – 2020-03-31
Project Status Completed (Fiscal Year 2019)
Budget Amount *help
¥4,550,000 (Direct Cost: ¥3,500,000、Indirect Cost: ¥1,050,000)
Fiscal Year 2019: ¥910,000 (Direct Cost: ¥700,000、Indirect Cost: ¥210,000)
Fiscal Year 2018: ¥1,820,000 (Direct Cost: ¥1,400,000、Indirect Cost: ¥420,000)
Fiscal Year 2017: ¥1,820,000 (Direct Cost: ¥1,400,000、Indirect Cost: ¥420,000)
Keywordsアストロサイト / サイトカイン / 脳血管反応 / 全身麻酔薬 / 血管内皮機能 / 血糖値 / 高二酸化炭素血症 / 神経炎症 / 細胞内情報伝達 / 中枢神経保護 / 脳代謝
Outline of Final Research Achievements

Rho-kinase and Rac limit TGF-β-induced IL-6 release from cultured primary astrocytes (C8D1A cells), and the suppressive effects are exerted independently of the Smad pathway or at a point downstream of Smad2/3 complex.
Rat pial arteriole responses to acetylcholine are maintained during conditions of acute hyperglycemia with propofol anesthesia but suppressed compared with normoglycemia with desflurane anesthesia.
Sevoflurane or desflurane dilated pial vessels in a concentration- dependent manner and enhanced hypercapnia-induced cerebrovascular dilation. The rates of vasodilation were similar for sevoflurane and desflurane under both normocapnia and hypercapnia.

Academic Significance and Societal Importance of the Research Achievements

近年、脳虚血後の再灌流障害、神経変性疾患など多くの中枢神経系の疾患に感染を伴わない炎症が関与していることが明らかとなってきた。炎症性サイトカイン遊離機序を解明することにより、中枢神経系の様々な疾患の発症機序の解明と、それらに対する治療薬の開発の一助となる。
全身麻酔薬が脳血管反応に与える影響を検討することで、様々な病態(高血糖時、頭部外傷時、脳手術時など)に合わせた麻酔薬の選択、麻酔管理を可能にできる。

Report

(4 results)
  • 2019 Annual Research Report   Final Research Report ( PDF )
  • 2018 Research-status Report
  • 2017 Research-status Report
  • Research Products

    (9 results)

All 2019 2018 2017

All Journal Article (3 results) (of which Peer Reviewed: 3 results) Presentation (6 results) (of which Int'l Joint Research: 2 results)

  • [Journal Article] Propofol but not desflurane maintains rat cerebral arteriolar responses to acetylcholine during acute hyperglycemia2019

    • Author(s)
      Sakata Koji、Kito Kazuhiro、Tanabe Kumiko、Fukuoka Naokazu、Nagase Kiyoshi、Iida Hiroki
    • Journal Title

      Journal of Neurosurgical Anesthesiology

      Volume: EPub Issue: 2 Pages: 177-182

    • DOI

      10.1097/ana.0000000000000632

    • Related Report
      2019 Annual Research Report
    • Peer Reviewed
  • [Journal Article] Cerebrovascular Reactivity to Hypercapnia During Sevoflurane or Desflurane Anesthesia in Rats2019

    • Author(s)
      Koji Sakata, Kazuhiro Kito, Naokazu Fukuoka, Kiyoshi Nagase, Kumiko Tanabe, Hiroki Iida
    • Journal Title

      Korean J Anesthesiol

      Volume: 72 Issue: 3 Pages: 260-264

    • DOI

      10.4097/kja.d.18.00244

    • Related Report
      2019 Annual Research Report
    • Peer Reviewed
  • [Journal Article] Limitation by Rho-kinase and Rac of transforming growth factor-β-induced interleukin-6 release from astrocytes2019

    • Author(s)
      Tanabe Kumiko、Kojima Akiko、Tachi Junko、Nakashima Daiki、Kozawa Osamu、Iida Hiroki
    • Journal Title

      Neuroscience Letters

      Volume: 696 Pages: 191-196

    • DOI

      10.1016/j.neulet.2018.12.040

    • Related Report
      2018 Research-status Report
    • Peer Reviewed
  • [Presentation] 中枢神経系の虚血/再灌流障害の分子メカニズムと今後の展望2019

    • Author(s)
      田辺久美子
    • Organizer
      日本麻酔科学会66回学術集会
    • Related Report
      2019 Annual Research Report
  • [Presentation] Compatible effect of cilostazol and aspirin on the impairment of endothelium dependent cerebral vasodilation caused by acute hyperglycemia in rats2019

    • Author(s)
      Kazuhiro Kuto
    • Organizer
      American Soceity of Anesthesiologists 2019 Annual Meeting
    • Related Report
      2019 Annual Research Report
    • Int'l Joint Research
  • [Presentation] プロポフォールは急性高血糖時における脳血管のアセチルコリンに対する反応性を保持する2019

    • Author(s)
      阪田耕治
    • Organizer
      第23回日本神経麻酔集中治療学会
    • Related Report
      2019 Annual Research Report
  • [Presentation] 急性高血糖に伴う血管内皮依存症血管拡張障害に対するアスピリンとシロスタゾールの保護効果の検討2019

    • Author(s)
      鬼頭和裕
    • Organizer
      日本麻酔科学会66回学術集会
    • Related Report
      2019 Annual Research Report
  • [Presentation] 脳虚血におけるサイトカインの役割と新しい脳保護戦略2018

    • Author(s)
      田辺久美子
    • Organizer
      日本麻酔科学会第65回学術集会
    • Related Report
      2018 Research-status Report
  • [Presentation] Inhibitors of Rho-kinase or Rac enhance TGF-β-induced IL-6 release from astrocytes2017

    • Author(s)
      Kumioko Tanabe, Hiroki Iida, osamu Kozawa
    • Organizer
      The 5th Conference of Asian Society of Neuroanesthesia and critical Care
    • Related Report
      2017 Research-status Report
    • Int'l Joint Research

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Published: 2017-04-28   Modified: 2021-02-19  

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