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Drug development for intractable epilepsy by targeting lactate dehydrogenase

Research Project

Project/Area Number 15K07966
Research Category

Grant-in-Aid for Scientific Research (C)

Allocation TypeMulti-year Fund
Section一般
Research Field Pharmacology in pharmacy
Research InstitutionOkayama University

Principal Investigator

Inoue Tsuyoshi  岡山大学, 医歯薬学総合研究科, 准教授 (40370134)

Project Period (FY) 2015-04-01 – 2018-03-31
Project Status Completed (Fiscal Year 2017)
Budget Amount *help
¥4,940,000 (Direct Cost: ¥3,800,000、Indirect Cost: ¥1,140,000)
Fiscal Year 2017: ¥1,560,000 (Direct Cost: ¥1,200,000、Indirect Cost: ¥360,000)
Fiscal Year 2016: ¥1,690,000 (Direct Cost: ¥1,300,000、Indirect Cost: ¥390,000)
Fiscal Year 2015: ¥1,690,000 (Direct Cost: ¥1,300,000、Indirect Cost: ¥390,000)
Keywords難治性てんかん / ケトン食療法 / 乳酸脱水素酵素 / スチリペントール / ケトン体 / 電位依存性カルシウムチャネル / 興奮性シナプス / アセチルコリン / 抗てんかん剤開発 / グルタミン酸作動性シナプス
Outline of Final Research Achievements

We addressed the following three issues in this study, in order to clarify the mechanisms that control "drug-resistant intractable epilepsy" and to develop new antiepileptic drugs based on the mechanisms. First, we focused on "ketogenic diet treatment" that is effective for the drug-resistant epilepsy, and identified a lactate dehydrogenase inhibitor that suppresses seizures in vivo. Second, we found that acetoacetate (a ketogenic diet-derived metabolite) inhibits voltage-dependent calcium channels, and then identified an acetoacetate analog that suppresses seizures in vivo. Finally, we found that acetylcholine is involved in the seizure control in a mouse model of drug-resistant epilepsy

Report

(4 results)
  • 2017 Annual Research Report   Final Research Report ( PDF )
  • 2016 Research-status Report
  • 2015 Research-status Report
  • Research Products

    (9 results)

All 2018 2017 2016 2015

All Journal Article (1 results) (of which Peer Reviewed: 1 results,  Acknowledgement Compliant: 1 results) Presentation (6 results) Book (1 results) Patent(Industrial Property Rights) (1 results) (of which Overseas: 1 results)

  • [Journal Article] Neuronal inhibition and seizure suppression by acetoacetate and its analog, 2-phenylbutyrate.2017

    • Author(s)
      Kadowaki A, Sada N, Juge N, Wakasa A, Moriyama Y, Inoue T
    • Journal Title

      Epilepsia

      Volume: 58 Issue: 5 Pages: 845-857

    • DOI

      10.1111/epi.13718

    • Related Report
      2016 Research-status Report
    • Peer Reviewed / Acknowledgement Compliant
  • [Presentation] 代謝酵素(乳酸脱水素酵素)による神経抑制とてんかん抑制2018

    • Author(s)
      井上 剛
    • Organizer
      第95回日本生理学会大会
    • Related Report
      2017 Annual Research Report
  • [Presentation] 抗てんかん薬開発に向けたケトン体の構造改変2017

    • Author(s)
      佐田 渚, 門脇 敦志, 井上 剛
    • Organizer
      第40回日本神経科学大会
    • Related Report
      2017 Annual Research Report
  • [Presentation] 覚醒マウスの海馬における緊張状態に依存したアセチルコリン変動2016

    • Author(s)
      安永 佑佳, 佐田 渚, 藤井 佐規子, 勝 孝, 井上 剛
    • Organizer
      第39回日本神経科学大会
    • Place of Presentation
      パシフィコ横浜(神奈川県横浜市)
    • Year and Date
      2016-07-21
    • Related Report
      2016 Research-status Report
  • [Presentation] ケトン食の抗てんかん作用メカニズム2016

    • Author(s)
      井上 剛
    • Organizer
      第16回日本抗加齢医学会総会
    • Place of Presentation
      パシフィコ横浜(神奈川県横浜市)
    • Year and Date
      2016-06-10
    • Related Report
      2016 Research-status Report
  • [Presentation] 海馬アストロサイト-ニューロン乳酸経路による電気制御2015

    • Author(s)
      井上 剛, 佐田 渚
    • Organizer
      第38回日本神経科学大会
    • Place of Presentation
      神戸国際会議場(兵庫県・神戸市)
    • Year and Date
      2015-07-28
    • Related Report
      2015 Research-status Report
  • [Presentation] アセチルコリンは海馬硬化症モデルのてんかんを制御する2015

    • Author(s)
      藤井佐規子, 浦川健太, 佐田渚, 若狭綾香, 勝孝, 井上剛
    • Organizer
      第38回日本神経科学大会
    • Place of Presentation
      神戸国際会議場(兵庫県・神戸市)
    • Year and Date
      2015-07-28
    • Related Report
      2015 Research-status Report
  • [Book] Ketogenic diet and metabolic therapies.2016

    • Author(s)
      Sada N, Inoue T
    • Total Pages
      408
    • Publisher
      Oxford University Press
    • Related Report
      2016 Research-status Report
  • [Patent(Industrial Property Rights)] 乳酸脱水素酵素阻害剤およびそれを含有する抗てんかん剤2016

    • Inventor(s)
      井上剛、佐田渚
    • Industrial Property Rights Holder
      井上剛、佐田渚
    • Industrial Property Rights Type
      特許
    • Filing Date
      2016-02-09
    • Related Report
      2015 Research-status Report
    • Overseas

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Published: 2015-04-16   Modified: 2019-03-29  

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