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Deciphering the pathogenesis of neuropsychiatric disease using Depdc5 conditional KO mice

Research Project

Project/Area Number 16H06765
Research Category

Grant-in-Aid for Research Activity Start-up

Allocation TypeSingle-year Grants
Research Field Laboratory animal science
Research InstitutionTokyo Medical and Dental University

Principal Investigator

Ishida Saeko  東京医科歯科大学, 難治疾患研究所, 助教 (50777927)

Project Period (FY) 2016-08-26 – 2018-03-31
Project Status Completed (Fiscal Year 2017)
Budget Amount *help
¥2,990,000 (Direct Cost: ¥2,300,000、Indirect Cost: ¥690,000)
Fiscal Year 2017: ¥1,430,000 (Direct Cost: ¥1,100,000、Indirect Cost: ¥330,000)
Fiscal Year 2016: ¥1,560,000 (Direct Cost: ¥1,200,000、Indirect Cost: ¥360,000)
Keywordsてんかん / 自閉症 / 脳神経疾患 / 遺伝子 / 動物 / 神経疾患 / 実験動物学
Outline of Final Research Achievements

The comorbidity between epilepsy and psychosis is well known, but the underlying common pathogenesis remains unclear. Recently, mutations of DEP domain containing protein 5 (DEPDC5)gene have been reported from patients with various type of epilepsies and/or psychiatric disorders including autism spectrum disorder (ASD). It suggests that understanding the function of Depdc5 provides new insights into pathogenesis of both diseases.
Depdc5 is reported as an inhibitor of mechanistic target of rapamycin complex 1 (mTORC1), a central regulator of cell growth, proliferation and protein synthesis. However, the function in brain is still unknown. Because homozygous Depdc5 knockout rodents are embryonic lethal, in this study, we conditionally deleted Depdc5 in brain of mice, and characterized their phenotypes.

Report

(3 results)
  • 2017 Annual Research Report   Final Research Report ( PDF )
  • 2016 Annual Research Report
  • Research Products

    (4 results)

All 2018 2017

All Journal Article (1 results) (of which Int'l Joint Research: 1 results,  Peer Reviewed: 1 results,  Open Access: 1 results) Presentation (3 results) (of which Invited: 3 results)

  • [Journal Article] Depdc5 knockdown causes mTOR-dependent motor hyperactivity in zebrafish2018

    • Author(s)
      de Calbiac H, Dabacan A, Marsan E, Tostivint H, Devienne G, Ishida S, Leguern E, Baulac S, Muresan RC, Kabashi E, Ciura S.
    • Journal Title

      Annals of Clinical and Translational Neurology

      Volume: - Issue: 5 Pages: 510-523

    • DOI

      10.1002/acn3.542

    • Related Report
      2017 Annual Research Report
    • Peer Reviewed / Open Access / Int'l Joint Research
  • [Presentation] 焦点性てんかん原因遺伝子DEPDC52017

    • Author(s)
      石田 紗恵子
    • Organizer
      日本薬理学会
    • Place of Presentation
      長崎
    • Year and Date
      2017-03-17
    • Related Report
      2016 Annual Research Report
    • Invited
  • [Presentation] 焦点性てんかん原因遺伝子、DEPDC5 KOラットの解析2017

    • Author(s)
      石田 紗恵子
    • Organizer
      関西実験動物研究会
    • Place of Presentation
      京都
    • Year and Date
      2017-03-03
    • Related Report
      2016 Annual Research Report
    • Invited
  • [Presentation] てんかんと遺伝子2017

    • Author(s)
      石田 紗恵子
    • Organizer
      日本てんかん学会
    • Related Report
      2017 Annual Research Report
    • Invited

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Published: 2016-09-02   Modified: 2019-03-29  

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