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Investigation of pathogenic mechanism of frontotemporal lobe degeneration based on novel hypothesis

Research Project

Project/Area Number 19K07329
Research Category

Grant-in-Aid for Scientific Research (C)

Allocation TypeMulti-year Fund
Section一般
Review Section Basic Section 48030:Pharmacology-related
Research InstitutionTokyo Medical University

Principal Investigator

Kusakari Shinya  東京医科大学, 医学部, 講師 (10510901)

Project Period (FY) 2019-04-01 – 2022-03-31
Project Status Completed (Fiscal Year 2021)
Budget Amount *help
¥4,290,000 (Direct Cost: ¥3,300,000、Indirect Cost: ¥990,000)
Fiscal Year 2021: ¥1,430,000 (Direct Cost: ¥1,100,000、Indirect Cost: ¥330,000)
Fiscal Year 2020: ¥1,170,000 (Direct Cost: ¥900,000、Indirect Cost: ¥270,000)
Fiscal Year 2019: ¥1,690,000 (Direct Cost: ¥1,300,000、Indirect Cost: ¥390,000)
Keywords神経変性疾患 / 神経細胞死 / 認知機能
Outline of Research at the Start

神経変性疾患の一つである前頭側頭葉変性症(FTLD)は、これまでの研究により複数の原因因子が同定されているが、発症メカニズムはいまだ不明で、根本的治療薬も確立されていない。現在、遺伝子変異による神経毒性獲得もしくは神経保護機能低下が発症に関わると考えられ、原因因子の遺伝子破壊マウスやトランスジェニックマウスが作製されているが、FTLD病態を完全に再現できているものはいない。そこで本研究では、遺伝子変異による神経毒性獲得と神経保護機能低下の2つが並行して起こることでFTLD発症を引き起こすという独自の新仮説に基づき、FTLD原因因子の遺伝子変異による発症メカニズムの解明と治療薬の確立を目指す。

Outline of Final Research Achievements

Neurodegenerative diseases, including Alzheimer's disease and frontotemporal lobar degeneration, are caused by neuronal cell death, resulting in impairment of cognitive or motor functions. Although many neurodegenerative disease-causative genes have been identified, therapeutic agents have yet to be established.
Many of the proteins encoded by neurodegenerative disease-causative factors are ubiquitously expressed and widely distributed in the brain. But brain regions undergoing degeneration are limited by each neurodegenerative disease. Therefore, it is possible that there is a regulatory mechanism that determines the degenerative regions.
In this study, we generated novel mouse models of neurodegenerative diseases and investigated the mechanisms involved in the regulation of neurodegenerative regions.

Academic Significance and Societal Importance of the Research Achievements

本研究では、新たな神経変性疾患モデルマウスを作製し、このマウスが神経変性領域の制御メカニズムの解明に向けた研究ツールとして有効であること明らかにした。このモデルマウスを用いた解析は、神経変性疾患の発症メカニズムの解明のみならず、根本的治療法および治療薬の確立への基盤になるものと考えられる。

Report

(4 results)
  • 2021 Annual Research Report   Final Research Report ( PDF )
  • 2020 Research-status Report
  • 2019 Research-status Report
  • Research Products

    (6 results)

All 2022 2021 2020 Other

All Journal Article (4 results) (of which Peer Reviewed: 4 results,  Open Access: 2 results) Presentation (1 results) Remarks (1 results)

  • [Journal Article] CLSPCOL rescues Alzheimer’s disease mouse models2022

    • Author(s)
      Kusakari Shinya、Nawa Mikiro、Hashimoto Yuichi、Matsuoka Masaaki
    • Journal Title

      Translational Neuroscience

      Volume: 13 Issue: 1 Pages: 11-19

    • DOI

      10.1515/tnsci-2022-0209

    • Related Report
      2021 Annual Research Report
    • Peer Reviewed / Open Access
  • [Journal Article] Protein tyrosine phosphatase Shp2 positively regulates cold stress-induced tyrosine phosphorylation of SIRPα in neurons2021

    • Author(s)
      Jingu Daiki、Iino Mika、Kawasaki Joji、Urano Eriko、Kusakari Shinya、Hayashi Yuriko、Matozaki Takashi、Ohnishi Hiroshi
    • Journal Title

      Biochemical and Biophysical Research Communications

      Volume: 569 Pages: 72-78

    • DOI

      10.1016/j.bbrc.2021.06.084

    • Related Report
      2021 Annual Research Report
    • Peer Reviewed
  • [Journal Article] Restoration of the reduced CLSP activity alleviates memory impairment in Alzheimer disease2021

    • Author(s)
      Hashimoto Yuichi、Kusakari Shinya、Nawa Mikiro、Okamoto Koichi、Toyama Yuka、Matsuoka Masaaki
    • Journal Title

      Translational Psychiatry

      Volume: 11 Issue: 1 Pages: 44-44

    • DOI

      10.1038/s41398-020-01168-8

    • Related Report
      2020 Research-status Report
    • Peer Reviewed / Open Access
  • [Journal Article] Practical training of pharmacokinetics with an web-based simulation application2020

    • Author(s)
      Hara I, Suzuki H, Kusakari S, Matsuoka M
    • Journal Title

      Folia Pharmacologica Japonica

      Volume: 155 Issue: 1 Pages: 51-55

    • DOI

      10.1254/fpj.19057

    • NAID

      130007778878

    • ISSN
      0015-5691, 1347-8397
    • Related Report
      2019 Research-status Report
    • Peer Reviewed
  • [Presentation] Analysis of molecular mechanism underlying cell death induced by an ALS/FTD-causative gene CHCHD102022

    • Author(s)
      草苅伸也、小林悠理、鈴木宏昌、松岡正明
    • Organizer
      第95回日本薬理学会年会
    • Related Report
      2021 Annual Research Report
  • [Remarks] 東京医科大学薬理学分野ホームページ

    • URL

      http://www.tokyo-med.ac.jp/pharmacol/top.html

    • Related Report
      2021 Annual Research Report 2020 Research-status Report 2019 Research-status Report

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Published: 2019-04-18   Modified: 2023-01-30  

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