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Exploratory research of therapeutic agents for neurodegenerative diseases based on clearance of alpha-synuclein

Research Project

Project/Area Number 16H07341
Research Category

Grant-in-Aid for Research Activity Start-up

Allocation TypeSingle-year Grants
Research Field Pharmacology in pharmacy
Research InstitutionRitsumeikan University

Principal Investigator

Hijioka Masanori  立命館大学, 薬学部, 助教 (50780061)

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)
Keywordsα-シヌクレイン / DJ-1 / 神経細胞 / ミクログリア / NF-κB / オートファジー / タンパク質分解系 / ファゴサイトーシス
Outline of Final Research Achievements

Preceding studies showed that α-synuclein (α-syn) was accumulated in neurons and extracellular α-syn bound to microglia and caused inflammation in the brain of patients with synucleinopathy. In this study, I investigated the effects of DJ-1 which is one of the causative genes of Parkinson's disease to cell responses induced by α-syn. I revealed that intracellular aggregation of α-syn was increased in the DJ-1 deficient SH-SY5Y cells compared with WT cells. Furthermore, I found that compounds predicted to bind to DJ-1 attenuated the inflammatory response in Microglia. These data suggest that DJ-1 can be a therapeutic target for neurodegenerative disease caused by α-syn.

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

  • [Journal Article] DJ-1/PARK7: A New Therapeutic Target for Neurodegenerative Disorders2017

    • Author(s)
      Hijioka Masanori、Inden Masatoshi、Yanagisawa Daijiro、Kitamura Yoshihisa
    • Journal Title

      Biological and Pharmaceutical Bulletin

      Volume: 40 Issue: 5 Pages: 548-552

    • DOI

      10.1248/bpb.b16-01006

    • NAID

      130005631951

    • ISSN
      0918-6158, 1347-5215
    • Related Report
      2017 Annual Research Report
    • Peer Reviewed / Open Access
  • [Presentation] DJ-1結合化合物はマウスミクログリアにおいてTLR2を介した炎症反応を抑制する2018

    • Author(s)
      尾上徹, 肱岡雅宣, 北村佳久
    • Organizer
      第138回日本薬理学会関東部会
    • Related Report
      2017 Annual Research Report
  • [Presentation] DJ-1-binding compound ameliorates spatial learning and memory impairment in a mouse model of Alzheimer’s disease.2018

    • Author(s)
      Kitamura Y. and Hijioka M.
    • Organizer
      18th World Congress of Basic and Clinical Pharmacology
    • Related Report
      2017 Annual Research Report
    • Int'l Joint Research
  • [Presentation] DJ-1 binding compound attenuates TLR2-mediated inflammatory reactions in BV-2 microglia.2018

    • Author(s)
      Tanaka C., Hijioka M., Onoue T. and Kitamura Y.
    • Organizer
      第41回 日本神経科学大会
    • Related Report
      2017 Annual Research Report

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

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