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Search of RelB-NFkB2 signal inhibitor using Glioma-initiating cells

Research Project

Project/Area Number 16K18447
Research Category

Grant-in-Aid for Young Scientists (B)

Allocation TypeMulti-year Fund
Research Field Tumor therapeutics
Research InstitutionHokkaido University

Principal Investigator

Ohtsu Naoki  北海道大学, 遺伝子病制御研究所, 助教 (10588403)

Project Period (FY) 2016-04-01 – 2019-03-31
Project Status Completed (Fiscal Year 2018)
Budget Amount *help
¥4,160,000 (Direct Cost: ¥3,200,000、Indirect Cost: ¥960,000)
Fiscal Year 2017: ¥2,080,000 (Direct Cost: ¥1,600,000、Indirect Cost: ¥480,000)
Fiscal Year 2016: ¥2,080,000 (Direct Cost: ¥1,600,000、Indirect Cost: ¥480,000)
KeywordsGlioblastoma: multiform / Glioma-initiating cell / NF-kB pathway / Eva1 / Genome editing / RelA / RelB / グリオブラストーマ / グリオーマ幹細胞 / NFkB2 / Glioblastoma / NF-kB2 / Chemical Screening / NF-kB / 分子標的薬 / Chemical screening / NF-kN
Outline of Final Research Achievements

Glioblastoma multiform is malignant Brain tumor. There is no anti-cancer drug for gliomas other than temozolomide, and if there is no effect of temozolomide, there is no other choice. Our glioma studies revealed that the RelB-NF-κB2 signal pathway is activated in GBM. Therefore, suppressing RelB-NF-κB2 signal is effective for the treatment of glioma. Therefore, in order to search for RelB-NF-κB2 signal inhibitors, we developed RelB signal monitoring cells that did not recognize RelA signal.

Academic Significance and Societal Importance of the Research Achievements

RelB遺伝子の活性化モニタリング細胞を開発することにより、RelB活性化型のGBMに対する抗がん剤の検索が可能になった。このことによりGBMに対する治療の選択肢を増やし、発症後の生存年数や病状が抑えられた期間を延長させること及び再発の防止ができる可能性を見出した。またGBMにおいてもCrispr/Cas9システムを用いたゲノム編集が可能であったため、Eva1やRelBを分子標的としてゲノム編集を用いたこれまでにない治療方法開発の方向性を見出した。

Report

(4 results)
  • 2018 Annual Research Report   Final Research Report ( PDF )
  • 2017 Research-status Report
  • 2016 Research-status Report
  • Research Products

    (8 results)

All 2019 2018 2017 2016

All Journal Article (1 results) (of which Peer Reviewed: 1 results) Presentation (7 results) (of which Int'l Joint Research: 2 results)

  • [Journal Article] Chemical screening identifies EUrd as a novel inhibitor against Temozolomide-resistant glioblastoma-initiating cells.2016

    • Author(s)
      Tsukamoto Y, Ohtsu N, Echizenya S, Otsuguro S, Ogura R, Natsumeda M, Isogawa M, Aoki H, Ichikawa S, Sakaitani M, Matsuda A, Maenaka K, Fujii Y, Kondo T.
    • Journal Title

      Stem Cells

      Volume: - Issue: 8 Pages: 2016-2025

    • DOI

      10.1002/stem.2380

    • Related Report
      2016 Research-status Report
    • Peer Reviewed
  • [Presentation] ゲノム編集を用いたEva1+細胞の増殖抑制方法の開発2019

    • Author(s)
      大津直樹
    • Organizer
      北海道大学部局横断シンポジウム
    • Related Report
      2018 Annual Research Report
  • [Presentation] ゲノム編集を用いたEva1陽性細胞の検出と抑制2019

    • Author(s)
      大津直樹
    • Organizer
      北海道大学IGM交流会
    • Related Report
      2018 Annual Research Report
  • [Presentation] 神経幹細胞がグリオーマ幹細胞に変化するプロセスにおけるEva1遺伝子の発現モニタリング2018

    • Author(s)
      大津直樹、近藤亨
    • Organizer
      日本分子生物学会
    • Related Report
      2018 Annual Research Report
  • [Presentation] Inhibition of Eva1 degrade the formation and development of glioblastomas2017

    • Author(s)
      Naoki Ohtsu
    • Organizer
      2nd International conference on Tumor & Cancer Immunology and Immunotherapy
    • Related Report
      2017 Research-status Report
    • Int'l Joint Research
  • [Presentation] Eva1はNF-kBシグナルを介してグリオーマを悪性化する2017

    • Author(s)
      大津直樹
    • Organizer
      第二回北大・部局横断シンポジウム 「免疫・癌・感染」
    • Place of Presentation
      北海道大学 (北海道札幌市)
    • Related Report
      2016 Research-status Report
  • [Presentation] Eva1 maintains the characteristics of GBM through the activation of non-canonical NF-kB signaling pathway2016

    • Author(s)
      Ohtsu N.
    • Organizer
      Kanazawa Univ-Hokkaido Univ International Cancer Forum for Young Scientists
    • Place of Presentation
      Hokkaido University (Sapporo, Hokkaido, Japan)
    • Related Report
      2016 Research-status Report
    • Int'l Joint Research
  • [Presentation] グリオブラストーマ幹細胞に高発現している膜タンパク質Eva1の機能解析2016

    • Author(s)
      大津直樹
    • Organizer
      第112 回北海道癌談話会春期シンポジウム
    • Place of Presentation
      TKP ガーデンシティ (北海道札幌市)
    • Related Report
      2016 Research-status Report

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Published: 2016-04-21   Modified: 2020-03-30  

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