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Research of the induction of autophagy and the suppression mechanism in MGMT activity by vorinostat

Research Project

Project/Area Number 26861141
Research Category

Grant-in-Aid for Young Scientists (B)

Allocation TypeMulti-year Fund
Research Field Neurosurgery
Research InstitutionNiigata University

Principal Investigator

Ogura Ryosuke  新潟大学, 医歯学総合病院, 医員 (70626423)

Project Period (FY) 2014-04-01 – 2016-03-31
Project Status Completed (Fiscal Year 2015)
Budget Amount *help
¥3,510,000 (Direct Cost: ¥2,700,000、Indirect Cost: ¥810,000)
Fiscal Year 2015: ¥1,170,000 (Direct Cost: ¥900,000、Indirect Cost: ¥270,000)
Fiscal Year 2014: ¥2,340,000 (Direct Cost: ¥1,800,000、Indirect Cost: ¥540,000)
Keywordsボリノスタット / MGMT / 局在 / テモゾロミド / シャペロン介在性オートファジー / 核外移行
Outline of Final Research Achievements

Vorinostat, a histone deacetylase inhibitor, suppress O6-methylguanine-DNA methyltransferase (MGMT) activity, but the mechanism is unknown. In this study, we found that it was necessary to resistant to temozolomide that MGMT localized in nucleus. And MGMT overexpression in cytoplasm may be degraded by chaperone-mediated autophagy. It can be new treatment strategy to change MGMT localization by vorinostat.

Report

(3 results)
  • 2015 Annual Research Report   Final Research Report ( PDF )
  • 2014 Research-status Report
  • Research Products

    (5 results)

All 2016 2015 2014

All Journal Article (4 results) (of which Peer Reviewed: 4 results,  Open Access: 2 results) Presentation (1 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
      2015 Annual Research Report
    • Peer Reviewed
  • [Journal Article] Immunohistochemical profiles of IDH1, MGMT and p53: Practical significance for prognostication of patients with diffuse gliomas.2015

    • Author(s)
      Ogura R, Tsukamoto Y, Natsumeda M, Isogawa M, Aoki H, Kobayashi T, Yoshida S, Okamoto K, Takahashi H, Fujii Y, Kakita A.
    • Journal Title

      Neuropathology

      Volume: - Issue: 4 Pages: 324-335

    • DOI

      10.1111/neup.12196

    • Related Report
      2015 Annual Research Report 2014 Research-status Report
    • Peer Reviewed
  • [Journal Article] Cortico-cortical activity between the primary and supplementary motor cortex: An intraoperative near-infrared spectroscopy study.2015

    • Author(s)
      Fukuda M, Takao T, Hiraishi T, Aoki H, Ogura R, Sato Y, Fujii Y
    • Journal Title

      Surg Neurol Int

      Volume: - Issue: 1 Pages: 44-44

    • DOI

      10.4103/2152-7806.153872

    • Related Report
      2014 Research-status Report
    • Peer Reviewed / Open Access
  • [Journal Article] Accumulation of 2-hydroxyglutarate in gliomas correlates with survival: a study by 3.0-tesla magnetic resonance spectroscopy.2014

    • Author(s)
      Natsumeda M, Igarashi H, Nomura T, Ogura R, Tsukamoto Y, Kobayashi T, Aoki H, Okamoto K, Kakita A, Takahashi H, Nakada T, Fujii Y
    • Journal Title

      Acta Neuropathol Commun.

      Volume: -

    • Related Report
      2014 Research-status Report
    • Peer Reviewed / Open Access
  • [Presentation] ボリノスタットによるオートファジー誘導とMGMT抑制効果に関する研究2014

    • Author(s)
      小倉良介、塚本佳広、棗田学、五十川瑞穂、青木洋、藤井幸彦
    • Organizer
      第15回 日本分子脳神経外科学会
    • Place of Presentation
      大手門パルズ
    • Year and Date
      2014-09-25 – 2014-09-26
    • Related Report
      2014 Research-status Report

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Published: 2014-04-04   Modified: 2017-05-10  

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