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Roles of oncogenes on tumor maintenance and progression

Research Project

Project/Area Number 26870025
Research Category

Grant-in-Aid for Young Scientists (B)

Allocation TypeMulti-year Fund
Research Field Pathological medical chemistry
Experimental pathology
Research InstitutionAsahikawa Medical College

Principal Investigator

Yamamoto Masahiro  旭川医科大学, 医学部, 講師 (30431399)

Project Period (FY) 2014-04-01 – 2017-03-31
Project Status Completed (Fiscal Year 2016)
Budget Amount *help
¥4,030,000 (Direct Cost: ¥3,100,000、Indirect Cost: ¥930,000)
Fiscal Year 2016: ¥1,040,000 (Direct Cost: ¥800,000、Indirect Cost: ¥240,000)
Fiscal Year 2015: ¥1,300,000 (Direct Cost: ¥1,000,000、Indirect Cost: ¥300,000)
Fiscal Year 2014: ¥1,690,000 (Direct Cost: ¥1,300,000、Indirect Cost: ¥390,000)
Keywordsliver cancer / YAP / TetONシステム / 肝発現 / 癌遺伝子 / Cre LoxP / Sleeping Beauty
Outline of Final Research Achievements

In carcinogenic process, multiple gene abnormalities accumulate, but it has not been fully elucidated if the gene abnormalities in the early carcinogenic process are also important in the late carcinogenic processes; maintenance and progression of tumor cells. In this study, we evaluated the methods to control the gene expression required in the early carcinogenic process by inducible Cre-LoxP system and tetracycline system in mouse liver cancer model. As a result, the methods controlled gene expression only in parts of the tumor cells, or in a low efficiency. Although the methods were not able to efficiently control in the all tumor cells, the results suggest that methods using genetically modified mice or induction of inhibitory molecules would be useful for controlling the oncogenic genes.

Report

(4 results)
  • 2016 Annual Research Report   Final Research Report ( PDF )
  • 2015 Research-status Report
  • 2014 Research-status Report
  • Research Products

    (11 results)

All 2017 2016 2015

All Journal Article (2 results) (of which Peer Reviewed: 2 results,  Open Access: 2 results) Presentation (9 results) (of which Int'l Joint Research: 1 results,  Invited: 2 results)

  • [Journal Article] Role of the BrafV637E mutation in hepatocarcinogenesis induced by treatment with diethylnitrosamine in neonatal B6C3F1 mice.2017

    • Author(s)
      Yamamoto M, Tanaka H, Xin B, Nishikawa Y, Yamazaki K, Shimizu K, Ogawa K.
    • Journal Title

      Molecular Carcinogenesis

      Volume: 56(2) Issue: 2 Pages: 478-488

    • DOI

      10.1002/mc.22510

    • NAID

      120006346198

    • Related Report
      2016 Annual Research Report
    • Peer Reviewed / Open Access
  • [Journal Article] Progressive induction of liver progenitor cells in chronically injured liver.2017

    • Author(s)
      Tanimizu N, Ichinohe N, Yamamoto M, Akiyama H, Nishikawa Y, Mitaka T.
    • Journal Title

      Scientific Reports,

      Volume: Jan 4; 7 Issue: 1 Pages: 39990-39990

    • DOI

      10.1038/srep39990

    • Related Report
      2016 Annual Research Report
    • Peer Reviewed / Open Access
  • [Presentation] マウス肝腫瘍表現型決定における Yap,Notch,MycおよびPI3 kinase経路の相互作用の検討2016

    • Author(s)
      山本雅大,辛氷,渡邉賢二,大塩貴子,藤井清永,陳錫, 岡田陽子,西川祐司
    • Organizer
      第23回肝細胞研究会
    • Place of Presentation
      大阪
    • Year and Date
      2016-07-07
    • Related Report
      2016 Annual Research Report
  • [Presentation] Effects of the Interaction of the PI3 Kinase Pathway, Hippo-Yap Pathway, and c-Myc on the Phenotype of Mouse Liver Tumors2016

    • Author(s)
      Masahiro Yamamoto, Bing Xin, Xi Chen, Kiyonaga Fujii, Takako Ooshio, Yoko Okada, Yuji Nishikawa
    • Organizer
      The 105th Annual Meeting of the Japan Society of Pathology
    • Place of Presentation
      仙台
    • Year and Date
      2016-05-12
    • Related Report
      2016 Annual Research Report
  • [Presentation] Sleeping Beauty トランスポゾンによるマウス肝発癌モデルー発癌関連遺伝子と肝腫瘍形質の関連の検討2016

    • Author(s)
      山本雅大
    • Organizer
      第32回日本毒性病理学会総会及び学術集会
    • Place of Presentation
      サンポートホール高松
    • Year and Date
      2016-01-28
    • Related Report
      2015 Research-status Report
    • Invited
  • [Presentation] 動物実験肝癌モデルからみた 遺伝子異常と肝癌形質の関連2016

    • Author(s)
      山本雅大
    • Organizer
      第6回北海道探索病理学研究シンポジウム
    • Place of Presentation
      札幌
    • Related Report
      2016 Annual Research Report
    • Invited
  • [Presentation] マウス肝細胞におけるNotch経路とPI3 kinase経路の 活性化による胆管性腫瘍の誘導 :Myc過剰発現の腫瘍促進効果2016

    • Author(s)
      山本雅大、辛 氷、陳 錫、藤井清永、大塩貴子、岡田陽子、西川祐司
    • Organizer
      第31回発癌病理研究会
    • Place of Presentation
      長野
    • Related Report
      2016 Annual Research Report
  • [Presentation] Effects of c-Myc and Hippo-Yap pathways on phenotypic determination of mouse liver tumors2015

    • Author(s)
      Masahiro Yamamoto, Bing Xin, Xi Chen, Kiyonaga Fujii, Takako Ooshio, Yoko Okada, Yuji Nishikawa
    • Organizer
      第74回日本癌学会総会
    • Place of Presentation
      名古屋
    • Year and Date
      2015-10-08
    • Related Report
      2015 Research-status Report
  • [Presentation] マウス肝細胞性腫瘍におけるHippo-Yap経路とc-Mycの活性化の胆管上皮細胞分化に対する影響2015

    • Author(s)
      山本雅大、辛氷、陳錫、藤井清永、大塩貴子、岡田陽子、西川祐司
    • Organizer
      第104回日本病理学会総会
    • Place of Presentation
      名古屋
    • Year and Date
      2015-04-30
    • Related Report
      2015 Research-status Report
  • [Presentation] Opposing effects of the Hippo-Yap pathway and c-Myc in phenotypic determination of mouse hepatocytic tumors induced by myrAkt2015

    • Author(s)
      山本 雅大
    • Organizer
      Annual meeting of American Association of Cancer Research
    • Place of Presentation
      Philadelphia, USA
    • Year and Date
      2015-04-18 – 2015-04-22
    • Related Report
      2014 Research-status Report
  • [Presentation] Opposing effects of the Hippo-Yap pathway and c-Myc in phenotypic determination of mouse hepatocytic tumors induced by myrAkt2015

    • Author(s)
      山本雅大
    • Organizer
      Annual Meeting of American Association for Cancer Research
    • Place of Presentation
      Philadelphia
    • Year and Date
      2015-04-18
    • Related Report
      2015 Research-status Report
    • Int'l Joint Research

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Published: 2014-04-04   Modified: 2018-03-22  

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