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Elucidation of molecular mechanism underlying chondrocyte dedifferentiation

Research Project

Project/Area Number 15K15539
Research Category

Grant-in-Aid for Challenging Exploratory Research

Allocation TypeMulti-year Fund
Research Field Orthopaedic surgery
Research InstitutionTokyo Medical and Dental University

Principal Investigator

Shinomura Tamayuki  東京医科歯科大学, 大学院医歯学総合研究科, 准教授 (70206118)

Project Period (FY) 2015-04-01 – 2017-03-31
Project Status Completed (Fiscal Year 2016)
Budget Amount *help
¥3,640,000 (Direct Cost: ¥2,800,000、Indirect Cost: ¥840,000)
Fiscal Year 2016: ¥1,430,000 (Direct Cost: ¥1,100,000、Indirect Cost: ¥330,000)
Fiscal Year 2015: ¥2,210,000 (Direct Cost: ¥1,700,000、Indirect Cost: ¥510,000)
Keywords軟骨細胞 / 脱分化
Outline of Final Research Achievements

For both basic research and clinical applications, it is very important to prevent dedifferentiation of chondrocytes. Therefore, in this study I have performed a comprehensive analysis of the molecular mechanisms that control the dedifferentiation of chondrocytes using Swarm rat chondrosarcoma chondrocytes. Although the mechanisms are still unclear, I have established a new experimental system to specifically and efficiently induce the chondrocyte dedifferentiation by a retrovirus vector. So, by determining the retrovirus insertion sites, we will be able to elucidate the molecular mechanism of the dedifferentiation.

Report

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

    (6 results)

All 2017 2016

All Journal Article (2 results) (of which Peer Reviewed: 2 results,  Acknowledgement Compliant: 1 results) Presentation (4 results) (of which Int'l Joint Research: 1 results)

  • [Journal Article] Role of versican in the pathogenesis of peritoneal endometriosis2016

    • Author(s)
      Hirohiko Tani, Yukiyasu Sato, Masashi Ueda, Yumiko Miyazaki, Koh Suginami, Akihito Horie, Ikuo Konishi, Tamayuki Shinomura
    • Journal Title

      The Journal of Clinical Endocrinology & Metabolism

      Volume: 101 Issue: 11 Pages: 4349-4356

    • DOI

      10.1210/jc.2016-2391

    • Related Report
      2016 Annual Research Report
    • Peer Reviewed
  • [Journal Article] Development and application of a new silent reporter system to quantitate the activity of enhancer elements in the type II collagen gene2016

    • Author(s)
      Ito, K., and Shinomura, T.
    • Journal Title

      Gene

      Volume: 585 Pages: 13-21

    • Related Report
      2015 Research-status Report
    • Peer Reviewed / Acknowledgement Compliant
  • [Presentation] Different regulation of Col2a1 & Agc1 gene expression via different enhancer elements2017

    • Author(s)
      Tamayuki Shinomura
    • Organizer
      Gordon Research Conference on Cartilage Biology & Pathology
    • Place of Presentation
      Renaissance Tuscany Il Ciocco Lucca, Italy
    • Year and Date
      2017-04-02
    • Related Report
      2016 Annual Research Report
    • Int'l Joint Research
  • [Presentation] II型コラーゲンとアグリカンの遺伝子発現は異なった制御下にある2017

    • Author(s)
      ニャン ジャン、篠村 多摩之
    • Organizer
      日本軟骨代謝学会
    • Place of Presentation
      京都市勧業館みやこめっせ(京都府京都市)
    • Year and Date
      2017-03-03
    • Related Report
      2016 Annual Research Report
  • [Presentation] Histone modifications regulate the cartilage-specific gene expression of type II Collagen and Aggrecan in chondrocytes2016

    • Author(s)
      Nham Thi Hien Giang、Tamayuki Shinomura
    • Organizer
      口腔病学会
    • Place of Presentation
      東京医科歯科大学(東京都文京区)
    • Year and Date
      2016-11-25
    • Related Report
      2016 Annual Research Report
  • [Presentation] II型コラーゲンの大量合成に必要なエンハンサーの解析2016

    • Author(s)
      伊藤和生、篠村多摩之
    • Organizer
      日本軟骨代謝学会
    • Place of Presentation
      広島大学広仁会館(広島県広島市)
    • Year and Date
      2016-02-19
    • Related Report
      2015 Research-status Report

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Published: 2015-04-16   Modified: 2018-03-22  

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