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Effects of canonical Wnt pathway on dental pulp wound healing

Research Project

Project/Area Number 16K11562
Research Category

Grant-in-Aid for Scientific Research (C)

Allocation TypeMulti-year Fund
Section一般
Research Field Conservative dentistry
Research InstitutionMeikai University

Principal Investigator

Kadokura Hiroshi  明海大学, 歯学部, 講師 (60343456)

Project Period (FY) 2016-04-01 – 2019-03-31
Project Status Completed (Fiscal Year 2018)
Budget Amount *help
¥3,250,000 (Direct Cost: ¥2,500,000、Indirect Cost: ¥750,000)
Fiscal Year 2018: ¥1,170,000 (Direct Cost: ¥900,000、Indirect Cost: ¥270,000)
Fiscal Year 2017: ¥1,170,000 (Direct Cost: ¥900,000、Indirect Cost: ¥270,000)
Fiscal Year 2016: ¥910,000 (Direct Cost: ¥700,000、Indirect Cost: ¥210,000)
Keywords象牙質形成 / 象牙芽細胞分化 / Canonical Wnt経路 / ectodin / 象牙芽細胞 / Wntシグナル / Ectodin / Wnt シグナル / 歯科 / 歯髄組織
Outline of Final Research Achievements

The aim of this study was to research effects of canonical Wnt pathway in dentinogeneshis using cultured rat dental pulp cells. Reduce the expression of Ectodin which is antagonist of canonical Wnt pathway decreased dentinogenesis in dental pulp cells. Expression of canonical Wnt pathway relating factors were promoted in these cells at early culture period but the expression of these factors and Wnt were decreased at late culture period. These results suggest that canonical Wnt pathway regulate dentinogenesis and there is a possible that canonical Wnt pathway has negative feedback regulations of itself.

Academic Significance and Societal Importance of the Research Achievements

8020運動に代表されるように歯の保存はQOLに深くかかわっている。歯の保存治療では歯髄組織を保護し修復象牙質の形成を促進させる新たな治療法の開発が待ち望まれている。学術的意義として本研究によりcanonical Wnt経路が修復象牙質形成を調節していること、そしてその作用にはcanonical Wnt経路自体による負の制御機構が存在することが示唆されたことにある。社会的意義としてはcanonical Wnt経路の活性を調節し歯髄組織の修復象牙質形成を促進させる新たな歯科保存治療の開発の一助になると考える。

Report

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

    (5 results)

All 2019 2018 2017 2016

All Journal Article (1 results) (of which Peer Reviewed: 1 results,  Open Access: 1 results) Presentation (4 results)

  • [Journal Article] Establishment of a Primary Culture System of Human Periodontal Ligament Cells that Differentiate into Cementum Protein 1-expressing Cementoblast-like Cells2019

    • Author(s)
      KADOKURA HIROSHI、YAMAZAKI TAKAHIDE、MASUDA YOSHIKO、KATO YUKA、HASEGAWA AKIHIKO、SAKAGAMI HIROSHI、YOKOSE SATOSHI
    • Journal Title

      In Vivo

      Volume: 33 Issue: 2 Pages: 349-352

    • DOI

      10.21873/invivo.11480

    • Related Report
      2018 Annual Research Report
    • Peer Reviewed / Open Access
  • [Presentation] GSK-3アンタゴニスト(Tideglusib)による培養歯髄細胞の修復象牙質産生への影響の解明2018

    • Author(s)
      増田宜子、門倉弘志、山﨑崇秀、上田堯之、加藤邑佳、横瀬敏志
    • Organizer
      日本歯科保存学会
    • Related Report
      2018 Annual Research Report
  • [Presentation] Oxytocinが培養歯髄細胞のdentinogenesisに及ぼす影響について2018

    • Author(s)
      加藤邑佳、上田堯之、矢野結、山﨑崇秀、門倉弘志、増田宜子、横瀬敏志
    • Organizer
      日本歯科保存学会
    • Related Report
      2018 Annual Research Report
  • [Presentation] ラット歯髄培養細胞の分化に及ぼすWnt10aとEctodinの作用について2017

    • Author(s)
      上田堯之、門倉弘志、山﨑崇秀、横瀬敏志
    • Organizer
      日本歯科保存学会学術大会
    • Related Report
      2017 Research-status Report
  • [Presentation] ラット培養歯髄細胞のdentinogenesisにおけるectodinとwntシグナルの影響について2016

    • Author(s)
      上田 堯之、門倉弘志、山崎崇秀、鈴木瑛子、高橋淳哉、石岡和仁、藤原ひかり、横瀬敏志
    • Organizer
      日本歯科保存学会学術大会
    • Place of Presentation
      栃木県総合文化センター 栃木県 宇都宮
    • Year and Date
      2016-06-09
    • Related Report
      2016 Research-status Report

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

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