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Complete regeneration of periodontal tissue by junctional epithellium regeneration

Research Project

Project/Area Number 17K11630
Research Category

Grant-in-Aid for Scientific Research (C)

Allocation TypeMulti-year Fund
Section一般
Research Field Morphological basic dentistry
Research InstitutionTokyo Dental College

Principal Investigator

MATSUZAKA Kenichi  東京歯科大学, 歯学部, 教授 (70266568)

Co-Investigator(Kenkyū-buntansha) 井上 健児  東京歯科大学, 歯学部, ポストドクトラル・フェロー (00624636)
中島 啓  東京歯科大学, 歯学部, 助教 (20733463)
国分 栄仁  東京歯科大学, 歯学部, 講師 (70453785)
Project Period (FY) 2017-04-01 – 2021-03-31
Project Status Completed (Fiscal Year 2020)
Budget Amount *help
¥4,680,000 (Direct Cost: ¥3,600,000、Indirect Cost: ¥1,080,000)
Fiscal Year 2020: ¥1,040,000 (Direct Cost: ¥800,000、Indirect Cost: ¥240,000)
Fiscal Year 2019: ¥1,040,000 (Direct Cost: ¥800,000、Indirect Cost: ¥240,000)
Fiscal Year 2018: ¥1,300,000 (Direct Cost: ¥1,000,000、Indirect Cost: ¥300,000)
Fiscal Year 2017: ¥1,300,000 (Direct Cost: ¥1,000,000、Indirect Cost: ¥300,000)
Keywords歯周組織 / 再生 / 歯周組織再生 / iPS細胞 / 幹細胞 / 歯の再生 / odontoblast / 分化誘導 / 象牙芽細胞 / 歯学
Outline of Final Research Achievements

A treatment of periodontal disease purposes to be decreased inflammation and regenerative therapy. Although periodontal regenerative therapy is focused to alveolar bone regeneration, periodontal tissue constitutes not only alveolar bone but also periodontal ligament, gingiva and junctional epithelium. We aspire for perfect regeneration of periodontal tissue. The purpose of this study is to induce iPS cells for periodontal cells, and to evaluate the interaction among various cells in periodontal tissue. This study indicated the conditions for iPS cells to be several kinds of cells in periodontal tissue. Further, some roles of Malassez' epithelial cell for periodontal tissue cells were elucidated.

Academic Significance and Societal Importance of the Research Achievements

歯周組織の再生療法は歯槽骨の再生を主体に行われているが、本来歯槽骨のみならず、歯肉や歯根膜、付着上皮など歯周に存在するすべての組織が再生されるべきである。この目標のために、本研究では再生療法分野で注目されているiPS細胞の歯周組織細胞への分化誘導と歯周組織に存在する細胞の相互関係を解明することを目的とした。本研究の成果から、将来の歯周組織再生に関する考え方が変わり、破壊される前の歯周組織に戻す治療の基礎となるものである。

Report

(5 results)
  • 2020 Annual Research Report   Final Research Report ( PDF )
  • 2019 Research-status Report
  • 2018 Research-status Report
  • 2017 Research-status Report
  • Research Products

    (7 results)

All 2021 2020 2019 2018 2017

All Journal Article (5 results) (of which Int'l Joint Research: 1 results,  Peer Reviewed: 5 results,  Open Access: 2 results) Presentation (2 results)

  • [Journal Article] Immunohistochemical study of CK7 and CK17 on metaplastic cells of dentigerous cysts, and mRNA expressions on cultured odontogenic epithelial cells after centrifugal force2021

    • Author(s)
      Sumi, M., Akashi, Y., Nakajima, K., Kokubun, K., Murakami, S., Matsuzaka, K., Inoue, T.
    • Journal Title

      日本口腔検査学会雑誌

      Volume: 13 Pages: 3-13

    • Related Report
      2020 Annual Research Report
    • Peer Reviewed
  • [Journal Article] The effect of fibroblast growth factor 7 on human dental pulp stem cells for differentiation to AQP5 ‐positive and α SMA ‐positive cells in vitro and in vivo2021

    • Author(s)
      Akashi Yoshihiko、Nemoto Atsushi、Nakajima Kei、Kokubun Katsutoshi、Murakami Satoshi、Inoue Takashi、Matsuzaka Kenichi
    • Journal Title

      Clinical and Experimental Dental Research

      Volume: 8 Issue: 3 Pages: 1-10

    • DOI

      10.1002/cre2.423

    • Related Report
      2020 Annual Research Report
    • Peer Reviewed / Open Access
  • [Journal Article] Analysis of DNA methylation of E‐cadherin and p16 ink4a in oral lichen planus/oral lichenoid lesions2020

    • Author(s)
      Chujo Takatoshi、Yoshida Koki、Takai Rie、Uehara Osamu、Matsuoka Hirofumi、Morikawa Tetsuro、Sato Jun、Chiba Itsuo、Matsuzaka Kenichi、Abiko Yoshihiro
    • Journal Title

      Clinical and Experimental Dental Research

      Volume: 7 Issue: 2 Pages: 205-210

    • DOI

      10.1002/cre2.355

    • Related Report
      2020 Annual Research Report
    • Peer Reviewed
  • [Journal Article] Oral epithelial cells inhibit the proliferation, mRNA expressions of collagen type I, RUNX2 and BGP, and ALP activity of osteoblast-like cells in co-culture2018

    • Author(s)
      Matsuzaka K, Horikawa T, Kokubu E, Inoue T
    • Journal Title

      Biomedical Research

      Volume: 29 Pages: 3085-3089

    • Related Report
      2018 Research-status Report
    • Peer Reviewed / Open Access / Int'l Joint Research
  • [Journal Article] Evaluation of the ability of ERM cells to stimulate the osteogenic differentiation of miPS cells2018

    • Author(s)
      Koichi Naono, Kenichi Matsuzaka, Takashi Inoue
    • Journal Title

      Clinical Dentistry and Research

      Volume: 42

    • Related Report
      2017 Research-status Report
    • Peer Reviewed
  • [Presentation] 口腔粘膜上皮細胞の骨芽細胞様細胞への影響 -共培養による検討-2019

    • Author(s)
      堀川 正、國分克寿、国分栄仁、松坂賢一
    • Organizer
      第61回歯科基礎医学会学術大会
    • Related Report
      2019 Research-status Report
  • [Presentation] Effect of EDTA-treated dentin on the differentiation of mouse iPS cells into osteogenic/ odontogenic lineage in vitro and in vivo2017

    • Author(s)
      Tungalag Ser-Od, Akram Al-Wahabi, Yoshihiko Akashi, Masami Sumi, Kenji Inoue, Kei Nakajima, Kenichi Matsuzaka, Takashi Inoue, Toshifumi Azuma
    • Organizer
      第303回東京歯科大学学会
    • Related Report
      2017 Research-status Report

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Published: 2017-04-28   Modified: 2022-01-27  

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