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Bone regenerative medicine by regulation of pathological osteoclastgenesis targeting OC-STAMP.

Research Project

Project/Area Number 19K24075
Research Category

Grant-in-Aid for Research Activity Start-up

Allocation TypeMulti-year Fund
Review Section 0907:Oral science and related fields
Research InstitutionKyoto Prefectural University of Medicine

Principal Investigator

Yamamoto Kenta  京都府立医科大学, 医学部附属病院, 専攻医 (00636160)

Project Period (FY) 2019-08-30 – 2021-03-31
Project Status Completed (Fiscal Year 2020)
Budget Amount *help
¥2,860,000 (Direct Cost: ¥2,200,000、Indirect Cost: ¥660,000)
Fiscal Year 2020: ¥1,430,000 (Direct Cost: ¥1,100,000、Indirect Cost: ¥330,000)
Fiscal Year 2019: ¥1,430,000 (Direct Cost: ¥1,100,000、Indirect Cost: ¥330,000)
Keywords骨再生 / 病的破骨細胞誘導抑制 / OCSTAMP / 病的破骨細胞抑制
Outline of Research at the Start

本研究では、OC-Stamp siRNAを病的骨吸収部位に導入し、OC-stamp発現を特異的に抑制してその効果を解析することで、OC-stamp抑制療法の有用性を検証する。さらに、骨芽細胞移植を併用し、病的骨吸収の抑制と骨形成促進を併用する新規骨再生治療の基盤技術を確立することを目的とする。

Outline of Final Research Achievements

It was reported that OC-stamp is involved in rather pathological osteoclast formation as cell-cell fusogen than in osteoclastgenessis as regular bone remodeling. Thus, if we can regulate the expression of OC-stamp, it will be new bone regenerative therapy for osteolytic diseases such as periodititis and rheumatoid arthritis without inhibiting normal bone metabolism.
We evaluated osteoclastgenesis of target cells by down-regulating the expression of OC-stamp. The cells down-regulated OC-stamp expression showed lower osteoclasts formation than non-transfected cells by TRAP staining and qPCR. However, the inhibition of osteoclastgenesis was limited. Further studies are needed.

Academic Significance and Societal Importance of the Research Achievements

本研究では、病的破骨細胞誘導に関与している可能性が示唆されているOC-stampを特異的に抑制することで、副作用の少ない、骨再生療法の基盤開発を目指したものである。本研究の成果より、OC-stampを抑制することで、破骨細胞分化を制御できうる可能性が示唆された。本研究成果は安全で効果的な新規骨再生療法の基盤技術確立の一助となりえ、学術的意義と社会的意義は大きいと考えられる。

Report

(3 results)
  • 2020 Annual Research Report   Final Research Report ( PDF )
  • 2019 Research-status Report
  • Research Products

    (7 results)

All 2020 2019

All Journal Article (1 results) (of which Peer Reviewed: 1 results,  Open Access: 1 results) Presentation (6 results) (of which Int'l Joint Research: 3 results)

  • [Journal Article] Effects of mechanical stress on human oral mucosa‐derived cells2020

    • Author(s)
      Nakamura Koya、Yamamoto Toshiro、Ema Ryo、Nakai Kei、Sato Yoshiki、Yamamoto Kenta、Adachi Keiji、Oseko Fumishige、Yamamoto Yoshiaki、Kanamura Narisato
    • Journal Title

      Oral Diseases

      Volume: Sep 5 Issue: 5 Pages: 9-9

    • DOI

      10.1111/odi.13638

    • Related Report
      2020 Annual Research Report
    • Peer Reviewed / Open Access
  • [Presentation] ケミカル・ダイレクト・リプログラミングによる機能性ヒト骨芽細胞の創出2020

    • Author(s)
      山本健太、山本俊郎、佐藤良樹、岸田綱郎、松田修、金村成智
    • Organizer
      第41回日本炎症・再生医学会
    • Related Report
      2020 Annual Research Report
  • [Presentation] ダイレクト・コンヴァージョン技術を用いた骨芽細胞と多孔質ハイブリッド架橋ナノゲル足場を活用した骨組織再生の評価2020

    • Author(s)
      佐藤良樹、山本健太、中井 敬、大迫文重、山本俊郎、岸田綱郎、松田修、金村成智
    • Organizer
      第41回日本炎症・再生医学会
    • Related Report
      2020 Annual Research Report
  • [Presentation] Bone regeneration by osteoblasts transplantation using nanogel as a scaffold2019

    • Author(s)
      Sato Y, Yamamoto K, Takizawa S, Adachi K, Oseko F, Kishida T, Mazda O, Yamamoto T, Kanamura N
    • Organizer
      4th Meeting of the International Association for Dental Reserch Asua Pacific Region (IADR APR)
    • Related Report
      2019 Research-status Report
    • Int'l Joint Research
  • [Presentation] Transplantation of dental pulp-derived cell sheets cultured on human amniotic membrane2019

    • Author(s)
      Yamamoto T, Sato Y, Yamamoto K, Adachi T, Oseko F, Kanamura N
    • Organizer
      4th Meeting of the International Association for Dental Reserch Asua Pacific Region (IADR APR)
    • Related Report
      2019 Research-status Report
    • Int'l Joint Research
  • [Presentation] ダイレクト・コンバージョン技術による新規骨再生療法の確立2019

    • Author(s)
      中井 敬, 佐藤良樹, 山本健太, 足立哲也, 滝沢茂太, 足立圭司, 大迫文重, 山本俊郎, 金村成智
    • Organizer
      第31回日本口腔科学会近畿地方部会
    • Related Report
      2019 Research-status Report
  • [Presentation] Effffects of Semaphorin4D Produced by Activated Platelets on Periodontal Osteoblastogenesis2019

    • Author(s)
      Kawai T, Shindo S, Movila A, Ikeda A, Kandalam U, Heidari A, Vardar SS, Yamamoto K, Hernandez M.
    • Organizer
      97th General Session and Exhibition of the International Association for Dental Research (IADR)
    • Related Report
      2019 Research-status Report
    • Int'l Joint Research

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Published: 2019-09-03   Modified: 2022-01-27  

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