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Normal free motion and mechanical stress on the damaged tissue promote healing of the anterior cruciate ligament and meniscal tear

Research Project

Project/Area Number 18K10786
Research Category

Grant-in-Aid for Scientific Research (C)

Allocation TypeMulti-year Fund
Section一般
Review Section Basic Section 59010:Rehabilitation science-related
Research InstitutionSaitama Prefectural University

Principal Investigator

Takayanagi Kiyomi  埼玉県立大学, 保健医療福祉学部, 客員教授 (20274061)

Co-Investigator(Kenkyū-buntansha) 村田 健児  埼玉県立大学, 保健医療福祉学部, 助教 (30792056)
Project Period (FY) 2018-04-01 – 2022-03-31
Project Status Completed (Fiscal Year 2021)
Budget Amount *help
¥4,290,000 (Direct Cost: ¥3,300,000、Indirect Cost: ¥990,000)
Fiscal Year 2021: ¥130,000 (Direct Cost: ¥100,000、Indirect Cost: ¥30,000)
Fiscal Year 2020: ¥1,170,000 (Direct Cost: ¥900,000、Indirect Cost: ¥270,000)
Fiscal Year 2019: ¥2,210,000 (Direct Cost: ¥1,700,000、Indirect Cost: ¥510,000)
Fiscal Year 2018: ¥780,000 (Direct Cost: ¥600,000、Indirect Cost: ¥180,000)
Keywords膝関節前十字靭帯 / 保存療法 / 線維芽細胞 / メカニカルストレス / 伸張刺激 / 膝前十字靭帯 / 自然治癒 / 伸張ストレス / 関節不安定性 / 自己治癒 / 超音波 / 前十字靱帯断裂 / 半月板損傷 / 動物実験モデル / 関節制御 / 前十字靭帯損傷 / 力学的ストレス / 組織治癒
Outline of Final Research Achievements

The ACL does not spontaneously heal after a complete rupture, ACL reconstruction is one of the most common orthopedic techniques performed worldwide. Our group have developed a model that allows for the healing of ACLs for conservative therapy, and our goal is to expand treatment options. However, healing ACL mechanical strength was 50% of normal in the conservative therapy model. In this study, we investigated the effect of mechanical stress in the ACL healing process, on the mechanical strength of healing ACL. Mechanical stress increased the ability to synthesize collagen, suggesting that it may affect mechanical strength in ACL.

Academic Significance and Societal Importance of the Research Achievements

膝関節の前十字靭帯は損傷や断裂によって、身体機能の低下や関節不安定性を引き起こし、変形性膝関節症といった二次的な疾病を惹起する。一般的に他の靭帯組織とは異なり、前十字靭帯は断裂後に自然に治癒はしない。ACL断裂後は保存療法によって治癒するという確固たる証拠がないことから外科的再建術を選択せざる得ない状況である。しかし、我々の研究は前十字靭帯が保存的に治癒する基礎的知見を積み上げ、損傷後の適切かつ機能的なリハビリテーションプロトコルを提案し、新たな治療の選択肢を提供ができるかもしれない。

Report

(5 results)
  • 2021 Annual Research Report   Final Research Report ( PDF )
  • 2020 Research-status Report
  • 2019 Research-status Report
  • 2018 Research-status Report
  • Research Products

    (4 results)

All 2022 2021

All Journal Article (1 results) (of which Int'l Joint Research: 1 results) Presentation (3 results) (of which Int'l Joint Research: 1 results)

  • [Journal Article] Influence of the site of injury on the spontaneous healing response in a rat model of total rupture of the anterior cruciate ligament2021

    • Author(s)
      Kano T.,Kokubun T.,Murata K.,Oka Y.,Ozone K.,Arakawa K., Morishita Y.,Takayanagi K., Kanemura N
    • Journal Title

      Connective Tissue Research Published online: 04 Mar 2021

      Volume: 4 Issue: 2 Pages: 1-13

    • DOI

      10.1080/03008207.2021.1889529

    • Related Report
      2020 Research-status Report
    • Int'l Joint Research
  • [Presentation] 膝前十字靭帯由来細胞における引張刺激に対するm R NA発現量の調査2022

    • Author(s)
      高須千晴, 小島拓真, 寺田秀伸, 川端空,榊田拓真, 金村尚彦, 高柳清美, 村田健児
    • Organizer
      第30回埼玉県理学療法学会, 埼玉
    • Related Report
      2021 Annual Research Report
  • [Presentation] Effect of joint immobilizationon ligament strength in self-healing model of the anterior cruciate ligament2022

    • Author(s)
      Chiharu Takasu,Hidenobu Terada, Takuma Kojima, Takuma kano,Yuri Morishita, Sora Kawabata,Takanori Kokubun, Naohiko Kanemura, Kiyomi Takayanagi, Kenji Murata
    • Organizer
      Orthopaedic Research Society (ORS) Annual Meeting 2022
    • Related Report
      2021 Annual Research Report
    • Int'l Joint Research
  • [Presentation] 膝前十字靭帯自己治癒モデルに対する関節固定が靭帯強度に及ぼす影響2021

    • Author(s)
      高須千晴, 小島拓真, 寺田秀伸, 川端空,榊田拓真, 金村尚彦, 高柳清美, 村田健児
    • Organizer
      第26回日本基礎理学療法学術大会, 新潟
    • Related Report
      2021 Annual Research Report

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Published: 2018-04-23   Modified: 2023-01-30  

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