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Investigation on the role of tendon in musculoskeletal morphogenesis

Research Project

Project/Area Number 23K23899
Project/Area Number (Other) 22H02636 (2022-2023)
Research Category

Grant-in-Aid for Scientific Research (B)

Allocation TypeMulti-year Fund (2024)
Single-year Grants (2022-2023)
Section一般
Review Section Basic Section 44020:Developmental biology-related
Research InstitutionMeiji University

Principal Investigator

Inui Masafumi  明治大学, 農学部, 教授 (20643498)

Project Period (FY) 2024-04-01 – 2025-03-31
Project Status Completed (Fiscal Year 2024)
Budget Amount *help
¥17,680,000 (Direct Cost: ¥13,600,000、Indirect Cost: ¥4,080,000)
Fiscal Year 2024: ¥3,640,000 (Direct Cost: ¥2,800,000、Indirect Cost: ¥840,000)
Fiscal Year 2023: ¥2,990,000 (Direct Cost: ¥2,300,000、Indirect Cost: ¥690,000)
Fiscal Year 2022: ¥11,050,000 (Direct Cost: ¥8,500,000、Indirect Cost: ¥2,550,000)
Keywords腱 / 骨格筋 / 軟骨 / 発生 / Scleraxis
Outline of Research at the Start

脊椎動物の運動器は、骨格筋、骨、軟骨、そして骨格筋と骨軟骨をつなぐ腱により機能的な形態が構成されるが、その形成メカニズムの解明は不十分である。本研究は腱を中心とした、組織間相互作用による形態形成メカニズムの解明を目的とし、筋腱結合の再現性メカニズムを解明するための筋腱結合を誘導する分泌因子の同定、腱と骨軟骨の境界形成メカニズムを解明するためのnoncoding RNAによる腱骨境界形成の制御の解析、腱前駆細胞を規定する転写因子Scxの発現制御や標的遺伝子の機能解析に取り組む。

Outline of Final Research Achievements

This study aimed to elucidate the mechanisms governing the integration and morphogenesis of skeletal muscle, cartilage/bone, and tendon in the musculoskeletal system. We focused on identifying muscle-tendon junction-inducing factors, uncovering the role of long non-coding RNAs (lncRNAs) in tendon-bone boundary formation, and elucidating mechanisms of tendon progenitor cell induction. Single-nucleus RNA sequencing (snRNA-seq) revealed several candidate factors potentially involved in muscle-tendon interactions. Knockout analysis of a novel lncRNA indicated its involvement in cartilage differentiation and the morphogenesis of the tendon-bone interface. In addition, we identified direct downstream targets of the tendon-specific transcription factor Scleraxis (Scx) and carried out functional studies. These findings provide new insights into the role of tendon cells in musculoskeletal morphogenesis.

Academic Significance and Societal Importance of the Research Achievements

本研究の成果は運動器の形態形成に与える腱組織の役割について複数の新たな知見を加えるものである。これらの知見は骨格筋と腱の相互作用候補因子の同定や、腱と軟骨の分化に関与するlong non-coding RNAの機能解析など、これまでにない切り口から発生生物学の分野における形態形成メカニズムの理解の促進に貢献するなどの学術的な意義に加え、将来的には健康科学やスポーツ医学・再生医療等にも応用が期待されるなど、幅広い社会的意義も有する。

Report

(4 results)
  • 2024 Annual Research Report   Final Research Report ( PDF )
  • 2023 Annual Research Report
  • 2022 Annual Research Report
  • Research Products

    (15 results)

All 2025 2024 2023 2022

All Journal Article (5 results) (of which Int'l Joint Research: 2 results,  Peer Reviewed: 5 results,  Open Access: 4 results) Presentation (10 results) (of which Int'l Joint Research: 1 results,  Invited: 2 results)

  • [Journal Article] Dynamic interactions between cartilaginous and tendinous/ligamentous primordia during musculoskeletal integration2025

    • Author(s)
      Yu Xinyi、Kawakami Ryosuke、Yambe Shinsei、Yoshimoto Yuki、Sasaki Takako、Higuchi Shinnosuke、Watanabe Hitomi、Akiyama Haruhiko、Miura Shigenori、Hu Kadi、Kondoh Gen、Sagasaki Ramu、Inui Masafumi、Adachi Taiji、Docheva Denitsa、Imamura Takeshi、Shukunami Chisa
    • Journal Title

      Development

      Volume: 152 Issue: 6 Pages: 1-14

    • DOI

      10.1242/dev.204512

    • Related Report
      2024 Annual Research Report
    • Peer Reviewed / Open Access / Int'l Joint Research
  • [Journal Article] Epigenome editing revealed the role of DNA methylation of T-DMR/CpG island shore on Runx2 transcription2024

    • Author(s)
      Kawa Yutaro、Shindo Miyuki、Ohgane Jun、Inui Masafumi
    • Journal Title

      Biochemistry and Biophysics Reports

      Volume: 38 Pages: 101733-101733

    • DOI

      10.1016/j.bbrep.2024.101733

    • Related Report
      2024 Annual Research Report
    • Peer Reviewed / Open Access
  • [Journal Article] Automated xeno-free chondrogenic differentiation from human embryonic stem cells: Enhancing efficiency and ensuring high-quality mass production2024

    • Author(s)
      Chen JunLong、Kataoka Oki、Tsuchiya Kazeto、Oishi Yoshie、Takao Ayumi、Huang Yen-Chih、Komura Hiroko、Akiyama Saeko、Itou Ren、Inui Masafumi、Enosawa Shin、Akutsu Hidenori、Komura Makoto、Fuchimoto Yasushi、Umezawa Akihiro
    • Journal Title

      Regenerative Therapy

      Volume: 26 Pages: 889-900

    • DOI

      10.1016/j.reth.2024.09.007

    • Related Report
      2024 Annual Research Report
    • Peer Reviewed / Open Access
  • [Journal Article] Scleraxis-lineage cells are required for correct muscle patterning.2023

    • Author(s)
      Yudai Ono , Saundra Schlesinger , Kanako Fukunaga , Shinsei Yambe , Tempei Sato , Takako Sasaki , Chisa Shukunami , Hiroshi Asahara , Masafumi Inui
    • Journal Title

      Development

      Volume: 150 Issue: 10 Pages: 1-12

    • DOI

      10.1242/dev.201101

    • Related Report
      2023 Annual Research Report
    • Peer Reviewed / Open Access / Int'l Joint Research
  • [Journal Article] Digoxigenin‐labeled <scp>RNA</scp> probes for untranslated regions enable the isoform‐specific gene expression analysis of myosin heavy chains in whole‐mount in situ hybridization2022

    • Author(s)
      Tanji Masafumi、Wada Keitaro、Sakamoto Keita、Ono Yudai、Inui Masafumi
    • Journal Title

      Development, Growth &amp; Differentiation

      Volume: 65 Issue: 1 Pages: 48-55

    • DOI

      10.1111/dgd.12832

    • Related Report
      2022 Annual Research Report
    • Peer Reviewed
  • [Presentation] The role of Scleraxis lineage cells in skeletal muscle morphogenesis2024

    • Author(s)
      Yudai Ono, Saundra Schlesinger, Yutaro Kawa, Keitaro Wada, Kanako Fukunaga, Shinsei Yambe, Yuki Yamasaki, Yuta Tsuchiya, Ramu Sagasaki, Koichi Saeki, Tempei Sato, Hiroshi Haeno, Chisa Shukunami, Hiroshi Asahara, Masafumi Inui
    • Organizer
      EMBO Workshop on Skeletal Muscle Development, Metabolism, and Repair during Homeostasis and Disease
    • Related Report
      2024 Annual Research Report
    • Int'l Joint Research
  • [Presentation] シングル核RNAseq解析によるマウス胚骨格筋細胞系譜の解析2024

    • Author(s)
      加和優多郎、乾雅史
    • Organizer
      第10回日本筋学会学術集会
    • Related Report
      2024 Annual Research Report
  • [Presentation] 軟骨におけるlncRNA BC006965の発現・機能解析2024

    • Author(s)
      大内 直斗、鈴木 彩愛、乾 雅史
    • Organizer
      第47回日本分子生物学会年会
    • Related Report
      2024 Annual Research Report
  • [Presentation] Light-sheet顕微鏡による筋腱接合形成過程の観察2024

    • Author(s)
      相崎 来夢、乾 雅史
    • Organizer
      第47回日本分子生物学会年会
    • Related Report
      2024 Annual Research Report
  • [Presentation] マウス筋腱相互作用と形態形成2023

    • Author(s)
      乾雅史
    • Organizer
      第9回日本筋学会学術集会
    • Related Report
      2023 Annual Research Report
    • Invited
  • [Presentation] ScxCre-L;Lmx1b flox/floxマウスの骨格筋形態の解析2023

    • Author(s)
      和田啓太郎、乾雅史
    • Organizer
      第9回日本筋学会学術集会
    • Related Report
      2023 Annual Research Report
  • [Presentation] Scleraxis-lineage cells are required for correct muscle patterning2023

    • Author(s)
      Yudai Ono, Saundra Schlesinger, Kanako Fukunaga, Shinsei Yambe, Tempei Sato, Takako Sasaki, Chisa Shukunami, Hiroshi Asahara, Masafumi Inui
    • Organizer
      第56回日本発生生物学会
    • Related Report
      2023 Annual Research Report
  • [Presentation] 腱組織の再構築から機能評価と応用に向けて2023

    • Author(s)
      宮本義孝、宮戸健二、寺本直純、田山千春、中林一彦、梅澤明弘、乾雅史
    • Organizer
      第22回日本再生医療学会総会
    • Related Report
      2022 Annual Research Report
  • [Presentation] 腱・間葉細胞との相互作用による骨格筋パターニング2022

    • Author(s)
      乾雅史
    • Organizer
      第8回日本筋学会学術集会
    • Related Report
      2022 Annual Research Report
    • Invited
  • [Presentation] PYモチーフを欠損したSmad2の骨格筋への影響の解析2022

    • Author(s)
      坂本渓太、乾雅史
    • Organizer
      第45回日本分子生物学会年会
    • Related Report
      2022 Annual Research Report

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Published: 2022-04-19   Modified: 2026-01-16  

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