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Creating "3D mini heart" for transplantation of heart failure

Research Project

Project/Area Number 20H00542
Research Category

Grant-in-Aid for Scientific Research (A)

Allocation TypeSingle-year Grants
Section一般
Review Section Medium-sized Section 55:Surgery of the organs maintaining homeostasis and related fields
Research InstitutionOsaka University

Principal Investigator

Sawa Yoshiki  大阪大学, 大学院医学系研究科, 特任教授 (00243220)

Co-Investigator(Kenkyū-buntansha) 李 俊君  大阪大学, 大学院医学系研究科, 特任助教 (10723786)
劉 莉  大阪大学, 大学院医学系研究科, 特任准教授 (50380093)
植村 寿公  大阪大学, 大学院工学研究科, 特任教授 (60176641)
Project Period (FY) 2020-04-01 – 2023-03-31
Project Status Completed (Fiscal Year 2022)
Budget Amount *help
¥44,460,000 (Direct Cost: ¥34,200,000、Indirect Cost: ¥10,260,000)
Fiscal Year 2022: ¥17,030,000 (Direct Cost: ¥13,100,000、Indirect Cost: ¥3,930,000)
Fiscal Year 2021: ¥9,620,000 (Direct Cost: ¥7,400,000、Indirect Cost: ¥2,220,000)
Fiscal Year 2020: ¥17,810,000 (Direct Cost: ¥13,700,000、Indirect Cost: ¥4,110,000)
KeywordsiPS由来心筋細胞 / 組織構築 / デバイス / ファイバー / 回転培養 / ヒトiPS由来心筋細胞 / 心筋組織 / 心筋梗塞治療 / ヒトiPS由来心筋 / iPS心筋細胞 / 重症心不全治療
Outline of Research at the Start

重症心不全の治療法として細胞移植による再生治療が期待されている。我々はこれまでにiPS細胞由来心筋シート治療法を開発し、虚血性心筋症モデル動物を用いて有効性と安全性を確立し、昨年度に臨床試験を開始した。本研究では、重症心不全患者にターゲットして、心筋シートより高い心機能改善効果が期待できる“3D Mini Heart”を生体外で創成し、移植に用いることを目的とする。足場材料を用いて、生体心臓内の微小環境を再現する多層化した 重厚な心筋組織の構築を目指し、動物心筋梗塞モデルへの移植実験及びPOC取得を行う。最終的に組織工学技術を駆使した高機能化心筋組織による次世代心不全根治法を開発する。

Outline of Final Research Achievements

Pluripotent stem cell-derived cardiac patches have been extensively used for treating myocardial infarction and have shown potential for clinical application. However, the limited thickness of the patch can hamper its therapeutic effect. We previously developed a fibrous scaffold that allowed the formation of well-organized cardiac tissue constructs. In this study, based on the above technology, we created a mini heart tissue with cardiomycyte, fibroblast and vascular endothelial cells. Under a dynamic perfusion culture system, we organized into thick and viable tissue of 1 mm thickness. The 3D mini heart tissue demonstrated enhanced contractile properties and up-regulated cytokine and ECM secretion compared to the single-layer fiber sheet control group. Notably, The 3D mini heart tissue group showed improved functional recovery and less fibrosis when used to treat the myocardial infarction model.

Academic Significance and Societal Importance of the Research Achievements

本研究課題を通して、組織工学技術を駆使した高機能化心筋組織による新規移植法の有効性が判明され、今後虚血性心不全の大動物試験、拡張型心筋症への適応性、さらに臨床試験への実現が期待できる。
また、本研究課題は複数分野の独創的技術およびアイデアにより開発したシステムであり、医工学融合の成功例でもある。今後、次世代の機能型心筋組織製品として心機能回復させる移植治療や、新たな病態解析用モデルあるいは創薬スクリーニング系として応用可能である。

Report

(5 results)
  • 2022 Annual Research Report   Final Research Report ( PDF )
  • 2021 Annual Research Report
  • 2020 Comments on the Screening Results   Annual Research Report
  • Research Products

    (7 results)

All 2023 2022 2021

All Journal Article (4 results) (of which Peer Reviewed: 2 results,  Open Access: 1 results) Presentation (2 results) Patent(Industrial Property Rights) (1 results)

  • [Journal Article] ONO-1301 Enhances Post-transplantation Survival of Human Induced Pluripotent Stem Cell-derived Cardiac Tissue Sheet by Promoting Angiogenesis2023

    • Author(s)
      Xiang Qu, Junjun Li, Li Liu, Yoshiki Sakai, Jingbo Zhang, Ying Hua, Kota Suzuki, Akima Harada, Masako Ishida, Noriko Yoshida, Daisuke Okuzaki, Yoshiki Sawa, Shigeru Miyagawa
    • Journal Title

      The Journal of Heart and Lung Transplantation

      Volume: - Issue: 6 Pages: 716-716

    • DOI

      10.1016/j.healun.2023.01.018

    • Related Report
      2022 Annual Research Report
    • Peer Reviewed
  • [Journal Article] Engineered Tissue for Cardiac Regeneration: Current Status and Future Perspectives2022

    • Author(s)
      Li Junjun、Liu Li、Zhang Jingbo、Qu Xiang、Kawamura Takuji、Miyagawa Shigeru、Sawa Yoshiki
    • Journal Title

      Bioengineering

      Volume: 9 Issue: 11 Pages: 605-605

    • DOI

      10.3390/bioengineering9110605

    • Related Report
      2022 Annual Research Report
  • [Journal Article] Development and evaluation of a novel xeno-free culture medium for human-induced pluripotent stem cells2022

    • Author(s)
      Ying Hua, Kenji Yoshimochi, Junjun Li, Kazuhiro Takekita, Motoshi Shimotsuma, Lingjun Li, Xiang Qu, Jingbo Zhang, Yoshiki Sawa, Li Liu, Shigeru Miyagawa
    • Journal Title

      Stem Cell Research & Therapy

      Volume: 13 Issue: 1 Pages: 223-223

    • DOI

      10.1186/s13287-022-02879-z

    • Related Report
      2022 Annual Research Report
  • [Journal Article] Tissue Sheet Engineered Using Human Umbilical Cord-Derived Mesenchymal Stem Cells Improves Diabetic Wound Healing2022

    • Author(s)
      Zhang Jingbo、Qu Xiang、Li Junjun、Harada Akima、Hua Ying、Yoshida Noriko、Ishida Masako、Sawa Yoshiki、Liu Li、Miyagawa Shigeru
    • Journal Title

      International Journal of Molecular Sciences

      Volume: 23 Issue: 20 Pages: 12697-12697

    • DOI

      10.3390/ijms232012697

    • Related Report
      2022 Annual Research Report
    • Peer Reviewed / Open Access
  • [Presentation] 配向性を持つ多層化心筋組織の作製2021

    • Author(s)
      依田崇典、劉莉、李俊君、笹井雅夫、植村壽公、森田健一、上村葉、小野貴弘、澤芳樹、宮川繁
    • Organizer
      日本再生医療学会
    • Related Report
      2021 Annual Research Report
  • [Presentation] ONO-1301 Enhanced Survival of Transplanted hiPSC Derived Cardiomyocytes Tissue in a Rat MI Model2021

    • Author(s)
      Xiang Qu, Jingbo Zhang, Ying Hua, Junjun Li, Kota Suzuki, Akima Harada, Yoshiki Sakai, Liu Li, Yoshiki Sawa, Shigeru Miyagawa
    • Organizer
      日本再生医療学会
    • Related Report
      2021 Annual Research Report
  • [Patent(Industrial Property Rights)] 細胞培養方法及びその装置2022

    • Inventor(s)
      劉莉 李俊君 澤芳樹 宮川繁など
    • Industrial Property Rights Holder
      劉莉 李俊君 澤芳樹 宮川繁など
    • Industrial Property Rights Type
      特許
    • Industrial Property Number
      2022-038842
    • Filing Date
      2022
    • Related Report
      2021 Annual Research Report

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Published: 2020-04-28   Modified: 2024-01-30  

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