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in vitro Muscle-Nerve Interface for Precise Control of Skeletal Muscle Actuators

Research Project

Project/Area Number 21K18704
Research Category

Grant-in-Aid for Challenging Research (Exploratory)

Allocation TypeMulti-year Fund
Review Section Medium-sized Section 20:Mechanical dynamics, robotics, and related fields
Research InstitutionNagoya University (2022)
Meijo University (2021)

Principal Investigator

Fukuda Toshio  名古屋大学, 未来社会創造機構, 客員教授 (70156785)

Co-Investigator(Kenkyū-buntansha) 竹内 大  名古屋大学, 工学研究科, 助教 (20713374)
Project Period (FY) 2021-07-09 – 2023-03-31
Project Status Completed (Fiscal Year 2022)
Budget Amount *help
¥6,500,000 (Direct Cost: ¥5,000,000、Indirect Cost: ¥1,500,000)
Fiscal Year 2022: ¥3,120,000 (Direct Cost: ¥2,400,000、Indirect Cost: ¥720,000)
Fiscal Year 2021: ¥3,380,000 (Direct Cost: ¥2,600,000、Indirect Cost: ¥780,000)
Keywords筋組織 / アクチュエータ / 駆動制御 / マイクロロボット / 骨格筋培養 / 機能的電気刺激 / 神経-筋結合部
Outline of Research at the Start

本研究では、申請者らが有するマイクロ・ナノメカトロニクス技術を用いて、生体外にて骨格筋と神経細胞との接合部を複数箇所作製し、神経-筋接合システムを創製することで、生体と同様の筋収縮制御システムを生体外にて構築し、アクチュエータとしての応用を目指す。生体内で行われている運動単位毎の神経刺激、筋収縮を生体外にて作製した培養筋に対して行い、その駆動を制御可能にすることで、生体と同等の筋力、持続力を有する骨格筋アクチュエータを生体外にて実現する基盤を構築すると共に、微細加工技術を用いた神経-筋接合部の生体外での構築方法について新たな知見を得ることを目指す。

Outline of Final Research Achievements

This research aims to construct an actuator using skeletal muscle tissue in vitro, using the micro-nanomechatronics technology that we have developed to construct cellular tissue in vitro. We especially focused on the improvement of the muscle tissue contraction, and the connection between the muscle tissue and an artificial material. As a result, the high-density skeletal muscle tissue was constructed by cell compression technology using centrifugal force. The contraction of fabricated muscle tissue increased by the increase of cell density. In addition, the connection of muscle tissue with the artificial material became stiff and strong by using the self-contracting force of the skeletal muscle itself.

Academic Significance and Societal Importance of the Research Achievements

本研究では、生体外での筋組織アクチュエータの構築について研究を行なった。筋組織は柔軟性、伸縮性、エネルギー効率の高さなど従来のアクチュエータに対して利点を有しており、新たなアクチュエータとして注目を集めている。一方で、生体外においては生体内のような大きな駆動量が得られておらず、実用化に向けて大きな課題が残っている。本研究における成果は筋組織アクチュエータの駆動量向上手法を提案しておりその手法も簡便であることから、今後の筋組織アクチュエータの実用化に向けた大きな意義を有すると考えられる。

Report

(3 results)
  • 2022 Annual Research Report   Final Research Report ( PDF )
  • 2021 Research-status Report
  • Research Products

    (7 results)

All 2022 2021

All Journal Article (1 results) (of which Int'l Joint Research: 1 results,  Peer Reviewed: 1 results,  Open Access: 1 results) Presentation (6 results) (of which Int'l Joint Research: 4 results)

  • [Journal Article] Development of High-Cell-Density Tissue Method for Compressed Modular Bioactuator2022

    • Author(s)
      Takuto Nomura, Masaru Takeuchi, Eunhye Kim, Qiang Huang, Yasuhisa Hasegawa, Toshio Fukuda
    • Journal Title

      Micromachines

      Volume: 13 Issue: 10 Pages: 1725-1725

    • DOI

      10.3390/mi13101725

    • Related Report
      2022 Annual Research Report
    • Peer Reviewed / Open Access / Int'l Joint Research
  • [Presentation] A Hybrid Tendon Structure Using Cell Density Gradient in Cultured Muscle2022

    • Author(s)
      Takuto Nomura, Masaru Takeuchi, Eunhye Kim, Toshio Fukuda, Yasuhisa Hasegawa
    • Organizer
      2022 International Symposium on Micro-NanoMechatronics and Human Science (MHS)
    • Related Report
      2022 Annual Research Report
    • Int'l Joint Research
  • [Presentation] Fabrication of PEDOT:PSS based Soft Sensor for Feedback Control of Modular Bio-actuator2022

    • Author(s)
      Eunhye Kim, Masaru Takeuchi, Takuto Nomura, Yasuhisa Hasegawa, Qiang Huang, Toshio Fukuda
    • Organizer
      2022 IEEE International Conference on Robotics and Automation (ICRA)
    • Related Report
      2022 Annual Research Report
    • Int'l Joint Research
  • [Presentation] 培養筋肉における細胞密度勾配による腱組織 再現手法の研究2022

    • Author(s)
      野村 匠永, 竹内 大, Eunhye Kim, 福田 敏男, 長谷川 泰久
    • Organizer
      第40回日本ロボット学会学術講演会
    • Related Report
      2022 Annual Research Report
  • [Presentation] Development of Cultured Muscles with High Cell Density by Centrifugal Force in Three-dimensional Cell Culture2021

    • Author(s)
      Takuto Nomura, Masaru Takeuchi, Eunhye Kim, Toshio Fukuda, Yasuhisa Hasegawa
    • Organizer
      32nd 2021 International Symposium on Micro-NanoMechatronics and Human Science (MHS)
    • Related Report
      2021 Research-status Report
    • Int'l Joint Research
  • [Presentation] 立体培養における遠心力による高細胞密度培養筋の作製2021

    • Author(s)
      野村匠永,竹内大,金恩恵,福田敏男,長谷川泰久
    • Organizer
      第39 回日本ロボット学会学術講演会
    • Related Report
      2021 Research-status Report
  • [Presentation] Development of Multiple Connectable Bio-Actuator by Tendon Structures2021

    • Author(s)
      Takuto Nomura, Masaru Takeuchi, Eunhye Kim, Toshio Fukuda, Yasuhisa Hasegawa
    • Organizer
      2021 IEEE Workshop on Advanced Robotics and its Social Impact (ARSO)
    • Related Report
      2021 Research-status Report
    • Int'l Joint Research

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Published: 2021-07-13   Modified: 2024-01-30  

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