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Finding origins of the thermal conductivity lowered locally in a cell

Research Project

Project/Area Number 22K19273
Research Category

Grant-in-Aid for Challenging Research (Exploratory)

Allocation TypeMulti-year Fund
Review Section Medium-sized Section 43:Biology at molecular to cellular levels, and related fields
Research InstitutionOsaka University

Principal Investigator

Suzuki Madoka  大阪大学, 蛋白質研究所, 准教授 (40350475)

Co-Investigator(Kenkyū-buntansha) 宮崎 牧人  国立研究開発法人理化学研究所, 生命機能科学研究センター, チームリーダー (40609236)
Project Period (FY) 2022-06-30 – 2024-03-31
Project Status Completed (Fiscal Year 2023)
Budget Amount *help
¥6,500,000 (Direct Cost: ¥5,000,000、Indirect Cost: ¥1,500,000)
Fiscal Year 2023: ¥3,120,000 (Direct Cost: ¥2,400,000、Indirect Cost: ¥720,000)
Fiscal Year 2022: ¥3,380,000 (Direct Cost: ¥2,600,000、Indirect Cost: ¥780,000)
Keywords構成的手法 / 細胞内熱物性 / 熱産生 / 光熱変換 / MDシミュレーション
Outline of Research at the Start

研究代表者らは最近に、局所的な熱伝導率を計測できる新しい手法を開発することで、細胞内の熱伝導率を計測することに成功した。しかし、未知である細胞内熱物性のごく一部が明らかとされたに過ぎない。本研究において、細胞内で熱伝導率を計測するのと同時にその局所環境を同定することと、細胞を構成する因子の一つ一つが熱伝導にどのように影響するのかを確かめることに、挑戦する。

Outline of Final Research Achievements

In this project, we focused on elucidating the mechanism of thermal regulation at the cellular level. The three issues addressed in this study were (1) experimental verification of low thermal conductivity in living cells using hybridized nanoprobes with high precision and functionality and artificial cellular systems, (2) analysis of elementary processes of chemical and mechanical energy conversion by protein molecules using molecular dynamics simulations, and (3) experimental exploration of the response of biomolecules and molecular assemblies to heat and its physiological significance, which have provided important insights into the mechanisms of heat flow regulation at the cellular level. We have obtained important insights into the mechanisms of heat flow regulation at the cellular level.

Academic Significance and Societal Importance of the Research Achievements

細胞内の生化学反応から生じる熱の放出、すなわち熱産生は、生物個体の体温恒常性の維持に必須の役割を果たしている。いっぽう生化学反応それ自体も熱流から影響を受ける。本研究から、細胞レベルで熱流がどのような影響を与え、どのように調節されているのかについて、重要な知見が得られた。これらの成果は、生命維持に果たす熱産生の役割を理解するうえで重要であると考えられる。

Report

(3 results)
  • 2023 Annual Research Report   Final Research Report ( PDF )
  • 2022 Research-status Report
  • Research Products

    (27 results)

All 2024 2023 2022 Other

All Int'l Joint Research (2 results) Journal Article (4 results) (of which Peer Reviewed: 3 results,  Open Access: 3 results) Presentation (20 results) (of which Int'l Joint Research: 10 results,  Invited: 10 results) Remarks (1 results)

  • [Int'l Joint Research] クイーンズランド大学(オーストラリア)

    • Related Report
      2023 Annual Research Report
  • [Int'l Joint Research] リューベック大学(ドイツ)

    • Related Report
      2022 Research-status Report
  • [Journal Article] Myosin and tropomyosin-troponin complementarily regulate thermal activation of muscles2023

    • Author(s)
      Shuya Ishii, Kotaro Oyama, Fuyu Kobirumaki-Shimozawa, Tomohiro Nakanishi, Naoya Nakahara, Madoka Suzuki, Shin’ichi Ishiwata, Norio Fukuda
    • Journal Title

      Journal of General Physiology

      Volume: 155 Issue: 12

    • DOI

      10.1085/jgp.202313414

    • Related Report
      2023 Annual Research Report
    • Peer Reviewed / Open Access
  • [Journal Article] Trans-scale thermal signaling in biological systems2023

    • Author(s)
      Suzuki Madoka、Liu Chujie、Oyama Kotaro、Yamazawa Toshiko
    • Journal Title

      The Journal of Biochemistry

      Volume: 174 Issue: 3 Pages: 217-225

    • DOI

      10.1093/jb/mvad053

    • Related Report
      2023 Annual Research Report
    • Peer Reviewed / Open Access
  • [Journal Article] 新たな蛍光ナノ温度計との出会いと成長2023

    • Author(s)
      鈴木 団
    • Journal Title

      生産と技術

      Volume: 76 Pages: 76-79

    • Related Report
      2023 Annual Research Report
  • [Journal Article] Simulation toolkits at the molecular scale for trans-scale thermal signaling2023

    • Author(s)
      Kurisaki Ikuo, Suzuki Madoka
    • Journal Title

      Computational and Structural Biotechnology Journal

      Volume: 21 Pages: 2547-2557

    • DOI

      10.1016/j.csbj.2023.03.040

    • Related Report
      2022 Research-status Report
    • Peer Reviewed / Open Access
  • [Presentation] カルシウムイオンによらない熱による筋収縮の活性化2024

    • Author(s)
      鈴木 団
    • Organizer
      定量生物学の会第11回年会
    • Related Report
      2023 Annual Research Report
  • [Presentation] 局所加熱法があらわにする細胞内温度センサーとしての酵素活性とその操作2024

    • Author(s)
      鈴木 団
    • Organizer
      電気化学会第91大会
    • Related Report
      2023 Annual Research Report
    • Invited
  • [Presentation] 筋肉の熱産生・熱暴走と筋サルコメアの温度依存的な活性化2024

    • Author(s)
      鈴木 団
    • Organizer
      情報物理学と定量生物学の融合とその展開
    • Related Report
      2023 Annual Research Report
  • [Presentation] ミオシンと制御タンパク質は骨格筋と心筋において加温による活性化を相補的に制御する2024

    • Author(s)
      Ishii, S., Oyama, K., Kobirumaki-Shimozawa, F., Nakanishi, T., Nakahara, N., Suzuki, M., Ishiwata, S., Fukuda, N.
    • Organizer
      第101回日本生理学会年会
    • Related Report
      2023 Annual Research Report
    • Int'l Joint Research
  • [Presentation] 熱で活性化し熱産生もする筋収縮の顕微理解2024

    • Author(s)
      鈴木 団
    • Organizer
      第101回日本生理学会年会
    • Related Report
      2023 Annual Research Report
    • Int'l Joint Research / Invited
  • [Presentation] 光学的局所加熱・温度計測を用いた熱シグナリング解析2023

    • Author(s)
      鈴木 団
    • Organizer
      量子生命科学先端フォーラム 2023夏の研究会
    • Related Report
      2023 Annual Research Report
  • [Presentation] 筋肉でCa2+と収縮を巻き込む熱シグナリング2023

    • Author(s)
      鈴木 団
    • Organizer
      生理研研究会「細胞システム理解のためのシグナル応答原理解明の最前線」
    • Related Report
      2023 Annual Research Report
  • [Presentation] 階層をまたぐ熱シグナリングの顕微解析2023

    • Author(s)
      鈴木 団
    • Organizer
      日本体力医学会特別大会-2023東京シンポジウム-
    • Related Report
      2023 Annual Research Report
    • Int'l Joint Research / Invited
  • [Presentation] Mechanical work generation at the early stage of ATP hydrolysis by myosin2023

    • Author(s)
      Ikuo Kurisaki, Madoka Suzuki
    • Organizer
      第61回日本生物物理学会年会(招待講演)
    • Related Report
      2023 Annual Research Report
    • Int'l Joint Research / Invited
  • [Presentation] Complementarily regulated thermal activation of cardiac and skeletal muscles revealed by optical nanothermometry and heating microscopy.2023

    • Author(s)
      Suzuki, M.
    • Organizer
      16th International Symposium on Nanomedicine (ISNM2023)
    • Related Report
      2023 Annual Research Report
    • Int'l Joint Research / Invited
  • [Presentation] 骨格筋と心筋のタンパク質複合体システムとしての温度応答の妙2023

    • Author(s)
      鈴木 団
    • Organizer
      第46回日本分子生物学会年会
    • Related Report
      2023 Annual Research Report
    • Invited
  • [Presentation] Studies on muscle cells heating up.2023

    • Author(s)
      Suzuki, M.
    • Organizer
      The 100th Anniversary Annual Meeting of the Physiological Society of Japan
    • Related Report
      2022 Research-status Report
    • Int'l Joint Research / Invited
  • [Presentation] 熱伝導率の低い細胞内で繰り返し形成される局所的な高温場2022

    • Author(s)
      鈴木団
    • Organizer
      量子生命科学会第4回大会
    • Related Report
      2022 Research-status Report
  • [Presentation] 高分散化表面修飾ナノダイヤモンドの細胞移行と細胞内標的部位への局在化の試み2022

    • Author(s)
      大喜多弘隆,外間進悟,中馬俊祐,鈴木団,原田慶恵
    • Organizer
      量子生命科学会第4回大会
    • Related Report
      2022 Research-status Report
  • [Presentation] 局所熱パルス法で見いだされた1型リアノジン受容体変異体の高熱感受性2022

    • Author(s)
      鈴木団
    • Organizer
      2022年度生理研研究会「細胞システム理解のためのシグナル応答原理解明の最前線」
    • Related Report
      2022 Research-status Report
  • [Presentation] Research on the development of localized highly dispersed surface modified nanodiamond and their cellular uptake2022

    • Author(s)
      Hirotaka Okita, Singo Sotoma, Shunsuke Chuma, Madoka Suzuki, Yoshie Harada
    • Organizer
      The 60th Annual Meeting of the Biophysical Society of Japan
    • Related Report
      2022 Research-status Report
    • Int'l Joint Research
  • [Presentation] Thermal runaway in muscles studied using a local heat pulse method.2022

    • Author(s)
      Suzuki, M.
    • Organizer
      The 60th Annual Meeting of the Biophysical Society of Japan
    • Related Report
      2022 Research-status Report
    • Int'l Joint Research / Invited
  • [Presentation] 骨格筋と飛翔筋の震えない熱産生と暴走2022

    • Author(s)
      鈴木団
    • Organizer
      第11回分子モーター討論会
    • Related Report
      2022 Research-status Report
    • Invited
  • [Presentation] Time-resolved 2D-temperature monitoring on RPE explants during laser irradiation by means of a fluorescent dye.2022

    • Author(s)
      R. Brinkmann, X. Zhang, L.-M. Fruehauf, L. Hoffmann, E. Seifert, M. Mordmueller, D. Theisen-Kunde, M. Suzuki, Y. Miura
    • Organizer
      ARVO 2022 Annual Meeting
    • Related Report
      2022 Research-status Report
    • Int'l Joint Research
  • [Presentation] Heat-sensitive mutants of Ca2+ release channel RyR1 identified by nanothermometry and opto-thermal technology.2022

    • Author(s)
      Suzuki, M.
    • Organizer
      15th International Symposium on Nanomedicine (ISNM2022) joint with 11th Taiwan-Japan-Korea Nanomedicine Meeting
    • Related Report
      2022 Research-status Report
    • Int'l Joint Research / Invited
  • [Remarks] 骨格筋はわずかな温度の変化を敏感に感じてパフォーマンスを向上させる!

    • URL

      https://resou.osaka-u.ac.jp/ja/research/2023/20231024_2

    • Related Report
      2023 Annual Research Report

URL: 

Published: 2022-07-05   Modified: 2025-01-30  

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