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The effects of exercise and genes on regulation of sweat ion associated with exercise performance in hot condition

Research Project

Project/Area Number 17H02153
Research Category

Grant-in-Aid for Scientific Research (B)

Allocation TypeSingle-year Grants
Section一般
Research Field Sports science
Research InstitutionKobe University

Principal Investigator

Kondo Narihiko  神戸大学, 人間発達環境学研究科, 教授 (70215458)

Co-Investigator(Kenkyū-buntansha) 天野 達郎  新潟大学, 人文社会科学系, 准教授 (60734522)
井上 芳光  大阪国際大学, 人間科学部, 教授 (70144566)
西保 岳  筑波大学, 体育系, 教授 (90237751)
Project Period (FY) 2017-04-01 – 2021-03-31
Project Status Completed (Fiscal Year 2022)
Budget Amount *help
¥16,900,000 (Direct Cost: ¥13,000,000、Indirect Cost: ¥3,900,000)
Fiscal Year 2020: ¥2,860,000 (Direct Cost: ¥2,200,000、Indirect Cost: ¥660,000)
Fiscal Year 2019: ¥4,290,000 (Direct Cost: ¥3,300,000、Indirect Cost: ¥990,000)
Fiscal Year 2018: ¥4,030,000 (Direct Cost: ¥3,100,000、Indirect Cost: ¥930,000)
Fiscal Year 2017: ¥5,720,000 (Direct Cost: ¥4,400,000、Indirect Cost: ¥1,320,000)
Keywords汗にイオン濃度 / 汗腺でのイオン再吸収能力 / 運動 / EDAR370A / 汗イオン再吸収能力 / 運動に関わる要因 / 汗腺のイオン再吸収能 / 遺伝 / 汗イオン再吸収能 / 汗イオン濃度調節 / 汗イオン再吸収 / 運動生理学 / 環境生理学 / 発汗調節 / 発汗能力 / 汗腺 / 汗イオン / 生理学 / 人間生活環境
Outline of Final Research Achievements

We investigated the effects of exercise and genes that are related to the number of activated sweat grand. It is suggested that the relationship between sweat rate and galvanic skin conductance indicates ion reabsorption capacity at eccrine sweat glands. Heavy exercise induces high ion reabsorption capacity, however, it was not clear which exercise factors affect this effect. The 6°C difference in skin temperature between exercise and passive heating influences markedly the capacity. The gene of EDAR370A did not affect reabsorption capacity. These results indicate that heavy exercise intensity changes ion reabsorption capacity at eccrine sweat, but the gene does not it.

Academic Significance and Societal Importance of the Research Achievements

高温下で運動を行う場合,運動パフォーマンスの大きな低下や運動時の熱中症発症の問題があり,これを防止するためには汗イオン濃度を低下させ,汗を効率よく蒸発させることが重要となる.本研究は汗イオン濃度調節(汗腺でのイオン再吸収能力)を評価する方法を確立し,それにより運動がこれを高めることを明らかにした.汗イオン調節に及ぼす運動の影響を明らかにしたことは学術的に意義が高い.また,今回用いた方法の改善により日常生活での汗腺機能評価が汗の量と質から可能となり,夏に社会的問題になっている熱中症予防策に貢献できることが考えられる.

Report

(5 results)
  • 2022 Final Research Report ( PDF )
  • 2020 Annual Research Report
  • 2019 Annual Research Report
  • 2018 Annual Research Report
  • 2017 Annual Research Report
  • Research Products

    (10 results)

All 2019 2018 2017 Other

All Int'l Joint Research (1 results) Journal Article (2 results) (of which Int'l Joint Research: 2 results,  Peer Reviewed: 2 results,  Open Access: 1 results) Presentation (6 results) (of which Int'l Joint Research: 4 results,  Invited: 2 results) Book (1 results)

  • [Int'l Joint Research] Loughborough University(英国)

    • Related Report
      2017 Annual Research Report
  • [Journal Article] The influence of local skin temperature on the sweat glands maximum ion reabsorption rate2019

    • Author(s)
      Gerrett N, Amano T, Havenith G, Inoue Y, Kondo N
    • Journal Title

      Eur J Appl Physiol

      Volume: 119 Issue: 3 Pages: 685-695

    • DOI

      10.1007/s00421-018-04059-5

    • Related Report
      2018 Annual Research Report
    • Peer Reviewed / Int'l Joint Research
  • [Journal Article] The effects of exercise and passive heating on the sweat glands ion reabsorption rates.2018

    • Author(s)
      Gerrett N, Amano T, Inoue Y, Havenith G, Kondo N.
    • Journal Title

      Physiological Reports 6(5):e13619, 2018

      Volume: 6 Issue: 5 Pages: e13619-e13619

    • DOI

      10.14814/phy2.13619

    • NAID

      120006454534

    • Related Report
      2018 Annual Research Report
    • Peer Reviewed / Open Access / Int'l Joint Research
  • [Presentation] Eccrine sweat glands ion reabsorption in healthy older adult after heat acclimation2019

    • Author(s)
      Gerrett N, Inoue Y, Kondo N
    • Organizer
      The 2019 International Conference on Environmental Ergonomics
    • Related Report
      2019 Annual Research Report
    • Int'l Joint Research
  • [Presentation] A new device for continuously collecting sweat samples for measuring both sweat composition and volume2019

    • Author(s)
      Ohashi T, Mitsuzawa S, Gerrett N, Kondo N
    • Organizer
      The 2019 International Conference on Environmental Ergonomics
    • Related Report
      2019 Annual Research Report
    • Int'l Joint Research
  • [Presentation] 運動時における発汗調節研究のこれまでとこれから2018

    • Author(s)
      近藤徳彦
    • Organizer
      第26回日本発汗学会総会
    • Related Report
      2018 Annual Research Report
  • [Presentation] Ion reabsorption of eccrine sweat glands2018

    • Author(s)
      Nicola Gerrett, Narihiko Kondo
    • Organizer
      第26回日本発汗学会総会
    • Related Report
      2018 Annual Research Report
    • Invited
  • [Presentation] Endogenous and exogenous heating have different effects on the sweating gland ion reabsorption2017

    • Author(s)
      Gerrett N, Amano T, Havenith G, Inoue Y, Kondo N
    • Organizer
      22nd Annual Congress of the European College of Sport Science
    • Related Report
      2017 Annual Research Report
    • Int'l Joint Research
  • [Presentation] Sweat gland ion reabsorption2017

    • Author(s)
      Gerrett N, Amano T, Kondo N
    • Organizer
      The 17th International conference on Environmental Ergonomics
    • Related Report
      2017 Annual Research Report
    • Int'l Joint Research / Invited
  • [Book] やさしい生理学 改訂第7版,分担 第8章 体温2017

    • Author(s)
      彼末先生,能勢 博(分担 近藤徳彦)
    • Total Pages
      328
    • Publisher
      南江堂
    • ISBN
      9784524254170
    • Related Report
      2017 Annual Research Report

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Published: 2017-04-28   Modified: 2024-01-30  

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