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Effects of hypoxia on the intracellular lipid oxidation during prolonged exercise

Research Project

Project/Area Number 23800075
Research Category

Grant-in-Aid for Research Activity Start-up

Allocation TypeSingle-year Grants
Research Field Sports science
Research InstitutionNational Agency for the Advancement of Sports and Health

Principal Investigator

OSAWA Takuya  独立行政法人日本スポーツ振興センター国立スポーツ科学センター, スポーツ科学研究部, 契約研究員 (70613496)

Research Collaborator ARIMITSU Takuma  独立行政法人日本スポーツ振興センター国立スポーツ科学センター, スポーツ科学研究部, 契約研究員 (00616021)
TAKAHASHI Hideyuki  独立行政法人日本スポーツ振興センター国立スポーツ科学センター, スポーツ科学研究部, 副主任研究員 (00292540)
Project Period (FY) 2011 – 2012
Project Status Completed (Fiscal Year 2012)
Budget Amount *help
¥3,510,000 (Direct Cost: ¥2,700,000、Indirect Cost: ¥810,000)
Fiscal Year 2012: ¥1,690,000 (Direct Cost: ¥1,300,000、Indirect Cost: ¥390,000)
Fiscal Year 2011: ¥1,820,000 (Direct Cost: ¥1,400,000、Indirect Cost: ¥420,000)
Keywords低酸素 / プロトン核磁気共鳴分光法 / 筋細胞内脂肪 / 長時間運動 / 筋内脂肪 / 磁気共鳴分光法 / 近赤外分光法 / ランニング / 低酸素暴露 / 細胞内脂肪
Research Abstract

Whole-body fat oxidation was not always consistent with intramuscular fat oxidation. The aim of this study was to test whether hypoxia-decreased whole-body fat oxidation was intracellular lipid (IMCL) oxidation. Endurance runners performed 90-min running tests in normoxia and hypoxia. Compared with normoxia, hypoxia decreased not only whole-body fat oxidation, but also IMCL oxidation. These results suggest that decrease of whole-body fat oxidation in hypoxia is partly attributed to that of IMCL oxidation.

Report

(3 results)
  • 2012 Annual Research Report   Final Research Report ( PDF )
  • 2011 Annual Research Report
  • Research Products

    (10 results)

All 2013 2012 2011

All Journal Article (5 results) (of which Peer Reviewed: 2 results) Presentation (5 results)

  • [Journal Article] 低酸素環境と筋内脂肪代謝2012

    • Author(s)
      大澤拓也
    • Journal Title

      体育の科学(杏林出版)

      Volume: 第62巻、第11号 Pages: 859-864

    • Related Report
      2012 Final Research Report
  • [Journal Article] 低酸素環境下の運動と筋内脂質代謝2012

    • Author(s)
      大澤拓也
    • Journal Title

      体育の科学

      Volume: 62 Pages: 859-864

    • Related Report
      2012 Annual Research Report
  • [Journal Article] Attenuation of muscle deoxygenation precedes EMG threshold in normoxia and hypoxia2011

    • Author(s)
      Osawa T, Kime R, Hamaoka T, Katsumura T, Yamamoto M
    • Journal Title

      Med Sci Sports Exerc

      Volume: 43 Issue: 8 Pages: 1406-13

    • DOI

      10.1249/mss.0b013e3182100261

    • Related Report
      2011 Annual Research Report
    • Peer Reviewed
  • [Journal Article] 低酸素曝露による換気性作業閾値の低下は活動筋の脱酸素化レベルと関係している2011

    • Author(s)
      大澤拓也, 山本正嘉
    • Journal Title

      登山医学

      Volume: 31 Pages: 121-126

    • Related Report
      2011 Annual Research Report
    • Peer Reviewed
  • [Journal Article] 外側広筋の脱酸素化が高強度運動時に停滞する機序についての検討2011

    • Author(s)
      大澤拓也, 木目良太郎, 浜岡隆文, 山本正嘉, 勝村俊仁
    • Journal Title

      脈管学

      Volume: 52 Pages: 103-107

    • NAID

      130001922143

    • Related Report
      2011 Annual Research Report
  • [Presentation] Is hypoxia-decreased fat oxidation attributed to the intramyocellular lipid oxidation?2013

    • Author(s)
      Takuya Osawa, Takuma Arimitsu, Hideyuki Takahashi
    • Organizer
      The European College of Sport Science
    • Place of Presentation
      バルセロナ・スペイン
    • Year and Date
      2013-06-29
    • Related Report
      2012 Final Research Report
  • [Presentation] Is hypoxia-decreased fat oxidation attributed to the intramyocellular lipid oxidation?2013

    • Author(s)
      Takuya Osawa
    • Organizer
      The European College of Sport Science
    • Place of Presentation
      スペイン・バルセロナ
    • Related Report
      2012 Annual Research Report
  • [Presentation] 筋脱酸素化動態の個人差-若年男性63名を対象として-2011

    • Author(s)
      大澤拓也, 木目良太郎, 市村志朗. 藤岡正子, 高木俊, 安生幹子, 長田卓也, 村瀬訓生, 勝村俊仁
    • Organizer
      第66回日本体力医学会大会
    • Place of Presentation
      海峡メッセ下関(山口県)
    • Year and Date
      2011-09-17
    • Related Report
      2011 Annual Research Report
  • [Presentation] 低酸素曝露による最大酸素摂取量の低下は筋酸素飽和度と関係している2011

    • Author(s)
      大澤拓也, 山本正嘉
    • Organizer
      第152回日本体力医学会関東地方会
    • Place of Presentation
      国学院大学(神奈川県)
    • Year and Date
      2011-07-16
    • Related Report
      2011 Annual Research Report
  • [Presentation] 低酸素曝露によるAT強度の低下は活動筋の脱酸素化レベルと関係している2011

    • Author(s)
      大澤拓也, 山本正嘉
    • Organizer
      第31回日本登山医学会学術集会
    • Place of Presentation
      国立オリンピック記念青少年総合センター(東京都)
    • Year and Date
      2011-06-11
    • Related Report
      2011 Annual Research Report

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Published: 2011-09-05   Modified: 2019-07-29  

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