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The actions of BCAA intermediates as myokines on hepatic metabolism

Research Project

Project/Area Number 15K09026
Research Category

Grant-in-Aid for Scientific Research (C)

Allocation TypeMulti-year Fund
Section一般
Research Field Gastroenterology
Research InstitutionTokyo Medical University

Principal Investigator

Matsuzaki Yasushi  東京医科大学, 医学部, 教授 (50209532)

Co-Investigator(Kenkyū-buntansha) 本多 彰  東京医科大学, 医学部, 教授 (10468639)
池上 正  東京医科大学, 医学部, 教授 (40439740)
宮崎 照雄  東京医科大学, 医学部, 講師 (60532687)
Project Period (FY) 2015-04-01 – 2018-03-31
Project Status Completed (Fiscal Year 2017)
Budget Amount *help
¥4,030,000 (Direct Cost: ¥3,100,000、Indirect Cost: ¥930,000)
Fiscal Year 2017: ¥1,560,000 (Direct Cost: ¥1,200,000、Indirect Cost: ¥360,000)
Fiscal Year 2016: ¥1,560,000 (Direct Cost: ¥1,200,000、Indirect Cost: ¥360,000)
Fiscal Year 2015: ¥910,000 (Direct Cost: ¥700,000、Indirect Cost: ¥210,000)
Keywords慢性肝疾患 / マイオカイン / 分岐鎖アミノ酸
Outline of Final Research Achievements

Skeletal muscles secrete myokines that have physiological actions in response to muscle contractions, and some intermediates of branched-chain amino acids (BCAAs) during energy production. This study evaluated the physiological actions of the BCAA-intermediates as myokines on the hepatic metabolism in cultured hepatocytes and rat hepatic tissue. Leucine-intermediate 3-hydroxy-3-methylbutyrate and valine 3-hydroxyisobutyrate had the increase of reduced albumin synthesis ability and the inhibition of ketone body production, respectively, although the effect of valine intermediate 3-aminoisobutyrate on the hepatic lipid catabolism had not been confirmed.

Report

(4 results)
  • 2017 Annual Research Report   Final Research Report ( PDF )
  • 2016 Research-status Report
  • 2015 Research-status Report
  • Research Products

    (12 results)

All 2017 2016 2015

All Journal Article (1 results) Presentation (11 results) (of which Int'l Joint Research: 5 results,  Invited: 1 results)

  • [Journal Article] The regulation of BCAA catabolism for preference of energy expenditure in the skeletal muscle2017

    • Author(s)
      Teruo Miyazaki
    • Journal Title

      Advances in Exercise & Sports Physiology

      Volume: 23 Pages: 19-24

    • Related Report
      2017 Annual Research Report
  • [Presentation] Comparison of the influence of pre-exercise BCAA supplementation on serum HMB level between endurance and resistance exercises2017

    • Author(s)
      Miyazaki T, Ra SG, Ishikura K, Ohmori H, Ikegami T, Matsuzaki Y, Honda A
    • Organizer
      Experimental Biology 2017
    • Related Report
      2017 Annual Research Report
    • Int'l Joint Research
  • [Presentation] 唾液マーカーを用いた非侵襲的な肝硬変患者の肝筋栄養代謝評価の試み2017

    • Author(s)
      宮﨑照雄
    • Organizer
      第10回IBARAKI LIVER FORUM 2017
    • Related Report
      2017 Annual Research Report
    • Invited
  • [Presentation] TGR5を介した細胞内甲状腺ホルモン活性化による骨格筋分岐鎖アミノ酸異化の制御2017

    • Author(s)
      宮﨑照雄,池上正,松﨑靖司,本多彰
    • Organizer
      第72回日本体力医学会大会
    • Related Report
      2017 Annual Research Report
  • [Presentation] 運動による分岐鎖アミノ酸(BCAA)の代謝2017

    • Author(s)
      宮﨑照雄,本多彰,池上正,松﨑靖司
    • Organizer
      第9回三大学交流セミナー
    • Place of Presentation
      茨城県阿見町
    • Related Report
      2016 Research-status Report
  • [Presentation] 分岐鎖アミノ酸(BCAA)摂取後の運動による血中β-hydroxy-β-methylbutyrate(3HMB)濃度の上昇2016

    • Author(s)
      宮﨑照雄,羅成圭,石倉恵介,宮川俊平,松﨑靖司,本多彰,大森肇
    • Organizer
      第71回日本体力医学会大会
    • Place of Presentation
      盛岡市
    • Year and Date
      2016-09-23
    • Related Report
      2016 Research-status Report
  • [Presentation] 持久性運動時の脂質,アミノ酸代謝の筋肝連関2016

    • Author(s)
      宮﨑照雄
    • Organizer
      日本体育学会第67回大会
    • Place of Presentation
      大阪府熊取町
    • Year and Date
      2016-08-24
    • Related Report
      2016 Research-status Report
  • [Presentation] TGR5 activation inhibits muscular BCAA catabolism via thyroid hormone activation2016

    • Author(s)
      Teruo Miyazaki, Akira Honda, Tadashi Ikegami, Yasushi Matsuzaki
    • Organizer
      XXIV International Bile Acid Meeting: Bile Acids in Health and Disease
    • Place of Presentation
      Düsseldorf, Germany
    • Year and Date
      2016-06-17
    • Related Report
      2015 Research-status Report
    • Int'l Joint Research
  • [Presentation] The role of N-acetyltaurine on the normalization of energy metabolism balance in the skeletal muscle after endurance exercise2016

    • Author(s)
      Teruo Miyazaki, Yuho Nakamura, Kei Ebina, Takaki Mizushima, Song-Gyu Ra, Keisuke Ishikura, Yasushi Matsuzaki, Hajime Ohmori, Akira Honda.
    • Organizer
      20th international taurine meeting
    • Place of Presentation
      Seoul, Korea
    • Year and Date
      2016-05-23
    • Related Report
      2016 Research-status Report
    • Int'l Joint Research
  • [Presentation] Serum 3-hydroxyisobutyrate as a biomarker of muscular BCAA catabolism in liver cirrhosis patients2016

    • Author(s)
      Teruo Miyazaki, Akira Honda, Tadashi Ikegami, Yasushi Matsuzaki
    • Organizer
      the 25th Asian Pacific Association for the Study of the Liver (APASL 2016)
    • Place of Presentation
      Shinagawa, Tokyo, Japan
    • Year and Date
      2016-02-20
    • Related Report
      2015 Research-status Report
    • Int'l Joint Research
  • [Presentation] 骨格筋BCAA異化状態を反映するバリン中間代謝物3-ハイドロキシイソ酪酸の評価2015

    • Author(s)
      宮﨑照雄,本多彰,池上正,松﨑靖司
    • Organizer
      第70回日本体力医学会大会
    • Place of Presentation
      和歌山市
    • Year and Date
      2015-09-18
    • Related Report
      2015 Research-status Report
  • [Presentation] Serum concentrations of 3-hydroxyisobutyrate and 3-hydroxy-3-methylbutyrate as BCAA metabolites in endurance exercise2015

    • Author(s)
      Teruo Miyazaki, Keisuke Ishikura, Akira Honda, Song-Gyu Ra, Hajime Ohmori, Yasushi Matsuzaki
    • Organizer
      14th International Congress on Amino Acids, Peptides and Protein
    • Place of Presentation
      Vienna, Austria
    • Year and Date
      2015-08-03
    • Related Report
      2015 Research-status Report
    • Int'l Joint Research

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Published: 2015-04-16   Modified: 2019-03-29  

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