• Search Research Projects
  • Search Researchers
  • How to Use
  1. Back to previous page

Development of measuring system for gut microbiota-derived metabolites and the clinical application

Research Project

Project/Area Number 19K11741
Research Category

Grant-in-Aid for Scientific Research (C)

Allocation TypeMulti-year Fund
Section一般
Review Section Basic Section 59040:Nutrition science and health science-related
Research InstitutionShimane University

Principal Investigator

Yano Shozo  島根大学, 学術研究院医学・看護学系, 准教授 (80403450)

Co-Investigator(Kenkyū-buntansha) 磯村 実  島根大学, 学術研究院人間科学系, 教授 (40272497)
長井 篤  島根大学, 学術研究院医学・看護学系, 教授 (40273940)
山崎 雅之  島根大学, 学術研究院人間科学系, 准教授 (60379683)
Project Period (FY) 2019-04-01 – 2023-03-31
Project Status Completed (Fiscal Year 2022)
Budget Amount *help
¥2,990,000 (Direct Cost: ¥2,300,000、Indirect Cost: ¥690,000)
Fiscal Year 2021: ¥910,000 (Direct Cost: ¥700,000、Indirect Cost: ¥210,000)
Fiscal Year 2020: ¥1,040,000 (Direct Cost: ¥800,000、Indirect Cost: ¥240,000)
Fiscal Year 2019: ¥1,040,000 (Direct Cost: ¥800,000、Indirect Cost: ¥240,000)
Keywordsコリン代謝物 / 動脈硬化 / バイオマーカー / コホート研究 / コリン代謝産物 / TMAO / Carnitine / 心血管リスク
Outline of Research at the Start

腸内細菌由来のコリン代謝産物は、心血管疾患を含む多くの病態と関連していることが明らかになりつつあるが、多くの代謝物の中で日本人で重要な物質は何か、それが疾患予知因子となりえるかについては明らかでない。本研究では、(1)複数分子の同時測定系の確立、(2)地域住民を対象にしたコホート検体の測定、(3)測定値と心血管疾患ならびに動脈硬化指標との関連について解析を行い、複数の分子を選択し重みづけによる疾患尺度を創出する。日本人によるエビデンスを構築することにより、わが国における個人の疾患リスクや予後予測、ハイリスク者の特定などが可能になると期待される。

Outline of Final Research Achievements

We developed the LC/MS/MS system to measure choline metabolites including Trimethylamine-N-oxide(TMAO)at one time. In the analysis of blood samples from the health check in Shimane prefecture, plasma TMAO levels are associated with fish consumption. Carotid intima-media thickness showed an inverted association with trimethyllysin and no association with TMAO. The sex difference was found in further analysis. Choline metabolites are not indices for atherosclerosis in Japanese men, while high levels of L-Carnitine can be an indicator of atherosclerosis in Japanese women. Taken together, Japanese people, who consume lots of fish, showed a different result from the Western people, and plasma TMAO levels are not associated with cardiovascular disorders.

Academic Significance and Societal Importance of the Research Achievements

本研究は、コリン代謝物を中心とした腸内細菌由来代謝物について、動脈硬化に対するリスク因子として、どの分子がどの程度日本人で有用かを評価した。人種差または食物の違いがこれら候補分子の血中濃度や動脈硬化リスクに影響する可能性を指摘したことは学術的意義が高い。魚介摂取の多いノルウェイの研究でも、私共の結果と同様に、コリン代謝物が心血管病リスクにならないことを示している。魚介類はEPA, DHAなどのω-3系多価不飽和脂肪酸を豊富に含み、心血管疾患や認知症の予防に有効とされる。低下傾向にあるわが国の魚介類摂取を推進する上で、社会的意義を見出すことができよう。

Report

(5 results)
  • 2022 Annual Research Report   Final Research Report ( PDF )
  • 2021 Research-status Report
  • 2020 Research-status Report
  • 2019 Research-status Report
  • Research Products

    (13 results)

All 2023 2022 2021 2020 2019

All Journal Article (4 results) (of which Peer Reviewed: 4 results,  Open Access: 2 results) Presentation (9 results) (of which Int'l Joint Research: 2 results)

  • [Journal Article] Neither Trimethylamine-N-Oxide nor Trimethyllysine Is Associated with Atherosclerosis: A Cross-Sectional Study in Older Japanese Adults2023

    • Author(s)
      Bhuiya Jubo、Notsu Yoshitomo、Kobayashi Hironori、Shibly Abu Zaffar、Sheikh Abdullah Md.、Okazaki Ryota、Yamaguchi Kazuto、Nagai Atsushi、Nabika Toru、Abe Takafumi、Yamasaki Masayuki、Isomura Minoru、Yano Shozo
    • Journal Title

      Nutrients

      Volume: 15 Issue: 3 Pages: 759-759

    • DOI

      10.3390/nu15030759

    • Related Report
      2022 Annual Research Report
    • Peer Reviewed / Open Access
  • [Journal Article] Changes in masticatory performance and the new onset of diabetes mellitus in older adults: A 5-year longitudinal study.2023

    • Author(s)
      Tominaga K, Abe T, Ando Y, Hamano T, Isomura M, Nabika T, Yano S
    • Journal Title

      Diabetology International

      Volume: -

    • Related Report
      2022 Annual Research Report
    • Peer Reviewed
  • [Journal Article] Reduced masticatory performance and not using dentures are associated with hypertension in older adults with tooth loss: the Shimane CoHRE study.2022

    • Author(s)
      Abe T, Tominaga K, Ando Y, Hamano T, Yano S, Isomura M, Nabika T
    • Journal Title

      Hypertension Research

      Volume: 45 Pages: 1553-1562

    • Related Report
      2022 Annual Research Report
    • Peer Reviewed
  • [Journal Article] Does overnight duty affect vascular endothelial function?2021

    • Author(s)
      Garu A, Nitta E, Yoshida Y, Yata E, Tsunematsu A, Araki T, Nagai A, Yano S
    • Journal Title

      BMC Cardiovasc Disord.

      Volume: 21 Issue: 1 Pages: 467-467

    • DOI

      10.1186/s12872-021-02277-y

    • Related Report
      2021 Research-status Report
    • Peer Reviewed / Open Access
  • [Presentation] 一般住民におけるCarnitineとその関連代謝物の血中濃度:島根CoHRE研究.2022

    • Author(s)
      矢野彰三、野津吉友、並河 徹
    • Organizer
      第60回日本臨床化学会年次学術集会
    • Related Report
      2022 Annual Research Report
  • [Presentation] 動脈硬化とCarnitine代謝物質との関連:島根CoHRE研究.2022

    • Author(s)
      矢野彰三、岡﨑亮太、荒木 剛、長井 篤
    • Organizer
      第67回日本臨床検査医学会学術集会
    • Related Report
      2022 Annual Research Report
  • [Presentation] 腎・心血管障害進展指標とTrimethyllysineの関連性:Shimane CoHRE Study2022

    • Author(s)
      野津吉友,矢野彰三,並河 徹,長井 篤
    • Organizer
      第59回日本臨床化学会年次学術集会
    • Related Report
      2022 Annual Research Report
  • [Presentation] 一般住民におけるCarnitineとその関連代謝物の血中濃度:島根CoHRE研究2020

    • Author(s)
      矢野彰三、野津吉友、並河 徹
    • Organizer
      日本臨床化学会
    • Related Report
      2020 Research-status Report
  • [Presentation] 動脈硬化とCarnitine代謝物質との関連:島根CoHRE研究2020

    • Author(s)
      矢野彰三、岡﨑亮太、荒木 剛、長井 篤
    • Organizer
      日本臨床検査医学会
    • Related Report
      2020 Research-status Report
  • [Presentation] 一般住民におけるCarnitineとその関連代謝物の血中濃度:島根CoHRE研究2020

    • Author(s)
      矢野彰三、野津吉友、安部孝文、山崎雅之、磯村 実、並河 徹
    • Organizer
      日本臨床化学会
    • Related Report
      2019 Research-status Report
  • [Presentation] Relationship between plasma Trimethyllysine level and indices for vascular injury in Japanese; Shimane CoHRE Study2020

    • Author(s)
      SHOZO YANO, YOSHITOMO NOTSU and TORU NABIKA
    • Organizer
      88th EAS congress
    • Related Report
      2019 Research-status Report
    • Int'l Joint Research
  • [Presentation] 腎・心血管障害進展指標とTrimethyllysineの関連性:Shimane CoHRE Study2019

    • Author(s)
      野津吉友、矢野彰三、並河 徹、長井 篤
    • Organizer
      日本臨床化学会
    • Related Report
      2019 Research-status Report
  • [Presentation] Comparison of trimethyllysine and trimethylamine-N-oxide plasma levels in healthy subjects and chronic kidney disease patients: Shimane CoHRE Study2019

    • Author(s)
      YOSHITOMO NOTSU, SHOZO YANO, ATSUSHI NAGAI, TAKAFUMI ABE, and TORU NABIKA
    • Organizer
      87th EAS congress
    • Related Report
      2019 Research-status Report
    • Int'l Joint Research

URL: 

Published: 2019-04-18   Modified: 2024-01-30  

Information User Guide FAQ News Terms of Use Attribution of KAKENHI

Powered by NII kakenhi