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Nrf2 Regulates Energy Metabolism in Mice

Research Project

Project/Area Number 18K08506
Research Category

Grant-in-Aid for Scientific Research (C)

Allocation TypeMulti-year Fund
Section一般
Review Section Basic Section 54040:Metabolism and endocrinology-related
Research InstitutionKanazawa University

Principal Investigator

NAGATA NAOTO  金沢大学, 医学系, 講師 (70456408)

Project Period (FY) 2018-04-01 – 2022-03-31
Project Status Completed (Fiscal Year 2021)
Budget Amount *help
¥4,290,000 (Direct Cost: ¥3,300,000、Indirect Cost: ¥990,000)
Fiscal Year 2021: ¥910,000 (Direct Cost: ¥700,000、Indirect Cost: ¥210,000)
Fiscal Year 2020: ¥910,000 (Direct Cost: ¥700,000、Indirect Cost: ¥210,000)
Fiscal Year 2019: ¥1,430,000 (Direct Cost: ¥1,100,000、Indirect Cost: ¥330,000)
Fiscal Year 2018: ¥1,040,000 (Direct Cost: ¥800,000、Indirect Cost: ¥240,000)
Keywordsエネルギー代謝 / 熱産生 / 褐色脂肪細胞 / 肥満 / 転写因子 / 酸化ストレス
Outline of Final Research Achievements

Main findings of this study are 1) A natural Nrf2 activator, glucoraphanin, increased core body temperature, oxygen consumption, and energy expenditure mice, suggesting increased thermogenesis. 2) In addition, compared with wild-type mice, Keap1 knockdown mice (Keap1F/F) showed less weight gain when the mice fed a high-fat diet under thermoneutral conditions, suggesting increased thermogenesis in brown adipose tissue.

Academic Significance and Societal Importance of the Research Achievements

既存の抗肥満薬は、食欲抑制や消化管の脂肪吸収阻害等、エネルギー摂取を低下させる作用が主であり、抑うつや下痢等の副作用が少なくない。ゆえに現在、エネルギー消費を増大させ、肥満を抑制する新たな薬物や機能性食品因子が求められている。本研究によって、Nrf2活性化が褐色脂肪細胞のエネルギー消費を高める可能性が示されたことから、Nrf2活性化物質が肥満の予防・治療に応用できる可能性が生まれる。特に、食物由来のグルコラファニンは安全性が高く、経口摂取によるNrf2活性化と抗酸化作用による細胞保護効果も期待できるため、特色のある創薬シードになり得る。

Report

(5 results)
  • 2021 Annual Research Report   Final Research Report ( PDF )
  • 2020 Research-status Report
  • 2019 Research-status Report
  • 2018 Research-status Report
  • Research Products

    (5 results)

All 2021 2019 2018

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

  • [Journal Article] Impact of Glucoraphanin-Mediated Activation of Nrf2 on Non-Alcoholic Fatty Liver Disease with a Focus on Mitochondrial Dysfunction2019

    • Author(s)
      Xu L、Nagata N、Ota T
    • Journal Title

      International Journal of Molecular Sciences

      Volume: 20 Issue: 23 Pages: 5920-5920

    • DOI

      10.3390/ijms20235920

    • Related Report
      2019 Research-status Report
    • Peer Reviewed / Open Access / Int'l Joint Research
  • [Journal Article] Regulation of Gut Microbiota and Metabolic Endotoxemia with Dietary Factors2019

    • Author(s)
      Fuke Nobuo、Nagata Naoto、Suganuma Hiroyuki、Ota Tsuguhito
    • Journal Title

      Nutrients

      Volume: 11 Issue: 10 Pages: 2277-2277

    • DOI

      10.3390/nu11102277

    • NAID

      120006728440

    • Related Report
      2019 Research-status Report
    • Peer Reviewed / Open Access / Int'l Joint Research
  • [Journal Article] Glucoraphanin: a broccoli sprout extract that ameliorates obesity-induced inflammation and insulin resistance2018

    • Author(s)
      Xu Liang、Nagata Naoto、Ota Tsuguhito
    • Journal Title

      Adipocyte

      Volume: 7 Issue: 3 Pages: 218-225

    • DOI

      10.1080/21623945.2018.1474669

    • NAID

      120006226752

    • Related Report
      2018 Research-status Report
    • Peer Reviewed / Open Access / Int'l Joint Research
  • [Presentation] Glucoraphanin has the therapeutic potential of resolving hepatic steatosis in a murine model of diet-induced obesity2021

    • Author(s)
      Suratsawadee Promsuwan, Kazuki Sawamoto, Liang Xu, Naoto Nagata, Yumi Takiyama
    • Organizer
      IDF2021
    • Related Report
      2021 Annual Research Report
  • [Presentation] Nrf2 activation by glucoraphanin alleviates high-fat diet-induced obesity and insulin resistance through adipose tissue browning.2019

    • Author(s)
      Naoto Nagata, Guanliang Chen, Tsuguhito OTA, Hitoshi Ando
    • Organizer
      Enviromental Response V
    • Related Report
      2019 Research-status Report
    • Int'l Joint Research

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Published: 2018-04-23   Modified: 2023-01-30  

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