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The roles of high salt intake in hypothalamic inflammation and the pathogenesis of obesity

Research Project

Project/Area Number 17K17803
Research Category

Grant-in-Aid for Young Scientists (B)

Allocation TypeMulti-year Fund
Research Field Metabolomics
Environmental physiology(including physical medicine and nutritional physiology)
Research InstitutionNagoya University

Principal Investigator

Takagi Hiroshi  名古屋大学, 医学部附属病院, 助教 (10792004)

Project Period (FY) 2017-04-01 – 2019-03-31
Project Status Completed (Fiscal Year 2018)
Budget Amount *help
¥3,510,000 (Direct Cost: ¥2,700,000、Indirect Cost: ¥810,000)
Fiscal Year 2018: ¥1,820,000 (Direct Cost: ¥1,400,000、Indirect Cost: ¥420,000)
Fiscal Year 2017: ¥1,690,000 (Direct Cost: ¥1,300,000、Indirect Cost: ¥390,000)
Keywords肥満 / 糖尿病 / 視床下部炎症 / 内臓脂肪 / 内科 / 視床下部 / 炎症
Outline of Final Research Achievements

It is not clear whether high sodium intake correlates obesity and diabetes mellitus. Mice were fed with high fat diet (HF) or high fat and high salt diet (HF + HS). HF + HS group showed reduced body weight gain and increased epididymal white adipose tissue. No significant difference in mRNA expression of inflammatory cytokines in the arcuate was observed. HF + HS group showed impaired glucose tolerance and insulin secretion compared with HF.

Academic Significance and Societal Importance of the Research Achievements

食塩過剰摂取が肥満や糖尿病の危険因子となるかについては結論が定まっていない。本研究によりマウスにおいて高脂肪食に食塩過剰摂取が加わると、体重増加は抑制されるものの内臓脂肪量が増加し、耐糖能悪化、インスリン分泌不全を来たすことが見出された。その機序として視床下部炎症や中枢神経系を介した代謝制御の関与については今後も検討する必要がある。

Report

(3 results)
  • 2018 Annual Research Report   Final Research Report ( PDF )
  • 2017 Research-status Report
  • Research Products

    (1 results)

All 2018

All Presentation (1 results)

  • [Presentation] 高脂肪摂取下における塩分の過剰摂取が体重および体組成に与える影響について2018

    • Author(s)
      滝 圭吾、高木 博史、柳沼 裕史、溝口 暁、杉山 摩利子、恒川 卓、伊藤 禎浩、坂野 僚一、有馬 寛
    • Organizer
      第39回非日本肥満学会
    • Related Report
      2018 Annual Research Report

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Published: 2017-04-28   Modified: 2020-03-30  

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