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Physiological roles of liver de novo serine biosynthesis in adaptation to protein starvation

Research Project

Project/Area Number 26660116
Research Category

Grant-in-Aid for Challenging Exploratory Research

Allocation TypeMulti-year Fund
Research Field Food science
Research InstitutionKyushu University

Principal Investigator

FURUYA Shigeki  九州大学, 農学研究院, 教授 (00222274)

Project Period (FY) 2014-04-01 – 2017-03-31
Project Status Completed (Fiscal Year 2016)
Budget Amount *help
¥3,900,000 (Direct Cost: ¥3,000,000、Indirect Cost: ¥900,000)
Fiscal Year 2016: ¥910,000 (Direct Cost: ¥700,000、Indirect Cost: ¥210,000)
Fiscal Year 2015: ¥1,560,000 (Direct Cost: ¥1,200,000、Indirect Cost: ¥360,000)
Fiscal Year 2014: ¥1,430,000 (Direct Cost: ¥1,100,000、Indirect Cost: ¥330,000)
Keywordsセリン / Phgdh / リン酸化経路 / 肝臓 / 小腸 / KOマウス / タンパク質欠乏 / 低栄養 / ノックアウト / 食品 / 栄養学 / 肝機能 / タンパク質飢餓 / アミノ酸 / 腸管機能
Outline of Final Research Achievements

The aim of this study is to reveal the physiological role for de novo serine synthase in the liver in response to protein starvation. The enzymes Phgdh, Psat1 and Psph constituting the phosphorylated pathway responsible for de novo serine synthesis is shown to be induced substantially in the liver under a protein-starved nutritional condition. However, its physiological significance remains unexplored. In this study, using a liver-specific Phgdh KO mice, we examined effect of protein-free diet on metabolic homeostasis of amino acids including serine, gene/protein expression, and organ interaction, especially liver-intestine interaction.

Report

(4 results)
  • 2016 Annual Research Report   Final Research Report ( PDF )
  • 2015 Research-status Report
  • 2014 Research-status Report
  • Research Products

    (5 results)

All 2016 2015 2014

All Presentation (5 results)

  • [Presentation] 肝臓実質細胞特異的セリン合成酵素Phgdh KOマウスは耐糖能異常を呈する2016

    • Author(s)
      毛利 伸哉,森安 一樹,江﨑 加代子,田代 康介,平林 義雄,古屋 茂樹
    • Organizer
      日本農芸化学会2016年度大会
    • Place of Presentation
      札幌コンベンションセンター
    • Year and Date
      2016-03-29
    • Related Report
      2015 Research-status Report
  • [Presentation] 肝臓特異的セリン合成不全マウスは加齢に伴い耐糖能異常を呈す2015

    • Author(s)
      森安 一樹,江﨑 加代子,毛利 伸哉,平林 義雄,古屋 茂樹
    • Organizer
      日本アミノ酸学会第9回学術大会
    • Place of Presentation
      滋賀県立大学
    • Year and Date
      2015-10-24
    • Related Report
      2015 Research-status Report
  • [Presentation] 肝臓特異的Phgdh遺伝子不活性化は肥満と末梢組織アミノ酸不均衡を惹起する2015

    • Author(s)
      毛利 紳哉,江﨑 加代子, 森安 一樹, 古屋 茂樹
    • Organizer
      第51回化学関連支部合同九州大会
    • Place of Presentation
      北九州国際会議場
    • Year and Date
      2015-06-27
    • Related Report
      2015 Research-status Report
  • [Presentation] Liver-specific Phgdh deletion elicits systemic metabolic changes in mice.2015

    • Author(s)
      毛利伸哉,江﨑加代子,森安一樹,市瀬嵩志,清水泰博,河原林裕,平林義雄,古屋茂樹
    • Organizer
      第12回アジア栄養会議(ACN2015)・第69回日本栄養・食糧学会大会
    • Place of Presentation
      パシフィコ横浜
    • Year and Date
      2015-05-14 – 2015-05-18
    • Related Report
      2014 Research-status Report
  • [Presentation] 肝臓特異的セリン合成不全マウスは加齢に伴い肥満を呈する2014

    • Author(s)
      森安一樹,江崎加代子,市瀬嵩志,毛利伸哉,平林義雄,古屋茂樹
    • Organizer
      日本アミノ酸学会第8回学術大会
    • Place of Presentation
      東京農業大学
    • Year and Date
      2014-11-09
    • Related Report
      2014 Research-status Report

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Published: 2014-04-04   Modified: 2018-03-22  

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