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Analysis of the physiological roles of gangliosides in the control of feeding and metabolism

Research Project

Project/Area Number 26440061
Research Category

Grant-in-Aid for Scientific Research (C)

Allocation TypeMulti-year Fund
Section一般
Research Field Functional biochemistry
Research InstitutionTohoku Medical and Pharmaceutical University

Principal Investigator

INAMORI Kei-ichiro  東北医科薬科大学, 薬学部, 准教授 (70710375)

Project Period (FY) 2014-04-01 – 2017-03-31
Project Status Completed (Fiscal Year 2016)
Budget Amount *help
¥4,940,000 (Direct Cost: ¥3,800,000、Indirect Cost: ¥1,140,000)
Fiscal Year 2016: ¥1,690,000 (Direct Cost: ¥1,300,000、Indirect Cost: ¥390,000)
Fiscal Year 2015: ¥1,560,000 (Direct Cost: ¥1,200,000、Indirect Cost: ¥360,000)
Fiscal Year 2014: ¥1,690,000 (Direct Cost: ¥1,300,000、Indirect Cost: ¥390,000)
Keywordsガングリオシド / 視床下部 / レプチン抵抗性 / メラノコルチン受容体 / スフィンゴ糖脂質 / GM3 / レプチン受容体 / レプチン / 炎症 / 受容体シグナル
Outline of Final Research Achievements

There is a growing body of evidence that hypothalamic inflammation precedes development of diet-induced obesity and disrupted hypothalamic control of feeding, but the detailed molecular mechanism of the response remains incompletely understood. Here we found enhanced expressions of several genes responsible for ganglioside synthesis in the hypothalamus of high-fat diet-fed mice. We also found that deficiency of ganglioside GM3 synthase gene improved responsiveness to leptin in the hypothalamus of obese mouse model which develops leptin resistance, resulting in improvements in the body weight and food intake as well as the glucose and insulin tolerance.

Report

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

    (11 results)

All 2017 2016 2015

All Presentation (11 results) (of which Int'l Joint Research: 4 results,  Invited: 1 results)

  • [Presentation] GM3合成酵素ノックアウトマウスは腸管からのコレステロール吸収抑制を介して高コレステロール血症に抵抗性を示す2017

    • Author(s)
      二瓶渉, 永福正和, 田村友美, 稲森啓一郎, 新井健太, 樺山一哉, 深瀬浩一, 井ノ口仁一
    • Organizer
      日本薬学会 第137年会
    • Place of Presentation
      仙台国際センター/東北大学川内地区(宮城県仙台市)
    • Year and Date
      2017-03-24
    • Related Report
      2016 Annual Research Report
  • [Presentation] Investigation of the roles of gangliosides in leptin and melanocortin signaling.2016

    • Author(s)
      Kei-ichiro Inamori
    • Organizer
      The 8th Asian Community of Glycoscience and Glycotechnology Annual Conference
    • Place of Presentation
      無錫(中国)
    • Year and Date
      2016-10-13
    • Related Report
      2016 Annual Research Report
    • Int'l Joint Research / Invited
  • [Presentation] レプチンおよびメラノコルチン受容体機能におけるガングリオシドの役割の検討2016

    • Author(s)
      稲森啓一郎,伊藤英樹,田村有美,楊燕華,二瓶渉,突田壮平,山田哲也,片桐秀樹,井ノ口仁一
    • Organizer
      第89回日本生化学会大会
    • Place of Presentation
      仙台国際センター/東北大学川内北キャンパス(宮城県仙台市)
    • Year and Date
      2016-09-25
    • Related Report
      2016 Annual Research Report
  • [Presentation] ガングリオシド欠損による過食・肥満モデルマウスの肥満病態の改善2016

    • Author(s)
      伊藤英樹,稲森啓一郎,楊燕華,二瓶渉,突田壮平,山田哲也,片桐秀樹,井ノ口仁一
    • Organizer
      第89回日本生化学会大会
    • Place of Presentation
      仙台国際センター/東北大学川内北キャンパス(宮城県仙台市)
    • Year and Date
      2016-09-25
    • Related Report
      2016 Annual Research Report
  • [Presentation] マウス視床下部由来神経細胞株を用いた受容体シグナルにおけるガングリオシドの機能解析2016

    • Author(s)
      田村有美,稲森啓一郎,伊藤英樹,千葉ひかる,井ノ口仁一
    • Organizer
      第89回日本生化学会大会
    • Place of Presentation
      仙台国際センター/東北大学川内北キャンパス(宮城県仙台市)
    • Year and Date
      2016-09-25
    • Related Report
      2016 Annual Research Report
  • [Presentation] レプチンおよびメラノコルチン受容体の機能におけるガングリオシドの役割の検討2016

    • Author(s)
      稲森啓一郎,伊藤英樹,田村有美,楊燕華,二瓶渉,突田壮平,山田哲也,片桐秀樹,井ノ口仁一
    • Organizer
      第35回日本糖質学会年会
    • Place of Presentation
      高知市文化プラザかるぽーと(高知県高知市)
    • Year and Date
      2016-09-01
    • Related Report
      2016 Annual Research Report
  • [Presentation] レプチンおよびメラノコルチンシグナルにおけるガングリオシドの役割の検討2015

    • Author(s)
      稲森啓一郎,伊藤英樹,楊燕華,二瓶渉,突田壮平,山田哲也,片桐秀樹,井ノ口仁一
    • Organizer
      第38回日本分子生物学会年会・第88回日本生化学会大会合同大会
    • Place of Presentation
      神戸国際展示場(兵庫県神戸市)
    • Year and Date
      2015-12-01
    • Related Report
      2015 Research-status Report
  • [Presentation] Ablation of the GM3 synthase gene in KK-Ay mice improved the obese phenotype: implication for its role in leptin and melanocortin signaling.2015

    • Author(s)
      Kei-ichiro Inamori, Hideki Ito, Xiaohua Yang, Wataru Nihei, Sohei Tsukitaa, Tetsuya Yamadaa, Hideki Katagiria, Jin-ichi Inokuchi
    • Organizer
      7th Asian Community of Glycoscience and Glycotechnology Conference
    • Place of Presentation
      Hotel Taikanso (Matsushima, Miyagi, Japan)
    • Year and Date
      2015-11-12
    • Related Report
      2015 Research-status Report
    • Int'l Joint Research
  • [Presentation] Investigation of the role of gangliosides in leptin and melanocortin signaling2015

    • Author(s)
      Hideki Ito, Kei-ichiro Inamori, Xiaohua Yang, Wataru Nihei, Sohei Tsukita, Tetsuya Yamada, Hideki Katagiri, Jin-ichi Inokuchi
    • Organizer
      7th Asian Community of Glycoscience and Glycotechnology Conference
    • Place of Presentation
      Hotel Taikanso (Matsushima, Miyagi, Japan)
    • Year and Date
      2015-11-12
    • Related Report
      2015 Research-status Report
    • Int'l Joint Research
  • [Presentation] Analysis of GM3 synthase-gene knockout cell lines generated from mouse hypothalamic neuronal cells2015

    • Author(s)
      Yumi Tamura, Kei-ichiro Inamori, Hideki Ito, Hikaru Chiba, Jin-ichi Inokuchi
    • Organizer
      7th Asian Community of Glycoscience and Glycotechnology Conference
    • Place of Presentation
      Hotel Taikanso (Matsushima, Miyagi, Japan)
    • Year and Date
      2015-11-12
    • Related Report
      2015 Research-status Report
    • Int'l Joint Research
  • [Presentation] レプチン及びメラノコルチンシグナルにおけるガングリオシドの役割の検討2015

    • Author(s)
      伊藤英樹,稲森啓一郎,楊燕華,二瓶渉,突田壮平,山田哲也,片桐秀樹,井ノ口仁一
    • Organizer
      第9回東北糖鎖研究会・第9回分子生体膜研究所合同シンポジウム
    • Place of Presentation
      東北薬科大学(宮城県仙台市)
    • Year and Date
      2015-09-04
    • Related Report
      2015 Research-status Report

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

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