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Analysis of peptide sensing mechanism in gastrointestinal GLP-1 producing cells

Research Project

Project/Area Number 17K00902
Research Category

Grant-in-Aid for Scientific Research (C)

Allocation TypeMulti-year Fund
Section一般
Research Field Eating habits
Research InstitutionNakamura Gakuen College

Principal Investigator

Hino Shinichiro  中村学園大学, 栄養科学部, 准教授 (00372699)

Co-Investigator(Kenkyū-buntansha) 溝田 知香  中村学園大学, 栄養科学部, 助手 (80783125)
Project Period (FY) 2017-04-01 – 2020-03-31
Project Status Completed (Fiscal Year 2019)
Budget Amount *help
¥4,680,000 (Direct Cost: ¥3,600,000、Indirect Cost: ¥1,080,000)
Fiscal Year 2019: ¥1,170,000 (Direct Cost: ¥900,000、Indirect Cost: ¥270,000)
Fiscal Year 2018: ¥1,560,000 (Direct Cost: ¥1,200,000、Indirect Cost: ¥360,000)
Fiscal Year 2017: ¥1,950,000 (Direct Cost: ¥1,500,000、Indirect Cost: ¥450,000)
Keywords消化管内分泌細胞 / 機能性ペプチド / GLP-1 / 消化管 / 内分泌細胞
Outline of Final Research Achievements

Several candidate synthetic peptides were prepared based on the consensus sequence of amino acids of Zein which is an indigestible protein contained in corn. The amino acid site of Zein required for GLP-1 induction in NCI-H716 (L cell) cell line was clarified.Induction of GLP-1 in L cells by Zein involved the accumulation of β-catenin, a component of the Wnt signaling pathway. Induction of GLP-1 by Zein was considered to include an increase in β-catenin due to interaction with extracellular secretory protein Wnt or activation of cAMP/PKA pathway.

Academic Significance and Societal Importance of the Research Achievements

GLP-1は、膵臓のβ細胞でのインスリンの合成を促進する作用、いわゆるインクレチン作用を持つことで良く知られている。GLP-1の膵臓のβ細胞への作用は、糖尿病の治療に効果があることが示され、インクレチン関連薬の開発が進んでいる。本研究のような食物由来の機能性ペプチドによる細胞制御の詳細な解析は、機能性ペプチドによる血糖コントロール食材の応用につながることが期待される。

Report

(4 results)
  • 2019 Annual Research Report   Final Research Report ( PDF )
  • 2018 Research-status Report
  • 2017 Research-status Report
  • Research Products

    (12 results)

All 2020 2019 2018 2017

All Journal Article (1 results) (of which Peer Reviewed: 1 results,  Open Access: 1 results) Presentation (11 results)

  • [Journal Article] Estrogen Regulates Mitochondrial Morphology through Phosphorylation of Dynamin-related Protein 1 in MCF7 Human Breast Cancer Cells2018

    • Author(s)
      Oo PS, Yamaguchi Y, Sawaguchi A, Kyaw MTH, Choijookhuu N, Ali MN, Srisowanna N, Hino S, Hishikawa Y.
    • Journal Title

      ACTA HISTOCHEMICA ET CYTOCHEMICA

      Volume: 51 Issue: 1 Pages: 21-31

    • DOI

      10.1267/ahc.17034

    • NAID

      130006405038

    • ISSN
      0044-5991, 1347-5800
    • Related Report
      2017 Research-status Report
    • Peer Reviewed / Open Access
  • [Presentation] GLP-1産生消化管上皮細胞のペプチドセンシング機構の解明2020

    • Author(s)
      日野 真一郎,溝田 知香
    • Organizer
      第125回日本解剖学会総会・全国学術集会
    • Related Report
      2019 Annual Research Report
  • [Presentation] 大腸がん細胞におけるポリメトキシフラボンの細胞運動・浸潤能への作用機序解明2020

    • Author(s)
      溝田 知香,日野 真一郎
    • Organizer
      第125回日本解剖学会総会・全国学術集会
    • Related Report
      2019 Annual Research Report
  • [Presentation] 細胞運動能におよぼすフラボノイドの効果2019

    • Author(s)
      日野 真一郎,溝田 知香
    • Organizer
      日本解剖学会第75回九州支部学術集会
    • Related Report
      2019 Annual Research Report
  • [Presentation] ヒト大腸がん細胞のミトコンドリア形態に及ぼすポリメトキシフラボンの効果2019

    • Author(s)
      日野真一郎
    • Organizer
      第124回日本解剖学会総会・全国学術集会
    • Related Report
      2018 Research-status Report
  • [Presentation] ポリメトキシフラボンによるWnt/β-カテニン経路依存性大腸がんの抑制機序解明2019

    • Author(s)
      溝田知香、日野真一郎
    • Organizer
      第124回日本解剖学会総会・全国学術集会
    • Related Report
      2018 Research-status Report
  • [Presentation] フラボノイドによるミトコンドリアの形態におよぼす効果2018

    • Author(s)
      日野真一郎
    • Organizer
      第59回日本組織細胞化学会総会・学術集会
    • Related Report
      2018 Research-status Report
  • [Presentation] ヒト大腸がん細胞HCT-116におよぼすポリメトキシフラボンの効果2018

    • Author(s)
      日野真一郎、溝田知香
    • Organizer
      第60回日本顕微鏡学 九州支部集会・学術講演会
    • Related Report
      2018 Research-status Report
  • [Presentation] Wnt/β-カテニン経路に及ぼすポリメトキシフラボンの効果2018

    • Author(s)
      溝田知香、日野真一郎
    • Organizer
      第59回日本組織細胞化学会総会・学術集会
    • Related Report
      2018 Research-status Report
  • [Presentation] A role of estrogen and estrogen receptor α in mitochondrial morphology through phosphorylation of Dynamin-related protein 1 in human breast cancer cells2018

    • Author(s)
      Phyu Synn Oo, Yuya Yamaguchi, Akira Swaguchi, Myat Tin Htwe Kyaw, Narantsog Choijookhuu, Mohmand Noor Ali, Naparee Srisowanna, Shin-ichiro Hino, Yoshitaka Hishikawa.
    • Organizer
      第59回日本組織細胞化学会総会・学術集会
    • Related Report
      2018 Research-status Report
  • [Presentation] ポリメトキシフラボンによるWnt/β-カテニン経路の制御2018

    • Author(s)
      溝田知香、日野真一郎
    • Organizer
      第123回日本解剖学会総会・全国学術集会
    • Related Report
      2017 Research-status Report
  • [Presentation] Estrogen accelerates phosphorylation of Dynamin-related protein 1(Drp1) through estrogen receptor α in MCF72017

    • Author(s)
      Phyu Synn Oo, Yuya Yamaguchi, Myat Tin Htwe Kyaw, Narantsog Choijookhuu, Mohmand Noor Ali, Naparee Srisowanna, Shin-ichiro Hino, Yoshitaka Hishikawa
    • Organizer
      第58回日本組織細胞化学会総会・学術集会
    • Related Report
      2017 Research-status Report

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Published: 2017-04-28   Modified: 2021-02-19  

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