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Elucidation of molecular mechanisms regulating anabolic pathways after amino acid starvation

Research Project

Project/Area Number 17K07806
Research Category

Grant-in-Aid for Scientific Research (C)

Allocation TypeMulti-year Fund
Section一般
Research Field Food science
Research InstitutionNagoya University of Arts and Sciences

Principal Investigator

Izawa Ichiro  名古屋学芸大学, 管理栄養学部, 教授 (20311441)

Project Period (FY) 2017-04-01 – 2020-03-31
Project Status Completed (Fiscal Year 2019)
Budget Amount *help
¥4,810,000 (Direct Cost: ¥3,700,000、Indirect Cost: ¥1,110,000)
Fiscal Year 2019: ¥1,430,000 (Direct Cost: ¥1,100,000、Indirect Cost: ¥330,000)
Fiscal Year 2018: ¥1,430,000 (Direct Cost: ¥1,100,000、Indirect Cost: ¥330,000)
Fiscal Year 2017: ¥1,950,000 (Direct Cost: ¥1,500,000、Indirect Cost: ¥450,000)
Keywordsミトコンドリア / リボソーム / アミノ酸飢餓 / ストレス応答 / 栄養学 / シグナル伝達
Outline of Final Research Achievements

We examined the roles of ObgH2, a human homolog of the bacterial Obg family proteins, in the cellular responses to the amino acid starvation. We observed that endogenous ObgH2 localized at the mitochondria. We found that in HEK293T cells, the knockdown of ObgH2 using siRNAi did not markedly affect the cellular responses after the amino acid starvation.

Academic Significance and Societal Importance of the Research Achievements

Obgファミリータンパク質は細菌からヒトまで保存されており、重要な機能を担っていることが推測される。本研究では、ヒトObgタンパク質ObgH2の機能を解析し、ObgH2がアミノ酸欠乏のシグナルには関与していないとの結果を得た。最近問題となっている薬剤耐性の克服を目指して、細菌Obgの機能を解析する研究も報告されているので、細菌とヒトのObgの機能の差異を明らかにしていくことは重要であると考えられる。

Report

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

    (3 results)

All 2019 2018 Other

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

  • [Journal Article] 健康会席弁当箱の考案2018

    • Author(s)
      水口笑菜,上村優衣,岸田幸奈,小池杏佳,齋藤優里,田中あず紗,野々山咲来,堀江裕子,南ふらの,渡邊奈々美,秦志織,塚原丘美,井澤一郎
    • Journal Title

      名古屋学芸大学健康・栄養研究所年報

      Volume: 10 Pages: 57-64

    • NAID

      120006867844

    • Related Report
      2018 Research-status Report
    • Peer Reviewed / Open Access
  • [Presentation] 健康会席弁当箱の考案2019

    • Author(s)
      山本菜月,伊藤有理沙,青戸恭平,糸川真矢,佐藤遼,水川優輝,山下瑞生,渡辺菜月,秦志織,塚原丘美,井澤一郎.
    • Organizer
      第66回日本栄養改善学会学術総会(富山)
    • Related Report
      2019 Annual Research Report
  • [Remarks] 名古屋学芸大学ホームページ

    • URL

      https://www.nuas.ac.jp/

    • Related Report
      2019 Annual Research Report 2018 Research-status Report

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

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