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A role of reactive sulfur species in keeping reversibility of electrophilic S-modification

Research Project

Project/Area Number 20K12180
Research Category

Grant-in-Aid for Scientific Research (C)

Allocation TypeMulti-year Fund
Section一般
Review Section Basic Section 63030:Chemical substance influence on environment-related
Research InstitutionNagasaki University (2022-2023)
University of Tsukuba (2020-2021)

Principal Investigator

Abiko Yumi  長崎大学, 医歯薬学総合研究科(薬学系), 准教授 (80742866)

Project Period (FY) 2020-04-01 – 2024-03-31
Project Status Completed (Fiscal Year 2023)
Budget Amount *help
¥4,290,000 (Direct Cost: ¥3,300,000、Indirect Cost: ¥990,000)
Fiscal Year 2023: ¥1,690,000 (Direct Cost: ¥1,300,000、Indirect Cost: ¥390,000)
Fiscal Year 2022: ¥1,300,000 (Direct Cost: ¥1,000,000、Indirect Cost: ¥300,000)
Fiscal Year 2021: ¥650,000 (Direct Cost: ¥500,000、Indirect Cost: ¥150,000)
Fiscal Year 2020: ¥650,000 (Direct Cost: ¥500,000、Indirect Cost: ¥150,000)
Keywords親電子物質 / PTP1B / EGFR / ナフトキノン / ベンゾキノン / キノン / パースルフィド / 親電子修飾 / 環境中化学物質 / ポリスルフィド / 環境化学物質 / レドックスシグナル
Outline of Research at the Start

環境中親電子物質によるタンパク質のチオール基への親電子修飾は,被修飾タンパク質の機能を変化させ,生体応答や毒性を発揮する. パー/ポリスルフィドは,反応性が高く,親電子物質と効率良く反応することが想定されるが,親電子修飾に対するタンパク質結合パー/ポリスルフィドの役割は不明である. そこで本研究では,親電子修飾の可逆的担保におけるタンパク質結合パー/ポリスルフィドの役割を検討する. 本研究は,親電子ストレスに対する生体内防御システムの解明と毒性軽減の一助に繋がる.

Outline of Final Research Achievements

We investigated whether or not electrophilic modification of protein-bound persulfides or polysulfides is reversible using PTP1B, which negatively regulates EGFR. PTP1B activity was inhibited by the recombinant per or polysulfhydrated PTP1B with electrophilic substances 1,4-benzoquinone or 1,2-naphthoquinone (1,2-NQ). The inhibited activity was recovered through reduction by dithiothreitol. In A431 cells, the activation of EGFR by 1,2-NQ exposure tended to decrease with sodium disulfide pretreatment. These results suggest that the electrophilic modification of PTP1B-SSnH is reversible and that it can be regenerated by reduction and suppresses EGFR again.

Academic Significance and Societal Importance of the Research Achievements

親電子物質はタンパク質のチオール基と共有結合して被修飾タンパク質の機能を変化させる. 本研究では, チオール基がパースルフィドもしくはポリスルフィド化されている場合は、還元により親電子修飾が解除されることを示した. 本結果は, パー(ポリ)スルフィドが親電子物質によるタンパク質への影響をバッファリングしていることを示唆しており, タンパク質のパー(ポリ)スルフィド化は環境中親電子物質に対する防御機構の一つと考えられる. 毒性学および予防医学においてパー(ポリ)スルフィドの重要性を示す知見となったといえよう.

Report

(5 results)
  • 2023 Annual Research Report   Final Research Report ( PDF )
  • 2022 Research-status Report
  • 2021 Research-status Report
  • 2020 Research-status Report
  • Research Products

    (15 results)

All 2024 2023 2022 2021 2020

All Journal Article (7 results) (of which Peer Reviewed: 7 results,  Open Access: 6 results) Presentation (8 results) (of which Int'l Joint Research: 1 results)

  • [Journal Article] Methyl vinyl ketone and its analogs covalently modify PI3K and alter physiological functions by inhibiting PI3K signaling2024

    • Author(s)
      Morimoto Atsushi、Takasugi Nobumasa、Pan Yuexuan、Kubota Sho、Dohmae Naoshi、Abiko Yumi、Uchida Koji、Kumagai Yoshito、Uehara Takashi
    • Journal Title

      Journal of Biological Chemistry

      Volume: 300 Issue: 3 Pages: 105679-105679

    • DOI

      10.1016/j.jbc.2024.105679

    • Related Report
      2023 Annual Research Report
    • Peer Reviewed
  • [Journal Article] Activation of HSP90/HSF1 Signaling as an Adaptive Response to an Electrophilic Metabolite of Morphine2023

    • Author(s)
      Kohei Matsuo, Yumi Abiko, Shigeru Yamano, Kimihiko Matsusue, Yoshito Kumagai
    • Journal Title

      Biological and Pharmaceutical Bulletin

      Volume: 46 Issue: 2 Pages: 334-337

    • DOI

      10.1248/bpb.b22-00531

    • ISSN
      0918-6158, 1347-5215
    • Year and Date
      2023-02-01
    • Related Report
      2023 Annual Research Report 2022 Research-status Report
    • Peer Reviewed / Open Access
  • [Journal Article] Activation of the Keap1/Nrf2 Pathway as an Adaptive Response to an Electrophilic Metabolite of Morphine2023

    • Author(s)
      Kohei Matsuo, Yumi Abiko, Shigeru Yamano, Akira Toriba, Kimihiko Matsusue, Yoshito Kumagai
    • Journal Title

      Biological and Pharmaceutical Bulletin

      Volume: 46 Issue: 2 Pages: 338-342

    • DOI

      10.1248/bpb.b22-00543

    • ISSN
      0918-6158, 1347-5215
    • Year and Date
      2023-02-01
    • Related Report
      2023 Annual Research Report 2022 Research-status Report
    • Peer Reviewed / Open Access
  • [Journal Article] Redox Homeostasis is Disturbed by Redox Cycling between Reactive Cysteines of Thioredoxin 1 and 9,10-Phenanthrenequinone, an Atmospheric Electron Acceptor2022

    • Author(s)
      Abiko Yumi、Taguchi Keiko、Hisamori Miwa、Hiyoshi-Arai Kyoko、Luong Nho Cong、Toriba Akira、Kumagai Yoshito
    • Journal Title

      Chemical Research in Toxicology

      Volume: 35 Issue: 8 Pages: 1425-1432

    • DOI

      10.1021/acs.chemrestox.2c00174

    • Related Report
      2022 Research-status Report
    • Peer Reviewed / Open Access
  • [Journal Article] Phytochemicals to regulate oxidative and electrophilic stress through Nrf2 activation2022

    • Author(s)
      Abiko Yumi、Toriba Akira、Kumagai Yoshito
    • Journal Title

      Redox Experimental Medicine

      Volume: 2023 Issue: 1

    • DOI

      10.1530/rem-22-0021

    • Related Report
      2022 Research-status Report
    • Peer Reviewed / Open Access
  • [Journal Article] Activation of PTP1B/EGFR signaling and cytotoxicity during combined exposure to ambient electrophiles in A431 cells2021

    • Author(s)
      Abiko Yumi、Kurosawa Kohki、Yamakawa Hiroto、Kumagai Yoshito
    • Journal Title

      The Journal of Toxicological Sciences

      Volume: 46 Issue: 4 Pages: 177-185

    • DOI

      10.2131/jts.46.177

    • NAID

      130008020939

    • ISSN
      0388-1350, 1880-3989
    • Related Report
      2021 Research-status Report
    • Peer Reviewed / Open Access
  • [Journal Article] Lipophilic compounds in garlic decrease the toxicity of methylmercury by forming sulfur adducts2021

    • Author(s)
      Abiko Yumi、Katayama Yusuke、Akiyama Masahiro、Kumagai Yoshito
    • Journal Title

      Food and Chemical Toxicology

      Volume: 150 Pages: 112061-112061

    • DOI

      10.1016/j.fct.2021.112061

    • Related Report
      2021 Research-status Report
    • Peer Reviewed / Open Access
  • [Presentation] Effect of combined exposure of HepG2 cells to environmental electrophiles on the Keap1/Nrf2 activation and cytotoxicity2024

    • Author(s)
      Yumi Abiko, Hanako Aoki, Akira Toriba, Yoshito Kumagai
    • Organizer
      Society of Toxicology 63rd Annual Meeting and ToxExpo
    • Related Report
      2023 Annual Research Report
    • Int'l Joint Research
  • [Presentation] 親電子物質曝露におけるPTP1Bポリスルフィド化の役割2023

    • Author(s)
      安孫子ユミ、吉田さくら、鳥羽陽、熊谷嘉人
    • Organizer
      第50回毒性学会学術年会
    • Related Report
      2023 Annual Research Report
  • [Presentation] プロテインフォスファターゼ1B結合ポリスルフィドへの親電子修飾の可逆性に関する検討2023

    • Author(s)
      安孫子ユミ、吉田さくら、鳥羽陽、熊谷嘉人
    • Organizer
      フォーラム2023:衛生薬学・環境トキシコロジー
    • Related Report
      2023 Annual Research Report
  • [Presentation] 電子タバコ主流煙中に含まれる多環芳香族炭化水素キノン類の分析2023

    • Author(s)
      吉岡響、吉田さくら、安孫子ユミ、戸次加奈江、稲葉洋平、鳥羽陽
    • Organizer
      フォーラム2023:衛生薬学・環境トキシコロジー
    • Related Report
      2023 Annual Research Report
  • [Presentation] 石川県輪島市で捕集した微小粒子状物質(PM2.5)中の多環芳香族炭化水素キノン類の分析2023

    • Author(s)
      古川彩夏、吉田さくら、安孫子ユミ、唐 寧、鳥羽陽
    • Organizer
      フォーラム2023:衛生薬学・環境トキシコロジー
    • Related Report
      2023 Annual Research Report
  • [Presentation] A431細胞における親電子物質複合曝露によるEGFR活性化.2021

    • Author(s)
      安孫子ユミ、黒澤航軌、山川寛人、熊谷嘉人
    • Organizer
      フォーラム2021:衛生薬学・環境トキシコロジー
    • Related Report
      2021 Research-status Report
  • [Presentation] 酸化ストレスエクスポソーム:環境化学物質に起因する活性酸素種に着目したアプローチ2021

    • Author(s)
      安孫子ユミ、熊谷嘉人
    • Organizer
      第48回日本毒性学会学術年会
    • Related Report
      2021 Research-status Report
  • [Presentation] 親電子物質(E)-2-alkenal類を含有するC. sativum L.抽出液によるNrf2活性化と細胞中ヒ素濃度の減少2020

    • Author(s)
      安孫子ユミ
    • Organizer
      フォーラム2020衛生薬学・環境トキシコロジー
    • Related Report
      2020 Research-status Report

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Published: 2020-04-28   Modified: 2025-01-30  

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