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Elucidation of the effect of E4BP4 on the development of atherosclerosis

Research Project

Project/Area Number 20K08433
Research Category

Grant-in-Aid for Scientific Research (C)

Allocation TypeMulti-year Fund
Section一般
Review Section Basic Section 53020:Cardiology-related
Research InstitutionJuntendo University

Principal Investigator

Isoda Kikuo  順天堂大学, 大学院医学研究科, 先任准教授 (00532475)

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 2022: ¥520,000 (Direct Cost: ¥400,000、Indirect Cost: ¥120,000)
Fiscal Year 2021: ¥1,040,000 (Direct Cost: ¥800,000、Indirect Cost: ¥240,000)
Fiscal Year 2020: ¥2,730,000 (Direct Cost: ¥2,100,000、Indirect Cost: ¥630,000)
KeywordsE4BP4 / 炎症 / IL-1 / 腎障害 / 高血圧 / 新生内膜 / 血管障害 / 時計遺伝子 / サイトカイン / NK細胞 / 血管傷害 / 内膜肥厚 / 動脈硬化 / 新生内膜肥厚 / 慢性炎症 / 炎症性サイトカイン
Outline of Research at the Start

最近の研究で時計遺伝子のE4BP4は、炎症性疾患において炎症反応を沈静化させる役割をもつことが示唆されている。そこで本研究ではまず大腿動脈にポリエチレンのカフを巻き、持続的外膜刺激により生じる血管炎症と新生内膜肥厚を野生型マウスとE4BP4欠損マウスで比較することでE4BP4の役割を検討する。次に、動脈硬化モデルマウスであるApoE欠損マウスと交配して得られたE4BP4・ApoEダブル欠損マウスを用いて、E4BP4欠損が動脈硬化病変のサイズや構成成分に及ぼす効果を検討する。以上の実験モデルを用いて、E4BP4制御が動脈硬化や心筋梗塞の新たな予防法になる可能性に関して実証していく。

Outline of Final Research Achievements

(1) Deficiency of E4BP4 reduced the inflammatory cytokines and suppressed neointimal formation after injury. The present study is the first to demonstrate that E4BP4 plays an important role in the increase of neointimal formation after injury in vivo, thus suggesting that E4BP4 inhibition may represent a useful strategy to inhibit vascular inflammation. (2) Inhibition of interleukin-1 decreased Angiotensin II-induced hypertension and renal damage in mice, suggesting suppression of IL-1 may provide an additional strategy to protect against renal damage in hypertensive patients.

Academic Significance and Societal Importance of the Research Achievements

我々は今回2つのことなる実験系で結果を出すことができた。
(1)時計遺伝子のE4BP4の阻害が血管の炎症を抑制する有用な戦略である可能性を示した。(2)IL-1の抑制がAngII誘発高血圧および腎障害を減少させたことより、IL-1の抑制が高血圧患者における腎障害進行を防ぐ新たな治療法となることを実証した。
以上が成果が新規治療法につながれば、心血管発症予防や透析患者減少をもたらし、医療費削減につながるため社会的意義は大きいと考える。

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

    (12 results)

All 2024 2023 2022 2021 2020

All Journal Article (8 results) (of which Peer Reviewed: 8 results,  Open Access: 7 results) Presentation (4 results) (of which Int'l Joint Research: 2 results)

  • [Journal Article] Left ventricular apical aneurysm caused by takotsubo cardiomyopathy2024

    • Author(s)
      Hiki Masaru、Ajima Tomohi、Takeuchi Mitsuhiro、Isoda Kikuo
    • Journal Title

      Journal of Cardiology Cases

      Volume: 29 Issue: 3 Pages: 144-147

    • DOI

      10.1016/j.jccase.2023.11.012

    • Related Report
      2023 Annual Research Report
    • Peer Reviewed / Open Access
  • [Journal Article] Gastric emphysema with massive hepatic portal venous gas2024

    • Author(s)
      Niida Tomiharu、Takeuchi Mitsuhiro、Kataoka Kosuke、Isoda Kikuo
    • Journal Title

      BMJ Case Reports

      Volume: 17 Issue: 4 Pages: e259865-e259865

    • DOI

      10.1136/bcr-2024-259865

    • Related Report
      2023 Annual Research Report
    • Peer Reviewed / Open Access
  • [Journal Article] Successful healing of aneurysmal false lumen using a second-generation drug-eluting stent in spontaneous coronary artery dissection: a case report2024

    • Author(s)
      Niida Tomiharu、Isoda Kikuo、Tada Miho、Kitahara Satoshi、Fujino Yusuke
    • Journal Title

      The Egyptian Heart Journal

      Volume: 76 Issue: 1 Pages: 13-13

    • DOI

      10.1186/s43044-024-00447-9

    • Related Report
      2023 Annual Research Report
    • Peer Reviewed / Open Access
  • [Journal Article] Pacemaker Implantation with Absent Right Superior Vena Cava2023

    • Author(s)
      Kunimoto Mitsuhiro, Tabuchi Haruna, Isoda Kikuo
    • Journal Title

      Annals of Case Reports

      Volume: 8 Issue: 3 Pages: 1300-1300

    • DOI

      10.29011/2574-7754.101300

    • Related Report
      2023 Annual Research Report
    • Peer Reviewed / Open Access
  • [Journal Article] Horrifying shift of a giant thrombus during coronary intervention2022

    • Author(s)
      Fukuda Kentaro、Funamizu Takehiro、Tamura Hiroshi、Isoda Kikuo
    • Journal Title

      European Heart Journal - Case Reports

      Volume: 6 Issue: 5 Pages: 1-2

    • DOI

      10.1093/ehjcr/ytac177

    • Related Report
      2022 Research-status Report
    • Peer Reviewed / Open Access
  • [Journal Article] Capture of Part of a Vessel Wall by a Coronary Orbital Atherectomy System2022

    • Author(s)
      Yasuda Hidetoshi、Isoda Kikuo、Okazaki Shinya、Minamino Tohru
    • Journal Title

      CJC Open

      Volume: 4 Issue: 11 Pages: 994-995

    • DOI

      10.1016/j.cjco.2022.09.004

    • Related Report
      2022 Research-status Report
    • Peer Reviewed / Open Access
  • [Journal Article] Blocking of interleukin-1 suppresses angiotensin II-induced renal injury2021

    • Author(s)
      Akita Koji、Isoda Kikuo、Ohtomo Fumie、Isobe Sarasa、Niida Tomiharu、Sato-Okabayashi Yayoi、Sano Motoaki、Shimada Kazunori、Iwakura Yoichiro、Minamino Tohru
    • Journal Title

      Clinical Science

      Volume: 135 Issue: 17 Pages: 2035-2048

    • DOI

      10.1042/cs20201406

    • Related Report
      2021 Research-status Report
    • Peer Reviewed
  • [Journal Article] Low-dose oral cyclophosphamide therapy reduces atherosclerosis progression by decreasing inflammatory cells in a murine model of atherosclerosis2020

    • Author(s)
      Sato-Okabayashi Yayoi、Isoda Kikuo、Heissig Beate、Kadoguchi Tomoyasu、Akita Koji、Kitamura Kenichi、Shimada Kazunori、Hattori Koichi、Daida Hiroyuki
    • Journal Title

      IJC Heart & Vasculature

      Volume: 28 Pages: 100529-100529

    • DOI

      10.1016/j.ijcha.2020.100529

    • Related Report
      2020 Research-status Report
    • Peer Reviewed / Open Access
  • [Presentation] The Effect of Endothelin-1 on Angiotensin II-Induced Renal Injury.2023

    • Author(s)
      Niida Tomiharu, Isoda Kikuo, Ohtomo Fumie, Akita Koji, Kitamura Kenichi, Kadoguchi Tomoyasu, Minamino Tohru
    • Organizer
      American Heart Association’s annual Scientific Sessions 2023
    • Related Report
      2023 Annual Research Report
    • Int'l Joint Research
  • [Presentation] Inhibition of Endothelin-1 Suppresses Both Angiotensin II-induced Renal Inflammation and Hypertension.2023

    • Author(s)
      Niida Tomiharu, Isoda Kikuo, Otomo Fumie, Akita Koji, Kitamura Kenichi, Kadoguchi Tomoyasu, Minamino Tohru.
    • Organizer
      第87 回日本循環器学会学術集会
    • Related Report
      2023 Annual Research Report
  • [Presentation] Inhibition of interleukin-1 suppresses both angiotensin II-induced hypertension and renal injury2021

    • Author(s)
      Ohtomo F, Isoda K, Niida T, Kitamura K, Okabayashi Y, Kadoguchi T, Shimada K, Minamino T
    • Organizer
      第85回日本循環器学会学術集会
    • Related Report
      2020 Research-status Report
  • [Presentation] Blocking of interleukin-1 suppresses both angiotensin II-induced renal inflammation and hypertension2020

    • Author(s)
      1.Niida T, Isoda K, Kitamura K, Okabayashi Y, Kadoguchi T, Ohtomo F, Shimada K.
    • Organizer
      ESC Congress 2020
    • Related Report
      2020 Research-status Report
    • Int'l Joint Research

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

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