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Cell-cell interactions in tissue repair of blood vessels.

Research Project

Project/Area Number 21H02908
Research Category

Grant-in-Aid for Scientific Research (B)

Allocation TypeSingle-year Grants
Section一般
Review Section Basic Section 53020:Cardiology-related
Research InstitutionThe University of Tokyo

Principal Investigator

Ueda Kazutaka  東京大学, 医学部附属病院, 助教 (60375798)

Co-Investigator(Kenkyū-buntansha) 佐藤 守俊  東京大学, 大学院総合文化研究科, 教授 (00323501)
瀧本 英樹  東京大学, 医学部附属病院, 講師 (20709513)
Project Period (FY) 2021-04-01 – 2024-03-31
Project Status Completed (Fiscal Year 2023)
Budget Amount *help
¥17,550,000 (Direct Cost: ¥13,500,000、Indirect Cost: ¥4,050,000)
Fiscal Year 2023: ¥3,770,000 (Direct Cost: ¥2,900,000、Indirect Cost: ¥870,000)
Fiscal Year 2022: ¥5,460,000 (Direct Cost: ¥4,200,000、Indirect Cost: ¥1,260,000)
Fiscal Year 2021: ¥8,320,000 (Direct Cost: ¥6,400,000、Indirect Cost: ¥1,920,000)
Keywords動脈硬化 / 血管周囲脂肪組織 / 細胞間相互作用 / 遺伝子改変マウス / 光制御性Cre-loxPシステム / 1細胞トランスクリプトーム / 急性大動脈解離 / 脂肪褐色化 / 炎症 / マクロファージ / β3受容体 / 血管周囲脂肪
Outline of Research at the Start

動脈血管では、内皮細胞、平滑筋細胞、微小血管、免疫細胞、血管周囲組織など、多彩な細胞種の相互作用により恒常性が保たれている。動脈ストレス応答の結果として生じる病的血管リモデリング(いわゆる動脈硬化)はこの血管環境維持システムの破綻といえ、システム破綻の遷延は虚血性心疾患や大動脈解離等の生命を脅かす重大な疾患に直結する。本研究では、1細胞RNAシーケンスや光制御Cre-loxPシステムなどによる最新の解析技術を活用し、血管ストレス応答における動脈硬化形成メカニズムの統合的理解を目指す。

Outline of Final Research Achievements

Although inflammation plays critical roles in the development of atherosclerosis, its regulatory mechanisms remain incompletely understood. We identified that vascular injury induces the beiging (brown adipose tissue-like phenotype change) of perivascular adipose tissue (PVAT), which fine-tunes inflammatory response and thus vascular remodeling as a protective mechanism. In a mouse model of endovascular injury, macrophages accumulate in PVAT, causing beiging phenotype change. Inhibition of PVAT beiging by genetically silencing PRDM16, a key regulator to beiging, exacerbates inflammation and vascular remodeling following injury. Single-cell RNA sequencing reveals that beige adipocytes abundantly express neuregulin 4 (Nrg4) which critically regulate alternative macrophage activation. These findings suggest the pivotal roles of PVAT in vascular inflammation and remodeling and will open a new avenue for treating atherosclerosis.

Academic Significance and Societal Importance of the Research Achievements

虚血性心疾患、脳卒中、大動脈解離といった動脈硬化性疾患による死亡者数は現在の日本ではがんに比肩する高い割合を占めていることから、動脈硬化性疾患の克服は喫緊の課題である。しかしながら、動脈硬化に関する研究はこれまでも数多くなされてきたものの、既存の治療法は十分に満足できる効果を挙げているとは言い難い。本研究で得られた知見は、PVATの血管炎症とリモデリングにおける重要な役割を示唆し、動脈硬化の治療に新たなアプローチをもたらすものと期待される。

Report

(4 results)
  • 2023 Annual Research Report   Final Research Report ( PDF )
  • 2022 Annual Research Report
  • 2021 Annual Research Report
  • Research Products

    (12 results)

All 2023 2022 2021

All Journal Article (10 results) (of which Int'l Joint Research: 1 results,  Peer Reviewed: 10 results,  Open Access: 9 results) Presentation (2 results) (of which Invited: 1 results)

  • [Journal Article] Novel AGL variants in a patient with glycogen storage disease type IIIb and pulmonary hypertension caused by pulmonary veno-occlusive disease: A case report2023

    • Author(s)
      Shindo Akito、Ueda Kazutaka、Minatsuki Shun、Nakayama Yukiteru、Hatsuse Satoshi、Fujita Kanna、Nomura Seitaro、Hatano Masaru、Takeda Norifumi、Akazawa Hiroshi、Komuro Issei
    • Journal Title

      Frontiers in Genetics

      Volume: 14 Pages: 1148067-1148067

    • DOI

      10.3389/fgene.2023.1148067

    • Related Report
      2023 Annual Research Report
    • Peer Reviewed / Open Access
  • [Journal Article] The emerging role of estrogen's non-nuclear signaling in the cardiovascular disease2023

    • Author(s)
      Tokiwa Hiroyuki、Ueda Kazutaka、Takimoto Eiki
    • Journal Title

      Frontiers in Cardiovascular Medicine

      Volume: 10

    • DOI

      10.3389/fcvm.2023.1127340

    • Related Report
      2023 Annual Research Report
    • Peer Reviewed / Open Access
  • [Journal Article] Perivascular adipose tissue in vascular pathologies-a novel therapeutic target for atherosclerotic disease?2023

    • Author(s)
      Adachi Yusuke、Ueda Kazutaka、Takimoto Eiki
    • Journal Title

      Frontiers in Cardiovascular Medicine

      Volume: 10 Pages: 1151717-1151717

    • DOI

      10.3389/fcvm.2023.1151717

    • Related Report
      2023 Annual Research Report
    • Peer Reviewed / Open Access
  • [Journal Article] PGC-1α-mediated angiogenesis prevents pulmonary hypertension in mice2023

    • Author(s)
      Fujiwara T, Takeda N, Hara H, Ishii S, Numata G, Tokiwa H, Katoh M, Maemura S, Suzuki T, Takiguchi H, Yanase T, Kubota Y, Nomura S, Hatano M, Ueda K, Harada M, Toko H, Takimoto E, Akazawa H, Morita H, Nishimura S, Komuro I.
    • Journal Title

      JCI Insight

      Volume: 8 Issue: 17 Pages: 162632-162632

    • DOI

      10.1172/jci.insight.162632

    • Related Report
      2023 Annual Research Report
    • Peer Reviewed / Open Access
  • [Journal Article] Vertebral osteomyelitis secondary to infective endocarditis detected by repeated magnetic resonance imaging: a case report2023

    • Author(s)
      Hashimoto Masaki、Ueda Kazutaka、Nakao Tomoko、Tanaka Takahiro、Komuro Issei
    • Journal Title

      European Heart Journal - Case Reports

      Volume: 7 Issue: 11

    • DOI

      10.1093/ehjcr/ytad552

    • Related Report
      2023 Annual Research Report
    • Peer Reviewed / Open Access
  • [Journal Article] Tie2-Cre-Induced Inactivation of Non-Nuclear Estrogen Receptor-α Signaling Abrogates Estrogen Protection Against Vascular Injury2023

    • Author(s)
      Liu Pang-Yen、Fukuma Nobuaki、Hiroi Yukio、Kunita Akiko、Tokiwa Hiroyuki、Ueda Kazutaka、Kariya Taro、Numata Genri、Adachi Yusuke、Tajima Miyu、Toyoda Masayuki、Li Yuxin、Noma Kensuke、Harada Mutsuo、Toko Haruhiro、Ushiku Tetsuo、Kanai Yoshimitsu、Takimoto Eiki、Liao James K.、Komuro Issei
    • Journal Title

      JACC: Basic to Translational Science

      Volume: 8 Issue: 1 Pages: 55-67

    • DOI

      10.1016/j.jacbts.2022.07.001

    • Related Report
      2022 Annual Research Report
    • Peer Reviewed / Open Access / Int'l Joint Research
  • [Journal Article] A pacing-controlled protocol for frequency-diastolic relations distinguishes diastolic dysfunction specific to a mouse HFpEF model2022

    • Author(s)
      Numata Genri、Takimoto Eiki、Kariya Taro、Adachi Yusuke、Tokiwa Hiroyuki、Toyoda Masayuki、Mafune Ryo、Saito Yoshihiro、Nakamura Shun、Ueda Kazutaka、Ikeda Yuichi、Komuro Issei
    • Journal Title

      American Journal of Physiology-Heart and Circulatory Physiology

      Volume: 323 Issue: 3 Pages: H523-H527

    • DOI

      10.1152/ajpheart.00241.2022

    • Related Report
      2022 Annual Research Report
    • Peer Reviewed
  • [Journal Article] Beiging of perivascular adipose tissue regulates its inflammation and vascular remodeling2022

    • Author(s)
      Adachi Yusuke、Ueda Kazutaka、Nomura Seitaro、Ito Kaoru、Katoh Manami、Katagiri Mikako、Yamada Shintaro、Hashimoto Masaki、Zhai Bowen、Numata Genri、Otani Akira、Hinata Munetoshi、Hiraike Yuta、Waki Hironori、Takeda Norifumi、Morita Hiroyuki、Ushiku Tetsuo、Yamauchi Toshimasa、Takimoto Eiki、Komuro Issei
    • Journal Title

      Nature Communications

      Volume: 13 Issue: 1 Pages: 5117-5117

    • DOI

      10.1038/s41467-022-32658-6

    • Related Report
      2022 Annual Research Report
    • Peer Reviewed / Open Access
  • [Journal Article] Factors associated with left ventricular reverse remodelling after percutaneous coronary intervention in patients with left ventricular systolic dysfunction2021

    • Author(s)
      Adachi Y、Kiyosue A、Ando J、Kawahara T、Kodera S、Minatsuki S、Kikuchi H、Inaba T、Kiriyama H、Hirose K、Shinohara H、Saito A、Fujiwara T、Hara H、Ueda K、Sakakura K、Hatano M、Harada M、Takimoto E、Akazawa H、Morita H、Momomura S、Fujita H、Komuro I
    • Journal Title

      Scientific Reports

      Volume: 11 Issue: 1 Pages: 239-239

    • DOI

      10.1038/s41598-020-80491-y

    • Related Report
      2021 Annual Research Report
    • Peer Reviewed / Open Access
  • [Journal Article] Three-Dimensional Visualization of Hypoxia-Induced Pulmonary Vascular Remodeling in Mice2021

    • Author(s)
      Fujiwara Takayuki、Takeda Norifumi、Hara Hironori、Ishii Satoshi、Numata Genri、Tokiwa Hiroyuki、Maemura Sonoko、Suzuki Takaaki、Takiguchi Hiroshi、Kubota Yoshiaki、Seo Kinya、Sakata Asuka、Nomura Seitaro、Hatano Masaru、Ueda Kazutaka、Komuro Issei
    • Journal Title

      Circulation

      Volume: 144 Issue: 17 Pages: 1452-1455

    • DOI

      10.1161/circulationaha.121.056219

    • Related Report
      2021 Annual Research Report
    • Peer Reviewed / Open Access
  • [Presentation] Beiging of perivascular adipose tissue regulates its inflammation and vascular remodeling2023

    • Author(s)
      Kazutaka Ueda
    • Organizer
      第87回日本循環器学会総会
    • Related Report
      2023 Annual Research Report
    • Invited
  • [Presentation] Protects the Heart against Ischemic Damage through Regulating Lipid Metabolism in Myocardium2023

    • Author(s)
      Guo J, Ueda K, Toko H, Harada M, Bujo S, Ishizuka M, Adachi A, Hashimoto M, Komuro I.
    • Organizer
      第87回日本循環器学会総会
    • Related Report
      2023 Annual Research Report

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Published: 2021-04-28   Modified: 2025-01-30  

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