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Development of molecularly targeted therapy based on inhibition mechanism of vascular remodeling in pulmonary hypertension

Research Project

Project/Area Number 18K05993
Research Category

Grant-in-Aid for Scientific Research (C)

Allocation TypeMulti-year Fund
Section一般
Review Section Basic Section 42020:Veterinary medical science-related
Research InstitutionTottori University

Principal Investigator

Hikasa Yoshiaki  鳥取大学, 農学部, 教授 (30165071)

Co-Investigator(Kenkyū-buntansha) 山野 好章  鳥取大学, 農学部, 教授 (00182593)
Project Period (FY) 2018-04-01 – 2021-03-31
Project Status Completed (Fiscal Year 2020)
Budget Amount *help
¥4,420,000 (Direct Cost: ¥3,400,000、Indirect Cost: ¥1,020,000)
Fiscal Year 2020: ¥910,000 (Direct Cost: ¥700,000、Indirect Cost: ¥210,000)
Fiscal Year 2019: ¥910,000 (Direct Cost: ¥700,000、Indirect Cost: ¥210,000)
Fiscal Year 2018: ¥2,600,000 (Direct Cost: ¥2,000,000、Indirect Cost: ¥600,000)
Keywords肺高血圧症 / 肺血管リモデリング / チロシンキナーゼ阻害薬 / 分裂促進因子活性化タンパク質キナーゼ経路 / イマチニブ / マシチニブ / ソラフェニブ / トセラニブ / ホスホジエステラーゼ5阻害薬 / シルデナフィル / タダラフィル / 右心肥大 / スニチニブ / 血管リモデリング / 血小板由来成長因子 / 分子標的薬 / MAPKシグナル伝達
Outline of Final Research Achievements

Using pulmonary hypertension rat model, this study was conducted to examine the inhibitory effects of tyrosine kinase inhibitors imatinib, sunitinib, sorafenib, toceranib and masitinib on PH, cardiac and pulmonary vascular remodeling, and remodeling-related factors. As a result, imatinib, sorafenib and masitinib treatments improved pulmonary vascular remodeling, right ventricular hypertrophy and pulmonary hypertension by suppressing the mitogen-activated protein kinase pathway through inhibition of tyrosine kinase receptor and C-X-C chemokine receptor 4. This effect exhibited at the dose lower than the anticancer drug dose, suggesting its application to veterinary medicine. In addition, the improvement effects of long-term administrations of low-dose imatinib and combined with sildenafil for canine pulmonary hypertension were clarified. These tyrosine kinase inhibitors may provide a novel reversal agent to target the cardiopulmonary remodeling in the pulmonary hypertension.

Academic Significance and Societal Importance of the Research Achievements

肺高血圧症は肺血管リモデリングと血管収縮により肺動脈圧が著しく上昇する致死的な病態です。本研究はラットを用いて肺高血圧症の本質的原因である肺血管リモデリングへの様々なシグナリング異常に着目し、5種類のチロシンキナーゼ阻害薬の肺高血圧症治療の有効性とその機序の一部を明らかにするとともに、イヌ肺高血圧症に対する有効性も明らかにしました。本研究の新知見は、獣医学および医学双方の肺高血圧症における新規分子標的治療法の開発に有用であり、肺高血圧症の分子病態メカニズムの解明にも貢献するものです。

Report

(4 results)
  • 2020 Annual Research Report   Final Research Report ( PDF )
  • 2019 Research-status Report
  • 2018 Research-status Report
  • Research Products

    (13 results)

All 2020 2019 2018 Other

All Journal Article (5 results) (of which Peer Reviewed: 5 results,  Open Access: 1 results) Presentation (6 results) (of which Int'l Joint Research: 1 results) Remarks (2 results)

  • [Journal Article] Effects of eplerenone on blood pressure and echocardiographic and serum biochemical variables in five healthy dogs: a pilot study2020

    • Author(s)
      Arita S, Arita N, Hikasa Y
    • Journal Title

      Veterinary Medicine International

      Volume: 2020 Pages: 1-10

    • DOI

      10.1155/2020/5193856

    • Related Report
      2020 Annual Research Report
    • Peer Reviewed / Open Access
  • [Journal Article] Effects of masitinib compared with tadalafil for the treatment of monocrotaline-induced pulmonary arterial hypertension in rats2019

    • Author(s)
      Leong ZP, Hikasa Y
    • Journal Title

      Vascular Pharmacology

      Volume: 122-123 Pages: 106599-106599

    • DOI

      10.1016/j.vph.2019.106599

    • Related Report
      2019 Research-status Report
    • Peer Reviewed
  • [Journal Article] Reversal effects of low-dose imatinib compared with sunitinib on monocrotaline-induced pulmonary and right ventricular remodeling in rats2018

    • Author(s)
      Leong ZP, Okida A, Higuchi M, Yamano Y, Hikasa Y
    • Journal Title

      Vascular Pharmacology

      Volume: 100 Pages: 41-50

    • DOI

      10.1016/j.vph.2017.10.006

    • Related Report
      2018 Research-status Report
    • Peer Reviewed
  • [Journal Article] Long-term effect of low-dose imatinib therapy for pulmonary hypertension due to chronic degenerative mitral valve disease in six dogs2018

    • Author(s)
      Leong ZP, Arita S, Hikasa Y
    • Journal Title

      Thai Journal of Veterinary Medicine

      Volume: 48 Pages: 499-505

    • Related Report
      2018 Research-status Report
    • Peer Reviewed
  • [Journal Article] Effects of toceranib compared with sorafenib on monocrotaline-induced pulmonary arterial hypertension and cardiopulmonary remodeling in rats2018

    • Author(s)
      Leong ZP, Hikasa Y
    • Journal Title

      Vascular Pharmacology

      Volume: 110 Pages: 31-41

    • DOI

      10.1016/j.vph.2018.07.002

    • Related Report
      2018 Research-status Report
    • Peer Reviewed
  • [Presentation] 肺動脈性肺高血圧モデルラットの心臓と肺血管リモデリングおよびその関連因子に及ぼすイマチニブとシルデナフィル併用投与の有効性2020

    • Author(s)
      山本楓、谷川龍翔、Leong Zi Ping、日笠喜朗
    • Organizer
      第163回日本獣医学会学術集会
    • Related Report
      2020 Annual Research Report
  • [Presentation] 犬の肺高血圧症における低用量イマチニブとシルデナフィル併用投与の有効性2020

    • Author(s)
      佐橋 悠、日笠喜朗
    • Organizer
      第163回日本獣医学会学術集会
    • Related Report
      2020 Annual Research Report
  • [Presentation] Reversal effect of toceranib versus sorafenib on monocrotaline-induced pulmonary arterial hypertension in rats2018

    • Author(s)
      Leong ZP, Hikasa Y
    • Organizer
      2018 ACVIM (American College of Veterinary Internal Medicine) Forum
    • Related Report
      2018 Research-status Report
    • Int'l Joint Research
  • [Presentation] 肺高血圧症モデルラットにおける肺血管リモデリング関連因子と右心室圧に及ぼすトセラニブおよびソラフェニブの影響2018

    • Author(s)
      Leong Zi Ping、矢嶋朋也、實松 冴、原田和記、日笠喜朗
    • Organizer
      第161回日本獣医学会学術集会
    • Related Report
      2018 Research-status Report
  • [Presentation] 肺高血圧症モデルラットにおける心臓と肺血管リモデリングおよび右心室圧に及ぼすマスチニブとタダラフィルの影響2018

    • Author(s)
      矢嶋朋也、Leong Zi Ping、原田和記、日笠喜朗
    • Organizer
      第161回日本獣医学会学術集会
    • Related Report
      2018 Research-status Report
  • [Presentation] 低用量のイマチニブとシルディナフィル併用投与が有効であった肺高血圧症の犬2例2018

    • Author(s)
      佐橋悠、佐橋三和子、日笠喜朗
    • Organizer
      第39回動物臨床医学会年次大会
    • Related Report
      2018 Research-status Report
  • [Remarks] 肺高血圧症に対する新規分子標的治療法の開発

    • URL

      https://s.orip.tottori-u.ac.jp/wp-content/themes/ORIP_/file/rcss/foa/Yhikasa082020.pdf

    • Related Report
      2020 Annual Research Report
  • [Remarks] 肺高血圧症に対する新規分子標的治療法の開発

    • URL

      https://orip.tottori-u.ac.jp/wp-content/uploads/sustainable/result/Yhikasa082020.pdf

    • Related Report
      2020 Annual Research Report

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Published: 2018-04-23   Modified: 2022-01-27  

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