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Molecular pharmacological studies on anti-tumor activity of direct oral anticoagulants (DOACs)

Research Project

Project/Area Number 19K08850
Research Category

Grant-in-Aid for Scientific Research (C)

Allocation TypeMulti-year Fund
Section一般
Review Section Basic Section 54010:Hematology and medical oncology-related
Research InstitutionSuzuka University of Medical Science

Principal Investigator

SUZUKI Koji  鈴鹿医療科学大学, 薬学部, 教授 (70077808)

Project Period (FY) 2019-04-01 – 2022-03-31
Project Status Completed (Fiscal Year 2021)
Budget Amount *help
¥4,420,000 (Direct Cost: ¥3,400,000、Indirect Cost: ¥1,020,000)
Fiscal Year 2021: ¥1,170,000 (Direct Cost: ¥900,000、Indirect Cost: ¥270,000)
Fiscal Year 2020: ¥1,430,000 (Direct Cost: ¥1,100,000、Indirect Cost: ¥330,000)
Fiscal Year 2019: ¥1,820,000 (Direct Cost: ¥1,400,000、Indirect Cost: ¥420,000)
Keywords抗凝固薬 / DOACs / Xa因子阻害薬 / Xa因子受容体 / 抗腫瘍作用 / 大腸癌細胞 / DOAC / 抗腫瘍効果 / 組織因子 / 第Xa因子 / エドキサバン / PAR2 / アポトーシス / Xa因子 / PAR-2 / PAR-1 / PAR-2-KOマウス / 癌細胞の増殖 / 癌細胞の転移 / 経口抗凝固薬
Outline of Research at the Start

本研究では、抗凝固薬DOACが示す抗腫瘍作用の分子機序を明らかにするため、以下の研究を行う。(1)担癌マウスを用いて、トロンビンならびにXa因子特異的DOACと既存の抗癌薬の抗腫瘍作用の薬理機序の違いを解析する。(2)種々のがん細胞に対して、siRNAを用いて作成したPAR-2あるいはPAR-1欠如癌細胞に対するDOACの影響について分子薬理的解析を行う。(3)担癌マウス(ホスト)の凝固因子受容体の関与を明きらかにするため、PAR-1-KOマウス、PAR-2-KOマウスおよび正常マウスを用いて、移植癌細胞の増殖と転移、腫瘍内血管新生、血管内皮や転移臓器の炎症性病態の差異を比較解析する。

Outline of Final Research Achievements

Direct oral anticoagulants (DOACs) are widely used as preventive agents for cerebral thromboembolism due to atrial fibrillation and deep vein thrombosis of the lower extremities. In this study, we analyzed the antitumor effects of DOACs. Anti-thrombin DOAC (dabigatran etexilate) and anti-Xa DOAC (edoxaban [EDX] and ribaroxaban) are orally administered daily to tumor-bearing BALB/c mice to which colon cancer Colon26 cells have been inoculated, and blood and tumor tissues are obtained from the mice on day 21 were collected and analyzed. As a result, EDX dose-dependently and significantly suppressed the tumor growth, the expression of plasma levels of IL-6, MMP-2 and tissue factor which induce coagulation and inflammation in host mice, the expression of tissue levels of factor Xa receptor PAR2 and various cancer cell proliferation related factors. EDX also promoted apoptosis of tumor tissue cells. These findings suggest that EDX may be used as a new antitumor agent.

Academic Significance and Societal Importance of the Research Achievements

癌患者数は増加の一途にあり、これまでにない新しい視点からの癌の発生や増殖・転移阻止の方策の確立が求められている。私はこれまでの研究で、血液の流動性維持に重要な凝固制御因子が癌細胞の増殖や転移を抑制する可能性を示してきた。そこで本研究では、癌細胞の増殖に及ぼす直接経口抗凝固薬DOACsの影響を解析した。その結果、DOACsの一つEDXが凝固第Xa因子受容体の活性化を阻害して癌細胞の増殖を著しく抑制するとともに、EDXが腫瘍組織のアポトーシスを誘導し、抗腫瘍作用を示すことを明らかにした。本研究成果は独創的で学術的にも重要であり、癌制御に向けた社会的意義は非常に大きいと考えられる。

Report

(4 results)
  • 2021 Annual Research Report   Final Research Report ( PDF )
  • 2020 Research-status Report
  • 2019 Research-status Report
  • Research Products

    (16 results)

All 2022 2021 2020 2019

All Journal Article (8 results) (of which Peer Reviewed: 8 results,  Open Access: 8 results) Presentation (6 results) (of which Int'l Joint Research: 1 results) Book (2 results)

  • [Journal Article] Anti-Inflammatory Activity of Orally Administered Monostroma nitidum Rhamnan Sulfate against Lipopolysaccharide-Induced Damage to Mouse Organs and Vascular Endothelium.2022

    • Author(s)
      Masahiro Terasawa, Keiichi Hiramoto, Ryota Uchida, Koji Suzuki
    • Journal Title

      Mar Drugs

      Volume: 3;20(2) Issue: 2 Pages: 121-138

    • DOI

      10.3390/md20020121

    • Related Report
      2021 Annual Research Report
    • Peer Reviewed / Open Access
  • [Journal Article] Recombinant Human Soluble Thrombomodulin Suppresses Arteritis in a Mouse Model of Kawasaki Disease.2021

    • Author(s)
      Hironobu Nakayama, Hiroyasu Inada, Tatsuya Inukai , Kenta Kondo, Kazuyuki Hirai, Tomonari Tsutsumi, Yoshiyuki Adachi, Noriko Nagi-Miura, Naohito Ohno, Koji Suzuki
    • Journal Title

      J Vasc Res

      Volume: 20 Issue: 3 Pages: 1-13

    • DOI

      10.1159/000520717

    • Related Report
      2021 Annual Research Report
    • Peer Reviewed / Open Access
  • [Journal Article] Mushroom <i>Sparassis crispa</i> (Hanabiratake) Fermented with Lactic Acid Bacteria Significantly Enhances Innate Immunity of Mice2020

    • Author(s)
      Nishioka Junji、Hiramoto Keiichi、Suzuki Koji
    • Journal Title

      Biological and Pharmaceutical Bulletin

      Volume: 43 Issue: 4 Pages: 629-638

    • DOI

      10.1248/bpb.b19-00724

    • NAID

      130007825344

    • ISSN
      0918-6158, 1347-5215
    • Year and Date
      2020-04-01
    • Related Report
      2019 Research-status Report
    • Peer Reviewed / Open Access
  • [Journal Article] Innate immune activation and antitumor effects of Lactobacillus-fermented Sparassis crispa extract in mice2020

    • Author(s)
      Hiramoto Keiichi、Nishioka Junji、Suzuki Koji
    • Journal Title

      Journal of Functional Foods

      Volume: 75 Pages: 104215-104215

    • DOI

      10.1016/j.jff.2020.104215

    • Related Report
      2020 Research-status Report
    • Peer Reviewed / Open Access
  • [Journal Article] A case of thrombomodulin mutation causing defective thrombin binding with absence of protein C and TAFI activation2020

    • Author(s)
      Okada Masahiko、Tominaga Norio、Honda Goichi、Nishioka Junji、Akita Nobuyuki、Hayashi Tatsuya、Suzuki Koji、Moriuchi Hiroyuki
    • Journal Title

      Blood Advances

      Volume: 4 Issue: 12 Pages: 2631-2639

    • DOI

      10.1182/bloodadvances.2019001155

    • NAID

      120006988143

    • Related Report
      2020 Research-status Report
    • Peer Reviewed / Open Access
  • [Journal Article] Clinical evaluation of Emblica Officinalis Gatertn (Amla) in healthy human subjects: Health benefits and safety results from a randomized, double-blind, crossover placebo-controlled study2020

    • Author(s)
      Kapoor Mahendra Parkash、Suzuki Koji、Derek Timm、Ozeki Makoto、Okubo Tsutomu
    • Journal Title

      Contemporary Clinical Trials Communications

      Volume: 17 Pages: 100499-100499

    • DOI

      10.1016/j.conctc.2019.100499

    • Related Report
      2019 Research-status Report
    • Peer Reviewed / Open Access
  • [Journal Article] Biological Activities of Rhamnan Sulfate Extract from the Green Algae Monostroma nitidum (Hitoegusa)2020

    • Author(s)
      Suzuki Koji、Terasawa Masahiro
    • Journal Title

      Marine Drugs

      Volume: 18 Issue: 4 Pages: 228-228

    • DOI

      10.3390/md18040228

    • Related Report
      2019 Research-status Report
    • Peer Reviewed / Open Access
  • [Journal Article] Rhamnan sulfate extracted from Monostroma nitidum attenuates blood coagulation and inflammation of vascular endothelial cells2019

    • Author(s)
      Okamoto Takayuki、Akita Nobuyuki、Terasawa Masahiro、Hayashi Tatsuya、Suzuki Koji
    • Journal Title

      Journal of Natural Medicines

      Volume: 印刷中 Issue: 3 Pages: 614-619

    • DOI

      10.1007/s11418-019-01289-5

    • NAID

      40021912735

    • Related Report
      2019 Research-status Report
    • Peer Reviewed / Open Access
  • [Presentation] 経口投与ラムナン硫酸は炎症時のグリコカリックスの減少を抑制し、血管内皮を保護する2022

    • Author(s)
      寺澤匡博、平本恵一、内田亮太、鈴木宏治
    • Organizer
      第44回日本血栓止血学会学術集会 仙台
    • Related Report
      2021 Annual Research Report
  • [Presentation] 経口抗凝固薬エドキサバンによるマウスメラノーマ細胞の転移抑制作用2022

    • Author(s)
      鈴木宏冶、渡邊大成、西岡淳二、平本恵一
    • Organizer
      第44回日本血栓止血学会学術集会 仙台
    • Related Report
      2021 Annual Research Report
  • [Presentation] Xa因子特異的DOAC、edoxabanは大腸癌Colon26接種マウスにおける腫瘍増殖を有意に抑制した2021

    • Author(s)
      鈴木宏冶、勝田 伸、播本真愛、久木野飛鳥、渡邊大成、秋田展幸、西岡淳二、平本恵一
    • Organizer
      第43回日本血栓止血学会学術集会 宮崎市
    • Related Report
      2020 Research-status Report
  • [Presentation] HepG2細胞における肝細胞増殖因子によるプロテインCインヒビターの発現低下にはPI3Kも関与する2019

    • Author(s)
      秋田展幸, 岡本貴行, 西岡淳二, 鈴木宏冶, 林辰弥
    • Organizer
      第41回日本血栓止血学会学術集会 三重
    • Related Report
      2019 Research-status Report
  • [Presentation] ヒトPCIと類似した月現像機分布を有するマウスを用いたPCI発現がん細胞の増殖・転移に関する研究2019

    • Author(s)
      秋田展幸, 岡本貴行, 西岡淳二, 鈴木宏冶, 林辰弥
    • Organizer
      第41回日本血栓止血学会学術集会 三重
    • Related Report
      2019 Research-status Report
  • [Presentation] Effect of catechins on blood coagulation and on various proteins related to the regulation of blood coagulation which are produced in HepG2 cells.2019

    • Author(s)
      Hayashi T, Akita N, Okamoto T, Nishioka J, Suzuki K.
    • Organizer
      The International Society on Thrombosis and Haemostasis 2019 Melbourne
    • Related Report
      2019 Research-status Report
    • Int'l Joint Research
  • [Book] みてわかる薬学 図解 腫瘍薬学(分担執筆:第14章 腫瘍随伴症状)2020

    • Author(s)
      鈴木宏冶 分担執筆(編者 川西正祐、賀川義之、大井一弥)
    • Publisher
      南山堂 東京
    • ISBN
      9784525721619
    • Related Report
      2020 Research-status Report
  • [Book] 海藻で健康寿命を延ばす!2020

    • Author(s)
      鈴木宏冶
    • Total Pages
      162
    • Publisher
      産学社 東京
    • ISBN
      9784782535561
    • Related Report
      2020 Research-status Report

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Published: 2019-04-18   Modified: 2023-03-23  

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