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Control of systemic progression of pancreatic cancer by blocking VCAM-1: a study of genetically-engineered mouse model

Research Project

Project/Area Number 20K07584
Research Category

Grant-in-Aid for Scientific Research (C)

Allocation TypeMulti-year Fund
Section一般
Review Section Basic Section 50010:Tumor biology-related
Research InstitutionSaitama Medical University (2022)
The University of Tokyo (2020-2021)

Principal Investigator

Mizuno Suguru  埼玉医科大学, 医学部, 准教授 (30771050)

Co-Investigator(Kenkyū-buntansha) 伊地知 秀明  東京大学, 医学部附属病院, 講師 (70463841)
Project Period (FY) 2020-04-01 – 2023-03-31
Project Status Completed (Fiscal Year 2022)
Budget Amount *help
¥4,420,000 (Direct Cost: ¥3,400,000、Indirect Cost: ¥1,020,000)
Fiscal Year 2022: ¥1,170,000 (Direct Cost: ¥900,000、Indirect Cost: ¥270,000)
Fiscal Year 2021: ¥1,430,000 (Direct Cost: ¥1,100,000、Indirect Cost: ¥330,000)
Fiscal Year 2020: ¥1,820,000 (Direct Cost: ¥1,400,000、Indirect Cost: ¥420,000)
Keywords膵癌 / がん微小環境 / がん関連血栓塞栓症 / VCAM-1 / ANP / 癌関連血栓塞栓症 / 癌微小環境 / 予後
Outline of Research at the Start

膵癌は依然として最難治癌であり、その予後改善は喫緊の課題である。我々は、ヒトの膵癌組織像の特徴をよく再現できる遺伝子改変膵発癌モデルマウスを樹立しており、接着因子VCAM-1を阻害することで膵癌マウスの生存期間が劇的に延長することを見出した。その機序として、実臨床でも予後不良因子である癌関連血栓塞栓症の制御の関与が示唆されている。本研究では、この膵発癌モデルを用いて、VCAM-1制御による生存延長と血栓塞栓症制御との関連を明らかにし、さらにVCAM-1を膵癌細胞特異的にノックアウトし膵癌の全身病態としての膵癌関連血栓塞栓症を制御し、生命予後改善すなわち膵癌を制御できることを明らかにする。

Outline of Final Research Achievements

Pancreatic cancer is the most lethal cancer. One of the poor prognostic factor is cancer-associated thromboembolism(CAT). We have established a genetically-engineered mouse model of pancreatic cancer that can recapitulate human disease. The model also frequently develops CAT. Treatment of the model with VCAM-1 neutralizing antibody strikingly prolonged the survival, which suggested that inhibition of CAT might have contributed to the prognosis. To clarify the underlying mechanisms, VCAM-1 knockout in the model was planned, however, due to the COVID-19 pandemic, crossing the mice is still ongoing. Instead, we found that VCAM-1 blockade prevented the systemic progression of CAT. In addition, advanced pancreatic cancer patients with CAT showed significantly high level of plasma VCAM-1 and ANP even before the CAT onset, which indicated that these can be promising biomarkers for defining the high risk group of CAT and for the patient selection to be treated with VCAM-1 inhibition therapy.

Academic Significance and Societal Importance of the Research Achievements

最難治癌である膵癌において予後改善効果が期待できるVCAM-1阻害療法の機序として、予後不良因子である癌関連血栓症の進展を抑制することを見出し、血漿VCAM-1、ANP値が癌関連血栓症の高危険群およびVCAM-1阻害療法の対象患者選択のバイオマーカーとなる可能性を示した。実臨床に多い切除不能状態の進行膵癌患者においても予後を大きく改善させる可能性を示している。

Report

(3 results)
  • 2022 Final Research Report ( PDF )
  • 2021 Research-status Report
  • 2020 Research-status Report
  • Research Products

    (5 results)

All 2021 2020

All Journal Article (2 results) (of which Int'l Joint Research: 2 results,  Peer Reviewed: 2 results,  Open Access: 2 results) Presentation (3 results)

  • [Journal Article] Blocking VCAM-1 inhibits pancreatic tumour progression and cancer-associated thrombosis/thromboembolism2020

    • Author(s)
      Sano M, Takahashi R, Ijichi H, Ishigaki K, Yamada T, Miyabayashi K, Kimura G, Mizuno S, Kato H, Fujiwara H, Nakatsuka T, Tanaka Y, Kim J, Masugi Y, Morishita Y, Tanaka M, Uikshiku T, Nakai Y, Tateishi K, Ishii Y, Isayama H, Moses HL, Koike K
    • Journal Title

      Gut

      Volume: 70 Issue: 9 Pages: 1713-1723

    • DOI

      10.1136/gutjnl-2020-320608

    • Related Report
      2020 Research-status Report
    • Peer Reviewed / Open Access / Int'l Joint Research
  • [Journal Article] Soluble VCAM-1 promotes gemcitabine resistance via macrophage infiltration and predicts therapeutic response in pancreatic cancer2020

    • Author(s)
      Takahashi Ryota、Ijichi Hideaki、Sano Makoto、Miyabayashi Koji、Mohri Dai、Kim Jinsuk、Kimura Gen、Nakatsuka Takuma、Fujiwara Hiroaki、Yamamoto Keisuke、Kudo Yotaro、Tanaka Yasuo、Tateishi Keisuke、Nakai Yousuke、Morishita Yasuyuki、Soma Katsura、Takeda Norihiko、Moses Harold L.、Isayama Hiroyuki、Koike Kazuhiko
    • Journal Title

      Scientific Reports

      Volume: 10 Issue: 1 Pages: 1-13

    • DOI

      10.1038/s41598-020-78320-3

    • Related Report
      2020 Research-status Report
    • Peer Reviewed / Open Access / Int'l Joint Research
  • [Presentation] 細胞接着因子VCAM-1を介した腫瘍進展機構と標的治療の効果2021

    • Author(s)
      高橋良太、佐野誠、伊地知秀明、小池和彦
    • Organizer
      第63回日本消化器病学会大会
    • Related Report
      2021 Research-status Report
  • [Presentation] 血漿sVCAM-1とANP上昇は膵癌関連血栓症/血栓塞栓症の危険予測因子である2020

    • Author(s)
      佐野誠、高橋良太、伊地知秀明、宮林弘至、石垣和祥、水野卓、中井陽介、立石敬介、多田稔、小池和彦
    • Organizer
      第51回日本膵臓学会大会
    • Related Report
      2020 Research-status Report
  • [Presentation] VCAM-1阻害は膵癌の進展と癌関連血栓症/血栓塞栓症を抑制し予後に寄与する2020

    • Author(s)
      佐野誠、高橋良太、伊地知秀明、石垣和祥、山田友春、宮林弘至、水野卓、中塚拓馬、田中康雄、眞杉洋平、森下保幸、田中麻理子、立石敬介、Moses Harold L、小池和彦
    • Organizer
      第79回日本癌学会学術総会
    • Related Report
      2020 Research-status Report

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Published: 2020-04-28   Modified: 2024-01-30  

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