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New therapeutic strategy for intractable respiratory diseases through CD26/DPP-4

Research Project

Project/Area Number 19K17663
Research Category

Grant-in-Aid for Early-Career Scientists

Allocation TypeMulti-year Fund
Review Section Basic Section 53030:Respiratory medicine-related
Research InstitutionChiba University

Principal Investigator

Kawasaki Takeshi  千葉大学, 大学院医学研究院, 助教 (20586383)

Project Period (FY) 2019-04-01 – 2022-03-31
Project Status Completed (Fiscal Year 2021)
Budget Amount *help
¥4,160,000 (Direct Cost: ¥3,200,000、Indirect Cost: ¥960,000)
Fiscal Year 2021: ¥1,040,000 (Direct Cost: ¥800,000、Indirect Cost: ¥240,000)
Fiscal Year 2020: ¥1,300,000 (Direct Cost: ¥1,000,000、Indirect Cost: ¥300,000)
Fiscal Year 2019: ¥1,820,000 (Direct Cost: ¥1,400,000、Indirect Cost: ¥420,000)
KeywordsCD26 / 難治性呼吸器疾患 / 肺傷害 / ARDS / Dipeptidyl peptidase 4 / DPP4 / LPS
Outline of Research at the Start

急性呼吸窮迫症候群(Acute Respiratory Distress Syndrome: ARDS)は、重篤な炎症性病態であるが、いまだ有効な薬物療法がない。 CD26/Dipeptidyl peptidase-4 (DPP-4)は細胞表面および循環血中に存在し、多機能を有する糖タンパク質である。 DPP-4阻害薬は糖尿病薬として実用化されており、ARDSモデル動物における同薬の有効性が示されているが、作用機序については不明な点が多い。 そこで本研究では、培養実験および動物実験により、「呼吸器組織におけるDPP-4の作用機序」および「ARDSにおけるDPP-4の体内動態」の解明を目指す。

Outline of Final Research Achievements

In this study, we aimed to clarify roles for CD26/DPP-4 in acute respiratory distress syndrome (ARDS). Our results indicated that CD26/DPP-4 has pleiotropic effects at cellular levels and is related to the pathological conditions of ARDS.

Academic Significance and Societal Importance of the Research Achievements

CD26/Dipeptidyl peptidase-4(DPP-4)は多面的作用を有するタンパクであり、DPP-4阻害薬は糖尿病薬として臨床で用いられている。本研究によりCD26/DPP-4はARDSにおける治療標的になる可能性が示唆された。したがって、DPP-4阻害薬はARDSの治療薬として新規治療戦略につながる可能性がある。

Report

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

    (9 results)

All 2022 2021 2020 2019

All Journal Article (1 results) (of which Int'l Joint Research: 1 results,  Peer Reviewed: 1 results,  Open Access: 1 results) Presentation (8 results) (of which Int'l Joint Research: 7 results)

  • [Journal Article] Functional Roles for CD26/DPP4 in Mediating Inflammatory Responses of Pulmonary Vascular Endothelial Cells2021

    • Author(s)
      Takahashi Yukiko、Kawasaki Takeshi、Sato Hironori、Hasegawa Yoshinori、Dudek Steven M.、Ohara Osamu、Tatsumi Koichiro、Suzuki Takuji
    • Journal Title

      Cells

      Volume: 10 Issue: 12 Pages: 3508-3508

    • DOI

      10.3390/cells10123508

    • Related Report
      2021 Annual Research Report
    • Peer Reviewed / Open Access / Int'l Joint Research
  • [Presentation] Potential Functional Roles for CD26/Dipeptidyl Peptidase-4 in Mediating Responses of Human Lung Microvascular Endothelial Cells2022

    • Author(s)
      Yukiko Takahashi, Takeshi Kawasaki, Hironori Sato, Yoshinori Hasegawa, Steven M. Dudek, Osamu Ohara, Koichiro Tatsumi, and Takuji Suzuki
    • Organizer
      ATS International Conference 2022
    • Related Report
      2021 Annual Research Report
    • Int'l Joint Research
  • [Presentation] Alleviation of mouse LPS-induced lung injury by CD26/DPP4 deficiency2021

    • Author(s)
      Syun Sato, Takeshi Kawasaki, Ryo Hatano, Yu Koyanagi, Yukiko Takahashi, Seiichiro Sakao, Kei Ohnuma, Chikao Morimoto, Steven M. Dudek, Koichiro Tatsumi, Takuji Suzuki
    • Organizer
      APSR 2021
    • Related Report
      2021 Annual Research Report
    • Int'l Joint Research
  • [Presentation] LPS-induced lung injury is attenuated in CD26/DPP4 deficient mice2021

    • Author(s)
      Syun Sato, Takeshi Kawasaki, Ryo Hatano, Yu Koyanagi, Yukiko Takahashi, Seiichiro Sakao, Kei Ohnuma, Chikao Morimoto, Steven M. Dudek, Koichiro Tatsumi
    • Organizer
      ATS International Conference 2021
    • Related Report
      2021 Annual Research Report
    • Int'l Joint Research
  • [Presentation] LPS-induced lung injury is attenuated in CD26/DPP4 deficient mice2021

    • Author(s)
      S. Sato, T. Kawasaki, R. Hatano, Y. Koyanagi, Y. Takahashi, S. Sakao, K. Ohnuma, C. Morimoto, S. M. Dudek, K. Tatsumi
    • Organizer
      ATS International Conference 2021(国際学会)
    • Related Report
      2020 Research-status Report
    • Int'l Joint Research
  • [Presentation] Inhibition of CD26/Dipeptidyl Peptidase-4 Expression Causes Anti-Inflammatory and Pro-Proliferative Effects in Human Lung Microvascular Endothelial Cells2021

    • Author(s)
      Y. Takahashi, T. Kawasaki, S. Sato, K. Yu, S. M. Dudek, K. Tatsumi
    • Organizer
      第61回日本呼吸器学会学術集会
    • Related Report
      2020 Research-status Report
  • [Presentation] Inhibition of CD26/Dipeptidyl Peptidase-4 Expression Causes Anti-Inflammatory and Pro-Proliferative Effects in Human Lung Microvascular Endothelial Cells2020

    • Author(s)
      Y. Takahashi, T. Kawasaki, S. Sato, K. Yu, S. M. Dudek, K. Tatsumi
    • Organizer
      ATS International Conference 2020(国際学会)
    • Related Report
      2020 Research-status Report
    • Int'l Joint Research
  • [Presentation] Inhibition of CD26/Dipeptidyl Peptidase-4 Expression Causes Anti-Inflammatory and Pro-Proliferative Effects in Human Lung Microvascular Endothelial Cells2020

    • Author(s)
      Y. Takahashi, T. Kawasaki, S. Sato, K. Yu, S. M. Dudek, K. Tatsumi
    • Organizer
      ATS International Conference 2020
    • Related Report
      2019 Research-status Report
    • Int'l Joint Research
  • [Presentation] T. Kawasaki, W. Chen, K. Tatsumi, S. M. Dudek2019

    • Author(s)
      Dynamic Modulation of Dipeptidyl Peptidase-4 in LPS-Induced Lung Injury in Mice
    • Organizer
      ATS International Conference 2019
    • Related Report
      2019 Research-status Report
    • Int'l Joint Research

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Published: 2019-04-18   Modified: 2023-01-30  

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