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2022 Fiscal Year Final Research Report

Establishment of a novel AKI treatment utilizing multi-target action by regulating serine proteases

Research Project

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Project/Area Number 20K16047
Research Category

Grant-in-Aid for Early-Career Scientists

Allocation TypeMulti-year Fund
Review Section Basic Section 47060:Clinical pharmacy-related
Research InstitutionKumamoto University

Principal Investigator

Narita Yuki  熊本大学, 病院, 助教 (40614665)

Project Period (FY) 2020-04-01 – 2023-03-31
Keywordsセリンプロテアーゼ / AKI / マルチターゲット作用
Outline of Final Research Achievements

In recent years, many patients have been introduced to dialysis due to acute kidney injury (AKI), and it is essential to take measures against AKI. But, there is no established treatment. This study aimed to establish a novel AKI treatment utilizing a multi-target action by regulating serine proteases. We evaluated the efficacy of serine protease inhibitors and investigated their mechanisms of action using lipopolysaccharide (LPS) and ischemia-reperfusion (IR)-induced AKI models. The results showed that camostat mesilate (CM), a serine protease inhibitor, partially inhibited the pathological progression of AKI model mice and suppressed oxidative stress and inflammatory markers dose-dependently. These results suggested that using multi-target action by regulating serine proteases may be a novel AKI treatment.

Free Research Field

医療薬学

Academic Significance and Societal Importance of the Research Achievements

我が国の透析患者数は 33 万人を超え,透析患者の増加による医療費の高騰が国の財政を圧迫している。また,近年,透析導入の主な要因が急性腎障害 (AKI) であることが明らかとなっている。本研究は,セリンプロテアーゼの制御によるマルチターゲット作用を活用した新規 AKI 治療法を確立することを目的とした。異なる 2 つの AKI モデルにセリンプロテアーゼ阻害薬を投与すると,病態進展を一部抑制し,用量依存的に酸化ストレス及び炎症を抑制した。セリンプロテアーゼの制御によるマルチターゲット作用の活用が新規 AKI 治療法となり得ることが示唆され,医学・薬学・医療経済への貢献が期待される。

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Published: 2024-01-30  

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