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2018 Fiscal Year Final Research Report

Role of IL-18 on blood pressure regulation

Research Project

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Project/Area Number 16K09643
Research Category

Grant-in-Aid for Scientific Research (C)

Allocation TypeMulti-year Fund
Section一般
Research Field Kidney internal medicine
Research InstitutionEhime University

Principal Investigator

Takafumi Okura  愛媛大学, 医学系研究科, 寄附講座教授 (40260385)

Research Collaborator Miyoshi Ken-ichi  
Nagao Tomoaki  
Project Period (FY) 2016-04-01 – 2019-03-31
Keywords高血圧 / Interleukin-18 / NaCl-co-transporter
Outline of Final Research Achievements

An increase in inflammatory cytokines is observed in hypertensive patients, which results in a further increase in blood pressure. We have reported that in Interleukin (IL)-18 deficient mice, even with induction of hypertension, the rise in blood pressure is mild. It is also reported that NaCl co-transporter (NCC) is one of the receptors for IL-18. Therefore, we considered that IL-18 might be involved in elevated blood pressure by activating NCC. However, in this study, it was not possible to clarify that activation of NCC is involved in blood pressure regulation.

Free Research Field

高血圧

Academic Significance and Societal Importance of the Research Achievements

高血圧患者では、血圧が高いだけでなく、様々な炎症性サイトカインが増加しており、動脈硬化促進に関与している。また、増加したサイトカインが直接血圧を上昇させることも知られている。本研究では、IL-18がNaCl-co-transporter (NCC) を介して、血圧調節に関与している可能性を考え研究を行った。本研究で、IL-18とNCCとの直接の関連性を明らかにすることはできなかったが、両者の関係が血圧に関連している可能性は極めて高く、今後のさらなる研究の発展が望まれる。

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Published: 2020-03-30  

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