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2023 Fiscal Year Final Research Report

Role of Resolvin E3 for allergic airway inflammation

Research Project

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Project/Area Number 20K22865
Research Category

Grant-in-Aid for Research Activity Start-up

Allocation TypeMulti-year Fund
Review Section 0902:General internal medicine and related fields
Research InstitutionGunma University

Principal Investigator

Sato Makiko  群馬大学, 医学部附属病院, 医員 (10873606)

Project Period (FY) 2020-09-11 – 2024-03-31
Keywords喘息 / 脂質メディエーター / レゾルビン
Outline of Final Research Achievements

Resolvins are products of ω-3 fatty acids with potent anti-inflammatory properties. ResolvinE3 (RvE3) is a newly identified anti-inflammatory lipid mediator. We also investigated the role of RvE3 in a murine model of HDM-induced airway inflammation. We created RvE3 derivatives and analyzed its effect at the cellular level. We designed and synthesized RvE3 derivatives as oxidatively stable congeners to avoid the unstable bisallylic structure. They suppressed the production of IL-23 from bone marrow derived dendritic cells and suppressed the production of TGF-TGF-β from monocyte. These findings suggest that RvE3 derivatives may be key substituents for the potent anti-inflammatory effect.

Free Research Field

アレルギー性気道炎症

Academic Significance and Societal Importance of the Research Achievements

RvE3は炎症収束の効果が期待できる内在性の炎症収束物質であり、副作用が少なく、安全性が高い、これまでにない新しい創薬研究につながると期待できる。本研究は、生体が本来持つ恒常性維持機能を利用して炎症を制御するという特異なアプローチであり、学術的独自性がある。さらに、RvE3の臨床応用への障壁であった生体内での不安定性を改善した誘導体を作製しており、これらを用いた細胞レベルでの解析の結果、抗炎症性作用を確認できたことは、創薬の対象として検討できる可能性があると考えている。

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Published: 2025-01-30  

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