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2023 Fiscal Year Final Research Report

APE1 as a diagnostic and therapeutic target molecule of viral myocardial damage

Research Project

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Project/Area Number 21K08021
Research Category

Grant-in-Aid for Scientific Research (C)

Allocation TypeMulti-year Fund
Section一般
Review Section Basic Section 53020:Cardiology-related
Research InstitutionAsahikawa Medical College

Principal Investigator

Hasebe Naoyuki  旭川医科大学, 医学部, 名誉教授 (30192272)

Project Period (FY) 2021-04-01 – 2024-03-31
KeywordsAPE1 / ウイルス性心筋炎 / HFrEF / バイオマーカー / アポトーシス
Outline of Final Research Achievements

In a mouse model of viral myocarditis, APE1 was found to increase over time after the onset of myocarditis, suggesting its significance as a condition-specific biomarker in comparison with the temporal variation of conventionally used biomarkers of myocardial injury. Myocardial induction of APE1 also reduced myocardial tissue damage via inhibition of apoptotic mechanism, especially in the ischemic region, and inhibited cardiac remodeling, suggesting that APE1 may be a new therapeutic target molecule in viral myocarditis. Based on the results of this study, further studies will be conducted to establish the significance of APE1 as a new diagnostic and therapeutic target molecule in myocardial injury and cardiac dysfunction caused by viral myocarditis in general.

Free Research Field

心機能

Academic Significance and Societal Importance of the Research Achievements

COVID-19パンデミックにより改めてウイルス性心筋炎による心筋傷害および心機能障害が注目されている。心筋傷害の程度に依存して心筋APE1発現量が増加することから、心筋傷害の診断のバイオマーカーとして診断的意義が想定された。また、APE1の心筋導入がアポトーシスの抑制機序を介して、心筋組織障害の軽減と心リモデリング抑制効果が示唆され、新たな治療標的分子となる可能性が示唆された。本研究の結果により、APE1が広くウイルス性心筋炎による心筋傷害および心機能障害に対する新たな診断・治療標的分子と
なる可能性が示唆され、今後更なる研究成果の集積が期待される。

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Published: 2025-01-30  

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