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Updated: Aug 20, 2025
Improved Rodent Model of Myocardial Ischemia and Reperfusion Injury
Published on: March 7, 2022
Advances in the study of nicotinamide adenine dinucleotide phosphate oxidase in myocardial remodeling
Runran Miao1, Libo Wang1,2, Zhigang Chen1,3,4
1Department of Cardiology, The First Affiliated Hospital of Xinxiang Medical University, Heart Center of Xinxiang Medical University, Xinxiang, China.
Insights
NADPH oxidase family (NOXs) enzymes contribute to heart failure development by regulating myocardial remodeling. Targeting NOXs-dependent pathways offers a promising therapeutic strategy for heart failure treatment.
Area of Science:
- Cardiology
- Molecular Biology
- Biochemistry
Background:
- Myocardial remodeling is a primary driver of heart failure, characterized by cardiomyocyte hypertrophy, apoptosis, fibrosis, and cardiac dysfunction.
- Chronic stress exacerbates myocardial remodeling, leading to significant global health and economic burdens.
- The NADPH oxidase (NOX) family generates redox signals and is implicated in the pathogenesis of heart failure.
Purpose of the Study:
- To review the role of NOX enzymes in the pathophysiological processes of myocardial remodeling.
- To explore NOX-dependent mechanisms regulating myocardial remodeling in heart failure.
- To identify NOX pathways as potential therapeutic targets for heart failure.
Main Methods:
- Literature review of studies on NOX enzymes and myocardial remodeling.
- Analysis of research on the involvement of NOX family members in heart failure pathogenesis.
- Synthesis of current understanding of NOX-dependent signaling in cardiac pathophysiology.
Main Results:
- NOX enzymes are highly expressed in the heart and play a critical role in pathological myocardial remodeling.
- NOX-mediated redox signaling contributes to cardiomyocyte hypertrophy, apoptosis, and fibrosis.
- Dysregulation of NOX activity is linked to the progression of heart failure.
Conclusions:
- NOX enzymes are key regulators of myocardial remodeling and heart failure development.
- NOX-dependent mechanisms represent promising therapeutic targets for heart failure.
- Further research into NOX pathways could lead to novel treatment strategies for heart failure.
Abstract:
Myocardial remodeling is a key pathophysiological basis of heart failure, which seriously threatens human health and causes a severe economic burden worldwide. During chronic stress, the heart undergoes myocardial remodeling, mainly manifested by cardiomyocyte hypertrophy, apoptosis, interstitial fibrosis, chamber enlargement, and cardiac dysfunction. The NADPH oxidase family (NOXs) are multisubunit transmembrane enzyme complexes involved in the generation of redox signals. Studies have shown that NOXs are highly expressed in the heart and are involved in the pathological development process of myocardial remodeling, which influences the development of heart failure. This review summarizes the progress of research on the pathophysiological processes related to the regulation of myocardial remodeling by NOXs, suggesting that NOXs-dependent regulatory mechanisms of myocardial remodeling are promising new therapeutic targets for the treatment of heart failure.
