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The Role of Hyperuricemia in Cardiac Diseases: Evidence, Controversies, and Therapeutic Strategies
Yue Zheng1,2, Zhirui Chen1,2, Jinya Yang1,2
1Guangdong Provincial Engineering Technology Research Center for Molecular Diagnosis and Innovative Drugs Translation of Cardiopulmonary Vascular Diseases, University Joint Laboratory of Guangdong Province and Macao Region on Molecular Targets and Intervention of Cardiovascular Diseases, Affiliated Hospital of Guangdong Medical University, Zhanjiang 524001, China.
Insights
High uric acid levels (hyperuricemia) can harm heart cells, increasing the risk of heart disease. Lowering uric acid may help, but more research is needed to understand the exact mechanisms.
Area of Science:
- Cardiology
- Biochemistry
- Pathology
Background:
- Hyperuricemia (HUA) is linked to myocardial cell damage and adverse cardiovascular outcomes.
- HUA is associated with conditions like myocardial infarction, arrhythmias, and heart failure.
Purpose of the Study:
- To review current clinical and basic research on HUA's impact on myocardial injury.
- To explore the mechanisms by which HUA causes cardiac damage.
- To discuss therapeutic interventions for lowering uric acid in cardiovascular disease.
Main Methods:
- Review of clinical research progress.
- Analysis of basic research findings on pathological models.
- Exploration of molecular mechanisms linking HUA to myocardial injury.
Main Results:
- HUA can damage myocardial cells through inflammasome activation, impaired energy metabolism, and oxidative stress.
- Mechanisms include NOD-like receptor protein 3 inflammasome activation, interference with cardiac energy metabolism, and enhanced oxidative stress via reactive oxygen species.
- These pathways ultimately lead to decreased cardiac function.
Conclusions:
- HUA contributes to myocardial injury and cardiovascular diseases through multiple pathways.
- Lowering uric acid is a potential therapeutic strategy, but requires further investigation.
- Further research is essential to elucidate the mechanisms and develop effective treatments for HUA-related cardiovascular diseases.
Abstract:
Hyperuricemia (HUA) may lead to myocardial cell damage, thereby promoting the occurrence and adverse outcomes of heart diseases. In this review, we discuss the latest clinical research progress, and explore the impact of HUA on myocardial damage-related diseases such as myocardial infarction, arrhythmias, and heart failure. We also combined recent findings from basic research to analyze potential mechanisms linking HUA with myocardial injury. In different pathological models (such as direct action of high uric acid on myocardial cells or combined with myocardial ischemia-reperfusion model), HUA may cause damage by activating the NOD-like receptor protein 3 inflammasome-induced inflammatory response, interfering with cardiac cell energy metabolism, affecting antioxidant defense systems, and stimulating reactive oxygen species production to enhance the oxidative stress response, ultimately resulting in decreased cardiac function. Additionally, we discuss the impact of lowering uric acid intervention therapy and potential safety issues that may arise. However, as the mechanism underlying HUA-induced myocardial injury is poorly defined, further research is warranted to aid in the development novel therapeutic strategies for HUA-related cardiovascular diseases.
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