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Published on: October 12, 2017
Modulation of Hypercholesterolemia-Induced Oxidative/Nitrative Stress in the Heart
Csaba Csonka1, Márta Sárközy1, Márton Pipicz1
1Department of Biochemistry, Faculty of Medicine, University of Szeged, Dóm tér 9, Szeged 6720, Hungary.
Insights
High cholesterol (hypercholesterolemia) harms the heart by increasing oxidative stress. Targeting this stress with treatments or exercise can protect the heart from damage and improve function.
Area of Science:
- Cardiology
- Metabolic Disorders
- Oxidative Stress Research
Background:
- Hypercholesterolemia is a common metabolic disorder linked to cardiovascular disease.
- Beyond promoting atherosclerosis, it directly impairs heart muscle function, causing dysfunction and injury.
Purpose of the Study:
- To review strategies for mitigating cardiac complications of hypercholesterolemia.
- To explore the role of oxidative and nitrative stress in these cardiac issues.
Main Methods:
- Review of preclinical and clinical studies.
- Analysis of interventions targeting oxidative/nitrative stress.
Main Results:
- Elevated oxidative/nitrative stress is implicated in hypercholesterolemia-related cardiac dysfunction.
- Pharmaceuticals, nutraceuticals, novel therapies, and exercise show potential in modulating this stress.
Conclusions:
- Modulating oxidative/nitrative stress is a viable strategy against hypercholesterolemia's cardiac effects.
- Interventions can potentially prevent or treat cardiac dysfunction and impaired stress adaptation.
Abstract:
Hypercholesterolemia is a frequent metabolic disorder associated with increased risk for cardiovascular morbidity and mortality. In addition to its well-known proatherogenic effect, hypercholesterolemia may exert direct effects on the myocardium resulting in contractile dysfunction, aggravated ischemia/reperfusion injury, and diminished stress adaptation. Both preclinical and clinical studies suggested that elevated oxidative and/or nitrative stress plays a key role in cardiac complications induced by hypercholesterolemia. Therefore, modulation of hypercholesterolemia-induced myocardial oxidative/nitrative stress is a feasible approach to prevent or treat deleterious cardiac consequences. In this review, we discuss the effects of various pharmaceuticals, nutraceuticals, some novel potential pharmacological approaches, and physical exercise on hypercholesterolemia-induced oxidative/nitrative stress and subsequent cardiac dysfunction as well as impaired ischemic stress adaptation of the heart in hypercholesterolemia.
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