ArticleCirculation. Heart failure2018
Long-Term Caloric Restriction Improves Cardiac Function, Remodeling, Adrenergic Responsiveness, and Sympathetic Innervation in a Model of Postischemic Heart Failure.
Article in Circulation. Heart failure, 2018. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 30 papers.
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30 citing papers in PubMed, 62 citations in OpenAlex.
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- Association between energy intake patterns and outcome in US heart failure patients.Frontiers in cardiovascular medicine · 2022Article
- Aging is associated with cardiac autonomic nerve fiber depletion and reduced cardiac and circulating BDNF levels.Journal of geriatric cardiology : JGC · 2021Article
- Caloric restriction reduces sympathetic activity similar to beta-blockers but conveys additional mitochondrio-protective effects in aged myocardium.Scientific reports · 2021Article
- Cardiac Aging: From Basic Research to Therapeutics.Oxidative medicine and cellular longevity · 2021Review
- Restoration of Cardiac Function After Myocardial Infarction by Long-Term Activation of the CNS Leptin-Melanocortin System.JACC. Basic to translational science · 2021Article
- Calorie restriction delays cardiac senescence and improves cardiac function in obese diabetic rats.Molecular and cellular biochemistry · 2021Article
- Intermittent Diet in Exercise-Induced Cardiac Remodeling.Arquivos brasileiros de cardiologia · 2020Article
- Pro-Senescence and Anti-Senescence Mechanisms of Cardiovascular Aging: Cardiac MicroRNA Regulation of Longevity Drug-Induced Autophagy.Frontiers in pharmacology · 2020Review
- Both male and female obese ZSF1 rats develop cardiac dysfunction in obesity-induced heart failure with preserved ejection fraction.PloS one · 2020Article
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16 authors at 3 institutions in 2 countries.
Funding
Abstract
backgroundCaloric restriction (CR) has been described to have cardioprotective effects and improve functional outcomes in animal models and humans. Chronic ischemic heart failure (HF) is associated with reduced cardiac sympathetic innervation, dysfunctional β-adrenergic receptor signaling, and decreased cardiac inotropic reserve. We tested the effects of a long-term CR diet, started late after myocardial infarction on cardiac function, sympathetic innervation, and β-adrenergic receptor responsiveness in a rat model of postischemic HF. METHODS AND
resultsAdult male rats were randomly assigned to myocardial infarction or sham operation and 4 weeks later were further randomized to a 1-year CR or normal diet. One year of CR resulted in a significant reduction in body weight, heart weight, and heart weight/tibia length ratio when compared with normal diet in HF groups. At the end of the study period, echocardiography and histology revealed that HF animals under the CR diet had ameliorated left ventricular remodeling compared with HF rats fed with normal diet. Invasive hemodynamic showed a significant improvement of cardiac inotropic reserve in CR HF rats compared with HF-normal diet animals. Importantly, CR dietary regimen was associated with a significant increase of cardiac sympathetic innervation and with normalized cardiac β-adrenergic receptor levels in HF rats when compared with HF rats on the standard diet.
conclusionsWe demonstrate, for the first time, that chronic CR, when started after HF established, can ameliorate cardiac dysfunction and improve inotropic reserve. At the molecular level, we find that chronic CR diet significantly improves sympathetic cardiac innervation and β-adrenergic receptor levels in failing myocardium.
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