Abstract
Hypertension is one of the most frequently observed cardiovascular diseases, which precedes heart failure in 75% of its cases. It is well-established that hypertensive patients have whole body metabolic complications such as hyperlipidemia, hyperglycemia, decreased insulin sensitivity or diabetes mellitus. Since myocardial metabolism is strictly dependent on hormonal status as well as substrate milieu, the above mentioned disturbances may affect energy generation status in the heart. Interestingly, it was found that hypertension induces a shift in substrate preference toward increased glucose utilization in cardiac muscle, prior to structural changes development. The present work reports advances in the aspect of heart metabolism under high blood pressure conditions, including human and the most common animal models of hypertension.
Highlights
Hypertension is one of the most widespread diseases of civilization, in which chronically elevated blood pressure (BP) induces ventricular hypertrophy and contractile dysfunction together with its clinical manifestations
This review describes myocardial energy substrate turnover during physiological state and its changes during increased BP conditions based on the results of tests carried out on humans and animals
Studies conducted on mice lacking mitochondrial sirtuin 3 (SIRT3) have revealed that increased long-chain acyl coenzyme A dehydrogenase (LCAD) acetylation may be responsible for lower myocardial fatty acid oxidation (Hirschey et al, 2010; Chen et al, 2015)
Summary
Agnieszka Polak-Iwaniuk1*, Ewa Harasim-Symbor, Karolina Gołaszewska and Adrian Chabowski. Hypertension is one of the most frequently observed cardiovascular diseases, which precedes heart failure in 75% of its cases. It is well-established that hypertensive patients have whole body metabolic complications such as hyperlipidemia, hyperglycemia, decreased insulin sensitivity or diabetes mellitus. Since myocardial metabolism is strictly dependent on hormonal status as well as substrate milieu, the above mentioned disturbances may affect energy generation status in the heart. It was found that hypertension induces a shift in substrate preference toward increased glucose utilization in cardiac muscle, prior to structural changes development. The present work reports advances in the aspect of heart metabolism under high blood pressure conditions, including human and the most common animal models of hypertension
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