Role of thyroid hormones-induced oxidative stress on cardiovascular physiology

Thyroid hormones (THs) play an essential role in the maintenance of cardiovascular homeostasis and are involved in the modulation of cardiac contractility, heart rate, diastolic function, systemic vascular resistance, and vasodilation. THs have actions on cardiovascular physiology through the activa...

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Veröffentlicht in:Biochimica et biophysica acta. General subjects 2022-12, Vol.1866 (12), p.130239-130239, Article 130239
1. Verfasser: Barreiro Arcos, María Laura
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description Thyroid hormones (THs) play an essential role in the maintenance of cardiovascular homeostasis and are involved in the modulation of cardiac contractility, heart rate, diastolic function, systemic vascular resistance, and vasodilation. THs have actions on cardiovascular physiology through the activation or repression of target genes or the activation of intracellular signals through non-genomic mechanisms. Hyperthyroidism alters certain intracellular pathways involved in the preservation of the structure and functionality of the heart, causing relevant cardiovascular disorders. Reactive oxygen species (ROS) play an important role in the cardiovascular system, but the exacerbated increase in ROS caused by chronic hyperthyroidism together with regulation on the antioxidant system have been associated with the development of cardiovascular dysfunction. In this review, we analyze the role of THs-induced oxidative stress in the cellular and molecular changes that lead to cardiac dysfunction, as well as the effectiveness of antioxidant treatments in attenuating cardiac abnormalities developed during hyperthyroidism. •Thyroid hormones exert effects on the heart through genomic and non-genomic actions.•Thyroid hormones induce oxidative stress in heart tissue.•ROS modulate signaling pathways that cause changes in cardiovascular physiology.•Antioxidants could attenuate the cardiac abnormalities induced by hyperthyroidism.
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subjects Antioxidants
Cardiac dysfunction
heart
heart rate
homeostasis
Hyperthyroidism
Oxidative stress
reactive oxygen species
vasodilation
title Role of thyroid hormones-induced oxidative stress on cardiovascular physiology
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