Abstract
The increasing prevalence of metabolic syndrome and the consequent cardiovascular diseases has stimulated an active search for novel risk factors. The hormones regulating energy balance are of special interest as potential risk factor indicators of cardiovascular diseases. Ghrelin provides an attractive target for studies of atherosclerosis being a gastric peptide hormone having multiple functions including orexigenic and growth hormone-releasing effects and is also involved in the regulation of cardiovascular and immunomodulatory system. The aim of the present article is to review recent studies on the role of ghrelin in the atherosclerosis. Ghrelin seems to influence known risk factors of atherosclerosis, endothelial dysfunction, inflammation and oxidation. These themes will be covered by the present article and a summary of clinical studies of ghrelin in atherosclerosis will be given. Ghrelin plays a beneficial role in multiple processes of atherogenesis and vascular function. However, ghrelin's effects are not as strong as those of traditional known risk factors.
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