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Impaired cross-talk between NO and hyperpolarization in myoendothelial feedback: a novel therapeutic target in early endothelial dysfunction of metabolic disease.

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Over the past three decades, our view of the endothelium rapidly evolved from a static lining of the blood vessels to a dynamic determinant and regulator of vascular tone and… Click to show full abstract

Over the past three decades, our view of the endothelium rapidly evolved from a static lining of the blood vessels to a dynamic determinant and regulator of vascular tone and homeostasis. It is now widely accepted that endothelial dysfunction is a hallmark of almost every vascular pathology, either as a cause or a consequence. The tight association between the metabolic disease spectrum, ranging from mild alterations of blood lipids profile all the way to diabetes and morbid obesity; and vascular complications argues for a deleterious endothelial remodeling in these conditions. Extensive research demonstrated endothelial changes in these conditions including reduced endothelial nitric oxide activity, altered response to endothelium-dependent hyperpolarization, and increased production of contractile agents. For the most part, studies investigated different aspects of endothelial function in isolation of each other. In this review, we propose a model of an integrated endothelial response and offer an alternative view for potential dysfunction early in the course of metabolic disease continuum. In such a framework, only slight changes in the expression/function of molecular players in one endothelium-dependent pathway would be sufficient to trigger a cascade of events compromising endothelial function. We will also consider the available data describing the possible effects of intervention with different therapeutic agents on endothelial function early in the course of metabolic disease.

Keywords: hyperpolarization; metabolic disease; disease; function; endothelial dysfunction

Journal Title: Current opinion in pharmacology
Year Published: 2019

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