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BACKGROUND Persistently high plasma endothelin-1 (ET-1) levels in diabetic patients have been associated with the development of cardiac fibrosis, which results from the deposition of extracellular matrix and fibroblast recruitment from an as-yet unknown source. The underlying mechanism, however, remains elusive. Here, we hypothesize that ET-1 might(More)
Several studies have shown that leptin, the product of the obese gene, may link obesity with cardiovascular diseases, and in particular with cardiac hypertrophy. In vitro studies suggest that the mechanism by which leptin causes cardiac hypertrophy involves the upregulation of endogenous endothelin-1 (ET-1), a potent vasoconstrictor and mitogen. Whether(More)
AIMS Although endothelin-1 (ET-1) has been suggested to contribute to the pathogenesis of neointima formation and atherosclerosis, the individual roles of ET-1 derived from certain cell types in this disease remain unclear. In this study, we determined the role of vascular endothelial ET-1 on vascular inflammation and neointima formation using vascular(More)
We herein report two cases of pregnant women who had chronic hypertension caused by renovascular hypertension due to multiple intrarenal microaneurysms from unknown causes, who had similar clinical courses. During the first pregnancy, both women developed uncontrollable severe hypertension that finally led to superimposed preeclampsia; however, during the(More)
The increased plasma Endothelin-1 (ET-1) level has been associated with development of insulin resistance in obese and hypertensive patients. However, the underlying mechanism remains elusive. Here we investigate the potential role of endothelial cell-derived ET-1 in mediating insulin resistance induced by high-salt diet. To address this issue, we used(More)
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