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“In vitro, homocysteine can inhibit the thromboresistance properties of the endothelial cell by induction of procoagulant factors, inactivation of natural anticoagulant systems, and suppression of vasodilatory and platelet-modulating factors.”
“Conclusions We showed that a pathophysiological concentration of homocysteine increases the spontaneous arteriolar constriction and inhibits the 17&bgr;-estradiol-induced, endothelium-mediated, rapid vasodilatory effect on muscle arterioles from the female rat.”
“While homocysteine infusion produced no change in the mean femoral arterial blood pressure, each of these vasodilators led to a rapid and substantial dose-dependent fall in blood pressure.”
“The respect, one of the common causes of deregulation in endothelial vasodilator function have been associated with down-regulation of the NO synthesis and an increase in plasma levels of asymmetric dimethylarginine (ADMA) and homocysteine.”