نتایج جستجو برای: anti platelet aggregation
تعداد نتایج: 525049 فیلتر نتایج به سال:
Cilostazol is clinically used for the treatment of ischemic symptoms in patients with chronic peripheral arterial obstruction and for the secondary prevention of brain infarction. Recently, it has been reported that cilostazol has preventive effects on atherogenesis and decreased serum triglyceride in rodent models. There are, however, few reports on the evaluation of cilostazol using atheroscl...
We and others have recently defined that Platelet Endothelial Cell Adhesion Molecule-1 (PECAM-1/CD31) functions as a negative regulator of platelet-collagen interactions involving the glycoprotein VI/Fc receptor gamma chain (GPVI/FcR-gamma chain) signaling pathway.1,2 In this study, we hypothesized that PECAM-1 may be physically and functionally associated with Fc gamma RIIa on the platelet mem...
Eptifibatide is the active substance of the medicinal product Integrilin. Eptifibatide is an anti-platelet agent with high affinity and specificity for the Glycoprotein (GP) IIb/IIIa receptor that mediates platelet aggregation. Eptifibatide is an inhibitor of platelet aggregation and belongs to a new class of RGD mimeticsarginin (R), glycin (G), aspartic acid (D). Eptifibatide reversibly inhibi...
Dietary sources of polyphenols, which are derivatives and/or isomers of flavones, isoflavones, flavonols, catechins and phenolic acids, possess antioxidant properties and therefore might be important in preventing oxidative-stress-induced platelet activation and attenuating adverse haemostatic function. Free radicals, including reactive oxygen and nitrogen species, promote oxidative stress, lea...
In the present study, the chemical investigation of the bioactive fractions of the rhizomes of Zingiber officinale has resulted in the identification of twenty-nine compounds including one new compound, O-methyldehydrogingerol. Some of the isolates were subjected into the evaluation of their antiplatelet aggregation and vasorelaxing bioactivities. Among the tested compounds, [6]-gingerol and [6...
Adult peripheral blood angiogenic early outgrowth cells (EOCs), also known as early endothelial progenitor cells, interact with other blood and vascular cells and may regulate atherothrombosis. We have previously shown that endothelial progenitor cells inhibit platelet function and thrombus formation. The CD40L/CD40 axis is a thrombo- inflammatory mediator that affects platelet and endothelial ...
OBJECTIVES Aspirin is the mainstay of anti-platelet therapy in the secondary prevention of cardiovascular disease. However, problems with aspirin safety and resistance demand clinical strategies based on multiple pharmacological approaches. Prodrugs of aspirin may offer beneficial effects in terms of gastro-intestinal safety and multiple pharmacological approaches. However, the pharmacological ...
Occupancy of integrin receptors induces conformational changes in the receptor, resulting in exposure of novel interactive sites termed ligand-induced binding sites (LIBS). We report here that Fab fragments of certain antibodies against LIBS on integrin alpha IIb beta 3 (platelet glycoprotein IIb-IIIa) block platelet aggregation. Thus, certain LIBS or the regions surrounding them may participat...
Orthovanadate (vanadate) inhibited the platelet aggregation induced by platelet-activating factor (PAF) in a dose-dependent manner. Propranolol, a nonspecific beta-adrenergic receptor antagonist, and H-8, a selective inhibitor of cAMP-dependent protein kinase (PKA), suppressed the inhibition of the PAF-induced platelet aggregation by vanadate. Vanadate increased the cAMP content in platelets ac...
BACKGROUND Sulfatides are sulfated glycosphingolipids present on the surface of oligodendrocytes, renal tubular cells, and certain tumor cells. They appear to be involved in nerve conduction and cell adhesion, but their precise physiological function is not known. METHODS AND RESULTS Here, we show a novel role for sulfatides as a major ligand for P-selectin in platelet adhesion and aggregatio...
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