نتایج جستجو برای: p2y12 receptor
تعداد نتایج: 591166 فیلتر نتایج به سال:
Adenosine diphosphate (ADP) is a platelet agonist that causes platelet shape change and aggregation as well as generation of thromboxane A2, another platelet agonist, through its effects on P2Y1, P2Y12, and P2X1 receptors. It is now reported that both 2-propylthio-D-dichloromethylene adenosine 5 -triphosphate (AR-C67085), a P2Y12 receptor–selective antagonist, and adenosine-2 -phosphate-5 -phos...
The involvement of platelets in tumor progression is well recognized. The depletion of circulating platelets or pharmacologic inhibitors of platelet activation decreases the metastatic potential of circulating tumor cells in metastasis mouse models. The platelet ADP receptor P2Y12 amplifies the initial hemostatic responses activated by a variety of platelet agonists and stabilizes platelet aggr...
OBJECTIVE P2 receptors have been implicated in the release of neurotransmitter and pro-inflammatory cytokines due to their response to neuroexcitatory substances in the microglia. Dorsal horn P2Y12 and P2Y13 receptors are involved in the development of pain behavior induced by peripheral nerve injury. However, it is not known whether P2Y12 and P2Y13 receptors activation is associated with the e...
Platelet P2Y12 receptor antagonism with clopidogrel has represented a major advancement in the pharmacological management of patients with atherothrombotic disease, in particular those with acute coronary syndromes and undergoing percutaneous coronary interventions. Despite the benefit associated with clopidogrel therapy in these high risk settings, laboratory and clinical experience have led t...
Adenosine diphosphate (ADP) is a platelet agonist that causes platelet shape change and aggregation as well as generation of thromboxane A2, another platelet agonist, through its effects on P2Y1, P2Y12, and P2X1 receptors. It is now reported that both 2-propylthio-D-dichloromethylene adenosine 5 -triphosphate (AR-C67085), a P2Y12 receptor–selective antagonist, and adenosine-2 -phosphate-5 -phos...
2013; 109: 347-355. In this issue of Thrombosis and Haemostasis, Saucedo et al. (1) demonstrate that the prevalence of high on-treatment platelet reactivity was decreased after changing clopidogrel to prasugrel. It is perhaps appealing that the patients with adverse “high on-treatment platelet reactivity (HPR)” with clopidogrel was reduced when switched to prasugrel. From a scientific point of ...
Platelet P2Y12 inhibitors form a major part of the treatment strategy for patients with acute coronary syndromes (ACS) due to the importance of the platelet P2Y12 receptor in mediating the pathophysiology of arterial thrombosis. It has been increasingly recognised that platelets also have a critical role in inflammation and immune responses. P2Y12 inhibitors reduce platelet release of pro-infla...
P2Y 12 receptor antagonists, concurrently administered with aspirin in what has come to be commonly called dual antiplatelet therapy, are a mainstay of treatment for patients with acute coronary syndromes. Morphine, on the contrary, is a commonly used drug in the acute phase of acute coronary syndromes to relieve pain—with the added potential benefit of attenuating acutely raised sympathetic to...
Thrombin is an important agonist for platelet activation and plays a major role in hemostasis and thrombosis. Thrombin activates platelets mainly through protease-activated receptor 1 (PAR1), PAR4, and glycoprotein Ib. Because adenosine diphosphate and thromboxane A2 have been shown to cause platelet aggregation by concomitant signaling through Gq and Gi pathways, we investigated whether coacti...
Adenosine-50-diphosphate (ADP) plays a key role in platelet function, because, although ADP itself is a weak platelet agonist, when secreted from the platelet dense granules where it is stored, it amplifies the platelet responses induced by other platelet agonists. The transduction of the ADP signal involves both a transient rise in free cytoplasmic calcium mediated by the Gq-coupled P2Y1 recep...
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