Role of P2Y1 purinoceptor in ADP-induced platelet activation

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منابع مشابه

Dimorphism in the P2Y1 ADP receptor gene is associated with increased platelet activation response to ADP.

OBJECTIVE The platelet ADP receptors P2Y1 and P2Y12 play a pivotal role in platelet aggregation. There is marked interindividual variation in platelet response to ADP. We studied whether genetic variants in the P2Y1 or P2Y12 genes affect platelet response to ADP. METHODS AND RESULTS The P2Y1 and P2Y12 genes were screened for polymorphisms. Associations between selected polymorphisms and the p...

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Calmodulin interacts with the platelet ADP receptor P2Y1.

P2Y1 [P2 (purinergic type-2)-receptor 1] is a G-protein-coupled ADP receptor that regulates platelet activation and ADP-induced Ca2+ signalling. Studies using P2Y1-knockout mice, G(q)-deficient mice or P2Y1-selective inhibitors have previously identified a key role for P2Y1 in pathophysiological thrombus formation at high shear stress. We provide evidence that a positively charged juxtamembrane...

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Defective ADP-induced platelet factor 3 activation in uremia.

P ATIENTS \VITH UREMIA frequently have both prolonged bleeding times,11#{176} suggesting poor platelet plug formation, and impaired prothrombin consumption,1’2’46’#{176}14 ascribed to defective platelet factor 3 activalion. Considerable evidence points to the presence of a qualitative platelet defect in uremia, since such abnormalities cannot be attributed to the mild thrombocytopenia occasiona...

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Platelet Activation and Clopidogrel Effects on ADP‐Induced Platelet Activation in Cats with or without the A31P Mutation in MYBPC3

BACKGROUND Clopidogrel is commonly prescribed to cats with perceived increased risk of thromboembolic events, but little information exists regarding its antiplatelet effects. OBJECTIVE To determine effects of clopidogrel on platelet responsiveness in cats with or without the A31P mutation in the MYBPC3 gene. A secondary aim was to characterize variability in feline platelet responses to clop...

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Multistep Reaction in ADP-induced Platelet Aggregation*

The influence of divalent ions and ADP on the induction, relaxation, and stability of the ADP-induced platelet receptor for fibrinogen was investigated. Platelets, isolated by differential sedimentation and gel filtration in calciumand magnesium-free buffer, exhibited a well defined shape change upon ADP stimulation, but aggregation occurred only when calcium or magnesium were added. ‘“I-Fibrin...

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ژورنال

عنوان ژورنال: FEBS Letters

سال: 1998

ISSN: 0014-5793

DOI: 10.1016/s0014-5793(98)00025-8