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“ Aspirin inhibits TXAa-dependent platelet functions by irreversibly acetylating platelet cyclooxygenase, the enzyme which converts arachidonate released from membrane phospholipids into prostaglandin endoperoxides [6].”
Journal of thrombosis and haemostasis : JTH • 2006 | View Paper
“A single dose of oral aspirin in human subjects inhibits the aggregation response of platelets to arachidonate and other agents for approximately one week after ingestion.”
“However, the arachidonate induced coronary relaxation was inhibited by pretreatment with PG synthetase inhibitors, indomethacin, meclofenemate and aspirin.”
Clinical and applied thrombosis/hemostasis : official journal of the International Academy of Clinical and Applied Thrombosis/Hemostasis • 2005 | View Paper
“BACKGROUND Aspirin inhibits cyclooxygenase activity and modifies production of the arachidonate cascade in aspirin-induced asthma.”
“Platelet activation induced by a low level of arachidonate (0.1-5 micrograms/ml) was inhibited by aspirin , but activation induced by a high level of arachidonate (10-50 micrograms/ml) was not.”