Abstract
The influence of acetyl salicylic acid (ASA) derivatives with platelet-activating factor (PAF) lipid analogs on PAF-induced human platelet aggregation has been studied. It was found that the ASA amide with an ethanolamine plasmalogen PAF analog (1-0-alk-1"-enyl-2-acetyl-sn-glycero-3-phospho-(N-2"-acetoxybenzoyl)ethanolamine) and the ASA ester with a choline plasmalogen PAF analog (1-0-alk-1"-enyl-2-(2"-acetoxybenzoyl)-sn-glycero-3-phosphocholine) at concentrations of 10–7-10–6 M effectively inhibit PAF-induced aggregation of human platelets. In contrast to these compounds, the ASA amide with an alkyl PAF analog (1-0-alkyl-2-acetyl-sn-glycero-3-phospho-(N-2"-acetoxybenzoyl)ethanolamine) did not inhibit PAF-induced platelet aggregation. As possible mechanisms of action of the studied compounds, the blockade of PAF-receptor and cyclooxygenase inhibition are proposed.
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Kulikov, V.I., Muzya, G.I. Inhibition of Human Platelet Aggregation by Amides and Ester of Salicylic Acid with Platelet-Activating Factor Analogs. Biochemistry (Moscow) 66, 658–661 (2001). https://doi.org/10.1023/A:1010211415317
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DOI: https://doi.org/10.1023/A:1010211415317