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Hoffmann, R. A wiki for the life sciences where authorship matters. Nature Genetics (2008)
 

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Effects of Y-20811, a long-lasting thromboxane synthetase inhibitor, on thromboxane production and platelet function.

Effects of a new imidazole derivative, sodium 4-[alpha-hydroxy-5-(imidazolyl)-2-methylbenzyl]-3,5-dimethyl benzoate dihydrate (Y-20811), on thromboxane (TX) production and platelet aggregation were investigated. Y-20811 inhibited TX synthetase (IC50 = 2.2 X 10(-8) M) and platelet aggregation induced by arachidonic acid (AA) in human, guinea pig and rabbit platelets in vitro. Administered orally to rabbits, Y-20811 at a dose of 1 mg/kg decreased serum TXB2 concomitant with increasing 6-keto PGF1 alpha and at a dose of 3 mg/kg inhibited AA-induced platelet aggregation, in both cases for at least 48 hours. Y-20811 (0.3 mg/kg/day) administered to rabbits for 7 days decreased serum TXB2 levels by 50-90% during the medication, and these levels were restored to initial values 3 days after withdrawal of the drug. At a dose of 1 mg/kg Y-20811 protected rabbits against death induced by AA (2 mg/kg). These results indicate that Y-20811 is a selective and long-lasting TX synthetase inhibitor and an anti-aggregating agent useful in preventing thrombotic disorders.[1]

References

  1. Effects of Y-20811, a long-lasting thromboxane synthetase inhibitor, on thromboxane production and platelet function. Mikashima, H., Ochi, H., Muramoto, Y., Yasuda, H., Tsuruta, M., Maruyama, Y. Thromb. Res. (1986) [Pubmed]
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