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

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The thromboxane A2/prostaglandin endoperoxide receptor antagonist activity of CV-4151, a thromboxane A2 synthetase inhibitor.

The thromboxane A2/prostaglandin endoperoxide (TXA2/PGH2) receptor antagonist activity of CV-4151, a potent TXA2 synthetase inhibitor, was examined. CV-4151 inhibited guinea pig and human platelet aggregation induced by U-44069 with IC50 values of 1.2 +/- 0.3 X 10(-5) and 1.9 +/- 0.4 X 10(-5) M, respectively, and inhibited the specific binding of [3H]U-46619 to washed guinea pig and human platelets with IC50 values of 1.2 +/- 0.3 X 10(-6) and 5.1 +/- 1.0 X 10(-6) M, respectively. CV-4151 competitively inhibited the contraction of rabbit aortic strips induced by U-44069 with a pA2 value of 5.90. In experiments in mice in vivo, CV-4151 (1 and 10 mg/kg i.v.) significantly inhibited the thrombocytopenia induced by U-44069 in a dose-dependent manner. These results show that CV-4151 has a distinct TXA2/PGH2 receptor antagonist effect, and that this effect together with its inhibition of TXA2 synthetase could be important for the pharmacological action of this compound.[1]

References

  1. The thromboxane A2/prostaglandin endoperoxide receptor antagonist activity of CV-4151, a thromboxane A2 synthetase inhibitor. Imura, Y., Terashita, Z., Shibouta, Y., Nishikawa, K. Eur. J. Pharmacol. (1988) [Pubmed]
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