SQ 29,548 is a highly selective TP receptor antagonist which binds to the human recombinant TP receptor with a Ki of 4.1 nM.1 It inhibits the aggregation of washed human platelets induced by U-46619 with an IC50 of 0.06 µM.2 It antagonizes U-46619 induced contraction of rat and guinea pig tracheal, arterial, and venous smooth muscles with drug/receptor dissociation constants (KB) in the range of 0.5-1.7 nM.3 SQ 29,548 also inhibits the contraction of rat vascular smooth muscle induced by 8-iso PGF2α.4
1Abramovitz, M., Adam, M., Boie, Y., et al. The utilization of recombinant prostanoid receptors to determine the affinities and selectivities of prostaglandins and related analogs. Biochim Biophys Acta1483285-293(2000).
2Ogletree, M.L., Harris, D.N., Greenberg, R., et al. Pharmacological actions of SQ 29,548, a novel selective thromboxane antagonist. J Pharmacol Exp Ther234435-441(1985).
3Ogletree, M.L., and Allen, G.T.Interspecies differences in thromboxane receptors: Studies with thromboxane receptor antagonists in rat and guinea pig smooth muscles. J Pharmacol Exp Ther260789-794(1992).
4Fukunaga, M., Makita, N., Roberts, L.J., et al. Evidence for the existence of F2-isoprostane receptors on rat vascular smooth muscle cells. Am J Physiol264C1619-C1624(1993).
Cayman Chemical Company regularly evaluates our shipping methods to ensure product stability is maintained and our corporate environmental impact is minimized. Products selected for review are evaluated and shipping methods are certified by our Scientists. While occasionally our method of shipping a product may change, rest assured the shipping conditions on all Cayman Chemical products have been reviewed and validated.
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Cayman Chemical was formed over thirty years ago by demonstrating the value of naturally growing gorgonian corals as a renewable, economically viable source of prostaglandins. Today we operate our business knowing that we owe our start to the renewable resources our environment had provided. As Cayman Chemical continues to grow we consistently evaluate our business processes to ensure we are operating at the highest environmental standards.
Manufacturer, supplier, and vendor of biochemical reagents, assay kits, forensic chemistry standards, antibodies, and proteins for scientific research
Analytical testing services and custom synthesis also available