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BW A868C is a hydantoin compound that is structurally related to the DP receptor agonist BW 245C.1,2 BW A868C antagonizes the prostaglandin D2 and BW 245C-induced activation of human platelet adenylate cyclase. It reverses the anti-aggregatory effects of DP receptor agonists in a dose-dependent manner. Likewise, BW A868C antagonizes the accumulation of cAMP in rabbit non-pigmented ciliary epithelial cells.3 It has virtually no effect on human TP, IP, EP1, EP2, and FP receptors. The Ki for BW A868C is approximately 1.7 nM.4
1
Caldwell, A.G., Harris, C.J., Stepney, R., et al. Hydantoin prostaglandin analogues, potent and selective inhibitors of platelet aggregation. J Chem Soc Chem Commun561-562(1979).
2
Trist, D.G., Collins, B.A., Wood, J., et al. The antagonism by BW A868C of PGD2 and BW245C activation of human platelet adenylate cyclase. Br J Pharmacol96301-306(1989).
3
Bhattacherjee, P., Jacobs, N., Coca-Prados, M., et al. Identification of prostanoid receptors in rabbit non-pigmented ciliary epithelial cells. Exp Eye Res62491-498(1996).
4
Giles, H., Leff, P., Bolofo, M.L., et al. The classification of prostaglandin DP-receptors in platelets and vasculature using BW A868C, a novel, selective and potent competitive antagonist. Br J Pharmacol96291-300(1989).
Caldwell, A.G., Harris, C.J., Stepney, R., et al. Hydantoin prostaglandin analogues, potent and selective inhibitors of platelet aggregation. J Chem Soc Chem Commun561-562(1979).
Bhattacherjee, P., Jacobs, N., Coca-Prados, M., et al. Identification of prostanoid receptors in rabbit non-pigmented ciliary epithelial cells. Exp Eye Res62491-498(1996).
Trist, D.G., Collins, B.A., Wood, J., et al. The antagonism by BW A868C of PGD2 and BW245C activation of human platelet adenylate cyclase. Br J Pharmacol96301-306(1989).
Giles, H., Leff, P., Bolofo, M.L., et al. The classification of prostaglandin DP-receptors in platelets and vasculature using BW A868C, a novel, selective and potent competitive antagonist. Br J Pharmacol96291-300(1989).