BW 245C was investigated for the affinities potencies, and intrinsic activities in comparison with other natural and synthetic prostanoids using endogenous receptors. The rank order of compound affinities at the DP receptor was SQ27986 (K(i) = 10 +/- 2 nM) > RS93520 = ZK110841 = BW245C (K(i) = 23-26 nM) > ZK118182 (K(i) = 50 +/- 9 nM) > PGD(2) (K(i) = 80 +/- 5 nM). DP receptor agonists produced cAMP in embryonic bovine tracheal fibroblasts with different potencies (EC(50) values in nM): ZK118182 (18 +/- 6), RS93520 (28 +/- 6), SQ27986 (29 +/- 7), ZK110841 (31 +/- 7), BW245C (53 +/- 16), and PGD(2) (98 +/- 10). BW245C was more efficacious and RS93520 was less efficacious.
Caratteristiche e vantaggi
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The Journal of pharmacology and experimental therapeutics, 293(2), 321-328 (2000-04-25)
The prostanoid receptor-subtype binding affinities, selectivities, potencies, and intrinsic activities of four natural prostanoids and six synthetic DP class prostanoids were determined using binding and functional assays with endogenous receptors. SQ27986 exhibited the highest affinity for the human platelet DP
Clinical and experimental allergy : journal of the British Society for Allergy and Clinical Immunology, 34(8), 1283-1290 (2004-08-10)
Both prostaglandin (PG) D receptor (DP) and CRTH2 (chemoattractant receptor-homologous molecule expressed on Th2 cells)/DP2 are high-affinity receptors for PGD2. Previous studies have demonstrated that PGD2 enhances releasability and induces CRTH2/DP2-mediated migration in human basophils, but the precise effects of
The Journal of pharmacology and experimental therapeutics, 335(2), 472-479 (2010-08-20)
Prostaglandin (PG) D(2) exerts contrasting activities in the inflamed lung via two receptors, the D prostanoid receptor (DP) and the chemoattractant receptor-homologous molecule expressed on T helper 2 lymphocytes. DP activation is known mainly to inhibit proinflammatory cell functions. We
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