GW 627368

Selective EP4 receptor competitive antagonist CAS# 439288-66-1

GW 627368

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Catalog No. BCC7961----Order now to get a substantial discount!

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GW 627368

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Chemical Properties of GW 627368

Cas No. 439288-66-1 SDF Download SDF
PubChem ID 5312130 Appearance Powder
Formula C30H28N2O6S M.Wt 544.62
Type of Compound N/A Storage Desiccate at -20°C
Solubility DMSO : 100 mg/mL (183.61 mM; Need ultrasonic)
H2O : < 0.1 mg/mL (insoluble)
Chemical Name N-(benzenesulfonyl)-2-[4-(4,9-diethoxy-3-oxo-1H-benzo[f]isoindol-2-yl)phenyl]acetamide
SMILES CCOC1=C2CN(C(=O)C2=C(C3=CC=CC=C31)OCC)C4=CC=C(C=C4)CC(=O)NS(=O)(=O)C5=CC=CC=C5
Standard InChIKey XREWXJVMYAXCJV-UHFFFAOYSA-N
Standard InChI InChI=1S/C30H28N2O6S/c1-3-37-28-23-12-8-9-13-24(23)29(38-4-2)27-25(28)19-32(30(27)34)21-16-14-20(15-17-21)18-26(33)31-39(35,36)22-10-6-5-7-11-22/h5-17H,3-4,18-19H2,1-2H3,(H,31,33)
General tips For obtaining a higher solubility , please warm the tube at 37 ℃ and shake it in the ultrasonic bath for a while.Stock solution can be stored below -20℃ for several months.
We recommend that you prepare and use the solution on the same day. However, if the test schedule requires, the stock solutions can be prepared in advance, and the stock solution must be sealed and stored below -20℃. In general, the stock solution can be kept for several months.
Before use, we recommend that you leave the vial at room temperature for at least an hour before opening it.
About Packaging 1. The packaging of the product may be reversed during transportation, cause the high purity compounds to adhere to the neck or cap of the vial.Take the vail out of its packaging and shake gently until the compounds fall to the bottom of the vial.
2. For liquid products, please centrifuge at 500xg to gather the liquid to the bottom of the vial.
3. Try to avoid loss or contamination during the experiment.
Shipping Condition Packaging according to customer requirements(5mg, 10mg, 20mg and more). Ship via FedEx, DHL, UPS, EMS or other couriers with RT, or blue ice upon request.

Biological Activity of GW 627368

DescriptionSelective prostanoid EP4 receptor competitive antagonist with additional affinity at TP receptors (pKi values are 7.0 and 6.8 in competition radioligand bioassays). Affinity for all other prostanoid receptors is < 5.3. Inhibits U-46619 induced human platelet aggregation.

GW 627368 Dilution Calculator

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Preparing Stock Solutions of GW 627368

1 mg 5 mg 10 mg 20 mg 25 mg
1 mM 1.8361 mL 9.1807 mL 18.3614 mL 36.7229 mL 45.9036 mL
5 mM 0.3672 mL 1.8361 mL 3.6723 mL 7.3446 mL 9.1807 mL
10 mM 0.1836 mL 0.9181 mL 1.8361 mL 3.6723 mL 4.5904 mL
50 mM 0.0367 mL 0.1836 mL 0.3672 mL 0.7345 mL 0.9181 mL
100 mM 0.0184 mL 0.0918 mL 0.1836 mL 0.3672 mL 0.459 mL
* Note: If you are in the process of experiment, it's necessary to make the dilution ratios of the samples. The dilution data above is only for reference. Normally, it's can get a better solubility within lower of Concentrations.

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Background on GW 627368

GW627368(GW627368X) is a novel, potent and selective competitive antagonist of prostanoid EP4 receptor(Ki= 100 nM) with additional human TP receptor affinity(Ki= 150 nM). IC50 value: Target: EP4 antagonist in vitro: At recombinant human prostanoid EP4 receptors expressed in HEK293 cells, GW627368X produced parallel rightward shifts of PGE2 concentration-effect (E/[A]) curves resulting in an affinity (pKb) estimate of 7.9 +/- 0.4. GW627368X appears to bind to human prostanoid TP receptors but not the TP receptors of other species. In human washed platelets, GW627368X (10 microM) produced 100% inhibition of U-46619 (EC100)-induced aggregation (approximate pA2 approximately 7.0) [1]. in vivo: Oral administration of GW627368X showed significant tumor regression characterized by tumor reduction and induction of apoptosis. Reduction in prostaglandin E2 synthesis also led to reduced level of VEGF in plasma [2].

References:
[1]. Wilson RJ, et al. GW627368X ((N-{2-[4-(4,9-diethoxy-1-oxo-1,3-dihydro-2H-benzo[f]isoindol-2-yl)phenyl]acetyl} benzene sulphonamide): a novel, potent and selective prostanoid EP4 receptor antagonist. Br J Pharmacol. 2006 Jun;148(3):326-39. [2]. Parida S, et al. Molecular inhibition of prostaglandin E2 with GW627368X: Therapeutic potential and preclinical safety assessment in mouse sarcoma model. Cancer Biol Ther. 2015 Jun 3;16(6):922-32. [3]. Mason KL, et al. Intrauterine group A streptococcal infections are exacerbated by prostaglandin E2. J Immunol. 2013 Sep 1;191(5):2457-65.

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References on GW 627368

Investigation of the agonist activity of prostacyclin analogues on prostanoid EP4 receptors using GW 627368 and taprostene: evidence for species differences.[Pubmed:15763441]

Prostaglandins Leukot Essent Fatty Acids. 2005 Apr;72(4):289-99.

The possibility that the prostacyclin analogues AFP-07 and cicaprost relax saphenous vein preparations of pig, guinea-pig and rabbit by simultaneously activating prostanoid EP4 and IP (prostacyclin) receptors was investigated using the high-affinity EP4 antagonist GW 627368. The IP receptor system in each preparation was suppressed with the partial agonist taprostene. The results indicate that AFP-07 and cicaprost are moderately potent EP4 agonists on pig saphenous vein, but much weaker EP4 agonists on guinea-pig saphenous vein. GW 627368 did not antagonise AFP-07- and cicaprost-induced relaxation of rabbit saphenous vein, which contrasts with a previous study using the EP4 blocker AH 23848. However, treatment with taprostene was of less value due to poorer antagonism of the rabbit IP system; this may be related to the presence of a sensitive EP2 relaxant system. Relaxation of each preparation induced by the selective EP2 agonist ONO-AE1-259 was unaffected by GW 627368, with and without taprostene.

GW627368X ((N-{2-[4-(4,9-diethoxy-1-oxo-1,3-dihydro-2H-benzo[f]isoindol-2-yl)phenyl]acetyl} benzene sulphonamide): a novel, potent and selective prostanoid EP4 receptor antagonist.[Pubmed:16604093]

Br J Pharmacol. 2006 Jun;148(3):326-39.

1. N-{2-[4-(4,9-diethoxy-1-oxo-1,3-dihydro-2H-benzo[f]isoindol-2-yl)phenyl]acetyl}be nzene sulphonamide (GW627368X) is a novel, potent and selective competitive antagonist of prostanoid EP4 receptors with additional human TP receptor affinity. 2. At recombinant human prostanoid EP4 receptors expressed in HEK293 cells, GW627368X produced parallel rightward shifts of PGE2 concentration-effect (E/[A]) curves resulting in an affinity (pKb) estimate of 7.9 +/- 0.4 and a Schild slpoe not significantly different from unity. The affinity was independent of the agonist used. 4. In rings of phenylephrine precontracted piglet saphenous vein, GW627368X (30-300 nM) produced parallel rightward displacement of PGE2 E/[A] curves (pKb = 9.2 +/- 0.2; slope = 1). 4. GW627368X appears to bind to human prostanoid TP receptors but not the TP receptors of other species. In human washed platelets, GW627368X (10 microM) produced 100% inhibition of U-46619 (EC100)-induced aggregation (approximate pA2 approximately 7.0). However, in rings of rabbit and piglet saphenous vein and of guinea-pig aorta GW627368X (10 microM) did not displace U-46619 E/[A] curves indicating an affinity of < 5.0 for rabbit and guinea-pig prostanoid TP receptors. 5. In functional assays GW627368X is devoid of both agonism and antagonist affinity for prostanoid CRTH2, EP2, EP3, IP and FP receptors. At prostanoid EP1 receptors, GW627368X was an antagonist with a pA2 of 6.0, and at prostanoid IP receptors the compound increased the maximum effect of iloprost by 55%. At rabbit prostanoid EP2 receptors the pA2 of GW627368X was < 5.0. 6. In competition radioligand bioassays, GW627368X had affinity for human prostanoid EP4 and TP receptors (pKi = 7.0 +/- 0.2 (n = 10) and 6.8 (n = 2), respectively). Affinity for all other human prostanoid receptors was < 5.3. 7. GW627368X will be a valuable tool to explore the role of the prostanoid EP4 receptor in many physiological and pathological settings.

Description

GW627368 (GW627368X) is a novel, potent and selective competitive antagonist of prostanoid EP4 receptor with additional human TP receptor affinity, with pKi values of 7.0 and 6.8 for human prostanoid EP4 and TP receptors respectively.

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