GW9662

Catalog No.S2915

GW9662 is a selective PPAR antagonist for PPARγ with IC50 of 3.3 nM in a cell-free assay, with at least 100 to 1000-fold functional selectivity in cells with PPARγ versus PPARα and PPARδ.

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GW9662 Chemical Structure

GW9662 Chemical Structure
Molecular Weight: 276.68

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Product Description

Biological Activity

Description GW9662 is a selective PPAR antagonist for PPARγ with IC50 of 3.3 nM in a cell-free assay, with at least 100 to 1000-fold functional selectivity in cells with PPARγ versus PPARα and PPARδ.
Targets PPARγ [1]
(Cell-free assay)
PPARα [1]
(Cell-free assay)
PPARδ [1]
(Cell-free assay)
IC50 3.3 nM 32 nM 2 μM
In vitro GW9662 binds to Cys(285) on PPARgamma which is conserved among all three PPARs. GW9662 acts as an antagonist of PPARgamma which is confirmed in an assay of adipocyte differentiation inhibition. [1] GW9662 prevents activation of PPARγ and inhibits growth of human mammary tumour cell lines (MCF7, MDA-MB-468, MDA-MB-231) with IC50 of 20 μM-30 μM, suggesting either the existence of PPARγ agonistic properties of GW9662 or growth-inhibitory mechanisms independent of PPARγ. Co-treatment with both Rosiglitazone (50 μM) and GW9662 (10 μM) results in statistically lower viable cell numbers after 7 days in MDA-MB-231 cells. [2] PPARγ1 ligands could suppress RANKL-induced osteoclast formation in primary murine myeloid (BMs) and RAW264.7 cells. Importantly, suppression by these ligands is reversed in a concentration-dependent fashion with GW 9662 (2 μM). GW 9662 (2 μM) blocks IL-4 suppression of osteoclast formation in BMs. GW 9662 (1 μM) blocks RANKL activation of NF-κB in RAW264.7 cells. [3] GW9662 (10 μM) inhibits hormone- and agonist-induced adipogenesis of primary preadipocytes from patients with thyroid eye disease. [4]
In vivo Pretreatment with LPS (1 mg/kg i.p.) significantly attenuates all markers of renal injury and dysfunction caused by ischemia/reperfusion (I/R) injury in rats. Most notably, GW9662 (1 mg/kg i.p.) abolishes the protective effects of LPS. [5]
Features

Protocol(Only for Reference)

Kinase Assay: [2]

Binding assay The human PPARα, PPARγ, and PPARδ ligand binding domains (LBDs) are expressed in E. coli as polyhistidine-tagged fusion proteins. Receptors are immobilized on SPA beads by addition of the desired receptor (15 nM) to a slurry of streptavidin-modifed SPA beads (0.5 mg/mL) in assay buffer. The mixture is allowed to equilibrate for at least 1 hour at room temperature, and the beads are pelleted by centrifugation at 1×103 g. The supernate is discarded, and the beads are resuspended in the original volume of fresh assay buffer with gentle mixing. The centrifugation/resuspension procedure is repeated, and the resulting slurry of receptor-coated beads is used immediately or stored at 4 ℃ for up to 1 week before use. [3H]GW2443 are used as radioligands for determination of competition binding to PPARα, PPARγ, and PPARδ, respectively. Unless otherwise indicated, the buffer used for all assays is 50 mM HEPES (pH 7), 50 mM NaCl, 5 mM CHAPS, 0.1 mg/mL BSA, and 10 mM DTT. For some experiments, the HEPES (pH 7) is replaced with 50 mM Tris (pH 8).

Cell Assay: [1]

Cell lines MDA-MB-231 cells
Concentrations 10 μM
Incubation Time 10 days
Method MDA-MB-231 cells are seeded at a density of 1 × 105 cells per 25 cm3 tissue culture flask. After 24 h (day 0), the growth medium is replaced with fresh medium containing rosiglitazone (50 μM), GW9662 (10 μM) or both together. Control flasks receives 0.1% DMSO. Cells are harvested on days 0, 3, 5, 7, 10 for each treatment condition by trypsinisation, stained using trypan blue, and the total and viable number of cells per flask calculates using a haemocytometer.

Animal Study: [5]

Animal Models male Wistar rats
Formulation 10% (v/v) DMSO
Dosages 1 mg/kg
Administration intraperitoneal injection

Conversion of different model animals based on BSA (Value based on data from FDA Draft Guidelines)

SpeciesMouseRatRabbitGuinea pigHamsterDog
Weight (kg)0.020.151.80.40.0810
Body Surface Area (m2)0.0070.0250.150.050.020.5
Km factor36128520
Animal A (mg/kg) = Animal B (mg/kg) multiplied by  Animal B Km
Animal A Km

For example, to modify the dose of resveratrol used for a mouse (22.4 mg/kg) to a dose based on the BSA for a rat, multiply 22.4 mg/kg by the Km factor for a mouse and then divide by the Km factor for a rat. This calculation results in a rat equivalent dose for resveratrol of 11.2 mg/kg.

Rat dose (mg/kg) = mouse dose (22.4 mg/kg) ×  mouse Km(3)  = 11.2 mg/kg
rat Km(6)
1

References

[1] Leesnitzer LM, et al. Biochemistry, 2002, 41(21), 6640-6650.

[2] Seargent JM, et al. Br J Pharmacol, 2004, 143(8), 933-937.

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Chemical Information

Download GW9662 SDF
Molecular Weight (MW) 276.68
Formula

C13H9ClN2O3

CAS No. 22978-25-2
Storage 3 years -20℃powder
2 years -80℃in solvent
Synonyms TIMTEC-BB SBB006523
Solubility (25°C) * In vitro DMSO 55 mg/mL (198.78 mM)
Water <1 mg/mL
Ethanol <1 mg/mL
In vivo 1% DMSO+30% polyethylene glycol+1% Tween 80 30 mg/mL
* <1 mg/ml means slightly soluble or insoluble.
* Please note that Selleck tests the solubility of all compounds in-house, and the actual solubility may differ slightly from published values. This is normal and is due to slight batch-to-batch variations.
Chemical Name Benzamide, 2-chloro-5-nitro-N-phenyl-

Tech Support

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Cell Lines Assay Type Concentration Incubation Time Formulation Activity Description PMID
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