Catalog No.S2915 Synonyms: TIMTEC-BB SBB006523
Molecular Weight(MW): 276.68
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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qRT-PCR analysis of IL1b, IL6, TNF1 and TNF2 expressions in GS cells treated with DMSO or GW9662 (10 µM and 20 µM) at 12, 24, 36 and 48 h post-treatment. The calculated data (mean ± SD) with different letters (a, b, c) were significantly different (P < 0.05).
Fish Shellfish Immunol, 2015, 43(2): 310-24. GW9662 purchased from Selleck.
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|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.|
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.  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.  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.  GW9662 (10 μM) inhibits hormone- and agonist-induced adipogenesis of primary preadipocytes from patients with thyroid eye disease. 
|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. |
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).
-  Leesnitzer LM, et al. Biochemistry, 2002, 41(21), 6640-6650.
-  Seargent JM, et al. Br J Pharmacol, 2004, 143(8), 933-937.
-  Bendixen AC, et al. Proc Natl Acad Sci U S A, 2001, 98(5), 2443-2448.
|In vitro||DMSO||55 mg/mL (198.78 mM)|
|In vivo||1% DMSO+30% polyethylene glycol+1% Tween 80||30 mg/mL|
* 1 mg/ml means slightly soluble or insoluble.
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