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GSK 0660

CAS# 1014691-61-2

GSK 0660

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Quality Control of GSK 0660

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Chemical structure

GSK 0660

3D structure

Chemical Properties of GSK 0660

Cas No. 1014691-61-2 SDF Download SDF
PubChem ID 46233311 Appearance Powder
Formula C19H18N2O5S2 M.Wt 418.49
Type of Compound N/A Storage Desiccate at -20°C
Solubility DMSO : ≥ 49 mg/mL (117.09 mM)
*"≥" means soluble, but saturation unknown.
Chemical Name methyl 3-[(4-anilino-2-methoxyphenyl)sulfamoyl]thiophene-2-carboxylate
SMILES COC1=C(C=CC(=C1)NC2=CC=CC=C2)NS(=O)(=O)C3=C(SC=C3)C(=O)OC
Standard InChIKey NDFKBGWLUHKMFY-UHFFFAOYSA-N
Standard InChI InChI=1S/C19H18N2O5S2/c1-25-16-12-14(20-13-6-4-3-5-7-13)8-9-15(16)21-28(23,24)17-10-11-27-18(17)19(22)26-2/h3-12,20-21H,1-2H3
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 GSK 0660

DescriptionSelective PPARδ antagonist (IC50 values are 0.155, > 10 and 10 μM at PPARδ, PPARα and PPARγ respectively). Exhibits inverse agonist effects when administered by itself.

GSK 0660 Dilution Calculator

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GSK 0660 Molarity Calculator

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Preparing Stock Solutions of GSK 0660

1 mg 5 mg 10 mg 20 mg 25 mg
1 mM 2.3895 mL 11.9477 mL 23.8954 mL 47.7909 mL 59.7386 mL
5 mM 0.4779 mL 2.3895 mL 4.7791 mL 9.5582 mL 11.9477 mL
10 mM 0.239 mL 1.1948 mL 2.3895 mL 4.7791 mL 5.9739 mL
50 mM 0.0478 mL 0.239 mL 0.4779 mL 0.9558 mL 1.1948 mL
100 mM 0.0239 mL 0.1195 mL 0.239 mL 0.4779 mL 0.5974 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 GSK 0660

GSK0660 is a potent antagonist of PPARβ and PPARδ, with IC50s of both 155 nM, and is nearly inactive on PPARα and PPARγ with IC50s of both >10 μM.

In Vitro:GSK0660 is a potent antagonist of PPARβ and PPARδ, with IC50s of both 155 nM, and is nearly inactive on PPARα and PPARγ with IC50s of both >10 μM. GSK0660 antagonizes 100% of the activity of PPARβ/δ with a pIC50 of 6.8. GSK0660 (100 nM) reduces CPT1a (a PPARβ/δ target gene) expression below the basal vehicle-treated level by approximately 50%, but shows no effect on PDK4 expression, which is also a PPARβ/δ target gene in skeletal muscle cells[1]. GSK0660 (0.5 μM) reduces the levels of AMPK and eNOS phosphorylation, and BMP-2, Runx-2 mRNA expression in MC3T3-E1 cells. GSK0660 (0.1 and 0.5 μM) reverses the bezafibrate-induced enchancement of ALP activity on d 7 in MC3T3-E1 cells[2]. GSK0660 (1 μM) markedly blocks GW501516-mediated attenuation of glutamate release, and the effect of GW501516 on ROS generation in BV-2 cells stimulated with LPS. Furthermore, GSK0660 significantly reduces inhibitory effect of GW501516 on the LPS-induced expression of gp91phox mRNA in BV-2 cells[3].

References:
[1]. Shearer BG, et al. Identification and characterization of a selective peroxisome proliferator-activated receptor beta/delta (NR1C2) antagonist. Mol Endocrinol. 2008 Feb;22(2):523-9. Epub 2007 Nov 1. [2]. Zhong X, et al. Bezafibrate enhances proliferation and differentiation of osteoblastic MC3T3-E1 cells via AMPK and eNOS activation. Acta Pharmacol Sin. 2011 May;32(5):591-600. [3]. Lee WJ, et al. Activation of PPARδ attenuates neurotoxicity by inhibiting lipopolysaccharide-triggered glutamate release in BV-2 microglial cells. J Cell Biochem. 2018 Feb 1.

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References on GSK 0660

Activation of Ras-ERK Signaling and GSK-3 by Amyloid Precursor Protein and Amyloid Beta Facilitates Neurodegeneration in Alzheimer's Disease.[Pubmed:28374012]

eNeuro. 2017 Mar 27;4(2). pii: eN-NWR-0149-16.

It is widely accepted that amyloid beta (Abeta) generated from amyloid precursor protein (APP) oligomerizes and fibrillizes to form neuritic plaques in Alzheimer's disease (AD), yet little is known about the contribution of APP to intracellular signaling events preceding AD pathogenesis. The data presented here demonstrate that APP expression and neuronal exposure to oligomeric Abeta42 enhance Ras/ERK signaling cascade and glycogen synthase kinase 3 (GSK-3) activation. We find that RNA interference (RNAi)-directed knockdown of APP in B103 rat neuroblastoma cells expressing APP inhibits Ras-ERK signaling and GSK-3 activation, indicating that APP acts upstream of these signal transduction events. Both ERK and GSK-3 are known to induce hyperphosphorylation of tau and APP at Thr668, and our findings suggest that aberrant signaling by APP facilitates these events. Supporting this notion, analysis of human AD brain samples showed increased expression of Ras, activation of GSK-3, and phosphorylation of APP and tau, which correlated with Abeta levels in the AD brains. Furthermore, treatment of primary rat neurons with Abeta recapitulated these events and showed enhanced Ras-ERK signaling, GSK-3 activation, upregulation of cyclin D1, and phosphorylation of APP and tau. The finding that Abeta induces Thr668 phosphorylation on APP, which enhances APP proteolysis and Abeta generation, denotes a vicious feedforward mechanism by which APP and Abeta promote tau hyperphosphorylation and neurodegeneration in AD. Based on these results, we hypothesize that aberrant proliferative signaling by APP plays a fundamental role in AD neurodegeneration and that inhibition of this would impede cell cycle deregulation and neurodegeneration observed in AD.

Transient Cerebral Ischemia Alters GSK-3beta and p-GSK-3beta Immunoreactivity in Pyramidal Neurons and Induces p-GSK-3beta Expression in Astrocytes in the Gerbil Hippocampal CA1 Area.[Pubmed:28349361]

Neurochem Res. 2017 Aug;42(8):2305-2313.

Glycogen synthase kinase 3beta (GSK-3beta) is a key downstream protein in the PI3K/Akt pathway. Phosphorylation of serine 9 of GSK-3beta (GSK-3beta activity inhibition) promotes cell survival. In this study, we examined changes in expressions of GSK-3beta and phosphorylation of GSK-3beta (p-GSK-3beta) in the gerbil hippocampal CA1 area after 5 min of transient cerebral ischemia. GSK-3beta immunoreactivity in the CA1 area was increased in pyramidal cells at 6 h after ischemia-reperfusion. It was decreased in CA1 pyramidal cells from 12 h after ischemia-reperfusion, and hardly detected in the CA1 pyramidal cells at 5 days after ischemia-reperfusion. p-GSK-3beta immunoreactivity was slightly decreased in CA1 pyramidal cells at 6 and 12 h after ischemia-reperfusion. It was significantly increased in these cells at 1 and 2 days after ischemia-reperfusion. Five days after ischemia-reperfusion, p-GSK-3beta immunoreactivity was hardly found in CA1 pyramidal cells. However, p-GSK-3beta immunoreactivity was strongly expressed in astrocytes primarily distributed in strata oriens and radiatum. In conclusion, GSK-3beta and p-GSK-3beta were significantly changed in pyramidal cells and/or astrocytes in the gerbil hippocampal CA1 area following 5 min of transient cerebral ischemia. This finding indicates that GSK-3beta and p-GSK-3beta are closely related to delayed neuronal death.

GSK-3-mediated phosphorylation couples ER-Golgi transport and nuclear stabilization of the CREB-H transcription factor to mediate apolipoprotein secretion.[Pubmed:28381424]

Mol Biol Cell. 2017 Jun 1;28(11):1565-1579.

CREB-H, an ER-anchored transcription factor, plays a key role in regulating secretion in metabolic pathways, particularly triglyceride homeostasis. It controls the production both of secretory pathway components and cargoes, including apolipoproteins ApoA-IV and ApoC-II, contributing to VLDL/HDL distribution and lipolysis. The key mechanism controlling CREB-H activity involves its ER retention and forward transport to the Golgi, where it is cleaved by Golgi-resident proteases, releasing the N-terminal product, which traffics to the nucleus to effect transcriptional responses. Here we show that a serine-rich motif termed the P-motif, located in the N-terminus between serines 73 and 90, controls release of the precursor transmembrane form from the ER and its forward transport to the Golgi. This motif is subject to GSK-3 phosphorylation, promoting ER retention, while mutation of target serines and drug inhibition of GSK-3 activity coordinately induce both forward transport of the precursor and cleavage, resulting in nuclear import. We previously showed that for the nuclear product, the P-motif is subject to multiple phosphorylations, which regulate stability by targeting the protein to the SCF(Fbw1a) E3 ubiquitin ligase. Thus phosphorylation at the P-motif provides integrated control of CREB-H function, coupling intercompartmental transport in the cytoplasm with stabilization of the active form in the nucleus.

SLM, a novel carbazole-based fluorophore attenuates okadaic acid-induced tau hyperphosphorylation via down-regulating GSK-3beta activity in SH-SY5Y cells.[Pubmed:28359686]

Eur J Pharm Sci. 2017 Dec 15;110:101-108.

Phosphorylated tau dissociates from microtubules and aggregates to form neurofibrillary tangles resulting in neuronal toxicity and cognitive deficits. Attenuating tau hyperphosphorylation is considered as an effective therapeutic approach for Alzheimer's disease (AD). From our previous study, SLM, a carbazole-based fluorophore prevents Abeta aggregation, reduced glycogen synthase kinase-3beta (GSK-3beta) activity and tau hyperphosphorylation in triple transgenic mouse model of AD. However, the mechanism by which SLM attenuates tau hyperphosphorylation warrants further investigation. In the current study, we intend to evaluate the effects of SLM against okadaic acid (OA)-induced tau hyperphosphorylation and microtubules instability in human neuroblastoma (SH-SY5Y) cells. The results showed that, SLM reduced the OA-induced cell neurotoxicity and tau hyperphosphorylation in SH-SY5Y cells. SLM treatment down-regulated GSK-3beta activity. However, in the presence of GSK-3beta inhibitor (SB216763, 10muM), SLM treatment could not reduce GSK-3beta activity and tau hyperphosphorylation as compared with SB216763 treatment alone. Furthermore, SLM treatment also ameliorated OA-induced microtubules instability and cytoskeleton damage. Collectively, SLM attenuated OA-induced tau hyperphosphorylation via down-regulating GSK-3beta activity in SH-SY5Y cells. Therefore, this study supports SLM as a potential compound for AD and other tau pathology-related neurodegenerative disorders.

Identification and characterization of a selective peroxisome proliferator-activated receptor beta/delta (NR1C2) antagonist.[Pubmed:17975020]

Mol Endocrinol. 2008 Feb;22(2):523-9.

The identification of small molecule ligands for the peroxisome proliferator-activated receptors (PPARs) has been instrumental in elucidating their biological roles. In particular, agonists have been the focus of much of the research in the field with relatively few antagonists being described and all of those being selective for PPARalpha or PPARgamma. The comparison of these agonist and antagonist ligands in cellular and animal systems has often led to surprising results and new insights into the biology of the PPARs. The PPARbeta/delta receptor is emerging as an important regulator of energy metabolism, inflammation, and cell growth and differentiation; however, only agonist ligands have been described for this receptor thus far. Here we describe the first report of a PPARbeta/delta small molecule antagonist ligand. This antagonist ligand will be a useful tool for elucidating the biological roles of PPARbeta/delta.

PPAR-delta in Vascular Pathophysiology.[Pubmed:19132133]

PPAR Res. 2008;2008:164163.

Peroxisome proliferator-activated receptors belong to the superfamily of ligand-dependent nuclear receptor transcription factors, which include three subtypes: PPAR-alpha, beta/delta, and gamma. PPAR-delta, play important roles in the regulation of cell growth and differentiation as well as tissue wound and repair. Emerging evidence has also demonstrated that PPAR-delta is implicated in lipids and glucose metabolism. Most recently, the direct effects of PPAR-delta on cardiovascular processes such as endothelial function and angiogenesis have also been investigated. Therefore, it is suggested that PPAR-delta may have critical roles in cardiovascular pathophysiology and is a potential target for therapeutic intervention of cardiovascular disorders such as atherosclerosis.

Description

GSK0660 is a potent antagonist of PPARβ and PPARδ, with IC50s of 155 nM for both isoforms.

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