PSN632408

Human and mouse GPR119 agonist CAS# 857652-30-3

PSN632408

Catalog No. BCC5408----Order now to get a substantial discount!

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Chemical structure

PSN632408

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Chemical Properties of PSN632408

Cas No. 857652-30-3 SDF Download SDF
PubChem ID 11462546 Appearance Powder
Formula C18H24N4O4 M.Wt 360.41
Type of Compound N/A Storage Desiccate at -20°C
Solubility DMSO : 50 mg/mL (138.73 mM; Need ultrasonic)
Chemical Name tert-butyl 4-[(3-pyridin-4-yl-1,2,4-oxadiazol-5-yl)methoxy]piperidine-1-carboxylate
SMILES CC(C)(C)OC(=O)N1CCC(CC1)OCC2=NC(=NO2)C3=CC=NC=C3
Standard InChIKey LHZWKWCEAXQUMX-UHFFFAOYSA-N
Standard InChI InChI=1S/C18H24N4O4/c1-18(2,3)25-17(23)22-10-6-14(7-11-22)24-12-15-20-16(21-26-15)13-4-8-19-9-5-13/h4-5,8-9,14H,6-7,10-12H2,1-3H3
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 PSN632408

DescriptionPSN632408 is an optimized agonist of GPR119 receptors that shows similar potency to OEA at both recombinant mouse and human GPR119 receptors, exhibiting EC50 values of 5.6 and 7.9 uM, respectively. IC50 value: 5.6/7.9 uM ( recombinant mouse/ human GPR119) [1] Target: GPR119 agonist Systemic administration of PSN632408 (30 mg/kgintraperitoneally) suppresses food intake, reduces weight gain, and white adipose tissue deposition in rats. GPR119 (previously designated SNORF25) is an orphan G protein-coupled receptor expressed predominantly in the pancreas and gastrointestinal tract in humans and in the brain, pancreas, and gastrointestinal tract in rodents. It mediates a reduction in food intake and body weight gain in rats upon treatment with oleoyl ethanolamide (OEA), an endogenous, potent agonist for PPARα. These data suggest that PSN632408 may be useful as a therapeutic agent for the treatment of obesity.

References:
[1]. Overton HA, et al. Deorphanization of a G protein-coupled receptor for oleoylethanolamide and its use in the discovery of small-molecule hypophagic agents. Cell Metab. 2006 Mar;3(3):167-75.

PSN632408 Dilution Calculator

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Preparing Stock Solutions of PSN632408

1 mg 5 mg 10 mg 20 mg 25 mg
1 mM 2.7746 mL 13.8731 mL 27.7462 mL 55.4924 mL 69.3654 mL
5 mM 0.5549 mL 2.7746 mL 5.5492 mL 11.0985 mL 13.8731 mL
10 mM 0.2775 mL 1.3873 mL 2.7746 mL 5.5492 mL 6.9365 mL
50 mM 0.0555 mL 0.2775 mL 0.5549 mL 1.1098 mL 1.3873 mL
100 mM 0.0277 mL 0.1387 mL 0.2775 mL 0.5549 mL 0.6937 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 PSN632408

PSN632408 is a novel, selective and small-molecule agonist of human and mouse GPR119 with EC50 values of 5.6±0.99 μM and 7.9±0.7 μM, respectively [1].

PSN632408 has been reported to activate human and mouse GPR119 in a yeast fluorimetric assay with EC50 of 5.6±0.99 μM and 7.9±0.7 μM, respectively. In HEK-OSGPR116 cells, cAMP level was dose-dependently increased by PSN632408 with an EC50 of 1.9±0.14 μM.. In vivo, PSN632408 induced food intake reduction by using a rat feeding model and acute hypophagic effects in dose-dependence [1].

References:
[1] Overton HA1, Babbs AJ, Doel SM, Fyfe MC, Gardner LS, Griffin G, Jackson HC, Procter MJ, Rasamison CM, Tang-Christensen M, Widdowson PS, Williams GM, Reynet C.Deorphanization of a G protein-coupled receptor for oleoylethanolamide and its use in the discovery of small-molecule hypophagic agents. Cell Metab. 2006 Mar;3(3):167-75

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References on PSN632408

Activation of GPR119 Stimulates Human beta-Cell Replication and Neogenesis in Humanized Mice with Functional Human Islets.[Pubmed:27413754]

J Diabetes Res. 2016;2016:1620821.

Using humanized mice with functional human islets, we investigated whether activating GPR119 by PSN632408, a small molecular agonist, can stimulate human beta-cell regeneration in vivo. Human islets were transplanted under the left kidney capsule of immunodeficient mice with streptozotocin- (STZ-) induced diabetes. The recipient mice were treated with PSN632408 or vehicle and BrdU daily. Human islet graft function in the mice was evaluated by nonfasting glucose levels, oral glucose tolerance, and removal of the grafts. Immunostaining for insulin, glucagon, and BrdU or Ki67 was performed in islet grafts to evaluate alpha- and beta-cell replication. Insulin and CK19 immunostaining was performed to evaluate beta-cell neogenesis. Four weeks after human islet transplantation, 71% of PSN632408-treated mice achieved normoglycaemia compared with 24% of vehicle-treated mice. Also, oral glucose tolerance was significantly improved in the PSN632408-treated mice. PSN632408 treatment significantly increased both human alpha- and beta-cell areas in islet grafts and stimulated alpha- and beta-cell replication. In addition, beta-cell neogenesis was induced from pancreatic duct cells in the islet grafts. Our results demonstrated that activation of GPR119 increases beta-cell mass by stimulating human beta-cell replication and neogenesis. Therefore, GPR119 activators may qualify as therapeutic agents to increase human beta-cell mass in patients with diabetes.

Direct activation of the proposed anti-diabetic receptor, GPR119 in cardiomyoblasts decreases markers of muscle metabolic activity.[Pubmed:25578601]

Mol Cell Endocrinol. 2015 Feb 15;402:72-85.

GPR119 agonists are emerging rapidly as a pharmaceutical treatment of diabetes. Diabetes is a known risk factor for cardiovascular disease yet the cardiac-specific consequences of GPR119 activation are unknown. This study demonstrated that GPR119 agonism in cardiac myoblasts reduces metabolic activity in high and low concentrations of fatty acids, with high concentrations of palmitate largely attenuating the effects of the GPR119 agonist, PSN632408. The effects of GPR119 activation on gene and protein markers of metabolism were dependent on fatty acid exposure. Activating GPR119 did not affect cell hypertrophy of lipid accumulation regardless of lipid exposure. These results suggest that the pathways activated in response to GPR119 modulation in cardiac muscle cells differ between healthy and metabolically dysregulated states. However regardless of the pathway activated by GPR119, these effects may cause detrimental reductions to oxidative/metabolic capacity under both conditions. Thus further development of GPR119 agonists for treating metabolic diseases is warranted.

Stimulating beta-cell regeneration by combining a GPR119 agonist with a DPP-IV inhibitor.[Pubmed:23382843]

PLoS One. 2013;8(1):e53345.

BACKGROUND: Activating G-protein coupled receptor 119 (GPR119) by its agonists can stimulate glucagon like peptide-1 (GLP-1) release. GLP-1 is rapidly degraded and inactivated by dipeptidylpeptidase-IV (DPP-IV). We studied the efficiency of combining PSN632408, a GPR119 agonist, with sitagliptin, a DPP-IV inhibitor, on beta-cell regeneration in diabetic mice. MATERIALS & METHODS: Diabetes in C57BL/6 mice was induced by streptozotocin. PSN632408 and sitagliptin alone or in combination were administered to diabetic mice for 7 weeks along with BrdU daily. Nonfasting blood glucose levels were monitored. After treatment, oral glucose tolerance test (OGTT), plasma active GLP-1 levels, beta-cell mass along with alpha- and beta-cell replication, and beta-cell neogenesis were evaluated. RESULTS: Normoglycemia was not achieved in vehicle-treated mice. By contrast, 32% (6 of 19) of PSN632408-treated diabetic mice, 36% (5 of 14) sitagliptin-treated diabetic mice, and 59% (13 of 22) diabetic mice treated with PSN632408 and sitagliptin combination achieved normoglycemia after 7 weeks treatment. Combination therapy significantly increased plasma active GLP-1 levels, improved glucose clearance, stimulated both alpha- and beta-cell replication, and augmented beta-cell mass. Furthermore, treatment with combination therapy induced beta-cell neogenesis from pancreatic duct-derived cells. CONCLUSION: Our results demonstrate that combining a GPR119 agonist with a DPP-IV inhibitor may offer a novel therapeutic strategy for stimulating beta-cell regeneration and reversing diabetes.

GPR119 regulates genetic markers of fatty acid oxidation in cultured skeletal muscle myotubes.[Pubmed:23069642]

Mol Cell Endocrinol. 2013 Jan 5;365(1):108-18.

Gene knockout and agonist studies indicate that activation of the G protein-coupled receptor, GPR119, protects against diet-induced obesity and insulin resistance. It is not known if GPR119 activation in skeletal muscle mediates these effects. To address this uncertainty, we measured GPR119 expression in skeletal muscle and determined the effects of PSN632408, a GPR119 agonist, on the expression of genes and proteins required for fatty acid and glucose oxidation in cultured myotubes. GPR119 expression was readily detected in rat skeletal muscle and mRNAs were induced by 12 weeks of high-fat feeding. Treatment of cultured mouse C(2)C(1)(2) myotubes with 5 muM PSN632408 or 0.5 mM palmitate reduced expression of mRNAs encoding fatty acid oxidation genes to similar extents. More so, treatment with PSN632408 decreased AMPKalpha (Thr172 phosphorylation) activity in the absence of palmitate and ACC (Ser79 phosphorylation) activity in the presence of palmitate. In human primary myotubes PSN632408 decreased expression of PDK4 and AMPKalpha2 mRNA in myotubes derived from obese donors. These data suggest GPR119 activation in skeletal muscle may impair fatty acid and glucose oxidation.

Stimulating beta cell replication and improving islet graft function by GPR119 agonists.[Pubmed:21902730]

Transpl Int. 2011 Nov;24(11):1124-34.

G protein-coupled receptor 119 (GPR119) is predominantly expressed in beta cells and intestinal L cells. In this study, we investigated whether oleoylethanolamide (OEA), a GPR119 endogenous ligand, and PSN632408, a GPR119 synthetic agonist, can stimulate beta-cell replication in vitro and in vivo and improve islet graft function in diabetic mice. We found that OEA and PSN632408 significantly increased numbers of insulin(+)/5-bromo-2'-deoxyuridine (BrdU)(+) beta cells in cultured mouse islets in a dose-dependent manner. All diabetic recipient mice, given marginal syngeneic islet transplants with OEA or PSN632408 or vehicle, achieved normoglycemia at 4 weeks after transplantation. However, normoglycemia was achieved significantly faster in OEA- or PSN632408-treated diabetic mice than in vehicle-treated diabetic mice (P < 0.05). The percentage of insulin(+)/BrdU(+) beta cells in islet grafts in OEA- and PSN632408-treated mice was significantly higher than in vehicle-treated mice (P < 0.01). Our data demonstrated that OEA and PSN632408 can stimulate beta-cell replication in vitro and in vivo and improve islet graft function. Targeting GPR119 is a novel therapeutic approach to increase beta-cell mass and to improve islet graft function by stimulating beta-cell replication.

Endogenous and synthetic agonists of GPR119 differ in signalling pathways and their effects on insulin secretion in MIN6c4 insulinoma cells.[Pubmed:18724386]

Br J Pharmacol. 2008 Dec;155(7):1056-65.

BACKGROUND AND PURPOSE: GPR119 is a G protein-coupled receptor that is preferentially expressed in islet cells and mediates insulin secretion. Oleoyl-lysophosphatidylcholine and oleoylethanolamide (OEA) act as endogenous ligands for this receptor, whereas PSN375963 and PSN632408 are two recently reported synthetic agonists. In this study, we explored mechanisms underlying GPR119-induced insulin secretion. In addition, we assessed the potential utility of the synthetic agonists as tools for exploring GPR119 biology. EXPERIMENTAL APPROACH: We examined natural and synthetic GPR119 agonist activity at GPR119 in MIN6c4 and RINm5f insulinoma cells. We evaluated insulin secretion, intracellular calcium [Ca(2+)](i), ion channel involvement and levels of cAMP. KEY RESULTS: We report that increases in insulin secretion induced by OEA were associated with increased cAMP and a potentiation of glucose-stimulated increases in [Ca(2+)](i). We also demonstrate that ATP-sensitive K(+) and voltage-dependent calcium channels were required for GPR119-mediated increases in glucose-stimulated insulin secretion. In contrast to OEA, the synthetic GPR119 agonist PSN375963 and PSN632408 have divergent effects on insulin secretion, cAMP and intracellular calcium in MIN6c4 cells. CONCLUSIONS AND IMPLICATIONS: The endogenous ligand OEA signals through GPR119 in a manner similar to glucagon-like peptide-1 (GLP-1) and its receptor with respect to insulin secretion, [Ca(2+)](i) and cAMP. In addition, PSN375963 and PSN632408 substantially differ from OEA and from one another. These studies suggest that the commercially available synthetic agonists, although they do activate GPR119, may also activate GPR119-independent pathways and are thus unsuitable as GPR119-specific pharmacological tools.

Deorphanization of a G protein-coupled receptor for oleoylethanolamide and its use in the discovery of small-molecule hypophagic agents.[Pubmed:16517404]

Cell Metab. 2006 Mar;3(3):167-75.

The endogenous lipid signaling agent oleoylethanolamide (OEA) has recently been described as a peripherally acting agent that reduces food intake and body weight gain in rat feeding models. This paper presents evidence that OEA is an endogenous ligand of the orphan receptor GPR119, a G protein-coupled receptor (GPCR) expressed predominantly in the human and rodent pancreas and gastrointestinal tract and also in rodent brain, suggesting that the reported effects of OEA on food intake may be mediated, at least in part, via the GPR119 receptor. Furthermore, we have used the recombinant receptor to discover novel selective small-molecule GPR119 agonists, typified by PSN632408, which suppress food intake in rats and reduce body weight gain and white adipose tissue deposition upon subchronic oral administration to high-fat-fed rats. GPR119 therefore represents a novel and attractive potential target for the therapy of obesity and related metabolic disorders.

Description

PSN632408 is an optimized agonist of GPR119 receptors that shows similar potency to OEA at both recombinant mouse and human GPR119 receptors, exhibiting EC50 values of 5.6 and 7.9 uM, respectively.

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