AC 264613PAR2 agonist,potent and selective CAS# 1051487-82-1 |
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Quality Control & MSDS
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| Cas No. | 1051487-82-1 | SDF | Download SDF |
| PubChem ID | 25108278 | Appearance | Powder |
| Formula | C19H18BrN3O2 | M.Wt | 400.27 |
| Type of Compound | N/A | Storage | Desiccate at -20°C |
| Solubility | Soluble to 100 mM in DMSO | ||
| Chemical Name | (3S,4R)-N-[(E)-1-(3-bromophenyl)ethylideneamino]-2-oxo-4-phenylpyrrolidine-3-carboxamide | ||
| SMILES | CC(=NNC(=O)C1C(CNC1=O)C2=CC=CC=C2)C3=CC(=CC=C3)Br | ||
| Standard InChIKey | RQKXQCSEZPQBNZ-QSBCOWLBSA-N | ||
| Standard InChI | InChI=1S/C19H18BrN3O2/c1-12(14-8-5-9-15(20)10-14)22-23-19(25)17-16(11-21-18(17)24)13-6-3-2-4-7-13/h2-10,16-17H,11H2,1H3,(H,21,24)(H,23,25)/b22-12+/t16-,17-/m0/s1 | ||
| 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. |
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| 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. |
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| 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. | ||
| Description | Potent and selective protease-activated receptor 2 (PAR2) agonist (pEC50 = 7.5). Displays no activity at other PAR subtypes and exhibits no significant activity at over 30 other receptors implicated in nociception and inflammation. Stimulates PI hydrolysis, Ca2+ mobilization and cellular proliferation in vitro (pEC50 values are 6.9, 7.0 and 7.5 respectively). |
AC 264613 Dilution Calculator
AC 264613 Molarity Calculator
| 1 mg | 5 mg | 10 mg | 20 mg | 25 mg | |
| 1 mM | 2.4983 mL | 12.4916 mL | 24.9831 mL | 49.9663 mL | 62.4578 mL |
| 5 mM | 0.4997 mL | 2.4983 mL | 4.9966 mL | 9.9933 mL | 12.4916 mL |
| 10 mM | 0.2498 mL | 1.2492 mL | 2.4983 mL | 4.9966 mL | 6.2458 mL |
| 50 mM | 0.05 mL | 0.2498 mL | 0.4997 mL | 0.9993 mL | 1.2492 mL |
| 100 mM | 0.025 mL | 0.1249 mL | 0.2498 mL | 0.4997 mL | 0.6246 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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AC 264613 is a potent agonist of PAR2 with pEC50 value of 7.5 and potencies range from 30 to 100 nM [1, 2].
Protease-activated receptor 2 (PAR2) also known as coagulation factor II (thrombin) receptor-like 1 (F2RL1) or G-protein coupled receptor 11 (GPR11) is expressed in vascular tissue and highly vascular organs and involves in the vascular tone regulation. It has been shown that PAR2 plays a pivotal role in vessel inflammation and wound healing processes [2].
AC 264613 is a selective PAR2 agonist and has no effect on other PARs. When tested with HEK 293 T cells (PAR2 wild type) and KNRK cells (transfected with human PAR2 receptors) for stimulates PI hydrolysis and Ca2+ mobilization assays, AC 264613 showed effect with pEC50 value of 6.9 and 7.0,respectively [1]. Using QuickChange Mutagenesis manner, NIH 3T3 cells were made with ECL2 mutations in Q233E, E232R, E232R/Q233R, F240S, and F240S/S37P receptors and AC 264613 treatment PAR2 F240S receptors were constitutively expressed in multiple functional endpoints while had no effect on E232 and Q233 mutaions [2].
In male Sprague-Dawley rat model with acute thermal nociception and edema in paw induced by SLIGRL-NH2 or trypsin, intrapaw administration of AC 264613 induced hind paw edema and thermal hyperalgesia at the doses as low as 30 ng and showed dose-dependent pronociceptive effects [1].
References:
[1]. Gardell, L.R., et al., Identification and characterization of novel small-molecule protease-activated receptor 2 agonists. J Pharmacol Exp Ther, 2008. 327(3): p. 799-808.
[2]. Ma, J.N. and E.S. Burstein, The protease activated receptor 2 (PAR2) polymorphic variant F240S constitutively activates PAR2 receptors and potentiates responses to small-molecule PAR2 agonists. J Pharmacol Exp Ther, 2013. 347(3): p. 697-704.
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A protease-activated receptor 2 agonist (AC-264613) suppresses interferon regulatory factor 5 and decreases interleukin-12p40 production by lipopolysaccharide-stimulated macrophages: Role of p53.[Pubmed:26833899]
Cell Biol Int. 2016 Jun;40(6):629-41.
The transcription factor interferon regulatory factor 5 (IRF5) has a key role in the production of interleukin (IL)-12 by macrophages. IRF5 is also a central mediator of toll-like receptor signaling and is a direct target of p53. Activation of protease-activated receptor 2 (PAR-2) upregulates p53 and suppresses apoptosis. This study investigated the influence of human neutrophil elastase (HNE) and PAR-2 agonists on expression of IRF5 and IL-12p40 by macrophages stimulated with lipopolysaccharide. Granulocyte-macrophage colony-stimulating factor (GM-CSF)-dependent macrophages showed upregulation of IRF5 expression, while HNE reduced expression of p53 and IRF5 in a concentration-dependent manner. HNE also caused a concentration-dependent decrease of IRF5 in macrophages transfected with small interfering RNA to silence p53, while silencing of beta-arrestin 2 blunted the reduction of p53 or IRF5 by HNE. Incubation of macrophages with a PAR-2 agonist, AC-264613, caused a decrease of IRF5 expression and also significantly reduced p53 protein expression. HNE upregulated the expression of tumor necrosis factor receptor-associated factor 6 (TRAF6) and caused transactivation of TLR4, while AC-264613 did not promote TLR4 transactivation. In conclusion, the PAR-2 agonist AC-264613 attenuated IRF5-associated IL-12p40 production by macrophages.
Identification and characterization of novel small-molecule protease-activated receptor 2 agonists.[Pubmed:18768780]
J Pharmacol Exp Ther. 2008 Dec;327(3):799-808.
We report the first small-molecule protease-activated receptor (PAR) 2 agonists, AC-55541 [N-[[1-(3-bromo-phenyl)-eth-(E)-ylidene-hydrazinocarbonyl]-(4-oxo-3,4-dihydro-pht halazin-1-yl)-methyl]-benzamide] and AC-264613 [2-oxo-4-phenylpyrrolidine-3-carboxylic acid [1-(3-bromo-phenyl)-(E/Z)-ethylidene]-hydrazide], each representing a distinct chemical series. AC-55541 and AC-264613 each activated PAR2 signaling in cellular proliferation assays, phosphatidylinositol hydrolysis assays, and Ca(2+) mobilization assays, with potencies ranging from 200 to 1000 nM for AC-55541 and 30 to 100 nM for AC-264613. In comparison, the PAR2-activating peptide 2-furoyl-LIGRLO-NH(2) had similar potency, whereas SLIGRL-NH(2) was 30 to 300 times less potent. Neither AC-55541 nor AC-264613 had activity at any of the other PAR receptor subtypes, nor did they have any significant affinity for over 30 other molecular targets involved in nociception. Visualization of EYFP-tagged PAR2 receptors showed that each compound stimulated internalization of PAR2 receptors. AC-55541 and AC-264613 were well absorbed when administered intraperitoneally to rats, each reaching micromolar peak plasma concentrations. AC-55541 and AC-264613 were each stable to metabolism by liver microsomes and maintained sustained exposure in rats, with elimination half-lives of 6.1 and 2.5 h, respectively. Intrapaw administration of AC-55541 or AC-264613 elicited robust and persistent thermal hyperalgesia and edema. Coadministration of either a tachykinin 1 (neurokinin 1) receptor antagonist or a transient receptor potential vanilloid (TRPV) 1 antagonist completely blocked these effects. Systemic administration of either AC-55541 or AC-264613 produced a similar degree of hyperalgesia as was observed when the compounds were administered locally. These compounds represent novel small-molecule PAR2 agonists that will be useful in probing the physiological functions of PAR2 receptors.
Discovery of potent and selective small-molecule PAR-2 agonists.[Pubmed:18720984]
J Med Chem. 2008 Sep 25;51(18):5490-3.
Proteinase activated receptor-2 plays a crucial role in a wide variety of conditions with a strong inflammatory component. We present the discovery and characterization of two structurally different, potent, selective, and metabolically stable small-molecule PAR-2 agonists. These ligands may be useful as pharmacological tools for elucidating the complex physiological role of the PAR-2 receptors as well as for the development of PAR-2 antagonists.
