AR-A014418
Catalog No.S7435 Synonyms: GSK-3β Inhibitor VIII
Molecular Weight(MW): 308.31
AR-A014418 is an ATP-competitive, and selective GSK3β inhibitor with IC50 and Ki of 104 nM and 38 nM in cell-free assays, without significant inhibition on 26 other kinases tested.
2 Customer Reviews
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Protein levels of p-GSK3α/β (Tyr279/Tyr216, Ser21/Ser9) and total GSK3α/β in A549 cells with Lithium chloride, SB216763, TWS119 or ARA014418 treatment were assessed by immunoblotting
Cell Physiol Biochem, 2017, 42(3):1177-1191. AR-A014418 purchased from Selleck.
A. Dual-luciferase reporter assay showing β-catenin activity after treatment of 5 μM AR-A (n = 3). B. The influence of AR-A on the expression of β-catenin downstream targets in KCNQ1-overexpressing Huh7 and LM3 cells was determined by CCK-8 assay (n = 3).
Biochem Biophys Res Commun, 2018, 503(4):3100-3107. AR-A014418 purchased from Selleck.
Purity & Quality Control
Choose Selective GSK-3 Inhibitors
Biological Activity
| Description | AR-A014418 is an ATP-competitive, and selective GSK3β inhibitor with IC50 and Ki of 104 nM and 38 nM in cell-free assays, without significant inhibition on 26 other kinases tested. | ||||||||||||||||||||||||||||||
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| Features | Cell-permeable GSK3-selective inhibitor. | ||||||||||||||||||||||||||||||
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| In vitro |
AR-A014418 inhibits tau phosphorylation at a GSK3-specific site (Ser-396) in 3T3 fibroblasts expressing human four-repeat tau protein with IC50 of 2.7 μM, and protects cultured N2A cells from death induced by blocking PI3K/PKB pathway. In hippocampal slices, AR-A014418 inhibits neurodegeneration mediated by beta-amyloid peptide. [1] While in NGP and SH-5Y-SY cells, AR-A014418 reduces neuroendocrine markers and suppresses neuroblastoma cell growth. [2] |
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| In vivo | In ALS mouse model with the G93A mutant human SOD1, AR-A014418 (0-4 mg/kg, i.p.) delays the onset of symptoms, improves motor activity, slows down disease progression, and postpons the endpoint of the disease. [3] In addition, AR-A014418 produces inhibition effect on acetic acid- and formalin-induced nociception in mice by modulating NMDA and metabotropic receptor signaling as well as TNF-α and IL-1β transmission in the spinal cord. [4] |
Protocol
| Kinase Assay: |
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GSK3 Scintillation Proximity Assay: The competition experiments are carried out in duplicate with 10 concentrations of the inhibitor in clear-bottomed microtiter plates. The biotinylated peptide substrate, biotin-AAEELDSRAGS(PO3H2)PQL, is added at a final concentration of 2 μM in an assay buffer containing 6 milliunits of recombinant human GSK3 (equal mix of both α and β), 12 mM MOPS, pH 7.0, 0.3 mM EDTA, 0.01% β-mercaptoethanol, 0.004% Brij 35, 0.5% glycerol, and 0.5 μg of bovine serum albumin/25 μl and preincubated for 10-15 min. The reaction is initiated by the addition of 0.04 μCi of [γ-33P]ATP and unlabeled ATP in 50 mM Mg(Ac)2 to a final concentration of 1 μM ATP and assay volume of 25 μl. Blank controls without peptide substrate are used. After incubation for 20 min at room temperature, each reaction is terminated by the addition of 25 μl of stop solution containing 5 mM EDTA, 50 μM ATP, 0.1% Triton X-100, and 0.25 mg of streptavidin-coated SPA beads corresponding to ∼35 pmol of binding capacity. After 6 h the radioactivity is determined in a liquid scintillation counter. Inhibition curves are analyzed by non-linear regression using GraphPad Prism. |
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Solubility (25°C)
| In vitro | DMSO | 61 mg/mL (197.85 mM) |
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| Water | Insoluble | |
| Ethanol | 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 Information
| Molecular Weight | 308.31 |
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| Formula | C12H12N4O4S |
| CAS No. | 487021-52-3 |
| Storage | powder |
| in solvent | |
| Synonyms | GSK-3β Inhibitor VIII |
Bio Calculators
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Tech Support
Answers to questions you may have can be found in the inhibitor handling instructions. Topics include how to prepare stock solutions, how to store inhibitors, and issues that need special attention for cell-based assays and animal experiments.
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