For research use only.

Catalog No.S2729

18 publications

SB415286 Chemical Structure

CAS No. 264218-23-7

SB415286 is a potent GSK3α inhibitor with IC50/Ki of 78 nM/31 nM with equally effective inhibition of GSK-3β. SB415286 causes MM cell growth arrest and apoptosis.

Selleck's SB415286 has been cited by 18 publications

4 Customer Reviews

  • LGX818 downregulates CyclinD1 dependent of DYRK1B, but not GSK3β. (B) A375 cells were treated with vehicle or an inhibitor of GSK3β (SB415286, 12.5 μM), then they were treated the same as in (A) for 3 and 12 h, IB analysis for β-catenin, Cyclin D1 and GAPDH.

    Cancer Lett, 2016, 370(2):332-44. . SB415286 purchased from Selleck.

  • Representative western blots showing increased expression levels of claudin-5 compared to β-actin in shControl and shAkt1 HLEC lysates in the presence and absence of GSK3 inhibitor SB415286.

    Br J Cancer, 2018, 118(11):1464-1475. SB415286 purchased from Selleck.

  • MDA-MB-453 and MDA-MB-231 cells were treated as indicated, subjected to immunoblotting 48 h later (G)

    Oncotarget, 2016, 7(41):67071-67086. SB415286 purchased from Selleck.

  • MC38 stable clonal cells were treated with GSK-3β inhibitor SB415286 (25 uM, two time points) and proteasomal inhibitor MG132 (25 uM, 6 h). Then the lysates were subjected to western blotting forβ-catenin and STRAP

    Oncotarget, 2016, 7(13):16023-37. SB415286 purchased from Selleck.

Purity & Quality Control

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Biological Activity

Description SB415286 is a potent GSK3α inhibitor with IC50/Ki of 78 nM/31 nM with equally effective inhibition of GSK-3β. SB415286 causes MM cell growth arrest and apoptosis.
GSK-3α [1]
(Cell-free assay)
GSK-3β [1]
(Cell-free assay)
78 nM ~78 nM
In vitro

SB 415286 inhibits GSK3α in an ATP competitive manner with Ki of 31 nM and shows similar potency against GSK3β. SB 415286 has little or no activity against 24 other protein kinases with IC50 > 10 μ M. SB 415286 stimulates glycogen synthesis in the Chang human liver cell line with EC50 of 2.9 μM, and induces expression of a β-catenin-LEF/TCF regulated reporter gene in HEK293 cells. [1] SB 415286 protects both central and peripheral nervous system neurones in culture from death induced by reduced PI3-kinase pathway activity in a concentration-dependent manner, which is correlated with inhibition of GSK-3 activity and modulation of GSK-3 substrates tau and β-catenin. [2] In L6 myotubes, SB 415286 induces a much greater activation of GS (6.8-fold) compared to that elicited by insulin (4.2-fold) or Li (4-fold). [3] SB 415286 (10 μM) inhibits rapamycin-induced down-regulation of cyclin D1, and blocks rapamycin and paclitaxel-induced apoptosis, suggesting a critical role for GSK3β in rapamycin-mediated paclitaxel-sensitization. [4] SB 415286 prevents coxsackievirus-induced cell death in a dose-dependent manner via stabilization of β-catenin. [5] SB 415286 exerts a protective effect on hydrogen peroxide-induced cell death in B65 rat neuroblastoma cells and neurons, while lithium does not attenuate the toxic effects of hydrogen peroxide. [7] SB 415286 treatment potentiates TRAIL- and CH-11-induced apoptosis in HepG2 cells. [8] Inhibition of GSK-3 by SB 415286 causes multiple myeloma (MM) cell growth arrest and apoptosis through the activation of the intrinsic pathway. [9] SB 415286 decreases the viability of Neuro-2A cells, and induces the accumulation of cells in the G2/M phase of the cell cycle and subsequent apoptosis. [10]

Cell Data
Cell Lines Assay Type Concentration Incubation Time Formulation Activity Description PMID
CHO cells MX3GeY5kfGmxbjDhd5NigQ>? M1T2T3N1cW23bHH0bY9vKG:oIHfsfYNw\2WwIIP5cpRp[XOnIHnuJGNJVyClZXzsd{BmgHC{ZYPzbY5oKGi3bXHuJIlve3WuaX6gdoVk\XC2b4KsJGVEPTB;NEWuOkDPxE1? NELUZngyOjh3Mke2OC=>

... Click to View More Cell Line Experimental Data

Methods Test Index PMID
Western blot
β-catenin / XIAP / Bcl-2 ; 

PubMed: 21161565     

GSK-3b inhibition alters the expression of anti-apoptotic proteins. GSK-3b was inhibited in Neuro-2A cells either by treating with a small molecule inhibitor of GSK-3b SB415286 (25 lM) or with a specific shRNA for GSK-3b. Western blot analysis was performed to determine the cellular protein levels of b-catenin, XAIP and Bcl-2. Actin was used to assess protein loading in each lane.

GSK-3β / p53 ; 

PubMed: 21738215     

At 6 h after irradiation, cells were fixed and stained with anti-GSK-3β, anti-p53 and anti-MDM2 antibody followed by secondary Alexa 568-conjugated anti-rabbit antibody (Molecular Probes) for GSK-3β and MDM2 and Alexa 488-conjugated anti-mouse antibody (Molecular Probes) for p53. Shown are the representative micrographs. 

21161565 21738215
In vivo Administration of SB 415286 (~10 mg/kg twice daily) reduces the extent and degree of the trinitrobenzene sulphonic acid (TNBS)-provoked colonic inflammation in the rat, and reduces the fall in body weight, which is related to downregulation of NF-κB activity, involved in the generation of proinflammatory mediators. [6] SB 415286 treatment at 1 mg/kg significantly delays the growth of Neuro-2A cells in vivo in nude mice. [10]


Kinase Assay:


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GSK-3 activity assay:

GSK-3 kinase activity is measured, in the presence of various concentrations of SB 415286, in a reaction mixture containing final concentrations of: 1 nM human GSK3α or rabbit GSK3α; 50 mM MOPS pH 7.0; 0.2 mM EDTA; 10 mM Mg-acetate; 7.5 mM L-mercaptoethanol; 5% (w/v) glycerol; 0.01% (w/v) Tween-20; 10% (v/v) DMSO; 28 μM GS-2 peptide substrate. The GS-2 peptide sequence corresponds to a region of glycogen synthase that is phosphorylated by GSK-3. The assay is initiated by the addition of 0.34 μCi [33P]γ-ATP (IC50 determinations) or 2.7 μCi [33P]γ-ATP (Ki determinations). The total ATP concentration is 10 μM (IC50 determinations) or ranged from 0 to 45 μM (Ki determinations). Following 30 minutes incubation at room temperature the assay is stopped by the addition of one third assay volume of 2.5% (v/v) H3PO4 containing 21 mM ATP. Samples are spotted onto P30 phosphocellulose mats and these are washed six times in 0.5% (v/v) H3PO4. The filter mats are sealed into sample bags containing Wallac betaplate scintillation fluid. 33P incorporation into the substrate peptide is determined by counting the mats in a Wallac microbeta scintillation counter.
Cell Research:


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  • Cell lines: OPM-2, RPMI-8226, U-266, and INA-6
  • Concentrations: Dissolved in DMSO, final concentrations ~10 μM
  • Incubation Time: 48, or 72 hours
  • Method:

    Cells are exposed to different concentrations of SB 415286 for 48 or 72 hours in 96-flat well plates. After 48 or 72 hours, [3H]thymidine is added to the cultures (10 μCi/well) for the last 12 hours. The [3H]thymidine incorporation is evaluated by scintillation counting by using a top count β-counter. Apoptosis is assessed by annexin V/Propidium Iodide staining or by detection of mitochondrial membrane potential. Cell death is evaluated by the analysis of Forward/Side scatter fluorescence changes. Fluorescence Activated Cell Sorting (FACS) analysis is performed using a FACS-Calibur Cell Cytometer.

    (Only for Reference)
Animal Research:


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  • Animal Models: Male Wistar rats with acute colitis provoked by trinitrobenzene sulphonic acid (TNBS)
  • Dosages: ~1 mg/kg
  • Administration: Administered subcutaneously twice daily
    (Only for Reference)

Solubility (25°C)

In vitro DMSO 72 mg/mL (200.15 mM)
Ethanol 72 mg/mL (200.15 mM)
Water 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 359.72


CAS No. 264218-23-7
Storage powder
in solvent
Synonyms N/A
Smiles C1=CC=C(C(=C1)C2=C(C(=O)NC2=O)NC3=CC(=C(C=C3)O)Cl)[N+](=O)[O-]

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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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Cell Lines Assay Type Concentration Incubation Time Formulation Activity Description PMID