AZD1080

Catalog No.S7145

AZD1080 is a selective, orally active, brain permeable GSK3 inhibitor, inhibits human GSK3α and GSK3β with Ki of 6.9 nM and 31 nM, respectively, shows >14-fold selectivity against CDK2, CDK5, CDK1 and Erk2.

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AZD1080 Chemical Structure

AZD1080 Chemical Structure
Molecular Weight: 334.37

Validation & Quality Control

Quality Control & MSDS

Product Information

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Product Description

Biological Activity

Description AZD1080 is a selective, orally active, brain permeable GSK3 inhibitor, inhibits human GSK3α and GSK3β with Ki of 6.9 nM and 31 nM, respectively, shows >14-fold selectivity against CDK2, CDK5, CDK1 and Erk2.
Targets GSK-3α [1] GSK-3β [1]
IC50 6.9 nM 31 nM
In vitro AZD1080 is a selective, orally active, brain permeable GSK3 inhibitor, inhibits human GSK3α and GSK3β with a Ki of 6.9 nM and 31 nM, respectively, shows >14-fold selectivity against cdk2, cdk5, cdk1 and Erk2. AZD1080 inhibits tau phosphorylation in cells expressing human tau, with IC50 of 324 nM. [1]
In vivo AZD1080 inhibits tau phosphorylation in rat brain after oral dministration, with brain/plasma exposure ratio of 0.5 – 0.8 at peak concentrations. AZD1080 reverses cognitive deficits and rescues dysfunctional synapses in mice. Acute oral treatment with AZD1080 inhibits peripheral GSK3 activity, produces a dose-dependent reduction of the phosphorylated to total glycogen synthase (GS) ratio, with a mean maximal inhibitory effect of 49% at the highest dose (10 μmol/kg) at 2 h after dosing. [1]
Features A brain permeable GSK3 inhibitor.

Protocol(Only for Reference)

Kinase Assay: [1]

Kinase Assay GSK3 scintillation proximity assay is done. 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.

Cell Assay: [1]

Cell lines 3T3 fibroblasts stably expressing 4-repeat human tau
Concentrations ~20mM
Incubation Time 0-8 h
Method 3T3 fibroblasts are engineered to stably express four-repeat tau protein. These cells have high endogenous levels of GSK3 that is able to phosphorylate tau protein constitutively. This phosphorylation is inhibited by LiCl. After treatment with different compounds, cultures are washed twice with 5 mM MgCl2-PBS. Extracts for Western blot analysis are prepared by homogenizing cells in ice-cold extraction buffer consisting of 20 mM HEPES, pH 7.4, 100 mM NaCl, 10 mM NaF, 1% Triton X-100, 1 mM sodium orthovanadate, 10 mM EDTA, and protease inhibitors (2 mM phenylmethylsulfonyl fluoride, 10 μg/ml aprotinin, 10 μg/ml leupeptin, and 10 μg/ml pepstatin). The samples are homogenized at 4 °C, and protein content is determined by Bradford method. Total protein (25 μg) is electrophoresed on 10% SDS-PAGE gel and transferred to a nitrocellulose membrane. The experiments are performed using the following primary antibodies: tau Ser(P)-396, 1:1000; Tau5, 1:1000; and anti-GSK3β, 1:1000. The filters are incubated with the antibody at 4 °C overnight in 5% nonfat dried milk. A secondary antibody (1:5000), followed by ECL detection reagents are used for immunodetection. Quantitation of immunoreactivity is performed by densitometric scanning.

Animal Study: [1]

Animal Models C57BL/6 mice
Formulation water with 0.5% ascorbic acid, 0.01% EDTA, pH 2.0
Dosages 3 or 10 μmol/kg, 6 mL/kg
Administration oral gavage

Conversion of different model animals based on BSA (Value based on data from FDA Draft Guidelines)

SpeciesMouseRatRabbitGuinea pigHamsterDog
Weight (kg)0.020.151.80.40.0810
Body Surface Area (m2)0.0070.0250.150.050.020.5
Km factor36128520
Animal A (mg/kg) = Animal B (mg/kg) multiplied by  Animal B Km
Animal A Km

For example, to modify the dose of resveratrol used for a mouse (22.4 mg/kg) to a dose based on the BSA for a rat, multiply 22.4 mg/kg by the Km factor for a mouse and then divide by the Km factor for a rat. This calculation results in a rat equivalent dose for resveratrol of 11.2 mg/kg.

Rat dose (mg/kg) = mouse dose (22.4 mg/kg) ×  mouse Km(3)  = 11.2 mg/kg
rat Km(6)
1

References

[1] Georgievska B, et al. J Neurochem, 2013, 125(3), 446-456.

Chemical Information

Download AZD1080 SDF
Molecular Weight (MW) 334.37
Formula

C19H18N4O2

CAS No. 612487-72-6
Storage 3 years -20℃powder
6 months-80℃in solvent
Synonyms N/A
Solubility (25°C) * In vitro DMSO 52 mg/mL (155.51 mM)
Water <1 mg/mL (<1 mM)
Ethanol <1 mg/mL (<1 mM)
In vivo 30% PEG400+0.5% Tween80+5% propylene glycol 20 mg/mL
* <1 mg/ml means slightly soluble or 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 Name 1H-Indole-5-carbonitrile, 2-hydroxy-3-[5-(4-morpholinylmethyl)-2-pyridinyl]-

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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Cell Lines Assay Type Concentration Incubation Time Formulation Activity Description PMID
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