Home DNA Damage/DNA Repair ATM/ATR inhibitor AZ32 For research use only.

AZ32

AZ32 is a specific inhibitor of the ATM kinase that possesses good BBB penetration in mouse with an IC50 value of <0.0062 μM for ATM enzyme. It shows adequate selectivity over ATR and also has high cell permeability.

AZ32 Chemical Structure

AZ32 Chemical Structure

CAS: 2288709-96-4

Selleck's AZ32 has been cited by 1 publication

Purity & Quality Control

Batch: S872901 DMSO] 66 mg/mL] false] Ethanol] 7 mg/mL] false] Water] Insoluble] false Purity: 99.82%
99.82

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Biological Activity

Description AZ32 is a specific inhibitor of the ATM kinase that possesses good BBB penetration in mouse with an IC50 value of <0.0062 μM for ATM enzyme. It shows adequate selectivity over ATR and also has high cell permeability.
Targets
ATM [1]
(Cell-free assay)
<0.0062 μM
In vitro
In vitro

AZ32 blocks the DNA damage response (DDR) and radiosensitized GBM cells in vitro. AZ32 shows moderate potency against ATM in cell (IC50 = 0.31 μM) and adequate selectivity over ATR, while also having high cell permeability[1].
Cell Research Cell lines U1242 cells
Concentrations 3 μM
Incubation Time 48 h
Method

Human glioma U1242 cells were treated with AZ32 (3 μM) and radiation (2 Gy) or left untreated. At 48 hrs the cells were fixed and processed for ICC using anti-γ-tubulin (centrosomes) and -α-tubulin (microtubules). Cells were counterstained with DAPI to visualize nuclei.
In Vivo
In vivo

AZ32, with enhanced blood-brain barrier (BBB) penetration, was highly efficient in vivo as radiosensitizer in syngeneic and human, orthotopic mouse glioma model compared with AZ31. AZ32 is the first ATMi with oral bioavailability shown to radiosensitize glioma and improve survival in orthotopic mouse models. Following a single oral dose of AZ32 (200 mg/kg) in mice, the free brain concentrations of AZ32 was in excess of the cellular IC50 for approximately 22 hr. AZ32 has enhanced BBB penetration at 8.7-fold and improved brain coverage over AZ31 but with reduced ATM selectivity[1].
Animal Research Animal Models orthotopic GL261 glioma model (GL261/luc-red cells intracranially injected into C57bl6 mice)
Dosages 200 mg/kg
Administration p.o.

Chemical lnformation & Solubility

Molecular Weight 328.37 Formula

C20H16N4O
CAS No. 2288709-96-4 SDF --
Smiles CNC(=O)C1=CC=C(C=C1)C2=CN=C3C=NC(=C[N]23)C4=CC=CC=C4
Storage (From the date of receipt) 3 years -20°C powder

In vitro
Batch:

DMSO : 66 mg/mL ( (200.99 mM)； Moisture-absorbing DMSO reduces solubility. Please use fresh DMSO.)

Ethanol : 7 mg/mL

Water : Insoluble


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In vivo
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Method for preparing DMSO master liquid: mg drug pre-dissolved in μL DMSO ( Master liquid concentration mg/mL, Please contact us first if the concentration exceeds the DMSO solubility of the batch of drug. )

Method for preparing in vivo formulation: Take μL DMSO master liquid, next addμL PEG300, mix and clarify, next addμL Tween 80, mix and clarify, next add μL ddH2O, mix and clarify.

Method for preparing in vivo formulation: Take μL DMSO master liquid, next add μL Corn oil, mix and clarify.

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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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