AZ 960

Name: AZ 960
Brand: Selleck Chemicals
SKU: S2214
Rating: 5 (4 reviews)

For research use only.

Catalog No.S2214

4 publications

CAS No. 905586-69-8

AZ 960 is a novel ATP competitive JAK2 inhibitor with IC50 and K_i of <3 nM and 0.45 nM, 3-fold selectivity of AZ960 for JAK2 over JAK3. AZ 960 induces apoptosis and growth arrest.

Selleck's AZ 960 has been cited by 4 publications

Carcinogenesis, 2020, 41(7):993-1004

PubMed: 31740922 ( click the link to review the publication )

Nat Commun, 2019, 10(1):716

PubMed: 30755611 ( click the link to review the publication )

Cytokine, 2019, 113:238-247

PubMed: 30007476 ( click the link to review the publication )

Cancer Lett, 2013, 341(2):224-30

PubMed: 23941832 ( click the link to review the publication )

1 Customer Review

Claude HAAN Université du Luxembour. AZ 960 purchased from Selleck.

Purity & Quality Control

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Biological Activity

Description

AZ 960 is a novel ATP competitive JAK2 inhibitor with IC50 and K_i of <3 nM and 0.45 nM, 3-fold selectivity of AZ960 for JAK2 over JAK3. AZ 960 induces apoptosis and growth arrest.

Targets

JAK2 ^[1]	JAK2 ^[1]
0.45 nM(Ki)	<3 nM

In vitro

AZ960 also inhibits many kinases less than 50% at a concentration of 0.1 μM such as JAK3 (IC50=9 nM), TrkA, Aurora, and ARK5. In cells, AZ 960 inhibits the phosphorylation of STAT5 in TEL-JAK2 cells with an average IC50 of 15 nM and exhibits 15-30 -fold sensitivity for TEL-JAK2-driven STAT5 phosphorylation compared with cell lines driven by other JAK kinase family members (TEL-JAK1, -JAK3, and -TYK2). AZ 960 shows potent activity in inhibiting the proliferation of the TEL-JAK2, -JAK1, -JAK3, and -Tyk2 cell lines with GI50 values of 25 nM, 230 nM, 279 nM, and 214 nM, respectively. Moreover, AZ 960 also potently inhibits SET-2 cell proliferation with an average GI50 of 33 nM by reducing both STAT3 and STAT5 phosphorylation levels. ^[1] AZ 960 causes growth arrest and apoptosis of human T-cell lymphotropic virus type 1, HTLV-1pe 1, HTLV-1LV-1osis of human T-cSET-2 cell proliferation witBcl-xL by small interfering RNA potentiates anti-proliferative effects of AZ 960 in MT-1 cells. ^[2] A recent study shows that AZ 960 leads to significant inhibition of the clonogenic growth and induction of apoptosis of freshly isolated AML cells from patients. ^[3]

Protocol

Kinase Assay:^[1]

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Enzyme Biochemical Assay and Kinase Profiling:

Inhibition studies of AZ 960 are performed using a recombinant JAK2 kinase (amino acids 808–1132) at a peptide (Tyk2 peptide) concentration of 100 nM and an ATP concentration of 15 μM. Concentrations of AZ 960 ranging from 0.003 μM to 30 μM are used. The mode of inhibition and inhibition constant (K_i) of AZ960 against JAK2 kinase are further evaluated by inhibition kinetics. Specifically, a series of JAK2-catalyzed reactions are set up in HEPES buffer (75 mM, pH 7.3) with a fixed concentration of peptide (FL-Ahx-IPTSPITTTYFFFKKK-COOH), and varied concentrations of ATP and AZ 960. The progress of each reaction is subsequently monitored by the Caliper LC3000 system, and the initial velocity of each reaction is extracted from the corresponding reaction time course. To define the mode of inhibition, initial velocities are plotted against corresponding ATP concentrations using Lineweaver-Burk plots and the characteristic convergence of the lines on the y axis demonstrates the competitiveness of AZ 960 to ATP. Initial inspection of K_i using the Michealis-Menten equation revealed that AZ960 is a tight-binding inhibitor of JAK2. AZ960 is profiled against 83 kinases at three inhibitor concentrations (0.01 μM, 0.10 μM, and 1.0 μM).

Cell Research:^[1]

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Cell lines: SET-2 and TEL-JAK Ba/F3 cells
Concentrations: 0.016-10 μM
Incubation Time: 48-72 hours
Method: Cellular proliferation is evaluated using the fluorometric/colorimetric BIOSOURCE AlamarBlue Assay and read in the Spectra Max Gemini EM microplate reader. SET-2 cells are plated at 20,000 cells/well, TEL-JAK2 Ba/F3 cells at 2000 cells/well, and all other TEL-JAKs at 5000 cells/well in 96-well plates. Cells are treated with AZ 960 24 hours after plating and grown for 72 hours for SET-2 and 48 hours for TEL-JAK Ba/F3 cells. Following the indicated growth period Alamar Blue (10 μL/well) is added, cells are incubated at 37 °C in 5% CO₂ for 2 hours, and fluorescence is measured at 545 (excitation) and 600 nm (emission). Data are normalized to percent of the control, and GI50 values (the concentration that causes 50% growth inhibition) are calculated using Xlfit4 version 4.2.2 for Microsoft Excel.
(Only for Reference)

References

Solubility (25°C)

In vitro	DMSO	71 mg/mL (200.36 mM)
	Ethanol	3 mg/mL (8.46 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 Download AZ 960 SDF

Molecular Weight	354.36
Formula	C₁₈H₁₆F₂N₆
CAS No.	905586-69-8
Storage	3 years-20°C powder 2 years-80°C in solvent
Synonyms	N/A
Smiles	CC1=CC(=NN1)NC2=C(C=C(C(=N2)NC(C)C3=CC=C(C=C3)F)C#N)F

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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.

Note：1.Please make sure the liquid is clear before adding the next solvent.
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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.

Handling Instructions

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JAK Signaling Pathway Map

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Fedratinib (TG101348)

Fedratinib (SAR302503, TG101348) is a selective inhibitor of JAK2 with IC50 of 3 nM in cell-free assays, 35- and 334-fold more selective for JAK2 versus JAK1 and JAK3. Fedratinib also inhibits FMS-like tyrosine kinase 3 (FLT3) and RET (c-RET) with IC50 of 15 nM and 48 nM, respectively. Fedratinib has potential antineoplastic activity. Fedratinib inhibits proliferation and induces apoptosis. Phase 2.
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Features:Similar to its parent compound AG490, WP1066 inhibits the phosphorylation of JAK2, but unlike AG490, WP1066 also degraded JAK2 protein.

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AZ 960