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Saracatinib

Names

[ CAS No. ]:
379231-04-6

[ Name ]:
Saracatinib

[Synonym ]:
N-(5-Chloro-1,3-benzodioxol-4-yl)-7-[2-(4-methyl-1-piperazinyl)ethoxy]-5-(tetrahydro-2H-pyran-4-yloxy)-4-quinazolinamine
AZD0530 difuMarate
N-(5-Chloro-1,3-benzodioxol-4-yl)-7-(2-(4-methylpiperazin-1-yl)ethoxy)-5-(tetrahydro-2H-pyran-4-yloxy)quinazolin-4-amine
4-Quinazolinamine, N-(5-chloro-1,3-benzodioxol-4-yl)-7-[2-(4-methyl-1-piperazinyl)ethoxy]-5-[(tetrahydro-2H-pyran-4-yl)oxy]-
N-(5-Chloro-1,3-benzodioxol-4-yl)-7-[2-(4-methylpiperazin-1-yl)ethoxy]-5-(tetrahydro-2H-pyran-4-yloxy)quinazolin-4-amine
Saracatinib
AZD0530

Biological Activity

[Description]:

Saracatinib (AZD0530) is a potent Src family inhibitor with IC50s of 2.7 to 11 nM for c-Src, Lck, c-YES, Lyn, Fyn, Fgr, and Blk and shows high selectivity over other tyrosine kinases.

[Related Catalog]:

Signaling Pathways >> Autophagy >> Autophagy
Signaling Pathways >> Protein Tyrosine Kinase/RTK >> Src
Research Areas >> Cancer

[Target]

IC50: 2.7 nM (Src), 30 nM (v-Abl), 66 nM (EGFR), 200 nM (c-Kit)[1]


[In Vitro]

Saracatinib (AZD0530), an orally available Src inhibitor, demonstrates potent antimigratory and anti-invasive effects in vitro, and inhibits metastasis in a murine model of bladder cancer. Antiproliferative activity of Saracatinib varies between cell lines (IC50 0.2-10 μM). Saracatinib potently inhibits the proliferation of Src3T3 mouse fibroblasts and demonstrates variable antiproliferative activity in a range of human cancer cell lines containing endogenous Src. Sub micromolar growth inhibition of five of the human cancer cell lines tested with Saracatinib (tumor types: colon, prostate, lung, and leukemia) is observed with IC50 values of 0.2-0.7 μM. In 3-day MTS cell proliferation assays, Saracatinib inhibits proliferation of the Bcr-Abl-driven human leukemia cell line K562 with an IC50 of 0.22 μM. In the microdroplet migration assay, Saracatinib reduces the migration of human lung cancer A549 cells in a concentration-dependent manner (IC50 0.14 μM)[1].

[In Vivo]

Saracatinib (AZD0530) treatment potently inhibits the proliferation of subcutaneously transplanted Src3T3 fibroblasts in mice and rats in a dose-dependent manner. In both models, significant inhibition of tumor growth is seen at doses ≥6 mg/kg/day (60% inhibition in mice and 98% inhibition in rats versus animals treated with vehicle) and, at the maximum doses investigated, complete tumor growth inhibition is observed (100% inhibition at 25 mg/kg/day in mice and 10 mg/kg/day in rats)[1].

[Kinase Assay]

Investigation of the reversibility and the mechanism of Saracatinib inhibition is conducted using a full-length activated human Src in a continuous, coupled assay. ATP and peptide substrate (Src II peptide) concentrations are varied in turn (ATP 40-1280 μM; Src II peptide 100-800 μM), in conjunction with Saracatinib (0-30 nM), at saturating concentrations of the non-varied substrate (ATP 1.6 mM; Src II peptide 1.0 mM). The binding affinity of Saracatinib for inactivated Src (phosphorylated at tyrosine 527, not tyrosine 416) is measured using a BIAcore inhibition-in-solution assay. The assay followed competition binding between Saracatinib and an immobilized ureidoquinazoline for binding to Src. Data analysis is performed by unweighted nonlinear regression using GraFit, version 5 and an F-test is used to identify the most suitable equation[1].

[Cell Assay]

Cell proliferation is assessed using a colorimetric 5-bromo-2′-deoxyuridine (BrdU) Cell Proliferation ELISA kit. Briefly, cells are plated onto 96-well plates (1.5×104 cells/well), the following day 0.039-20 μM Saracatinib in DMSO (at a final concentration of 0.5%) is added and the cells are incubated for 24 h. The cells are pulse labeled with BrdU for 2 h and fixed. Cellular DNA is then denatured with the provided solution and incubated with antiBrdU peroxidase for 90 min. Following three washes with phosphate-buffered saline, tetramethylbenzidine substrate solution is added and the plates are incubated on a plate shaker for 10-30 min until the positive control absorbance at 690 nm is approximately 1.5 absorbance units[1].

[Animal admin]

Mice and Rats[1] Female athymic mice (nu/nu) and rats (RH-rnu/rnu) are used. Animals are treated once daily by oral gavage with either vehicle alone or Saracatinib 6.25-50 mg/kg for 10-91 days. Tumor growth inhibition is calculated. For pharmacokinetic and pharmacodynamic analysis animals are humanely sacrificed and samples (plasma and tumor) are collected. Tumor samples are homogenized with 5 volumes of water and extracted with chloroform. Plasma and tumor samples are analyzed for Saracatinib concentration using high-performance liquid chromatography with tandem mass spectrometric detection after solid-phase extraction.

[References]

[1]. Green TP, et al. Preclinical anticancer activity of the potent, oral Src inhibitor AZD0530. Mol Oncol, 2009, 3(3), 248-261.

[2]. Fuse MA, et al. Combination Therapy With c-Met and Src Inhibitors Induces Caspase-Dependent Apoptosis of Merlin-Deficient Schwann Cells and Suppresses Growth of Schwannoma Cells. Mol Cancer Ther. Mol Cancer Ther. 2017 Nov;16(11):2387-2398.


[Related Small Molecules]

PP2 (AG 1879) | A 419259 trihydrochloride | DCC-2036 (Rebastinib) | SU6656 | 1-Naphthyl PP1 | WH-4-023 | Pelitinib | Src Inhibitor-1 | ENMD-2076 | TC-S 7003 | PD173955 | TG 100572 (Hydrochloride) | XL228 | A-196 | pp1

Chemical & Physical Properties

[ Density]:
1.3±0.1 g/cm3

[ Boiling Point ]:
671.3±55.0 °C at 760 mmHg

[ Molecular Formula ]:
C27H32ClN5O5

[ Molecular Weight ]:
542.026

[ Flash Point ]:
359.8±31.5 °C

[ Exact Mass ]:
541.209167

[ PSA ]:
90.44000

[ LogP ]:
2.74

[ Vapour Pressure ]:
0.0±2.1 mmHg at 25°C

[ Index of Refraction ]:
1.641

[ Storage condition ]:
-20℃


Related Compounds