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Bosutinib (SKI-606) (Synonyms: SKI 606)

Catalog No.GC13343

Bosutinib (SKI-606) is an oral Src/Abl tyrosine kinase inhibito with IC50 of 1.2 nM and 1 nM, respectively.

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Bosutinib (SKI-606) Chemical Structure

Cas No.: 380843-75-4

Size Price Stock Qty
10mM (in 1mL DMSO)
$46.00
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Sample solution is provided at 25 µL, 10mM.

Product Documents

Quality Control & SDS

View current batch:

Protocol

Cell experiment: [1]

Cell lines

MDA-MB-468, MDA-MB-231, MCF-7 and MDA-MB-435 cells

Preparation method

The solubility of this compound in DMSO is >10 mM. General tips for obtaining a higher concentration: Please warm the tube at 37 °C for 10 minutes and/or shake it in the ultrasonic bath for a while.Stock solution can be stored below -20°C for several months.

Reaction Conditions

1 μM, 48 hours

Applications

Effects on cell morphology were observed at a concentration of 1 µM SKI-606 for all cell lines examined, and morphological changes were apparent at concentrations as low as 0.25 µM. SKI-606 caused the cells to adhere to each other, forming dense clusters as compared to vehicle control (DMSO) treated cells, which showed spreading over larger areas.

Animal experiment: [2]

Animal models

Female athymic nude mice bearing human pancreas xenografts (P281 or P420)

Dosage form

Oral administration, 100 mg/Kg/d, for 28 days

Applications

Two xenografts, one sensitive (P281) and one resistant (P420), were chosen to assess pharmacodynamic changes by Western blot after treatment with bosutinib. Four different samples were analyzed from P281and P420, and optical scanning was done. The sensitive xenograft P281showed decreased posttreatment Src, STAT-5, p-STAT-5, p-Akt, MAPK, and EGFR. Bosutinib-treated P281showed a marked increase in cleaved PARP.

Other notes

Please test the solubility of all compounds indoor, and the actual solubility may slightly differ with the theoretical value. This is caused by an experimental system error and it is normal.

References:

[1] Vultur A, Buettner R, Kowolik C, et al. SKI-606 (bosutinib), a novel Src kinase inhibitor, suppresses migration and invasion of human breast cancer cells. Molecular cancer therapeutics, 2008, 7(5): 1185-1194.

[2] Messersmith W A, Rajeshkumar N V, Tan A C, et al. Efficacy and pharmacodynamic effects of bosutinib (SKI-606), a Src/Abl inhibitor, in freshly generated human pancreas cancer xenografts. Molecular cancer therapeutics, 2009, 8(6): 1484-1493.

Background

Bosutinib (SKI-606) is a potent inhibitor of Src and Abl kinases with IC50 of 1.2 nM and 1 nM [1].

In chronic myelogenous leukemia (CML) cells, SKI-606 inhibited phosphorylation of Bcr-Abl, Src and Stat5. It also ablated the expression of v-Abl in fibroblasts and blocked proliferation of CML cells [2]. In colorectal cancer cells, SKI-606 inhibited Src autophosphorylation with an IC50 of ~ 0.25 μM, and simultaneity suppressed Tyr (925) phosphorylation of a Src substrate [3]. SKI-606 blocked beta-catenin function by inhibiting its binding to the TCF4 transcription factor and dose-dependently suppressed cyclin D1. SKI-606 increased its binding affinity of beta-catenin to E-cadherin and adhesion, with ensuing reduced motility in a wound healing assay [4].

Oral administration of SKI-606 at 100 mg/kg for 5 days causes complete regression of large K562 xenografts in nude mice [2].

[1]. Boschelli DH, Ye F, Wang YD, Dutia M, Johnson SL, Wu B, Miller K, Powell DW, Yaczko D, Young M, Tischler M, Arndt K, Discafani C, Etienne C, Gibbons J, Grod J, Lucas J, Weber JM, Boschelli F. Optimization of 4-phenylamino-3-quinolinecarbonitriles as potent inhibitors of Src kinase activity. J Med Chem. 2001 Nov 8;44(23):3965-77.

References:
[2]. Golas JM, Arndt K, Etienne C, Lucas J, Nardin D, Gibbons J, Frost P, Ye F, Boschelli DH, Boschelli F. SKI-606, a 4-anilino-3-quinolinecarbonitrile dual inhibitor of Src and Abl kinases, is a potent antiproliferative agent against chronic myelogenous leukemia cells in culture and causes regression of K562 xenografts in nude mice. Cancer Res. 2003 Jan 15;63(2):375-81.
[3]. Golas JM, Lucas J, Etienne C, Golas J, Discafani C, Sridharan L, Boghaert E, Arndt K, Ye F, Boschelli DH, Li F, Titsch C, Huselton C, Chaudhary I, Boschelli F. SKI-606, a Src/Abl inhibitor with in vivo activity in colon tumor xenograft models. Cancer Res. 2005 Jun 15;65(12):5358-64.
[4]. Coluccia AM, Benati D, Dekhil H, De Filippo A, Lan C, Gambacorti-Passerini C. SKI-606 decreases growth and motility of colorectal cancer cells by preventing pp60(c-Src)-dependent tyrosine phosphorylation of beta-catenin and its nuclear signaling. Cancer Res. 2006 Feb 15;66(4):2279-86.

Chemical Properties

Cas No. 380843-75-4 SDF
Synonyms SKI 606
Chemical Name 4-(2,4-dichloro-5-methoxyanilino)-6-methoxy-7-[3-(4-methylpiperazin-1-yl)propoxy]quinoline-3-carbonitrile
Canonical SMILES CN1CCN(CC1)CCCOC2=C(C=C3C(=C2)N=CC(=C3NC4=CC(=C(C=C4Cl)Cl)OC)C#N)OC
Formula C26H29Cl2N5O3 M.Wt 530.45
Solubility ≥ 26.5mg/mL in DMSO Storage 4°C, protect from light
General tips Please select the appropriate solvent to prepare the stock solution according to the solubility of the product in different solvents; once the solution is prepared, please store it in separate packages to avoid product failure caused by repeated freezing and thawing.Storage method and period of the stock solution: When stored at -80°C, please use it within 6 months; when stored at -20°C, please use it within 1 month.
To increase solubility, heat the tube to 37°C and then oscillate in an ultrasonic bath for some time.
Shipping Condition Evaluation sample solution: shipped with blue ice. All other sizes available: with RT, or with Blue Ice upon request.

Complete Stock Solution Preparation Table

Prepare stock solution
1 mg 5 mg 10 mg
1 mM 1.8852 mL 9.426 mL 18.8519 mL
5 mM 0.377 mL 1.8852 mL 3.7704 mL
10 mM 0.1885 mL 0.9426 mL 1.8852 mL
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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.

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

Review for Bosutinib (SKI-606)

Average Rating: 5 ★★★★★ (Based on Reviews and 12 reference(s) in Google Scholar.)

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