Bosutinib (SKI-606)

Bosutinib(SKI-606)はそれぞれ1.2nMと1nMのIC50値による新しい二重Sarcoma/アベルソン(Src/Abl)チロシン・キナーゼ阻害剤です。

目録号S1014
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Bosutinib (SKI-606) 化学構造
分子量: 530.45

品質と確認

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Quality Control & MSDS

製品情報

  • Combination Therapy
    併用療法
  • Compare Src Inhibitors
    Src阻害剤を比較
  • 研究分野
  • Bosutinib (SKI-606)のメカニズム

製品の説明

生物活性

情報 Bosutinib(SKI-606)はそれぞれ1.2nMと1nMのIC50値による新しい二重Sarcoma/アベルソン(Src/Abl)チロシン・キナーゼ阻害剤です。
目標

Src

Abl

IC50

1.2 nM [1]

1 nM [2]

In vitro試験 Bosutinib is selective for Src over non-Src family kinases with an IC50 of 1.2 nM, and potently inhibits Src-dependent cell proliferation with an IC50 of 100 nM. [1] Bosutinib significantly inhibits the proliferation of Bcr-Abl-positive leukemia cell lines KU812, K562, and MEG-01 but not Molt-4, HL-60, Ramos, and other leukemia cell lines, with IC50 of 5 nM, 20 nM and 20 nM, respectively, more potently than that of STI-571. Similar to STI-571, Bosutinib displays antiproliferative activity against the Abl-MLV-transformed fibroblasts with IC50 of 90 nM. Bosutinib ablates tyrosine phosphorylation of Bcr-Abl and STAT5 in CML cells and of v-Abl expressed in fibroblasts at the concentration of ~50 nM, 10-25 nM and 200 nM, respectively, leading to the Bcr-Abl downstream signaling inhibition of Lyn/Hck phosphorylation. [2] Although unable to inhibit the proliferation and survival of breast cancer cells, Bosutinib significantly decreases the motility and invasion of breast cancer cells with IC50 of ~250 nM, involved with an increase in cell-to-cell adhesion and membrane localization of β-catenin. [3]
In vivo試験 Bosutinib (60 mg/kg/day) is active against Src-transformed fibroblasts xenografts and HT29 xenografts in nude mice with T/C of 18% and 30%, respectively. [1] Oral administration of Bosutinib for 5 days significantly suppresses K562 tumor growth in mice in a dose-dependent manner, with the large tumors eradicated at dose of 100 mg/kg and tumor free at 150 mg/kg without overt toxicity. [2] As being inactive against Colo205 xenografts in nude mice at 50 mg/kg twice daily, Bosutinib dosing at 75 mg/kg twice daily is necessary against Colo205 xenografts, and increasing the dose of Bosutinib has no additional benefit, in contrast to the significant dose-dependent ability against HT29 xenografts. [4]
臨床試験 A Phase I study to compare the Bosutinib clinical tablet and clinical capsule and to investigate food effect on Bosutinib commercial formulation in healthy subjects has been completed.
特集

推薦された実験操作 (公開の文献だけ)

キナーゼアッセイ:

[1]

The Src and Abl kinase assays The Src kinase activity is measured in an ELISA format. Src (3 units/reaction), reaction buffer (50 mM Tris-HCl pH 7.5, 10 mM MgCl2, 0.1 mM EGTA, 0.5 mM Na3VO4) and cdc2 substrate peptide are added to various concentration of Bosutinib and incubated at 30 °C for 10 minutes. The reaction is started by the addition of ATP to a final concentration of 100 μM, incubated at 30 °C for 1 hour and stopped by addition of EDTA. Instructions from the manufacturer are followed for subsequent steps. The Abl kinase assay is performed in a DELFIA solid phase europium-based detection assay format. Biotinylated peptide (2 μM) is bound to streptavidin-coated microtitration plates for 1.5 hours in 1 mg/mL ovalbumin in PBS. The plates are washed for 1 hour with PBS/0.1% Tween 80, followed by a PBS wash. The kinase reaction is incubated for 1 hour at 30°C. Abl kinase (10 units) is mixed with 50 mM Tris-HCl (pH 7.5), 10 mM MgCl2, 80 μM EGTA, 100 μM ATP, 0.5 mM Na3VO4, 1% DMSO, 1 mM HEPES (pH 7.0), 200 μg/mL ovalbumin and various concentration of Bosutinib. The reaction is stopped with EDTA at a final concentration of 50 mM. The reaction is monitored with Eu-labeled phosphotyrosine antibody and DELFIA enhancement solution.

細胞アッセイ:

[2]

細胞系 Abl-MLV, Rat 2, KU812, K562, and MEG-01 cells
濃度 Dissolved in DMSO, final concentrations ~1 μM
処理時間 72 hours
方法

Cells are exposed to various concentrations of Bosutinib for 72 hours. Anchorage-independent proliferation of Abl-MLV-transformed fibroblasts is measured in 96-well ultra-low binding plates treated with Sigmacote to block residual cell attachment. Cell proliferation is measured with MTS or Cell-Glo. For the determination of cell cycle or cell death, cells are prepared for FACS analysis in the CycleTest Plus DNA reagent kit and analyzed on a fluorescence-activated cell sorter flow cytometer.

動物実験:

[2]

動物モデル Nude female mice injected with K562 cells
製剤 Suspended in 0.5% methocel/0.4% Tween 80
投薬量 ~150 mg/kg/day
管理 Oral gavage
1

参考

化学情報

Download Bosutinib (SKI-606) SDF
分子量 530.45
化学式

C26H29Cl2N5O3

CAS No. 380843-75-4
保管 2年-20℃
6月-80℃in DMSO
別名
溶解度 (25°C) * In vitro DMSO 100 mg/mL (188 mM)
<1 mg/mL (<1 mM)
エタノール 2 mg/mL (3 mM)
* <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.
化学名 4-(2,4-dichloro-5-methoxyphenylamino)-6-methoxy-7-(3-(4-methylpiperazin-1-yl)propoxy)quinoline-3-carbonitrile

研究分野

カスタマーレビュー (3)


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Source J Biol Chem, 2010, 285, 7977–7985. Bosutinib (SKI-606) purchased from Selleck
Method Western blot
Cell Lines Mouse sperm
Concentrations 0-50 μM
Incubation Time 60 min
Results In the case of SKI606, a sharp inhibitory effect was observed at 50 μM.

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Source J Virol, 2011, 85, 2296–2303. Bosutinib (SKI-606) purchased from Selleck
Method Endothelial cell permeability assay
Cell Lines Human endothelial cells
Concentrations 0-10 μM
Incubation Time 15-60 min
Results Figure C defines concentrations of kinase inhibitors which block ANDV-induced EC permeability approximately 50% (IC50s). IC50s of bosutinib are 100 nM and 10 μM. we next assessed the abilities of bosutinib to block ANDV-induced permeability at its IC50s from 15 to 60 min after VEGF addition, we find that bosutinib inhibited ANDV-induced permeability up to 40 to 50% but only at IC50s of 10 μM(Figure D).

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Source Dr Pablo E.Visconti from University of Massachusetts. Bosutinib (SKI-606) purchased from Selleck
Method Western blot
Cell Lines sperm
Concentrations 50 μΜ
Incubation Time
Results PKA and tyrosine phosphorylation was rescue by Ser/Thr phosphatase inhibitors SKI-606 and SU6656.

製品表彰状 (6)

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