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
5 5 3レビュー 10製品表彰状
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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

  • Compare Src Inhibitors
    Src阻害剤を比較
  • 研究分野
  • Combination Therapy
    併用療法
  • 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

Conversion of different model animals based on BSA (Value based on data from FDA Draft Guidelines)

SpeciesBaboonDogMonkeyRabbitGuinea pigRatHamsterMouse
Weight (kg)121031.80.40.150.080.02
Body Surface Area (m2)0.60.50.240.150.050.0250.020.007
Km factor202012128653
Animal A (mg/kg) = Animal B (mg/kg) multiplied by  Animal B Km
Animal A Km

For example, to modify the dose of resveratrol used for a mouse (22.4 mg/kg) to a dose based on the BSA for a rat, multiply 22.4 mg/kg by the Km factor for a mouse and then divide by the Km factor for a rat. This calculation results in a rat equivalent dose for resveratrol of 11.2 mg/kg.

Rat dose (mg/kg) = mouse dose (22.4 mg/kg) ×  mouse Km(3)  = 11.2 mg/kg
rat Km(6)
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 (188.51 mM)
<1 mg/mL (<1 mM)
エタノール 2 mg/mL (3.77 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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Rating
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 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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Rating
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 (10)

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