Motesanib Diphosphate (AMG-706)

Motesanib Diphosphate (AMG-706) is a potent ATP-competitive inhibitor of VEGFR1/2/3 with IC50 of 2 nM/3 nM/6 nM, respectively; similar activity against Kit (c-Kit), ~10-fold more selective for VEGFR than PDGFR and Ret. Phase 3.

Motesanib Diphosphate (AMG-706)化学構造

CAS No. 857876-30-3

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Motesanib Diphosphate (AMG-706)関連製品

シグナル伝達経路

VEGFR阻害剤の選択性比較

生物活性

製品説明 Motesanib Diphosphate (AMG-706) is a potent ATP-competitive inhibitor of VEGFR1/2/3 with IC50 of 2 nM/3 nM/6 nM, respectively; similar activity against Kit (c-Kit), ~10-fold more selective for VEGFR than PDGFR and Ret. Phase 3.
Targets
VEGFR1 [1]
(Cell-free assay)
VEGFR2 [1]
(Cell-free assay)
VEGFR2/Flk1 [1]
(Cell-free assay)
VEGFR3 [1]
(Cell-free assay)
Kit [1]
(Cell-free assay)
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2 nM 3 nM 6 nM 6 nM 8 nM
In Vitro
In vitro

Motesanib Diphosphate has broad activity against the human VEGFR family, and displays >1000 selectivity against EGFR, Src, and p38 kinase. Motesanib Diphosphate significantly inhibits VEGF-induced cellular proliferation of HUVECs with an IC50 of 10 nM, while displaying little effect at bFGF-induced proliferation with an IC50 of >3,000 nM. Motesanib Diphosphate also potently inhibits PDGF-induced proliferation and SCF-induced c-kit phosphorylation with IC50 of 207 nM and 37 nM, respectively, but not effective against the EGF-induced EGFR phosphorylation and cell viability of A431 cells. [1] Althouth displaying little antiproliferative activity on cell growth of HUVECs alone, Motesanib Diphosphate treatment significantly sensitizes the cells to fractionated radiation. [2]

Kinase Assay In vitro kinase assays
Optimal enzyme, ATP, and substrate (gastrin peptide) concentrations are established for each enzyme using homogeneous time-resolved fluorescence (HTRF) assays. Motesanib Diphosphate is tested in a 10-point dose-response curve for each enzyme using an ATP concentration of two-thirds Km for each. Most assays consist of enzyme mixed with kinase reaction buffer [20 mM Tris-HCl (pH 7.5), 10 mM MgCl2, 5 mM MnCl2, 100 mM NaCl, 1.5 mM EGTA]. A final concentration of 1 mM DTT, 0.2 mM NaVO4, and 20 μg/mL BSA is added before each assay. For all assays, 5.75 mg/mL streptavidin-allophycocyanin and 0.1125 nM Eu-PT66 are added immediately before the HTRF reaction. Plates are incubated for 30 minutes at room temperature and read on a Discovery instrument. IC50 values are calculated using the Levenberg-Marquardt algorithm into a four-parameter logistic equation.
細胞実験 細胞株 A431, MO7e, HUVEC and NHDF cells
濃度 Dissolved in DMSO, final concentrations ~25 μM
反応時間 2 hours
実験の流れ

Cells are preincubated for 2 hours with different concentrations of Motesanib Diphosphate, and exposed with 50 ng/mL VEGF or 20 ng/mL bFGF for an additional 72 hours. Cells are washed twice with DPBS, and plates are frozen at -70 °C for 24 hours. Proliferation is assessed by the addition of CyQuant dye, and plates are read on a Victor 1420 workstation. IC50 data are calculated using the Levenberg-Marquardt algorithm into a four-parameter logistic equatio

In Vivo
In Vivo

Administration of Motesanib Diphosphate at 100 mg/kg significantly inhibits VEGF-induced vascular permeability in a time-dependent manner. Oral administration of Motesanib Diphosphate twice daily or once daily potently inhibits, in a dose-dependent manner, VEGF-induced angiogenesis using the rat corneal model with ED50 of 2.1 mg/kg and 4.9 mg/kg, respectively. Motesanib Diphosphate induces a dose-dependent tumor regression of established A431 xenografts by selectively targeting neovascularization in tumor cells. [1] Administration of Motesanib Diphosphate in combination with radiation displays significant anti-tumor activity in head and neck squamous cell carcinoma (HNSCC) xenograft models. [2] Motesanib Diphosphate treatment also induces significant dose-dependent reductions in tumor growth and blood vessel density of MCF-7, MDA-MB-231, or Cal-51 xenografts. [3]

動物実験 動物モデル Female Sprague-Dawley rats with induced corneal angiogenesis, and female CD-1 nu/nu mice injected s.c. with A431 cells
投与量 ~100 mg/kg
投与経路 Orally administered twice daily or once daily
NCT Number Recruitment Conditions Sponsor/Collaborators Start Date Phases
NCT01386866 Completed
Advanced Solid Tumors
Amgen
May 2009 Phase 1
NCT00448786 Completed
Solid Tumors
Amgen
February 2007 Phase 1
NCT00322400 Completed
Locally Recurrent and Metastatic Breast Cancer
Amgen
March 2006 Phase 1
NCT01235416 Completed
Histologically or Cytologically Documented Solid Tumors
Amgen
September 2005 Phase 1

化学情報

分子量 569.44 化学式

C22H23N5O.2H3PO4

CAS No. 857876-30-3 SDF Download Motesanib Diphosphate (AMG-706) SDFをダウンロードする
Smiles CC1(CNC2=C1C=CC(=C2)NC(=O)C3=C(N=CC=C3)NCC4=CC=NC=C4)C.OP(=O)(O)O.OP(=O)(O)O
保管

In vitro
Batch:

DMSO : 100 mg/mL ( (175.61 mM); Warmed with 50℃ water bath; 吸湿したDMSOは溶解度を減少させます。新しいDMSOをご使用ください。)

Water : 19 mg/mL

Ethanol : Insoluble

モル濃度計算器

in vivo
Batch:

Add solvents to the product individually and in order.

投与溶液組成計算機

実験計算

モル濃度計算器

質量 濃度 体積 分子量

投与溶液組成計算機(クリア溶液)

ステップ1:実験データを入力してください。(実験操作によるロスを考慮し、動物数を1匹分多くして計算・調製することを推奨します)

mg/kg g μL

ステップ2:投与溶媒の組成を入力してください。(ロット毎に適した溶解組成が異なる場合があります。詳細については弊社までお問い合わせください)

% DMSO % % Tween 80 % ddH2O
%DMSO %

計算結果:

投与溶媒濃度: mg/ml;

DMSOストック溶液調製方法: mg 試薬を μL DMSOに溶解する(濃度 mg/mL, 注:濃度が当該ロットのDMSO溶解度を超える場合はご連絡ください。 )

投与溶媒調製方法:Take μL DMSOストック溶液に μL PEG300,を加え、完全溶解後μL Tween 80,を加えて完全溶解させた後 μL ddH2O,を加え完全に溶解させます。

投与溶媒調製方法:μL DMSOストック溶液に μL Corn oil,を加え、完全溶解。

注意:1.ストック溶液に沈殿、混濁などがないことをご確認ください;
2.順番通りに溶剤を加えてください。次のステップに進む前に溶液に沈殿、混濁などがないことを確認してから加えてください。ボルテックス、ソニケーション、水浴加熱など物理的な方法で溶解を早めることは可能です。

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