PF-04217903

PF-04217903 is a selective ATP-competitive c-Met inhibitor with IC50 of 4.8 nM in A549 cell line, susceptible to oncogenic mutations (no activity to Y1230C mutant). Phase 1.

PF-04217903化学構造

CAS No. 956905-27-4

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PF-04217903関連製品

シグナル伝達経路

c-Met阻害剤の選択性比較

Cell Data

Cell Lines Assay Type Concentration Incubation Time 活性情報 PMID
human A549 cells Function assay 1 h Antagonist activity at c-MET receptor in human A549 cells assessed as inhibition of autophosphorylation after 1 hr by ELISA, IC50=4 nM
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生物活性

製品説明 PF-04217903 is a selective ATP-competitive c-Met inhibitor with IC50 of 4.8 nM in A549 cell line, susceptible to oncogenic mutations (no activity to Y1230C mutant). Phase 1.
Targets
c-Met [1]
(A549 cells)
4.8 nM
In Vitro
In vitro Being more selective than staurosporine or PF-02341066, PF-04217903 displays >1000-fold selectivity for c-Met over a panel of 208 kinases, although more susceptible to oncogenic mutations of c-Met that attenuate potency than PF-02341066. In addition to WT c-Met, this compound displays similar potency to inhibit the activity of c-Met-H1094R, c-Met-R988C, and c-Met-T1010I with IC50 of 3.1 nM, 6.4 nM, and 6.7 nM, respectively, but has no inhibitory activity against c-Met-Y1230C with IC50 of >10 μM. [1] This chemical in combination with sunitinib significantly inhibits endothelial cells, but not the tumor cells B16F1, Tib6, EL4, and LLC [2] It significantly inhibits the clonogenic growth of LXFA 526L and LXFA 1647L with IC50 values of 16 nM, and 13 nM, respectively, yielding an additive effect when in combination with cetuximab. [3] This compound potently inhibits c-Met-driven processes such as cell growth, motility, invasion, and morphology of a variety of tumor cells. Its treatment (2 μM) increased cell death of GTL-16 cells, which involves the downregulation of phosphorylated 4E-BP1, ERK/MAPK associated proteins and PI3K/AKT pathway. [4]
Kinase Assay Cellular c-Met phosphorylation ELISA
A549 cells with endogenous human WT c-Met are seeded in 96-well plates in growth medium and cultured overnight. On the second day of the assay, the growth medium is replaced with serum-free medium (with 0.04% BSA). Serial dilutions of this compound are added to each well, and cells are incubated at 37 °C for 1 hour. Then 40 ng/mL HGF is added to the cells for 20 minutes. The cells are washed once with HBSS supplemented with 1 mM Na3VO4, and protein lysates are generated from cells using lysis buffer. Phosphorylation of c-Met is assessed by an ELISA method utilizing capture antibodies specific for c-Met and a detection antibody specific for phosphorylated tyrosine residues. Antibody-coated plates are incubated in the presence of protein lysates at 4 °C overnight and washed with 1% Tween 20 in PBS seven times. HRP-PY20 (horseradish peroxidase-conjugated anti-phosphotyrosine) is diluted 1:500 in blocking buffer and added to each plate for 30 minutes. Plates are then washed again, and TMB peroxidase substrate is added to initiate the HRP-dependent colorimetric reaction and the reaction stopped by addition of 0.09 N H2SO4. ELISA end points are the absorbance measured at 450 nm using a spectrophotometer. IC50 value is calculated by concentration-response curve fitting utilizing a Microsoft Excel-based four-parameter analytical met
細胞実験 細胞株 B16F1, Tib6, EL4, and LLC, HUVECs and C166 cells
濃度 Dissolved in DMSO, final concentrations ~2 μM
反応時間 4 days
実験の流れ Cells are treated with different concentrations of PF-04217903 for 4 days. Cell proliferation is assessed by counting content of each well using a Coulter counter machine.
In Vivo
In Vivo Although unable to inhibit tumor growth in the sunitinib-sensitive B16F1 and Tib6 tumor models, the combination of PF-04217903 and sunitinib significantly inhibits tumor growth in sunitinib-resistant EL4, and LLC tumor models compared with sunitinib or this compound alone by significantly blocking vascular expansion, indicating a functional role for HGF/c-Met axis in the sunitinib-resistant tumors. [2]
動物実験 動物モデル Immunodeficient nude mice (nu/nu) subcutaneously implanted with tumor cell lines B16F1, EL4, LLC, or Tib6
投与量 45 mg/kg
投与経路 Orally
NCT Number Recruitment Conditions Sponsor/Collaborators Start Date Phases
NCT00706355 Terminated
Neoplasms
Pfizer
August 2008 Phase 1
  • https://pubmed.ncbi.nlm.nih.gov/19459657/
  • https://pubmed.ncbi.nlm.nih.gov/20952508/
  • https://pubmed.ncbi.nlm.nih.gov/21273060/
  • https://pubmed.ncbi.nlm.nih.gov/21936566/

化学情報

分子量 372.38 化学式

C19H16N8O

CAS No. 956905-27-4 SDF Download PF-04217903 SDFをダウンロードする
Smiles C1=CC2=C(C=CC(=C2)CN3C4=NC(=CN=C4N=N3)C5=CN(N=C5)CCO)N=C1
保管

In vitro
Batch:

DMSO : 74 mg/mL ( (198.72 mM); 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 : Insoluble

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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