PF-04217903
mRNA synthesis
In vitro transcription of capped mRNA with modified nucleotides and Poly(A) tail
Tyramide Signal Amplification (TSA)
TSA (Tyramide Signal Amplification), used for signal amplification of ISH, IHC and IC etc.
Phos Binding Reagent Acrylamide
Separation of phosphorylated and non-phosphorylated proteins without phospho-specific antibody
Cell Counting Kit-8 (CCK-8)
A convenient and sensitive way for cell proliferation assay and cytotoxicity assay
SYBR Safe DNA Gel Stain
Safe and sensitive stain for visualization of DNA or RNA in agarose or acrylamide gels.
Inhibitor Cocktails
Protect the integrity of proteins from multiple proteases and phosphatases for different applications.
PF-04217903是c-Met激酶的ATP竞争性小分子抑制剂,Ki值为4.8 nM[1]。
c-Met激酶是一种受体酪氨酸激酶(RTK),在胚胎发育和伤口愈合中发挥关键作用。特意配体肝细胞生长因子(HGF)激活c-Met,诱发了一系列生物学反应,它们共同产生侵袭生长。在癌症中,c-Met的异常活化与肿瘤生长、新生血管形成和不良预后相关。PF-04217903是c-Met的高选择性抑制剂,在肿瘤模型中,它显示出抗肿瘤活性,这些肿瘤中c-Met通过以下机制被激活:c-Met基因扩增、HGF / c-Met自分泌环的形成或c-Met过表达[1]。
与其他150种激酶相比,PF-04217903对c-Met激酶表现出超过1000倍的更大选择性。在人肿瘤和内皮细胞系如GTL-16、H1993和HT29细胞中,PF-04217903抑制c-Met的平均IC50值为7.3 nM。 PF-04217903可抑制某些突变的c-Met,例如R988C、V1092I 、H1094R和T11010I,IC50值分别为6.4 nM、16 nM、3.1 nM、24 nM和6.7 nM。除此之外,PF-04217903抑制c-Met扩增的GTL-16和H1993细胞的增殖,IC50值分别为12和30 nM。在GTL-16细胞中,PF-04217903 可以诱导细胞凋亡[1,2]。
在注射GTL-16肿瘤的小鼠中,给药PF-04217903剂量依赖性的抑制c-Met磷酸化,显示出抗肿瘤效果。它抑制c-Met磷酸化的EC50值为10 nM,抑制肿瘤生长的EC50值为13 nM。此外,研究发现,PF-04217903可以影响c-Met的下游信号转导,例如AKT、STAT5和Gab-1 [1]。
参考文献:
[1] Zou H Y, Li Q, Lee J H, et al. Sensitivity of selected human tumor models to PF-04217903, a novel selective c-Met kinase inhibitor. Molecular cancer therapeutics, 2012, 11(4): 1036-1047.
[2] Cui J J, McTigue M, Nambu M, et al. Discovery of a Novel Class of Exquisitely Selective Mesenchymal-Epithelial Transition Factor (c-MET) Protein Kinase Inhibitors and Identification of the Clinical Candidate 2-(4-(1-(Quinolin-6-ylmethyl)-1 H-[1, 2, 3] triazolo [4, 5-b] pyrazin-6-yl)-1 H-pyrazol-1-yl) ethanol (PF-04217903) for the Treatment of Cancer. Journal of medicinal chemistry, 2012, 55(18): 8091-8109.
Physical Appearance | A solid |
Storage | Store at -20°C |
M.Wt | 372.38 |
Cas No. | 956905-27-4 |
Formula | C19H16N8O |
Solubility | insoluble in EtOH; insoluble in H2O; ≥18.6 mg/mL in DMSO |
Chemical Name | 2-[4-[3-(quinolin-6-ylmethyl)triazolo[4,5-b]pyrazin-5-yl]pyrazol-1-yl]ethanol |
SDF | Download SDF |
Canonical SMILES | C1=CC2=C(C=CC(=C2)CN3C4=NC(=CN=C4N=N3)C5=CN(N=C5)CCO)N=C1 |
运输条件 | 蓝冰运输或根据您的需求运输。 |
一般建议 | 不同厂家不同批次产品溶解度各有差异,仅做参考。若实验所需浓度过大至产品溶解极限,请添加助溶剂助溶或自行调整浓度。溶液形式一般不宜长期储存,请尽快用完。 |
质量控制和MSDS
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