Tyrphostin AG 879VEGFR-2 inhibitor CAS# 148741-30-4 |
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Quality Control & MSDS
Number of papers citing our products
Chemical structure
3D structure
Cas No. | 148741-30-4 | SDF | Download SDF |
PubChem ID | 5487525 | Appearance | Powder |
Formula | C18H24N2OS | M.Wt | 316.46 |
Type of Compound | N/A | Storage | Desiccate at -20°C |
Synonyms | Tyrphostin AG 879 | ||
Solubility | DMSO : ≥ 30 mg/mL (94.80 mM) *"≥" means soluble, but saturation unknown. | ||
Chemical Name | (E)-3-amino-2-[(3,5-ditert-butyl-4-oxocyclohexa-2,5-dien-1-ylidene)methyl]-3-sulfanylprop-2-enenitrile | ||
SMILES | CC(C)(C)C1=CC(=CC(=C(N)S)C#N)C=C(C1=O)C(C)(C)C | ||
Standard InChIKey | LCUMYVYIHXYBIA-FOWTUZBSSA-N | ||
Standard InChI | InChI=1S/C18H24N2OS/c1-17(2,3)13-8-11(7-12(10-19)16(20)22)9-14(15(13)21)18(4,5)6/h7-9,22H,20H2,1-6H3/b16-12+ | ||
General tips | For obtaining a higher solubility , please warm the tube at 37 ℃ and shake it in the ultrasonic bath for a while.Stock solution can be stored below -20℃ for several months. We recommend that you prepare and use the solution on the same day. However, if the test schedule requires, the stock solutions can be prepared in advance, and the stock solution must be sealed and stored below -20℃. In general, the stock solution can be kept for several months. Before use, we recommend that you leave the vial at room temperature for at least an hour before opening it. |
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About Packaging | 1. The packaging of the product may be reversed during transportation, cause the high purity compounds to adhere to the neck or cap of the vial.Take the vail out of its packaging and shake gently until the compounds fall to the bottom of the vial. 2. For liquid products, please centrifuge at 500xg to gather the liquid to the bottom of the vial. 3. Try to avoid loss or contamination during the experiment. |
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Shipping Condition | Packaging according to customer requirements(5mg, 10mg, 20mg and more). Ship via FedEx, DHL, UPS, EMS or other couriers with RT, or blue ice upon request. |
Description | Inhibitor of the tyrosine kinase activity of nerve growth factor (NGF) TrkA. Decreases cellular proliferation in human muscular sarcoma cell lines. Also inhibits ErbB2 and VEGFR-2 (IC50 values are approximately 1 μM for both). |
Tyrphostin AG 879 Dilution Calculator
Tyrphostin AG 879 Molarity Calculator
1 mg | 5 mg | 10 mg | 20 mg | 25 mg | |
1 mM | 3.16 mL | 15.7998 mL | 31.5996 mL | 63.1991 mL | 78.9989 mL |
5 mM | 0.632 mL | 3.16 mL | 6.3199 mL | 12.6398 mL | 15.7998 mL |
10 mM | 0.316 mL | 1.58 mL | 3.16 mL | 6.3199 mL | 7.8999 mL |
50 mM | 0.0632 mL | 0.316 mL | 0.632 mL | 1.264 mL | 1.58 mL |
100 mM | 0.0316 mL | 0.158 mL | 0.316 mL | 0.632 mL | 0.79 mL |
* Note: If you are in the process of experiment, it's necessary to make the dilution ratios of the samples. The dilution data above is only for reference. Normally, it's can get a better solubility within lower of Concentrations. |
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Tyrphostin AG 879 potently inhibits HER2/ErbB2 with IC50 of 1 μM, 100- and 500-fold higher selective to ErbB2 than PDGFR and EGFR.
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Novel actions of tyrphostin AG 879: inhibition of RAF-1 and HER-2 expression combined with strong antitumoral effects on breast cancer cells.[Pubmed:15526167]
Cell Mol Life Sci. 2004 Oct;61(19-20):2624-31.
Binding of growth factors to cell surface receptors activates protein tyrosine kinases (PTKs) that initiate cascades of downstream signaling events including the mitogen-activated protein (MAP) kinase cascade. This study reports that the PTK inhibitor AG 879 inhibits proliferation of human breast cancer cells through an effect involving inhibition of MAP kinase activation, but which cannot be explained by effects of AG 879 on its known PTK targets. Instead, AG 879 markedly inhibits expression of the RAF-1 gene, which encodes an upstream MAP kinase kinase kinase. Additionally, expression of HER-2, but not of other genes tested, is inhibited by this compound. These novel effects have to be considered when using AG 879 as a TRK-A and HER-2 inhibitor but may have useful therapeutic implications.
Role of nerve growth factor and its receptors in non-nervous cancer growth: efficacy of a tyrosine kinase inhibitor (AG879) and neutralizing antibodies antityrosine kinase receptor A and antinerve growth factor: an in-vitro and in-vivo study.[Pubmed:16940803]
Anticancer Drugs. 2006 Sep;17(8):929-41.
Neurotrophins, originally identified as neuronal survival and differentiation factors, exert their actions through tyrosine kinase receptors such as TrKA, in the case of the nerve growth factor. Neurotrophins also interact with p75, a common receptor devoid of kinase activity and connected to apoptosis. Here we show that nerve growth factor, TrKA and p75 are expressed in cell lines of human cancers of various non-neuronal lineages, including a panel of muscular sarcomas, and we show that all cell lines investigated actively release nerve growth factor into the medium. Treatment by AG879 (a tyrosine kinase inhibitor that inhibits TrKA phosphorylation, but not TrKB and TrKC) or by neutralizing antibodies anti-nerve growth factor and anti-TrKA dramatically decreases their proliferation with a variable increase in apoptosis. Similarly, p75 transfection induced a significant increase in apoptosis. Furthermore, for the first time we have determined by high-performance liquid chromatography the pharmacokinetic profile of a novel preparation of AG879 and we have established an optimal plasmatic concentration for in-vivo administration. Treatment with AG879 in immunodepressed mice grafted with leiomyosarcoma or promyelocytic leukemia cells resulted in dramatic reductions in tumor sizes. In conclusion, our data have a novel preclinical potential for revealing a possible therapeutical utility in targeting in-vivo nerve growth factor/TrKA by AG879 or neutralizing antibody anti-TrKA in cancer proliferation and in muscle sarcomas, in particular.
The Tyr-kinase inhibitor AG879, that blocks the ETK-PAK1 interaction, suppresses the RAS-induced PAK1 activation and malignant transformation.[Pubmed:14726663]
Cancer Biol Ther. 2004 Jan;3(1):96-101. Epub 2004 Jan 29.
AG 879 has been widely used as a Tyr kinase inhibitor specific for ErbB2 and FLK-1, a VEGF receptor. The IC(50) for both ErbB2 and FLK-1 is around 1 microM. AG 879, in combination of PP1 (an inhibitor specific for Src kinase family), suppresses almost completely the growth of RAS-induced sarcomas in nude mice. In this paper we demonstrate that AG 879 even at 10 nM blocks the specific interaction between the Tyr-kinase ETK and PAK1 (a CDC42/ Rac-dependent Ser/Thr kinase) in cell culture. This interaction is essential for both the RAS-induced PAK1 activation and transformation of NIH 3T3 fibroblasts. However, AG 879 at 10 nM does not inhibit either the purified ETK or PAK1 directly in vitro, suggesting that this drug blocks the ETK-PAK1 pathway by targeting a highly sensitive kinase upstream of ETK. Although the Tyr-kinases Src and FAK are known to activate ETK directly, Src is insensitive to AG 879, and FAK is inhibited by 100 nM AG 879, but not by 10 nM AG879. The structure-function relationship analysis of AG 879 derivatives has revealed that both thio and tert-butyl groups of AG 879, but not (thio) amide group, are essential for its biological function (blocking the ETK-PAK1 pathway), suggesting that through the (thio) amide group, AG 879 can be covalently linked to agarose beads to form a bioactive affinity ligand useful for identifying the primary target of this drug.