| AG957a tyrphostin that targets transforming Bcr-Abl fusion proteins |
Sample solution is provided at 25 µL, 10mM.
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| Cas No. | 140674-76-6 | SDF | Download SDF |
| Synonyms | NSC 654705,Tyrphostin AG957 | ||
| Chemical Name | 4-[[(2,5-dihydroxyphenyl)methyl]amino]-benzoic acid, methyl ester | ||
| Canonical SMILES | OC1=C(CNC2=CC=C(C(OC)=O)C=C2)C=C(O)C=C1 | ||
| Formula | C15H15NO4 | M.Wt | 273.3 |
| Solubility | ≤5mg/ml in DMSO | Storage | Store at -20°C |
| Physical Appearance | A crystalline solid | Shipping Condition | Evaluation sample solution : ship with blue ice.All other available size:ship with RT , or blue ice upon request |
| 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. | ||
AG957 is a tyrosine phosphorylation inhibitor that targets transforming Bcr-Abl fusion proteins (p185Bcr-Abl, p210Bcr-Abl), as well as normal c-Abl [1].
The abl proto-oncogene is expressed in all cell types. The protein p140c-abl is localized both to the nucleus and the cytoplasm. The abl transforming proteins p160gag-abl, p210bcr-abl, and p185bcr-abl are exclusively cytoplasmic proteins. The intrinsic protein tyrosine kinase activity of the transforming abl proteins is higher than that of the normal p140c-abl [1].
AG957 is a tyrosine phosphorylation inhibitor. AG957 inhibited human p185Bcr-Abl, p210Bcr-Abl and normal c-Abl with IC50 values of 4.3, 1, and 7.1 μM, respectively. AG957 inhibited mouse normal c-Abl with IC50 value of 6 μM. AG957 also inhibited epidermal growth factor receptor with IC50 value of 0.25 μM. In chronic myelogenous leukemia (CML) K562 cells, AG957 inhibited p210bcr-abl kinase activity and cell growth. AG957 at 20 μM also inhibited DNA synthesis as early as 2 h by 60% [2]. In K562 cells, AG957, a selective Bcr-Abl inhibitor, blocked taxol-induced PKCi activation and sensitized these cells to taxol-induced apoptosis [3].
In mice, AG957, the c-Abl inhibitor, attenuated LPS-induced pulmonary permeability [4].
References:[1]. Anafi M, Gazit A, Gilon C, et al. Selective interactions of transforming and normal abl proteins with ATP, tyrosine-copolymer substrates, and tyrphostins. J Biol Chem. 1992 Mar 5;267(7):4518-23.[2]. Kaur G, Gazit A, Levitzki A, et al. Tyrphostin induced growth inhibition: correlation with effect on p210bcr-abl autokinase activity in K562 chronic myelogenous leukemia. Anticancer Drugs. 1994 Apr;5(2):213-22.[3]. Jamieson L, Carpenter L, Biden TJ, et al. Protein kinase Ciota activity is necessary for Bcr-Abl-mediated resistance to drug-induced apoptosis. J Biol Chem. 1999 Feb 12;274(7):3927-30.[4]. Fu P, Usatyuk PV, Lele A, et al. c-Abl mediated tyrosine phosphorylation of paxillin regulates LPS-induced endothelial dysfunction and lung injury. Am J Physiol Lung Cell Mol Physiol. 2015 May 15;308(10):L1025-38.
