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| Product Name: | U0126 | | Synonyms: | U0126;1,4-DIAMINO-2,3-DICYANO-1,4-BIS(2-AMINOPHENYLTHIO)BUTADIENE;1,4-DIAMINO-2,3-DICYANO-1,4-BIS(2-AMINOPHYNYLTIO)BUTADIENE;1,4-DIAMINO-2,3-DICYANO-1,4-BIS(O-AMINOPHENYLMERCAPTO)BUTADIENE;1,4-DIAMINO-2,3-DICYANO-1;UO 126;U0126 >99%;2,3-Bis[amino[(2-aminophenyl)thio]methylene]butanedinitrile | | CAS: | 109511-58-2 | | MF: | C18H16N6S2 | | MW: | 380.49 | | EINECS: | | Product Categories: | Signalling;Protein Kinase;Inhibitor | | Mol File: | 109511-58-2.mol |
| U0126 Chemical Properties |
| Melting point | approximate 154℃(dec.) | | Boiling point | 565.1±50.0 °C(Predicted) | | density | 1.44 | | RTECS | EJ9710000 | | storage temp. | Desiccate at +4°C | | solubility | Soluble in DMSO (up to 200 mg/ml). | | pka | 2.11±0.10(Predicted) | | form | White solid | | color | White | | Water Solubility | Soluble in DMSO. Poorly soluble in ethanol and water | | Stability: | Stable for 1 year from date of purchase as supplied. Solutions in DMSO may be stored at -20° for up to 3 months. |
| U0126 Usage And Synthesis |
| Description | U-0126 is a MEK inhibitor with IC50 values of 72 nM and 58 nM for MEK1 and MEK2, respectively. It is noncompetitive with respect adenosine triphosphate (ATP) and its phosphorylation target ERK and it shows little to no inhibition against a number of other kinases including PKC, Ab1, Raf, MEKK, ERK, JNK, MKK-3, MKK-4, MKK-6, Cdk2, and Cdk4. However, U-0126 does phosphorylate and activate AMP-activated protein kinase (AMPK) in a dose-dependent manner (EC50 = 15 μM in HEK293 cells). It increases the ratios of ADP to ATP and AMP to ATP and increases phosphorylation of the AMPK target acetyl-CoA carboxylase (ACC). | | Uses | A chemically synthesized and highly selective inhibitor of both MEK1 and MEK2 with IC50s of 70 nM and 60 nM, respectively. | | Uses | U0126 is a MEK inhibitor. | | Definition | ChEBI: A dinitrile that is succinonitrile in which the methylene hydrogens at positions 2 and 3 are substituted by (2-aminophenyl)sulfanyl]methylidene groups. A potent and selective non-competitive inhibitor of MAP kinase kinase. | | General Description | A potent and specific inhibitor of MEK1 (IC50 = 72 nM) and MEK2 (IC50 = 58 nM). The inhibition is noncompetitive with respect to MEK substrates, ATP and ERK. Has very little effect on other kinases, such as Abl, Cdk2, Cdk4, ERK, JNK, MEKK, MKK-3, MKK-4/SEK, MKK-6, PKC, and Raf. Shown to block doxazosin-induced osteoblastic differentiation. U0126 also acts as an immunosuppressant by effectively blocking IL-2 synthesis and T cell proliferation without affecting the long-term outcomes of either T cell activation or tolerance. Noncompetitive with respect to ATP. Also available in InSolution format (Cat. No. 662009. | | Biological Activity | Potent and selective non-competitive inhibitor of MAP kinase kinase. Inhibits MEK-1 and MEK-2 (IC 50 values of 0.07 and 0.06 μ M respectively) with little or no effect on the activities of PKC, Abl, Raf, MEKK, ERK, JNK, MKK-3, MKK-4/SEK, MKK-6, Cdk2 or Cdk4. Centrally active following systemic administration in vivo . Also available as part of the MAPK Cascade Inhibitor Tocriset™ and MAPK Inhibitor Tocriset™ . | | Biochem/physiol Actions | Primary TargetMEK1 and MEK2 | | References | 1) Favata et al. (1998), Identification of a novel inhibitor of mitogen activated protein kinase kinase; J. Biol. Chem., 273 8623
2) Miyoshi et al. (2012), Antitumor activity of MEK and PI3K inhibitors against malignant pleural mesothelioma cells in vitro and in vivo; Int. J. Oncol., 41 449
3) Pricola et al. (2009), Interleukin-6 Maintains Bone Marrow-Derived Mesenchymal Stem Cell Stemness by an ERK1/2-Dependent Mechanism; J. Cell Biochem., 108 577 |
| U0126 Preparation Products And Raw materials |
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