Cat. No. 1144
Chemical Name: 1,4-Diamino-2,3-dicyano-1,4-bis[2-a
Biological ActivityPotent and selective non-competitive inhibitor of MAP kinase kinase. Inhibits MEK-1 and MEK-2 (IC50 values of 0.07 and 0.06 μM 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. Brain penetrant. Helps maintain human pluripotent stem cells in undifferentiated state. Also available as part of the MAPK Cascade Inhibitor Tocriset™ and MAPK Inhibitor Tocriset™. Negative control U0124 (Cat. No. 1868) also available.
The technical data provided above is for guidance only. For batch specific data refer to the Certificate of Analysis.
All Tocris products are intended for laboratory research use only.
Certificate of Analysis / Safety Data Sheet
Kinehara et al (2013) Protein kinase C regulates human pluripotent stem cell self-renewal. PLoS One 8 e54122. PMID: 23349801.
Namura et al (2001) Intravenous administraton of MEK inhibitor U0126 affords brain protection against forebrain ischemia and focal cerebral ischemia. Proc.Natl.Acad.Sci.U.S.A. 98 11569. PMID: 11504919.
Davies et al (2000) Specificity and mechanism of action of some commonly used protein kinase inhibitors. Biochem.J. 351 95. PMID: 10998351.
Duncia et al (1998) MEK inhibitors: the chemistry and biological activity of U0126, its analogs, and cyclization products. Bioorg.Med.Chem.Lett. 8 2839. PMID: 9873633.
Favata et al (1998) Identification of a novel inhibitor of mitogen-activated protein kinase kinase. J.Biol.Chem. 273 18623. PMID: 9660836.
If you know of a relevant reference for this product please let us know.
Citations are publications that use Tocris products. Selected citations for U0126 include:
Zhang et al (2016) Bromodomain containing protein represses the Ras/Raf/MEK/ERK pathway to attenuate human hepatoma cell proliferation during HCV infection. Cancer Lett. 371 107. PMID: 26620707.
Li et al (2015) MAPK signaling downstream to TLR4 contributes to paclitaxel-induced peripheral neuropathy. Brain Behav.Immun. 49 255. PMID: 26065826.
Lourenco et al (2015) Macrophage migration inhibitory factor-CXCR4 is the dominant chemotactic axis in human mesenchymal stem cell recruitment to tumors. J Immunol 194 3463. PMID: 25712213.
Tang et al (2015) P2X7 Receptor Regulates Internalization of Antimicrobial Peptide LL-37 by Human Macrophages That Promotes Intracellular Pathogen Clearance. J Immunol 195 1191. PMID: 26116509.
Babu et al (2014) TGFβ-mediated suppression of CD248 in non-cancer cells via canonical Smad-dependent signaling pathways is uncoupled in cancer cells. BMC Cancer 14 113. PMID: 24555435.
Schubert et al (2014) Paraneoplastic CDR2 and CDR2L antibodies affect Purkinje cell calcium homeostasis. Acta Neuropathol 128 835. PMID: 25341622.
Wan et al (2014) Cathelicidin LL-37 induces time-resolved release of LTB4 and TXA2 by human macrophages and triggers eicosanoid generation in vivo. FASEB J 28 3456. PMID: 24736410.
Ahmadiantehrani and Ron (2013) Dopamine D2 receptor activation leads to an up-regulation of glial cell line-derived neurotrophic factor via Gβγ-Erk1/2-dependent induction of Zif268. J Neurochem. PMID: 23373701.
Korb et al (2013) Arc in the nucleus regulates PML-dependent GluA1 transcription and homeostatic plasticity. Nat Neurosci 16 874. PMID: 23749147.
Li et al (2013) Effect of VIP on intracellular [Ca2+], extracellular regulated kinase 1/2, and secretion in cultured rat conjunctival goblet cells. Invest Ophthalmol Vis Sci 54 2872. PMID: 23518767.
Lucchetti et al (2013) The prolyl isomerase Pin1 acts synergistically with CDK2 to regulate the basal activity of estrogen receptor α in breast cancer. PLoS One 8 e55355. PMID: 23390529.
Melemedjian et al (2013) mTORC1 inhibition induces pain via IRS-1-dependent feedback activation of ERK. Pain 154 1080. PMID: 23607966.
Osgood et al (2013) Polycyclic aromatic hydrocarbon-induced signaling events relevant to inflammation and tumorigenesis in lung cells are dependent on molecular structure. PLoS One 8 e65150. PMID: 23755184.
Ripple et al (2013) Acute mitochondrial inhibition by mitogen-activated protein kinase/extracellular signal-regulated kinase kinase (MEK) 1/2 inhibitors regulates proliferation. J Biol Chem 288 2933. PMID: 23235157.
Voon et al (2013) EMT-induced stemness and tumorigenicity are fueled by the EGFR/Ras pathway. PLoS One 8 e70427. PMID: 23950932.
Arora et al (2012) Expression of protein-tyrosine phosphatases in Acute Myeloid Leukemia cells: FLT3 ITD sustains high levels of DUSP6 expression. Cell Commun Signal 10 19. PMID: 22784513.
Breshears et al (2012) A disintegrin and metalloproteinase 17 (ADAM17) and epidermal growth factor receptor (EGFR) signaling drive the epithelial response to Staphylococcus aureus toxic shock syndrome toxin-1 (TSST-1). J Biol Chem 287 32578. PMID: 22833676.
Gangoiti et al (2012) Ceramide 1-phosphate stimulates proliferation of C2C12 myoblasts. Biochimie 94 597. PMID: 21945811.
Hodges et al (2012) Signaling pathways used by EGF to stimulate conjunctival goblet cell secretion. Exp Eye Res 103 99. PMID: 22975404.
Lee et al (2012) Fucoidan from seaweed Fucus vesiculosus inhibits migration and invasion of human lung cancer cell via PI3K-Akt-mTOR pathways. PLoS One 7 e50624. PMID: 23226337.
Schulz et al (2012) Phenotype-based high-content chemical library screening identifies statins as inhibitors of in vivo lymphangiogenesis. Proc Natl Acad Sci U S A 109 E2665. PMID: 22949700.
Ito et al (2011) Interleukin-2 Functions in Anaplastic Large Cell Lymphoma Cells through Augmentation of Extracellular Signal-Regulated Kinases 1/2 Activation. Int J Biomed Sci 7 181. PMID: 23675235.
Meitzen et al (2011) β1-Adrenergic receptors activate two distinct signaling pathways in striatal neurons. J Neurochem 116 984. PMID: 21143600.
Melemedjian et al (2011) Targeting adenosine monophosphate-activated protein kinase (AMPK) in preclinical models reveals a potential mechanism for the treatment of neuropathic pain. Mol Pain 7 70. PMID: 21936900.
Rubert et al (2011) Bim and Mcl-1 exert key roles in regulating JAK2V617F cell survival. BMC Cancer 11 24. PMID: 21247487.
Sbroggiò et al (2011) ERK1/2 activation in heart is controlled by melusin, focal adhesion kinase and the scaffold protein IQGAP1. J Cell Sci 124 3515. PMID: 22010199.
Beshir et al (2010) Raf kinase inhibitor protein suppresses nuclear factor-κB-dependent cancer cell invasion through negative regulation of matrix metalloproteinase expression. Cancer Lett 299 137. PMID: 20855151.
Braun et al (2010) Uridine triphosphate (UTP) induces profibrotic responses in cardiac fibroblasts by activation of P2Y2 receptors. J Mol Cell Cardiol 49 362. PMID: 20471392.
Chotiner et al (2010) Assessment of the role of MAP kinase in mediating activity-dependent transcriptional activation of the immediate early gene Arc/Arg3.1 in the dentate gyrus in vivo. Learn Mem 17 117. PMID: 20154358.
He and Aizenman (2010) ERK signaling leads to mitochondrial dysfunction in extracellular zinc-induced neurotoxicity. J Neurochem 114 452. PMID: 20412391.
Ishida et al (2010) Phosphorylation of Junb family proteins by the Jun N-terminal kinase supports tissue regeneration in zebrafish. Dev Biol 340 468. PMID: 20144602.
Ito et al (2010) Synergistic growth inhibition of anaplastic large cell lymphoma cells by combining cellular ALK gene silencing and a low dose of the kinase inhibitor U0126. Cancer Gene Ther 17 633. PMID: 20448669.
Le et al (2010) The glutamate release inhibitor Riluzole decreases migration, invasion, and proliferation of melanoma cells. J Invest Dermatol 130 2240. PMID: 20505744.
Melemedjian et al (2010) IL-6- and NGF-induced rapid control of protein synthesis and nociceptive plasticity via convergent signaling to the eIF4F complex. J Neurosci 30 15113. PMID: 21068317.
Magliaro and Saldanha (2009) Clozapine protects PC-12 cells from death due to oxidative stress induced by hydrogen peroxide via a cell-type specific mechanism involving inhibition of extracellular signal-regulated kinase phosphorylation. Brain Res 1283 14. PMID: 19501068.
Pintchovski et al (2009) The serum response factor and a putative novel transcription factor regulate expression of the immediate-early gene Arc/Arg3.1 in neurons. J Neurosci 29 1525. PMID: 19193899.
Roscioni et al (2009) PKA and Epac cooperate to augment bradykinin-induced interleukin-8 release from human airway smooth muscle cells. Respir Res 10 88. PMID: 19788733.
Roselli et al (2009) Disassembly of shank and homer synaptic clusters is driven by soluble beta-amyloid(1-40) through divergent NMDAR-dependent signalling pathways. PLoS One 4 e6011. PMID: 19547699.
Tsuda et al (2009) Mechanisms underlying fibronectin-induced up-regulation of P2X4R expression in microglia: distinct roles of PI3K-Akt and MEK-ERK signalling pathways. J Cell Mol Med 13 3251. PMID: 19298529.
Zhong et al (2009) BC1 regulation of metabotropic glutamate receptor-mediated neuronal excitability. J Neurosci 29 9977. PMID: 19675232.
Dohgu and Banks (2008) Lipopolysaccharide-enhanced transcellular transport of HIV-1 across the blood-brain barrier is mediated by the p38 mitogen-activated protein kinase pathway. Exp Neurol 210 740. PMID: 18295207.
Kauppinen et al (2006) Direct phosphorylation and regulation of poly(ADP-ribose) polymerase-1 by extracellular signal-regulated kinases 1/2. Proc Natl Acad Sci U S A 103 7136. PMID: 16627622.
Pierre et al (2004) PAM mediates sustained inhibition of cAMP signaling by sphingosine-1-phosphate. EMBO J 23 3031. PMID: 15257286.
View Related Products by Product Action
Keywords: U0126, supplier, Potent, selective, inhibitors, inhibits, MEK1, MEK2, Mitogen-Activated, Protein, Kinase, Kinases, Tocris Bioscience, MEK Inhibitor products
Find multiple products by catalog number
New Products in this Area
Potent Nek2 inhibitorRoscovitine
Potent, selective cyclin-dependent kinase inhibitorEnzastaurin
Potent PKCβ inhibitorBMS 265246
Potent cdk1/2 inhibitorAutocamtide-2-related inhibitory peptide, myristoylated
CaM kinase II inhibitor; enhanced cell permeable derivative of Autocamtide-2-related inhibitory peptideMP A08
Selective ATP competitive SphK1 and 2 inhibitor; cell permeableAkti-1/2
Potent and selective dual Akt1 and 2 inhibitorVX 680
High affinity and selective Aurora kinase inhibitorImatinib mesylate
Potent and selective v-Abl tyrosine kinase inhibitor; also inhibits PDGFR and c-kitTGX 221
Potent and selective PI 3-kinase β inhibitorPF 543 hydrochloride
Potent and selective SphK1 inhibitorJX 06
Potent and selective pyruvate dehydrogenase kinase (PDK) 1/2/3 inhibitorMRT 68601 hydrochloride
Potent TBK1 inhibitorAzoramide
Unfolded protein response (UPR) modulator
October 30 - November 3, 2016
Boston, MA, USA