Date published: 2026-4-12

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p-MEK-1/2 Antibody (7E10): sc-81503

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Datasheets
  • p-MEK-1/2 Antibody (7E10) is a mouse monoclonal IgG1, cited in 44 publications, provided at 50 µg/0.5 ml
  • raised against phosphopeptide corresponding to amino acid residues surrounding the T-E-Y motif of MEK-1/2 of human origin
  • recommended for detection of Ser 218 and 222 phosphorylated MEK-1 and Ser 222 and 226 phosphorylated MEK-2 of mouse, rat, human and canine origin by WB and IP
  • m-IgG Fc BP-HRP, m-IgG1 BP-HRP and m-IgGκ BP-HRP are the preferred secondary detection reagents for p-MEK-1/2 Antibody (7E10) for WB applications. These reagents are now offered in bundles with p-MEK-1/2 Antibody (7E10) (see ordering information below).
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p-MEK-1/2 Antibody (7E10) is a mouse monoclonal IgG1 kappa light chain antibody that detects p-MEK-1/2 in mouse, rat, human, and canine samples through western blotting (WB) and immunoprecipitation (IP). anti-p-MEK-1/2 antibody (7E10) is available in a non-conjugated form, allowing for versatile applications in various experimental setups. p-MEK-1/2 (7E10) antibody recognizes a protein that plays a crucial role in the MAPK signaling pathway, which is essential for regulating cell proliferation, differentiation, and survival. Specifically, p-MEK-1 and p-MEK-2 are dual-specificity kinases that phosphorylate and activate extracellular signal-regulated kinases (ERKs), which are pivotal in mediating cellular responses to growth factors and stress signals. The phosphorylation of MEK-1 and MEK-2 at specific serine residues (Ser 218 and 222 for MEK-1, and Ser 222 and 226 for MEK-2) is a key regulatory mechanism that enhances their kinase activity, thereby influencing downstream signaling cascades. Understanding the function of p-MEK-1/2 is vital, as dysregulation of this pathway is implicated in various diseases, including cancer, making p-MEK-1/2 a significant target for therapeutic intervention.

For Research Use Only. Not Intended for Diagnostic or Therapeutic Use.

Alexa Fluor® is a trademark of Molecular Probes Inc., OR., USA

LI-COR® and Odyssey® are registered trademarks of LI-COR Biosciences

p-MEK-1/2 Antibody (7E10) References:

  1. MEK-1/2 inhibition prevents 5-lipoxygenase translocation in N-formylpeptide-challenged human neutrophils.  |  Boden, SE., et al. 2000. Int J Biochem Cell Biol. 32: 1069-74. PMID: 11091139
  2. MEK-1/2 inhibition reduces branching morphogenesis and causes mesenchymal cell apoptosis in fetal rat lungs.  |  Kling, DE., et al. 2002. Am J Physiol Lung Cell Mol Physiol. 282: L370-8. PMID: 11839529
  3. Importance of MEK-1/-2 signaling in monocytic and granulocytic differentiation of myeloid cell lines.  |  Miranda, MB., et al. 2002. Leukemia. 16: 683-92. PMID: 11960350
  4. Activation of MEK 1/2 and p42/44 MAPK by angiotensin II in hepatocyte nucleus and their potentiation by ethanol.  |  Aroor, AR., et al. 2009. Alcohol. 43: 315-22. PMID: 19560630
  5. A phase II evaluation of selumetinib (AZD6244, ARRY-142886), a selective MEK-1/2 inhibitor in the treatment of recurrent or persistent endometrial cancer: an NRG Oncology/Gynecologic Oncology Group study.  |  Coleman, RL., et al. 2015. Gynecol Oncol. 138: 30-5. PMID: 25887099
  6. MEK 1/2 inhibitors in the treatment of hepatocellular carcinoma.  |  Facciorusso, A., et al. 2015. Expert Rev Gastroenterol Hepatol. 9: 993-1003. PMID: 25915713
  7. Orexin-A protects SH-SY5Y cells against H2O2-induced oxidative damage via the PI3K/MEK1/2/ERK1/2 signaling pathway.  |  Wang, CM., et al. 2018. Int J Immunopathol Pharmacol. 32: 2058738418785739. PMID: 29983082
  8. Oral MEK 1/2 Inhibitor Trametinib in Combination With AKT Inhibitor GSK2141795 in Patients With Acute Myeloid Leukemia With RAS Mutations: A Phase II Study.  |  Ragon, BK., et al. 2019. Clin Lymphoma Myeloma Leuk. 19: 431-440.e13. PMID: 31056348
  9. Genistein regulates calcium and phosphate homeostasis without activation of MEK 1/2 signalling pathway in an animal model of the andropause.  |  Živanović, J., et al. 2022. Ann Anat. 239: 151836. PMID: 34563672
  10. The MEK 1/2 inhibitor PD98059 exhibits synergistic anti-endometrial cancer activity with paclitaxel in vitro and enhanced tissue distribution in vivo when formulated into PAMAM-coated PLGA-PEG nanoparticles.  |  Wiwatchaitawee, K., et al. 2022. Drug Deliv Transl Res. 12: 1684-1696. PMID: 34635984

Ordering Information

Product NameCatalog #UNITPriceQtyFAVORITES

p-MEK-1/2 Antibody (7E10)

sc-81503
50 µg/0.5 ml
$322.00

p-MEK-1/2 Antibody (7E10): m-IgG Fc BP-HRP Bundle

sc-537247
50 µg Ab; 10 µg BP
$361.00

p-MEK-1/2 Antibody (7E10): m-IgGκ BP-HRP Bundle

sc-534472
50 µg Ab; 40 µg BP
$361.00

p-MEK-1/2 Antibody (7E10): m-IgG1 BP-HRP Bundle

sc-545103
50 µg Ab; 20 µg BP
$361.00

Hi I recently purchased this antibody, can I use this antibody for Immunofluorescence assay in cancer cell lines in vitro?

Asked by: Rodu
Thank you for your question. p-MEK-1/2 Antibody (7E10): sc-81503 is only recommended for detection of Ser 218 and 222 phosphorylated MEK-1 and Ser 222 and 226 phosphorylated MEK-2 of mouse, rat, human and canine origin by WB and IP. Based on our tests we do not recommend it for immunofluorescence.
Answered by: Tech Support Europe
Date published: 2024-06-21

Hi I need an option for IHC(P) for p-MEK-1/2 Antibody (7E10): sc-81503, any suggestions

Asked by: Parajuli
Thank your for your question. This antibody, sc-81503, is not recommended or warrantied for IHC(P). We do not currently offer a p-MEK-1/2 antibody recommended for this use. However, if you want to try it, you can find our protocol here: https://www.scbt.com/scbt/resources/protocols/immunoperoxidase-staining
Answered by: Tech Service
Date published: 2019-02-18

What is the recommended secondary reagent to be used with this mouse monoclonal primary?

Asked by: jerojero
We recommend using one our exclusive Mouse IgG Binding Proteins as a secondary detection reagent. A complete list of available binding proteins is available on our website here: https://www.scbt.com/scbt/browse/support-products-mouse-igg-binding-proteins/_/N-ecrety
Answered by: Technical Support 2
Date published: 2017-02-17
  • y_2026, m_4, d_9, h_7CST
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Rated 3 out of 5 by from Not very intense bandsThe blot was quite unclear and the bands not very intense. I used A549 whole cell lysates and 60μg total protein. The antibody was incubated in milk 3% v/w
Date published: 2021-03-17
Rated 5 out of 5 by from Excellent!This antibody is recommended for detection of Ser 218 and 222 phosphorylated MEK-1 and Ser 222 and 226 phosphorylated MEK-2 of mouse, human and canine origin by WB and IP
Date published: 2017-01-20
Rated 4 out of 5 by from LightLight, positive band in WB in untreated and PDGF treated NIH/3T3 whole cell lysates. -SCBT QC
Date published: 2015-03-06
Rated 4 out of 5 by from GoodGood, clear band in WB in serum-starved, PMA-treated HeLa whole cell lysate. -SCBT QC
Date published: 2015-01-03
Rated 4 out of 5 by from Positive band seen in WB in EGF stimulatedPositive band seen in WB in EGF stimulated and pervanadate treated A549 whole cell lysate. -SCBT QC
Date published: 2014-07-28
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p-MEK-1/2 Antibody (7E10) is rated 4.0 out of 5 by 5.
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