Date published: 2026-3-7

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p-Stat3 Antibody (9E12): sc-81523

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Datasheets
  • p-Stat3 Antibody (9E12) is a mouse monoclonal IgG1, cited in 29 publications, provided at 50 µg/0.5 ml
  • raised against a synthetic phosphopeptide corresponding to the region surrounding p-Tyr 705 of Stat3 of human origin
  • recommended for detection of Tyr 705 phosphorylated Stat3 of mouse, rat, human and canine origin by WB, IP and IF
  • See p-Stat3 (B-7): sc-8059 for p-Stat3 antibody conjugates, including AC, HRP, FITC, PE, Alexa Fluor® 488, 594, 647, 680 and 790.
  • m-IgG Fc BP-HRP and m-IgG1 BP-HRP are the preferred secondary detection reagents for p-Stat3 Antibody (9E12) for WB applications. These reagents are now offered in bundles with p-Stat3 Antibody (9E12) (see ordering information below).
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p-Stat3 Antibody (9E12) is a mouse monoclonal IgG1 antibody that detects Tyr 705 phosphorylated Stat3 in mouse, rat, human, and canine samples through applications such as western blotting (WB), immunoprecipitation (IP), and immunofluorescence (IF). p-Stat3 monoclonal antibody (9E12) is available in a non-conjugated form, allowing for versatile experimental setups. Stat3 plays a crucial role in mediating cellular responses to various extracellular signals, particularly in the context of growth factors and cytokines. Upon activation, Stat3 translocates to the nucleus where it regulates the expression of genes involved in cell proliferation, survival, and differentiation, making it a key player in processes such as immune response and oncogenesis. Notably, Stat3 is subject to various post-translational modifications, including phosphorylation at Tyr 705, which is essential for activation and subsequent transcriptional activity. This modification not only enhances Stat3′s ability to dimerize and bind to DNA but also influences interaction with other proteins, thereby modulating function in signaling pathways. Understanding the dynamics of Stat3 activation and regulatory mechanisms is vital for elucidating its role in diseases, particularly cancer, where aberrant Stat3 signaling is often implicated. p-Stat3 (9E12) antibody provides a reliable tool for investigating the phosphorylation-dependent activation of Stat3 and its pivotal role in regulating cellular processes and disease progression.

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-Stat3 Antibody (9E12) References:

  1. STAT3, p-STAT3 and HIF-1α are associated with vasculogenic mimicry and impact on survival in gastric adenocarcinoma.  |  Song, YY., et al. 2014. Oncol Lett. 8: 431-437. PMID: 24959290
  2. Inflammatory factor TNF-α promotes the growth of breast cancer via the positive feedback loop of TNFR1/NF-κB (and/or p38)/p-STAT3/HBXIP/TNFR1.  |  Cai, X., et al. 2017. Oncotarget. 8: 58338-58352. PMID: 28938560
  3. STAT3-siRNA induced B16.F10 melanoma cell death: more association with VEGF downregulation than p-STAT3 knockdown.  |  Alshamsan, A. 2018. Saudi Pharm J. 26: 1083-1088. PMID: 30532628
  4. miR-22-3p enhances the intrinsic regenerative abilities of primary sensory neurons via the CBL/p-EGFR/p-STAT3/GAP43/p-GAP43 axis.  |  Li, B., et al. 2020. J Cell Physiol. 235: 4605-4617. PMID: 31663116
  5. The role of p-Stat3 Y705 immunohistochemistry in glioblastoma prognosis.  |  Susman, S., et al. 2019. Diagn Pathol. 14: 124. PMID: 31690341
  6. P-STAT3 Inhibition Activates Endoplasmic Reticulum Stress-Induced Splenocyte Apoptosis in Chronic Stress.  |  Song, M., et al. 2020. Front Physiol. 11: 680. PMID: 32714202
  7. CCL5 Suppresses Klotho Expression via p-STAT3/DNA Methyltransferase1-Mediated Promoter Hypermethylation.  |  Liu, Q., et al. 2022. Front Physiol. 13: 856088. PMID: 35299661
  8. Nuclear Expression of p-STAT3 Is Associated with Poor Prognosis in ER(-) Breast Cancer.  |  Nakagawa, T., et al. 2022. Clin Pract. 12: 157-167. PMID: 35314590
  9. Expression of p-STAT3 and c-Myc correlates with P2-HNF4α expression in nonalcoholic fatty liver disease (NAFLD).  |  Younes, M., et al. 2022. Oncotarget. 13: 1308-1313. PMID: 36473131
  10. p-STAT3-elevated E3 ubiquitin ligase DTX4 confers the stability of HBV cccDNA by ubiquitinating APOBEC3B in liver.  |  Zhao, L., et al. 2024. Theranostics. 14: 6036-6052. PMID: 39346550

Ordering Information

Product NameCatalog #UNITPriceQtyFAVORITES

p-Stat3 Antibody (9E12)

sc-81523
50 µg/0.5 ml
$322.00

p-Stat3 Antibody (9E12): m-IgG Fc BP-HRP Bundle

sc-539621
50 µg Ab; 10 µg BP
$361.00

p-Stat3 Antibody (9E12): m-IgG1 BP-HRP Bundle

sc-541606
50 µg Ab; 20 µg BP
$361.00

I have read few people mentioned it worked very well for western. Could you tell me the dilution and is it in milk or 5%BSA incubation? Thanks

Asked by: mkunni
Thank you for your question. We recommend a starting dilution of 1:200 for Western blotting (range 1:100-1:1,000). We recommend using either 5% nonfat milk + TBST, or a mixture of 1% nonfat milk + 1% BSA in TBST for blocking and incubating both primary and secondary antibodies.
Answered by: Technical Support
Date published: 2019-06-12

For Western Blot, is it recommended to use denatured or non-denatured conditions with p-Stat3 (9E12): sc-81523 antibody?

Asked by: Professor Griffin
Thank you for your question. We recommend this antibody for use in denatured Western Blot conditions. It has not been validated for use in non-denatured conditions. Please contact our Technical Service Department for further details or inquiries.
Answered by: Technical Support
Date published: 2017-03-27
  • y_2026, m_3, d_5, h_10CST
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Rated 1 out of 5 by from No detección de bandaNo se detectó ninguna banda. Se probó el anticuerpo con diferentes cantidades (hasta 100ug) de proteínas extraídas de muestras de tejido.
Date published: 2018-01-03
Rated 5 out of 5 by from This product works great in WBThis antibody worked really well for us in our Western, thought it was very stable.
Date published: 2017-05-07
Rated 5 out of 5 by from Nice resultsNice and specific Western blot results in various samples with p-Stat3 Antibody (9E12)
Date published: 2017-01-27
Rated 4 out of 5 by from Works well for Western blotWorks well for Western blot, strong band detected in IFN- -treated SK-MEL-28 whole cell lysates. -SCBT QC
Date published: 2015-03-12
Rated 5 out of 5 by from Great antibody for WesternGreat antibody for Western, strong band detected in IFN treated HeLa whole cell lysate. -SCBT QC
Date published: 2014-04-14
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p-Stat3 Antibody (9E12) is rated 4.0 out of 5 by 5.
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