Date published: 2026-10-19

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NFKBIA/IkB alpha Antibody (B-3): sc-373893

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  • NFKBIA/IkB alpha Antibody (B-3) is a mouse monoclonal IgA κ, cited in 21 publications, provided at 200 µg/ml
  • specific for an epitope mapping between amino acids 2-27 within the N-terminus of IκB-α of human origin
  • recommended for detection of IκB-α of human origin by WB, IP, IF and ELISA
  • See NFKBIA/IkB alpha (H-4): sc-1643 for NFKBIA/IkB alpha antibody conjugates, including AC, HRP, FITC, PE, Alexa Fluor® 488, 594, 647, 680 and 790.
  • At present, we have not yet completed the identification of the preferred secondary detection reagent(s) for NFKBIA/IkB alpha Antibody (B-3). This work is in progress.
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IκB-α Antibody (B-3) is a mouse monoclonal IgA antibody that detects IκB-α in human samples through applications such as western blotting (WB), immunoprecipitation (IP), immunofluorescence (IF), and enzyme-linked immunosorbent assay (ELISA). IκB-α plays a crucial role in the regulation of the NF-κB signaling pathway, which is vital for controlling immune responses, cell proliferation, and survival. By sequestering NF-κB dimers in the cytoplasm, IκB-α prevents their translocation to the nucleus, thereby inhibiting the expression of target genes involved in inflammation and immune responses. The importance of IκB-α′s function is underscored by involvement in various diseases, including cancer and autoimmune disorders, where dysregulation of NF-κB activity can lead to pathological conditions. Additionally, IκB-α undergoes post-translational modifications, such as phosphorylation, which can influence stability and interaction with NF-κB, further highlighting a critical role in cellular signaling. Anti-IκB-α antibody (B-3) is an essential tool for researchers studying the NF-κB pathway and its implications in health and disease.

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

NFKBIA/IkB alpha Antibody (B-3) References:

  1. IkappaB-alpha enhances transactivation by the HOXB7 homeodomain-containing protein.  |  Chariot, A., et al. 1999. J Biol Chem. 274: 5318-25. PMID: 10026139
  2. NF-kappaB activation and IkappaB alpha dynamism involved in iNOS and chemokine induction in astroglial cells.  |  Nomura, Y. 2001. Life Sci. 68: 1695-701. PMID: 11270616
  3. Consequences of IkappaB alpha hydroxylation by the factor inhibiting HIF (FIH).  |  Devries, IL., et al. 2010. FEBS Lett. 584: 4725-30. PMID: 21056038
  4. Sinensetin attenuates LPS-induced inflammation by regulating the protein level of IκB-α.  |  Shin, HS., et al. 2012. Biosci Biotechnol Biochem. 76: 847-9. PMID: 22484952
  5. Heat shock-mediated regulation of IκB-α at the post-transcriptional level by HuR.  |  Liu, Y. and Yu, W. 2014. Mol Med Rep. 9: 553-9. PMID: 24271119
  6. Expression of plasma nuclear factor-kappa B cells (NF-κB) and Inhibitory subunit kappa B alpha (IκB-α) in HIV-associated pre-eclampsia.  |  Zozo, B., et al. 2021. Hypertens Pregnancy. 40: 15-20. PMID: 33397161
  7. Corrigendum to 'The protective effect of 5-O-methylvisammioside on LPS-induced depression in mice by inhibiting the over activation of BV-2 microglia through Nf-κB/IκB-α pathway' [Phytomedicine 79 (2020) 153348].  |  Sun, X., et al. 2021. Phytomedicine. 85: 153506. PMID: 33736908
  8. Diagnosis of IRAK-4-deficiency by flow cytometric measurement of IκB-α degradation.  |  Frans, G., et al. 2024. Clin Chem Lab Med. 62: e102-e105. PMID: 37929815

Ordering Information

Product NameCatalog #UNITPriceQtyFAVORITES

NFKBIA/IkB alpha Antibody (B-3)

sc-373893
200 µg/ml
$322.00

NFKBIA/IkB alpha (B-3) Neutralizing Peptide

sc-373893 P
100 µg/0.5 ml
$69.00

What application is the blocking peptide sc-373893 P appropriate for?

Asked by: Germaine
Thank you for your question. The blocking peptide is intended for use as a negative control, by pre-adsorbing the mouse monoclonal antibody against the antigen. For full protocol details, please contact our Technical Services Department or view our online protocol here: https://www.scbt.com/scbt/resources/protocols/peptide-neutralization
Answered by: Technical Support
Date published: 2017-02-24
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Rated 5 out of 5 by Trav11 from Excellent antibody!The I kappa B-alpha Antibody (B-3): sc-373893 provides great data for Western blot showing clear band with minimal background. This antibody has also been cited several times for further verification.
Date published: 2017-01-17
Rated 5 out of 5 by CJ from StrongStrong, clean band in Western Blot using Jurkat whole cell lysate -SCBT QC
Date published: 2013-04-20
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NFKBIA/IkB alpha Antibody (B-3) is rated 5.0 out of 5 by 2.
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