Date published: 2025-12-18

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ICSBP Antibody (E-9): sc-365042

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Datasheets
  • ICSBP Antibody (E-9) is a mouse monoclonal IgG2b κ ICSBP antibody, cited in 24 publications, provided at 200 µg/ml
  • raised against amino acids 357-426 of ICSBP of human origin
  • ICSBP Antibody (E-9) is recommended for detection of ICSBP of mouse, rat and human origin by WB, IP, IF, IHC(P) and ELISA
  • Anti-ICSBP Antibody (E-9) is available conjugated to agarose for IP; HRP for WB, IHC(P) and ELISA; and to either phycoerythrin or FITC for IF, IHC(P) and FCM
  • also available conjugated to Alexa Fluor® 488, Alexa Fluor® 546, Alexa Fluor® 594 or Alexa Fluor® 647 for WB (RGB), IF, IHC(P) and FCM, and for use with RGB fluorescent imaging systems, such as iBright™ FL1000, FluorChem™, Typhoon, Azure and other comparable systems
  • also available conjugated to Alexa Fluor® 680 or Alexa Fluor® 790 for WB (NIR), IF and FCM; for use with Near-Infrared (NIR) detection systems, such as LI-COR®Odyssey®, iBright™ FL1000, FluorChem™, Typhoon, Azure and other comparable systems
  • TransCruz reagent for ChIP application (sc-365042 X, 200 µg/0.1 ml)
  • m-IgG Fc BP-HRP, m-IgG2b BP-HRP and m-IgGκ BP-HRP are the preferred secondary detection reagents for ICSBP Antibody (E-9) for WB and IHC(P) applications. These reagents are now offered in bundles with ICSBP Antibody (E-9) (see ordering information below).

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ICSBP Antibody (E-9) is a mouse monoclonal IgG2b kappa light chain antibody that detects ICSBP protein of mouse, rat, and human origin by western blotting (WB), immunoprecipitation (IP), immunofluorescence (IF), immunohistochemistry with paraffin-embedded sections (IHCP), and enzyme-linked immunosorbent assay (ELISA). anti-ICSBP antibody (E-9) is available in both non-conjugated and various conjugated forms, including agarose, horseradish peroxidase (HRP), phycoerythrin (PE), fluorescein isothiocyanate (FITC), and multiple Alexa Fluor® conjugates. ICSBP protein, also known as Interferon consensus sequence-binding protein or Interferon regulatory factor 8, plays a crucial role as a transcription factor in the immune response, particularly in the differentiation of dendritic cells and macrophages in response to interferon-gamma signaling. ICSBP (E-9) monoclonal antibody has been shown to interact with TRAF6, a key adaptor protein in Toll-like receptor signaling, which highlights ICSBP′s importance in the cross-talk between interferon and Toll-like receptor pathways. ICSBP is known to antagonize Bcr/Abl by downregulating Bcl-2, further emphasizing ICSBP′s role in hematopoietic malignancies. ICSBP′s structure includes a conserved DNA-binding domain in the N-terminal region, which is critical for binding to the interferon-stimulated response element (ISRE) and regulating the expression of interferon-alpha and interferon-beta, making ICSBP a vital component in the immune system′s response to pathogens.

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

ICSBP Antibody (E-9) References:

  1. ICSBP is essential for the development of mouse type I interferon-producing cells and for the generation and activation of CD8alpha(+) dendritic cells.  |  Schiavoni, G., et al. 2002. J Exp Med. 196: 1415-25. PMID: 12461077
  2. ICSBP is critically involved in the normal development and trafficking of Langerhans cells and dermal dendritic cells.  |  Schiavoni, G., et al. 2004. Blood. 103: 2221-8. PMID: 14615368
  3. Interferon consensus sequence binding protein (ICSBP; IRF-8) antagonizes BCR/ABL and down-regulates bcl-2.  |  Burchert, A., et al. 2004. Blood. 103: 3480-9. PMID: 14656881
  4. The interferon regulatory factor ICSBP/IRF-8 in combination with PU.1 up-regulates expression of tumor suppressor p15(Ink4b) in murine myeloid cells.  |  Schmidt, M., et al. 2004. Blood. 103: 4142-9. PMID: 14976051
  5. Analysis of PU.1/ICSBP (IRF-8) complex formation with various PU.1 mutants: molecular cloning of rat Icsbp (Irf-8) cDNA.  |  Nakano, N., et al. 2005. Immunogenetics. 56: 871-7. PMID: 15688197
  6. IFN regulatory factor-4 and -8 govern dendritic cell subset development and their functional diversity.  |  Tamura, T., et al. 2005. J Immunol. 174: 2573-81. PMID: 15728463
  7. Ubiquitin-dependent degradation of interferon regulatory factor-8 mediated by Cbl down-regulates interleukin-12 expression.  |  Xiong, H., et al. 2005. J Biol Chem. 280: 23531-9. PMID: 15837792
  8. Partner-regulated interaction of IFN regulatory factor 8 with chromatin visualized in live macrophages.  |  Laricchia-Robbio, L., et al. 2005. Proc Natl Acad Sci U S A. 102: 14368-73. PMID: 16183743
  9. IRF-8/interferon (IFN) consensus sequence-binding protein is involved in Toll-like receptor (TLR) signaling and contributes to the cross-talk between TLR and IFN-gamma signaling pathways.  |  Zhao, J., et al. 2006. J Biol Chem. 281: 10073-80. PMID: 16484229
  10. ICSBP/IRF-8 differentially regulates antigen uptake during dendritic-cell development and affects antigen presentation to CD4+ T cells.  |  Mattei, F., et al. 2006. Blood. 108: 609-17. PMID: 16569763
  11. Identification of IRF-8 and IRF-1 target genes in activated macrophages.  |  Dror, N., et al. 2007. Mol Immunol. 44: 338-46. PMID: 16597464
  12. Interferon regulatory factor 8 regulates RANTES gene transcription in cooperation with interferon regulatory factor-1, NF-kappaB, and PU.1.  |  Liu, J. and Ma, X. 2006. J Biol Chem. 281: 19188-95. PMID: 16707500

Ordering Information

Product NameCatalog #UNITPriceQtyFAVORITES

ICSBP Antibody (E-9)

sc-365042
200 µg/ml
$316.00

ICSBP Antibody (E-9): m-IgG Fc BP-HRP Bundle

sc-529304
200 µg Ab; 10 µg BP
$354.00

ICSBP Antibody (E-9): m-IgGκ BP-HRP Bundle

sc-522126
200 µg Ab, 40 µg BP
$354.00

ICSBP Antibody (E-9): m-IgG2b BP-HRP Bundle

sc-550091
200 µg Ab; 10 µg BP
$354.00

ICSBP Antibody (E-9) X

sc-365042 X
200 µg/0.1 ml
$316.00

ICSBP Antibody (E-9) AC

sc-365042 AC
500 µg/ml, 25% agarose
$416.00

ICSBP Antibody (E-9) HRP

sc-365042 HRP
200 µg/ml
$316.00

ICSBP Antibody (E-9) FITC

sc-365042 FITC
200 µg/ml
$330.00

ICSBP Antibody (E-9) PE

sc-365042 PE
200 µg/ml
$343.00

ICSBP Antibody (E-9) Alexa Fluor® 488

sc-365042 AF488
200 µg/ml
$357.00

ICSBP Antibody (E-9) Alexa Fluor® 546

sc-365042 AF546
200 µg/ml
$357.00

ICSBP Antibody (E-9) Alexa Fluor® 594

sc-365042 AF594
200 µg/ml
$357.00

ICSBP Antibody (E-9) Alexa Fluor® 647

sc-365042 AF647
200 µg/ml
$357.00

ICSBP Antibody (E-9) Alexa Fluor® 680

sc-365042 AF680
200 µg/ml
$357.00

ICSBP Antibody (E-9) Alexa Fluor® 790

sc-365042 AF790
200 µg/ml
$357.00

Is this antibody suitable for Flow Cytometry? If so, is there an appropriate Isotype control or peptide blocker? Thanks

Asked by: Kieran
Thank you for your question. We have not yet tested this antibody, ICSBP (E-9): sc-365042, for flow cytometry so we do not know if it is suitable for this application. This primary antibody is a mouse monoclonal IgG2b, and the corresponding unconjugated isotype control is normal mouse IgG2b: sc-3879 . This antibody is not raised against a peptide, so no blocking peptide is available. For a limited time we are offering a free 10µg sample of this antibody. If you would like to receive a sample and test it for flow cytometry, please contact our Technical Service Department. Please call us toll-free at (800) 457-3801 option 2, e-mail <scbt@scbt.com>, or use the live chat on our website.
Answered by: Technical Support
Date published: 2017-06-27

I am using ICSBP (E-9): sc-365042 monoclonal antibody to stain paraffin embedded tissue. Do you recommend antigen retrieval when using this antibody?

Asked by: cjMara
We recommend performing antigen retrieval with sodium citrate buffer (pH 6) and heat. The full protocol can be found here: https://www.scbt.com/scbt/resources/protocols/immunoperoxidase-staining
Answered by: Technical Support
Date published: 2017-02-24
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Rated 5 out of 5 by from It works wellIt works well in osteoclasts which are obtained from mouse.
Date published: 2021-07-21
Rated 4 out of 5 by from Good for Western Blot and IHCI used this antibody (IRF-8) for IHC staining of mouse eWAT (white adipose tissue) samples and worked very well however I couldnt optimize it for liver sample. WB analysis also nicely shows IRF8 band with some none specific bands.
Date published: 2020-12-19
Rated 5 out of 5 by from Works well for IP and WBI got a free sample a month ago and tested for both western blot and IP. It works very well for both.
Date published: 2018-01-27
Rated 5 out of 5 by from works very goodThis monoclonal antibody works very well for detection of IRF8 from human protein samples
Date published: 2017-06-12
Rated 5 out of 5 by from This monoclonal antibody works very wellThis monoclonal antibody works very well for detection of IRF8 from both mouse and human protein samples
Date published: 2015-11-02
Rated 5 out of 5 by from Robust signal in western blot analysis ofRobust signal in western blot analysis of ICSBP expression in IB4 and NAMALWA whole cell lysates. -SCBT QC
Date published: 2015-06-23
Rated 5 out of 5 by from Produced excellent immunoperoxidase nuclearProduced excellent immunoperoxidase nuclear staining in formalin fixed, paraffin-embedded human lymph node tissue. -SCBT QC
Date published: 2015-04-02
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ICSBP Antibody (E-9) is rated 4.9 out of 5 by 7.
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