Cell Signaling Technology Logo - Extra Large
1% for the planet logo
Recombinant Flag
Recombinant: Superior lot-to-lot consistency, continuous supply, and animal-free manufacturing.

IRF-4 (E8H3S) XP® Rabbit mAb (InTraSeq 3' Conjugate 3107) #54847

Filter:
  • SCA

    Product Specifications

    REACTIVITY H M
    SENSITIVITY Endogenous
    MW (kDa)
    Source/Isotype Rabbit IgG
    Application Key:
    • SCA-Single Cell Analysis 
    Species Cross-Reactivity Key:
    • H-Human 
    • M-Mouse 

    Product Information

    Storage

    Supplied in PBS (pH 7.2), 2 mM EDTA, 0.05% Triton X-100, 2 mg/mL BSA, and 50% glycerol. Store at -20°C. Do not aliquot the antibody.

    Protocol

    Specificity / Sensitivity

    IRF-4 (E8H3S) XP® Rabbit mAb (InTraSeq™ 3' Conjugate 3107) recognizes endogenous levels of total IRF-4 protein.

    Species Reactivity:

    Human, Mouse

    Source / Purification

    Monoclonal antibody is produced by immunizing animals with recombinant protein specific to full-length human IRF-4 protein.

    Background

    Interferon regulatory factors (IRFs) comprise a family of transcription factors that function within the Jak/Stat pathway to regulate interferon (IFN) and IFN-inducible gene expression in response to viral infection (1). IRFs play an important role in pathogen defense, autoimmunity, lymphocyte development, cell growth, and susceptibility to transformation. The IRF family includes nine members: IRF-1, IRF-2, IRF-9/ISGF3γ, IRF-3, IRF-4 (Pip/LSIRF/ICSAT), IRF-5, IRF-6, IRF-7, and IRF-8/ICSBP. All IRF proteins share homology in their amino-terminal DNA-binding domains. IRF family members regulate transcription through interactions with proteins that share similar DNA-binding motifs, such as IFN-stimulated response elements (ISRE), IFN consensus sequences (ICS), and IFN regulatory elements (IRF-E) (2).
    IRF-4 was independently cloned by three groups and demonstrated to have roles in different contexts of lymphoid regulation (3-5). First, IRF-4 (Pip) was found to associate with PU.1, a hematopoietic specific member of the ETS family, and to regulate the expression of B-cell specific genes (3). Second, it was characterized as a lymphoid-specific member of the IRF family (LSIRF) able to bind to ISRE (4). Third, it was identified in activated T cells as a factor that binds to the promoter of the interleukin-5 gene (ICSAT), and it was shown to repress gene activation induced by IFN (5). IRF-4 is expressed in all stages of B cell development and in mature T cells, and is inducible in primary lymphocytes by antigen mimetic stimuli such as concavalin A, CD3 crosslinking, anti-IgM and PMA treatment (4,5). Mice deficient in IRF-4 show normal distribution of B and T lymphocytes at 4 to 5 weeks, but later develop progressive generalized lymphadenopathy, suggesting a role for IRF-4 in the function and homeostasis of mature B- and T-lymphocytes (6).
    For Research Use Only. Not for Use in Diagnostic Procedures.
    Cell Signaling Technology is a trademark of Cell Signaling Technology, Inc.
    10x Genomics, 10x, Feature Barcode, and Chromium are the trademarks or registered trademarks of 10x Genomics, Inc.
    InTraSeq is a trademark of Cell Signaling Technology, Inc.
    KARPAS cell line source: Dr. Abraham Karpas at the University of Cambridge.
    Subject to patents licensed from 10x Genomics, Inc. for use with single-cell (i.e., Chromium) 10x products.
    All other trademarks are the property of their respective owners. Visit our Trademark Information page.