Human IRF5 Antibody

  
  • Species Reactivity
    Human
  • Specificity
    Detects human IRF5 in Western blots.
  • Source
    Polyclonal Sheep IgG
  • Purification
    Antigen Affinity-purified
  • Immunogen
    E. coli-derived recombinant human IRF5
    Ala214-Thr395
    Accession # NP_002191
  • Formulation
    Lyophilized from a 0.2 μm filtered solution in PBS with Trehalose. *Small pack size (SP) is supplied as a 0.2 µm filtered solution in PBS.
  • Label
    Unconjugated
Applications
  •  
    Recommended
    Concentration
    Sample
  • Western Blot
    2 µg/mL
    See below
  • Simple Western
    20 µg/mL
    See below
  • Immunocytochemistry
    5-15 µg/mL
    See below
Please Note: Optimal dilutions should be determined by each laboratory for each application. General Protocols are available in the Technical Information section on our website.
Data Examples
Detection of Human IRF5 by Western Blot. Western blot shows lysates of Daudi human Burkitt's lymphoma cell line. Gels were loaded with 30 μg of whole cell lysate (WCL), 20 μg of cytoplasmic (Cyto), and 10 μg of nuclear extracts (Nuc). PVDF membrane was probed with 2 µg/mL Sheep Anti-Human IRF5 Antigen Affinity-purified Polyclonal Antibody (Catalog # AF4508) followed by HRP-conjugated Anti-Mouse IgG Secondary Antibody (Catalog # HAF007). A specific band for IRF5 was detected at approximately 58 kDa (as indicated). This experiment was conducted under reducing conditions and using Immunoblot Buffer Group 3.
Detection of Human IRF5 by Simple WesternTM. Simple Western lane view shows lysates of Daudi human Burkitt's lymphoma cell line, loaded at 0.2 mg/mL. A specific band was detected for IRF5 at approximately 64 kDa (as indicated) using 20 µg/mL of Sheep Anti-Human IRF5 Antigen Affinity-purified Polyclonal Antibody (Catalog # AF4508) followed by 1:50 dilution of HRP-conjugated Anti-Sheep IgG Secondary Antibody (Catalog # HAF016). This experiment was conducted under reducing conditions and using the
12-230 kDa separation system.
Immunocytochemistry
IRF5 in THP‑1 Human Cell Line. IRF5 was detected in immersion fixed THP‑1 human acute monocytic leukemia cell line using Sheep Anti-Human IRF5 Antigen Affinity-purified Polyclonal Antibody (Catalog # AF4508) at 15 µg/mL for 3 hours at room temperature. Cells were stained using the NorthernLights™ 557-conjugated Anti-Sheep IgG Secondary Antibody (red; Catalog # NL010) and counterstained with DAPI (blue). Specific staining was localized to cytoplasm. View our protocol for Fluorescent ICC Staining of Non-adherent Cells.
Preparation and Storage
  • Reconstitution
    Reconstitute at 0.2 mg/mL in sterile PBS.
  • Shipping
    The product is shipped at ambient temperature. Upon receipt, store it immediately at the temperature recommended below. *Small pack size (SP) is shipped with polar packs. Upon receipt, store it immediately at -20 to -70 °C
  • Stability & Storage
    Use a manual defrost freezer and avoid repeated freeze-thaw cycles.
    • 12 months from date of receipt, -20 to -70 °C as supplied.
    • 1 month, 2 to 8 °C under sterile conditions after reconstitution.
    • 6 months, -20 to -70 °C under sterile conditions after reconstitution.
Background: IRF5

IRF5 is a member of the IRF family of transcription factors, a family characterized by a helix-turn-helix DNA binding domain enriched in tryptophan repeats. IRF family members show diverse cellular regulation of interferon-stimulated gene transcription, viral-mediated gene activation, apoptosis, differentiation, and cellular growth. IRF5, along with IRF7, are the key mediators of TLR signaling. IRF5 forms heterodimers with IRF3 both of which are necessary for interferon gene transcription. IRF5 knock out mice indicate that IRF5 is critical for induction of apoptosis.

  • Long Name:
    Interferon Regulatory Factor 5
  • Entrez Gene IDs:
    3663 (Human); 27056 (Mouse); 296953 (Rat)
  • Alternate Names:
    IBD14; interferon regulatory factor 5; IRF5; IRF-5; SLEB10
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