Human FoxJ1 Antibody

(2 citations)   
  • Species Reactivity
    Human
  • Specificity
    Detects human FoxJ1 in direct ELISAs and Western blots.
  • Source
    Polyclonal Goat IgG
  • Purification
    Antigen Affinity-purified
  • Immunogen
    E. coli-derived recombinant human FoxJ1
    Lys306-Leu421
    Accession # Q92949
  • 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
    1 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 FoxJ1 by Western Blot. Western blot shows lysates of Capan‑1 human pancreatic adenocarcinoma cell line and T47D human breast cancer cell line. PVDF membrane was probed with 1 µg/mL of Goat Anti-Human FoxJ1 Antigen Affinity-purified Polyclonal Antibody (Catalog # AF3619) followed by HRP-conjugated Anti-Goat IgG Secondary Antibody (Catalog # HAF017). A specific band was detected for FoxJ1 at approximately 55 kDa (as indicated). This experiment was conducted under reducing conditions and using Immunoblot Buffer Group 1.
Immunocytochemistry
FoxJ1 in HEK293 Human Cell Line. FoxJ1 was detected in immersion fixed HEK293 human embryonic kidney cell line using Goat Anti-Human FoxJ1 Antigen Affinity-purified Polyclonal Antibody (Catalog # AF3619) at 10 µg/mL for 3 hours at room temperature. Cells were stained using the NorthernLights™ 557-conjugated Anti-Goat IgG Secondary Antibody (red, upper panel; Catalog # NL001) and counterstained with DAPI (blue, lower panel). Specific staining was localized to nuclei and cytoplasm. View our protocol for Fluorescent ICC Staining of Cells on Coverslips.
Immunocytochemistry
FoxJ1 in Early Proximal Lung Progenitors. FoxJ1 was detected in immersion fixed BGO1V human embryonic stem cells differentiated to early proximal lung progenitors using Goat Anti-Human FoxJ1 Antigen Affinity-purified Polyclonal Antibody (Catalog # AF3619) at 10 µg/mL for 3 hours at room temperature. Cells were stained using the NorthernLights™ 557-conjugated Anti-Goat IgG Secondary Antibody (red; Catalog # NL001) and counterstained with DAPI (blue). Specific staining was localized to nuclei. View our protocol for Fluorescent ICC Staining of Stem Cells on Coverslips.
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: FoxJ1
FoxJ1 (Forkhead box protein J1; also HFH4) is a 55-65 kDa, class 1 member of the HNF-3/forkhead gene family of transcription factors. Its observed MW is higher than its predicted MW (45 kDa), suggesting anomalous migration on SDS-PAGE. FoxJ1 promotes the expression of cilia in respiratory, oviduct and choroid plexus epithelium, and maintains T cell tolerance to self-antigens. Human FoxJ1 is 421 amino acids (aa) in length, and contains one forkhead DNA binding domain (aa's 120‑210). The presence of basic residues in the forkhead domain makes FoxJ1 a class 1 Fox protein. There is potential splice variant that contains a 25 aa substation for aa 262-287. Over aa 306-421, human FoxJ1 shares 88% aa with mouse FoxJ1.
  • Long Name:
    Forkhead Box J1
  • Entrez Gene IDs:
    2302 (Human); 15223 (Mouse); 116557 (Rat)
  • Alternate Names:
    FKHL13; FKHL13forkhead transcription factor HFH-4; forkhead box J1; forkhead-like 13; Forkhead-related protein FKHL13; FoxJ1; Hepatocyte nuclear factor 3 forkhead homolog 4; HFH-4; HFH4fork head homologue 4; HFH-4forkhead box protein J1; MGC35202
Related Research Areas
Citations:

R&D Systems personnel manually curate a database that contains references using R&D Systems products. The data collected includes not only links to publications in PubMed, but also provides information about sample types, species, and experimental conditions.

2 Citations: Showing 1 - 2
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Sample Type
  1. Gefitinib, an EGFR Tyrosine Kinase inhibitor, Prevents Smoke-Mediated Ciliated Airway Epithelial Cell Loss and Promotes Their Recovery
    PLoS ONE, 2016;11(8):e0160216.
    Species: Human
    Sample Type: Whole Cells
    Application: IHC Paraffin-embedded
  2. Hyaluronan fragments/CD44 mediate oxidative stress-induced MUC5B up-regulation in airway epithelium.
    Authors: Casalino-Matsuda SM, Monzon ME, Day AJ, Forteza RM
    Am. J. Respir. Cell Mol. Biol., 2009;40(3):277-85.
    Species: Human
    Sample Type: Whole Tissue
    Application: IHC Paraffin-embedded
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