• Product nameAnti-PDX1 antibody
    See all PDX1 primary antibodies
  • Description
    Rabbit polyclonal to PDX1
  • Tested applicationsSuitable for: IP, WB, ICC/IFmore details
  • Species reactivity
    Reacts with: Mouse, Human
    Predicted to work with: Rat, Pig, Chimpanzee, Gorilla
  • Immunogen

    Synthetic peptide conjugated to KLH derived from within residues 1 - 100 of Human PDX1.

  • Positive control
    • WB: HeLa and Jurkat nuclear extracts, mouse pancreas tissue lysate and human pancreatic islet cell lysate. ICC/IF: Panc-1 cells.


Associated products


Our Abpromise guarantee covers the use of ab98298 in the following tested applications.

The application notes include recommended starting dilutions; optimal dilutions/concentrations should be determined by the end user.

Application Abreviews Notes
IP Use at an assay dependent concentration.
WB Use a concentration of 1 µg/ml. Detects a band of approximately 40 kDa (predicted molecular weight: 31 kDa).
ICC/IF Use a concentration of 5 µg/ml.


  • FunctionActivates insulin, somatostatin, glucokinase, islet amyloid polypeptide and glucose transporter type 2 gene transcription. Particularly involved in glucose-dependent regulation of insulin gene transcription. Binds preferentially the DNA motif 5'-[CT]TAAT[TG]-3'. During development, specifies the early pancreatic epithelium, permitting its proliferation, branching and subsequent differentiation. At adult stage, required for maintaining the hormone-producing phenotype of the beta-cell.
  • Tissue specificityDuodenum and pancreas (Langerhans islet beta cells and small subsets of endocrine non-beta-cells, at low levels in acinar cells).
  • Involvement in diseaseDefects in PDX1 are a cause of pancreatic agenesis (PAC) [MIM:260370]. This autosomal recessive disorder is characterized by absence or hypoplasia of pancreas, leading to early-onset insulin-dependent diabetes mellitus. This was found in a frameshift mutation that produces a truncated protein and results in a second initiation that produces a second protein that act as a dominant negative mutant.
    Defects in PDX1 are a cause of non-insulin-dependent diabetes mellitus (NIDDM) [MIM:125853]; also known as diabetes mellitus type 2. NIDDM is characterized by an autosomal dominant mode of inheritance, onset during adulthood and insulin resistance.
    Defects in PDX1 are the cause of maturity-onset diabetes of the young type 4 (MODY4) [MIM:606392]; also symbolized MODY-4. MODY is a form of diabetes that is characterized by an autosomal dominant mode of inheritance, onset in childhood or early adulthood (usually before 25 years of age), a primary defect in insulin secretion and frequent insulin-independence at the beginning of the disease.
  • Sequence similaritiesBelongs to the Antp homeobox family. IPF1/XlHbox-8 subfamily.
    Contains 1 homeobox DNA-binding domain.
  • DomainThe Antp-type hexapeptide mediates heterodimerization with PBX on a regulatory element of the somatostatin promoter.
    The homeodomain, which contains the nuclear localization signal, not only mediates DNA-binding, but also acts as a protein-protein interaction domain for TCF3(E47), NEUROD1 and HMG-I(Y).
  • Post-translational
    Phosphorylated by the SAPK2 pathway at high intracellular glucose concentration.
  • Cellular localizationNucleus.
  • Information by UniProt
  • Database links
  • Alternative names
    • Glucose sensitive factor antibody
    • Glucose-sensitive factor antibody
    • GSF antibody
    • IDX 1 antibody
    • IDX-1 antibody
    • IDX1 antibody
    • Insulin promoter factor 1 antibody
    • Insulin promoter factor 1 homeodomain transcription factor antibody
    • Insulin upstream factor 1 antibody
    • IPF 1 antibody
    • IPF-1 antibody
    • IPF1 antibody
    • Islet/duodenum homeobox 1 antibody
    • Islet/duodenum homeobox-1 antibody
    • IUF 1 antibody
    • IUF-1 antibody
    • IUF1 antibody
    • MODY4 antibody
    • Pancreas/duodenum homeobox 1 antibody
    • Pancreas/duodenum homeobox protein 1 antibody
    • pancreatic and duodenal homeobox P antibody
    • PDX 1 antibody
    • PDX-1 antibody
    • PDX1 antibody
    • PDX1_HUMAN antibody
    • Somatostatin transactivating factor 1 antibody
    • Somatostatin-transactivating factor 1 antibody
    • STF 1 antibody
    • STF-1 antibody
    • STF1 antibody
    see all

Anti-PDX1 antibody images

  • ICC/IF image of ab98298 stained Panc-1 cells. The cells were 4% formaldehyde fixed (10 min) and then incubated in 1%BSA / 10% normal goat serum / 0.3M glycine in 0.1% PBS-Tween for 1h to permeabilise the cells and block non-specific protein-protein interactions. The cells were then incubated with the antibody (ab98298, 5µg/ml) overnight at +4°C. The secondary antibody (green) was ab96899, DyLight® 488 goat anti-rabbit IgG (H+L) used at a 1/250 dilution for 1h. Alexa Fluor® 594 WGA was used to label plasma membranes (red) at a 1/200 dilution for 1h. DAPI was used to stain the cell nuclei (blue) at a concentration of 1.43µM

  • Anti-PDX1 antibody (ab98298) at 1 µg/ml + Human Pancreatic Islet Cells at 10 µg

    Goat Anti-Rabbit IgG H&L (HRP) preadsorbed (ab97080) at 1/5000 dilution
    developed using the ECL technique

    Performed under reducing conditions.

    Predicted band size : 31 kDa
    Observed band size : 40 kDa (why is the actual band size different from the predicted?)

    Exposure time : 4 minutes
    The expression profile observed is consistent with what has been described in the literature.
  • All lanes : Anti-PDX1 antibody (ab98298) at 1 µg/ml

    Lane 1 : HeLa (Human epithelial carcinoma cell line) Nuclear Lysate
    Lane 2 : Jurkat nuclear extract lysate (ab14844)
    Lane 3 : Pancreas (Mouse) Tissue Lysate

    Lysates/proteins at 10 µg per lane.

    Goat Anti-Rabbit IgG H&L (HRP) preadsorbed (ab97080) at 1/5000 dilution
    developed using the ECL technique

    Performed under reducing conditions.

    Predicted band size : 31 kDa
    Observed band size : 40 kDa (why is the actual band size different from the predicted?)
    Additional bands at : 120 kDa. We are unsure as to the identity of these extra bands.

    Exposure time : 3 minutes
  • PDX1 was immunoprecipitated using 0.5mg Hela whole cell extract, 5µg of Rabbit polyclonal to PDX1 and 50µl of protein G magnetic beads (+). No antibody was added to the control (-).
    The antibody was incubated under agitation with Protein G beads for 10min, Hela whole cell extract lysate diluted in RIPA buffer was added to each sample and incubated for a further 10min under agitation.
    Proteins were eluted by addition of 40µl SDS loading buffer and incubated for 10min at 70oC; 10µl of each sample was separated on a SDS PAGE gel, transferred to a nitrocellulose membrane, blocked with 5% BSA and probed with ab98298.
    Secondary: Mouse monoclonal [SB62a] Secondary Antibody to Rabbit IgG light chain (HRP) (ab99697).
    Band: 36kDa: PDX1.

References for Anti-PDX1 antibody (ab98298)

ab98298 has not yet been referenced specifically in any publications.

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