Key Product Details

Species Reactivity

Human

Applications

Western Blot

Label

Biotin

Antibody Source

Polyclonal Goat IgG
View all WIF-1 Primary Antibodies »

Product Specifications

Immunogen

Mouse myeloma cell line NS0-derived recombinant human WIF-1
Gly29-Trp379
Accession # AAD25402

Specificity

Detects human and mouse WIF-1 in Western blots.

Clonality

Polyclonal

Host

Goat

Isotype

IgG

Applications for Human WIF‑1 Biotinylated Antibody

Application
Recommended Usage

Western Blot

0.1 µg/mL
Sample: Recombinant Human WIF‑1 (Catalog # 1341-WF)

Formulation, Preparation, and Storage

Purification

Antigen Affinity-purified

Reconstitution

Reconstitute at 0.2 mg/mL in sterile PBS.

Formulation

Lyophilized from a 0.2 μm filtered solution in PBS with BSA as a carrier protein.

Shipping

The product is shipped at ambient temperature. Upon receipt, store it immediately at the temperature recommended below.

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.

Calculators

The reconstitution calculator allows you to quickly calculate the volume of a reagent to reconstitute your vial. Simply enter the mass of reagent and the target concentration and the calculator will determine the rest.

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Background: WIF-1

WIF (Wnt Inhibitory Factor) is a secreted protein that binds to Wnt proteins and inhibits their activity. The protein is synthesized as a 379 amino acid (aa) molecule that contains an N-terminal signal sequence, 150 aa WIF domain, 5 EGF-like repeats, and a hydrophilic domain at the carboxy terminus (1). In situ hybridization analysis from the frog, Xenopus laevis, and zebrafish indicate that the message is highly expressed in presomitic mesoderm, the notochord, anterior regions of the brain, branchial arches, nasal placodes, and otic vescicles (1). WIF inhibits secondary axis induction by Wnts and promotes secondary axis induction by Chordin in Xenopus embryos (1). In vitro, WIF binds to Drosophila Wingless and Xenopus Wnt‑8 proteins (1). WIF-1 is implicated as an early event tumor suppressor in cancers of the prostate, breast, lung and bladder (2). However, WIF-1’s role in carcinogenesis may not be that simple since in other cancer types, such as colon adenocarcinoma, WIF facilitates tumorigenesis (3). Human WIF-1 shares 94% and 82% amino acid identity with mouse and frog, respectively.

References

  1. Hsieh, J-C. et al. (1999) Nature 398:431.
  2. Wissmann, C. et al. (2003) J. Pathol 201:204.
  3. Cebrat, M. et al. (2004) Cancer Lett. 206:107.

Long Name

Wnt Inhibitory Factor

Alternate Names

WIF1

Entrez Gene IDs

11197 (Human); 24117 (Mouse)

Gene Symbol

WIF1

UniProt

AAD25402

Additional WIF-1 Products

Product Documents for Human WIF‑1 Biotinylated Antibody

Certificate of Analysis

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Note: Certificate of Analysis not available for kit components.

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Product Specific Notices for Human WIF‑1 Biotinylated Antibody

For research use only

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