Key Product Details

Species Reactivity

Validated:

Human

Cited:

Human

Applications

Validated:

Western Blot

Cited:

Western Blot, Immunocytochemistry

Label

Unconjugated

Antibody Source

Monoclonal Mouse IgG1 Clone # 138726
View all Dkk-3 Primary Antibodies »

Product Specifications

Immunogen

Mouse myeloma cell line NS0-derived recombinant human Dkk-3
Ala22-Ile350
Accession # Q9UBP4.1

Specificity

Detects human Dkk-3 in direct ELISAs and Western blots. In direct ELISAs and Western blots, this antibody does not cross-react with recombinant human (rh) Dkk-1, rmDkk-3, or rhDkk-4.

Clonality

Monoclonal

Host

Mouse

Isotype

IgG1

Applications for Human Dkk‑3 Antibody

Application
Recommended Usage

Western Blot

1 µg/mL
Sample: Recombinant Human Dkk‑3 (Catalog # 1118-DK)

Reviewed Applications

Read 2 reviews rated 3.5 using MAB1118 in the following applications:

Formulation, Preparation, and Storage

Purification

Protein A or G purified from hybridoma culture supernatant

Reconstitution

Reconstitute at 0.5 mg/mL in sterile PBS. For liquid material, refer to CoA for concentration.

Formulation

Lyophilized from a 0.2 μm filtered solution in PBS with Trehalose. *Small pack size (SP) is supplied either lyophilized or as a 0.2 µm filtered solution in PBS.

Shipping

Lyophilized product is shipped at ambient temperature. Liquid small pack size (-SP) is shipped with polar packs. Upon receipt, store 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: Dkk-3

Dkk-3, also known as REIC (Reduced Expansion in Immortalized Cells), is one of four numbered members of the Dickkopf family of Wnt antagonists (1). Dkk-3 is a secreted monomer expressed in many normal human tissues, most strongly in heart, brain and spinal cord (1, 2), and during early embryonic development in the mouse (3). N-glycosylation at up to four sites preceding or between two conserved cysteine-rich motifs results in expression of a 45-65 kDa glycoprotein (1, 4). The cysteine-rich motifs contain 10 cysteines each, with prokineticin and colipase families containing sequences similar to those of the second motif (1, 5). Human Dkk-3 shows 82%, 88%, 85%, and 53% amino acid (aa) identity with mouse, bovine, canine, and chick Dkk-3, respectively, and 37-45% aa identity with other human Dkk family members. Several lines of evidence implicate Dkk-3 as a negative growth regulator. Dkk-3 is downregulated in many tumors as compared to normal cells, sometimes by loss of heterozygosity (4, 6). Downregulation by CpG hypermethylation in acute lymphoblastic leukemia is correlated with faster progression and shorter survival (7). Release of cultured cells from serum starvation results in downregulation of Dkk-3 in late G1 phase of the cell cycle (6). Over-expression of Dkk‑3 results in tumor cell-line-specific growth inhibition, induction of apoptosis, and decreased tumorigenicity in nude mice (2, 4, 6). The prototype Dickkopf member, Dkk-1, antagonizes Wnt family signaling by binding to Wnt receptors LRP5 and LRP6 (low-density lipoprotein receptor-related proteins) and promoting their internalization (1, 9, 10). Results are less straightforward for Dkk-3, where some studies show binding to LRP5/6 while others do not. These effects appear to be dependent on the cells and conditions used (1, 6-10).

References

  1. Krupnik, V.E. et al. (1999) Gene 238:301.
  2. Tsuji, T. et al. (2000) Biochem. Biophys. Res. Comm. 268:20.
  3. Kemp, C. et al. (2005) Dev. Dyn. 233:1064.
  4. Hsieh, S.-Y. et al. (2004) Oncogene 23:9183.
  5. Bullock, C.M. et al. (2004) Mol. Pharmacol. 65:582.
  6. Tsuji, T. et al. (2001) Biochem. Biophys. Res. Comm. 289:257.
  7. Roman-Gomez, J. et al. (2004) Br. J. Cancer 91:707.
  8. Hoang, B.H. et al. (2004) Cancer Res. 64:2734.
  9. Caricasole, A. et al. (2003) J. Biol. Chem. 278:37024.
  10. Mao, B. et al. (2001) Nature 411:321.

Long Name

Dickkopf-3

Alternate Names

Dkk3, REIC

Entrez Gene IDs

27122 (Human); 50781 (Mouse)

Gene Symbol

DKK3

UniProt

Q9UBP4.1

Additional Dkk-3 Products

Product Documents for Human Dkk‑3 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 Dkk‑3 Antibody

For research use only

Citations for Human Dkk‑3 Antibody

Customer Reviews for Human Dkk‑3 Antibody (2)

3.5 out of 5
2 Customer Ratings
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  • Human Dkk-3 Antibody
    Name: Anonymous
    Application: Microarrays
    Sample Tested: EDTA Plasma
    Species: Human
    Verified Customer | Posted 03/11/2019
    Human Dkk‑3 Antibody MAB1118
  • Human Dkk-3 Antibody
    Name: Anonymous
    Application: Microarray
    Sample Tested: EDTA Plasma
    Species: Human
    Verified Customer | Posted 11/02/2018

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