Mouse Dkk-2 Antibody

Catalog # Availability Size / Price Qty
AF2435
AF2435-SP
Dkk‑2 in Mouse Embryo.
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Product Details
Citations (2)
FAQs
Supplemental Products
Reviews (1)

Mouse Dkk-2 Antibody Summary

Species Reactivity
Mouse
Specificity
Detects mouse Dkk‑2 in Western blots.
Source
Polyclonal Goat IgG
Purification
Antigen Affinity-purified
Immunogen
Mouse myeloma cell line NS0-derived recombinant mouse Dkk-2
Ser26-Ile259
Accession # Q9QYZ8
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
0.1 µg/mL
Recombinant Mouse Dkk‑2
Immunohistochemistry
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 Example

Immunohistochemistry Dkk‑2 in Mouse Embryo. View Larger

Dkk‑2 in Mouse Embryo. Dkk‑2 was detected in immersion fixed frozen sections of mouse embryo (15 d.p.c.) using 15 µg/mL Mouse Dkk‑2 Antigen Affinity-purified Polyclonal Antibody (Catalog # AF2435) overnight at 4 °C. Tissue was stained with the Anti-Goat HRP-DAB Cell & Tissue Staining Kit (brown; Catalog # CTS008) and counterstained with hematoxylin (blue). View our protocol for Chromogenic IHC Staining of Frozen Tissue Sections.

Reconstitution Calculator

Reconstitution Calculator

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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Preparation and Storage

Reconstitution
Reconstitute at 0.2 mg/mL in sterile PBS.
Reconstitution Buffer Available
Reconstitution Buffer 1 (PBS)
Catalog #
Availability
Size / Price
Qty
RB01
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: Dkk-2

Dickkopf related protein 2 (Dkk-2) is a member of the Dickkopf family of secreted Wnt modulators (1-3). Dkk proteins contain a signal peptide and two conserved cysteine-rich domains that are separated by a linker region. The second cysteine-rich domain, which shows a configuration of cysteines conserved in prokineticin and colipase families, mediates Dkk-2 binding activities (2-4). The 226 amino acid (aa), ~35 kDa mature mouse Dkk-2 shares 41% and 34% aa identity with mouse Dkk-1 and Dkk-4, respectively. It also shares 99%, 96%, 96%, 96% and 94% aa identity with rat, human, canine, equine and bovine Dkk-2, respectively, and can activate the canonical Wnt signaling pathway in Xenopus embryos (5). Dkk proteins modify Wnt engagement of a receptor complex composed of a Frizzled protein and a low-density lipoprotein receptor-related protein, either LRP5 or LRP6 (3). When LRP6 is overexpressed, direct high-affinity binding of Dkk-2 to LRP can enhance canonical Wnt signaling (6-8). However, when Dkk-2 and LRP6 form a ternary complex with Kremen2, Wnt signaling is inhibited due to internalization of Dkk-2/LRP6/Krm2 complexes (9, 10). Thus, depending on the cellular context, Dkk-2 can either activate or inhibit canonical Wnt signaling (3). In contrast, binding of Dkk-1 or Dkk-4 to LRP is consistently antagonistic (3). Dkk proteins are expressed in mesenchymal tissues and control epithelial transformations. Dkk-2 expression has been studied most in bone and eye. Mouse Dkk-1 or Dkk-2 deficiencies have opposite effects on bone homeostasis, despite downregulating Wnt antagonism in both cases (11, 12). Dkk-2 expression is induced by Wnts in bone, and is thought to enhance bone density by promoting terminal differentiation of osteoblasts and mineral deposition (11). In contrast, Dkk-1 negatively regulates late osteoblast proliferation, which limits bone density (12). Dkk-2-deficient mice are blind due to faulty differentiation of corneal epithelium (13).

References
  1. Monaghan, A.P. et al. (1999) Mech. Dev. 87:45.
  2. Krupnik, V.E. et al. (1999) Gene 238:301.
  3. Niehrs, C. (2006) Oncogene 25:7469.
  4. Bullock, C.M. et al. (2004) Mol. Pharmacol. 65:582.
  5. Wu, W. et al. (2000) Current Biol. 10:1611.
  6. Mao, B. et al. (2001) Nature 411:321.
  7. Li, L. et al. (2002) J. Biol. Chem. 277:5977.
  8. Brott, B. and S.Y. Sokol (2002) Mol. Cell. Biol. 22:6100.
  9. Mao, B. et al. (2002) Nature 417:664.
  10. Mao, B. and C. Niehrs (2003) Gene 302:179.
  11. Li, X. et al. (2005) Nat. Genet. 37:945.
  12. Morvan, F. et al. (2006) J. Bone Miner. Res. 21:934.
  13. Mukhopadhyay, M. et al. (2006) Development 133:2149.
Long Name
Dickkopf-2
Entrez Gene IDs
27123 (Human); 56811 (Mouse)
Alternate Names
dickkopf (Xenopus laevis) homolog 2; dickkopf 2; dickkopf homolog 2 (Xenopus laevis); dickkopf related protein-2; dickkopf-2; dickkopf-related protein 2; Dkk2; Dkk-2; hDkk-2

Product Datasheets

Citations for Mouse Dkk-2 Antibody

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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  1. The effects of Dickkopf-4 on the proliferation, differentiation, and apoptosis of osteoblasts.
    Authors: Hiramitsu S, Terauchi M, Kubota T
    Endocrinology, 2013;154(12):4618-26.
    Species: Mouse
    Sample Types: Cell Lysates
    Applications: Western Blot
  2. Genomics identifies medulloblastoma subgroups that are enriched for specific genetic alterations.
    Authors: Thompson MC, Fuller C, Hogg TL, Dalton J, Finkelstein D, Lau CC, Chintagumpala M, Adesina A, Ashley DM, Kellie SJ, Taylor MD, Curran T, Gajjar A, Gilbertson RJ
    J. Clin. Oncol., 2006;24(12):1924-31.
    Species: Human
    Sample Types: Whole Tissue
    Applications: IHC

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Mouse Dkk-2 Antibody
By Anonymous on 03/14/2017
Application: WB Sample Tested: Lung tissue Species: Mouse

Mouse lung lysate probed with 1:1,000 DKK-2 Antibody showing two bands corresponding to fragments 60 kDa and 28 kDa. Buffer: 5% BSA in PBS. Secondary Ab: anti-Goat IgG 1:5,000.