Anti-Dickkopf-related protein 1 DKK1 Antibody Picoband® Fluoro647 Conjugated

DKK1, Dickkopf-related protein 1, is a protein that in humans is encoded by the DKK1 gene. This gene encodes a protein that is a member of the dickkopf family. By genomic sequence analysis, determined that the DKK1 gene contains 4 exons. The DKK1 gene is mapped to 10q11.2 using FISH. It is a secreted protein with two cysteine rich regions and is involved in embryonic development through its inhibition of the WNT signaling pathway. Elevated levels of DKK1 in bone marrow plasma and peripheral blood is associated with the presence of osteolytic bone lesions in patients with multiple myeloma.

A synthetic peptide corresponding to a sequence at the N-terminus of human DKK1, different from the related mouse and rat sequences by two amino acids.

Antagonizes canonical Wnt signaling by inhibiting LRP5/6 interaction with Wnt and by forming a ternary complex with the transmembrane protein KREMEN that promotes internalization of LRP5/6. DKKs play an important role in vertebrate development, where they locally inhibit Wnt regulated processes such as antero- posterior axial patterning, limb development, somitogenesis and eye formation. In the adult, Dkks are implicated in bone formation and bone disease, cancer and Alzheimer disease. .

1. Fedi, P., Bafico, A., Soria, A. N., Burgess, W. H., Miki, T., Bottaro, D. P., Kraus, M. H., Aaronson, S. A.Isolation and biochemical characterization of the human Dkk-1 homologue, a novel inhibitor of mammalian Wnt signaling.J. Biol. Chem. 274: 19465-19472, 1999. 2. Roessler, E., Du, Y., Glinka, A., Dutra, A., Niehrs, C., Muenke, M.The genomic structure, chromosome location, and analysis of the human DKK1 head inducer gene as a candidate for holoprosencephaly. Cytogenet. Cell Genet. 89: 220-224, 2000. 3. Tian, E., Zhan, F., Walker, R., Rasmussen, E., Ma, Y., Barlogie, B., Shaughnessy, J. D., Jr.The role of Wnt-signaling antagonist DKK1 in the development of osteolytic lesions in multiple myeloma.New Eng. J. Med. 349: 2483-2494, 2003.