Recombinant Human Frizzled-7 Fc Chimera Protein, CF

  (2 citations)
(1 Review)
Datasheet / CoA / SDS
Product Details
Citations (2)
Supplemental Products
  • Purity
    >95%, by SDS-PAGE under reducing conditions and visualized by silver stain
  • Endotoxin Level
    <0.10 EU per 1 μg of the protein by the LAL method.
  • Activity
    Measured by its binding ability in a functional ELISA. In a 100 µL reaction mixture containing biotinylated rmWnt-5a at 100 ng/mL and rhFrizzled-7/Fc Chimera dilutions at 0.1-8,000 ng/mL, the concentration of rhFrizzled-7/Fc Chimera that produces 50% of the optimal binding response is found to be approximately 20-80 ng/mL.
    Optimal concentrations should be determined by each laboratory for each application.
  • Source
    Chinese Hamster Ovary cell line, CHO-derived
    Human Frizzled-7
    (Gln33 - Leu185)
    Accession # NP_003498
    IEGRMD Human IgG1
    (Pro100 - Lys330)
  • Accession #
  • N-terminal Sequence
  • Structure / Form
    Disulfide-linked homodimer
  • Predicted Molecular Mass
    43.3 kDa (monomer)
    55-66 kDa, reducing conditions
Product Datasheets

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Formulation Lyophilized from a 0.2 μm filtered solution in PBS.
Reconstitution Reconstitute at 200 μg/mL in PBS.
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.
  • 3 months, -20 to -70 °C under sterile conditions after reconstitution.
Background: Frizzled-7

Frizzled-7 is a member of the Frizzled family of unconventional G-protein-coupled glycoprotein receptors for the Wnt signaling pathway (1 - 3). The Wnt genes encode a large family of glycoproteins that are essential in development and tissue maintenance (1, 2). Like other Frizzled family members, Frizzled-7 contains a divergent N-terminal signal peptide (amino acid (aa) 1 - 32), a highly conserved extracellular cysteine-rich domain (CRD, aa 44 - 169), a variable-length linker region (aa 170 ‑ 256), a seven-pass transmembrane region (aa 257 - 549), and a variable-length C-terminal cytoplasmic domain (aa 550 - 574) (1 - 3). The CRD, which comprises the binding site for Wnts and other ligands such as Syndecan 4 and fibronectin, spans about 130 amino acid residues and contains ten invariant cysteine residues (2, 3). Expressed alone, it can compete with native Frizzled to inhibit Wnt canonical signaling (4). Within aa 33 - 185, human Frizzled-7 shares ~99% aa identity with human, rat, canine and bovine Frizzled-7. Mature Frizzled-7 also shares 80% aa identity with Frizzled-1 and Frizzled-2. Roles for Frizzled-7 have been determined in both canonical Wnt/ beta -Catenin-mediated signaling and non‑canonical planar cell polarity and calcium pathways (1, 2, 4). During development, Frizzled-7 is expressed during gastrulation and in the fetal gut, kidney and lung where it is thought to influence tissue morphogenesis via non-canonical signaling pathways (3 - 5). In the adult, Frizzled-7 is expressed in skeletal muscle, especially in satellite cells that mediate muscle regeneration in response to Wnt-7a (3, 6). It is expressed in embryonic stem cells (ES), contributing to self-renewal signaling (7). It has been implicated in mesenchymal-to-epithelial transition in colorectal cancer (2, 8). Frizzled-7 mRNA has also been detected in adult heart and placenta (3).

  • References:
    1. Schulte, G. and V. Bryja (2007) Trends Pharmacol. Sci. 28:518.
    2. Vincan, E. et al. (2007) Front. Biosci. 12:4558.
    3. Sagara, N. et al. (1998) Biochem. Biophys. Res. Commun. 252:117.
    4. Medina, A. et al. (2000) Mech. Dev. 92:227.
    5. Kemp, C.R. et al. (2007) Dev. Dyn. 236:2011.
    6. Le Grand, F. et al. (2009) Cell Stem Cell 4:535.
    7. Melchior, K. et al. (2008) Biol. Chem. 389:897.
    8. Vincan, E. et al. (2007) Oncogene 26:2340.
  • Entrez Gene IDs:
    8324 (Human); 14369 (Mouse)
  • Alternate Names:
    frizzled (Drosophila) homolog 7; frizzled homolog 7 (Drosophila); Frizzled, drosophila, homolog of, 7; Frizzled7; Frizzled-7; fz-7; FZD7; FzE3frizzled-7; hFz7
Related Research Areas

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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Sample Type
  1. Microglia-induced activation of non-canonical Wnt signaling aggravates neurodegeneration in demyelinating disorders
    Mol Cell Biol, 2016;0(0):.
    Species: Rat
    Sample Type: Whole Cells
    Application: Bioassay
  2. Widespread potential for growth-factor-driven resistance to anticancer kinase inhibitors.
    Authors: Wilson TR, Fridlyand J, Yan Y, Penuel E, Burton L, Chan E, Peng J, Lin E, Wang Y, Sosman J, Ribas A, Li J, Moffat J, Sutherlin DP, Koeppen H, Merchant M, Neve R, Settleman J
    Nature, 2012;487(7408):505-9.
    Species: Human
    Sample Type: Whole Cells
    Application: Bioassay


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Binding assay/Protein-protein interaction Recombinant Human Frizzled-7 Fc Chimera Protein, CF 6178-FZ Array 6178-FZ
 Binding assay/Protein-protein interaction Anonymous 02/26/2018
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Binding assay/Protein-protein interaction Recombinant Human Frizzled-7 Fc Chimera Protein, CF 6178-FZ
Binding assay/Protein-protein interaction: Recombinant Human Frizzled-7 Fc Chimera Protein, CF [6178-FZ].


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