Recombinant Human sFRP-5 Protein, CF
Recombinant Human sFRP-5 Protein, CF Summary
Glu30-His317, with an N-terminal HA (YPYDVPDYA) tag
CF stands for Carrier Free (CF). We typically add Bovine Serum Albumin (BSA) as a carrier protein to our recombinant proteins. Adding a carrier protein enhances protein stability, increases shelf-life, and allows the recombinant protein to be stored at a more dilute concentration. The carrier free version does not contain BSA.
In general, we advise purchasing the recombinant protein with BSA for use in cell or tissue culture, or as an ELISA standard. In contrast, the carrier free protein is recommended for applications, in which the presence of BSA could interfere.
|Formulation||Lyophilized from a 0.2 μm filtered solution in PBS and NaCl.|
|Reconstitution||Reconstitute at 100 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.
Secreted Frizzled Related Protein-5 (sFRP-5), also known as SARP-3, belongs to a family of Wnt‑binding proteins with homology to the ligand‑binding domain of the Frizzled receptors. sFRPs are approximately 30-35 kDa in size and contain an N‑terminal Frizzled-like domain with 10 conserved cysteines and a Netrin-like C-terminal domain (1-3). Mature human sFRP-5 shares 96% aa sequence identity with mouse and rat sFRP‑2 (4). During embryonic development, sFRP-5 is expressed in the anterior visceral endoderm, neural tube, foregut epithelium, and proliferating and prehypertrophic chondrocytes (5-8). sFRP-5 activity is required for the development of foregut, liver, ventral pancreas, and somites (6, 7). In the adult, sFRP-5 is expressed in the retinal pigment epithelium and pancreas (4, 9). sFRP-5 binds and antagonizes the function of mammalian Wnt-5a and Wnt-11 as well as Xenopus Xwnt-8, resulting in an inhibition of both canonical and non-canonical Wnt signaling (7, 9, 10). sFRP-5 down‑regulation is common in breast and gastric cancer cells and is correlated with poor prognosis (11-13). It functions as a tumor suppressor by inhibiting epithelial‑mesenchymal transition, invasiveness, and tumorigenicity of ovarian cancer cells (14). sFRP-5 plays an important role in maintaining glucose handling and insulin sensitivity (10). It is secreted by adipocytes and is down‑regulated in mouse models of obesity and type 2 diabetes (10).
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Citations for Recombinant Human sFRP-5 Protein, CF
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.
Citations: Showing 1 - 3
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Macrophage LRP1 Promotes Diet-Induced Hepatic Inflammation and Metabolic Dysfunction by Modulating Wnt Signaling
Authors: DT Au, M Migliorini, DK Strickland, SC Muratoglu
Mediators Inflamm., 2018;2018(0):7902841.
Sample Types: Protein
Applications: Surface Plasmon Resonance
Effect of Sfrp5 on cytokine release and insulin action in primary human adipocytes and skeletal muscle cells.
Authors: Carstensen M, Wiza C, Rohrig K, Fahlbusch P, Roden M, Herder C, Ouwens D
PLoS ONE, 2014;9(1):e85906.
Sample Types: Whole Cells
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
Sample Types: Whole Cells
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