Recombinant Human Contactin-1 Fc Chimera Protein, CF
Recombinant Human Contactin-1 Fc Chimera Protein, CF Summary
Accession # CAA79696
|IEGRMD||Human IgG1 |
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.|
|Reconstitution||Reconstitute at 100 μg/mL in sterile 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.
Contactin-1 (CNTN1), also known as F3 and F11, is an approximately 135 kDa GPI-anchored member of the Contactin family of neuronal adhesion glycoproteins (1). Mature human Contactin-1 contains 6 Ig-like domains and 4 fibronectin type III-like domains, and it shares 96% amino acid (aa) sequence identity with mouse and rat Contactin-1 (2, 3). Alternative splicing generates an isoform with an 11 aa deletion N-terminal to the first Ig-like domain and another isoform that is substituted and truncated following the sixth Ig-like domain. A soluble form of Contactin-1 is released into the cerebrospinal fluid (4). Contactin-1 is expressed on neurons and their precursors at sites of glial cell contact with neuronal processes (5-7). Within paranodal regions of the axon, Contactin-1 associates in cis with the transmembrane protein Caspr (7). It binds in trans to other neuronal adhesion proteins (e.g. NrCAM, Neurofascin, Tenascin R), the phosphatase PTPRZ, and the chondroitin sulfate CS-E (8-13). It also binds and activates both Notch-1 and Notch-2 (14). Ligation of Contactin-1 promotes neurite outgrowth, adhesion to Schwann cells, axon myelination, and differentiation of oligodendrocytes and cerebellar granule neurons, but it can also negatively regulate neurogenesis in the ventricular zone
(4, 6-9, 12-14). In cancer, Contactin-1 is up-regulated by VEGF-C and is required for VEGF R3/Flt-4 induced tumor cell invasion and metastasis (15).
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- Boyle, M.E.T. et al. (2001) Neuron 30:385.
- Volkmer, H. et al. (1996) J. Cell Biol. 135:1059.
- Xenaki, D. et al. (2011) Development 138:519.
- Volkmer, H. et al. (1998) J. Cell Biol. 142:1083.
- Pesheva, P. et al. (1993) Neuron 10:69.
- Peles, E. et al. (1995) Cell 82:251.
- Mikami, T. et al. (2009) J. Biol. Chem. 284:4494.
- Hu, Q.-D. et al. (2003) Cell 115:163.
- Su, J.-L. et al. (2006) Cancer Cell 9:209.
Citation for Recombinant Human Contactin-1 Fc Chimera 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.
1 Citation: Showing 1 - 1
Differentiation of human umbilical cord matrix mesenchymal stem cells into neural-like progenitor cells and maturation into an oligodendroglial-like lineage.
Authors: Leite C, Silva N, Mendes S, Ribeiro A, de Faria J, Lourenco T, dos Santos F, Andrade P, Cardoso C, Vieira M, Paiva A, da Silva C, Cabral J, Relvas J, Graos M
PLoS ONE, 2014;9(10):e111059.
Sample Types: Whole Cells
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