Recombinant Human EpCAM/TROP1 Fc Chimera Protein, CF Summary
1918-FN) coated plates, cell adhesion is enhanced in a dose dependent manner after 45 minutes at 37 °C. The ED50 for this effect is 0.7-2.8 μg/mL.
Accession # CAA32870.1
|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.
Epithelial Cellular Adhesion Molecule (EpCAM), also known as KS1/4, gp40, GA733-2, 17-1A, and TROP‑1, is a 40 kDa transmembrane glycoprotein composed of a 242 amino acid (aa) extracellular domain with two epidermal-growth-factor-like (EGF‑like) repeats within the cysteine-rich N-terminal region, a 23 aa transmembrane domain, and a 26 aa cytoplasmic domain. Human and mouse EpCAM share 82% aa sequence identity. In human, EpCAM also shares 49% aa sequence homology with Trop‑2/EGP‑1. During embryonic development, EpCAM is detected in fetal lung, kidney, liver, pancreas, skin, and germ cells. In adults, human EpCAM is detected in basolateral cell membranes of all simple, pseudo-stratified, and transitional epithelia, but is not detected in normal squamous stratified epithelia, mesenchymal tissue, muscular tissue, neuro-endocrine tissue, or lymphoid tissue (1). EpCAM expression has been found to increase in actively proliferating epithelia tissues and during adult liver regeneration (1, 2). EpCAM expression is also found to increase in human malignant neoplasias, with most carcinoma expressing EpCAM including those of arising from squamousal epithelia (1). EpCAM has been shown function as a homophilic Ca2+ independent adhesion molecule (3). Homophilic adhesion via EpCAM requires the interaction of both EGF‑like repeats, with the first EGF‑like repeat mediating reciprocal interaction between EpCAM molecules on opposing cells, while the second repeat is involved in lateral interaction of EpCAM. Lateral interaction of EpCAM lead to the formation of dimers and tetramers (4). During homophilic adhesion the cytoplasmic tail of EpCAM interacts with the actin cytoskeleton via a direct association alpha -actinin (5).
- Balzar, M. et al. (1999) J. Mol. Med. 77:699.
- Boer, C.J, et al. (1999) J. Pathol. 188:201.
- Litvinow, S.V. et al. (1994) J. Cell Biol. 125:437.
- Balzar, M. et al. (2001) Mol. Cell. Biol. 21:2570.
- Balzar, M. et al. (1998) Mol. Cell. Biol. 18:4388.
Citations for Recombinant Human EpCAM/TROP1 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.
Citations: Showing 1 - 3
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Effect of leaf position and days post-infiltration on transient expression of colorectal cancer vaccine candidate proteins GA733-Fc and GA733-FcK in Nicotiana benthamiana plant
Authors: K Kim, YJ Kang, SR Park, DS Kim, SW Lee, K Ko, D Ponndorf, K Ko
Species: Nicotiana benthamiana
Sample Types: Leaf Homogenates
Applications: Reference Standard
3D niche microarrays for systems-level analyses of cell fate.
Authors: Ranga A, Gobaa S, Okawa Y, Mosiewicz K, Negro A, Lutolf M
Nat Commun, 2014;5(0):4324.
Sample Types: Protein
EpCAM modulates NF-kappaB signaling and interleukin-8 expression in breast cancer.
Authors: Sankpal N, Fleming T, Gillanders W
Mol Cancer Res, 2013;11(4):418-26.
Sample Types: Whole Cells
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