Human DEP-1/CD148 Fluorescein-conjugated Antibody Summary
Applications
Please Note: Optimal dilutions should be determined by each laboratory for each application. General Protocols are available in the Technical Information section on our website.
Scientific Data
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Detection of DEP‑1/CD148 in Human Blood Lymphocytes by Flow Cytometry. Human peripheral blood lymphocytes were stained with Mouse Anti-Human DEP-1/CD148 Fluorescein-conjugated Monoclonal Antibody (Catalog # FAB1934F, filled histogram) or isotype control antibody (Catalog # IC002F, open histogram). View our protocol for Staining Membrane-associated Proteins.
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Preparation and Storage
- 12 months from date of receipt, 2 to 8 °C as supplied.
Background: DEP-1/CD148
Density Enhanced Protein Tyrosine Phosphatase (DEP-1), also known as CD148, HPTP-eta, and PTP Receptor Type J (PTPRJ), is an enzyme that removes phosphate groups covalently attached to tyrosine residues in proteins. A large (220 kDa) glycoprotein found at the cell surface, DEP-1 levels are increased with high cell density (1). DEP-1 phosphatase activity is enhanced by basement membrane proteins (2), suggesting it is involved in regulating cell adhesion and contact interactions. High levels of expression dampen PDGF (3), VEGF (4), and T-cell receptor (5) responses. DEP-1 is widely expressed in tissues, particularly ones forming epithelioid monolayers (6). In the immune system, DEP-1 is found on all cell lineages and is highest on granulocytes (7). Dep-1 is the mutated gene in the Susceptibility to Colon Cancer locus Scc1, which is altered in many human colorectal adenomas (8). Gene knockout mice lacking DEP-1 die at midgestation due to failures in cardiovascular development (9). DEP-1 dephosphorylates a variety of proteins, including the HGF (10), PDGF (11), and VEGF (4) receptors, and beta-Catenin (12). The recombinant protein is the intracellular region of DEP-1 containing the catalytic domain.
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- de la Fuente-Garcia, M.A. et al. (1998) Blood 91:2800.
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- Takahashi, T. et al. (2003) Mol. Cell. Biol. 23:1817.
- Palka, H.L. et al. (2003) J. Biol. Chem. 278:5728.
- Kovalenko, M. et al. (2000) J. Biol. Chem. 275:16219.
- Holsinger, L.J. et al. (2002) Oncogene 21:7067.
Product Datasheets
Citation for Human DEP-1/CD148 Fluorescein-conjugated Antibody
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
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Polymorphisms of protein tyrosine phosphatase CD148 influence Fc gamma RIIA-dependent platelet activation and the risk of heparin-induced thrombocytopenia.
Authors: Rollin J, Pouplard C, Gratacap MP, Leroux D, May MA, Aupart M, Gouilleux-Gruart V, Payrastre B, Gruel Y
Blood, 2012-06-07;120(6):1309-16.
Species: Human
Sample Types: Whole Cells
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