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Questions? Please consult our answers to frequently asked questions at http://www.ebioscience.com/faq. DescriptionThe eBio927 monoclonal antibody reacts with PDCA-1 (BST2, CD317), a specific marker of plasmacytoid dendritic cells (pDC), also known as type I IFN-producing cells (IPC) in the naïve mouse. Mouse IPCs are typically CD11c+, CD11b-, B220+, Ly-6C+, and CD62L+. PDCA-1 is predominantly expressed by IPCs in the naïve mouse which represents a very minor population (<0.5%) of splenocytes. It is upregulated on numerous cell types following stimulation which triggers an IFN response. PDCA-1 cycles between cell surface and intracellular compartments and may function to regulate trafficking of secreted cytokines. PDCA-1 (BST2) is the protein recognized by antibody 120G8. The eBio927 monoclonal antibody has also been shown to have functional activity. The epitope recognized by eBio927 is distinct from eBio129c; thus, the antibodies can be used to costain, purify and identify pDCs. Applications ReportedFor research use only, not for diagnostic or therapeutic use. This eBio927 antibody has been reported for use in flow cytometric analysis. Applications TestedThis eBio927 antibody has been tested by flow cytometric analysis of BST2 transfected cells. This can be used at less than or equal to 0.125 μg per million cells in a 100 μl total staining volume. It is recommended that the antibody be carefully titrated for optimal performance in the assay of interest. For staining of endogenous PDCA-1 in tissue/cells, it is preferrable to use direct conjugates rather than two-step staining with purified antibody. References
Blasius A.L., E. Giurisat, M. Cella, R.D. Schreiber, A.S. Shaw, M. Colonna. 2006. Bone Marrow Stromal Cell Antigen 2 Is a Specific Marker of Type I IFN-Producing Cells in the Naïve Mouse, but a Promiscuous Cell Surface Antigen Following IFN Stimulation. J Immunol. 177:3260-3265 (927, FC, FA) Related ProductsCat. 14-4031 Purified Rat IgG2b Isotype Control Cat. 11-4317 Streptavidin-FITC (Fluorescein isothiocyanate) Cat. 12-4317 Streptavidin-PE (Phycoerythrin) Cat. 17-4317 Streptavidin Allophycocyanin (SA-APC) Cat. 11-4811 FITC Anti-Rat IgG Cat. 13-4813 Biotin Anti-Rat IgG (clone Polyclonal) |
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