|Detection of DC-STAMP in Human Denditic Cells by Flow Cytometry. Mature human monocyte-derived dendritic cells treated with 20 ng/mL Recombinant Human IL-4 (Catalog # 204-IL) and 50 ng/mLRecombinant Human GM-CSF (Catalog # 215-GM) for 6 days then treated with 20 ng/mL LPS, 20 ng/mL Recombinant Human TNF-alpha (Catalog # 210-TA), and 20 ng/ml Recombinant Human IL-1 beta (Catalog # 201-LB) for 24 hourswere stained with Mouse Anti-Human CD83 Fluorescein‑conjugated Monoclonal Antibody (Catalog # FAB1774F) and either (A) Mouse Anti-Human DC-STAMP APC‑conjugated Monoclonal Antibody (Catalog # FAB7824A) or (B) Mouse IgG2B Allophycocyanin Isotype Control (Catalog # IC0041A). View our protocol for Staining Membrane-associated Proteins.|
DC-STAMP, also known as TM7SF4, is an approximately 50 kDa glycoprotein with seven transmembrane segments. It is expressed on the surface of dendritic cells and monocytes as well as on osteoclasts and their progenitors. DC-STAMP binds CTGF/CCN2 and cooperates with TRANCE/RANK L for inducing osteoclast differentiation and fusion into multinucleated cells. It contains a cytoplasmic immunoreceptor tyrosine-based inhibitory motif (ITIM) and associates with FC gamma RIII/CD16. Within aa 314-376, human DC-STAMP shares approximately 75% aa sequence identity with mouse and rat DC-STAMP.
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