CD83 was detected in immersion fixed mouse splenocytes using 10 µg/mL Goat Anti-Mouse CD83 Antigen Affinity-purified Polyclonal Antibody (Catalog # AF1437) for 3 hours at room temperature. Cells were stained with the ...read more
CD83 was detected in immersion fixed LPS-stimulated mouse dendritic cells using Goat Anti-Mouse CD83 Antigen Affinity-purified Polyclonal Antibody (Catalog # AF1437) at 10 µg/mL for 3 hours at room temperature. Cells ...read more
Use a manual defrost freezer and avoid repeated freeze-thaw cycles.
12 months from date of receipt, -20 to -70 °C as supplied.
1 month, 2 to 8 °C under sterile conditions after reconstitution.
6 months, -20 to -70 °C under sterile conditions after reconstitution.
Lyophilized from a 0.2 μm filtered solution in PBS with Trehalose. *Small pack size (SP) is supplied as a 0.2 µm filtered solution in PBS.
Immunogen affinity purified
Reconstitute at 0.2 mg/mL in sterile PBS.
This product is produced by and ships from R&D Systems, Inc., a Bio-Techne brand.
Alternate Names for CD83 Antibody
B-cell activation protein
CD83 antigen (activated B lymphocytes, immunoglobulin superfamily)
Cell surface protein HB15
Mouse CD83 is a 30‑35 kDa member of the Siglec (or sialic-acid-binding immunoglobulin-like lectin) family of transmembrane proteins (1, 2, 3). CD83 is synthesized as a type I transmembrane glycoprotein that contains a 114 amino acid (aa) extracellular region, a 22 aa transmembrane segment, and a 39 aa cytoplasmic domain. It contains one V type Ig-like domain in the extracellular region with no inhibitory cytoplasmic motif(s). In the extracellular region, mouse and human CD83 are 66% aa identical (1, 2, 4). Relative to mouse, human CD83 has an 11 aa insertion in its extracellular domain and is expressed as a 45‑55 kDa protein (1, 4, 5, 6). No alternate splice variants have been reported for mouse. In human, however, one soluble splice form has been reported and proteolytic processing is suggested to generate a second circulating isoform (6, 7). Notably, although soluble CD83 has the potential to exist as either a monomer or disulfide-linked dimer, both show immunosuppressive activity (4, 8, 9). Membrane CD83, by contrast, is immunostimulatory (10). CD83 is a primary marker for dendritic cells (3, 5, 6). It is also found on B cells (6, 11), neutrophils (12), monocytes and macrophages (13). Except for dendritic cells, CD83 expression is often transient. CD83 binds to sialic acids on monocytes (3). The function of CD83 is only now becoming clear. As noted, membrane-immobilized CD83 appears to promote T cell proliferation, particularly of CD8+ cytotoxic T cells (14). On monocytes, CD83 may also drive monocytes into a fibrocyte phenotype (14). And a lack of membrane-expressed CD83 leads to an unusual IL-4/IL-10 producing CD4+ T cell phenotype (15).
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This product is for research use only and is not approved for use in humans or in clinical diagnosis. Primary Antibodies are guaranteed for 1 year from date of receipt.
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