CD19 Rat anti-Mouse, BUV395, Clone: 1D3, BD
Rat Monoclonal Antibody
Manufacturer: BD Biosciences 563557
The 1D3 antibody reacts with CD19, a B lymphocyte-lineage differentiation antigen. CD19, a 95-kDa transmembrance glycoprotein, is a member of the immunoglobulin superfamily and is expressed throughout B-lymphocyte development from the pro-B cell throughthe mature B-cell stages. Terminally differentiated plasma cells do not express CD19. On the surface of mature B cells, the CD19 molecule associates with CD21 (CR-2) and CD81 (TAPA-1), and this multimolecular complex synergizes with surface immunoglobulin to promote cellular activation. Studies with CD19-deficient mice have suggested that the level of CD19 expression affects the generation and maturation of B cells in the bone marrow and periphery. B-1 lineage B cells, also known as CD5+ B cells, are drastically reduced or absent in CD19-deficient mice. Increased levels of CD19 expression correlate with increased frequencies of peritonal and splenic B-1 cells and reduced numbers of conventional B lymphocytes in the periphery. CD19 participates in B-lymphocyte development, B-cell activation, maturation of memory B cells and regulation of tolerance. CD19 has also been detected on peritoneal mast cells, co-localized with CD21/CD35, and it is proposed to play a role in complement-mediated mast-cell activation.
The antibody was conjugated to BD Horizon BUV395 which has been exclusively developed by BD Biosciences as an optimal dye for use on a 355nm laser equipped instrument. With an Ex Max at 348 nmand an Em Max at 395nm, this dye has virtually no spillover into any other detector. BD Horizon BUV395 can be excited with a 355nm laser and detected with a 379/28 filter.
|Brilliant Ultraviolet 395|
|Aqueous buffered solution containing BSA and ≤0.09% sodium azide.|
|Cd19; CD19 antigen; B-lymphocyte antigen CD19|
|Mouse CD19 Transfected Cell Line|
|Store undiluted at 4°C and protected from prolonged exposure to light. Do not freeze.|
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