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CD19 Mouse anti-Human, Brilliant Violet 711, Clone: SJ25C1, BD

Mouse Monoclonal Antibody

$195.00 - $395.00

Specifications

Antigen CD19
Isotype IgG1, κ
Immunogen Human NALM1 + NALM16 cells
Formulation Aqueous buffered solution containing BSA and ≤0.09% sodium azide.
Conjugate Brilliant Violet 711
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Products 2
Catalog Number Mfr. No. Quantity Price Quantity & Availability  
Catalog Number Mfr. No. Quantity Price Quantity & Availability  
BDB563038
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BD Biosciences
563038
25 Tests
Each for $195.00
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BDB563036
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BD Biosciences
563036
100 Tests
Each for $395.00
Add to cart
 
Description

Description

The SJ25C1 monoclonal antibody specifically binds to CD19, a B lymphocyte-lineage differentiation antigen. CD19, a 90-kDa transmembrance glycoprotein, is a member of the immunoglobulin superfamily and is expressed throughout B-lymphocyte development from the pro-B cell through the 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™ BV711 which is part of the BD Horizon™ Brilliant Violet™ family of dyes. This dye is a tandem fluorochrome of BD Horizon™ BV421 with an Ex Max of 405-nm and an acceptor dye with an Em Max at 711-nm. BD Horizon™ BV711 can be excited by the violet laser and detected in a filter used to detect Cy™5.5 / Alexa Fluor™ 700-like dyes (eg, 712/20-nm filter). Due to the excitation and emission characteristics of the acceptor dye, there may be moderate spillover into the Alexa Fluor™ 700 and PerCP-Cy™5.5 detectors. However, the spillover can be corrected through compensation as with any other dye combination.

Specifications

Specifications

CD19
Human NALM1 + NALM16 cells
Brilliant Violet 711
Flow Cytometry
RUO
SJ25C1
B4; B-lymphocyte antigen CD19; Leu-12
IgG1, κ
Aqueous buffered solution containing BSA and ≤0.09% sodium azide.
Primary
Murine
Affinity Purified
Monoclonal
Store undiluted at 4°C and protected from prolonged exposure to light. Do not freeze.
SDS

For Research Use Only.

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