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CD25 Mouse anti-Human, Brilliant Violet 421, Clone: 2A3, BD

Mouse Monoclonal Antibody

Manufacturer:  BD Biosciences 564033

Catalog No. BDB564033


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Description

Description

The 2A3 monoclonal antibody specifically binds to human CD25, the low-affinity alpha subunit of the Interleukin-2 Receptor (IL-2R α). CD25 associates with CD122 (IL-2R β chain) and CD132 (common γchain or γc) to form the high-affinity signal-transducing IL-2R complex. CD25 is expressed by a subset of peripheral blood lymphocytes including CD4+CD25+ natural regulatory T cells. CD25 antigen density increases on activated T cells including phytohemagglutinin (PHA)-, concanavalin A (Con A)-, and CD3-activated T lymphocytes. High levels of CD25 can also be expressed by T lymphocytes from mixed lymphocyte cultures and by human T-lymphocyte leukemia virus (HTLV)-infected T-lymphocyte leukemia lines, for example, HUT-102. Recombinant IL-2 blocks the binding of the 2A3 antibody to PHA-activated T lymphocytes.

The antibody was conjugated to BD Horizon™ BV421 which is part of the BD Horizon™ Brilliant Violet™ family of dyes. With an Ex Max of 407-nm and Em Max at 421-nm, BD Horizon™ BV421 can be excited by the violet laser and detected in the standard Pacific Blue™ filter set (eg, 450/50-nm filter). BD Horizon™ BV421 conjugates are very bright, often exhibiting a 10 fold improvement in brightness compared to Pacific Blue™ conjugates.

Specifications

Specifications

CD25
2A3
IL-2R; IL2RA; IL-2Rα; TCGFR; TAC antigen; p55
Affinity Purified
Human Phytohemagglutinin-activated T Cells
100 Tests
Store undiluted at 4°C and protected from prolonged exposure to light. Do not freeze.
Monoclonal
Flow Cytometry
Brilliant Violet 421
Aqueous buffered solution containing BSA and ≤0.09% sodium azide.
Murine
IgG1, κ
RUO
Primary
Human
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