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CD278 Mouse anti-Human, Brilliant Violet 711, Clone: DX29, BD

Mouse Monoclonal Antibody

Manufacturer:  BD Biosciences 563833

Catalog No. BDB563833


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Description

Description

The DX29 monoclonal antibody specifically binds to human CD278 which is also known as inducible costimulator (ICOS) and inducible T-cell co-stimulator. ICOS is a homodimeric type I transmembrane glycoprotein with an approximate molecular weight of 50-60 kDa. It is a member of the CD28 family and is highly expressed on activated T cells. CD278 is the receptor for ICOS-ligand (also known as CD275, B7-H2, B7RP-1, and LICOS). Like CD28, ICOS can provide a costimulatory signal for T cell activation, proliferation and cytokine production. It is not expressed on resting or activated B cells, monocytes, NK cells, granulocytes, dendritic cells or platelets. Unlike the constitutively expressed CD28, ICOS is de novo expressed upon cellular activation. Reports describe similarities between CD28 and ICOS in T cell activation, such as the costimulation of cytokine production. However, it has been suggested that ICOS may play a greater role in IL-10 production. In the presence of IL-10, purified recombinant human ICOS protein significantly increased in vitro B cell growth stimulated by pokeweed mitogen (PWM) and enhanced production of IgG.

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

CD278
DX29
ICOS; DX-29; H4; Inducible T-cell costimulator; AILIM; CVID1
Affinity Purified
Activated human T cells
50 Tests
Store undiluted at 4°C and protected from prolonged exposure to light. Do not freeze.
Monoclonal
Flow Cytometry
Brilliant Violet 711
Aqueous buffered solution containing BSA and ≤0.09% sodium azide.
Murine
IgG1, κ
RUO
Primary
Human
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