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CD278 (ICOS), clone: ISA-3, eBioscience™

Mouse Monoclonal Antibody

Brand:  Affymetrix eBioscience 14-9948-80

Code : Z2

Additional Details : Weight : 0.01000kg

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Product Code. 15238267

  • £68.21 / 25µg


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Description

Description

Description: The ISA-3 monoclonal antibody reacts with human ICOS (Inducible COStimulatory molecule), also known as H4, CRP-1 and AILIM. ICOS is a T cell specific activation molecule and a third member of the CD28/CTLA-4 family. Human ICOS has a relative molecular mass of 55-60 kDa, composed of 27kDa and 29kDa chains. Human ICOS on activated T cells has potent costimulatory activity for T cell activation and is required for humoral immune responses, in particular for memory B cell and plasma cell generation. ICOS binds to its ligand, B7h/B7RP-1 expressed on activated APCs (antigen presenting cells) and on a number of inflamed peripheral tissues. Plate-bound ISA-3 is costimulatory for T cells and induces production of IL-4, IL-5, IL-10 and other cytokines, but not IL-2. ISA-3 has the same reactivity pattern and characteristics as F44. ISA-3 was generated against the human ICOS antigen. C398.4A, anti-mouse ICOS/H4 (cat. 14-9949), was shown to cross-react with human ICOS but binds to an epitope different from ISA-3. C398.4A stains activated cells brighter than ISA-3; however, it also exhibits higher staining of non-activated human peripheral blood or isolated PBMC. To achieve the brightest staining of ICOS on activated human T cells, please use 13-9948 or 12-9948 rather than 11-9948.Applications Reported: The ISA-3 antibody has been reported for use in flow cytometric analysis, immunoprecipitation, and immunohistochemical staining of frozen tissue sections. It has also been reported in in vitro functional assays. (Please use Functional Grade purified ISA-3, cat. 16-9948, in functional assays.).Applications Tested: The ISA-3 antibody has been tested by flow cytometric analysis of unstimulated and PHA-activated (2 days) human blood cells. This can be used at less than or equal to 0.5 μg per test. A test is defined as the amount (μg) of antibody that will stain a cell sample in a final volume of 100 μL. Cell number should be determined empirically but can range from 10^5 to 10^8 cells/test. It is recommended that the antibody be carefully titrated for optimal performance in the assay of interest.Purity: Greater than 90%, as determined by SDS-PAGE.Aggregation: Less than 10%, as determined by HPLC.Filtration: 0.2μm post-manufacturing filtered.
Specifications

Specifications

CD278 (ICOS)
Monoclonal
0.5mg/mL
PBS with 0.09% sodium azide; pH 7.2
Q9Y6W8
AILIM, CD278, CVID1, activation-inducible lymphocyte immunomediatory molecule, inducible T-cell costimulator, inducible costimulator
Murine
Affinity chromatography
RUO
Antibody
Monoclonal
Human
Flow CytometryþFunctional AssayþImmunohistochemistry (Frozen)þImmunoprecipitation
ISA-3
Unconjugated
ICOS
Purified
ICOS
IgG1, kappa
25μg
Store at 2-8°C.
Primary
29851
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