Ultra-LEAF™ Purified anti-mouse CD278 (ICOS) Antibody

Pricing & Availability
Clone
7E.17G9 (See other available formats)
Regulatory Status
RUO
Other Names
Inducible COStimulatory molecule, H4
Isotype
Rat IgG2b, κ
Ave. Rating
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Product Citations
publications
Cat # Size Price Quantity Check Availability Save
117413 100 µg $110
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117414 1 mg $149
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117415 5 mg $539
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117416 25 mg $1408
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117417 50 mg $2354
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117418 100 mg $3383
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Description

The 7E.17G9 antibody reacts with the 47-57 kD ICOS protein, also known as inducible costimulatory molecule, and H4. This protein is homologous to the CD28/CTLA-4 proteins. ICOS is expressed on activated T cells and a subset of thymocytes and can costimulate T cells and induce proliferation. In addition ICOS has been shown to be involved in humoral immune responses (B cell germinal center formation). The ICOS ligand, B7h/B7RP-1 and B7-H2 is constitutively expressed in B cell areas of secondary lymphoid organs and can be induced in other tissues by LPS. ICOS stimulation has been shown to potentiate TCR-mediated IL-4 and IL-10 production and has been proposed to play a role in Th2 cell development. ICOS stimulation has been shown to be involved in airway tolerance and the downregulation of pulmonary inflammation.

Product Details
Technical data sheet

Product Details

Verified Reactivity
Mouse
Antibody Type
Monoclonal
Host Species
Rat
Immunogen
Mouse ICOS cDNA and ICOS hexahistidine fusion protein
Formulation
0.2 µm filtered in phosphate-buffered solution, pH 7.2, containing no preservative. Endotoxin level is < 0.01 EU/µg of the protein (< 0.001 ng/µg of the protein) as determined by the LAL test.
Preparation
The Ultra-LEAF™ (Low Endotoxin, Azide-Free) antibody was purified by affinity chromatography.
Concentration
The antibody is bottled at the concentration indicated on the vial, typically between 2 mg/mL and 3 mg/mL. Older lots may have also been bottled at 1 mg/mL. To obtain lot-specific concentration, please enter the lot number in our Concentration and Expiration Lookup or Certificate of Analysis online tools.
Storage & Handling
The antibody solution should be stored undiluted between 2°C and 8°C. This Ultra-LEAF™ solution contains no preservative; handle under aseptic conditions.
Application

FC - Quality tested
Block - Reported in the literature, not verified in house

Recommended Usage

Each lot of this antibody is quality control tested by immunofluorescent staining with flow cytometric analysis. For flow cytometric staining, the suggested use of this reagent is ≤1.0 µg per million cells in 100 µL volume or 100 µL of whole blood. It is recommended that the reagent be titrated for optimal performance for each application.

Application Notes

Additional reported applications (for the relevant formats) include: blocking of ligand binding. The LEAF™ format is suggested for blocking studies.

Application References

(PubMed link indicates BioLegend citation)
  1. Akbari O, et al. 2002. Nat. Med. 8:1024.
  2. Harada H, et al. 2003. J. Clin. Invest. 112:234.
  3. McAdam AJ, et al. 2000. J. Immunol. 165:5035. (FC Block)
  4. Tan SL, et al. 2006. J. Immunol. 176:2872. PubMed
RRID
AB_2832411 (BioLegend Cat. No. 117413)
AB_2832412 (BioLegend Cat. No. 117414)
AB_2832413 (BioLegend Cat. No. 117415)
AB_2832414 (BioLegend Cat. No. 117416)
AB_2832415 (BioLegend Cat. No. 117417)
AB_2832416 (BioLegend Cat. No. 117418)

Antigen Details

Structure
CD28/CTLA-4, 47-57kD
Distribution

Activated T cells, subset of thymocytes

Function
Costimulates T cell activation, proliferation, humoral immune response
Ligand/Receptor
B7h/B7RP-1/GL-50
Cell Type
T cells, Thymocytes
Biology Area
Costimulatory Molecules, Immunology
Molecular Family
CD Molecules
Antigen References

1. Rudd CE, et al. 2003. Nat. Rev. Immunol. 3:544.
2. McAdam AJ, et al. 2000. J. Immunol. 165:5035.
3. Mak TW, et al. 2003. Nat. Immunol. 4:765

Gene ID
54167 View all products for this Gene ID
UniProt
View information about CD278 on UniProt.org

Related FAQs

Do you guarantee that your antibodies are totally pathogen free?

BioLegend does not test for pathogens in-house aside from the GoInVivo™ product line. However, upon request, this can be tested on a custom basis with an outside, independent laboratory.

Does BioLegend test each Ultra-LEAF™ antibody by functional assay?

No, BioLegend does not test Ultra-LEAF™ antibodies by functional assays unless otherwise indicated. Due to the possible complexities and variations of uses of biofunctional antibodies in different assays and because of the large product portfolio, BioLegend does not currently perform functional assays as a routine QC for the antibodies. However, we do provide references in which the antibodies were used for functional assays and we do perform QC to verify the specificity and quality of the antibody based on our strict specification criteria.

Does BioLegend test each Ultra-LEAF™ antibody for potential pathogens?

No, BioLegend does not test for pathogens in-house unless otherwise indicated.  However, we can recommend an outside vendor to perform this testing as needed.

Have you tested this Ultra-LEAF™ antibody for in vivo or in vitro applications?

We don't test our antibodies for in vivo or in vitro applications unless otherwise indicated. Depending on the product, the TDS may describe literature supporting usage of a particular product for bioassay. It may be best to further consult the literature to find clone specific information.

Go To Top Version: 1    Revision Date: 01/10/2020

For research use only. Not for diagnostic use. Not for resale. BioLegend will not be held responsible for patent infringement or other violations that may occur with the use of our products.

 

*These products may be covered by one or more Limited Use Label Licenses (see the BioLegend Catalog or our website, www.biolegend.com/ordering#license). BioLegend products may not be transferred to third parties, resold, modified for resale, or used to manufacture commercial products, reverse engineer functionally similar materials, or to provide a service to third parties without written approval of BioLegend. By use of these products you accept the terms and conditions of all applicable Limited Use Label Licenses. Unless otherwise indicated, these products are for research use only and are not intended for human or animal diagnostic, therapeutic or commercial use.

 

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Toll-Free Phone: 1-877-Bio-Legend (246-5343) Phone: (858) 768-5800 Fax: (877) 455-9587

This data display is provided for general comparisons between formats.
Your actual data may vary due to variations in samples, target cells, instruments and their settings, staining conditions, and other factors.
If you need assistance with selecting the best format contact our expert technical support team.

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