Human ICOS Alexa Fluor® 405-conjugated Antibody
R&D Systems, part of Bio-Techne | Catalog # FAB69753V
Conjugate
Catalog #
Key Product Details
Species Reactivity
Human
Applications
Flow Cytometry
Label
Alexa Fluor 405 (Excitation = 405 nm, Emission = 421 nm)
Antibody Source
Monoclonal Mouse IgG3 Clone # 669214
Product Specifications
Immunogen
NS0 mouse myeloma cell line transfected with human ICOS and mouse myeloma cell line NS0-derived recombinant human ICOS cocktail
Glu21-Phe141
Accession # Q9Y6W8
Glu21-Phe141
Accession # Q9Y6W8
Specificity
Detects human ICOS in direct ELISAs.
Clonality
Monoclonal
Host
Mouse
Isotype
IgG3
Applications for Human ICOS Alexa Fluor® 405-conjugated Antibody
Application
Recommended Usage
Flow Cytometry
0.25-1 µg/106 cells
Sample: Human ICOS transfectants
Sample: Human ICOS transfectants
Formulation, Preparation, and Storage
Purification
Protein A or G purified from hybridoma culture supernatant
Formulation
Supplied 0.2 mg/mL in a saline solution containing BSA and Sodium Azide.
Shipping
The product is shipped with polar packs. Upon receipt, store it immediately at the temperature recommended below.
Stability & Storage
Store the unopened product at 2 - 8 °C. Do not use past expiration date.
Background: ICOS
Inducible costimulator (ICOS), also called AILIM (activiation-inducible lymphocyte immunomediatory molecule) and CRP-1 (CD28-related protein-1), is a member of the growing CD28 family of immune costimulatory receptors. Other family members are CD28, CTLA-4, and PD-1. Human ICOS is a homodimeric type I transmembrane protein consisting of 199 amino acids (aa) with a putative 20 aa signal sequence, a 121 aa extracellular domain, a 23 aa transmembrane region, and a 35 aa cytoplasmic domain. ICOS shares approximately 39% amino acid similarity with CD28 and CTLA-4. Human and mouse ICOS share approximately 72% amino acid identity. ICOS is expressed on most CD45RO+ cells. ICOS expression is up-regulated within approximately 24-48 hours of activation on Th primed cells. B7-H2, a member of the B7 family of costimulatory ligands, has been identified as the ICOS ligand. The B7-H2/ICOS interaction appears to play roles in T cell dependent B cell activation and Th differentiation.
References
- Aicher, A. et al. (2000) J. Immunol. 164:4689.
- Coyle, A.J. et al. (2000) Immunity 13:95.
- Coyle, A.J. and J.C. Gutierrez-Ramos (2001) Nat. Immunol. 2:203.
- Gonzalo, J.A. et al. (2001) J. Immunol. 166:1.
- Hutloff, A. et al. (1999) Nature 397:263.
- Mages, H.W. et al. (2000) Eur. J. Immunol. 30:1040.
- Yoshinaga, S.K. et al. (1999) Nature 402:827.
Long Name
Inducible Co-stimulator
Alternate Names
AILIM, CD278, CRP-1
Gene Symbol
ICOS
UniProt
Additional ICOS Products
Product Documents for Human ICOS Alexa Fluor® 405-conjugated Antibody
Product Specific Notices for Human ICOS Alexa Fluor® 405-conjugated Antibody
This product is provided under an agreement between Life Technologies Corporation and R&D Systems, Inc, and the manufacture, use, sale or import of this product is subject to one or more US patents and corresponding non-US equivalents, owned by Life Technologies Corporation and its affiliates. The purchase of this product conveys to the buyer the non-transferable right to use the purchased amount of the product and components of the product only in research conducted by the buyer (whether the buyer is an academic or for-profit entity). The sale of this product is expressly conditioned on the buyer not using the product or its components (1) in manufacturing; (2) to provide a service, information, or data to an unaffiliated third party for payment; (3) for therapeutic, diagnostic or prophylactic purposes; (4) to resell, sell, or otherwise transfer this product or its components to any third party, or for any other commercial purpose. Life Technologies Corporation will not assert a claim against the buyer of the infringement of the above patents based on the manufacture, use or sale of a commercial product developed in research by the buyer in which this product or its components was employed, provided that neither this product nor any of its components was used in the manufacture of such product. For information on purchasing a license to this product for purposes other than research, contact Life Technologies Corporation, Cell Analysis Business Unit, Business Development, 29851 Willow Creek Road, Eugene, OR 97402, Tel: (541) 465-8300. Fax: (541) 335-0354.
For research use only
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