ICOS Antibody (669222) [Alexa Fluor® 700] Summary
NS0 mouse myeloma cell line transfected with human ICOS and mouse myeloma cell line NS0-derived recombinant human ICOS cocktail
Accession # Q9Y6W8
Detects human ICOS in direct ELISAs.
Test in a species/application not listed above to receive a full credit towards a future purchase.
- Flow Cytometry 0.25-1 ug/10^6 cells
Flow Cytometry: Please use 0.25-1 ug of conjugated antibody per 10e6 cells.
Packaging, Storage & Formulations
Store the unopened product at 2 - 8 °C. Do not use past expiration date.
Supplied 0.2 mg/mL in a saline solution containing BSA and Sodium Azide.
0.09% Sodium Azide
Please see the vial label for concentration. If unlisted please contact technical services.
This product is produced by and ships from R&D Systems, Inc., a Bio-Techne brand.
Alternate Names for ICOS Antibody (669222) [Alexa Fluor® 700]
- Activation-inducible lymphocyte immunomediatory molecule
- CD278 antigen
- inducible costimulator
- inducible T-cell costimulator
- inducible T-cell co-stimulator
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.
- 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.
This product is for research use only and is not approved for use in humans or in clinical diagnosis. Primary Antibodies are guaranteed
for 1 year from date of receipt.
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