Human ICOS Alexa Fluor™ Plus 680‑conjugated Antibody

R&D Systems | Catalog # FAB69753AFP680

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Key Product Details

Species Reactivity

Human

Applications

Blockade of Receptor-ligand Interaction, Flow Cytometry

Label

Alexa Fluor Plus 680 (Excitation = 687 nm, Emission = 704 nm)

Antibody Source

Monoclonal Mouse IgG3 Clone # 669214
View all ICOS Primary Antibodies »

Product Specifications

Specificity

Detects human ICOS in direct ELISAs.

Clonality

Monoclonal

Host

Mouse

Isotype

IgG3

Applications for Human ICOS Alexa Fluor™ Plus 680‑conjugated Antibody

Application
Recommended Usage

Blockade of Receptor-ligand Interaction

Optimal dilution of this antibody should be experimentally determined.

Flow Cytometry

Optimal dilution of this antibody should be experimentally determined.

Spectra Viewer

Plan Your Experiments

Use our spectra viewer to interactively plan your experiments, assessing multiplexing options. View the excitation and emission spectra for our fluorescent dye range and other commonly used dyes.

Spectra Viewer
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Advanced Features

  • Spectra Viewer - Custom analysis of spectra from multiple fluorochromes
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Flow Cytometry

Formulation, Preparation, and Storage

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

Protect from light. Do not freeze. 12 months from date of receipt, 2 to 8 °C as supplied

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

  1. Aicher, A. et al. (2000) J. Immunol. 164:4689.
  2. Coyle, A.J. et al. (2000) Immunity 13:95.
  3. Coyle, A.J. and J.C. Gutierrez-Ramos (2001) Nat. Immunol. 2:203.
  4. Gonzalo, J.A. et al. (2001) J. Immunol. 166:1.
  5. Hutloff, A. et al. (1999) Nature 397:263.
  6. Mages, H.W. et al. (2000) Eur. J. Immunol. 30:1040.
  7. Yoshinaga, S.K. et al. (1999) Nature 402:827.

Long Name

Inducible Co-stimulator

Alternate Names

AILIM, CD278, CRP-1

Entrez Gene IDs

29851 (Human); 54167 (Mouse); 102116512 (Cynomolgus Monkey)

Gene Symbol

ICOS

UniProt

Q9Y6W8

Additional ICOS Products

Product Documents for Human ICOS Alexa Fluor™ Plus 680‑conjugated Antibody

Certificate of Analysis

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Note: Certificate of Analysis not available for kit components.

Product Specific Notices for Human ICOS Alexa Fluor™ Plus 680‑conjugated Antibody


This product is provided under an intellectual property license from Life Technologies Corporation. The transfer of this product is conditioned on the buyer using the purchased product solely in research conducted by the buyer, excluding contract research or any fee for service research, and the buyer must not (1) use this product or its components for (a) diagnostic, therapeutic or prophylactic purposes; (b) testing, analysis or screening services, or information in return for compensation on a per-test basis; or (c) manufacturing or quality assurance or quality control, and/or (2) sell or transfer this product or its components for resale, whether or not resold for use in research. For information on purchasing a license to this product for purposes other than as described above, contact Life Technologies Corporation, 5781 Van Allen Way, Carlsbad, CA 92008 USA or outlicensing@thermofisher.com.

For research use only

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