Human LILRA4/CD85g/ILT7 Alexa Fluor™ Plus 680‑conjugated Antibody

R&D Systems | Catalog # FAB62871AFP680

R&D Systems

Key Product Details

Species Reactivity

Human

Applications

Neutralization

Label

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

Antibody Source

Monoclonal Mouse IgG2A Clone # 656656
View all LILRA4/CD85g/ILT7 Primary Antibodies »

Product Specifications

Specificity

Detects human LILRA4/CD85g/ILT7 in ELISA. No cross-reactivity with human LILRA1, LILRA2, LILRA3, LILRA5, LILRA6, LILRB2 and LILRB3 with ELISA was observed.

Clonality

Monoclonal

Host

Mouse

Isotype

IgG2A

Applications for Human LILRA4/CD85g/ILT7 Alexa Fluor™ Plus 680‑conjugated Antibody

Application
Recommended Usage

Neutralization

Optimal dilution of this antibody should be experimentally determined.

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: LILRA4/CD85g/ILT7

LILRA4, also known as ILT7 and CD85g, is an approximately 60-70 kDa variably glycosylated transmembrane protein that regulates immune cell activation (1). Mature human LILRA4 consists of a 423 amino acid (aa) extracellular domain (ECD) with four immunoglobulin-like domains, a 21 aa transmembrane segment, and a 32 aa cytoplasmic domain (2). Alternative splicing generates an additional isoform that lacks the signal peptide and a portion of the first Ig-like domain. LILRA4 is expressed on plasmacytoid dendritic cells (pDC) but is down-regulated in response to TLR9 signaling (3-5). Antibody mediated crosslinking of LILRA4 on pDC inhibits the production of type I interferons following TLR7 or TLR9 stimulation (3, 4, 6). It also blocks the up-regulation of CCR7 but enhances the up-regulation of Integrin  beta 7 on TLR7/9-stimulated pDC (6). LILRA4 associates with the ITAM-containing adaptor protein Fc epsilon RI gamma (3, 4, 6), and this complex binds to cell surface BST2/Tetherin which is expressed on monocytes, plasmacytoid and myeloid dendritic cells, B cells, and activated CD4+ and CD8+ T cells (5, 8). This interaction inhibits the TLR-induced pDC production of type I interferons, IL-6, and TNF-alpha (8).

References

  1. Thomas, R. et al. (2010) Clin. Rev. Allergy Immunol. 38:159.
  2. Young, N.T. et al. (2001) Immunogenetics 53:270.
  3. Cho, M. et al. (2008) Int. Immunol. 20:155.
  4. Cao, W. et al. (2006) J. Exp. Med. 203:1399.
  5. Tavano, B. et al. (2013) J. Immunol. 190:2622.
  6. Tsukamoto, N. et al. (2009) Clin. Cancer Res. 15:5733.
  7. Tavano, B. and A. Boasso (2014) PLoS ONE 9:e89414.
  8. Cao, W. et al. (2009) J. Exp. Med. 206:1603.

Long Name

Leukocyte Immunoglobulin-like Receptor, Subfamily A (with TM domain), Member 4

Alternate Names

CD85g, ILT7

Entrez Gene IDs

23547 (Human)

Gene Symbol

LILRA4

UniProt

P59901 (Human)

Additional LILRA4/CD85g/ILT7 Products

Product Documents for Human LILRA4/CD85g/ILT7 Alexa Fluor™ Plus 680‑conjugated Antibody

Certificate of Analysis

To download a Certificate of Analysis, please enter a lot or batch number in the search box below.

Note: Certificate of Analysis not available for kit components.

Product Specific Notices for Human LILRA4/CD85g/ILT7 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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