Human LILRB1/CD85j/ILT2 Antibody Summary
Gly24-His458
Accession # Q8NHL6
Applications
Please Note: Optimal dilutions should be determined by each laboratory for each application. General Protocols are available in the Technical Information section on our website.
Scientific Data
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Cell Adhesion Mediated by LILRB1/CD85j/ILT2 and Neutralization by Human LILRB1/CD85j/ILT2 Antibody. Recombinant Human LILRB1/CD85j/ILT2 Fc Chimera (Catalog # 2017-T2), immobilized onto a microplate, supports the adhesion of the HSB2 human peripheral blood acute lymphoblastic leukemia cell line in a dose-dependent manner (orange line), as measured by acid phosphatase activity. Adhesion elicited by Recombinant Human LILRB1/CD85j/ILT2 Fc Chimera (10 µg/mL) is neutralized (green line) by increasing concentrations of Mouse Anti-Human LILRB1/CD85j/ILT2 Monoclonal Antibody (Catalog # MAB20172). The ND50 is typically 0.025-0.15 µg/mL.
Reconstitution Calculator
Preparation and Storage
- 12 months from date of receipt, -20 to -70 °C as supplied.
- 1 month, 2 to 8 °C under sterile conditions after reconstitution.
- 6 months, -20 to -70 °C under sterile conditions after reconstitution.
Background: LILRB1/CD85j/ILT2
The immunoglobulin-like transcript (ILT) family of activating and inhibitory type immunoreceptors are expressed on many leukocyte subsets and function in the regulation of immune responses (1‑3). This family was also named leukocyte Ig-like receptors (LIR) and monocyte/macrophage Ig-like receptors (MIR). ILTs share significant homology with killer cell Ig-like receptors (KIR). The ILT genes are located on human chromosome 19q13.4 in the leukocyte receptor complex, which also include the genes encoding KIRs (4). With the exception of ILT-6, which is a soluble molecule, all ILT family members are type I transmembrane proteins having two or four extracellular Ig-like domains (2, 3). One subset of the ILT receptors (referred to as subfamily B of the LIRs) has long cytoplasmic tails containing immunoreceptor tyrosine-based inhibitory motifs (ITIMs) that inhibit signaling events by recruiting SH2-containing protein tyrosine phosphatase-1. Another subset of the ILT receptors (referred to as subfamily A of the LIRs) contains activating receptors with short cytoplasmic regions that lack signal transduction motifs. These receptors contain a basic arginine residue within their transmembrane domains, which allows association with Fc R gamma, an immunoreceptor tyrosine-based activation motif (ITAM)-bearing signal adapter protein (1‑3). ILT2, also known as LIR1, MIR7, and CD85j, is expressed on most monocytes, dendritic cells, and mature B cells (1‑3). It is also expressed on small percentages of T cells and NK cells. ILT2 has four extracellular Ig-like domains and three cytoplasmic ITIMs. It functions as an inhibitory receptor that prevents cellular activation. ILT2 has been shown to bind classical (HLA-A and -B) and nonclassical (HLA-G1, -E and -F) MHC class I molecules (MHCI) (1‑3). ILT2 also binds with high affinity to an MHC class I homologue from human cytomegalovirus (3). Ligation of ILT2 by MHC class I may function to poise cellular activation thresholds and inhibit various leukocyte effector mechanisms that are regulated by MHC class I molecules on target cells.
- Allen, D. et al. (2000) Immunobiol. 202:34.
- Colonna, M. et al. (1999) J. Leukocyte Biol. 66:375.
- Borges, L. and D. Cosman (2000) Cytokine Growth Factor Rev. 11:209.
- Young, N. et al. (2001) Immunogenetics 53:270.
Product Datasheets
Citations for Human LILRB1/CD85j/ILT2 Antibody
R&D Systems personnel manually curate a database that contains references using R&D Systems products. The data collected includes not only links to publications in PubMed, but also provides information about sample types, species, and experimental conditions.
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Citations: Showing 1 - 7
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Selective expression of variant surface antigens enables Plasmodium falciparum to evade immune clearance in vivo
Authors: M Chew, W Ye, RI Omelianczy, CF Pasaje, R Hoo, Q Chen, JC Niles, J Chen, P Preiser
Oncogene, 2022-07-13;13(1):4067.
Species: Human
Sample Types: Whole Cells
Applications: Neutralization -
Reconstitution of immune cell populations in multiple sclerosis patients after autologous stem cell transplantation
Authors: FG Karnell, D Lin, S Motley, T Duhen, N Lim, DJ Campbell, LA Turka, HT Maecker, KM Harris
Clin. Exp. Immunol., 2017-06-07;0(0):.
Species: Human
Sample Types: Whole Cells
Applications: CyTof -
Barcoding of live human peripheral blood mononuclear cells for multiplexed mass cytometry.
Authors: Mei H, Leipold M, Schulz A, Chester C, Maecker H
J Immunol, 2015-01-21;194(4):2022-31.
Species: Human
Sample Types: Whole Cells
Applications: CyTof -
Inhibitory receptors are expressed by Trypanosoma cruzi-specific effector T cells and in hearts of subjects with chronic Chagas disease.
Authors: Arguello RJ, Albareda MC, Alvarez MG, Bertocchi G, Armenti AH, Vigliano C, Meckert PC, Tarleton RL, Laucella SA
PLoS ONE, 2012-05-04;7(5):e35966.
Species: Human
Sample Types: Whole Cells
Applications: Functional Assay -
Natural killer cell killing of acute myelogenous leukemia and acute lymphoblastic leukemia blasts by killer cell immunoglobulin-like receptor-negative natural killer cells after NKG2A and LIR-1 blockade.
Authors: Godal R, Bachanova V, Gleason M
Biol. Blood Marrow Transplant., 2010-02-06;16(5):612-21.
Species: Human
Sample Types: Whole Cells
Applications: Neutralization -
Expression and release of soluble HLA-E is an immunoregulatory feature of endothelial cell activation.
Authors: Coupel S, Moreau A, Hamidou M, Horejsi V, Soulillou JP, Charreau B
Blood, 2007-04-01;109(7):2806-14.
Species: Human
Sample Types: Whole Cells
Applications: Neutralization -
LIR‐1 educates expanded human NK cells and defines a unique antitumor NK cell subset with potent antibody‐dependent cellular cytotoxicity
Authors: Caroline Leijonhufvud, Robert Reger, Filip Segerberg, Jakob Theorell, Heinrich Schlums, Yenan T Bryceson et al.
Clinical & Translational Immunology
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