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Human LILRB2/CD85d/ILT4 Biotinylated Antibody

Catalog #: BAF2078
2 Citations Datasheet / COA / SDS
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BAF2078
Product Details
Citations (2)
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Summary Preparation and Storage Reconstitution Calculator Background Product Datasheets Related Research Areas

Human LILRB2/CD85d/ILT4 Biotinylated Antibody Summary

Species Reactivity
Human
Specificity
Detects human LILRB2/CD85d/ILT4 in Western blots. In Western blots, approximately 30% cross-reactivity with recombinant human (rh) ILT2 is observed and less than 5% cross-reactivity with rhILT5 is observed.
Source
Polyclonal Goat IgG
Purification
Antigen Affinity-purified
Immunogen
Mouse myeloma cell line NS0-derived recombinant human LILRB2/CD85d/ILT4
Gly24-His458
Accession # AAC51882
Formulation
Lyophilized from a 0.2 μm filtered solution in PBS with BSA as a carrier protein.
Label
Biotin

Applications

Recommended Concentration
Sample
Western Blot
0.1 µg/mL
Recombinant Human LILRB2/CD85d/ILT4 Fc Chimera (Catalog # 2078-T4)
Flow Cytometry
2.5 µg/106 cells
Human whole blood monocytes

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.

Reconstitution Calculator

Reconstitution Calculator

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Preparation and Storage

Reconstitution
Reconstitute at 0.2 mg/mL in sterile PBS.
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Shipping
The product is shipped at ambient temperature. Upon receipt, store it immediately at the temperature recommended below.
Stability & Storage
Use a manual defrost freezer and avoid repeated freeze-thaw cycles.
  • 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: LILRB2/CD85d/ILT4

The immunoglobulin-like transcript (ILT) comprise a family of activating and inhibitory type immunoreceptors whose genes are located in the same locus that encodes killer cell Ig-like receptors (KIR) (1‑3). ILT4, also known as LIR-2 and LILRB2, is a type I transmembrane protein expressed primarily on monocytes and dendritic cells (DC) (4). Human ILT4 is produced as a 598 amino acid (aa) precursor including a 21 aa signal sequence, a 440 aa extracellular domain (ECD), a 21 aa transmembrane segment, and a 116 aa cytoplasmic domain. The ECD contains four Ig-like domains, and the cytoplasmic domain contains three immunoreceptor tyrosine-based inhibitory motifs (ITIM) (5). The ECD of human ILT4 shares 76% aa identity with chimpanzee ILT4 and 74%, 81%, 33%, 52%, 77%, 61%, and 64% aa identity with human ILT1, 2, 3, 5, 6, 7, and 8, respectively. ILT4 binds to classical MHC I proteins as well as the non-classical HLA-G1 and HLA-F molecules (5‑9). It competes with CD8 alpha for MHC I binding but does not compete with KIR2DL1 (7). Ligation of ILT4 induces Tyr phosphorylation within its cytoplasmic ITIMs, a requirement for association with SHP-1 (4, 6). Activation of ILT4 inhibits signaling through Fc gamma RI (4) and Fc epsilon RI (6) and causes DC to become tolerogenic by down-regulation of
co-stimulatory molecules (10, 11). ILT4 mediates tolerogenic DC-induced CD4+ T cell energy in vitro and in vivo (10‑12).

References
  1. Suciu-Foca, N. et al. (2005) Int. Immunopharmacol. 5:7. 
  2. Hofmeister, V. and E.H. Weiss (2003) Semin. Canc. Biol. 13:317. 
  3. Hunt, J.S. et al. (2005) FASEB J. 19:681. 
  4. Finger, N.A. et al. (1998) Eur. J. Immunol. 28:3423. 
  5. Borges, L. et al. (1997) J. Immunol. 159:5192. 
  6. Colonna, M. et al. (1998) J. Immunol. 160:3096. 
  7. Shiroishi, M. et al. (2003) Proc. Natl. Acad. Sci. 100:8856.
  8. Lepin, E.J.M. et al. (2000) Eur. J. Immunol. 30:3552.
  9. Allen, R.L. et al. (2001) J. Immunol. 167:5543.
  10. Chang, C.C. et al. (2002) Nat. Immunol. 3:237.
  11. Ristich, V. et al. (2005) Eur. J. Immunol. 35:1133.
  12. Manavalan, J.S. et al. (2003) Transpl. Immunol. 11:245.
Long Name
Leukocyte Immunoglobulin-like Receptor, Subfamily B (with TM and ITIM Domains), Member 5
Entrez Gene IDs
10288 (Human)
Alternate Names
CD85 antigen-like family member D; CD85d antigen; CD85d; Ig-like transcript 4; ILT4; ILT-4; ILT4CD85d; Immunoglobulin-like transcript 4; Leukocyte immunoglobulin-like receptor 2; leukocyte immunoglobulin-like receptor subfamily B member 2 soluble isoform; leukocyte immunoglobulin-like receptor subfamily B member 2; leukocyte immunoglobulin-like receptor, subfamily B (with TM and ITIM domains); LILRB2; LIR2; LIR2CD85D; LIR-2subfamily A (with TM domain), member 6; member 2; MIR10; MIR10LILRA6; Monocyte/macrophage immunoglobulin-like receptor 10

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Citations for Human LILRB2/CD85d/ILT4 Biotinylated 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.

2 Citations: Showing 1 - 2
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  1. Heat shock protein 27 differentiates tolerogenic macrophages that may support human breast cancer progression.
    Authors: Banerjee S, Lin CF, Skinner KA, Schiffhauer LM, Peacock J, Hicks DG, Redmond EM, Morrow D, Huston A, Shayne M, Langstein HN, Miller-Graziano CL, Strickland J, O'Donoghue L, De AK
    Cancer Res., 2011-01-11;71(2):318-27.
    Species: Human
    Sample Types: Whole Cells
    Applications: Flow Cytometry
  2. Cytokine induced expression of programmed death ligands in human neutrophils.
    Authors: Bankey PE, Banerjee S, Zucchiatti A, De M, Sleem RW, Lin CF, Miller-Graziano CL, De AK
    Immunol. Lett., 2010-02-01;129(2):100-7.
    Species: Human
    Sample Types: Whole Cells
    Applications: Flow Cytometry

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