Human NTB-A/SLAMF6 Antibody MAB19081: R&D Systems

Human NTB-A/SLAMF6 Antibody

Clone 292811 was used by HLDA to establish CD designation.
(4 citations)   
  • Species Reactivity
    Human
  • Specificity
    Detects human NTB‑A/SLAMF6 in direct ELISAs. In direct ELISAs, no cross-reactivity with recombinant human (rh) BLAME or rhCRACC is observed.
  • Source
    Monoclonal Mouse IgG2A Clone # 292811
  • Purification
    Protein A or G purified from hybridoma culture supernatant
  • Immunogen
    Mouse myeloma cell line NS0-derived recombinant human NTB‑A/SLAMF6
    Leu28-Lys225
    Accession # Q96DU3
  • Formulation
    Lyophilized from a 0.2 μm filtered solution in PBS with Trehalose. *Small pack size (SP) is supplied as a 0.2 µm filtered solution in PBS.
  • Label
    Unconjugated
Applications
  •  
    Recommended
    Concentration
    Sample
  • Flow Cytometry
    0.25 µg/106 cells
    See below
  • CyTOF-ready
    Ready to be labeled using established conjugation methods. No BSA or other carrier proteins that could interfere with conjugation.
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.
Data Examples
Detection of NTB‑A/SLAMF6 in Human Blood Lymphocytes by Flow Cytometry. Human peripheral blood lymphocytes were stained with Mouse Anti-Human NTB‑A/SLAMF6 Monoclonal Antibody (Catalog # MAB19081, filled histogram) or isotype control antibody (Catalog # MAB003, open histogram), followed by Allophycocyanin-conjugated Anti-Mouse IgG Secondary Antibody (Catalog # F0101B). View our protocol for Staining Membrane-associated Proteins.
Preparation and Storage
  • Reconstitution
    Reconstitute at 0.5 mg/mL in sterile PBS.
  • Shipping
    The product is shipped at ambient temperature. Upon receipt, store it immediately at the temperature recommended below. *Small pack size (SP) is shipped with polar packs. Upon receipt, store it immediately at -20 to -70 °C
  • 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: NTB-A/SLAMF6

NTB-A (NK-T-B-antigen), also known as Ly108 and SLAMF6, is a 60 kDa type I transmembrane glycoprotein that belongs to the SLAM subgroup of the CD2 family (1). Mature human NTB-A contains a 205 amino acid (aa) extracellular domain (ECD) with one Ig-like V-set and one Ig-like C2-set domain. It also contains a 21 aa transmembrane segment and an 84 aa cytoplasmic domain with two immunoreceptor tyrosine-based switch motifs (ITSMs) (2, 3). An alternately spliced isoform is truncated in the cytoplasmic domain and lacks the two ITSMs. Within the ECD, human NTB-A shares 48% aa sequence identity with mouse and rat NTB-A. The ECD of human NTB-A shares 19%‑34% aa sequence identity with comparable regions of human 2B4, BLAME, CD2F-10, CD84, CD229, CRACC, and SLAM. NTB-A is expressed on the surface of NK, T, and B lymphocytes as well as eosinophils (2, 4, 5). It interacts homophilically through weak associations between the Ig-V domains (2, 5‑7). NTB-A functions as an activating coreceptor on NK and T cells (2, 5, 6, 8). Tyrosine phosphorylation in the membrane proximal ITSM enables specific association with EAT-2, an interaction that is required for NTB-A mediated cytotoxicity of NK cells (9). Phosphorylation-dependent NTB-A association with SAP is required for full production of IFN-gamma by NK cells (5, 9). This interaction is independent of EAT-2 binding and appears to involve the membrane distal ITSM (5, 9). NTB-A deficient mice show weakened Th2 responses and elevated levels of neutrophil-derived inflammatory mediators (10). On B cells, NTB-A modulates immunoglobulin class switching and the balance between tolerance and autoimmunity (5, 11).

  • References:
    1. Veillette, A. (2006) Immunol. Rev. 214:22.
    2. Bottino, C. et al. (2001) J. Exp. Med. 194:235.
    3. Fraser, C.C. et al. (2002) Immunogenetics 53:843.
    4. Munitz, A. et al. (2005) J. Immunol. 174:110.
    5. Valdez, P.A. et al. (2004) J. Biol. Chem. 279:18662.
    6. Flaig, R.M. et al. (2004) J. Immunol. 172:6524.
    7. Cao, E. et al. (2006) Immunity 25:559.
    8. Stark, S. and C. Watzl (2006) Int. Immunol. 18:241.
    9. Eissmann, P. and C. Watzl (2006) J. Immunol. 177:3170.
    10. Howie, D. et al. (2005) J. Immunol. 174:5931.
    11. Kumar, K.R. et al. (2006) Science 312:1665.
  • Long Name:
    NK-T-B Antigen/SLAM Family Member 6
  • Entrez Gene IDs:
    114836 (Human)
  • Alternate Names:
    Activating NK receptor; CD352 antigen; CD352; KALIFLJ50657; Ly108; NK-T-B-antigen; NTBA receptor; NTBA; NTB-A; NTB-AMGC104953; NTBAT- and B-cell antigen; SF2000; SLAM family member 6; SLAMF6
Related Research Areas
Citations:

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.

4 Citations: Showing 1 - 4
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Species
Applications
Sample Type
  1. Analysis of HLDA9 mAbs on plasmacytoid dendritic cells.
    Authors: Cabezon R, Sintes J, Llinas L, Benitez-Ribas D
    Immunol. Lett., 2011;134(2):167-73.
    Species: Human
    Sample Type: Whole Cells
    Application: Flow
  2. New B-cell CD molecules.
    Authors: Matesanz-Isabel J, Sintes J, Llinas L, de Salort J, Lazaro A, Engel P
    Immunol. Lett., 2011;134(2):104-12.
    Species: Human
    Sample Type: Whole Cells
    Application: Flow
  3. Impaired Epstein-Barr virus-specific CD8+ T-cell function in X-linked lymphoproliferative disease is restricted to SLAM family-positive B-cell targets.
    Authors: Hislop AD, Palendira U, Leese AM
    Blood, 2010;116(17):3249-57.
    Species: Human
    Sample Type: Whole Cells
    Application: Flow
  4. Human T-cell leukemia virus type 1 (HTLV-1) p12I down-modulates ICAM-1 and -2 and reduces adherence of natural killer cells, thereby protecting HTLV-1-infected primary CD4+ T cells from autologous natural killer cell-mediated cytotoxicity despite the reduction of major histocompatibility complex class I molecules on infected cells.
    Authors: Banerjee P, Feuer G, Barker E
    J. Virol., 2007;81(18):9707-17.
    Species: Human
    Sample Type: Whole Cells
    Application: Flow
Isotype Controls
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Mouse IgG2A Isotype Control

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Mouse IgG2A Isotype Control

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Mouse IgG2A Isotype Control

Ctrl MAB003R
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Secondary Antibodies
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Donkey Anti-Mouse IgG Biotinylated Antibody

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Mouse IgG HRP-conjugated Antibody

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Mouse F(ab)2 IgG (H+L) APC-conjugated Antibody

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Donkey Anti-Mouse IgG NorthernLights™ NL637-conjugated Antibody

Flow, IHC, ICC NL008 8
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Donkey Anti-Mouse IgG NorthernLights™ NL493-conjugated Antibody

Flow, IHC, ICC NL009 5
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Mouse IgG Antibody

WB AF007 4
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Goat Anti-Mouse IgG Biotinylated Antibody

WB BAF007 4
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Mouse F(ab)2 IgG (H+L) Fluorescein-conjugated Antibody

Flow F0103B 5  
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Mouse/Rabbit IgG VisUCyte HRP Polymer Antibody

IHC VC002  
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Rat Anti-Mouse IgG2A PE-conjugated Antibody

Flow F0129 1  
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Mouse IgG VisUCyte HRP Polymer Antibody

IHC VC001  
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Mouse F(ab)2 IgG (H+L) PerCP-conjugated Antibody

Flow F0114  
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Goat Anti-Mouse IgG Fc Affinity Purified Polyclonal Ab

G-202-C 2
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Rat Anti-Mouse IgG2A APC-conjugated Antibody

Flow F0130  
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Rat Anti-Mouse IgG2A PerCP-conjugated Antibody

Flow F0131  
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Mouse IgG2A Antibody

Flow MAB0032  
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