hh Human TREM-1 Antibody AF1278: R&D Systems

Human TREM-1 Antibody

(1 citations)   
  • Species Reactivity
    Human
  • Specificity
    Detects human TREM-1 in ELISAs and Western blots. In ELISAs, less than 0.2% cross-reactivity with recombinant mouse (rm) TREM‑1 and rmTREM‑2b is observed.
  • Source
    Polyclonal Goat IgG
  • Purification
    Antigen Affinity-purified
  • Immunogen
    S. frugiperda insect ovarian cell line Sf 21-derived recombinant human TREM-1
    Met1-Arg200
    Accession # Q9NP99
  • 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.
  • Endotoxin Level
    <0.10 EU per 1 μg of the antibody by the LAL method.
  • Label
    Unconjugated
Applications
  •  
    Recommended
    Concentration
    Sample
  • Western Blot
    1 µg/mL
    See below
  • Flow Cytometry
    2.5 µg/106 cells
    Human whole blood monocytes and neutrophils
  • Agonist Activity
    Measured by its ability to stimulate TNF-alpha secretion by human peripheral blood mononuclear cells. Bouchon, A. et al. (2001) Nature 410:1103 and Bouchon, A. et al. (2000) J. Immunology 164:4991.
    The ED50 for this effect is typically 2 - 6 μg/mL.
  • CyTOF-ready
    Ready to be labeled using established conjugation methods. No BSA or other carrier proteins that could interfere with conjugation.
    • Human TREM-1 Sandwich Immunoassay
      Reagent
  • ELISA Capture (Matched Antibody Pair)
    0.2-0.8 µg/mL 
    Human TREM‑1 Antibody (Catalog # AF1278)
  • ELISA Detection (Matched Antibody Pair)
    0.1-0.4 µg/mL 
    Human TREM‑1 Biotinylated Antibody (Catalog # BAF1278)
  • ELISA Standard
     
    Recombinant Human TREM-1 Fc Chimera Protein, CF (Catalog # 1278-TR)
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 Human TREM‑1 by Western Blot. Western blot shows lysates of human granulocytes. PVDF membrane was probed with 1 µg/mL of Goat Anti-Human TREM‑1 Antigen Affinity-purified Polyclonal Antibody (Catalog # AF1278) followed by HRP-conjugated Anti-Goat IgG Secondary Antibody (Catalog # HAF109). A specific band was detected for TREM‑1 at approximately 40 kDa (as indicated). This experiment was conducted under reducing conditions and using Immunoblot Buffer Group 1.
Preparation and Storage
  • Reconstitution
    Reconstitute at 0.2 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: TREM-1

TREM-1 (Triggering Receptor Expressed on Myeloid cells) is a type I transmembrane protein having a single Ig-like domain. It associates with the adapter protein, DAP12, to deliver an activating signal. Several other TREM family members have been reported that are structurally similar but share less than 30% amino acid identity. TREM-1 is expressed on blood neutrophils and a subset of monocytes, and expression is up-regulated by bacterial LPS. The natural ligand for TREM-1 has not been identified. However, engagement of TREM-1 with an agonist monoclonal antibody leads to expression of IL-8, MCP-1, and TNF-alpha, suggesting that this receptor plays an important role in inflammatory responses. TREM-1 is expressed at high levels on neutrophils of patients with microbial sepsis and in mice with
LPS-induced shock. Blockade of TREM-1 with a TREM-1/Fc fusion protein protected mice against LPS-induced shock. Human and mouse TREM-1 share approximately 42% amino acid sequence homology (1-3).

  • References:
    1. Bouchon, A. (2000) J. Immunol. 164:4991.
    2. Bouchon, A. (2001) Nature 410:1103.
    3. Nathan, C. and A. Ding (2001) Nature Med. 7:530.
  • Long Name:
    Triggering Receptor Expressed on Myeloid Cells 1
  • Entrez Gene IDs:
    54210 (Human); 58217 (Mouse)
  • Alternate Names:
    CD354 antigen; CD354; TREM1; TREM-1; TREM-1Triggering receptor expressed on monocytes 1; triggering receptor expressed on myeloid cells 1; triggering-receptor TREM1
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.

1 Citations: Showing 1 - 1

  1. Metalloproteinases shed TREM-1 ectodomain from lipopolysaccharide-stimulated human monocytes.
    Authors: Gomez-Pina V, Soares-Schanoski A, Rodriguez-Rojas A, Del Fresno C, Garcia F, Vallejo-Cremades MT, Fernandez-Ruiz I, Arnalich F, Fuentes-Prior P, Lopez-Collazo E
    J. Immunol., 2007;179(6):4065-73.
    Species: Human
    Sample Type: Cell Lysates
    Application: WB
Isotype Controls
Description Application Cat# Citations Images  

Normal Goat IgG Control

Ctrl AB-108-C 191  
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Secondary Antibodies
Description Application Cat# Citations Images  

Goat IgG HRP-conjugated Antibody

WB, Simple Western HAF109 19  
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Goat IgG HRP-conjugated Antibody

WB HAF017 15  
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Goat IgG (H+L) PE-conjugated Antibody

Flow F0107 4  
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Donkey Anti-Goat IgG NorthernLights™ NL557-conjugated Antibody

Flow, IHC, ICC NL001 9
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Donkey Anti-Goat IgG NorthernLights™ NL493-conjugated Antibody

Flow, IHC, ICC NL003 5
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Goat IgG (H+L) APC-conjugated Antibody

Flow F0108 6  
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Goat IgG Horseradish Peroxidase-conjugated Antibody

WB HAF019 6  
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Donkey Anti-Goat IgG Antibody

WB AF109 6
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Donkey Anti-Goat IgG Biotinylated Antibody

WB BAF109 3
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Goat IgG VisUCyte HRP Polymer

IHC VC004  
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Goat IgG (H+L) Fluorescein-conjugated Antibody

Flow F0109 2  
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Donkey Anti-Goat IgG NorthernLights™ NL637-conjugated Antibody

Flow, IHC, ICC NL002
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Rabbit Anti-Goat IgG Biotinylated Antibody

WB BAF017
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Chicken Anti-Goat IgG Biotinylated Antibody

WB BAF019
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Rabbit Anti-Goat IgG (H+L) Affinity Purified PAb, X Absorbed

WB, ELISA R-401-C-ABS
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Donkey Anti-Goat IgG (H+L) PerCP-conjugated Antibody

Flow F0124
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