TREM-1 Antibody (L5-B8)


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Product Details

Reactivity MuSpecies Glossary
Applications WB, Flow, Func, ICC/IF
0.1 mg/ml

Order Details

TREM-1 Antibody (L5-B8) Summary

Mouse TREM-1-human IgG-Fc fusion protein
Mouse TREM-1
Protein A or G purified
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  • Western Blot 1:50
  • Flow Cytometry 1:50
  • Functional
  • Immunocytochemistry/Immunofluorescence 1:50
Application Notes
For immunohistology, flow cytometry and Western blotting, dilutions to be used depend on detection system applied. It is recommended that users test the reagent and determine their own optimal dilutions. The typical starting working dilution is 1:50. For functional studies, in vitro dilutions have to be optimized in users experimental setting.

Packaging, Storage & Formulations

Store at 4C. Do not freeze.
0.2 um filtered solution in PBS and 0.1% BSA
No Preservative
0.1 mg/ml
Protein A or G purified

Alternate Names for TREM-1 Antibody (L5-B8)

  • CD354 antigen
  • CD354
  • TREM1
  • TREM-1
  • TREM-1Triggering receptor expressed on monocytes 1
  • triggering receptor expressed on myeloid cells 1
  • triggering-receptor TREM1


The monoclonal antibody L5-B8 recognizes human triggering receptor expressed on myeloid cells-1 (TREM-1). TREM-1 is a 30 kDa monomeric transmembrane activating receptor. TREM-1 is a member of the immunoglobulin superfamily. TREM-1 is expressed at low levels in the early development of the hematopoietic system in the promonoistic stage, and at high levels on the surface of immune cells, including neutrophils, monocytes and macrofages. TREM-1 is synthesized as a 234 amino acid (aa) precursor with a signal peptide (16 aa), an extracellular domain (184 aa), a transmembrane domain (29 aa), and a short cytoplasmic domain (5 aa). The short intracellular domain associates with a signal-transduction molecule, DNAX-activation protein 12 (DAP12), triggering the secretion of inflammatory cytokines that amplify the host response to microbial agents. TREM-1 acts in synergy with Toll-like receptor signaling pathways in amplifying the inflammatory response. Platelets express a natural ligand for TREM-1. The expression of TREM-1 is greatly upregulated on phagocytic cells in the presence of bacteria and fungi. TREM-1 has a role in sepsis, inflammatory bowel disease (IBD) and multiple sclerosis. In contrast, TREM-1 is not upregulated in samples from patients with non-inefctious inflammatory conditions. During infections, receptor expression is modulated and soluble TREM-1 (sTREM-1, 17 kDa) is released. TREM-1 is shed from the membrane of activated phagocytes and can be found as sTREM-1 in body fluids like plasma and bronchoalveolar lavage fluid (BAL). Elavated levels of sTREM-1 have a accuracy and sensitivity in detecting microbial infections as underlying disease. Furthermore, sTREM-1 has been associated with non-infectious inflammatory conditions like major abdominal surgery, peptic ulcer disease and COPD.


This product is for research use only and is not approved for use in humans or in clinical diagnosis. Primary Antibodies are guaranteed for 1 year from date of receipt.

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Product General Protocols

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Video Protocols

WB Video Protocol
ICC/IF Video Protocol

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Blogs on TREM-1.

Caspase 11: A novel non-canonical inflammasomes
Cell death via apoptosis is a key cellular function triggered by the cell death receptor family and their ligands. This regulated process then transmits downstream signals through adaptor molecules ending with the caspase cysteine proteases. Caspas...  Read full blog post.

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Gene Symbol TREM1