Key Product Details

Species Reactivity

Human

Applications

Immunohistochemistry

Label

Unconjugated

Antibody Source

Monoclonal Mouse IgG1 Clone # 1057114
View all TREM2 Primary Antibodies »

Product Specifications

Immunogen

NS0-derived recombinant human TREM-2 protein
His19-Ser174

Specificity

Detects Human Trem-2 in direct and capture ELISAs

Clonality

Monoclonal

Host

Mouse

Isotype

IgG1

Scientific Data Images for Human TREM2 Antibody

Detection of TREM2 in Human Brain Medulla (Locus Coeruleus).

TREM2 was detected in immersion fixed paraffin-embedded sections of Human Brain Medulla (Locus Coeruleus) using Mouse Anti-Human TREM2 Monoclonal Antibody (Catalog # MAB18282) at 5 µg/mL for 1 hour at room temperature followed by incubation with the Anti-Mouse IgG VisUCyte™ HRP Polymer Antibody (Catalog # VC001). Before incubation with the primary antibody, tissue was subjected to heat-induced epitope retrieval using VisUCyte Antigen Retrieval Reagent-Basic (Catalog # VCTS021). Tissue was stained using DAB (brown) and counterstained with hematoxylin (blue). Specific staining was localized to cytoplasm in neurons. View our protocol for IHC Staining with VisUCyte HRP Polymer Detection Reagents.

Applications for Human TREM2 Antibody

Application
Recommended Usage

Immunohistochemistry

5-25 µg/mL
Sample: Immersion fixed paraffin-embedded sections of Human Brain Medulla (Locus Coeruleus)

Formulation, Preparation, and Storage

Purification

Protein A or G purified from hybridoma culture supernatant

Reconstitution

Reconstitute at 0.5 mg/mL in sterile PBS. For liquid material, refer to CoA for concentration.

Formulation

Lyophilized from a 0.2 μm filtered solution in PBS with Trehalose. *Small pack size (SP) is supplied either lyophilized or as a 0.2 µm filtered solution in PBS.

Shipping

Lyophilized product is shipped at ambient temperature. Liquid small pack size (-SP) is shipped with polar packs. Upon receipt, store 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.

Calculators

The reconstitution calculator allows you to quickly calculate the volume of a reagent to reconstitute your vial. Simply enter the mass of reagent and the target concentration and the calculator will determine the rest.

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Background: TREM2

TREM-2 (Triggering Receptor Expressed on Myeloid cells-2) is a 35 kDa type I transmembrane member of the TREM family and Ig superfamily (1). Mature human TREM-2  consists of a 156 amino acid (aa) extracellular domain (ECD) with one V-type Ig-like domain, a 21 aa transmembrane (TM) domain, and a 35 aa cytoplasmic tail (2). Within the ECD, human TREM-2 shares 73% and 74% aa sequence identity with mouse and rat TREM-2, respectively. Soluble forms of the TREM-2 ECD are generated by alternative splicing or proteolytic cleavage, and the cytoplasmic domain can be liberated by gamma-Secretase mediated intramembrane cleavage (3). A positively charged lysine within the transmembrane segment allows association with the signal adapter protein, DAP12 and inhibition of macrophage activation (4, 5). TREM-2 is expressed on macrophages, immature myeloid dendritic cells, osteoclasts, microglia, and adipocytes (5-9). It promotes the differentiation and function of osteoclasts, the production of inflammatory cytokines by adipocytes, insulin resistance, and the phagocytic clearance of bacteria (9-11). In the CNS, TREM-2 binds to ApoE, ApoA1, and ApoB and mediates the clearance of apoptotic neurons, amyloid plaques, and cell debris following demyelination (6-8, 12). TREM-2 also interacts with and modifies signaling through Plexin A1 on dendritic cells and osteoclasts (13). Mutations in TREM-2 or DAP12 are associated with the development of Alzheimer's disease and Nasu-Hakola disease (NHD/PLOSL) which is characterized by presenile dementia and bone cysts (14, 15). Soluble TREM-2 is elevated in cerebrospinal fluid of patients with active multiple sclerosis (MS), and TREM-2 blockade exacerbates disease symptoms in the experimental EAE model of MS (16, 17).

References

  1. Painter, M.M. et al. (2015) Mol. Neurodegener. 10:43.
  2. Bouchon, A. et al. (2000) J. Immunol. 164:4991.
  3. Wunderlich, P. et al. (2013) J. Biol. Chem. 288:33027.
  4. Hamerman, J.A. et al. (2006) J. Immunol. 177:2051.
  5. Turnbull, I.R. et al. (2006) J. Immunol. 177:3520.
  6. Akahashi, K. et al. (2005) J. Exp. Med. 201:647.
  7. Atagi, Y. et al. (2015) J. Biol. Chem. 290:26043.
  8. Wang, Y. et al. (2016) J. Exp. Med. 213:667.
  9. Cella, M. et al. (2003) J. Exp. Med. 198:645.
  10. Park, M. et al. (2015) Diabetes 64:117.
  11. N'Diaye, E-N. et al. (2009) J. Cell Biol. 184:215.
  12. Poliani, P.L. et al. (2015) J. Clin. Invest. 125:2161.
  13. Akegahara, N. et al. (2006) Nat. Cell Biol. 8:615.
  14. Colonna, M. and Y. Wang (2016) Nat. Rev. Neurosci. 17:201.
  15. Paloneva, J. et al. (2002) Am. J. Hum. Genet. 71:656.
  16. Piccio, L. et al. (2008) Brain 131:3081.
  17. Piccio, L. et al. (2007) Eur. J. Immunol. 37:1290.

Long Name

Triggering Receptor Expressed on Myeloid Cells 2

Alternate Names

PLOSL2, TREM-2

Entrez Gene IDs

54209 (Human); 102133279 (Cynomolgus Monkey)

Gene Symbol

TREM2

Additional TREM2 Products

Product Documents for Human TREM2 Antibody

Certificate of Analysis

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Product Specific Notices for Human TREM2 Antibody

For research use only

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Protocols

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