Recombinant Human TREM-1 Fc Chimera Protein, CF Summary
(Ala21 - Arg200)
Accession # Q9NP99
(Pro100 - Lys330)
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CF stands for Carrier Free (CF). We typically add Bovine Serum Albumin (BSA) as a carrier protein to our recombinant proteins. Adding a carrier protein enhances protein stability, increases shelf-life, and allows the recombinant protein to be stored at a more dilute concentration. The carrier free version does not contain BSA.
In general, we advise purchasing the recombinant protein with BSA for use in cell or tissue culture, or as an ELISA standard. In contrast, the carrier free protein is recommended for applications, in which the presence of BSA could interfere.
|Formulation||Lyophilized from a 0.2 μm filtered solution in PBS.|
|Reconstitution||Reconstitute at 100 μg/mL in sterile PBS.|
|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.
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).
- Bouchon, A. (2000) J. Immunol. 164:4991.
- Bouchon, A. (2001) Nature 410:1103.
- Nathan, C. and A. Ding (2001) Nature Med. 7:530.
Citations for Recombinant Human TREM-1 Fc Chimera Protein, CF
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Molecular basis for the loss-of-function effects of the Alzheimer's disease-associated R47H variant of the immune receptor TREM2
Authors: A Sudom, S Talreja, J Danao, E Bragg, R Kegel, X Min, N Sharkov, E Marcora, S Thibault, J Bradley, S Wood, AC Lim, H Chen, S Wang, IN Foltz, S Sambashiva, Z Wang
J. Biol. Chem., 2018;0(0):.
TREM2 Is a Receptor for ?-Amyloid that Mediates Microglial Function
Authors: Y Zhao, X Wu, X Li, LL Jiang, X Gui, Y Liu, Y Sun, B Zhu, JC Piña-Cresp, M Zhang, N Zhang, X Chen, G Bu, Z An, TY Huang, H Xu
Soluble triggering receptor expressed on myeloid cell-1 is increased in patients with ventilator-associated pneumonia: a preliminary report.
Authors: Horonenko G, Hoyt JC, Robbins RA, Singarajah CU, Umar A, Pattengill J, Hayden JM
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