Product: TREM2 Antibody
Catalog: DF12529
Description: Rabbit polyclonal antibody to TREM2
Application: WB IF/ICC
Reactivity: Human, Mouse
Mol.Wt.: 25 kDa, 29 kDa; 25kD(Calculated).
Uniprot: Q9NZC2
RRID: AB_2845491

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Product Info

Source:
Rabbit
Application:
WB 1:500-1:2000, IF/ICC 1:100-1:500
*The optimal dilutions should be determined by the end user.
*Tips:

WB: For western blot detection of denatured protein samples. IHC: For immunohistochemical detection of paraffin sections (IHC-p) or frozen sections (IHC-f) of tissue samples. IF/ICC: For immunofluorescence detection of cell samples. ELISA(peptide): For ELISA detection of antigenic peptide.

Reactivity:
Human,Mouse
Clonality:
Polyclonal
Specificity:
TREM2 Antibody detects endogenous levels of total TREM2.
RRID:
AB_2845491
Cite Format: Affinity Biosciences Cat# DF12529, RRID:AB_2845491.
Conjugate:
Unconjugated.
Purification:
The antiserum was purified by peptide affinity chromatography using SulfoLink™ Coupling Resin (Thermo Fisher Scientific).
Storage:
Rabbit IgG in phosphate buffered saline , pH 7.4, 150mM NaCl, 0.02% sodium azide and 50% glycerol. Store at -20 °C. Stable for 12 months from date of receipt.
Alias:

Fold/Unfold

TREM 2; TREM-2; TREM2; TREM2_HUMAN; TREM2a; TREM2b; TREM2c; Trggering receptor expressed on myeloid cells 2; Trggering receptor expressed on myeloid cells 2a; Triggering receptor expressed on monocytes 2; Triggering receptor expressed on myeloid cells 2;

Immunogens

Immunogen:
Uniprot:
Gene(ID):
Expression:
Q9NZC2 TREM2_HUMAN:

Expressed in the brain, specifically in microglia and in the fusiform gyrus (at protein level) (PubMed:28802038, PubMed:28855300, PubMed:27477018, PubMed:29752066). Expressed on macrophages and dendritic cells but not on granulocytes or monocytes (PubMed:10799849, PubMed:28855301). In the CNS strongest expression seen in the basal ganglia, corpus callosum, medulla oblongata and spinal cord (PubMed:12080485).

Sequence:
MEPLRLLILLFVTELSGAHNTTVFQGVAGQSLQVSCPYDSMKHWGRRKAWCRQLGEKGPCQRVVSTHNLWLLSFLRRWNGSTAITDDTLGGTLTITLRNLQPHDAGLYQCQSLHGSEADTLRKVLVEVLADPLDHRDAGDLWFPGESESFEDAHVEHSISRSLLEGEIPFPPTSILLLLACIFLIKILAASALWAAAWHGQKPGTHPPSELDCGHDPGYQLQTLPGLRDT

PTMs - Q9NZC2 As Substrate

Site PTM Type Enzyme
N79 N-Glycosylation
T88 Phosphorylation
T92 Phosphorylation

Research Backgrounds

Function:

Forms a receptor signaling complex with TYROBP which mediates signaling and cell activation following ligand binding. Acts as a receptor for amyloid-beta protein 42, a cleavage product of the amyloid-beta precursor protein APP, and mediates its uptake and degradation by microglia. Binding to amyloid-beta 42 mediates microglial activation, proliferation, migration, apoptosis and expression of pro-inflammatory cytokines, such as IL6R and CCL3, and the anti-inflammatory cytokine ARG1 (By similarity). Acts as a receptor for lipoprotein particles such as LDL, VLDL, and HDL and for apolipoproteins such as APOA1, APOA2, APOB, APOE, APOE2, APOE3, APOE4, and CLU and enhances their uptake in microglia. Binds phospholipids (preferably anionic lipids) such as phosphatidylserine, phosphatidylethanolamine, phosphatidylglycerol and sphingomyelin. Regulates microglial proliferation by acting as an upstream regulator of the Wnt/beta-catenin signaling cascade (By similarity). Required for microglial phagocytosis of apoptotic neurons. Also required for microglial activation and phagocytosis of myelin debris after neuronal injury and of neuronal synapses during synapse elimination in the developing brain (By similarity). Regulates microglial chemotaxis and process outgrowth, and also the microglial response to oxidative stress and lipopolysaccharide (By similarity). It suppresses PI3K and NF-kappa-B signaling in response to lipopolysaccharide; thus promoting phagocytosis, suppressing pro-inflammatory cytokine and nitric oxide production, inhibiting apoptosis and increasing expression of IL10 and TGFB (By similarity). During oxidative stress, it promotes anti-apoptotic NF-kappa-B signaling and ERK signaling (By similarity). Plays a role in microglial MTOR activation and metabolism (By similarity). Regulates age-related changes in microglial numbers. Triggers activation of the immune responses in macrophages and dendritic cells. Mediates cytokine-induced formation of multinucleated giant cells which are formed by the fusion of macrophages (By similarity). In dendritic cells, it mediates up-regulation of chemokine receptor CCR7 and dendritic cell maturation and survival. Involved in the positive regulation of osteoclast differentiation.

PTMs:

Undergoes ectodomain shedding through proteolytic cleavage by ADAM10 and ADAM17 to produce a transmembrane segment, the TREM2 C-terminal fragment (TREM2-CTF), which is subsequently cleaved by gamma-secretase.

Subcellular Location:

Cell membrane>Single-pass type I membrane protein.

Secreted.

Secreted.

Extracellular region or secreted Cytosol Plasma membrane Cytoskeleton Lysosome Endosome Peroxisome ER Golgi apparatus Nucleus Mitochondrion Manual annotation Automatic computational assertionSubcellular location
Tissue Specificity:

Expressed in the brain, specifically in microglia and in the fusiform gyrus (at protein level). Expressed on macrophages and dendritic cells but not on granulocytes or monocytes. In the CNS strongest expression seen in the basal ganglia, corpus callosum, medulla oblongata and spinal cord.

Subunit Structure:

Monomer. After ectodomain shedding, the extracellular domain oligomerizes, which is enhanced and stabilized by binding of phosphatidylserine. Interacts with TYROBP/DAP12. Interaction with TYROBP is required for stabilization of the TREM2 C-terminal fragment (TREM2-CTF) which is produced by proteolytic processing.

Research Fields

· Organismal Systems > Development > Osteoclast differentiation.   (View pathway)

References

1). Long-Term Administration of Triterpenoids From Ganoderma lucidum Mitigates Age-Associated Brain Physiological Decline via Regulating Sphingolipid Metabolism and Enhancing Autophagy in Mice. Frontiers in Aging Neuroscience, 2021 (PubMed: 34025387) [IF=4.8]

Application: WB    Species: mouse    Sample: brain

FIGURE 9 | Ameliorate effects of Ganodenic acid A by regulating sphingolipid metabolism in 3 × Tg-AD mice. (A) Experimental procedure in 3 × Tg-AD mice;(B) The AD biomarkers of p-Tau, Aβ, APOE, TREM2, CD33, the inflammatory cytokines of TNF-α and NF-κB p65 and the autophagy level of LC3A/B were measured in brain tissues

2). Tanshinone ΙΙA-Incubated Mesenchymal Stem Cells Inhibit Lipopolysaccharide-Induced Inflammation of N9 Cells through TREM2 Signaling Pathway. Stem Cells International, 2022 (PubMed: 35283996) [IF=4.3]

Application: WB    Species: Mice    Sample: MSC

Figure 2 RT-qPCR and Western blotting analyses of TREM2 siRNA transfection efficiency. (a) Relative expression levels of TREM2 mRNA. (b) Expression levels of TREM2 protein. aP < 0.05 vs. control, bP < 0.05 vs. siRNA-NC, mean ± SEM, n = 3.

Application: WB    Species: mouse    Sample:

Figure 2:| RT-qPCR and Western blotting analyses of TREM2 siRNA transfection efficiency. (a) Relative expression levels of TREM2 mRNA. (b) Expression levels of TREM2 protein.

3). Schistosoma japonicum cystatin suppresses osteoclastogenesis via manipulating the NF‑κB signaling pathway. Molecular Medicine Reports, 2021 (PubMed: 33576450) [IF=3.4]

Application: WB    Species:    Sample: RAW264.7 cells

Figure 4. |rSj‑Cys inhibits the expression of osteoclastogenesis‑related genes and proteins. RAW264.7 cells were co‑stimulated with M‑CSF (25 ng/ml) and RANKL (30 ng/ml) and then treated with or without rSj‑Cys (0.3 µM) for different time periods (24, 48 or 72 h). The expression levels of genes and proteins associated with osteoclast phenotype markers (CTSK, TRAP, ITGB3) and cell surface receptors of osteoclast precursors (RANK, OSCAR, TREM‑2)were determined by (A) reverse transcription‑quantitative PCR and (B) western blot analysis.

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