gene

TREM2

Entity Detail — Knowledge Graph Node

Understanding Entity Pages

This page aggregates everything SciDEX knows about TREM2: its mechanistic relationships (Knowledge Graph edges), hypotheses targeting it, analyses mentioning it, and supporting scientific papers. The interactive graph below shows its immediate neighbors. All content is AI-synthesized from peer-reviewed literature.

3592Connections
30Hypotheses
30Analyses
50Outgoing
50Incoming
20Experiments
20Debates

Summary

A gene referenced in 1 knowledge graph relationship. Key connections: encodes TREM2_protein (protein).

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AI portrait of TREM2

AI-generated illustration

Regenerate portrait ↻
🧬 Gene Info
Gene SymbolTREM2
Full NameTriggering Receptor Expressed on Myeloid Cells 2
AliasesTREM-2
Chromosome6p21.1
Protein TypeReceptor
Target ClassReceptor
FunctionLipid sensing; Debris clearance; Microglial activation
Mechanism of ActionAgonist antibodies that enhance TREM2 signaling to promote microglial function
Primary ExpressionMicroglia, Cerebral cortex, Hippocampus
DruggabilityLow (0.42)
Clinical StagePhase II
Molecular Weight35 kDa
Amino Acids231 aa
Exons5
PathwaysInnate immunity, Phagocytosis, DAP12-SYK signaling
UniProt IDQ9NZC2
NCBI Gene ID54209
Ensembl IDENSG00000095970
OMIM605086
GeneCardsTREM2
Human Protein AtlasTREM2
Associated Diseases1-bromopropane neurotoxicity, AD risk, aging, Als
Known Drugs/Compoundsaducanumab, AL002, Al002C, AL002C, amyloid deposits, anti-TREM2 antibodies
InteractionsA2M, AB, ABCA1, ABCA7, ABCG1, ABETA
SciDEX TargetView Target Profile (1 clinical trials)
SciDEX HypothesesTREM2-Dependent Astrocyte-Microglia Cross-talk in
TREM2-Mediated Astrocyte-Microglia Cross-Talk in N
H1: TREM2 Agonism to Redirect APOE4-Enhanced Micro (+82 more)
KG Connections3585 knowledge graph edges
DatabasesGeneCardsHPASTRING
🧬 3D Structure Comparison — TREM2 Experimental (PDB) vs Predicted (AlphaFold) — click to expand

📄 Experimental Structure

6YXY — X-ray / Cryo-EM

🔮 AI Predicted Structure

Q9NZC2 — AlphaFold

Left: Experimental structure from RCSB PDB | Right: AI-predicted structure from AlphaFold | Powered by Mol*

Wiki Pages (21)

Knowledge base pages for this entity

Canonical Page

microglial-synaptic-pruning-dysregulation

mechanism · 3254 words

TREM2 Microglial Signaling Pathway in Neurodegeneration

mechanism · 4613 words

TREM2→Microglial Dysfunction→Alzheimer's Disease Causal Chain

mechanism · 3665 words

TREM2 in Frontotemporal Dementia

mechanism · 3364 words

TREM2 Signaling in Neurodegeneration

mechanism · 3362 words

TREM2 in Parkinson's Disease — Cross-Disease Therapeutic Opportunity

mechanism · 3181 words

Pathway Diagram

graph TD
    TREM2["TREM2 Receptor"] -->|"Recognizes"| Ligands["Lipids, Apolipoproteins"]
    TREM2 -->|"Signals via"| DAP12["DAP12 Adapter"]
    DAP12 -->|"Activates"| SYK["SYK Kinase"]
    SYK -->|"Downstream"| PI3K["PI3K/AKT"]
    SYK -->|"Downstream"| MAPK["MAPK Pathway"]
    PI3K -->|"Promotes"| Survival["Cell Survival"]
    MAPK -->|"Induces"| Phagocytosis["Phagocytosis"]
    TREM2 -->|"Modulates"| Inflammation["Inflammatory Response"]
    TREM2 -.Loss-of-function.-> AD["Alzheimer's Risk"]

Outgoing (1922)

TargetRelationTypeStr
benchmark_ot_ad_answer_key:TREM2data_indataset_row0.00
ds-83b31ef18d49provides_data_fordataset1.00
ds-f50762b67605provides_data_fordataset1.00
Inflammationtherapeutic_targetdisease1.00
APOEactivatesprotein1.00

Incoming (1670)

SourceRelationTypeStr
entities-microglia-in-neurodegenerationassociated_withwiki0.00
entities-microglia-in-neurodegenerationinteracts_withwiki0.00
benchmark_ot_ad_answer_key:TREM2data_indataset_row0.00
ad_genetic_risk_loci:TREM2data_indataset_row0.00
h-immunity-c3bc272frelates_tohypothesis0.00

Targeting Hypotheses (30)

Hypotheses where this entity is a therapeutic target

HypothesisScoreDiseaseAnalysis
TREM2-Dependent Astrocyte-Microglia Cross-talk in Neurodegen 0.990 neurodegeneration TREM2 in Alzheimer's Disease: Mechanisms
CYP46A1 Gene Therapy for Age-Related TREM2-Mediated Microgli 0.937 neurodegeneration TREM2 in Alzheimer's Disease: Mechanisms
TREM2-ASM Crosstalk in Microglial Lysosomal Senescence 0.914 neurodegeneration Gene expression changes in aging mouse b
TREM2-Mediated Astrocyte-Microglia Cross-Talk in Neurodegene 0.907 neurodegeneration Gene expression changes in aging mouse b
H1: TREM2 Agonism to Redirect APOE4-Enhanced Microglia from 0.904 neurodegeneration TREM2 in Alzheimer's Disease: Mechanisms
SIRT1-Mediated Reversal of TREM2-Dependent Microglial Senesc 0.893 neurodegeneration Gene expression changes in aging mouse b
TREM2-Mediated Astrocyte-Microglia Crosstalk in Neurodegener 0.892 neurodegeneration Gene expression changes in aging mouse b
TREM2-APOE Axis Dissociation for Selective DAM Activation 0.886 neurodegeneration TREM2 agonism vs antagonism in DAM micro
TREM2 R47H Variant-Driven Metabolic Dysfunction as the Prima 0.862 neurodegeneration Variant Annotation and Prioritization of
Microglial Senescence Prevention via TREM2/SASP Axis 0.837 neurodegeneration View
TREM2-Deficient Microglia as Drivers of Amyloid Plaque Toxic 0.817 neurodegeneration Legacy Pre-Pipeline Hypothesis Import
TREM2-Mediated Microglial Dysfunction Disrupts Perivascular 0.812 neuroscience TREM2 in Alzheimer's Disease: Mechanisms
CSF1R-TREM2 Co-Agonism for Sustained Microglial Expansion 0.808 neurodegeneration TREM2 agonism vs antagonism in DAM micro
TREM2-mTOR Co-Agonism for Metabolic Reprogramming 0.803 neurodegeneration TREM2 agonism vs antagonism in DAM micro
CSF sTREM2 as Pharmacodynamic Biomarker for Therapeutic Wind 0.801 neuroimmunology TREM2 in Alzheimer's Disease: Mechanisms
TREM2 Deficiency Drives Microglial Senescence via Lipid Meta 0.800 neurodegeneration What molecular mechanisms drive microgli
Microglial TREM2-SYK Pathway Enhancement 0.798 neurodegeneration Cell type vulnerability in Alzheimers Di
Microglial-Mediated Tau Clearance Dysfunction via TREM2 Sign 0.792 neuroscience Circuit-level neural dynamics in neurode
TREM2-mediated microglial tau clearance enhancement 0.780 neurodegeneration Tau propagation mechanisms and therapeut
CX3CR1-TREM2 Integration for Synapse Pruning Normalization 0.776 neurodegeneration TREM2 agonism vs antagonism in DAM micro
Cell-Type Specific TREM2 Upregulation in DAM Microglia 0.761 Alzheimer's Disease SEA-AD Gene Expression Profiling — Allen
sTREM2 as Biomarker of Cystatin-C Therapeutic Efficacy 0.757 neurodegeneration View
Test: TREM2 enhances amyloid clearance 0.755 - Test Hypothesis Fixtures
Rare TREM2-TYROBP pathway variants complement standard PRS b 0.000 Late-onset Alzheimer's disease Polygenic Risk Score Analysis for Late-O
AD fine-mapping identifies causal variants in microglia-spec 0.000 Alzheimer's disease Statistical Fine-Mapping of AD GWAS Loci
Site-Specific TREM2 Fragment Analysis Within Multi-Analyte C 0.000 biomarkers What biomarkers can reliably detect micr
TREM2-Mediated Spatial Redistribution of Complement Regulato 0.000 synaptic biology What determines the selectivity of compl
Dynamic Plasma Exosome-Derived Multi-Analyte Panel Combining 0.000 biomarkers What biomarkers can reliably detect micr
TREM2-Mediated Microglial Regulation of Oligodendrocyte Prec 0.000 connectomics Human connectome alterations in Alzheime
Plasma TREM2 Ectodomain Glycosylation Pattern as Therapeutic 0.000 biomarkers What biomarkers can reliably detect micr

Mentioning Analyses (30)

Scientific analyses that reference this entity

TREM2 in Alzheimer's Disease: Mechanisms, Therapeutics, and Biomarkers

neurodegeneration | 2026-04-26 | 5 hypotheses Top: 0.990

What are the mechanisms by which microglial senescence contributes to ALS pathol

neurodegeneration | 2026-04-26 | 7 hypotheses Top: 0.776

Does the cancer-cystatin-C-TREM2 pathway protect against tau pathology and other

neurodegeneration | 2026-04-25 | 8 hypotheses Top: 0.640

Does Alectinib truly bind C1q directly with high affinity, or is this an experim

molecular biology | 2026-04-21 | 1 hypotheses Top: 0.582

Microglial subtypes in neurodegeneration — friend vs foe

neurodegeneration | 2026-04-17 | 7 hypotheses Top: 0.685

Experiments (20)

Experimental studies targeting or related to this entity

ExperimentTypeDiseaseScoreFeasibilityModelStatusEst. Cost
NAD depletion effects on monocyte/macrophage differentiation exploratory Inflammatory bowel disease 0.900 0.00 Primary mouse and human monocy proposed N/A
FK866 treatment in DSS-induced colitis mouse model validation Inflammatory bowel disease (co 0.900 0.00 DSS-induced colitis mice proposed N/A
FK866 in azoxymethane/DSS colitis-associated cancer model validation Colitis-associated cancer 0.850 0.00 AOM/DSS-treated mice proposed N/A
FK866 mechanism validation in Rag1-/- mice validation Inflammatory bowel disease 0.850 0.00 Rag1-/- mice with DSS-induced proposed N/A
TREM2 KO amyloid pathology study validation Alzheimers Disease 0.800 0.00 Mouse (5xFAD/TREM2-/-) completed N/A
TREM2 KO amyloid pathology study validation Alzheimers Disease 0.800 0.00 Mouse (5xFAD/TREM2-/-) completed N/A
TREM2 KO amyloid pathology study validation Alzheimers Disease 0.800 0.00 Mouse (5xFAD/TREM2-/-) completed N/A
TREM2 KO amyloid pathology study validation Alzheimers Disease 0.800 0.00 Mouse (5xFAD/TREM2-/-) completed N/A
TREM2 KO amyloid pathology study validation Alzheimers Disease 0.800 0.00 Mouse (5xFAD/TREM2-/-) completed N/A
TREM2 KO amyloid pathology study validation Alzheimers Disease 0.800 0.00 Mouse (5xFAD/TREM2-/-) in_progress N/A
TREM2 KO amyloid pathology study validation Alzheimers Disease 0.800 0.00 Mouse (5xFAD/TREM2-/-) completed N/A
TREM2 KO amyloid pathology study validation Alzheimers Disease 0.800 0.00 Mouse (5xFAD/TREM2-/-) completed N/A
TREM2 KO amyloid pathology study validation Alzheimers Disease 0.800 0.00 Mouse (5xFAD/TREM2-/-) completed N/A
TREM2 KO amyloid pathology study validation Alzheimers Disease 0.800 0.00 Mouse (5xFAD/TREM2-/-) completed N/A
TREM2 KO amyloid pathology study validation Alzheimers Disease 0.800 0.00 Mouse (5xFAD/TREM2-/-) completed N/A
TREM2 KO amyloid pathology study validation Alzheimers Disease 0.800 0.00 Mouse (5xFAD/TREM2-/-) completed N/A
TREM2 KO amyloid pathology study validation Alzheimers Disease 0.800 0.00 Mouse (5xFAD/TREM2-/-) completed N/A
TREM2 KO amyloid pathology study validation Alzheimers Disease 0.800 0.00 Mouse (5xFAD/TREM2-/-) completed N/A
TREM2 KO amyloid pathology study validation Alzheimers Disease 0.800 0.00 Mouse (5xFAD/TREM2-/-) completed N/A
TREM2 Agonist Antibody Rescue of Astrocyte-Microglia Signalling in 5xF in_vivo Alzheimer's disease 0.794 0.72 5xFAD transgenic mice (n=15/gr proposed $85,000

Related Papers (15)

Scientific publications cited in analyses involving this entity

Title & PMIDAuthorsJournalYearCitations
Human and mouse single-nucleus transcriptomics reveal TREM2-dependent and TREM2- [PMID:31932797] Zhou Y, Song WM, Andhey PS, Swain A, Lev Nat Med 2020 1
Enhancing TREM2 expression activates microglia and modestly mitigates tau pathol [PMID:40122810] ["Chen Kai", "Li Fuyao", "Zhang Shuwen", Journal of neuroinflammation 2025 0
The cholesterol 24-hydroxylase CYP46A1 promotes α-synuclein pathology in Parkins [PMID:39964974] Dai L, Wang J, Meng L, Zhang X, Xiao T, PLoS biology 2025 0
Microglia, Trem2, and Neurodegeneration. [PMID:38769824] Shi Q, Gutierrez RA, Bhat MA Neuroscientist 2025 0
Microglia, Trem2, and Neurodegeneration. [PMID:38769824] Shi Q, Gutierrez RA, Bhat MA The Neuroscientist : a review 2025 0
Enhancing TREM2 expression activates microglia and modestly mitigates tau pathol [PMID:40122810] ["Chen Kai", "Li Fuyao", "Zhang Shuwen", Journal of neuroinflammation 2025 0
The role of microglial TREM2 in development: A path toward neurodegeneration? [PMID:38837837] ["Matteoli Michela"] Glia 2024 0
TREM2 receptor protects against complement-mediated synaptic loss by binding to [PMID:37442133] Zhong L, Sheng X, Wang W, Li Y, Zhuo R, Immunity 2023 0
Oxidized phosphatidylcholines found in multiple sclerosis lesions mediate neurod [PMID:33603230] Dong Y, D'Mello C, Pinsky W, Lozinski BM Nature neuroscience 2021 0
CD38 in Neurodegeneration and Neuroinflammation. [PMID:32085567] Guerreiro S, Privat AL, Bressac L, Toulo Cells 2020 0
Neurodegeneration and Inflammation-An Interesting Interplay in Parkinson's Disea [PMID:33182554] Marogianni C, Sokratous M, Dardiotis E, International journal of molec 2020 0
Human and mouse single-nucleus transcriptomics reveal TREM2-dependent and TREM2- [PMID:31932797] Zhou Y, Song WM, Andhey PS, Swain A, Lev Nat Med 2020 0
CD38 in Neurodegeneration and Neuroinflammation. [PMID:32085567] Guerreiro S, Privat AL, Bressac L, Toulo Cells 2020 0
Neurodegeneration and Inflammation-An Interesting Interplay in Parkinson's Disea [PMID:33182554] Marogianni C, Sokratous M, Dardiotis E, International journal of molec 2020 0
Multiple Sclerosis Pathology. [PMID:29358320] Lassmann H Cold Spring Harbor perspective 2018 0

Debates (20)

Multi-agent debates referencing this entity

Investigate how microglial senescence drives ALS progression through inflammatio

closed · Rounds: 4 · Score: 0.50 · 2026-04-26

Hypothesis debate: PLCG2 Allosteric Modulation as a Precision Therapeutic for TR

closed · Rounds: 4 · Score: 0.50 · 2026-04-26

Hypothesis debate: PLCG2 Allosteric Modulation as a Precision Therapeutic for TR

closed · Rounds: 4 · Score: 0.50 · 2026-04-26

Hypothesis debate: Closed-loop optogenetic targeting PV interneurons to restore

closed · Rounds: 4 · Score: 0.50 · 2026-04-26

Hypothesis debate: Closed-loop transcranial focused ultrasound targeting EC-II S

closed · Rounds: 4 · Score: 0.50 · 2026-04-26

Hypothesis debate: TREM2-Dependent Microglial Senescence Transition

closed · Rounds: 4 · Score: 0.64 · 2026-04-26

Hypothesis debate: TREM2-Dependent Astrocyte-Microglia Cross-talk in Neurodegene

closed · Rounds: 4 · Score: 0.50 · 2026-04-26

Hypothesis debate: Closed-loop transcranial focused ultrasound with 40Hz gamma e

closed · Rounds: 4 · Score: 0.50 · 2026-04-26

What are the key mechanistic, therapeutic, and diagnostic dimensions of TREM2 in

closed · Rounds: 4 · Score: 0.92 · 2026-04-26

What are the mechanisms by which microglial senescence contributes to ALS pathol

closed · Rounds: 6 · Score: 0.75 · 2026-04-26

Related Research

Hypotheses and analyses mentioning TREM2 in their description or question text

SIRT1-Mediated Reversal of TREM2-Dependent Microglial Senescence

Score: 0.893 · neurodegeneration · 2026-04-12

## Mechanistic Overview SIRT1-Mediated Reversal of TREM2-Dependent Microglial Senescence starts from the claim that modu

TREM2-Mediated Astrocyte-Microglia Crosstalk in Neurodegeneration

Score: 0.892 · neurodegeneration · 2026-04-07

## Mechanistic Overview TREM2-Mediated Astrocyte-Microglia Crosstalk in Neurodegeneration starts from the claim that mod

TREM2-APOE Axis Dissociation for Selective DAM Activation

Score: 0.886 · neurodegeneration · 2026-04-16

## Mechanistic Overview TREM2-APOE Axis Dissociation for Selective DAM Activation starts from the claim that modulating

TREM2 R47H Variant-Driven Metabolic Dysfunction as the Primary Trigger for Faile

Score: 0.862 · neurodegeneration · 2026-04-16

## Mechanistic Overview TREM2 R47H Variant-Driven Metabolic Dysfunction as the Primary Trigger for Failed DAM Transition

Microglial Senescence Prevention via TREM2/SASP Axis

Score: 0.837 · neurodegeneration · 2026-04-17

## Mechanistic Overview Microglial Senescence Prevention via TREM2/SASP Axis starts from the claim that modulating not y

TREM2-Deficient Microglia as Drivers of Amyloid Plaque Toxicity in Alzheimer's D

Score: 0.817 · neurodegeneration · 2026-04-26

TREM2 loss-of-function variants impair microglial survival, clustering around amyloid plaques, and phagocytic clearance,

TREM2-Mediated Microglial Dysfunction Disrupts Perivascular Tau Clearance

Score: 0.812 · neuroscience · 2026-04-12

## Mechanistic Overview TREM2-Mediated Microglial Dysfunction Disrupts Perivascular Tau Clearance starts from the claim

CSF1R-TREM2 Co-Agonism for Sustained Microglial Expansion

Score: 0.808 · neurodegeneration · 2026-04-16

## Mechanistic Overview CSF1R-TREM2 Co-Agonism for Sustained Microglial Expansion starts from the claim that modulating

TREM2-mTOR Co-Agonism for Metabolic Reprogramming

Score: 0.803 · neurodegeneration · 2026-04-16

## Mechanistic Overview TREM2-mTOR Co-Agonism for Metabolic Reprogramming starts from the claim that modulating TREM2-mT

CSF sTREM2 as Pharmacodynamic Biomarker for Therapeutic Window Identification

Score: 0.801 · neuroimmunology · 2026-04-15

## Mechanistic Overview CSF sTREM2 as Pharmacodynamic Biomarker for Therapeutic Window Identification starts from the cl

TREM2 Deficiency Drives Microglial Senescence via Lipid Metabolism Dysregulation

Score: 0.800 · neurodegeneration · 2026-04-22

## Mechanistic Overview TREM2 Deficiency Drives Microglial Senescence via Lipid Metabolism Dysregulation starts from the

Microglial TREM2-SYK Pathway Enhancement

Score: 0.798 · neurodegeneration · 2026-04-13

## Mechanistic Overview Microglial TREM2-SYK Pathway Enhancement starts from the claim that modulating TREM2 within the

Microglial-Mediated Tau Clearance Dysfunction via TREM2 Signaling

Score: 0.792 · neuroscience · 2026-04-07

## Mechanistic Overview Microglial-Mediated Tau Clearance Dysfunction via TREM2 Signaling starts from the claim that mod

TREM2-mediated microglial tau clearance enhancement

Score: 0.780 · neurodegeneration · 2026-04-16

## Mechanistic Overview TREM2-mediated microglial tau clearance enhancement starts from the claim that modulating TREM2

CX3CR1-TREM2 Integration for Synapse Pruning Normalization

Score: 0.776 · neurodegeneration · 2026-04-16

## Mechanistic Overview CX3CR1-TREM2 Integration for Synapse Pruning Normalization starts from the claim that modulating