TREM2 agonism vs antagonism in DAM microglia

Analysis ID: SDA-2026-04-02-gap-001 | Domain: neurodegeneration | Status: archived | Created: 2026-04-02T03:05:11.582585

Top Hypotheses (7 total)

#1 TREM2-APOE4 Co-targeting — Simultaneous Correction of Lipid Sensing and Clearance Deficits

0.486

TREM2, APOE

## Core Hypothesis and Rationale The central hypothesis posits that the therapeutic failure of single-target TREM2 interventions in Alzheimer's disease (AD) may be mechanistically explained by the ep

#2 Stage-Selective TREM2 Agonism — Boosting DAM Phagocytosis in Early Amyloid Phase

0.458

TREM2

## Stage-Selective TREM2 Agonism — Boosting DAM Phagocytosis in Early Amyloid Phase ### Background and Biological Rationale TREM2 (Triggering Receptor Expressed on Myeloid Cells 2) is a surface rece

#3 Stage-Specific TREM2 Biomarker-Guided Switching — Agonist in Amyloid Phase, Antagonist in Tau Phase

0.456

TREM2, APOE, MAPT

## Core Hypothesis and Rationale This hypothesis proposes that the therapeutic polarity of TREM2 modulation in Alzheimer's disease must be dynamically inverted according to the dominant pathological

#4 TREM2 R47H Variant Correction — AAV-Mediated Rescue of Common Risk Allele

0.452

TREM2

## TREM2 R47H Variant Correction — AAV-Mediated Rescue of Common Risk Allele ### TREM2 R47H as the Preeminent AD Risk Variant The R47H variant of TREM2 (rs75932628) represents one of the strongest k

#5 Soluble TREM2 (sTREM2) as Therapeutic Mimic — Decoupling Phagocytosis from Inflammation

0.452

TREM2, ADAM10, ADAM17

## Soluble TREM2 (sTREM2) as Therapeutic Mimic — Decoupling Phagocytosis from Inflammation ### The Central Paradox of TREM2 Biology TREM2 signaling presents a fundamental therapeutic paradox: the re

#6 TREM2-DAP12 Signalosome Enhancement — Boosting PI3K-AKT-mTOR Axis for Microglial Metabolic Fitness

0.451

TREM2, TYROBP, SYK, PI3K

## Core Hypothesis and Rationale The central hypothesis posits that selective enhancement of the TREM2-DAP12 signalosome—specifically by augmenting downstream PI3K-AKT-mTOR axis signaling—will restor

#7 TREM2 Antagonism in Late-Stage Tauopathy — Reducing Neuroinflammatory Amplification

0.444

TREM2

## TREM2 Antagonism in Late-Stage Tauopathy — Reducing Neuroinflammatory Amplification ### Background: The Dual Role of TREM2 Across Disease Stages The hypothesis that TREM2 antagonism could be ther

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