Combinatorial targeting of TREM2, APOE, and CLU network with metabolic reprogramming toward anti-inflammatory microglial phenotypes
Curated pathway from expert analysis
flowchart TD
A["Microglial Dysfunction<br/>AD Neuroinflammation"]
B["TREM2 Signaling Activation<br/>Lipid Phagocytosis Enhancement"]
C["APOE Modulation<br/>Cholesterol Efflux Optimization"]
D["CLU Clusterin Activity<br/>Amyloid Chaperone and Clearance"]
E["Combinatorial Network Targeting<br/>TREM2 plus APOE plus CLU"]
F["Metabolic Reprogramming<br/>Anti-Inflammatory Microglial Phenotype"]
G["Amyloid and Lipid Burden Cleared<br/>Neuroinflammation Resolved"]
H["Neuroprotective Microglial State<br/>AD Progression Slowed"]
A --> B
A --> C
A --> D
B --> E
C --> E
D --> E
E --> F
F --> G
G --> H
style E fill:#1a237e,stroke:#4fc3f7,color:#4fc3f7
style H fill:#1b5e20,stroke:#a5d6a7,color:#a5d6a7No linked papers recorded for this hypothesis yet.
No curated PDB or AlphaFold mapping for ['TREM2' yet. Search RCSB →
No curated ClinVar variants loaded for this hypothesis.
Run scripts/backfill_clinvar_variants.py to fetch P/LP/VUS variants.
No DepMap CRISPR Chronos data found for ['TREM2', 'APOE', 'CLU'].
Run python3 scripts/backfill_hypothesis_depmap.py to populate.
| Prediction | Predicted | Observed | Status | Conf |
|---|---|---|---|---|
| IF RNA-seq and metabolomics are performed on sorted CD11b+CD45+ microglia from post-mortem prefrontal cortex of AD cases with TREM2-R47H variants (n=30), APOE4/4 homozygotes (n=30), and CLU-rs11136000 | Microglial transcriptomic and metabolomic signatures in carriers of TREM2, APOE4, and CLU risk variants will show a pro-glycolytic, anti-oxidative metabolic pro | — no observation — | pending | 0.60 |
| IF 5xFAD mice receive combined TREM2 agonism (biweekly anti-TREM2 antibody, 2 mg/kg), APOE4-neutralization (CRISPRi-lentivirus in hippocampus), and CLU silencing (ASO, 50 μg/kg/week) plus NAD+ repleti | Triple-target + metabolic reprogramming will reduce amyloid plaque area by ≥40% (stereology), increase microglia branching complexity (Iba1 Sholl analysis), and | — no observation — | pending | 0.55 |