TBK1 Insufficiency in Alzheimer Microglia Drives a Senescence-Like Inflammatory State That Accelerates Tau Pathology
🧪 Overview
In ALS, TBK1 loss-of-function traps microglia in a senescence-like, SASP-producing state that drives neurodegeneration. By analogy, partial TBK1 insufficiency in AD microglia may similarly lock cells into an aged, pro-inflammatory transcriptional program, shifting them from a protective amyloid-clearance phenotype toward a destructive,tau-propagating one. This predicts that microglial TBK1 activity inversely correlates with AD severity, and that restoring TBK1 signaling attenuates neuroinflammation and tau spreading.
Analogy rationale: Both ALS and AD feature microglial dysfunction as a central pathogenic driver, and aging is the dominant risk factor for both—making the senescence/SASP axis a plausible convergent mechanism.
Disanalogies: AD genetics implicate TREM2 and APOE rather than TBK1 directly, and the amyloid-driven cascade may precede microglial senescence rather than follow it, unlike the more neuron-intrinsic onset in ALS.
🧬 Mechanism
⚖️ Evidence
No linked papers recorded for this hypothesis yet.
🏥 Translation
🧬 3D Protein Structure — TBK1
No curated PDB or AlphaFold mapping for TBK1 yet. Search RCSB →
💉 Clinical Trials
No clinical trials data linked to this hypothesis yet.
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 TBK1 (or upstream regulator TREM2 as indirect proxy).
Run python3 scripts/backfill_hypothesis_depmap.py to populate.
🏆 Tournament
🏆 Arenas / Elo
📊 Market Indicators
💾 Resource Usage
No resource usage or linked notebooks recorded for this hypothesis yet.
▸Metadatasource: v1_phase_c_backfill · origin_type: cross_disease_analogy
| source | v1_phase_c_backfill |
| origin_type | cross_disease_analogy |
| _schema_version | 1 |