Therapeutic Window Exists Because Amplified Signals (Not Baseline) Drive Pathogenesis (H3)
🧪 Overview
G2019S basal RAB10 phosphorylation elevation may be secondary; true pathogenic driver is amplified stress-response signaling. Partial LRRK2 inhibition sufficient to normalize stress-induced spikes while preserving necessary baseline functions. LRRK2 knockout mice viability supports non-essential baseline hypothesis. Age-dependent neurodegeneration in knock-in mice suggests stress-dependent pathology rather than chronic baseline elevation.
🧬 Mechanism
Curated pathway from expert analysis
flowchart TD
A["LRRK2 Mutation<br/>Gain of Function Kinase"]
B["Amplified Signaling<br/>Not Baseline Activity"]
C["Pathological Signaling<br/>Threshold Exceeded"]
D["Neuronal Vulnerability<br/>vs Resilience"]
E["Lysosomal Dysfunction<br/>Autophagy Impairment"]
F["Therapeutic Window<br/>Exists"]
G["Signal Reduction<br/>as Intervention Target"]
A --> B
B --> C
C --> D
D --> E
B --> F
F --> G
G --> E
style A fill:#1a237e,stroke:#4fc3f7,color:#4fc3f7
style E fill:#b71c1c,stroke:#ef9a9a,color:#ef9a9a
style F fill:#1b5e20,stroke:#a5d6a7,color:#a5d6a7⚖️ Evidence
No linked papers recorded for this hypothesis yet.
🏥 Translation
🧬 3D Protein Structure — LRRK2
🧠 GTEx v10 Brain ExpressionJSON
Median TPM across 13 brain regions for LRRK2 from GTEx v10.
💉 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 LRRK2.
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.
🔮 Predictions
| Prediction | Predicted | Observed | Status | Conf |
|---|---|---|---|---|
| IF partial LRRK2 kinase inhibition is sufficient to normalize amplified stress-induced signaling while preserving baseline functions, THEN low-dose MLi-2 treatment (10 mg/kg/day, achieving ~50% kinase | Low-dose MLi-2 (partial inhibition) and LRRK2 KO will produce statistically equivalent neuroprotection (p>0.05 between these groups) with normalized stress-indu | — no observation — | pending | 0.55 |
| IF G2019S LRRK2 pathogenicity is driven by amplified stress-response signaling (not baseline RAB10 phosphorylation elevation), THEN acute neuroinflammatory stress challenge using systemic LPS (5 mg/kg | G2019S KI mice will show significantly amplified RAB10 phosphorylation responses (p<0.01) and exacerbated neurodegeneration following repeated LPS stress, where | — no observation — | pending | 0.65 |
▸Metadatasource: v1_phase_c_backfill · origin_type: debate_synthesizer
| source | v1_phase_c_backfill |
| origin_type | debate_synthesizer |
| _schema_version | 1 |