🧪
hypothesis

SIRT1 Activation Suppresses C9orf72-Mediated Neurodegeneration

Hypothesis

SIRT1 Activation Suppresses C9orf72-Mediated Neurodegeneration

SIRT1 activation promotes mitophagy via PINK1/Parkin, reduces oxidative stress, and decreases DPR levels in cellular models.
🧬 SIRT1🩺 neurodegeneration🎯 Composite 56%💱 $0.54▼6.0%proposed
EvidencePending (0%)📖 0 cit🗣 1 debates 3 support 3 oppose
✓ All Quality Gates Passed
Mechanistic 0.55 (15%) Evidence 0.58 (15%) Novelty 0.55 (12%) Feasibility 0.52 (12%) Impact 0.65 (12%) Druggability 0.58 (10%) Safety 0.50 (8%) Competition 0.62 (6%) Data Avail. 0.55 (5%) Reproducible 0.48 (5%) KG Connect 0.54 (8%) 0.560 composite
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arXiv PreprintNeurIPSNature MethodsPLOS ONE
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Composite56%

🧪 Overview

SIRT1 activation promotes mitophagy via PINK1/Parkin, reduces oxidative stress, and decreases DPR levels in cellular models. Marginally feasible given resveratrol's failure in AD trials, but warrants testing with selective activators in C9-specific models.

🧬 Mechanism

🔗 Mechanism from KG for SIRT1

Auto-built from this analysis's top knowledge-graph edges.

graph TD
    NRF2["NRF2"] -->|regulates| ARE_gene_transcription["ARE gene transcription"]
    NFE2L2["NFE2L2"] -->|regulates| ARE_gene_transcription_1["ARE gene transcription"]
    NRF2_activation["NRF2 activation"] -->|protective against| neurodegenerative_disease["neurodegenerative diseases"]
    NRF2_nuclear_localization["NRF2 nuclear localization"] -->|biomarker for| Alzheimer_s_disease["Alzheimer's disease"]
    NQO1["NQO1"] -->|regulates| redox_homeostasis["redox homeostasis"]
    HO_1["HO-1"] -->|regulates| redox_homeostasis_2["redox homeostasis"]
    TREM2["TREM2"] -->|regulates| microglial_metabolic_repr["microglial metabolic reprogramming"]
    TREM2_deficiency["TREM2 deficiency"] -->|causes| impaired_amyloid_plaque_e["impaired amyloid plaque enclosure"]
    TREM2_agonism["TREM2 agonism"] -->|protective against| amyloid_associated_neurot["amyloid-associated neurotoxicity"]
    neuronal_activity["neuronal activity"] -->|regulates| tau_propagation["tau propagation"]
    CDK5["CDK5"] -->|regulates| tau_packaging_into_exosom["tau packaging into exosomes"]
    NLRP3_inflammasome_activa["NLRP3 inflammasome activation"] -->|causes| IL_1__release["IL-1β release"]
    style NRF2 fill:#ce93d8,stroke:#333,color:#000
    style ARE_gene_transcription fill:#81c784,stroke:#333,color:#000
    style NFE2L2 fill:#ce93d8,stroke:#333,color:#000
    style ARE_gene_transcription_1 fill:#4fc3f7,stroke:#333,color:#000
    style NRF2_activation fill:#4fc3f7,stroke:#333,color:#000
    style neurodegenerative_disease fill:#ef5350,stroke:#333,color:#000
    style NRF2_nuclear_localization fill:#4fc3f7,stroke:#333,color:#000
    style Alzheimer_s_disease fill:#ef5350,stroke:#333,color:#000
    style NQO1 fill:#4fc3f7,stroke:#333,color:#000
    style redox_homeostasis fill:#4fc3f7,stroke:#333,color:#000
    style HO_1 fill:#4fc3f7,stroke:#333,color:#000
    style redox_homeostasis_2 fill:#4fc3f7,stroke:#333,color:#000
    style TREM2 fill:#4fc3f7,stroke:#333,color:#000
    style microglial_metabolic_repr fill:#4fc3f7,stroke:#333,color:#000
    style TREM2_deficiency fill:#4fc3f7,stroke:#333,color:#000
    style impaired_amyloid_plaque_e fill:#4fc3f7,stroke:#333,color:#000
    style TREM2_agonism fill:#4fc3f7,stroke:#333,color:#000
    style amyloid_associated_neurot fill:#4fc3f7,stroke:#333,color:#000
    style neuronal_activity fill:#4fc3f7,stroke:#333,color:#000
    style tau_propagation fill:#4fc3f7,stroke:#333,color:#000
    style CDK5 fill:#4fc3f7,stroke:#333,color:#000
    style tau_packaging_into_exosom fill:#4fc3f7,stroke:#333,color:#000
    style NLRP3_inflammasome_activa fill:#4fc3f7,stroke:#333,color:#000
    style IL_1__release fill:#4fc3f7,stroke:#333,color:#000

⚖️ Evidence

⚖️ Evidence Matrix3 supports3 contradicts
Supports
SIRT1 activator (SRT2104) extends survival in TDP-43 mice
PMID:26805578
Supports
SIRT1 overexpression reduces poly-GR toxicity in Drosophila
PMID:31278169
Supports
Resveratrol improves mitochondrial function in patient-derived motor neurons
PMID:29469839
Contradicts
Resveratrol showed no cognitive benefit in AD clinical trials
PMID:24445164
Contradicts
SRT2104 has poor oral bioavailability and poorly characterized pharmacokinetics
PMID:pharmacology_studies
Contradicts
Drosophila models of C9orf72 have limited translational value
PMID:model_validation
📖 Linked Papers

No linked papers recorded for this hypothesis yet.

🏥 Translation

🧬 3D Protein Structure — SIRT1

🧬 PDB 4KXQ Click to expand

Experimental structure from RCSB PDB | Powered by Mol*

💉 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.

🔍 Search ClinVar for SIRT1 →

No DepMap CRISPR Chronos data found for SIRT1.

Run python3 scripts/backfill_hypothesis_depmap.py to populate.

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📊 Market Indicators

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