From Analysis:
Investigate shared DNA methylation age acceleration and histone modification patterns (H3K27me3, H3K4me3, H3K9me3, acetylation) across Alzheimer disease, Parkinson disease, and ALS. Identify common epigenetic signatures that distinguish these neurodegenerative diseases from normal aging.
This hypothesis proposes that N-formylmethionine (fMet) — the initiating amino acid in mitochondrial translation, uniquely distinguished by its N-formyl group from the methionine used in cytoplasmic and ER protein synthesis — serves as a direct signaling molecule mediating communication from mitochondria to the nuclear compartment, thereby influencing epigenetic programming relevant to neurodegeneration.
No AI visual card yet
Curated pathway diagram from expert analysis
flowchart TD
A["Mitochondrial Stress
Retrograde Signaling"]
B["Epigenetic Communication
Mito-to-Nucleus"]
C["Nuclear Gene Expression
Altered"]
D["Neuronal Adaptive
Response"]
E["Metabolic Reprogramming
Compensatory"]
F["Neuronal Resilience
Enhanced"]
G["Mito-Nuclear Epi Axis
as Therapeutic Target"]
A --> B
B --> C
C --> D
D --> E
E --> F
G -.->|"supports"| B
style A fill:#b71c1c,stroke:#ef9a9a,color:#ef9a9a
style F fill:#1b5e20,stroke:#a5d6a7,color:#a5d6a7
Description: The RE1-Silencing Transcription factor (REST) normally protects neurons by repressing pro-apoptotic and oxidative stress genes through recruitment of CoREST complexes containing HDAC1/2 and G9a. In neurodegenerative diseases, REST is paradoxically sequestered in the cytoplasm (in AD) or downregulated (in ALS), leading to derepression of target genes and histone hyperacetylation at neuronal promoters
After critical evaluation, the seven hypotheses range from moderately actionable (H6: Senolytic-epigenetic combination) to essentially undruggable (H7: N-formylmethionine pathway). The primary bottleneck across most targets is not identifying compounds, but achieving cell-type-specific CNS delivery and demonstrating target engagement in relevant tissues. Below I provide detailed drug development realities for each hypothesis.
No clinical trials data available
Freshness score = exp(-age×ln2/5): halves every 5 years. Green >0.6, Amber 0.3–0.6, Red <0.3.
No citation freshness data yet. Export bibliography — run scripts/audit_citation_freshness.py to populate.
Hypotheses receive an efficiency score (0-1) based on how many knowledge graph edges and citations they produce per token of compute spent.
High-efficiency hypotheses (score >= 0.8) get a price premium in the market, pulling their price toward $0.580.
Low-efficiency hypotheses (score < 0.6) receive a discount, pulling their price toward $0.420.
Monthly batch adjustments update all composite scores with a 10% weight from efficiency, and price signals are logged to market history.
Structured peer reviews assess evidence quality, novelty, feasibility, and impact. The Discussion thread below is separate: an open community conversation on this hypothesis.
No DepMap CRISPR Chronos data found for Mitochondrial-to-Nuclear Epigenetic Communication.
Run python3 scripts/backfill_hypothesis_depmap.py to populate.
No curated ClinVar variants loaded for this hypothesis.
Run scripts/backfill_clinvar_variants.py to fetch P/LP/VUS variants.
No governance decisions recorded for this hypothesis.
Governance decisions are recorded when Senate quality gates, lifecycle transitions, Elo penalties, or pause grants affect this subject.
Molecular pathway showing key causal relationships underlying this hypothesis
graph TD
Senescence_Associated_Epi["Senescence-Associated Epigenetic Phenotype"] -->|implicates in| neurodegeneration["neurodegeneration"]
REST["REST"] -->|implicates in| neurodegeneration_1["neurodegeneration"]
H3K9me3_Heterochromatin["H3K9me3 Heterochromatin"] -->|implicates in| neurodegeneration_2["neurodegeneration"]
Polycomb_to_Trithorax_Swi["Polycomb-to-Trithorax Switch at"] -->|implicates in| neurodegeneration_3["neurodegeneration"]
DNA_Methylation_Clock["DNA Methylation Clock"] -->|implicates in| neurodegeneration_4["neurodegeneration"]
style Senescence_Associated_Epi fill:#4fc3f7,stroke:#333,color:#000
style neurodegeneration fill:#ef5350,stroke:#333,color:#000
style REST fill:#ce93d8,stroke:#333,color:#000
style neurodegeneration_1 fill:#ef5350,stroke:#333,color:#000
style H3K9me3_Heterochromatin fill:#4fc3f7,stroke:#333,color:#000
style neurodegeneration_2 fill:#ef5350,stroke:#333,color:#000
style Polycomb_to_Trithorax_Swi fill:#4fc3f7,stroke:#333,color:#000
style neurodegeneration_3 fill:#ef5350,stroke:#333,color:#000
style DNA_Methylation_Clock fill:#4fc3f7,stroke:#333,color:#000
style neurodegeneration_4 fill:#ef5350,stroke:#333,color:#000
neurodegeneration | 2026-04-18 | completed
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