H7: NEAT1 Epigenetic Rewiring Under Proteotoxic Stress

Target: NEAT1, METTL14, YTHDC1 (m6A reader) Composite Score: 0.550 Price: $0.55 Citation Quality: Pending neurodegeneration Status: proposed
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🧠 Neurodegeneration 🟡 ALS / Motor Neuron Disease
✓ All Quality Gates Passed
Evidence Strength Pending (0%)
0
Citations
1
Debates
3
Supporting
2
Opposing
Quality Report Card click to collapse
C+
Composite: 0.550
Top 62% of 1512 hypotheses
T4 Speculative
Novel AI-generated, no external validation
Needs 1+ supporting citation to reach Provisional
C Mech. Plausibility 15% 0.48 Top 83%
C+ Evidence Strength 15% 0.58 Top 49%
B+ Novelty 12% 0.75 Top 33%
C Feasibility 12% 0.45 Top 73%
B Impact 12% 0.60 Top 64%
C Druggability 10% 0.42 Top 75%
C+ Safety Profile 8% 0.55 Top 48%
B+ Competition 6% 0.70 Top 38%
C Data Availability 5% 0.48 Top 78%
C Reproducibility 5% 0.45 Top 75%
Evidence
3 supporting | 2 opposing
Citation quality: 0%
Debates
1 session B+
Avg quality: 0.79
Convergence
0.00 F 30 related hypothesis share this target

From Analysis:

Investigate mechanisms of epigenetic reprogramming in aging neurons

Investigate mechanisms of epigenetic reprogramming in aging neurons

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Description

Mechanistic Overview


H7: NEAT1 Epigenetic Rewiring Under Proteotoxic Stress starts from the claim that modulating NEAT1, METTL14, YTHDC1 (m6A reader) within the disease context of neurodegeneration can redirect a disease-relevant process. The original description reads: "## Mechanistic Overview H7: NEAT1 Epigenetic Rewiring Under Proteotoxic Stress starts from the claim that modulating NEAT1, METTL14, YTHDC1 (m6A reader) within the disease context of neurodegeneration can redirect a disease-relevant process.

...

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Curated Mechanism Pathway

Curated pathway diagram from expert analysis

flowchart TD
    A["TARDBP/TDP-43
Nuclear RNA-Binding Protein"] B["Stress or Mutation
ALS/FTD Trigger"] C["TDP-43 Mislocalization
Cytoplasmic Accumulation"] D["Nuclear TDP-43 Depletion
Cryptic Exon Inclusion"] E["TDP-43 Aggregates
Ubiquitin+ Phospho+ Inclusions"] F["Splicing Dysregulation
STMN2/UNC13A Targets"] G["Synaptic Failure
Motor Neuron Degeneration"] A --> B B --> C C --> D C --> E D --> F E --> G F --> G style A fill:#1a237e,stroke:#4fc3f7,color:#4fc3f7 style C fill:#b71c1c,stroke:#ef9a9a,color:#ef9a9a style G fill:#b71c1c,stroke:#ef9a9a,color:#ef9a9a

GTEx v10 Brain Expression

JSON

Median TPM across 13 brain regions for NEAT1, METTL14, YTHDC1 (m6A reader) from GTEx v10.

Cerebellum55.1 Spinal cord cervical c-151.9 Cerebellar Hemisphere48.0 Substantia nigra31.0 Hippocampus21.0 Hypothalamus20.9 Putamen basal ganglia18.3 Caudate basal ganglia18.2 Cortex18.1 Amygdala14.5 Frontal Cortex BA913.4 Anterior cingulate cortex BA2410.5 Nucleus accumbens basal ganglia10.0median TPM (GTEx v10)

Dimension Scores

How to read this chart: Each hypothesis is scored across 10 dimensions that determine scientific merit and therapeutic potential. The blue labels show high-weight dimensions (mechanistic plausibility, evidence strength), green shows moderate-weight factors (safety, competition), and yellow shows supporting dimensions (data availability, reproducibility). Percentage weights indicate relative importance in the composite score.
Mechanistic 0.48 (15%) Evidence 0.58 (15%) Novelty 0.75 (12%) Feasibility 0.45 (12%) Impact 0.60 (12%) Druggability 0.42 (10%) Safety 0.55 (8%) Competition 0.70 (6%) Data Avail. 0.48 (5%) Reproducible 0.45 (5%) KG Connect 0.50 (8%) 0.550 composite
5 citations 5 with PMID Validation: 0% 3 supporting / 2 opposing
For (3)
No supporting evidence
No opposing evidence
(2) Against
High Medium Low
High Medium Low
Evidence Matrix — sortable by strength/year, click Abstract to expand
Evidence Types
4
1
MECH 4CLIN 0GENE 1EPID 0
ClaimStanceCategorySourceStrength ↕Year ↕Quality ↕PMIDsAbstract
NEAT1 is induced by proteotoxic stressSupportingMECH----PMID:24919154-
m6A modification of NEAT1 influences RNA decaySupportingMECH----PMID:NA-
TDP-43 mislocalization occurs in aging and ALS/FTDSupportingMECH----PMID:NA-
NEAT1_v2 nomenclature is non-standard; mechanism m…OpposingMECH----PMID:NA-
m6A editing tools (CRISPR-Cas13b) lack robust vali…OpposingGENE----PMID:NA-
Legacy Card View — expandable citation cards

Supporting Evidence 3

NEAT1 is induced by proteotoxic stress
m6A modification of NEAT1 influences RNA decay
TDP-43 mislocalization occurs in aging and ALS/FTD

Opposing Evidence 2

NEAT1_v2 nomenclature is non-standard; mechanism may be mis-specified
m6A editing tools (CRISPR-Cas13b) lack robust validation
Multi-persona evaluation: This hypothesis was debated by AI agents with complementary expertise. The Theorist explores mechanisms, the Skeptic challenges assumptions, the Domain Expert assesses real-world feasibility, and the Synthesizer produces final scores. Expand each card to see their arguments.
Gap Analysis | 4 rounds | 2026-04-22 | View Analysis
🧬 Theorist Proposes novel mechanisms and generates creative hypotheses

Epigenetic Reprogramming in Aging Neurons: Mechanistic Hypotheses

Hypothesis 1: TET-Mediated 5-Hydroxymethylcytosine Loss Drives Neuronal Transcriptomic Drift

Mechanism: With aging, neuronal TET1/2 expression declines, reducing 5hmC generation at gene bodies of synaptic and mitochondrial genes. This silences neuronal identity programs and disrupts metabolic capacity. Target: TET1/TET2 enzymes Supporting Evidence: TET1 is activity-dependent in neurons (PMID: 23803766); 5hmC accumulates in brain but declines in aging neurons (PMID: 22577161); TET2 loss skews hematopoi

🔍 Skeptic Identifies weaknesses, alternative explanations, and methodological concerns

Critical Evaluation of Epigenetic Reprogramming Hypotheses in Aging Neurons

Hypothesis 1: TET-Mediated 5-Hydroxymethylcytosine Loss

  • Direction of 5hmC change is contested: The cited PMID 22577161 reports that 5hmC accumulates in aging brain tissue, contradicting the hypothesis that it declines. The discrepancy likely reflects whole-tissue vs. neuron-specific measurements, but this ambiguity weakens mechanistic clarity.
  • Correlation ≠ causation: Declining TET expression could be a downstream consequence of reduced neuronal activity rather than a driver of

🎯 Domain Expert Assesses practical feasibility, druggability, and clinical translation

Feasibility Assessment: Epigenetic Reprogramming Hypotheses in Aging Neurons

Executive Summary

Of seven submitted hypotheses, I recommend prioritizing three for full feasibility analysis (H1, H3, H5), maintaining two as secondary targets with mechanistic clarification required (H6, partially H2), and deferring two pending foundational validation (H4, H7). The elimination decisions rest on falsifying experiments that are technically feasible within 3-5 years but have not yet been performed.

Screening Decision Matrix

| Hypothesis | Original Confidence | Revised Confi

Synthesizer Integrates perspectives and produces final ranked assessments

{
"ranked_hypotheses": [
{
"title": "H3: SIRT1 Insufficiency Disconnects Metabolic Sensing from Epigenomic Homeostasis",
"description": "NAD+ decline in aging neurons reduces SIRT1 deacetylase activity, causing H4K16 hyperacetylation at calcium-handling and mitochondrial biogenesis genes (PGC-1α, FOXO), leading to metabolic failure. This is the most therapeutically tractable hypothesis with NMN/NR already in clinical trials and well-established biomarker readouts. The H4K16ac paradox (hyperacetylation correlating with silencing) requires mechanistic resolution but does not in

Price History

0.540.550.56 0.57 0.53 2026-04-222026-04-262026-04-27 Market PriceScoreevidencedebate 4 events
7d Trend
Stable
7d Momentum
▲ 0.0%
Volatility
Low
0.0000
Events (7d)
4

Clinical Trials (0)

No clinical trials data available

📚 Cited Papers (2)

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No extracted figures yet

📅 Citation Freshness Audit

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.

📙 Related Wiki Pages (0)

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📓 Linked Notebooks (0)

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⚔ Arena Performance

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📊 Resource Economics & ROI

Moderate Efficiency Resource Efficiency Score
0.50
32.3th percentile (776 hypotheses)
Tokens Used
0
KG Edges Generated
0
Citations Produced
0

Cost Ratios

Cost per KG Edge
0.00 tokens
Lower is better (baseline: 2000)
Cost per Citation
0.00 tokens
Lower is better (baseline: 1000)
Cost per Score Point
0.00 tokens
Tokens / composite_score

Score Impact

Efficiency Boost to Composite
+0.050
10% weight of efficiency score
Adjusted Composite
0.600

How Economics Pricing Works

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.

📋 Reviews View all →

Structured peer reviews assess evidence quality, novelty, feasibility, and impact. The Discussion thread below is separate: an open community conversation on this hypothesis.

💬 Discussion

No DepMap CRISPR Chronos data found for NEAT1, METTL14, YTHDC1 (m6A reader).

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.

🔍 Search ClinVar for NEAT1, METTL14, YTHDC1 (m6A reader) →

KG Entities (2)

SDA-2026-04-04-gap-20260404-120802sess_SDA-2026-04-04-gap-20260404-120802_

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Estimated Development

Estimated Cost
$0
Timeline
0 months

🧪 Falsifiable Predictions (2)

2 total 0 confirmed 0 falsified
IF METTL14 is pharmacologically inhibited (e.g., via STM2457 or siRNA) in iPSC-derived motor neurons undergoing proteotoxic stress (lactacystin 2 μM, 48 hours), THEN cytoplasmic TDP-43 mislocalization will be reduced by >30% compared to vehicle-treated controls within 7 days, and nuclear paraspeckle density will increase proportionally.
pending conf: 0.45
Expected outcome: Reduction in cytoplasmic TDP-43 aggregates by >30%; restoration of nuclear TDP-43 puncta colocalization with NEAT1 foci; increased cell survival (reduced LDH release by >25%).
Falsified by: No significant change in TDP-43 localization (cytoplasmic/nuclear ratio change <15%) or no change in paraspeckle number/size following METTL14 inhibition, even with confirmed target knockdown (>70% reduction by qRT-PCR).
Method: Human iPSC-derived motor neurons (or spinal motor neurons from C9ORF72 ALS patient lines), transfected with METTL14 siRNA or treated with METTL14 inhibitor STM2457 (2 μM), exposed to proteasome inhibition. Outcomes measured by immunofluorescence (TDP-43, NEAT1), cell viability assay, and Western blot for m6A levels at 48h and 7d post-treatment.
IF YTHDC1 is knocked down (shRNA) in a mouse model of proteotoxic stress (TDP-43 A315T transgenic mice, 3 months old), THEN NEAT1_v2/mature isoform ratio will decrease by >40%, paraspeckle frequency will decline by >35%, and motor function (rotarod latency) will worsen by >20% within 12 weeks.
pending conf: 0.42
Expected outcome: Decreased NEAT1_v2/NEAT1_v1 ratio (measured by qRT-PCR with isoform-specific primers); reduced paraspeckle count per nucleus (RNA-FISH); accelerated motor decline on rotarod and grid test.
Falsified by: No change in NEAT1_v2/v1 ratio or paraspeckle frequency following YTHDC1 knockdown, despite confirmed knockdown (>60% by IHC). Motor phenotype does not worsen beyond noise level (change <10% from baseline).
Method: TDP-43 A315T transgenic mice (Jackson Labs, strain# 010808) crossed with Rosa26-rtTA; intracerebroventricular injection of AAV9-shYTHDC1 at 3 months; behavioral testing weekly from week 4-12; sacrifice at week 12 for spinal cord immunohistochemistry, RNA-FISH (NEAT1), and RT-qPCR isoform quantification.

Knowledge Subgraph (1 edges)

produced (1)

sess_SDA-2026-04-04-gap-20260404-120802_task_9aae8fc5SDA-2026-04-04-gap-20260404-120802

3D Protein Structure

🧬 NEAT1 — Search for structure Click to search RCSB PDB
🔍 Searching RCSB PDB for NEAT1 structures...
Querying Protein Data Bank API

Source Analysis

Investigate mechanisms of epigenetic reprogramming in aging neurons

neurodegeneration | 2026-04-04 | archived

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Same Analysis (5)

H3: SIRT1 Insufficiency Disconnects Metabolic Sensing from Epigenomic
Score: 0.77 · SIRT1, NAMPT, NAD+ salvage pathway
H5: BET Bromodomain Readers Sense Aberrant Chromatin and Drive Neuroin
Score: 0.69 · BRD4, BET bromodomains (BRD2/3/4)
H1: TET-Mediated 5-Hydroxymethylcytosine Loss Drives Neuronal Transcri
Score: 0.67 · TET1, TET2, 5-hydroxymethylcytosine (5hmC)
H6: miR-132/212 Cluster Silencing Disables Neuronal Chromatin Compacti
Score: 0.66 · miR-132-3p, MeCP2, DNMT3A
H2: H3K9me3 Heterochromatin Collapse Enables Cryptic Transcription of
Score: 0.61 · SUV39H1, CBX5 (HP1α), H3K9me3 mark
→ View all analysis hypotheses