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hypothesis

A-Tract Bulge Conserved Motifs Enable Selective Targeting of NEAT1 Subdomains

Hypothesis

A-Tract Bulge Conserved Motifs Enable Selective Targeting of NEAT1 Subdomains

A-Tract Bulge Conserved Motifs Enable Selective Targeting of NEAT1 Subdomains starts from the claim that modulating NEAT1 within the disease context of molecular biology can redirect a disease-relevant process.
🧬 NEAT1🩺 molecular-biology🎯 Composite 41%💱 $0.48▲16.6%proposed
molecular biology
EvidencePending (0%)📖 0 cit🗣 1 debates 3 support 3 oppose
✓ All Quality Gates Passed
Mechanistic 0.32 (15%) Evidence 0.35 (15%) Novelty 0.60 (12%) Feasibility 0.30 (12%) Impact 0.48 (12%) Druggability 0.45 (10%) Safety 0.42 (8%) Competition 0.58 (6%) Data Avail. 0.45 (5%) Reproducible 0.38 (5%) KG Connect 0.12 (8%) 0.413 composite
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🧪 Overview

Mechanistic Overview


A-Tract Bulge Conserved Motifs Enable Selective Targeting of NEAT1 Subdomains starts from the claim that modulating NEAT1 within the disease context of molecular biology can redirect a disease-relevant process. The original description reads: "## Mechanistic Overview A-Tract Bulge Conserved Motifs Enable Selective Targeting of NEAT1 Subdomains starts from the claim that modulating NEAT1 within the disease context of molecular biology can redirect a disease-relevant process. The original description reads: "## Mechanistic Overview A-Tract Bulge Conserved Motifs Enable Selective Targeting of NEAT1 Subdomains starts from the claim that NEAT1_2's conserved A-rich bulges (reported at nt 2500-3500) nucleate paraspeckle assembly via NONO-PSPC1 binding. ASOs targeting bulges without invading base-paired stems would selectively disrupt paraspeckle formation. However, NEAT1 conservation is poor (~40% human-mouse identity), and the specific bulge coordinates fall within a highly variable repeat region. Expert assessment concluded conservation claims are contradicted by primary literature.

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🧬 Mechanism

🧬 Curated Mechanism Pathway

Curated pathway from expert analysis

flowchart TD
    A["Proteotoxic Stress<br/>Stress Granule and Paraspeckle Induction"]
    B["NEAT1 lncRNA Transcription<br/>BRG1 and POL2 Recruitment"]
    C["Nuclear Paraspeckle Assembly<br/>MATR3 and SFPQ Scaffolding"]
    D["Inflammatory Gene Sequestration<br/>DBIRD Complex Tethering"]
    E["Sustained Interleukin Expression<br/>IL6 and IL8 Transcriptional Persistence"]
    F["NEAT1 Suppression<br/>Paraspeckle Dissolution and Inflammatory Resolution"]
    A --> B
    B --> C
    C --> D
    D --> E
    F -.->|"resolves"| E
    style A fill:#b71c1c,stroke:#ef9a9a,color:#ef9a9a
    style E fill:#b71c1c,stroke:#ef9a9a,color:#ef9a9a
    style F fill:#1b5e20,stroke:#81c784,color:#81c784

⚖️ Evidence

⚖️ Evidence Matrix3 supports3 contradicts
Supports
NEAT1_2 bulges conserved between human and mouse
PMID:27117414
Supports
Paraspeckle formation requires structured NEAT1 regions
PMID:31722219
Supports
ASO targeting of NEAT1 reduces breast cancer cell viability
PMID:31568890
Contradicts
NEAT1 is notoriously poorly conserved overall (avg ~40% identity)
PMID:27117414
Contradicts
A-bulge coordinates (nt 2500-3500) fall in highly variable region
PMID:27117414
Contradicts
Wang et al. (2019) used DNA oligonucleotides and crosslinking—may not reflect ASO accessibility
PMID:31722219
📖 Linked Papers

No linked papers recorded for this hypothesis yet.

🏥 Translation

🧬 3D Protein Structure — NEAT1

No curated PDB or AlphaFold mapping for NEAT1 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.

🔍 Search ClinVar for NEAT1 →

No DepMap CRISPR Chronos data found for NEAT1.

Run python3 scripts/backfill_hypothesis_depmap.py to populate.

💰 Estimated Development
Cost
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🏆 Tournament

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📊 Market Indicators

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7d Momentum
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Volatility
Low
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Events (7d)
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Price History
▲16.6%

💾 Resource Usage

LLM Tokens
12,828
$0.0385
Total Cost
$0.0385

🔮 Predictions

🔎 Predictions vs Observations2 predictions · 0 with recorded observations
PredictionPredictedObservedStatusConf
IF the A-tract bulge motifs in NEAT1_2 (nt 2500-3500) are functionally conserved across species, THEN mouse ASOs targeting orthologous bulge regions will phenocopy human paraspeckle disruption at compMouse NEAT1_2 bulge-targeted ASOs (at 20 nM) will reduce paraspeckle foci by ≥40% in mouse cells (NIH-3T3 or Neuro2a), with <20% change in total NEAT1_2 levels,— no observation —pending0.28
IF we design ASOs targeting predicted A-tract bulge motifs in NEAT1_2 (nt 2500-3500) in human cells, THEN we will observe selective disruption of paraspeckle formation without reducing total NEAT1_2 t≥50% reduction in paraspeckle foci number (NONO-PSPC1 co-localization) while NEAT1_2 RNA levels remain >80% of baseline, measured 48-72 hours post-ASO transfect— no observation —pending0.32
🔮 Falsifiable Predictions (2)
pendingconf 32%
IF we design ASOs targeting predicted A-tract bulge motifs in NEAT1_2 (nt 2500-3500) in human cells, THEN we will observe selective disruption of paraspeckle formation without reducing total NEAT1_2 transcript levels.
Predicted outcome: ≥50% reduction in paraspeckle foci number (NONO-PSPC1 co-localization) while NEAT1_2 RNA levels remain >80% of baseline, measured 48-72 hours post-ASO
Falsification: Paraspeckle disruption occurs only when NEAT1_2 is knocked down >80% (ruling out bulge-specific targeting), OR paraspeckle number is unaffected by bulge-targeted ASOs even at maximal target engagement
pendingconf 28%
IF the A-tract bulge motifs in NEAT1_2 (nt 2500-3500) are functionally conserved across species, THEN mouse ASOs targeting orthologous bulge regions will phenocopy human paraspeckle disruption at comparable ASO concentrations.
Predicted outcome: Mouse NEAT1_2 bulge-targeted ASOs (at 20 nM) will reduce paraspeckle foci by ≥40% in mouse cells (NIH-3T3 or Neuro2a), with <20% change in total NEAT1
Falsification: Mouse ASOs fail to alter paraspeckle number at any dose tested (up to 100 nM), despite confirmed target engagement; OR functional effects require conservation below the 50% sequence identity threshold

📖 References (3)

  1. Dysregulation of miRNA-9 in a Subset of Schizophrenia Patient-Derived Neural Progenitor Cells.
    ["Topol et al.. Cell reports (2016)
    PubMed↗DOI↗
  2. CCDC84 Acetylation Oscillation Regulates Centrosome Duplication by Modulating HsSAS-6 Degradation.
    ["Wang et al.. Cell reports (2019)
    PubMed↗DOI↗
  3. The efficacy of maxillary and mandibular nerve blockade using electrical nerve stimulation for guidance.
    ["Bayramo\u011flu et al.. Journal of stomatology, oral and maxillofacial surgery (2020)
    PubMed↗DOI↗
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