ID: h-110fecd1f6
Hypothesis
Seed match plus local RNA structure jointly determine lncRNA-0021 binding to mmu-miR-6361
The most likely explanation is a two-factor recognition mechanism: a canonical miRNA seed-complementary site in lncRNA-0021 provides initial specificity, while a favorable local secondary structure or central pairing pattern raises affin.
molecular neurobiology
EvidencePending (0%)📖 0 cit🗣 1 debates✓ 3 support✗ 2 oppose
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🧪 Overview
The most likely explanation is a two-factor recognition mechanism: a canonical miRNA seed-complementary site in lncRNA-0021 provides initial specificity, while a favorable local secondary structure or central pairing pattern raises affinity enough to distinguish mmu-miR-6361 from other seed-sharing candidates. This explains why seed complementarity is necessary but not by itself sufficient for selective binding.
🧬 Mechanism
🧬 Curated Mechanism Pathway
Curated pathway from expert analysis
flowchart TD
A["lncRNA-0021<br/>Hypothesis Target"]
B["Complement<br/>Cited Mechanism"]
C["Cellular Response<br/>Stress or Clearance Change"]
D["Neural Circuit Effect<br/>Synapse/Glia Vulnerability"]
E["Neurodegeneration<br/>Disease-Relevant Outcome"]
A --> B
B --> C
C --> D
D --> E
style A fill:#1a237e,stroke:#4fc3f7,color:#4fc3f7
style B fill:#b71c1c,stroke:#ef9a9a,color:#ef9a9a
style E fill:#b71c1c,stroke:#ef9a9a,color:#ef9a9a⚖️ Evidence
⚖️ Evidence Matrix3 supports2 contradicts
Supports
Seed pairing is the dominant first-pass determinant of miRNA target recognition, making it a necessary component of any direct lncRNA-miRNA interaction model.
Supports
Central-region pairing and target-site architecture can differentiate functional from non-functional miRNA interactions beyond seed matching alone.
Supports
Structured lncRNA regions are enriched for miRNA interactions in brain-relevant contexts, supporting a structure-assisted binding model.
Contradicts
Seed matches are common and often non-functional, so seed complementarity alone has poor positive predictive value for true ceRNA behavior.
Contradicts
The source paper confirms direct binding in a related context but does not establish that lncRNA-0021, rather than lncRNA-9969, is the actual transcript involved.
📖 Linked Papers
No linked papers recorded for this hypothesis yet.
🏥 Translation
🧬 3D Protein Structure — LNCRNA-0021
No curated PDB or AlphaFold mapping for LNCRNA-0021 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.
No DepMap CRISPR Chronos data found for lncRNA-0021.
Run python3 scripts/backfill_hypothesis_depmap.py to populate.
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🔮 Predictions
🔎 Predictions vs Observations2 predictions · 0 with recorded observations
| Prediction | Predicted | Observed | Status | Conf |
|---|---|---|---|---|
| IF the local secondary structure surrounding the seed site in lncRNA-0021 is disrupted by synonymous mutations that maintain the seed complementarity while reducing base-pairing stability (ΔG > -5 kca | Selectivity ratio for mmu-miR-6361 vs. seed-sharing miRNAs drops from >10-fold to <2-fold with structure-disrupted mutant | — no observation — | pending | 0.70 |
| IF the seed-complementary site in lncRNA-0021 is mutated to abolish complementarity with mmu-miR-6361 (while preserving the local secondary structure), THEN binding affinity for mmu-miR-6361 will decr | Binding affinity decreases >80% (Kd increases >5-fold) for mmu-miR-6361 with seed-site mutant lncRNA-0021 | — no observation — | pending | 0.75 |
🔮 Falsifiable Predictions (2)
pendingconf 75%
IF the seed-complementary site in lncRNA-0021 is mutated to abolish complementarity with mmu-miR-6361 (while preserving the local secondary structure), THEN binding affinity for mmu-miR-6361 will decrease by >80% compared to wild-type, as measured by RNA pull-down with biotinylated mmu-miR-6361 and
Predicted outcome: Binding affinity decreases >80% (Kd increases >5-fold) for mmu-miR-6361 with seed-site mutant lncRNA-0021
Falsification: If seed-mutant lncRNA-0021 retains >50% binding affinity for mmu-miR-6361 compared to wild-type, the seed-match necessity component is falsified
pendingconf 70%
IF the local secondary structure surrounding the seed site in lncRNA-0021 is disrupted by synonymous mutations that maintain the seed complementarity while reducing base-pairing stability (ΔG > -5 kcal/mol change), THEN selective binding of mmu-miR-6361 over other seed-sharing miRNAs (mmu-miR-3087-3
Predicted outcome: Selectivity ratio for mmu-miR-6361 vs. seed-sharing miRNAs drops from >10-fold to <2-fold with structure-disrupted mutant
Falsification: If structure-disrupted lncRNA-0021 maintains >5-fold selectivity for mmu-miR-6361 over other seed-sharing miRNAs, the local structure contribution is falsified
▸Metadatasource: v1_phase_c_backfill · origin_type: debate_synthesizer
| source | v1_phase_c_backfill |
| origin_type | debate_synthesizer |
| _schema_version | 1 |
📊 Evidence Profile
Evidence Balance
+0%
Certainty
0%
Debates
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Incoming
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Outgoing
0
0 supporting
0 contradicting
0 neutral
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