🧪
hypothesis

ATXN2 Antisense Oligonucleotides Reduce Dipeptide Repeat Proteins in C9orf72-ALS/FTD

Hypothesis

ATXN2 Antisense Oligonucleotides Reduce Dipeptide Repeat Proteins in C9orf72-ALS/FTD

ASO-mediated knockdown of ATXN2 reduces repeat-associated non-AUG translation of toxic dipeptide repeat proteins from C9orf72 hexanucleotide expansions.
🧬 ATXN2🩺 neurodegeneration🎯 Composite 63%💱 $0.57▼8.1%proposed
EvidencePending (0%)📖 0 cit🗣 1 debates✓ 3 support✗ 3 oppose
✓ All Quality Gates Passed
Mechanistic 0.60 (15%) Evidence 0.55 (15%) Novelty 0.50 (12%) Feasibility 0.70 (12%) Impact 0.65 (12%) Druggability 0.80 (10%) Safety 0.60 (8%) Competition 0.45 (6%) Data Avail. 0.75 (5%) Reproducible 0.70 (5%) KG Connect 0.50 (8%) 0.630 composite
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Composite63%

🧪 Overview

ASO-mediated knockdown of ATXN2 reduces repeat-associated non-AUG translation of toxic dipeptide repeat proteins from C9orf72 hexanucleotide expansions. Validated intrathecal ASO platform but undermined by conflicting genetic modifier data and direct competition from BIIB105/ION363.

🧬 Mechanism

No curated mechanism pathway recorded for this hypothesis.

⚖️ Evidence

⚖️ Evidence Matrix3 supports3 contradicts
Supports
ATXN2 intermediate expansions increase ALS risk
PMID:25966627
Supports
ATXN2 knockdown reduces toxicity in C9orf72 models
PMID:31727865
Supports
ATXN2 interacts with poly(GR) and poly(GA) dipeptide repeat proteins
PMID:31171694
Contradicts
ATXN2 mutations cause spinocerebellar ataxia type 2 and knockdown may exacerbate dysfunction in patients with ATXN2 polymorphisms
Contradicts
ATXN2 essential for synaptic physiology with complete knockdown causing behavioral abnormalities in mice
Contradicts
Some evidence suggests ATXN2 may be protective modifier in ALS contexts—dual role creates therapeutic ambiguity
📖 Linked Papers

No linked papers recorded for this hypothesis yet.

🏥 Translation

🧬 3D Protein Structure — ATXN2

No curated PDB or AlphaFold mapping for ATXN2 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 ATXN2 →

No DepMap CRISPR Chronos data found for ATXN2.

Run python3 scripts/backfill_hypothesis_depmap.py to populate.

🏆 Tournament

🏆 Arenas / Elo

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📊 Market Indicators

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💾 Resource Usage

No resource usage or linked notebooks recorded for this hypothesis yet.

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