🧪
hypothesis

TFEB-Mediated Lysosomal Biogenesis Restoration for GRN Haploinsufficiency FTD

Hypothesis

TFEB-Mediated Lysosomal Biogenesis Restoration for GRN Haploinsufficiency FTD

Progranulin haploinsufficiency impairs lysosomal function via decreased TFEB nuclear translocation, causing lipofuscin accumulation and neuronal vulnerability.
🧬 TFEB/GRN🩺 neurodegeneration🎯 Composite 56%💱 $0.54▼4.9%proposed
EvidencePending (0%)📖 0 cit🗣 1 debates✓ 3 support✗ 3 oppose
✓ All Quality Gates Passed
Mechanistic 0.65 (15%) Evidence 0.68 (15%) Novelty 0.72 (12%) Feasibility 0.45 (12%) Impact 0.62 (12%) Druggability 0.40 (10%) Safety 0.38 (8%) Competition 0.55 (6%) Data Avail. 0.60 (5%) Reproducible 0.55 (5%) KG Connect 0.50 (8%) 0.560 composite
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Composite56%

🧪 Overview

Progranulin haploinsufficiency impairs lysosomal function via decreased TFEB nuclear translocation, causing lipofuscin accumulation and neuronal vulnerability. Enhancing TFEB activity may restore lysosomal homeostasis. However, GRN Phase 3 (latozinemab) failed clinically, and direct TFEB activation poses oncogenic/metabolic risks.

🧬 Mechanism

No curated mechanism pathway recorded for this hypothesis.

⚖️ Evidence

⚖️ Evidence Matrix3 supports3 contradicts
Supports
Grn-/- mice exhibit lysosomal dysfunction, lipofuscin accumulation, and microgliosis
PMID:18819921
Supports
Progranulin localizes to lysosomes and regulates cathepsin activity
PMID:22958956
Supports
TFEB overexpression enhances lysosomal biogenesis in storage disease models
PMID:22107871
Contradicts
Latozinemab (progranulin replacement) failed Phase 3 clinical endpoint in FTD-GRN
PMID:unreported
Contradicts
Grn-/- mice do not replicate human FTD pathology (no TDP-43 inclusions)
PMID:unreported
Contradicts
TFEB overexpression may cause non-specific autophagy with oncogenic potential
PMID:unreported
📖 Linked Papers

No linked papers recorded for this hypothesis yet.

🏥 Translation

🧬 3D Protein Structure — TFEB

No curated PDB or AlphaFold mapping for TFEB 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 TFEB →

No DepMap CRISPR Chronos data found for TFEB.

Run python3 scripts/backfill_hypothesis_depmap.py to populate.

🏆 Tournament

🏆 Arenas / Elo

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💾 Resource Usage

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

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