STMN2 Restoration as a Prerequisite for Axon Growth After TDP-43 Clearance

Target: STMN2 Composite Score: 0.658 Price: $0.67▲0.9% Citation Quality: Pending neurodegeneration Status: promoted

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🧠 Neurodegeneration

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Composite: 0.658

Top 4% of 512 hypotheses

T5 Contested

Contradicted by evidence, under dispute

A Mech. Plausibility 15% 0.80 Top 26%

B+ Evidence Strength 15% 0.78 Top 25%

B+ Novelty 12% 0.70 Top 65%

A Feasibility 12% 0.85 Top 22%

A Impact 12% 0.82 Top 22%

A Druggability 10% 0.88 Top 23%

B Safety Profile 8% 0.68 Top 31%

B+ Competition 6% 0.75 Top 45%

A Data Availability 5% 0.82 Top 22%

B+ Reproducibility 5% 0.75 Top 24%

Evidence

5 supporting | 4 opposing

Citation quality: 0%

Debates

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Convergence

0.00 F 30 related hypothesis share this target

From Analysis:

What molecular mechanisms enable functional recovery and muscle re-innervation after motor neuron loss in ALS/FTLD?

The study shows dramatic functional recovery and muscle re-innervation after cytoplasmic TDP-43 clearance, even following motor neuron death. The cellular and molecular mechanisms underlying this unexpected regenerative capacity in neurodegenerative disease are not explained. Gap type: unexplained_observation Source paper: Functional recovery in new mouse models of ALS/FTLD after clearance of pathological cytoplasmic TDP-43. (2015, Acta neuropathologica, PMID:26197969)

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Hypotheses from Same Analysis (1)

These hypotheses emerged from the same multi-agent debate that produced this hypothesis.

GDNF Gradient Establishment by Schwann Cells Enables Motor Re-innervation

Score: 0.585 | Target: GDNF

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Description

Stathmin-2-Dependent Microtubule Destabilization Reversal Enables Motor Axon Sprouting. The observed functional recovery requires restoration of STMN2 levels, which TDP-43 normally sustains through direct transcriptional regulation. Upon TDP-43 clearance, restored nuclear TDP-43 function re-engages STMN2 expression, reversing microtubule destabilization and enabling axonal remodeling necessary for muscle re-innervation.

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.

9 citations 9 with PMID Validation: 0% 5 supporting / 4 opposing

Evidence Matrix — sortable by strength/year, click Abstract to expand

Claim	Type	Source	Strength ↕	Year ↕	PMIDs	Abstract
ALS-implicated protein TDP-43 sustains levels of S…	Supporting	-	-	-	PMID:30643292	-
TDP-43 loss causes cryptic splicing and polyadenyl…	Supporting	-	-	-	PMID:36927019	-
TDP-43 normally binds to STMN2 pre-mRNA to prevent…	Supporting	-	-	-	PMID:36927019	-
CNTF signaling for microtubule dynamics in axons i…	Supporting	-	-	-	PMID:24007389	-
TDP-43 is an aggregation-prone protein which accum…	Supporting	-	-	-	PMID:38443601	-
Human postmortem studies suggest STMN2 splicing ch…	Opposing	-	-	-	PMID:38443601	-
STMN2 is one of hundreds of TDP-43 regulated trans…	Opposing	-	-	-	PMID:38443601	-
Stathmin family includes STMN1, STMN3, and STMN4 w…	Opposing	-	-	-	PMID:24007389	-
No studies demonstrate STMN2 overexpression alone …	Opposing	-	-	-	PMID:38443601	-

Legacy Card View — expandable citation cards

✓ Supporting Evidence 5

ALS-implicated protein TDP-43 sustains levels of STMN2, a mediator of motor neuron growth and repair

PMID:30643292

TDP-43 loss causes cryptic splicing and polyadenylation of STMN2 pre-mRNA; ASOs can sterically block cryptic s…▼

TDP-43 loss causes cryptic splicing and polyadenylation of STMN2 pre-mRNA; ASOs can sterically block cryptic splice sites to restore full-length STMN2 translation in vitro and in vivo

PMID:36927019

TDP-43 normally binds to STMN2 pre-mRNA to prevent aberrant splicing through SRSF7 binding sites

PMID:36927019

CNTF signaling for microtubule dynamics in axons involves stathmin interaction with Stat-3

PMID:24007389

TDP-43 is an aggregation-prone protein which accumulates in ALS hallmark pathological inclusions

PMID:38443601

✗ Opposing Evidence 4

Human postmortem studies suggest STMN2 splicing changes occur very early, potentially before therapeutic inter…▼

Human postmortem studies suggest STMN2 splicing changes occur very early, potentially before therapeutic intervention window

PMID:38443601

STMN2 is one of hundreds of TDP-43 regulated transcripts; cherry-picks single downstream effector without addr…▼

STMN2 is one of hundreds of TDP-43 regulated transcripts; cherry-picks single downstream effector without addressing why STMN2 would be specifically required

PMID:38443601

Stathmin family includes STMN1, STMN3, and STMN4 which may compensate for STMN2 loss; functional redundancy no…▼

Stathmin family includes STMN1, STMN3, and STMN4 which may compensate for STMN2 loss; functional redundancy not excluded

PMID:24007389

No studies demonstrate STMN2 overexpression alone is sufficient to drive re-innervation in absence of other su…▼

No studies demonstrate STMN2 overexpression alone is sufficient to drive re-innervation in absence of other supportive conditions

PMID:38443601

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.

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Price History

7d Trend

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Stable

7d Momentum

▲ 0.9%

Volatility

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0.0821

Events (7d)

⚡ Price Movement Log Recent 3 events

	Event	Price	Change	Source	Time
📄	New Evidence	$0.666	▼ 7.5%	evidence_update	2026-04-14 14:03
📄	New Evidence	$0.720	▲ 9.1%	evidence_update	2026-04-14 14:03
✨	Listed	$0.660		post_process	2026-04-14 14:03