4R-tau strain-specific spreading patterns in PSP vs CBD

PARTIALLY ADDRESSED

PSP and CBD both involve 4R-tau but produce distinct neuropathological patterns (tufted astrocytes vs astrocytic plaques). Whether tau strains or regional cellular environments drive these differences is unresolved.

Priority: 0.87 Domain: neurodegeneration Hypotheses: 2

📊 Landscape Analysis

Landscape Summary: 4R-tau strain-specific spreading patterns in PSP vs CBD is a 0.87 priority gap in neurodegeneration. It has 2 linked hypotheses with average composite score 0.660. Status: partially_addressed.

Key Unanswered Questions

What is the optimal TREM2 modulation strategy across disease stages?
How does DAM activation state affect therapeutic outcomes?
What biomarkers predict response to TREM2-targeted interventions?

Key Researchers

Colonna, Sevlever, et al. (TREM2 biology)

Clinical Trials

4R-tau strain-specific spreading patterns in PSP vs CBD — INVOKE-2 (completed)

📈 Living Dashboards

2

Hypotheses

0.682

Top Score

0.660

Avg Score

0

Debates

0.00

Avg Quality

60%

Resolution

0

Mechanistic Families

Gap Resolution Progress60%

Hypothesis Score Distribution

🏆 Competing Hypotheses (Ranked by Score)

Context-Dependent CRISPR Activation in Specific Neuronal Subtypes

Target: Cell-type-specific essential genes Pathway: CRISPRa transcriptional activa

0.682

score

Selective Neuronal Vulnerability Network Targeting

Target: Cell-type specific vulnerability markers Pathway: N/A

0.638

score

🌊 Knowledge Graph Connections

activates (5)

CBD→mitochondrial dysfunctionCBD→TRPV4PSP→AgingPSP→ALSPSP→Als

aggregates in (2)

tau_protein→PSPtau_protein→CBD

associated with (15)

PSP→AlsPSP→AlzheimerPSP→Alzheimer's diseasePSP→ALZHEIMER'S DISEASEPSP→Parkinson's disease

▸ Show 10 more

PSP→frontotemporal dementiaALZHEIMER→PSPPSP→ALSPSP→Frontotemporal DementiaPSP→ParkinsonPSP→tauopathyPSP→FtdPSP→AgingPSP→NeurodegenerationPSP→Senescence

biomarker for (2)

4R-tau→CBD4R-tau→PSP

causes (1)

describes (1)

therapeutics-section-209-glp-1-receptor-agonists-cbs-psp→PSP

downregulates (1)

expressed in (5)

PSP→neuronsPSP→Amyotrophic Lateral SclerosisPSP→DementiaPSP→AlzheimerPSP→Als

inhibits (3)

CBD→amyloid-βPSP→AlzheimerPSP→Cancer

interacts with (1)

CBD→temozolomide

participates in (2)

PSP→unfolded protein responsePSP→oxidative stress response

regulates (4)

MOBP→PSPCBD→tau proteinPSP→Parkinson's diseasePSP→STX6

targets (1)

PSP→tauopathy

therapeutic target (4)

PSP→TauopathyPSP→AlzheimerPSP→NeurodegenerationPSP→Amyotrophic Lateral Sclerosis

treats (3)

CBD→gliomaCBD→Alzheimer's diseasePSP→Als

🕑 Activity Feed

📈 Selective Neuronal Vulnerability Network Targeting score=0.638 2026-04-04T13:37

📈 Context-Dependent CRISPR Activation in Specific Neuronal Sub score=0.682 2026-04-02T20:53

💬 Discussion

No discussions yet. Be the first to comment.

📋 Investigation Sub-Tasks

Create sub-tasks to investigate specific aspects of this gap:

Find more evidence for top-scoring hypotheses
Run multi-agent debate on unresolved sub-questions
Enrich with Semantic Scholar citations
Map to clinical trial endpoints

← Back to All Gaps