Trans-synaptic tau spreading and propagation mechanisms in AD

PARTIALLY ADDRESSED

Tau pathology spreads through synaptically connected brain regions in Alzheimer disease following a stereotyped anatomical pattern. Mechanisms of trans-synaptic tau propagation via extracellular vesicles, tunneling nanotubes, and synaptic release need clarification.

Priority: 0.88 Domain: neuroscience Hypotheses: 11

📊 Landscape Analysis

Landscape Summary: Trans-synaptic tau spreading and propagation mechanisms in AD is a 0.88 priority gap in neuroscience. It has 11 linked hypotheses with average composite score 0.674. 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

Trans-synaptic tau spreading and propagation mechanisms in AD — INVOKE-2 (completed)

📈 Living Dashboards

11

Hypotheses

0.811

Top Score

0.674

Avg Score

0

Debates

0.00

Avg Quality

60%

Resolution

0

Mechanistic Families

Gap Resolution Progress60%

Hypothesis Score Distribution

🏆 Competing Hypotheses (Ranked by Score)

Closed-loop tACS targeting EC-II PV interneurons to suppress burst fir

Target: PVALB Pathway: Entorhinal cortex layer II PV

0.811

score

Closed-loop tACS targeting entorhinal cortex layer II SST interneurons

Target: SST Pathway: Entorhinal cortex layer II SST

0.784

score

Closed-loop tACS targeting EC-II SST interneurons to block tau propaga

Target: SST Pathway: Entorhinal cortex layer II SST

0.752

score

Closed-loop focused ultrasound targeting EC-II SST interneurons to res

Target: SST Pathway: Entorhinal cortex layer II SST

0.748

score

Programmable Neuronal Circuit Repair via Epigenetic CRISPR

Target: NURR1, PITX3, neuronal identity transcription factors Pathway: CRISPRa epigenetic activation

0.630

score

Multi-Modal CRISPR Platform for Simultaneous Editing and Monitoring

Target: Disease-causing mutations with integrated reporters Pathway: Multiplexed CRISPR editing wit

0.629

score

Cholesterol-CRISPR Convergence Therapy for Neurodegeneration

Target: HMGCR, LDLR, APOE regulatory regions Pathway: Brain cholesterol homeostasis

0.622

score

Trinucleotide Repeat Sequestration via CRISPR-Guided RNA Targeting

Target: HTT, DMPK, repeat-containing transcripts Pathway: CRISPR-Cas13 RNA targeting / t

0.613

score

Epigenetic Memory Reprogramming for Alzheimer's Disease

Target: BDNF, CREB1, synaptic plasticity genes Pathway: CREB/BDNF epigenetic regulatio

0.611

score

Trans-Synaptic Adhesion Molecule Modulation

Target: NLGN1 Pathway: Synaptic function / plasticity

0.544

score

🌊 Knowledge Graph Connections

associated with (21)

entities-ros→ADentities-histone-methylation→ADentities-atp7b-gene→ADTAU→ADTDP-43→AD

▸ Show 16 more

APOE→ADMIR-146A→ADAD→TAUSOD1→ADSV2A→ADBnip3→ADtau N-terminal fragments→ADAPOE genotype→ADentities-dian-observational-study→ADentities-ltp→ADentities-neprilysin→ADT2D→ADMICROGLIA→ADAGE→ADPARK7→ADSNCA→AD

biomarker for (1)

tau cleavage products→AD

causes (6)

AD→neurodegenerationPHOSPHORYLATED_TAU→ADBETA_AMYLOID→ADAD→IMMUNE_TOLAD→memory_loss

▸ Show 1 more

contributes to (1)

NEUROINFLAMMATION→AD

cross disease mechanism in (5)

MAPT→ADTREM2→ADNLRP3→ADPINK1→ADGRN→AD

depleted in (1)

SPM_levels→AD

prevents (1)

NAD+ augmentation→AD

protective against (1)

cognitive stimulation→AD

regulates (1)

risk factor for (4)

genetically at-risk individuals→ADAPOE ε4→ADmicroglial priming→ADAPOE4→AD

targets (1)

resveratrol→AD

therapeutic target for (6)

TREM2→ADCCR2→ADSaracatinib→ADanti-amyloid antibodies→ADNAD+ augmentation→AD

▸ Show 1 more

levetiracetam→AD

treats (1)

🕑 Activity Feed

✏ update on knowledge_gap by None 2026-04-28T01:22

📈 Closed-loop tACS targeting EC-II PV interneurons to suppress score=0.811 2026-04-05T05:50

📈 Closed-loop focused ultrasound targeting EC-II SST interneur score=0.748 2026-04-05T05:50

📈 Closed-loop tACS targeting entorhinal cortex layer II SST in score=0.784 2026-04-05T05:49

📈 Closed-loop tACS targeting EC-II SST interneurons to block t score=0.752 2026-04-05T05:48

📈 Programmable Neuronal Circuit Repair via Epigenetic CRISPR score=0.630 2026-04-02T20:53

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