entity

PAG

Entity Detail — Knowledge Graph Node

Understanding Entity Pages

This page aggregates everything SciDEX knows about PAG: its mechanistic relationships (Knowledge Graph edges), hypotheses targeting it, analyses mentioning it, and supporting scientific papers. The interactive graph below shows its immediate neighbors. All content is AI-synthesized from peer-reviewed literature.

1Connections
26Hypotheses
0Analyses
0Outgoing
1Incoming
12Experiments
0Debates

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Wiki Pages (3)

Knowledge base pages for this entity

Canonical Page

Periaqueductal Gray (PAG)

brain · 1086 words

Periaqueductal Gray (PAG) Neurons

cell · 860 words

Lateral Periaqueductal Gray (lPAG) Neurons

cell · 638 words

Outgoing (0)

TargetRelationTypeStr
No outgoing edges

Incoming (1)

SourceRelationTypeStr
GABRDexpressed_ingene0.80

Targeting Hypotheses (26)

Hypotheses where this entity is a therapeutic target

HypothesisScoreDiseaseAnalysis
Closed-loop focused ultrasound targeting EC-II SST interneur 0.978 Alzheimer's disease Circuit-level neural dynamics in neurode
Closed-loop tACS targeting EC-II SST interneurons to block t 0.959 Alzheimer's disease Circuit-level neural dynamics in neurode
Closed-loop transcranial focused ultrasound targeting EC-II 0.940 Alzheimer's disease Circuit-level neural dynamics in neurode
Closed-loop tACS targeting EC-II PV interneurons to suppress 0.903 Alzheimer's disease Circuit-level neural dynamics in neurode
Closed-loop transcranial focused ultrasound targeting CA1 PV 0.797 Alzheimer's disease Circuit-level neural dynamics in neurode
cGAS-STING Pathway Hyperactivation Mediates Tau Propagation 0.760 neurodegeneration Gap 006 analysis (archived stub)
Noradrenergic-Tau Propagation Blockade 0.711 neurodegeneration Sleep disruption as cause and consequenc
Rab27A/B-mediated exosomal tau secretion from microglia driv 0.690 neurodegeneration Which tau propagation mechanism predomin
SASP-Secreted MMP-9 from Senescent Microglia Generates Patho 0.686 ALS What are the mechanisms by which microgl
Microglial NOX2 establishes an inflammatory ROS propagation 0.680 neurodegeneration What mechanisms drive the self-amplifyin
A downstream LRRK2-Rab10-JIP4 lysosomal stress loop promotes 0.680 neurodegeneration Do pathogenic LRRK2 mutations amplify vo
CDK5 Inhibition at Presynaptic Terminals Prevents Activity-D 0.640 neurodegeneration Investigate prion-like spreading of tau
Autophagosome-Lysosome Fusion Defects as Primary Driver of α 0.630 neurodegeneration Gap 006 analysis (archived stub)
H7: Enteric Nervous System Alpha-Synuclein Propagation Block 0.620 neurodegeneration How does engineered C. butyricum cross t
Closed-loop tACS targeting EC-II PV interneurons to enhance 0.596 Alzheimer's disease Circuit-level neural dynamics in neurode
Exosomal α-Synuclein as an Interneuronal Propagation Vector 0.595 neurodegeneration Legacy Pre-Pipeline Hypothesis Import
Blocking Exosomal Tau Uptake at Neuronal LRP1 Receptors Disr 0.570 neurodegeneration Investigate prion-like spreading of tau
LRP1-mediated synaptic uptake drives early entorhinal-hippoc 0.570 neurodegeneration Which tau propagation mechanism predomin
GluN2B-Mediated Microglial Activation and Tau Propagation 0.565 neuroscience Circuit-level neural dynamics in neurode
Microglial Exosome-Mediated Tau Propagation 0.539 neuroscience Circuit-level neural dynamics in neurode
Transient Chaperone Priming Prior to Seed Inoculation Preven 0.535 protein folding Can chaperone enhancement approaches ove
M-Sec/TNTA2-mediated tunneling nanotube formation drives gli 0.520 neurodegeneration Which tau propagation mechanism predomin
Enteric Nervous System Prion-Like Propagation Blockade 0.480 neurodegeneration What are the mechanisms by which gut mic
Vagus Nerve as Anatomical Highway for Prion-Like α-Syn Propa 0.414 neurodegeneration Gut-Brain Axis in Parkinson's Disease: M
Tau Propagation Blockade via Synaptic Ephrin-B2/ephrin-B Sig 0.197 connectomics Human connectome alterations in Alzheime
TREM2-Mediated Microglial Dysfunction Impairs Synaptic Tau P 0.000 neuroscience TREM2 in Alzheimer's Disease: Mechanisms

Mentioning Analyses (0)

Scientific analyses that reference this entity

No analyses mention this entity

Experiments (12)

Experimental studies targeting or related to this entity

ExperimentTypeDiseaseScoreFeasibilityModelStatusEst. Cost
Plant-based dietary patterns and Alzheimer's disease risk in multiethn clinical Alzheimer's disease and relate 0.950 0.00 human patients proposed N/A
Epigenetic clocks association with brain aging patterns in older women exploratory cognitive impairment and demen 0.900 0.00 human patients proposed N/A
s:** - Compare tau strain spreading in EXT1/EXT2 conditional knockout falsification Neurodegeneration 0.400 0.50 mouse proposed $260,000
4R-Tau Targeting Therapies for PSP and CBS clinical Alzheimer's Disease 0.400 0.50 human proposed $6,550,000
Alpha-Synuclein Spreading Mechanism — Prion-Like Propagation and Neuro exploratory Parkinson's Disease 0.400 0.50 human proposed $2,070,000
Anti-Tau Immunotherapy Dosing Optimization clinical Alzheimer's Disease 0.400 0.50 human proposed $5,460,000
Blood Biomarker vs Tau PET for Treatment Monitoring clinical ALS 0.400 0.50 human proposed $5,460,000
Combination Therapy Sequencing in Parkinson's Disease validation Parkinson's Disease 0.400 0.50 human proposed $2,280,000
Alpha-Synuclein Staging and Spreading in DLB — Spatial Propagation Map validation Parkinson's Disease 0.400 0.50 cell_line proposed $160,000
Tau Co-Pathology in DLB Clinical Heterogeneity clinical Neurodegeneration 0.400 0.50 human proposed $5,460,000
Levodopa Response Determinants in PSP — Biomarker-Guided Prediction St clinical Neurodegeneration 0.400 0.50 human proposed $5,460,000
Experiment: Multi-Ethnic PD GWAS clinical Parkinson's Disease 0.400 0.50 human proposed $7,500,000

Related Papers (20)

Scientific publications cited in analyses involving this entity

Title & PMIDAuthorsJournalYearCitations
Intratumoral activation of the necroptotic pathway components RIPK1 and RIPK3 po [PMID:31227597] Snyder AG, Hubbard NW, Messmer MN, Kofma Sci Immunol 2019 1
Effect of etching with potassium hydrogen difluoride and ammonium hydrogen diflu [PMID:31068549] Akazawa N, Koizumi H, Nogawa H, Kodaira Dent Mater J 2019 1
Synapse formation in the brain can be enhanced by co-administering three specifi [PMID:29031899] Wurtman RJ Eur J Pharmacol 2017 1
Engineered AAVs for efficient noninvasive gene delivery to the central and perip [PMID:28671695] Chan KY, Jang MJ, Yoo BB, Greenbaum A, R Nat Neurosci 2017 1
The Pediatric Imaging, Neurocognition, and Genetics (PING) Data Repository. [PMID:25937488] Jernigan TL, Brown TT, Hagler DJ Jr, Aks Neuroimage 2016 1
Regulation of Lipid Biology-Associated Gene Expression in Granulosa Cells in Hyp [PMID:41605187] ["Berkel C"] Lipids 2026 0
Meta-GWAS of Pig Semen Quality Traits Reveals Conserved Genes Regulating Mammali [PMID:41504393] ["Lin Q", "Cai X", "Zhong Z", "Li T", "C Advanced science (Weinheim, Ba 2026 0
Necl1 deficiency induces noradrenergic dysfunction and depressive-like states in [PMID:41308882] ["Song J", "Wang L", "Suo J", "Ran K", " Journal of affective disorders 2026 0
The contribution of phenolic endocrine-disrupting chemicals to breast cancer ris [PMID:41673191] ["Dou Y", "Li X", "Li M", "Shang J", "Xu Scientific reports 2026 0
Transcriptomics reveals new therapeutic targets for ovarian cancer. [PMID:41577183] ["Feng Y", "Liu G"] SLAS technology 2026 0
Noradrenergic inhibition of definitive POMC neurons through direct and indirect [PMID:41877438] Lavoie O, Turmel A, Khouma A, Minbashi M Journal of neuroendocrinology 2026 0
The Neuroimmunome of Hepatitis Patients Associates With Disease Severity. [PMID:41347690] ["N\u00f3bile A", "Adri A", "Usuda J", " Journal of medical virology 2025 0
Neuro-Mesenchymal Interaction Mediated by a β2-Adrenergic Nerve Growth Factor Fe [PMID:39137067] ["Kobayashi H", "Iida T", "Ochiai Y", "M Cancer discovery 2025 0
Molecular Profiling of Genes Associated With Methylphenidate Pathway Therapy and [PMID:41058112] ["Santos A", "de Souza T", "Aguiar K", " American journal of medical ge 2025 0
APOE3-R136S mutation confers resilience against tau pathology via cGAS-STING-IFN [PMID:38712164] Unknown 2025 0
Probiotic Bactolac alleviates depression-like behaviors by modulating BDNF, NLRP [PMID:40281288] ["I\u015f\u0131k M", "K\u00f6se F", "Bud Pflugers Archiv : European jou 2025 0
The R136S mutation in the APOE3 gene confers resilience against tau pathology vi [PMID:40555238] Unknown 2025 0
Promising Antidepressant Potential: The Role of Lactobacillus rhamnosus GG in Me [PMID:39962033] ["I\u015f\u0131k M", "K\u00f6se F", "\u0 Probiotics and antimicrobial p 2025 0
Unveiling the molecular mechanisms of human platelet lysate in enhancing endomet [PMID:40663777] ["Nguyen T", "Kwok Y", "Zhang C", "Russe Human reproduction (Oxford, En 2025 0
Anti-herpetic tau preserves neurons via the cGAS-STING-TBK1 pathway in Alzheimer [PMID:39753133] Hyde VR, Zhou C, Fernandez JR, Chatterje Cell reports 2025 0

Debates (0)

Multi-agent debates referencing this entity

No debates reference this entity

Related Research

Hypotheses and analyses mentioning PAG in their description or question text

cGAS-STING Pathway Hyperactivation Mediates Tau Propagation

Score: 0.760 · neurodegeneration · 2026-04-22

**Molecular Mechanism and Rationale** The cGAS-STING (cyclic GMP-AMP synthase - stimulator of interferon genes) pathway

Noradrenergic-Tau Propagation Blockade

Score: 0.711 · neurodegeneration · 2026-04-02

## Mechanistic Overview Noradrenergic-Tau Propagation Blockade starts from the claim that modulating ADRA2A within the d

Rab27A/B-mediated exosomal tau secretion from microglia drives frontal cortex pr

Score: 0.690 · neurodegeneration · 2026-04-21

## Mechanistic Overview Rab27A/B-mediated exosomal tau secretion from microglia drives frontal cortex propagation at Bra

SASP-Secreted MMP-9 from Senescent Microglia Generates Pathological TDP-43 C-Ter

Score: 0.686 · ALS · 2026-04-26

The hypothesis proposes that MMP-9 (matrix metalloproteinase-9), secreted via the senescence-associated secretory phenot

Microglial NOX2 establishes an inflammatory ROS propagation loop around vulnerab

Score: 0.680 · neurodegeneration · 2026-04-25

Dying or stressed neurons release alpha-synuclein and DAMPs that activate microglia, which then generate superoxide thro

A downstream LRRK2-Rab10-JIP4 lysosomal stress loop promotes alpha-synuclein rel

Score: 0.680 · neurodegeneration · 2026-04-24

Even if G2019S mainly elevates the kinase floor, that increase may still become pathogenic by pushing a thresholded down

CDK5 Inhibition at Presynaptic Terminals Prevents Activity-Dependent Tau Release

Score: 0.640 · neurodegeneration · 2026-04-22

## **Molecular Mechanism and Rationale** The cyclin-dependent kinase 5 (CDK5) represents a critical regulatory node in

Autophagosome-Lysosome Fusion Defects as Primary Driver of α-Synuclein Propagati

Score: 0.630 · neurodegeneration · 2026-04-22

## **Molecular Mechanism and Rationale** The autophagosome-lysosome fusion process represents a critical checkpoint in

H7: Enteric Nervous System Alpha-Synuclein Propagation Blocker via Gut Barrier R

Score: 0.620 · neurodegeneration · 2026-04-15

## Mechanistic Overview H7: Enteric Nervous System Alpha-Synuclein Propagation Blocker via Gut Barrier Restoration start

Closed-loop tACS targeting EC-II PV interneurons to enhance perisomatic inhibiti

Score: 0.596 · Alzheimer's disease · 2026-04-07

## Mechanistic Overview Closed-loop tACS targeting EC-II PV interneurons to enhance perisomatic inhibition and block tau

Exosomal α-Synuclein as an Interneuronal Propagation Vector in Parkinson's Disea

Score: 0.595 · neurodegeneration · 2026-04-26

Misfolded α-synuclein aggregates are transmitted via exosomes from donor to recipient neurons, templating endogenous aSy

Blocking Exosomal Tau Uptake at Neuronal LRP1 Receptors Disrupts Interneuronal P

Score: 0.570 · neurodegeneration · 2026-04-22

## Mechanistic Overview Blocking Exosomal Tau Uptake at Neuronal LRP1 Receptors Disrupts Interneuronal Propagation start

LRP1-mediated synaptic uptake drives early entorhinal-hippocampal tau propagatio

Score: 0.570 · neurodegeneration · 2026-04-21

## Mechanistic Overview LRP1-mediated synaptic uptake drives early entorhinal-hippocampal tau propagation (Braak I-II) s

GluN2B-Mediated Microglial Activation and Tau Propagation

Score: 0.565 · neuroscience · 2026-04-20

## Mechanistic Overview GluN2B-Mediated Microglial Activation and Tau Propagation starts from the claim that modulating

Microglial Exosome-Mediated Tau Propagation

Score: 0.539 · neuroscience · 2026-04-12

**Molecular Mechanism and Rationale** The microglial exosome-mediated tau propagation hypothesis represents a paradigm