gene

CLDN5

Entity Detail — Knowledge Graph Node

Understanding Entity Pages

This page aggregates everything SciDEX knows about CLDN5: 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.

391Connections
5Hypotheses
7Analyses
50Outgoing
50Incoming
0Experiments
8Debates

Summary

CLDN5 is a gene implicated in neurodegeneration research. Key relationships include: activates, inhibits, co discussed. Associated with ALS, Als, Brain Arteriovenous Malformations. Connected to 121 entities in the SciDEX knowledge graph.

View on Wiki →

No AI portrait yet

🧬 Gene Info
Gene SymbolCLDN5
Full NameClaudin-5
Chromosome22q11.21.
Protein TypeStructural Protein
Target ClassStructural Protein
FunctionTight junction protein modulation - no established druggable mechanisms
Mechanism of ActionTight junction protein modulation - no established druggable mechanisms
Primary ExpressionBrain endothelial cells, Tight junctions of blood-brain barrier
DruggabilityUndruggable (0.20)
Clinical StageApproved
Amino Acids218 aa
Exons4
PathwaysCerebrovascular
UniProt IDO00511
NCBI Gene ID9079
Ensembl IDENSG00000184113
OMIM602507
GeneCardsCLDN5
Human Protein AtlasCLDN5
Associated DiseasesALS, blood-retinal barrier integrity, Brain Edema, neurodegeneration, stroke
Known Drugs/Compoundscurcumin, resveratrol
InteractionsABCB1, ABCD1, ABCD2, ABCG2, AMYLOID, AND
SciDEX TargetView Target Profile (5 clinical trials)
SciDEX HypothesesGut-BBB Axis: Tributyrin/Butyrate HDAC Inhibition
Plasma Claudin-5 Proteolytic Fragments Distinguish
Vascular-Glial Interface Restoration (+2 more)
KG Connections391 knowledge graph edges
DatabasesGeneCardsHPASTRING
🔮 Predicted Structure: CLDN5 — AlphaFold O00511 Click to expand

AI-predicted structure from AlphaFold | Powered by Mol*

Wiki Pages (1)

Knowledge base pages for this entity

Canonical Page

CLDN5 — Claudin-5

gene · 699 words

Pathway Diagram

graph TD
    CLDN5["CLDN5"]
    CLDN5 -->|"encodes"| CLAUDIN5["CLAUDIN5"]
    CLDN5 -->|"encodes"| Claudin_5["Claudin-5"]
    CLDN5 -->|"activates"| Stroke["Stroke"]
    CLDN5 -->|"inhibits"| Als["Als"]
    CLDN5 -->|"target for"| Ms["Ms"]
    CLDN5 -->|"inhibits"| ALS["ALS"]
    h_7a8d7379["h-7a8d7379"] -->|"target for"| CLDN5
    H3K27me3["H3K27me3"] -->|"inhibits"| CLDN5
    AUTOPHAGY["AUTOPHAGY"] -->|"regulates"| CLDN5
    OCLN["OCLN"] -->|"activates"| CLDN5
    BECN1["BECN1"] -->|"activates"| CLDN5
    CXCL2["CXCL2"] -->|"inhibits"| CLDN5
    IL6["IL6"] -->|"inhibits"| CLDN5
    ATF4["ATF4"] -->|"target for"| CLDN5
    PPP1R15A["PPP1R15A"] -->|"target for"| CLDN5

Outgoing (253)

TargetRelationTypeStr
ds-f2c28aed24a7provides_data_fordataset1.00
TIGHT JUNCTIONinvolved_inentity0.95
Blood-Brain Barrier Integrityregulatesphenotype0.95
Blood-Retinal Barrier Integritypromotesphenotype0.95
BLOOD-BRAIN BARRIERinvolved_inentity0.95

Incoming (138)

SourceRelationTypeStr
H6preserveshypothesis0.00
H2_MMP9cleaves_tight_junction_proteinprotease0.00
miR-181c-5prepresses_translationmiRNA0.00
ds-f2c28aed24a7data_indataset1.00
TJP1interacts_with_confidence_0.993gene0.99

Targeting Hypotheses (5)

Hypotheses where this entity is a therapeutic target

HypothesisScoreDiseaseAnalysis
Gut-BBB Axis: Tributyrin/Butyrate HDAC Inhibition Epigenetic 0.712 - Blood-brain barrier permeability changes
Plasma Claudin-5 Proteolytic Fragments Distinguish Paracellu 0.705 - What blood-brain barrier permeability ch
Vascular and Perivascular Cell Type Vulnerability: BBB Integ 0.566 neurodegeneration Cell type vulnerability debate in Alzhei
Vascular-Glial Interface Restoration 0.566 neurodegeneration Cell type vulnerability in Alzheimers Di
HBOT at 1.5 ATA for 90 days restores BBB integrity by upregu 0.460 neurodegeneration What are the optimal oxygen pressure, du

Mentioning Analyses (7)

Scientific analyses that reference this entity

What is the minimum effective dose of trazodone required for disease-modifying e

neurodegeneration | 2026-04-26 | 7 hypotheses Top: 0.605

What blood-brain barrier permeability changes serve as early biomarkers for neur

neurodegeneration | 2026-04-26 | 8 hypotheses Top: 0.940

What blood-brain barrier permeability changes serve as early biomarkers for neur

neurodegeneration | 2026-04-26 | 8 hypotheses Top: 0.745

What blood-brain barrier permeability changes serve as early biomarkers for neur

neurodegeneration | 2026-04-26 | 8 hypotheses Top: 0.735

Blood-brain barrier tight junction disruption by neuroinflammatory cytokines

neurodegeneration | 2026-04-16 | 7 hypotheses Top: 0.919

Experiments (0)

Experimental studies targeting or related to this entity

ExperimentTypeDiseaseScoreFeasibilityModelStatusEst. Cost
No experiments found

Related Papers (0)

Scientific publications cited in analyses involving this entity

Title & PMIDAuthorsJournalYearCitations
No papers found

Debates (8)

Multi-agent debates referencing this entity

What is the minimum effective dose of trazodone required for disease-modifying e

closed · Rounds: 4 · Score: 1.00 · 2026-04-26

What blood-brain barrier permeability changes serve as early biomarkers for neur

closed · Rounds: 4 · Score: 1.00 · 2026-04-26

What blood-brain barrier permeability changes serve as early biomarkers for neur

closed · Rounds: 4 · Score: 1.00 · 2026-04-26

What blood-brain barrier permeability changes serve as early biomarkers for neur

closed · Rounds: 4 · Score: 1.00 · 2026-04-26

Should PEA-PPARA endocannabinoid signaling be prioritized as a therapeutic strat

closed · Rounds: 4 · Score: 0.76 · 2026-04-23

Blood-brain barrier tight junction disruption by neuroinflammatory cytokines

closed · Rounds: 7 · Score: 0.87 · 2026-04-16

Anti-amyloid antibodies (lecanemab, donanemab) have ~0.1% brain penetrance. Engi

closed · Rounds: 4 · Score: 0.91 · 2026-04-06

What cell types are most vulnerable in Alzheimers Disease based on SEA-AD transc

closed · Rounds: 4 · Score: 0.90 · 2026-04-03

Related Research

Hypotheses and analyses mentioning CLDN5 in their description or question text

No additional research found