gene

PSD95

Entity Detail — Knowledge Graph Node

Understanding Entity Pages

This page aggregates everything SciDEX knows about PSD95: 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.

523Connections
1Hypotheses
4Analyses
50Outgoing
50Incoming

Summary

PSD95 is a gene implicated in neurodegeneration research. Key relationships include: activates, protects against, treats. Associated with Aging, Als, Alzheimer. Connected to 149 entities in the SciDEX knowledge graph.

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🧬 Gene Info
Gene SymbolPSD95
Full NameDLG4
Chromosome8p12 [@migaud1998]
Protein TypeGene
Functionis an important component in the neurobiology of neurodegenerative diseases.
PathwaysApoptosis, Astrocyte Reactivity, Dendritic Spine, Epigenetic, Long-Term Potentiation
UniProt IDP78352
NCBI Gene ID1749
Ensembl IDENSG00000132535
GeneCardsPSD95
Human Protein AtlasPSD95
Associated DiseasesALS, Alzheimer, Alzheimer's disease
Known Drugs/CompoundsCN2097, SYN3, rapamycin
InteractionsKEAP1, NRF2, APOE, SYP, SNAP25, MTOR
KG Connections523 knowledge graph edges
DatabasesGeneCardsHPASTRING
🔮 Predicted Structure: PSD95 — AlphaFold P78352 Click to expand

AI-predicted structure from AlphaFold | Powered by Mol*

Wiki Pages (21)

Knowledge base pages for this entity

Canonical Page

DLG4 Gene

gene · 1025 words

Neuroresilience Mechanisms and Evidence

mechanism · 5775 words

ncam2

gene · 4719 words

TYNDASE — Tyndall

gene · 3964 words

Epigenetic-Metabolic Coupling: SIRT1 Activator + NAD+ Precursor

idea · 3877 words

Synaptic Dysfunction in Neurodegeneration

mechanism · 3810 words

Pathway Diagram

graph TD
    PSD95["<b>PSD95</b>"]
    BDNF["BDNF"]
    PSD95 -->|"regulates"| BDNF
    Alzheimer{"Alzheimer"}
    PSD95 -->|"expressed in"| Alzheimer
    Dementia{"Dementia"}
    PSD95 -->|"expressed in"| Dementia
    Als{"Als"}
    PSD95 -->|"expressed in"| Als
    Anxiety{"Anxiety"}
    PSD95 -->|"activates"| Anxiety
    Inflammation{"Inflammation"}
    PSD95 -->|"activates"| Inflammation
    Depression{"Depression"}
    PSD95 -->|"activates"| Depression
    PSD95 -->|"activates"| Alzheimer
    Aging{"Aging"}
    PSD95 -->|"activates"| Aging
    PSD95 -->|"activates"| Als
    Ms{"Ms"}
    PSD95 -->|"activates"| Ms
    PSD95 -->|"expressed in"| Ms
    NLGN1["NLGN1"]
    NLGN1 -->|"interacts with"| PSD95
    CN2097["CN2097"]
    CN2097 -->|"interacts with"| PSD95
    SYN3["SYN3"]
    SYN3 -->|"interacts with"| PSD95
    MMP9["MMP9"]
    MMP9 -->|"expressed in"| PSD95
    ALZHEIMER_S_DISEASE["ALZHEIMER'S DISEASE"]
    ALZHEIMER_S_DISEASE -->|"expressed in"| PSD95
    RELA["RELA"]
    RELA -->|"associated with"| PSD95
    OPA1["OPA1"]
    OPA1 -->|"expressed in"| PSD95
    P62["P62"]
    P62 -->|"associated with"| PSD95
    MFN2["MFN2"]
    MFN2 -->|"expressed in"| PSD95
    MBP["MBP"]
    MBP -->|"expressed in"| PSD95
    SYN1["SYN1"]
    SYN1 -->|"activates"| PSD95
    INFLAMMATION["INFLAMMATION"]
    INFLAMMATION -->|"activates"| PSD95
    style PSD95 fill:#1a3a4a,stroke:#4fc3f7,stroke-width:3px,color:#e0e0e0

Outgoing (303)

TargetRelationTypeStr
Alsactivatesdisease0.85
Synaptic Plasticityinvolved_inprocess0.85
Synaptic Functioninvolved_inprocess0.80
Neuronal Damageprotects_againstprocess0.80
Alzheimer's diseaseimplicated_indisease0.80

Incoming (220)

SourceRelationTypeStr
NPFFupregulatesprotein0.90
CCL5upregulatesprotein0.88
Levomilnacipranupregulatesdrug0.85
Copperinhibitscompound0.85
Surgerydownregulatesprocess0.85

Targeting Hypotheses (1)

Hypotheses where this entity is a therapeutic target

HypothesisScoreDiseaseAnalysis
Hippocampal CA3-CA1 synaptic rescue via DHHC2-mediated PSD95 0.695 Alzheimer's disease Circuit-level neural dynamics in neurode

Mentioning Analyses (4)

Scientific analyses that reference this entity

Tau propagation mechanisms and therapeutic interception points

neurodegeneration | 2026-04-04 | 7 hypotheses Top: 0.487

Circuit-level neural dynamics in neurodegeneration

neuroscience | 2026-04-03 | 49 hypotheses Top: 0.709

Neuroinflammation resolution mechanisms and pro-resolving mediators

neurodegeneration | 2026-04-01 | 7 hypotheses Top: 0.552

APOE4 structural biology and therapeutic targeting strategies

neurodegeneration | 2026-04-01 | 7 hypotheses Top: 0.595

Related Papers (10)

Scientific publications cited in analyses involving this entity

Title & PMIDAuthorsJournalYearCitations
Zhi-Gan Formula improved insomnia and anxiety comorbidity in a mouse model via P [PMID:41525914] Liu R, Wu Z, Yin Y, Song C, Zhang C et a J Ethnopharmacol 2026 0
Triterpenoid saponins from Platycodon grandiflorus exhibit antidepressant-like e [PMID:41539634] Yoon S, Chun E, Iqbal H, Kim SH, Kim SY J Ethnopharmacol 2026 0
Integrative GWAS identifies novel loci and genetic links between psychiatric and [PMID:41927769] Song Y, Jiang Y, Tian H, Glessner J, Hak Mol Psychiatry 2026 0
Designed Liquid Crystalline Nanoassemblies From Clinically Validated Polyunsatur [PMID:41937329] Akanchise T, Luo F, Angelov B, Deng Y, A Adv Healthc Mater 2026 0
Single transient exposure to low-frequency low-intensity electrical stimulation [PMID:41942002] Marcotto GS, Borghetti M, Bitraj J, Cava Neuropharmacology 2026 0
Serpina1e mediates the exercise-induced enhancement of hippocampal memory in mal [PMID:41957371] Kim H, Shin S, Han J, Yun K, Kim JS et a Nat Commun 2026 0
Ubiquinol Ameliorates Social Disruption-induced Behavioral Changes via Modulatin [PMID:41962635] Chen CW, Huang BR, Yeh WL, Huang SS, Cha Behav Brain Res 2026 0
Dietary Advanced Glycation End Products Induced Anxiety- and Depression-like Beh [PMID:41962780] Ma T, He Z, Yang G, Cai J, Qin LQ et al. J Nutr Biochem 2026 0
BDNF Protects Against Neuronal Damage Induced by TNF and β-Amyloid Peptides by T [PMID:41964857] Ramírez-Olvera A, Almazán JL, Pérez-Mart Neurochemical research 2026 0
Nanopiezoelectric 3D-Bioprinted Neural Organoid Models Epileptic Neuron-Microgli [PMID:41877549] Chu J, Hu K, Lee WF, Xu SJ, Sun Z, Xu Y, Nano letters 2026 0