Entity Detail — Knowledge Graph Node
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.
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.
| Gene Symbol | PSD95 |
| Full Name | DLG4 |
| Chromosome | 8p12 [@migaud1998] |
| Protein Type | Gene |
| Function | is an important component in the neurobiology of neurodegenerative diseases. |
| Pathways | Apoptosis, Astrocyte Reactivity, Dendritic Spine, Epigenetic, Long-Term Potentiation |
| UniProt ID | P78352 |
| NCBI Gene ID | 1749 |
| Ensembl ID | ENSG00000132535 |
| GeneCards | PSD95 |
| Human Protein Atlas | PSD95 |
| Associated Diseases | ALS, Alzheimer, Alzheimer's disease |
| Known Drugs/Compounds | CN2097, SYN3, rapamycin |
| Interactions | KEAP1, NRF2, APOE, SYP, SNAP25, MTOR |
| KG Connections | 523 knowledge graph edges |
| Databases | GeneCardsHPASTRING |
Knowledge base pages for this entity
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| Target | Relation | Type | Str |
|---|---|---|---|
| Als | activates | disease | 0.85 |
| Synaptic Plasticity | involved_in | process | 0.85 |
| Synaptic Function | involved_in | process | 0.80 |
| Neuronal Damage | protects_against | process | 0.80 |
| Alzheimer's disease | implicated_in | disease | 0.80 |
| Als | treats | disease | 0.75 |
| Neurodegeneration | treats | disease | 0.75 |
| BDNF | regulates | protein | 0.72 |
| AKT | activates | gene | 0.70 |
| UBIQUITIN | inhibits | protein | 0.70 |
| hippocampus | expressed_in | brain_region | 0.70 |
| Retinal Degeneration | activates | disease | 0.65 |
| glutamate signaling | participates_in | pathway | 0.65 |
| Alzheimer | expressed_in | disease | 0.65 |
| Dementia | expressed_in | disease | 0.65 |
| Als | expressed_in | disease | 0.65 |
| Anxiety | activates | disease | 0.65 |
| Inflammation | activates | disease | 0.65 |
| Depression | activates | disease | 0.65 |
| Alzheimer | activates | disease | 0.65 |
| Aging | activates | disease | 0.65 |
| Ms | activates | disease | 0.65 |
| Ms | expressed_in | disease | 0.65 |
| Schizophrenia | expressed_in | disease | 0.65 |
| Traumatic Brain Injury | treats | disease | 0.65 |
| Epilepsy | activates | disease | 0.65 |
| Aging | treats | disease | 0.65 |
| Neuroinflammation | treats | disease | 0.65 |
| Inflammation | treats | disease | 0.65 |
| Stroke | activates | disease | 0.65 |
| Ischemia | activates | disease | 0.65 |
| Neuroinflammation | protects_against | disease | 0.65 |
| Als | protects_against | disease | 0.65 |
| Neurodegeneration | protects_against | disease | 0.65 |
| Inflammation | protects_against | disease | 0.65 |
| Aging | therapeutic_target | disease | 0.65 |
| Tauopathy | therapeutic_target | disease | 0.65 |
| Neuroinflammation | therapeutic_target | disease | 0.65 |
| Inflammation | therapeutic_target | disease | 0.65 |
| Alzheimer | therapeutic_target | disease | 0.65 |
| Neurodegeneration | therapeutic_target | disease | 0.65 |
| Neuroinflammation | activates | disease | 0.65 |
| Neurodegeneration | activates | disease | 0.65 |
| Alzheimer | inhibits | disease | 0.65 |
| Aging | inhibits | disease | 0.65 |
| Als | associated_with | disease | 0.65 |
| Obesity | activates | disease | 0.65 |
| Depression | inhibits | disease | 0.65 |
| Neuroinflammation | inhibits | disease | 0.65 |
| Traumatic Brain Injury | activates | disease | 0.65 |
| Source | Relation | Type | Str |
|---|---|---|---|
| NPFF | upregulates | protein | 0.90 |
| CCL5 | upregulates | protein | 0.88 |
| Levomilnacipran | upregulates | drug | 0.85 |
| Copper | inhibits | compound | 0.85 |
| Surgery | downregulates | process | 0.85 |
| NLGN1 | interacts_with | gene | 0.80 |
| SLC17A7 | functionally_coupled_to | gene | 0.80 |
| Copper | downregulates | compound | 0.80 |
| CN2097 | interacts_with | drug | 0.72 |
| SYN3 | interacts_with | drug | 0.72 |
| SYNAPTOPHYSIN | activates | gene | 0.70 |
| APP | interacts_with | gene | 0.70 |
| APP | regulates | gene | 0.70 |
| BDNF | stabilizes | gene | 0.70 |
| NEURODEGENERATION | treats | gene | 0.70 |
| CREB | activates | gene | 0.70 |
| WNT SIGNALING | inhibits | pathway | 0.70 |
| MTOR | activates | gene | 0.65 |
| HIPPOCAMPUS | increases | brain_region | 0.65 |
| CA1 | regulates | brain_region | 0.65 |
| NEURONS | treats | cell_type | 0.65 |
| ALZHEIMER'S DISEASE | associated_with | disease | 0.64 |
| MICROGLIA | associated_with | cell_type | 0.64 |
| MMP9 | expressed_in | gene | 0.60 |
| RELA | associated_with | gene | 0.60 |
| OPA1 | expressed_in | gene | 0.60 |
| P62 | associated_with | gene | 0.60 |
| MFN2 | expressed_in | gene | 0.60 |
| MBP | expressed_in | gene | 0.60 |
| SYN1 | activates | gene | 0.60 |
| APOE4 | activates | gene | 0.60 |
| DISC1 | activates | gene | 0.60 |
| SYNAPTOPHYSIN | inhibits | gene | 0.60 |
| CCL5 | inhibits | gene | 0.60 |
| SYNAPTOPHYSIN | associated_with | gene | 0.60 |
| BAX | treats | gene | 0.60 |
| SYNAPTOPHYSIN | biomarker_for | gene | 0.60 |
| JNK | treats | gene | 0.60 |
| PTEN | activates | gene | 0.60 |
| CDK5 | activates | gene | 0.60 |
| JNK | activates | gene | 0.60 |
| NRXN3 | protects_against | gene | 0.60 |
| PDHA1 | protects_against | gene | 0.60 |
| BDNF | activates | gene | 0.60 |
| PRKAA1 | protects_against | gene | 0.60 |
| SOD2 | protects_against | gene | 0.60 |
| SOD1 | protects_against | gene | 0.60 |
| NLGN2 | protects_against | gene | 0.60 |
| PP2A | therapeutic_target | gene | 0.60 |
| NLRP3 | activates | gene | 0.60 |
Hypotheses where this entity is a therapeutic target
| Hypothesis | Score | Disease | Analysis |
|---|---|---|---|
| Hippocampal CA3-CA1 synaptic rescue via DHHC2-mediated PSD95 | 0.695 | Alzheimer's disease | Circuit-level neural dynamics in neurode |
Scientific analyses that reference this entity
neurodegeneration | 2026-04-04 | 7 hypotheses Top: 0.487
neuroscience | 2026-04-03 | 49 hypotheses Top: 0.709
neurodegeneration | 2026-04-01 | 7 hypotheses Top: 0.552
neurodegeneration | 2026-04-01 | 7 hypotheses Top: 0.595
Scientific publications cited in analyses involving this entity
| Title & PMID | Authors | Journal | Year | Citations |
|---|---|---|---|---|
| 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 |