Entity Detail — Knowledge Graph Node
This page aggregates everything SciDEX knows about PS1: 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.
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| Gene Symbol | PSEN1 |
| Full Name | Presenilin 1 |
| Aliases | PS1, AD3, FAD |
| Chromosome | 14q24.3 |
| Protein Type | Integral membrane protease |
| Function | Catalytic subunit of gamma-secretase complex; cleaves amyloid precursor protein (APP) to generate amyloid-beta peptides. Mutations cause early-onset familial Alzheimer's disease. |
| Molecular Weight | 52 kDa |
| Amino Acids | 467 aa |
| Pathways | Amyloid processing, Notch signaling, Wnt signaling, Autophagy |
| UniProt ID | P49768 |
| NCBI Gene ID | 5663 |
| Ensembl ID | ENSG00000080815 |
| OMIM | 104311 |
| GeneCards | PSEN1 |
| Human Protein Atlas | PSEN1 |
| Associated Diseases | Alzheimer's disease, Huntington's disease, neurodegeneration, neuroinflammation, Parkinson's disease |
| Known Drugs/Compounds | aducanumab, donepezil, GINSENOSIDE_RO, lithium, metformin, nicotinamide |
| Interactions | ABCA1, ADAM10, ADRB2, AMPK, APOE, APOE4 |
| KG Connections | 261 knowledge graph edges |
| Databases | GeneCardsHPASTRING |
Knowledge base pages for this entity
graph TD
PS1["PS1"] -->|"risk factor for"| Familial_Alzheimer_s_Disease["Familial Alzheimer's Disease"]
style Familial_Alzheimer_s_Disease fill:#1a2a3a,stroke:#ef5350,stroke-width:1px,color:#fff
PS1["PS1"] -->|"causes"| Mitochondrial_Dysfunction["Mitochondrial Dysfunction"]
style Mitochondrial_Dysfunction fill:#1a2a3a,stroke:#ffd54f,stroke-width:1px,color:#fff
PS1["PS1"] -->|"expressed in"| microglia["microglia"]
style microglia fill:#1a2a3a,stroke:#4fc3f7,stroke-width:1px,color:#fff
PS1["PS1"] -->|"expressed in"| neurons["neurons"]
style neurons fill:#1a2a3a,stroke:#4fc3f7,stroke-width:1px,color:#fff
PS1["PS1"] -->|"expressed in"| astrocytes["astrocytes"]
style astrocytes fill:#1a2a3a,stroke:#4fc3f7,stroke-width:1px,color:#fff
PS1["PS1"] -->|"associated"| Alzheimer_s_disease["Alzheimer's disease"]
style Alzheimer_s_disease fill:#1a2a3a,stroke:#ef5350,stroke-width:1px,color:#fff
PS1["PS1"] -->|"participates in"| oxidative_stress_response["oxidative stress response"]
style oxidative_stress_response fill:#1a2a3a,stroke:#81c784,stroke-width:1px,color:#fff
APP["APP"] -->|"protects against"| PS1["PS1"]
style APP fill:#1a2a3a,stroke:#ce93d8,stroke-width:1px,color:#fff
AND["AND"] -->|"associated"| PS1["PS1"]
style AND fill:#1a2a3a,stroke:#ce93d8,stroke-width:1px,color:#fff
GFAP["GFAP"] -->|"associated"| PS1["PS1"]
style GFAP fill:#1a2a3a,stroke:#ce93d8,stroke-width:1px,color:#fff
BDNF["BDNF"] -->|"activates"| PS1["PS1"]
style BDNF fill:#1a2a3a,stroke:#ce93d8,stroke-width:1px,color:#fff
ALS["ALS"] -->|"associated"| PS1["PS1"]
style ALS fill:#1a2a3a,stroke:#ce93d8,stroke-width:1px,color:#fff
style PS1 fill:#4a1a6b,stroke:#4fc3f7,stroke-width:2px,color:#e0e0e0,font-weight:bold| Target | Relation | Type | Str |
|---|---|---|---|
| Familial Alzheimer's Disease | risk_factor_for | disease | 0.95 |
| Mitochondrial Dysfunction | causes | process | 0.90 |
| microglia | expressed_in | cell_type | 0.90 |
| Alzheimer's disease | associated_with | disease | 0.90 |
| astrocytes | expressed_in | cell_type | 0.90 |
| oxidative stress response | participates_in | pathway | 0.90 |
| neurons | expressed_in | cell_type | 0.90 |
| ubiquitin-proteasome | participates_in | pathway | 0.90 |
| autophagy pathway | participates_in | pathway | 0.80 |
| neurodegeneration | inhibits | disease | 0.80 |
| synaptic plasticity | participates_in | pathway | 0.80 |
| neurodegeneration | activates | disease | 0.80 |
| unfolded protein response | participates_in | pathway | 0.75 |
| glymphatic clearance | participates_in | pathway | 0.75 |
| senescence | participates_in | pathway | 0.75 |
| neurotrophin signaling | participates_in | pathway | 0.75 |
| NAD+ metabolism | participates_in | pathway | 0.75 |
| neurodegeneration | associated_with | disease | 0.70 |
| Alzheimer's disease | regulates | disease | 0.70 |
| ferroptosis | participates_in | pathway | 0.70 |
| mitochondrial function | participates_in | pathway | 0.70 |
| neuroinflammation | inhibits | disease | 0.70 |
| Parkinson's disease | associated_with | disease | 0.65 |
| Huntington's disease | associated_with | disease | 0.65 |
| SOD1 | associated_with | gene | 0.65 |
| sphingolipid metabolism | participates_in | pathway | 0.65 |
| pericytes | expressed_in | cell_type | 0.65 |
| SQSTM1 | activates | gene | 0.60 |
| SYP | activates | gene | 0.60 |
| TFEB | activates | gene | 0.60 |
| TNF | activates | gene | 0.60 |
| TGF | inhibits | gene | 0.60 |
| Alzheimer's disease | causes | disease | 0.60 |
| SIRT3 | expressed_in | gene | 0.60 |
| SIRT3 | activates | gene | 0.60 |
| SIRT3 | associated_with | gene | 0.60 |
| complement cascade | participates_in | pathway | 0.60 |
| neuroinflammation | causes | disease | 0.60 |
| Alzheimer's disease | interacts_with | disease | 0.60 |
| PTN | expressed_in | gene | 0.60 |
| neuroinflammation | activates | disease | 0.60 |
| SQSTM1 | biomarker_for | gene | 0.60 |
| apoptosis pathway | participates_in | pathway | 0.60 |
| lipid metabolism | participates_in | pathway | 0.60 |
| neuroinflammation | protects_against | disease | 0.60 |
| SYP | regulates | gene | 0.60 |
| neuroinflammation | regulates | disease | 0.60 |
| SREBF2 | regulates | gene | 0.60 |
| neuroinflammation | associated_with | disease | 0.60 |
| epigenetic regulation | participates_in | pathway | 0.60 |
| Source | Relation | Type | Str |
|---|---|---|---|
| APP | associated_with | gene | 0.90 |
| APP | activates | gene | 0.90 |
| APP | inhibits | gene | 0.90 |
| APP | regulates | gene | 0.90 |
| APP | protects_against | gene | 0.90 |
| APP | expressed_in | gene | 0.80 |
| APP | interacts_with | protein | 0.80 |
| ALZHEIMER'S_DISEASE | associated_with | disease | 0.80 |
| GINSENOSIDE_RO | inhibits | compound | 0.80 |
| AND | associated_with | gene | 0.70 |
| GFAP | associated_with | gene | 0.70 |
| ALS | associated_with | gene | 0.65 |
| BDNF | activates | gene | 0.65 |
| NRG1 | regulates | gene | 0.60 |
| AMPK | inhibits | gene | 0.60 |
| NLRP3 | inhibits | gene | 0.60 |
| LAMP2 | activates | gene | 0.60 |
| LC3 | activates | gene | 0.60 |
| NRG1 | associated_with | gene | 0.60 |
| NRG1 | activates | gene | 0.60 |
| CD36 | associated_with | gene | 0.60 |
| NLRP3 | associated_with | gene | 0.60 |
| BACE1 | cleaves | gene | 0.60 |
| donepezil | targets | drug | 0.60 |
| metformin | targets | drug | 0.60 |
| NAD | biomarker_for | gene | 0.60 |
| BACE1 | activates | gene | 0.60 |
| CD36 | inhibits | gene | 0.60 |
| PPAR | regulates | gene | 0.60 |
| PPAR | associated_with | gene | 0.60 |
| DNA | regulates | gene | 0.60 |
| ATP | regulates | gene | 0.60 |
| APP | phosphorylates | gene | 0.60 |
| PP2A | phosphorylates | gene | 0.60 |
| GFAP | interacts_with | gene | 0.60 |
| CD36 | expressed_in | gene | 0.60 |
| AMPK | regulates | gene | 0.60 |
| NEP | activates | gene | 0.60 |
| GLI | activates | gene | 0.60 |
| LC3B | biomarker_for | gene | 0.60 |
| P21 | expressed_in | gene | 0.60 |
| P2X7 | inhibits | gene | 0.60 |
| GLI2 | activates | gene | 0.60 |
| FKBP5 | activates | gene | 0.60 |
| DKK1 | associated_with | gene | 0.60 |
| ADAM10 | regulates | gene | 0.60 |
| GAPDH | activates | gene | 0.60 |
| NAD | inhibits | gene | 0.60 |
| LC3B | associated_with | gene | 0.60 |
| CD68 | inhibits | gene | 0.60 |
Hypotheses where this entity is a therapeutic target
| Hypothesis | Score | Disease | Analysis |
|---|---|---|---|
| No targeting hypotheses | |||
Scientific analyses that reference this entity
No analyses mention this entity
Experimental studies targeting or related to this entity
| Experiment | Type | Disease | Score | Feasibility | Model | Status | Est. Cost |
|---|---|---|---|---|---|---|---|
| No experiments found | |||||||
Scientific publications cited in analyses involving this entity
| Title & PMID | Authors | Journal | Year | Citations |
|---|---|---|---|---|
| No papers found | ||||
Multi-agent debates referencing this entity
No debates reference this entity