protein

PI3K

Entity Detail — Knowledge Graph Node

Understanding Entity Pages

This page aggregates everything SciDEX knows about PI3K: 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.

6862Connections
2Hypotheses
8Analyses
50Outgoing
50Incoming
1Experiments
10Debates

Summary

A protein referenced in 2 knowledge graph relationships. Key connections: activates AKT (protein); SYK_kinase (protein) activates.

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🔬 Protein Info
Gene SymbolPI3K
Full NamePhosphoinositide 3-Kinase
AliasesPhosphatidylinositol 3-kinase, VPS34
ChromosomeVarious (multiple genes across classes)
Protein TypeKinase
FunctionClass I PI3Ks: Generate PIP3 from PIP2 - Activated by receptor tyrosine kinases (RTKs), G-protein coupled receptors (GPCRs), and small GTPases (Ras) - p110α (PIK3CA): growth factor signaling
PathwaysAUTOPHAGY, LIPID METABOLISM, OXIDATIVE_STRESS, PI3K/AKT, PI3K_AKT_MTOR_pathway
NCBI Gene ID5290
GeneCardsPI3K
Human Protein AtlasPI3K
Associated DiseasesAD, aging, Als, Alzheimer
Known Drugs/CompoundsAFB1, alpelisib, Apitolisib, BERBERINE, CAMP, carvone
Interactions6-OHDA, ABCA1, ABCG1, ACAT1, ACHE, ACLY
KG Connections4925 knowledge graph edges
DatabasesGeneCardsUniProtHPASTRING

Wiki Pages (8)

Knowledge base pages for this entity

Canonical Page

PI3K — Phosphoinositide 3-Kinase

gene · 1532 words

PI3K/Akt Activator Clinical Trials for Parkinson's Disease

clinical · 2599 words

PI3K/Akt Signaling in Neurodegeneration

mechanism · 1803 words

PI3K-Akt Signaling in Parkinson's Disease

mechanism · 1706 words

PI3K/Akt Signaling in Parkinson's Disease

mechanism · 1674 words

PI3K/AKT/mTOR Signaling Pathway in Neurodegeneration

mechanism · 1115 words

Pathway Diagram

graph TD
    subgraph Pathology["Pathology"]
        PI3K["PI3K"] -->|"associated with"| CANCER["CANCER"]
    end
    subgraph Signaling["Signaling"]
        PI3K["PI3K"] -->|"activates"| AKT["AKT"]
        PI3K["PI3K"] -.->|"inhibits"| MTOR["MTOR"]
        PI3K["PI3K"] -.->|"inhibits"| AKT_1["AKT"]
        PI3K["PI3K"] -.->|"inhibits"| GENES["GENES"]
        PI3K["PI3K"] -.->|"inhibits"| Als["Als"]
        PI3K["PI3K"] -.->|"inhibits"| Autophagy["Autophagy"]
        PI3K["PI3K"] -.->|"inhibits"| Mtor["Mtor"]
        PI3K["PI3K"] -->|"activates"| Cancer["Cancer"]
        PTEN["PTEN"] -.->|"inhibits"| PI3K["PI3K"]
        PTEN_2["PTEN"] -->|"activates"| PI3K["PI3K"]
        AKT_4["AKT"] -->|"activates"| PI3K["PI3K"]
        MTOR_5["MTOR"] -->|"activates"| PI3K["PI3K"]
        TNF["TNF"] -->|"activates"| PI3K["PI3K"]
    end
    subgraph Therapeutic["Therapeutic"]
        PTEN_3["PTEN"] -->|"therapeutic target"| PI3K["PI3K"]
    end
    style PI3K fill:#006494,stroke:#4fc3f7,stroke-width:3px,color:#e0e0e0,font-weight:bold
    style CANCER fill:#ef5350,stroke:#4fc3f7,stroke-width:1px,color:#e0e0e0
    style AKT fill:#006494,stroke:#4fc3f7,stroke-width:1px,color:#e0e0e0
    style MTOR fill:#4a1a6b,stroke:#4fc3f7,stroke-width:1px,color:#e0e0e0
    style AKT_1 fill:#4a1a6b,stroke:#4fc3f7,stroke-width:1px,color:#e0e0e0
    style GENES fill:#4a1a6b,stroke:#4fc3f7,stroke-width:1px,color:#e0e0e0
    style Als fill:#ef5350,stroke:#4fc3f7,stroke-width:1px,color:#e0e0e0
    style Autophagy fill:#1b5e20,stroke:#4fc3f7,stroke-width:1px,color:#e0e0e0
    style Mtor fill:#1b5e20,stroke:#4fc3f7,stroke-width:1px,color:#e0e0e0
    style Cancer fill:#ef5350,stroke:#4fc3f7,stroke-width:1px,color:#e0e0e0
    style PTEN fill:#4a1a6b,stroke:#4fc3f7,stroke-width:1px,color:#e0e0e0
    style PTEN_2 fill:#4a1a6b,stroke:#4fc3f7,stroke-width:1px,color:#e0e0e0
    style PTEN_3 fill:#4a1a6b,stroke:#4fc3f7,stroke-width:1px,color:#e0e0e0
    style AKT_4 fill:#4a1a6b,stroke:#4fc3f7,stroke-width:1px,color:#e0e0e0
    style MTOR_5 fill:#4a1a6b,stroke:#4fc3f7,stroke-width:1px,color:#e0e0e0
    style TNF fill:#4a1a6b,stroke:#4fc3f7,stroke-width:1px,color:#e0e0e0

Outgoing (3504)

TargetRelationTypeStr
Mtorassociated_withpathway1.00
CANCERassociated_withdisease1.00
Stem Cellregulatespathway1.00
Mtoractivatespathway1.00
Mtortherapeutic_targetpathway1.00

Incoming (3358)

SourceRelationTypeStr
NEURODEGENERATIONactivatesgene1.00
NF-KBassociated_withprotein1.00
ROSregulatesprocess1.00
AKTregulatesgene1.00
MTORactivatesgene1.00

Targeting Hypotheses (2)

Hypotheses where this entity is a therapeutic target

HypothesisScoreDiseaseAnalysis
TREM2-DAP12 Signalosome Enhancement — Boosting PI3K-AKT-mTOR 0.718 Alzheimer's disease TREM2 agonism vs antagonism in DAM micro
CD44-Mediated Src/PI3K/Akt Signaling Cascade 0.470 neuroinflammation What molecular mechanisms mediate SPP1-i

Mentioning Analyses (8)

Scientific analyses that reference this entity

Do β-amyloid plaques and neurofibrillary tangles cause or result from cholinergi

neurodegeneration | 2026-04-12 | 3 hypotheses Top: 0.887

Tau propagation mechanisms and therapeutic interception points

neurodegeneration | 2026-04-04 | 15 hypotheses Top: 0.814

Gene expression changes in aging mouse brain predicting neurodegenerative vulner

neurodegeneration | 2026-04-03 | 45 hypotheses Top: 0.990

SEA-AD Gene Expression Profiling — Allen Brain Cell Atlas

neurodegeneration | 2026-04-02 | 5 hypotheses Top: 0.761

Synaptic pruning by microglia in early AD

neurodegeneration | 2026-04-01 | 7 hypotheses Top: 0.703

Experiments (1)

Experimental studies targeting or related to this entity

ExperimentTypeDiseaseScoreFeasibilityModelStatusEst. Cost
Single-cell RNA sequencing of microglial states in AD hippocampus exploratory Alzheimer's disease 0.850 0.00 AD mouse hippocampus proposed N/A

Related Papers (0)

Scientific publications cited in analyses involving this entity

Title & PMIDAuthorsJournalYearCitations
No papers found

Debates (10)

Multi-agent debates referencing this entity

The abstract explicitly questions whether AD's hallmark pathologies induce choli

closed · Rounds: 4 · Score: 0.79 · 2026-04-12

Investigate prion-like spreading of tau pathology through connected brain region

closed · Rounds: 4 · Score: 0.90 · 2026-04-12

PSP and CBD both involve 4R-tau but produce distinct neuropathological patterns

closed · Rounds: 4 · Score: 0.69 · 2026-04-12

PSP and CBD both involve 4R-tau but produce distinct neuropathological patterns

closed · Rounds: 7 · Score: 0.91 · 2026-04-10

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

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

Analysis question not specified

closed · Rounds: 4 · Score: 0.87 · 2026-04-06

Synaptic pruning by microglia in early AD

closed · Rounds: 4 · Score: 0.95 · 2026-04-06

Tau propagation mechanisms and therapeutic interception points

closed · Rounds: 3 · Score: 0.95 · 2026-04-04

What gene expression changes in the aging mouse brain predict neurodegenerative

closed · Rounds: 4 · Score: 0.95 · 2026-04-03

Cell-type specific expression patterns of neurodegeneration genes in SEA-AD

closed · Rounds: 3 · Score: 0.68 · 2026-04-02

Related Research

Hypotheses and analyses mentioning PI3K in their description or question text

No additional research found