protein

CHOLESTEROL

Entity Detail — Knowledge Graph Node

Understanding Entity Pages

This page aggregates everything SciDEX knows about CHOLESTEROL: 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.

1851Connections

16Hypotheses

0Analyses

50Outgoing

50Incoming

6Experiments

0Debates

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🔬 Protein Info

Gene Symbol	CHOLESTEROL
Associated Diseases	ALZHEIMER'S DISEASE, COGNITIVE DECLINE, DEPRESSION, GLUTAMATE, IMMUNE RESPONSE, LYSOSOMAL DYSFUNCTION
Known Drugs/Compounds	DEXAMETHASONE, LUTEOLIN, RAPAMYCIN
KG Connections	299 knowledge graph edges
Databases	GeneCards UniProt NCBI Gene HPA STRING

Pathway Diagram

graph TD
    CHOLESTEROL["CHOLESTEROL"] -->|"correlated with"| DEPRESSION["DEPRESSION"]
    style DEPRESSION fill:#1a2a3a,stroke:#ef5350,stroke-width:1px,color:#fff
    CHOLESTEROL["CHOLESTEROL"] -->|"triggers"| inflammasome_activation["inflammasome activation"]
    style inflammasome_activation fill:#1a2a3a,stroke:#ffd54f,stroke-width:1px,color:#fff
    CHOLESTEROL["CHOLESTEROL"] -->|"destabilizes"| LDLR["LDLR"]
    style LDLR fill:#1a2a3a,stroke:#ce93d8,stroke-width:1px,color:#fff
    CHOLESTEROL["CHOLESTEROL"] -->|"activates"| PARKINSON_S_DISEASE["PARKINSON'S DISEASE"]
    style PARKINSON_S_DISEASE fill:#1a2a3a,stroke:#ef5350,stroke-width:1px,color:#fff
    CHOLESTEROL["CHOLESTEROL"] -->|"interacts"| PROTEIN_AGGREGATION["PROTEIN AGGREGATION"]
    style PROTEIN_AGGREGATION fill:#1a2a3a,stroke:#ffd54f,stroke-width:1px,color:#fff
    CHOLESTEROL["CHOLESTEROL"] -->|"regulates"| BACE1["BACE1"]
    style BACE1 fill:#1a2a3a,stroke:#ce93d8,stroke-width:1px,color:#fff
    CHOLESTEROL["CHOLESTEROL"] -->|"stabilizes"| SYNAPTIC_PLASTICITY["SYNAPTIC PLASTICITY"]
    style SYNAPTIC_PLASTICITY fill:#1a2a3a,stroke:#ffd54f,stroke-width:1px,color:#fff
    APOE["APOE"] -->|"transports"| CHOLESTEROL["CHOLESTEROL"]
    style APOE fill:#1a2a3a,stroke:#ce93d8,stroke-width:1px,color:#fff
    CYP46A1["CYP46A1"] -->|"metabolizes"| CHOLESTEROL["CHOLESTEROL"]
    style CYP46A1 fill:#1a2a3a,stroke:#ce93d8,stroke-width:1px,color:#fff
    LRP1["LRP1"] -->|"transports"| CHOLESTEROL["CHOLESTEROL"]
    style LRP1 fill:#1a2a3a,stroke:#ce93d8,stroke-width:1px,color:#fff
    CA1["CA1"] -->|"regulates"| CHOLESTEROL["CHOLESTEROL"]
    style CA1 fill:#1a2a3a,stroke:#4fc3f7,stroke-width:1px,color:#fff
    DEXAMETHASONE["DEXAMETHASONE"] -->|"activates"| CHOLESTEROL["CHOLESTEROL"]
    style DEXAMETHASONE fill:#1a2a3a,stroke:#81c784,stroke-width:1px,color:#fff
    style CHOLESTEROL fill:#006494,stroke:#4fc3f7,stroke-width:2px,color:#e0e0e0,font-weight:bold

Outgoing (395)

Target	Relation	Type	Str
Astrocyte	regulates	cell_type	0.80
inflammatory escalation	promotes	process	0.80
CEREBELLUM	associated_with	brain_region	0.70
OPTN	inhibits	protein	0.70
PINK1	activates	protein	0.70
SYNAPTIC PLASTICITY	inhibits	phenotype	0.70
PROTEIN AGGREGATION	interacts_with	phenotype	0.70
BACE1	regulates	gene	0.70
PARKINSON'S DISEASE	activates	disease	0.70
BDNF	destabilizes	gene	0.70
ASTROCYTE	produces	cell_type	0.70
LDLR	destabilizes	gene	0.70
APOE	produces	gene	0.70
LDLR	causes	gene	0.70
MEMORY LOSS	activates	phenotype	0.70
APOE	protects_against	gene	0.70
DEMENTIA	interacts_with	disease	0.70
SYNAPTIC PLASTICITY	stabilizes	phenotype	0.70
DOPAMINE	inhibits	phenotype	0.70
MEMORY LOSS	inhibits	phenotype	0.70
LYSOSOMAL DYSFUNCTION	regulates	phenotype	0.65
NLRP3 INFLAMMASOME	regulates	pathway	0.65
SENESCENCE	causes	phenotype	0.65
PYROPTOSIS	causes	phenotype	0.65
INSULIN RESISTANCE	treats	phenotype	0.65
HEDGEHOG SIGNALING	inhibits	pathway	0.65
LUTEOLIN	inhibits	drug	0.65
LDLR	treats	gene	0.65
NEURONS	produces	cell_type	0.65
NICOTINAMIDE	causes	drug	0.65
OXIDATIVE STRESS	transports	phenotype	0.65
MULTIPLE SCLEROSIS	causes	disease	0.65
PYROPTOSIS	regulates	phenotype	0.65
AUTOPHAGY	protects_against	phenotype	0.65
CYP46A1	encodes	gene	0.65
NEUROINFLAMMATION	exacerbates	phenotype	0.65
LYSOSOMAL DYSFUNCTION	causes	phenotype	0.65
PROTEIN AGGREGATION	activates	phenotype	0.65
HMGCR	destabilizes	gene	0.65
CEREBRAL CORTEX	interacts_with	brain_region	0.65
DEMYELINATION	treats	phenotype	0.65
LRRK2	activates	gene	0.65
BDNF	protects_against	gene	0.65
ALZHEIMER'S DISEASE	increases_risk	disease	0.65
LRRK2	regulates	gene	0.65
WHITE MATTER	causes	brain_region	0.65
WHITE MATTER	activates	brain_region	0.65
NEURONS	causes	cell_type	0.65
NEURONS	treats	cell_type	0.65
CORTEX	interacts_with	brain_region	0.65

Incoming (1456)

Source	Relation	Type	Str
Cancer	therapeutic_target	disease	1.00
Cardiovascular	regulates	disease	1.00
Inflammation	activates	disease	1.00
GENES	regulates	gene	1.00
Cancer	regulates	disease	1.00
Inflammation	regulates	disease	1.00
Atherosclerosis	regulates	disease	1.00
Als	inhibits	disease	1.00
CANCER	regulates	gene	1.00
Als	regulates	disease	1.00
APOE	activates	gene	1.00
AUTOPHAGY	activates	gene	1.00
Als	associated_with	disease	1.00
MIRNAS	regulates	gene	1.00
CANCER	therapeutic_target	gene	1.00
INFLAMMATION	activates	gene	1.00
APOE	inhibits	gene	1.00
Als	activates	disease	1.00
ALZHEIMER'S DISEASE	activates	gene	1.00
Alzheimer	therapeutic_target	disease	1.00
Atherosclerosis	inhibits	disease	1.00
AKT	activates	gene	1.00
APOE	associated_with	gene	1.00
Inflammation	therapeutic_target	disease	1.00
MICRORNAS	regulates	gene	1.00
Diabetes	activates	disease	1.00
Atherosclerosis	associated_with	disease	0.95
36385529	aberrantly deposited in	paper	0.90
SREBF2	regulates	gene	0.90
LDL	inhibits	gene	0.90
Inflammation	associated_with	disease	0.90
Alzheimer	activates	disease	0.90
ALZHEIMER	activates	gene	0.90
EGFR	activates	gene	0.90
INFLAMMATION	therapeutic_target	gene	0.90
Atherosclerosis	activates	disease	0.90
AKT	inhibits	gene	0.90
OXIDATIVE STRESS	activates	gene	0.90
Cardiovascular	associated_with	disease	0.90
LDL	associated_with	gene	0.90
Obesity	regulates	disease	0.90
ALZHEIMER	therapeutic_target	gene	0.90
Aging	associated_with	disease	0.90
AUTOPHAGY	regulates	gene	0.90
GENES	activates	gene	0.90
Als	therapeutic_target	disease	0.90
LDL	activates	gene	0.90
Tumor	inhibits	disease	0.90
STROKE	activates	gene	0.90
Als	biomarker_for	disease	0.90

Targeting Hypotheses (16)

Hypotheses where this entity is a therapeutic target

Hypothesis	Score	Disease	Analysis
APOE4 astrocytes exhibit impaired cholesterol efflux via ABC	0.760	neuroscience	APOE4-driven lipid metabolism dysregulat
H3: APOE4 Impairs Cholesterol Trafficking, Triggering Astroc	0.720	neurodegeneration	Do APOE4-driven senescent astrocytes cau
Selective LXRβ agonists restore ABCA1/ABCG1 expression and A	0.710	neuroscience	APOE4-driven lipid metabolism dysregulat
Membrane Cholesterol Gradient Modulators	0.708	neurodegeneration	Lipid raft composition changes in synapt
APOE4-driven lysosome-to-ER cholesterol transport failure re	0.690	molecular biology	Does APOE4's reduced lipid-binding direc

APOE4 hypolipidation and ABCA1 mistrafficking impair cholest	0.680	molecular biology	Does APOE4's reduced lipid-binding direc
TREM2 R47H Metabolic Lock-in at Cholesterol Ester Accumulati	0.672	neuroimmunology	What is the temporal sequence of TREM2 s
TREM2-Mediated Cholesterol Dysregulation in Microglial Senes	0.666	neurodegeneration	Gene expression changes in aging mouse b
LXRβ-Selective Agonism to Simultaneously Enhance APOE Lipida	0.655	lipidomics	Lipid metabolism dysregulation in Alzhei
Cholesterol-CRISPR Convergence Therapy for Neurodegeneration	0.622	neurodegeneration	CRISPR-based therapeutic approaches for
APOE4 preferentially signals through LRP1 over LDLR, alterin	0.610	neuroscience	APOE4-driven lipid metabolism dysregulat
CYP46A1 Activation as a Therapeutic Strategy to Restore Neur	0.545	lipidomics	Lipid metabolism dysregulation in Alzhei
APOE4 astrocytes fail to supply sufficient cholesterol to pa	0.500	neuroscience	APOE4-driven lipid metabolism dysregulat
ApoE4-Mediated Failure of Cholesterol Efflux as Memory Maint	0.490	neuroinflammation	What specific astrocyte-derived factors
APOE4 alters the accessible-cholesterol threshold sensed by	0.420	molecular biology	Does APOE4's reduced lipid-binding direc
Poorly lipidated APOE4 particles are preferentially routed t	0.340	molecular biology	Does APOE4's reduced lipid-binding direc

Mentioning Analyses (0)

Scientific analyses that reference this entity

No analyses mention this entity

Experiments (6)

Experimental studies targeting or related to this entity

Experiment	Type	Disease	Score	Feasibility	Model	Status	Est. Cost
Unilateral ureteral obstruction model for hyperoside treatment	validation	chronic kidney disease	0.900	0.00	unilateral ureteral obstructio	proposed	N/A
Folic acid-induced nephropathy model for hyperoside renoprotection	validation	chronic kidney disease	0.900	0.00	folic acid-induced nephropathy	proposed	N/A
Hyperoside-ACAT1 direct binding interaction studies	exploratory	chronic kidney disease	0.850	0.00	in vitro protein-ligand bindin	proposed	N/A
L-carnitine rescue experiments in metabolic pathway	exploratory	chronic kidney disease	0.800	0.00	ACAT1 knockdown with L-carniti	proposed	N/A
Acat1 knockdown functional validation experiment	exploratory	chronic kidney disease	0.800	0.00	Acat1 knockdown cells/tissues	proposed	N/A
Metal Ion Homeostasis Dysregulation in Alzheimer's Disease	validation	Alzheimer's Disease	0.400	0.50	human	proposed	$2,730,000

Related Papers (20)

Scientific publications cited in analyses involving this entity

Title & PMID	Authors	Journal	Year	Citations
Metabolic orchestration of cell death by AMPK-mediated phosphorylation of RIPK1. [PMID:37384704]	Zhang T, Xu D, Trefts E, Lv M, Inuzuka H	Science	2023	1
TREM2, microglia, and Alzheimer's disease. [PMID:33516818]	Qin Q, Teng Z, Liu C, Li Q, Yin Y, Tang	Mech Ageing Dev	2021	1
Metformin Improves Mitochondrial Respiratory Activity through Activation of AMPK [PMID:31693892]	Wang Y, An H, Liu T, Qin C, Sesaki H, Gu	Cell Rep	2019	1
TREM2 Maintains Microglial Metabolic Fitness in Alzheimer's Disease. [PMID:28802038]	Ulland TK, Song WM, Huang SC, Ulrich JD,	Cell	2017	1
Enhancing TREM2 expression activates microglia and modestly mitigates tau pathol [PMID:40122810]	["Chen Kai", "Li Fuyao", "Zhang Shuwen",	Journal of neuroinflammation	2025	0
The cholesterol 24-hydroxylase CYP46A1 promotes α-synuclein pathology in Parkins [PMID:39964974]	Dai L, Wang J, Meng L, Zhang X, Xiao T,	PLoS biology	2025	0
Enhancing TREM2 expression activates microglia and modestly mitigates tau pathol [PMID:40122810]	["Chen Kai", "Li Fuyao", "Zhang Shuwen",	Journal of neuroinflammation	2025	0
HMGCR genetic variability in Parkinson's disease in a Spanish cohort: associatio [PMID:41037108]	Díaz-Belloso R, Martín-Bornez M, Macías-	Journal of neurology	2025	0
Development of Injectable Thermosensitive Nanocomposite Hydrogel for Ratiometric [PMID:38456789]	["Zhu J", "Wei R", "Hu G", "Wang H", "Wa	Small (Weinheim an der Bergstr	2024	0
The expanding world of neuroscience. [PMID:39423798]	Unknown	Cell	2024	0
25-Hydroxycholesterol attenuates tumor necrosis factor alpha-induced blood-brain [PMID:39181516]	Loiola RA, Nguyen C, Dib S, Saint-Pol J,	Biochimica et biophysica acta.	2024	0
RNA-Independent Regulatory Functions of lncRNA in Complex Disease. [PMID:39123456]	["Kafida M", "Karela M", "Giakountis A"]	Cancers	2024	0
Raccoon eyes [PMID:35789012]	Ning Junjie	Journal of Paediatrics and Chi	2023	0
Isolated Trapeziometacarpal Joint Dislocation With Five Years of Follow-up: A Ca [PMID:36891023]	["Missaoui Z", "Moussa M", "Boushnak M",	Cureus	2023	0
Exploring factors associated with preferences for human papillomavirus (HPV) sel [PMID:37234567]	["Xiong S", "Ghebre R", "Kulasingam S",	Preventive medicine reports	2023	0
Patient's Knowledge and Perception of Endodontics Treatment: An Observational St [PMID:37654321]	["Manasa N", "Naik K", "Singh M", "Moiz	Journal of pharmacy & bioallie	2023	0
Cholinergic neurodegeneration and cholesterol metabolism dysregulation by consti [PMID:37900943]	["Comaposada-Bar\u00f3 R", "Benito-Mart\	Frontiers in molecular neurosc	2023	0
Photosynthetic acclimation to changing environments. [PMID:36892145]	["Gjindali A", "Johnson G"]	Biochemical Society transactio	2023	0
Antiviral, immunomodulatory, and anticoagulant effects of quercetin and its deri [PMID:34567823]	["Manjunath S", "Thimmulappa R"]	Journal of pharmaceutical anal	2022	0
ATAD3A oligomerization promotes neuropathology and cognitive deficits in Alzheim [PMID:35236834]	Zhao Y, Hu D, Wang R, Sun X, Ropelewski	Nature communications	2022	0

Debates (0)

Multi-agent debates referencing this entity

No debates reference this entity

Related Research

Hypotheses and analyses mentioning CHOLESTEROL in their description or question text

APOE4 hypolipidation and ABCA1 mistrafficking impair cholesterol efflux and seco

Score: 0.680 · molecular biology · 2026-04-24

A plausible upstream submechanism is that lipid-poor APOE4 disrupts ABCA1 trafficking, likely via ARF6-associated endoso

TREM2 R47H Metabolic Lock-in at Cholesterol Ester Accumulation

Score: 0.672 · neuroimmunology · 2026-04-15

## Mechanistic Overview TREM2 R47H Metabolic Lock-in at Cholesterol Ester Accumulation starts from the claim that modula

TREM2-Mediated Cholesterol Dysregulation in Microglial Senescence

Score: 0.666 · neurodegeneration · 2026-04-07

## Mechanistic Overview TREM2-Mediated Cholesterol Dysregulation in Microglial Senescence starts from the claim that mod

LXRβ-Selective Agonism to Simultaneously Enhance APOE Lipidation and Reduce Micr

Score: 0.655 · lipidomics · 2026-04-25

LXRβ-Selective Agonism to Simultaneously Enhance APOE Lipidation and Reduce Microglial Cholesterol Accumulation

Cholesterol-CRISPR Convergence Therapy for Neurodegeneration

Score: 0.622 · neurodegeneration · 2026-04-02

## Mechanistic Overview Cholesterol-CRISPR Convergence Therapy for Neurodegeneration starts from the claim that modulati

APOE4 preferentially signals through LRP1 over LDLR, altering endosomal choleste

Score: 0.610 · neuroscience · 2026-04-22

**Molecular Mechanism and Rationale** The apolipoprotein E4 (APOE4) isoform, present in approximately 25% of the popula

CYP46A1 Activation as a Therapeutic Strategy to Restore Neuronal Cholesterol Eff

Score: 0.545 · lipidomics · 2026-04-25

CYP46A1 Activation as a Therapeutic Strategy to Restore Neuronal Cholesterol Efflux and Reduce Aβ Production

APOE4 astrocytes fail to supply sufficient cholesterol to parvalbumin interneuro

Score: 0.500 · neuroscience · 2026-04-22

## Mechanistic Overview APOE4 astrocytes fail to supply sufficient cholesterol to parvalbumin interneurons, causing pres

ApoE4-Mediated Failure of Cholesterol Efflux as Memory Maintenance Mechanism

Score: 0.490 · neuroinflammation · 2026-04-26

Incomplete hypothesis (truncated). ApoE4 isoform from astrocytes fails to mediate proper cholesterol efflux from microgl

APOE4 alters the accessible-cholesterol threshold sensed by SCAP through ER memb

Score: 0.420 · molecular biology · 2026-04-24

A more conjectural model is that APOE4-driven lipid remodeling changes ER membrane organization so that SCAP perceives c

Poorly lipidated APOE4 particles are preferentially routed through LDLR/LRP1 int

Score: 0.340 · molecular biology · 2026-04-24

This is the weakest mechanistic proposal. It attempts to connect extracellular apoE particle quality to intracellular ER