concept

AΒ

Entity Detail — Knowledge Graph Node

Understanding Entity Pages

This page aggregates everything SciDEX knows about AΒ: 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.

1668Connections

23Hypotheses

5Analyses

50Outgoing

50Incoming

0Experiments

12Debates

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💡 Concept Info

Name	AΒ
Key Genes/Proteins	AB, ABCA1, ACHE, AD

Pathway Diagram

graph TD
    A_[AΒ]
    A_ -->|causes| Neurodegeneration[Neurodegeneration]
    A_ -->|causes| Alzheimer_s_Disease[Alzheimer's Disease]
    A_ -->|involved_in| Protein_Assembly[Protein Assembly]
    A_ -.biomarker for.-> Biomarker_For_Alzheimer_s_Dise[Biomarker For Alzheimer's Disease]
    A_ -->|involved_in| Synapse_Pathology[Synapse Pathology]
    A_ -->|causes| neuronal_death[neuronal death]
    A_ -->|implicated in| Alzheimer_disease[Alzheimer disease]
    A_ -->|induces| IFN_[IFNγ]
    A_ -->|drives_formation_of| lipid_rafts[lipid rafts]
    A_ -->|causes| Oxidative_stress[Oxidative stress]
    APP[APP] -->|product_of| A_
    L1CAM[L1CAM] -->|binds| A_
    APOE__2_ISOFORM[APOE Ε2 ISOFORM] -->|interacts| A_
    SV2A[SV2A] -->|correlates_with| A_
    AUTOPHAGY[AUTOPHAGY] -->|mediates| A_
    APOE__2[APOE Ε2] -->|interacts| A_
    SQSTM1[SQSTM1] -->|involved_in| A_

Outgoing (814)

Target	Relation	Type	Str
Neurodegeneration	causes	process	0.95
Autophagy	associated_with	process	0.95
Endo-lysosomal system	associated_with	organelle	0.95
Alzheimer's Disease	causes	disease	0.95
Protein Assembly	involved_in	process	0.90
Synapse Pathology	involved_in	process	0.90
TREM2	activates	protein	0.90
Biomarker For Alzheimer's Disease	biomarker_for	biomarker	0.90
Microglial Activation	causes	process	0.90
astrocytes	causes	cell_type	0.80
Alzheimer's disease	causes	disease	0.80
Oxidative stress	causes	process	0.80
lipid rafts	drives_formation_of	process	0.80
Alzheimer's disease	implicated_in	disease	0.80
IFNγ	induces	protein	0.80
neuronal death	causes	phenotype	0.80
Alzheimer disease	implicated_in	disease	0.80
hippocampal atrophy	causes	phenotype	0.70
tau phosphorylation	activates	process	0.70
Alzheimer's disease	causes	disease	0.70
axonal injury	causes	mechanism	0.70
oxidative stress	activates	process	0.70
inflammation	activates	process	0.70
glutamate excitotoxicity	activates	process	0.70
neuroinflammation	activates	process	0.70
tau	interacts_with	protein	0.70
Tau pathology	triggers	mechanism	0.70
tau seeding	mediates	mechanism	0.70
apoptosis	activates	process	0.70
Microglia	activates	cell_type	0.70
Alzheimer's disease	associated_with	disease	0.70
TNF	activates	protein	0.70
Alzheimer	degrades	disease	0.60
Lewy Body	associated_with	disease	0.60
Neuroinflammation	protects_against	disease	0.60
mitophagy	associated_with	process	0.60
Traumatic Brain Injury	inhibits	disease	0.60
Alzheimer	encodes	disease	0.60
Obesity	activates	disease	0.60
Tauopathy	therapeutic_target	disease	0.60
Neuroinflammation	regulates	disease	0.60
Cancer	activates	disease	0.60
Lewy Body	inhibits	disease	0.60
Aging	protects_against	disease	0.60
Tauopathy	phosphorylates	disease	0.60
Parkinson	interacts_with	disease	0.60
Aging	inhibits	disease	0.60
Dementia	expressed_in	disease	0.60
Als	degrades	disease	0.60
Neuroinflammation	expressed_in	disease	0.60

Incoming (854)

Source	Relation	Type	Str
APP	associated_with	protein	0.90
APP	product_of	gene	0.90
L1CAM	binds	protein	0.90
26137544	begins to accumulate within	paper	0.90
26739002	induces spreading of	paper	0.90
BACE1	causes	gene	0.90
30867420	depletes via mGluR5-mediated mechanism	paper	0.90
40883746	primes microglia to promote	paper	0.90
23431156	effects	paper	0.90
23431156	activates	paper	0.90
40649980	suppressed	paper	0.90
40649980	activates	paper	0.90
26010513	impairs	paper	0.90
40649980	suppresses	paper	0.90
34456336	is a promising target for	paper	0.90
AUTOPHAGY	mediates	entity	0.85
SV2A	correlates_with	protein	0.85
LRP1	mediates_export	protein	0.85
APOE Ε2 ISOFORM	interacts_with	protein	0.85
ROS	contributes_to	phenotype	0.80
oxidative stress	elevates	process	0.80
APOE Ε2	interacts_with	protein	0.80
APOE	associated_with	gene	0.80
AQP4	associated_with	gene	0.80
GLP-1	ameliorates	protein	0.80
NNMT	causes_aggregation_of	gene	0.80
CLU	clears	gene	0.80
RAGE	binds_to	gene	0.80
LRP1	clears	gene	0.80
DHT	regulates	compound	0.80
PPARA AGONISTS	decreases	drug	0.80
SQSTM1	involved_in	protein	0.75
PPARA	regulates	gene	0.70
autophagy	activates	process	0.70
Ramalin	associated_with	gene	0.70
Mint2	associated_with	protein	0.70
oxyphylla A	inhibits	drug	0.70
NFκB	activates	pathway	0.70
ASTROCYTES	associated_with	cell_type	0.70
MICROGLIA	associated_with	cell_type	0.70
BACE1	activates	protein	0.70
RPL17	associated_with	gene	0.70
autophagy	promotes	process	0.70
ALZHEIMER	inhibits	gene	0.60
MICROGLIA	interacts_with	gene	0.60
APOER2	protects_against	gene	0.60
TLR2	interacts_with	gene	0.60
ASTROCYTE	associated_with	gene	0.60
NEURON	inhibits	gene	0.60
BACE1	inhibits	gene	0.60

Targeting Hypotheses (23)

Hypotheses where this entity is a therapeutic target

Hypothesis	Score	Disease	Analysis
Multi-Target Hypothesis: Aβ-Induced Cholinergic Damage is Pa	0.887	-	Do β-amyloid plaques and neurofibrillary
ω-3 Docosahexaenoic Acid (DHA) Epoxide Generation via CYP2J2	0.752	lipidomics	Lipid metabolism dysregulation in Alzhei
Tau missorting transitions into an autonomous tau-seeding st	0.740	neurodegeneration	Does tau dendritic missorting persist in
Closed-loop focused ultrasound targeting CA1 PV interneurons	0.716	Alzheimer's disease	Circuit-level neural dynamics in neurode
Microglia and complement sustain post-Aβ neurodegeneration a	0.690	neurodegeneration	Does tau dendritic missorting persist in

Soluble LRP1 (sLRP1) Ectodomain Shedding as a Blood-Based In	0.680	-	What blood-brain barrier permeability ch
Fyn-anchored dendritic tau/NMDAR signaling persists after tr	0.670	neurodegeneration	Does tau dendritic missorting persist in
PDGF-BB/PDGFRβ/STAT3 Paracrine Signaling Axis Mediates Aβ-In	0.618	neurodegeneration	How do perivascular cells specifically r
LRP1/NLRP3/IL-1β Cascade Links Aβ Endocytosis to Inflammasom	0.617	neurodegeneration	How do perivascular cells specifically r
Aβ42 oligomers drive TDP-43 phosphorylation at s409/410 thro	0.595	neurodegeneration	What mechanisms drive TDP-43 pathology s
Aβ-induced downregulation of circPDS5B derepresses TDP-43 mR	0.595	neurodegeneration	What mechanisms drive TDP-43 pathology s
HBOT (2.0 ATA, 60 min) activates TFEB-mediated autophagy-lys	0.560	neurodegeneration	What are the optimal oxygen pressure, du
CYP46A1 Activation as a Therapeutic Strategy to Restore Neur	0.550	lipidomics	Lipid metabolism dysregulation in Alzhei
Cross-Seeding: Gut Microbiome-Derived Bacterial Curli and Fu	0.540	neurodegeneration	How does gut microbiome dysbiosis contri
CD36 Acts as Primary Aβ Oligomer Sensor on Perivascular Macr	0.535	neurodegeneration	How do perivascular cells specifically r
TREM2 on Perivascular Macrophages Senses Aβ and Drives SPP1	0.496	neurodegeneration	How do perivascular cells specifically r
Reactive astrocyte glutamate-handling failure sustains dendr	0.490	neurodegeneration	Does tau dendritic missorting persist in
Soluble LRP1 Fragments Serve as Blood-Based Indicators of Im	0.485	-	What blood-brain barrier permeability ch
BIN1-dependent trafficking defects determine whether post-Aβ	0.460	neurodegeneration	Does tau dendritic missorting persist in
GM1 Ganglioside Reduction via ST3GAL5 Activation to Block Aβ	0.454	lipidomics	Lipid metabolism dysregulation in Alzhei
RAGE/STAT3/IL-6 Autocrine Loop Mediates Aβ-Induced SPP1 Upre	0.442	neurodegeneration	How do perivascular cells specifically r
P2X7/P2Y12 Purinergic Signaling Connects Aβ Aggregation to S	0.423	neurodegeneration	How do perivascular cells specifically r
CYP2J2-Derived DHA Epoxides Modulate Microglial M2 Polarizat	0.380	lipidomics	Lipid metabolism dysregulation in Alzhei

Mentioning Analyses (5)

Scientific analyses that reference this entity

What blood-brain barrier permeability changes serve as early biomarkers for neur

neurodegeneration | 2026-04-26 | 8 hypotheses Top: 0.735

TREM2 in Alzheimer's Disease: Mechanisms, Therapeutics, and Biomarkers

neurodegeneration | 2026-04-26 | 8 hypotheses Top: 0.861

Survival Analysis of AD Patient Cohorts: Prognostic Markers and Time-to-Dementia

neurodegeneration | 2026-04-16 | 3 hypotheses Top: 0.877

Multi-modal Biomarker Panel Design for Early AD Detection

neurodegeneration | 2026-04-16 | 1 hypotheses Top: 0.559

Spatial Transcriptomics Analysis of Alzheimer's Disease Brain Regions

neurodegeneration | 2026-04-16 | 2 hypotheses Top: 0.380

Experiments (0)

Experimental studies targeting or related to this entity

Experiment	Type	Disease	Score	Feasibility	Model	Status	Est. Cost
No experiments found

Related Papers (14)

Scientific publications cited in analyses involving this entity

Title & PMID	Authors	Journal	Year
Increased Neuronal Expression of the Early Endosomal Adaptor APPL1 Replicates Al [PMID:40514243]	Jiang Y, Sachdeva K, Goulbourne CN, Berg	The Journal of neuroscience :	2025
P-tau217 correlates with neurodegeneration in Alzheimer's disease, and targeting [PMID:38513667]	Zhang D, Zhang W, Ming C, Gao X, Yuan H,	Neuron	2024
The necroptosis cell death pathway drives neurodegeneration in Alzheimer's disea [PMID:38852117]	Balusu S, De Strooper B	Acta neuropathologica	2024
Chemical genetic activation of the cholinergic basal forebrain hippocampal circu [PMID:35418161]	Weilin Liu, Jianhong Li, Minguang Yang	{'name': "Alzheimer's Research	2022
Memorable Food: Fighting Age-Related Neurodegeneration by Precision Nutrition. [PMID:34422879]	["Milo\u0161evi\u0107 M", "Arsi\u0107 A"	Frontiers in nutrition	2021
Insulin Resistance and Diabetes Mellitus in Alzheimer's Disease. [PMID:34069890]	Burillo J, Marqués P, Jiménez B, Gonzále	Cells	2021
Genetic deletion of trpa1 receptor attenuates amyloid beta- 1-42 (aβ1-42)-induce [PMID:32473171]	Maja Payrits, Éva Borbély, Soma Godo	{'name': 'Mechanisms of ageing	2020
Implications of Oligomeric Amyloid-Beta (oAβ42) Signaling through α7β2-Nicotinic [PMID:33239400]	Andrew A. George, Jaime M. Vieira, Camer	{'name': 'The Journal of Neuro	2020
Removal of p75 Neurotrophin Receptor Expression from Cholinergic Basal Forebrain [PMID:30374941]	Lei Qian, M. Milne, Stephanie R Shephear	{'name': 'Molecular Neurobiolo	2018
Dietary DHA and health: cognitive function ageing. [PMID:27866493]	Unknown	Nutr Res Rev	2016
Docosahexaenoic acid and synaptic protection in Alzheimer's disease mice. [PMID:20211757]	Unknown	Biochim Biophys Acta	2010
Survival signalling in Alzheimer's disease. [PMID:17073801]	Unknown	Biochem Soc Trans	2006
Intraneuronal beta-amyloid aggregates, neurodegeneration, and neuron loss in tra [PMID:17021169]	["Oakley, Holly", "Cole, Sarah L", "Loga	The Journal of neuroscience :	2006
The amyloid hypothesis of Alzheimer's disease: progress and problems on the road [PMID:12130773]	["Hardy, John", "Selkoe, Dennis J"]	Science (New York, N.Y.)	2002

Debates (12)

Multi-agent debates referencing this entity

Extended debate: TREM2-Dependent Astrocyte-Microglia Cross-talk in Neurodegenera

closed · Rounds: 6 · Score: 0.95 · 2026-04-27

Hypothesis debate: TREM2-Mediated Microglial Dysfunction Disrupts Perivascular T

closed · Rounds: 4 · Score: 0.50 · 2026-04-27

What blood-brain barrier permeability changes serve as early biomarkers for neur

closed · Rounds: 4 · Score: 1.00 · 2026-04-26

Hypothesis debate: TREM2-Dependent Microglial Senescence Transition

closed · Rounds: 4 · Score: 0.64 · 2026-04-26

Hypothesis debate: TREM2-Dependent Astrocyte-Microglia Cross-talk in Neurodegene

closed · Rounds: 4 · Score: 0.50 · 2026-04-26

What are the key mechanistic, therapeutic, and diagnostic dimensions of TREM2 in

closed · Rounds: 4 · Score: 0.92 · 2026-04-26

How does spatial gene expression in the hippocampus and entorhinal cortex distin

closed · Rounds: 4 · Score: 0.70 · 2026-04-21

Can a multi-modal biomarker panel combining plasma proteins, neuroimaging featur

closed · Rounds: 4 · Score: 0.70 · 2026-04-21

Which clinical, genetic, and biomarker features are independent prognostic marke

closed · Rounds: 4 · Score: 0.70 · 2026-04-21

Is a 3-marker prognostic index clinically actionable for MCI patients, or does t

closed · Rounds: 4 · Score: 0.70 · 2026-04-16

Related Research

Hypotheses and analyses mentioning AΒ in their description or question text

Soluble LRP1 (sLRP1) Ectodomain Shedding as a Blood-Based Indicator of Impaired

Score: 0.680 · unknown disease · 2026-04-26

LRP1 mediates Aβ export from brain to blood at the BBB. Metalloprotease-mediated shedding of the LRP1 ectodomain (sLRP1)

Fyn-anchored dendritic tau/NMDAR signaling persists after transient Aβ exposure

Score: 0.670 · neurodegeneration · 2026-04-25

Aβ drives tau into dendritic spines, where tau binds Fyn and stabilizes a PSD95-NMDAR-associated excitotoxic scaffold. O

PDGF-BB/PDGFRβ/STAT3 Paracrine Signaling Axis Mediates Aβ-Induced SPP1 Upregulat

Score: 0.618 · neurodegeneration · 2026-04-22

**Molecular Mechanism and Rationale** The proposed PDGF-BB/PDGFRβ/STAT3 signaling axis represents a complex intercellul

LRP1/NLRP3/IL-1β Cascade Links Aβ Endocytosis to Inflammasome Activation and SPP

Score: 0.617 · neurodegeneration · 2026-04-22

**Molecular Mechanism and Rationale** The proposed LRP1/NLRP3/IL-1β cascade represents a critical mechanistic link betw

Aβ42 oligomers drive TDP-43 phosphorylation at s409/410 through CDK5/p25 activat

Score: 0.595 · neurodegeneration · 2026-04-21

**Molecular Mechanism and Rationale** The hypothesis centers on a novel mechanistic pathway linking amyloid-β42 (Aβ42)

Aβ-induced downregulation of circPDS5B derepresses TDP-43 mRNA translation in li

Score: 0.595 · neurodegeneration · 2026-04-21

**Molecular Mechanism and Rationale** The proposed mechanism centers on a complex regulatory network involving circPDS5

HBOT (2.0 ATA, 60 min) activates TFEB-mediated autophagy-lysosome pathway to acc

Score: 0.560 · neurodegeneration · 2026-04-25

HBOT increases mTORC1 inhibition, promoting TFEB nuclear translocation and enhancing autophagy flux to clear pathologica

CYP46A1 Activation as a Therapeutic Strategy to Restore Neuronal Cholesterol Eff

Score: 0.550 · lipidomics · 2026-04-25

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

Cross-Seeding: Gut Microbiome-Derived Bacterial Curli and Fungal Amyloid Synergi

Score: 0.540 · neurodegeneration · 2026-04-26

Commensal bacteria (E. coli, Salmonella) produce curli amyloid fibers encoded by the csg operon, while Candida and Sacch

CD36 Acts as Primary Aβ Oligomer Sensor on Perivascular Macrophages, Triggering

Score: 0.535 · neurodegeneration · 2026-04-22

## Mechanistic Overview CD36 Acts as Primary Aβ Oligomer Sensor on Perivascular Macrophages, Triggering NF-κB-Dependent

TREM2 on Perivascular Macrophages Senses Aβ and Drives SPP1 Upregulation Through

Score: 0.496 · neurodegeneration · 2026-04-22

## Mechanistic Overview TREM2 on Perivascular Macrophages Senses Aβ and Drives SPP1 Upregulation Through CSF1R-Mediated

Reactive astrocyte glutamate-handling failure sustains dendritic tau-associated

Score: 0.490 · neurodegeneration · 2026-04-25

Aβ leaves astrocytes in a reactive, low-EAAT2 state that increases extrasynaptic NMDA receptor drive, allowing dendritic

Soluble LRP1 Fragments Serve as Blood-Based Indicators of Impaired Aβ Efflux and

Score: 0.485 · unknown disease · 2026-04-26

LRP1 at brain microvascular endothelium mediates Aβ export from CNS to periphery. AD-associated inflammation activates A

BIN1-dependent trafficking defects determine whether post-Aβ tau missorting reso

Score: 0.460 · neurodegeneration · 2026-04-25

Aβ initially perturbs tau localization, but persistence depends on BIN1-regulated membrane and endocytic trafficking tha

GM1 Ganglioside Reduction via ST3GAL5 Activation to Block Aβ Oligomerization See

Score: 0.454 · lipidomics · 2026-04-25

GM1 Ganglioside Reduction via ST3GAL5 Activation to Block Aβ Oligomerization Seeds