gene

LRP1

Entity Detail — Knowledge Graph Node

Understanding Entity Pages

This page aggregates everything SciDEX knows about LRP1: 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.

1655Connections
12Hypotheses
9Analyses
50Outgoing
50Incoming
10Experiments
14Debates

Summary

Low-density lipoprotein receptor-related protein 1 (LRP1) is a multifunctional receptor involved in endocytosis, cell signaling, and Aβ clearance across the blood-brain barrier. Implicated in Alzheimer disease pathogenesis through regulation of amyloid-beta transport and tau uptake.

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🧬 Gene Info
Gene SymbolLRP1
AliasesLow-density lipoprotein receptor-related protein 1, CD91
Protein TypeReceptor
Target ClassReceptor
FunctionIn the healthy nervous system, LRP1 functions as
Mechanism of ActionModulation of receptor-mediated endocytosis and clearance pathways
DruggabilityLow (0.39)
Clinical StagePhase III
Molecular Weight600 kDa
Amino Acids525 aa
PathwaysAβ clearance, APOE trafficking, Endocytosis, MAPK, PI3K
UniProt IDQ07954
GeneCardsLRP1
Human Protein AtlasLRP1
Associated DiseasesAging, Als, Alzheimer, Alzheimer's disease
Known Drugs/CompoundsMELATONIN
InteractionsABCA1, abca2, ABCA2, ABCB1, ABI3, ACAT1
SciDEX TargetView Target Profile (6 clinical trials)
SciDEX HypothesesLRP1-Dependent Tau Uptake Disruption
Astrocyte LRP1-mediated tau uptake and APOE4-depen
LRP1-Dependent Tau Uptake Disruption (+4 more)
KG Connections1655 knowledge graph edges
DatabasesGeneCardsNCBI GeneHPASTRING
🧬 3D Structure Comparison — LRP1 Experimental (PDB) vs Predicted (AlphaFold) — click to expand

📄 Experimental Structure

2FCW — X-ray / Cryo-EM

🔮 AI Predicted Structure

Q07954 — AlphaFold

Left: Experimental structure from RCSB PDB | Right: AI-predicted structure from AlphaFold | Powered by Mol*

Wiki Pages (20)

Knowledge base pages for this entity

Canonical Page

APOE contributes to Alzheimer's disease by regulating both beta-amyloid deposition

hypothesis · 2704 words

LRP1B — Low Density Lipoprotein Receptor-Related Protein 1B

gene · 3338 words

LRP1-ApoE Signaling Cascade

pathway · 2401 words

LRP1-Mediated Amyloid-Beta Clearance in Neurodegeneration

mechanism · 2102 words

LRP1-Targeted ApoE-Mimetic Peptide Delivery

idea · 1221 words

LRP1-Enhanced Perivascular Drainage Therapy

idea · 990 words

Pathway Diagram

graph TD
    LRP1["LRP1 Receptor"] -->|"Binds"| Ligands["APOE, Abeta, tPA"]
    LRP1 -->|"Mediates"| Endocytosis["Receptor-Mediated Endocytosis"]
    Endocytosis -->|"Internalizes"| Abeta["Abeta Peptides"]
    Abeta -->|"Degraded in"| Lysosome["Lysosomes"]
    LRP1 -->|"Expressed on"| BBB["Brain Endothelium"]
    BBB -->|"Efflux of"| Clearance["Abeta Clearance to Blood"]
    LRP1 -.Downregulation.-> Accumulation["Abeta Accumulation"]
    Accumulation -.Contributes to.-> AD["Alzheimer's Disease"]

Outgoing (1041)

TargetRelationTypeStr
benchmark_ot_ad_answer_key:LRP1data_indataset_row0.00
ds-6784494f1741data_indataset1.00
ds-83b31ef18d49provides_data_fordataset1.00
Amyloid-betaregulatescompound0.95
Notch Pathwaymediatespathway0.95

Incoming (614)

SourceRelationTypeStr
benchmark_ot_ad_answer_key:LRP1data_indataset_row0.00
ALZHEIMER'S DISEASEassociated_withgene1.00
ds-6784494f1741data_indataset1.00
ds-83b31ef18d49data_indataset1.00
EPSIN1regulatesgene0.90

Targeting Hypotheses (12)

Hypotheses where this entity is a therapeutic target

HypothesisScoreDiseaseAnalysis
LRP1-Dependent Tau Uptake Disruption 0.808 neurodegeneration Tau propagation mechanisms and therapeut
Circadian-Synchronized LRP1 Pathway Activation 0.714 neurodegeneration Blood-brain barrier transport mechanisms
LRP1-Mediated Transcytosis for CNS Antibody Delivery 0.680 neurodegeneration Blood-brain barrier antibody transport m
LRP1/NLRP3/IL-1β Cascade Links Aβ Endocytosis to Inflammasom 0.617 neurodegeneration How do perivascular cells specifically r
APOE4 preferentially signals through LRP1 over LDLR, alterin 0.610 neuroscience APOE4-driven lipid metabolism dysregulat
Astrocyte LRP1-mediated tau uptake and APOE4-dependent secre 0.610 neurodegeneration Which tau propagation mechanism predomin
LRP1-Dependent Tau Uptake Disruption 0.576 Alzheimer's Disease Tau propagation mechanisms and therapeut
Blocking Exosomal Tau Uptake at Neuronal LRP1 Receptors Disr 0.570 neurodegeneration Investigate prion-like spreading of tau
LRP1-mediated synaptic uptake drives early entorhinal-hippoc 0.570 neurodegeneration Which tau propagation mechanism predomin
LRP1 Loss-of-Function Derepresses P2RY12 Expression 0.500 neurodegeneration What determines P2RY12 receptor expressi
LRP1-Autophagy BBB Permeabilization for Antibody Transport 0.380 neurodegeneration Blood-brain barrier antibody transport m
Poorly lipidated APOE4 particles are preferentially routed t 0.340 molecular biology Does APOE4's reduced lipid-binding direc

Mentioning Analyses (9)

Scientific analyses that reference this entity

Gene Co-expression Network Analysis of AD Progression Modules

neurodegeneration | 2026-04-16 | 0 hypotheses

Do bacterial curli amyloids cross the blood-brain barrier to directly seed α-syn

neurodegeneration | 2026-04-12 | 0 hypotheses

Why do systemic anti-inflammatory drugs fail in AD despite cardiovascular effica

clinical neurology | 2026-04-08 | 0 hypotheses

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

neurodegeneration | 2026-04-04 | 7 hypotheses Top: 0.640

Tau propagation mechanisms and therapeutic interception points

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

Experiments (10)

Experimental studies targeting or related to this entity

ExperimentTypeDiseaseScoreFeasibilityModelStatusEst. Cost
Meta-analysis of LRP1 C766T polymorphism and Alzheimer's disease susce exploratory Alzheimer's disease 0.950 0.00 human patients proposed N/A
Endothelial CD2AP knockdown effects on memory in male mice validation Alzheimer's disease 0.900 0.00 male mice proposed N/A
HDAC4 inhibition and NHE6 expression mechanism study exploratory Alzheimer's disease 0.850 0.00 proposed N/A
Network Pharmacology Analysis of Shared AD Targets exploratory Alzheimer's disease 0.850 0.00 Computational network analysis proposed N/A
MRI Phenotyping Method Concordance in Serbian AD Cohort clinical Alzheimer's disease 0.850 0.00 human patients proposed N/A
Endothelin-1 receptor A antagonist rescue in male CD2AP mice validation Alzheimer's disease 0.850 0.00 male mice proposed N/A
Neuroimmune modulation and Aβ clearance mechanisms exploratory Alzheimer's disease 0.820 0.00 Microglia and astrocytes proposed N/A
CD2AP expression and cognitive decline in AD patients exploratory Alzheimer's disease 0.800 0.00 human patients proposed N/A
Bioinformatics analysis and hub gene identification exploratory Alzheimer's disease 0.800 0.00 computational analysis of tran proposed N/A
Competing endogenous RNA (ceRNA) network construction exploratory Alzheimer's disease 0.750 0.00 computational network analysis proposed N/A

Related Papers (20)

Scientific publications cited in analyses involving this entity

Title & PMIDAuthorsJournalYearCitations
Interplay of Low-Density Lipoprotein Receptors, LRPs, and Lipoproteins in Pulmon [PMID:35257044] Calvier L, Herz J, Hansmann G JACC Basic Transl Sci 2022 1
ROS-responsive nanogels for brain targeted delivery of icariin in the treatment [PMID:41197818] ["Li X", "Huang J", "Zhou Y", "Chen X", International journal of pharm 2026 0
Modulating LRP1 Pathways in Alzheimer's Disease: Mechanistic Insights and Emergi [PMID:41772271] Mushtaq T, Hameed H, Khan MA, Tariq U, H Molecular neurobiology 2026 0
Insulin-like growth factor-1 enhances β-amyloid protein clearance in HMC3 microg [PMID:41621577] Guo H, Peng X, Zhang X, Ruganzu JB, Wu X Experimental cell research 2026 0
Osteoclast-secreted galectin-3 promotes articular cartilage degeneration in OVX [PMID:40609733] Chen L, Hong H, Yang Z, Zhong Y, Sun S e Osteoarthritis Cartilage 2026 0
Small-molecule PCSK9 inhibition enhances BBB amyloid-β clearance and suppresses [PMID:41927877] Miao J, Wang J, Zhou W, Guo J Sci Rep 2026 0
Lysosomal trafficking markers covering PSAP, PGRN, SORT1 and LRP1 in body liquid [PMID:41579784] Poniatowski ŁA, Siwińska A, Acewicz A, K Forensic science international 2026 0
Mitochondrial calcium uniporter knockdown in hippocampal neurons effectively att [PMID:41687804] Wu L, Hou F, Wang Z, Wu M, Wang X, Cao J Experimental neurology 2026 0
Bionanoconjugates in Neurodegeneration: Peptide-Nanoparticle Alliances for Next- [PMID:41199078] ["Ranjitha V", "Kumar A", "Kaalappa P"] Pharmaceutical research 2025 0
Integrative bioinformatics frameworks for abdominal aortic aneurysm using GWAS m [PMID:40595262] Sagulkoo P, Chuntakaruk H, Suratanee A, Scientific reports 2025 0
Inhibition of tau neuronal internalization using anti-tau single domain antibodi [PMID:40175345] ["Danis C", "Dupr\u00e9 E", "Bouillet T" Nature communications 2025 0
Schwann cell Lrp1 deletion drives trigeminal neuron sensitization and orofacial [PMID:41430102] Gong Z, Zhang M, Liu N, Asam K, Martellu The journal of headache and pa 2025 0
Ganglioside sialylation modulates tau internalization and pathology spread. [PMID:41398374] Li S, Chen Y, Song T, Liu D, Wu R, Yang Molecular psychiatry 2025 0
Microglia internalize tau monomers and fibrils using distinct receptors but simi [PMID:39713861] Falkon KF, Danford L, Gutierrez Kuri E, Alzheimer's & dementia : the j 2025 0
Exosomes as nanocarriers for brain-targeted delivery of therapeutic nucleic acid [PMID:40533746] ["Sanadgol N", "Abedi M", "Hashemzaei M" Journal of nanobiotechnology 2025 0
Astrocytic LRP1 enables mitochondria transfer to neurons and mitigates brain isc [PMID:38906140] Zhou J, Zhang L, Peng J, Zhang X, Zhang Cell metabolism 2024 0
Mitochondrial NADK2-dependent NADPH controls Tau oligomer uptake in human neuron [PMID:39554169] Pardo E, Kim T, Wallrabe H, Zengeler KE, bioRxiv : the preprint server 2024 0
The role of neutrophils in tPA thrombolysis after stroke: a malicious troublemak [PMID:39606238] Li Q, Ye J, Li Z, Xiao Q, Tan S, Hu B, J Frontiers in immunology 2024 0
Editorial for “Corrected <scp>MRI</scp> Pulmonary Transit Time for Identificatio [PMID:36029232] Ricci Fabrizio; Khanji Mohammed Y; Garg Journal of Magnetic Resonance 2023 0
Ancient gene linkages support ctenophores as sister to other animals. [PMID:37198475] ["Schultz D", "Haddock S", "Bredeson J", Nature 2023 0

Debates (14)

Multi-agent debates referencing this entity

Should metabolic reprogramming via SIRT1/NAD+/PGC-1alpha axis be prioritized to

closed · Rounds: 4 · Score: 0.81 · 2026-04-23

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

closed · Rounds: 4 · Score: 0.73 · 2026-04-22

What co-expression modules are shared and unique across brain regions in AD, and

closed · Rounds: 4 · Score: 0.30 · 2026-04-21

Is TYROBP a genuine therapeutic target in AD, or is it a downstream marker of mi

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

Investigate the therapeutic potential of clearing senescent cells (senolytics) t

closed · Rounds: 4 · Score: 0.75 · 2026-04-16

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

Do bacterial curli amyloids cross the blood-brain barrier to directly seed α-syn

closed · Rounds: 4 · Score: 0.84 · 2026-04-12

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

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

The debate noted clinical failures of TNF-α and IL-6 inhibitors in AD despite th

closed · Rounds: 4 · Score: 0.79 · 2026-04-09

Related Research

Hypotheses and analyses mentioning LRP1 in their description or question text

Astrocyte LRP1-mediated tau uptake and APOE4-dependent secretion creates regiona

Score: 0.610 · neurodegeneration · 2026-04-21

## Mechanistic Overview Astrocyte LRP1-mediated tau uptake and APOE4-dependent secretion creates regional susceptibility

LRP1-Dependent Tau Uptake Disruption

Score: 0.576 · Alzheimer's Disease · 2026-04-02

**Overview** LRP1 (Low-density lipoprotein receptor-related protein 1) functions as a critical gateway receptor mediati

Blocking Exosomal Tau Uptake at Neuronal LRP1 Receptors Disrupts Interneuronal P

Score: 0.570 · neurodegeneration · 2026-04-22

## Mechanistic Overview Blocking Exosomal Tau Uptake at Neuronal LRP1 Receptors Disrupts Interneuronal Propagation start

LRP1-mediated synaptic uptake drives early entorhinal-hippocampal tau propagatio

Score: 0.570 · neurodegeneration · 2026-04-21

## Mechanistic Overview LRP1-mediated synaptic uptake drives early entorhinal-hippocampal tau propagation (Braak I-II) s

LRP1 Loss-of-Function Derepresses P2RY12 Expression

Score: 0.500 · neurodegeneration · 2026-04-21

## Mechanistic Overview LRP1 Loss-of-Function Derepresses P2RY12 Expression starts from the claim that modulating LRP1 w

LRP1-Autophagy BBB Permeabilization for Antibody Transport

Score: 0.380 · neurodegeneration · 2026-04-22

## Mechanistic Overview LRP1-Autophagy BBB Permeabilization for Antibody Transport starts from the claim that modulating

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