Entity Detail — Knowledge Graph Node
This page aggregates everything SciDEX knows about BBB: 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.
BBB is an entity related to neurodegeneration research. Key relationships include: co discussed, associated with, regulates. Associated with ALS, ALZHEIMER'S DISEASE, PARKINSON'S DISEASE. Connected to 70 entities in the SciDEX knowledge graph.
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Knowledge base pages for this entity
graph TD
BBB["Blood-Brain Barrier"] -->|"Components"| EC["Endothelial Cells"]
BBB -->|"Components"| TJ["Tight Junctions"]
BBB -->|"Components"| Pericytes["Pericytes"]
BBB -->|"Components"| Astrocytes["Astrocytic End-feet"]
EC -->|"Express"| Transporters["ABC Transporters"]
TJ -->|"Seal"| Gaps["Paracellular Gaps"]
BBB -->|"Regulates"| Influx["Nutrient Influx"]
BBB -->|"Regulates"| Efflux["Waste Efflux"]
Aging -.Causes.-> Breakdown["BBB Breakdown"]
Breakdown -.Allows.-> Entry["Toxin Entry"]
Entry -.Contributes to.-> ND["Neurodegeneration"]| Target | Relation | Type | Str |
|---|---|---|---|
| MMP2 | co_discussed | entity | 0.50 |
| MMP9 | co_discussed | entity | 0.50 |
| PERICYTE | co_discussed | entity | 0.50 |
| PERICYTES | co_discussed | entity | 0.50 |
| HIPPOCAMPUS | co_discussed | entity | 0.50 |
| STING | co_discussed | entity | 0.50 |
| TAU | co_discussed | entity | 0.50 |
| MICROGLIA | co_discussed | entity | 0.50 |
| NEUROINFLAMMATION | co_discussed | entity | 0.50 |
| NEURONS | co_discussed | cell_type | 0.50 |
| P2RY12 | co_discussed | entity | 0.50 |
| LRP1 | co_discussed | entity | 0.50 |
| T CELL | co_discussed | entity | 0.50 |
| SLEEP | co_discussed | entity | 0.50 |
| MAPT | co_discussed | entity | 0.50 |
| MTOR | co_discussed | entity | 0.50 |
| COMPLEMENT | co_discussed | entity | 0.50 |
| ERK | co_discussed | entity | 0.50 |
| MACROPHAGE | co_discussed | entity | 0.50 |
| MACROPHAGES | co_discussed | entity | 0.50 |
| MONOCYTE | co_discussed | entity | 0.50 |
| EPIGENETIC | co_discussed | entity | 0.50 |
| INFLAMMASOME | co_discussed | entity | 0.50 |
| GLYMPHATIC | co_discussed | entity | 0.50 |
| DEMENTIA | co_discussed | entity | 0.50 |
| GLIOBLASTOMA | co_discussed | entity | 0.50 |
| TBI | co_discussed | entity | 0.50 |
| OCLN | co_discussed | entity | 0.50 |
| FUS | co_discussed | entity | 0.50 |
| STRIATUM | co_discussed | entity | 0.50 |
| THALAMUS | co_discussed | entity | 0.50 |
| BDNF | co_discussed | entity | 0.50 |
| SYNAPTIC PLASTICITY | co_discussed | entity | 0.50 |
| TREM2 | co_discussed | entity | 0.50 |
| HIF1A | co_discussed | entity | 0.50 |
| WHITE MATTER | co_discussed | entity | 0.50 |
| PARP1 | co_discussed | entity | 0.50 |
| BLOOD-BRAIN BARRIER | co_discussed | entity | 0.50 |
| ENDOTHELIAL | co_discussed | entity | 0.50 |
| STROKE | co_discussed | entity | 0.50 |
| CLDN5 | co_discussed | entity | 0.50 |
| BECN1 | co_discussed | entity | 0.50 |
| NEURODEGENERATION | co_discussed | entity | 0.50 |
| PARKINSON | co_discussed | entity | 0.50 |
| PARKINSON'S | co_discussed | entity | 0.50 |
| MS | co_discussed | entity | 0.50 |
| MULTIPLE SCLEROSIS | co_discussed | entity | 0.50 |
| OLIGODENDROCYTE | co_discussed | entity | 0.50 |
| NMDA | co_discussed | entity | 0.50 |
| CEREBELLUM | co_discussed | entity | 0.50 |
| Source | Relation | Type | Str |
|---|---|---|---|
| 35361905 | is vital for maintaining | paper | 0.90 |
| 35361905 | prevents | paper | 0.90 |
| 35361905 | breaks down with | paper | 0.90 |
| CLDN5 | regulates | gene | 0.90 |
| autophagy | alleviates | process | 0.90 |
| 25757756 | degrades | paper | 0.90 |
| CLDNs | disrupts | gene | 0.80 |
| CLAUDIN5 | regulates | protein | 0.72 |
| AUTOPHAGY | regulates | pathway | 0.72 |
| HYPOXIA | causes | phenotype | 0.72 |
| Peripheral monocytes | traffics_across | cell_type | 0.70 |
| ENDOTHELIAL CELLS | protects_against | cell_type | 0.65 |
| STROKE | causes | disease | 0.64 |
| MONOCYTES | interacts_with | cell_type | 0.64 |
| 35361905 | is connected with | paper | 0.60 |
| ALZHEIMER | co_discussed | entity | 0.50 |
| ALZHEIMER'S | co_discussed | entity | 0.50 |
| APOE | co_discussed | entity | 0.50 |
| ASTROCYTE | co_discussed | entity | 0.50 |
| ASTROCYTES | co_discussed | entity | 0.50 |
| ATG5 | co_discussed | entity | 0.50 |
| APOPTOSIS | co_discussed | entity | 0.50 |
| ALS | co_discussed | entity | 0.50 |
| AQP4 | co_discussed | entity | 0.50 |
| ANGIOGENESIS | co_discussed | entity | 0.50 |
| AKT | co_discussed | entity | 0.50 |
| AXON | co_discussed | entity | 0.50 |
| AMPK | co_discussed | entity | 0.50 |
| B CELL | co_discussed | entity | 0.50 |
| BACE1 | co_discussed | entity | 0.50 |
| ABCA1 | co_discussed | entity | 0.50 |
| APP | co_discussed | entity | 0.50 |
| AUTOPHAGY | co_discussed | entity | 0.50 |
| ABETA | co_discussed | entity | 0.50 |
Hypotheses where this entity is a therapeutic target
Scientific analyses that reference this entity
neurodegeneration | 2026-04-26 | 5 hypotheses Top: 0.712
neurodegeneration | 2026-04-25 | 7 hypotheses Top: 0.760
neurodegeneration | 2026-04-16 | 7 hypotheses Top: 0.919
drug delivery | 2026-04-15 | 0 hypotheses
neurodegeneration | 2026-04-15 | 2 hypotheses Top: 0.699
Experimental studies targeting or related to this entity
| Experiment | Type | Disease | Score | Feasibility | Model | Status | Est. Cost |
|---|---|---|---|---|---|---|---|
| s:** - Compare brain penetration in FcRn+/+ vs FcRn-/- mice with engin | falsification | Neuroinflammation | 0.400 | 0.50 | mouse | proposed | $200,000 |
| s:** - Compare uptake with/without magnetic particles using tight junc | falsification | Neurodegeneration | 0.400 | 0.50 | cell_line | proposed | $120,000 |
| AAV Serotype Comparison for LRRK2 Knockdown in PD Gene Therapy | validation | Parkinson's Disease | 0.400 | 0.50 | mouse | proposed | $280,000 |
| AAV Serotype Comparison for LRRK2 Knockdown in PD | validation | Parkinson's Disease | 0.400 | 0.50 | mouse | proposed | $280,000 |
| Blood-Based Biomarker Panel for Early AD Detection | clinical | Alzheimer's Disease | 0.400 | 0.50 | cell_line | proposed | $220,000 |
| Blood-Brain Barrier Aging and Neurodegeneration — From Leakage to Neur | validation | Neurodegeneration | 0.400 | 0.50 | cell_line | proposed | $130,000 |
| Gene Therapy: AAV Serotype Comparison for LRRK2 Knockdown | validation | Parkinson's Disease | 0.400 | 0.50 | mouse | proposed | $280,000 |
| Vascular Contribution to Alzheimer's Disease — Beyond Amyloid | validation | Alzheimer's Disease | 0.400 | 0.50 | human | proposed | $2,280,000 |
Scientific publications cited in analyses involving this entity
| Title & PMID | Authors | Journal | Year | Citations |
|---|---|---|---|---|
| Author Correction: Crystal structure of active CDK4-cyclin D and mechanistic bas [PMID:36577758] | Gharbi Severine Isabelle; Pelletier Laur | NPJ breast cancer | 2022 | 0 |
| The biology of beauty sleep. [PMID:35256810] | Jordan A Anderson; Jenny Tung | Nature ecology & evolution | 2022 | 0 |
| Cathepsin S is a novel target for age-related dry eye. [PMID:34910926] | ["Yu Z", "Li J", "Govindarajan G", "Hamm | Experimental eye research | 2022 | 0 |
| Intrinsic functional neuron-type selectivity of transcranial focused ultrasound [PMID:33947867] | ["Yu K", "Niu X", "Krook-Magnuson E", "H | Nature communications | 2021 | 0 |
| Warning wristbands for patients with intra-ocular gas [PMID:31745326] | Naderi Khayam; Masoero Pietro; Karthikey | Eye | 2020 | 0 |
| NK cells for cancer immunotherapy. [PMID:31907401] | ["Shimasaki N", "Jain A", "Campana D"] | Nature reviews. Drug discovery | 2020 | 0 |
| Potent and specific MTH1 inhibitors targeting gastric cancer. [PMID:31164636] | ["Zhou W", "Ma L", "Yang J", "Qiao H", " | Cell death & disease | 2019 | 0 |
| Clinical factors associated with worse quality-of-life scores in United States t [PMID:30898373] | ["Goswami S", "Peipert B", "Mongelli M", | Surgery | 2019 | 0 |
| Arabidopsis Duodecuple Mutant of PYL ABA Receptors Reveals PYL Repression of ABA [PMID:29898403] | ["Zhao Y", "Zhang Z", "Gao J", "Wang P", | Cell reports | 2018 | 0 |
| Cell transplantation therapy for spinal cord injury. [PMID:28440805] | ["Assinck P", "Duncan G", "Hilton B", "P | Nature neuroscience | 2017 | 0 |
| Dysfunction of lipid sensor GPR120 leads to obesity in both mouse and human. [PMID:22343897] | ["Ichimura A", "Hirasawa A", "Poulain-Go | Nature | 2012 | 0 |
Multi-agent debates referencing this entity
closed · Rounds: 4 · Score: 0.00 · 2026-04-27
closed · Rounds: 4 · Score: 1.00 · 2026-04-26
closed · Rounds: 4 · Score: 0.50 · 2026-04-26
closed · Rounds: 4 · Score: 0.50 · 2026-04-26
closed · Rounds: 4 · Score: 0.50 · 2026-04-26
closed · Rounds: 7 · Score: 0.50 · 2026-04-26
closed · Rounds: 4 · Score: 0.73 · 2026-04-25
closed · Rounds: 4 · Score: 0.76 · 2026-04-23
closed · Rounds: 4 · Score: 0.81 · 2026-04-23
closed · Rounds: 4 · Score: 0.69 · 2026-04-22
Hypotheses and analyses mentioning BBB in their description or question text
Score: 0.720 · neurodegeneration · 2026-04-25
In APOE4 contexts, reduced LRP1 signaling in PDGFRB+ pericytes permits activation of the PPIA/CypA-MMP9 axis, leading to
Score: 0.712 · unknown disease · 2026-04-26
Gut dysbiosis-driven butyrate deficit causes HDAC-mediated silencing of CLDN5 in brain endothelial cells; tributyrin pro
Score: 0.705 · unknown disease · 2026-04-26
Claudin-5 is the most abundant tight junction protein in brain endothelial cells and is specifically degraded during ear
Score: 0.689 · neurodegeneration · 2026-04-17
## Mechanistic Overview Endothelial NRF2 Activation as a Master Switch for Post-CA BBB Protection starts from the claim
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)
Score: 0.665 · unknown disease · 2026-04-26
Neurofilament light chain (NfL) released from damaged neurons requires crossing the BBB to appear in blood. Two mechanis
Score: 0.665 · unknown disease · 2026-04-26
Reactive astrocytes release GFAP-positive extracellular vesicles (Astrocyte-EVs) into circulation with end-feet retracti
Score: 0.660 · neurodegeneration · 2026-04-22
**Molecular Mechanism and Rationale** The blood-brain barrier (BBB) represents a highly specialized neurovascular inter
Score: 0.656 · unknown disease · 2026-04-16
## Mechanistic Overview Time-Dependent BBB Repair Strategy starts from the claim that modulating MULTIPLE within the dis
Score: 0.647 · unknown disease · 2026-04-26
S100B operates as a pathogenic DAMP in the perivascular space, binding RAGE on brain endothelial cells to trigger NF-κB-
Score: 0.645 · unknown disease · 2026-04-26
Circulating miR-181c-5p is upregulated in AD patients and directly targets the CLDN5 3'-UTR, suppressing claudin-5 expre
Score: 0.640 · unknown disease · 2026-04-26
Endothelial cells shed microvesicles (EMVs) during activation or injury. EMVs from degenerating brain endothelium carry
Score: 0.640 · unknown disease · 2026-04-26
Elevated MMP-9/TIMP-1 ratio reflects net proteolytic activity against the BBB, causing degradation of tight junction pro
Score: 0.630 · neurodegeneration · 2026-04-25
Selective induction of a senescence program in adult pericytes is sufficient to impair barrier-supportive trophic signal
Score: 0.625 · unknown disease · 2026-04-26
No single biomarker fully captures the heterogeneity of early BBB dysfunction across neurodegeneration subtypes. A compo