ArticleThe Journal of clinical investigation2000
Clearance of Alzheimer's amyloid-ss(1-40) peptide from brain by LDL receptor-related protein-1 at the blood-brain barrier.
Article in The Journal of clinical investigation, 2000. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 689 papers, 1 of them a synthesis that pooled it.
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The abstract states no effect estimate the extractor could read, or names no intervention and outcome on the map, so this paper lights no cell and moves no belief. It is still indexed, cited and linked below.
The trial behind it
Trials whose registry record cites this paper, or whose number appears in the abstract. A trial that started after this paper was published is citing it as background, not reporting it.
Neither the registry nor the abstract names a trial number. If this is a trial report, that itself is worth knowing.
Who cites it
689 citing papers in PubMed, 1 synthesis or guideline pooled it, 1,373 citations in OpenAlex.
- Glymphatic dysfunction in Alzheimer's disease: a systematic review and meta-analysis of the DTI-ALPS index as an imaging biomarker.Frontiers in aging neuroscience · 2026Pooled it
- Brain Clearance of Contrast Agent in Intravenous DCE-MRI Is Measurable and Cannot Be Explained by Clearance Across the BBB Alone.Magnetic resonance in medicine · 2026Article
- Putative Modulation of OATP1A2 and P-gp Expression at the Blood-Brain Barrier by Nrf2-PXR: An Associative Hypothesis for Amyloid-β Transport in Alzheimer's Disease.International journal of molecular sciences · 2026Review
- The Clearance-Centered Bottleneck in Alzheimer's Disease: From Coupled Glymphatic-Lymphatic Circuits to Therapeutic Opportunities.Molecular neurobiology · 2026Review
- Article
- Brain targeting and trafficking of extracellular vesicles in central nervous system diseases: a therapeutic roadmap.Nanomedicine (London, England) · 2026Review
- MicroRNA-181 influences Alzheimer's risk by regulating neprilysin and microtubule-associated tau pathways, offering a novel target.bioRxiv : the preprint server for biology · 2026Article
- A Age Related Vascular Senescence: Mystery of Blood-brain Barrier Dysfunction in Neurodegeneration.Molecular neurobiology · 2026Review
- Glycocalyx and basal lamina in neurological disorders.Matrix biology : journal of the International Society for Matrix Biology · 2026Review
- Transport pathways across the blood-brain barrier for waste clearance and drug delivery.Fluids and barriers of the CNS · 2026Review
- Circulatory pro-CTSD binds brain endothelial LRP1 to trigger its lysosomal degradation leading to amyloid beta clearance deficit in Alzheimer's disease mice.Alzheimer's & dementia : the journal of the Alzheimer's Association · 2026Article
- Effects of HIV and azidothymidine on Alzheimer's-like pathology and amyloid beta transporters in hu-PBL-NSG mice, brain endothelial amyloid beta uptake and endothelial barrier integrity.Fluids and barriers of the CNS · 2026Article
- New Strategies for the Prevention and Therapy of Alzheimer's Disease Based on Stimulation of Brain Drainage and Lymphatic Clearance.International journal of molecular sciences · 2026Review
- Reexamining the Role of Amyloid β Clearance from the Brain: Exporting Labile Iron from the Interstitial Fluid Performs a Protective Function.International journal of molecular sciences · 2026Review
- Article
- Brain capillary endothelial-like cells show altered barrier functionality and reduced transport of amyloid β in late-onset Alzheimer disease.Fluids and barriers of the CNS · 2026Article
- Running exercise mitigates amyloidosis in 5xFAD mice by improving the structure and function of the meningeal lymphatic system.Acta neuropathologica communications · 2026Article
- Valacyclovir Mitigates Amyloid Plaque Deposition, P-Tau Aggregation, and Neuroinflammation in Streptozotocin induced Alzheimer's Disease Rat Model.Molecular neurobiology · 2026Article
- Mechanistic modeling of amyloid dynamics relating to Alzheimer's disease progression.Frontiers in aging neuroscience · 2026Article
- Research progress on Alzheimer's disease vaccines: from Aβ-targeted approaches to clinical translation.Frontiers in aging · 2026Review
629 more citing papers are in PubMed but not listed here.
Corrections and comments
PubMed lists nothing against this paper. Absence here is not a guarantee, only a check that was made.
Authors and funding
11 authors at 5 institutions in 1 country.
Funding
Abstract
Elimination of amyloid-ss peptide (Ass) from the brain is poorly understood. After intracerebral microinjections in young mice, (125)I-Ass(1-40) was rapidly removed from the brain (t(1/2) </= 25 minutes), mainly by vascular transport across the blood-brain barrier (BBB). The efflux transport system for Ass(1-40) at the BBB was half saturated at 15.3 nM, and the maximal transport capacity was reached between 70 nM and 100 nM. Ass(1-40) clearance was substantially inhibited by the receptor-associated protein, and by antibodies against LDL receptor-related protein-1 (LRP-1) and alpha(2)-macroglobulin (alpha(2)M). As compared to adult wild-type mice, clearance was significantly reduced in young and old apolipoprotein E (apoE) knockout mice, and in old wild-type mice. There was no evidence that Ass was metabolized in brain interstitial fluid and degraded to smaller peptide fragments and amino acids before its transport across the BBB into the circulation. LRP-1, although abundant in brain microvessels in young mice, was downregulated in older animals, and this downregulation correlated with regional Ass accumulation in brains of Alzheimer's disease (AD) patients. We conclude that the BBB removes Ass from the brain largely via age-dependent, LRP-1-mediated transport that is influenced by alpha(2)M and/or apoE, and may be impaired in AD.
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Registered trials
Read under generation 80e0d062 · epoch 390. Bibliography from PubMed, PubMed Central and OpenAlex; grants from NIH RePORTER; trial links from ClinicalTrials.gov; estimates, votes and beliefs from the OpenQuestion graph.