Cited by 222Alzheimer's disease research and treatmentsCerebrospinal fluid and hydrocephalusBarrier Structure and Function Studies

Fate of Cerebrospinal Fluid‐Borne Amyloid β‐Peptide: Rapid Clearance into Blood and Appreciable Accumulation by Cerebral Arteries

Ghersi‐Egea, J.‐F., Gorevic, P. D., Ghiso, J., Frangione, B., Patlak, C. S., Fenstermacher, J. D.·1996·Journal of Neurochemistry

Abstract

In Alzheimer's disease, the neuritic or senile amyloid plaques in hippocampus and association cortex, the diffuse plaques in brain areas such as the cerebellum and sensorimotor cortex, and the amyloid deposits in the walls of pial and parenchymal blood vessels are mainly composed of amyloid beta-peptides. In the present study, either soluble 40-residue amyloid beta-peptide radiolabeled with 125I (I-sAbeta) or [14C]polyethylene glycol ([14C]PEG, a reference material) was briefly infused into one lateral ventricle of normal rats. By 3.5 min, 30% of the I-sAbeta was cleared from ventricular CSF into blood; another 30% was removed over the next 6.5 min. No [14C]PEG was lost from the CSF-brain system during the first 5 min, and only 20% was cleared by 10 min. Much of the I-sAbeta that reached the subarachnoid space was retained by pial arteries and arterioles. Virtually no I-sAbeta was found in brain. The clearance of amyloid beta-peptides from the CSF-brain system, reported herein for normal rats, may be reduced in Alzheimer's disease, thus contributing to amyloid deposition in cerebral tissue and blood vessels.

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Crossref · 10.1046/j.1471-4159.1996.67020880.x

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Authors
Ghersi‐Egea, J. ‐., Gorevic, P. D., Ghiso, J., Frangione, B., Patlak, C. S., & Fenstermacher, J. D.
Affiliations
  • Stony Brook University (US)
  • NYU Langone Health (US)
  • Henry Ford Hospital (US)
Corresponding author
Fenstermacher, J. D.
Venue
Journal of Neurochemistry
Publisher
Wiley
Published
1996-08
Volume
67
Issue
2
Pages
880-883
ISSN
  • 0022-3042 (ISSN-L)
  • 1471-4159
OpenAlex
W2065410730
Cited by
222
References
0
Citations by year
2025: 3 · 2024: 7 · 2023: 2 · 2022: 5 · 2021: 3 · 2020: 3 · 2019: 5 · 2018: 6 · 2017: 8 · 2016: 7 · 2015: 9 · 2014: 8 · 2013: 8 · 2012: 7
FWCI
3.37
Type
journal article
Language
en
Open access
closed
Locations
  • Journal of Neurochemistry (publishedVersion)
  • PubMed (publishedVersion)
Funders
  • Eli Lilly and Company
  • National Institutes of Health (5r01ns026004-05, 5r29ag010593-05)
  • National Institute on Aging (AG10593, AG05891)
  • National Institute of Neurological Disorders and Stroke (NS-26004)
Topics
  • Health Sciences › Medicine › Physiology › Alzheimer's disease research and treatments
  • Life Sciences › Neuroscience › Cellular and Molecular Neuroscience › Cerebrospinal fluid and hydrocephalus
  • Life Sciences › Neuroscience › Neurology › Barrier Structure and Function Studies
Keywords
amyloid-beta, cerebrospinal fluid, blood-CSF barrier, cerebral arteries, pial arteries, amyloid deposition, Alzheimer's disease, subarachnoid space
MeSH terms
Animals, Cerebral Arteries, Humans, Male, Metabolic Clearance Rate, Peptide Fragments, Amyloid beta-Peptides, Rats, Sprague-Dawley, Rats

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