Cited by 167Alzheimer's disease research and treatmentsDementia and Cognitive Impairment ResearchNeuroinflammation and Neurodegeneration Mechanisms

Blocking the apolipoprotein E/amyloid-β interaction as a potential therapeutic approach for Alzheimer's disease

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Sadowski, Martin J., Pankiewicz, Joanna, Scholtzova, Henrieta, Mehta, Pankaj D., Prelli, Frances, Quartermain, David, Wisniewski, Thomas·2006·Proceedings of the National Academy of Sciences

Abstract

The amyloid-β (Aβ) cascade hypothesis of Alzheimer's disease (AD) maintains that accumulation of Aβ peptide constitutes a critical event in the early disease pathogenesis. The direct binding between Aβ and apolipoprotein E (apoE) is an important factor implicated in both Aβ clearance and its deposition in the brain's parenchyma and the walls of meningoencephalic vessels as cerebral amyloid angiopathy. With the aim of testing the effect of blocking the apoE/Aβ interaction in vivo as a potential novel therapeutic target for AD pharmacotherapy, we have developed Aβ12-28P, which is a blood-brain-barrier-permeable nontoxic, and nonfibrillogenic synthetic peptide homologous to the apoE binding site on the full-length Aβ. Aβ12-28P binds with high affinity to apoE, preventing its binding to Aβ, but has no direct effect on Aβ aggregation. Aβ12-28P shows a strong pharmacological effect in vivo . Its systemic administration resulted in a significant reduction of Aβ plaques and cerebral amyloid angiopathy burden and a reduction of the total brain level of Aβ in two AD transgenic mice models. The treatment did not affect the levels of soluble Aβ fraction or Aβ oligomers, indicating that inhibition of the apoE/Aβ interaction in vivo has a net effect of increasing Aβ clearance over deposition and at the same time does not create conditions favoring formation of toxic oligomers. Furthermore, behavioral studies demonstrated that treatment with Aβ12-28P prevents a memory deficit in transgenic animals. These findings provide evidence of another therapeutic approach for AD.

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Research works printed but not linked: 2

  1. [7]Herz J. J Clin Invest. 2003;112:1483–1485. doi: 10.1172/JCI20337. [DOI] [PMC free article] [PubMed] [Google Scholar] · DOI
  2. [11]Wisniewski T, Castaño EM, Golabek AA, Vogel T, Frangione B. Am J Pathol. 1994;145:1030–1035. [PMC free article] [PubMed] [Google Scholar]

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Authors
Sadowski, M. J., Pankiewicz, J., Scholtzova, H., Mehta, P. D., Prelli, F., Quartermain, D., & Wisniewski, T.
Affiliations
  • *Departments of Neurology,
  • New York State Institute for Basic Research in Developmental Disabilities, 1050 Forest Hill Road, Staten Island, NY 10314
Venue
Proceedings of the National Academy of Sciences
Published
2006-12-05
Volume
103
Issue
49
Pages
18787-18792
ISSN
  • 0027-8424 (ISSN-L)
  • 1091-6490
OpenAlex
W2004069543
Cited by
167
References
29
Citations by year
2026: 6 · 2025: 3 · 2024: 5 · 2023: 3 · 2022: 3 · 2021: 7 · 2020: 8 · 2019: 8 · 2018: 6 · 2017: 7 · 2016: 5 · 2015: 5 · 2014: 16 · 2013: 13 · 2012: 16
FWCI
8.19
Type
journal article
Language
en
Open access
Locations
  • Proceedings of the National Academy of Sciences (publishedVersion)
  • Europe PMC (PubMed Central) (publishedVersion)
  • PubMed Central (publishedVersion)
  • PubMed (publishedVersion)
Funders
National Institute on Aging (AG15408, R01AG015408, AG 20747, P30AG008051, R01AG020245, K08AG020747)
Topics
  • Health Sciences › Medicine › Physiology › Alzheimer's disease research and treatments
  • Health Sciences › Medicine › Psychiatry and Mental health › Dementia and Cognitive Impairment Research
  • Life Sciences › Neuroscience › Neurology › Neuroinflammation and Neurodegeneration Mechanisms
Keywords
Alzheimer's disease, amyloid-beta, apolipoprotein E, synthetic peptides, amyloid-beta clearance, cerebral amyloid angiopathy, amyloid plaques, amyloid-beta oligomers, memory impairment, transgenic mouse model, blood-brain barrier permeability, therapeutic target
MeSH terms
Alzheimer Disease, Animals, Apolipoproteins E, Binding, Competitive, Female, Mice, Transgenic, Peptide Fragments, Amyloid beta-Peptides, Amyloid beta-Protein Precursor, Mice

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