Cited by 2,012Alzheimer's disease research and treatmentsNeuroinflammation and Neurodegeneration MechanismsDementia and Cognitive Impairment Research

The DOI matches its Crossref record; 10 of the 11 references it cites were found in a registry or an index.

Peripherally administered antibodies against amyloid β-peptide enter the central nervous system and reduce pathology in a mouse model of Alzheimer disease

Abstract

One hallmark of Alzheimer disease is the accumulation of amyloid beta-peptide in the brain and its deposition as plaques. Mice transgenic for an amyloid beta precursor protein (APP) mini-gene driven by a platelet-derived (PD) growth factor promoter (PDAPP mice), which overexpress one of the disease-linked mutant forms of the human amyloid precursor protein, show many of the pathological features of Alzheimer disease, including extensive deposition of extracellular amyloid plaques, astrocytosis and neuritic dystrophy. Active immunization of PDAPP mice with human amyloid beta-peptide reduces plaque burden and its associated pathologies. Several hypotheses have been proposed regarding the mechanism of this response. Here we report that peripheral administration of antibodies against amyloid beta-peptide, was sufficient to reduce amyloid burden. Despite their relatively modest serum levels, the passively administered antibodies were able to enter the central nervous system, decorate plaques and induce clearance of preexisting amyloid. When examined in an ex vivo assay with sections of PDAPP or Alzheimer disease brain tissue, antibodies against amyloid beta-peptide triggered microglial cells to clear plaques through Fc receptor-mediated phagocytosis and subsequent peptide degradation. These results indicate that antibodies can cross the blood-brain barrier to act directly in the central nervous system and should be considered as a therapeutic approach for the treatment of Alzheimer disease and other neurological disorders.

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Crossref · 10.1038/78682

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Metadata

Authors
Bard, F., Cannon, C., Barbour, R., Burke, R.-L., Games, D., Grajeda, H., Guido, T., Hu, K., Huang, J., Johnson-Wood, K., Khan, K., Kholodenko, D., Lee, M., Lieberburg, I., Motter, R., Nguyen, M., Soriano, F., Vasquez, N., Weiss, K., Welch, B., Seubert, P., Schenk, D., & Yednock, T.
Affiliations
Elan Pharmaceuticals, Inc. (Ireland) (IE)
Corresponding author
Bard, Frédérique
Venue
Nature Medicine
Published
2000-08
Volume
6
Issue
8
Pages
916-919
ISSN
  • 1078-8956 (ISSN-L)
  • 1546-170X
OpenAlex
W1567490604
Cited by
2,012
References
11
Citations by year
2026: 23 · 2025: 36 · 2024: 38 · 2023: 41 · 2022: 49 · 2021: 32 · 2020: 73 · 2019: 46 · 2018: 41 · 2017: 48 · 2016: 76 · 2015: 66 · 2014: 107 · 2013: 89 · 2012: 107
FWCI
67.08
Type
journal article
Language
en
Open access
closed
Locations
  • Nature Medicine (publishedVersion)
  • PubMed (publishedVersion)
Topics
  • Life Sciences › Neuroscience › Cellular and Molecular Neuroscience › Alzheimer's disease research and treatments
  • Life Sciences › Neuroscience › Neurology › Neuroinflammation and Neurodegeneration Mechanisms
  • Health Sciences › Medicine › Psychiatry and Mental health › Dementia and Cognitive Impairment Research
Keywords
Alzheimer's disease, amyloid-beta, passive immunization, anti-amyloid antibodies, blood-brain barrier penetration, amyloid plaques, microglial phagocytosis, Fc receptors, PDAPP mice, amyloid precursor protein, plaque clearance, antibody therapy
MeSH terms
Alzheimer Disease, Animals, Antibodies, Disease Models, Animal, Humans, Immunization, Mice, Transgenic, Phagocytosis, Amyloid beta-Peptides, Mice, Plaque, Amyloid, In Vitro Techniques

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