Cited by 180Alzheimer's disease research and treatmentsNeuroinflammation and Neurodegeneration MechanismsDementia and Cognitive Impairment Research

The DOI matches its Crossref record; 41 of the 41 references it cites were found in a registry or an index.

Targeting of nonlipidated, aggregated apoE with antibodies inhibits amyloid accumulation

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Abstract

The apolipoprotein E E4 allele of the APOE gene is the strongest genetic factor for late-onset Alzheimer disease (LOAD). There is compelling evidence that apoE influences Alzheimer disease (AD) in large part by affecting amyloid β (Aβ) aggregation and clearance; however, the molecular mechanism underlying these findings remains largely unknown. Herein, we tested whether anti-human apoE antibodies can decrease Aβ pathology in mice producing both human Aβ and apoE4, and investigated the mechanism underlying these effects. We utilized APPPS1-21 mice crossed to apoE4-knockin mice expressing human apoE4 (APPPS1-21/APOE4). We discovered an anti-human apoE antibody, anti-human apoE 4 (HAE-4), that specifically recognizes human apoE4 and apoE3 and preferentially binds nonlipidated, aggregated apoE over the lipidated apoE found in circulation. HAE-4 also binds to apoE in amyloid plaques in unfixed brain sections and in living APPPS1-21/APOE4 mice. When delivered centrally or by peripheral injection, HAE-4 reduced Aβ deposition in APPPS1-21/APOE4 mice. Using adeno-associated virus to express 2 different full-length anti-apoE antibodies in the brain, we found that HAE antibodies decreased amyloid accumulation, which was dependent on Fcγ receptor function. These data support the hypothesis that a primary mechanism for apoE-mediated plaque formation may be a result of apoE aggregation, as preferentially targeting apoE aggregates with therapeutic antibodies reduces Aβ pathology and may represent a selective approach to treat AD.

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Metadata

Authors
Liao, F., Li, A., Xiong, M., Bien-Ly, N., Jiang, H., Zhang, Y., Finn, M. B., Hoyle, R., Keyser, J., Lefton, K. B., Robinson, G. O., Serrano, J. R., Silverman, A. P., Guo, J. L., Getz, J., Henne, K., Leyns, C. E. G., Gallardo, G., Ulrich, J. D., Sullivan, P. M., Lerner, E. P., Hudry, E., Sweeney, Z. K., Dennis, M. S., Hyman, B. T., Watts, R. J., & Holtzman, D. M.
Affiliations
  • Washington University in St. Louis (US)
  • Denali Therapeutics (United States) (US)
  • Duke University (US)
  • Harvard University (US)
Corresponding author
Holtzman, David M.
Venue
Journal of Clinical Investigation
Published
2018-03-30
Volume
128
Issue
5
Pages
2144-2155
ISSN
  • 0021-9738 (ISSN-L)
  • 1558-8238
OpenAlex
W2794553092
Cited by
178
References
41
Citations by year
2026: 18 · 2025: 23 · 2024: 24 · 2023: 23 · 2022: 21 · 2021: 15 · 2020: 21 · 2019: 19 · 2018: 14
FWCI
11.83
Type
journal article
Language
en
Open access
Locations
  • Journal of Clinical Investigation (publishedVersion)
  • Europe PMC (PubMed Central) (publishedVersion)
  • PubMed Central (publishedVersion)
  • PubMed (publishedVersion)
  • Digital Commons@Becker (Washington University School of Medicine) (submittedVersion)
Funders
  • National Insitiutes of Health (AG047644)
  • Denali (characterization of the effects of apoE antibodies)
  • BrightFocus Foundation (Effects of anti-apoE antibodies in APP mice)
  • National Institutes of Health (P50 AG05681, P01 AG03991, P01 AG026276)
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
apolipoprotein E, APOE ε4, Alzheimer's disease, amyloid-beta, antibody therapy, amyloid plaques, Fc gamma receptor, AAV gene delivery, amyloid accumulation
MeSH terms
Alzheimer Disease, Animals, Humans, Amyloid beta-Peptides, Mice, Knockout, Mice, Apolipoprotein E3, Apolipoprotein E4, Plaque, Amyloid, Antibodies, Monoclonal, Murine-Derived

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