Cited by 187Alzheimer's disease research and treatmentsNeuroinflammation and Neurodegeneration MechanismsDementia and Cognitive Impairment Research

Gene Transfer of Human Apoe Isoforms Results in Differential Modulation of Amyloid Deposition and Neurotoxicity in Mouse Brain

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Hudry, Eloise, Dashkoff, Jonathan, Roe, Alysson D., Takeda, Shuko, Koffie, Robert M., Hashimoto, Tadafumi, Scheel, Maria, Spires-Jones, Tara +4 more·2013·Science Translational Medicine

Abstract

Introduction of different APOE isoforms modulates Aβ peptide aggregation and neurotoxicity after amyloid deposition in mouse brain.

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Integrity signals

Registry

Crossref · 10.1126/scitranslmed.3007000

Cites

55 of 55 references verified0 citation errors · 0 not checkable

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  • One strategy to prevent Alzheimer's disease in APOE4 carriers is to modify the central nervous system genetically to express APOE2, providing the CNS with the protective APOE2 to balance the Alzheimer's disease risk associated with expression of APOE4.

    “Based on these observations, one strategy to prevent AD in APOE4 carriers is to modify the central nervous system (CNS) genetically to express APOE2, providing the CNS with the protective APOE2 to balance the AD risk associated with expression of APOE4.22–26”

    From AAVrh.10-Mediated APOE2 Central Nervous System Gene Therapy for APOE4-Associated Alzheimer's Disease (2018) · cites this paper as [24]

    Split into 2 atoms — 0 confirmed, 2 partially supported, 0 disputed, 0 misattributed, 0 unverifiable. Expand the claim to see per-atom verdicts.

    Experimental — accuracy not yet measured
  • Previous studies using homozygous APOE knock-in mice have been essential for defining isoform-specific effects of APOE2, APOE3, and APOE4.

    “Previous studies using homozygous APOE knock-in mice have been essential for de fi ning isoform-speci fi c effects of APOE2 , APOE3 , and APOE4”

    From APOE2 attenuates APOE4-associated amyloid pathology and related toxicity in a mouse model of Alzheimer’s disease (2026) · cites this paper as [33]

    The Discussion (page unavailable) reports that previous studies replacing murine Apoe with human APOE2, APOE3, or APOE4 found isoform-dependent differences in amyloid deposits. It does not specify that those mice were homozygous or characterize those studies as essential, so those details are not supported by our copy. (LLM, conf=0.82)

    Experimental — accuracy not yet measured
  • Exogenous E2 markedly decreases amyloid burden in mice.

    “Moving in vivo, other studies have explored vector-mediated delivery to supplement the E4 brain with neuroprotective E2 protein, showing that exogenous E2 markedly decreases amyloid burden in mice9–12.”

    From APOE4 to APOE2 allelic switching in mice improves Alzheimer’s disease-related metabolic signatures, neuropathology and cognition (2025) · cites this paper as [10]

    The Results section reports that AAV4-delivered APOE2 reduced amyloid-plaque density in APP/PS1 mice, supporting the claim that exogenous E2 decreases amyloid burden. The Animals methods describe separate groups receiving APOE2 or APOE4 vectors; they do not establish that E2 was delivered to an E4-expressing brain, as the citing sentence suggests. No page numbers are available in our copy. (LLM, conf=0.86)

    Experimental — accuracy not yet measured
  • Expression of apoE3 and apoE4 in the mouse brain results in diminished efflux of Aβ into the blood compared with apoE2.

    “Expression of apoE3 and apoE4 in the mouse brain results in diminished efflux of A␤ into the blood compared with apoE2 (Hudry et al., 2013).”

    From Anti-ApoE Antibody Given after Plaque Onset Decreases Aβ Accumulation and Improves Brain Function in a Mouse Model of Aβ Amyloidosis (2014) · cites this paper as Hudry et al., 2013

    The Results section reports lower plasma Aβ40 in mice expressing APOE3 or APOE4 than in those expressing APOE2 and says this suggests greater retention of Aβ in the CNS. The paper therefore supports the direction of the comparison, but diminished efflux is an inference from plasma concentrations, not a directly measured result. (LLM, conf=0.82)

    Experimental — accuracy not yet measured
  • Overexpression of human APOE ε2 allele in APP/PS1 mice attenuated brain Aβ oligomerization and plaque deposition, as well as peri-plaque synapse loss and neurite dystrophy, in contrast to injection of ApoE4-encoding AAVs.

    “overexpression of human APOE ε2 allele in APP/PS1 mice was able to attenuate brain Aβ oligomerization and plaque deposition, as well as peri-plaque synapse loss and neurite dystrophy, in contrast to the injection of ApoE4-encoding AAVs [79].”

    From Apoe4 and Alzheimer’s Disease Pathogenesis—Mitochondrial Deregulation and Targeted Therapeutic Strategies (2023) · cites this paper as [79]

    The Results sections on plaque deposition and peri-plaque neurotoxicity support the APOE2-versus-APOE4 comparison in APP/PS1 mice. However, the measured difference in Aβ oligomers comes from a separate experiment in Tg2576 mice, not APP/PS1 mice, so the claim extends that finding to the wrong model. Page numbers are unavailable in our copy. (LLM, conf=0.89)

    Experimental — accuracy not yet measured

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Authors
Hudry, E., Dashkoff, J., Roe, A. D., Takeda, S., Koffie, R. M., Hashimoto, T., Scheel, M., Spires-Jones, T., Arbel-Ornath, M., Betensky, R., Davidson, B. L., & Hyman, B. T.
Affiliations
  • MassGeneral Institute for Neurodegenerative Disease, Massachusetts General Hospital and Harvard Medical School, Charlestown, MA 02129, USA.
  • Harvard University (US)
  • University of Iowa (US)
Corresponding author
Hyman, Bradley T.
Venue
Science Translational Medicine
Published
2013-11-20
Volume
5
Issue
212
Pages
212ra161-212ra161
ISSN
  • 1946-6234 (ISSN-L)
  • 1946-6242
OpenAlex
W2136199683
Cited by
187
References
55
Citations by year
2026: 8 · 2025: 24 · 2024: 21 · 2023: 12 · 2022: 13 · 2021: 14 · 2020: 15 · 2019: 14 · 2018: 15 · 2017: 5 · 2016: 19 · 2015: 9 · 2014: 18
FWCI
10.68
Type
journal article
Language
en
Open access
Locations
  • Science Translational Medicine (publishedVersion)
  • PubMed (publishedVersion)
  • PubMed Central (acceptedVersion)
Funders
  • Japan Society for the Promotion of Science (24800015)
  • National Institute on Aging (R00AG033670, P50AG005134, 1RC1AG026265-01, R00AG33670, P30AG062421)
  • National Institute on Drug Abuse (F32DA026265)
  • National Institute of Diabetes and Digestive and Kidney Diseases (DK54759, P30DK054759)
  • National Institute of Neurological Disorders and Stroke (NS 34568, R01NS034568)
  • National Institute of Environmental Health Sciences (P30ES005605)
  • Eunice Kennedy Shriver National Institute of Child Health and Human Development (HD-33531, R01HD033531)
Topics
  • Health Sciences › Medicine › Physiology › 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 isoforms, APOE ε4, APOE2, Alzheimer's disease, amyloid-beta, synaptotoxicity, amyloid-beta oligomers, amyloid-beta clearance, dystrophic neurites, synaptic loss, gene transfer, transgenic mouse model, genetic risk
MeSH terms
Amyloid, Animals, Apolipoproteins E, Brain, Humans, Injections, Intraventricular, Mice, Transgenic, Transfection, Mice

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