Cited by 157Alzheimer's disease research and treatmentsDementia and Cognitive Impairment ResearchNeuroscience and Neuropharmacology Research

Behavioral phenotyping of GFAP-ApoE3 and -ApoE4 transgenic mice: ApoE4 mice show profound working memory impairments in the absence of Alzheimer’s-like neuropathology.

Hartman, R.E., Wozniak, D.F., Nardi, A., Olney, J.W., Sartorius, L., Holtzman, D.M.·2001·Experimental Neurology

Abstract

For the purpose of studying the potential neurobehavioral effects of different human apolipoprotein E (apoE) isoforms produced within the brain, transgenic (TG) mice were generated in which human apoE3 or apoE4 isoforms were under control of an astrocyte-specific, glial fibrillary acidic protein promoter and these TG mice were bred back to apoE knockout (KO) mice. Behavioral phenotypes of apoE3 and apoE4 TG mice were derived by conducting a longitudinal study in which apoE3 and apoE4 TG mice were compared with apoE KO and wild-type (WT) mice (all male) on several behavioral measures. Analysis of locomotor activity, "open-field" behaviors, acoustic startle/prepulse inhibition, and elevated plus maze data suggested that the apoE TG/KO groups were more "emotionally reactive" than WT mice, with apoE4 mice typically being the most reactive. The absence of performance differences among groups on the rotating holeboard and water navigation tasks suggested intact reference memory processing in apoE TG/KO mice. However, apoE4 mice were profoundly impaired on a working memory-based protocol in the radial arm maze (11-14 months). Nonassociative factors (sensorimotor capacities or emotionality differences) did not appear to confound interpretation of the learning/memory results. Western blot analysis revealed no alterations in the level of synaptic, neuronal, or glial markers in neocortex or hippocampus and histologic analysis revealed no evidence of Abeta deposition or neuritic plaques…

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Crossref · 10.1006/exnr.2001.7715

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  • ApoE4 mice were more severely impaired in working memory in a radial arm maze test.

    “Hartman et al. also demonstrated that apoE4 mice were more severely impaired in working memory in a radial arm maze test (Hartman et al., 2001).”
  • Compared with apoE3 transgenic mice, apoE4 transgenic mice were more severely impaired in learning and memory.

    “and were more severely impaired in learning and memory (Hartman et al., 2001; Raber et al., 1998; Raber et al., 2000).”

    From The role of apolipoprotein E in Alzheimer's disease (2009) · cites this paper as Hartman et al., 2001

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Authors
Hartman, R. E., Wozniak, D. F., Nardi, A., Olney, J. W., Sartorius, L., & Holtzman, D. M.
Affiliations
Washington University in St. Louis (US)
Corresponding author
Wozniak, D.F.
Venue
Experimental Neurology
Publisher
Elsevier BV
Published
2001-08
Volume
170
Issue
2
Pages
326-344
ISSN
0014-4886 (ISSN-L)
OpenAlex
W2017595192
Cited by
157
References
36
Citations by year
2026: 2 · 2025: 3 · 2024: 1 · 2023: 1 · 2022: 3 · 2021: 2 · 2020: 8 · 2019: 5 · 2018: 2 · 2017: 6 · 2016: 8 · 2015: 6 · 2014: 7 · 2013: 12 · 2012: 14
FWCI
5.98
Type
journal article
Language
en
Open access
closed
Locations
  • Experimental Neurology (publishedVersion)
  • PubMed (publishedVersion)
Funders
National Institute on Aging (AG11355-06, AG13956, P01AG011355)
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 › Cellular and Molecular Neuroscience › Neuroscience and Neuropharmacology Research
Keywords
apolipoprotein E, APOE ε4, APOE3, transgenic mice, GFAP promoter, astrocytes, working memory, reference memory, emotional reactivity, acoustic startle response, prepulse inhibition, radial maze, hippocampus, neocortex, Alzheimer's disease
MeSH terms
Acoustic Stimulation, Aging, Alzheimer Disease, Analysis of Variance, Animals, Apolipoproteins E, Cues, Emotions, Escape Reaction, Glial Fibrillary Acidic Protein, Humans, Learning, Male, Memory Disorders, Mice, Inbred C57BL, Mice, Transgenic, Motor Activity, Phenotype, Promoter Regions, Genetic, Reaction Time, Space Perception, Reflex, Startle, Time Factors, Mice, Knockout, Mice, Apolipoprotein E3, Apolipoprotein E4

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