Cited by 93Alzheimer's disease research and treatmentsDementia and Cognitive Impairment ResearchNeuroscience and Neuropharmacology Research

Activity changes and marked stereotypic behavior precede Aβ pathology in TgCRND8 Alzheimer mice

Ambrée, Oliver, Touma, Chadi, Görtz, Nicole, Keyvani, Kathy, Paulus, Werner, Palme, Rupert, Sachser, Norbert·2006·Neurobiology of Aging

Abstract

Alzheimer's disease (AD) is not only characterized by cognitive decline and neuropathological changes, but also by non-cognitive behavioral symptoms like restlessness, sleep disturbance, and wandering. These symptoms are categorized in the "Behavioral and Psychological Symptoms of Dementia" (BPSD). We investigated transgenic and wildtype mice of an APP transgenic mouse model of AD (TgCRND8) with respect to 24 h activity and spontaneous home cage behavior at 30, 60, 90 and 120 days of age. At all test days, transgenic and wildtype animals differed significantly with respect to activity patterns. In addition, activity rhythms changed distinctly in transgenic mice with increasing age. Transgenic mice also clearly showed more stereotypic behavior, which correlated significantly at 90 and 120 days of age with elevated corticosterone metabolite concentrations in fecal samples. Activity patterns in TgCRND8 mice resemble altered rhythms of activity in AD patients. Stereotypic behaviors may be caused by the same mechanisms as non-cognitive behavioral symptoms of AD. Thus, it is likely that analogies to BPSD that precede Abeta pathology are found in APP-overexpressing TgCRND8 mice.

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Crossref · 10.1016/j.neurobiolaging.2005.05.009

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Authors
Ambrée, O., Touma, C., Görtz, N., Keyvani, K., Paulus, W., Palme, R., & Sachser, N.
Affiliations
  • University of Münster (DE)
  • University Hospital Münster (DE)
  • University of Veterinary Medicine Vienna (AT)
Corresponding author
Ambrée, Oliver
Venue
Neurobiology of Aging
Publisher
Elsevier BV
Published
2006-07
Volume
27
Issue
7
Pages
955-964
ISSN
0197-4580 (ISSN-L)
OpenAlex
W2030336791
Cited by
93
References
84
Citations by year
2026: 2 · 2025: 3 · 2024: 2 · 2023: 1 · 2022: 8 · 2021: 4 · 2020: 2 · 2019: 4 · 2018: 3 · 2017: 5 · 2016: 4 · 2015: 3 · 2014: 7 · 2013: 5 · 2012: 11
FWCI
2.20
Type
journal article
Language
en
Open access
closed
Locations
  • Neurobiology of Aging (publishedVersion)
  • PubMed (publishedVersion)
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
Alzheimer's disease, TgCRND8 mice, APP transgenic mice, behavioral and psychological symptoms of dementia, stereotypy, activity rhythms, circadian activity, amyloid-beta pathology, corticosterone metabolites, restlessness, sleep disorders, wandering
MeSH terms
Adrenal Medulla, Aging, Alzheimer Disease, Animals, Behavior, Animal, Brain, Circadian Rhythm, Corticosterone, Disease Models, Animal, Humans, Male, Mice, Inbred C57BL, Mice, Transgenic, Motor Activity, Stereotyped Behavior, Tyrosine 3-Monooxygenase, Amyloid beta-Protein Precursor, Mice, Plaque, Amyloid

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