Cited by 273Alzheimer's disease research and treatmentsDementia and Cognitive Impairment ResearchNeuroinflammation and Neurodegeneration Mechanisms

Sex differences in β-amyloid accumulation in 3xTg-AD mice: Role of neonatal sex steroid hormone exposure

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Carroll, Jenna C., Rosario, Emily R., Kreimer, Sara, Villamagna, Angela, Gentzschein, Elisabet, Stanczyk, Frank Z., Pike, Christian J.·2010·Brain Research

Abstract

The risk of Alzheimer's disease (AD) is higher in women than in men, a sex difference that likely results from the effects of sex steroid hormones. To investigate this relationship, we first compared progression of β-amyloid (Aβ) pathology in male and female triple transgenic (3xTg-AD) mice. We found that female 3xTg-AD mice exhibit significantly greater Aβ burden and larger behavioral deficits than age-matched males. Next, we evaluated how the organizational effects of sex steroid hormones during postnatal development may affect adult vulnerability to Aβ pathology. We observed that male 3xTg-AD mice demasculinized during early development exhibit significantly increased Aβ accumulation in adulthood. In contrast, female mice defeminized during early development exhibit a more male-like pattern of Aβ pathology in adulthood. Taken together, these results demonstrate significant sex differences in pathology in 3xTg-AD mice and suggest that these differences may be mediated by organizational actions of sex steroid hormones during development.

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Authors
Carroll, J. C., Rosario, E. R., Kreimer, S., Villamagna, A., Gentzschein, E., Stanczyk, F. Z., & Pike, C. J.
Affiliations
University of Southern California (US)
Corresponding author
Pike, Christian J.
Venue
Brain Research
Publisher
Elsevier BV
Published
2010-12
Volume
1366
Pages
233-245
ISSN
0006-8993 (ISSN-L)
OpenAlex
W2072193814
Cited by
273
References
119
Citations by year
2026: 11 · 2025: 26 · 2024: 31 · 2023: 15 · 2022: 25 · 2021: 27 · 2020: 33 · 2019: 24 · 2018: 27 · 2017: 13 · 2016: 12 · 2015: 11 · 2014: 5 · 2013: 4 · 2012: 7
FWCI
2.82
Type
journal article
Language
en
Open access
Locations
  • Brain Research (publishedVersion)
  • PubMed (publishedVersion)
  • Europe PMC (PubMed Central) (acceptedVersion)
  • PubMed Central (acceptedVersion)
Funders
NIH (AG23739, AG026572, F31NS059174, NS52143)
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 › Neurology › Neuroinflammation and Neurodegeneration Mechanisms
Keywords
sex differences, amyloid-beta deposition, Alzheimer's disease, 3xTg-AD mice, sex hormones, organizational effects, neonatal hormone exposure, demasculinization, defeminization, postnatal development, amyloid pathology, behavioral deficits
MeSH terms
Age Factors, Analysis of Variance, Androgen Antagonists, Androgens, Animals, Animals, Newborn, Brain, Exploratory Behavior, Female, Flutamide, Humans, Male, Mice, Transgenic, Mutation, Orchiectomy, Ovariectomy, Sexual Behavior, Animal, Sex Characteristics, Testosterone, Amyloid beta-Peptides, Amyloid beta-Protein Precursor, tau Proteins, Maze Learning, Mice, Presenilin-1

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