Cited by 91Alzheimer's disease research and treatmentsDementia and Cognitive Impairment ResearchNeuroinflammation and Neurodegeneration Mechanisms

Sex‐biased hippocampal pathology in the 5XFAD mouse model of Alzheimer's disease: A multi‐omic analysis

Bundy, Joseph L., Vied, Cynthia, Badger, Crystal, Nowakowski, Richard S.·2019·Journal of Comparative Neurology

Abstract

Alzheimer's disease is a progressive neurodegenerative disorder and the most common form of dementia. Like many neurological disorders, Alzheimer's disease has a sex-biased epidemiological profile, affecting approximately twice as many women as men. The cause of this sex difference has yet to be elucidated. To identify molecular correlates of this sex bias, we investigated molecular pathology in females and males using the 5XFamilial Alzheimer's disease mutations (5XFAD) genetic mouse model of Alzheimer's disease. We profiled the transcriptome and proteome of the mouse hippocampus during early stages of disease development (1, 2, and 4 months of age). Our analysis reveals 42 genes that are differentially expressed between disease and wild-type animals at 2 months of age, prior to observable plaque deposition. In 4-month-old animals, we detect 1,316 differentially expressed transcripts between transgenic and control 5XFAD mice, many of which are associated with immune function. Additionally, we find that some of these transcriptional perturbations are correlated with altered protein levels in 4-month-old transgenic animals. Importantly, our data indicate that female 5XFAD mouse exhibit more profound pathology than their male counterparts as measured by differences in gene expression. We also find that the 5XFAD transgenes are more highly expressed in female 5XFAD mice than their male counterparts, which could partially account for the sex-biased molecular pathology observed in this dataset.

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Crossref · 10.1002/cne.24551

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  • Mice from both sexes were used unless otherwise specified; when both male and female mice were used, an analysis for sex differences was performed; unless otherwise noted, no sex differences were observed.

    “Given the reported sex differences in some disease pathology phenotypes46,47,62, mice from both sexes were used unless otherwise specified. When both male and female mice were used, an analysis for sex differences was performed; unless otherwise noted, no sex differences were observed.”

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Authors
Bundy, J. L., Vied, C., Badger, C., & Nowakowski, R. S.
Affiliations
Florida State University (US)
Corresponding author
Bundy, Joseph L.
Venue
Journal of Comparative Neurology
Publisher
Wiley
Published
2018-11-08
Volume
527
Issue
2
Pages
462-475
ISSN
  • 0021-9967 (ISSN-L)
  • 1096-9861
OpenAlex
W2894858108
Cited by
90
References
67
Citations by year
2026: 7 · 2025: 11 · 2024: 11 · 2023: 16 · 2022: 15 · 2021: 16 · 2020: 9 · 2019: 5
FWCI
5.16
Type
journal article
Language
en
Open access
closed
Locations
  • The Journal of Comparative Neurology (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 › Neurology › Neuroinflammation and Neurodegeneration Mechanisms
Keywords
Alzheimer's disease, sex differences, 5xFAD mice, hippocampus, transcriptome, proteome, differentially expressed genes, immune function, early-stage disease, transgene expression
MeSH terms
Aging, Alzheimer Disease, Animals, Disease Models, Animal, Female, Hippocampus, Male, Mice, Inbred C57BL, Mice, Transgenic, RNA, Messenger, Sex Characteristics, Proteome, Plaque, Amyloid, Transcriptome

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