Cited by 44Alzheimer's disease research and treatmentsNeuroinflammation and Neurodegeneration MechanismsDementia and Cognitive Impairment Research

Parental origin of transgene modulates amyloid-β plaque burden in the 5xFAD mouse model of Alzheimer’s disease

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Sasmita, Andrew Octavian, Ong, Erinne Cherisse, Nazarenko, Taisiia, Mao, Shuying, Komarek, Lina, Thalmann, Maik, Hantakova, Veronika, Spieth, Lena +9 more·2025·Neuron

Abstract

In Alzheimer's disease (AD) research, the 5xFAD mouse model is commonly used as a heterozygote crossed with other genetic models to study AD pathology. We investigated whether the parental origin of the 5xFAD transgene affects plaque deposition. Using quantitative light-sheet microscopy, we found that paternal inheritance of the transgene led to a 2-fold higher plaque burden compared with maternal inheritance, a finding consistent across multiple 5xFAD colonies. This effect was not due to gestation in or rearing by 5xFAD females. Immunoblotting suggested that transgenic inheritance modulates transgenic protein expression, potentially due to genomic imprinting of the Thy1.2 promoter. Surprisingly, fewer than 20% of 5xFAD studies report breeding schemes, suggesting that this factor might confound previous findings. Our data highlight a significant determinant of plaque burden in 5xFAD mice and underscore the importance of reporting the parental origin of the transgene to improve scientific rigor and reproducibility in AD research.

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Crossref · 10.1016/j.neuron.2024.12.025

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  • Amyloid pathology is more accelerated and consistent in female 5xFAD mice compared with male 5xFAD mice.

    “amyloid pathology is more accelerated and consistent in female 5xFAD mice compared with male 5xFAD mice (Forner et al., 2021; Sasmita et al., 2025).”

    From Alzheimer’s genetic risk factor CASS4 controls microglial focal adhesion biology and amyloidosis (2026) · cites this paper as Sasmita et al., 2025

    The LSM results (p. 3) report approximately twice the plaque burden in female 5xFAD mice compared with age-matched males at six months. That supports greater pathology at that age, but the passage does not establish faster progression or greater consistency in females; the temporal analysis on the same page concerns males. (LLM, conf=0.86)

    Experimental — accuracy not yet measured
  • Litter-matched animals were used for comparison when applicable to control for potential differences in expression levels arising from paternal versus maternal transmission of the 5xFAD transgene.

    “To control for potential differences in expression levels arising from paternal versus maternal transmission of the 5xFAD transgene61, litter-matched animals were used for comparison when applicable.”
  • The parental origin of the 5xFAD transgene impacts Aβ burden in offspring.

    “Recent evidence showed that the parental origin of the 5xFAD transgene impacts Aβ burden in offspring (Sasmita et al., 2025)”
  • Aβ can bind to lipoproteins such as clusterin (ApoJ) and ApoE in the brain, which facilitates its clearance by microglia via TREM2.

    “However, Aβ can bind to lipoproteins such as clusterin (ApoJ) and ApoE in the brain82–84, which facilitates its clearance by microglia via TREM281.”

    From INPP5D/SHIP1 regulates endo-lysosomal function and cargo-selective phagocytosis in human microglia (2025) · cites this paper as [82]

    The citation is attached to the claim that lipoprotein-bound Aβ is cleared by microglia via TREM2. Our copy discusses 5xFAD plaque burden (Introduction, p. 2) and mentions Trem2 only when excluding crossbred models from a database search (Reporting of Thy1 promoter-driven transgenic AD models, p. 14). Searches for TREM2-mediated clearance and for clusterin/ApoJ and ApoE binding found no passage addressing that mechanism. (LLM, conf=0.74)

    Experimental — accuracy not yet measured

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Research works printed but not linked: 3

  1. [20]20. Sasaki, H., Hamada, T., Ueda, T., Seki, R., Higashinakagawa, T., and Sakaki, Y. (1991). Inherited type of allelic methylation variations in a mouse chromosome region where an integrated transgene shows methylation imprinting. Development 111 , 573-581. https://doi.org/10.1242/dev.111. 2.573. · DOI
  2. [22]22. Ueda, T., Yamazaki, K., Suzuki, R., Fujimoto, H., Sasaki, H., Sakaki, Y., and Higashinakagawa, T. (1992). Parental methylation patterns of a transgenic locus in adult somatic tissues are imprinted during gametogenesis. Development 116 , 831-839. https://doi.org/10.1242/dev.116.4.831. · DOI
  3. [23]23. DeLoia, J.A., and Solter, D. (1990). A transgene insertional mutation at an imprinted locus in the mouse genome. Development 108 , 73-79. https:// doi.org/10.1242/dev.108.Supplement.73. · DOI

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Authors
Sasmita, A. O., Ong, E. C., Nazarenko, T., Mao, S., Komarek, L., Thalmann, M., Hantakova, V., Spieth, L., Berghoff, S. A., Barr, H. J., Hingerl, M., Börensen, F., Hirrlinger, J., Simons, M., Stevens, B., Depp, C., & Nave, K.-A.
Affiliations
  • Max Planck Society (DE)
  • Max Planck Institute for Multidisciplinary Sciences (DE)
  • German Center for Neurodegenerative Diseases (DE)
  • University of Göttingen (DE)
  • Boston Children's Hospital (US)
  • Broad Institute (US)
Corresponding author
  • Sasmita, Andrew Octavian
  • Depp, Constanze
  • Nave, Klaus-Armin
Venue
Neuron
Publisher
Elsevier BV
Published
2025-03
Volume
113
Issue
6
Pages
838-846.e4
ISSN
0896-6273 (ISSN-L)
OpenAlex
W4406608755
Cited by
42
References
45
Citations by year
2026: 23 · 2025: 19
FWCI
27.03
Type
journal article
Language
en
Open access
Locations
  • Neuron (publishedVersion, cc-by)
  • PubMed (publishedVersion)
  • Open access LMU (Ludwid Maxmilian's Universitat Munchen) (submittedVersion, cc-by)
  • DZNE Pub (submittedVersion, cc-by)
  • GoeScholar The Publication Server of the Georg-August-Universität Göttingen (Georg-August-Universität Göttingen) (submittedVersion)
Funders
European Research Council
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
Alzheimer's disease, 5xFAD mice, amyloid plaques, paternal inheritance, maternal inheritance, genomic imprinting, transgene expression, breeding strategies, reproducibility
MeSH terms
Alzheimer Disease, Animals, Brain, Disease Models, Animal, Female, Humans, Male, Mice, Transgenic, Amyloid beta-Peptides, Amyloid beta-Protein Precursor, Transgenes, Mice, Plaque, Amyloid

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