Document Type
Article
Publication Date
4-1-2024
Original Citation
Soni N,
Hohsfield L,
Tran K,
Kawauchi S,
Walker A,
Javonillo D,
Phan J,
Matheos D,
Da Cunha C,
Uyar A,
Milinkeviciute G,
Gomez-Arboledas A,
Tran K,
Kaczorowski C,
Wood M,
Tenner A,
LaFerla F,
Carter GW,
Mortazavi A,
Swarup V,
MacGregor G,
Green K.
Genetic diversity promotes resilience in a mouse model of Alzheimer's disease. Alzheimers Dement. 2024;20(4):2794-816
Keywords
JMG, SS1, Mice, Humans, Female, Animals, Alzheimer Disease, Plaque, Amyloid, Resilience, Psychological, Mice, Inbred C57BL, Microglia, Genetic Variation, Disease Models, Animal, Mice, Transgenic, Amyloid beta-Peptides
JAX Source
Alzheimers Dement. 2024;20(4):2794-816
ISSN
1552-5279
PMID
38426371
DOI
https://doi.org/10.1002/alz.13753
Abstract
INTRODUCTION: Alzheimer's disease (AD) is a neurodegenerative disorder with multifactorial etiology, including genetic factors that play a significant role in disease risk and resilience. However, the role of genetic diversity in preclinical AD studies has received limited attention.
METHODS: We crossed five Collaborative Cross strains with 5xFAD C57BL/6J female mice to generate F1 mice with and without the 5xFAD transgene. Amyloid plaque pathology, microglial and astrocytic responses, neurofilament light chain levels, and gene expression were assessed at various ages.
RESULTS: Genetic diversity significantly impacts AD-related pathology. Hybrid strains showed resistance to amyloid plaque formation and neuronal damage. Transcriptome diversity was maintained across ages and sexes, with observable strain-specific variations in AD-related phenotypes. Comparative gene expression analysis indicated correlations between mouse strains and human AD.
DISCUSSION: Increasing genetic diversity promotes resilience to AD-related pathogenesis, relative to an inbred C57BL/6J background, reinforcing the importance of genetic diversity in uncovering resilience in the development of AD.
HIGHLIGHTS: Genetic diversity's impact on AD in mice was explored. Diverse F1 mouse strains were used for AD study, via the Collaborative Cross. Strain-specific variations in AD pathology, glia, and transcription were found. Strains resilient to plaque formation and plasma neurofilament light chain (NfL) increases were identified. Correlations with human AD transcriptomics were observed.
Comments
This is an open access article under the terms of the Creative Commons Attribution License, which permits use, distribution and reproduction in any medium, provided the original work is properly cited.