What question did this study set out to answer?

This research aims to explore how APOE4, sex, and diet interact to affect Alzheimer’s disease outcomes in mice.

May 8, 2026FASEB BioAdvancesOpen Access

APOE4 Drives Sex‐ and Diet‐Dependent Effects on AD ‐Like Pathology, Cognition, and Mitochondrial Function

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Authors

CJChelsea N. Johnson CLColton R Lysaker XCXin Cao

Discussion

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Overview

Randomized trial reveals APOE4 interacts with sex and diet to influence Alzheimer's-related outcomes in mice, suggesting new avenues for understanding disease mechanisms.

Key Points

This research aims to explore how APOE4, sex, and diet interact to affect Alzheimer’s disease outcomes in mice.
Targeted replacement mice (APOE3 and APOE4) were fed low‐fat or high‐fat diets from 4 to 8 months old.
Measurements included serum biomarkers, brain amyloid beta, APOE, tau, learning and memory, and mitochondrial function.
Proteomic analysis assessed the impact of APOE4 on mitochondrial pathways.
High-fat diet led to increased serum neurodegenerative biomarkers NfL and GFAP.
Brain amyloid beta levels were significantly influenced by sex, diet, and genotype.
APOE4 mice exhibited lower brain APOE levels and impaired learning compared to APOE3 mice.

Cite This Study

Johnson et al. (2026) studied this question.

synapsesocial.com/papers/69fd7f25bfa21ec5bbf07942 https://doi.org/10.1096/fba.2026-00121

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May 8, 2026FASEB BioAdvancesOpen Access

APOE4 Drives Sex‐ and Diet‐Dependent Effects on AD ‐Like Pathology, Cognition, and Mitochondrial Function

View Full Paper

Ask AI

Bookmark

Authors

CJChelsea N. Johnson CLColton R Lysaker XCXin Cao

Discussion

Member takes

Overview

Randomized trial reveals APOE4 interacts with sex and diet to influence Alzheimer's-related outcomes in mice, suggesting new avenues for understanding disease mechanisms.

Key Points

This research aims to explore how APOE4, sex, and diet interact to affect Alzheimer’s disease outcomes in mice.
Targeted replacement mice (APOE3 and APOE4) were fed low‐fat or high‐fat diets from 4 to 8 months old.
Measurements included serum biomarkers, brain amyloid beta, APOE, tau, learning and memory, and mitochondrial function.
Proteomic analysis assessed the impact of APOE4 on mitochondrial pathways.
High-fat diet led to increased serum neurodegenerative biomarkers NfL and GFAP.
Brain amyloid beta levels were significantly influenced by sex, diet, and genotype.
APOE4 mice exhibited lower brain APOE levels and impaired learning compared to APOE3 mice.

Cite This Study

Johnson et al. (2026) studied this question.

synapsesocial.com/papers/69fd7f25bfa21ec5bbf07942 https://doi.org/10.1096/fba.2026-00121

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