ArticleAlzheimer's & dementia : the journal of the Alzheimer's Association2025
The effect of Alzheimer's disease genetic factors on limbic white matter microstructure.
Article in Alzheimer's & dementia : the journal of the Alzheimer's Association, 2025. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 9 papers.
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Who cites it
9 citing papers in PubMed.
- Regional juxtacortical microstructural changes and gene expression provide insights into neurodegeneration in Alzheimer's disease.Translational psychiatry · 2026Article
- Genetic architecture of the limbic white matter microstructure in aging and Alzheimer's Disease.Alzheimer's & dementia : the journal of the Alzheimer's Association · 2026Article
- Contributions of the Alzheimer's Disease Neuroimaging Initiative to advancing AD research: a targeted review of recent publications.Alzheimer's & dementia : the journal of the Alzheimer's Association · 2026Review
- Free water changes and their correlations with multimodal biomarkers in frontotemporal dementia.Alzheimer's & dementia : the journal of the Alzheimer's Association · 2026Article
- Abnormal signal transmission in white matter revealed by resting-state communication connectivity in Alzheimer's disease: A comprehensive cross-sectional and longitudinal study.Translational psychiatry · 2026Article
- Neuroimaging PheWAS and molecular phenotyping implicate PSMC3 in Alzheimer's disease.Alzheimer's & dementia : the journal of the Alzheimer's Association · 2026Article
- Neuroimaging PheWAS and molecular phenotyping implicatemedRxiv : the preprint server for health sciences · 2025Article
- The effect of Alzheimer's disease genetic factors on limbic white matter microstructure.Alzheimer's & dementia : the journal of the Alzheimer's Association · 2025Article
- White matter microstructure in mid- to late adulthood is influenced by pathway-stratified polygenic risk for Alzheimer's disease.Frontiers in neuroscience · 2025Article
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Abstract
introductionWhite matter (WM) microstructure is essential for brain function but deteriorates with age and in neurodegenerative conditions such as Alzheimer's disease (AD). Diffusion MRI, enhanced by advanced bi-tensor models accounting for free water (FW), enables in vivo quantification of WM microstructural differences.
methodsTo evaluate how AD genetic risk factors affect limbic WM microstructure - crucial for memory and early impacted in disease - we conducted linear regression analyses in a cohort of 2,614 non-Hispanic White aging adults (aged 50.12 to 100.85 years). The study evaluated 36 AD risk variants across 26 genes, the association between AD polygenic scores (PGSs) and WM metrics, and interactions with cognitive status.
resultsAD PGSs, variants in TMEM106B, PTK2B, WNT3, and apolipoprotein E (APOE), and interactions involving MS4A6A were significantly linked to WM microstructure. DISCUSSION: These findings implicate AD-related genetic factors related to neurodevelopment (WNT3), lipid metabolism (APOE), and inflammation (TMEM106B, PTK2B, MS4A6A) that contribute to alternations in WM microstructure in older adults. HIGHLIGHTS: AD risk variants in TMEM106B, PTK2B, WNT3, and APOE genes showed distinct associations with limbic FW-corrected WM microstructure metrics. Interaction effects were observed between MS4A6A variants and cognitive status. PGS for AD was associated with higher FW content in the limbic system.
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