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Y. Iturria-medina

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Open access Sep 2026

Astrocyte reactivity identifies p-tau217-positive individuals at elevated risk of cognitive decline across the Alzheimer’s disease continuum

It is shown that elevated plasma GFAP significantly modulates the association between p-tau217 and both cross-sectional cognitive severity and longitudinal clinical decline, and support that astrocyte reactivity is associated with greater cognitive impairment and faster clinical decline among individuals with elevated...

B. Bellaver, G. Povala, P. C. L. Ferreira et al. · 0 citations
Open access Jul 2026

Parent-of-origin effects in Alzheimer’s liability dissociate neurocognitive and cardiovascular traits in at-risk individuals

Summary Alzheimer’s disease (AD) has a higher prevalence in women than men and is more frequently inherited from mothers than fathers. Yet, while neuroimaging and biomarker studies link maternal family history to stronger AD-related alterations, epidemiological studies suggest that paternal history confers comparable o...

Chloé Savignac, Frédéric St-Onge, S. Villeneuve et al. · 0 citations
Open access Jul 2026

Machine-learning MRI stratification of genetic frontotemporal dementia for clinical trial enrichment

Machine-learning stratification of genetic FTD reveals a progressive and a dissociated disease track and provides individualized progression scores that closely track clinical status, enabling smaller, more efficient prevention and early-intervention trials than conventional MRI or NfL markers alone.

M. Soltaninejad, Y. Iturria-Medina, A. Bouzigues et al. · 0 citations
#diffusion models Open access Aug 2026

Lesion-Level Subtypes of White Matter Hyperintensity Evolution Beyond Spatial Location

Lesion composition may offer a more informative framework than global WMH burden for understanding cerebrovascular contributions to aging and neurodegeneration, with potential implications for risk stratification, clinical interpretation, and targeted interventions.

Raúl González-Gómez, Enzo Tagliazuchi, C. G. Campo et al. · 0 citations

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