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Preprint links NOTCH3 variants to a different MRI lesion–brain volume pattern

A cross-sectional UK Biobank study found that white matter lesion volume had a different association with brain parenchymal fraction in people carrying certain NOTCH3 variants. The findings come from a medRxiv preprint and need to be interpreted in light of the small number of carriers studied.

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Preprint links blood p-tau217 to Alzheimer’s-related brain atrophy

A medRxiv preprint reports that plasma p-tau217 showed the broadest association with later Alzheimer’s-related brain atrophy among cognitively unimpaired participants. The observational analysis included 818 people and 2,293 longitudinal brain MRI scans.