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A blood test for p-tau217 may predict dementia in women up to 25 years early, per UC San Diego study.
A new blood test measuring p-tau217 levels may predict dementia in women up to 25 years before symptoms appear, according to a University of California San Diego study.
Analyzing data from 2,766 women followed for up to 25 years, researchers found higher p-tau217 levels at the study’s start were strongly linked to later dementia and mild cognitive impairment, especially in women over 70, those with the APOE ε4 gene, and those on estrogen plus progestin hormone therapy.
The test, less invasive than brain scans or spinal fluid tests, offers potential for early prevention, though it is not yet recommended for clinical use and requires further study across diverse populations.
Un análisis de sangre para p-tau217 puede predecir demencia en mujeres hasta 25 años antes, según un estudio de UC San Diego.