Alzheimers disease blood-based biomarkers in the Boston Latino Aging Study (BLAST): Associations with cognition and depressive symptoms

Background: Blood-based biomarkers (BBMs) may facilitate early detection of Alzheimers disease (AD), yet data in Latino populations remain limited. We examined associations of plasma biomarkers with cognition and depressive symptoms in Spanish-speaking Latino older adults enrolled in the Boston Latino Aging Study (BLAST). Methods: Baseline data from 122 older adults without dementia were analyzed. Plasma AB42/40, brain-derived phosphorylated tau (p-tau) 217, neurofilament light chain (NfL) and glial fibrillary acidic protein (GFAP) were measured using NULISA. Cognition was assessed with the La

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