ArticleFrontiers in aging neuroscience2026
Acute total sleep deprivation transiently increases plasma total tau but not plasma P-tau181 in healthy adults.
Article in Frontiers in aging neuroscience, 2026. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Not yet cited in PubMed.
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Abstract
Background: Sleep deprivation is a modifiable risk factor for Alzheimer's disease (AD). Plasma amyloid-β (Aβ) and phosphorylated tau (P-tau) are closely related to cerebral AD pathology and serve as peripheral biomarkers. Our previous work showed that acute sleep deprivation elevated plasma Aβ Methods: Twenty healthy adults underwent 24 h of total sleep deprivation followed by daytime naps and a full night of recovery. Venous blood was drawn at 12 predefined time points. Plasma T-tau and P-tau181 were measured by enzyme-linked immunosorbent assay (ELISA). Results: Plasma T-tau increased by 35.09% ( Conclusion: Under an experimental protocol of 24-h sleep deprivation followed by recovery sleep, transient elevation of plasma T-tau (but not P-tau181) was observed in healthy young adults in this exploratory study. These findings indicate that conditions involving short-term sleep loss are associated with fluctuations in a nonspecific plasma marker of neuronal activity.
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