ArticleScientific reports2022
Cortical waste clearance in normal and restricted sleep with potential runaway tau buildup in Alzheimer's disease.
Article in Scientific reports, 2022. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 6 papers.
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6 citing papers in PubMed, 16 citations in OpenAlex.
- Reduction of orexin-expressing neurons and a unique sleep phenotype in the Tg-SwDI mouse model of Alzheimer's disease.Frontiers in aging neuroscience · 2025Article
- [Ursolic acid improved demyelination and interstitial fluid drainage disorders in schizophrenia mice].Beijing da xue xue bao. Yi xue ban = Journal of Peking University. Health sciences · 2024Article
- Whole CNS 3D Cryo-Fluorescence Tomography Shows CSF Clearance along Nasal Lymphatics, Spinal Nerves, and Lumbar/Sacral Lymph Nodes.Journal of imaging · 2023Article
- Fluid dynamics in aging-related dementias.Neurobiology of disease · 2023Review
- Temporal dynamics of pro-inflammatory cytokines and serum corticosterone following acute sleep fragmentation in male mice.PloS one · 2023Article
- Circadian rhythms as modulators of brain health during development and throughout aging.Frontiers in neural circuits · 2022Review
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Authors and funding
3 authors at 2 institutions in 1 country.
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No grant is acknowledged in the PubMed record.
Abstract
Accumulation of waste in cortical tissue and glymphatic waste clearance via extracellular voids partly drives the sleep-wake cycle and modeling has reproduced much of its dynamics. Here, new modeling incorporates higher void volume and clearance in sleep, multiple waste compounds, and clearance obstruction by waste. This model reproduces normal sleep-wake cycles, sleep deprivation effects, and performance decreases under chronic sleep restriction (CSR). Once fitted to calibration data, it successfully predicts dynamics in further experiments on sleep deprivation, intermittent CSR, and recovery after restricted sleep. The results imply a central role for waste products with lifetimes similar to tau protein. Strong tau buildup is predicted if pathologically enhanced production or impaired clearance occur, with runaway buildup above a critical threshold. Predicted tau accumulation has timescales consistent with the development of Alzheimer's disease. The model unifies a wide sweep of phenomena, clarifying the role of glymphatic clearance and targets for interventions against waste buildup.
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