Fluid transport in the brain

MK Rasmussen, H Mestre… - Physiological …, 2022 - journals.physiology.org
The brain harbors a unique ability to, figuratively speaking, shift its gears. During
wakefulness, the brain is geared fully toward processing information and behaving, while …

The glymphatic system: Current understanding and modeling

T Bohr, PG Hjorth, SC Holst, S Hrabětová, V Kiviniemi… - IScience, 2022 - cell.com
We review theoretical and numerical models of the glymphatic system, which circulates
cerebrospinal fluid and interstitial fluid around the brain, facilitating solute transport. Models …

Impaired glymphatic function and clearance of tau in an Alzheimer's disease model

IF Harrison, O Ismail, A Machhada, N Colgan, Y Ohene… - Brain, 2020 - academic.oup.com
The glymphatic system, that is aquaporin 4 (AQP4) facilitated exchange of CSF with
interstitial fluid (ISF), may provide a clearance pathway for protein species such as amyloid …

The glymphatic system: implications for drugs for central nervous system diseases

TJ Lohela, TO Lilius, M Nedergaard - Nature Reviews Drug Discovery, 2022 - nature.com
In the past decade, evidence for a fluid clearance pathway in the central nervous system
known as the glymphatic system has grown. According to the glymphatic system concept …

Perivascular spaces in the brain: anatomy, physiology and pathology

JM Wardlaw, H Benveniste, M Nedergaard… - Nature Reviews …, 2020 - nature.com
Perivascular spaces include a variety of passageways around arterioles, capillaries and
venules in the brain, along which a range of substances can move. Although perivascular …

Blood-brain barrier: from physiology to disease and back

MD Sweeney, Z Zhao, A Montagne… - Physiological …, 2019 - journals.physiology.org
The blood-brain barrier (BBB) prevents neurotoxic plasma components, blood cells, and
pathogens from entering the brain. At the same time, the BBB regulates transport of …

The glymphatic pathway in neurological disorders

MK Rasmussen, H Mestre, M Nedergaard - The Lancet Neurology, 2018 - thelancet.com
Background The glymphatic (glial-lymphatic) pathway is a fluid-clearance pathway identified
in the rodent brain in 2012. This pathway subserves the flow of CSF into the brain along …

Blood–brain barrier breakdown in Alzheimer disease and other neurodegenerative disorders

MD Sweeney, AP Sagare, BV Zlokovic - Nature Reviews Neurology, 2018 - nature.com
The blood–brain barrier (BBB) is a continuous endothelial membrane within brain
microvessels that has sealed cell-to-cell contacts and is sheathed by mural vascular cells …

Sleep deprivation impairs molecular clearance from the human brain

PK Eide, V Vinje, AH Pripp, KA Mardal, G Ringstad - Brain, 2021 - academic.oup.com
It remains an enigma why human beings spend one-third of their life asleep. Experimental
data suggest that sleep is required for clearance of waste products from brain metabolism …

Sleep cycle-dependent vascular dynamics in male mice and the predicted effects on perivascular cerebrospinal fluid flow and solute transport

L Bojarskaite, A Vallet, DM Bjørnstad… - Nature …, 2023 - nature.com
Perivascular spaces are important highways for fluid and solute transport in the brain
enabling efficient waste clearance during sleep. However, the underlying mechanisms …