Cited by 5,824Cerebrospinal fluid and hydrocephalusIon Transport and Channel RegulationBarrier Structure and Function Studies

A Paravascular Pathway Facilitates CSF Flow Through the Brain Parenchyma and the Clearance of Interstitial Solutes, Including Amyloid β

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Iliff, Jeffrey J., Wang, Minghuan, Liao, Yonghong, Plogg, Benjamin A., Peng, Weiguo, Gundersen, Georg A., Benveniste, Helene, Vates, G. Edward +4 more·2012·Science Translational Medicine

Abstract

Cerebrospinal fluid flows through channels around brain blood vessels that are bounded by astrocytic endfeet, mediated by water transport through aquaporin-4.

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Crossref · 10.1126/scitranslmed.3003748

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  • The glymphatic system is a CSF-interstitial fluid transport pathway, supported by perivascular spaces, astrocytic water channels, vascular pulsatility, and meningeal lymphatic drainage, that contributes to waste clearance and fluid homeostasis in the brain.

    “the glymphatic system, a CSF–interstitial fluid transport pathway, supported by perivascular spaces, astrocytic water channels, vascular pulsatility, and meningeal lymphatic drainage, that contributes to waste clearance and fluid homeostasis in the brain (Iliff et al., 2012).”

    From 40 Years of diffusion MRI in the brain: From history to emerging frontiers (2026) · cites this paper as Iliff et al., 2012

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  • Animal studies have shown communication between the subarachnoid CSF space and perivascular compartments of the brain and spinal cord.

    “Previous animal studies have shown communication between the subarachnoid cerebrospinal fluid (CSF) space and perivascular compartments of the brain (6-10) and spinal cord (11).”
  • In 2012, a brain-wide pathway for convective transport of waste solutes from the brain was first described and denoted the glymphatic system.

    “In 2012, a brain-wide pathway for convective transport of waste solutes from the brain was first described and denoted the glymphatic system (7).”
  • Impaired glymphatic function has been suggested to be instrumental in a range of brain diseases, including Alzheimer's dementia, posttraumatic encephalopathy, ageing, sleep, depression, and exercise.

    “Impaired glymphatic function has been suggested to be instrumental in a range of brain diseases; this has been illustrated most in Alzheimer's dementia (7, 19, 20) but has also been shown to be relevant in posttraumatic encephalopathy (21), ageing (22), sleep (23, 24), depression (20), and exercise (25).”
  • Animal studies report diverging findings regarding the sites of perivascular brain influx and efflux and direction of perivascular flow.

    “Moreover, animal studies report diverging findings regarding the sites of perivascular brain influx and efflux and direction of perivascular flow (7, 15, 16).”

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Authors
Iliff, J. J., Wang, M., Liao, Y., Plogg, B. A., Peng, W., Gundersen, G. A., Benveniste, H., Vates, G. E., Deane, R., Goldman, S. A., Nagelhus, E. A., & Nedergaard, M.
Affiliations
  • University of Rochester Medicine (US)
  • University of Oslo (NO)
  • Stony Brook University (US)
Corresponding author
  • Iliff, Jeffrey J.
  • Nedergaard, Maiken
Venue
Science Translational Medicine
Published
2012-08-15
Volume
4
Issue
147
Pages
147ra111-147ra111
ISSN
  • 1946-6234 (ISSN-L)
  • 1946-6242
OpenAlex
W2167183660
Cited by
5,824
References
56
Citations by year
2026: 871 · 2025: 767 · 2024: 669 · 2023: 605 · 2022: 546 · 2021: 456 · 2020: 400 · 2019: 358 · 2018: 281 · 2017: 279 · 2016: 203 · 2015: 160 · 2014: 128 · 2013: 83 · 2012: 13
FWCI
50.61
Type
journal article
Language
en
Open access
Locations
  • Science Translational Medicine (publishedVersion)
  • PubMed (publishedVersion)
  • Europe PMC (PubMed Central) (acceptedVersion)
  • PubMed Central (acceptedVersion)
Funders
National Institute of Neurological Disorders and Stroke (R01NS078304, R01NS078167, R01NS075177, R01NS075345, R01NS052534)
Topics
  • Life Sciences › Neuroscience › Cellular and Molecular Neuroscience › Cerebrospinal fluid and hydrocephalus
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Molecular Biology › Ion Transport and Channel Regulation
  • Life Sciences › Neuroscience › Neurology › Barrier Structure and Function Studies
Keywords
cerebrospinal fluid flow, interstitial fluid clearance, amyloid-beta clearance, aquaporin-4, astrocytes, Alzheimer's disease, neurodegeneration
MeSH terms
Animals, Astrocytes, Biological Transport, Brain, Cerebral Ventricles, Cerebrospinal Fluid, Male, Mice, Inbred C57BL, Water, Amyloid beta-Peptides, Imaging, Three-Dimensional, Microscopy, Fluorescence, Multiphoton, Extracellular Fluid, Mice, Aquaporin 4

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