Cited by 956Lymphatic System and DiseasesCerebrospinal fluid and hydrocephalusMultiple Sclerosis Research Studies

CNS lymphatic drainage and neuroinflammation are regulated by meningeal lymphatic vasculature.

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Louveau, Antoine, Herz, Jasmin, Alme, Maria Nordheim, Salvador, Andrea Francesca, Dong, Michael Q., Viar, Kenneth E., Herod, S. Grace, Knopp, James +13 more·2018·Nature Neuroscience

Abstract

Neuroinflammatory diseases, such as multiple sclerosis, are characterized by invasion of the brain by autoreactive T cells. The mechanism for how T cells acquire their encephalitogenic phenotype and trigger disease remains, however, unclear. The existence of lymphatic vessels in the meninges indicates a relevant link between the CNS and peripheral immune system, perhaps affecting autoimmunity. Here we demonstrate that meningeal lymphatics fulfill two critical criteria: they assist in the drainage of cerebrospinal fluid components and enable immune cells to enter draining lymph nodes in a CCR7-dependent manner. Unlike other tissues, meningeal lymphatic endothelial cells do not undergo expansion during inflammation, and they express a unique transcriptional signature. Notably, the ablation of meningeal lymphatics diminishes pathology and reduces the inflammatory response of brain-reactive T cells during an animal model of multiple sclerosis. Our findings demonstrate that meningeal lymphatics govern inflammatory processes and immune surveillance of the CNS and pose a valuable target for therapeutic intervention.

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Crossref · 10.1038/s41593-018-0227-9

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  • In 5xFAD mice, meningeal leukocyte populations show significantly more B cells, CD4+ T cells, and CD8+ T cells at 11-12 months than at 5-6 months.

    “Mass cytometric analysis of different meningeal leukocyte populations in 5xFAD mice at 5–6 and 11–12 months revealed a significant increase in the numbers of B cells, CD4+ T cells and CD8+ T cells in the older mice (Extended Data Fig. 2a–e) that can also be indicative of an accelerated impairment of meningeal lymphatic vasculature12.”
  • Photoablation of meningeal lymphatics removes lymphatic vasculature lining the transverse sinus in the dorsal meninges.

    “Meningeal lymphatic dysfunction was induced by a previously described method of photoablation5,12 that results in the loss of lymphatic vasculature lining the transverse sinus (in the dorsal meninges; Extended Data Fig. 3a, b).”
  • In 13-14-month-old 5xFAD mice, dorsal meningeal lymphatic deterioration coincides with a significant rise in amyloid-beta deposition throughout the meninges, including along blood and lymphatic vessels.

    “The deterioration of the lymphatic vasculature at the dorsal meninges observed in 13–14-month-old 5xFAD mice was accompanied by a significant increase in Aβ deposition throughout the meninges (Extended Data Fig. 1c–e), with extensive Aβ deposition along the blood and lymphatic vasculature (Extended Data Fig. 1a, insets) at anatomical locations previously shown as ‘hot spots’ along meningeal lymph”
  • Initial lymphatics at the dorsal brain meninges are important for cerebrospinal fluid drainage.

    “These results emphasize the importance of initial lymphatics at the dorsal brain meninges in CSF drainage5,12,18.”
  • The dural lymphatics are a critical transport system of macromolecules, interstitial fluid, and CSF from the CNS into the cervical lymph nodes.

    “The dural lymphatics are now recognized as a critical transport system of macromolecules, interstitial fluid, and CSF from the CNS into the cervical lymph nodes (Aspelund et al., 2015; Absinta et al., 2017; Louveau et al., 2018; Ahn et al., 2019).”

    From Living on the Edge of the CNS: Meninges Cell Diversity in Health and Disease (2021) · cites this paper as Louveau et al., 2018

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Authors
Louveau, A., Herz, J., Alme, M. N., Salvador, A. F., Dong, M. Q., Viar, K. E., Herod, S. G., Knopp, J., Setliff, J. C., Lupi, A. L., Da Mesquita, S., Frost, E. L., Gaultier, A., Harris, T. H., Cao, R., Hu, S., Lukens, J. R., Smirnov, I., Overall, C. C., Oliver, G., & Kipnis, J.
Affiliations
  • University of Virginia (US)
  • Haukeland University Hospital (NO)
  • Northwestern University (US)
  • University Medical Center of the Johannes Gutenberg University Mainz (DE)
Corresponding author
  • Louveau, Antoine
  • Kipnis, Jonathan
Venue
Nature Neuroscience
Published
2018-09-17
Volume
21
Issue
10
Pages
1380-1391
ISSN
  • 1097-6256 (ISSN-L)
  • 1546-1726
OpenAlex
W2892318814
Cited by
956
References
61
Citations by year
2026: 110 · 2025: 128 · 2024: 143 · 2023: 143 · 2022: 132 · 2021: 145 · 2020: 91 · 2019: 57 · 2018: 6
FWCI
28.03
Type
journal article
Language
en
Open access
Locations
  • Nature Neuroscience (publishedVersion)
  • PubMed (publishedVersion)
  • Europe PMC (PubMed Central) (acceptedVersion)
  • PubMed Central (acceptedVersion)
Funders
  • National Institutes of Health (5r01hl073402-19)
  • National Institute on Aging (R01AG034113, R37AG034113)
  • National Heart, Lung, and Blood Institute (R01-HL073402)
  • National Institute of Neurological Disorders and Stroke (R01NS096967)
Topics
  • Health Sciences › Medicine › Oncology › Lymphatic System and Diseases
  • Life Sciences › Neuroscience › Cellular and Molecular Neuroscience › Cerebrospinal fluid and hydrocephalus
  • Health Sciences › Medicine › Pathology and Forensic Medicine › Multiple Sclerosis Research Studies
Keywords
meningeal lymphatic vessels, lymphatic drainage, neuroinflammation, multiple sclerosis, cerebrospinal fluid, CCR7, lymphatic endothelial cells, autoreactive T cells, lymph node drainage, central nervous system autoimmunity
MeSH terms
Prospero-Related Homeobox 1 Protein, Animals, Central Nervous System, Dendritic Cells, Disease Models, Animal, Encephalitis, Lymph Nodes, Male, Meninges, Mice, Inbred C57BL, Mice, Transgenic, Peptide Fragments, Spleen, T-Lymphocytes, Antigens, CD, Photosensitizing Agents, Homeodomain Proteins, Tumor Suppressor Proteins, MicroRNAs, Lymphatic Vessels, Green Fluorescent Proteins, Mice, Receptors, CCR7, Myelin-Oligodendrocyte Glycoprotein

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