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  • Mehta, N. H. (author)

The Brain-Nose Interface: A Potential Cerebrospinal Fluid Clearance Site in Humans

  • Article/chapterEnglish2022

Publisher, publication year, extent ...

  • 2022-01-04
  • Frontiers Media SA,2022

Numbers

  • LIBRIS-ID:oai:gup.ub.gu.se/313788
  • https://gup.ub.gu.se/publication/313788URI
  • https://doi.org/10.3389/fphys.2021.769948DOI

Supplementary language notes

  • Language:English

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  • Subject category:ref swepub-contenttype
  • Subject category:art swepub-publicationtype

Notes

  • The human brain functions at the center of a network of systems aimed at providing a structural and immunological layer of protection. The cerebrospinal fluid (CSF) maintains a physiological homeostasis that is of paramount importance to proper neurological activity. CSF is largely produced in the choroid plexus where it is continuous with the brain extracellular fluid and circulates through the ventricles. CSF movement through the central nervous system has been extensively explored. Across numerous animal species, the involvement of various drainage pathways in CSF, including arachnoid granulations, cranial nerves, perivascular pathways, and meningeal lymphatics, has been studied. Among these, there is a proposed CSF clearance route spanning the olfactory nerve and exiting the brain at the cribriform plate and entering lymphatics. While this pathway has been demonstrated in multiple animal species, evidence of a similar CSF egress mechanism involving the nasal cavity in humans remains poorly consolidated. This review will synthesize contemporary evidence surrounding CSF clearance at the nose-brain interface, examining across species this anatomical pathway, and its possible significance to human neurodegenerative disease. Our discussion of a bidirectional nasal pathway includes examination of the immune surveillance in the olfactory region protecting the brain. Overall, we expect that an expanded discussion of the brain-nose pathway and interactions with the environment will contribute to an improved understanding of neurodegenerative and infectious diseases, and potentially to novel prevention and treatment considerations. Copyright © 2022 Mehta, Sherbansky, Kamer, Carare, Butler, Rusinek, Chiang, Li, Strauss, Saint-Louis, Theise, Suss, Blennow, Kaplitt and de Leon.

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  • Sherbansky, J. (author)
  • Kamer, A. R. (author)
  • Carare, R. O. (author)
  • Butler, T. (author)
  • Rusinek, H. (author)
  • Chiang, G. C. (author)
  • Li, Y. (author)
  • Strauss, S. (author)
  • Saint-Louis, L. A. (author)
  • Theise, N. D. (author)
  • Suss, R. A. (author)
  • Blennow, Kaj,1958Gothenburg University,Göteborgs universitet,Institutionen för neurovetenskap och fysiologi,Institute of Neuroscience and Physiology(Swepub:gu)xbleka (author)
  • Kaplitt, M. (author)
  • de Leon, M. J. (author)
  • Göteborgs universitetInstitutionen för neurovetenskap och fysiologi (creator_code:org_t)

Related titles

  • In:Frontiers in Physiology: Frontiers Media SA121664-042X

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