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Groh AMR, Song YL, Tea F, Lu B, Huynh S, Afanasiev E, Bigotte M, Del Bigio MR, Stratton JA. Multiciliated ependymal cells: an update on biology and pathology in the adult brain. Acta Neuropathol 2024; 148:39. [PMID: 39254862 DOI: 10.1007/s00401-024-02784-0] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/16/2024] [Revised: 08/06/2024] [Accepted: 08/07/2024] [Indexed: 09/11/2024]
Abstract
Mature multiciliated ependymal cells line the cerebral ventricles where they form a partial barrier between the cerebrospinal fluid (CSF) and brain parenchyma and regulate local CSF microcirculation through coordinated ciliary beating. Although the ependyma is a highly specialized brain interface with barrier, trophic, and perhaps even regenerative capacity, it remains a misfit in the canon of glial neurobiology. We provide an update to seminal reviews in the field by conducting a scoping review of the post-2010 mature multiciliated ependymal cell literature. We delineate how recent findings have either called into question or substantiated classical views of the ependymal cell. Beyond this synthesis, we document the basic methodologies and study characteristics used to describe multiciliated ependymal cells since 1980. Our review serves as a comprehensive resource for future investigations of mature multiciliated ependymal cells.
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Affiliation(s)
- Adam M R Groh
- Department of Neurology and Neurosurgery, Montreal Neurological Institute-Hospital, McGill University, Montréal, QC, Canada
| | - Yeji Lori Song
- Department of Neurology and Neurosurgery, Montreal Neurological Institute-Hospital, McGill University, Montréal, QC, Canada
| | - Fiona Tea
- Department of Neuroscience, University of Montreal, Montréal, QC, Canada
| | - Brianna Lu
- Department of Neurology and Neurosurgery, Montreal Neurological Institute-Hospital, McGill University, Montréal, QC, Canada
| | - Stephanie Huynh
- Department of Neurology and Neurosurgery, Montreal Neurological Institute-Hospital, McGill University, Montréal, QC, Canada
| | - Elia Afanasiev
- Department of Neurology and Neurosurgery, Montreal Neurological Institute-Hospital, McGill University, Montréal, QC, Canada
| | - Maxime Bigotte
- Department of Neurology and Neurosurgery, Montreal Neurological Institute-Hospital, McGill University, Montréal, QC, Canada
| | - Marc R Del Bigio
- Department of Pathology, Rady Faculty of Health Sciences, University of Manitoba, Winnipeg, MB, Canada
| | - Jo Anne Stratton
- Department of Neurology and Neurosurgery, Montreal Neurological Institute-Hospital, McGill University, Montréal, QC, Canada.
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Labelling of individual ependymal areas in the third and fourth ventricle of the human brain: ependymal tables. Biologia (Bratisl) 2019. [DOI: 10.2478/s11756-019-00192-4] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/20/2022]
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Mitro A, Kiss A. Ependymal tables designated for differentiation of the ependyma based on the adjacent periventricular structures. Biologia (Bratisl) 2016. [DOI: 10.1515/biolog-2016-0071] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/15/2022]
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