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Zhang M, Hu X, Wang L. A Review of Cerebrospinal Fluid Circulation and the Pathogenesis of Congenital Hydrocephalus. Neurochem Res 2024; 49:1123-1136. [PMID: 38337135 PMCID: PMC10991002 DOI: 10.1007/s11064-024-04113-z] [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: 09/01/2023] [Revised: 01/13/2024] [Accepted: 01/20/2024] [Indexed: 02/12/2024]
Abstract
The brain's ventricles are filled with a colorless fluid known as cerebrospinal fluid (CSF). When there is an excessive accumulation of CSF in the ventricles, it can result in high intracranial pressure, ventricular enlargement, and compression of the surrounding brain tissue, leading to potential damage. This condition is referred to as hydrocephalus. Hydrocephalus is classified into two categories: congenital and acquired. Congenital hydrocephalus (CH) poses significant challenges for affected children and their families, particularly in resource-poor countries. Recognizing the psychological and economic impacts is crucial for developing interventions and support systems that can help alleviate the distress and burden faced by these families. As our understanding of CSF production and circulation improves, we are gaining clearer insights into the causes of CH. In this article, we will summarize the current knowledge regarding CSF circulation pathways and the underlying causes of CH. The main causes of CH include abnormalities in the FoxJ1 pathway of ventricular cilia, dysfunctions in the choroid plexus transporter Na+-K+-2Cl- contransporter isoform 1, developmental abnormalities in the cerebral cortex, and structural abnormalities within the brain. Understanding the causes of CH is indeed crucial for advancing research and developing effective treatment strategies. In this review, we will summarize the findings from existing studies on the causes of CH and propose potential research directions to further our understanding of this condition.
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Affiliation(s)
- Mingzhao Zhang
- Laboratory of pathology, Beijing Institute of Radiation Medicine, 27 Taiping Road, Beijing, 100850, China
| | - Xiangjun Hu
- Laboratory of pathology, Beijing Institute of Radiation Medicine, 27 Taiping Road, Beijing, 100850, China.
| | - Lifeng Wang
- Laboratory of pathology, Beijing Institute of Radiation Medicine, 27 Taiping Road, Beijing, 100850, China.
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2
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Datki Z, Darula Z, Vedelek V, Hunyadi-Gulyas E, Dingmann BJ, Vedelek B, Kalman J, Urban P, Gyenesei A, Galik-Olah Z, Galik B, Sinka R. Biofilm formation initiating rotifer-specific biopolymer and its predicted components. Int J Biol Macromol 2023; 253:127157. [PMID: 37778576 DOI: 10.1016/j.ijbiomac.2023.127157] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/25/2023] [Revised: 09/11/2023] [Accepted: 09/28/2023] [Indexed: 10/03/2023]
Abstract
The rotifer-specific biopolymer, namely Rotimer, is a recently discovered group of the biomolecule family. Rotimer has an active role in the biofilm formation initiated by rotifers (e.g., Euchlanis dilatata or Adineta vaga) or in the female-male sexual interaction of monogononts. To understand the Ca2+- and polarity-dependent formation of this multifunctional viscoelastic material, it is essential to explore its molecular composition. The investigation of the rotifer-enhanced biofilm and Rotimer-inductor conglomerate (RIC) formation yielded several protein candidates to predict the Rotimer-specific main components. The exudate of E. dilatata males was primarily applied from different biopolimer-containing samples (biofilm or RIC). The advantage of males over females lies in their degenerated digestive system and simple anatomy. Thus, their exudate is less contaminated with food and endosymbiont elements. The sequenced and annotated genome and transcriptome of this species opened the way for identifying Rotimer proteins by mass spectrometry. The predicted rotifer-biopolymer forming components are SCO-spondins and 14-3-3 protein. The characteristics of Rotimer are similar to Reissner's fiber, which is found in the central nervous system of vertebrates and is mainly formed from SCO-spondins. This molecular information serves as a starting point for its interdisciplinary investigation and application in biotechnology, biomedicine, or neurodegeneration-related drug development.
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Affiliation(s)
- Zsolt Datki
- Micro-In Vivo Biomolecule Research Laboratory, Competence Centre of the Life Sciences Cluster of the Centre of Excellence for Interdisciplinary Research, Development and Innovation of the University of Szeged. Dugonics ter 13. H-6720, Szeged, Hungary.
| | - Zsuzsanna Darula
- Single Cell Omics Advanced Core Facility, Hungarian Centre of Excellence for Molecular Medicine, Szeged, Hungary; Proteomics Research Group, Core Facilities, Biological Research Centre, ELKH, Szeged, Hungary
| | - Viktor Vedelek
- Department of Genetics, Faculty of Science and Informatics, University of Szeged, Kozep fasor 52, H-6726, Hungary
| | - Eva Hunyadi-Gulyas
- Proteomics Research Group, Core Facilities, Biological Research Centre, ELKH, Szeged, Hungary
| | - Brian J Dingmann
- Department of Math Science and Technology, University of Minnesota Crookston, 2900 University Avenue, Crookston, MN 56716, United States of America
| | - Balazs Vedelek
- Department of Genetics, Faculty of Science and Informatics, University of Szeged, Kozep fasor 52, H-6726, Hungary
| | - Janos Kalman
- Department of Psychiatry, Albert Szent-Gyorgyi Medical School, University of Szeged, Koranyi Fasor 8-10, H-6725 Szeged, Hungary
| | - Peter Urban
- Szentagothai Research Center, Genomic and Bioinformatic Core Facility, Pecs, Hungary
| | - Attila Gyenesei
- Szentagothai Research Center, Genomic and Bioinformatic Core Facility, Pecs, Hungary
| | - Zita Galik-Olah
- Micro-In Vivo Biomolecule Research Laboratory, Competence Centre of the Life Sciences Cluster of the Centre of Excellence for Interdisciplinary Research, Development and Innovation of the University of Szeged. Dugonics ter 13. H-6720, Szeged, Hungary
| | - Bence Galik
- Szentagothai Research Center, Genomic and Bioinformatic Core Facility, Pecs, Hungary
| | - Rita Sinka
- Department of Genetics, Faculty of Science and Informatics, University of Szeged, Kozep fasor 52, H-6726, Hungary
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Xu H, Dugué GP, Cantaut-Belarif Y, Lejeune FX, Gupta S, Wyart C, Lehtinen MK. SCO-spondin knockout mice exhibit small brain ventricles and mild spine deformation. Fluids Barriers CNS 2023; 20:89. [PMID: 38049798 PMCID: PMC10696872 DOI: 10.1186/s12987-023-00491-8] [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: 08/01/2023] [Accepted: 11/18/2023] [Indexed: 12/06/2023] Open
Abstract
Reissner's fiber (RF) is an extracellular polymer comprising the large monomeric protein SCO-spondin (SSPO) secreted by the subcommissural organ (SCO) that extends through cerebrospinal fluid (CSF)-filled ventricles into the central canal of the spinal cord. In zebrafish, RF and CSF-contacting neurons (CSF-cNs) form an axial sensory system that detects spinal curvature, instructs morphogenesis of the body axis, and enables proper alignment of the spine. In mammalian models, RF has been implicated in CSF circulation. However, challenges in manipulating Sspo, an exceptionally large gene of 15,719 nucleotides, with traditional approaches has limited progress. Here, we generated a Sspo knockout mouse model using CRISPR/Cas9-mediated genome-editing. Sspo knockout mice lacked RF-positive material in the SCO and fibrillar condensates in the brain ventricles. Remarkably, Sspo knockout brain ventricle sizes were reduced compared to littermate controls. Minor defects in thoracic spine curvature were detected in Sspo knockouts, which did not alter basic motor behaviors tested. Altogether, our work in mouse demonstrates that SSPO and RF regulate ventricle size during development but only moderately impact spine geometry.
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Affiliation(s)
- Huixin Xu
- Department of Pathology, Boston Children's Hospital and Harvard Medical School, Boston, MA, 02115, USA
| | - Guillaume P Dugué
- Neurophysiology of Brain Circuits, Institut de Biologie de l'Ecole Normale Supérieure (IBENS), Ecole Normale Supérieure, CNRS, INSERM, Université PSL, 75005, Paris, France
| | - Yasmine Cantaut-Belarif
- Sorbonne Université, Paris Brain Institute (Institut du Cerveau, ICM), Institut National de la Santé et de la Recherche Médicale (INSERM) U1127, Centre National de la Recherche Scientifique (CNRS) Unité Mixte de Recherche 7225, Assistance Publique-Hôpitaux de Paris (APHP), Campus Hospitalier Pitié-Salpêtrière, 47, bld Hospital, 75013, Paris, France
| | - François-Xavier Lejeune
- Sorbonne Université, Paris Brain Institute (Institut du Cerveau, ICM), Institut National de la Santé et de la Recherche Médicale (INSERM) U1127, Centre National de la Recherche Scientifique (CNRS) Unité Mixte de Recherche 7225, Assistance Publique-Hôpitaux de Paris (APHP), Campus Hospitalier Pitié-Salpêtrière, 47, bld Hospital, 75013, Paris, France
| | - Suhasini Gupta
- Department of Pathology, Boston Children's Hospital and Harvard Medical School, Boston, MA, 02115, USA
| | - Claire Wyart
- Sorbonne Université, Paris Brain Institute (Institut du Cerveau, ICM), Institut National de la Santé et de la Recherche Médicale (INSERM) U1127, Centre National de la Recherche Scientifique (CNRS) Unité Mixte de Recherche 7225, Assistance Publique-Hôpitaux de Paris (APHP), Campus Hospitalier Pitié-Salpêtrière, 47, bld Hospital, 75013, Paris, France.
| | - Maria K Lehtinen
- Department of Pathology, Boston Children's Hospital and Harvard Medical School, Boston, MA, 02115, USA.
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Mashanov V, Ademiluyi S, Jacob Machado D, Reid R, Janies D. Echinoderm radial glia in adult cell renewal, indeterminate growth, and regeneration. Front Neural Circuits 2023; 17:1258370. [PMID: 37841894 PMCID: PMC10570448 DOI: 10.3389/fncir.2023.1258370] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/13/2023] [Accepted: 09/12/2023] [Indexed: 10/17/2023] Open
Abstract
Echinoderms are a phylum of marine deterostomes with a range of interesting biological features. One remarkable ability is their impressive capacity to regenerate most of their adult tissues, including the central nervous system (CNS). The research community has accumulated data that demonstrates that, in spite of the pentaradial adult body plan, echinoderms share deep similarities with their bilateral sister taxa such as hemichordates and chordates. Some of the new data reveal the complexity of the nervous system in echinoderms. In terms of the cellular architecture, one of the traits that is shared between the CNS of echinoderms and chordates is the presence of radial glia. In chordates, these cells act as the main progenitor population in CNS development. In mammals, radial glia are spent in embryogenesis and are no longer present in adults, being replaced with other neural cell types. In non-mammalian chordates, they are still detected in the mature CNS along with other types of glia. In echinoderms, radial glia also persist into the adulthood, but unlike in chordates, it is the only known glial cell type that is present in the fully developed CNS. The echinoderm radial glia is a multifunctional cell type. Radial glia forms the supporting scaffold of the neuroepithelium, exhibits secretory activity, clears up dying or damaged cells by phagocytosis, and, most importantly, acts as a major progenitor cell population. The latter function is critical for the outstanding developmental plasticity of the adult echinoderm CNS, including physiological cell turnover, indeterminate growth, and a remarkable capacity to regenerate major parts following autotomy or traumatic injury. In this review we summarize the current knowledge on the organization and function of the echinoderm radial glia, with a focus on the role of this cell type in adult neurogenesis.
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Affiliation(s)
- Vladimir Mashanov
- Wake Forest Institute for Regenerative Medicine, Winston-Salem, NC, United States
| | - Soji Ademiluyi
- Department of Bioinformatics and Genomics, College of Computing and Informatics, University of North Carolina at Charlotte, Charlotte, NC, United States
| | - Denis Jacob Machado
- Department of Bioinformatics and Genomics, College of Computing and Informatics, University of North Carolina at Charlotte, Charlotte, NC, United States
| | - Robert Reid
- Department of Bioinformatics and Genomics, College of Computing and Informatics, University of North Carolina at Charlotte, Charlotte, NC, United States
| | - Daniel Janies
- Department of Bioinformatics and Genomics, College of Computing and Informatics, University of North Carolina at Charlotte, Charlotte, NC, United States
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Wyart C, Carbo-Tano M, Cantaut-Belarif Y, Orts-Del'Immagine A, Böhm UL. Cerebrospinal fluid-contacting neurons: multimodal cells with diverse roles in the CNS. Nat Rev Neurosci 2023; 24:540-556. [PMID: 37558908 DOI: 10.1038/s41583-023-00723-8] [Citation(s) in RCA: 6] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 06/26/2023] [Indexed: 08/11/2023]
Abstract
The cerebrospinal fluid (CSF) is a complex solution that circulates around the CNS, and whose composition changes as a function of an animal's physiological state. Ciliated neurons that are bathed in the CSF - and thus referred to as CSF-contacting neurons (CSF-cNs) - are unusual polymodal interoceptive neurons. As chemoreceptors, CSF-cNs respond to variations in pH and osmolarity and to bacterial metabolites in the CSF. Their activation during infections of the CNS results in secretion of compounds to enhance host survival. As mechanosensory neurons, CSF-cNs operate together with an extracellular proteinaceous polymer known as the Reissner fibre to detect compression during spinal curvature. Once activated, CSF-cNs inhibit motor neurons, premotor excitatory neurons and command neurons to enhance movement speed and stabilize posture. At longer timescales, CSF-cNs instruct morphogenesis throughout life via the release of neuropeptides that act over long distances on skeletal muscle. Finally, recent evidence suggests that mouse CSF-cNs may act as neural stem cells in the spinal cord, inspiring new paths of investigation for repair after injury.
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Affiliation(s)
- Claire Wyart
- Institut du Cerveau (ICM), INSERM U1127, UMR CNRS 7225 Paris, Sorbonne Université, Paris, France.
| | - Martin Carbo-Tano
- Institut du Cerveau (ICM), INSERM U1127, UMR CNRS 7225 Paris, Sorbonne Université, Paris, France
| | - Yasmine Cantaut-Belarif
- Institut du Cerveau (ICM), INSERM U1127, UMR CNRS 7225 Paris, Sorbonne Université, Paris, France
| | | | - Urs L Böhm
- NeuroCure Cluster of Excellence, Charité Universitätsmedizin Berlin, Berlin, Germany
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Xu H, Dugué GP, Cantaut-Belarif Y, Lejeune FX, Gupta S, Wyart C, Lehtinen MK. SCO-spondin knockout mice exhibit small brain ventricles and mild spine deformation. BIORXIV : THE PREPRINT SERVER FOR BIOLOGY 2023:2023.08.01.551512. [PMID: 37577601 PMCID: PMC10418289 DOI: 10.1101/2023.08.01.551512] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 08/15/2023]
Abstract
Reissner's fiber (RF) is an extracellular polymer comprising the large monomeric protein SCO-spondin (SSPO) secreted by the subcommissural organ (SCO) that extends through cerebrospinal fluid (CSF)-filled ventricles into the central canal of the spinal cord. In zebrafish, RF and CSF-contacting neurons (CSF-cNs) form an axial sensory system that detects spinal curvature, instructs morphogenesis of the body axis, and enables proper alignment of the spine. In mammalian models, RF has been implicated in CSF circulation. However, challenges in manipulating Sspo , an exceptionally large gene of 15,719 nucleotides, with traditional approaches has limited progress. Here, we generated a Sspo knockout mouse model using CRISPR/Cas9-mediated genome-editing. Sspo knockout mice lacked RF-positive material in the SCO and fibrillar condensates in the brain ventricles. Remarkably, Sspo knockout brain ventricle sizes were reduced compared to littermate controls. Minor defects in thoracic spine curvature were detected in Sspo knockouts, which did not alter basic motor behaviors tested. Altogether, our work in mouse demonstrates that SSPO and RF regulate ventricle size during development but only moderately impact spine geometry.
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7
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Inada H, Corales LG, Osumi N. A novel feature of the ancient organ: A possible involvement of the subcommissural organ in neurogenic/gliogenic potential in the adult brain. Front Neurosci 2023; 17:1141913. [PMID: 36960167 PMCID: PMC10027738 DOI: 10.3389/fnins.2023.1141913] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/11/2023] [Accepted: 02/20/2023] [Indexed: 03/09/2023] Open
Abstract
The subcommissural organ (SCO) is a circumventricular organ highly conserved in vertebrates from Cyclostomata such as lamprey to mammals including human. The SCO locates in the boundary between the third ventricle and the entrance of the aqueduct of Sylvius. The SCO functions as a secretory organ producing a variety of proteins such as SCO-spondin, transthyretin, and basic fibroblast growth factor (FGF) into the cerebrospinal fluid (CSF). A significant contribution of the SCO has been thought to maintain the homeostasis of CSF dynamics. However, evidence has shown a possible role of SCO on neurogenesis in the adult brain. This review highlights specific features of the SCO related to adult neurogenesis, suggested by the progress of understanding SCO functions. We begin with a brief history of the SCO discovery and continue to structural features, gene expression, and a possible role in adult neurogenesis suggested by the SCO transplant experiment.
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Affiliation(s)
- Hitoshi Inada
- Laboratory of Health and Sports Sciences, Division of Biomedical Engineering for Health and Welfare, Graduate School of Biomedical Engineering, Tohoku University, Sendai, Japan
- Department of Developmental Neuroscience, Graduate School of Medicine, Tohoku University, Sendai, Japan
- *Correspondence: Hitoshi Inada,
| | - Laarni Grace Corales
- Department of Developmental Neuroscience, Graduate School of Medicine, Tohoku University, Sendai, Japan
| | - Noriko Osumi
- Department of Developmental Neuroscience, Graduate School of Medicine, Tohoku University, Sendai, Japan
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Yang L, Yue W, Zhang H, Gao Y, Yang L, Li L. The role of roof plate-specific spondins in liver homeostasis and disease. LIVER RESEARCH 2022. [DOI: 10.1016/j.livres.2022.09.002] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 02/16/2023]
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9
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Lemarchant S, Sourioux M, Le Douce J, Henriques A, Callizot N, Hugues S, Farinelli M, Godfrin Y. NX210c Peptide Promotes Glutamatergic Receptor-Mediated Synaptic Transmission and Signaling in the Mouse Central Nervous System. Int J Mol Sci 2022; 23:ijms23168867. [PMID: 36012124 PMCID: PMC9408760 DOI: 10.3390/ijms23168867] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/28/2022] [Revised: 07/28/2022] [Accepted: 08/08/2022] [Indexed: 11/29/2022] Open
Abstract
NX210c is a disease-modifying dodecapeptide derived from the subcommissural organ-spondin that is under preclinical and clinical development for the treatment of neurological disorders. Here, using whole-cell patch-clamp recordings, we demonstrate that NX210c increased α-amino-3-hydroxy-5-methyl-4-isoxazolepropionic acid receptor (AMPAR)- and GluN2A-containing N-methyl-D-aspartate receptor (GluN2A-NMDAR)-mediated excitatory postsynaptic currents in the brain. Accordingly, using extracellular field excitatory postsynaptic potential recordings, an enhancement of synaptic transmission was shown in the presence of NX210c in two different neuronal circuits. Furthermore, the modulation of synaptic transmission and GluN2A-NMDAR-driven signaling by NX210c restored memory in mice chronically treated with the NMDAR antagonist phencyclidine. Overall, by promoting glutamatergic receptor-related neurotransmission and signaling, NX210c represents an innovative therapeutic opportunity for patients suffering from CNS disorders, injuries, and states with crippling synaptic dysfunctions.
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Affiliation(s)
- Sighild Lemarchant
- Axoltis Pharma, 60 Avenue Rockefeller, 69008 Lyon, France
- Correspondence: ; Tel.: +33-4-72-62-17-36
| | | | | | | | - Noëlle Callizot
- Neuro-Sys, 410 Chemin Départemental 60, 13120 Gardanne, France
| | - Sandrine Hugues
- E-Phy-Science, Bioparc, 2400 Routes de Colles, Sophia Antipolis, 06410 Biot, France
| | - Mélissa Farinelli
- E-Phy-Science, Bioparc, 2400 Routes de Colles, Sophia Antipolis, 06410 Biot, France
| | - Yann Godfrin
- Axoltis Pharma, 60 Avenue Rockefeller, 69008 Lyon, France
- Godfrin Life-Sciences, 8 Impasse de la Source, 69300 Caluire-et-Cuire, France
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Keep RF, Jones HC, Drewes LR. Advances in brain barriers and brain fluids research in 2021: great progress in a time of adversity. Fluids Barriers CNS 2022; 19:48. [PMID: 35681151 PMCID: PMC9178944 DOI: 10.1186/s12987-022-00343-x] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/15/2022] [Accepted: 05/16/2022] [Indexed: 11/10/2022] Open
Abstract
This editorial highlights advances in brain barrier and brain fluid research in 2021. It covers research on components of the blood–brain barrier, neurovascular unit and brain fluid systems; how brain barriers and brain fluid systems are impacted by neurological disorders and their role in disease progression; and advances in strategies for treating such disorders.
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Affiliation(s)
- Richard F Keep
- Department of Neurosurgery, University of Michigan, R5018 BSRB, 109 Zina Pitcher Place, Ann Arbor, MI, 48109-2200, USA.
| | | | - Lester R Drewes
- Department of Biomedical Sciences, University of Minnesota Medical School Duluth, Duluth, MN, 55812, USA
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