1
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Bhakuni T, Norden PR, Ujiie N, Tan C, Lee SK, Tedeschi T, Hsieh YW, Wang Y, Liu T, Fawzi AA, Kume T. FOXC1 regulates endothelial CD98 (LAT1/4F2hc) expression in retinal angiogenesis and blood-retina barrier formation. Nat Commun 2024; 15:4097. [PMID: 38755144 PMCID: PMC11099035 DOI: 10.1038/s41467-024-48134-2] [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: 02/24/2022] [Accepted: 04/22/2024] [Indexed: 05/18/2024] Open
Abstract
Angiogenesis, the growth of new blood vessels from pre-existing vasculature, is essential for the development of new organ systems, but transcriptional control of angiogenesis remains incompletely understood. Here we show that FOXC1 is essential for retinal angiogenesis. Endothelial cell (EC)-specific loss of Foxc1 impairs retinal vascular growth and expression of Slc3a2 and Slc7a5, which encode the heterodimeric CD98 (LAT1/4F2hc) amino acid transporter and regulate the intracellular transport of essential amino acids and activation of the mammalian target of rapamycin (mTOR). EC-Foxc1 deficiency diminishes mTOR activity, while administration of the mTOR agonist MHY-1485 rescues perturbed retinal angiogenesis. EC-Foxc1 expression is required for retinal revascularization and resolution of neovascular tufts in a model of oxygen-induced retinopathy. Foxc1 is also indispensable for pericytes, a critical component of the blood-retina barrier during retinal angiogenesis. Our findings establish FOXC1 as a crucial regulator of retinal vessels and identify therapeutic targets for treating retinal vascular disease.
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Affiliation(s)
- Teena Bhakuni
- Department of Medicine, Feinberg Cardiovascular and Renal Research Institute, Feinberg School of Medicine, Northwestern University, Chicago, IL, USA
| | - Pieter R Norden
- Department of Medicine, Feinberg Cardiovascular and Renal Research Institute, Feinberg School of Medicine, Northwestern University, Chicago, IL, USA
| | - Naoto Ujiie
- Department of Medicine, Feinberg Cardiovascular and Renal Research Institute, Feinberg School of Medicine, Northwestern University, Chicago, IL, USA
| | - Can Tan
- Department of Medicine, Feinberg Cardiovascular and Renal Research Institute, Feinberg School of Medicine, Northwestern University, Chicago, IL, USA
| | - Sun Kyong Lee
- Department of Medicine, Feinberg Cardiovascular and Renal Research Institute, Feinberg School of Medicine, Northwestern University, Chicago, IL, USA
| | - Thomas Tedeschi
- Department of Ophthalmology, Northwestern University Feinberg School of Medicine, Chicago, IL, USA
| | - Yi-Wen Hsieh
- Department of Ophthalmology, Northwestern University Feinberg School of Medicine, Chicago, IL, USA
| | - Ying Wang
- Department of Cardiovascular Medicine, Mayo Clinic, Rochester, MN, USA
| | - Ting Liu
- Department of Medicine, Feinberg Cardiovascular and Renal Research Institute, Feinberg School of Medicine, Northwestern University, Chicago, IL, USA
| | - Amani A Fawzi
- Department of Ophthalmology, Northwestern University Feinberg School of Medicine, Chicago, IL, USA
| | - Tsutomu Kume
- Department of Medicine, Feinberg Cardiovascular and Renal Research Institute, Feinberg School of Medicine, Northwestern University, Chicago, IL, USA.
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2
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Fantini V, Ferrari RR, Bordoni M, Spampinato E, Pandini C, Davin A, Medici V, Gagliardi S, Guaita A, Pansarasa O, Cereda C, Poloni TE. Functional analysis and transcriptome profile of meninges and skin fibroblasts from human-aged donors. Cell Prolif 2024:e13627. [PMID: 38421110 DOI: 10.1111/cpr.13627] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/09/2023] [Revised: 02/12/2024] [Accepted: 02/19/2024] [Indexed: 03/02/2024] Open
Abstract
The central nervous system (CNS) is surrounded by three membranes called meninges. Specialised fibroblasts, originating from the mesoderm and neural crest, primarily populate the meninges and serve as a binding agent. Our goal was to compare fibroblasts from meninges and skin obtained from the same human-aged donors, exploring their molecular and cellular characteristics related to CNS functions. We isolated meningeal fibroblasts (MFs) from brain donors and skin fibroblasts (SFs) from the same subjects. A functional analysis was performed measuring cell appearance, metabolic activity, and cellular orientation. We examined fibronectin, serpin H1, β-III-tubulin, and nestin through qPCR and immunofluorescence. A whole transcriptome analysis was also performed to characterise the gene expression of MFs and SFs. MFs appeared more rapidly in the post-tissue processing, while SFs showed an elevated cellular metabolism and a well-defined cellular orientation. The four markers were mostly similar between the MFs and SFs, except for nestin, more expressed in MFs. Transcriptome analysis reveals significant differences, particularly in cyclic adenosine monophosphate (cAMP) metabolism and response to forskolin, both of which are upregulated in MFs. This study highlights MFs' unique characteristics, including the timing of appearance, metabolic activity, and gene expression patterns, particularly in cAMP metabolism and response to forskolin. These findings contribute to a deeper understanding of non-neuronal cells' involvement in CNS activities and potentially open avenues for therapeutic exploration.
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Affiliation(s)
- Valentina Fantini
- Laboratory of Neurobiology and Neurogenetic, Golgi-Cenci Foundation, Abbiategrasso, Italy
| | - Riccardo Rocco Ferrari
- Laboratory of Neurobiology and Neurogenetic, Golgi-Cenci Foundation, Abbiategrasso, Italy
| | - Matteo Bordoni
- Cellular Model and Neuroepigenetics Unit, IRCCS Mondino Foundation, Pavia, Italy
| | - Eleonora Spampinato
- Cellular Model and Neuroepigenetics Unit, IRCCS Mondino Foundation, Pavia, Italy
- Department of Biology and Biotechnology, University of Pavia, Pavia, Italy
| | - Cecilia Pandini
- Molecular Biology and Transcriptomics Unit, IRCCS Mondino Foundation, Pavia, Italy
- Department of Biosciences, University of Milan, Milan, Italy
| | - Annalisa Davin
- Laboratory of Neurobiology and Neurogenetic, Golgi-Cenci Foundation, Abbiategrasso, Italy
| | - Valentina Medici
- Department of Neurology and Neuropathology, Golgi-Cenci Foundation, Abbiategrasso, Italy
| | - Stella Gagliardi
- Molecular Biology and Transcriptomics Unit, IRCCS Mondino Foundation, Pavia, Italy
| | - Antonio Guaita
- Laboratory of Neurobiology and Neurogenetic, Golgi-Cenci Foundation, Abbiategrasso, Italy
- Department of Neurology and Neuropathology, Golgi-Cenci Foundation, Abbiategrasso, Italy
| | - Orietta Pansarasa
- Cellular Model and Neuroepigenetics Unit, IRCCS Mondino Foundation, Pavia, Italy
| | - Cristina Cereda
- Center of Functional Genomics and Rare Diseases, Department of Pediatrics, Buzzi Children's Hospital, Milan, Italy
| | - Tino Emanuele Poloni
- Department of Neurology and Neuropathology, Golgi-Cenci Foundation, Abbiategrasso, Italy
- Department of Rehabilitation, ASP Golgi-Redaelli Geriatric Hospital, Abbiategrasso, Italy
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3
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Lam MS, Aw JJ, Tan D, Vijayakumar R, Lim HYG, Yada S, Pang QY, Barker N, Tang C, Ang BT, Sobota RM, Pavesi A. Unveiling the Influence of Tumor Microenvironment and Spatial Heterogeneity on Temozolomide Resistance in Glioblastoma Using an Advanced Human In Vitro Model of the Blood-Brain Barrier and Glioblastoma. SMALL (WEINHEIM AN DER BERGSTRASSE, GERMANY) 2023; 19:e2302280. [PMID: 37649234 DOI: 10.1002/smll.202302280] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/17/2023] [Revised: 06/26/2023] [Indexed: 09/01/2023]
Abstract
Glioblastoma (GBM) is the most common primary malignant brain cancer in adults with a dismal prognosis. Temozolomide (TMZ) is the first-in-line chemotherapeutic; however, resistance is frequent and multifactorial. While many molecular and genetic factors have been linked to TMZ resistance, the role of the solid tumor morphology and the tumor microenvironment, particularly the blood-brain barrier (BBB), is unknown. Here, the authors investigate these using a complex in vitro model for GBM and its surrounding BBB. The model recapitulates important clinical features such as a dense tumor core with tumor cells that invade along the perivascular space; and a perfusable BBB with a physiological permeability and morphology that is altered in the presence of a tumor spheroid. It is demonstrated that TMZ sensitivity decreases with increasing cancer cell spatial organization, and that the BBB can contribute to TMZ resistance. Proteomic analysis with next-generation low volume sample workflows of these cultured microtissues revealed potential clinically relevant proteins involved in tumor aggressiveness and TMZ resistance, demonstrating the utility of complex in vitro models for interrogating the tumor microenvironment and therapy validation.
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Affiliation(s)
- Maxine Sy Lam
- Institute of Molecular and Cell Biology, Agency for Science, Technology and Research (A*STAR), 61 Biopolis Drive, Singapore, 138673, Singapore
- Functional Proteomics Laboratory, SingMass National Laboratory, Institute of Molecular and Cell Biology, Agency for Science, Technology and Research (A∗STAR), 61 Biopolis Drive, Singapore, 138673, Singapore
| | - Joey Jy Aw
- Institute of Molecular and Cell Biology, Agency for Science, Technology and Research (A*STAR), 61 Biopolis Drive, Singapore, 138673, Singapore
| | - Damien Tan
- Institute of Molecular and Cell Biology, Agency for Science, Technology and Research (A*STAR), 61 Biopolis Drive, Singapore, 138673, Singapore
| | - Ragavi Vijayakumar
- Institute of Molecular and Cell Biology, Agency for Science, Technology and Research (A*STAR), 61 Biopolis Drive, Singapore, 138673, Singapore
| | - Hui Yi Grace Lim
- Institute of Molecular and Cell Biology, Agency for Science, Technology and Research (A*STAR), 61 Biopolis Drive, Singapore, 138673, Singapore
| | - Swathi Yada
- Institute of Molecular and Cell Biology, Agency for Science, Technology and Research (A*STAR), 61 Biopolis Drive, Singapore, 138673, Singapore
| | - Qing You Pang
- Neuro-Oncology Research Laboratory, Department of Research, National Neuroscience Institute, Singapore, 308433, Singapore
| | - Nick Barker
- Institute of Molecular and Cell Biology, Agency for Science, Technology and Research (A*STAR), 61 Biopolis Drive, Singapore, 138673, Singapore
| | - Carol Tang
- Neuro-Oncology Research Laboratory, Department of Research, National Neuroscience Institute, Singapore, 308433, Singapore
- Duke-National University of Singapore Medical School, Singapore, 169857, Singapore
- School of Biological Sciences, Nanyang Technological University, Singapore, 637551, Singapore
| | - Beng Ti Ang
- Duke-National University of Singapore Medical School, Singapore, 169857, Singapore
- Department of Neurosurgery, National Neuroscience Institute, Singapore, 308433, Singapore
| | - Radoslaw M Sobota
- Institute of Molecular and Cell Biology, Agency for Science, Technology and Research (A*STAR), 61 Biopolis Drive, Singapore, 138673, Singapore
- Functional Proteomics Laboratory, SingMass National Laboratory, Institute of Molecular and Cell Biology, Agency for Science, Technology and Research (A∗STAR), 61 Biopolis Drive, Singapore, 138673, Singapore
| | - Andrea Pavesi
- Institute of Molecular and Cell Biology, Agency for Science, Technology and Research (A*STAR), 61 Biopolis Drive, Singapore, 138673, Singapore
- Mechanobiology Institute, National University of Singapore, Singapore, 117411, Singapore
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4
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Jones HE, Coelho-Santos V, Bonney SK, Abrams KA, Shih AY, Siegenthaler JA. Meningeal origins and dynamics of perivascular fibroblast development on the mouse cerebral vasculature. Development 2023; 150:dev201805. [PMID: 37756588 PMCID: PMC10565218 DOI: 10.1242/dev.201805] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/23/2023] [Accepted: 09/12/2023] [Indexed: 09/29/2023]
Abstract
Perivascular fibroblasts (PVFs) are a fibroblast-like cell type that reside on large-diameter blood vessels in the adult meninges and central nervous system (CNS). PVFs contribute to fibrosis following injury but their homeostatic functions are not defined. PVFs were previously shown to be absent from most brain regions at birth and are only detected postnatally within the cerebral cortex. However, the origin, timing and cellular mechanisms of PVF development are not known. We used Col1a1-GFP and Col1a2-CreERT2 transgenic mice to track PVF development postnatally. Using lineage tracing and in vivo imaging we show that brain PVFs originate from the meninges and are first seen on parenchymal cerebrovasculature at postnatal day (P) 5. After P5, PVF coverage of the cerebrovasculature expands via local cell proliferation and migration from the meninges. Finally, we show that PVFs and perivascular macrophages develop concurrently. These findings provide the first complete timeline for PVF development in the brain, enabling future work into how PVF development is coordinated with cell types and structures in and around the perivascular spaces to support normal CNS vascular function.
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Affiliation(s)
- Hannah E. Jones
- Department of Pediatrics, Section of Developmental Biology, University of Colorado, Aurora, CO 80045, USA
- Cell Biology, Stem Cells and Development Graduate Program, University of Colorado, Aurora, CO 80045, USA
| | - Vanessa Coelho-Santos
- Center for Developmental Biology and Regenerative Medicine, Seattle Children's Research Institute, Seattle, WA 98101, USA
| | - Stephanie K. Bonney
- Center for Developmental Biology and Regenerative Medicine, Seattle Children's Research Institute, Seattle, WA 98101, USA
| | - Kelsey A. Abrams
- Department of Pediatrics, Section of Developmental Biology, University of Colorado, Aurora, CO 80045, USA
- Cell Biology, Stem Cells and Development Graduate Program, University of Colorado, Aurora, CO 80045, USA
| | - Andy Y. Shih
- Center for Developmental Biology and Regenerative Medicine, Seattle Children's Research Institute, Seattle, WA 98101, USA
- Department of Bioengineering, University of Washington, Seattle, WA 98195, USA
- Department of Pediatrics, University of Washington, Seattle, WA 98105, USA
| | - Julie A. Siegenthaler
- Department of Pediatrics, Section of Developmental Biology, University of Colorado, Aurora, CO 80045, USA
- Cell Biology, Stem Cells and Development Graduate Program, University of Colorado, Aurora, CO 80045, USA
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5
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Siahaan AMP, Indharty S, Tandean S, Tommy T, Loe ML, Nainggolan BWM, Pangestu D, Susanto M. Middle meningeal artery embolization and pediatric chronic subdural hematoma: a systematic review of the literature. Neurosurg Rev 2023; 46:239. [PMID: 37697174 DOI: 10.1007/s10143-023-02130-0] [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: 07/20/2023] [Revised: 08/24/2023] [Accepted: 08/25/2023] [Indexed: 09/13/2023]
Abstract
Chronic subdural hematoma (CSDH) is a disease commonly found in the elderly and not a typical finding in pediatric population. History of shunt surgery, child abuse, and blood disorder are some of the common causes of pediatric CSDH (pCSDH). There is growing evidence about the role of middle meningeal artery embolization (MMAE) to manage CSDH in the elderly population with a high risk of rebleeding. However, the evidence in the pediatric population is still sparse. A systematic literature search was conducted on PubMed, Scopus, and Web of Science database from January, 2023, to March, 2023. Search strings were generated based on the combination of modified search terms, such as CSDH, MMA embolization, and child. Risk of bias was assessed using the Cochrane Risk of Bias in Nonrandomized Study for Intervention. Nine articles were included in this review. The success rate of MMA embolization in pediatric CSDH was 88.8%. Histories of ventriculoperitoneal shunt, blood coagulation disorder, and trauma were the causes of CSDH. Time to achieve success was varied from 2 to 9 months. No study with low risk of bias was found. This systematic review found no high-quality evidence regarding the role of MMA embolization in the management of pCSDH. However, due to its high success rate, MMAE could be a promising approach to treat pCSDH.
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Affiliation(s)
| | - Suzy Indharty
- Department of Neurosurgery, Faculty of Medicine, Universitas Sumatera Utara, Medan, Indonesia
| | - Steven Tandean
- Department of Neurosurgery, Faculty of Medicine, Universitas Sumatera Utara, Medan, Indonesia
| | - Thomas Tommy
- Department of Neurosurgery, Faculty of Medicine, Universitas Pelita Harapan, Tangerang, Indonesia
| | | | | | - Dimas Pangestu
- Faculty of Medicine, Universitas Sumatera Utara, Medan, Indonesia
| | - Martin Susanto
- Faculty of Medicine, Universitas Sumatera Utara, Medan, Indonesia
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6
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Como CN, Kim S, Siegenthaler J. Stuck on you: Meninges cellular crosstalk in development. Curr Opin Neurobiol 2023; 79:102676. [PMID: 36773497 PMCID: PMC10023464 DOI: 10.1016/j.conb.2023.102676] [Citation(s) in RCA: 3] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/09/2022] [Revised: 12/22/2022] [Accepted: 01/04/2023] [Indexed: 02/11/2023]
Abstract
The spatial and temporal development of the brain, overlying meninges (fibroblasts, vasculature and immune cells) and calvarium are highly coordinated. In particular, the timing of meningeal fibroblasts into molecularly distinct pia, arachnoid and dura subtypes coincides with key developmental events in the brain and calvarium. Further, the meninges are positioned to influence development of adjacent structures and do so via depositing basement membrane and producing molecular cues to regulate brain and calvarial development. Here, we review the current knowledge of how meninges development aligns with events in the brain and calvarium and meningeal fibroblast "crosstalk" with these structures. We summarize outstanding questions and how the use of non-mammalian models to study the meninges will substantially advance the field of meninges biology.
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Affiliation(s)
- Christina N Como
- Department of Pediatrics Section of Developmental Biology, University of Colorado Anschutz Medical Campus, Aurora, CO, USA; Neuroscience Graduate Program, University of Colorado Anschutz Medical Campus, Aurora, CO, USA. https://twitter.com/ChristinaComo
| | - Sol Kim
- Department of Pediatrics Section of Developmental Biology, University of Colorado Anschutz Medical Campus, Aurora, CO, USA; Cell Biology, Stem Cells, and Development Graduate Program, University of Colorado Anschutz Medical Campus, Aurora, CO, USA
| | - Julie Siegenthaler
- Department of Pediatrics Section of Developmental Biology, University of Colorado Anschutz Medical Campus, Aurora, CO, USA; Cell Biology, Stem Cells, and Development Graduate Program, University of Colorado Anschutz Medical Campus, Aurora, CO, USA; Neuroscience Graduate Program, University of Colorado Anschutz Medical Campus, Aurora, CO, USA; University of Colorado, School of Medicine Department of Pediatrics 12800 East 19th Ave MS-8313 Aurora, CO 80045, USA.
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7
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Jones HE, Coelho-Santos V, Bonney SK, Abrams KA, Shih AY, Siegenthaler JA. Meningeal origins and dynamics of perivascular fibroblast development on the mouse cerebral vasculature. BIORXIV : THE PREPRINT SERVER FOR BIOLOGY 2023:2023.03.23.533982. [PMID: 36993587 PMCID: PMC10055392 DOI: 10.1101/2023.03.23.533982] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/19/2023]
Abstract
Perivascular fibroblasts (PVFs) are a fibroblast-like cell type that reside on large-diameter blood vessels in the adult meninges and central nervous system (CNS). PVFs drive fibrosis following injury but their homeostatic functions are not well detailed. In mice, PVFs were previously shown to be absent from most brain regions at birth and are only detected postnatally within the cerebral cortex. However, the origin, timing, and cellular mechanisms of PVF development are not known. We used Col1a1-GFP and Col1a2-CreERT transgenic mice to track PVF developmental timing and progression in postnatal mice. Using a combination of lineage tracing and in vivo imaging we show that brain PVFs originate from the meninges and are first seen on parenchymal cerebrovasculature at postnatal day (P)5. After P5, PVF coverage of the cerebrovasculature rapidly expands via mechanisms of local cell proliferation and migration from the meninges, reaching adult levels at P14. Finally, we show that PVFs and perivascular macrophages (PVMs) develop concurrently along postnatal cerebral blood vessels, where the location and depth of PVMs and PVFs highly correlate. These findings provide the first complete timeline for PVF development in the brain, enabling future work into how PVF development is coordinated with cell types and structures in and around the perivascular spaces to support normal CNS vascular function. Summary Brain perivascular fibroblasts migrate from their origin in the meninges and proliferate locally to fully cover penetrating vessels during postnatal mouse development.
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8
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Como CN, Cervantes C, Pawlikowski B, Siegenthaler J. Retinoic acid signaling in mouse retina endothelial cells is required for early angiogenic growth. Differentiation 2023; 130:16-27. [PMID: 36528974 PMCID: PMC10006372 DOI: 10.1016/j.diff.2022.12.002] [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: 05/09/2022] [Revised: 12/07/2022] [Accepted: 12/08/2022] [Indexed: 12/15/2022]
Abstract
The development of the retinal vasculature is essential to maintain health of the tissue, but the developmental mechanisms are not completely understood. The aim of this study was to investigate the cell-autonomous role of retinoic acid signaling in endothelial cells during retina vascular development. Using a temporal and cell-specific mouse model to disrupt retinoic acid signaling in endothelial cells in the postnatal retina (Pdgfbicre/+dnRAR403fl/fl mutants), we discovered that angiogenesis in the retina is significantly decreased with a reduction in retina vascularization, endothelial tip cell number and filipodia, and endothelial 'crowding' of stalk cells. Interestingly, by P15, the vasculature can overcome the early angiogenic defect and fully vascularized the retina. At P60, the vasculature is intact with no evidence of retina cell death or altered blood retinal barrier integrity. Further, we identified that the angiogenic defect seen in mutants at P6 correlates with decreased Vegfr3 expression in endothelial cells. Collectively, our work identified a previously unappreciated function for endothelial retinoic acid signaling in early retinal angiogenesis.
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Affiliation(s)
- Christina N Como
- University of Colorado, Anschutz Medical Campus, Department of Pediatrics, Section of Developmental Biology, Aurora, CO, 80045, USA; University of Colorado, Anschutz Medical Campus, Neuroscience Graduate Program, Aurora, CO, 80045, USA; University of Colorado, Anschutz Medical Campus, Summer Research Training Program, Aurora, CO, 80045, USA
| | - Cesar Cervantes
- University of Colorado, Anschutz Medical Campus, Department of Pediatrics, Section of Developmental Biology, Aurora, CO, 80045, USA; University of Colorado, Anschutz Medical Campus, Summer Research Training Program, Aurora, CO, 80045, USA
| | - Brad Pawlikowski
- University of Colorado, Anschutz Medical Campus, Department of Pediatrics, Section of Developmental Biology, Aurora, CO, 80045, USA
| | - Julie Siegenthaler
- University of Colorado, Anschutz Medical Campus, Department of Pediatrics, Section of Developmental Biology, Aurora, CO, 80045, USA; University of Colorado, Anschutz Medical Campus, Neuroscience Graduate Program, Aurora, CO, 80045, USA; University of Colorado, Anschutz Medical Campus, Summer Research Training Program, Aurora, CO, 80045, USA.
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9
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Roa Fuentes LA, Bloemen M, Carels CE, Wagener FA, Von den Hoff JW. Retinoic acid effects on in vitro palatal fusion and WNT signaling. Eur J Oral Sci 2022; 130:e12899. [PMID: 36303276 PMCID: PMC10092745 DOI: 10.1111/eos.12899] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/18/2022] [Accepted: 10/06/2022] [Indexed: 12/13/2022]
Abstract
Retinoic acid is the main active vitamin A derivate and a key regulator of embryonic development. Excess of retinoic acid can disturb palate development in mice leading to cleft palate. WNT signaling is one of the main pathways in palate development. We evaluated the effects of retinoic acid on palate fusion and WNT signaling in in vitro explant cultures. Unfused palates from E13.5 mouse embryos were cultured for 4 days with 0.5 μM, 2 μM or without retinoic acid. Apoptosis, proliferation, WNT signaling and bone formation were analyzed by histology and quantitative PCR. Retinoic acid treatment with 0.5 and 2.0 μM reduced palate fusion from 84% (SD 6.8%) in the controls to 56% (SD 26%) and 16% (SD 19%), respectively. Additionally, 2 μM retinoic acid treatment increased Axin2 expression. Retinoic acid also increased the proliferation marker Pcna as well as the number of Ki-67-positive cells in the palate epithelium. At the same time, the WNT inhibitors Dkk1, Dkk3, Wif1 and Sfrp1 were downregulated at least two-fold. Retinoic acid also down-regulated Alpl and Col1a2 gene expression. Alkaline phosphatase (ALP) activity was notably reduced in the osteogenic areas of the retinoic acid- treated palates. Our data suggest that retinoic acid impairs palate fusion and bone formation by upregulation of WNT signaling.
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Affiliation(s)
- Laury Amelia Roa Fuentes
- Department of Orthodontics and Craniofacial Biology, Radboud Institute for Molecular Life Sciences, Radboud university medical center, Nijmegen, The Netherlands.,MERLN Institute for Technology-Inspired Regenerative Medicine, Department of Instructive Biomaterial Engineering (IBE), Maastricht University, Maastricht, The Netherlands
| | - Marjon Bloemen
- Department of Orthodontics and Craniofacial Biology, Radboud Institute for Molecular Life Sciences, Radboud university medical center, Nijmegen, The Netherlands
| | - Carine El Carels
- Department of Human Genetics, KU University Leuven, Leuven, Belgium
| | - Frank Adtg Wagener
- Department of Orthodontics and Craniofacial Biology, Radboud Institute for Molecular Life Sciences, Radboud university medical center, Nijmegen, The Netherlands
| | - Johannes W Von den Hoff
- Department of Orthodontics and Craniofacial Biology, Radboud Institute for Molecular Life Sciences, Radboud university medical center, Nijmegen, The Netherlands
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10
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Ang PS, Matrongolo MJ, Zietowski ML, Nathan SL, Reid RR, Tischfield MA. Cranium growth, patterning and homeostasis. Development 2022; 149:dev201017. [PMID: 36408946 PMCID: PMC9793421 DOI: 10.1242/dev.201017] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/22/2022]
Abstract
Craniofacial development requires precise spatiotemporal regulation of multiple signaling pathways that crosstalk to coordinate the growth and patterning of the skull with surrounding tissues. Recent insights into these signaling pathways and previously uncharacterized progenitor cell populations have refined our understanding of skull patterning, bone mineralization and tissue homeostasis. Here, we touch upon classical studies and recent advances with an emphasis on developmental and signaling mechanisms that regulate the osteoblast lineage for the calvaria, which forms the roof of the skull. We highlight studies that illustrate the roles of osteoprogenitor cells and cranial suture-derived stem cells for proper calvarial growth and homeostasis. We also discuss genes and signaling pathways that control suture patency and highlight how perturbing the molecular regulation of these pathways leads to craniosynostosis. Finally, we discuss the recently discovered tissue and signaling interactions that integrate skull and cerebrovascular development, and the potential implications for both cerebrospinal fluid hydrodynamics and brain waste clearance in craniosynostosis.
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Affiliation(s)
- Phillip S. Ang
- Department of Cell Biology and Neuroscience, Rutgers University, Piscataway, NJ 08854, USA
- University of Chicago Pritzker School of Medicine, Chicago, IL 60637, USA
| | - Matt J. Matrongolo
- Department of Cell Biology and Neuroscience, Rutgers University, Piscataway, NJ 08854, USA
- Child Health Institute of New Jersey, New Brunswick, NJ 08901, USA
| | | | - Shelby L. Nathan
- Laboratory of Craniofacial Biology and Development, Section of Plastic Surgery, Department of Surgery, University of Chicago Medicine, Chicago, IL 60637, USA
| | - Russell R. Reid
- Laboratory of Craniofacial Biology and Development, Section of Plastic Surgery, Department of Surgery, University of Chicago Medicine, Chicago, IL 60637, USA
| | - Max A. Tischfield
- Department of Cell Biology and Neuroscience, Rutgers University, Piscataway, NJ 08854, USA
- Child Health Institute of New Jersey, New Brunswick, NJ 08901, USA
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11
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Abstract
The central nervous system (CNS) has been viewed as an immunologically privileged site, but emerging works are uncovering a large array of neuroimmune interactions primarily occurring at its borders. CNS barriers sites host diverse population of both innate and adaptive immune cells capable of, directly and indirectly, influence the function of the residing cells of the brain parenchyma. These structures are only starting to reveal their role in controlling brain function under normal and pathological conditions and represent an underexplored therapeutic target for the treatment of brain disorders. This review will highlight the development of the CNS barriers to host neuro-immune interactions and emphasize their newly described roles in neurodevelopmental, neurological, and neurodegenerative disorders, particularly for the meninges.
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Affiliation(s)
- Natalie M Frederick
- Department of Neurosciences, Lerner Research Institute, Cleveland Clinic, Cleveland, Ohio, USA
| | - Gabriel A Tavares
- Department of Neurosciences, Lerner Research Institute, Cleveland Clinic, Cleveland, Ohio, USA
| | - Antoine Louveau
- Department of Neurosciences, Lerner Research Institute, Cleveland Clinic, Cleveland, Ohio, USA.,Department of Molecular Medicine, Cleveland Clinic College of Medicine, Case Western Reserve University, Cleveland, Ohio, USA.,Kent University, Neurosciences, School of Biomedical Sciences, Cleveland, Ohio, USA
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12
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Gillnäs S, Gallini R, He L, Betsholtz C, Andrae J. Severe cerebellar malformations in mutant mice demonstrate a role for PDGF-C/PDGFRα signalling in cerebellar development. Biol Open 2022; 11:275997. [PMID: 35876806 PMCID: PMC9382116 DOI: 10.1242/bio.059431] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/13/2022] [Accepted: 07/08/2022] [Indexed: 11/20/2022] Open
Abstract
Formation of the mouse cerebellum is initiated in the embryo and continues for a few weeks after birth. Double mutant mice lacking platelet-derived growth factor-C and that are heterozygous for platelet-derived growth factor receptor alpha (Pdgfc-/-; PdgfraGFP/+) develop cerebellar hypoplasia and malformation with loss of cerebellar lobes in the posterior vermis. This phenotype is similar to those observed in Foxc1 mutant mice and in a human neuroimaging pattern called Dandy Walker malformation. Pdgfc-Pdgfra mutant mice also display ependymal denudation in the 4th ventricle and gene expression changes in cerebellar meninges, which coincide with the first visible signs of cerebellar malformation. Here we show that PDGF-C/PDGFRα signalling is a critical component in the network of molecular and cellular interactions that take place between the developing meninges and neural tissues, and which are required to build a fully functioning cerebellum.
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Affiliation(s)
- Sara Gillnäs
- Department of Immunology, Genetics and Pathology, Rudbeck Laboratory, Uppsala University, Uppsala, Sweden
| | - Radiosa Gallini
- Department of Immunology, Genetics and Pathology, Rudbeck Laboratory, Uppsala University, Uppsala, Sweden
| | - Liqun He
- Department of Immunology, Genetics and Pathology, Rudbeck Laboratory, Uppsala University, Uppsala, Sweden
| | - Christer Betsholtz
- Department of Immunology, Genetics and Pathology, Rudbeck Laboratory, Uppsala University, Uppsala, Sweden
| | - Johanna Andrae
- Department of Immunology, Genetics and Pathology, Rudbeck Laboratory, Uppsala University, Uppsala, Sweden
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13
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Molecular and Cellular Analysis of the Repair of Zebrafish Optic Tectum Meninges Following Laser Injury. Cells 2022; 11:cells11132016. [PMID: 35805100 PMCID: PMC9266167 DOI: 10.3390/cells11132016] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/28/2022] [Revised: 06/15/2022] [Accepted: 06/16/2022] [Indexed: 02/04/2023] Open
Abstract
We studied cell recruitment following optic tectum (OT) injury in zebrafish (Danio rerio), which has a remarkable ability to regenerate many of its organs, including the brain. The OT is the largest dorsal layered structure in the zebrafish brain. In juveniles, it is an ideal structure for imaging and dissection. We investigated the recruited cells within the juvenile OT during regeneration in a Pdgfrβ-Gal4:UAS-EGFP line in which pericytes, vascular, circulating, and meningeal cells are labeled, together with neurons and progenitors. We first performed high-resolution confocal microscopy and single-cell RNA-sequencing (scRNAseq) on EGFP-positive cells. We then tested three types of injury with very different outcomes (needle (mean depth in the OT of 200 µm); deep-laser (depth: 100 to 200 µm depth); surface-laser (depth: 0 to 100 µm)). Laser had the additional advantage of better mimicking of ischemic cerebral accidents. No massive recruitment of EGFP-positive cells was observed following laser injury deep in the OT. This type of injury does not perturb the meninx/brain–blood barrier (BBB). We also performed laser injuries at the surface of the OT, which in contrast create a breach in the meninges. Surprisingly, one day after such injury, we observed the migration to the injury site of various EGFP-positive cell types at the surface of the OT. The migrating cells included midline roof cells, which activated the PI3K-AKT pathway; fibroblast-like cells expressing numerous collagen genes and most prominently in 3D imaging; and a large number of arachnoid cells that probably migrate to the injury site through the activation of cilia motility genes, most likely being direct targets of the FOXJ1a gene. This study, combining high-content imaging and scRNAseq in physiological and pathological conditions, sheds light on meninges repair mechanisms in zebrafish that probably also operate in mammalian meninges.
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14
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Duan X, Shi Y, Zhao S, Yao L, Sheng J, Liu D. Foxc1a regulates zebrafish vascular integrity and brain vascular development through targeting amotl2a and ctnnb1. Microvasc Res 2022; 143:104400. [PMID: 35724741 DOI: 10.1016/j.mvr.2022.104400] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/12/2021] [Revised: 06/10/2022] [Accepted: 06/14/2022] [Indexed: 11/20/2022]
Abstract
Accumulating evidences have pointed that foxc1a is essential for vascular development and integrity maintenance through regulating the expression of downstream genes and interacting with signaling pathways. However, the underling cellular and molecular mechanisms of foxc1a in regulating vascular development remain undetermined. Based on two different foxc1a mutant zebrafish lines (foxc1anju18 and foxc1anju19 which generated predicted truncated foxc1a proteins with 50aa and 315aa respectively), we found that around 30 % of foxc1anju18 zebrafish exhibited severe vascular developmental defects with obvious hemorrhage in hindbrain and trunk at embryonic stages. Confocal imaging analysis revealed that the formation of middle cerebral vein (MCeV), intra-cerebral central arteries (CtAs) and dorsal longitudinal vein (DLV) of brain vessels was significantly blocked in foxc1anju18enbryos. Injection of exogenous full length and foxc1anju19 truncated foxc1a mRNA both rescued the deficiency of foxc1anju18 embryos. Transcriptome analysis revealed 186 DEGs in foxc1anju18 zebrafish among which amotl2a and ctnnb1 expression were reduced and functionally associated with adherens junctions. Dual-Luciferase assays validated amotl2a and ctnnb1 were both directly transactivated by foxc1a. Rescue experiments demonstrated that amotl2a was mainly responsible for the vascular integrity caused by foxc1a mutation and also coordinated with ctnnb1 to regulate brain vascular development. Our data point to a novel clue that foxc1a regulates vascular integrity and brain vascular development through targeting amotl2a and ctnnb1.
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Affiliation(s)
- Xuchu Duan
- School of Life Science, Nantong Laboratory of Development and Diseases, Department of Endocrine, Affiliated Hospital, Key Laboratory of Neuroregeneration of Jiangsu and Ministry of Education, Co-innovation Center of Neuroregeneration, Medical School, Nantong University, Nantong, China
| | - Yuanyuan Shi
- The Sixth Affiliated Hospital of Nantong University, Yancheng Third People's Hospital, Yancheng, China
| | - Shu Zhao
- School of Life Science, Nantong Laboratory of Development and Diseases, Department of Endocrine, Affiliated Hospital, Key Laboratory of Neuroregeneration of Jiangsu and Ministry of Education, Co-innovation Center of Neuroregeneration, Medical School, Nantong University, Nantong, China
| | - Lili Yao
- School of Life Science, Nantong Laboratory of Development and Diseases, Department of Endocrine, Affiliated Hospital, Key Laboratory of Neuroregeneration of Jiangsu and Ministry of Education, Co-innovation Center of Neuroregeneration, Medical School, Nantong University, Nantong, China
| | - Jiajing Sheng
- School of Life Science, Nantong Laboratory of Development and Diseases, Department of Endocrine, Affiliated Hospital, Key Laboratory of Neuroregeneration of Jiangsu and Ministry of Education, Co-innovation Center of Neuroregeneration, Medical School, Nantong University, Nantong, China.
| | - Dong Liu
- School of Life Science, Nantong Laboratory of Development and Diseases, Department of Endocrine, Affiliated Hospital, Key Laboratory of Neuroregeneration of Jiangsu and Ministry of Education, Co-innovation Center of Neuroregeneration, Medical School, Nantong University, Nantong, China.
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15
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Jones HE, Abrams KA, Siegenthaler JA. Techniques for visualizing fibroblast-vessel interactions in the developing and adult CNS. NEUROPHOTONICS 2022; 9:021911. [PMID: 35402637 PMCID: PMC8983066 DOI: 10.1117/1.nph.9.2.021911] [Citation(s) in RCA: 7] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 12/31/2021] [Accepted: 03/04/2022] [Indexed: 06/14/2023]
Abstract
Significance: Fibroblasts are found associated with blood vessels in various locations across the central nervous system (CNS): in the meninges, the choroid plexus, and in the parenchyma within perivascular spaces. CNS fibroblasts have been characterized using transcriptional profiling and a Col1a1-GFP mouse line used to identify CNS fibroblasts in vivo; however, we still know very little regarding their functions and identity. Aim: Current methods for visualizing CNS fibroblasts are lacking and, in particular, prevent adequate assessment of fibroblast-vessel interactions. We aimed to develop new ways to visualize CNS fibroblasts in greater detail. Approach: Here, we describe methods for whole mount visualization of meningeal and choroid plexus fibroblasts, and CUBIC optical tissue clearing methods for visualization of parenchymal vessel-associated fibroblasts. Results: We show that these methods can be used for visualization of vessel-fibroblast interactions in these CNS structures and provide significant improvement over traditional sectioning and staining methods. In addition, we can combine these techniques with immunohistochemistry methods for labeling different cell types in the meninges and blood vasculature as well as EdU-based cell proliferation assays. Conclusions: We expect these methods will advance studies of CNS fibroblast development and functions in homeostasis, injury, and disease.
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Affiliation(s)
- Hannah E Jones
- University of Colorado Anschutz Medical Campus, Department of Pediatrics, Section of Developmental Biology, Aurora, Colorado, United States
- University of Colorado Anschutz Medical Campus; Cell Biology, Stem Cells, and Development Graduate Program; Aurora, Colorado, United States
| | - Kelsey A Abrams
- University of Colorado Anschutz Medical Campus, Department of Pediatrics, Section of Developmental Biology, Aurora, Colorado, United States
- University of Colorado Anschutz Medical Campus; Cell Biology, Stem Cells, and Development Graduate Program; Aurora, Colorado, United States
| | - Julie A Siegenthaler
- University of Colorado Anschutz Medical Campus, Department of Pediatrics, Section of Developmental Biology, Aurora, Colorado, United States
- University of Colorado Anschutz Medical Campus; Cell Biology, Stem Cells, and Development Graduate Program; Aurora, Colorado, United States
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16
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Winkler EA, Kim CN, Ross JM, Garcia JH, Gil E, Oh I, Chen LQ, Wu D, Catapano JS, Raygor K, Narsinh K, Kim H, Weinsheimer S, Cooke DL, Walcott BP, Lawton MT, Gupta N, Zlokovic BV, Chang EF, Abla AA, Lim DA, Nowakowski TJ. A single-cell atlas of the normal and malformed human brain vasculature. Science 2022; 375:eabi7377. [PMID: 35084939 PMCID: PMC8995178 DOI: 10.1126/science.abi7377] [Citation(s) in RCA: 117] [Impact Index Per Article: 58.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/11/2022]
Abstract
Cerebrovascular diseases are a leading cause of death and neurologic disability. Further understanding of disease mechanisms and therapeutic strategies requires a deeper knowledge of cerebrovascular cells in humans. We profiled transcriptomes of 181,388 cells to define a cell atlas of the adult human cerebrovasculature, including endothelial cell molecular signatures with arteriovenous segmentation and expanded perivascular cell diversity. By leveraging this reference, we investigated cellular and molecular perturbations in brain arteriovenous malformations, which are a leading cause of stroke in young people, and identified pathologic endothelial transformations with abnormal vascular patterning and the ontology of vascularly derived inflammation. We illustrate the interplay between vascular and immune cells that contributes to brain hemorrhage and catalog opportunities for targeting angiogenic and inflammatory programs in vascular malformations.
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Affiliation(s)
- Ethan A Winkler
- Department of Neurological Surgery, University of California, San Francisco, CA, USA
- Eli and Edythe Broad Center for Regeneration Medicine and Stem Cell Research, University of California, San Francisco, CA, USA
- Weill Institute for Neurosciences, University of California, San Francisco, CA, USA
- Department of Neurosurgery, Barrow Neurological Institute, Phoenix, AZ, USA
| | - Chang N Kim
- Eli and Edythe Broad Center for Regeneration Medicine and Stem Cell Research, University of California, San Francisco, CA, USA
- Weill Institute for Neurosciences, University of California, San Francisco, CA, USA
- Department of Anatomy, University of California, San Francisco, CA, USA
- Department of Psychiatry and Behavioral Sciences, University of California, San Francisco, CA, USA
| | - Jayden M Ross
- Department of Neurological Surgery, University of California, San Francisco, CA, USA
- Eli and Edythe Broad Center for Regeneration Medicine and Stem Cell Research, University of California, San Francisco, CA, USA
- Weill Institute for Neurosciences, University of California, San Francisco, CA, USA
- Department of Anatomy, University of California, San Francisco, CA, USA
- Department of Psychiatry and Behavioral Sciences, University of California, San Francisco, CA, USA
| | - Joseph H Garcia
- Department of Neurological Surgery, University of California, San Francisco, CA, USA
| | - Eugene Gil
- Department of Neurological Surgery, University of California, San Francisco, CA, USA
- Eli and Edythe Broad Center for Regeneration Medicine and Stem Cell Research, University of California, San Francisco, CA, USA
| | - Irene Oh
- Rebus Biosystems, Santa Clara, CA, USA
| | | | - David Wu
- Department of Neurological Surgery, University of California, San Francisco, CA, USA
- Eli and Edythe Broad Center for Regeneration Medicine and Stem Cell Research, University of California, San Francisco, CA, USA
| | - Joshua S Catapano
- Department of Neurosurgery, Barrow Neurological Institute, Phoenix, AZ, USA
| | - Kunal Raygor
- Department of Neurological Surgery, University of California, San Francisco, CA, USA
| | - Kazim Narsinh
- Department of Radiology and Biomedical Imaging, University of California, San Francisco, CA, USA
| | - Helen Kim
- Center for Cerebrovascular Research, Department of Anesthesia and Perioperative Care, University of California, San Francisco, CA, USA
| | - Shantel Weinsheimer
- Center for Cerebrovascular Research, Department of Anesthesia and Perioperative Care, University of California, San Francisco, CA, USA
| | - Daniel L Cooke
- Weill Institute for Neurosciences, University of California, San Francisco, CA, USA
- Department of Radiology and Biomedical Imaging, University of California, San Francisco, CA, USA
| | - Brian P Walcott
- Department of Neurosurgery, NorthShore University HealthSystem, Evanston, IL, USA
| | - Michael T Lawton
- Department of Neurosurgery, Barrow Neurological Institute, Phoenix, AZ, USA
| | - Nalin Gupta
- Department of Neurological Surgery, University of California, San Francisco, CA, USA
| | - Berislav V Zlokovic
- Department of Physiology and Neuroscience, Keck School of Medicine, University of Southern California, Los Angeles, CA, USA
- Zilkha Neurogenetic Institute, Keck School of Medicine, University of Southern California, Los Angeles, CA, USA
| | - Edward F Chang
- Department of Neurological Surgery, University of California, San Francisco, CA, USA
- Weill Institute for Neurosciences, University of California, San Francisco, CA, USA
| | - Adib A Abla
- Department of Neurological Surgery, University of California, San Francisco, CA, USA
- Weill Institute for Neurosciences, University of California, San Francisco, CA, USA
| | - Daniel A Lim
- Department of Neurological Surgery, University of California, San Francisco, CA, USA
- Eli and Edythe Broad Center for Regeneration Medicine and Stem Cell Research, University of California, San Francisco, CA, USA
- Weill Institute for Neurosciences, University of California, San Francisco, CA, USA
- San Francisco Veterans Affairs Medical Center, San Francisco, CA, USA
| | - Tomasz J Nowakowski
- Department of Neurological Surgery, University of California, San Francisco, CA, USA
- Eli and Edythe Broad Center for Regeneration Medicine and Stem Cell Research, University of California, San Francisco, CA, USA
- Weill Institute for Neurosciences, University of California, San Francisco, CA, USA
- Department of Anatomy, University of California, San Francisco, CA, USA
- Department of Psychiatry and Behavioral Sciences, University of California, San Francisco, CA, USA
- Chan Zuckerberg Biohub, San Francisco, CA, USA
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17
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Derk J, Jones HE, Como C, Pawlikowski B, Siegenthaler JA. Living on the Edge of the CNS: Meninges Cell Diversity in Health and Disease. Front Cell Neurosci 2021; 15:703944. [PMID: 34276313 PMCID: PMC8281977 DOI: 10.3389/fncel.2021.703944] [Citation(s) in RCA: 43] [Impact Index Per Article: 14.3] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/01/2021] [Accepted: 06/08/2021] [Indexed: 12/30/2022] Open
Abstract
The meninges are the fibrous covering of the central nervous system (CNS) which contain vastly heterogeneous cell types within its three layers (dura, arachnoid, and pia). The dural compartment of the meninges, closest to the skull, is predominantly composed of fibroblasts, but also includes fenestrated blood vasculature, an elaborate lymphatic system, as well as immune cells which are distinct from the CNS. Segregating the outer and inner meningeal compartments is the epithelial-like arachnoid barrier cells, connected by tight and adherens junctions, which regulate the movement of pathogens, molecules, and cells into and out of the cerebral spinal fluid (CSF) and brain parenchyma. Most proximate to the brain is the collagen and basement membrane-rich pia matter that abuts the glial limitans and has recently be shown to have regional heterogeneity within the developing mouse brain. While the meninges were historically seen as a purely structural support for the CNS and protection from trauma, the emerging view of the meninges is as an essential interface between the CNS and the periphery, critical to brain development, required for brain homeostasis, and involved in a variety of diseases. In this review, we will summarize what is known regarding the development, specification, and maturation of the meninges during homeostatic conditions and discuss the rapidly emerging evidence that specific meningeal cell compartments play differential and important roles in the pathophysiology of a myriad of diseases including: multiple sclerosis, dementia, stroke, viral/bacterial meningitis, traumatic brain injury, and cancer. We will conclude with a list of major questions and mechanisms that remain unknown, the study of which represent new, future directions for the field of meninges biology.
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Affiliation(s)
- Julia Derk
- Section of Developmental Biology, Department of Pediatrics, University of Colorado, Aurora, CO, United States
| | - Hannah E. Jones
- Section of Developmental Biology, Department of Pediatrics, University of Colorado, Aurora, CO, United States
- Cell Biology, Stem Cells and Development Graduate Program, University of Colorado, Anschutz Medical Campus, Aurora, CO, United States
| | - Christina Como
- Section of Developmental Biology, Department of Pediatrics, University of Colorado, Aurora, CO, United States
- Neuroscience Graduate Program, University of Colorado, Aurora, CO, United States
| | - Bradley Pawlikowski
- Section of Developmental Biology, Department of Pediatrics, University of Colorado, Aurora, CO, United States
| | - Julie A. Siegenthaler
- Section of Developmental Biology, Department of Pediatrics, University of Colorado, Aurora, CO, United States
- Cell Biology, Stem Cells and Development Graduate Program, University of Colorado, Anschutz Medical Campus, Aurora, CO, United States
- Neuroscience Graduate Program, University of Colorado, Aurora, CO, United States
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18
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Peguera B, Segarra M, Acker-Palmer A. Neurovascular crosstalk coordinates the central nervous system development. Curr Opin Neurobiol 2021; 69:202-213. [PMID: 34077852 PMCID: PMC8411665 DOI: 10.1016/j.conb.2021.04.005] [Citation(s) in RCA: 31] [Impact Index Per Article: 10.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/27/2021] [Revised: 04/18/2021] [Accepted: 04/20/2021] [Indexed: 12/20/2022]
Abstract
Purpose of the review: The synchronic development of vascular and nervous systems is orchestrated by common molecules that regulate the communication between both systems. The identification of these common guiding cues and the developmental processes regulated by neurovascular communication are slowly emerging. In this review, we describe the molecules modulating the neurovascular development and their impact in processes such as angiogenesis, neurogenesis, neuronal migration, and brain homeostasis. Recent findings: Blood vessels not only are involved in nutrient and oxygen supply of the central nervous system (CNS) but also exert instrumental functions controlling developmental neurogenesis, CNS cytoarchitecture, and neuronal plasticity. Conversely, neurons modulate CNS vascularization and brain endothelial properties such as blood–brain barrier and vascular hyperemia. Summary: The integration of the active role of endothelial cells in the development and maintenance of neuronal function is important to obtain a more holistic view of the CNS complexity and also to understand how the vasculature is involved in neuropathological conditions.
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Affiliation(s)
- Blanca Peguera
- Neuro and Vascular Guidance, Buchmann Institute for Molecular Life Sciences (BMLS) and Institute of Cell Biology and Neuroscience, Max-von-Laue-Str. 15, D-60438, Frankfurt am Main, Germany
| | - Marta Segarra
- Neuro and Vascular Guidance, Buchmann Institute for Molecular Life Sciences (BMLS) and Institute of Cell Biology and Neuroscience, Max-von-Laue-Str. 15, D-60438, Frankfurt am Main, Germany; Cardio-Pulmonary Institute (CPI), Max-von-Laue-Str. 15, Frankfurt am Main, D-60438, Germany
| | - Amparo Acker-Palmer
- Neuro and Vascular Guidance, Buchmann Institute for Molecular Life Sciences (BMLS) and Institute of Cell Biology and Neuroscience, Max-von-Laue-Str. 15, D-60438, Frankfurt am Main, Germany; Cardio-Pulmonary Institute (CPI), Max-von-Laue-Str. 15, Frankfurt am Main, D-60438, Germany; Max Planck Institute for Brain Research, Max-von-Laue-Str. 4 Frankfurt am Main, 60438, Germany.
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19
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Zhou LB, Cao Q, Ding Q, Sun WL, Li ZY, Zhao M, Lin XW, Zhou GP, Fan WX. Transcription factor FOXC1 positively regulates SFRP1 expression in androgenetic alopecia. Exp Cell Res 2021; 404:112618. [PMID: 33965401 DOI: 10.1016/j.yexcr.2021.112618] [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: 11/30/2020] [Revised: 04/13/2021] [Accepted: 04/17/2021] [Indexed: 11/19/2022]
Abstract
Androgenetic alopecia (AGA) is the most common type of hair loss dysfunction. Secreted frizzled related protein 1 (SFRP1) is found to be associated with hair loss, but its role in AGA and the regulation mechanism of its transcription level is unclear. The aim of our study is to explore the expression of SFRP1 in AGA samples and its transcriptional mechanism. Male frontal and occipital scalp hair follicles from AGA patients were collected, and human dermal papilla cells (DPCs) were isolated and cultured. SFRP1 gene was cloned and constructed into recombinant plasmids to perform dual-luciferase reporter assay. Transcription factor binding sites were predicted through the Jaspar website and further confirmed by the chromatin immunoprecipitation (ChIP) assay. Expression of genes in DPCs was determined by immunofluorescence (IF) staining, quantitative real-time PCR (qRT-PCR) and western blotting. Our findings showed that SFRP1 was highly expressed in DPCs of AGA patients. The core promoter region of SFRP1 was from -100 to +50 bp and was found to be positively regulated by forkhead box C1 (FOXC1), a transcription factor related to hair growth, both at mRNA and protein level in DPCs. Our study suggests that FOXC1 plays an important role in regulating SFRP1 transcription, which may provide new insights into the development of therapeutic strategies for the treatment of AGA.
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Affiliation(s)
- Lan-Bo Zhou
- Department of Dermatology, The First Affiliated Hospital of Nanjing Medical University, Nanjing, Jiangsu Province, China
| | - Qian Cao
- Department of Pediatrics, The First Affiliated Hospital of Nanjing Medical University, Nanjing, Jiangsu Province, China
| | - Qi Ding
- Department of Dermatology, Affiliated Hospital of Nantong University, Nantong, Jiangsu Province, China
| | - Wei-Ling Sun
- Department of Dermatology, The First Affiliated Hospital of Nanjing Medical University, Nanjing, Jiangsu Province, China
| | - Zhi-Yu Li
- Department of Dermatology, The First Affiliated Hospital of Nanjing Medical University, Nanjing, Jiangsu Province, China
| | - Min Zhao
- Department of Dermatology, The First Affiliated Hospital of Nanjing Medical University, Nanjing, Jiangsu Province, China
| | - Xue-Wen Lin
- Department of Dermatology, The First Affiliated Hospital of Nanjing Medical University, Nanjing, Jiangsu Province, China
| | - Guo-Ping Zhou
- Department of Pediatrics, The First Affiliated Hospital of Nanjing Medical University, Nanjing, Jiangsu Province, China
| | - Wei-Xin Fan
- Department of Dermatology, The First Affiliated Hospital of Nanjing Medical University, Nanjing, Jiangsu Province, China.
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20
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Xu L, Yao Y. Central Nervous System Fibroblast-Like Cells in Stroke and Other Neurological Disorders. Stroke 2021; 52:2456-2464. [PMID: 33940953 DOI: 10.1161/strokeaha.120.033431] [Citation(s) in RCA: 14] [Impact Index Per Article: 4.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/16/2022]
Abstract
Fibroblasts are the most common cell type of connective tissues. In the central nervous system (CNS), fibroblast-like cells are mainly located in the meninges and perivascular Virchow-Robin space. The origins of these fibroblast-like cells and their functions in both CNS development and pathological conditions remain largely unknown. In this review, we first introduce the anatomic location and molecular markers of CNS fibroblast-like cells. Next, the functions of fibroblast-like cells in CNS development and neurological disorders, including stroke, CNS traumatic injuries, and other neurological diseases, are discussed. Third, current challenges and future directions in the field are summarized. We hope to provide a synthetic review that stimulates future research on CNS fibroblast-like cells.
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Affiliation(s)
- Lingling Xu
- Department of Pharmaceutical and Biomedical Sciences, University of Georgia, Athens
| | - Yao Yao
- Department of Pharmaceutical and Biomedical Sciences, University of Georgia, Athens
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21
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Ma T, Wang F, Xu S, Huang JH. Meningeal immunity: Structure, function and a potential therapeutic target of neurodegenerative diseases. Brain Behav Immun 2021; 93:264-276. [PMID: 33548498 DOI: 10.1016/j.bbi.2021.01.028] [Citation(s) in RCA: 20] [Impact Index Per Article: 6.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 07/16/2020] [Revised: 01/14/2021] [Accepted: 01/23/2021] [Indexed: 12/25/2022] Open
Abstract
Meningeal immunity refers to immune surveillance and immune defense in the meningeal immune compartment, which depends on the unique position, structural composition of the meninges and functional characteristics of the meningeal immune cells. Recent research advances in meningeal immunity have demonstrated many new ways in which a sophisticated immune landscape affects central nervous system (CNS) function under physiological or pathological conditions. The proper function of the meningeal compartment might protect the CNS from pathogens or contribute to neurological disorders. Since the concept of meningeal immunity, especially the meningeal lymphatic system and the glymphatic system, is relatively new, we will provide a general review of the meninges' basic structural elements, organization, regulation, and functions with regards to meningeal immunity. At the same time, we will emphasize recent evidence for the role of meningeal immunity in neurodegenerative diseases. More importantly, we will speculate about the feasibility of the meningeal immune region as a drug target to provide some insights for future research of meningeal immunity.
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Affiliation(s)
- Tengyun Ma
- Institute of Meterial Medica Integration and Transformation for Brain Disorders, Chengdu University of Traditional Chinese Medicine, Chengdu, Sichuan 611137, PR China; School of Pharmacy, Chengdu University of Traditional Chinese Medicine, Chengdu, Sichuan 611137, PR China
| | - Fushun Wang
- Institute of Brain and Psychological Sciences, Sichuan Normal University, Chengdu 610060, PR China.
| | - Shijun Xu
- Institute of Meterial Medica Integration and Transformation for Brain Disorders, Chengdu University of Traditional Chinese Medicine, Chengdu, Sichuan 611137, PR China; School of Pharmacy, Chengdu University of Traditional Chinese Medicine, Chengdu, Sichuan 611137, PR China.
| | - Jason H Huang
- Department of Neurosurgery, Baylor Scott & White Health Center, Temple, TX 76502, United States; Department of Surgery, Texas A&M University College of Medicine, Temple, TX 76502, United States
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22
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Boetto J, Peyre M, Kalamarides M. Meningiomas from a developmental perspective: exploring the crossroads between meningeal embryology and tumorigenesis. Acta Neurochir (Wien) 2021; 163:57-66. [PMID: 33216210 DOI: 10.1007/s00701-020-04650-w] [Citation(s) in RCA: 16] [Impact Index Per Article: 5.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/12/2020] [Accepted: 11/12/2020] [Indexed: 02/06/2023]
Abstract
Meningiomas are tumors arising from the meninges and represent the most frequent central nervous system tumors in adults. Recent large-scale genetic studies and preclinical meningioma mouse modelling led to a better comprehension of meningioma development and suggested evidences of close relationships between meningeal embryology and tumorigenesis. In this non-systematic review, we summarize the current knowledge on meningeal embryology and developmental biology, and illustrate how meningioma tumorigenesis is deeply related to meningeal embryology, concerning the potential cell of origin, the role of reactivation of embryonic stem cells, the influence of the embryonic tissue of origin, and the parallelism between topography-dependant molecular pathways involved in normal meninges and in meningioma development. Our study emphasizes why future studies on meningeal embryology are mandatory to affine our comprehension of mechanisms underlying meningioma initiation and development.
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Affiliation(s)
- Julien Boetto
- Neurosurgery Department, Gui de Chauliac Hospital, Montpellier University Medical Center, 91 avenue Augustin Fliche, 34090, Montpellier, France.
| | - Matthieu Peyre
- APHP, Groupe Hospitalo-Universitaire Pitié-Salpétrière, Neurosurgery Department, Sorbonne Université, Paris, France
| | - Michel Kalamarides
- APHP, Groupe Hospitalo-Universitaire Pitié-Salpétrière, Neurosurgery Department, Sorbonne Université, Paris, France
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DeSisto J, O'Rourke R, Jones HE, Pawlikowski B, Malek AD, Bonney S, Guimiot F, Jones KL, Siegenthaler JA. Single-Cell Transcriptomic Analyses of the Developing Meninges Reveal Meningeal Fibroblast Diversity and Function. Dev Cell 2021; 54:43-59.e4. [PMID: 32634398 DOI: 10.1016/j.devcel.2020.06.009] [Citation(s) in RCA: 102] [Impact Index Per Article: 34.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/21/2019] [Revised: 03/18/2020] [Accepted: 06/01/2020] [Indexed: 01/18/2023]
Abstract
The meninges are a multilayered structure composed of fibroblasts, blood and lymphatic vessels, and immune cells. Meningeal fibroblasts secrete a variety of factors that control CNS development, yet strikingly little is known about their heterogeneity or development. Using single-cell sequencing, we report distinct transcriptional signatures for fibroblasts in the embryonic dura, arachnoid, and pia. We define new markers for meningeal layers and show conservation in human meninges. We find that embryonic meningeal fibroblasts are transcriptionally distinct between brain regions and identify a regionally localized pial subpopulation marked by the expression of μ-crystallin. Developmental analysis reveals a progressive, ventral-to-dorsal maturation of telencephalic meninges. Our studies have generated an unparalleled view of meningeal fibroblasts, providing molecular profiles of embryonic meningeal fibroblasts by layer and yielding insights into the mechanisms of meninges development and function.
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Affiliation(s)
- John DeSisto
- Department of Pediatrics Section of Hematology, Oncology, Bone Marrow Transplant, University of Colorado Anschutz Medical Campus, Aurora, CO 80045, USA; Cell Biology, Stem Cells and Development Graduate Program, University of Colorado Anschutz Medical Campus, Aurora, CO 80045, USA
| | - Rebecca O'Rourke
- Department of Pediatrics Section of Developmental Biology, University of Colorado Anschutz Medical Campus, Aurora, CO 80045, USA
| | - Hannah E Jones
- Department of Pediatrics Section of Developmental Biology, University of Colorado Anschutz Medical Campus, Aurora, CO 80045, USA; Cell Biology, Stem Cells and Development Graduate Program, University of Colorado Anschutz Medical Campus, Aurora, CO 80045, USA
| | - Bradley Pawlikowski
- Department of Pediatrics Section of Developmental Biology, University of Colorado Anschutz Medical Campus, Aurora, CO 80045, USA
| | - Alexandra D Malek
- Department of Pediatrics Section of Developmental Biology, University of Colorado Anschutz Medical Campus, Aurora, CO 80045, USA
| | - Stephanie Bonney
- Department of Pediatrics Section of Developmental Biology, University of Colorado Anschutz Medical Campus, Aurora, CO 80045, USA; Cell Biology, Stem Cells and Development Graduate Program, University of Colorado Anschutz Medical Campus, Aurora, CO 80045, USA
| | - Fabien Guimiot
- INSERM UMR 1141, Hôpital Robert Debré, 75019 Paris, France
| | - Kenneth L Jones
- Department of Pediatrics Section of Hematology, Oncology, Bone Marrow Transplant, University of Colorado Anschutz Medical Campus, Aurora, CO 80045, USA
| | - Julie A Siegenthaler
- Department of Pediatrics Section of Developmental Biology, University of Colorado Anschutz Medical Campus, Aurora, CO 80045, USA; Cell Biology, Stem Cells and Development Graduate Program, University of Colorado Anschutz Medical Campus, Aurora, CO 80045, USA.
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Extrinsic Factors Driving Oligodendrocyte Lineage Cell Progression in CNS Development and Injury. Neurochem Res 2020; 45:630-642. [PMID: 31997102 PMCID: PMC7058689 DOI: 10.1007/s11064-020-02967-7] [Citation(s) in RCA: 12] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/13/2019] [Revised: 12/19/2019] [Accepted: 12/21/2019] [Indexed: 12/15/2022]
Abstract
Oligodendrocytes (OLs) generate myelin membranes for the rapid propagation of electrical signals along axons in the central nervous system (CNS) and provide metabolites to support axonal integrity and function. Differentiation of OLs from oligodendrocyte progenitor cells (OPCs) is orchestrated by a multitude of intrinsic and extrinsic factors in the CNS. Disruption of this process, or OL loss in the developing or adult brain, as observed in various neurological conditions including hypoxia/ischemia, stroke, and demyelination, results in axonal dystrophy, neuronal dysfunction, and severe neurological impairments. While much is known regarding the intrinsic regulatory signals required for OL lineage cell progression in development, studies from pathological conditions highlight the importance of the CNS environment and external signals in regulating OL genesis and maturation. Here, we review the recent findings in OL biology in the context of the CNS physiological and pathological conditions, focusing on extrinsic factors that facilitate OL development and regeneration.
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25
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Retinoic Acid Is Required for Oligodendrocyte Precursor Cell Production and Differentiation in the Postnatal Mouse Corpus Callosum. eNeuro 2020; 7:ENEURO.0270-19.2019. [PMID: 31879367 PMCID: PMC6977210 DOI: 10.1523/eneuro.0270-19.2019] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/11/2019] [Revised: 12/03/2019] [Accepted: 12/07/2019] [Indexed: 11/30/2022] Open
Abstract
Myelination of the CNS relies on the production and differentiation of oligodendrocyte (OL) precursor cells (OPCs) into mature OLs. During the first month of postnatal life, OPCs that populate the corpus callosum (CC) arise from neural stem cells (NSCs) in the subcallosal subventricular zone (SVZ), and then differentiate to generate myelinating OLs. However, the signals that regulate these processes are not fully understood. Myelination of the CNS relies on the production and differentiation of oligodendrocyte (OL) precursor cells (OPCs) into mature OLs. During the first month of postnatal life, OPCs that populate the corpus callosum (CC) arise from neural stem cells (NSCs) in the subcallosal subventricular zone (SVZ), and then differentiate to generate myelinating OLs. However, the signals that regulate these processes are not fully understood. In this study, we show that endogenous expression of the retinoic acid (RA)-synthesizing enzyme retinaldehyde dehydrogenase 2 (RALDH2) is required for OPC generation and differentiation in the postnatal subcortical white matter. In male and female pups, conditional deletion of Raldh2 reduced OPC numbers and differentiation. Moreover, decreased OPC numbers coincided with reductions in NSC survival and expression of the sonic hedgehog (SHH) signaling effector protein Gli1 in the SVZ. Additionally, GFAP expression in the CC was decreased, and cortical neuron numbers were altered. Our work suggests a role for endogenous RALDH2-dependent RA synthesis in OPC production and differentiation in the CC, as well as in the development of other cell types derived from NSCs in the embryonic ventricular zone (VZ) and SVZ, as well as the postnatal subcallosal SVZ.
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26
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Wu G, Jiang Q, Cui T, Liu X, Gong D, Yin Y, Wang C, Wang T, Lu Y, Zhu D, Han F. The glymphatic system delivery enhances the transduction efficiency of AAV1 to brain endothelial cells in adult mice. J Neurosci Methods 2019; 328:108441. [PMID: 31574288 DOI: 10.1016/j.jneumeth.2019.108441] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/04/2019] [Revised: 09/23/2019] [Accepted: 09/23/2019] [Indexed: 10/25/2022]
Abstract
BACKGROUND Recombinant adeno-associated virus (rAAV) is increasingly applied in neuroscience research or gene therapy. However, there is no simple and efficient tool for specific transfection of rAAV into cerebrovascular tissues. It has been reported that fluorescent tracers or beta-amyloid protein can enter the brain through perivascular spaces, named as "glymphatic system". The purpose of this study was to explore whether rAAV could transduce the cerebral vasculature through the glymphatic pathway. NEW METHOD An AAV1-GFP vector suspension (15 μL) was injected into the intracisternal space of anesthetized mice (n = 2) and 5 μl was injected into the bulbus medullae (n = 2). As controls, 15 μl of artificial cerebrospinal fluid (aCSF) was injected into the cisterna magna. The endothelial specific transduction was verified by Glut1 or PDGFRβ immunofluorescent staining. Immunofluorescence images for all groups were captured with a laser microscope. RESULTS It was observed that infection with rAAV1 vectors encoding green fluorescence protein resulted in a successful cerebrovascular transduction when injected into cisterna magna, compared to aCSF or intra-parenchymal injection at 30 days post-transduction in adult mice. In addition, GFP was co-localized with Glut1 based on immuno-fluorescence. These results indicate that glymphatic system delivery enhances the transduction efficiency of AAV1 to brain endothelial cells. COMPARISON WITH EXISTING METHODS The AAV1 vector can simply and efficiently transduce the cerebral endothelial cells through the glymphatic pathway. CONCLUSION The findings of this study reveal that rAAV1-based vectors have high application potential for endothelial-targeted neurologic disease research or gene-based therapies.
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Affiliation(s)
- Gang Wu
- Institute of Pharmacology and Toxicology, College of Pharmaceutical Sciences, Zhejiang University, Hangzhou, Zhejiang, China; Department of Pharmacy, Taizhou Hospital of Zhejiang Province, Linhai, Zhejiang, China
| | - Quan Jiang
- Institute of Pharmacology and Toxicology, College of Pharmaceutical Sciences, Zhejiang University, Hangzhou, Zhejiang, China
| | - Tiantian Cui
- Institute of Pharmacology and Toxicology, College of Pharmaceutical Sciences, Zhejiang University, Hangzhou, Zhejiang, China
| | - Xiuxiu Liu
- Institute of Pharmacology and Toxicology, College of Pharmaceutical Sciences, Zhejiang University, Hangzhou, Zhejiang, China
| | - Dongmei Gong
- Institute of Pharmacology and Toxicology, College of Pharmaceutical Sciences, Zhejiang University, Hangzhou, Zhejiang, China; School of Medicine, Zhejiang University City College, Hangzhou, Zhejiang, China
| | - Yixuan Yin
- Institute of Pharmacology and Toxicology, College of Pharmaceutical Sciences, Zhejiang University, Hangzhou, Zhejiang, China; School of Medicine, Zhejiang University City College, Hangzhou, Zhejiang, China
| | - Chengkun Wang
- Institute of Pharmacology and Toxicology, College of Pharmaceutical Sciences, Zhejiang University, Hangzhou, Zhejiang, China
| | - Tiantian Wang
- Institute of Pharmacology and Toxicology, College of Pharmaceutical Sciences, Zhejiang University, Hangzhou, Zhejiang, China; Department of Pharmacy, Run Run Shaw Hospital affiliated to School of Medicine of Zhejiang University, Hangzhou, Zhejiang, China
| | - YingMei Lu
- Institute of Pharmacology and Toxicology, College of Pharmaceutical Sciences, Zhejiang University, Hangzhou, Zhejiang, China; School of Pharmacy, Nanjing Medical University, Nanjing, Jiang Su, China; School of Medicine, Zhejiang University City College, Hangzhou, Zhejiang, China
| | - Danyan Zhu
- Institute of Pharmacology and Toxicology, College of Pharmaceutical Sciences, Zhejiang University, Hangzhou, Zhejiang, China.
| | - Feng Han
- Institute of Pharmacology and Toxicology, College of Pharmaceutical Sciences, Zhejiang University, Hangzhou, Zhejiang, China; School of Pharmacy, Nanjing Medical University, Nanjing, Jiang Su, China.
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Whitesell TR, Chrystal PW, Ryu JR, Munsie N, Grosse A, French CR, Workentine ML, Li R, Zhu LJ, Waskiewicz A, Lehmann OJ, Lawson ND, Childs SJ. foxc1 is required for embryonic head vascular smooth muscle differentiation in zebrafish. Dev Biol 2019; 453:34-47. [PMID: 31199900 DOI: 10.1016/j.ydbio.2019.06.005] [Citation(s) in RCA: 31] [Impact Index Per Article: 6.2] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/08/2019] [Revised: 05/29/2019] [Accepted: 06/09/2019] [Indexed: 11/15/2022]
Abstract
Vascular smooth muscle of the head derives from neural crest, but developmental mechanisms and early transcriptional drivers of the vSMC lineage are not well characterized. We find that in early development, the transcription factor foxc1b is expressed in mesenchymal cells that associate with the vascular endothelium. Using timelapse imaging, we observe that foxc1b expressing mesenchymal cells differentiate into acta2 expressing vascular mural cells. We show that in zebrafish, while foxc1b is co-expressed in acta2 positive smooth muscle cells that associate with large diameter vessels, it is not co-expressed in capillaries where pdgfrβ positive pericytes are located. In addition to being an early marker of the lineage, foxc1 is essential for vSMC differentiation; we find that foxc1 loss of function mutants have defective vSMC differentiation and that early genetic ablation of foxc1b or acta2 expressing populations blocks vSMC differentiation. Furthermore, foxc1 is expressed upstream of acta2 and is required for acta2 expression in vSMCs. Using RNA-Seq we determine an enriched intersectional gene expression profile using dual expression of foxc1b and acta2 to identify novel vSMC markers. Taken together, our data suggests that foxc1 is a marker of vSMCs and plays a critical functional role in promoting their differentiation.
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Affiliation(s)
- Thomas R Whitesell
- Alberta Children's Hospital Research Institute, University of Calgary, Canada; Department of Biochemistry and Molecular Biology, University of Calgary, 3330 Hospital Drive NW, Calgary, Alberta, Canada, T2N 4N1
| | - Paul W Chrystal
- Departments of Ophthalmology, and Medical Genetics, University of Alberta, Edmonton, Alberta, Canada; Department of Biological Sciences, CW405, Biological Sciences Bldg., 11455, Saskatchewan Dr., University of Alberta, Edmonton, AB, T6G 2E9, Canada; Women & Children's Health Research Institute, ECHA 4-081, 11405 87, Ave NW, University of Alberta, Edmonton, AB, T6G 1C9, Canada; Neurosciences and Mental Health Institute, 4-120 Katz Group Centre, University of Alberta, Edmonton, AB, T6G 2E1, Canada
| | - Jae-Ryeon Ryu
- Alberta Children's Hospital Research Institute, University of Calgary, Canada; Department of Biochemistry and Molecular Biology, University of Calgary, 3330 Hospital Drive NW, Calgary, Alberta, Canada, T2N 4N1
| | - Nicole Munsie
- Alberta Children's Hospital Research Institute, University of Calgary, Canada; Department of Biochemistry and Molecular Biology, University of Calgary, 3330 Hospital Drive NW, Calgary, Alberta, Canada, T2N 4N1
| | - Ann Grosse
- Department of Molecular, Cell, and Cancer Biology, University of Massachusetts Medical School, 364 Plantation Street, Worcester, MA, USA, 01605
| | - Curtis R French
- Department of Biological Sciences, CW405, Biological Sciences Bldg., 11455, Saskatchewan Dr., University of Alberta, Edmonton, AB, T6G 2E9, Canada; Women & Children's Health Research Institute, ECHA 4-081, 11405 87, Ave NW, University of Alberta, Edmonton, AB, T6G 1C9, Canada; Neurosciences and Mental Health Institute, 4-120 Katz Group Centre, University of Alberta, Edmonton, AB, T6G 2E1, Canada
| | - Matthew L Workentine
- Faculty of Veterinary Medicine, University of Calgary, 3330 Hospital Drive NW, Calgary, Alberta, Canada, T2N 4N1
| | - Rui Li
- Department of Molecular, Cell, and Cancer Biology, University of Massachusetts Medical School, 364 Plantation Street, Worcester, MA, USA, 01605
| | - Lihua Julie Zhu
- Department of Molecular, Cell, and Cancer Biology, University of Massachusetts Medical School, 364 Plantation Street, Worcester, MA, USA, 01605; Program in Bioinformatics and Integrative Biology, Program in Molecular Medicine, University of Massachusetts Medical School, Worcester, MA, USA, 01605
| | - Andrew Waskiewicz
- Department of Biological Sciences, CW405, Biological Sciences Bldg., 11455, Saskatchewan Dr., University of Alberta, Edmonton, AB, T6G 2E9, Canada; Women & Children's Health Research Institute, ECHA 4-081, 11405 87, Ave NW, University of Alberta, Edmonton, AB, T6G 1C9, Canada; Neurosciences and Mental Health Institute, 4-120 Katz Group Centre, University of Alberta, Edmonton, AB, T6G 2E1, Canada
| | - Ordan J Lehmann
- Departments of Ophthalmology, and Medical Genetics, University of Alberta, Edmonton, Alberta, Canada
| | - Nathan D Lawson
- Department of Molecular, Cell, and Cancer Biology, University of Massachusetts Medical School, 364 Plantation Street, Worcester, MA, USA, 01605
| | - Sarah J Childs
- Alberta Children's Hospital Research Institute, University of Calgary, Canada; Department of Biochemistry and Molecular Biology, University of Calgary, 3330 Hospital Drive NW, Calgary, Alberta, Canada, T2N 4N1.
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28
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Pawlikowski B, Wragge J, Siegenthaler JA. Retinoic acid signaling in vascular development. Genesis 2019; 57:e23287. [PMID: 30801891 DOI: 10.1002/dvg.23287] [Citation(s) in RCA: 17] [Impact Index Per Article: 3.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/31/2018] [Revised: 02/20/2019] [Accepted: 02/21/2019] [Indexed: 12/12/2022]
Abstract
Formation of the vasculature is an essential developmental process, delivering oxygen and nutrients to support cellular processes needed for tissue growth and maturation. Retinoic acid (RA) and its downstream signaling pathway is vital for normal pre- and post-natal development, playing key roles in the specification and formation of many organs and tissues. Here, we review the role of RA in blood and lymph vascular development, beginning with embryonic yolk sac vasculogenesis and remodeling and discussing RA's organ-specific roles in angiogenesis and vessel maturation. In particular, we highlight the multi-faceted role of RA signaling in CNS vascular development and acquisition of blood-brain barrier properties.
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Affiliation(s)
- Brad Pawlikowski
- Department of Molecular, Cell and Developmental Biology, University of Colorado-Boulder, Boulder, Colorado
| | - Jacob Wragge
- Department of Pediatrics-Section of Developmental Biology, University of Colorado, School of Medicine-Anschutz Medical Campus, Aurora, Colorado
| | - Julie A Siegenthaler
- Department of Pediatrics-Section of Developmental Biology, University of Colorado, School of Medicine-Anschutz Medical Campus, Aurora, Colorado
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29
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Dasgupta K, Jeong J. Developmental biology of the meninges. Genesis 2019; 57:e23288. [PMID: 30801905 DOI: 10.1002/dvg.23288] [Citation(s) in RCA: 62] [Impact Index Per Article: 12.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/17/2018] [Revised: 02/20/2019] [Accepted: 02/21/2019] [Indexed: 01/14/2023]
Abstract
The meninges are membranous layers surrounding the central nervous system. In the head, the meninges lie between the brain and the skull, and interact closely with both during development. The cranial meninges originate from a mesenchymal sheath on the surface of the developing brain, called primary meninx, and undergo differentiation into three layers with distinct histological characteristics: the dura mater, the arachnoid mater, and the pia mater. While genetic regulation of meningeal development is still poorly understood, mouse mutants and other models with meningeal defects have demonstrated the importance of the meninges to normal development of the calvaria and the brain. For the calvaria, the interactions with the meninges are necessary for the progression of calvarial osteogenesis during early development. In later stages, the meninges control the patterning of the skull and the fate of the sutures. For the brain, the meninges regulate diverse processes including cell survival, cell migration, generation of neurons from progenitors, and vascularization. Also, the meninges serve as a stem cell niche for the brain in the postnatal life. Given these important roles of the meninges, further investigation into the molecular mechanisms underlying meningeal development can provide novel insights into the coordinated development of the head.
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Affiliation(s)
- Krishnakali Dasgupta
- New York University College of Dentistry, Department of Basic Science and Craniofacial Biology, New York, New York
| | - Juhee Jeong
- New York University College of Dentistry, Department of Basic Science and Craniofacial Biology, New York, New York
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30
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Cao Q, Wang X, Shi Y, Zhang M, Yang J, Dong M, Mi Y, Zhang Z, Liu K, Jiang L, Wang N, Wang P. FOXC1 silencing inhibits the epithelial‑to‑mesenchymal transition of glioma cells: Involvement of β‑catenin signaling. Mol Med Rep 2018; 19:251-261. [PMID: 30431099 PMCID: PMC6297783 DOI: 10.3892/mmr.2018.9650] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/14/2018] [Accepted: 08/31/2018] [Indexed: 12/17/2022] Open
Abstract
Glioma is a type of malignant brain tumor. Forkhead box C1 (FOXC1) is a conserved transcription factor that is involved in tumorigenesis; however, the function of FOXC1 in glioma remains unclear. The present study aimed to investigate the effects of FOXC1 silencing on the epithelial-to-mesenchymal transition (EMT) of glioma cells. FOXC1-specific small interfering RNAs were employed to downregulate the expression levels of FOXC1 in glioma cells. The proliferation, migration and invasion of glioma cells were assessed by MTT assay, wound healing assay and Transwell assay. Western blot analysis was performed to reveal the effects of FOXC1 on EMT-associated proteins and β-catenin signaling. The results revealed that, following FOXC1 silencing, the proliferation, migration and invasion of glioma cells were decreased. The expression levels of EMT-associated proteins were also affected. Further examination demonstrated that β-catenin signaling was involved in the effects of FOXC1 on glioma cells. Previous results suggested that overexpression of β-catenin reversed the effects of FOXC1 silencing on glioma cells. The present study demonstrated that FOXC1 may regulate the EMT of glioma cells, potentially via β-catenin signaling. Therefore, FOXC1 may be a potential therapeutic target for the treatment of glioma.
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Affiliation(s)
- Qinchen Cao
- Department of Radiation Therapy, The First Affiliated Hospital of Zhengzhou University, Zhengzhou, Henan 450052, P.R. China
| | - Xinxin Wang
- Department of Neurology, The First Affiliated Hospital of Zhengzhou University, Zhengzhou, Henan 450052, P.R. China
| | - Yonggang Shi
- Department of Radiation Therapy, The First Affiliated Hospital of Zhengzhou University, Zhengzhou, Henan 450052, P.R. China
| | - Mingzhi Zhang
- Department of Oncology, The First Affiliated Hospital of Zhengzhou University, Zhengzhou, Henan 450052, P.R. China
| | - Jing Yang
- Department of Radiation Therapy, The First Affiliated Hospital of Zhengzhou University, Zhengzhou, Henan 450052, P.R. China
| | - Meilian Dong
- Department of Radiation Therapy, The First Affiliated Hospital of Zhengzhou University, Zhengzhou, Henan 450052, P.R. China
| | - Yin Mi
- Department of Radiation Therapy, The First Affiliated Hospital of Zhengzhou University, Zhengzhou, Henan 450052, P.R. China
| | - Zhigang Zhang
- Department of Radiation Therapy, The First Affiliated Hospital of Zhengzhou University, Zhengzhou, Henan 450052, P.R. China
| | - Ke Liu
- Department of Radiation Therapy, The First Affiliated Hospital of Zhengzhou University, Zhengzhou, Henan 450052, P.R. China
| | - Li Jiang
- Department of Radiation Therapy, The First Affiliated Hospital of Zhengzhou University, Zhengzhou, Henan 450052, P.R. China
| | - Na Wang
- Department of Radiation Therapy, The First Affiliated Hospital of Zhengzhou University, Zhengzhou, Henan 450052, P.R. China
| | - Ping Wang
- Department of Radiation Therapy, Tianjin Medical University Cancer Institute and Hospital, Tianjin 300060, P.R. China
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31
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Retinoic Acid Is Required for Neural Stem and Progenitor Cell Proliferation in the Adult Hippocampus. Stem Cell Reports 2018; 10:1705-1720. [PMID: 29805108 PMCID: PMC5993652 DOI: 10.1016/j.stemcr.2018.04.024] [Citation(s) in RCA: 42] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/11/2017] [Revised: 04/26/2018] [Accepted: 04/26/2018] [Indexed: 01/19/2023] Open
Abstract
Neural stem and precursor cell (NSPC) proliferation in the rodent adult hippocampus is essential to maintain stem cell populations and produce new neurons. Retinoic acid (RA) signaling is implicated in regulation of adult hippocampal neurogenesis, but its exact role in control of NSPC behavior has not been examined. We show RA signaling in all hippocampal NSPC subtypes and that inhibition of RA synthesis or signaling significantly decreases NSPC proliferation via abrogation of cell-cycle kinetics and cell-cycle regulators. RA signaling controls NSPC proliferation through hypoxia inducible factor-1α (HIF1α), where stabilization of HIF1α concurrent with disruption of RA signaling can prevent NSPC defects. These studies demonstrate a cell-autonomous role for RA signaling in hippocampal NSPCs that substantially broadens RA's function beyond its well-described role in neuronal differentiation.
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