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Jacobs-Li J, Tang W, Li C, Bronner ME. Single-cell profiling coupled with lineage analysis reveals vagal and sacral neural crest contributions to the developing enteric nervous system. eLife 2023; 12:e79156. [PMID: 37877560 PMCID: PMC10627514 DOI: 10.7554/elife.79156] [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: 04/01/2022] [Accepted: 10/23/2023] [Indexed: 10/26/2023] Open
Abstract
During development, much of the enteric nervous system (ENS) arises from the vagal neural crest that emerges from the caudal hindbrain and colonizes the entire gastrointestinal tract. However, a second ENS contribution comes from the sacral neural crest that arises in the caudal neural tube and populates the post-umbilical gut. By coupling single-cell transcriptomics with axial-level-specific lineage tracing in avian embryos, we compared the contributions of embryonic vagal and sacral neural crest cells to the chick ENS and the associated peripheral ganglia (Nerve of Remak and pelvic plexuses). At embryonic day (E) 10, the two neural crest populations form overlapping subsets of neuronal and glia cell types. Surprisingly, the post-umbilical vagal neural crest much more closely resembles the sacral neural crest than the pre-umbilical vagal neural crest. However, some differences in cluster types were noted between vagal and sacral derived cells. Notably, RNA trajectory analysis suggests that the vagal neural crest maintains a neuronal/glial progenitor pool, whereas this cluster is depleted in the E10 sacral neural crest which instead has numerous enteric glia. The present findings reveal sacral neural crest contributions to the hindgut and associated peripheral ganglia and highlight the potential influence of the local environment and/or developmental timing in differentiation of neural crest-derived cells in the developing ENS.
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Affiliation(s)
- Jessica Jacobs-Li
- Division of Biology and Biological Engineering, California Institute of TechnologyPasadenaUnited States
| | - Weiyi Tang
- Division of Biology and Biological Engineering, California Institute of TechnologyPasadenaUnited States
| | - Can Li
- Division of Biology and Biological Engineering, California Institute of TechnologyPasadenaUnited States
| | - Marianne E Bronner
- Division of Biology and Biological Engineering, California Institute of TechnologyPasadenaUnited States
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Rao STRB, Turek I, Ratcliffe J, Beckham S, Cianciarulo C, Adil SSBMY, Kettle C, Whelan DR, Irving HR. 5-HT 3 Receptors on Mitochondria Influence Mitochondrial Function. Int J Mol Sci 2023; 24:ijms24098301. [PMID: 37176009 PMCID: PMC10179570 DOI: 10.3390/ijms24098301] [Citation(s) in RCA: 3] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/16/2023] [Revised: 04/30/2023] [Accepted: 05/01/2023] [Indexed: 05/15/2023] Open
Abstract
The 5-hydroxytryptamine 3 (5-HT3) receptor belongs to the pentameric ligand-gated cation channel superfamily. Humans have five different 5-HT3 receptor subunits: A to E. The 5-HT3 receptors are located on the cell membrane, but a previous study suggested that mitochondria could also contain A subunits. In this article, we explored the distribution of 5-HT3 receptor subunits in intracellular and cell-free mitochondria. Organelle prediction software supported the localization of the A and E subunits on the inner membrane of the mitochondria. We transiently transfected HEK293T cells that do not natively express the 5-HT3 receptor with an epitope and fluorescent protein-tagged 5HT3A and 5HT3E subunits. Fluorescence microscopy and cell fractionation indicated that both subunits, A and E, localized to the mitochondria, while transmission electron microscopy revealed the location of the subunits on the mitochondrial inner membrane, where they could form heteromeric complexes. Cell-free mitochondria isolated from cell culture media colocalized with the fluorescent signal for A subunits. The presence of A and E subunits influenced changes in the membrane potential and mitochondrial oxygen consumption rates upon exposure to serotonin; this was inhibited by pre-treatment with ondansetron. Therefore, it is likely that the 5-HT3 receptors present on mitochondria directly impact mitochondrial function and that this may have therapeutic implications.
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Affiliation(s)
- Santosh T R B Rao
- La Trobe Institute for Molecular Science, La Trobe University, P.O. Box 199, Bendigo, VIC 3552, Australia
- Department of Rural Clinical Sciences, La Trobe University, P.O. Box 199, Bendigo, VIC 3552, Australia
| | - Ilona Turek
- La Trobe Institute for Molecular Science, La Trobe University, P.O. Box 199, Bendigo, VIC 3552, Australia
- Department of Rural Clinical Sciences, La Trobe University, P.O. Box 199, Bendigo, VIC 3552, Australia
| | - Julian Ratcliffe
- La Trobe Institute for Molecular Science, La Trobe University, P.O. Box 199, Bendigo, VIC 3552, Australia
- Bio Imaging Platform, La Trobe University, Kingsbury Dr, Bundoora, VIC 3086, Australia
| | - Simone Beckham
- Regional Science Operations, La Trobe University, P.O. Box 199, Bendigo, VIC 3552, Australia
| | - Cassandra Cianciarulo
- La Trobe Institute for Molecular Science, La Trobe University, P.O. Box 199, Bendigo, VIC 3552, Australia
- Department of Rural Clinical Sciences, La Trobe University, P.O. Box 199, Bendigo, VIC 3552, Australia
| | - Siti S B M Y Adil
- Department of Rural Clinical Sciences, La Trobe University, P.O. Box 199, Bendigo, VIC 3552, Australia
| | - Christine Kettle
- La Trobe Institute for Molecular Science, La Trobe University, P.O. Box 199, Bendigo, VIC 3552, Australia
- Department of Rural Clinical Sciences, La Trobe University, P.O. Box 199, Bendigo, VIC 3552, Australia
| | - Donna R Whelan
- La Trobe Institute for Molecular Science, La Trobe University, P.O. Box 199, Bendigo, VIC 3552, Australia
- Department of Rural Clinical Sciences, La Trobe University, P.O. Box 199, Bendigo, VIC 3552, Australia
| | - Helen R Irving
- La Trobe Institute for Molecular Science, La Trobe University, P.O. Box 199, Bendigo, VIC 3552, Australia
- Department of Rural Clinical Sciences, La Trobe University, P.O. Box 199, Bendigo, VIC 3552, Australia
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Pilon N. Neural Crest Development in Health and Disease. Int J Mol Sci 2022; 23:ijms232213684. [PMID: 36430161 PMCID: PMC9691040 DOI: 10.3390/ijms232213684] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/28/2022] [Accepted: 11/07/2022] [Indexed: 11/10/2022] Open
Abstract
The first volume of this Special Issue met its goal of covering several aspects regarding both the normal and abnormal development of neural crest cells, which form a truly unique multipotent and highly migratory cell population that only exists in vertebrates [...].
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Affiliation(s)
- Nicolas Pilon
- Molecular Genetics of Development Laboratory, Department of Biological Sciences, Faculty of Sciences, Université du Québec à Montréal (UQAM), Montreal, QC H3C 3P8, Canada;
- Centre d’Excellence en Recherche sur les Maladies Orphelines–Fondation Courtois (CERMO-FC), Université du Québec à Montréal (UQAM), Montreal, QC H2X 3Y7, Canada
- Department of Pediatrics, Université de Montréal, Montreal, QC H3T 1C5, Canada
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Middelhoff M, Valenti G, Tomassoni L, Ochiai Y, Belin B, Takahashi R, Malagola E, Nienhüser H, Finlayson M, Hayakawa Y, Zamechek LB, Renz BW, Westphalen CB, Quante M, Margolis KG, Sims PA, Laise P, Califano A, Rao M, Gershon MD, Wang TC. Adult enteric Dclk1-positive glial and neuronal cells reveal distinct responses to acute intestinal injury. Am J Physiol Gastrointest Liver Physiol 2022; 322:G583-G597. [PMID: 35319286 PMCID: PMC9109794 DOI: 10.1152/ajpgi.00244.2021] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 07/22/2021] [Revised: 03/16/2022] [Accepted: 03/21/2022] [Indexed: 01/31/2023]
Abstract
Intestinal ganglionic cells in the adult enteric nervous system (ENS) are continually exposed to stimuli from the surrounding microenvironment and need at times to respond to disturbed homeostasis following acute intestinal injury. The kinase DCLK1 and intestinal Dclk1-positive cells have been reported to contribute to intestinal regeneration. Although Dclk1-positive cells are present in adult enteric ganglia, their cellular identity and response to acute injury have not been investigated in detail. Here, we reveal the presence of distinct Dclk1-tdTom+/CD49b+ glial-like and Dclk1-tdTom+/CD49b- neuronal cell types in adult myenteric ganglia. These ganglionic cells demonstrate distinct patterns of tracing over time yet show a similar expansion in response to elevated serotonergic signaling. Interestingly, Dclk1-tdTom+ glial-like and neuronal cell types appear resistant to acute irradiation injury-mediated cell death. Moreover, Dclk1-tdTom+/CD49b+ glial-like cells show prominent changes in gene expression profiles induced by injury, in contrast to Dclk1-tdTom+/CD49b- neuronal cell types. Finally, subsets of Dclk1-tdTom+/CD49b+ glial-like cells demonstrate prominent overlap with Nestin and p75NTR and strong responses to elevated serotonergic signaling or acute injury. These findings, together with their role in early development and their neural crest-like gene expression signature, suggest the presence of reserve progenitor cells in the adult Dclk1 glial cell lineage.NEW & NOTEWORTHY The kinase DCLK1 identifies glial-like and neuronal cell types in adult murine enteric ganglia, which resist acute injury-mediated cell death yet differ in their cellular response to injury. Interestingly, Dclk1-labeled glial-like cells show prominent transcriptional changes in response to injury and harbor features reminiscent of previously described enteric neural precursor cells. Our data thus add to recently emerging evidence of reserve cellular plasticity in the adult enteric nervous system.
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Affiliation(s)
- Moritz Middelhoff
- Division of Digestive and Liver Diseases, Department of Medicine, Columbia University College of Physicians and Surgeons, New York, New York
- Klinik und Poliklinik für Innere Medizin II, Klinikum rechts der Isar, Technische Universität München, Munich, Germany
| | - Giovanni Valenti
- Division of Digestive and Liver Diseases, Department of Medicine, Columbia University College of Physicians and Surgeons, New York, New York
| | - Lorenzo Tomassoni
- Department of Systems Biology, Columbia University College of Physicians and Surgeons, New York, New York
| | - Yosuke Ochiai
- Division of Digestive and Liver Diseases, Department of Medicine, Columbia University College of Physicians and Surgeons, New York, New York
| | - Bryana Belin
- Division of Digestive and Liver Diseases, Department of Medicine, Columbia University College of Physicians and Surgeons, New York, New York
| | - Ryota Takahashi
- Department of Gastroenterology, Graduate School of Medicine, The University of Tokyo, Tokyo, Japan
| | - Ermanno Malagola
- Division of Digestive and Liver Diseases, Department of Medicine, Columbia University College of Physicians and Surgeons, New York, New York
| | - Henrik Nienhüser
- Department of General, Visceral and Transplantation Surgery, Heidelberg University Hospital, Heidelberg, Germany
| | - Michael Finlayson
- Department of Systems Biology, Columbia University College of Physicians and Surgeons, New York, New York
| | - Yoku Hayakawa
- Department of Gastroenterology, Graduate School of Medicine, The University of Tokyo, Tokyo, Japan
| | - Leah B Zamechek
- Division of Digestive and Liver Diseases, Department of Medicine, Columbia University College of Physicians and Surgeons, New York, New York
| | - Bernhard W Renz
- Department of General, Visceral and Transplantation Surgery, Hospital of the University of Munich, Munich, Germany
| | - C Benedikt Westphalen
- Department of Internal Medicine, Comprehensive Cancer Center, Hospital of the University of Munich, Munich, Germany
| | - Michael Quante
- Klinik für Innere Medizin II, Gastrointestinale Onkologie, Universitätsklinikum Freiburg, Freiburg, Germany
| | - Kara G Margolis
- Department of Pediatrics, Columbia University College of Physicians and Surgeons, New York, New York
| | - Peter A Sims
- Department of Systems Biology, Columbia University College of Physicians and Surgeons, New York, New York
- Department of Biochemistry and Molecular Biophysics, Columbia University College of Physicians and Surgeons, New York, New York
| | - Pasquale Laise
- Department of Systems Biology, Columbia University College of Physicians and Surgeons, New York, New York
- DarwinHealth Inc., New York, New York
| | - Andrea Califano
- Department of Systems Biology, Columbia University College of Physicians and Surgeons, New York, New York
| | - Meenakshi Rao
- Division of Gastroenterology, Hepatology and Nutrition, Boston Children´s Hospital, Harvard Medical School, Boston, Massachusetts
| | - Michael D Gershon
- Department of Pathology and Cell Biology, Columbia University College of Physicians and Surgeons, New York, New York
| | - Timothy C Wang
- Division of Digestive and Liver Diseases, Department of Medicine, Columbia University College of Physicians and Surgeons, New York, New York
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