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Hu DJK, Cai XT, Simons J, Yun J, Elstrott J, Jasper H. Non-canonical Wnt signaling promotes epithelial fluidization in the repairing airway. Nat Commun 2025; 16:4124. [PMID: 40319020 PMCID: PMC12049509 DOI: 10.1038/s41467-025-59320-1] [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: 07/10/2024] [Accepted: 04/17/2025] [Indexed: 05/07/2025] Open
Abstract
Concerted migration of basal stem cells (BCs) in the airway, also known as epithelial fluidization, has been implicated in epithelial repair after injury. How BC migration is regulated, and how it influences the success of epithelial repair, remains unclear. Here we have identified non-canonical Wnt signaling through Ptk7, Fzd7, and YAP as a critical regulator of BC migration in the mouse trachea. Using live imaging and genetic studies in the mouse, we find that Ptk7 is required for the concerted movement of BCs after injury, and that this requirement extends to BC proliferation and subsequent restoration of epithelial homeostasis after injury. We demonstrate that Ptk7 exerts this function in conjunction with Wnt5a and Fzd7, and through YAP activation in BCs. Our data provide mechanistic insight into the regulation of epithelial repair in the airway.
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Affiliation(s)
- Daniel Jun-Kit Hu
- Regenerative Medicine, Genentech Inc., South San Francisco, CA, USA.
- Department of Cell and Molecular Physiology, Loyola University Chicago, Stritch School of Medicine, Maywood, IL, USA.
| | - Xiaoyu Tracy Cai
- Regenerative Medicine, Genentech Inc., South San Francisco, CA, USA
- Department of Medicine, Loyola University Chicago, Stritch School of Medicine, Maywood, IL, USA
| | - Jesse Simons
- Regenerative Medicine, Genentech Inc., South San Francisco, CA, USA
| | - Jina Yun
- Regenerative Medicine, Genentech Inc., South San Francisco, CA, USA
| | - Justin Elstrott
- Translational Imaging, Genentech Inc., South San Francisco, CA, USA
| | - Heinrich Jasper
- Regenerative Medicine, Genentech Inc., South San Francisco, CA, USA.
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2
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Liu Z, Ma Z, Zuo X, Lan C, Chen Y, Liu Z, Zhong W, Chen J, Xie X, Xu X, Wu Q, Huang L, Zeng J, Zhong W, Xia H, Zhang Y. Decreasing Proprotein Convertase 5 Causes Hirschsprung's Disease by Disrupting Neural Crest Cell Migration. Cell Mol Gastroenterol Hepatol 2025:101518. [PMID: 40252721 DOI: 10.1016/j.jcmgh.2025.101518] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 07/01/2024] [Revised: 04/09/2025] [Accepted: 04/09/2025] [Indexed: 04/21/2025]
Affiliation(s)
- Zipeng Liu
- Department of Pediatric Surgery, Guangdong Provincial Key Laboratory of Research in Structural Birth Defect Disease, Guangdong Provincial Children's Medical Research Center, Guangzhou Institute of Pediatrics, Guangzhou Women and Children's Medical Center, Guangzhou Medical University, Guangzhou, Guangdong, China
| | - Zuyi Ma
- Department of Pediatric Surgery, Guangdong Provincial Key Laboratory of Research in Structural Birth Defect Disease, Guangdong Provincial Children's Medical Research Center, Guangzhou Institute of Pediatrics, Guangzhou Women and Children's Medical Center, Guangzhou Medical University, Guangzhou, Guangdong, China
| | - Xiaoyu Zuo
- Department of Pediatric Surgery, Guangdong Provincial Key Laboratory of Research in Structural Birth Defect Disease, Guangdong Provincial Children's Medical Research Center, Guangzhou Institute of Pediatrics, Guangzhou Women and Children's Medical Center, Guangzhou Medical University, Guangzhou, Guangdong, China
| | - Chaoting Lan
- Department of Pediatric Surgery, Guangdong Provincial Key Laboratory of Research in Structural Birth Defect Disease, Guangdong Provincial Children's Medical Research Center, Guangzhou Institute of Pediatrics, Guangzhou Women and Children's Medical Center, Guangzhou Medical University, Guangzhou, Guangdong, China
| | - Yuqiong Chen
- Department of Pediatric Surgery, Guangdong Provincial Key Laboratory of Research in Structural Birth Defect Disease, Guangdong Provincial Children's Medical Research Center, Guangzhou Institute of Pediatrics, Guangzhou Women and Children's Medical Center, Guangzhou Medical University, Guangzhou, Guangdong, China
| | - Zhihai Liu
- Department of Pediatric Surgery, Guangdong Provincial Key Laboratory of Research in Structural Birth Defect Disease, Guangdong Provincial Children's Medical Research Center, Guangzhou Institute of Pediatrics, Guangzhou Women and Children's Medical Center, Guangzhou Medical University, Guangzhou, Guangdong, China
| | - Weiyong Zhong
- Department of Pediatric Surgery, Guangdong Provincial Key Laboratory of Research in Structural Birth Defect Disease, Guangdong Provincial Children's Medical Research Center, Guangzhou Institute of Pediatrics, Guangzhou Women and Children's Medical Center, Guangzhou Medical University, Guangzhou, Guangdong, China
| | - Jiazhang Chen
- Department of Pediatric Surgery, Guangdong Provincial Key Laboratory of Research in Structural Birth Defect Disease, Guangdong Provincial Children's Medical Research Center, Guangzhou Institute of Pediatrics, Guangzhou Women and Children's Medical Center, Guangzhou Medical University, Guangzhou, Guangdong, China
| | - Xiaoli Xie
- Department of Pediatric Surgery, Guangdong Provincial Key Laboratory of Research in Structural Birth Defect Disease, Guangdong Provincial Children's Medical Research Center, Guangzhou Institute of Pediatrics, Guangzhou Women and Children's Medical Center, Guangzhou Medical University, Guangzhou, Guangdong, China
| | - Xiaogang Xu
- Department of Pediatric Surgery, Guangdong Provincial Key Laboratory of Research in Structural Birth Defect Disease, Guangdong Provincial Children's Medical Research Center, Guangzhou Institute of Pediatrics, Guangzhou Women and Children's Medical Center, Guangzhou Medical University, Guangzhou, Guangdong, China
| | - Qiang Wu
- Department of Pediatric Surgery, Guangdong Provincial Key Laboratory of Research in Structural Birth Defect Disease, Guangdong Provincial Children's Medical Research Center, Guangzhou Institute of Pediatrics, Guangzhou Women and Children's Medical Center, Guangzhou Medical University, Guangzhou, Guangdong, China
| | - Lihua Huang
- Department of Pediatric Surgery, Guangdong Provincial Key Laboratory of Research in Structural Birth Defect Disease, Guangdong Provincial Children's Medical Research Center, Guangzhou Institute of Pediatrics, Guangzhou Women and Children's Medical Center, Guangzhou Medical University, Guangzhou, Guangdong, China
| | - Jixiao Zeng
- Department of Pediatric Surgery, Guangdong Provincial Key Laboratory of Research in Structural Birth Defect Disease, Guangdong Provincial Children's Medical Research Center, Guangzhou Institute of Pediatrics, Guangzhou Women and Children's Medical Center, Guangzhou Medical University, Guangzhou, Guangdong, China
| | - Wei Zhong
- Department of Pediatric Surgery, Guangdong Provincial Key Laboratory of Research in Structural Birth Defect Disease, Guangdong Provincial Children's Medical Research Center, Guangzhou Institute of Pediatrics, Guangzhou Women and Children's Medical Center, Guangzhou Medical University, Guangzhou, Guangdong, China.
| | - Huimin Xia
- Department of Pediatric Surgery, Guangdong Provincial Key Laboratory of Research in Structural Birth Defect Disease, Guangdong Provincial Children's Medical Research Center, Guangzhou Institute of Pediatrics, Guangzhou Women and Children's Medical Center, Guangzhou Medical University, Guangzhou, Guangdong, China.
| | - Yan Zhang
- Department of Pediatric Surgery, Guangdong Provincial Key Laboratory of Research in Structural Birth Defect Disease, Guangdong Provincial Children's Medical Research Center, Guangzhou Institute of Pediatrics, Guangzhou Women and Children's Medical Center, Guangzhou Medical University, Guangzhou, Guangdong, China; The Third Affiliated Hospital of Zhengzhou University, Zhengzhou, China.
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3
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Zhao Y, Zhao Y, Liang L, Chen A, Li Y, Liu K, Xie R, Mao H, Ren B, Huang B, Shi C, Shao Z, Wu S, Wang Y, Zhang H. Human neuron chimeric mice reveal impairment of DVL-1-mediated neuronal migration by sevoflurane and potential treatment by rTMS. Exp Mol Med 2025; 57:745-758. [PMID: 40164685 PMCID: PMC12045952 DOI: 10.1038/s12276-025-01425-0] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/14/2024] [Revised: 12/23/2024] [Accepted: 01/01/2025] [Indexed: 04/02/2025] Open
Abstract
Whether early exposure to general anesthetics hurts human brain development is still under discussion. Animal studies have documented multiple neurotoxicities of repeated/prolonged exposure to sevoflurane (Sev, a commonly used pediatric anesthetic) at the neonatal stage. Its effects on human neural development remain elusive. Here, by investigating neural progenitor cells derived from two human embryonic stem cell lines, human cerebral organoids and human neuronal chimeric mice, we found that, although Sev inhibits neuronal differentiation and synaptogenesis of human neural progenitor cells in vitro, it only inhibits human neuronal migration in vivo. Chemogenetic activation of human neurons rescued the defects of cell migration and social dysfunction of Sev-pretreated human neuronal chimeric mice. Mechanistically, Sev inhibits DVL-1/Ca2+ signaling and multiple cell migration-related genes. Overexpressing DVL-1 enhanced the Ca2+ response, neuronal migration and social function of Sev-pretreated chimeric mice. Furthermore, specific modulation of human neurons by high-frequency transcranial magnetic stimulation not only activated DVL-1/Ca2+ signaling but also improved human neuronal migration and social function in chimeric mice. Our data demonstrate that early Sev exposure is toxic to human neuronal migration via inhibiting DVL-1 signaling and that transcranial magnetic stimulation could be potentially therapeutic.
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Affiliation(s)
- Youyi Zhao
- State Key Laboratory of Oral and Maxillofacial Reconstruction and Regeneration and National Clinical Research Center for Oral Diseases and Shaanxi Engineering Research, Center for Dental Materials and Advanced Manufacture, Department of Anesthesiology, School of Stomatology, Fourth Military Medical University, Xi'an, P. R. China
- Department of Neurobiology and Institute of Neurosciences, School of Basic Medicine, Fourth Military Medical University, Xi'an, P. R. China
| | - Ya Zhao
- Laboratory Animal Center, Fourth Military Medical University, Xi'an, P. R. China
| | - Lirong Liang
- State Key Laboratory of Oral and Maxillofacial Reconstruction and Regeneration and National Clinical Research Center for Oral Diseases and Shaanxi Engineering Research, Center for Dental Materials and Advanced Manufacture, Department of Anesthesiology, School of Stomatology, Fourth Military Medical University, Xi'an, P. R. China
| | - Andi Chen
- Department of Neurobiology and Institute of Neurosciences, School of Basic Medicine, Fourth Military Medical University, Xi'an, P. R. China
| | - Yuqian Li
- Department of Neurobiology and Institute of Neurosciences, School of Basic Medicine, Fourth Military Medical University, Xi'an, P. R. China
| | - Ke Liu
- Laboratory Animal Center, Fourth Military Medical University, Xi'an, P. R. China
| | - Rougang Xie
- Department of Neurobiology and Institute of Neurosciences, School of Basic Medicine, Fourth Military Medical University, Xi'an, P. R. China
| | - Honghui Mao
- Department of Neurobiology and Institute of Neurosciences, School of Basic Medicine, Fourth Military Medical University, Xi'an, P. R. China
| | - Boyang Ren
- Department of Neurobiology and Institute of Neurosciences, School of Basic Medicine, Fourth Military Medical University, Xi'an, P. R. China
| | - Bosong Huang
- Department of Neurobiology and Institute of Neurosciences, School of Basic Medicine, Fourth Military Medical University, Xi'an, P. R. China
| | - Changhong Shi
- Laboratory Animal Center, Fourth Military Medical University, Xi'an, P. R. China
| | - Zhicheng Shao
- Department of Neurology, Zhongshan Hospital, Institute for Translational Brain Research, State Key Laboratory of Medical Neurobiology and MOE Frontiers Center for Brain Science, Fudan University, Shanghai, P. R. China
| | - Shengxi Wu
- Department of Neurobiology and Institute of Neurosciences, School of Basic Medicine, Fourth Military Medical University, Xi'an, P. R. China.
| | - Yazhou Wang
- Department of Neurobiology and Institute of Neurosciences, School of Basic Medicine, Fourth Military Medical University, Xi'an, P. R. China.
| | - Hui Zhang
- State Key Laboratory of Oral and Maxillofacial Reconstruction and Regeneration and National Clinical Research Center for Oral Diseases and Shaanxi Engineering Research, Center for Dental Materials and Advanced Manufacture, Department of Anesthesiology, School of Stomatology, Fourth Military Medical University, Xi'an, P. R. China.
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4
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Yusifov E, Schaettin M, Dumoulin A, Bachmann-Gagescu R, Stoeckli ET. The primary cilium gene CPLANE1 is required for peripheral nervous system development. Dev Biol 2025; 519:106-121. [PMID: 39694173 DOI: 10.1016/j.ydbio.2024.12.008] [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: 05/28/2024] [Revised: 12/05/2024] [Accepted: 12/14/2024] [Indexed: 12/20/2024]
Abstract
Ciliopathies are a group of neurodevelopmental disorders characterized by the dysfunction of the primary cilium. This small protrusion from most cells of our body serves as a signaling hub for cell-to-cell communication during development. Cell proliferation, differentiation, migration, and neural circuit formation have been demonstrated to depend on functional primary cilia. In the context of ciliopathies, the focus has been on the development of the central nervous system, while the peripheral nervous system has not been studied in depth. In line with phenotypes seen in patients, the absence of a functional primary cilium was shown to affect the migration of cranial and vagal neural crest cells, which contribute to the development of craniofacial features and the heart, respectively. We show here that the ciliopathy gene Cplane1 is required for the development of the peripheral nervous system. Loss of Cplane1 function in chicken embryos induces defects in dorsal root ganglia, which vary in size and fail to localize symmetrically along the spinal cord. These defects may help to understand the alteration in somatosensory perceptions described in some ciliopathy patients.
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Affiliation(s)
- Elkhan Yusifov
- Department of Molecular Life Sciences and Neuroscience Center Zurich, University of Zurich, Switzerland; University Research Priority Program 'Adaptive Brain Circuits in Development and Learning' (URPP AdaBD), University of Zurich, Switzerland
| | - Martina Schaettin
- Department of Molecular Life Sciences and Neuroscience Center Zurich, University of Zurich, Switzerland; University Research Priority Program 'Adaptive Brain Circuits in Development and Learning' (URPP AdaBD), University of Zurich, Switzerland
| | - Alexandre Dumoulin
- Department of Molecular Life Sciences and Neuroscience Center Zurich, University of Zurich, Switzerland
| | - Ruxandra Bachmann-Gagescu
- Department of Molecular Life Sciences and Neuroscience Center Zurich, University of Zurich, Switzerland; University Research Priority Program 'Adaptive Brain Circuits in Development and Learning' (URPP AdaBD), University of Zurich, Switzerland; Institute of Medical Genetics, University of Zurich, Switzerland
| | - Esther T Stoeckli
- Department of Molecular Life Sciences and Neuroscience Center Zurich, University of Zurich, Switzerland; University Research Priority Program 'Adaptive Brain Circuits in Development and Learning' (URPP AdaBD), University of Zurich, Switzerland.
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5
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Salinas E, Ruano-Rivadeneira F, Leal JI, Caprile T, Torrejón M, Arriagada C. Polarity and migration of cranial and cardiac neural crest cells: underlying molecular mechanisms and disease implications. Front Cell Dev Biol 2025; 12:1457506. [PMID: 39834387 PMCID: PMC11743681 DOI: 10.3389/fcell.2024.1457506] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/30/2024] [Accepted: 12/04/2024] [Indexed: 01/22/2025] Open
Abstract
The Neural Crest cells are multipotent progenitor cells formed at the neural plate border that differentiate and give rise to a wide range of cell types and organs. Directional migration of NC cells and their correct positioning at target sites are essential during embryonic development, and defects in these processes results in congenital diseases. The NC migration begins with the epithelial-mesenchymal transition and extracellular matrix remodeling. The main cellular mechanisms that sustain this migration include contact inhibition of locomotion, co-attraction, chemotaxis and mechanical cues from the surrounding environment, all regulated by proteins that orchestrate cell polarity and motility. In this review we highlight the molecular mechanisms involved in neural crest cell migration and polarity, focusing on the role of small GTPases, Heterotrimeric G proteins and planar cell polarity complex. Here, we also discuss different congenital diseases caused by altered NC cell migration.
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Affiliation(s)
- Esteban Salinas
- Centro de Biología Celular y Biomedicina (CEBICEM), Facultad de Medicina y Ciencia, Universidad San Sebastián, Santiago, Chile
- Departamento de Ciencias Biológicas y Químicas, Facultad de Medicina y Ciencia, Universidad San Sebastián, Santiago, Chile
| | - Francis Ruano-Rivadeneira
- Developmental Biology Laboratory 116, School of Biological Sciences, Faculty of Exact and Natural Sciences, Pontificia Universidad Católica del Ecuador, Quito, Ecuador
| | - Juan Ignacio Leal
- Laboratory of Signaling and Development (LSD), Group for the Study of Developmental Processes (GDeP), Department of Biochemistry and Molecular Biology, Faculty of Biological Sciences, University of Concepción, Concepción, Chile
| | - Teresa Caprile
- Laboratory of Axonal Guidance, Group for the Study of Developmental Processes (GDeP), Department of Cellular Biology, Faculty of Biological Sciences, Universidad de Concepción, Concepción, Chile
| | - Marcela Torrejón
- Laboratory of Signaling and Development (LSD), Group for the Study of Developmental Processes (GDeP), Department of Biochemistry and Molecular Biology, Faculty of Biological Sciences, University of Concepción, Concepción, Chile
| | - Cecilia Arriagada
- Centro de Biología Celular y Biomedicina (CEBICEM), Facultad de Medicina y Ciencia, Universidad San Sebastián, Santiago, Chile
- Departamento de Ciencias Biológicas y Químicas, Facultad de Medicina y Ciencia, Universidad San Sebastián, Santiago, Chile
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6
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Liu T, Wen Y, Cui Z, Chen H, Lin J, Xu J, Chen D, Zhu Y, Yu Z, Wang C, Zhang B. MicroRNA-3061 downregulates the expression of PAX7/Wnt/Ca 2+ signalling axis genes to induce premature ovarian failure in mice. Cell Prolif 2024; 57:e13686. [PMID: 38831624 PMCID: PMC11533063 DOI: 10.1111/cpr.13686] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/26/2024] [Revised: 05/16/2024] [Accepted: 05/21/2024] [Indexed: 06/05/2024] Open
Abstract
The in-depth mechanisms of microRNA regulation of premature ovarian failure (POF) remain unclear. Crispr-cas9 technology was used to construct transgenic mice. The qPCR and Western blot was used to detect the expression level of genes. H&E staining were used to detect ovarian pathological phenotypes. We found that the expression levels of microRNA-3061 were significantly higher in ovarian granulosa cells (OGCs) of POF mouse models than in controls. The miR-3061+/-/AMH-Cre+/- transgenic mice manifested symptoms of POF. RNA-Seq and luciferase reporter assay confirmed that the PAX7 was one of the target genes negatively regulated by microRNA-3061 (miR-3061-5p). Moreover, PAX7 mediated the expression of non-canonical Wnt/Ca2+ signalling pathway by binding to the motifs of promoters to stimulate the transcriptional activation of Wnt5a and CamK2a. In contrast, specific knock-in of microRNA-3061 in OGCs significantly downregulated the expression levels of PAX7 and inhibited the expression of downstream Wnt/Ca2+ signalling pathway. We also discerned a correlation between the expression levels of mRNAs of the Wnt/Ca2+ signalling pathway and the levels of E2 and FSH in POF patients by examining gene expression in the follicular fluid-derived exosomes of women. We confirmed that overexpression of microRNA-3061 induced proliferative inhibition of OGCs and ultimately induced POF in mice by suppressing the transcription factor PAX7 and downregulating expression levels of its downstream Wnt/Ca2+ signalling pathway genes.
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Affiliation(s)
- Te Liu
- Shanghai Geriatric Institute of Chinese MedicineShanghai University of Traditional Chinese MedicineShanghaiChina
| | - Yichao Wen
- Shanghai Geriatric Institute of Chinese MedicineShanghai University of Traditional Chinese MedicineShanghaiChina
| | - Zeyu Cui
- Shanghai Geriatric Institute of Chinese MedicineShanghai University of Traditional Chinese MedicineShanghaiChina
| | - Haiyang Chen
- Shanghai Geriatric Institute of Chinese MedicineShanghai University of Traditional Chinese MedicineShanghaiChina
| | - Jiajia Lin
- Shanghai Geriatric Institute of Chinese MedicineShanghai University of Traditional Chinese MedicineShanghaiChina
| | - Jianghong Xu
- Department of GynaecologyJingan Hospital of Traditional Chinese MedicineShanghaiChina
| | - Danping Chen
- Department of GynaecologyJingan Hospital of Traditional Chinese MedicineShanghaiChina
| | - Ying Zhu
- Department of GynaecologyJingan Hospital of Traditional Chinese MedicineShanghaiChina
| | - Zhihua Yu
- Shanghai Geriatric Institute of Chinese MedicineShanghai University of Traditional Chinese MedicineShanghaiChina
| | - Chunxia Wang
- Department of Reproductive MedicineHenan Province Hospital of Traditional Chinese MedicineHenanChina
| | - Bimeng Zhang
- Department of Acupuncture, Shanghai General HospitalShanghai Jiao Tong University School of MedicineShanghaiChina
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Sadeghsoltani F, Avci ÇB, Hassanpour P, Haiaty S, Rahmati M, Mota A, Rahbarghazi R, Nemati M, Mahdipour M, Talebi M, Takanlou LS, Takanlou MS, Mehdizadeh A. Autophagy modulation effect on homotypic transfer of intracellular components via tunneling nanotubes in mesenchymal stem cells. Stem Cell Res Ther 2024; 15:189. [PMID: 38956646 PMCID: PMC11218273 DOI: 10.1186/s13287-024-03813-1] [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: 04/26/2024] [Accepted: 06/23/2024] [Indexed: 07/04/2024] Open
Abstract
BACKGROUND Recent studies have proved the role of autophagy in mesenchymal stem cell (MSCs) function and regenerative properties. How and by which mechanism autophagy modulation can affect the juxtacrine interaction of MSCs should be addressed. Here, the role of autophagy was investigated in the formation of tunneling nanotubes (TNTs) and homotypic mitochondrial donation. METHODS MSCs were incubated with 15 µM Metformin (Met) and/or 3 µM 3-methyladenine (3-MA) for 48 h. The formation of TNTs was assessed using bright-field and SEM images. The mitochondria density and ΔΨ values were monitored using flow cytometry analysis. Using RT-PCR and protein array, the close interaction and shared mediators between autophagy, apoptosis, and Wnt signaling pathways were also monitored. The total fatty acid profile was assessed using gas chromatography. RESULT Data indicated the increase of TNT length and number, along with other cell projections after the induction of autophagy while these features were blunted in 3-MA-treated MSCs (p < 0.05). Western blotting revealed the significant reduction of Rab8 and p-FAK in 3-MA-treated MSCs (p < 0.05), indicating the inhibition of TNT assembly and vesicle transport. Likewise, the stimulation of autophagy increased autophagic flux and mitochondrial membrane integrity compared to 3-MA-treated MSCs. Despite these findings, protein levels of mitochondrial membrane Miro1 and 2 were unchanged after autophagy inhibition/stimulation (p > 0.05). We found that the inhibition/stimulation of autophagy can affect the protein, and transcription levels of several mediators related to Wnt and apoptosis signaling pathways involved in different cell bioactivities. Data confirmed the profound increase of mono and polyunsaturated/saturated fatty acid ratio in MSCs exposed to autophagy stimulator. CONCLUSIONS In summary, autophagy modulation could affect TNT formation which is required for homotypic mitochondrial donation. Thus, the modulation of autophagy creates a promising perspective to increase the efficiency of cell-based therapies.
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Affiliation(s)
- Fatemeh Sadeghsoltani
- Stem Cell Research Center, Tabriz University of Medical Sciences, Tabriz, Iran
- Department of Clinical Biochemistry and Laboratory Medicine, School of Medicine, Tabriz University of Medical Sciences, Tabriz, 5166614766, Iran
| | - Çığır Biray Avci
- Department of Medical Biology, Faculty of Medicine, Ege University, Izmir, Turkey
| | - Parisa Hassanpour
- Stem Cell Research Center, Tabriz University of Medical Sciences, Tabriz, Iran
- Department of Clinical Biochemistry and Laboratory Medicine, School of Medicine, Tabriz University of Medical Sciences, Tabriz, 5166614766, Iran
| | - Sanya Haiaty
- Infectious and Tropical Diseases Research Center, Tabriz University of Medical Sciences, Tabriz, Iran
| | - Mohamad Rahmati
- Department of Clinical Biochemistry and Laboratory Medicine, School of Medicine, Tabriz University of Medical Sciences, Tabriz, 5166614766, Iran
| | - Ali Mota
- Stem Cell Research Center, Tabriz University of Medical Sciences, Tabriz, Iran.
- Department of Clinical Biochemistry and Laboratory Medicine, School of Medicine, Tabriz University of Medical Sciences, Tabriz, 5166614766, Iran.
| | - Reza Rahbarghazi
- Stem Cell Research Center, Tabriz University of Medical Sciences, Tabriz, Iran.
- Department of Applied Cell Sciences, Faculty of Advanced Medical Sciences, Tabriz University of Medical Sciences, Tabriz, 5166653431, Iran.
| | - Maryam Nemati
- Department of Genetic, Tabriz Branch, Islamic Azad University, Tabriz, Iran
| | - Mahdi Mahdipour
- Stem Cell Research Center, Tabriz University of Medical Sciences, Tabriz, Iran
| | - Mehdi Talebi
- Hematology and Oncology Research Center, Tabriz University of Medical Sciences, Tabriz, Iran
| | | | | | - Amir Mehdizadeh
- Hematology and Oncology Research Center, Tabriz University of Medical Sciences, Tabriz, Iran
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8
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Tan QH, Otgonbaatar A, Kaur P, Ga AF, Harmston NP, Tolwinski NS. The Wnt Co-Receptor PTK7/Otk and Its Homolog Otk-2 in Neurogenesis and Patterning. Cells 2024; 13:365. [PMID: 38474329 PMCID: PMC10930971 DOI: 10.3390/cells13050365] [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: 11/20/2023] [Revised: 02/09/2024] [Accepted: 02/16/2024] [Indexed: 03/14/2024] Open
Abstract
Wnt signaling is a highly conserved metazoan pathway that plays a crucial role in cell fate determination and morphogenesis during development. Wnt ligands can induce disparate cellular responses. The exact mechanism behind these different outcomes is not fully understood but may be due to interactions with different receptors on the cell membrane. PTK7/Otk is a transmembrane receptor that is implicated in various developmental and physiological processes including cell polarity, cell migration, and invasion. Here, we examine two roles of Otk-1 and Otk-2 in patterning and neurogenesis. We find that Otk-1 is a positive regulator of signaling and Otk-2 functions as its inhibitor. We propose that PTK7/Otk functions in signaling, cell migration, and polarity contributing to the diversity of cellular responses seen in Wnt-mediated processes.
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Affiliation(s)
- Qian Hui Tan
- Division of Science, Yale-NUS College, Singapore 138527, Singapore (A.O.); (P.K.); (A.F.G.); (N.P.H.)
| | - Agimaa Otgonbaatar
- Division of Science, Yale-NUS College, Singapore 138527, Singapore (A.O.); (P.K.); (A.F.G.); (N.P.H.)
| | - Prameet Kaur
- Division of Science, Yale-NUS College, Singapore 138527, Singapore (A.O.); (P.K.); (A.F.G.); (N.P.H.)
| | - Angelica Faye Ga
- Division of Science, Yale-NUS College, Singapore 138527, Singapore (A.O.); (P.K.); (A.F.G.); (N.P.H.)
| | - Nathan P. Harmston
- Division of Science, Yale-NUS College, Singapore 138527, Singapore (A.O.); (P.K.); (A.F.G.); (N.P.H.)
- Program in Cancer and Stem Cell Biology, Duke-NUS Medical School, Singapore 169857, Singapore
- Molecular Biosciences Division, Cardiff School of Biosciences, Cardiff University, Cardiff CF10 3AX, UK
| | - Nicholas S. Tolwinski
- Division of Science, Yale-NUS College, Singapore 138527, Singapore (A.O.); (P.K.); (A.F.G.); (N.P.H.)
- Program in Cancer and Stem Cell Biology, Duke-NUS Medical School, Singapore 169857, Singapore
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9
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Scharr M, Hirt B, Neckel PH. Spatial gene expression profile of Wnt-signaling components in the murine enteric nervous system. Front Immunol 2024; 15:1302488. [PMID: 38322254 PMCID: PMC10846065 DOI: 10.3389/fimmu.2024.1302488] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/26/2023] [Accepted: 01/02/2024] [Indexed: 02/08/2024] Open
Abstract
Introduction Wnt-signaling is a key regulator of stem cell homeostasis, extensively studied in the intestinal crypt and other metazoan tissues. Yet, there is hardly any data available on the presence of Wnt-signaling components in the adult enteric nervous system (ENS) in vivo. Methods Therefore, we employed RNAscope HiPlex-assay, a novel and more sensitive in situ hybridization technology. By amplifying target specific signals, this technique enables the detection of low abundance, tightly regulated RNA content as is the case for Wnt-signaling components. Additionally, we compared our data to previously published physiological single cell RNA and RiboTag-based RNA sequencing analyses of enteric gliosis using data-mining approaches. Results Our descriptive analysis shows that several components of the multidi-mensional regulatory network of the Wnt-signaling pathway are present in the murine ENS. The transport and secretion protein for Wnt-ligands Wntless as well as canonical (Wnt3a and Wnt2b) and non-canonical Wnt-ligands (Wnt5a, Wnt7a, Wnt8b and Wnt11) are detectable within submucosal and myenteric plexus. Further, corresponding Frizzled receptors (Fzd1, Fzd3, Fzd6, and Fzd7) and regulatory signaling mediators like R-Spondin/DKK ligands are present in the ENS of the small and large intestine. Further, data mining approaches revealed, that several Wnt-related molecules are expressed by enteric glial cell clusters and are dynamically regulated during the inflammatory manifestation of enteric gliosis. Discussion Our results suggest, that canonical and non-canonical Wnt-signaling has a much broader impact on the mature ENS and its cellular homeostasis in health and inflammation, than previously anticipated.
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Affiliation(s)
| | | | - Peter H. Neckel
- Institute of Clinical Anatomy and Cell Analysis, University of Tübingen, Tübingen, Germany
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10
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Russell NX, Burra K, Shah RM, Bottasso-Arias N, Mohanakrishnan M, Snowball J, Ediga HH, Madala SK, Sinner D. Wnt signaling regulates ion channel expression to promote smooth muscle and cartilage formation in developing mouse trachea. Am J Physiol Lung Cell Mol Physiol 2023; 325:L788-L802. [PMID: 37873566 PMCID: PMC11068408 DOI: 10.1152/ajplung.00024.2023] [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: 01/17/2023] [Revised: 08/28/2023] [Accepted: 10/15/2023] [Indexed: 10/25/2023] Open
Abstract
Ion channels play critical roles in the physiology and function of the nervous system and contractile tissue; however, their role in noncontractile tissue and embryonic development has yet to be understood. Tracheobronchomalacia (TBM) and complete tracheal rings (CTR) are disorders affecting the muscle and cartilage of the trachea and bronchi, whose etiology remains poorly understood. We demonstrated that trachealis muscle organization and polarity are disrupted after epithelial ablation of Wntless (Wls), a cargo receptor critical for the Wnt signaling pathway, in developing trachea. The phenotype resembles the anomalous trachealis muscle observed after deletion of ion channel encoding genes in developing mouse trachea. We sought to investigate whether and how the deletion of Wls affects ion channels during tracheal development. We hypothesize that Wnt signaling influences the expression of ion channels to promote trachealis muscle cell assembly and patterning. Deleting Wls in developing trachea causes differential regulation of genes mediating actin binding, cytoskeleton organization, and potassium ion channel activity. Wnt signaling regulates the expression of Kcnj13, Kcnd3, Kcnj8, and Abcc9 as demonstrated by in vitro studies and in vivo analysis in Wnt5a and β-catenin-deficient tracheas. Pharmacological inhibition of potassium ion channels and Wnt signaling impaired contractility of developing trachealis smooth muscle and formation of cartilaginous mesenchymal condensation. Thus, in mice, epithelial-induced Wnt/β-catenin signaling mediates trachealis muscle and cartilage development via modulation of ion channel expression, promoting trachealis muscle architecture, contractility, and cartilaginous extracellular matrix. In turn, ion channel activity may influence tracheal morphogenesis underlying TBM and CTR.NEW & NOTEWORTHY Ion channels play critical roles in the physiology and function of the nervous system and contractile tissue; however, their role in noncontractile tissue and embryonic development has yet to be understood. In this study, we focused on the role of ion channels in the differentiation and patterning of the large airways of the developing respiratory tract. We identify a mechanism by which Wnt-beta-catenin signaling controls levels of ion channel-encoding genes to promote tracheal differentiation.
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Affiliation(s)
- Nicholas X Russell
- Neonatology and Pulmonary Biology Perinatal Institute, Cincinnati Children's Hospital Medical Center, University of Cincinnati Honors Program, Cincinnati, Ohio, United States
| | - Kaulini Burra
- Neonatology and Pulmonary Biology Perinatal Institute, Cincinnati Children's Hospital Medical Center, Cincinnati, Ohio, United States
| | - Ronak M Shah
- Neonatology and Pulmonary Biology Perinatal Institute, Cincinnati Children's Hospital Medical Center, University of Cincinnati Honors Program, Cincinnati, Ohio, United States
| | - Natalia Bottasso-Arias
- Neonatology and Pulmonary Biology Perinatal Institute, Cincinnati Children's Hospital Medical Center, Cincinnati, Ohio, United States
| | - Megha Mohanakrishnan
- Neonatology and Pulmonary Biology Perinatal Institute, Cincinnati Children's Hospital Medical Center, University of Cincinnati Honors Program, Cincinnati, Ohio, United States
| | - John Snowball
- Neonatology and Pulmonary Biology Perinatal Institute, Cincinnati Children's Hospital Medical Center, Cincinnati, Ohio, United States
| | - Harshavardhana H Ediga
- Division of Pulmonary, Critical Care and Sleep Medicine, Department of Internal Medicine, University of Cincinnati College of Medicine, Cincinnati, Ohio, United States
| | - Satish K Madala
- Division of Pulmonary, Critical Care and Sleep Medicine, Department of Internal Medicine, University of Cincinnati College of Medicine, Cincinnati, Ohio, United States
| | - Debora Sinner
- Neonatology and Pulmonary Biology Perinatal Institute, Cincinnati Children's Hospital Medical Center, University of Cincinnati, College of Medicine, Cincinnati, Ohio, United States
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11
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Russell NX, Burra K, Shah R, Bottasso-Arias N, Mohanakrishnan M, Snowball J, Ediga HH, Madala SK, Sinner D. Wnt signaling regulates ion channel expression to promote smooth muscle and cartilage formation in developing mouse trachea. BIORXIV : THE PREPRINT SERVER FOR BIOLOGY 2023:2023.01.10.523309. [PMID: 36711918 PMCID: PMC9882072 DOI: 10.1101/2023.01.10.523309] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Indexed: 01/15/2023]
Abstract
Ion channels play critical roles in the physiology and function of the nervous system and contractile tissue; however, their role in non-contractile tissue and embryonic development has yet to be understood. Tracheobronchomalacia (TBM) and complete tracheal rings (CTR) are disorders affecting the muscle and cartilage of the trachea and bronchi, whose etiology remains poorly understood. We demonstrated that trachealis muscle organization and polarity are disrupted after epithelial ablation of Wls, a cargo receptor critical for the Wnt signaling pathway, in developing trachea. The phenotype resembles the anomalous trachealis muscle observed after deletion of ion channel encoding genes in developing mouse trachea. We sought to investigate whether and how the deletion of Wls affects ion channels during tracheal development. We hypothesize that Wnt signaling influences the expression of ion channels to promote trachealis muscle cell assembly and patterning. Deleting Wls in developing trachea causes differential regulation of genes mediating actin binding, cytoskeleton organization, and potassium ion channel activity. Wnt signaling regulated expression of Kcnj13, Kcnd3, Kcnj8, and Abcc9 as demonstrated by in vitro studies and in vivo analysis in Wnt5a and β-catenin deficient tracheas. Pharmacological inhibition of potassium ion channels and Wnt signaling impaired contractility of developing trachealis smooth muscle and formation of cartilaginous mesenchymal condensation. Thus, in mice, epithelial-induced Wnt/β-catenin signaling mediates trachealis muscle and cartilage development via modulation of ion channel expression, promoting trachealis muscle architecture, contractility, and cartilaginous extracellular matrix. In turn, ion channel activity may influence tracheal morphogenesis underlying TBM and CTR.
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Affiliation(s)
- Nicholas X. Russell
- Neonatology and Pulmonary Biology Perinatal Institute. Cincinnati Children’s Hospital Medical Center and University of Cincinnati Honors Program
| | - Kaulini Burra
- Neonatology and Pulmonary Biology Perinatal Institute. Cincinnati Children’s Hospital Medical Center. Current affiliation: Nationwide Children’s Hospital Columbus OH
| | - Ronak Shah
- Neonatology and Pulmonary Biology Perinatal Institute. Cincinnati Children’s Hospital Medical Center and University of Cincinnati Honors Program Current Affiliation: Renaissance School of Medicine at Stony Brook University
| | - Natalia Bottasso-Arias
- Neonatology and Pulmonary Biology Perinatal Institute. Cincinnati Children’s Hospital Medical Center
| | - Megha Mohanakrishnan
- Neonatology and Pulmonary Biology Perinatal Institute. Cincinnati Children’s Hospital Medical Center and University of Cincinnati Honors Program
| | - John Snowball
- Neonatology and Pulmonary Biology Perinatal Institute. Cincinnati Children’s Hospital Medical Center. Current affiliation: P&G Cincinnati, OH
| | - Harshavardhana H. Ediga
- Division of Pulmonary, Critical Care and Sleep Medicine, Department of Internal Medicine, University of Cincinnati College of Medicine
| | - Satish K Madala
- Division of Pulmonary, Critical Care and Sleep Medicine, Department of Internal Medicine, University of Cincinnati College of Medicine
| | - Debora Sinner
- Neonatology and Pulmonary Biology Perinatal Institute. Cincinnati Children’s Hospital Medical Center and University of Cincinnati, College of Medicine
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12
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Lin I, Wei A, Awamleh Z, Singh M, Ning A, Herrera A, REACH Biobank and Registry, Russell BE, Weksberg R, Arboleda VA. Multiomics of Bohring-Opitz syndrome truncating ASXL1 mutations identify canonical and noncanonical Wnt signaling dysregulation. JCI Insight 2023; 8:e167744. [PMID: 37053013 PMCID: PMC10322691 DOI: 10.1172/jci.insight.167744] [Citation(s) in RCA: 5] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/15/2022] [Accepted: 04/07/2023] [Indexed: 04/14/2023] Open
Abstract
ASXL1 (additional sex combs-like 1) plays key roles in epigenetic regulation of early developmental gene expression. De novo protein-truncating mutations in ASXL1 cause Bohring-Opitz syndrome (BOS; OMIM #605039), a rare neurodevelopmental condition characterized by severe intellectual disabilities, distinctive facial features, hypertrichosis, increased risk of Wilms tumor, and variable congenital anomalies, including heart defects and severe skeletal defects giving rise to a typical BOS posture. These BOS-causing ASXL1 variants are also high-prevalence somatic driver mutations in acute myeloid leukemia. We used primary cells from individuals with BOS (n = 18) and controls (n = 49) to dissect gene regulatory changes caused by ASXL1 mutations using comprehensive multiomics assays for chromatin accessibility (ATAC-seq), DNA methylation, histone methylation binding, and transcriptome in peripheral blood and skin fibroblasts. Our data show that regardless of cell type, ASXL1 mutations drive strong cross-tissue effects that disrupt multiple layers of the epigenome. The data showed a broad activation of canonical Wnt signaling at the transcriptional and protein levels and upregulation of VANGL2, which encodes a planar cell polarity pathway protein that acts through noncanonical Wnt signaling to direct tissue patterning and cell migration. This multiomics approach identifies the core impact of ASXL1 mutations and therapeutic targets for BOS and myeloid leukemias.
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Affiliation(s)
- Isabella Lin
- Department of Human Genetics
- Department of Pathology and Laboratory Medicine, David Geffen School of Medicine, UCLA, Los Angeles, California, USA
- Department of Computational Medicine, UCLA, Los Angeles, California, USA
| | - Angela Wei
- Department of Human Genetics
- Department of Pathology and Laboratory Medicine, David Geffen School of Medicine, UCLA, Los Angeles, California, USA
- Department of Computational Medicine, UCLA, Los Angeles, California, USA
- Interdepartmental BioInformatics Program, UCLA, Los Angeles, California, USA
| | - Zain Awamleh
- Department of Genetics and Genome Biology Program, Research Institute, The Hospital for Sick Children, Toronto, Ontario, Canada
| | - Meghna Singh
- Department of Human Genetics
- Department of Pathology and Laboratory Medicine, David Geffen School of Medicine, UCLA, Los Angeles, California, USA
- Department of Computational Medicine, UCLA, Los Angeles, California, USA
| | - Aileen Ning
- Department of Human Genetics
- Department of Pathology and Laboratory Medicine, David Geffen School of Medicine, UCLA, Los Angeles, California, USA
- Department of Computational Medicine, UCLA, Los Angeles, California, USA
| | - Analeyla Herrera
- Department of Human Genetics
- Department of Pathology and Laboratory Medicine, David Geffen School of Medicine, UCLA, Los Angeles, California, USA
- Department of Computational Medicine, UCLA, Los Angeles, California, USA
| | | | - Bianca E. Russell
- Division of Genetics, Department of Pediatrics, UCLA, Los Angeles, California, USA
| | - Rosanna Weksberg
- Department of Genetics and Genome Biology Program, Research Institute, The Hospital for Sick Children, Toronto, Ontario, Canada
- Division of Clinical & Metabolic Genetics, The Hospital for Sick Children, Toronto, Ontario, Canada
- Institute of Medical Sciences and Department of Molecular Genetics, University of Toronto, Toronto, Ontario, Canada
| | - Valerie A. Arboleda
- Department of Human Genetics
- Department of Pathology and Laboratory Medicine, David Geffen School of Medicine, UCLA, Los Angeles, California, USA
- Department of Computational Medicine, UCLA, Los Angeles, California, USA
- Interdepartmental BioInformatics Program, UCLA, Los Angeles, California, USA
- Molecular Biology Institute, UCLA, Los Angeles, California, USA
- Jonsson Comprehensive Cancer Center, UCLA, Los Angeles, California, USA
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13
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Mishra-Gorur K, Barak T, Kaulen LD, Henegariu O, Jin SC, Aguilera SM, Yalbir E, Goles G, Nishimura S, Miyagishima D, Djenoune L, Altinok S, Rai DK, Viviano S, Prendergast A, Zerillo C, Ozcan K, Baran B, Sencar L, Goc N, Yarman Y, Ercan-Sencicek AG, Bilguvar K, Lifton RP, Moliterno J, Louvi A, Yuan S, Deniz E, Brueckner M, Gunel M. Pleiotropic role of TRAF7 in skull-base meningiomas and congenital heart disease. Proc Natl Acad Sci U S A 2023; 120:e2214997120. [PMID: 37043537 PMCID: PMC10120005 DOI: 10.1073/pnas.2214997120] [Citation(s) in RCA: 9] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/02/2022] [Accepted: 02/27/2023] [Indexed: 04/13/2023] Open
Abstract
While somatic variants of TRAF7 (Tumor necrosis factor receptor-associated factor 7) underlie anterior skull-base meningiomas, here we report the inherited mutations of TRAF7 that cause congenital heart defects. We show that TRAF7 mutants operate in a dominant manner, inhibiting protein function via heterodimerization with wild-type protein. Further, the shared genetics of the two disparate pathologies can be traced to the common origin of forebrain meninges and cardiac outflow tract from the TRAF7-expressing neural crest. Somatic and inherited mutations disrupt TRAF7-IFT57 interactions leading to cilia degradation. TRAF7-mutant meningioma primary cultures lack cilia, and TRAF7 knockdown causes cardiac, craniofacial, and ciliary defects in Xenopus and zebrafish, suggesting a mechanistic convergence for TRAF7-driven meningiomas and developmental heart defects.
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Affiliation(s)
- Ketu Mishra-Gorur
- Department of Neurosurgery, Yale School of Medicine, New Haven, CT06510
| | - Tanyeri Barak
- Department of Neurosurgery, Yale School of Medicine, New Haven, CT06510
| | - Leon D. Kaulen
- Department of Neurosurgery, Yale School of Medicine, New Haven, CT06510
| | | | - Sheng Chih Jin
- Department of Genetics, Yale School of Medicine, New Haven, CT06510
| | | | - Ezgi Yalbir
- Department of Neurosurgery, Yale School of Medicine, New Haven, CT06510
| | - Gizem Goles
- Department of Neurosurgery, Yale School of Medicine, New Haven, CT06510
| | - Sayoko Nishimura
- Department of Neurosurgery, Yale School of Medicine, New Haven, CT06510
| | | | - Lydia Djenoune
- Cardiology Division, Department of Medicine, Cardiovascular Research Center, Massachusetts General Hospital and Harvard Medical School, Boston, MA02129
| | - Selin Altinok
- Department of Neurosurgery, Yale School of Medicine, New Haven, CT06510
| | - Devendra K. Rai
- Department of Neurosurgery, Yale School of Medicine, New Haven, CT06510
| | - Stephen Viviano
- Department of Pediatrics, Yale School of Medicine, New Haven, CT06510
| | - Andrew Prendergast
- Department of Internal Medicine, Section of Cardiology, Yale Cardiovascular Research Center, Yale School of Medicine, New Haven, CT06510
| | - Cynthia Zerillo
- Department of Neurosurgery, Yale School of Medicine, New Haven, CT06510
| | - Kent Ozcan
- Department of Neurosurgery, Yale School of Medicine, New Haven, CT06510
| | - Burcin Baran
- Department of Neurosurgery, Yale School of Medicine, New Haven, CT06510
| | - Leman Sencar
- Department of Neurosurgery, Yale School of Medicine, New Haven, CT06510
| | - Nukte Goc
- Department of Neurosurgery, Yale School of Medicine, New Haven, CT06510
| | - Yanki Yarman
- Department of Neurosurgery, Yale School of Medicine, New Haven, CT06510
| | | | - Kaya Bilguvar
- Department of Genetics, Yale School of Medicine, New Haven, CT06510
| | - Richard P. Lifton
- Department of Genetics, Yale School of Medicine, New Haven, CT06510
- Laboratory of Human Genetics and Genomics, The Rockefeller University, New York, NY10065
| | - Jennifer Moliterno
- Department of Neurosurgery, Yale School of Medicine, New Haven, CT06510
- Yale Program in Brain Tumor Research, Yale School of Medicine, New Haven, CT06510
| | - Angeliki Louvi
- Department of Neurosurgery, Yale School of Medicine, New Haven, CT06510
- Department of Neuroscience, Yale School of Medicine, New Haven, CT06510
| | - Shiaulou Yuan
- Cardiology Division, Department of Medicine, Cardiovascular Research Center, Massachusetts General Hospital and Harvard Medical School, Boston, MA02129
| | - Engin Deniz
- Department of Pediatrics, Yale School of Medicine, New Haven, CT06510
| | - Martina Brueckner
- Department of Pediatrics, Yale School of Medicine, New Haven, CT06510
| | - Murat Gunel
- Department of Neurosurgery, Yale School of Medicine, New Haven, CT06510
- Department of Genetics, Yale School of Medicine, New Haven, CT06510
- Yale Program in Brain Tumor Research, Yale School of Medicine, New Haven, CT06510
- Department of Neuroscience, Yale School of Medicine, New Haven, CT06510
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14
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Ahmad MH, Ghosh B, Rizvi MA, Ali M, Kaur L, Mondal AC. Neural crest cells development and neuroblastoma progression: Role of Wnt signaling. J Cell Physiol 2023; 238:306-328. [PMID: 36502519 DOI: 10.1002/jcp.30931] [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: 05/12/2022] [Revised: 09/19/2022] [Accepted: 11/29/2022] [Indexed: 12/14/2022]
Abstract
Neuroblastoma (NB) is one of the most common heterogeneous extracranial cancers in infancy that arises from neural crest (NC) cells of the sympathetic nervous system. The Wnt signaling pathway, both canonical and noncanonical pathway, is a highly conserved signaling pathway that regulates the development and differentiation of the NC cells during embryogenesis. Reports suggest that aberrant activation of Wnt ligands/receptors in Wnt signaling pathways promote progression and relapse of NB. Wnt signaling pathways regulate NC induction and migration in a similar manner; it regulates proliferation and metastasis of NB. Inhibiting the Wnt signaling pathway or its ligands/receptors induces apoptosis and abrogates proliferation and tumorigenicity in all major types of NB cells. Here, we comprehensively discuss the Wnt signaling pathway and its mechanisms in regulating the development of NC and NB pathogenesis. This review highlights the implications of aberrant Wnt signaling in the context of etiology, progression, and relapse of NB. We have also described emerging strategies for Wnt-based therapies against the progression of NB that will provide new insights into the development of Wnt-based therapeutic strategies for NB.
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Affiliation(s)
- Mir Hilal Ahmad
- School of Life Sciences, Laboratory of Cellular and Molecular Neurobiology, School of Life Sciences, Jawaharlal Nehru University, New Delhi, India.,Genome Biology Lab, Department of Biosciences, Jamia Millia Islamia, New Delhi, India
| | - Balaram Ghosh
- Department of Clinical Pharmacology, Midnapore Medical College & Hospital, West Bengal, Medinipur, India
| | - Moshahid Alam Rizvi
- Genome Biology Lab, Department of Biosciences, Jamia Millia Islamia, New Delhi, India
| | - Mansoor Ali
- School of Life Sciences, Cancer Biology Laboratory, School of Life Sciences, Jawaharlal Nehru University, New Delhi, India
| | - Loveleena Kaur
- Division of Cancer Pharmacology, Indian Institute of Integrative Medicine (IIIM), Srinagar, India
| | - Amal Chandra Mondal
- School of Life Sciences, Laboratory of Cellular and Molecular Neurobiology, School of Life Sciences, Jawaharlal Nehru University, New Delhi, India
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15
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Caetano da Silva C, Ostertag A, Raman R, Muller M, Cohen-Solal M, Collet C. wnt11f2 Zebrafish, an Animal Model for Development and New Insights in Bone Formation. Zebrafish 2023; 20:1-9. [PMID: 36795617 PMCID: PMC9968865 DOI: 10.1089/zeb.2022.0042] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/17/2023] Open
Abstract
Wnt signaling is a key regulator of osteoblast differentiation and mineralization in humans and animals, mediated by the canonical Wnt/β-catenin and noncanonical signaling pathways. Both pathways are crucial in regulating osteoblastogenesis and bone formation. The zebrafish silberblick (slb) carries a mutation in wnt11f2, a gene that contributes to embryonic morphogenesis; however, its role in bone morphology is unknown. wnt11f2 was originally known as wnt11; it was recently reclassified to avoid confusion in comparative genetics and disease modeling. The goal of this review is to summarize the characterization of the wnt11f2 zebrafish mutant and to deliver some new insights concerning its role in skeletal development. In addition to the previously described defects in early development in this mutant as well as craniofacial dysmorphia, we show an increase in tissue mineral density in the heterozygous mutant that points to a possible role of wnt11f2 in high bone mass phenotypes.
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Affiliation(s)
- Caroline Caetano da Silva
- INSERM U1132 and Université Paris-Cité, Reference Centre for Rare Bone Diseases, Hospital Lariboisière, Paris, France
| | - Agnes Ostertag
- INSERM U1132 and Université Paris-Cité, Reference Centre for Rare Bone Diseases, Hospital Lariboisière, Paris, France
| | - Ratish Raman
- Laboratory for Organogenesis and Regeneration (LOR), GIGA-Research, Liège University, Liège, Belgium
| | - Marc Muller
- Laboratory for Organogenesis and Regeneration (LOR), GIGA-Research, Liège University, Liège, Belgium
| | - Martine Cohen-Solal
- INSERM U1132 and Université Paris-Cité, Reference Centre for Rare Bone Diseases, Hospital Lariboisière, Paris, France
| | - Corinne Collet
- INSERM U1132 and Université Paris-Cité, Reference Centre for Rare Bone Diseases, Hospital Lariboisière, Paris, France.,UF de Génétique Moléculaire, Hôpital Robert Debré, APHP, Paris, France
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16
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Sharma S, Behl T, Sehgal A, Singh S, Sharma N, Bhatia S, Al-Harassi A, Bungau S, Mostafavi E. Possible Role of Wnt Signaling Pathway in Diabetic Retinopathy. Curr Drug Targets 2022; 23:1372-1380. [PMID: 35232336 DOI: 10.2174/1389450123666220301110140] [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: 08/10/2021] [Revised: 12/08/2021] [Accepted: 12/30/2021] [Indexed: 01/25/2023]
Abstract
The core of impaired vision in working people suffering from insulin-dependent and noninsulin- dependent diabetes mellitus is diabetic retinopathy (DR). The Wnt Protein Ligands family influences various processes; this ensures the cells are able to interact and co-ordinate various mobile functions, including cell growth, division, survival, apoptosis, migration, and cell destiny. The extracellular Wnt signal activates other signals. It is seen that Wnt pathways play an important role in inflammation, oxidative stress, and angiogenesis. It has been illustrated that the canonically preserved Wnt signaling system has a vital role in the homeostasis of adulthood. Developmental disorders in each of these stages will lead to serious eye problems and eventually blindness. There is, therefore, a need to specifically organize and regulate the growth of ocular tissues. In tissue specification and polarities, axonal exhaust, and maintenance of cells, especially in the central nervous system, Wnt/frizzled pathways play an important role. Thus, Wnt route antagonists may act as have been possible therapeutic options in DR by inhibiting aberrant Wnt signals. Elaborative and continued research in this area will help in the advancement of current knowledge in the field of DR, and eventually, this can lead to the development of new therapeutic approaches.
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Affiliation(s)
- Sheetu Sharma
- Chitkara College of Pharmacy, Chitkara University, Punjab, India
| | - Tapan Behl
- School of Health Sciences and Technology, University of Petroleum and Energy Studies, Bidholi, Dehradun, India
| | - Aayush Sehgal
- GHG Khalsa College of Pharmacy, Gurusar Sadhar, Ludhiana, Punjab, India
| | - Sukhbir Singh
- Department of Pharmaceutics, MM College of Pharmacy, Maharishi Markandeshwar (Deemed to be University), Mullana-Ambala, Haryana, India
| | - Neelam Sharma
- Department of Pharmaceutics, MM College of Pharmacy, Maharishi Markandeshwar (Deemed to be University), Mullana-Ambala, Haryana, India
| | - Saurabh Bhatia
- Natural & Medical Sciences Research Centre, University of Nizwa, Nizwa, Oman
| | - Ahmed Al-Harassi
- Natural & Medical Sciences Research Centre, University of Nizwa, Nizwa, Oman
| | - Simona Bungau
- Department of Pharmacy, Faculty of Medicine and Pharmacy, University of Oradea, Oradea, Romania
| | - Ebrahim Mostafavi
- Stanford Cardiovascular Institute, Stanford University School of Medicine, Stanford, CA, United States.,Department of Medicine, Stanford University School of Medicine, Stanford, CA, United States
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17
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Heilig AK, Nakamura R, Shimada A, Hashimoto Y, Nakamura Y, Wittbrodt J, Takeda H, Kawanishi T. Wnt11 acts on dermomyotome cells to guide epaxial myotome morphogenesis. eLife 2022; 11:71845. [PMID: 35522214 PMCID: PMC9075960 DOI: 10.7554/elife.71845] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/01/2021] [Accepted: 04/19/2022] [Indexed: 12/30/2022] Open
Abstract
The dorsal axial muscles, or epaxial muscles, are a fundamental structure covering the spinal cord and vertebrae, as well as mobilizing the vertebrate trunk. To date, mechanisms underlying the morphogenetic process shaping the epaxial myotome are largely unknown. To address this, we used the medaka zic1/zic4-enhancer mutant Double anal fin (Da), which exhibits ventralized dorsal trunk structures resulting in impaired epaxial myotome morphology and incomplete coverage over the neural tube. In wild type, dorsal dermomyotome (DM) cells reduce their proliferative activity after somitogenesis. Subsequently, a subset of DM cells, which does not differentiate into the myotome population, begins to form unique large protrusions extending dorsally to guide the epaxial myotome dorsally. In Da, by contrast, DM cells maintain the high proliferative activity and mainly form small protrusions. By combining RNA- and ChIP-sequencing analyses, we revealed direct targets of Zic1, which are specifically expressed in dorsal somites and involved in various aspects of development, such as cell migration, extracellular matrix organization, and cell-cell communication. Among these, we identified wnt11 as a crucial factor regulating both cell proliferation and protrusive activity of DM cells. We propose that dorsal extension of the epaxial myotome is guided by a non-myogenic subpopulation of DM cells and that wnt11 empowers the DM cells to drive the coverage of the neural tube by the epaxial myotome.
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Affiliation(s)
- Ann Kathrin Heilig
- Department of Biological Sciences, Graduate School of Science, University of Tokyo, Tokyo, Japan.,Centre for Organismal Studies, Heidelberg University, Heidelberg, Germany.,Heidelberg Biosciences International Graduate School, Heidelberg, Germany
| | - Ryohei Nakamura
- Department of Biological Sciences, Graduate School of Science, University of Tokyo, Tokyo, Japan
| | - Atsuko Shimada
- Department of Biological Sciences, Graduate School of Science, University of Tokyo, Tokyo, Japan
| | - Yuka Hashimoto
- Department of Biological Sciences, Graduate School of Science, University of Tokyo, Tokyo, Japan
| | - Yuta Nakamura
- Department of Biological Sciences, Graduate School of Science, University of Tokyo, Tokyo, Japan
| | - Joachim Wittbrodt
- Centre for Organismal Studies, Heidelberg University, Heidelberg, Germany
| | - Hiroyuki Takeda
- Department of Biological Sciences, Graduate School of Science, University of Tokyo, Tokyo, Japan
| | - Toru Kawanishi
- Department of Biological Sciences, Graduate School of Science, University of Tokyo, Tokyo, Japan
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18
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Ng WH, Johnston EK, Tan JJ, Bliley JM, Feinberg AW, Stolz DB, Sun M, Wijesekara P, Hawkins F, Kotton DN, Ren X. Recapitulating human cardio-pulmonary co-development using simultaneous multilineage differentiation of pluripotent stem cells. eLife 2022; 11:67872. [PMID: 35018887 PMCID: PMC8846595 DOI: 10.7554/elife.67872] [Citation(s) in RCA: 31] [Impact Index Per Article: 10.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/25/2021] [Accepted: 01/07/2022] [Indexed: 11/13/2022] Open
Abstract
The extensive crosstalk between the developing heart and lung is critical to their proper morphogenesis and maturation. However, there remains a lack of models that investigate the critical cardio-pulmonary mutual interaction during human embryogenesis. Here, we reported a novel stepwise strategy for directing the simultaneous induction of both mesoderm-derived cardiac and endoderm-derived lung epithelial lineages within a single differentiation of human-induced pluripotent stem cells (hiPSCs) via temporal specific tuning of WNT and nodal signaling in the absence of exogenous growth factors. Using 3D suspension culture, we established concentric cardio-pulmonary micro-Tissues (μTs), and expedited alveolar maturation in the presence of cardiac accompaniment. Upon withdrawal of WNT agonist, the cardiac and pulmonary components within each dual-lineage μT effectively segregated from each other with concurrent initiation of cardiac contraction. We expect that our multilineage differentiation model will offer an experimentally tractable system for investigating human cardio-pulmonary interaction and tissue boundary formation during embryogenesis. Organs begin developing during the first few months of pregnancy, while the baby is still an embryo. These early stages of development are known as embryogenesis – a tightly organized process, during which the embryo forms different layers of stem cells. These cells can be activated to turn into a particular type of cell, such as a heart or a lung cell. The heart and lungs develop from different layers within the embryo, which must communicate with each other for the organs to form correctly. For example, chemical signals can be released from and travel between layers of the embryo, activating processes inside cells located in the different areas. In mouse models, chemical signals and cells travel between developing heart and lung, which helps both organs to form into the correct structure. But it is unclear how well the observations from mouse models translate to heart and lung development in humans. To find out more, Ng et al. developed a human model of heart and lung co-development during embryogenesis using human pluripotent stem cells. The laboratory-grown stem cells were treated with chemical signals, causing them to form different layers that developed into early forms of heart and lung cells. The cells were then transferred into a specific growing condition, where they arranged into three-dimensional structures termed microtissues. Ng et al. found that lung cells developed faster when grown in microtissues with accompanying developing heart cells compared to microtissues containing only developing lung cells. In addition, Ng et al. revealed that the co-developing heart and lung tissues automatically separate from each other during later stage, without the need for chemical signals. This human cell-based model of early forms of co-developing heart and lung cells may help provide researchers with new strategies to probe the underlying mechanisms of human heart and lung interaction during embryogenesis.
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Affiliation(s)
- Wai Hoe Ng
- Department of Biomedical Engineering, Carnegie Mellon University, Pittsburgh, United States
| | - Elizabeth K Johnston
- Department of Biomedical Engineering, Carnegie Mellon University, Pittsburgh, United States
| | - Jun Jie Tan
- Advanced Medical and Dental Institute, Universiti Sains Malaysia, Penang, Malaysia
| | - Jacqueline M Bliley
- Department of Biomedical Engineering, Carnegie Mellon University, Pittsburgh, United States
| | - Adam W Feinberg
- Department of Biomedical Engineering, Carnegie Mellon University, Pittsburgh, United States
| | - Donna B Stolz
- Center for Biologic Imaging, University of Pittsburgh, Pittsburgh, United States
| | - Ming Sun
- Center for Biologic Imaging, University of Pittsburgh, Pittsburgh, United States
| | - Piyumi Wijesekara
- Department of Biomedical Engineering, Carnegie Mellon University, Pittsburgh, United States
| | - Finn Hawkins
- Center for Regenerative Medicine, Boston University, Boston, United States
| | - Darrell N Kotton
- Center for Regenerative Medicine, Boston University, Boston, MA, United States
| | - Xi Ren
- Department of Biomedical Engineering, Carnegie Mellon University, Pittsburgh, United States
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19
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Yao T, Xu Z, Hao Z, Yu Y, Liang B, Wang S. KDM5B promotes cell migration by regulating the noncanonical Wnt/PCP pathway in Hirschsprung's disease. Pediatr Surg Int 2022; 38:99-107. [PMID: 34455465 DOI: 10.1007/s00383-021-05005-x] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Accepted: 08/23/2021] [Indexed: 10/20/2022]
Abstract
PURPOSE We measured the expression of the histone demethylase lysine-specific demethylase 5B (KDM5B) in the bowels of patients with Hirschsprung's disease (HSCR) and investigated the molecular mechanism by which KDM5B promotes the migration of neuronal PC12 cells. METHODS KDM5B expression was detected in the ganglionic and aganglionic colon of patients with HSCR (n = 10) and controls (n = 10). The expression and localization of KDM5B were assessed using immunohistochemical and immunofluorescence staining. Real-time PCR and Western blotting were performed to quantify KDM5B expression. The migration was determined using Transwell and wound-healing assays. G-LISA, GTPase pulldown and luciferase-based reporter gene assays were performed to evaluate the key components of Wnt/planar cell polarity (PCP) signaling in vitro. RESULTS Our current study showed that KDM5B colocalized with neurons. KDM5B expression was reduced in HSCR specimens, while the aganglionic segments showed the greatest reduction. KDM5B knockdown inhibited the migration of PC12 cells. Moreover, inhibition of KDM5B decreased the expression of key genes in the Wnt/PCP pathway, and its inhibitory effect on PC12 cell migration was reversed by Wnt5a treatment. CONCLUSIONS KDM5B promotes neuronal migration via the Wnt/PCP pathway. A potential role for KDM5B in altered enteric nervous system development in HSCR warrants further investigation.
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Affiliation(s)
- Ting Yao
- Department of Pediatric Surgery, The First Affiliated Hospital of Harbin Medical University, Harbin, 150001, People's Republic of China
| | - Zhilin Xu
- Department of Pediatric Surgery, The First Affiliated Hospital of Harbin Medical University, Harbin, 150001, People's Republic of China
| | - Zenghui Hao
- Department of Pediatric Surgery, The First Affiliated Hospital of Harbin Medical University, Harbin, 150001, People's Republic of China
| | - You Yu
- Department of Pediatric Surgery, The First Affiliated Hospital of Harbin Medical University, Harbin, 150001, People's Republic of China
| | - Bingxue Liang
- Department of Pediatric Surgery, The First Affiliated Hospital of Harbin Medical University, Harbin, 150001, People's Republic of China
| | - Shuyu Wang
- Department of Neurology, The First Affiliated Hospital of Harbin Medical University, Harbin, 150001, People's Republic of China.
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20
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Čada Š, Bryja V. Local Wnt signalling in the asymmetric migrating vertebrate cells. Semin Cell Dev Biol 2021; 125:26-36. [PMID: 34896020 DOI: 10.1016/j.semcdb.2021.11.020] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/25/2021] [Revised: 11/18/2021] [Accepted: 11/19/2021] [Indexed: 11/27/2022]
Abstract
Wnt signalling is known to generate cellular asymmetry via Wnt/planar cell polarity pathway (Wnt/PCP). Wnt/PCP acts locally (i) to orient membrane polarity and asymmetric establishment of intercellular junctions via conserved set of PCP proteins most specifically represented by Vangl and Prickle, and (ii) to asymmetrically rearrange cytoskeletal structures via downstream effectors of Dishevelled (Dvl). This process is best described on stable phenotypes of epithelial cells. Here, however, we review the activity of Wnt signalling in migratory cells which experience the extensive rearrangements of cytoskeleton and consequently dynamic asymmetry, making the localised effects of Wnt signalling easier to distinguish. Firstly, we focused on migration of neuronal axons, which allows to study how the pre-existent cellular asymmetry can influence Wnt signalling outcome. Then, we reviewed the role of Wnt signalling in models of mesenchymal migration including neural crest, melanoma, and breast cancer cells. Last, we collected evidence for local Wnt signalling in amoeboid cells, especially lymphocytes. As the outcome of this review, we identify blank spots in our current understanding of this topic, propose models that synthesise the current observations and allow formulation of testable hypotheses for the future research.
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Affiliation(s)
- Štěpán Čada
- Department of Experimental Biology, Faculty of Science, Masaryk University, Kamenice 5, 62500 Brno, Czech Republic
| | - Vítězslav Bryja
- Department of Experimental Biology, Faculty of Science, Masaryk University, Kamenice 5, 62500 Brno, Czech Republic; Department of Cytokinetics, Institute of Biophysics CAS, Královopolská 135, 61265 Brno, Czech Republic.
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21
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Non-canonical Wnt signaling promotes directed migration of intestinal stem cells to sites of injury. Nat Commun 2021; 12:7150. [PMID: 34887411 PMCID: PMC8660829 DOI: 10.1038/s41467-021-27384-4] [Citation(s) in RCA: 31] [Impact Index Per Article: 7.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/12/2021] [Accepted: 11/15/2021] [Indexed: 12/16/2022] Open
Abstract
Tissue regeneration after injury requires coordinated regulation of stem cell activation, division, and daughter cell differentiation, processes that are increasingly well understood in many regenerating tissues. How accurate stem cell positioning and localized integration of new cells into the damaged epithelium are achieved, however, remains unclear. Here, we show that enteroendocrine cells coordinate stem cell migration towards a wound in the Drosophila intestinal epithelium. In response to injury, enteroendocrine cells release the N-terminal domain of the PTK7 orthologue, Otk, which activates non-canonical Wnt signaling in intestinal stem cells, promoting actin-based protrusion formation and stem cell migration towards a wound. We find that this migratory behavior is closely linked to proliferation, and that it is required for efficient tissue repair during injury. Our findings highlight the role of non-canonical Wnt signaling in regeneration of the intestinal epithelium, and identify enteroendocrine cell-released ligands as critical coordinators of intestinal stem cell migration.
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22
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Nagy N, Kovacs T, Stavely R, Halasy V, Soos A, Szocs E, Hotta R, Graham H, Goldstein AM. Avian ceca are indispensable for hindgut enteric nervous system development. Development 2021; 148:dev199825. [PMID: 34792104 PMCID: PMC8645208 DOI: 10.1242/dev.199825] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/25/2021] [Accepted: 10/22/2021] [Indexed: 11/20/2022]
Abstract
The enteric nervous system (ENS), which is derived from enteric neural crest cells (ENCCs), represents the neuronal innervation of the intestine. Compromised ENCC migration can lead to Hirschsprung disease, which is characterized by an aganglionic distal bowel. During the craniocaudal migration of ENCCs along the gut, we find that their proliferation is greatest as the ENCC wavefront passes through the ceca, a pair of pouches at the midgut-hindgut junction in avian intestine. Removal of the ceca leads to hindgut aganglionosis, suggesting that they are required for ENS development. Comparative transcriptome profiling of the cecal buds compared with the interceca region shows that the non-canonical Wnt signaling pathway is preferentially expressed within the ceca. Specifically, WNT11 is highly expressed, as confirmed by RNA in situ hybridization, leading us to hypothesize that cecal expression of WNT11 is important for ENCC colonization of the hindgut. Organ cultures using embryonic day 6 avian intestine show that WNT11 inhibits enteric neuronal differentiation. These results reveal an essential role for the ceca during hindgut ENS formation and highlight an important function for non-canonical Wnt signaling in regulating ENCC differentiation.
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Affiliation(s)
- Nandor Nagy
- Department of Anatomy, Histology and Embryology, Faculty of Medicine, Semmelweis University, Budapest, 1094, Hungary
| | - Tamas Kovacs
- Department of Anatomy, Histology and Embryology, Faculty of Medicine, Semmelweis University, Budapest, 1094, Hungary
| | - Rhian Stavely
- Department of Pediatric Surgery, Pediatric Surgery Research Laboratories, Massachusetts General Hospital, Harvard Medical School, Boston, MA 02114,USA
| | - Viktoria Halasy
- Department of Anatomy, Histology and Embryology, Faculty of Medicine, Semmelweis University, Budapest, 1094, Hungary
| | - Adam Soos
- Department of Anatomy, Histology and Embryology, Faculty of Medicine, Semmelweis University, Budapest, 1094, Hungary
| | - Emoke Szocs
- Department of Anatomy, Histology and Embryology, Faculty of Medicine, Semmelweis University, Budapest, 1094, Hungary
| | - Ryo Hotta
- Department of Pediatric Surgery, Pediatric Surgery Research Laboratories, Massachusetts General Hospital, Harvard Medical School, Boston, MA 02114,USA
| | - Hannah Graham
- Department of Pediatric Surgery, Pediatric Surgery Research Laboratories, Massachusetts General Hospital, Harvard Medical School, Boston, MA 02114,USA
| | - Allan M. Goldstein
- Department of Pediatric Surgery, Pediatric Surgery Research Laboratories, Massachusetts General Hospital, Harvard Medical School, Boston, MA 02114,USA
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23
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Frizzled 7 Activates β-Catenin-Dependent and β-Catenin-Independent Wnt Signalling Pathways During Developmental Morphogenesis: Implications for Therapeutic Targeting in Colorectal Cancer. Handb Exp Pharmacol 2021. [PMID: 34455486 DOI: 10.1007/164_2021_524] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/15/2024]
Abstract
Frizzled7 activates β-catenin-dependent and β-catenin-independent Wnt signalling pathways, is highly conserved through evolution from the ancient phylum hydra to man, plays essential roles in stem cells, tissue homeostasis and regeneration in the adult, and is upregulated in diverse cancers. Much of what is known about the core components of the Wnt signalling pathways was derived from studying the function of Frizzled7 orthologues in the development of lower organism. As we interrogate Frizzled7 signalling and function for therapeutic targeting in cancer, it is timely to revisit lower organisms to gain insight into the context dependent and dynamic nature of Wnt signalling for effective drug design.
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24
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van Vliet AC, Lee J, van der Poel M, Mason MRJ, Noordermeer JN, Fradkin LG, Tannemaat MR, Malessy MJA, Verhaagen J, De Winter F. Coordinated changes in the expression of Wnt pathway genes following human and rat peripheral nerve injury. PLoS One 2021; 16:e0249748. [PMID: 33848304 PMCID: PMC8043392 DOI: 10.1371/journal.pone.0249748] [Citation(s) in RCA: 9] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/12/2019] [Accepted: 03/25/2021] [Indexed: 12/12/2022] Open
Abstract
A human neuroma-in continuity (NIC), formed following a peripheral nerve lesion, impedes functional recovery. The molecular mechanisms that underlie the formation of a NIC are poorly understood. Here we show that the expression of multiple genes of the Wnt family, including Wnt5a, is changed in NIC tissue from patients that underwent reconstructive surgery. The role of Wnt ligands in NIC pathology and nerve regeneration is of interest because Wnt ligands are implicated in tissue regeneration, fibrosis, axon repulsion and guidance. The observations in NIC prompted us to investigate the expression of Wnt ligands in the injured rat sciatic nerve and in the dorsal root ganglia (DRG). In the injured nerve, four gene clusters were identified with temporal expression profiles corresponding to particular phases of the regeneration process. In the DRG up- and down regulation of certain Wnt receptors suggests that nerve injury has an impact on the responsiveness of injured sensory neurons to Wnt ligands in the nerve. Immunohistochemistry showed that Schwann cells in the NIC and in the injured nerve are the source of Wnt5a, whereas the Wnt5a receptor Ryk is expressed by axons traversing the NIC. Taken together, these observations suggest a central role for Wnt signalling in peripheral nerve regeneration.
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Affiliation(s)
- Arie C. van Vliet
- Laboratory for Neuroregeneration, Netherlands Institute for Neuroscience, An Institute of the Royal Academy of Arts and Sciences, Amsterdam, The Netherlands
- Department of Neurosurgery, Leiden University Medical Center, Leiden, The Netherlands
| | - Jinhui Lee
- Laboratory for Neuroregeneration, Netherlands Institute for Neuroscience, An Institute of the Royal Academy of Arts and Sciences, Amsterdam, The Netherlands
| | - Marlijn van der Poel
- Laboratory for Neuroregeneration, Netherlands Institute for Neuroscience, An Institute of the Royal Academy of Arts and Sciences, Amsterdam, The Netherlands
| | - Matthew R. J. Mason
- Laboratory for Neuroregeneration, Netherlands Institute for Neuroscience, An Institute of the Royal Academy of Arts and Sciences, Amsterdam, The Netherlands
| | | | - Lee G. Fradkin
- Department of Neurobiology, University of Massachusetts Medical School, Worcester, MA, United States of America
| | - Martijn R. Tannemaat
- Laboratory for Neuroregeneration, Netherlands Institute for Neuroscience, An Institute of the Royal Academy of Arts and Sciences, Amsterdam, The Netherlands
- Department of Neurology, Leiden University Medical Center, Leiden, The Netherlands
| | - Martijn J. A. Malessy
- Laboratory for Neuroregeneration, Netherlands Institute for Neuroscience, An Institute of the Royal Academy of Arts and Sciences, Amsterdam, The Netherlands
- Department of Neurosurgery, Leiden University Medical Center, Leiden, The Netherlands
| | - Joost Verhaagen
- Laboratory for Neuroregeneration, Netherlands Institute for Neuroscience, An Institute of the Royal Academy of Arts and Sciences, Amsterdam, The Netherlands
- Center for Neurogenomics and Cognitive Research, Neuroscience Campus Amsterdam, Vrije Universiteit Amsterdam, Amsterdam, The Netherlands
| | - Fred De Winter
- Laboratory for Neuroregeneration, Netherlands Institute for Neuroscience, An Institute of the Royal Academy of Arts and Sciences, Amsterdam, The Netherlands
- Department of Neurosurgery, Leiden University Medical Center, Leiden, The Netherlands
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25
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Extrinsic Regulators of mRNA Translation in Developing Brain: Story of WNTs. Cells 2021; 10:cells10020253. [PMID: 33525513 PMCID: PMC7911671 DOI: 10.3390/cells10020253] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/07/2020] [Revised: 01/16/2021] [Accepted: 01/21/2021] [Indexed: 12/30/2022] Open
Abstract
Extrinsic molecules such as morphogens can regulate timed mRNA translation events in developing neurons. In particular, Wingless-type MMTV integration site family, member 3 (Wnt3), was shown to regulate the translation of Foxp2 mRNA encoding a Forkhead transcription factor P2 in the neocortex. However, the Wnt receptor that possibly mediates these translation events remains unknown. Here, we report Frizzled member 7 (Fzd7) as the Wnt3 receptor that lays downstream in Wnt3-regulated mRNA translation. Fzd7 proteins co-localize with Wnt3 ligands in developing neocortices. In addition, the Fzd7 proteins overlap in layer-specific neuronal subpopulations expressing different transcription factors, Foxp1 and Foxp2. When Fzd7 was silenced, we found decreased Foxp2 protein expression and increased Foxp1 protein expression, respectively. The Fzd7 silencing also disrupted the migration of neocortical glutamatergic neurons. In contrast, Fzd7 overexpression reversed the pattern of migratory defects and Foxp protein expression that we found in the Fzd7 silencing. We further discovered that Fzd7 is required for Wnt3-induced Foxp2 mRNA translation. Surprisingly, we also determined that the Fzd7 suppression of Foxp1 protein expression is not Wnt3 dependent. In conclusion, it is exhibited that the interaction between Wnt3 and Fzd7 regulates neuronal identity and the Fzd7 receptor functions as a downstream factor in ligand Wnt3 signaling for mRNA translation. In particular, the Wnt3-Fzd7 signaling axis determines the deep layer Foxp2-expressing neurons of developing neocortices. Our findings also suggest that Fzd7 controls the balance of the expression for Foxp transcription factors in developing neocortical neurons. These discoveries are presented in our manuscript within a larger framework of this review on the role of extrinsic factors in regulating mRNA translation.
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26
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Rodriguez-Hernandez I, Maiques O, Kohlhammer L, Cantelli G, Perdrix-Rosell A, Monger J, Fanshawe B, Bridgeman VL, Karagiannis SN, Penin RM, Marcolval J, Marti RM, Matias-Guiu X, Fruhwirth GO, Orgaz JL, Malanchi I, Sanz-Moreno V. WNT11-FZD7-DAAM1 signalling supports tumour initiating abilities and melanoma amoeboid invasion. Nat Commun 2020; 11:5315. [PMID: 33082334 PMCID: PMC7575593 DOI: 10.1038/s41467-020-18951-2] [Citation(s) in RCA: 64] [Impact Index Per Article: 12.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/17/2019] [Accepted: 09/14/2020] [Indexed: 12/19/2022] Open
Abstract
Melanoma is a highly aggressive tumour that can metastasize very early in disease progression. Notably, melanoma can disseminate using amoeboid invasive strategies. We show here that high Myosin II activity, high levels of ki-67 and high tumour-initiating abilities are characteristic of invasive amoeboid melanoma cells. Mechanistically, we find that WNT11-FZD7-DAAM1 activates Rho-ROCK1/2-Myosin II and plays a crucial role in regulating tumour-initiating potential, local invasion and distant metastasis formation. Importantly, amoeboid melanoma cells express both proliferative and invasive gene signatures. As such, invasive fronts of human and mouse melanomas are enriched in amoeboid cells that are also ki-67 positive. This pattern is further enhanced in metastatic lesions. We propose eradication of amoeboid melanoma cells after surgical removal as a therapeutic strategy.
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Affiliation(s)
- Irene Rodriguez-Hernandez
- Barts Cancer Institute, Queen Mary University of London, John Vane Science Building, Charterhouse Square, London, EC1M 6BQ, UK
- Randall Division of Cell and Molecular Biophysics, New Hunt's House, Guy's Campus, King's College London, London, SE1 1UL, UK
| | - Oscar Maiques
- Barts Cancer Institute, Queen Mary University of London, John Vane Science Building, Charterhouse Square, London, EC1M 6BQ, UK
- Randall Division of Cell and Molecular Biophysics, New Hunt's House, Guy's Campus, King's College London, London, SE1 1UL, UK
| | - Leonie Kohlhammer
- Barts Cancer Institute, Queen Mary University of London, John Vane Science Building, Charterhouse Square, London, EC1M 6BQ, UK
- Randall Division of Cell and Molecular Biophysics, New Hunt's House, Guy's Campus, King's College London, London, SE1 1UL, UK
| | - Gaia Cantelli
- Randall Division of Cell and Molecular Biophysics, New Hunt's House, Guy's Campus, King's College London, London, SE1 1UL, UK
- Department of Medicine, Division of Hematologic Malignancies and Cellular Therapy, Duke University, Durham, NC, USA
| | - Anna Perdrix-Rosell
- Barts Cancer Institute, Queen Mary University of London, John Vane Science Building, Charterhouse Square, London, EC1M 6BQ, UK
- Randall Division of Cell and Molecular Biophysics, New Hunt's House, Guy's Campus, King's College London, London, SE1 1UL, UK
- Tumour Host Interaction Laboratory, The Francis Crick Institute, 1 Midland Rd, London, NW1 1AT, UK
| | - Joanne Monger
- Barts Cancer Institute, Queen Mary University of London, John Vane Science Building, Charterhouse Square, London, EC1M 6BQ, UK
| | - Bruce Fanshawe
- Randall Division of Cell and Molecular Biophysics, New Hunt's House, Guy's Campus, King's College London, London, SE1 1UL, UK
- Department of Imaging Chemistry and Biology, School of Biomedical Engineering and Imaging Sciences, Kings' College London, London, SE1 7EH, UK
| | - Victoria L Bridgeman
- Tumour Host Interaction Laboratory, The Francis Crick Institute, 1 Midland Rd, London, NW1 1AT, UK
| | - Sophia N Karagiannis
- St John's Institute of Dermatology, School of Basic & Medical Biosciences, King's College London and NIHR Biomedical Research Centre at Guy's and St Thomas' Hospitals and King's College London, London, SE1 9RT, UK
| | - Rosa M Penin
- Department of Pathology, Hospital Universitari de Bellvitge, IDIBELL, l'Hospitalet de Llobregat, 08908, Barcelona, Spain
| | - Joaquim Marcolval
- Department of Dermatology, Hospital Universitari de Bellvitge, IDIBELL, l'Hospitalet de Llobregat, 08908, Barcelona, Spain
| | - Rosa M Marti
- Department of Dermatology, Hospital Universitari Arnau de Vilanova, University of Lleida, IRB LleidaI, CIBERONC, 25198, Lleida, Spain
| | - Xavier Matias-Guiu
- Department of Pathology and Molecular Genetics, Hospital Universitari Arnau de Vilanova, University of Lleida, IRB Lleida, CIBERONC, 25198, Lleida, Spain
| | - Gilbert O Fruhwirth
- Department of Imaging Chemistry and Biology, School of Biomedical Engineering and Imaging Sciences, Kings' College London, London, SE1 7EH, UK
| | - Jose L Orgaz
- Barts Cancer Institute, Queen Mary University of London, John Vane Science Building, Charterhouse Square, London, EC1M 6BQ, UK
- Randall Division of Cell and Molecular Biophysics, New Hunt's House, Guy's Campus, King's College London, London, SE1 1UL, UK
- Instituto de Investigaciones Biomedicas 'Alberto Sols', CSIC-UAM, 28029, Madrid, Spain
| | - Ilaria Malanchi
- Tumour Host Interaction Laboratory, The Francis Crick Institute, 1 Midland Rd, London, NW1 1AT, UK
| | - Victoria Sanz-Moreno
- Barts Cancer Institute, Queen Mary University of London, John Vane Science Building, Charterhouse Square, London, EC1M 6BQ, UK.
- Randall Division of Cell and Molecular Biophysics, New Hunt's House, Guy's Campus, King's College London, London, SE1 1UL, UK.
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27
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Abstract
Investigations of the cellular and molecular mechanisms that mediate the development of the autonomic nervous system have identified critical genes and signaling pathways that, when disrupted, cause disorders of the autonomic nervous system. This review summarizes our current understanding of how the autonomic nervous system emerges from the organized spatial and temporal patterning of precursor cell migration, proliferation, communication, and differentiation, and discusses potential clinical implications for developmental disorders of the autonomic nervous system, including familial dysautonomia, Hirschsprung disease, Rett syndrome, and congenital central hypoventilation syndrome.
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Affiliation(s)
- Frances Lefcort
- Department of Cell Biology and Neuroscience, Montana State University, Bozeman, Montana
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28
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Ko FC, Sumner DR. How faithfully does intramembranous bone regeneration recapitulate embryonic skeletal development? Dev Dyn 2020; 250:377-392. [PMID: 32813296 DOI: 10.1002/dvdy.240] [Citation(s) in RCA: 29] [Impact Index Per Article: 5.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/01/2020] [Revised: 07/19/2020] [Accepted: 08/13/2020] [Indexed: 02/06/2023] Open
Abstract
Postnatal intramembranous bone regeneration plays an important role during a wide variety of musculoskeletal regeneration processes such as fracture healing, joint replacement and dental implant surgery, distraction osteogenesis, stress fracture healing, and repair of skeletal defects caused by trauma or resection of tumors. The molecular basis of intramembranous bone regeneration has been interrogated using rodent models of most of these conditions. These studies reveal that signaling pathways such as Wnt, TGFβ/BMP, FGF, VEGF, and Notch are invoked, reminiscent of embryonic development of membranous bone. Discoveries of several skeletal stem cell/progenitor populations using mouse genetic models also reveal the potential sources of postnatal intramembranous bone regeneration. The purpose of this review is to compare the underlying molecular signals and progenitor cells that characterize embryonic development of membranous bone and postnatal intramembranous bone regeneration.
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Affiliation(s)
- Frank C Ko
- Department of Cell & Molecular Medicine, Rush University Medical Center, Chicago, Illinois, USA
| | - D Rick Sumner
- Department of Cell & Molecular Medicine, Rush University Medical Center, Chicago, Illinois, USA
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29
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Siismets EM, Hatch NE. Cranial Neural Crest Cells and Their Role in the Pathogenesis of Craniofacial Anomalies and Coronal Craniosynostosis. J Dev Biol 2020; 8:jdb8030018. [PMID: 32916911 PMCID: PMC7558351 DOI: 10.3390/jdb8030018] [Citation(s) in RCA: 25] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/31/2020] [Revised: 09/01/2020] [Accepted: 09/07/2020] [Indexed: 12/29/2022] Open
Abstract
Craniofacial anomalies are among the most common of birth defects. The pathogenesis of craniofacial anomalies frequently involves defects in the migration, proliferation, and fate of neural crest cells destined for the craniofacial skeleton. Genetic mutations causing deficient cranial neural crest migration and proliferation can result in Treacher Collins syndrome, Pierre Robin sequence, and cleft palate. Defects in post-migratory neural crest cells can result in pre- or post-ossification defects in the developing craniofacial skeleton and craniosynostosis (premature fusion of cranial bones/cranial sutures). The coronal suture is the most frequently fused suture in craniosynostosis syndromes. It exists as a biological boundary between the neural crest-derived frontal bone and paraxial mesoderm-derived parietal bone. The objective of this review is to frame our current understanding of neural crest cells in craniofacial development, craniofacial anomalies, and the pathogenesis of coronal craniosynostosis. We will also discuss novel approaches for advancing our knowledge and developing prevention and/or treatment strategies for craniofacial tissue regeneration and craniosynostosis.
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Affiliation(s)
- Erica M. Siismets
- Oral Health Sciences PhD Program, School of Dentistry, University of Michigan, Ann Arbor, MI 48109-1078, USA;
| | - Nan E. Hatch
- Department of Orthodontics and Pediatric Dentistry, School of Dentistry, University of Michigan, Ann Arbor, MI 48109-1078, USA
- Correspondence: ; Tel.: +1-734-647-6567
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30
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Donegan JJ, Lodge DJ. Stem Cells for Improving the Treatment of Neurodevelopmental Disorders. Stem Cells Dev 2020; 29:1118-1130. [PMID: 32008442 PMCID: PMC7469694 DOI: 10.1089/scd.2019.0265] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/08/2019] [Accepted: 01/16/2020] [Indexed: 12/11/2022] Open
Abstract
Treatment options for neurodevelopmental disorders such as schizophrenia and autism are currently limited. Antipsychotics used to treat schizophrenia are not effective for all patients, do not target all symptoms of the disease, and have serious adverse side effects. There are currently no FDA-approved drugs to treat the core symptoms of autism. In an effort to develop new and more effective treatment strategies, stem cell technologies have been used to reprogram adult somatic cells into induced pluripotent stem cells, which can be differentiated into neuronal cells and even three-dimensional brain organoids. This new technology has the potential to elucidate the complex mechanisms that underlie neurodevelopmental disorders, offer more relevant platforms for drug discovery and personalized medicine, and may even be used to treat the disease.
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Affiliation(s)
- Jennifer J. Donegan
- Department of Pharmacology, University of Texas Health Science Center at San Antonio, San Antonio, Texas, USA
- Center for Biomedical Neuroscience, University of Texas Health Science Center at San Antonio, San Antonio, Texas, USA
| | - Daniel J. Lodge
- Department of Pharmacology, University of Texas Health Science Center at San Antonio, San Antonio, Texas, USA
- Center for Biomedical Neuroscience, University of Texas Health Science Center at San Antonio, San Antonio, Texas, USA
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31
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Ji Y, Garland MA, Sun B, Zhang S, Reynolds K, McMahon M, Rajakumar R, Islam MS, Liu Y, Chen Y, Zhou CJ. Cellular and developmental basis of orofacial clefts. Birth Defects Res 2020; 112:1558-1587. [PMID: 32725806 DOI: 10.1002/bdr2.1768] [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: 03/13/2020] [Revised: 06/21/2020] [Accepted: 06/27/2020] [Indexed: 12/11/2022]
Abstract
During craniofacial development, defective growth and fusion of the upper lip and/or palate can cause orofacial clefts (OFCs), which are among the most common structural birth defects in humans. The developmental basis of OFCs includes morphogenesis of the upper lip, primary palate, secondary palate, and other orofacial structures, each consisting of diverse cell types originating from all three germ layers: the ectoderm, mesoderm, and endoderm. Cranial neural crest cells and orofacial epithelial cells are two major cell types that interact with various cell lineages and play key roles in orofacial development. The cellular basis of OFCs involves defective execution in any one or several of the following processes: neural crest induction, epithelial-mesenchymal transition, migration, proliferation, differentiation, apoptosis, primary cilia formation and its signaling transduction, epithelial seam formation and disappearance, periderm formation and peeling, convergence and extrusion of palatal epithelial seam cells, cell adhesion, cytoskeleton dynamics, and extracellular matrix function. The latest cellular and developmental findings may provide a basis for better understanding of the underlying genetic, epigenetic, environmental, and molecular mechanisms of OFCs.
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Affiliation(s)
- Yu Ji
- Department of Biochemistry and Molecular Medicine, University of California at Davis, School of Medicine, Sacramento, California, USA.,Institute for Pediatric Regenerative Medicine of Shriners Hospitals for Children, School of Medicine, University of California at Davis, Sacramento, California, USA.,Biochemistry, Molecular, Cellular, and Developmental Biology (BMCDB) graduate group, University of California, Davis, California, USA
| | - Michael A Garland
- Department of Biochemistry and Molecular Medicine, University of California at Davis, School of Medicine, Sacramento, California, USA.,Institute for Pediatric Regenerative Medicine of Shriners Hospitals for Children, School of Medicine, University of California at Davis, Sacramento, California, USA
| | - Bo Sun
- Department of Biochemistry and Molecular Medicine, University of California at Davis, School of Medicine, Sacramento, California, USA.,Institute for Pediatric Regenerative Medicine of Shriners Hospitals for Children, School of Medicine, University of California at Davis, Sacramento, California, USA
| | - Shuwen Zhang
- Department of Biochemistry and Molecular Medicine, University of California at Davis, School of Medicine, Sacramento, California, USA.,Institute for Pediatric Regenerative Medicine of Shriners Hospitals for Children, School of Medicine, University of California at Davis, Sacramento, California, USA
| | - Kurt Reynolds
- Department of Biochemistry and Molecular Medicine, University of California at Davis, School of Medicine, Sacramento, California, USA.,Institute for Pediatric Regenerative Medicine of Shriners Hospitals for Children, School of Medicine, University of California at Davis, Sacramento, California, USA.,Biochemistry, Molecular, Cellular, and Developmental Biology (BMCDB) graduate group, University of California, Davis, California, USA
| | - Moira McMahon
- Institute for Pediatric Regenerative Medicine of Shriners Hospitals for Children, School of Medicine, University of California at Davis, Sacramento, California, USA
| | - Ratheya Rajakumar
- Department of Biochemistry and Molecular Medicine, University of California at Davis, School of Medicine, Sacramento, California, USA.,Institute for Pediatric Regenerative Medicine of Shriners Hospitals for Children, School of Medicine, University of California at Davis, Sacramento, California, USA
| | - Mohammad S Islam
- Institute for Pediatric Regenerative Medicine of Shriners Hospitals for Children, School of Medicine, University of California at Davis, Sacramento, California, USA
| | - Yue Liu
- Institute for Pediatric Regenerative Medicine of Shriners Hospitals for Children, School of Medicine, University of California at Davis, Sacramento, California, USA
| | - YiPing Chen
- Department of Cell and Molecular Biology, Tulane University, New Orleans, Louisiana, USA
| | - Chengji J Zhou
- Department of Biochemistry and Molecular Medicine, University of California at Davis, School of Medicine, Sacramento, California, USA.,Institute for Pediatric Regenerative Medicine of Shriners Hospitals for Children, School of Medicine, University of California at Davis, Sacramento, California, USA.,Biochemistry, Molecular, Cellular, and Developmental Biology (BMCDB) graduate group, University of California, Davis, California, USA
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32
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Fitak RR, Mohandesan E, Corander J, Yadamsuren A, Chuluunbat B, Abdelhadi O, Raziq A, Nagy P, Walzer C, Faye B, Burger PA. Genomic signatures of domestication in Old World camels. Commun Biol 2020; 3:316. [PMID: 32561887 PMCID: PMC7305198 DOI: 10.1038/s42003-020-1039-5] [Citation(s) in RCA: 32] [Impact Index Per Article: 6.4] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/20/2019] [Accepted: 05/28/2020] [Indexed: 12/30/2022] Open
Abstract
Domestication begins with the selection of animals showing less fear of humans. In most domesticates, selection signals for tameness have been superimposed by intensive breeding for economical or other desirable traits. Old World camels, conversely, have maintained high genetic variation and lack secondary bottlenecks associated with breed development. By re-sequencing multiple genomes from dromedaries, Bactrian camels, and their endangered wild relatives, here we show that positive selection for candidate genes underlying traits collectively referred to as 'domestication syndrome' is consistent with neural crest deficiencies and altered thyroid hormone-based signaling. Comparing our results with other domestic species, we postulate that the core set of domestication genes is considerably smaller than the pan-domestication set - and overlapping genes are likely a result of chance and redundancy. These results, along with the extensive genomic resources provided, are an important contribution to understanding the evolutionary history of camels and the genomic features of their domestication.
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Affiliation(s)
- Robert Rodgers Fitak
- Institute of Population Genetics, Vetmeduni Vienna, Veterinärplatz 1, 1210, Vienna, Austria.
- Department of Biology, Genomics and Bioinformatics Cluster, University of Central Florida, Orlando, FL, 32816, USA.
| | - Elmira Mohandesan
- Institute of Population Genetics, Vetmeduni Vienna, Veterinärplatz 1, 1210, Vienna, Austria
- Department of Evolutionary Anthropology, University of Vienna, Althanstrasse 14, 1090, Vienna, Austria
| | - Jukka Corander
- Wellcome Sanger Institute, Hinxton, UK
- Helsinki Institute for Information Technology, Department of Mathematics and Statistics, University of Helsinki, FIN-00014, Helsinki, Finland
- Department of Biostatistics, University of Oslo, N-0317, Oslo, Norway
| | - Adiya Yadamsuren
- Institute of Remote Sensing and Digital Earth, Chinese Academy of Sciences, Jia No.20 North, DaTun road, ChaoYang District, Beijing, China
- Wild Camel Protection Foundation Mongolia. Jukov avenue, Bayanzurh District, Ulaanbaatar, 13343, Mongolia
| | - Battsetseg Chuluunbat
- Laboratory of Genetics, Institute of General and Experimental Biology, Mongolian Academy of Sciences, Peace avenue-54b, Bayarzurh District, Ulaanbaatar, 210351, Mongolia
| | - Omer Abdelhadi
- University of Khartoum, Department for Meat Sciences, Khartoum, Sudan
| | - Abdul Raziq
- Camelait, Alain Farms for Livestock Production, Alain Dubai Road, Alain, United Arab Emirates
| | - Peter Nagy
- Farm and Veterinary Department, Emirates Industry for Camel Milk and Products, PO Box 294236, Dubai, Umm Nahad, United Arab Emirates
| | - Chris Walzer
- Wildlife Conservation Society, Wildlife Health Program, Bronx, NY, USA
- Research Institute of Wildlife Ecology, Vetmeduni Vienna, Savoyenstraße 1, 1160, Vienna, Austria
| | - Bernard Faye
- CIRAD-ES, UMR 112, Campus International de Baillarguet, TA C/112A, 34398, Montpellier, France
| | - Pamela Anna Burger
- Institute of Population Genetics, Vetmeduni Vienna, Veterinärplatz 1, 1210, Vienna, Austria.
- Research Institute of Wildlife Ecology, Vetmeduni Vienna, Savoyenstraße 1, 1160, Vienna, Austria.
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33
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Durbin MD, O'Kane J, Lorentz S, Firulli AB, Ware SM. SHROOM3 is downstream of the planar cell polarity pathway and loss-of-function results in congenital heart defects. Dev Biol 2020; 464:124-136. [PMID: 32511952 DOI: 10.1016/j.ydbio.2020.05.013] [Citation(s) in RCA: 18] [Impact Index Per Article: 3.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/11/2019] [Revised: 05/24/2020] [Accepted: 05/25/2020] [Indexed: 01/07/2023]
Abstract
Congenital heart disease (CHD) is the most common birth defect, and the leading cause of death due to birth defects, yet causative molecular mechanisms remain mostly unknown. We previously implicated a novel CHD candidate gene, SHROOM3, in a patient with CHD. Using a Shroom3 gene trap knockout mouse (Shroom3gt/gt) we demonstrate that SHROOM3 is downstream of the noncanonical Wnt planar cell polarity signaling pathway (PCP) and loss-of-function causes cardiac defects. We demonstrate Shroom3 expression within cardiomyocytes of the ventricles and interventricular septum from E10.5 onward, as well as within cardiac neural crest cells and second heart field cells that populate the cardiac outflow tract. We demonstrate that Shroom3gt/gt mice exhibit variable penetrance of a spectrum of CHDs that include ventricular septal defects, double outlet right ventricle, and thin left ventricular myocardium. This CHD spectrum phenocopies what is observed with disrupted PCP. We show that during cardiac development SHROOM3 interacts physically and genetically with, and is downstream of, key PCP signaling component Dishevelled 2. Within Shroom3gt/gt hearts we demonstrate disrupted terminal PCP components, actomyosin cytoskeleton, cardiomyocyte polarity, organization, proliferation and morphology. Together, these data demonstrate SHROOM3 functions during cardiac development as an actomyosin cytoskeleton effector downstream of PCP signaling, revealing SHROOM3's novel role in cardiac development and CHD.
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Affiliation(s)
- Matthew D Durbin
- Department of Pediatrics, Division of Neonatal-Perinatal Medicine, Indiana University School of Medicine, Indianapolis, IN, USA
| | - James O'Kane
- Department of Pediatrics, Division of Neonatal-Perinatal Medicine, Indiana University School of Medicine, Indianapolis, IN, USA
| | - Samuel Lorentz
- Department of Pediatrics, Herman B Wells Center for Pediatric Research, Indiana University School of Medicine, Indianapolis, IN, USA
| | - Anthony B Firulli
- Department of Pediatrics, Herman B Wells Center for Pediatric Research, Indiana University School of Medicine, Indianapolis, IN, USA
| | - Stephanie M Ware
- Department of Pediatrics, Herman B Wells Center for Pediatric Research, Indiana University School of Medicine, Indianapolis, IN, USA; Department of Medical and Molecular Genetics, Indiana University School of Medicine, Indianapolis, IN, USA.
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34
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Kratzer MC, Becker SFS, Grund A, Merks A, Harnoš J, Bryja V, Giehl K, Kashef J, Borchers A. The Rho guanine nucleotide exchange factor Trio is required for neural crest cell migration and interacts with Dishevelled. Development 2020; 147:dev.186338. [PMID: 32366678 DOI: 10.1242/dev.186338] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/13/2019] [Accepted: 04/08/2020] [Indexed: 01/31/2023]
Abstract
Directional migration during embryogenesis and tumor progression faces the challenge that numerous external signals need to converge to precisely control cell movement. The Rho guanine exchange factor (GEF) Trio is especially well suited to relay signals, as it features distinct catalytic domains to activate Rho GTPases. Here, we show that Trio is required for Xenopus cranial neural crest (NC) cell migration and cartilage formation. Trio cell-autonomously controls protrusion formation of NC cells and Trio morphant NC cells show a blebbing phenotype. Interestingly, the Trio GEF2 domain is sufficient to rescue protrusion formation and migration of Trio morphant NC cells. We show that this domain interacts with the DEP/C-terminus of Dishevelled (DVL). DVL - but not a deletion construct lacking the DEP domain - is able to rescue protrusion formation and migration of Trio morphant NC cells. This is likely mediated by activation of Rac1, as we find that DVL rescues Rac1 activity in Trio morphant embryos. Thus, our data provide evidence for a novel signaling pathway, whereby Trio controls protrusion formation of cranial NC cells by interacting with DVL to activate Rac1.
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Affiliation(s)
- Marie-Claire Kratzer
- Philipps-Universität Marburg, Faculty of Biology, Molecular Embryology, 35043 Marburg, Germany.,DFG Research Training Group, Membrane Plasticity in Tissue Development and Remodeling, GRK 2213, Philipps-Universität Marburg, Marburg, Germany
| | - Sarah F S Becker
- Department of Development and Stem Cells, Institut de Génétique et de Biologie Moléculaire et Cellulaire, CNRS UMR 7104/INSERM U1258, Université de Strasbourg, F-67400 Illkirch, CU Strasbourg, France
| | - Anita Grund
- Philipps-Universität Marburg, Faculty of Biology, Molecular Embryology, 35043 Marburg, Germany
| | - Anne Merks
- Max Delbrück Center for Molecular Medicine in the Helmholtz Association, 13125 Berlin, Germany
| | - Jakub Harnoš
- Department of Experimental Biology, Faculty of Science, Masaryk University, Brno 62500, Czech Republic
| | - Vítězslav Bryja
- Department of Experimental Biology, Faculty of Science, Masaryk University, Brno 62500, Czech Republic.,Department of Cytokinetics, Institute of Biophysics of the Academy of Sciences of the Czech Republic v.v.i., Brno 61265, Czech Republic
| | - Klaudia Giehl
- Signal Transduction of Cellular Motility, Internal Medicine V, Justus Liebig University Giessen, D-35392 Giessen, Germany
| | - Jubin Kashef
- Institute for Photon Science and Synchrotron Radiation, Karlsruhe Institute of Technology (KIT), 76344 Eggenstein-Leopoldshafen, Germany
| | - Annette Borchers
- Philipps-Universität Marburg, Faculty of Biology, Molecular Embryology, 35043 Marburg, Germany .,DFG Research Training Group, Membrane Plasticity in Tissue Development and Remodeling, GRK 2213, Philipps-Universität Marburg, Marburg, Germany
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35
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Rocha M, Singh N, Ahsan K, Beiriger A, Prince VE. Neural crest development: insights from the zebrafish. Dev Dyn 2019; 249:88-111. [PMID: 31591788 DOI: 10.1002/dvdy.122] [Citation(s) in RCA: 52] [Impact Index Per Article: 8.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/03/2019] [Revised: 09/21/2019] [Accepted: 09/22/2019] [Indexed: 12/12/2022] Open
Abstract
Our understanding of the neural crest, a key vertebrate innovation, is built upon studies of multiple model organisms. Early research on neural crest cells (NCCs) was dominated by analyses of accessible amphibian and avian embryos, with mouse genetics providing complementary insights in more recent years. The zebrafish model is a relative newcomer to the field, yet it offers unparalleled advantages for the study of NCCs. Specifically, zebrafish provide powerful genetic and transgenic tools, coupled with rapidly developing transparent embryos that are ideal for high-resolution real-time imaging of the dynamic process of neural crest development. While the broad principles of neural crest development are largely conserved across vertebrate species, there are critical differences in anatomy, morphogenesis, and genetics that must be considered before information from one model is extrapolated to another. Here, our goal is to provide the reader with a helpful primer specific to neural crest development in the zebrafish model. We focus largely on the earliest events-specification, delamination, and migration-discussing what is known about zebrafish NCC development and how it differs from NCC development in non-teleost species, as well as highlighting current gaps in knowledge.
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Affiliation(s)
- Manuel Rocha
- Committee on Development, Regeneration and Stem Cell Biology, The University of Chicago, Chicago, Illinois
| | - Noor Singh
- Department of Organismal Biology and Anatomy, The University of Chicago, Chicago, Illinois
| | - Kamil Ahsan
- Committee on Development, Regeneration and Stem Cell Biology, The University of Chicago, Chicago, Illinois
| | - Anastasia Beiriger
- Committee on Development, Regeneration and Stem Cell Biology, The University of Chicago, Chicago, Illinois
| | - Victoria E Prince
- Committee on Development, Regeneration and Stem Cell Biology, The University of Chicago, Chicago, Illinois.,Department of Organismal Biology and Anatomy, The University of Chicago, Chicago, Illinois
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36
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Krueger D, Izquierdo E, Viswanathan R, Hartmann J, Pallares Cartes C, De Renzis S. Principles and applications of optogenetics in developmental biology. Development 2019; 146:146/20/dev175067. [PMID: 31641044 PMCID: PMC6914371 DOI: 10.1242/dev.175067] [Citation(s) in RCA: 76] [Impact Index Per Article: 12.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/01/2023]
Abstract
The development of multicellular organisms is controlled by highly dynamic molecular and cellular processes organized in spatially restricted patterns. Recent advances in optogenetics are allowing protein function to be controlled with the precision of a pulse of laser light in vivo, providing a powerful new tool to perturb developmental processes at a wide range of spatiotemporal scales. In this Primer, we describe the most commonly used optogenetic tools, their application in developmental biology and in the nascent field of synthetic morphogenesis.
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Affiliation(s)
- Daniel Krueger
- European Molecular Biology Laboratory (EMBL), Developmental Biology Unit Meyerhofstrasse 1, 69117 Heidelberg, Germany
| | - Emiliano Izquierdo
- European Molecular Biology Laboratory (EMBL), Developmental Biology Unit Meyerhofstrasse 1, 69117 Heidelberg, Germany
| | - Ranjith Viswanathan
- European Molecular Biology Laboratory (EMBL), Developmental Biology Unit Meyerhofstrasse 1, 69117 Heidelberg, Germany.,Heidelberg University, Faculty of Biosciences, Heidelberg, 69117, Germany
| | - Jonas Hartmann
- European Molecular Biology Laboratory (EMBL), Developmental Biology Unit Meyerhofstrasse 1, 69117 Heidelberg, Germany
| | - Cristina Pallares Cartes
- European Molecular Biology Laboratory (EMBL), Developmental Biology Unit Meyerhofstrasse 1, 69117 Heidelberg, Germany
| | - Stefano De Renzis
- European Molecular Biology Laboratory (EMBL), Developmental Biology Unit Meyerhofstrasse 1, 69117 Heidelberg, Germany
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37
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Williams RM, Candido-Ferreira I, Repapi E, Gavriouchkina D, Senanayake U, Ling ITC, Telenius J, Taylor S, Hughes J, Sauka-Spengler T. Reconstruction of the Global Neural Crest Gene Regulatory Network In Vivo. Dev Cell 2019; 51:255-276.e7. [PMID: 31639368 PMCID: PMC6838682 DOI: 10.1016/j.devcel.2019.10.003] [Citation(s) in RCA: 95] [Impact Index Per Article: 15.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/01/2019] [Revised: 05/31/2019] [Accepted: 10/01/2019] [Indexed: 02/07/2023]
Abstract
Precise control of developmental processes is encoded in the genome in the form of gene regulatory networks (GRNs). Such multi-factorial systems are difficult to decode in vertebrates owing to their complex gene hierarchies and dynamic molecular interactions. Here we present a genome-wide in vivo reconstruction of the GRN underlying development of the multipotent neural crest (NC) embryonic cell population. By coupling NC-specific epigenomic and transcriptional profiling at population and single-cell levels with genome/epigenome engineering in vivo, we identify multiple regulatory layers governing NC ontogeny, including NC-specific enhancers and super-enhancers, novel trans-factors, and cis-signatures allowing reverse engineering of the NC-GRN at unprecedented resolution. Furthermore, identification and dissection of divergent upstream combinatorial regulatory codes has afforded new insights into opposing gene circuits that define canonical and neural NC fates early during NC ontogeny. Our integrated approach, allowing dissection of cell-type-specific regulatory circuits in vivo, has broad implications for GRN discovery and investigation.
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Affiliation(s)
- Ruth M Williams
- University of Oxford, MRC Weatherall Institute of Molecular Medicine, Radcliffe Department of Medicine, Oxford OX3 9DS, UK
| | - Ivan Candido-Ferreira
- University of Oxford, MRC Weatherall Institute of Molecular Medicine, Radcliffe Department of Medicine, Oxford OX3 9DS, UK
| | - Emmanouela Repapi
- University of Oxford, MRC Centre for Computational Biology, MRC Weatherall Institute of Molecular Medicine, Oxford OX3 9DS, UK
| | - Daria Gavriouchkina
- University of Oxford, MRC Weatherall Institute of Molecular Medicine, Radcliffe Department of Medicine, Oxford OX3 9DS, UK
| | - Upeka Senanayake
- University of Oxford, MRC Weatherall Institute of Molecular Medicine, Radcliffe Department of Medicine, Oxford OX3 9DS, UK
| | - Irving T C Ling
- University of Oxford, MRC Weatherall Institute of Molecular Medicine, Radcliffe Department of Medicine, Oxford OX3 9DS, UK; University of Oxford, Department of Paediatric Surgery, Children's Hospital Oxford, Oxford, UK
| | - Jelena Telenius
- University of Oxford, MRC Centre for Computational Biology, MRC Weatherall Institute of Molecular Medicine, Oxford OX3 9DS, UK; University of Oxford, MRC Molecular Haematology Unit, MRC Weatherall Institute of Molecular Medicine, Radcliffe Department of Medicine, Oxford OX3 9DS, UK
| | - Stephen Taylor
- University of Oxford, MRC Centre for Computational Biology, MRC Weatherall Institute of Molecular Medicine, Oxford OX3 9DS, UK
| | - Jim Hughes
- University of Oxford, MRC Centre for Computational Biology, MRC Weatherall Institute of Molecular Medicine, Oxford OX3 9DS, UK; University of Oxford, MRC Molecular Haematology Unit, MRC Weatherall Institute of Molecular Medicine, Radcliffe Department of Medicine, Oxford OX3 9DS, UK
| | - Tatjana Sauka-Spengler
- University of Oxford, MRC Weatherall Institute of Molecular Medicine, Radcliffe Department of Medicine, Oxford OX3 9DS, UK.
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38
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Huilgol D, Venkataramani P, Nandi S, Bhattacharjee S. Transcription Factors That Govern Development and Disease: An Achilles Heel in Cancer. Genes (Basel) 2019; 10:E794. [PMID: 31614829 PMCID: PMC6826716 DOI: 10.3390/genes10100794] [Citation(s) in RCA: 38] [Impact Index Per Article: 6.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/15/2019] [Revised: 10/05/2019] [Accepted: 10/08/2019] [Indexed: 12/22/2022] Open
Abstract
Development requires the careful orchestration of several biological events in order to create any structure and, eventually, to build an entire organism. On the other hand, the fate transformation of terminally differentiated cells is a consequence of erroneous development, and ultimately leads to cancer. In this review, we elaborate how development and cancer share several biological processes, including molecular controls. Transcription factors (TF) are at the helm of both these processes, among many others, and are evolutionarily conserved, ranging from yeast to humans. Here, we discuss four families of TFs that play a pivotal role and have been studied extensively in both embryonic development and cancer-high mobility group box (HMG), GATA, paired box (PAX) and basic helix-loop-helix (bHLH) in the context of their role in development, cancer, and their conservation across several species. Finally, we review TFs as possible therapeutic targets for cancer and reflect on the importance of natural resistance against cancer in certain organisms, yielding knowledge regarding TF function and cancer biology.
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Affiliation(s)
- Dhananjay Huilgol
- Bungtown Road, Cold Spring Harbor Laboratory, Cold Spring Harbor, New York, NY 11724, USA.
| | | | - Saikat Nandi
- Bungtown Road, Cold Spring Harbor Laboratory, Cold Spring Harbor, New York, NY 11724, USA.
| | - Sonali Bhattacharjee
- Bungtown Road, Cold Spring Harbor Laboratory, Cold Spring Harbor, New York, NY 11724, USA.
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39
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Gonzalez Malagon SG, Dobson L, Muñoz AML, Dawson M, Barrell W, Marangos P, Krause M, Liu KJ. Dissection, Culture and Analysis of Primary Cranial Neural Crest Cells from Mouse for the Study of Neural Crest Cell Delamination and Migration. J Vis Exp 2019. [PMID: 31633677 PMCID: PMC7136076 DOI: 10.3791/60051] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/07/2023] Open
Abstract
Over the past several decades there has been an increased availability of genetically modified mouse models used to mimic human pathologies. However, the ability to study cell movements and differentiation in vivo is still very difficult. Neurocristopathies, or disorders of the neural crest lineage, are particularly challenging to study due to a lack of accessibility of key embryonic stages and the difficulties in separating out the neural crest mesenchyme from adjacent mesodermal mesenchyme. Here, we set out to establish a well-defined, routine protocol for the culture of primary cranial neural crest cells. In our approach we dissect out the mouse neural plate border during the initial neural crest induction stage. The neural plate border region is explanted and cultured. The neural crest cells form in an epithelial sheet surrounding the neural plate border, and by 24 h after explant, begin to delaminate, undergoing an epithelial-mesenchymal transition (EMT) to become fully motile neural crest cells. Due to our two-dimensional culturing approach, the distinct tissue populations (neural plate versus premigratory and migratory neural crest) can be readily distinguished. Using live imaging approaches, we can then identify changes in neural crest induction, EMT and migratory behaviors. The combination of this technique with genetic mutants will be a very powerful approach for understanding normal and pathological neural crest cell biology.
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Affiliation(s)
- Sandra Guadalupe Gonzalez Malagon
- Centre for Craniofacial and Regenerative Biology, King's College London; Institute of Molecular Biology and Biotechnology, FORTH, Department of Biomedical Research, University of Ioannina;
| | - Lisa Dobson
- Centre for Craniofacial and Regenerative Biology, King's College London; Randall Centre of Cell & Molecular Biophysics, King's College London
| | | | - Marcus Dawson
- Centre for Craniofacial and Regenerative Biology, King's College London
| | - William Barrell
- Centre for Craniofacial and Regenerative Biology, King's College London; Randall Centre of Cell & Molecular Biophysics, King's College London
| | - Petros Marangos
- Institute of Molecular Biology and Biotechnology, FORTH, Department of Biomedical Research, University of Ioannina; Department of Biological Applications and Technology, University of Ioannina
| | - Matthias Krause
- Randall Centre of Cell & Molecular Biophysics, King's College London
| | - Karen J Liu
- Centre for Craniofacial and Regenerative Biology, King's College London;
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40
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Wnt Signaling in Neural Crest Ontogenesis and Oncogenesis. Cells 2019; 8:cells8101173. [PMID: 31569501 PMCID: PMC6829301 DOI: 10.3390/cells8101173] [Citation(s) in RCA: 38] [Impact Index Per Article: 6.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/30/2019] [Revised: 09/23/2019] [Accepted: 09/25/2019] [Indexed: 02/06/2023] Open
Abstract
Neural crest (NC) cells are a temporary population of multipotent stem cells that generate a diverse array of cell types, including craniofacial bone and cartilage, smooth muscle cells, melanocytes, and peripheral neurons and glia during embryonic development. Defective neural crest development can cause severe and common structural birth defects, such as craniofacial anomalies and congenital heart disease. In the early vertebrate embryos, NC cells emerge from the dorsal edge of the neural tube during neurulation and then migrate extensively throughout the anterior-posterior body axis to generate numerous derivatives. Wnt signaling plays essential roles in embryonic development and cancer. This review summarizes current understanding of Wnt signaling in NC cell induction, delamination, migration, multipotency, and fate determination, as well as in NC-derived cancers.
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41
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Abstract
Developmental signaling pathways control a vast array of biological processes during embryogenesis and in adult life. The WNT pathway was discovered simultaneously in cancer and development. Recent advances have expanded the role of WNT to a wide range of pathologies in humans. Here, we discuss the WNT pathway and its role in human disease and some of the advances in WNT-related treatments.
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Flentke GR, Baulch J, Berres ME, Garic A, Smith SM. Alcohol-mediated calcium signals dysregulate pro-survival Snai2/PUMA/Bcl2 networks to promote p53-mediated apoptosis in avian neural crest progenitors. Birth Defects Res 2019; 111:686-699. [PMID: 31021056 PMCID: PMC7017393 DOI: 10.1002/bdr2.1508] [Citation(s) in RCA: 15] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/19/2018] [Revised: 02/27/2019] [Accepted: 03/28/2019] [Indexed: 12/12/2022]
Abstract
BACKGROUND Prenatal alcohol exposure causes distinctive craniofacial anomalies that arise, in part, from the apoptotic elimination of neural crest (NC) progenitors that form the face. This vulnerability of NC to alcohol is puzzling as they normally express the transcriptional repressor Snail1/2 (in chick Snai2), which suppresses apoptosis and promotes their migration. Here, we investigate alcohol's impact upon Snai2 function. METHODS Chick cranial NC cells were treated with acute alcohol (52 mM, 2 hr). We evaluated NC migration, gene expression, proliferation, and apoptosis thereafter. RESULTS Transient alcohol exposure induced Snai2 (191% ± 23%; p = .003) and stimulated NC migration (p = .0092). An alcohol-induced calcium transient mediated this Snai2 induction, and BAPTA-AM blocked whereas ionomycin mimicked these pro-migratory effects. Alcohol suppressed CyclinD1 protein content (59.1 ± 12%, p = .007) and NC proliferation (19.7 ± 5.8%, p < .001), but these Snai2-enriched cells still apoptosed in response to alcohol. This was explained because alcohol induced p53 (198 ± 29%, p = .023), and the p53 antagonist pifithrin-α prevented their apoptosis. Moreover, alcohol counteracted Snai2's pro-survival signals, and Bcl2 was repressed (68.5 ± 6.0% of controls, p = .016) and PUMA was not induced, while ATM (1.32-fold, p = .01) and PTEN (1.30-fold, p = .028) were elevated. CONCLUSIONS Alcohol's calcium transient uncouples the Snai2/p53 regulatory loop that normally prevents apoptosis during EMT. This represents a novel pathway in alcohol's neurotoxicity, and complements demonstrations that alcohol suppresses PUMA in mouse NC. We propose that the NCs migratory behavior, and their requirement for Snai2/p53 co-expression, makes them vulnerable to stressors that dysregulate Snai2/p53 interactions, such as alcohol.
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Affiliation(s)
- George R. Flentke
- Nutrition Research Institute, Dept. Nutrition, University of North Carolina at Chapel Hill, Kannapolis NC 28081
- Dept. Nutritional Sciences, University of Wisconsin-Madison, Madison WI 53706
| | - Joshua Baulch
- Nutrition Research Institute, Dept. Nutrition, University of North Carolina at Chapel Hill, Kannapolis NC 28081
| | - Mark E. Berres
- Dept. Nutritional Sciences, University of Wisconsin-Madison, Madison WI 53706
| | - Ana Garic
- Dept. Nutritional Sciences, University of Wisconsin-Madison, Madison WI 53706
| | - Susan M. Smith
- Nutrition Research Institute, Dept. Nutrition, University of North Carolina at Chapel Hill, Kannapolis NC 28081
- Dept. Nutritional Sciences, University of Wisconsin-Madison, Madison WI 53706
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VanderVorst K, Dreyer CA, Konopelski SE, Lee H, Ho HYH, Carraway KL. Wnt/PCP Signaling Contribution to Carcinoma Collective Cell Migration and Metastasis. Cancer Res 2019; 79:1719-1729. [PMID: 30952630 DOI: 10.1158/0008-5472.can-18-2757] [Citation(s) in RCA: 88] [Impact Index Per Article: 14.7] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/02/2018] [Revised: 01/04/2019] [Accepted: 01/31/2019] [Indexed: 12/30/2022]
Abstract
Our understanding of the cellular mechanisms governing carcinoma invasiveness and metastasis has evolved dramatically over the last several years. The previous emphasis on the epithelial-mesenchymal transition as a driver of the migratory properties of single cells has expanded with the observation that carcinoma cells often invade and migrate collectively as adherent groups. Moreover, recent analyses suggest that circulating tumor cells within the vasculature often exist as multicellular clusters and that clusters more efficiently seed metastatic lesions than single circulating tumor cells. While these observations point to a key role for collective cell migration in carcinoma metastasis, the molecular mechanisms driving collective tumor cell migration remain to be discerned. Wnt/PCP (planar cell polarity) signaling, one of the noncanonical Wnt signaling pathways, mediates collective migratory events such as convergent extension during developmental processes. Wnt/PCP signaling components are frequently dysregulated in solid tumors, and aberrant pathway activation contributes to tumor cell migratory properties. Here we summarize key studies that address the mechanisms by which Wnt/PCP signaling mediate collective cell migration in developmental and tumor contexts. We emphasize Wnt/PCP component localization within migrating cells and discuss how component asymmetry may govern the spatiotemporal control of downstream cytoskeletal effectors to promote collective cell motility.
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Affiliation(s)
- Kacey VanderVorst
- Department of Biochemistry and Molecular Medicine, UC Davis Comprehensive Cancer Center, UC Davis School of Medicine, Sacramento, California
| | - Courtney A Dreyer
- Department of Biochemistry and Molecular Medicine, UC Davis Comprehensive Cancer Center, UC Davis School of Medicine, Sacramento, California
| | - Sara E Konopelski
- Department of Cell Biology and Human Anatomy, UC Davis School of Medicine, Davis, California
| | - Hyun Lee
- Department of Biochemistry and Molecular Medicine, UC Davis Comprehensive Cancer Center, UC Davis School of Medicine, Sacramento, California
| | - Hsin-Yi Henry Ho
- Department of Cell Biology and Human Anatomy, UC Davis School of Medicine, Davis, California
| | - Kermit L Carraway
- Department of Biochemistry and Molecular Medicine, UC Davis Comprehensive Cancer Center, UC Davis School of Medicine, Sacramento, California.
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Ahsan K, Singh N, Rocha M, Huang C, Prince VE. Prickle1 is required for EMT and migration of zebrafish cranial neural crest. Dev Biol 2019; 448:16-35. [PMID: 30721665 DOI: 10.1016/j.ydbio.2019.01.018] [Citation(s) in RCA: 21] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/30/2018] [Revised: 01/12/2019] [Accepted: 01/30/2019] [Indexed: 01/06/2023]
Abstract
The neural crest-a key innovation of the vertebrates-gives rise to diverse cell types including melanocytes, neurons and glia of the peripheral nervous system, and chondrocytes of the jaw and skull. Proper development of the cephalic region is dependent on the tightly-regulated specification and migration of cranial neural crest cells (NCCs). The core PCP proteins Frizzled and Disheveled have previously been implicated in NCC migration. Here we investigate the functions of the core PCP proteins Prickle1a and Prickle1b in zebrafish cranial NCC development. Using analysis of pk1a and pk1b mutant embryos, we uncover similar roles for both genes in facilitating cranial NCC migration. Disruption of either gene causes pre-migratory NCCs to cluster together at the dorsal aspect of the neural tube, where they adopt aberrant polarity and movement. Critically, in investigating Pk1-deficient cells that fail to migrate ventrolaterally, we have also uncovered roles for pk1a and pk1b in the epithelial-to-mesenchymal transition (EMT) of pre-migratory NCCs that precedes their collective migration to the periphery. Normally, during EMT, pre-migratory NCCs transition from a neuroepithelial to a bleb-based and subsequently, mesenchymal morphology capable of directed migration. When either Pk1a or Pk1b is disrupted, NCCs continue to perform blebbing behaviors characteristic of pre-migratory cells over extended time periods, indicating a block in a key transition during EMT. Although some Pk1-deficient NCCs transition successfully to mesenchymal, migratory morphologies, they fail to separate from neighboring NCCs. Additionally, Pk1b-deficient NCCs show elevated levels of E-Cadherin and reduced levels of N-Cadherin, suggesting that Prickle1 molecules regulate Cadherin levels to ensure the completion of EMT and the commencement of cranial NCC migration. We conclude that Pk1 plays crucial roles in cranial NCCs both during EMT and migration. These roles are dependent on the regulation of E-Cad and N-Cad.
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Affiliation(s)
- Kamil Ahsan
- Committee on Development, Regeneration and Stem Cell Biology, The University of Chicago, USA
| | - Noor Singh
- Department of Organismal Biology and Anatomy, The University of Chicago, USA
| | - Manuel Rocha
- Committee on Development, Regeneration and Stem Cell Biology, The University of Chicago, USA
| | | | - Victoria E Prince
- Committee on Development, Regeneration and Stem Cell Biology, The University of Chicago, USA; Department of Organismal Biology and Anatomy, The University of Chicago, USA.
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45
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Hutchins EJ, Bronner ME. Draxin acts as a molecular rheostat of canonical Wnt signaling to control cranial neural crest EMT. J Cell Biol 2018; 217:3683-3697. [PMID: 30026247 PMCID: PMC6168252 DOI: 10.1083/jcb.201709149] [Citation(s) in RCA: 42] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/28/2017] [Revised: 05/24/2018] [Accepted: 07/05/2018] [Indexed: 01/17/2023] Open
Abstract
Neural crest cells undergo a spatiotemporally regulated epithelial-to-mesenchymal transition (EMT) that proceeds head to tailward to exit from the neural tube. In this study, we show that the secreted molecule Draxin is expressed in a transient rostrocaudal wave that mirrors this emigration pattern, initiating after neural crest specification and being down-regulated just before delamination. Functional experiments reveal that Draxin regulates the timing of cranial neural crest EMT by transiently inhibiting canonical Wnt signaling. Ectopic maintenance of Draxin in the cranial neural tube blocks full EMT; while cells delaminate, they fail to become mesenchymal and migratory. Loss of Draxin results in premature delamination but also in failure to mesenchymalize. These results suggest that a pulse of intermediate Wnt signaling triggers EMT and is necessary for its completion. Taken together, these data show that transient secreted Draxin mediates proper levels of canonical Wnt signaling required to regulate the precise timing of initiation and completion of cranial neural crest EMT.
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Affiliation(s)
- Erica J Hutchins
- Department of Biology and Biological Engineering, California Institute of Technology, Pasadena, CA
| | - Marianne E Bronner
- Department of Biology and Biological Engineering, California Institute of Technology, Pasadena, CA
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46
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Gap junction protein Connexin-43 is a direct transcriptional regulator of N-cadherin in vivo. Nat Commun 2018; 9:3846. [PMID: 30242148 PMCID: PMC6155008 DOI: 10.1038/s41467-018-06368-x] [Citation(s) in RCA: 124] [Impact Index Per Article: 17.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/05/2018] [Accepted: 08/29/2018] [Indexed: 11/16/2022] Open
Abstract
Connexins are the primary components of gap junctions, providing direct links between cells under many physiological processes. Here, we demonstrate that in addition to this canonical role, Connexins act as transcriptional regulators. We show that Connexin 43 (Cx43) controls neural crest cell migration in vivo by directly regulating N-cadherin transcription. This activity requires interaction between Cx43 carboxy tail and the basic transcription factor-3, which drives the translocation of Cx43 tail to the nucleus. Once in the nucleus they form a complex with PolII which directly binds to the N-cadherin promoter. We found that this mechanism is conserved between amphibian and mammalian cells. Given the strong evolutionary conservation of connexins across vertebrates, this may reflect a common mechanism of gene regulation by a protein whose function was previously ascribed only to gap junctional communication. Connexins are components of gap junctions that link cells and allow intercellular communication. Here, the authors show that the Connexin 43 carboxy tail interacts with basic transcription factor-3, leading to nuclear translocation and direct regulation of N-cadherin expression and neural crest migration.
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47
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TBC1d24-ephrinB2 interaction regulates contact inhibition of locomotion in neural crest cell migration. Nat Commun 2018; 9:3491. [PMID: 30154457 PMCID: PMC6113226 DOI: 10.1038/s41467-018-05924-9] [Citation(s) in RCA: 30] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/05/2017] [Accepted: 08/02/2018] [Indexed: 11/08/2022] Open
Abstract
Although Eph-ephrin signalling has been implicated in the migration of cranial neural crest (CNC) cells, it is still unclear how ephrinB transduces signals regulating this event. We provide evidence that TBC1d24, a putative Rab35-GTPase activating protein (Rab35 GAP), complexes with ephrinB2 via the scaffold Dishevelled (Dsh) and mediates a signal affecting contact inhibition of locomotion (CIL) in CNC cells. Moreover, we found that, in migrating CNC, the interaction between ephrinB2 and TBC1d24 negatively regulates E-cadherin recycling in these cells via Rab35. Upon engagement of the cognate Eph receptor, ephrinB2 is tyrosine phosphorylated, which disrupts the ephrinB2/Dsh/TBC1d24 complex. The dissolution of this complex leads to increasing E-cadherin levels at the plasma membrane, resulting in loss of CIL and disrupted CNC migration. Our results indicate that TBC1d24 is a critical player in ephrinB2 control of CNC cell migration via CIL.
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48
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Hoseth EZ, Krull F, Dieset I, Mørch RH, Hope S, Gardsjord ES, Steen NE, Melle I, Brattbakk HR, Steen VM, Aukrust P, Djurovic S, Andreassen OA, Ueland T. Exploring the Wnt signaling pathway in schizophrenia and bipolar disorder. Transl Psychiatry 2018; 8:55. [PMID: 29507296 PMCID: PMC5838215 DOI: 10.1038/s41398-018-0102-1] [Citation(s) in RCA: 96] [Impact Index Per Article: 13.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 09/27/2017] [Revised: 11/28/2017] [Accepted: 12/05/2017] [Indexed: 01/05/2023] Open
Abstract
The Wnt signaling pathway plays a crucial role in neurodevelopment and in regulating the function and structure of the adult nervous system. Schizophrenia (SCZ) and bipolar disorder (BD) are severe mental disorders with evidence of subtle neurodevelopmental, structural and functional neuronal abnormalities. We aimed to elucidate the role of aberrant regulation of the Wnt system in these disorders by evaluating plasma levels of secreted Wnt modulators in patients (SCZ = 551 and BD = 246) and healthy controls (HCs = 639) using enzyme immune-assay. We also investigated the expression of 141 Wnt-related genes in whole blood in a subsample (SCZ = 338, BD = 241, and HCs = 263) using microarray analysis. Both SCZ and BD had dysregulated mRNA expression of Wnt-related genes favoring attenuated canonical (beta-catenin-dependent) signaling, and there were also indices of enhanced non-canonical Wnt signaling. In particular, FZD7, which may activate all Wnt pathways, but favors non-canonical signaling, and NFATc3, a downstream transcription factor and readout of the non-canonical Wnt/Ca2+ pathway, were significantly increased in SCZ and BD (p < 3 × 10-4). Furthermore, patients had lower plasma levels of soluble dickkopf 1 and sclerostin (p < 0.01) compared with HC. Our findings suggest that SCZ and BD are characterized by abnormal Wnt gene expression and plasma protein levels, and we propose that drugs targeting the Wnt pathway may have a role in the treatment of severe mental disorders.
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Affiliation(s)
- Eva Z. Hoseth
- 0000 0004 0389 8485grid.55325.34NORMENT, KG Jebsen Centre for Psychosis Research, Institute of Clinical Medicine, University of Oslo, and Division of Mental Health and Addiction, Oslo University Hospital, Oslo, Norway ,Division of Mental Health and Addiction, Møre and Romsdal Hospital Trust, Kristiansund, Norway
| | - Florian Krull
- 0000 0004 0389 8485grid.55325.34NORMENT, KG Jebsen Centre for Psychosis Research, Institute of Clinical Medicine, University of Oslo, and Division of Mental Health and Addiction, Oslo University Hospital, Oslo, Norway
| | - Ingrid Dieset
- 0000 0004 0389 8485grid.55325.34NORMENT, KG Jebsen Centre for Psychosis Research, Institute of Clinical Medicine, University of Oslo, and Division of Mental Health and Addiction, Oslo University Hospital, Oslo, Norway
| | - Ragni H. Mørch
- 0000 0004 0389 8485grid.55325.34NORMENT, KG Jebsen Centre for Psychosis Research, Institute of Clinical Medicine, University of Oslo, and Division of Mental Health and Addiction, Oslo University Hospital, Oslo, Norway
| | - Sigrun Hope
- 0000 0004 0389 8485grid.55325.34NORMENT, KG Jebsen Centre for Psychosis Research, Institute of Clinical Medicine, University of Oslo, and Division of Mental Health and Addiction, Oslo University Hospital, Oslo, Norway ,0000 0004 0389 8485grid.55325.34Departent of Neurohabilitation, Division of Neurology, Oslo University Hospital, Oslo, Norway
| | - Erlend S. Gardsjord
- 0000 0004 0389 8485grid.55325.34NORMENT, KG Jebsen Centre for Psychosis Research, Institute of Clinical Medicine, University of Oslo, and Division of Mental Health and Addiction, Oslo University Hospital, Oslo, Norway
| | - Nils Eiel Steen
- 0000 0004 0389 8485grid.55325.34NORMENT, KG Jebsen Centre for Psychosis Research, Institute of Clinical Medicine, University of Oslo, and Division of Mental Health and Addiction, Oslo University Hospital, Oslo, Norway
| | - Ingrid Melle
- 0000 0004 0389 8485grid.55325.34NORMENT, KG Jebsen Centre for Psychosis Research, Institute of Clinical Medicine, University of Oslo, and Division of Mental Health and Addiction, Oslo University Hospital, Oslo, Norway
| | - Hans-Richard Brattbakk
- 0000 0004 1936 7443grid.7914.bNORMENT, KG Jebsen Centre for Psychosis Research, Department of Clinical Science, University of Bergen, Oslo, Norway ,0000 0000 9753 1393grid.412008.fDr. Einar Martens Research Group for Biological Psychiatry, Center for Medical Genetics and Molecular Medicine, Haukeland University Hospital, Oslo, Norway
| | - Vidar M. Steen
- 0000 0004 1936 7443grid.7914.bNORMENT, KG Jebsen Centre for Psychosis Research, Department of Clinical Science, University of Bergen, Oslo, Norway ,0000 0000 9753 1393grid.412008.fDr. Einar Martens Research Group for Biological Psychiatry, Center for Medical Genetics and Molecular Medicine, Haukeland University Hospital, Oslo, Norway
| | - Pål Aukrust
- 0000 0004 0389 8485grid.55325.34Research Institute for Internal Medicine, Oslo University Hospital Rikshospitalet, Oslo, Norway ,0000 0004 0389 8485grid.55325.34Section of Clinical Immunology and Infectious Diseases, Oslo University Hospital Rikshospitalet, Oslo, Norway ,0000 0004 0389 8485grid.55325.34Instiute of Clinical Medicine, Oslo University Hospital Rikshospitalet, Oslo, Norway ,0000 0004 1936 8921grid.5510.1K.G. Jensen Inflammatory Research Center, University of Oslo, Oslo, Norway
| | - Srdjan Djurovic
- 0000 0004 0389 8485grid.55325.34Department of Medical Genetics, Oslo University Hospital, Oslo, Norway ,0000 0004 1936 7443grid.7914.bNORMENT, KG Jebsen Centre for Psychosis Research, Department of Clinical Science, University of Bergen, Bergen, Norway
| | - Ole A. Andreassen
- 0000 0004 0389 8485grid.55325.34NORMENT, KG Jebsen Centre for Psychosis Research, Institute of Clinical Medicine, University of Oslo, and Division of Mental Health and Addiction, Oslo University Hospital, Oslo, Norway
| | - Thor Ueland
- Research Institute for Internal Medicine, Oslo University Hospital Rikshospitalet, Oslo, Norway. .,Instiute of Clinical Medicine, Oslo University Hospital Rikshospitalet, Oslo, Norway. .,K.G. Jensen Inflammatory Research Center, University of Oslo, Oslo, Norway. .,K. G. Jebsen Thrombosis Research and Expertise Center, University of Tromsø, Tromsø, Norway.
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49
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Becker J, Wilting J. WNT signaling, the development of the sympathoadrenal-paraganglionic system and neuroblastoma. Cell Mol Life Sci 2018; 75:1057-1070. [PMID: 29058015 PMCID: PMC5814469 DOI: 10.1007/s00018-017-2685-8] [Citation(s) in RCA: 24] [Impact Index Per Article: 3.4] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/06/2017] [Revised: 09/22/2017] [Accepted: 10/11/2017] [Indexed: 12/04/2022]
Abstract
Neuroblastoma (NB) is a tumor of the sympathoadrenal system arising in children under 15 years of age. In Germany, NB accounts for 7% of childhood cancer cases, but 11% of cancer deaths. It originates from highly migratory progenitor cells that leave the dorsal neural tube and contribute neurons and glial cells to sympathetic ganglia, and chromaffin and supportive cells to the adrenal medulla and paraganglia. Clinically, histologically and molecularly, NBs present as extremely heterogeneous, ranging from very good to very poor prognosis. The etiology of NB still remains unclear and needs to be elucidated, however, aberrant auto- and paracrine embryonic cell communications seem to be likely candidates to initiate or facilitate the emergence, progression and regression of NB. The wingless-type MMTV integration site (WNT) family of proteins represents an evolutionary highly conserved signaling system that orchestrates embryogenesis. At least 19 ligands in the human, numerous receptors and co-receptors are known, which control not only proliferation, but also cell polarity, migration and differentiation. Here we seek to interconnect aspects of WNT signaling with sympathoadrenal and paraganglionic development to define new WNT signaling cues in the etiology and progression of NB.
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Affiliation(s)
- Jürgen Becker
- Institute of Anatomy and Cell Biology, University Medical School Göttingen, 37075, Göttingen, Germany.
| | - Jörg Wilting
- Institute of Anatomy and Cell Biology, University Medical School Göttingen, 37075, Göttingen, Germany
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50
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Rashid D, Puettmann P, Roy E, Bradley RS. Neural crest development in Xenopus requires Protocadherin 7 at the lateral neural crest border. Mech Dev 2018; 149:41-52. [PMID: 29366801 PMCID: PMC5820198 DOI: 10.1016/j.mod.2018.01.002] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/14/2017] [Revised: 11/04/2017] [Accepted: 01/15/2018] [Indexed: 12/12/2022]
Abstract
In vertebrates, the neural crest is a unique population of pluripotent cells whose development is dependent on signaling from neighboring tissues. Cadherin family members, including protocadherins, are emerging as major players in neural crest development, largely through their roles in cell adhesion and sorting in embryonic tissues. Here, we show that Protocadherin 7 (Pcdh7), previously shown to function in sensorial layer integrity and neural tube closure in Xenopus, is also involved in neural crest specification and survival. Pcdh7 expression partly overlaps the neural crest domain at the lateral neural crest border. Pcdh7 knockdown in embryos does not alter neural crest induction; however, neural crest specification markers, including Snail2 and Sox9, are lost, due to apoptosis of the neural crest starting after stage 13. Pcdh7 knockdown also results in downregulation of Wnt11b; both of which are co-expressed in the sensorial layer lateral to the neural crest, suggestive of a role for Wnt11b in the neural crest apoptosis. Confirming this role, apoptosis, Snail2 expression and the developmental fate of the neural crest can be partially rescued by ectopic expression of Wnt11b. These results indicate that Pcdh7 plays an important role in maintaining the sensorial layer at the lateral neural crest border, which is necessary for the secretion of survival factors, including Wnt11b.
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Affiliation(s)
- Dana Rashid
- Department of Cell Biology and Neuroscience, Montana State University, Bozeman, MT 59717
| | - Paul Puettmann
- Department of Cell Biology and Neuroscience, Montana State University, Bozeman, MT 59717
| | - Ethan Roy
- Department of Cell Biology and Neuroscience, Montana State University, Bozeman, MT 59717
| | - Roger S. Bradley
- Department of Cell Biology and Neuroscience, Montana State University, Bozeman, MT 59717
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