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Xu J, Liu H, Lan Y, Jiang R. The transcription factors Foxf1 and Foxf2 integrate the SHH, HGF and TGFβ signaling pathways to drive tongue organogenesis. Development 2022; 149:dev200667. [PMID: 36227576 PMCID: PMC10655918 DOI: 10.1242/dev.200667] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/20/2022] [Accepted: 09/26/2022] [Indexed: 11/19/2023]
Abstract
The tongue is a highly specialized muscular organ with diverse cellular origins, which provides an excellent model for understanding mechanisms controlling tissue-tissue interactions during organogenesis. Previous studies showed that SHH signaling is required for tongue morphogenesis and tongue muscle organization, but little is known about the underlying mechanisms. Here we demonstrate that the Foxf1/Foxf2 transcription factors act in the cranial neural crest cell (CNCC)-derived mandibular mesenchyme to control myoblast migration into the tongue primordium during tongue initiation, and thereafter continue to regulate intrinsic tongue muscle assembly and lingual tendon formation. We performed chromatin immunoprecipitation sequencing analysis and identified Hgf, Tgfb2 and Tgfb3 among the target genes of Foxf2 in the embryonic tongue. Through genetic analyses of mice with CNCC-specific inactivation of Smo or both Foxf1 and Foxf2, we show that Foxf1 and Foxf2 mediate hedgehog signaling-mediated regulation of myoblast migration during tongue initiation and intrinsic tongue muscle formation by regulating the activation of the HGF and TGFβ signaling pathways. These data uncover the molecular network integrating the SHH, HGF and TGFβ signaling pathways in regulating tongue organogenesis.
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Affiliation(s)
- Jingyue Xu
- Division of Developmental Biology, Cincinnati Children's Hospital Medical Center, Cincinnati, OH 45229, USA
| | - Han Liu
- Division of Developmental Biology, Cincinnati Children's Hospital Medical Center, Cincinnati, OH 45229, USA
| | - Yu Lan
- Division of Developmental Biology, Cincinnati Children's Hospital Medical Center, Cincinnati, OH 45229, USA
- Division of Plastic Surgery, Cincinnati Children's Hospital Medical Center, Cincinnati, OH 45229, USA
- Departments of Pediatrics and Surgery, University of Cincinnati College of Medicine, Cincinnati, OH 45229, USA
| | - Rulang Jiang
- Division of Developmental Biology, Cincinnati Children's Hospital Medical Center, Cincinnati, OH 45229, USA
- Division of Plastic Surgery, Cincinnati Children's Hospital Medical Center, Cincinnati, OH 45229, USA
- Departments of Pediatrics and Surgery, University of Cincinnati College of Medicine, Cincinnati, OH 45229, USA
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2
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Xu J, Liu H, Lan Y, Adam M, Clouthier DE, Potter S, Jiang R. Hedgehog signaling patterns the oral-aboral axis of the mandibular arch. eLife 2019; 8:40315. [PMID: 30638444 PMCID: PMC6347453 DOI: 10.7554/elife.40315] [Citation(s) in RCA: 36] [Impact Index Per Article: 7.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/21/2018] [Accepted: 01/11/2019] [Indexed: 12/20/2022] Open
Abstract
Development of vertebrate jaws involves patterning neural crest-derived mesenchyme cells into distinct subpopulations along the proximal-distal and oral-aboral axes. Although the molecular mechanisms patterning the proximal-distal axis have been well studied, little is known regarding the mechanisms patterning the oral-aboral axis. Using unbiased single-cell RNA-seq analysis followed by in situ analysis of gene expression profiles, we show that Shh and Bmp4 signaling pathways are activated in a complementary pattern along the oral-aboral axis in mouse embryonic mandibular arch. Tissue-specific inactivation of hedgehog signaling in neural crest-derived mandibular mesenchyme led to expansion of BMP signaling activity to throughout the oral-aboral axis of the distal mandibular arch and subsequently duplication of dentary bone in the oral side of the mandible at the expense of tongue formation. Further studies indicate that hedgehog signaling acts through the Foxf1/2 transcription factors to specify the oral fate and pattern the oral-aboral axis of the mandibular mesenchyme.
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Affiliation(s)
- Jingyue Xu
- Division of Developmental Biology, Cincinnati Children's Hospital Medical Center, Cincinnati, United States
| | - Han Liu
- Division of Developmental Biology, Cincinnati Children's Hospital Medical Center, Cincinnati, United States
| | - Yu Lan
- Division of Developmental Biology, Cincinnati Children's Hospital Medical Center, Cincinnati, United States.,Division of Plastic Surgery, Cincinnati Children's Hospital Medical Center, Cincinnati, United States.,Department of Pediatrics, University of Cincinnati College of Medicine, Cincinnati, United States.,Shriners Hospitals for Children - Cincinnati, Cincinnati, United States
| | - Mike Adam
- Division of Developmental Biology, Cincinnati Children's Hospital Medical Center, Cincinnati, United States
| | - David E Clouthier
- Department of Craniofacial Biology, School of Dental Medicine, Anschutz Medical Campus, University of Colorado, Aurora, United States
| | - Steven Potter
- Division of Developmental Biology, Cincinnati Children's Hospital Medical Center, Cincinnati, United States.,Department of Pediatrics, University of Cincinnati College of Medicine, Cincinnati, United States
| | - Rulang Jiang
- Division of Developmental Biology, Cincinnati Children's Hospital Medical Center, Cincinnati, United States.,Division of Plastic Surgery, Cincinnati Children's Hospital Medical Center, Cincinnati, United States.,Department of Pediatrics, University of Cincinnati College of Medicine, Cincinnati, United States.,Shriners Hospitals for Children - Cincinnati, Cincinnati, United States
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4
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Ariazi J, Benowitz A, De Biasi V, Den Boer ML, Cherqui S, Cui H, Douillet N, Eugenin EA, Favre D, Goodman S, Gousset K, Hanein D, Israel DI, Kimura S, Kirkpatrick RB, Kuhn N, Jeong C, Lou E, Mailliard R, Maio S, Okafo G, Osswald M, Pasquier J, Polak R, Pradel G, de Rooij B, Schaeffer P, Skeberdis VA, Smith IF, Tanveer A, Volkmann N, Wu Z, Zurzolo C. Tunneling Nanotubes and Gap Junctions-Their Role in Long-Range Intercellular Communication during Development, Health, and Disease Conditions. Front Mol Neurosci 2017; 10:333. [PMID: 29089870 PMCID: PMC5651011 DOI: 10.3389/fnmol.2017.00333] [Citation(s) in RCA: 150] [Impact Index Per Article: 21.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/06/2017] [Accepted: 10/02/2017] [Indexed: 12/15/2022] Open
Abstract
Cell-to-cell communication is essential for the organization, coordination, and development of cellular networks and multi-cellular systems. Intercellular communication is mediated by soluble factors (including growth factors, neurotransmitters, and cytokines/chemokines), gap junctions, exosomes and recently described tunneling nanotubes (TNTs). It is unknown whether a combination of these communication mechanisms such as TNTs and gap junctions may be important, but further research is required. TNTs are long cytoplasmic bridges that enable long-range, directed communication between connected cells. The proposed functions of TNTs are diverse and not well understood but have been shown to include the cell-to-cell transfer of vesicles, organelles, electrical stimuli and small molecules. However, the exact role of TNTs and gap junctions for intercellular communication and their impact on disease is still uncertain and thus, the subject of much debate. The combined data from numerous laboratories indicate that some TNT mediate a long-range gap junctional communication to coordinate metabolism and signaling, in relation to infectious, genetic, metabolic, cancer, and age-related diseases. This review aims to describe the current knowledge, challenges and future perspectives to characterize and explore this new intercellular communication system and to design TNT-based therapeutic strategies.
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Affiliation(s)
| | | | | | - Monique L Den Boer
- Department of Pediatric Oncology, Erasmus MC - Sophia Children's Hospital, Rotterdam, Netherlands
| | - Stephanie Cherqui
- Division of Genetics, Department of Pediatrics, University of California, San Diego, La Jolla, CA, United States
| | - Haifeng Cui
- GlaxoSmithKline, Collegeville, PA, United States
| | | | - Eliseo A Eugenin
- Public Health Research Institute (PHRI), Newark, NJ, United States.,Department of Microbiology, Biochemistry and Molecular Genetics, Rutgers New Jersey Medical School, Rutgers the State University of New Jersey, Newark, NJ, United States
| | - David Favre
- GlaxoSmithKline, Research Triangle Park, NC, United States
| | - Spencer Goodman
- Division of Genetics, Department of Pediatrics, University of California, San Diego, La Jolla, CA, United States
| | - Karine Gousset
- Department of Biology, College of Science and Math, California State University, Fresno, CA, United States
| | - Dorit Hanein
- Bioinformatics and System Biology Program, Sanford Burnham Prebys Medical Discovery, La Jolla, CA, United States
| | | | - Shunsuke Kimura
- Laboratory of Histology and Cytology, Graduate School of Medicine, Hokkaido University, Sapporo, Japan
| | | | - Nastaran Kuhn
- Division of Cancer Biology, Physical Sciences-Oncology Network, Cancer Tissue Engineering Collaborative Research Program, Program Director, Structural Biology and Molecular Applications Branch, National Cancer Institute, Bethesda, MD, United States
| | - Claire Jeong
- GlaxoSmithKline, King of Prussia, PA, United States
| | - Emil Lou
- Division of Hematology, Oncology and Transplantation, Department of Medicine, University of Minnesota, Minneapolis, MN, United States
| | - Robbie Mailliard
- Department of Infectious Diseases and Microbiology, University of Pittsburgh, Pittsburgh, PA, United States
| | - Stephen Maio
- GlaxoSmithKline, King of Prussia, PA, United States
| | | | - Matthias Osswald
- Neurology Clinic and National Center for Tumor Diseases, University Hospital Heidelberg, Heidelberg, Germany.,Clinical Cooperation Unit Neurooncology, German Cancer Consortium (DKTK), German Cancer Research Center (DKFZ), Heidelberg, Germany
| | - Jennifer Pasquier
- Department of Genetic Medicine, Weill Cornell Medical College in Qatar, Qatar Foundation, Ar-Rayyan, Qatar
| | - Roel Polak
- Department of Pediatric Oncology, Erasmus MC - Sophia Children's Hospital, Rotterdam, Netherlands
| | - Gabriele Pradel
- Division of Cellular and Applied Infection Biology, RWTH Aachen University, Aachen, Germany
| | - Bob de Rooij
- Department of Pediatric Oncology, Erasmus MC - Sophia Children's Hospital, Rotterdam, Netherlands
| | | | - Vytenis A Skeberdis
- Institute of Cardiology, Lithuanian University of Health Sciences, Kaunas, Lithuania
| | - Ian F Smith
- Department of Neurobiology and Behavior, University of California, Irvine, Irvine, CA, United States
| | - Ahmad Tanveer
- Section of Intracellular Trafficking and Neurovirology, National Institute of Health, Bethesda, MD, United States
| | - Niels Volkmann
- Bioinformatics and System Biology Program, Sanford Burnham Prebys Medical Discovery, La Jolla, CA, United States
| | - Zhenhua Wu
- GlaxoSmithKline, Collegeville, PA, United States
| | - Chiara Zurzolo
- Unit of Membrane Trafficking and Pathogenesis, Department of Cell Biology and Infection, Pasteur Institute, Paris, France
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Bora-Singhal N, Perumal D, Nguyen J, Chellappan S. Gli1-Mediated Regulation of Sox2 Facilitates Self-Renewal of Stem-Like Cells and Confers Resistance to EGFR Inhibitors in Non-Small Cell Lung Cancer. Neoplasia 2016; 17:538-51. [PMID: 26297432 PMCID: PMC4547412 DOI: 10.1016/j.neo.2015.07.001] [Citation(s) in RCA: 81] [Impact Index Per Article: 10.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/21/2014] [Revised: 06/22/2015] [Accepted: 07/02/2015] [Indexed: 12/21/2022] Open
Abstract
Non–small cell lung cancer (NSCLC) patients have very low survival rates because the current therapeutic strategies are not fully effective. Although EGFR tyrosine kinase inhibitors are effective for NSCLC patients harboring EGFR mutations, patients invariably develop resistance to these agents. Alterations in multiple signaling cascades have been associated with the development of resistance to EGFR inhibitors. Sonic Hedgehog and associated Gli transcription factors play a major role in embryonic development and have recently been found to be reactivated in NSCLC, and elevated Gli1 levels correlate with poor prognosis. The Hedgehog pathway has been implicated in the functions of cancer stem cells, although the underlying molecular mechanisms are not clear. In this context, we demonstrate that Gli1 is a strong regulator of embryonic stem cell transcription factor Sox2. Depletion of Gli1 or inhibition of the Hedgehog signaling significantly abrogated the self-renewal of stem-like side-population cells from NSCLCs as well as vascular mimicry of such cells. Gli1 was found to transcriptionally regulate Sox2 through its promoter region, and Gli1 could be detected on the Sox2 promoter. Inhibition of Hedgehog signaling appeared to work cooperatively with EGFR inhibitors in markedly reducing the viability of NSCLC cells as well as the self-renewal of stem-like cells. Thus, our study demonstrates a cooperative functioning of the EGFR signaling and Hedgehog pathways in governing the stem-like functions of NSCLC cancer stem cells and presents a novel therapeutic strategy to combat NSCLC harboring EGFR mutations.
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Affiliation(s)
- Namrata Bora-Singhal
- Department of Tumor Biology, H. Lee Moffitt Cancer Center and Research Institute, 12902 Magnolia Drive, Tampa, FL, 33612, USA
| | - Deepak Perumal
- Department of Tumor Biology, H. Lee Moffitt Cancer Center and Research Institute, 12902 Magnolia Drive, Tampa, FL, 33612, USA
| | - Jonathan Nguyen
- Department of Tumor Biology, H. Lee Moffitt Cancer Center and Research Institute, 12902 Magnolia Drive, Tampa, FL, 33612, USA
| | - Srikumar Chellappan
- Department of Tumor Biology, H. Lee Moffitt Cancer Center and Research Institute, 12902 Magnolia Drive, Tampa, FL, 33612, USA.
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Specialized filopodia: at the 'tip' of morphogen transport and vertebrate tissue patterning. Curr Opin Genet Dev 2014; 27:67-73. [PMID: 24907447 DOI: 10.1016/j.gde.2014.03.013] [Citation(s) in RCA: 35] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/15/2014] [Revised: 03/19/2014] [Accepted: 03/26/2014] [Indexed: 11/24/2022]
Abstract
For over a century, biologists have strived to unravel the mechanisms that establish how cells are informed of their position in the embryo and differentiate to give rise to complex organs and structures. However, the historical idea that one predominant mode of ligand transport, largely accounted for by free diffusion, can explain how all signaling molecules, known as morphogens, control tissue patterning has greatly hindered our ability to fully appreciate the complexities driving the delivery and reception of signaling molecules at a distance. In reality, a cell's shape, morphology, and location change continuously as development progresses. Thus, cellular context poses distinct challenges for morphogen transport in each unique cellular environment. Emerging studies reveal that some cells overcome such obstacles in an unexpected manner: via long, cellular projections, or specialized filopodia, that link distant cells and traffic signaling components. Here, we will review recent findings describing specialized filopodia and discuss the potential mechanisms and implications for filopodia-based long-range cell signaling and communication, particularly within the developing vertebrate embryo.
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