1
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Li ZX, Huang ZN, Luo H, Yang XB, Wang YL, Chen JX, Ma XK, Xu F, Wang TT, Lin L. High BTBD7 expression positive is correlated with SLUG-predicted poor prognosis in hormone receptor-negative breast cancer. ANNALS OF TRANSLATIONAL MEDICINE 2021; 9:1252. [PMID: 34532389 PMCID: PMC8421947 DOI: 10.21037/atm-21-3409] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 06/10/2021] [Accepted: 08/05/2021] [Indexed: 02/05/2023]
Abstract
BACKGROUND Hormone receptor-negative breast cancer (HRNBC), which includes triple-negative breast cancer (TNBC) and human epidermal growth factor receptor 2 (HER-2) overexpressing breast cancer, is prone to metastasis and has a poor prognosis. BTB/POZ domain-containing protein 7 (Btbd7) is thought to regulate SLUG and the epithelial-mesenchymal transition (EMT) process. However, the role of Btbd7 in HRNBC is unclear. METHODS Expression of BTBD7 and SLUG in HRNBC tumor tissue and normal adjacent tissue (NAT) as well as breast cancer cells were characterized by immunohistochemistry and immunofluorescence. MDA-MA-231 cells was transfected with BTBD7 siRNA and detected by qRT-PCR and western blot. Expression levels of Slug and EMT related proteins were detected western blot analysis. cell invasion assays were used to analyse cell invasion ability of MDA-MA-231. GO and KEGG analyses was used to analysis the gene function. RESULTS The total positive rate of BTBD7 expression in HRNBC tumor tissue was 66.7%, which was higher than that in NAT (52.1%) and benign breast lesion tissues (20%). Co-expression of SLUG and BTBD7 proteins could be found in HRNBC tissue and MDA-MA-231 cells. BTBD7 silencing significantly up-regulated the epithelial marker E-cadherin, down-regulated the mesenchymal markers α-SMA and SLUG and suppressed the invasion abilities of MDA-MA-231 cells. GO and KEGG analyses based on 322 DEGs showed that BTBD7 may be associated with generic transcription in breast cancer. CONCLUSIONS The study data indicated that BTBD7 was inversely associated with SLUG expression. Higher BTBD7 was associated with poor clinicopathologic features and prognosis in HRNBC patients. BTBD7 silencing inhibited EMT through regulation of SLUG expression. BTBD7 might act as a potential molecular target for gene therapy in HRNBC patients.
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Affiliation(s)
- Zi-Xiong Li
- Department of Rheumatology, The First Affiliated Hospital, Shantou University Medical College, Shantou, China
- Clinical Research Center, The First Affiliated Hospital of Shantou University Medical College, Shantou, China
- Guangdong Provincial Key Laboratory for Diagnosis and Treatment of Breast Cancer, Shantou University Medical College, Shantou, China
| | - Ze-Nan Huang
- Department of Thyroid and Breast Surgery, The Third Affiliated Hospital of Sun Yat-sen University, Guangzhou, China
| | - Hui Luo
- Anesthesia and Operation Center, The Third Affiliated Hospital of Sun Yat-sen University, Guangzhou, China
| | - Xiong-Bin Yang
- Department of Rheumatology, The First Affiliated Hospital, Shantou University Medical College, Shantou, China
| | - Yu-Lin Wang
- Department of Neurosurgery, First Affiliated Hospital, Shantou University Medical College, Shantou, China
| | - Jie-Xin Chen
- Department of Endocrinology, First Affiliated Hospital, Shantou University Medical College, Shantou, China
| | - Xiao-Kai Ma
- The first affiliated Hospital of Bengbu Medical College, Bengbu, China
| | - Feng Xu
- Clinical Research Center, The First Affiliated Hospital of Shantou University Medical College, Shantou, China
- Department of Respiratory and Critical Care Medicine, The First Affiliated Hospital of Shantou University Medical College, Shantou, Guangdong, China
| | - Tian-Tian Wang
- Department of Medical Oncology, The Third Affiliated Hospital, Sun Yat-sen University, Guangzhou, China
| | - Ling Lin
- Department of Rheumatology, The First Affiliated Hospital, Shantou University Medical College, Shantou, China
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2
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Walker JL, Wang W, Lin E, Romisher A, Bouchie MP, Bleaken B, Menko AS, Kukuruzinska MA. Specification of the patterning of a ductal tree during branching morphogenesis of the submandibular gland. Sci Rep 2021; 11:330. [PMID: 33432003 PMCID: PMC7801450 DOI: 10.1038/s41598-020-79650-y] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/11/2017] [Accepted: 12/07/2020] [Indexed: 11/18/2022] Open
Abstract
The development of ductal structures during branching morphogenesis relies on signals that specify ductal progenitors to set up a pattern for the ductal network. Here, we identify cellular asymmetries defined by the F-actin cytoskeleton and the cell adhesion protein ZO-1 as the earliest determinants of duct specification in the embryonic submandibular gland (SMG). Apical polarity protein aPKCζ is then recruited to the sites of asymmetry in a ZO-1-dependent manner and collaborates with ROCK signaling to set up apical-basal polarity of ductal progenitors and further define the path of duct specification. Moreover, the motor protein myosin IIB, a mediator of mechanical force transmission along actin filaments, becomes localized to vertices linking the apical domains of multiple ductal epithelial cells during the formation of ductal lumens and drives duct maturation. These studies identify cytoskeletal, junctional and polarity proteins as the early determinants of duct specification and the patterning of a ductal tree during branching morphogenesis of the SMG.
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Affiliation(s)
- Janice L Walker
- Department of Pathology, Anatomy and Cell Biology, Thomas Jefferson University, 1020 Locust Street, Suite 564, Philadelphia, PA, 19107, USA
| | - Weihao Wang
- Department of Translational Dental Medicine, School of Dental Medicine, Boston University, 700 Albany Street, W201, Boston, MA, 02118, USA
| | - Edith Lin
- Department of Translational Dental Medicine, School of Dental Medicine, Boston University, 700 Albany Street, W201, Boston, MA, 02118, USA
| | - Alison Romisher
- Department of Pathology, Anatomy and Cell Biology, Thomas Jefferson University, 1020 Locust Street, Suite 564, Philadelphia, PA, 19107, USA
| | - Meghan P Bouchie
- Department of Translational Dental Medicine, School of Dental Medicine, Boston University, 700 Albany Street, W201, Boston, MA, 02118, USA
| | - Brigid Bleaken
- Department of Pathology, Anatomy and Cell Biology, Thomas Jefferson University, 1020 Locust Street, Suite 564, Philadelphia, PA, 19107, USA
| | - A Sue Menko
- Department of Pathology, Anatomy and Cell Biology, Thomas Jefferson University, 1020 Locust Street, Suite 564, Philadelphia, PA, 19107, USA.
| | - Maria A Kukuruzinska
- Department of Translational Dental Medicine, School of Dental Medicine, Boston University, 700 Albany Street, W201, Boston, MA, 02118, USA.
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3
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Abstract
The pancreas of adult mammals displays a branched structure which transports digestive enzymes produced in the distal acini through a tree-like network of ducts into the duodenum. In contrast to several other branched organs, its branching patterns are not stereotypic. Moreover, the branches do not grow from dichotomic splitting of an initial stem but rather from the formation of microlumen in a mass of cells. These lumen progressively assemble into a hyperconnected network that refines into a tree by the time of birth. We review the cell remodeling events and the molecular mechanisms governing pancreas branching, as well as the role of the surrounding tissues in this process. Furthermore, we draw parallels with other branched organs such as the salivary and mammary gland.
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Affiliation(s)
- Lydie Flasse
- Max Planck Institute of Molecular Cell Biology and Genetics, Dresden, Germany.
| | - Coline Schewin
- Max Planck Institute of Molecular Cell Biology and Genetics, Dresden, Germany
| | - Anne Grapin-Botton
- Max Planck Institute of Molecular Cell Biology and Genetics, Dresden, Germany; Cluster of Excellence Physics of Life, Technische Universität Dresden, Dresden, Germany; The Novo Nordisk Foundation Center for Stem Cell Biology, Copenhagen, Denmark.
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4
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Goodwin K, Nelson CM. Uncovering cellular networks in branching morphogenesis using single-cell transcriptomics. Curr Top Dev Biol 2020; 143:239-280. [PMID: 33820623 DOI: 10.1016/bs.ctdb.2020.09.004] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/13/2022]
Abstract
Single-cell RNA-sequencing (scRNA-seq) and related technologies to identify cell types and measure gene expression in space, in time, and within lineages have multiplied rapidly in recent years. As these techniques proliferate, we are seeing an increase in their application to the study of developing tissues. Here, we focus on single-cell investigations of branching morphogenesis. Branched organs are highly complex but typically develop recursively, such that a given developmental stage theoretically contains the entire spectrum of cell identities from progenitor to terminally differentiated. Therefore, branched organs are a highly attractive system for study by scRNA-seq. First, we provide an update on advances in the field of scRNA-seq analysis, focusing on spatial transcriptomics, computational reconstruction of differentiation trajectories, and integration of scRNA-seq with lineage tracing. In addition, we discuss the possibilities and limitations for applying these techniques to studying branched organs. We then discuss exciting advances made using scRNA-seq in the study of branching morphogenesis and differentiation in mammalian organs, with emphasis on the lung, kidney, and mammary gland. We propose ways that scRNA-seq could be used to address outstanding questions in each organ. Finally, we highlight the importance of physical and mechanical signals in branching morphogenesis and speculate about how scRNA-seq and related techniques could be applied to study tissue morphogenesis beyond just differentiation.
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Affiliation(s)
- Katharine Goodwin
- Lewis-Sigler Institute for Integrative Genomics, Princeton University, Princeton, NJ, United States
| | - Celeste M Nelson
- Department of Chemical and Biological Engineering, Princeton University, Princeton, NJ, United States; Department of Molecular Biology, Princeton University, Princeton, NJ, United States.
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5
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Chen J, Lai YH, Ooi S, Song Y, Li L, Liu TY. BTB domain-containing 7 predicts low recurrence and suppresses tumor progression by deactivating Notch1 signaling in breast cancer. Breast Cancer Res Treat 2020; 184:287-300. [PMID: 32772271 DOI: 10.1007/s10549-020-05857-2] [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: 12/16/2019] [Accepted: 07/31/2020] [Indexed: 12/24/2022]
Abstract
PURPOSE BTB domain-containing 7 (BTBD7) has been found to regulate epithelial tissue remodeling and branched organ formation and has been reported to modulate the biological behavior of several cancers. However, its role in breast cancer has not been identified. This study investigated the biological role and prognostic value of BTBD7 in breast cancer. METHODS We identified the BTBD7 expression pattern using the GENT2 database and assessed its expression in breast cancer tissue and cell lines using quantitative reverse transcription polymerase chain reaction, western blot, and immunohistochemistry. We conducted a clinical relevance and survival analysis on a cohort of 121 breast cancer cases from our follow-up and validated it in a Kaplan-Meier plotter. The gain-loss effect of BTBD7 on cell proliferation, invasion, and migration was detected in vitro. We employed a xenograft mouse metastatic model for in vivo validation and performed a Cignal Finder Cancer 10-Pathway Reporter Array, western blot, immunofluorescence, Cell Counting Kit-8, and transwell invasion/migration assays to analyze the potential mechanism. RESULTS BTBD7 was downregulated in human breast cancer cell lines and tissues. Decreased BTBD7 expression correlated with a positive lymph node status, lymphovascular invasion, and TNM stage, while high BTBD7 expression correlated with low breast cancer recurrence. BTBD7 suppressed cell proliferation, invasion/migration, and tumor metastasis in breast cancer. The mechanism studied suggested that the inhibitory role of BTBD7 was through the deactivation of Notch1 signaling in breast cancer. CONCLUSION BTBD7 suppresses tumor progression, and its high expression correlates with low recurrence in breast cancer.
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Affiliation(s)
- Jian Chen
- Department of Surgery, The First Affiliated Hospital of Sun Yat-Sen University, 510080, Guangzhou, Guangdong, China.,Department of Thyroid and Breast Surgery, The Eastern Division of the First Affiliated Hospital of Sun Yat-Sen University, 510700, Guangzhou, Guangdong, China
| | - Yuan-Hui Lai
- Department of Thyroid and Breast Surgery, The Eastern Division of the First Affiliated Hospital of Sun Yat-Sen University, 510700, Guangzhou, Guangdong, China
| | - Shiyin Ooi
- Department of Obstetrics and Gynecology, The First Affiliated Hospital of Sun Yat-Sen University, 58 Zhongshan Road II, 510080, Guangzhou, Guangdong, China
| | - Yan Song
- Department of Pathology, The First Affiliated Hospital of Sun Yat-Sen University, 510080, Guangzhou, Guangdong, China
| | - Lu Li
- Center for Proteomics and Metabolomics, State Key Laboratory of Bio-Control,, Guangdong Province Key Laboratory for Pharmaceutical Functional GenesSchool of Life Sciences, Sun Yat-Sen University, 510006, Guangzhou, Guangdong, China
| | - Tian-Yu Liu
- Department of Obstetrics and Gynecology, The First Affiliated Hospital of Sun Yat-Sen University, 58 Zhongshan Road II, 510080, Guangzhou, Guangdong, China.
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6
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Rens EG, Zeegers MT, Rabbers I, Szabó A, Merks RMH. Autocrine inhibition of cell motility can drive epithelial branching morphogenesis in the absence of growth. Philos Trans R Soc Lond B Biol Sci 2020; 375:20190386. [PMID: 32713299 DOI: 10.1098/rstb.2019.0386] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/12/2023] Open
Abstract
Epithelial branching morphogenesis drives the development of organs such as the lung, salivary gland, kidney and the mammary gland. It involves cell proliferation, cell differentiation and cell migration. An elaborate network of chemical and mechanical signals between the epithelium and the surrounding mesenchymal tissues regulates the formation and growth of branching organs. Surprisingly, when cultured in isolation from mesenchymal tissues, many epithelial tissues retain the ability to exhibit branching morphogenesis even in the absence of proliferation. In this work, we propose a simple, experimentally plausible mechanism that can drive branching morphogenesis in the absence of proliferation and cross-talk with the surrounding mesenchymal tissue. The assumptions of our mathematical model derive from in vitro observations of the behaviour of mammary epithelial cells. These data show that autocrine secretion of the growth factor TGF[Formula: see text]1 inhibits the formation of cell protrusions, leading to curvature-dependent inhibition of sprouting. Our hybrid cellular Potts and partial-differential equation model correctly reproduces the experimentally observed tissue-geometry-dependent determination of the sites of branching, and it suffices for the formation of self-avoiding branching structures in the absence and also in the presence of cell proliferation. This article is part of the theme issue 'Multi-scale analysis and modelling of collective migration in biological systems'.
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Affiliation(s)
- Elisabeth G Rens
- Centrum Wiskunde and Informatica, Amsterdam, The Netherlands.,Mathematical Institute, Leiden University, Leiden, The Netherlands
| | - Mathé T Zeegers
- Centrum Wiskunde and Informatica, Amsterdam, The Netherlands
| | - Iraes Rabbers
- Centrum Wiskunde and Informatica, Amsterdam, The Netherlands
| | - András Szabó
- Centrum Wiskunde and Informatica, Amsterdam, The Netherlands
| | - Roeland M H Merks
- Centrum Wiskunde and Informatica, Amsterdam, The Netherlands.,Mathematical Institute, Leiden University, Leiden, The Netherlands
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7
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Abstract
ABSTRACT
Over the past 5 years, several studies have begun to uncover the links between the classical signal transduction pathways and the physical mechanisms that are used to sculpt branched tissues. These advances have been made, in part, thanks to innovations in live imaging and reporter animals. With modern research tools, our conceptual models of branching morphogenesis are rapidly evolving, and the differences in branching mechanisms between each organ are becoming increasingly apparent. Here, we highlight four branched epithelia that develop at different spatial scales, within different surrounding tissues and via divergent physical mechanisms. Each of these organs has evolved to employ unique branching strategies to achieve a specialized final architecture.
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Affiliation(s)
- Katharine Goodwin
- Lewis-Sigler Institute for Integrative Genomics, Princeton University, Princeton, NJ 08544, USA
| | - Celeste M. Nelson
- Department of Chemical and Biological Engineering, Princeton University, Princeton, NJ 08544, USA
- Department of Molecular Biology, Princeton University, Princeton, NJ 08544, USA
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8
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Vincent M, Karolak JA, Deutsch G, Gambin T, Popek E, Isidor B, Szafranski P, Le Caignec C, Stankiewicz P. Clinical, Histopathological, and Molecular Diagnostics in Lethal Lung Developmental Disorders. Am J Respir Crit Care Med 2020; 200:1093-1101. [PMID: 31189067 DOI: 10.1164/rccm.201903-0495tr] [Citation(s) in RCA: 38] [Impact Index Per Article: 9.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/16/2022] Open
Abstract
Lethal lung developmental disorders are a rare but important group of pediatric diffuse lung diseases presenting with neonatal respiratory failure. On the basis of histopathological appearance at lung biopsy or autopsy, they have been termed: alveolar capillary dysplasia with misalignment of the pulmonary veins, acinar dysplasia, congenital alveolar dysplasia, and other unspecified primary pulmonary hypoplasias. However, the histopathological continuum in these lethal developmental disorders has made accurate diagnosis challenging, which has implications for recurrence risk. Over the past decade, genetic studies in infants with alveolar capillary dysplasia with misalignment of the pulmonary veins have revealed the causative role of the dosage-sensitive FOXF1 gene and its noncoding regulatory variants in the distant lung-specific enhancer at chromosome 16q24.1. In contrast, the molecular bases of acinar dysplasia and congenital alveolar dysplasia have remained poorly understood. Most recently, disruption of the TBX4-FGF10-FGFR2 epithelial-mesenchymal signaling pathway has been reported in patients with these lethal pulmonary dysplasias. Application of next-generation sequencing techniques, including exome sequencing and whole-genome sequencing, has demonstrated their complex compound inheritance. These data indicate that noncoding regulatory elements play a critical role in lung development in humans. We propose that for more precise lethal lung developmental disorder diagnosis, a diagnostic pathway including whole-genome sequencing should be implemented.
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Affiliation(s)
- Marie Vincent
- Service de Genetique Medicale, Centre Hospitalier Universitaire de Nantes, Nantes, France.,Institut National de la Santé et de la Recherche Médicale, Centre National de la Recherche Scientifique, Université de Nantes, L'institut du Thorax, Nantes, France
| | - Justyna A Karolak
- Department of Molecular and Human Genetics and.,Department of Genetics and Pharmaceutical Microbiology, Poznan University of Medical Sciences, Poznan, Poland
| | - Gail Deutsch
- Department of Pathology, Seattle Children's Hospital, Seattle, Washington
| | - Tomasz Gambin
- Department of Molecular and Human Genetics and.,Department of Medical Genetics, Institute of Mother and Child, Warsaw, Poland; and.,Institute of Computer Science, Warsaw University of Technology, Warsaw, Poland
| | - Edwina Popek
- Department of Pathology and Immunology, Baylor College of Medicine, Houston, Texas
| | - Bertrand Isidor
- Service de Genetique Medicale, Centre Hospitalier Universitaire de Nantes, Nantes, France.,Institut National de la Santé et de la Recherche Médicale, Centre National de la Recherche Scientifique, Université de Nantes, L'institut du Thorax, Nantes, France
| | | | - Cedric Le Caignec
- Service de Genetique Medicale, Centre Hospitalier Universitaire de Nantes, Nantes, France
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9
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The extracellular domain of teneurin-4 promotes cell adhesion for oligodendrocyte differentiation. Biochem Biophys Res Commun 2019; 523:171-176. [PMID: 31839217 DOI: 10.1016/j.bbrc.2019.12.002] [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: 11/18/2019] [Accepted: 12/01/2019] [Indexed: 01/06/2023]
Abstract
Cell adhesion between oligodendrocytes and neuronal axons is a critical step for myelination that enables the rapid propagation of action potential in the central nervous system. Here, we show that the transmembrane protein teneurin-4 plays a role in the cell adhesion required for the differentiation of oligodendrocytes. We found that teneurin-4 formed molecular complexes with all of the four teneurin family members and promoted cell-cell adhesion. Oligodendrocyte lineage cells attached to the recombinant extracellular domain of all the teneurins and formed well-branched cell processes. In an axon-mimicking nanofibers assay, nanofibers coated with the recombinant teneurin-4 extracellular domain increased the differentiation of oligodendrocytes. Our results show that teneurin-4 binds to all teneurins through their extracellular domain, which facilitates the oligodendrocyte-axon adhesion, and promotes oligodendrocyte differentiation via its homophilic interaction.
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10
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BTBD7 Downregulates E-Cadherin and Promotes Epithelial-Mesenchymal Transition in Lung Cancer. BIOMED RESEARCH INTERNATIONAL 2019; 2019:5937635. [PMID: 31886230 PMCID: PMC6900955 DOI: 10.1155/2019/5937635] [Citation(s) in RCA: 15] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 06/20/2019] [Accepted: 10/22/2019] [Indexed: 12/22/2022]
Abstract
Metastasis is the leading cause of lung cancer-associated death. Downregulated expression of E-cadherin followed by epithelial-mesenchymal transition (EMT) is critical for metastasis initiation in lung cancer. BTBD7 plays essential roles in lung cancer metastasis, but the mechanisms remain unknown. This study aimed to investigate the relationship between BTBD7 and E-cadherin in lung cancer and explore the role of BTBD7 in EMT. Fresh lung cancer and paracancer tissue specimens were collected from 30 patients, and the expression of BTBD7, E-cadherin, N-cadherin, fibronectin, and vimentin was analyzed by qRT-PCR, western blotting, and immunohistochemistry. A549 and HBE cells were cultured and treated with TGF-β1 for 72 h to induce EMT. Western blotting and qRT-PCR were performed to evaluate the expression of BTBD7, E-cadherin, N-cadherin, fibronectin, and vimentin. Then, A549 cells were treated separately with the BTBD7-ENTER plasmid, BTBD7-siRNA, and paclitaxel. After TGF-β1-induced EMT, the abovementioned markers were analyzed by western blotting and qRT-PCR. Wound healing assays were applied to assess the migration ability of cells in different groups. For animal experiments, A549 cells transfected with the BTBD7-ENTER plasmid were transplanted into BALB/c nude mice. After 4 weeks, all nude mice were sacrificed, and tumor tissues were harvested for qRT-PCR, western blot, and immunohistochemical analyses of the abovementioned markers. All experimental results showed that the levels of BTBD7, N-cadherin, fibronectin, and vimentin were increased in lung cancer tissues and cells, while the E-cadherin level was decreased. Transfection experiments showed that BTBD7 inhibited E-cadherin expression and enhanced EMT. Moreover, the migration capacity of lung cancer cells was increased by the high level of BTBD7. We concluded that BTBD7 is highly expressed during lung cancer development and metastasis and can inhibit the expression of E-cadherin and promote EMT in lung cancer. BTBD7 may thus be a therapeutic target for lung cancer.
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11
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Multiscale dynamics of branching morphogenesis. Curr Opin Cell Biol 2019; 60:99-105. [DOI: 10.1016/j.ceb.2019.04.008] [Citation(s) in RCA: 13] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/13/2019] [Revised: 04/09/2019] [Accepted: 04/16/2019] [Indexed: 12/18/2022]
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12
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Myllymäki SM, Mikkola ML. Inductive signals in branching morphogenesis - lessons from mammary and salivary glands. Curr Opin Cell Biol 2019; 61:72-78. [PMID: 31387017 DOI: 10.1016/j.ceb.2019.07.001] [Citation(s) in RCA: 13] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/17/2019] [Revised: 06/28/2019] [Accepted: 07/02/2019] [Indexed: 12/30/2022]
Abstract
Branching morphogenesis is a fundamental developmental program that generates large epithelial surfaces in a limited three-dimensional space. It is regulated by inductive tissue interactions whose effects are mediated by soluble signaling molecules, and cell-cell and cell-extracellular matrix interactions. Here, we will review recent studies on inductive signaling interactions governing branching morphogenesis in light of phenotypes of mouse mutants and ex vivo organ culture studies with emphasis on developing mammary and salivary glands. We will highlight advances in understanding how cell fate decisions are intimately linked with branching morphogenesis. We will also discuss novel insights into the molecular control of cellular mechanisms driving the formation of these arborized ductal structures and reflect upon how distinct spatial patterns are generated.
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Affiliation(s)
- Satu-Marja Myllymäki
- Developmental Biology Program, Institute of Biotechnology, HiLIFE, P.O.B. 56, University of Helsinki, 00014 Helsinki, Finland.
| | - Marja L Mikkola
- Developmental Biology Program, Institute of Biotechnology, HiLIFE, P.O.B. 56, University of Helsinki, 00014 Helsinki, Finland.
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13
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Establishment of a Murine Pro-acinar Cell Line to Characterize Roles for FGF2 and α3β1 Integrins in Regulating Pro-acinar Characteristics. Sci Rep 2019; 9:10984. [PMID: 31358811 PMCID: PMC6662831 DOI: 10.1038/s41598-019-47387-y] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/18/2019] [Accepted: 07/12/2019] [Indexed: 12/12/2022] Open
Abstract
Radiation therapy for head and neck cancers results in permanent damage to the saliva producing acinar compartment of the salivary gland. To date, a pure pro-acinar cell line to study underlying mechanisms of acinar cell differentiation in culture has not been described. Here, we report the establishment of a pro-acinar (mSG-PAC1) and ductal (mSG-DUC1) cell line, from the murine submandibular salivary gland (SMG), which recapitulate developmental milestones in differentiation. mSG-DUC1 cells express the ductal markers, keratin-7 and keratin-19, and form lumenized spheroids. mSG-PAC1 cells express the pro-acinar markers SOX10 and aquaporin-5. Using the mSG-PAC1 cell line, we demonstrate that FGF2 regulates specific steps during acinar cell maturation. FGF2 up-regulates aquaporin-5 and the expression of the α3 and α6 subunits of the α3β1 and α6β1 integrins that are known to promote SMG morphogenesis and differentiation. mSG-DUC1 and mSG-PAC1 cells were derived from genetically modified mice, homozygous for floxed alleles of the integrin α3 subunit. Similar to SMGs from α3-null mice, deletion of α3 alleles in mSG-PAC1 cells results in the up-regulation of E-cadherin and the down-regulation of CDC42. Our data indicate that mSG-DUC1 and mSG-PAC1 cells will serve as important tools to gain mechanistic insight into salivary gland morphogenesis and differentiation.
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14
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van Kruistum H, van den Heuvel J, Travis J, Kraaijeveld K, Zwaan BJ, Groenen MAM, Megens HJ, Pollux BJA. The genome of the live-bearing fish Heterandria formosa implicates a role of conserved vertebrate genes in the evolution of placental fish. BMC Evol Biol 2019; 19:156. [PMID: 31349784 PMCID: PMC6660938 DOI: 10.1186/s12862-019-1484-2] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/31/2018] [Accepted: 07/19/2019] [Indexed: 01/15/2023] Open
Abstract
Background The evolution of complex organs is thought to occur via a stepwise process, each subsequent step increasing the organ’s complexity by a tiny amount. This evolutionary process can be studied by comparing closely related species that vary in the presence or absence of their organs. This is the case for the placenta in the live-bearing fish family Poeciliidae, as members of this family vary markedly in their ability to supply nutrients to their offspring via a placenta. Here, we investigate the genomic basis underlying this phenotypic variation in Heterandria formosa, a poeciliid fish with a highly complex placenta. We compare this genome to three published reference genomes of non-placental poeciliid fish to gain insight in which genes may have played a role in the evolution of the placenta in the Poeciliidae. Results We sequenced the genome of H. formosa, providing the first whole genome sequence for a placental poeciliid. We looked for signatures of adaptive evolution by comparing its gene sequences to those of three non-placental live-bearing relatives. Using comparative evolutionary analyses, we found 17 genes that were positively selected exclusively in H. formosa, as well as five gene duplications exclusive to H. formosa. Eight of the genes evolving under positive selection in H. formosa have a placental function in mammals, most notably endometrial tissue remodelling or endometrial cell proliferation. Conclusions Our results show that a substantial portion of positively selected genes have a function that correlates well with the morphological changes that form the placenta of H. formosa, compared to the corresponding tissue in non-placental poeciliids. These functions are mainly endometrial tissue remodelling and endometrial cell proliferation. Therefore, we hypothesize that natural selection acting on genes involved in these functions plays a key role in the evolution of the placenta in H. formosa. Electronic supplementary material The online version of this article (10.1186/s12862-019-1484-2) contains supplementary material, which is available to authorized users.
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Affiliation(s)
- Henri van Kruistum
- Animal Breeding and Genomics Group, Wageningen University, Wageningen, The Netherlands. .,Experimental Zoology Group, Wageningen University, Wageningen, The Netherlands.
| | - Joost van den Heuvel
- Plant Sciences Group, Laboratory of Genetics, Wageningen University, Wageningen, The Netherlands
| | - Joseph Travis
- Department of Biological Science, Florida State University, Tallahassee, USA
| | - Ken Kraaijeveld
- Institute for Biodiversity and Ecosystem Dynamics, University of Amsterdam, Amsterdam, The Netherlands.,Leiden Genome Technology Center Department of Human Genetics, Leiden University Medical Center, Leiden, The Netherlands
| | - Bas J Zwaan
- Plant Sciences Group, Laboratory of Genetics, Wageningen University, Wageningen, The Netherlands
| | - Martien A M Groenen
- Animal Breeding and Genomics Group, Wageningen University, Wageningen, The Netherlands
| | - Hendrik-Jan Megens
- Animal Breeding and Genomics Group, Wageningen University, Wageningen, The Netherlands
| | - Bart J A Pollux
- Experimental Zoology Group, Wageningen University, Wageningen, The Netherlands
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15
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Abstract
Extracellular matrices (ECMs) are structurally and compositionally diverse networks of collagenous and noncollagenous glycoproteins, glycosaminoglycans, proteoglycans, and associated molecules that together comprise the metazoan matrisome. Proper deposition and assembly of ECM is of profound importance to cell proliferation, survival, and differentiation, and the morphogenesis of tissues and organ systems that define sequential steps in the development of all animals. Importantly, it is now clear that the instructive influence of a particular ECM at various points in development reflects more than a simple summing of component parts; cellular responses also reflect the dynamic assembly and changing topology of embryonic ECM, which in turn affect its biomechanical properties. This review highlights recent advances in understanding how biophysical features attributed to ECM, such as stiffness and viscoelasticity, play important roles in the sculpting of embryonic tissues and the regulation of cell fates. Forces generated within cells and tissues are transmitted both through integrin-based adhesions to ECM, and through cadherin-dependent cell-cell adhesions; the resulting short- and long-range deformations of embryonic tissues drive morphogenesis. This coordinate regulation of cell-ECM and cell-cell adhesive machinery has emerged as a common theme in a variety of developmental processes. In this review we consider select examples in the embryo where ECM is implicated in setting up tissue barriers and boundaries, in resisting pushing or pulling forces, or in constraining or promoting cell and tissue movement. We reflect on how each of these processes contribute to morphogenesis.
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16
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Meyer R, Wong WY, Guzman R, Burd R, Limesand K. Radiation Treatment of Organotypic Cultures from Submandibular and Parotid Salivary Glands Models Key In Vivo Characteristics. J Vis Exp 2019. [PMID: 31157788 DOI: 10.3791/59484] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/12/2023] Open
Abstract
Hyposalivation and xerostomia create chronic oral complications that decrease the quality of life in head and neck cancer patients who are treated with radiotherapy. Experimental approaches to understanding mechanisms of salivary gland dysfunction and restoration have focused on in vivo models, which are handicapped by an inability to systematically screen therapeutic candidates and efficiencies in transfection capability to manipulate specific genes. The purpose of this salivary gland organotypic culture protocol is to evaluate maximal time of culture viability and characterize cellular changes following ex vivo radiation treatment. We utilized immunofluorescent staining and confocal microscopy to determine when specific cell populations and markers are present during a 30-day culture period. In addition, cellular markers previously reported in in vivo radiation models are evaluated in cultures that are irradiated ex vivo. Moving forward, this method is an attractive platform for rapid ex vivo assessment of murine and human salivary gland tissue responses to therapeutic agents that improve salivary function.
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Affiliation(s)
- Rachel Meyer
- Department of Nutritional Sciences, University of Arizona
| | - Wen Yu Wong
- Cancer Biology Graduate Interdisciplinary Program, University of Arizona
| | - Roberto Guzman
- Department of Chemical Engineering, University of Arizona
| | - Randy Burd
- Department of Nutritional Sciences, University of Arizona
| | - Kirsten Limesand
- Department of Nutritional Sciences, University of Arizona; Cancer Biology Graduate Interdisciplinary Program, University of Arizona;
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17
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Karolak JA, Vincent M, Deutsch G, Gambin T, Cogné B, Pichon O, Vetrini F, Mefford HC, Dines JN, Golden-Grant K, Dipple K, Freed AS, Leppig KA, Dishop M, Mowat D, Bennetts B, Gifford AJ, Weber MA, Lee AF, Boerkoel CF, Bartell TM, Ward-Melver C, Besnard T, Petit F, Bache I, Tümer Z, Denis-Musquer M, Joubert M, Martinovic J, Bénéteau C, Molin A, Carles D, André G, Bieth E, Chassaing N, Devisme L, Chalabreysse L, Pasquier L, Secq V, Don M, Orsaria M, Missirian C, Mortreux J, Sanlaville D, Pons L, Küry S, Bézieau S, Liet JM, Joram N, Bihouée T, Scott DA, Brown CW, Scaglia F, Tsai ACH, Grange DK, Phillips JA, Pfotenhauer JP, Jhangiani SN, Gonzaga-Jauregui CG, Chung WK, Schauer GM, Lipson MH, Mercer CL, van Haeringen A, Liu Q, Popek E, Coban Akdemir ZH, Lupski JR, Szafranski P, Isidor B, Le Caignec C, Stankiewicz P. Complex Compound Inheritance of Lethal Lung Developmental Disorders Due to Disruption of the TBX-FGF Pathway. Am J Hum Genet 2019; 104:213-228. [PMID: 30639323 DOI: 10.1016/j.ajhg.2018.12.010] [Citation(s) in RCA: 69] [Impact Index Per Article: 13.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/08/2018] [Accepted: 12/13/2018] [Indexed: 12/24/2022] Open
Abstract
Primary defects in lung branching morphogenesis, resulting in neonatal lethal pulmonary hypoplasias, are incompletely understood. To elucidate the pathogenetics of human lung development, we studied a unique collection of samples obtained from deceased individuals with clinically and histopathologically diagnosed interstitial neonatal lung disorders: acinar dysplasia (n = 14), congenital alveolar dysplasia (n = 2), and other lethal lung hypoplasias (n = 10). We identified rare heterozygous copy-number variant deletions or single-nucleotide variants (SNVs) involving TBX4 (n = 8 and n = 2, respectively) or FGF10 (n = 2 and n = 2, respectively) in 16/26 (61%) individuals. In addition to TBX4, the overlapping ∼2 Mb recurrent and nonrecurrent deletions at 17q23.1q23.2 identified in seven individuals with lung hypoplasia also remove a lung-specific enhancer region. Individuals with coding variants involving either TBX4 or FGF10 also harbored at least one non-coding SNV in the predicted lung-specific enhancer region, which was absent in 13 control individuals with the overlapping deletions but without any structural lung anomalies. The occurrence of rare coding variants involving TBX4 or FGF10 with the putative hypomorphic non-coding SNVs implies a complex compound inheritance of these pulmonary hypoplasias. Moreover, they support the importance of TBX4-FGF10-FGFR2 epithelial-mesenchymal signaling in human lung organogenesis and help to explain the histopathological continuum observed in these rare lethal developmental disorders of the lung.
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MESH Headings
- DNA Copy Number Variations/genetics
- Female
- Fibroblast Growth Factor 10/genetics
- Fibroblast Growth Factor 10/metabolism
- Gene Expression Regulation
- Gestational Age
- Humans
- Infant, Newborn
- Infant, Newborn, Diseases/genetics
- Infant, Newborn, Diseases/metabolism
- Infant, Newborn, Diseases/mortality
- Infant, Newborn, Diseases/pathology
- Lung/embryology
- Lung/growth & development
- Lung Diseases/genetics
- Lung Diseases/metabolism
- Lung Diseases/mortality
- Lung Diseases/pathology
- Male
- Maternal Inheritance
- Organogenesis
- Paternal Inheritance
- Pedigree
- Polymorphism, Single Nucleotide/genetics
- Receptor, Fibroblast Growth Factor, Type 2/metabolism
- Signal Transduction/genetics
- T-Box Domain Proteins/genetics
- T-Box Domain Proteins/metabolism
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Affiliation(s)
- Justyna A Karolak
- Department of Molecular & Human Genetics, Baylor College of Medicine, Houston, TX 77030, USA; Department of Genetics and Pharmaceutical Microbiology, Poznan University of Medical Sciences, 60-781 Poznan, Poland
| | - Marie Vincent
- Service de Génétique Médicale, CHU de Nantes, 44000 Nantes, France; Inserm, CNRS, Univ Nantes, l'institut du thorax, 44000 Nantes, France
| | - Gail Deutsch
- Department of Pathology, Seattle Children's Hospital, Seattle, WA 98105, USA
| | - Tomasz Gambin
- Department of Medical Genetics, Institute of Mother and Child, 01-211 Warsaw, Poland; Institute of Computer Science, Warsaw University of Technology, 00-665 Warsaw, Poland
| | - Benjamin Cogné
- Service de Génétique Médicale, CHU de Nantes, 44000 Nantes, France; Inserm, CNRS, Univ Nantes, l'institut du thorax, 44000 Nantes, France
| | - Olivier Pichon
- Service de Génétique Médicale, CHU de Nantes, 44000 Nantes, France
| | | | - Heather C Mefford
- Department of Pediatrics, Division of Genetic Medicine, University of Washington, Seattle, WA 98195, USA
| | - Jennifer N Dines
- Department of Pediatrics, Division of Genetic Medicine, University of Washington, Seattle, WA 98195, USA; Department of Medicine, Division of Medical Genetics, University of Washington, Seattle, WA 98195, USA
| | - Katie Golden-Grant
- Division of Genetic Medicine, Seattle Children's Hospital, Seattle, WA 98105, USA
| | - Katrina Dipple
- Department of Pediatrics, Division of Genetic Medicine, University of Washington, Seattle, WA 98195, USA; Division of Genetic Medicine, Seattle Children's Hospital, Seattle, WA 98105, USA
| | - Amanda S Freed
- Department of Pediatrics, Division of Genetic Medicine, University of Washington, Seattle, WA 98195, USA; Department of Medicine, Division of Medical Genetics, University of Washington, Seattle, WA 98195, USA
| | - Kathleen A Leppig
- Genetic Services Kaiser Permanente of Washington, Seattle, WA 98112, USA
| | - Megan Dishop
- Pathology and Laboratory Medicine, Phoenix Children's Hospital, Phoenix, AZ 85016, USA
| | - David Mowat
- Centre for Clinical Genetics, Sydney Children's Hospital, Randwick Sydney, NSW 2031 Australia; School of Women's and Children's Health, The University of New South Wales, Sydney, NSW 2052, Australia
| | - Bruce Bennetts
- Discipline of Child & Adolescent Health, Sydney Medical School, University of Sydney, Sydney, NSW 2006, Australia; Molecular Genetics Department, Western Sydney Genetics Program, The Children's Hospital at Westmead, Sydney, NSW 2145, Australia; Discipline of Genetic Medicine, Sydney Medical School, University of Sydney, Sydney, NSW 2006, Australia
| | - Andrew J Gifford
- School of Women's and Children's Health, The University of New South Wales, Sydney, NSW 2052, Australia; Department of Anatomical Pathology, Prince of Wales Hospital, Randwick, NSW 2031, Australia
| | - Martin A Weber
- Department of Anatomical Pathology, Prince of Wales Hospital, Randwick, NSW 2031, Australia; School of Medical Sciences, University of New South Wales, Sydney, NSW 2052, Australia
| | - Anna F Lee
- Department of Pathology and Laboratory Medicine, University of British Columbia, Vancouver, BC V6T 2B5, Canada
| | - Cornelius F Boerkoel
- Department of Medical Genetics, University of British Columbia, Vancouver, BC V6H 3N1, Canada
| | - Tina M Bartell
- Department of Genetics, Kaiser Permanente Sacramento Medical Center, Sacramento, CA 95815, USA
| | | | - Thomas Besnard
- Service de Génétique Médicale, CHU de Nantes, 44000 Nantes, France; Inserm, CNRS, Univ Nantes, l'institut du thorax, 44000 Nantes, France
| | - Florence Petit
- Service de Génétique Clinique, CHU Lille, 59000 Lille, France
| | - Iben Bache
- Department of Cellular and Molecular Medicine, University of Copenhagen, 2200 N Copenhagen, Denmark; Department of Clinical Genetics, Copenhagen University Hospital, Rigshospitalet, 2100 Ø Copenhagen, Denmark
| | - Zeynep Tümer
- Kennedy Center, Department of Clinical Genetics, Copenhagen University Hospital, Rigshospitalet, 2600 Glostrup, Copenhagen, Denmark; Deparment of Clinical Medicine, Faculty of Health and Medical Sciences, University of Copenhagen, 2200 N, Copenhagen, Denmark
| | | | | | - Jelena Martinovic
- Unit of Fetal Pathology, AP-HP, Antoine Beclere Hospital, 75000 Paris, France
| | - Claire Bénéteau
- Service de Génétique Médicale, CHU de Nantes, 44000 Nantes, France; Inserm, CNRS, Univ Nantes, l'institut du thorax, 44000 Nantes, France
| | - Arnaud Molin
- Service de Génétique Médicale, CHU Caen, 14000 Caen, France
| | - Dominique Carles
- Service d'anatomo-pathologie, CHU Bordeaux, 33000 Bordeaux, France
| | - Gwenaelle André
- Service d'anatomo-pathologie, CHU Bordeaux, 33000 Bordeaux, France
| | - Eric Bieth
- Service de génétique médicale, CHU Toulouse, France and UDEAR, UMR 1056 Inserm - Université de Toulouse, 31000 Toulouse, France
| | - Nicolas Chassaing
- Service de génétique médicale, CHU Toulouse, France and UDEAR, UMR 1056 Inserm - Université de Toulouse, 31000 Toulouse, France
| | | | | | | | - Véronique Secq
- Aix Marseille Univ, APHM, Hôpital Nord, Service d'anatomo-pathologie, 13000 Marseille, France
| | - Massimiliano Don
- Sant'Antonio General Hospital, Pediatric Care Unit, San Daniele del Friuli, 33100 Udine, Italy
| | - Maria Orsaria
- Department of Medical and Biological Sciences, Pathology Unit, University of Udine, Udine, Italy
| | - Chantal Missirian
- Aix Marseille Univ, APHM, INSERM, MMG, Marseille, Timone Hospital, 13000 Marseille, France
| | - Jérémie Mortreux
- Aix Marseille Univ, APHM, INSERM, MMG, Marseille, Timone Hospital, 13000 Marseille, France
| | - Damien Sanlaville
- Hospices Civils de Lyon, GHE, Genetics department, and Lyon University, 69000 Lyon, France
| | - Linda Pons
- Hospices Civils de Lyon, GHE, Genetics department, and Lyon University, 69000 Lyon, France
| | - Sébastien Küry
- Service de Génétique Médicale, CHU de Nantes, 44000 Nantes, France; Inserm, CNRS, Univ Nantes, l'institut du thorax, 44000 Nantes, France
| | - Stéphane Bézieau
- Service de Génétique Médicale, CHU de Nantes, 44000 Nantes, France; Inserm, CNRS, Univ Nantes, l'institut du thorax, 44000 Nantes, France
| | - Jean-Michel Liet
- Service de réanimation pédiatrique, CHU Nantes, 44000 Nantes, France
| | - Nicolas Joram
- Service de réanimation pédiatrique, CHU Nantes, 44000 Nantes, France
| | | | - Daryl A Scott
- Department of Molecular & Human Genetics, Baylor College of Medicine, Houston, TX 77030, USA; Texas Children's Hospital, Houston, TX 77030, USA; Department of Molecular Physiology and Biophysics, Baylor College of Medicine, Houston, TX 77030, USA
| | - Chester W Brown
- Department of Pediatrics, Genetics Division, University of Tennessee Health Science Center, Memphis, TN 38163, USA
| | - Fernando Scaglia
- Department of Molecular & Human Genetics, Baylor College of Medicine, Houston, TX 77030, USA; Texas Children's Hospital, Houston, TX 77030, USA; Joint BCM-CUHK Center of Medical Genetics, Prince of Wales Hospital, ShaTin, New Territories, Hong Kong SAR
| | - Anne Chun-Hui Tsai
- Department of Pediatrics, The Children's Hospital, University of Colorado School of Medicine, Aurora, CO 80045, USA
| | - Dorothy K Grange
- Department of Pediatrics, Division of Genetics and Genomic Medicine, Washington University School of Medicine, St. Louis Children's Hospital, St. Louis, MO 63110, USA
| | - John A Phillips
- Department of Pediatrics, Division of Medical Genetics and Genomic Medicine, Vanderbilt University Medical Center, Nashville, TN 37232, USA
| | - Jean P Pfotenhauer
- Department of Pediatrics, Division of Medical Genetics and Genomic Medicine, Vanderbilt University Medical Center, Nashville, TN 37232, USA
| | - Shalini N Jhangiani
- Human Genome Sequencing Center, Baylor College of Medicine, Houston, TX 77030, USA
| | | | - Wendy K Chung
- Departments of Pediatrics and Medicine, Columbia University, New York, NY 10032, USA
| | - Galen M Schauer
- Department of Pathology, Kaiser Permanente Oakland Medical Center, Oakland, CA 94611, USA
| | - Mark H Lipson
- Department of Genetics, Kaiser Permanente Sacramento Medical Center, Sacramento, CA 95815, USA
| | - Catherine L Mercer
- Wessex Clinical Genetics Service, University Hospital Southampton NHS Foundation Trust, Princess Anne Hospital, Southampton SO16 5YA, UK
| | - Arie van Haeringen
- Department of Clinical Genetics, Leiden University Medical Center, 2333 ZA Leiden, the Netherlands
| | - Qian Liu
- Department of Molecular & Human Genetics, Baylor College of Medicine, Houston, TX 77030, USA
| | - Edwina Popek
- Department of Pathology and Immunology, Baylor College of Medicine, Houston, TX 77030, USA
| | - Zeynep H Coban Akdemir
- Department of Molecular & Human Genetics, Baylor College of Medicine, Houston, TX 77030, USA
| | - James R Lupski
- Department of Molecular & Human Genetics, Baylor College of Medicine, Houston, TX 77030, USA; Texas Children's Hospital, Houston, TX 77030, USA; Human Genome Sequencing Center, Baylor College of Medicine, Houston, TX 77030, USA; Department of Pediatrics, Baylor College of Medicine, Houston, TX 77030, USA
| | - Przemyslaw Szafranski
- Department of Molecular & Human Genetics, Baylor College of Medicine, Houston, TX 77030, USA
| | - Bertrand Isidor
- Service de Génétique Médicale, CHU de Nantes, 44000 Nantes, France; Inserm, CNRS, Univ Nantes, l'institut du thorax, 44000 Nantes, France
| | | | - Paweł Stankiewicz
- Department of Molecular & Human Genetics, Baylor College of Medicine, Houston, TX 77030, USA; Baylor Genetics, Houston, TX 77021, USA; Institute of Mother and Child, 01-211 Warsaw, Poland.
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18
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Chiba Y, He B, Yoshizaki K, Rhodes C, Ishijima M, Bleck CKE, Stempinski E, Chu EY, Nakamura T, Iwamoto T, de Vega S, Saito K, Fukumoto S, Yamada Y. The transcription factor AmeloD stimulates epithelial cell motility essential for tooth morphology. J Biol Chem 2018; 294:3406-3418. [PMID: 30504223 DOI: 10.1074/jbc.ra118.005298] [Citation(s) in RCA: 18] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/10/2018] [Revised: 11/29/2018] [Indexed: 02/05/2023] Open
Abstract
The development of ectodermal organs, such as teeth, requires epithelial-mesenchymal interactions. Basic helix-loop-helix (bHLH) transcription factors regulate various aspects of tissue development, and we have previously identified a bHLH transcription factor, AmeloD, from a tooth germ cDNA library. Here, we provide both in vitro and in vivo evidence that AmeloD is important in tooth development. We created AmeloD-knockout (KO) mice to identify the in vivo functions of AmeloD that are critical for tooth morphogenesis. We found that AmeloD-KO mice developed enamel hypoplasia and small teeth because of increased expression of E-cadherin in inner enamel epithelial (IEE) cells, and it may cause inhibition of the cell migration. We used the CLDE dental epithelial cell line to conduct further mechanistic analyses to determine whether AmeloD overexpression in CLDE cells suppresses E-cadherin expression and promotes cell migration. Knockout of epiprofin (Epfn), another transcription factor required for tooth morphogenesis and development, and analysis of AmeloD expression and deletion revealed that AmeloD also contributed to multiple tooth formation in Epfn-KO mice by promoting the invasion of dental epithelial cells into the mesenchymal region. Thus, AmeloD appears to play an important role in tooth morphogenesis by modulating E-cadherin and dental epithelial-mesenchymal interactions. These findings provide detailed insights into the mechanism of ectodermal organ development.
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Affiliation(s)
- Yuta Chiba
- From the Molecular Biology Section, NIDCR, National Institutes of Health, Bethesda, Maryland 20892.,Division of Pediatric Dentistry, Department of Oral Health and Development Sciences and
| | - Bing He
- From the Molecular Biology Section, NIDCR, National Institutes of Health, Bethesda, Maryland 20892.,State Key Laboratory of Oral Diseases, West China Hospital of Stomatology, Sichuan University, Chengdu 610041, China
| | - Keigo Yoshizaki
- From the Molecular Biology Section, NIDCR, National Institutes of Health, Bethesda, Maryland 20892.,Division of Oral Health, Growth and Development, Kyushu University Faculty of Dental Science, Fukuoka 812-8582, Japan
| | - Craig Rhodes
- From the Molecular Biology Section, NIDCR, National Institutes of Health, Bethesda, Maryland 20892
| | - Muneaki Ishijima
- From the Molecular Biology Section, NIDCR, National Institutes of Health, Bethesda, Maryland 20892.,Department of Medicine for Orthopaedics and Motor Organ and
| | - Christopher K E Bleck
- Electron Microscopy Core Facility, NHLBI, National Institutes of Health, Bethesda, Maryland 20892
| | - Erin Stempinski
- Electron Microscopy Core Facility, NHLBI, National Institutes of Health, Bethesda, Maryland 20892
| | - Emily Y Chu
- Laboratory of Oral Connective Tissue Biology, NIAMS, National Institutes of Health, Bethesda, Maryland 20892, and
| | - Takashi Nakamura
- From the Molecular Biology Section, NIDCR, National Institutes of Health, Bethesda, Maryland 20892.,Division of Molecular Pharmacology and Cell Biophysics, Department of Oral Biology, Tohoku University Graduate School of Dentistry, Sendai 980-8575, Japan
| | - Tsutomu Iwamoto
- From the Molecular Biology Section, NIDCR, National Institutes of Health, Bethesda, Maryland 20892.,Department of Pediatric Dentistry, Institute of Biomedical Sciences, Tokushima University Graduate School, Tokushima 770-8504, Japan
| | - Susana de Vega
- From the Molecular Biology Section, NIDCR, National Institutes of Health, Bethesda, Maryland 20892.,Research Department of Pathophysiology for Locomotive and Neoplastic Diseases, Juntendo University Graduate School of Medicine, Tokyo 113-8421, Japan
| | - Kan Saito
- Division of Pediatric Dentistry, Department of Oral Health and Development Sciences and
| | - Satoshi Fukumoto
- From the Molecular Biology Section, NIDCR, National Institutes of Health, Bethesda, Maryland 20892.,Division of Pediatric Dentistry, Department of Oral Health and Development Sciences and
| | - Yoshihiko Yamada
- From the Molecular Biology Section, NIDCR, National Institutes of Health, Bethesda, Maryland 20892,
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19
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Wang S. Single Molecule RNA FISH (smFISH) in Whole-Mount Mouse Embryonic Organs. ACTA ACUST UNITED AC 2018; 83:e79. [PMID: 30394692 DOI: 10.1002/cpcb.79] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/28/2022]
Abstract
Single molecule RNA fluorescence in situ hybridization (smFISH) has become the standard tool for high spatial resolution analysis of gene expression in the context of tissue organization. This article describes protocols to perform smFISH on whole-mount mouse embryonic organs, where tissue organization can be compared to RNA expression by co-immunostaining of known protein markers. An enzymatic labeling strategy is also introduced to produce low-cost smFISH probes. Important considerations and practical guidelines for imaging smFISH samples using fluorescence confocal microscopy are described. Finally, a suite of custom-written ImageJ macros is included with detailed instructions to enable semi-automated smFISH image analysis of both 2D and 3D images. © 2018 by John Wiley & Sons, Inc.
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Affiliation(s)
- Shaohe Wang
- National Institute of Dental and Craniofacial Research, Cell Biology Section, Bethesda, Maryland
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20
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Abstract
The basement membrane is a thin but dense, sheet-like specialized type of extracellular matrix that has remarkably diverse functions tailored to individual tissues and organs. Tightly controlled spatial and temporal changes in its composition and structure contribute to the diversity of basement membrane functions. These different basement membranes undergo dynamic transformations throughout animal life, most notably during development. Numerous developmental mechanisms are regulated or mediated by basement membranes, often by a combination of molecular and mechanical processes. A particularly important process involves cell transmigration through a basement membrane because of its link to cell invasion in disease. While developmental and disease processes share some similarities, what clearly distinguishes the two is dysregulation of cells and extracellular matrices in disease. With its relevance to many developmental and disease processes, the basement membrane is a vitally important area of research that may provide novel insights into biological mechanisms and development of innovative therapeutic approaches. Here we present a review of developmental and disease dynamics of basement membranes in Caenorhabditis elegans, Drosophila, and vertebrates.
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21
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Yang L, Wang T, Zhang J, Wang X. BTBD7 silencing inhibited epithelial- mesenchymal transition (EMT) via regulating Slug expression in human salivary adenoid cystic carcinoma. Cancer Biomark 2017; 20:461-468. [PMID: 28946551 DOI: 10.3233/cbm-170262] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/15/2022]
Affiliation(s)
- Liu Yang
- Department of Oral and Maxillofacial Surgery, School of Stomatology, Shandong University, Jinan, Shandong, China
- Shandong Provincial Key Laboratory of Oral Tissue Regeneration, Shandong, China
- Yantai Stomatological Hospital, Yantai, Shandong, China
| | - Tiejun Wang
- Yantai Stomatological Hospital, Yantai, Shandong, China
| | - Jun Zhang
- Shandong Provincial Key Laboratory of Oral Tissue Regeneration, Shandong, China
- Department of Orthodontics, School of Stomatology, Shandong University, Jinan, Shandong, China
| | - Xuxia Wang
- Department of Oral and Maxillofacial Surgery, School of Stomatology, Shandong University, Jinan, Shandong, China
- Shandong Provincial Key Laboratory of Oral Tissue Regeneration, Shandong, China
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22
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Bembenek JN, Meshik X, Tsarouhas V. Meeting report - Cellular dynamics: membrane-cytoskeleton interface. J Cell Sci 2017; 130:2775-2779. [PMID: 29360626 DOI: 10.1242/jcs.208660] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/20/2022] Open
Abstract
The first ever 'Cellular Dynamics' meeting on the membrane-cytoskeleton interface took place in Southbridge, MA on May 21-24, 2017 and was co-organized by Michael Way, Elizabeth Chen, Margaret Gardel and Jennifer Lippincott-Schwarz. Investigators from around the world studying a broad range of related topics shared their insights into the function and regulation of the cytoskeleton and membrane compartments. This provided great opportunities to learn about key questions in various cellular processes, from the basic organization and operation of the cell to higher-order interactions in adhesion, migration, metastasis, division and immune cell interactions in different model organisms. This unique and diverse mix of research interests created a stimulating and educational meeting that will hopefully continue to be a successful meeting for years to come.
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Affiliation(s)
- Joshua N Bembenek
- Department of Biochemistry & Cellular and Molecular Biology, University of Tennessee, Knoxville, TN 37996, USA
| | - Xenia Meshik
- Department of Anesthesiology, Washington University in St. Louis School of Medicine, St. Louis, MO 63110, USA
| | - Vasilios Tsarouhas
- Department of Molecular Biosciences, Stockholm University, Stockholm, Sweden
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