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Niehrs C, Da Silva F, Seidl C. Cilia as Wnt signaling organelles. Trends Cell Biol 2024:S0962-8924(24)00071-0. [PMID: 38697898 DOI: 10.1016/j.tcb.2024.04.001] [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: 02/08/2024] [Revised: 04/03/2024] [Accepted: 04/08/2024] [Indexed: 05/05/2024]
Abstract
Cilia and Wnt signaling have a complex relationship, wherein Wnt regulates cilia and, conversely, cilia may affect Wnt signaling. Recently, it was shown that Wnt receptors are present in flagella, primary cilia, and multicilia, where they transmit an intraciliary signal that is independent of β-catenin. Intraciliary Wnt signaling promotes ciliogenesis, affecting male fertility, adipogenesis, and mucociliary clearance. Wnt also stimulates the beating of motile cilia, highlighting that these nanomotors, too, are chemosensory. Intraciliary Wnt signaling employs a Wnt-protein phosphatase 1 (PP1) signaling axis, involving the canonical Wnt pathway's inhibition of glycogen synthase kinase 3 (GSK3) to repress PP1 activity. Collectively, these findings support that cilia are Wnt signaling organelles, with implications for ciliopathies and cancer.
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Affiliation(s)
- Christof Niehrs
- Division of Molecular Embryology, DKFZ-ZMBH Alliance, 69120 Heidelberg, Germany; Institute of Molecular Biology (IMB), 55128 Mainz, Germany.
| | - Fabio Da Silva
- Division of Molecular Embryology, DKFZ-ZMBH Alliance, 69120 Heidelberg, Germany
| | - Carina Seidl
- Division of Molecular Embryology, DKFZ-ZMBH Alliance, 69120 Heidelberg, Germany
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2
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Tsukiyama T. New insights in ubiquitin-dependent Wnt receptor regulation in tumorigenesis. In Vitro Cell Dev Biol Anim 2024; 60:449-465. [PMID: 38383910 PMCID: PMC11126518 DOI: 10.1007/s11626-024-00855-w] [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: 10/24/2023] [Accepted: 01/17/2024] [Indexed: 02/23/2024]
Abstract
Wnt signaling plays a crucial role in embryonic development and homeostasis maintenance. Delicate and sensitive fine-tuning of Wnt signaling based on the proper timings and positions is required to balance cell proliferation and differentiation and maintain individual health. Therefore, homeostasis is broken by tissue hypoplasia or tumor formation once Wnt signal dysregulation disturbs the balance of cell proliferation. The well-known regulatory mechanism of Wnt signaling is the molecular reaction associated with the cytoplasmic accumulation of effector β-catenin. In addition to β-catenin, most Wnt effector proteins are also regulated by ubiquitin-dependent modification, both qualitatively and quantitatively. This review will explain the regulation of the whole Wnt signal in four regulatory phases, as well as the different ubiquitin ligases and the function of deubiquitinating enzymes in each phase. Along with the recent results, the mechanism by which RNF43 negatively regulates the surface expression of Wnt receptors, which has recently been well understood, will be detailed. Many RNF43 mutations have been identified in pancreatic and gastrointestinal cancers and examined for their functional alteration in Wnt signaling. Several mutations facilitate or activate the Wnt signal, reversing the RNF43 tumor suppressor function into an oncogene. RNF43 may simultaneously play different roles in classical multistep tumorigenesis, as both wild-type and mutant RNF43 suppress the p53 pathway. We hope that the knowledge obtained from further research in RNF43 will be applied to cancer treatment in the future despite the fully unclear function of RNF43.
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Affiliation(s)
- Tadasuke Tsukiyama
- Department of Biochemistry, Graduate School of Medicine, Hokkaido University, 15NW7, Kita-Ku, Sapporo, Hokkaido, 060-8638, Japan.
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Matsumoto S, Kikuchi A. Wnt/β-catenin signaling pathway in liver biology and tumorigenesis. In Vitro Cell Dev Biol Anim 2024; 60:466-481. [PMID: 38379098 DOI: 10.1007/s11626-024-00858-7] [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: 11/13/2023] [Accepted: 01/16/2024] [Indexed: 02/22/2024]
Abstract
The Wnt/β-catenin pathway is an evolutionarily conserved signaling pathway that controls fundamental physiological and pathological processes by regulating cell proliferation and differentiation. The Wnt/β-catenin pathway enables liver homeostasis by inducing differentiation and contributes to liver-specific features such as metabolic zonation and regeneration. In contrast, abnormalities in the Wnt/β-catenin pathway promote the development and progression of hepatocellular carcinoma (HCC). Similarly, hepatoblastoma, the most common childhood liver cancer, is frequently associated with β-catenin mutations, which activate Wnt/β-catenin signaling. HCCs with activation of the Wnt/β-catenin pathway have unique gene expression patterns and pathological and clinical features. Accordingly, they are highly differentiated with retaining hepatocyte-like characteristics and tumorigenic. Activation of the Wnt/β-catenin pathway in HCC also alters the state of immune cells, causing "immune evasion" with inducing resistance to immune checkpoint inhibitors, which have recently become widely used to treat HCC. Activated Wnt/β-catenin signaling exhibits these phenomena in liver tumorigenesis through the expression of downstream target genes, and the molecular basis is still poorly understood. In this review, we describe the physiological roles of Wnt/b-catenin signaling and then discuss their characteristic changes by the abnormal activation of Wnt/b-catenin signaling. Clarification of the mechanism would contribute to the development of therapeutic agents in the future.
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Affiliation(s)
- Shinji Matsumoto
- Departments of Molecular Biology and Biochemistry, Graduate School of Medicine, Osaka University, 2-2 Yamada-Oka, Suita, Osaka, 565-0871, Japan.
- Integrated Frontier Research for Medical Science Division, Institute for Open and Transdisciplinary Research Initiatives (OTRI), 2-2 Yamada-Oka, Suita, Osaka, 565-0871, Japan.
| | - Akira Kikuchi
- Departments of Molecular Biology and Biochemistry, Graduate School of Medicine, Osaka University, 2-2 Yamada-Oka, Suita, Osaka, 565-0871, Japan
- Center of Infectious Disease Education and Research (CiDER), Osaka University, 2-8 Yamada-Oka, Suita, Osaka, 565-0871, Japan
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Iacobini C, Vitale M, Haxhi J, Menini S, Pugliese G. Impaired Remodeling of White Adipose Tissue in Obesity and Aging: From Defective Adipogenesis to Adipose Organ Dysfunction. Cells 2024; 13:763. [PMID: 38727299 PMCID: PMC11083890 DOI: 10.3390/cells13090763] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/02/2024] [Revised: 04/22/2024] [Accepted: 04/25/2024] [Indexed: 05/13/2024] Open
Abstract
The adipose organ adapts and responds to internal and environmental stimuli by remodeling both its cellular and extracellular components. Under conditions of energy surplus, the subcutaneous white adipose tissue (WAT) is capable of expanding through the enlargement of existing adipocytes (hypertrophy), followed by de novo adipogenesis (hyperplasia), which is impaired in hypertrophic obesity. However, an impaired hyperplastic response may result from various defects in adipogenesis, leading to different WAT features and metabolic consequences, as discussed here by reviewing the results of the studies in animal models with either overexpression or knockdown of the main molecular regulators of the two steps of the adipogenesis process. Moreover, impaired WAT remodeling with aging has been associated with various age-related conditions and reduced lifespan expectancy. Here, we delve into the latest advancements in comprehending the molecular and cellular processes underlying age-related changes in WAT function, their involvement in common aging pathologies, and their potential as therapeutic targets to influence both the health of elderly people and longevity. Overall, this review aims to encourage research on the mechanisms of WAT maladaptation common to conditions of both excessive and insufficient fat tissue. The goal is to devise adipocyte-targeted therapies that are effective against both obesity- and age-related disorders.
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Murdolo G, Bartolini D, Tortoioli C, Vermigli C, Piroddi M, Galli F. Accumulation of 4-Hydroxynonenal Characterizes Diabetic Fat and Modulates Adipogenic Differentiation of Adipose Precursor Cells. Int J Mol Sci 2023; 24:16645. [PMID: 38068967 PMCID: PMC10705911 DOI: 10.3390/ijms242316645] [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: 10/02/2023] [Revised: 11/17/2023] [Accepted: 11/21/2023] [Indexed: 12/18/2023] Open
Abstract
Redox imbalance in fat tissue appears to be causative of impaired glucose homeostasis. This "proof-of-concept" study investigated whether the peroxidation by-product of polyunsaturated n-6 fatty acids, namely 4-hydroxynonenal (4-HNE), is formed by, and accumulates in, the adipose tissue (AT) of obese patients with type 2 diabetes (OBT2D) as compared with lean, nondiabetic control subjects (CTRL). Moreover, we studied the effects of 4-HNE on the cell viability and adipogenic differentiation of adipose-derived stem cells (ASCs). Protein-HNE adducts in subcutaneous abdominal AT (SCAAT) biopsies from seven OBT2D and seven CTRL subjects were assessed using Western blot. The effects of 4-HNE were then studied in primary cultures of ASCs, focusing on cell viability, adipogenic differentiation, and the "canonical" Wnt and MAPK signaling pathways. When compared with the controls, the OBT2D patients displayed increased HNE-protein adducts in the SCAAT. The exposure of ASCs to 4-HNE fostered ROS production and led to a time- and concentration-dependent decrease in cell viability. Notably, at concentrations that did not affect cell viability (1 μM), 4-HNE hampered adipogenic ASCs' differentiation through a timely-regulated activation of the Wnt/β-catenin, p38MAPK, ERK1/2- and JNK-mediated pathways. These "hypothesis-generating" data suggest that the increased accumulation of 4-HNE in the SCAAT of obese patients with type 2 diabetes may detrimentally affect adipose precursor cell differentiation, possibly contributing to the obesity-associated derangement of glucose homeostasis.
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Affiliation(s)
- Giuseppe Murdolo
- Department of Internal Medicine, Endocrinology and Metabolism, Azienda Ospedaliera S. Maria Misericordia, University of Perugia, Piazzale Gambuli, I-06081 Perugia, Italy (C.V.)
| | - Desirée Bartolini
- Department of Pharmaceutical Sciences, Section of Applied Biochemistry and Nutritional Sciences, University of Perugia, I-06081 Perugia, Italy (F.G.)
| | - Cristina Tortoioli
- Department of Internal Medicine, Endocrinology and Metabolism, Azienda Ospedaliera S. Maria Misericordia, University of Perugia, Piazzale Gambuli, I-06081 Perugia, Italy (C.V.)
| | - Cristiana Vermigli
- Department of Internal Medicine, Endocrinology and Metabolism, Azienda Ospedaliera S. Maria Misericordia, University of Perugia, Piazzale Gambuli, I-06081 Perugia, Italy (C.V.)
| | | | - Francesco Galli
- Department of Pharmaceutical Sciences, Section of Applied Biochemistry and Nutritional Sciences, University of Perugia, I-06081 Perugia, Italy (F.G.)
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Nualart F, Cifuentes M, Ramírez E, Martínez F, Barahona MJ, Ferrada L, Saldivia N, Bongarzone ER, Thorens B, Salazar K. Hyperglycemia increases SCO-spondin and Wnt5a secretion into the cerebrospinal fluid to regulate ependymal cell beating and glucose sensing. PLoS Biol 2023; 21:e3002308. [PMID: 37733692 PMCID: PMC10513282 DOI: 10.1371/journal.pbio.3002308] [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: 02/02/2023] [Accepted: 08/22/2023] [Indexed: 09/23/2023] Open
Abstract
Hyperglycemia increases glucose concentrations in the cerebrospinal fluid (CSF), activating glucose-sensing mechanisms and feeding behavior in the hypothalamus. Here, we discuss how hyperglycemia temporarily modifies ependymal cell ciliary beating to increase hypothalamic glucose sensing. A high level of glucose in the rat CSF stimulates glucose transporter 2 (GLUT2)-positive subcommissural organ (SCO) cells to release SCO-spondin into the dorsal third ventricle. Genetic inactivation of mice GLUT2 decreases hyperglycemia-induced SCO-spondin secretion. In addition, SCO cells secrete Wnt5a-positive vesicles; thus, Wnt5a and SCO-spondin are found at the apex of dorsal ependymal cilia to regulate ciliary beating. Frizzled-2 and ROR2 receptors, as well as specific proteoglycans, such as glypican/testican (essential for the interaction of Wnt5a with its receptors) and Cx43 coupling, were also analyzed in ependymal cells. Finally, we propose that the SCO-spondin/Wnt5a/Frizzled-2/Cx43 axis in ependymal cells regulates ciliary beating, a cyclic and adaptive signaling mechanism to control glucose sensing.
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Affiliation(s)
- Francisco Nualart
- Laboratory of Neurobiology and Stem Cells, NeuroCellT, Department of Cellular Biology, Faculty of Biological Sciences, University of Concepcion, Concepcion, Chile
- Center for Advanced Microscopy CMA BIO BIO, University of Concepcion, Concepcion, Chile
| | - Manuel Cifuentes
- Department of Cell Biology, Genetics and Physiology, University of Malaga, Málaga Biomedical Research Institute and Nanomedicine Platform (IBIMA-BIONAND Platform), Malaga, Spain
| | - Eder Ramírez
- Center for Advanced Microscopy CMA BIO BIO, University of Concepcion, Concepcion, Chile
| | - Fernando Martínez
- Laboratory of Neurobiology and Stem Cells, NeuroCellT, Department of Cellular Biology, Faculty of Biological Sciences, University of Concepcion, Concepcion, Chile
| | - María José Barahona
- Center for Advanced Microscopy CMA BIO BIO, University of Concepcion, Concepcion, Chile
| | - Luciano Ferrada
- Center for Advanced Microscopy CMA BIO BIO, University of Concepcion, Concepcion, Chile
| | - Natalia Saldivia
- Laboratory of Neurobiology and Stem Cells, NeuroCellT, Department of Cellular Biology, Faculty of Biological Sciences, University of Concepcion, Concepcion, Chile
| | - Ernesto R. Bongarzone
- Department of Anatomy and Cell Biology, College of Medicine, University of Illinois at Chicago, Chicago, Illinois, United States of America
| | - Bernard Thorens
- Center for Integrative Genomics, University of Lausanne, Lausanne, Switzerland
| | - Katterine Salazar
- Laboratory of Neurobiology and Stem Cells, NeuroCellT, Department of Cellular Biology, Faculty of Biological Sciences, University of Concepcion, Concepcion, Chile
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Kishimoto H, Iwasaki M, Wada K, Horitani K, Tsukamoto O, Kamikubo K, Nomura S, Matsumoto S, Harada T, Motooka D, Okuzaki D, Takashima S, Komuro I, Kikuchi A, Shiojima I. Wnt5a-YAP signaling axis mediates mechanotransduction in cardiac myocytes and contributes to contractile dysfunction induced by pressure overload. iScience 2023; 26:107146. [PMID: 37456848 PMCID: PMC10338234 DOI: 10.1016/j.isci.2023.107146] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/07/2022] [Revised: 03/31/2023] [Accepted: 06/12/2023] [Indexed: 07/18/2023] Open
Abstract
Non-canonical Wnt signaling activated by Wnt5a/Wnt11 is required for the second heart field development in mice. However, the pathophysiological role of non-canonical Wnt signaling in the adult heart has not been fully elucidated. Here we show that cardiomyocyte-specific Wnt5a knockout mice exhibit improved systolic function and reduced expression of mechanosensitive genes including Nppb when subjected to pressure overload. In cultured cardiomyocytes, Wnt5a knockdown reduced Nppb upregulation induced by cyclic cell stretch. Upstream analysis revealed that TEAD1, a transcription factor that acts with Hippo pathway co-activator YAP, was downregulated both in vitro and in vivo by Wnt5a knockdown/knockout. YAP nuclear translocation was induced by cell stretch and attenuated by Wnt5a knockdown. Wnt5a knockdown-induced Nppb downregulation during cell stretch was rescued by Hippo inhibition, and the rescue effect was canceled by knockdown of YAP. These results collectively suggest that Wnt5a-YAP signaling axis mediates mechanotransduction in cardiomyocytes and contributes to heart failure progression.
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Affiliation(s)
- Hiroshi Kishimoto
- Department of Medicine II, Kansai Medical University, Osaka 573-1010, Japan
| | - Masayoshi Iwasaki
- Department of Medicine II, Kansai Medical University, Osaka 573-1010, Japan
| | - Kensaku Wada
- Department of Medicine II, Kansai Medical University, Osaka 573-1010, Japan
| | - Keita Horitani
- Department of Medicine II, Kansai Medical University, Osaka 573-1010, Japan
| | - Osamu Tsukamoto
- Department of Medical Biochemistry, Osaka University Graduate School of Medicine, Osaka 565-0871, Japan
| | - Kenta Kamikubo
- Department of Medical Biochemistry, Osaka University Graduate School of Medicine, Osaka 565-0871, Japan
| | - Seitaro Nomura
- Department of Cardiovascular Medicine, Graduate School of Medicine, The University of Tokyo, Tokyo 113-8655, Japan
| | - Shinji Matsumoto
- Department of Molecular Biology and Biochemistry, Osaka University Graduate School of Medicine, Osaka 565-0871, Japan
| | - Takeshi Harada
- Department of Molecular Biology and Biochemistry, Osaka University Graduate School of Medicine, Osaka 565-0871, Japan
| | - Daisuke Motooka
- Genome Information Research Center, Research Institute for Microbial Diseases, Osaka University, Osaka 565-0871, Japan
| | - Daisuke Okuzaki
- Genome Information Research Center, Research Institute for Microbial Diseases, Osaka University, Osaka 565-0871, Japan
| | - Seiji Takashima
- Department of Medical Biochemistry, Osaka University Graduate School of Medicine, Osaka 565-0871, Japan
| | - Issei Komuro
- Department of Cardiovascular Medicine, Graduate School of Medicine, The University of Tokyo, Tokyo 113-8655, Japan
| | - Akira Kikuchi
- Department of Molecular Biology and Biochemistry, Osaka University Graduate School of Medicine, Osaka 565-0871, Japan
- Center for Infectious Disease Education and Research, Osaka University, Osaka 565-0871, Japan
| | - Ichiro Shiojima
- Department of Medicine II, Kansai Medical University, Osaka 573-1010, Japan
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Wu S, Wang W, Li Q, Li J, Dong M, Zhou X, Wang L, Song L. CgWnt-1 regulates haemocyte proliferation during immune response of oyster Crassostrea gigas. DEVELOPMENTAL AND COMPARATIVE IMMUNOLOGY 2023; 146:104744. [PMID: 37230373 DOI: 10.1016/j.dci.2023.104744] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/06/2023] [Revised: 05/21/2023] [Accepted: 05/23/2023] [Indexed: 05/27/2023]
Abstract
Recent findings regarding the immunomodulatory role of Wnt signaling suggest that it is significant in regulating the differentiation and proliferation of immune cells. In the present study, a Wnt-1 homolog (designated as CgWnt-1) with a conserved WNT1 domain was identified from oyster Crassostrea gigas. The transcripts of CgWnt-1 were barely expressed in egg to gastrula stage during early embryogenesis, and up-regulated significantly in the trochophore to juvenile stage. The mRNA transcripts of CgWnt-1 were detected in different tissues of adult oyster, with an extremely high expression level in the mantle, which was 77.38-fold (p < 0.05) of that in labial palp. After Vibrio splendidus stimulation, the mRNA expression levels of CgWnt-1 and Cgβ-catenin in haemocytes up-regulated significantly at 3, 12, 24, and 48 h (p < 0.05). After injection of recombinant protein (rCgWnt-1) into oyster in vivo, the expressions of Cgβ-catenin, cell proliferation related genes CgRunx-1 and CgCDK-2 in haemocytes significantly up-regulated, which were 4.86-fold (p < 0.05), 9.33-fold (p < 0.05), 6.09-fold (p < 0.05) of those in rTrx group, respectively. The percentage of EDU+ cells in haemocytes also significantly increased (2.88-fold of that in control group, p < 0.05) at 12 h after rCgWnt-1 treatment. When the Wnt signal inhibitor C59 was injected simultaneously with rCgWnt-1, the expressions of Cgβ-catenin, CgRunx-1, and CgCDK-2 were significantly reduced, which were 0.32-fold (p < 0.05), 0.16-fold (p < 0.05), and 0.25-fold (p < 0.05) of that in rCgWnt-1 group, respectively, and the percentage of EDU+ cells in haemocytes was also significantly inhibited (0.15-fold compared with that in rCgWnt-1 group, p < 0.05). These results suggested that the conserved CgWnt-1 could modulate haemocytes proliferation via regulating cell cycle related genes and involved in the immune response of oysters.
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Affiliation(s)
- Shasha Wu
- Liaoning Key Laboratory of Marine Animal Immunology and Disease Control, Dalian Ocean University, Dalian, 116023, China; Liaoning Key Laboratory of Marine Animal Immunology, Dalian Ocean University, Dalian, 116023, China; Dalian Key Laboratory of Aquatic Animal Disease Prevention and Control, Dalian Ocean University, Dalian, 116023, China
| | - Weilin Wang
- Liaoning Key Laboratory of Marine Animal Immunology and Disease Control, Dalian Ocean University, Dalian, 116023, China; Liaoning Key Laboratory of Marine Animal Immunology, Dalian Ocean University, Dalian, 116023, China; Dalian Key Laboratory of Aquatic Animal Disease Prevention and Control, Dalian Ocean University, Dalian, 116023, China.
| | - Qing Li
- Liaoning Key Laboratory of Marine Animal Immunology and Disease Control, Dalian Ocean University, Dalian, 116023, China; Liaoning Key Laboratory of Marine Animal Immunology, Dalian Ocean University, Dalian, 116023, China; Dalian Key Laboratory of Aquatic Animal Disease Prevention and Control, Dalian Ocean University, Dalian, 116023, China
| | - Jialuo Li
- Liaoning Key Laboratory of Marine Animal Immunology and Disease Control, Dalian Ocean University, Dalian, 116023, China; Liaoning Key Laboratory of Marine Animal Immunology, Dalian Ocean University, Dalian, 116023, China; Dalian Key Laboratory of Aquatic Animal Disease Prevention and Control, Dalian Ocean University, Dalian, 116023, China
| | - Miren Dong
- Liaoning Key Laboratory of Marine Animal Immunology and Disease Control, Dalian Ocean University, Dalian, 116023, China; Liaoning Key Laboratory of Marine Animal Immunology, Dalian Ocean University, Dalian, 116023, China; Dalian Key Laboratory of Aquatic Animal Disease Prevention and Control, Dalian Ocean University, Dalian, 116023, China
| | - Xiaoxu Zhou
- Liaoning Key Laboratory of Marine Animal Immunology and Disease Control, Dalian Ocean University, Dalian, 116023, China; Liaoning Key Laboratory of Marine Animal Immunology, Dalian Ocean University, Dalian, 116023, China; Dalian Key Laboratory of Aquatic Animal Disease Prevention and Control, Dalian Ocean University, Dalian, 116023, China
| | - Lingling Wang
- Liaoning Key Laboratory of Marine Animal Immunology and Disease Control, Dalian Ocean University, Dalian, 116023, China; Liaoning Key Laboratory of Marine Animal Immunology, Dalian Ocean University, Dalian, 116023, China; Dalian Key Laboratory of Aquatic Animal Disease Prevention and Control, Dalian Ocean University, Dalian, 116023, China
| | - Linsheng Song
- Liaoning Key Laboratory of Marine Animal Immunology and Disease Control, Dalian Ocean University, Dalian, 116023, China; Functional Laboratory of Marine Fisheries Science and Food Production Process, Qingdao National Laboratory for Marine Science and Technology, Qingdao, 266235, China; Liaoning Key Laboratory of Marine Animal Immunology, Dalian Ocean University, Dalian, 116023, China; Dalian Key Laboratory of Aquatic Animal Disease Prevention and Control, Dalian Ocean University, Dalian, 116023, China
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Da Silva F, Niehrs C. Multimodal Wnt signalling in the mouse neocortex. Cells Dev 2023; 174:203838. [PMID: 37060946 DOI: 10.1016/j.cdev.2023.203838] [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: 01/26/2023] [Revised: 03/30/2023] [Accepted: 04/08/2023] [Indexed: 04/17/2023]
Abstract
The neocortex is the site of higher cognitive functions and its development is tightly regulated by cell signalling pathways. Wnt signalling is inexorably linked with neocortex development but its precise role remains unclear. Most studies demonstrate that Wnt/β-catenin regulates neural progenitor self-renewal but others suggest it can also promote differentiation. Wnt/STOP signalling is a novel branch of the Wnt pathway that stabilizes proteins during G2/M by inhibiting glycogen synthase kinase 3 (GSK3)-mediated protein degradation. Recent data from Da Silva et al. (2021) demonstrate that Wnt/STOP is involved in neocortex development where, by stabilizing the neurogenic transcription factors Sox4 and Sox11, it promotes neural progenitor differentiation. The authors also show that Wnt/STOP regulates asymmetric cell division and cell cycle dynamics in apical and basal progenitors, respectively. This study reveals a division of labour in the Wnt signalling pathway by suggesting that Wnt/STOP is the primary driver of cortical neurogenesis while Wnt/β-catenin is mainly responsible for self-renewal. These results resolve a decades-old question on the role of Wnt signalling in cortical neural progenitors.
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Affiliation(s)
- Fabio Da Silva
- Division of Molecular Embryology, DKFZ-ZMBH Alliance, Deutsches Krebsforschungszentrum (DKFZ), 69120 Heidelberg, Germany
| | - Christof Niehrs
- Division of Molecular Embryology, DKFZ-ZMBH Alliance, Deutsches Krebsforschungszentrum (DKFZ), 69120 Heidelberg, Germany; Institute of Molecular Biology (IMB), 55128 Mainz, Germany.
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10
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Doucet D, Brubaker C, Turner D, Gregory CA. Factors affecting the role of canonical Wnt inhibitor Dickkopf-1 in cancer progression. Front Oncol 2023; 13:1114822. [PMID: 37007131 PMCID: PMC10050559 DOI: 10.3389/fonc.2023.1114822] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/02/2022] [Accepted: 03/01/2023] [Indexed: 03/17/2023] Open
Abstract
BackgroundThe canonical Wnt inhibitor Dickkopf-1 (Dkk-1) has the capacity to modulate homeostasis between canonical and non-canonical Wnt pathways and also signal independently of Wnt. The specific effects of Dkk-1 activity on tumor physiology are therefore unpredictable with examples of Dkk-1 serving as either a driver or suppressor of malignancy. Given that Dkk-1 blockade may serve as a potential treatment for some types of cancer, we questioned whether it is possible to predict the role of Dkk-1 on tumor progression based on the tissue origin of the tumor.MethodsOriginal research articles that described Dkk-1 in terms a tumor suppressor or driver of cancer growth were identified. To determine the association between tumor developmental origin and the role of Dkk-1, a logistic regression was performed. The Cancer Genome Atlas database was interrogated for survival statistics based on tumor Dkk-1 expression.ResultsWe report that Dkk-1 is statistically more likely to serve as a suppressor in tumors arising from the ectoderm (p = 0.0198) or endoderm (p = 0.0334) but more likely to serve as a disease driver in tumors of mesodermal origin (p = 0.0155). Survival analyses indicated that in cases where Dkk-1 expression could be stratified, high Dkk-1 expression is usually associated with poor prognosis. This in part may be due to pro-tumorigenic role Dkk-1 plays on tumor cells but also through its influence on immunomodulatory and angiogenic processes in the tumor stroma.ConclusionDkk-1 has a context-specific dual role as a tumor suppressor or driver. Dkk-1 is significantly more likely to serve as a tumor suppressor in tumors arising from ectoderm and endoderm while the converse is true for mesodermal tumors. Patient survival data indicated high Dkk-1 expression is generally a poor prognostic indicator. These findings provide further support for the importance of Dkk-1 as a therapeutic cancer target in some cases.
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Affiliation(s)
- Dakota Doucet
- Medical Sciences Program, Texas A&M Health Science Center School of Medicine, Texas A&M University, Bryan, TX, United States
| | - Connor Brubaker
- Department of Statistics, Texas A&M University, College Station, TX, United States
| | - Donald Turner
- Department of Statistics, Texas A&M University, College Station, TX, United States
| | - Carl A. Gregory
- Department of Cell Biology and Genetics, Texas A&M Health Science Center School of Medicine, Texas A&M University, Bryan, TX, United States
- *Correspondence: Carl A. Gregory,
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N-Glycosylation of LRP6 by B3GnT2 Promotes Wnt/β-Catenin Signalling. Cells 2023; 12:cells12060863. [PMID: 36980204 PMCID: PMC10047360 DOI: 10.3390/cells12060863] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/31/2023] [Revised: 03/07/2023] [Accepted: 03/08/2023] [Indexed: 03/12/2023] Open
Abstract
Reception of Wnt signals by cells is predominantly mediated by Frizzled receptors in conjunction with a co-receptor, the latter being LRP6 or LRP5 for the Wnt/β-catenin signalling pathway. It is important that cells maintain precise control of receptor activation events in order to properly regulate Wnt/β-catenin signalling as aberrant signalling can result in disease in humans. Phosphorylation of the intracellular domain (ICD) of LRP6 is well known to regulate Wntβ-catenin signalling; however, less is known for regulatory post-translational modification events within the extracellular domain (ECD). Using a cell culture-based expression screen for functional regulators of LRP6, we identified a glycosyltransferase, B3GnT2-like, from a teleost fish (medaka) cDNA library, that modifies LRP6 and regulates Wnt/β-catenin signalling. We provide both gain-of-function and loss-of-function evidence that the single human homolog, B3GnT2, promotes extension of polylactosamine chains at multiple N-glycans on LRP6, thereby enhancing trafficking of LRP6 to the plasma membrane and promoting Wnt/β-catenin signalling. Our findings further highlight the importance of LRP6 as a regulatory hub in Wnt signalling and provide one of the few examples of how a specific glycosyltransferase appears to selectively target a signalling pathway component to alter cellular signalling events.
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12
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Yang L, Li GY, Li XY, Wu CY, Wang J, Song QS, Stanley D, Wei SJ, Zhu JY. The Wnt gene family in Tenebrio molitor and other coleopterans. ARCHIVES OF INSECT BIOCHEMISTRY AND PHYSIOLOGY 2022; 111:e21915. [PMID: 35584033 DOI: 10.1002/arch.21915] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/10/2022] [Revised: 04/30/2022] [Accepted: 05/03/2022] [Indexed: 06/15/2023]
Abstract
The Wnt gene family is involved in a wide range of developmental processes. Despite its significance, the evolution and function of Wnt genes remain largely unclear. Here, an exhaustive survey of Wnt genes was conducted in Tenebrio molitor and 17 other beetle genomes. A total of 146 Wnt genes were identified, creating a comprehensive coleopteran Wnt gene catalog. Comparative genomics indicates that dynamic evolutionary patterns of Wnt gene loss and duplication occurred in Coleoptera, leading to the diverse Wnt gene repertoire in various beetles. A striking loss of particular Wnt gene subfamilies occurs in Coleoptera. Remarkably, Wnt gene duplication was discovered for the first time in insects. Further analysis of Wnt gene expression in T. molitor indicates that each Wnt gene, including the duplicated ones, has a unique spatial or temporal expression pattern. The current study provides valuable insight into the evolution and functional validation of Wnt genes in Coleoptera.
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Affiliation(s)
- Lin Yang
- Key Laboratory of Forest Disaster Warning and Control of Yunnan Province, Southwest Forestry University, Kunming, China
| | - Guang-Ya Li
- Key Laboratory of Forest Disaster Warning and Control of Yunnan Province, Southwest Forestry University, Kunming, China
| | - Xing-Yan Li
- Key Laboratory of Forest Disaster Warning and Control of Yunnan Province, Southwest Forestry University, Kunming, China
| | - Chao-Yan Wu
- Key Laboratory of Forest Disaster Warning and Control of Yunnan Province, Southwest Forestry University, Kunming, China
| | - Jun Wang
- Key Laboratory of Forest Disaster Warning and Control of Yunnan Province, Southwest Forestry University, Kunming, China
| | - Qi-Sheng Song
- Division of Plant Science and Technology, University of Missouri, Columbia, Missouri, USA
| | - David Stanley
- USDA/ARS Biological Control of Insects Research Laboratory, Columbia, Missouri, USA
| | - Shu-Jun Wei
- Key Laboratory of Forest Disaster Warning and Control of Yunnan Province, Southwest Forestry University, Kunming, China
- Institute of Plant Protection, Beijing Academy of Agriculture and Forestry Sciences, Beijing, China
| | - Jia-Ying Zhu
- Key Laboratory of Forest Disaster Warning and Control of Yunnan Province, Southwest Forestry University, Kunming, China
- Key Laboratory for Forest Resources Conservation and Utilization in the Southwest Mountains of China, Ministry of Education, Southwest Forestry University, Kunming, China
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13
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Avery D, Morandini L, Sheakley LS, Shah AH, Bui L, Abaricia JO, Olivares-Navarrete R. Canonical Wnt signaling enhances pro-inflammatory response to titanium by macrophages. Biomaterials 2022; 289:121797. [PMID: 36156410 PMCID: PMC10262842 DOI: 10.1016/j.biomaterials.2022.121797] [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: 05/12/2022] [Revised: 08/22/2022] [Accepted: 09/05/2022] [Indexed: 11/19/2022]
Abstract
Biomaterial characteristics like surface roughness and wettability can determine the phenotype of macrophages following implantation. We have demonstrated that inhibiting Wnt ligand secretion abolishes macrophage polarization in vitro and in vivo; however, the role of canonical Wnt signaling in macrophage activation in response to physical and chemical biomaterial cues is unknown. The aim of this study was to understand whether canonical Wnt signaling affects the response of macrophages to titanium (Ti) surface roughness or wettability in vitro and in vivo. Activating canonical Wnt signaling increased expression of toll-like receptors and interleukin receptors and secreted pro-inflammatory cytokines and reduced anti-inflammatory cytokines on Ti, regardless of surface properties. Inhibiting canonical Wnt signaling reduced pro-inflammatory cytokines on all Ti surfaces and increased anti-inflammatory cytokines on rough or rough-hydrophilic Ti. In vivo, activating canonical Wnt signaling increased total macrophages, pro-inflammatory macrophages, and T cells and decreased anti-inflammatory macrophages on both smooth and rough-hydrophilic implants. Functionally, canonical Wnt activation increases pro-inflammatory macrophage response to cell and cell-extracellular matrix lysates. These results demonstrate that activating canonical Wnt signaling primes macrophages to a pro-inflammatory phenotype that affects their response to Ti implants in vitro and in vivo.
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Affiliation(s)
- Derek Avery
- Department of Biomedical Engineering, College of Engineering, Virginia Commonwealth University, Richmond, VA, United States
| | - Lais Morandini
- Department of Biomedical Engineering, College of Engineering, Virginia Commonwealth University, Richmond, VA, United States
| | - Luke S Sheakley
- Department of Biomedical Engineering, College of Engineering, Virginia Commonwealth University, Richmond, VA, United States
| | - Arth H Shah
- Department of Biomedical Engineering, College of Engineering, Virginia Commonwealth University, Richmond, VA, United States
| | - Loc Bui
- Department of Biomedical Engineering, College of Engineering, Virginia Commonwealth University, Richmond, VA, United States
| | - Jefferson O Abaricia
- Department of Biomedical Engineering, College of Engineering, Virginia Commonwealth University, Richmond, VA, United States
| | - Rene Olivares-Navarrete
- Department of Biomedical Engineering, College of Engineering, Virginia Commonwealth University, Richmond, VA, United States.
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14
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Fu Y, Ma D, Fan F, Sun T, Han R, Yang Y, Zhang J. Noncanonical Wnt5a Signaling Suppresses Hippo/TAZ-Mediated Osteogenesis Partly Through the Canonical Wnt Pathway in SCAPs. Drug Des Devel Ther 2022; 16:469-483. [PMID: 35237028 PMCID: PMC8882979 DOI: 10.2147/dddt.s350698] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/02/2021] [Accepted: 02/06/2022] [Indexed: 11/23/2022] Open
Abstract
Purpose Stem cells from the apical papilla (SCAPs) are promising seed cells for tissue regeneration medicine and possess the osteogenic differentiation potential. Wnt5a, a typical ligand of the noncanonical Wnt pathway, exhibits diverse roles in the regulation of osteogenesis. The transcriptional co-activator with PDZ-binding motif (TAZ, WWTR1) is a core regulator in the Hippo pathway and regulates stem behavior including osteogenic differentiation. This study aims to examine how Wnt5a regulates SCAPs osteogenesis and explore the precise mechanistic relationship between Wnt5a and TAZ. Methods SCAPs were isolated from developing apical papilla tissue of extracted human immature third molars in vitro. ALP staining, ALP activity and Alizarin red staining were used to evaluate osteogenic capacity. Osteogenic-related factors were assessed by qRT-PCR or Western blotting. Additionally, the receptor tyrosine kinase-like orphan receptor 2 (ROR2) was detected by immunocytofluorescence staining and silenced by small interfering RNA to verify the function of Wnt5a/ROR2 in TAZ-mediated osteogenesis. And we constructed TAZ-overexpression and β-catenin-overexpression SCAPs generated by lentivirus to explore the precise mechanistic relationship between Wnt5a and TAZ. Results Wnt5a (100ng/mL) significantly suppressed ALP activity, mineralization nodules formation, expression of osteogenic-related factors. Meanwhile, it decreased the expression of TAZ mRNA and protein. TAZ overexpression promoted osteogenesis of SCAPs while Wnt5a could block TAZ-mediated osteogenesis. Furthermore, ROR2 siRNA (siROR2) was found to upregulate TAZ and canonical Wnt pathway signaling related molecules such as β-catenin, GSK3β and p-GSK3β. The suppression of Wnt5a/ROR2 on osteogenesis was significantly reversed by β-catenin overexpression through Wnt5a/ROR2/β-catenin/TAZ pathway. Conclusion Taken together, the present study demonstrates that Wnt5a suppresses TAZ-mediated osteogenesis of SCAPs and there may be a Wnt5a/ROR2/β-catenin/TAZ pathway regulating osteogenesis of SCAPs. Moreover, Wnt5a could be a candidate for regulators in tissue regeneration.
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Affiliation(s)
- Yajing Fu
- Shandong University & Shandong Key Laboratory of Oral Tissue Regeneration & Shandong Engineering Laboratory for Dental Materials and Oral Tissue Regeneration, Department of Orthodontics, School and Hospital of Stomatology, Cheeloo College of Medicine, Shandong University, Jinan, People’s Republic of China
| | - Dan Ma
- Department of Orthodontics, Shandong Provincial Hospital Affiliated to Shandong First Medical University, Jinan, People’s Republic of China
| | - Fengyan Fan
- Department of Orthodontics, Hangzhou Stomatological Hospital, Hangzhou, People’s Republic of China
| | - Tongke Sun
- Shandong University & Shandong Key Laboratory of Oral Tissue Regeneration & Shandong Engineering Laboratory for Dental Materials and Oral Tissue Regeneration, Department of Orthodontics, School and Hospital of Stomatology, Cheeloo College of Medicine, Shandong University, Jinan, People’s Republic of China
| | - Ruiqi Han
- Shandong University & Shandong Key Laboratory of Oral Tissue Regeneration & Shandong Engineering Laboratory for Dental Materials and Oral Tissue Regeneration, Department of Orthodontics, School and Hospital of Stomatology, Cheeloo College of Medicine, Shandong University, Jinan, People’s Republic of China
| | - Yanran Yang
- Shandong University & Shandong Key Laboratory of Oral Tissue Regeneration & Shandong Engineering Laboratory for Dental Materials and Oral Tissue Regeneration, Department of Orthodontics, School and Hospital of Stomatology, Cheeloo College of Medicine, Shandong University, Jinan, People’s Republic of China
| | - Jun Zhang
- Shandong University & Shandong Key Laboratory of Oral Tissue Regeneration & Shandong Engineering Laboratory for Dental Materials and Oral Tissue Regeneration, Department of Orthodontics, School and Hospital of Stomatology, Cheeloo College of Medicine, Shandong University, Jinan, People’s Republic of China
- Correspondence: Jun Zhang, Shandong University & Shandong Key Laboratory of Oral Tissue Regeneration & Shandong Engineering Laboratory for Dental Materials and Oral Tissue Regeneration, Department of Orthodontics, School and Hospital of Stomatology, Cheeloo College of Medicine, Shandong University, No. 44-1 Wenhua Road West, Jinan, People’s Republic of China, Tel +86 139 5310 9816, Email
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15
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Kikuchi A, Matsumoto S, Sada R. Dickkopf signaling, beyond Wnt-mediated biology. Semin Cell Dev Biol 2021; 125:55-65. [PMID: 34801396 DOI: 10.1016/j.semcdb.2021.11.003] [Citation(s) in RCA: 20] [Impact Index Per Article: 6.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/12/2021] [Revised: 11/02/2021] [Accepted: 11/04/2021] [Indexed: 02/07/2023]
Abstract
Dickkopf1 (DKK1) was originally identified as a secreted protein that antagonizes Wnt signaling. Although DKK1 is essential for the developmental process, its functions in postnatal and adult life are unclear. However, evidence is accumulating that DKK1 is involved in tumorigenesis in a manner unrelated to Wnt signaling. In addition, recent studies have revealed that DKK1 may control immune reactions, although the relationship of this to Wnt signaling is unknown. Other DKK family members, DKK2-4, are likely to have their own functions. Here, we review the possible novel functions of DKKs. We summarize the characteristics of receptors of DKKs and the signaling mechanisms through DKKs and their receptors, provide evidence showing that DKKs are involved in tumor aggressiveness independently of Wnt signaling, and emphasize promising cancer therapies targeting DKKs and receptors. Lastly, we discuss various physiological and pathological processes controlled by DKKs.
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Affiliation(s)
- Akira Kikuchi
- Department of Biochemistry and Molecular Biology, Graduate School of Medicine, Osaka University, 2-2 Yamada-oka, Suita 565-0871, Osaka, Japan.
| | - Shinji Matsumoto
- Department of Biochemistry and Molecular Biology, Graduate School of Medicine, Osaka University, 2-2 Yamada-oka, Suita 565-0871, Osaka, Japan; Integrated Frontier Research for Medical Science Division, Institute for Open and Transdisciplinary Research Initiatives (OTRI), Osaka University, 2-2 Yamada-oka, Suita 565-0871, Osaka, Japan
| | - Ryota Sada
- Department of Biochemistry and Molecular Biology, Graduate School of Medicine, Osaka University, 2-2 Yamada-oka, Suita 565-0871, Osaka, Japan; Integrated Frontier Research for Medical Science Division, Institute for Open and Transdisciplinary Research Initiatives (OTRI), Osaka University, 2-2 Yamada-oka, Suita 565-0871, Osaka, Japan
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16
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Alcantara MC, Suzuki K, Acebedo AR, Sakamoto Y, Nishita M, Minami Y, Kikuchi A, Yamada G. Stage-dependent function of Wnt5a during male external genitalia development. Congenit Anom (Kyoto) 2021; 61:212-219. [PMID: 34255394 DOI: 10.1111/cga.12438] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 05/27/2021] [Revised: 06/19/2021] [Accepted: 06/24/2021] [Indexed: 12/27/2022]
Abstract
External genitalia development in mice involves multiple developmental processes under the regulation of various signaling pathways. Wnt5a, one of the major Wnt ligands, is a crucial developmental regulator of outgrowing organs such as the limb, the mandible, and the external genitalia. Defects in Wnt5a signaling have been linked to Robinow syndrome, a genetic disorder in which male patients manifest a micropenis and defective urethral tube formation. Whereas Wnt5a is required for cell proliferation during embryonic external genitalia outgrowth, its role for urethral tube formation has yet to be understood. Here, we show that Wnt5a contributes to urethral tube formation as well as external genitalia outgrowth. Wnt5a is expressed in the embryonic external genitalia mesenchyme, and mesenchymal-specific conditional Wnt5a knockout mice resulted in hypospadias-like urethral defects. Early deletion of Wnt5a at E10.5 showed severe defects in both external genitalia outgrowth and urethral tube formation, along with reduced cell proliferation. The severe urethral tube defect persisted during later timing deletion of Wnt5a (E13.5). Further analyses revealed that loss of Wnt5a disrupted cell polarity and led to a reduction of the phosphorylated myosin light chain and the focal adhesion protein, vinculin. Altogether, these results suggest that Wnt5a coordinates cell proliferation and directed cell migration in a stage-dependent manner during male external genitalia development. Furthermore, Wnt5a may regulate cell polarity, focal adhesion formation, and cell contractility, leading to directed cell migration during male-type urethral formation in a manner that has not been reported in other organ fusion events.
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Affiliation(s)
- Mellissa C Alcantara
- Department of Developmental Genetics, Institute of Advanced Medicine, Wakayama Medical University, Wakayama, Japan
| | - Kentaro Suzuki
- Department of Developmental Genetics, Institute of Advanced Medicine, Wakayama Medical University, Wakayama, Japan
| | - Alvin R Acebedo
- Department of Developmental Genetics, Institute of Advanced Medicine, Wakayama Medical University, Wakayama, Japan
| | - Yuki Sakamoto
- Department of Developmental Genetics, Institute of Advanced Medicine, Wakayama Medical University, Wakayama, Japan
| | - Michiru Nishita
- Department of Biochemistry, School of Medicine, Fukushima Medical University, Fukushima, Japan
| | - Yasuhiro Minami
- Faculty of Medical Sciences, Graduate School of Medicine, Kobe University, Kobe, Japan
| | - Akira Kikuchi
- Department of Molecular Biology and Biochemistry, Graduate School of Medicine, Osaka University, Osaka, Japan
| | - Gen Yamada
- Department of Developmental Genetics, Institute of Advanced Medicine, Wakayama Medical University, Wakayama, Japan
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17
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Hang K, Ying L, Bai J, Wang Y, Kuang Z, Xue D, Pan Z. Knockdown of SERPINB2 enhances the osteogenic differentiation of human bone marrow mesenchymal stem cells via activation of the Wnt/β-catenin signalling pathway. Stem Cell Res Ther 2021; 12:525. [PMID: 34620242 PMCID: PMC8499504 DOI: 10.1186/s13287-021-02581-6] [Citation(s) in RCA: 9] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/14/2021] [Accepted: 08/22/2021] [Indexed: 01/13/2023] Open
Abstract
Background Globally, bone fractures are the most common musculoskeletal trauma, and approximately 8–10% of cases that fall into the categories of delayed or non-union healing. To date, there are no efficient pharmacological agents to accelerate the healing of bone fractures. Thus, it is necessary to find new strategies that accelerate bone healing and reduce the incidence of non-union or delayed fracture healing. Previous studies have revealed that the plasminogen activation system has been demonstrated to play an important role in bone metabolism. However,
the function of SERPINB2 in the osteogenesis of hBMSCs remains unclear. Therefore, in this study, we investigated the effects and mechanism of SERPINB2 on osteogenic differentiation. Methods We investigated the osteogenesis effects of hBMSCs by both exogenous SerpinB2 protein and SERPINB2 gene silencing in vitro. Cell proliferation assay was used to assess the effect of exogenous SerpinB2 or SERPINB2 silencing on proliferation of hBMSCs. qPCR and Western blotting analysis detected the expression of target genes and proteins respectively. ALP staining was used to evaluated ALP activity and Alizarin Red staining (ARS) was used to evaluate mineral deposition. In vivo, a murie tibial fracture model was established, histological evaluation and radiographic analysis was used to confirm the therapeutic effects of SERPINB2 silencing in fracture healing. Statistical significance between two groups was determined by Student’s t test, one-way ANOVA or Bonferroni’s post-hoc test according to the distribution of the tested population. Results The addition of exogenous SerpinB2 protein inhibted osteoblast differentiation of hBMSCs in vitro, while SERPINB2 gene silencing significant promote osteoblast differentiation of hBMSCs in vitro. And silenced SERPINB2 gene also increased mineral deposits. Moreover, β-catenin levels were up-regulated by SERPINB2 gene depletion. And the enhancement of osteogenic differentiation induced by SERPINB2 silencing was almost inhibited by specific Wnt/β-catenin signaling pathway inhibitor. In a murine tibial fracture model, local injection of SERPINB2 siRNA improved bone fracture healing. Conclusions Taken together, these findings indicate that SERPINB2 silencing promoted osteogenic differentiation of BMSCs via the Wnt/β-catenin signaling pathway, and silenced SERPINB2 in vivo effectively promotes fracture healing, suggesting that SERPINB2 may be a novel target for bone fracture healing. Supplementary Information The online version contains supplementary material available at 10.1186/s13287-021-02581-6.
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Affiliation(s)
- Kai Hang
- Department of Orthopedic Surgery of the Second Affiliated Hospital, School of Medicine, Zhejiang University, No. 88, Jiefang Road, Hangzhou, 310009, China.,Orthopedics Research Institute of Zhejiang University, No. 88, Jiefang Road, Hangzhou, 310009, China
| | - Li Ying
- Department of Orthopedic Surgery of the Second Affiliated Hospital, School of Medicine, Zhejiang University, No. 88, Jiefang Road, Hangzhou, 310009, China.,Orthopedics Research Institute of Zhejiang University, No. 88, Jiefang Road, Hangzhou, 310009, China
| | - Jinwu Bai
- Department of Orthopedic Surgery of the Second Affiliated Hospital, School of Medicine, Zhejiang University, No. 88, Jiefang Road, Hangzhou, 310009, China.,Orthopedics Research Institute of Zhejiang University, No. 88, Jiefang Road, Hangzhou, 310009, China
| | - Yibo Wang
- Department of Orthopedic Surgery of the Second Affiliated Hospital, School of Medicine, Zhejiang University, No. 88, Jiefang Road, Hangzhou, 310009, China.,Orthopedics Research Institute of Zhejiang University, No. 88, Jiefang Road, Hangzhou, 310009, China
| | - Zhihui Kuang
- Department of Orthopedic Surgery of the Second Affiliated Hospital, School of Medicine, Zhejiang University, No. 88, Jiefang Road, Hangzhou, 310009, China.,Orthopedics Research Institute of Zhejiang University, No. 88, Jiefang Road, Hangzhou, 310009, China
| | - Deting Xue
- Department of Orthopedic Surgery of the Second Affiliated Hospital, School of Medicine, Zhejiang University, No. 88, Jiefang Road, Hangzhou, 310009, China. .,Orthopedics Research Institute of Zhejiang University, No. 88, Jiefang Road, Hangzhou, 310009, China.
| | - Zhijun Pan
- Department of Orthopedic Surgery of the Second Affiliated Hospital, School of Medicine, Zhejiang University, No. 88, Jiefang Road, Hangzhou, 310009, China. .,Orthopedics Research Institute of Zhejiang University, No. 88, Jiefang Road, Hangzhou, 310009, China.
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18
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Jeong W, Jho EH. Regulation of the Low-Density Lipoprotein Receptor-Related Protein LRP6 and Its Association With Disease: Wnt/β-Catenin Signaling and Beyond. Front Cell Dev Biol 2021; 9:714330. [PMID: 34589484 PMCID: PMC8473786 DOI: 10.3389/fcell.2021.714330] [Citation(s) in RCA: 21] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/25/2021] [Accepted: 08/25/2021] [Indexed: 11/13/2022] Open
Abstract
Wnt signaling plays crucial roles in development and tissue homeostasis, and its dysregulation leads to various diseases, notably cancer. Wnt/β-catenin signaling is initiated when the glycoprotein Wnt binds to and forms a ternary complex with the Frizzled and low-density lipoprotein receptor-related protein 5/6 (LRP5/6). Despite being identified as a Wnt co-receptor over 20 years ago, the molecular mechanisms governing how LRP6 senses Wnt and transduces downstream signaling cascades are still being deciphered. Due to its role as one of the main Wnt signaling components, the dysregulation or mutation of LRP6 is implicated in several diseases such as cancer, neurodegeneration, metabolic syndrome and skeletal disease. Herein, we will review how LRP6 is activated by Wnt stimulation and explore the various regulatory mechanisms involved. The participation of LRP6 in other signaling pathways will also be discussed. Finally, the relationship between LRP6 dysregulation and disease will be examined in detail.
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Affiliation(s)
- Wonyoung Jeong
- Department of Life Science, University of Seoul, Seoul, South Korea
| | - Eek-Hoon Jho
- Department of Life Science, University of Seoul, Seoul, South Korea
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19
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Stuss M, Migdalska-Sek M, Brzezianska-Lasota E, Michalska-Kasiczak M, Bazela P, Sewerynek E. Assessment of Wnt pathway selected gene expression levels in peripheral blood mononuclear cells (PBMCs) of postmenopausal patients with low bone mass. Bosn J Basic Med Sci 2021; 21:461-470. [PMID: 33357212 PMCID: PMC8292866 DOI: 10.17305/bjbms.2020.5179] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/23/2020] [Accepted: 12/17/2020] [Indexed: 12/17/2022] Open
Abstract
The purpose of the study was to assess the expression of selected genes of the Wnt pathway: APC, AXIN1, CTNNB1, DKK1, GSK3B, KREMEN1, SFRP1, and WNT1 in peripheral blood mononuclear cells (PBMC) of patients, selected in consideration of their bone mineral density (BMD), and the occurrence of low-energy fractures. The study involved 45 postmenopausal women, divided into four groups, according to BMD and fracture history. Measurements of laboratory parameters and RNA expression in PBMC cells were carried out in material, collected once at the inclusion visit. The densitometric examination was performed on all participants. In the analysis of the relative expression levels (RELs) of the studied genes in the entire population, we observed an overexpression for SFRP1 in 100% of samples and WNT1. In addition, the REL of DKK1, APC, and GSK3B genes were slightly elevated versus the calibrator. In contrast, CTNNB1 and AXIN1 presented with a slightly decreased RELs. Analysis did not show any significant differences among the groups in the relative gene expression levels (p < 0.05) of particular genes. However, we have observed quite numerous interesting correlations between the expression of the studied genes and BMD, the presence of fractures, and laboratory parameters, both in the whole studied population as well as in selected groups. In conclusion, the high level of CTNNB1 expression maintains normal BMD and/or protects against fractures. It also appears that the changes in expression levels of the Wnt pathway genes in PBMCs reflect the expected changes in bone tissue.
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Affiliation(s)
- Michal Stuss
- Department of Endocrine Disorders and Bone Metabolism, Chair of Endocrinology, Medical University of Lodz, Lodz, Poland; Outpatient Clinic of Osteoporosis, Regional Center of Menopause and Osteoporosis, Military Medical Academy Memorial Teaching Hospital of the Medical University of Lodz - Central Veterans' Hospital, Lodz, Poland
| | - Monika Migdalska-Sek
- Outpatient Clinic of Osteoporosis, Regional Center of Menopause and Osteoporosis, Military Medical Academy Memorial Teaching Hospital of the Medical University of Lodz - Central Veterans' Hospital, Lodz, Poland; Department of Biomedicine and Genetics, Chair of Biology and Medical Parasitology, Medical University of Lodz, Lodz, Poland
| | - Ewa Brzezianska-Lasota
- Department of Biomedicine and Genetics, Chair of Biology and Medical Parasitology, Medical University of Lodz, Lodz, Poland
| | - Marta Michalska-Kasiczak
- Department of Endocrine Disorders and Bone Metabolism, Chair of Endocrinology, Medical University of Lodz, Lodz, Poland
| | - Pawel Bazela
- Department of Endocrine Disorders and Bone Metabolism, Chair of Endocrinology, Medical University of Lodz, Lodz, Poland
| | - Ewa Sewerynek
- Department of Endocrine Disorders and Bone Metabolism, Chair of Endocrinology, Medical University of Lodz, Lodz, Poland; Outpatient Clinic of Osteoporosis, Regional Center of Menopause and Osteoporosis, Military Medical Academy Memorial Teaching Hospital of the Medical University of Lodz - Central Veterans' Hospital, Lodz, Poland
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20
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Effect of Wnt5a on drug resistance in estrogen receptor-positive breast cancer. Breast Cancer 2021; 28:1062-1071. [PMID: 34047951 PMCID: PMC8354951 DOI: 10.1007/s12282-021-01241-0] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/30/2020] [Accepted: 03/13/2021] [Indexed: 11/06/2022]
Abstract
Background Previously, we reported that Wnt5a-positive breast cancer can be classified as estrogen receptor (ER)-positive breast cancer; its prognosis is worse than that of Wnt5a-negative breast cancer. This study aimed to investigate the mechanisms underlying the poor prognosis in Wnt5a-positive breast cancer patients. Methods In total, 151 consecutive ER-positive breast cancer patients who underwent resection between January 2011 and February 2014 were enrolled. DNA microarray and pathway analyses were conducted using MCF-7 cells stably expressing Wnt5a [MCF-7/Wnt5a (+)]. Based on the outcomes, cell viability/drug sensitivity assays, and mutation analysis were performed using cell cultures and breast cancer tissues. The relationship between Wnt5a and the PI3K–AKT–mTOR signaling pathway was also examined. Results The relapse-free survival rate in patients with Wnt5a-positive breast cancer was significantly lower than that in patients with Wnt5a-negative breast cancer (P = 0.047). DNA microarray data suggest that only the cytochrome P450 (CYP) pathway was significantly upregulated in MCF-7/Wnt5a (+) cells (P = 0.0440). Additionally, MCF-7/Wnt5a (+) cells displayed reduced sensitivity to the metabolic substrates of CYP, tamoxifen (P < 0.001), paclitaxel (P < 0.001), and cyclophosphamide (P < 0.001). Of note, PIK3CA mutations were not associated with the expression of Wnt5a in breast cancer tissue and culture cells. Conclusions In ER-positive breast cancer, Wnt5a upregulates the CYP metabolic pathway and suppresses tamoxifen, paclitaxel, and cyclophosphamide resistance, all of the three, standard treatment methods for ER-positive breast cancer. Wnt5a is thus potentially involved in the poor prognosis of ER-positive breast cancer independently of the PI3K–AKT–mTOR signaling pathway. Supplementary Information The online version contains supplementary material available at 10.1007/s12282-021-01241-0.
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21
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Mii Y, Nakazato K, Pack CG, Ikeda T, Sako Y, Mochizuki A, Taira M, Takada S. Quantitative analyses reveal extracellular dynamics of Wnt ligands in Xenopus embryos. eLife 2021; 10:55108. [PMID: 33904408 PMCID: PMC8139832 DOI: 10.7554/elife.55108] [Citation(s) in RCA: 13] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Abstract] [Key Words] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/13/2020] [Accepted: 04/23/2021] [Indexed: 12/11/2022] Open
Abstract
The mechanism of intercellular transport of Wnt ligands is still a matter of debate. To better understand this issue, we examined the distribution and dynamics of Wnt8 in Xenopus embryos. While Venus-tagged Wnt8 was found on the surfaces of cells close to Wnt-producing cells, we also detected its dispersal over distances of 15 cell diameters. A combination of fluorescence correlation spectroscopy and quantitative imaging suggested that only a small proportion of Wnt8 ligands diffuses freely, whereas most Wnt8 molecules are bound to cell surfaces. Fluorescence decay after photoconversion showed that Wnt8 ligands bound on cell surfaces decrease exponentially, suggesting a dynamic exchange of bound forms of Wnt ligands. Mathematical modeling based on this exchange recapitulates a graded distribution of bound, but not free, Wnt ligands. Based on these results, we propose that Wnt distribution in tissues is controlled by a dynamic exchange of its abundant bound and rare free populations.
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Affiliation(s)
- Yusuke Mii
- National Institute for Basic Biology and Exploratory Research Center on Life and Living Systems (ExCELLS), National Institutes of Natural Sciences, Okazaki, Japan.,The Graduate University for Advanced Studies (SOKENDAI), Okazaki, Japan.,Japan Science and Technology Agency (JST), PRESTO, Kawaguchi, Japan.,Department of Biological Sciences, Graduate School of Science, The University of Tokyo, Tokyo, Japan
| | | | - Chan-Gi Pack
- Cellular Informatics Laboratory, RIKEN, Wako, Japan.,ASAN Institute for Life Sciences, ASAN Medical Center, University of Ulsan College of Medicine, Seoul, Republic of Korea
| | - Takafumi Ikeda
- Department of Biological Sciences, Graduate School of Science, The University of Tokyo, Tokyo, Japan
| | - Yasushi Sako
- Cellular Informatics Laboratory, RIKEN, Wako, Japan
| | - Atsushi Mochizuki
- Theoretical Biology Laboratory, RIKEN, Wako, Japan.,Laboratory of Mathematical Biology, Institute for Frontier Life and Medical Sciences, Kyoto University, Kyoto, Japan
| | - Masanori Taira
- Department of Biological Sciences, Graduate School of Science, The University of Tokyo, Tokyo, Japan.,Department of Biological Sciences, Faculty of Science and Engineering, Chuo University, Tokyo, Japan
| | - Shinji Takada
- National Institute for Basic Biology and Exploratory Research Center on Life and Living Systems (ExCELLS), National Institutes of Natural Sciences, Okazaki, Japan.,The Graduate University for Advanced Studies (SOKENDAI), Okazaki, Japan
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22
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Tsukiyama T, Koo BK, Hatakeyama S. Post-translational Wnt receptor regulation: Is the fog slowly clearing?: The molecular mechanism of RNF43/ZNRF3 ubiquitin ligases is not yet fully elucidated and still controversial. Bioessays 2021; 43:e2000297. [PMID: 33569855 DOI: 10.1002/bies.202000297] [Citation(s) in RCA: 10] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/12/2020] [Revised: 01/11/2021] [Accepted: 01/12/2021] [Indexed: 12/30/2022]
Abstract
Wnt signaling plays pivotal roles during our entire lives, from conception to death, through the regulation of morphogenesis in developing embryos and the maintenance of tissue homeostasis in adults. The regulation of Wnt signaling occurs on several levels: at the receptor level on the plasma membrane, at the β-catenin protein level in the cytoplasm, and through transcriptional regulation in the nucleus. Several recent studies have focused on the mechanisms of Wnt receptor regulation, following the discovery that the Wnt receptor frizzled (Fzd) is a target of the ubiquitin ligases, RNF43 and ZNRF3. RNF43 and ZNRF3 are homologous genes that are mutated in several cancers. The details underlying their mechanism of action continue to unfold, while at the same time raising many new questions. In this review, we discuss advances and controversies in our understanding of Wnt receptor regulation.
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Affiliation(s)
- Tadasuke Tsukiyama
- Department of Biochemistry, Faculty of Medicine and Graduate School of Medicine, Hokkaido University, Sapporo, Hokkaido, Japan
| | - Bon-Kyoung Koo
- Institute of Molecular Biotechnology of the Austrian Academy of Sciences (IMBA), Vienna, Austria
| | - Shigetsugu Hatakeyama
- Department of Biochemistry, Faculty of Medicine and Graduate School of Medicine, Hokkaido University, Sapporo, Hokkaido, Japan
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23
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de Man SMA, van Amerongen R. Zooming in on the WNT/CTNNB1 Destruction Complex: Functional Mechanistic Details with Implications for Therapeutic Targeting. Handb Exp Pharmacol 2021; 269:137-173. [PMID: 34486095 DOI: 10.1007/164_2021_522] [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: 02/07/2023]
Abstract
WNT/CTNNB1 signaling is crucial for balancing cell proliferation and differentiation in all multicellular animals. CTNNB1 accumulation is the hallmark of WNT/CTNNB1 pathway activation and the key downstream event in both a physiological and an oncogenic context. In the absence of WNT stimulation, the cytoplasmic and nuclear levels of CTNNB1 are kept low because of its sequestration and phosphorylation by the so-called destruction complex, which targets CTNNB1 for proteasomal degradation. In the presence of WNT proteins, or as a result of oncogenic mutations, this process is impaired and CTNNB1 levels become elevated.Here we discuss recent advances in our understanding of destruction complex activity and inactivation, focusing on the individual components and interactions that ultimately control CTNNB1 turnover (in the "WNT off" situation) and stabilization (in the "WNT on" situation). We especially highlight the insights gleaned from recent quantitative, image-based studies, which paint an unprecedentedly detailed picture of the dynamic events that control destruction protein complex composition and function. We argue that these mechanistic details may reveal new opportunities for therapeutic intervention and could result in the destruction complex re-emerging as a target for therapy in cancer.
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Affiliation(s)
- Saskia Madelon Ada de Man
- Developmental, Stem Cell and Cancer Biology, Swammerdam Institute for Life Sciences, University of Amsterdam, Amsterdam, The Netherlands
| | - Renée van Amerongen
- Developmental, Stem Cell and Cancer Biology, Swammerdam Institute for Life Sciences, University of Amsterdam, Amsterdam, The Netherlands.
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24
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Aghaizu ND, Jin H, Whiting PJ. Dysregulated Wnt Signalling in the Alzheimer's Brain. Brain Sci 2020; 10:E902. [PMID: 33255414 PMCID: PMC7761504 DOI: 10.3390/brainsci10120902] [Citation(s) in RCA: 27] [Impact Index Per Article: 6.8] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/20/2020] [Revised: 11/16/2020] [Accepted: 11/21/2020] [Indexed: 02/07/2023] Open
Abstract
The Wnt signalling system is essential for both the developing and adult central nervous system. It regulates numerous cellular functions ranging from neurogenesis to blood brain barrier biology. Dysregulated Wnt signalling can thus have significant consequences for normal brain function, which is becoming increasingly clear in Alzheimer's disease (AD), an age-related neurodegenerative disorder that is the most prevalent form of dementia. AD exhibits a range of pathophysiological manifestations including aberrant amyloid precursor protein processing, tau pathology, synapse loss, neuroinflammation and blood brain barrier breakdown, which have been associated to a greater or lesser degree with abnormal Wnt signalling. Here we provide a comprehensive overview of the role of Wnt signalling in the CNS, and the research that implicates dysregulated Wnt signalling in the ageing brain and in AD pathogenesis. We also discuss the opportunities for therapeutic intervention in AD via modulation of the Wnt signalling pathway, and highlight some of the challenges and the gaps in our current understanding that need to be met to enable that goal.
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Affiliation(s)
- Nozie D. Aghaizu
- UK Dementia Research Institute at University College London, Cruciform Building, Gower Street, London WC1E 6BT, UK;
| | - Hanqing Jin
- UK Dementia Research Institute at University College London, Cruciform Building, Gower Street, London WC1E 6BT, UK;
| | - Paul J. Whiting
- UK Dementia Research Institute at University College London, Cruciform Building, Gower Street, London WC1E 6BT, UK;
- ARUK Drug Discovery Institute (DDI), University College London, Cruciform Building, Gower Street, London WC1E 6BT, UK
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25
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Akoumianakis I, Sanna F, Margaritis M, Badi I, Akawi N, Herdman L, Coutinho P, Fagan H, Antonopoulos AS, Oikonomou EK, Thomas S, Chiu AP, Chuaiphichai S, Kotanidis CP, Christodoulides C, Petrou M, Krasopoulos G, Sayeed R, Lv L, Hale A, Naeimi Kararoudi M, McNeill E, Douglas G, George S, Tousoulis D, Channon KM, Antoniades C. Adipose tissue-derived WNT5A regulates vascular redox signaling in obesity via USP17/RAC1-mediated activation of NADPH oxidases. Sci Transl Med 2020; 11:11/510/eaav5055. [PMID: 31534019 DOI: 10.1126/scitranslmed.aav5055] [Citation(s) in RCA: 57] [Impact Index Per Article: 14.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/26/2018] [Accepted: 08/09/2019] [Indexed: 12/19/2022]
Abstract
Obesity is associated with changes in the secretome of adipose tissue (AT), which affects the vasculature through endocrine and paracrine mechanisms. Wingless-related integration site 5A (WNT5A) and secreted frizzled-related protein 5 (SFRP5), adipokines that regulate noncanonical Wnt signaling, are dysregulated in obesity. We hypothesized that WNT5A released from AT exerts endocrine and paracrine effects on the arterial wall through noncanonical RAC1-mediated Wnt signaling. In a cohort of 1004 humans with atherosclerosis, obesity was associated with increased WNT5A bioavailability in the circulation and the AT, higher expression of WNT5A receptors Frizzled 2 and Frizzled 5 in the human arterial wall, and increased vascular oxidative stress due to activation of NADPH oxidases. Plasma concentration of WNT5A was elevated in patients with coronary artery disease compared to matched controls and was independently associated with calcified coronary plaque progression. We further demonstrated that WNT5A induces arterial oxidative stress and redox-sensitive migration of vascular smooth muscle cells via Frizzled 2-mediated activation of a previously uncharacterized pathway involving the deubiquitinating enzyme ubiquitin-specific protease 17 (USP17) and the GTPase RAC1. Our study identifies WNT5A and its downstream vascular signaling as a link between obesity and vascular disease pathogenesis, with translational implications in humans.
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Affiliation(s)
- Ioannis Akoumianakis
- Division of Cardiovascular Medicine, Radcliffe Department of Medicine, University of Oxford, Oxford, OX3 9DU, UK
| | - Fabio Sanna
- Division of Cardiovascular Medicine, Radcliffe Department of Medicine, University of Oxford, Oxford, OX3 9DU, UK
| | - Marios Margaritis
- Division of Cardiovascular Medicine, Radcliffe Department of Medicine, University of Oxford, Oxford, OX3 9DU, UK
| | - Ileana Badi
- Division of Cardiovascular Medicine, Radcliffe Department of Medicine, University of Oxford, Oxford, OX3 9DU, UK
| | - Nadia Akawi
- Division of Cardiovascular Medicine, Radcliffe Department of Medicine, University of Oxford, Oxford, OX3 9DU, UK
| | - Laura Herdman
- Division of Cardiovascular Medicine, Radcliffe Department of Medicine, University of Oxford, Oxford, OX3 9DU, UK
| | - Patricia Coutinho
- Division of Cardiovascular Medicine, Radcliffe Department of Medicine, University of Oxford, Oxford, OX3 9DU, UK
| | - Harry Fagan
- Division of Cardiovascular Medicine, Radcliffe Department of Medicine, University of Oxford, Oxford, OX3 9DU, UK
| | - Alexios S Antonopoulos
- Division of Cardiovascular Medicine, Radcliffe Department of Medicine, University of Oxford, Oxford, OX3 9DU, UK
| | - Evangelos K Oikonomou
- Division of Cardiovascular Medicine, Radcliffe Department of Medicine, University of Oxford, Oxford, OX3 9DU, UK
| | - Sheena Thomas
- Division of Cardiovascular Medicine, Radcliffe Department of Medicine, University of Oxford, Oxford, OX3 9DU, UK
| | - Amy P Chiu
- Division of Cardiovascular Medicine, Radcliffe Department of Medicine, University of Oxford, Oxford, OX3 9DU, UK
| | - Surawee Chuaiphichai
- Division of Cardiovascular Medicine, Radcliffe Department of Medicine, University of Oxford, Oxford, OX3 9DU, UK
| | - Christos P Kotanidis
- Division of Cardiovascular Medicine, Radcliffe Department of Medicine, University of Oxford, Oxford, OX3 9DU, UK
| | | | - Mario Petrou
- Department of Cardiothoracic Surgery, Oxford University Hospitals NHS Trust, Oxford, OX3 9DU, UK
| | - George Krasopoulos
- Department of Cardiothoracic Surgery, Oxford University Hospitals NHS Trust, Oxford, OX3 9DU, UK
| | - Rana Sayeed
- Department of Cardiothoracic Surgery, Oxford University Hospitals NHS Trust, Oxford, OX3 9DU, UK
| | - Lei Lv
- Division of Cardiovascular Medicine, Radcliffe Department of Medicine, University of Oxford, Oxford, OX3 9DU, UK
| | - Ashley Hale
- Division of Cardiovascular Medicine, Radcliffe Department of Medicine, University of Oxford, Oxford, OX3 9DU, UK
| | - Meisam Naeimi Kararoudi
- Division of Cardiovascular Medicine, Radcliffe Department of Medicine, University of Oxford, Oxford, OX3 9DU, UK
| | - Eileen McNeill
- Division of Cardiovascular Medicine, Radcliffe Department of Medicine, University of Oxford, Oxford, OX3 9DU, UK
| | - Gillian Douglas
- Division of Cardiovascular Medicine, Radcliffe Department of Medicine, University of Oxford, Oxford, OX3 9DU, UK
| | - Sarah George
- Bristol Medical School, University of Bristol, Research Floor Level 7, Bristol Royal Infirmary, Bristol BS2 8HW, UK
| | - Dimitris Tousoulis
- Cardiology Department, Athens University Medical School, Athens 115 27, Greece
| | - Keith M Channon
- Division of Cardiovascular Medicine, Radcliffe Department of Medicine, University of Oxford, Oxford, OX3 9DU, UK
| | - Charalambos Antoniades
- Division of Cardiovascular Medicine, Radcliffe Department of Medicine, University of Oxford, Oxford, OX3 9DU, UK.
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26
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Umeda K, Kosaka T, Nakamura K, Takeda T, Mikami S, Nishihara H, Oya M. A Japanese patient with ductal carcinoma of the prostate carrying an adenomatosis polyposis coli gene mutation: a case report. Diagn Pathol 2020; 15:102. [PMID: 32758244 PMCID: PMC7409413 DOI: 10.1186/s13000-020-01016-9] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/16/2020] [Accepted: 07/22/2020] [Indexed: 12/21/2022] Open
Abstract
Background Ductal carcinoma of the prostate is a histological subtype with a higher mortality than acinar adenocarcinoma. The number of cases is small and there are no treatment guidelines. We believe that this is the first report of ductal carcinoma of the prostate with an adenomatosis polyposis coli (APC) gene mutation in Japan. Case presentation An 85-year-old man presented with gross hematuria, and a papillary tumor in the prostatic urethra that was diagnosed as ductal carcinoma of the prostate following transurethral resection. Genetic analysis found an APC mutation with loss of heterozygosity. Immunostaining revealed focal nuclear translocation of β-catenin. APC mutations associated with loss of β-catenin degradation in the Wnt signaling pathway and result in over accumulation of β-catenin are thought to increase mortality. In this patient, β-catenin migrated into tumor cell nuclei. Conclusion To the best of our knowledge, this is the first report of ductal carcinoma of the prostate with an APC mutation in Japan. The development of a therapeutic Wnt inhibitor is discussed.
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Affiliation(s)
- Kota Umeda
- Department of Urology, Keio University School of Medicine, 35 Shinanomachi, Shinjuku-ku, Tokyo, 160-8582, Japan
| | - Takeo Kosaka
- Department of Urology, Keio University School of Medicine, 35 Shinanomachi, Shinjuku-ku, Tokyo, 160-8582, Japan.
| | - Kohei Nakamura
- Genomics Unit, Keio Cancer Center, Keio University School of Medicine, 35 Shinanomachi, Shinjuku-ku, Tokyo, 160-8582, Japan
| | - Toshikazu Takeda
- Department of Urology, Keio University School of Medicine, 35 Shinanomachi, Shinjuku-ku, Tokyo, 160-8582, Japan
| | - Shuji Mikami
- Division of Diagnostic Pathology, Keio University Hospital, 35 Shinanomachi, Shinjuku-ku, Tokyo, 160-8582, Japan
| | - Hiroshi Nishihara
- Genomics Unit, Keio Cancer Center, Keio University School of Medicine, 35 Shinanomachi, Shinjuku-ku, Tokyo, 160-8582, Japan
| | - Mototsugu Oya
- Department of Urology, Keio University School of Medicine, 35 Shinanomachi, Shinjuku-ku, Tokyo, 160-8582, Japan
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27
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Mii Y, Takada S. Heparan Sulfate Proteoglycan Clustering in Wnt Signaling and Dispersal. Front Cell Dev Biol 2020; 8:631. [PMID: 32760727 PMCID: PMC7371957 DOI: 10.3389/fcell.2020.00631] [Citation(s) in RCA: 24] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/08/2020] [Accepted: 06/23/2020] [Indexed: 12/25/2022] Open
Abstract
Wnt, a family of secreted signal proteins, serves diverse functions in animal development, stem cell systems, and carcinogenesis. Although Wnt is generally considered a morphogen, the mechanism by which Wnt ligands disperse is still debated. Heparan sulfate proteoglycans (HSPGs) are extracellular regulators involved in Wnt ligand dispersal. Drosophila genetics have revealed that HSPGs participate in accumulation and transport of Wnt ligands. Based on these findings, a "restricted diffusion" model, in which Wnt ligands are gradually transferred by repetitive binding and dissociation to HSPGs, has been proposed. Nonetheless, we recently found that HSPGs are not uniformly distributed, but are locally clustered on cell surfaces in Xenopus embryos. HSPGs with N-sulfo-rich HS chains and those with N-acetyl-rich unmodified HS chains form different clusters. Furthermore, endogenous Wnt8 ligands are discretely accumulated in a punctate fashion, colocalized with the N-sulfo-rich clusters. Based on these lines of evidence, here we reconsider the classical view of morphogen spreading controlled by HSPGs.
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Affiliation(s)
- Yusuke Mii
- National Institute for Basic Biology, National Institutes of Natural Sciences, Okazaki, Japan
- Exploratory Research Center on Life and Living Systems, National Institutes of Natural Sciences, Okazaki, Japan
- Department of Basic Biology, Graduate University for Advanced Studies (SOKENDAI), Okazaki, Japan
- Japan Science and Technology Agency, PRESTO, Saitama, Japan
| | - Shinji Takada
- National Institute for Basic Biology, National Institutes of Natural Sciences, Okazaki, Japan
- Exploratory Research Center on Life and Living Systems, National Institutes of Natural Sciences, Okazaki, Japan
- Department of Basic Biology, Graduate University for Advanced Studies (SOKENDAI), Okazaki, Japan
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28
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Kim KH, Lee SJ, Kim J, Moon Y. Dynamic Malignant Wave of Ribosome-Insulted Gut Niche via the Wnt-CTGF/CCN2 Circuit. iScience 2020; 23:101076. [PMID: 32361596 PMCID: PMC7200318 DOI: 10.1016/j.isci.2020.101076] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/22/2019] [Revised: 12/13/2019] [Accepted: 04/14/2020] [Indexed: 12/21/2022] Open
Abstract
Stress-driven ribosome dysfunction triggers an eIF2α-mediated integrated stress response to maintain cellular homeostasis. Among four key eIF2α kinases, protein kinase R (PKR) expression positively associates with poor prognoses for colorectal cancer (CRC) patients. We identified PKR-linked Wnt signaling networks that facilitate early inflammatory niche and epithelial-mesenchymal transitions of tumor tissues in response to ribosomal insults. However, the downstream Wnt signaling target fibrogenic connective tissue growth factor (CTGF/CCN2) regulates the nuclear translocation of β-catenin in a negative feedback manner. Moreover, dwindling expression of the Wnt/β-catenin pathway-regulator CTGF triggers noncanonical Wnt pathway-mediated exacerbation of intestinal cancer progression such as an increase in cancer stemness and acquisition of chemoresistance in the presence of ribosomal insults. The Wnt-CTGF-circuit-associated landscape of oncogenic signaling events was verified with clinical genomic profiling. This ribosome-associated wave of crosstalk between stress and oncogenes provides valuable insight into potential molecular interventions against intestinal malignancies. PKR expression positively associates with poor prognoses for CRC patients CTGF/CCN2 mediates tumor niche remodeling under PKR-activating ribosomal stress CTGF/CCN2 antagonism of Wnt regulates cancer stemness and chemoresistance
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Affiliation(s)
- Ki Hyung Kim
- Laboratory of Mucosal Exposome and Biomodulation, Department of Biomedical Sciences, Pusan National University, Yangsan 50612, Korea; Department of Obstetrics and Gynecology, Pusan National University College of Medicine, Busan 49241, Korea; Biomedical Research Institute, Pusan National University Hospital, Busan, 49241, Korea
| | - Seung Joon Lee
- Laboratory of Mucosal Exposome and Biomodulation, Department of Biomedical Sciences, Pusan National University, Yangsan 50612, Korea
| | - Juil Kim
- Laboratory of Mucosal Exposome and Biomodulation, Department of Biomedical Sciences, Pusan National University, Yangsan 50612, Korea
| | - Yuseok Moon
- Laboratory of Mucosal Exposome and Biomodulation, Department of Biomedical Sciences, Pusan National University, Yangsan 50612, Korea; Biomedical Research Institute, Pusan National University Hospital, Busan, 49241, Korea.
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29
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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: 29] [Impact Index Per Article: 5.8] [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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30
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Pan B, Zhang T, Yang W, Liu Y, Chen Y, Zhou Z, Tang Y, Zeng J, Liu Y, Zhao C, Guo Y. SNX3 suppresses the migration and invasion of colorectal cancer cells by reversing epithelial-to-mesenchymal transition via the β-catenin pathway. Oncol Lett 2019; 18:5332-5340. [PMID: 31612043 PMCID: PMC6781754 DOI: 10.3892/ol.2019.10860] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/27/2018] [Accepted: 07/10/2019] [Indexed: 01/05/2023] Open
Abstract
The Wnt/β-catenin signaling pathway is a well-studied pathway that drives the carcinogenesis and metastasis of colorectal cancer (CRC). The secretion of Wnt proteins is essential for the continuous activation of Wnt/β-catenin signaling in CRC. The secretion of Drosophila wingless, which is homologous to the human Wnt protein, is mediated by sorting nexin 3 (SNX3) in Drosophila; however, the role of SNX3 in CRC remains unknown. In the present study it was demonstrated that SNX3 reduced the migratory and invasive ability of HCT116 human CRC cells, and reversed epithelial-mesenchymal transition (EMT). Conversely, in the HT29 CRC cell line, which endogenously expresses high levels of SNX3, short hairpin RNA or siRNA-mediated knockdown of SNX3 induced EMT, and enhanced cell migration and invasion. In addition, upregulation of SNX3 significantly inhibited metastasis of HCT116 cells to the lungs of mice. These SNX3-mediated effects were associated with downregulation of β-catenin. Taken together, by downregulating β-catenin, SNX3 may mediate EMT and reverse CRC metastasis.
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Affiliation(s)
- Biran Pan
- Medical Research Center, The Third People's Hospital of Chengdu, The Second Chengdu Hospital Affiliated to Chongqing Medical University, The Affiliated Hospital of Southwest Jiaotong University, Chengdu, Sichuan 610036, P.R. China
| | - Tongtong Zhang
- Medical Research Center, The Third People's Hospital of Chengdu, The Second Chengdu Hospital Affiliated to Chongqing Medical University, The Affiliated Hospital of Southwest Jiaotong University, Chengdu, Sichuan 610036, P.R. China
| | - Wei Yang
- Medical Research Center, The Third People's Hospital of Chengdu, The Second Chengdu Hospital Affiliated to Chongqing Medical University, The Affiliated Hospital of Southwest Jiaotong University, Chengdu, Sichuan 610036, P.R. China
| | - Yanjun Liu
- Department of Gastrointestinal Surgery, The Third People's Hospital of Chengdu, The Second Chengdu Hospital Affiliated to Chongqing Medical University, The Affiliated Hospital of Southwest Jiaotong University, Chengdu, Sichuan 610036, P.R. China
| | - Yuning Chen
- Clinical Laboratory Department, Xindu People's Hospital, Chengdu, Sichuan 610500, P.R. China
| | - Zheng Zhou
- Medical Research Center, The Third People's Hospital of Chengdu, The Second Chengdu Hospital Affiliated to Chongqing Medical University, The Affiliated Hospital of Southwest Jiaotong University, Chengdu, Sichuan 610036, P.R. China
| | - Yan Tang
- Department of Pathology, The Third People's Hospital of Chengdu, The Second Chengdu Hospital Affiliated to Chongqing Medical University, The Affiliated Hospital of Southwest Jiaotong University, Chengdu, Sichuan 610036, P.R. China
| | - Jiawei Zeng
- Clinical Laboratory Department, Mianyang Central Hospital, Mianyang, Sichuan 621000, P.R. China
| | - Yilun Liu
- Clinical Laboratory Department, The First Affiliated Hospital of Chengdu Medical College, Chengdu, Sichuan 610500, P.R. China
| | - Cong Zhao
- Department of Digestive Diseases, The Third People's Hospital of Chengdu, The Second Chengdu Hospital Affiliated to Chongqing Medical University, The Affiliated Hospital of Southwest Jiaotong University, Chengdu, Sichuan 610036, P.R. China
| | - Yuanbiao Guo
- Medical Research Center, The Third People's Hospital of Chengdu, The Second Chengdu Hospital Affiliated to Chongqing Medical University, The Affiliated Hospital of Southwest Jiaotong University, Chengdu, Sichuan 610036, P.R. China
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31
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Bandmann V, Mirsanaye AS, Schäfer J, Thiel G, Holstein T, Mikosch-Wersching M. Membrane capacitance recordings resolve dynamics and complexity of receptor-mediated endocytosis in Wnt signalling. Sci Rep 2019; 9:12999. [PMID: 31506500 PMCID: PMC6736968 DOI: 10.1038/s41598-019-49082-4] [Citation(s) in RCA: 13] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/22/2018] [Accepted: 08/20/2019] [Indexed: 11/26/2022] Open
Abstract
Receptor-mediated endocytosis is an essential process in signalling pathways for activation of intracellular signalling cascades. One example is the Wnt signalling pathway that seems to depend on endocytosis of the ligand-receptor complex for initiation of Wnt signal transduction. To date, the roles of different endocytic pathways in Wnt signalling, molecular players and the kinetics of the process remain unclear. Here, we monitored endocytosis in Wnt3a and Wnt5a-mediated signalling with membrane capacitance recordings of HEK293 cells. Our measurements revealed a swift and substantial increase in the number of endocytic vesicles. Extracellular Wnt ligands specifically triggered endocytotic activity, which started immediately upon ligand binding and ceased within a period of ten minutes. By using specific inhibitors, we were able to separate Wnt-induced endocytosis into two independent pathways. We demonstrate that canonical Wnt3a is taken up mainly by clathrin-independent endocytosis whereas noncanonical Wnt5a is exclusively regulated via clathrin-mediated endocytosis. Our findings show that membrane capacitance recordings allow the resolution of complex cellular processes in plasma membrane signalling pathways in great detail.
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Affiliation(s)
- Vera Bandmann
- Department of Biology, Technische Universität Darmstadt, Schnittspahnstrasse 3, 64287, Darmstadt, Germany
| | - Ann Schirin Mirsanaye
- Department of Biology, Technische Universität Darmstadt, Schnittspahnstrasse 3, 64287, Darmstadt, Germany
| | - Johanna Schäfer
- Department of Biology, Technische Universität Darmstadt, Schnittspahnstrasse 3, 64287, Darmstadt, Germany
| | - Gerhard Thiel
- Department of Biology, Technische Universität Darmstadt, Schnittspahnstrasse 3, 64287, Darmstadt, Germany
| | - Thomas Holstein
- Centre for Organismal Studies, University of Heidelberg, Im Neuenheimer Feld 230, Heidelberg, 69120, Germany
| | - Melanie Mikosch-Wersching
- Department of Biology, Technische Universität Darmstadt, Schnittspahnstrasse 3, 64287, Darmstadt, Germany. .,Centre for Organismal Studies, University of Heidelberg, Im Neuenheimer Feld 230, Heidelberg, 69120, Germany.
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van de Vlekkert D, Demmers J, Nguyen XX, Campos Y, Machado E, Annunziata I, Hu H, Gomero E, Qiu X, Bongiovanni A, Feghali-Bostwick CA, d’Azzo A. Excessive exosome release is the pathogenic pathway linking a lysosomal deficiency to generalized fibrosis. SCIENCE ADVANCES 2019; 5:eaav3270. [PMID: 31328155 PMCID: PMC6636989 DOI: 10.1126/sciadv.aav3270] [Citation(s) in RCA: 40] [Impact Index Per Article: 8.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/06/2018] [Accepted: 06/11/2019] [Indexed: 05/10/2023]
Abstract
Lysosomal exocytosis is a ubiquitous process negatively regulated by neuraminidase 1 (NEU1), a sialidase mutated in the glycoprotein storage disease sialidosis. In Neu1-/- mice, excessive lysosomal exocytosis is at the basis of disease pathogenesis. Yet, the tissue-specific molecular consequences of this deregulated pathway are still unfolding. We now report that in muscle connective tissue, Neu1-/- fibroblasts have features of myofibroblasts and are proliferative, migratory, and exocytose large amounts of exosomes. These nanocarriers loaded with activated transforming growth factor-β and wingless-related integration site (WNT)/β-catenin signaling molecules propagate fibrotic signals to other cells, maintaining the tissue in a prolonged transitional status. Myofibroblast-derived exosomes fed to normal fibroblasts convert them into myofibroblasts, changing the recipient cells' proliferative and migratory properties. These findings reveal an unexpected exosome-mediated signaling pathway downstream of NEU1 deficiency that propagates a fibrotic disease and could be implicated in idiopathic forms of fibrosis in humans.
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Affiliation(s)
- Diantha van de Vlekkert
- Department of Genetics, St. Jude Children’s Research Hospital, 262 Danny Thomas Place, Memphis, TN 38105, USA
| | - Jeroen Demmers
- Proteomics Center, Erasmus University Medical Center, Wytemaweg 80, 3015 CN, Rotterdam, Netherlands
| | - Xinh-Xinh Nguyen
- Division of Rheumatology and Immunology, Department of Medicine, Medical University of South Carolina, Charleston, SC 29425, USA
| | - Yvan Campos
- Department of Genetics, St. Jude Children’s Research Hospital, 262 Danny Thomas Place, Memphis, TN 38105, USA
| | - Eda Machado
- Department of Genetics, St. Jude Children’s Research Hospital, 262 Danny Thomas Place, Memphis, TN 38105, USA
| | - Ida Annunziata
- Department of Genetics, St. Jude Children’s Research Hospital, 262 Danny Thomas Place, Memphis, TN 38105, USA
| | - Huimin Hu
- Department of Genetics, St. Jude Children’s Research Hospital, 262 Danny Thomas Place, Memphis, TN 38105, USA
| | - Elida Gomero
- Department of Genetics, St. Jude Children’s Research Hospital, 262 Danny Thomas Place, Memphis, TN 38105, USA
| | - Xiaohui Qiu
- Department of Genetics, St. Jude Children’s Research Hospital, 262 Danny Thomas Place, Memphis, TN 38105, USA
| | - Antonella Bongiovanni
- Institute of Biomedicine and Molecular Immunology (IBIM), National Research Council (CNR) of Italy, Palermo, Italy
| | - Carol A. Feghali-Bostwick
- Division of Rheumatology and Immunology, Department of Medicine, Medical University of South Carolina, Charleston, SC 29425, USA
| | - Alessandra d’Azzo
- Department of Genetics, St. Jude Children’s Research Hospital, 262 Danny Thomas Place, Memphis, TN 38105, USA
- Department of Anatomy and Neurobiology, The University of Tennessee Health Science Center, Memphis, TN 38163, USA
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Hang K, Ye C, Xu J, Chen E, Wang C, Zhang W, Ni L, Kuang Z, Ying L, Xue D, Pan Z. Apelin enhances the osteogenic differentiation of human bone marrow mesenchymal stem cells partly through Wnt/β-catenin signaling pathway. Stem Cell Res Ther 2019; 10:189. [PMID: 31238979 PMCID: PMC6593611 DOI: 10.1186/s13287-019-1286-x] [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: 01/27/2019] [Revised: 05/22/2019] [Accepted: 05/30/2019] [Indexed: 12/31/2022] Open
Abstract
BACKGROUND Management of fracture healing with a large bone defect remains a tricky subject in orthopedic trauma. Enhancing osteogenesis of human bone marrow-derived mesenchymal stem cells (hBMSCs) is one of the useful therapeutic strategies for fracture healing. Previous studies have revealed that Apelin may play an important role in bone metabolism. However, its function in the osteogenesis of hBMSCs remains unclear. Therefore, in this study, we investigated the effects and mechanism of Apelin on osteogenic differentiation. METHODS We investigated the osteogenesis effects of hBMSCs by both exogenous Apelin protein and overexpression Apelin in vitro. Cell proliferation assay was used to assess the effect of Apelin on the proliferation of hBMSCs. ALP staining and Alizarin Red staining were used to evaluate ALP activity and mineral deposition respectively. qPCR and Western blotting analysis were used to detect the expression of target genes and proteins. In vivo, a rat tibial osteotomy model was established; radiographic analysis and histological evaluation were used to confirm the therapeutic effects of Apelin in fracture healing. Statistical significance was determined by two-tailed Student's t test when 2 groups were compared. When more than 2 groups were compared, one-way ANOVA followed by Bonferroni's post-hoc test was used. And two-way ANOVA, followed by Bonferroni multiple comparisons post-hoc test, was performed when the treatment groups at different time points were compared. RESULTS The addition of exogenous Apelin protein or overexpression of Apelin promoted osteoblast differentiation of hBMSCs in vitro. Increased mineral deposits were observed after treatment with extracellular Apelin protein or after the upregulation of Apelin. Moreover, β-catenin levels were upregulated by Apelin. The enhancement of osteogenic differentiation induced by Apelin was attenuated by specific Wnt/β-catenin signaling pathway inhibitors. In a rat tibial osteotomy model, local injection of exogenous Apelin protein improved bone healing, as demonstrated by imaging and histological analyses. CONCLUSIONS Taken together, these findings indicate that Apelin regulates osteogenic differentiation of hMSCs partly via the Wnt/β-catenin signaling pathway and effectively promotes fracture healing.
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Affiliation(s)
- Kai Hang
- Department of Orthopedic Surgery of the Second Affiliated Hospital, School of Medicine, Zhejiang University, No. 88, Jiefang Road, Hangzhou, 310009, China.,Orthopedics Research Institute of Zhejiang University, No. 88, Jiefang Road, Hangzhou, 310009, China
| | - Chenyi Ye
- Department of Orthopedic Surgery of the Second Affiliated Hospital, School of Medicine, Zhejiang University, No. 88, Jiefang Road, Hangzhou, 310009, China.,Orthopedics Research Institute of Zhejiang University, No. 88, Jiefang Road, Hangzhou, 310009, China
| | - Jianxiang Xu
- Department of Orthopedic Surgery of the Second Affiliated Hospital, School of Medicine, Zhejiang University, No. 88, Jiefang Road, Hangzhou, 310009, China.,Orthopedics Research Institute of Zhejiang University, No. 88, Jiefang Road, Hangzhou, 310009, China
| | - Erman Chen
- Department of Orthopedic Surgery of the Second Affiliated Hospital, School of Medicine, Zhejiang University, No. 88, Jiefang Road, Hangzhou, 310009, China.,Orthopedics Research Institute of Zhejiang University, No. 88, Jiefang Road, Hangzhou, 310009, China
| | - Cong Wang
- Department of Orthopedic Surgery of the Second Affiliated Hospital, School of Medicine, Zhejiang University, No. 88, Jiefang Road, Hangzhou, 310009, China.,Orthopedics Research Institute of Zhejiang University, No. 88, Jiefang Road, Hangzhou, 310009, China
| | - Wei Zhang
- Department of Orthopedic Surgery of the Second Affiliated Hospital, School of Medicine, Zhejiang University, No. 88, Jiefang Road, Hangzhou, 310009, China.,Orthopedics Research Institute of Zhejiang University, No. 88, Jiefang Road, Hangzhou, 310009, China
| | - Lic Ni
- Department of Orthopedic Surgery of the Second Affiliated Hospital, School of Medicine, Zhejiang University, No. 88, Jiefang Road, Hangzhou, 310009, China.,Orthopedics Research Institute of Zhejiang University, No. 88, Jiefang Road, Hangzhou, 310009, China
| | - Zhih Kuang
- Department of Orthopedic Surgery of the Second Affiliated Hospital, School of Medicine, Zhejiang University, No. 88, Jiefang Road, Hangzhou, 310009, China.,Orthopedics Research Institute of Zhejiang University, No. 88, Jiefang Road, Hangzhou, 310009, China
| | - Li Ying
- Department of Orthopedic Surgery of the Second Affiliated Hospital, School of Medicine, Zhejiang University, No. 88, Jiefang Road, Hangzhou, 310009, China.,Orthopedics Research Institute of Zhejiang University, No. 88, Jiefang Road, Hangzhou, 310009, China
| | - Deting Xue
- Department of Orthopedic Surgery of the Second Affiliated Hospital, School of Medicine, Zhejiang University, No. 88, Jiefang Road, Hangzhou, 310009, China. .,Orthopedics Research Institute of Zhejiang University, No. 88, Jiefang Road, Hangzhou, 310009, China.
| | - Zhijun Pan
- Department of Orthopedic Surgery of the Second Affiliated Hospital, School of Medicine, Zhejiang University, No. 88, Jiefang Road, Hangzhou, 310009, China. .,Orthopedics Research Institute of Zhejiang University, No. 88, Jiefang Road, Hangzhou, 310009, China.
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Chatzopoulos GS, Mansky KC, Lunos S, Costalonga M, Wolff LF. Sclerostin and WNT‐5a gingival protein levels in chronic periodontitis and health. J Periodontal Res 2019; 54:555-565. [DOI: 10.1111/jre.12659] [Citation(s) in RCA: 20] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/21/2018] [Revised: 01/18/2019] [Accepted: 03/09/2019] [Indexed: 11/29/2022]
Affiliation(s)
- Georgios S. Chatzopoulos
- Division of Periodontology, Department of Developmental and Surgical Sciences, School of Dentistry University of Minnesota Minneapolis Minnesota
| | - Kim C. Mansky
- Division of Orthodontics, Department of Developmental and Surgical Sciences, School of Dentistry University of Minnesota Minneapolis Minnesota
| | - Scott Lunos
- Biostatistical Design and Analysis Center, Clinical and Translational Science Institute University of Minnesota Minneapolis Minnesota
| | - Massimo Costalonga
- Division of Periodontology, Department of Developmental and Surgical Sciences, School of Dentistry University of Minnesota Minneapolis Minnesota
| | - Larry F. Wolff
- Division of Periodontology, Department of Developmental and Surgical Sciences, School of Dentistry University of Minnesota Minneapolis Minnesota
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Holmquist Mengelbier L, Lindell-Munther S, Yasui H, Jansson C, Esfandyari J, Karlsson J, Lau K, Hui CC, Bexell D, Hopyan S, Gisselsson D. The Iroquois homeobox proteins IRX3 and IRX5 have distinct roles in Wilms tumour development and human nephrogenesis. J Pathol 2018; 247:86-98. [PMID: 30246301 PMCID: PMC6588170 DOI: 10.1002/path.5171] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/06/2018] [Revised: 08/27/2018] [Accepted: 09/16/2018] [Indexed: 12/19/2022]
Abstract
Wilms tumour is a paediatric malignancy with features of halted kidney development. Here, we demonstrate that the Iroquois homeobox genes IRX3 and IRX5 are essential for mammalian nephrogenesis and govern the differentiation of Wilms tumour. Knock‐out Irx3−/Irx5− mice showed a strongly reduced embryonic nephron formation. In human foetal kidney and Wilms tumour, IRX5 expression was already activated in early proliferative blastema, whereas IRX3 protein levels peaked at tubular differentiation. Accordingly, an orthotopic xenograft mouse model of Wilms tumour showed that IRX3−/− cells formed bulky renal tumours dominated by immature mesenchyme and active canonical WNT/β‐catenin‐signalling. In contrast, IRX5−/− cells displayed activation of Hippo and non‐canonical WNT‐signalling and generated small tumours with abundant tubulogenesis. Our findings suggest that promotion of IRX3 signalling or inhibition of IRX5 signalling could be a route towards differentiation therapy for Wilms tumour, in which WNT5A is a candidate molecule for enforced tubular maturation. © 2018 The Authors. The Journal of Pathology published by John Wiley & Sons Ltd on behalf of Pathological Society of Great Britain and Ireland.
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Affiliation(s)
| | - Simon Lindell-Munther
- Division of Clinical Genetics, Department of Laboratory Medicine, Lund University, Lund, Sweden
| | - Hiroaki Yasui
- Division of Clinical Genetics, Department of Laboratory Medicine, Lund University, Lund, Sweden.,Department of Obstetrics and Gynecology, Graduate School of Medicine, Nagoya University, Nagoya, Japan
| | - Caroline Jansson
- Division of Clinical Genetics, Department of Laboratory Medicine, Lund University, Lund, Sweden
| | - Javanshir Esfandyari
- Division of Translational Cancer Research, Department of Laboratory Medicine, Lund University, Lund, Sweden
| | - Jenny Karlsson
- Division of Clinical Genetics, Department of Laboratory Medicine, Lund University, Lund, Sweden
| | - Kimberly Lau
- Program in Developmental and Stem Cell Biology, Research Institute, The Hospital for Sick Children, Toronto, ON, Canada
| | - Chi-Chung Hui
- Program in Developmental and Stem Cell Biology, Research Institute, The Hospital for Sick Children, Toronto, ON, Canada.,Department of Molecular Genetics, University of Toronto, Toronto, ON, Canada
| | - Daniel Bexell
- Division of Translational Cancer Research, Department of Laboratory Medicine, Lund University, Lund, Sweden
| | - Sevan Hopyan
- Program in Developmental and Stem Cell Biology, Research Institute, The Hospital for Sick Children, Toronto, ON, Canada.,Department of Molecular Genetics, University of Toronto, Toronto, ON, Canada
| | - David Gisselsson
- Division of Clinical Genetics, Department of Laboratory Medicine, Lund University, Lund, Sweden.,Department of Pathology, Laboratory Medicine, Medical Services, University Hospital, Lund, Sweden.,Division of Oncology and Pathology, Department of Clinical Sciences, Lund University, Lund, Sweden
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37
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Wei XF, Chen QL, Fu Y, Zhang QK. Wnt and BMP signaling pathways co-operatively induce the differentiation of multiple myeloma mesenchymal stem cells into osteoblasts by upregulating EMX2. J Cell Biochem 2018; 120:6515-6527. [PMID: 30450775 DOI: 10.1002/jcb.27942] [Citation(s) in RCA: 19] [Impact Index Per Article: 3.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/21/2018] [Accepted: 10/02/2018] [Indexed: 12/15/2022]
Abstract
Osteoblast differentiation, defined as the process whereby a relatively unspecialized cell acquires the specialized features of an osteoblast, is directly linked to multiple myeloma (MM) bone disease. Wnt and bone morphogenetic protein (BMP) are proved to be implicated in the pathological or defective osteoblast differentiation process. This study aims to test the involvement of Wnt, bone morphogenetic proteins (BMP) pathways, and empty spiracles homeobox 2 (EMX2) in osteoblast differentiation and MM development. Initially, differentially expressed genes in bone marrow mesenchymal stem cells (MSCs) from MM patients and healthy donors were identified using microarray-based gene expression profiling. The functional role of Wnt and BMP in MM was determined. Next, we focused on the co-operative effects of Wnt and BMP on calcium deposition, alkaline phosphatase (ALP) activity, the number of mineralized nodules, and osteocalcin (OCN) content in MSCs. The expression patterns of Wnt and BMP pathway-related genes, EMX2 and osteoblast differentiation-related factors were determined to assess their effects on osteoblast differentiation. Furthermore, regulation of Wnt and BMP in ectopic osteogenesis was also investigated in vivo. An integrated genomic screen suggested that Wnt and BMP regularly co-operate to regulate EMX2 and affect MM. EMX2 was downregulated in MSCs. The activated Wnt and BMP resulted in more calcium salt deposits, mineralized nodules, and a noted increased in ALP activity and OCN content by upregulating EMX2, leading to induced differentiation of MSCs into osteoblasts. Collectively, this study demonstrated that Wnt and BMP pathways could co-operatively stimulate differentiation of MSCs into osteoblasts and inhibit MM progression, representing potential targets for MM treatment.
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Affiliation(s)
- Xiao-Fang Wei
- Department of Hematology, Gansu Provincial Hospital, Lanzhou, China
| | - Qiao-Lin Chen
- Department of Hematology, Gansu Provincial Hospital, Lanzhou, China
| | - Yuan Fu
- Department of Hematology, Gansu Provincial Hospital, Lanzhou, China
| | - Qi-Ke Zhang
- Department of Hematology, Gansu Provincial Hospital, Lanzhou, China
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Xu M, Chen X, Chen D, Yu B, Li M, He J, Huang Z. MicroRNA-499-5p regulates skeletal myofiber specification via NFATc1/MEF2C pathway and Thrap1/MEF2C axis. Life Sci 2018; 215:236-245. [PMID: 30419283 DOI: 10.1016/j.lfs.2018.11.020] [Citation(s) in RCA: 27] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/28/2018] [Revised: 10/29/2018] [Accepted: 11/09/2018] [Indexed: 12/20/2022]
Abstract
AIMS This study aimed to investigate the role of microRNA-499-5p (miR-499-5p) in the regulation of skeletal myofiber specification and its underlying mechanisms. MAIN METHODS Mouse C2C12 cells were used in this study. Cyclosporin A and siRNA targeting Thrap1 (si-Thrap1) were used to inhibit NFATc1/MEF2C pathway and knockdown Thrap1, respectively. The expressions of miR-499-5p and genes were evaluated by real-time quantitative PCR and western blot analysis. KEY FINDINGS Overexpression of miR-499-5p promoted oxidative fiber gene expression and repressed glycolytic fiber gene expression, affecting several factors associated with fiber specification including NFATc1/MEF2C pathway, PGC-1α, FoxO1 and Wnt5a. Inhibition of NFATc1/MEF2C pathway partly reduced the effect of miR-499-5p overexpression on muscle fiber gene expression. MiR-499-5p targeted Thrap1 in proliferating and differentiating C2C12 cells. Knockdown of Thrap1 showed a parallel function with miR-499-5p overexpression on muscle fiber gene expression and NFATc1/MEF2C pathway, accompanied by an increase of miR-499-5p level. The effects of miR-499-5p inhibitor on muscle fiber type specific gene expression and NFATc1/MEF2C pathway were effectively reversed by Thrap1 knockdown. SIGNIFICANCE MiR-499-5p regulated skeletal myofiber specification and affected several factors associated with fiber specification. MiR-499-5p regulated muscle gene expression partly through NFATc1/MEF2C pathway. We also showed a clue that miR-499-5p regulates skeletal muscle fiber specification in C2C12 cells through targeting Thrap1, thereby, promoting NFATc1/MEF2C pathway and then triggering a series of oxidative muscle fiber gene expression.
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Affiliation(s)
- Meng Xu
- Key Laboratory for Animal Disease-Resistance Nutrition of China Ministry of Education, Institute of Animal Nutrition, Sichuan Agricultural University, Chengdu, Sichuan 611130, PR China
| | - Xiaoling Chen
- Key Laboratory for Animal Disease-Resistance Nutrition of China Ministry of Education, Institute of Animal Nutrition, Sichuan Agricultural University, Chengdu, Sichuan 611130, PR China
| | - Daiwen Chen
- Key Laboratory for Animal Disease-Resistance Nutrition of China Ministry of Education, Institute of Animal Nutrition, Sichuan Agricultural University, Chengdu, Sichuan 611130, PR China
| | - Bing Yu
- Key Laboratory for Animal Disease-Resistance Nutrition of China Ministry of Education, Institute of Animal Nutrition, Sichuan Agricultural University, Chengdu, Sichuan 611130, PR China
| | - Mingzhou Li
- Institute of Animal Genetics and Breeding, College of Animal Science and Technology, Sichuan Agricultural University, Chengdu, Sichuan 611130, PR China
| | - Jun He
- Key Laboratory for Animal Disease-Resistance Nutrition of China Ministry of Education, Institute of Animal Nutrition, Sichuan Agricultural University, Chengdu, Sichuan 611130, PR China
| | - Zhiqing Huang
- Key Laboratory for Animal Disease-Resistance Nutrition of China Ministry of Education, Institute of Animal Nutrition, Sichuan Agricultural University, Chengdu, Sichuan 611130, PR China.
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Intracellular Calcium Determines the Adipogenic Differentiation Potential of Human Umbilical Cord Blood-Derived Mesenchymal Stem Cells via the Wnt5a/ β-Catenin Signaling Pathway. Stem Cells Int 2018; 2018:6545071. [PMID: 30123291 PMCID: PMC6079381 DOI: 10.1155/2018/6545071] [Citation(s) in RCA: 14] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/11/2018] [Accepted: 05/03/2018] [Indexed: 12/19/2022] Open
Abstract
Mesenchymal stem cells- (MSCs-) based therapies show different degrees of efficacies for the treatment of various diseases, including lipogenesis. We evaluated the adipogenic differentiation ability of human umbilical cord blood-derived MSCs (hUCB-MSCs) from different donors and examined the contribution of the intracellular calcium (Ca2+) level to this diversity. hUCB-MSCs treated with Ca2+ or the Ca2+ chelator BAPTA-AM increased and decreased adipogenic differentiation, respectively. Canonical Wnt5a/β-catenin expression decreased during adipogenic differentiation of hUCB-MSCs. Treatment with Wnt5a blocked the adipogenic differentiation of hUCB-MSCs and activated the Wnt pathway, with a decrease in the adipogenesis markers PPARγ and leptin, and reduced lipid vacuole-associated Oil red O activity. In contrast, inhibition of the Wnt pathway with dickkopf-1 and β-catenin small interfering RNA transfection promoted the adipogenic potential of hUCB-MSCs. Interestingly, the Ca2+-based system exhibited a synergic effect on adipogenic potential through the Wnt5a/β-catenin pathway. Our data suggest that the variable adipogenic differentiation potential of hUCB-MSCs from different lots is due to variation in the intracellular Ca2+ level, which can be used as a marker to predict hUCB-MSCs selection for lipogenesis therapy. Overall, these results demonstrate that exogenous calcium treatment enhanced the adipogenic differentiation of hUCB-MSCs via negatively regulating the Wnt5a/β-catenin signaling pathway.
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Zhu XB, Lin WJ, Lv C, Wang L, Huang ZX, Yang SW, Chen X. MicroRNA-539 promotes osteoblast proliferation and differentiation and osteoclast apoptosis through the AXNA-dependent Wnt signaling pathway in osteoporotic rats. J Cell Biochem 2018; 119:8346-8358. [PMID: 29893431 DOI: 10.1002/jcb.26910] [Citation(s) in RCA: 27] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/01/2017] [Accepted: 03/28/2018] [Indexed: 01/08/2023]
Abstract
This study aims to explore the effects of miR-539 on osteoblast proliferation and differentiation and osteoclast apoptosis in a rat model of osteoporosis, and its mechanism involving the regulation of the AXIN1-mediated wingless-Int (Wnt) signaling pathway. A rat model of osteoporosis was successfully established by ovariectomy. With osteoblasts and osteoclasts of rats not receiving ovariectomy in the sham group as control, those of osteoporotic rats were treated with miR-539 inhibitor, miR-539 mimic, and AXIN1 shRNA. The expression of miR-53, AXIN1, the Wnt pathway related-genes, apoptosis related-genes, and osteogenic markers were measured by RT-qPCR and Western blot analysis, respectively. Alkaline phosphatase (ALP) activity in osteoblast and tartrate-resistant acid phosphatase (TRAP) activity in osteoclasts were determined after cell transfection. Osteoblast and osteoclast viability was assayed by CCK-8 assay. Cell cycle and apoptosis of osteoblasts and osteoclasts were detected by flow cytometry. Lastly, alizarin red S staining was used to detect mineralized nodules of osteoblasts. Firstly, we determined that miR-539 was down-regulated in osteoblast and osteoclast of osteoporotic rats and AXIN1 was negatively regulated by miR-539. Additionally, overexpression of miR-539 increased the expressions of β-catenin, LEF1, c-myc, cyclin D1, RUNX2, BGP, BMP-2 in osteoblast as well as β-catenin, RhoA, caspase-3, and Bcl-2 in osteoclasts. Finally, overexpression of miR-539 elevated ALP activity, proliferation, and mineralized nodules in osteoblast and osteoclast apoptosis, with reduced TRAP activity in osteoclasts. Our results demonstrate that miR-539 promotes osteoblast proliferation and differentiation as well as osteoclast apoptosis through the AXIN1-dependent Wnt signaling pathway in osteoporotic rats.
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Affiliation(s)
- Xiong-Bai Zhu
- Department of Orthopedics, The First Affiliated Hospital of Wenzhou Medical University, Wenzhou, P.R. China
| | - Wen-Jun Lin
- Department of Orthopedics, The First Affiliated Hospital of Wenzhou Medical University, Wenzhou, P.R. China
| | - Chen Lv
- Department of Orthopedics, The First Affiliated Hospital of Wenzhou Medical University, Wenzhou, P.R. China
| | - Lu Wang
- Department of Orthopedics, The First Affiliated Hospital of Wenzhou Medical University, Wenzhou, P.R. China
| | - Zheng-Xiang Huang
- Department of Orthopedics, The First Affiliated Hospital of Wenzhou Medical University, Wenzhou, P.R. China
| | - Sheng-Wu Yang
- Department of Orthopedics, The First Affiliated Hospital of Wenzhou Medical University, Wenzhou, P.R. China
| | - Xin Chen
- Department of Orthopedics, The First Affiliated Hospital of Wenzhou Medical University, Wenzhou, P.R. China
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Sai L, Li L, Hu C, Qu B, Guo Q, Jia Q, Zhang Y, Bo C, Li X, Shao H, Ng JC, Peng C. Identification of circular RNAs and their alterations involved in developing male Xenopus laevis chronically exposed to atrazine. CHEMOSPHERE 2018; 200:295-301. [PMID: 29494910 DOI: 10.1016/j.chemosphere.2018.02.140] [Citation(s) in RCA: 15] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/05/2017] [Revised: 02/22/2018] [Accepted: 02/23/2018] [Indexed: 06/08/2023]
Abstract
Atrazine (AZ) is an environmental endocrine disrupting chemical which can affect the development of amphibians. In our past studies, we demonstrated that chronical exposure to 100 μg/L AZ can cause abnormalities in development and related genes expression of gonads in developing male Xenopus laevis (X. laevis) tadpoles. Recent studies by others have demonstrated that circular RNAs (circRNAs) are implicated in multiple developmental anomalies. However, whether circRNAs involve in the effects in AZ-exposed X. laevis remains unknown. In this study, over 68575 circRNAs were detected by circRNA sequencing of testis tissues from control groups (n = 3) and AZ-treated X. laevis (n = 3). Treatment of AZ led to 405 circRNAs differentially expressed including 44 upregulated and 361 downregulated compared with froglets in the control groups. Two upregulated and 6 downregulated circRNAs were further validated by real-time PCR assay which displayed consistent regulation patterns as shown by the transcriptome sequencing results. Two hundreds and eighty two differentially expressed circRNAs played miRNA sponges roles. Kyoto Encyclopedia of Genes and Genomes pathway analysis of miRNA targets showed that AZ-affected circRNAs are mainly involved in 19 pathways. The Wnt signaling pathway and progesterone-mediated oocyte maturation pathway may be two involved signal pathways. This study for the first time provides evidence that AZ can alter circRNAs which play a role in AZ-induced testicular degeneration of developing male X. laevis through regulation of expressions of functional genes in the testes of X. laevis.
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Affiliation(s)
- Linlin Sai
- Shandong Academy of Occupational Health and Occupational Medicine, Ji'nan, Shandong, China.
| | - Ling Li
- Shandong Academy of Occupational Health and Occupational Medicine, Ji'nan, Shandong, China
| | - Chenyang Hu
- Shandong Academy of Occupational Health and Occupational Medicine, Ji'nan, Shandong, China
| | - Binpeng Qu
- Shandong Medical College, Ji'nan, Shandong, China
| | - Qiming Guo
- Shandong Academy of Occupational Health and Occupational Medicine, Ji'nan, Shandong, China
| | - Qiang Jia
- Shandong Academy of Occupational Health and Occupational Medicine, Ji'nan, Shandong, China
| | - Yu Zhang
- Shandong Academy of Occupational Health and Occupational Medicine, Ji'nan, Shandong, China
| | - Cunxiang Bo
- Shandong Academy of Occupational Health and Occupational Medicine, Ji'nan, Shandong, China
| | - Xiangxin Li
- Heze Center for Disease Control and Prevention, Heze, Shandong, China
| | - Hua Shao
- Shandong Academy of Occupational Health and Occupational Medicine, Ji'nan, Shandong, China.
| | - Jack C Ng
- The University of Queensland, Queensland Alliance for Environmental Health Sciences (QAEHS), Australia
| | - Cheng Peng
- Shandong Academy of Occupational Health and Occupational Medicine, Ji'nan, Shandong, China; The University of Queensland, Queensland Alliance for Environmental Health Sciences (QAEHS), Australia
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Xu M, Chen X, Huang Z, Chen D, Yu B, Chen H, He J, Zheng P, Luo J, Yu J, Luo Y. MicroRNA-139-5p suppresses myosin heavy chain I and IIa expression via inhibition of the calcineurin/NFAT signaling pathway. Biochem Biophys Res Commun 2018; 500:930-936. [PMID: 29705696 DOI: 10.1016/j.bbrc.2018.04.202] [Citation(s) in RCA: 19] [Impact Index Per Article: 3.2] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/17/2018] [Accepted: 04/25/2018] [Indexed: 12/15/2022]
Abstract
MicroRNAs (miRNAs) are a class of small non-coding RNAs that are widely involved in a variety of biological processes. Different skeletal muscle fiber type composition exhibits characteristic differences in functional properties and energy metabolism of skeletal muscle. However, the molecular mechanism by which miRNAs control the different type of muscle fiber formation is still not fully understood. In the present study, we characterized the role of microRNA-139-5p (miR-139-5p) in the regulation of myosin heavy chain (MyHC) isoform expression and its underlying mechanisms. Here we found that the expression of miR-139-5p was significantly higher in mouse slow-twitch muscle than in fast-twitch muscle. Overexpression of miR-139-5p downregulated the expression of MyHC I and MyHC IIa, whereas inhibition of miR-139-5p upregulated them. We also found that the levels of calcineurin (CaN), NFATc1, MEF2C and MCIP1.4, which are the components of CaN/NFAT signaling pathway that has shown to positively regulate slow fiber-selective gene expression, were notably inhibited by miR-139-5p overexpression. Furthermore, treatment of phenylephrine (PE), a α1-adrenoceptor agonist, abolished the inhibitory effect of miR-139-5p on MyHC I and MyHC IIa expression. Together, our findings indicated that the role of miR-139-5p in regulating the MyHC isoforms, especially MyHC I and MyHC IIa, may be achieved through inhibiting CaN/NFAT signaling pathway.
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Affiliation(s)
- Meng Xu
- Key Laboratory for Animal Disease-Resistance Nutrition of China Ministry of Education, Institute of Animal Nutrition, Sichuan Agricultural University, Chengdu, Sichuan 611130, PR China
| | - Xiaoling Chen
- Key Laboratory for Animal Disease-Resistance Nutrition of China Ministry of Education, Institute of Animal Nutrition, Sichuan Agricultural University, Chengdu, Sichuan 611130, PR China
| | - Zhiqing Huang
- Key Laboratory for Animal Disease-Resistance Nutrition of China Ministry of Education, Institute of Animal Nutrition, Sichuan Agricultural University, Chengdu, Sichuan 611130, PR China.
| | - Daiwen Chen
- Key Laboratory for Animal Disease-Resistance Nutrition of China Ministry of Education, Institute of Animal Nutrition, Sichuan Agricultural University, Chengdu, Sichuan 611130, PR China
| | - Bing Yu
- Key Laboratory for Animal Disease-Resistance Nutrition of China Ministry of Education, Institute of Animal Nutrition, Sichuan Agricultural University, Chengdu, Sichuan 611130, PR China
| | - Hong Chen
- College of Food Science, Sichuan Agricultural University, Yaan, Sichuan 625014, PR China
| | - Jun He
- Key Laboratory for Animal Disease-Resistance Nutrition of China Ministry of Education, Institute of Animal Nutrition, Sichuan Agricultural University, Chengdu, Sichuan 611130, PR China
| | - Ping Zheng
- Key Laboratory for Animal Disease-Resistance Nutrition of China Ministry of Education, Institute of Animal Nutrition, Sichuan Agricultural University, Chengdu, Sichuan 611130, PR China
| | - Junqiu Luo
- Key Laboratory for Animal Disease-Resistance Nutrition of China Ministry of Education, Institute of Animal Nutrition, Sichuan Agricultural University, Chengdu, Sichuan 611130, PR China
| | - Jie Yu
- Key Laboratory for Animal Disease-Resistance Nutrition of China Ministry of Education, Institute of Animal Nutrition, Sichuan Agricultural University, Chengdu, Sichuan 611130, PR China
| | - Yuheng Luo
- Key Laboratory for Animal Disease-Resistance Nutrition of China Ministry of Education, Institute of Animal Nutrition, Sichuan Agricultural University, Chengdu, Sichuan 611130, PR China
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Wnt5a-induced cell migration is associated with the aggressiveness of estrogen receptor-positive breast cancer. Oncotarget 2018; 9:20979-20992. [PMID: 29765514 PMCID: PMC5940389 DOI: 10.18632/oncotarget.24761] [Citation(s) in RCA: 17] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/25/2017] [Accepted: 02/26/2018] [Indexed: 11/25/2022] Open
Abstract
Elevated expression of Wnt5a is associated with malignancy, cell invasion, and metastasis. The role of Wnt5a expression in breast cancer remains elusive. We investigated the significance of Wnt5a expression in breast cancer. The relationship between Wnt5a expression and clinicopathologic factors was assessed in invasive breast cancer (n = 178) resected at Hiroshima University Hospital between January 2011 and February 2014. Wnt5a was expressed in 69 of 178 cases (39%) of invasive breast cancer and correlated strongly with estrogen receptor (ER) expression (P < 0.001). Wnt5a expression in ER-positive breast cancer correlated significantly with lymph node metastasis, nuclear grade, and lymphatic invasion. The recurrence-free survival was shorter in breast cancer patients with Wnt5a expression than in those without (P = 0.024). The migratory capacity of ER-positive breast cancer cells increased with constitutive expression of Wnt5a and decreased with Wnt5a knockdown. DNA microarray analysis identified activated leukocyte cell adhesion molecule (ALCAM) as the primary gene induced by Wnt5a. ALCAM was expressed in 69% of Wnt5a-positive but only 27% of Wnt5a-negative cancers (κ = 0.444; P < 0.001). The inhibition of ALCAM reversed the enhanced migratory effect of Wnt5a, confirming the importance of this protein in the migration of ER-positive breast cancer cells. Wnt5a expression is related to high malignancy and a poor prognosis in ER-positive breast cancer. We suspect that Wnt5a expression increases the malignancy of breast cancer by increasing the migratory capacity of cancer cells through the induction of ALCAM expression.
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Yang M, Wang M, Li X, Xie Y, Xia X, Tian J, Zhang K, Tang A. Wnt signaling in cervical cancer? J Cancer 2018; 9:1277-1286. [PMID: 29675109 PMCID: PMC5907676 DOI: 10.7150/jca.22005] [Citation(s) in RCA: 50] [Impact Index Per Article: 8.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/19/2017] [Accepted: 12/11/2017] [Indexed: 12/20/2022] Open
Abstract
Cervical cancer (CC) is the second most common malignant cancer in women. CC is difficult to diagnose, has a high recurrence rate, and is resistant to systemic therapies; as a result, CC patients have a relatively poor prognosis. One potential link to CC is the Wnt signaling pathway and its downstream effectors, which regulate cell differentiation, proliferation, migration, and fate. The aberrant activation of Wnt signaling is associated with various cancers, including CC. Recent studies have shown that activating or inhibiting the intracellular signal transduction in this pathway can regulate cancer cell growth and viability. This review will summarize the experimental evidence supporting the significance of the Wnt signaling pathway in CC, and will also discuss the current clinical role of Wnt signaling in CC diagnosis, therapy, and prognosis.
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Affiliation(s)
- Min Yang
- Department of Laboratory Medicine, the Second Xiangya Hospital, Central South University, Changsha, Hunan 410011, China
| | - Min Wang
- Department of Laboratory Medicine, the Second Xiangya Hospital, Central South University, Changsha, Hunan 410011, China
| | - Xianping Li
- Department of Laboratory Medicine, the Second Xiangya Hospital, Central South University, Changsha, Hunan 410011, China
| | - Yixin Xie
- Department of Laboratory Medicine, the Second Xiangya Hospital, Central South University, Changsha, Hunan 410011, China
| | - Xiaomeng Xia
- Department of Obstetrics and Gynecology, the Second Xiangya Hospital, Central South University, Changsha, Hunan 410011, China
| | - Jingjing Tian
- Department of Laboratory Medicine, the Second Xiangya Hospital, Central South University, Changsha, Hunan 410011, China
| | - Kan Zhang
- Department of Laboratory Medicine, the Second Xiangya Hospital, Central South University, Changsha, Hunan 410011, China
| | - Aiguo Tang
- Department of Laboratory Medicine, the Second Xiangya Hospital, Central South University, Changsha, Hunan 410011, China
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Wei X, Gong J, Ma J, Zhang T, Li Y, Lan T, Guo P, Qi S. Targeting the Dvl-1/β-arrestin2/JNK3 interaction disrupts Wnt5a-JNK3 signaling and protects hippocampal CA1 neurons during cerebral ischemia reperfusion. Neuropharmacology 2018; 135:11-21. [PMID: 29510185 DOI: 10.1016/j.neuropharm.2018.03.006] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/11/2017] [Revised: 02/28/2018] [Accepted: 03/02/2018] [Indexed: 12/21/2022]
Abstract
It is well known that Wnt5a activation plays a pivotal role in brain injury and β-arrestin2 induces c-Jun N-terminal kinase (JNK3) activation is involved in neuronal cell death. Nonetheless, the relationship between Wnt5a and JNK3 remains unexplored during cerebral ischemia/reperfusion (I/R). In the present study, we tested the hypothesis that Wnt5a-mediated JNK3 activation via the Wnt5a-Dvl-1-β-arrestin2-JNK3 signaling pathway was correlated with I/R brain injury. We found that cerebral I/R could enhance the assembly of the Dvl-1-β-arrestin2-JNK3 signaling module, Dvl-1 phosphorylation and JNK3 activation. Activated JNK3 could phosphorylate the transcription factor c-Jun, prompt caspase-3 activation and ultimately lead to neuronal cell death. To further explore specifically Wnt5a mediated JNK3 pathway activation in neuronal injury, we used Foxy-5 (a peptide that mimics the effects of Wnt5a) and Box5 (a Wnt5a antagonist) both in vitro and in vivo. AS-β-arrestin2 (an antisense oligonucleotide against β-arrestin2) and RRSLHL (a small peptide that competes with β-arrestin2 for binding to JNK3) were applied to confirm the positive signal transduction effect of the Dvl-1-β-arrestin2-JNK3 signaling module during cerebral I/R. Furthermore, Box5 and the RRSLHL peptide were found to play protective roles in neuronal death both in vivo global and focal cerebral I/R rat models and in vitro oxygen glucose deprivation (OGD) neural cells. In summary, our results indicate that Wnt5a-mediated JNK3 activation participates in I/R brain injury by targeting the Dvl-1-β-arrestin2/JNK3 interaction. Our results also point to the possibility that disrupting Wnt5a-JNK3 signaling pathway may provide a new approach for stroke therapy.
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Affiliation(s)
- Xuewen Wei
- Research Center for Biochemistry and Molecular Biology and Jiangsu Key Laboratory of Brain Disease Bioinformation, Xuzhou Medical University, Xuzhou, 221002, PR China; Department of Laboratory Medicine, Affiliated Municipal Hospital of Xuzhou Medical University, Xuzhou, Jiangsu, 221002, China
| | - JuanJuan Gong
- Research Center for Biochemistry and Molecular Biology and Jiangsu Key Laboratory of Brain Disease Bioinformation, Xuzhou Medical University, Xuzhou, 221002, PR China
| | - Juyun Ma
- Research Center for Biochemistry and Molecular Biology and Jiangsu Key Laboratory of Brain Disease Bioinformation, Xuzhou Medical University, Xuzhou, 221002, PR China
| | - Taiyu Zhang
- Research Center for Biochemistry and Molecular Biology and Jiangsu Key Laboratory of Brain Disease Bioinformation, Xuzhou Medical University, Xuzhou, 221002, PR China
| | - Yihang Li
- Research Center for Biochemistry and Molecular Biology and Jiangsu Key Laboratory of Brain Disease Bioinformation, Xuzhou Medical University, Xuzhou, 221002, PR China
| | - Ting Lan
- School of Medical Technology, Xuzhou Medical University, Xuzhou, 221002, PR China
| | - Peng Guo
- Research Center for Biochemistry and Molecular Biology and Jiangsu Key Laboratory of Brain Disease Bioinformation, Xuzhou Medical University, Xuzhou, 221002, PR China
| | - Suhua Qi
- Research Center for Biochemistry and Molecular Biology and Jiangsu Key Laboratory of Brain Disease Bioinformation, Xuzhou Medical University, Xuzhou, 221002, PR China; School of Medical Technology, Xuzhou Medical University, Xuzhou, 221002, PR China.
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46
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Nerve growth factor modulates the tumor cells migration in ovarian cancer through the WNT/β-catenin pathway. Oncotarget 2018; 7:81026-81048. [PMID: 27835587 PMCID: PMC5348374 DOI: 10.18632/oncotarget.13186] [Citation(s) in RCA: 20] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/13/2016] [Accepted: 10/21/2016] [Indexed: 12/21/2022] Open
Abstract
Nerve growth factor (NGF)/nerve growth factor receptors (NGFRs) axis and canonical WNT/β-catenin pathway have shown to play crucial roles in tumor initiation, progression and prognosis. But little did we know the relationship between them in modulation of tumor progress. In this report, we found that NGF/NGFRs and β-catenin were coexpression in ovarian cancer cell lines, and NGF can decrease the expression level of β-catenin and affect its activities, which may be related to the NGF-induced down-regulation of B-cell CLL/lymphoma 9-like (BCL9L, BCL9-2). Furthermore, NGF can also increase or decrease the downstream target gene expression levels of WNT/β-catenin depending on the cell types. Especially, we created a novel in vitro cell growth model based on a microfluidic device to intuitively observe the effects of NGF/NGFRs on the motility behaviors of ovarian cancer cells. The results showed that the migration area and maximum distance into three dimensional (3D) matrigel were decreased in CAOV3 and OVCAR3 cells, but increased in SKOV3 cells following the stimulation with NGF. In addition, we found that the cell colony area was down-regulated in CAOV3 cells, however, it was augmented in OVCAR3 cells after treatment with NGF. The inhibitors of NGF/NGFRs, such as Ro 08-2750, K252a and LM11A-31,can all block NGF-stimulated changes of gene expression or migratory behavior on ovarian cancer cells. The different results among ovarian cancer cells illustrated the heterogeneity and complexity of ovarian cancer. Collectively, our results suggested for the first time that NGF is functionally linked to β-catenin in the migration of human ovarian cancer cells, which may be a novel therapeutic perspective to prevent the spread of ovarian carcinomas by studying the interaction between NGF/NGFRs and canonical WNT/β-catenin signaling.
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Clough BH, Zeitouni S, Krause U, Chaput CD, Cross LM, Gaharwar AK, Gregory CA. Rapid Osteogenic Enhancement of Stem Cells in Human Bone Marrow Using a Glycogen-Synthease-Kinase-3-Beta Inhibitor Improves Osteogenic Efficacy In Vitro and In Vivo. Stem Cells Transl Med 2018; 7:342-353. [PMID: 29405665 PMCID: PMC5866944 DOI: 10.1002/sctm.17-0229] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/19/2017] [Revised: 12/06/2017] [Accepted: 12/26/2017] [Indexed: 12/12/2022] Open
Abstract
Non‐union defects of bone are a major problem in orthopedics, especially for patients with a low healing capacity. Fixation devices and osteoconductive materials are used to provide a stable environment for osteogenesis and an osteogenic component such as autologous human bone marrow (hBM) is then used, but robust bone formation is contingent on the healing capacity of the patients. A safe and rapid procedure for improvement of the osteoanabolic properties of hBM is, therefore, sought after in the field of orthopedics, especially if it can be performed within the temporal limitations of the surgical procedure, with minimal manipulation, and at point‐of‐care. One way to achieve this goal is to stimulate canonical Wingless (cWnt) signaling in bone marrow‐resident human mesenchymal stem cells (hMSCs), the presumptive precursors of osteoblasts in bone marrow. Herein, we report that the effects of cWnt stimulation can be achieved by transient (1–2 hours) exposure of osteoprogenitors to the GSK3β‐inhibitor (2′Z,3′E)‐6‐bromoindirubin‐3′‐oxime (BIO) at a concentration of 800 nM. Very‐rapid‐exposure‐to‐BIO (VRE‐BIO) on either hMSCs or whole hBM resulted in the long‐term establishment of an osteogenic phenotype associated with accelerated alkaline phosphatase activity and enhanced transcription of the master regulator of osteogenesis, Runx2. When VRE‐BIO treated hBM was tested in a rat spinal fusion model, VRE‐BIO caused the formation of a denser, stiffer, fusion mass as compared with vehicle treated hBM. Collectively, these data indicate that the VRE‐BIO procedure may represent a rapid, safe, and point‐of‐care strategy for the osteogenic enhancement of autologous hBM for use in clinical orthopedic procedures. stemcellstranslationalmedicine2018;7:342–353
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Affiliation(s)
- Bret H Clough
- Department of Molecular and Cellular Medicine, Institute for Regenerative Medicine, Texas A&M Health Science Center, College Station, Texas, USA
| | - Suzanne Zeitouni
- Department of Molecular and Cellular Medicine, Institute for Regenerative Medicine, Texas A&M Health Science Center, College Station, Texas, USA
| | - Ulf Krause
- Institute for Transfusion Medicine and Transplant Immunology, University Hospital Muenster, Muenster, Germany
| | - Christopher D Chaput
- Department of Orthopedic Surgery, Baylor Scott and White Hospital, Temple, Texas, USA
| | - Lauren M Cross
- Department of Biomedical Engineering, Texas A&M University, College Station, Texas, USA
| | - Akhilesh K Gaharwar
- Department of Biomedical Engineering, Texas A&M University, College Station, Texas, USA.,Department of Material Sciences, College Station, Texas, USA.,Center for Remote Health Technologies and Systems, Texas A&M University, College Station, Texas, USA
| | - Carl A Gregory
- Department of Molecular and Cellular Medicine, Institute for Regenerative Medicine, Texas A&M Health Science Center, College Station, Texas, USA
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Akiva I, Birgül Iyison N. MGAT1 is a novel transcriptional target of Wnt/β-catenin signaling pathway. BMC Cancer 2018; 18:60. [PMID: 29310626 PMCID: PMC5759366 DOI: 10.1186/s12885-017-3960-7] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/29/2017] [Accepted: 12/21/2017] [Indexed: 01/28/2023] Open
Abstract
BACKGROUND The Wnt/β-catenin signaling pathway is an evolutionary conserved pathway, which has important functions in vertebrate early development, axis formation, cellular proliferation and morphogenesis. Additionally, Wnt/β-catenin signaling pathway is one of the most important intracellular pathways that controls cancer progression. To date most of the identified targets of this pathway are shown to harbor tumorigenic properties. We previously showed that Mannosyl glycoprotein acetylglucosaminyl-transferase (MGAT1) enzyme is among the Wnt/β-catenin signaling putative target genes in hepatocellular carcinoma cell lines (Huh7). METHODS MGAT1 protein levels were determined by Western Blotting from Huh7 cell lines in which Wnt/β-catenin pathway was activated by means of different approaches such as LiCl treatment and mutant β-catenin overexpression. Luciferase reporter assay was used to analyze the promoter activity of MGAT1. The mRNA levels of MGAT1 were determined by quantitative real-time PCR from Huh7 cells that were treated with either Wnt agonist or GSK-3β inhibitor. Wound healing and XTT cell proliferation assays were performed in order to determine the proliferation and migration capacities of MGAT1 overexpressing stable Huh7 cells. Finally, xenograft experiments were carried out to measure the tumor formation capacities in vivo. RESULTS In this study we showed that the activation of Wnt/β-catenin pathway culminates in the upregulation of MGAT1 enzyme both at transcriptional and post-transcriptional levels. We also showed that overexpression of the β-catenin gene (CTNNB1) increased the promoter activity of MGAT1. We applied a set of complementary approaches to elucidate the functional importance of MGAT1 as a vital target of Wnt/β-catenin signaling in Huh7 cells. Our analyses related to cell proliferation and migration assays showed that in comparison to the control cells, MGAT1 expressing Huh7 cells have greater proliferative and invasive capabilities. Furthermore, the stable overexpression of MGAT1 gene in Huh7 cell lines lead to a significant increase in tumor growth rate in Severe Combined Immunodeficient (SCID) mice. CONCLUSIONS Taken together, we showed for the first time that MGAT is a novel Wnt/β-catenin pathway target that has important implications for tumorigenesis.
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Affiliation(s)
- Izzet Akiva
- Department of Molecular Biology and Genetics, Institute of Graduate Studies in Science and Engineering, Boğaziçi University, İstanbul, Turkey
| | - Necla Birgül Iyison
- Department of Molecular Biology and Genetics, Institute of Graduate Studies in Science and Engineering, Boğaziçi University, İstanbul, Turkey.
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Wang X, Huai G, Wang H, Liu Y, Qi P, Shi W, Peng J, Yang H, Deng S, Wang Y. Mutual regulation of the Hippo/Wnt/LPA/TGF‑β signaling pathways and their roles in glaucoma (Review). Int J Mol Med 2017; 41:1201-1212. [PMID: 29286147 PMCID: PMC5819904 DOI: 10.3892/ijmm.2017.3352] [Citation(s) in RCA: 16] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/18/2016] [Accepted: 12/15/2017] [Indexed: 12/14/2022] Open
Abstract
Glaucoma is the leading cause of irreversible blindness worldwide and there is no effective treatment thus far. The trabecular meshwork has been identified as the major pathological area involved. Certain signaling pathways in the trabecular meshwork, including the Wnt, lysophosphatidic acid and transforming growth factor-β pathways, have been identified as novel therapeutic targets in glaucoma treatment. Meanwhile, it has been reported that key proteins in these pathways, particularly the primary transcription regulator Yes-associated protein (YAP) and transcriptional co-activator with PDZ-binding motif (TAZ), exhibit interactions with the Hippo pathway. The Hippo pathway, which was first identified in Drosophila, has drawn great focus with regard to various aspects of studies in recent years. One role of the Hippo pathway in the regulation of organ size was indicated by more recent evidence. Defining the relevant physiological function of the Hippo pathway has proven to be extremely complicated. Studies have ascribed a role for the Hippo pathway in an overwhelming number of processes, including cell proliferation, cell death and cell differentiation. Therefore, the present review aimed to unravel the roles of YAP and TAZ in the Hippo pathway and the pathogenesis of glaucoma. Furthermore, a new and creative study for the treatment of glaucoma is provided.
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Affiliation(s)
- Xin Wang
- Department of Biomedical Engineering, Medical School of University of Electronic Science and Technology of China, Chengdu, Sichuan 610054, P.R. China
| | - Guoli Huai
- Department of Biomedical Engineering, Medical School of University of Electronic Science and Technology of China, Chengdu, Sichuan 610054, P.R. China
| | - Hailian Wang
- Institute of Organ Transplantation, Sichuan Academy of Medical Science and Sichuan Provincial People's Hospital, Chengdu, Sichuan 610072, P.R. China
| | - Yuande Liu
- 91388 Military Hospital, Zhanjiang, Guangdong 524022, P.R. China
| | - Ping Qi
- Department of Pediatrics, Sichuan Academy of Medical Science and Sichuan Provincial People's Hospital, Chengdu, Sichuan 610072, P.R. China
| | - Wei Shi
- Department of Pediatrics, Sichuan Academy of Medical Science and Sichuan Provincial People's Hospital, Chengdu, Sichuan 610072, P.R. China
| | - Jie Peng
- Department of Biomedical Engineering, Medical School of University of Electronic Science and Technology of China, Chengdu, Sichuan 610054, P.R. China
| | - Hongji Yang
- Institute of Organ Transplantation, Sichuan Academy of Medical Science and Sichuan Provincial People's Hospital, Chengdu, Sichuan 610072, P.R. China
| | - Shaoping Deng
- Institute of Organ Transplantation, Sichuan Academy of Medical Science and Sichuan Provincial People's Hospital, Chengdu, Sichuan 610072, P.R. China
| | - Yi Wang
- Department of Biomedical Engineering, Medical School of University of Electronic Science and Technology of China, Chengdu, Sichuan 610054, P.R. China
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Oguma J, Ozawa S, Kazuno A, Nitta M, Ninomiya Y, Kajiwara H. Wnt3a expression is associated with poor prognosis of esophageal squamous cell carcinoma. Oncol Lett 2017; 15:3100-3108. [PMID: 29435043 DOI: 10.3892/ol.2017.7666] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/28/2017] [Accepted: 11/07/2017] [Indexed: 12/17/2022] Open
Abstract
The Wnt signaling pathway is widely implicated in various types of cancer. Canonical Wnt signaling, including Wnt3a, may be a key component of cancer progression or chemoresistance. Consequently, it was hypothesized that Wnt3a expression may be a prognostic factor of esophageal squamous cell carcinoma (ESCC) due to its roles in chemoresistance and tumor progression. The aim of the present study was to investigate the association between Wnt3a expression and prognosis in patients with ESCC. Wnt3a expression was evaluated in resected specimens from 139 patients with thoracic ESCC who were subjected to curative surgery without neoadjuvant therapy in Tokai University Hospital between 2007 and 2009. Samples were assessed using immnohistochemistry. Patients with ESCC were divided into two groups according to the expression of Wnt3a in tumor tissue. The influence of Wnt3a expression on clinicopathological findings and prognosis of ESCC were subsequently investigated. Immnohistologically, 68 cases were Wnt3a-positive in the cytoplasm of cancer cells, whereas 71 cases were negative. Multivariate analysis by Cox proportional hazard model showed the association between pN (HR=3.539, P=0.001), venous invasion (HR=2.798, P=0.012), Wnt3a expression (HR=1.691, P=0.046) and overall survival (OS). OS rate and disease-free survival rate were poorer in Wnt3a-positive group compared with those in the Wnt3a-negative group as indicated by the log-rank test (P=0.012 and P=0.023, respectively). In pathological stages I and II, there was no significant difference in the OS rate between Wnt3a-positive and Wnt3a-negative groups; however, the OS rate of the Wnt3a-positive group was significantly worse than that of Wnt3a-negative group in pathological stage III (log rank test; P=0.017). Wnt3a-positive patients with recurrence had a significantly poorer prognosis compared with Wnt3a-negative patients (log-rank test; P=0.023). The present findings suggested that Wnt3a may be a prognostic factor of ESCC.
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Affiliation(s)
- Junya Oguma
- Department of Gastroenterological Surgery, Tokai University School of Medicine, Isehara, Kanagawa 259-1193, Japan
| | - Soji Ozawa
- Department of Gastroenterological Surgery, Tokai University School of Medicine, Isehara, Kanagawa 259-1193, Japan
| | - Akihito Kazuno
- Department of Gastroenterological Surgery, Tokai University School of Medicine, Isehara, Kanagawa 259-1193, Japan
| | - Miho Nitta
- Department of Gastroenterological Surgery, Tokai University School of Medicine, Isehara, Kanagawa 259-1193, Japan
| | - Yamato Ninomiya
- Department of Gastroenterological Surgery, Tokai University School of Medicine, Isehara, Kanagawa 259-1193, Japan
| | - Hiroshi Kajiwara
- Department of Pathology, Tokai University School of Medicine, Isehara, Kanagawa 259-1193, Japan
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