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Wang J, Li S, Zhang X, Zhu N, Yiminniyaze R, Dong L, Li C, Gulinuer W, Xia J, Li J, Zhou D, Liu X, Zhang Y, Zhang Y, Li S. Protein tyrosine phosphatase PTPL1 suppresses lung cancer through Src/ERK/YAP1 signaling. Thorac Cancer 2022; 13:3042-3051. [PMID: 36193770 PMCID: PMC9626330 DOI: 10.1111/1759-7714.14657] [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: 05/31/2022] [Revised: 08/29/2022] [Accepted: 08/30/2022] [Indexed: 01/07/2023] Open
Abstract
BACKGROUND To reveal the function of protein tyrosine phosphatase-L1 (PTPL1) in lung adenocarcinoma. METHODS Lung cancer cell lines were transfected with short hairpin RNA against PTPL1 (shPTPL1 group) or negative control (shmock group). Quantitative real-time polymerase chain reaction (qRT-PCR) and western blotting were used to verify the transfection efficacy. Cell proliferation was analyzed by ethynyldeoxyuridine (EdU), Cell counting kit 8 (CCK8), and colony formation assay after PTPL1 or PTPL1 and yes-associated protein (YAP1) knockdown. The effect of PTPL1 on tumor growth was examined in a xenograft lung cancer model. RESULTS PTPL1 was downregulated in various types of lung cancer cell lines. The EdU, CCK8, colony formation assays and investigation using a xenograft lung cancer model indicated that PTPL1 knockdown increased the proliferation of lung cancer cells. Mechanistically, PTPL1 knockdown induced the activation of the Proto-oncogene tyrosine-protein kinase SRC (Src)/Extracellular regulated MAP kinase (ERK) pathway and thereby promoted yes-associated protein (YAP1) nuclear translocation and activation. CONCLUSIONS In our study, PTPL1 played a crucial suppressive role in the pathogenesis of lung cancer potentially through counteracting the Src/ERK/YAP1 pathway.
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Affiliation(s)
- Jing Wang
- Department of Pulmonary and Critical Care Medicine, Huashan HospitalFudan UniversityShanghaiChina
| | - Shuanghui Li
- Department of Pulmonary and Critical Care Medicine, Huashan HospitalFudan UniversityShanghaiChina
| | - Xiujuan Zhang
- Department of Pulmonary and Critical Care Medicine, Huashan HospitalFudan UniversityShanghaiChina
| | - Ning Zhu
- Department of Pulmonary and Critical Care Medicine, Huashan HospitalFudan UniversityShanghaiChina
| | - Ruzetuoheti Yiminniyaze
- Department of Pulmonary and Critical Care Medicine, Huashan HospitalFudan UniversityShanghaiChina
| | - Liang Dong
- Department of Pulmonary and Critical Care Medicine, Huashan HospitalFudan UniversityShanghaiChina
| | - Chengwei Li
- Department of Pulmonary and Critical Care Medicine, Huashan HospitalFudan UniversityShanghaiChina
| | - Wumaier Gulinuer
- Department of Pulmonary and Critical Care Medicine, Huashan HospitalFudan UniversityShanghaiChina
| | - Jingwen Xia
- Department of Pulmonary and Critical Care Medicine, Huashan HospitalFudan UniversityShanghaiChina
| | - Jing Li
- Department of Pulmonary and Critical Care Medicine, Huashan HospitalFudan UniversityShanghaiChina
| | - Daibing Zhou
- Department of Pulmonary and Critical Care Medicine, Huashan HospitalFudan UniversityShanghaiChina
| | - Xinning Liu
- Department of Pulmonary and Critical Care Medicine, Huashan HospitalFudan UniversityShanghaiChina
| | - Youzhi Zhang
- Department of Pulmonary and Critical Care Medicine, Huashan HospitalFudan UniversityShanghaiChina
| | - Yuanyuan Zhang
- Department of Pulmonary and Critical Care Medicine, Huashan HospitalFudan UniversityShanghaiChina
| | - Shengqing Li
- Department of Pulmonary and Critical Care Medicine, Huashan HospitalFudan UniversityShanghaiChina
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The Tyrosine Phosphatase SHP2: A New Target for Insulin Resistance? Biomedicines 2022; 10:biomedicines10092139. [PMID: 36140242 PMCID: PMC9495760 DOI: 10.3390/biomedicines10092139] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/15/2022] [Revised: 08/26/2022] [Accepted: 08/28/2022] [Indexed: 11/17/2022] Open
Abstract
The SH2 containing protein tyrosine phosphatase 2(SHP2) plays essential roles in fundamental signaling pathways, conferring on it versatile physiological functions during development and in homeostasis maintenance, and leading to major pathological outcomes when dysregulated. Many studies have documented that SHP2 modulation disrupted glucose homeostasis, pointing out a relationship between its dysfunction and insulin resistance, and the therapeutic potential of its targeting. While studies from cellular or tissue-specific models concluded on both pros-and-cons effects of SHP2 on insulin resistance, recent data from integrated systems argued for an insulin resistance promoting role for SHP2, and therefore a therapeutic benefit of its inhibition. In this review, we will summarize the general knowledge of SHP2’s molecular, cellular, and physiological functions, explaining the pathophysiological impact of its dysfunctions, then discuss its protective or promoting roles in insulin resistance as well as the potency and limitations of its pharmacological modulation.
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Djptpn11 is indispensable for planarian regeneration by affecting early wound response genes expression and the Wnt pathway. Biochimie 2022; 201:184-195. [PMID: 35868605 DOI: 10.1016/j.biochi.2022.07.007] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/22/2022] [Revised: 07/14/2022] [Accepted: 07/15/2022] [Indexed: 12/22/2022]
Abstract
Planarian is an ideal model system of studying regeneration. Stem cell system and positional control genes (PCGs) are two important factors for perfect regeneration of planarians and they combine to promote their regeneration. Even so, how wounds regulate proliferation and neoblast fate is still important areas to address. Ptpn11 (Protein tyrosine phosphatase non-receptor type 11), one of PTP (Protein tyrosine phosphatase) family members, plays an important role in cellular processes including cell survival, proliferation, differentiation and apoptosis. Nevertheless, the role of ptpn11 in the planarian regeneration has not been fully studied. In this study, we identify the Djptpn11 gene to observe its function in planarian regeneration. The results reveal that the regeneration is severely inhibited and cause the disorder homeostasis in planarians. Furthermore, the stem cells proliferation and differentiation decreases while the apoptosis increases following Djptpn11 RNAi. At the same time, Djptpn11 affects the expression levels of early wound response genes (Djegr2, Dj1-jun, Djrunt1, Djwnt1 and Djnotum). Djwnt1 and Djnotum are two key Wnt signaling pathway genes and Djptpn11 affects the expression levels of Djwnt1 and Djnotum in the early and late stages of planarian regeneration. In general, Djptpn11 is indispensable for the homeostasis and regeneration of planarian by affecting the stem cells, early wound response genes and the Wnt pathway.
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Elvira B, Vandenbempt V, Bauzá-Martinez J, Crutzen R, Negueruela J, Ibrahim H, Winder ML, Brahma MK, Vekeriotaite B, Martens PJ, Singh SP, Rossello F, Lybaert P, Otonkoski T, Gysemans C, Wu W, Gurzov EN. PTPN2 Regulates the Interferon Signaling and Endoplasmic Reticulum Stress Response in Pancreatic β-Cells in Autoimmune Diabetes. Diabetes 2022; 71:653-668. [PMID: 35044456 DOI: 10.2337/db21-0443] [Citation(s) in RCA: 8] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 05/21/2021] [Accepted: 01/03/2022] [Indexed: 11/13/2022]
Abstract
Type 1 diabetes (T1D) results from autoimmune destruction of β-cells in the pancreas. Protein tyrosine phosphatases (PTPs) are candidate genes for T1D and play a key role in autoimmune disease development and β-cell dysfunction. Here, we assessed the global protein and individual PTP profiles in the pancreas from nonobese mice with early-onset diabetes (NOD) mice treated with an anti-CD3 monoclonal antibody and interleukin-1 receptor antagonist. The treatment reversed hyperglycemia, and we observed enhanced expression of PTPN2, a PTP family member and T1D candidate gene, and endoplasmic reticulum (ER) chaperones in the pancreatic islets. To address the functional role of PTPN2 in β-cells, we generated PTPN2-deficient human stem cell-derived β-like and EndoC-βH1 cells. Mechanistically, we demonstrated that PTPN2 inactivation in β-cells exacerbates type I and type II interferon signaling networks and the potential progression toward autoimmunity. Moreover, we established the capacity of PTPN2 to positively modulate the Ca2+-dependent unfolded protein response and ER stress outcome in β-cells. Adenovirus-induced overexpression of PTPN2 partially protected from ER stress-induced β-cell death. Our results postulate PTPN2 as a key protective factor in β-cells during inflammation and ER stress in autoimmune diabetes.
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Affiliation(s)
- Bernat Elvira
- Signal Transduction and Metabolism Laboratory, Laboratoire de Gastroentérologie Expérimental et Endotools, Université Libre de Bruxelles, Brussels, Belgium
| | - Valerie Vandenbempt
- Signal Transduction and Metabolism Laboratory, Laboratoire de Gastroentérologie Expérimental et Endotools, Université Libre de Bruxelles, Brussels, Belgium
| | - Julia Bauzá-Martinez
- Biomolecular Mass Spectrometry and Proteomics, Bijvoet Center for Biomolecular Research and Utrecht Institute for Pharmaceutical Sciences, Utrecht University, Utrecht, the Netherlands
- Netherlands Proteomics Centre, Utrecht, the Netherlands
| | - Raphaël Crutzen
- Laboratory of Physiology and Pharmacology, Faculty of Medicine, Université Libre de Bruxelles, Brussels, Belgium
| | - Javier Negueruela
- Signal Transduction and Metabolism Laboratory, Laboratoire de Gastroentérologie Expérimental et Endotools, Université Libre de Bruxelles, Brussels, Belgium
| | - Hazem Ibrahim
- Stem Cells and Metabolism Research Program, Faculty of Medicine, University of Helsinki, Helsinki, Finland
| | - Matthew L Winder
- Stem Cells and Metabolism Research Program, Faculty of Medicine, University of Helsinki, Helsinki, Finland
| | - Manoja K Brahma
- Signal Transduction and Metabolism Laboratory, Laboratoire de Gastroentérologie Expérimental et Endotools, Université Libre de Bruxelles, Brussels, Belgium
| | - Beata Vekeriotaite
- Signal Transduction and Metabolism Laboratory, Laboratoire de Gastroentérologie Expérimental et Endotools, Université Libre de Bruxelles, Brussels, Belgium
| | - Pieter-Jan Martens
- Clinical and Experimental Endocrinology, Department of Chronic Diseases, Metabolism and Ageing, Campus Gasthuisberg O&N 1, KU Leuven, Leuven, Belgium
| | | | - Fernando Rossello
- University of Melbourne Centre for Cancer Research, University of Melbourne, Melbourne, Victoria, Australia
| | - Pascale Lybaert
- Laboratory of Physiology and Pharmacology, Faculty of Medicine, Université Libre de Bruxelles, Brussels, Belgium
| | - Timo Otonkoski
- Stem Cells and Metabolism Research Program, Faculty of Medicine, University of Helsinki, Helsinki, Finland
| | - Conny Gysemans
- Clinical and Experimental Endocrinology, Department of Chronic Diseases, Metabolism and Ageing, Campus Gasthuisberg O&N 1, KU Leuven, Leuven, Belgium
| | - Wei Wu
- Biomolecular Mass Spectrometry and Proteomics, Bijvoet Center for Biomolecular Research and Utrecht Institute for Pharmaceutical Sciences, Utrecht University, Utrecht, the Netherlands
- Netherlands Proteomics Centre, Utrecht, the Netherlands
| | - Esteban N Gurzov
- Signal Transduction and Metabolism Laboratory, Laboratoire de Gastroentérologie Expérimental et Endotools, Université Libre de Bruxelles, Brussels, Belgium
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Young KA, Biggins L, Sharpe HJ. Protein tyrosine phosphatases in cell adhesion. Biochem J 2021; 478:1061-1083. [PMID: 33710332 PMCID: PMC7959691 DOI: 10.1042/bcj20200511] [Citation(s) in RCA: 17] [Impact Index Per Article: 5.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/19/2020] [Revised: 02/10/2021] [Accepted: 02/12/2021] [Indexed: 02/07/2023]
Abstract
Adhesive structures between cells and with the surrounding matrix are essential for the development of multicellular organisms. In addition to providing mechanical integrity, they are key signalling centres providing feedback on the extracellular environment to the cell interior, and vice versa. During development, mitosis and repair, cell adhesions must undergo extensive remodelling. Post-translational modifications of proteins within these complexes serve as switches for activity. Tyrosine phosphorylation is an important modification in cell adhesion that is dynamically regulated by the protein tyrosine phosphatases (PTPs) and protein tyrosine kinases. Several PTPs are implicated in the assembly and maintenance of cell adhesions, however, their signalling functions remain poorly defined. The PTPs can act by directly dephosphorylating adhesive complex components or function as scaffolds. In this review, we will focus on human PTPs and discuss their individual roles in major adhesion complexes, as well as Hippo signalling. We have collated PTP interactome and cell adhesome datasets, which reveal extensive connections between PTPs and cell adhesions that are relatively unexplored. Finally, we reflect on the dysregulation of PTPs and cell adhesions in disease.
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Affiliation(s)
- Katherine A. Young
- Signalling Programme, Babraham Institute, Babraham Research Campus, Cambridge CB22 3AT, U.K
| | - Laura Biggins
- Bioinformatics, Babraham Institute, Babraham Research Campus, Cambridge CB22 3AT, U.K
| | - Hayley J. Sharpe
- Signalling Programme, Babraham Institute, Babraham Research Campus, Cambridge CB22 3AT, U.K
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Novel and Converging Ways of NOX2 and SOD3 in Trafficking and Redox Signaling in Macrophages. Antioxidants (Basel) 2021; 10:antiox10020172. [PMID: 33503855 PMCID: PMC7911390 DOI: 10.3390/antiox10020172] [Citation(s) in RCA: 11] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/31/2020] [Revised: 01/20/2021] [Accepted: 01/21/2021] [Indexed: 12/16/2022] Open
Abstract
Macrophages and related tissue macrophage populations use the classical NADPH oxidase (NOX2) for the regulated production of superoxide and derived oxidants for pathogen combat and redox signaling. With an emphasis on macrophages, we discuss how sorting into secretory storage vesicles, agonist-responsive membrane trafficking, and segregation into sphingolipid and cholesterol-enriched microdomains (lipid rafts) determine the subcellular distribution and spatial organization of NOX2 and superoxide dismutase-3 (SOD3). We discuss how inflammatory activation of macrophages, in part through small GTPase Rab27A/B regulation of the secretory compartments, mediates the coalescence of these two proteins on the cell surface to deliver a focalized hydrogen peroxide output. In interplay with membrane-embedded oxidant transporters and redox sensitive target proteins, this arrangement allows for the autocrine and paracrine signaling, which govern macrophage activation states and transcriptional programs. By discussing examples of autocrine and paracrine redox signaling, we highlight why formation of spatiotemporal microenvironments where produced superoxide is rapidly converted to hydrogen peroxide and conveyed immediately to reach redox targets in proximal vicinity is required for efficient redox signaling. Finally, we discuss the recent discovery of macrophage-derived exosomes as vehicles of NOX2 holoenzyme export to other cells.
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Breus O, Dickmeis T. Genetically encoded thiol redox-sensors in the zebrafish model: lessons for embryonic development and regeneration. Biol Chem 2020; 402:363-378. [PMID: 33021959 DOI: 10.1515/hsz-2020-0269] [Citation(s) in RCA: 9] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/31/2020] [Accepted: 09/28/2020] [Indexed: 12/14/2022]
Abstract
Important roles for reactive oxygen species (ROS) and redox signaling in embryonic development and regenerative processes are increasingly recognized. However, it is difficult to obtain information on spatiotemporal dynamics of ROS production and signaling in vivo. The zebrafish is an excellent model for in vivo bioimaging and possesses a remarkable regenerative capacity upon tissue injury. Here, we review data obtained in this model system with genetically encoded redox-sensors targeting H2O2 and glutathione redox potential. We describe how such observations have prompted insight into regulation and downstream effects of redox alterations during tissue differentiation, morphogenesis and regeneration. We also discuss the properties of the different sensors and their consequences for the interpretation of in vivo imaging results. Finally, we highlight open questions and additional research fields that may benefit from further application of such sensor systems in zebrafish models of development, regeneration and disease.
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Affiliation(s)
- Oksana Breus
- Institute of Biological and Chemical Systems - Biological Information Processing, Karlsruhe Institute of Technology, Hermann-von-Helmholtz-Platz 1, D-76344Eggenstein-Leopoldshafen, Germany
| | - Thomas Dickmeis
- Institute of Biological and Chemical Systems - Biological Information Processing, Karlsruhe Institute of Technology, Hermann-von-Helmholtz-Platz 1, D-76344Eggenstein-Leopoldshafen, Germany
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Paredes LC, Olsen Saraiva Camara N, Braga TT. Understanding the Metabolic Profile of Macrophages During the Regenerative Process in Zebrafish. Front Physiol 2019; 10:617. [PMID: 31178754 PMCID: PMC6543010 DOI: 10.3389/fphys.2019.00617] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/28/2019] [Accepted: 05/01/2019] [Indexed: 12/14/2022] Open
Abstract
In contrast to mammals, lower vertebrates, including zebrafish (Danio rerio), have the ability to regenerate damaged or lost tissues, such as the caudal fin, which makes them an ideal model for tissue and organ regeneration studies. Since several diseases involve the process of transition between fibrosis and tissue regeneration, it is necessary to attain a better understanding of these processes. It is known that the cells of the immune system, especially macrophages, play essential roles in regeneration by participating in the removal of cellular debris, release of pro- and anti-inflammatory factors, remodeling of components of the extracellular matrix and alteration of oxidative patterns during proliferation and angiogenesis. Immune cells undergo phenotypical and functional alterations throughout the healing process due to growth factors and cytokines that are produced in the tissue microenvironment. However, some aspects of the molecular mechanisms through which macrophages orchestrate the formation and regeneration of the blastema remain unclear. In the present review, we outline how macrophages orchestrate the regenerative process in zebrafish and give special attention to the redox balance in the context of tail regeneration.
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Affiliation(s)
| | - Niels Olsen Saraiva Camara
- Department of Immunology, Institute of Biomedical Sciences IV, University of São Paulo, São Paulo, Brazil.,Nephrology Division, Federal University of São Paulo, São Paulo, Brazil.,Renal Pathophysiology Laboratory, Faculty of Medicine, University of São Paulo, São Paulo, Brazil
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Bertoldo JB, Terenzi H, Hüttelmaier S, Bernardes GJL. Posttranslational Chemical Mutagenesis: To Reveal the Role of Noncatalytic Cysteine Residues in Pathogenic Bacterial Phosphatases. Biochemistry 2018; 57:6144-6152. [DOI: 10.1021/acs.biochem.8b00639] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/22/2022]
Affiliation(s)
- Jean B. Bertoldo
- Department of Chemistry, University of Cambridge, Lensfield Road, Cambridge CB2 1EW, U.K
- Institut für Molekulare Medizin, Medizinische Fakultät, Martin-Luther-Universität Halle-Wittenberg, Kurt-Mothes-Stra 3a, 06108 Halle, Germany
| | - Hernán Terenzi
- Centro de Biologia Molecular Estrutural, Departamento de Bioquímica, Universidade Federal de Santa Catarina, 88040-970 Florianópolis, SC, Brazil
| | - Stefan Hüttelmaier
- Institut für Molekulare Medizin, Medizinische Fakultät, Martin-Luther-Universität Halle-Wittenberg, Kurt-Mothes-Stra 3a, 06108 Halle, Germany
| | - Gonçalo J. L. Bernardes
- Department of Chemistry, University of Cambridge, Lensfield Road, Cambridge CB2 1EW, U.K
- Instituto de Medicina Molecular, Faculdade de Medicina, Universidade de Lisboa, Avenida Professor Egas Moniz, 1649-028 Lisboa, Portugal
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Hale AJ, den Hertog J. Shp2-Mitogen-Activated Protein Kinase Signaling Drives Proliferation during Zebrafish Embryo Caudal Fin Fold Regeneration. Mol Cell Biol 2018; 38:e00515-17. [PMID: 29203641 PMCID: PMC5789028 DOI: 10.1128/mcb.00515-17] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/25/2017] [Revised: 10/18/2017] [Accepted: 11/23/2017] [Indexed: 11/25/2022] Open
Abstract
Regeneration of the zebrafish caudal fin following amputation occurs through wound healing, followed by formation of a blastema, which produces cells to replace the lost tissue in the final phase of regenerative outgrowth. We show that ptpn11a-/- ptpn11b-/- zebrafish embryos, lacking functional Shp2, fail to regenerate their caudal fin folds. Rescue experiments indicated that Shp2a has a functional signaling role, requiring its catalytic activity and SH2 domains but not the two C-terminal tyrosine phosphorylation sites. Surprisingly, expression of Shp2a variants with increased and reduced catalytic activity, respectively, rescued caudal fin fold regeneration to similar extents. Expression of mmp9 and junbb, indicative of formation of the wound epidermis and distal blastema, respectively, suggested that these processes occurred in ptpn11a-/- ptpn11b-/- zebrafish embryos. However, cell proliferation and MAPK phosphorylation were reduced. Pharmacological inhibition of MEK1 in wild-type zebrafish embryos phenocopied loss of Shp2. Our results suggest an essential role for Shp2a-mitogen-activated protein kinase (MAPK) signaling in promoting cell proliferation during zebrafish embryo caudal fin fold regeneration.
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Affiliation(s)
- Alexander James Hale
- Hubrecht Institute-KNAW and University Medical Center Utrecht, Utrecht, the Netherlands
- Institute Biology Leiden, Leiden University, Leiden, the Netherlands
| | - Jeroen den Hertog
- Hubrecht Institute-KNAW and University Medical Center Utrecht, Utrecht, the Netherlands
- Institute Biology Leiden, Leiden University, Leiden, the Netherlands
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