1
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Radaszkiewicz KA, Sulcova M, Kohoutkova E, Harnos J. The role of prickle proteins in vertebrate development and pathology. Mol Cell Biochem 2024; 479:1199-1221. [PMID: 37358815 PMCID: PMC11116189 DOI: 10.1007/s11010-023-04787-z] [Citation(s) in RCA: 4] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/23/2023] [Accepted: 06/09/2023] [Indexed: 06/27/2023]
Abstract
Prickle is an evolutionarily conserved family of proteins exclusively associated with planar cell polarity (PCP) signalling. This signalling pathway provides directional and positional cues to eukaryotic cells along the plane of an epithelial sheet, orthogonal to both apicobasal and left-right axes. Through studies in the fruit fly Drosophila, we have learned that PCP signalling is manifested by the spatial segregation of two protein complexes, namely Prickle/Vangl and Frizzled/Dishevelled. While Vangl, Frizzled, and Dishevelled proteins have been extensively studied, Prickle has been largely neglected. This is likely because its role in vertebrate development and pathologies is still being explored and is not yet fully understood. The current review aims to address this gap by summarizing our current knowledge on vertebrate Prickle proteins and to cover their broad versatility. Accumulating evidence suggests that Prickle is involved in many developmental events, contributes to homeostasis, and can cause diseases when its expression and signalling properties are deregulated. This review highlights the importance of Prickle in vertebrate development, discusses the implications of Prickle-dependent signalling in pathology, and points out the blind spots or potential links regarding Prickle, which could be studied further.
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Affiliation(s)
- K A Radaszkiewicz
- Department of Experimental Biology, Faculty of Science, Masaryk University, Brno, 62500, Czechia
| | - M Sulcova
- Department of Experimental Biology, Faculty of Science, Masaryk University, Brno, 62500, Czechia
| | - E Kohoutkova
- Department of Experimental Biology, Faculty of Science, Masaryk University, Brno, 62500, Czechia
| | - J Harnos
- Department of Experimental Biology, Faculty of Science, Masaryk University, Brno, 62500, Czechia.
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2
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Song S, Cho B, Weiner AT, Nissen SB, Ojeda Naharros I, Sanchez Bosch P, Suyama K, Hu Y, He L, Svinkina T, Udeshi ND, Carr SA, Perrimon N, Axelrod JD. Protein phosphatase 1 regulates core PCP signaling. EMBO Rep 2023; 24:e56997. [PMID: 37975164 PMCID: PMC10702827 DOI: 10.15252/embr.202356997] [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: 02/13/2023] [Revised: 10/24/2023] [Accepted: 10/26/2023] [Indexed: 11/19/2023] Open
Abstract
Planar cell polarity (PCP) signaling polarizes epithelial cells within the plane of an epithelium. Core PCP signaling components adopt asymmetric subcellular localizations within cells to both polarize and coordinate polarity between cells. Achieving subcellular asymmetry requires additional effectors, including some mediating post-translational modifications of core components. Identification of such proteins is challenging due to pleiotropy. We used mass spectrometry-based proximity labeling proteomics to identify such regulators in the Drosophila wing. We identified the catalytic subunit of protein phosphatase1, Pp1-87B, and show that it regulates core protein polarization. Pp1-87B interacts with the core protein Van Gogh and at least one serine/threonine kinase, Dco/CKIε, that is known to regulate PCP. Pp1-87B modulates Van Gogh subcellular localization and directs its dephosphorylation in vivo. PNUTS, a Pp1 regulatory subunit, also modulates PCP. While the direct substrate(s) of Pp1-87B in control of PCP is not known, our data support the model that cycling between phosphorylated and unphosphorylated forms of one or more core PCP components may regulate acquisition of asymmetry. Finally, our screen serves as a resource for identifying additional regulators of PCP signaling.
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Affiliation(s)
- Song Song
- Department of PathologyStanford University School of MedicineStanfordCAUSA
- Present address:
GenScriptPiscatawayNJUSA
| | - Bomsoo Cho
- Department of PathologyStanford University School of MedicineStanfordCAUSA
| | - Alexis T Weiner
- Department of PathologyStanford University School of MedicineStanfordCAUSA
| | - Silas Boye Nissen
- Department of PathologyStanford University School of MedicineStanfordCAUSA
- The Novo Nordisk Foundation Center for Stem Cell Medicine (reNEW)University of CopenhagenCopenhagenDenmark
| | - Irene Ojeda Naharros
- Department of OphthalmologyUniversity of California, San FranciscoSan FranciscoCAUSA
| | | | - Kaye Suyama
- Department of PathologyStanford University School of MedicineStanfordCAUSA
| | - Yanhui Hu
- Department of Genetics, Blavatnik Institute, Harvard Medical SchoolHarvard UniversityBostonMAUSA
| | - Li He
- Department of Genetics, Blavatnik Institute, Harvard Medical SchoolHarvard UniversityBostonMAUSA
- Present address:
School of Life SciencesUniversity of Science and Technology of ChinaHefeiChina
| | | | | | | | - Norbert Perrimon
- Department of Genetics, Blavatnik Institute, Harvard Medical SchoolHarvard UniversityBostonMAUSA
- Howard Hughes Medical InstituteBostonMAUSA
| | - Jeffrey D Axelrod
- Department of PathologyStanford University School of MedicineStanfordCAUSA
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3
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Song S, Cho B, Weiner AT, Nissen SB, Naharros IO, Bosch PS, Suyama K, Hu Y, He L, Svinkina T, Udeshi ND, Carr SA, Perrimon N, Axelrod JD. Protein phosphatase 1 regulates core PCP signaling. BIORXIV : THE PREPRINT SERVER FOR BIOLOGY 2023:2023.09.12.556998. [PMID: 37745534 PMCID: PMC10515792 DOI: 10.1101/2023.09.12.556998] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 09/26/2023]
Abstract
PCP signaling polarizes epithelial cells within the plane of an epithelium. Core PCP signaling components adopt asymmetric subcellular localizations within cells to both polarize and coordinate polarity between cells. Achieving subcellular asymmetry requires additional effectors, including some mediating post-translational modifications of core components. Identification of such proteins is challenging due to pleiotropy. We used mass spectrometry-based proximity labeling proteomics to identify such regulators in the Drosophila wing. We identified the catalytic subunit of Protein Phosphatase1, Pp1-87B, and show that it regulates core protein polarization. Pp1-87B interacts with the core protein Van Gogh and at least one Serine/Threonine kinase, Dco/CKIε, that is known to regulate PCP. Pp1-87B modulates Van Gogh subcellular localization and directs its dephosphorylation in vivo. PNUTS, a Pp1 regulatory subunit, also modulates PCP. While the direct substrate(s) of Pp1-87B in control of PCP is not known, our data support the model that cycling between phosphorylated and unphosphorylated forms of one or more core PCP components may regulate acquisition of asymmetry. Finally, our screen serves as a resource for identifying additional regulators of PCP signaling.
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Affiliation(s)
- Song Song
- Department of Pathology, Stanford University School of Medicine, Stanford, CA 94305, USA
- Present Address: GenScript, 860 Centennial Avenue, Piscataway, NJ, 08854, USA
| | - Bomsoo Cho
- Department of Pathology, Stanford University School of Medicine, Stanford, CA 94305, USA
| | - Alexis T. Weiner
- Department of Pathology, Stanford University School of Medicine, Stanford, CA 94305, USA
| | - Silas Boye Nissen
- Department of Pathology, Stanford University School of Medicine, Stanford, CA 94305, USA
- The Novo Nordisk Foundation Center for Stem Cell Medicine (reNEW), University of Copenhagen, Blegdamsvej 3B, DK-2200 Copenhagen N, Denmark
| | - Irene Ojeda Naharros
- Department of Ophthalmology, University of California, San Francisco, San Francisco, CA 94143-3120, USA
| | - Pablo Sanchez Bosch
- Department of Pathology, Stanford University School of Medicine, Stanford, CA 94305, USA
| | - Kaye Suyama
- Department of Pathology, Stanford University School of Medicine, Stanford, CA 94305, USA
| | - Yanhui Hu
- Department of Genetics, Blavatnik Institute, Harvard Medical School, Harvard University, Boston, MA 02115, USA
| | - Li He
- Department of Genetics, Blavatnik Institute, Harvard Medical School, Harvard University, Boston, MA 02115, USA
- Present Address: School of Life Sciences, University of Science and Technology of China, Hefei 230027, China
| | | | | | | | - Norbert Perrimon
- Department of Genetics, Blavatnik Institute, Harvard Medical School, Harvard University, Boston, MA 02115, USA
- Howard Hughes Medical Institute, Boston, MA 02138, USA
| | - Jeffrey D. Axelrod
- Department of Pathology, Stanford University School of Medicine, Stanford, CA 94305, USA
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4
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Colleluori V, Khokha MK. Mink1 regulates spemann organizer cell fate in the xenopus gastrula via Hmga2. Dev Biol 2023; 495:42-53. [PMID: 36572140 PMCID: PMC10116378 DOI: 10.1016/j.ydbio.2022.11.010] [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: 05/06/2022] [Revised: 11/23/2022] [Accepted: 11/30/2022] [Indexed: 12/24/2022]
Abstract
Congenital Heart Disease (CHD) is the most common birth defect and leading cause of infant mortality, yet molecular mechanisms explaining CHD remain mostly unknown. Sequencing studies are identifying CHD candidate genes at a brisk rate including MINK1, a serine/threonine kinase. However, a plausible molecular mechanism connecting CHD and MINK1 is unknown. Here, we reveal that mink1 is required for proper heart development due to its role in left-right patterning. Mink1 regulates canonical Wnt signaling to define the cell fates of the Spemann Organizer and the Left-Right Organizer, a ciliated structure that breaks bilateral symmetry in the vertebrate embryo. To identify Mink1 targets, we applied an unbiased proteomics approach and identified the high mobility group architectural transcription factor, Hmga2. We report that Hmga2 is necessary and sufficient for regulating Spemann's Organizer. Indeed, we demonstrate that Hmga2 can induce Spemann Organizer cell fates even when β-catenin, a critical effector of the Wnt signaling pathway, is depleted. In summary, we discover a transcription factor, Hmga2, downstream of Mink1 that is critical for the regulation of Spemann's Organizer, as well as the LRO, defining a plausible mechanism for CHD.
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Affiliation(s)
- Vaughn Colleluori
- Pediatric Genomics Discovery Program, Department of Pediatrics and Genetics, Yale University School of Medicine, New Haven, CT, United States.
| | - Mustafa K Khokha
- Pediatric Genomics Discovery Program, Department of Pediatrics and Genetics, Yale University School of Medicine, New Haven, CT, United States
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5
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Daulat AM, Wagner MS, Audebert S, Kowalczewska M, Ariey-Bonnet J, Finetti P, Bertucci F, Camoin L, Borg JP. The serine/threonine kinase MINK1 directly regulates the function of promigratory proteins. J Cell Sci 2022; 135:276338. [PMID: 35971817 DOI: 10.1242/jcs.259347] [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: 09/02/2021] [Accepted: 08/08/2022] [Indexed: 11/20/2022] Open
Abstract
Upregulation of the developmental Wnt/planar cell polarity pathway is observed in many cancers and is associated with cancer development. We recently showed that PRICKLE1, a core Wnt/PCP component, is a poor-prognosis marker in triple negative breast cancer (TNBC). PRICKLE1 is phosphorylated by the serine/threonine kinase MINK1 and contributes to TNBC cell motility and invasiveness. However, the identity of MINK1 substrates and the role of MINK1 enzymatic activity in this process remain to be addressed. We performed a phosphoproteomic strategy and identified MINK1 substrates including LL5β. LL5β anchors microtubules at the cell cortex through its association with CLASPs to trigger focal adhesion disassembly. LL5β is phosphorylated by MINK1 promoting its interaction with CLASPs. Using a kinase inhibitor, we demonstrate that the enzymatic activity of MINK1 is involved in the protein complex assembly and localization, and cell migration. Analysis of gene expression data show that the concomitant up-regulation of PRICKLE1 and LL5β mRNA levels encoding MINK1 substrates is associated with a poor metastasis-free survival in TNBC patients. Altogether, our results suggest that MINK1 may represent a potential target in TNBC.
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Affiliation(s)
- Avais M Daulat
- Aix Marseille Univ, CNRS, INSERM, Institut Paoli-Calmettes, CRCM, Equipe labellisée Ligue 'Cell polarity, Cell signaling and Cancer', Marseille, France
| | - Mônica S Wagner
- Aix Marseille Univ, CNRS, INSERM, Institut Paoli-Calmettes, CRCM, Equipe labellisée Ligue 'Cell polarity, Cell signaling and Cancer', Marseille, France
| | - Stéphane Audebert
- Aix Marseille Univ, CNRS, INSERM, Institut Paoli-Calmettes, CRCM, Marseille Protéomique, Marseille, France
| | - Malgorzata Kowalczewska
- Aix Marseille Univ, CNRS, INSERM, Institut Paoli-Calmettes, CRCM, Equipe labellisée Ligue 'Cell polarity, Cell signaling and Cancer', Marseille, France
| | - Jeremy Ariey-Bonnet
- Aix Marseille Univ, CNRS, INSERM, Institut Paoli-Calmettes, CRCM, Equipe Biologie Structurale et Chimie-Biologie Intégrée, Marseille, France
| | - Pascal Finetti
- Aix Marseille Univ, CNRS, INSERM, Institut Paoli-Calmettes, CRCM, Equipe labellisée Ligue 'Predictive Oncology', Marseille, France
| | - François Bertucci
- Aix Marseille Univ, CNRS, INSERM, Institut Paoli-Calmettes, CRCM, Equipe labellisée Ligue 'Predictive Oncology', Marseille, France
| | - Luc Camoin
- Aix Marseille Univ, CNRS, INSERM, Institut Paoli-Calmettes, CRCM, Marseille Protéomique, Marseille, France
| | - Jean-Paul Borg
- Aix Marseille Univ, CNRS, INSERM, Institut Paoli-Calmettes, CRCM, Equipe labellisée Ligue 'Cell polarity, Cell signaling and Cancer', Marseille, France.,Aix Marseille Univ, CNRS, INSERM, Institut Paoli-Calmettes, CRCM, Marseille Protéomique, Marseille, France.,Institut universitaire de France, France
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6
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Huang Y, Winklbauer R. Cell cortex regulation by the planar cell polarity protein Prickle1. J Biophys Biochem Cytol 2022; 221:213195. [PMID: 35512799 PMCID: PMC9082893 DOI: 10.1083/jcb.202008116] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/21/2020] [Revised: 01/18/2022] [Accepted: 04/09/2022] [Indexed: 01/07/2023] Open
Abstract
The planar cell polarity pathway regulates cell polarity, adhesion, and rearrangement. Its cytoplasmic core components Prickle (Pk) and Dishevelled (Dvl) often localize as dense puncta at cell membranes to form antagonizing complexes and establish cell asymmetry. In vertebrates, Pk and Dvl have been implicated in actomyosin cortex regulation, but the mechanism of how these proteins control cell mechanics is unclear. Here we demonstrate that in Xenopus prechordal mesoderm cells, diffusely distributed, cytoplasmic Pk1 up-regulates the F-actin content of the cortex. This counteracts cortex down-regulation by Dvl2. Both factors act upstream of casein kinase II to increase or decrease cortical tension. Thus, cortex modulation by Pk1 and Dvl2 is translated into mechanical force and affects cell migration and rearrangement during radial intercalation in the prechordal mesoderm. Pk1 also forms puncta and plaques, which are associated with localized depletion of cortical F-actin, suggesting opposite roles for diffuse and punctate Pk1.
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Affiliation(s)
- Yunyun Huang
- Department of Cell and Systems Biology, University of Toronto, Toronto, Ontario, Canada
| | - Rudolf Winklbauer
- Department of Cell and Systems Biology, University of Toronto, Toronto, Ontario, Canada,Correspondence to Rudolf Winklbauer:
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7
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Ban Y, Yu T, Feng B, Lorenz C, Wang X, Baker C, Zou Y. Prickle promotes the formation and maintenance of glutamatergic synapses by stabilizing the intercellular planar cell polarity complex. SCIENCE ADVANCES 2021; 7:eabh2974. [PMID: 34613779 PMCID: PMC8494439 DOI: 10.1126/sciadv.abh2974] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/28/2021] [Accepted: 08/16/2021] [Indexed: 05/04/2023]
Abstract
Whether there exists a common signaling mechanism that assembles all glutamatergic synapses is unknown. We show here that knocking out Prickle1 and Prickle2 reduced the formation of the PSD-95–positive glutamatergic synapses in the hippocampus and medial prefrontal cortex in postnatal development by 70–80%. Prickle1 and Prickle2 double knockout in adulthood lead to the disassembly of 70 to 80% of the postsynaptic-density(PSD)-95–positive glutamatergic synapses. PSD-95–positive glutamatergic synapses in the hippocampus of Prickle2E8Q/E8Q mice were reduced by 50% at postnatal day 14. Prickle2 promotes synapse formation by antagonizing Vangl2 and stabilizing the intercellular complex of the planar cell polarity (PCP) components, whereas Prickle2 E8Q fails to do so. Coculture experiments show that the asymmetric PCP complexes can determine the presynaptic and postsynaptic polarity. In summary, the PCP components regulate the assembly and maintenance of a large number of glutamatergic synapses and specify the direction of synaptic transmission.
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Affiliation(s)
- Yue Ban
- Neurobiology Section, Biological Sciences Division, University of California, San Diego, La Jolla, CA 92093, USA
| | - Ting Yu
- Neurobiology Section, Biological Sciences Division, University of California, San Diego, La Jolla, CA 92093, USA
| | - Bo Feng
- Neurobiology Section, Biological Sciences Division, University of California, San Diego, La Jolla, CA 92093, USA
| | - Charlotte Lorenz
- Neurobiology Section, Biological Sciences Division, University of California, San Diego, La Jolla, CA 92093, USA
| | - Xiaojia Wang
- Neurobiology Section, Biological Sciences Division, University of California, San Diego, La Jolla, CA 92093, USA
| | - Clayton Baker
- Neurobiology Section, Biological Sciences Division, University of California, San Diego, La Jolla, CA 92093, USA
| | - Yimin Zou
- Neurobiology Section, Biological Sciences Division, University of California, San Diego, La Jolla, CA 92093, USA
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8
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Molecular mechanisms mediating asymmetric subcellular localisation of the core planar polarity pathway proteins. Biochem Soc Trans 2021; 48:1297-1308. [PMID: 32820799 PMCID: PMC7458395 DOI: 10.1042/bst20190404] [Citation(s) in RCA: 29] [Impact Index Per Article: 9.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/04/2020] [Revised: 07/28/2020] [Accepted: 07/30/2020] [Indexed: 12/29/2022]
Abstract
Planar polarity refers to cellular polarity in an orthogonal plane to apicobasal polarity, and is seen across scales from molecular distributions of proteins to tissue patterning. In many contexts it is regulated by the evolutionarily conserved ‘core' planar polarity pathway that is essential for normal organismal development. Core planar polarity pathway components form asymmetric intercellular complexes that communicate polarity between neighbouring cells and direct polarised cell behaviours and the formation of polarised structures. The core planar polarity pathway consists of six structurally different proteins. In the fruitfly Drosophila melanogaster, where the pathway is best characterised, an intercellular homodimer of the seven-pass transmembrane protein Flamingo interacts on one side of the cell junction with the seven-pass transmembrane protein Frizzled, and on the other side with the four-pass transmembrane protein Strabismus. The cytoplasmic proteins Diego and Dishevelled are co-localised with Frizzled, and Prickle co-localises with Strabismus. Between these six components there are myriad possible molecular interactions, which could stabilise or destabilise the intercellular complexes and lead to their sorting into polarised distributions within cells. Post-translational modifications are key regulators of molecular interactions between proteins. Several post-translational modifications of core proteins have been reported to be of functional significance, in particular phosphorylation and ubiquitination. In this review, we discuss the molecular control of planar polarity and the molecular ecology of the core planar polarity intercellular complexes. Furthermore, we highlight the importance of understanding the spatial control of post-translational modifications in the establishment of planar polarity.
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9
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Chen L, Pan X, Zeng T, Zhang YH, Zhang Y, Huang T, Cai YD. Immunosignature Screening for Multiple Cancer Subtypes Based on Expression Rule. Front Bioeng Biotechnol 2019; 7:370. [PMID: 31850330 PMCID: PMC6901955 DOI: 10.3389/fbioe.2019.00370] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/04/2019] [Accepted: 11/13/2019] [Indexed: 12/13/2022] Open
Abstract
Liquid biopsy (i.e., fluid biopsy) involves a series of clinical examination approaches. Monitoring of cancer immunological status by the “immunosignature” of patients presents a novel method for tumor-associated liquid biopsy. The major work content and the core technological difficulties for the monitoring of cancer immunosignature are the recognition of cancer-related immune-activating antigens by high-throughput screening approaches. Currently, one key task of immunosignature-based liquid biopsy is the qualitative and quantitative identification of typical tumor-specific antigens. In this study, we reused two sets of peptide microarray data that detected the expression level of potential antigenic peptides derived from tumor tissues to avoid the detection differences induced by chip platforms. Several machine learning algorithms were applied on these two sets. First, the Monte Carlo Feature Selection (MCFS) method was used to analyze features in two sets. A feature list was obtained according to the MCFS results on each set. Second, incremental feature selection method incorporating one classification algorithm (support vector machine or random forest) followed to extract optimal features and construct optimal classifiers. On the other hand, the repeated incremental pruning to produce error reduction, a rule learning algorithm, was applied on key features yielded by the MCFS method to extract quantitative rules for accurate cancer immune monitoring and pathologic diagnosis. Finally, obtained key features and quantitative rules were extensively analyzed.
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Affiliation(s)
- Lei Chen
- School of Life Sciences, Shanghai University, Shanghai, China.,College of Information Engineering, Shanghai Maritime University, Shanghai, China.,Shanghai Key Laboratory of Pure Mathematics and Mathematical Practice (PMMP), East China Normal University, Shanghai, China
| | - XiaoYong Pan
- Key Laboratory of System Control and Information Processing, Ministry of Education of China, Institute of Image Processing and Pattern Recognition, Shanghai Jiao Tong University, Shanghai, China.,IDLab, Department for Electronics and Information Systems, Ghent University, Ghent, Belgium
| | - Tao Zeng
- Key Laboratory of Systems Biology, Institute of Biochemistry and Cell Biology, Chinese Academy of Sciences, Shanghai, China
| | - Yu-Hang Zhang
- Shanghai Institute of Nutrition and Health, Shanghai Institutes for Biological Sciences, Chinese Academy of Sciences, Shanghai, China
| | - YunHua Zhang
- Anhui Province Key Laboratory of Farmland Ecological Conservation and Pollution Prevention, School of Resources and Environment, Anhui Agricultural University, Hefei, China
| | - Tao Huang
- Shanghai Institute of Nutrition and Health, Shanghai Institutes for Biological Sciences, Chinese Academy of Sciences, Shanghai, China
| | - Yu-Dong Cai
- School of Life Sciences, Shanghai University, Shanghai, China
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10
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Daulat AM, Wagner MS, Walton A, Baudelet E, Audebert S, Camoin L, Borg JP. The Tumor Suppressor SCRIB is a Negative Modulator of the Wnt/β-Catenin Signaling Pathway. Proteomics 2019; 19:e1800487. [PMID: 31513346 DOI: 10.1002/pmic.201800487] [Citation(s) in RCA: 11] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/02/2019] [Revised: 08/08/2019] [Indexed: 12/25/2022]
Abstract
SCRIB is a scaffold protein containing leucine-rich repeats (LRR) and PSD-95/Dlg-A/ZO-1 domains (PDZ) that localizes at the basolateral membranes of polarized epithelial cells. Deregulation of its expression or localization leads to epithelial defects and tumorigenesis in part as a consequence of its repressive role on several signaling pathways including AKT, ERK, and HIPPO. In the present work, a proteomic approach is used to characterize the protein complexes associated to SCRIB and its paralogue LANO. Common and specific sets of proteins associated to SCRIB and LANO by MS are identified and an extensive landscape of their associated networks and the first comparative analysis of their respective interactomes are provided. Under proteasome inhibition, it is further found that SCRIB is associated to the β-catenin destruction complex that is central in Wnt/β-catenin signaling, a conserved pathway regulating embryonic development and cancer progression. It is shown that the SCRIB/β-catenin interaction is potentiated upon Wnt3a stimulation and that SCRIB plays a repressing role on Wnt signaling. The data thus provide evidence for the importance of SCRIB in the regulation of the Wnt/β-catenin pathway.
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Affiliation(s)
- Avais M Daulat
- Centre de Recherche en Cancérologie de Marseille, Equipe labellisée Ligue 'Cell polarity, cell signaling and cancer', Aix-Marseille Université, Inserm, CNRS, Institut Paoli Calmettes, 13009, Marseille, France
| | - Mônica Silveira Wagner
- Centre de Recherche en Cancérologie de Marseille, Equipe labellisée Ligue 'Cell polarity, cell signaling and cancer', Aix-Marseille Université, Inserm, CNRS, Institut Paoli Calmettes, 13009, Marseille, France
| | - Alexandra Walton
- Centre de Recherche en Cancérologie de Marseille, Equipe labellisée Ligue 'Cell polarity, cell signaling and cancer', Aix-Marseille Université, Inserm, CNRS, Institut Paoli Calmettes, 13009, Marseille, France
| | - Emilie Baudelet
- Centre de Recherche en Cancérologie de Marseille, Marseille Proteomics, Aix-Marseille Université, Inserm, CNRS, Institut Paoli Calmettes, 13009, Marseille, France
| | - Stéphane Audebert
- Centre de Recherche en Cancérologie de Marseille, Marseille Proteomics, Aix-Marseille Université, Inserm, CNRS, Institut Paoli Calmettes, 13009, Marseille, France
| | - Luc Camoin
- Centre de Recherche en Cancérologie de Marseille, Marseille Proteomics, Aix-Marseille Université, Inserm, CNRS, Institut Paoli Calmettes, 13009, Marseille, France
| | - Jean-Paul Borg
- Centre de Recherche en Cancérologie de Marseille, Equipe labellisée Ligue 'Cell polarity, cell signaling and cancer', Aix-Marseille Université, Inserm, CNRS, Institut Paoli Calmettes, 13009, Marseille, France.,Centre de Recherche en Cancérologie de Marseille, Marseille Proteomics, Aix-Marseille Université, Inserm, CNRS, Institut Paoli Calmettes, 13009, Marseille, France
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11
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Popow O, Paulo JA, Tatham MH, Volk MS, Rojas-Fernandez A, Loyer N, Newton IP, Januschke J, Haigis KM, Näthke I. Identification of Endogenous Adenomatous Polyposis Coli Interaction Partners and β-Catenin-Independent Targets by Proteomics. Mol Cancer Res 2019; 17:1828-1841. [PMID: 31160382 DOI: 10.1158/1541-7786.mcr-18-1154] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/26/2018] [Revised: 04/11/2019] [Accepted: 05/28/2019] [Indexed: 01/15/2023]
Abstract
Adenomatous Polyposis Coli (APC) is the most frequently mutated gene in colorectal cancer. APC negatively regulates the Wnt signaling pathway by promoting the degradation of β-catenin, but the extent to which APC exerts Wnt/β-catenin-independent tumor-suppressive activity is unclear. To identify interaction partners and β-catenin-independent targets of endogenous, full-length APC, we applied label-free and multiplexed tandem mass tag-based mass spectrometry. Affinity enrichment-mass spectrometry identified more than 150 previously unidentified APC interaction partners. Moreover, our global proteomic analysis revealed that roughly half of the protein expression changes that occur in response to APC loss are independent of β-catenin. Combining these two analyses, we identified Misshapen-like kinase 1 (MINK1) as a putative substrate of an APC-containing destruction complex. We validated the interaction between endogenous MINK1 and APC and further confirmed the negative, and β-catenin-independent, regulation of MINK1 by APC. Increased Mink1/Msn levels were also observed in mouse intestinal tissue and Drosophila follicular cells expressing mutant Apc/APC when compared with wild-type tissue/cells. Collectively, our results highlight the extent and importance of Wnt-independent APC functions in epithelial biology and disease. IMPLICATIONS: The tumor-suppressive function of APC, the most frequently mutated gene in colorectal cancer, is mainly attributed to its role in β-catenin/Wnt signaling. Our study substantially expands the list of APC interaction partners and reveals that approximately half of the changes in the cellular proteome induced by loss of APC function are mediated by β-catenin-independent mechanisms.
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Affiliation(s)
- Olesja Popow
- Cancer Research Institute and Department of Medicine, Beth Israel Deaconess Medical Center, Boston, Massachusetts.,Department of Cell Biology, Harvard Medical School, Boston, Massachusetts.,Cell and Developmental Biology, School of Life Sciences, University of Dundee, Dundee, Scotland, United Kingdom
| | - João A Paulo
- Department of Cell Biology, Harvard Medical School, Boston, Massachusetts
| | - Michael H Tatham
- Centre for Gene Regulation and Expression, School of Life Sciences, University of Dundee, Dundee, Scotland, United Kingdom
| | - Melanie S Volk
- Cell and Developmental Biology, School of Life Sciences, University of Dundee, Dundee, Scotland, United Kingdom
| | - Alejandro Rojas-Fernandez
- Center for Interdisciplinary Studies on the Nervous System (CISNe) and Institute of Medicine, Universidad Austral de Chile, Valdivia, Chile
| | - Nicolas Loyer
- Cell and Developmental Biology, School of Life Sciences, University of Dundee, Dundee, Scotland, United Kingdom
| | - Ian P Newton
- Cell and Developmental Biology, School of Life Sciences, University of Dundee, Dundee, Scotland, United Kingdom
| | - Jens Januschke
- Cell and Developmental Biology, School of Life Sciences, University of Dundee, Dundee, Scotland, United Kingdom
| | - Kevin M Haigis
- Cancer Research Institute and Department of Medicine, Beth Israel Deaconess Medical Center, Boston, Massachusetts.,Harvard Digestive Disease Center, Harvard Medical School, Boston, Massachusetts
| | - Inke Näthke
- Cell and Developmental Biology, School of Life Sciences, University of Dundee, Dundee, Scotland, United Kingdom.
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12
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ECT2 associated to PRICKLE1 are poor-prognosis markers in triple-negative breast cancer. Br J Cancer 2019; 120:931-940. [PMID: 30971775 PMCID: PMC6734648 DOI: 10.1038/s41416-019-0448-z] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/06/2018] [Revised: 03/08/2019] [Accepted: 03/18/2019] [Indexed: 01/15/2023] Open
Abstract
Background Triple-negative breast cancers (TNBC) are poor-prognosis tumours candidate to chemotherapy as only systemic treatment. We previously found that PRICKLE1, a prometastatic protein involved in planar cell polarity, is upregulated in TNBC. We investigated the protein complex associated with PRICKLE1 in TNBC to identify proteins possibly involved in metastatic dissemination, which might provide new prognostic and/or therapeutic targets. Methods We used a proteomic approach to identify protein complexes associated with PRICKLE1. The mRNA expression levels of the corresponding genes were assessed in 8982 patients with invasive primary breast cancer. We then characterised the molecular interaction between PRICKLE1 and the guanine nucleotide exchange factor ECT2. Finally, experiments in Xenopus were carried out to determine their evolutionarily conserved interaction. Results Among the PRICKLE1 proteins network, we identified several small G-protein regulators. Combined analysis of the expression of PRICKLE1 and small G-protein regulators had a strong prognostic value in TNBC. Notably, the combined expression of ECT2 and PRICKLE1 provided a worst prognosis than PRICKLE1 expression alone in TNBC. PRICKLE1 regulated ECT2 activity and this interaction was evolutionary conserved. Conclusions This work supports the idea that an evolutionarily conserved signalling pathway required for embryogenesis and activated in cancer may represent a suitable therapeutic target.
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13
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VanderVorst K, Dreyer CA, Konopelski SE, Lee H, Ho HYH, Carraway KL. Wnt/PCP Signaling Contribution to Carcinoma Collective Cell Migration and Metastasis. Cancer Res 2019; 79:1719-1729. [PMID: 30952630 DOI: 10.1158/0008-5472.can-18-2757] [Citation(s) in RCA: 75] [Impact Index Per Article: 15.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/02/2018] [Revised: 01/04/2019] [Accepted: 01/31/2019] [Indexed: 12/30/2022]
Abstract
Our understanding of the cellular mechanisms governing carcinoma invasiveness and metastasis has evolved dramatically over the last several years. The previous emphasis on the epithelial-mesenchymal transition as a driver of the migratory properties of single cells has expanded with the observation that carcinoma cells often invade and migrate collectively as adherent groups. Moreover, recent analyses suggest that circulating tumor cells within the vasculature often exist as multicellular clusters and that clusters more efficiently seed metastatic lesions than single circulating tumor cells. While these observations point to a key role for collective cell migration in carcinoma metastasis, the molecular mechanisms driving collective tumor cell migration remain to be discerned. Wnt/PCP (planar cell polarity) signaling, one of the noncanonical Wnt signaling pathways, mediates collective migratory events such as convergent extension during developmental processes. Wnt/PCP signaling components are frequently dysregulated in solid tumors, and aberrant pathway activation contributes to tumor cell migratory properties. Here we summarize key studies that address the mechanisms by which Wnt/PCP signaling mediate collective cell migration in developmental and tumor contexts. We emphasize Wnt/PCP component localization within migrating cells and discuss how component asymmetry may govern the spatiotemporal control of downstream cytoskeletal effectors to promote collective cell motility.
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Affiliation(s)
- Kacey VanderVorst
- Department of Biochemistry and Molecular Medicine, UC Davis Comprehensive Cancer Center, UC Davis School of Medicine, Sacramento, California
| | - Courtney A Dreyer
- Department of Biochemistry and Molecular Medicine, UC Davis Comprehensive Cancer Center, UC Davis School of Medicine, Sacramento, California
| | - Sara E Konopelski
- Department of Cell Biology and Human Anatomy, UC Davis School of Medicine, Davis, California
| | - Hyun Lee
- Department of Biochemistry and Molecular Medicine, UC Davis Comprehensive Cancer Center, UC Davis School of Medicine, Sacramento, California
| | - Hsin-Yi Henry Ho
- Department of Cell Biology and Human Anatomy, UC Davis School of Medicine, Davis, California
| | - Kermit L Carraway
- Department of Biochemistry and Molecular Medicine, UC Davis Comprehensive Cancer Center, UC Davis School of Medicine, Sacramento, California.
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14
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Sudden unexpected death with rare compound heterozygous variants in PRICKLE1. Neurogenetics 2018; 20:39-43. [PMID: 30564977 DOI: 10.1007/s10048-018-0562-8] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/29/2018] [Accepted: 12/08/2018] [Indexed: 10/27/2022]
Abstract
Progressive myoclonus epilepsy-ataxia syndrome (EPM5) is an autosomal recessive form of progressive myoclonus epilepsy that has been associated with a homozygous missense mutation in PRICKLE1. We report a 23-year-old male who died shortly after refractory convulsion and respiratory failure. Autopsy showed unilateral hippocampal malformation without significant neuronal loss or gliosis. Genetic analysis that targeted both epilepsy and cardiac disease using next-generation sequencing revealed two variants of PRICKLE1. Additional investigation showed that the patient's father (p.Asp760del) and mother (p.Asp201Asn) each had a mutation in this gene. The present case shows that EPM5 can also be caused by compound heterozygous mutations.
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15
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Mapping Cellular Polarity Networks Using Mass Spectrometry-based Strategies. J Mol Biol 2018; 430:3545-3564. [DOI: 10.1016/j.jmb.2018.05.023] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/01/2018] [Revised: 05/11/2018] [Accepted: 05/14/2018] [Indexed: 11/22/2022]
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16
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Kwarteng EO, Hétu-Arbour R, Heinonen KM. Frontline Science: Wnt/β-catenin pathway promotes early engraftment of fetal hematopoietic stem/progenitor cells. J Leukoc Biol 2018; 103:381-393. [DOI: 10.1002/jlb.1hi0917-373r] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/13/2017] [Revised: 12/13/2017] [Accepted: 12/14/2017] [Indexed: 12/15/2022] Open
Affiliation(s)
- Edward O. Kwarteng
- Institut national de la recherche scientifique; INRS-Institut Armand-Frappier; Université du Québec; Laval Quebec Canada
| | - Roxann Hétu-Arbour
- Institut national de la recherche scientifique; INRS-Institut Armand-Frappier; Université du Québec; Laval Quebec Canada
| | - Krista M. Heinonen
- Institut national de la recherche scientifique; INRS-Institut Armand-Frappier; Université du Québec; Laval Quebec Canada
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17
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VanderVorst K, Hatakeyama J, Berg A, Lee H, Carraway KL. Cellular and molecular mechanisms underlying planar cell polarity pathway contributions to cancer malignancy. Semin Cell Dev Biol 2017; 81:78-87. [PMID: 29107170 DOI: 10.1016/j.semcdb.2017.09.026] [Citation(s) in RCA: 44] [Impact Index Per Article: 6.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/19/2016] [Revised: 07/20/2017] [Accepted: 09/06/2017] [Indexed: 12/18/2022]
Abstract
While the mutational activation of oncogenes drives tumor initiation and growth by promoting cellular transformation and proliferation, increasing evidence suggests that the subsequent re-engagement of largely dormant developmental pathways contributes to cellular phenotypes associated with the malignancy of solid tumors. Genetic studies from a variety of model organisms have defined many of the components that maintain epithelial planar cell polarity (PCP), or cellular polarity in the axis orthogonal to the apical-basal axis. These same components comprise an arm of non-canonical Wnt signaling that mediates cell motility events such as convergent extension movements essential to proper development. In this review, we summarize the increasing evidence that the Wnt/PCP signaling pathway plays active roles in promoting the proliferative and migratory properties of tumor cells, emphasizing the importance of subcellular localization of PCP components and protein-protein interactions in regulating cellullar properties associated with malignancy. Specifically, we discuss the increased expression of Wnt/PCP pathway components in cancer and the functional consequences of aberrant pathway activation, focusing on Wnt ligands, Frizzled (Fzd) receptors, the tetraspanin-like proteins Vangl1 and Vangl2, and the Prickle1 (Pk1) scaffold protein. In addition, we discuss negative regulation of the Wnt/PCP pathway, with particular emphasis on the Nrdp1 E3 ubiquitin ligase. We hypothesize that engagement of the Wnt/PCP pathway after tumor initiation drives malignancy by promoting cellular proliferation and invasiveness, and that the ability of Wnt/PCP signaling to supplant oncogene addiction may contribute to tumor resistance to oncogenic pathway-directed therapeutic agents.
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Affiliation(s)
- Kacey VanderVorst
- Department of Biochemistry and Molecular Medicine, and UC Davis Comprehensive Cancer Center, UC Davis School of Medicine, Sacramento, CA 95817, United States
| | - Jason Hatakeyama
- Department of Biochemistry and Molecular Medicine, and UC Davis Comprehensive Cancer Center, UC Davis School of Medicine, Sacramento, CA 95817, United States
| | - Anastasia Berg
- Department of Biochemistry and Molecular Medicine, and UC Davis Comprehensive Cancer Center, UC Davis School of Medicine, Sacramento, CA 95817, United States
| | - Hyun Lee
- Department of Biochemistry and Molecular Medicine, and UC Davis Comprehensive Cancer Center, UC Davis School of Medicine, Sacramento, CA 95817, United States
| | - Kermit L Carraway
- Department of Biochemistry and Molecular Medicine, and UC Davis Comprehensive Cancer Center, UC Davis School of Medicine, Sacramento, CA 95817, United States.
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18
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Bailly E, Walton A, Borg JP. The planar cell polarity Vangl2 protein: From genetics to cellular and molecular functions. Semin Cell Dev Biol 2017; 81:62-70. [PMID: 29111415 DOI: 10.1016/j.semcdb.2017.10.030] [Citation(s) in RCA: 31] [Impact Index Per Article: 4.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/20/2017] [Revised: 10/24/2017] [Accepted: 10/26/2017] [Indexed: 10/18/2022]
Abstract
Planar cell polarity (PCP) refers to the capacity of a tissue, typically, but not exclusively, an epithelium, to transmit directional information across the tissue plane such that its cellular constituents can differentiate, divide or move in a coordinated manner and along a common axis, generally orthogonal to the apical-basal axis. PCP relies on a core module of highly conserved proteins originally identified in Drosophila which can act intra- and extracellularly. In this review, we focus on the vertebrate ortholog of one of these core PCP components, namely the Vangl2 protein. After a brief historical perspective, we discuss novel cellular settings for which a cellular Vangl2 requirement has been recently documented, with a particular emphasis on adult tissues that rely on Vangl2 for the maintenance of their regenerative capacity or their physiological functions. Finally we compile the most recent data about Vangl2 interacting proteins.
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Affiliation(s)
- Eric Bailly
- Centre de Recherche en Cancérologie de Marseille (CRCM), 'Cell Polarity, Cell Signalling, and Cancer', Equipe Labellisée Ligue Contre le Cancer, Inserm, U1068, Marseille, F-13009, France; CNRS, UMR7258, Marseille, F-13009, France; Institut Paoli-Calmettes, Marseille, F-13009, France; Aix-Marseille University, UM 105, Marseille, F-13284, France.
| | - Alexandra Walton
- Centre de Recherche en Cancérologie de Marseille (CRCM), 'Cell Polarity, Cell Signalling, and Cancer', Equipe Labellisée Ligue Contre le Cancer, Inserm, U1068, Marseille, F-13009, France; CNRS, UMR7258, Marseille, F-13009, France; Institut Paoli-Calmettes, Marseille, F-13009, France; Aix-Marseille University, UM 105, Marseille, F-13284, France
| | - Jean-Paul Borg
- Centre de Recherche en Cancérologie de Marseille (CRCM), 'Cell Polarity, Cell Signalling, and Cancer', Equipe Labellisée Ligue Contre le Cancer, Inserm, U1068, Marseille, F-13009, France; CNRS, UMR7258, Marseille, F-13009, France; Institut Paoli-Calmettes, Marseille, F-13009, France; Aix-Marseille University, UM 105, Marseille, F-13284, France.
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19
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Dynamic scaffolds for neuronal signaling: in silico analysis of the TANC protein family. Sci Rep 2017; 7:6829. [PMID: 28754924 PMCID: PMC5533708 DOI: 10.1038/s41598-017-05748-5] [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: 11/03/2015] [Accepted: 06/02/2017] [Indexed: 12/21/2022] Open
Abstract
The emergence of genes implicated across multiple comorbid neurologic disorders allows to identify shared underlying molecular pathways. Recently, investigation of patients with diverse neurologic disorders found TANC1 and TANC2 as possible candidate disease genes. While the TANC proteins have been reported as postsynaptic scaffolds influencing synaptic spines and excitatory synapse strength, their molecular functions remain unknown. Here, we conducted a comprehensive in silico analysis of the TANC protein family to characterize their molecular role and understand possible neurobiological consequences of their disruption. The known Ankyrin and tetratricopeptide repeat (TPR) domains have been modeled. The newly predicted N-terminal ATPase domain may function as a regulated molecular switch for downstream signaling. Several putative conserved protein binding motifs allowed to extend the TANC interaction network. Interestingly, we highlighted connections with different signaling pathways converging to modulate neuronal activity. Beyond a known role for TANC family members in the glutamate receptor pathway, they seem linked to planar cell polarity signaling, Hippo pathway, and cilium assembly. This suggests an important role in neuron projection, extension and differentiation.
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20
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Butler MT, Wallingford JB. Planar cell polarity in development and disease. Nat Rev Mol Cell Biol 2017; 18:375-388. [PMID: 28293032 DOI: 10.1038/nrm.2017.11] [Citation(s) in RCA: 345] [Impact Index Per Article: 49.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/08/2023]
Abstract
Planar cell polarity (PCP) is an essential feature of animal tissues, whereby distinct polarity is established within the plane of a cell sheet. Tissue-wide establishment of PCP is driven by multiple global cues, including gradients of gene expression, gradients of secreted WNT ligands and anisotropic tissue strain. These cues guide the dynamic, subcellular enrichment of PCP proteins, which can self-assemble into mutually exclusive complexes at opposite sides of a cell. Endocytosis, endosomal trafficking and degradation dynamics of PCP components further regulate planar tissue patterning. This polarization propagates throughout the whole tissue, providing a polarity axis that governs collective morphogenetic events such as the orientation of subcellular structures and cell rearrangements. Reflecting the necessity of polarized cellular behaviours for proper development and function of diverse organs, defects in PCP have been implicated in human pathologies, most notably in severe birth defects.
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Affiliation(s)
- Mitchell T Butler
- Department of Molecular Biosciences, Patterson Labs, 2401 Speedway, The University of Texas at Austin, Austin, Texas 78712, USA
| | - John B Wallingford
- Department of Molecular Biosciences, Patterson Labs, 2401 Speedway, The University of Texas at Austin, Austin, Texas 78712, USA
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21
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Daulat AM, Borg JP. When mTORC2-AKT signaling meets cell polarity. Cell Cycle 2016; 15:3003-3004. [PMID: 27462958 DOI: 10.1080/15384101.2016.1214037] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/21/2022] Open
Affiliation(s)
- Avais M Daulat
- a Centre de Recherche en Cancérologie de Marseille, Aix Marseille Univ UM105, Inst Paoli Calmettes, UMR7258 CNRS, U1068 INSERM, "Cell Polarity, Cell signaling and Cancer - Equipe labellisée Ligue Contre le Cancer ," Marseille , France
| | - Jean-Paul Borg
- a Centre de Recherche en Cancérologie de Marseille, Aix Marseille Univ UM105, Inst Paoli Calmettes, UMR7258 CNRS, U1068 INSERM, "Cell Polarity, Cell signaling and Cancer - Equipe labellisée Ligue Contre le Cancer ," Marseille , France
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22
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Daulat AM, Bertucci F, Audebert S, Sergé A, Finetti P, Josselin E, Castellano R, Birnbaum D, Angers S, Borg JP. PRICKLE1 Contributes to Cancer Cell Dissemination through Its Interaction with mTORC2. Dev Cell 2016; 37:311-325. [PMID: 27184734 DOI: 10.1016/j.devcel.2016.04.011] [Citation(s) in RCA: 43] [Impact Index Per Article: 5.4] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/03/2015] [Revised: 03/15/2016] [Accepted: 04/18/2016] [Indexed: 12/21/2022]
Abstract
Components of the evolutionarily conserved developmental planar cell polarity (PCP) pathway were recently described to play a prominent role in cancer cell dissemination. However, the molecular mechanisms by which PCP molecules drive the spread of cancer cells remain largely unknown. PRICKLE1 encodes a PCP protein bound to the promigratory serine/threonine kinase MINK1. We identify RICTOR, a member of the mTORC2 complex, as a PRICKLE1-binding partner and show that the integrity of the PRICKLE1-MINK1-RICTOR complex is required for activation of AKT, regulation of focal adhesions, and cancer cell migration. Disruption of the PRICKLE1-RICTOR interaction results in a strong impairment of breast cancer cell dissemination in xenograft assays. Finally, we show that upregulation of PRICKLE1 in basal breast cancers, a subtype characterized by high metastatic potential, is associated with poor metastasis-free survival.
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Affiliation(s)
- Avais M Daulat
- Inserm, U1068, CRCM, Cell Polarity, Cell Signalling and Cancer "Equipe labellisée Ligue Contre le Cancer", Marseille 13009, France; Institut Paoli-Calmettes, Marseille 13009, France; Aix-Marseille Université, UM 105, Marseille 13284, France; CNRS, UMR7258, CRCM, Marseille 13009, France
| | - François Bertucci
- Institut Paoli-Calmettes, Marseille 13009, France; Aix-Marseille Université, UM 105, Marseille 13284, France; CNRS, UMR7258, CRCM, Marseille 13009, France; Inserm, U1068, CRCM, Molecular Oncology "Equipe labellisée Ligue Contre le Cancer", Marseille 13009, France
| | - Stéphane Audebert
- Inserm, U1068, CRCM, Cell Polarity, Cell Signalling and Cancer "Equipe labellisée Ligue Contre le Cancer", Marseille 13009, France; Institut Paoli-Calmettes, Marseille 13009, France; Aix-Marseille Université, UM 105, Marseille 13284, France; CNRS, UMR7258, CRCM, Marseille 13009, France
| | - Arnauld Sergé
- Institut Paoli-Calmettes, Marseille 13009, France; Aix-Marseille Université, UM 105, Marseille 13284, France; CNRS, UMR7258, CRCM, Marseille 13009, France; Inserm, U1068, CRCM, Leuko/Stromal Interactions, Marseille 13009, France
| | - Pascal Finetti
- Institut Paoli-Calmettes, Marseille 13009, France; Aix-Marseille Université, UM 105, Marseille 13284, France; CNRS, UMR7258, CRCM, Marseille 13009, France; Inserm, U1068, CRCM, Molecular Oncology "Equipe labellisée Ligue Contre le Cancer", Marseille 13009, France
| | - Emmanuelle Josselin
- Institut Paoli-Calmettes, Marseille 13009, France; Aix-Marseille Université, UM 105, Marseille 13284, France; CNRS, UMR7258, CRCM, Marseille 13009, France; Inserm, U1068, CRCM, TrGET Platform, Marseille 13009, France
| | - Rémy Castellano
- Institut Paoli-Calmettes, Marseille 13009, France; Aix-Marseille Université, UM 105, Marseille 13284, France; CNRS, UMR7258, CRCM, Marseille 13009, France; Inserm, U1068, CRCM, TrGET Platform, Marseille 13009, France
| | - Daniel Birnbaum
- Institut Paoli-Calmettes, Marseille 13009, France; Aix-Marseille Université, UM 105, Marseille 13284, France; CNRS, UMR7258, CRCM, Marseille 13009, France; Inserm, U1068, CRCM, Molecular Oncology "Equipe labellisée Ligue Contre le Cancer", Marseille 13009, France
| | - Stéphane Angers
- Department of Pharmaceutical Sciences, Leslie Dan Faculty of Pharmacy, University of Toronto, Toronto, ON M5S3M2, Canada; Department of Biochemistry, Faculty of Medicine, University of Toronto, ON M5S1A8, Canada
| | - Jean-Paul Borg
- Inserm, U1068, CRCM, Cell Polarity, Cell Signalling and Cancer "Equipe labellisée Ligue Contre le Cancer", Marseille 13009, France; Institut Paoli-Calmettes, Marseille 13009, France; Aix-Marseille Université, UM 105, Marseille 13284, France; CNRS, UMR7258, CRCM, Marseille 13009, France.
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24
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Wang Q, Amato SP, Rubitski DM, Hayward MM, Kormos BL, Verhoest PR, Xu L, Brandon NJ, Ehlers MD. Identification of Phosphorylation Consensus Sequences and Endogenous Neuronal Substrates of the Psychiatric Risk Kinase TNIK. J Pharmacol Exp Ther 2015; 356:410-23. [PMID: 26645429 DOI: 10.1124/jpet.115.229880] [Citation(s) in RCA: 27] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/07/2015] [Accepted: 12/01/2015] [Indexed: 12/28/2022] Open
Abstract
Traf2- and Nck-interacting kinase (TNIK) is a serine/threonine kinase highly expressed in the brain and enriched in the postsynaptic density of glutamatergic synapses in the mammalian brain. Accumulating genetic evidence and functional data have implicated TNIK as a risk factor for psychiatric disorders. However, the endogenous substrates of TNIK in neurons are unknown. Here, we describe a novel selective small molecule inhibitor of the TNIK kinase family. Using this inhibitor, we report the identification of endogenous neuronal TNIK substrates by immunoprecipitation with a phosphomotif antibody followed by mass spectrometry. Phosphorylation consensus sequences were defined by phosphopeptide sequence analysis. Among the identified substrates were members of the delta-catenin family including p120-catenin, δ-catenin, and armadillo repeat gene deleted in velo-cardio-facial syndrome (ARVCF), each of which is linked to psychiatric or neurologic disorders. Using p120-catenin as a representative substrate, we show TNIK-induced p120-catenin phosphorylation in cells requires intact kinase activity and phosphorylation of TNIK at T181 and T187 in the activation loop. Addition of the small molecule TNIK inhibitor or knocking down TNIK by two shRNAs reduced endogenous p120-catenin phosphorylation in cells. Together, using a TNIK inhibitor and phosphomotif antibody, we identify endogenous substrates of TNIK in neurons, define consensus sequences for TNIK, and suggest signaling pathways by which TNIK influences synaptic development and function linked to psychiatric and neurologic disorders.
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Affiliation(s)
- Qi Wang
- Neuroscience & Pain Research Unit, BioTherapeutics Research and Development, Pfizer Inc. Cambridge, Massachusetts (Q.W., S.P.A., D.M.R., N.J.B., M.D.E.); Center of Chemistry Innovation and Excellence, Pfizer Inc., Groton, Connecticut (M.M.H.); Neuroscience Medicinal Chemistry, Pfizer Inc., Cambridge, Massachusetts (B.L.K., P.R.V.);and Program in Molecular Medicine, University of Massachusetts Medical School, Worcester, Massachusetts (L.X.)
| | - Stephen P Amato
- Neuroscience & Pain Research Unit, BioTherapeutics Research and Development, Pfizer Inc. Cambridge, Massachusetts (Q.W., S.P.A., D.M.R., N.J.B., M.D.E.); Center of Chemistry Innovation and Excellence, Pfizer Inc., Groton, Connecticut (M.M.H.); Neuroscience Medicinal Chemistry, Pfizer Inc., Cambridge, Massachusetts (B.L.K., P.R.V.);and Program in Molecular Medicine, University of Massachusetts Medical School, Worcester, Massachusetts (L.X.)
| | - David M Rubitski
- Neuroscience & Pain Research Unit, BioTherapeutics Research and Development, Pfizer Inc. Cambridge, Massachusetts (Q.W., S.P.A., D.M.R., N.J.B., M.D.E.); Center of Chemistry Innovation and Excellence, Pfizer Inc., Groton, Connecticut (M.M.H.); Neuroscience Medicinal Chemistry, Pfizer Inc., Cambridge, Massachusetts (B.L.K., P.R.V.);and Program in Molecular Medicine, University of Massachusetts Medical School, Worcester, Massachusetts (L.X.)
| | - Matthew M Hayward
- Neuroscience & Pain Research Unit, BioTherapeutics Research and Development, Pfizer Inc. Cambridge, Massachusetts (Q.W., S.P.A., D.M.R., N.J.B., M.D.E.); Center of Chemistry Innovation and Excellence, Pfizer Inc., Groton, Connecticut (M.M.H.); Neuroscience Medicinal Chemistry, Pfizer Inc., Cambridge, Massachusetts (B.L.K., P.R.V.);and Program in Molecular Medicine, University of Massachusetts Medical School, Worcester, Massachusetts (L.X.)
| | - Bethany L Kormos
- Neuroscience & Pain Research Unit, BioTherapeutics Research and Development, Pfizer Inc. Cambridge, Massachusetts (Q.W., S.P.A., D.M.R., N.J.B., M.D.E.); Center of Chemistry Innovation and Excellence, Pfizer Inc., Groton, Connecticut (M.M.H.); Neuroscience Medicinal Chemistry, Pfizer Inc., Cambridge, Massachusetts (B.L.K., P.R.V.);and Program in Molecular Medicine, University of Massachusetts Medical School, Worcester, Massachusetts (L.X.)
| | - Patrick R Verhoest
- Neuroscience & Pain Research Unit, BioTherapeutics Research and Development, Pfizer Inc. Cambridge, Massachusetts (Q.W., S.P.A., D.M.R., N.J.B., M.D.E.); Center of Chemistry Innovation and Excellence, Pfizer Inc., Groton, Connecticut (M.M.H.); Neuroscience Medicinal Chemistry, Pfizer Inc., Cambridge, Massachusetts (B.L.K., P.R.V.);and Program in Molecular Medicine, University of Massachusetts Medical School, Worcester, Massachusetts (L.X.)
| | - Lan Xu
- Neuroscience & Pain Research Unit, BioTherapeutics Research and Development, Pfizer Inc. Cambridge, Massachusetts (Q.W., S.P.A., D.M.R., N.J.B., M.D.E.); Center of Chemistry Innovation and Excellence, Pfizer Inc., Groton, Connecticut (M.M.H.); Neuroscience Medicinal Chemistry, Pfizer Inc., Cambridge, Massachusetts (B.L.K., P.R.V.);and Program in Molecular Medicine, University of Massachusetts Medical School, Worcester, Massachusetts (L.X.)
| | - Nicholas J Brandon
- Neuroscience & Pain Research Unit, BioTherapeutics Research and Development, Pfizer Inc. Cambridge, Massachusetts (Q.W., S.P.A., D.M.R., N.J.B., M.D.E.); Center of Chemistry Innovation and Excellence, Pfizer Inc., Groton, Connecticut (M.M.H.); Neuroscience Medicinal Chemistry, Pfizer Inc., Cambridge, Massachusetts (B.L.K., P.R.V.);and Program in Molecular Medicine, University of Massachusetts Medical School, Worcester, Massachusetts (L.X.)
| | - Michael D Ehlers
- Neuroscience & Pain Research Unit, BioTherapeutics Research and Development, Pfizer Inc. Cambridge, Massachusetts (Q.W., S.P.A., D.M.R., N.J.B., M.D.E.); Center of Chemistry Innovation and Excellence, Pfizer Inc., Groton, Connecticut (M.M.H.); Neuroscience Medicinal Chemistry, Pfizer Inc., Cambridge, Massachusetts (B.L.K., P.R.V.);and Program in Molecular Medicine, University of Massachusetts Medical School, Worcester, Massachusetts (L.X.)
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Misshapen/NIK-related kinase (MINK1) is involved in platelet function, hemostasis, and thrombus formation. Blood 2015; 127:927-37. [PMID: 26598717 DOI: 10.1182/blood-2015-07-659185] [Citation(s) in RCA: 23] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [Abstract] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/18/2015] [Accepted: 11/18/2015] [Indexed: 12/31/2022] Open
Abstract
The sterile-20 kinase misshapen/Nck-interacting kinase (NIK)-related kinase 1 (MINK1) is involved in many important cellular processes such as growth, cytoskeletal rearrangement, and motility. Here, with MINK1-deficient (MINK1(-/-)) mice, we showed that MINK1 plays an important role in hemostasis and thrombosis via the regulation of platelet functions. In the tail-bleeding assay, MINK1(-/-) mice exhibited a longer bleeding time than wild-type (WT) mice (575.2 ± 59.7 seconds vs 419.6 ± 66.9 seconds). In a model of ferric chloride-induced mesenteric arteriolar thrombosis, vessel occlusion times were twice as long in MINK1(-/-) mice as in WT mice. In an in vitro microfluidic whole-blood perfusion assay, thrombus formation on a collagen matrix under arterial shear conditions was significantly reduced in MINK1(-/-) platelets. Moreover, MINK1(-/-) platelets demonstrated impaired aggregation and secretion in response to low doses of thrombin and collagen. Furthermore, platelet spreading on fibrinogen was largely hampered in MINK1(-/-) platelets. The functional differences of MINK1(-/-) platelets could be attributed to impaired adenosine 5'-diphosphate secretion. Signaling events associated with MINK1 appeared to involve extracellular signal-regulated kinase, p38, and Akt. Hence, MINK1 may be an important signaling molecule that mediates mitogen-activated protein kinase signaling and participates in platelet activation and thrombus formation.
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26
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Butler MT, Wallingford JB. Control of vertebrate core planar cell polarity protein localization and dynamics by Prickle 2. Development 2015; 142:3429-39. [PMID: 26293301 PMCID: PMC4631750 DOI: 10.1242/dev.121384] [Citation(s) in RCA: 36] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/19/2014] [Accepted: 08/12/2015] [Indexed: 01/21/2023]
Abstract
Planar cell polarity (PCP) is a ubiquitous property of animal tissues and is essential for morphogenesis and homeostasis. In most cases, this fundamental property is governed by a deeply conserved set of 'core PCP' proteins, which includes the transmembrane proteins Van Gogh-like (Vangl) and Frizzled (Fzd), as well as the cytoplasmic effectors Prickle (Pk) and Dishevelled (Dvl). Asymmetric localization of these proteins is thought to be central to their function, and understanding the dynamics of these proteins is an important challenge in developmental biology. Among the processes that are organized by the core PCP proteins is the directional beating of cilia, such as those in the vertebrate node, airway and brain. Here, we exploit the live imaging capabilities of Xenopus to chart the progressive asymmetric localization of fluorescent reporters of Dvl1, Pk2 and Vangl1 in a planar polarized ciliated epithelium. Using this system, we also characterize the influence of Pk2 on the asymmetric dynamics of Vangl1 at the cell cortex, and we define regions of Pk2 that control its own localization and those impacting Vangl1. Finally, our data reveal a striking uncoupling of Vangl1 and Dvl1 asymmetry. This study advances our understanding of conserved PCP protein functions and also establishes a rapid, tractable platform to facilitate future in vivo studies of vertebrate PCP protein dynamics.
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Affiliation(s)
- Mitchell T Butler
- Department of Molecular Biosciences, University of Texas at Austin, Austin, Texas 78712, USA
| | - John B Wallingford
- Department of Molecular Biosciences, University of Texas at Austin, Austin, Texas 78712, USA Howard Hughes Medical Institute, University of Texas at Austin, Austin, Texas 78712, USA
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27
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Jiao S, Peters U, Berndt S, Bézieau S, Brenner H, Campbell PT, Chan AT, Chang-Claude J, Lemire M, Newcomb PA, Potter JD, Slattery ML, Woods MO, Hsu L. Powerful Set-Based Gene-Environment Interaction Testing Framework for Complex Diseases. Genet Epidemiol 2015; 39:609-18. [PMID: 26095235 DOI: 10.1002/gepi.21908] [Citation(s) in RCA: 14] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/21/2015] [Revised: 04/20/2015] [Accepted: 05/06/2015] [Indexed: 01/15/2023]
Abstract
Identification of gene-environment interaction (G × E) is important in understanding the etiology of complex diseases. Based on our previously developed Set Based gene EnviRonment InterAction test (SBERIA), in this paper we propose a powerful framework for enhanced set-based G × E testing (eSBERIA). The major challenge of signal aggregation within a set is how to tell signals from noise. eSBERIA tackles this challenge by adaptively aggregating the interaction signals within a set weighted by the strength of the marginal and correlation screening signals. eSBERIA then combines the screening-informed aggregate test with a variance component test to account for the residual signals. Additionally, we develop a case-only extension for eSBERIA (coSBERIA) and an existing set-based method, which boosts the power not only by exploiting the G-E independence assumption but also by avoiding the need to specify main effects for a large number of variants in the set. Through extensive simulation, we show that coSBERIA and eSBERIA are considerably more powerful than existing methods within the case-only and the case-control method categories across a wide range of scenarios. We conduct a genome-wide G × E search by applying our methods to Illumina HumanExome Beadchip data of 10,446 colorectal cancer cases and 10,191 controls and identify two novel interactions between nonsteroidal anti-inflammatory drugs (NSAIDs) and MINK1 and PTCHD3.
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Affiliation(s)
- Shuo Jiao
- Public Health Sciences Division, Fred Hutchinson Cancer Research Center, Seattle, Washington, United States of America
| | - Ulrike Peters
- Public Health Sciences Division, Fred Hutchinson Cancer Research Center, Seattle, Washington, United States of America
| | - Sonja Berndt
- Division of Cancer Epidemiology and Genetics, National Cancer Institute, Bethesda, Maryland, United States of America
| | | | - Hermann Brenner
- Division of Clinical Epidemiology and Aging Research, German Cancer Research Center, Heidelberg, Germany.,German Cancer Consortium (DKTK), Heidelberg, Germany
| | - Peter T Campbell
- Epidemiology Research Program, American Cancer Society, Atlanta, Georgia, United States of America
| | - Andrew T Chan
- Channing Division of Network Medicine, Brigham and Women's Hospital and Harvard Medical School, Boston, Massachusetts, United States of America
| | - Jenny Chang-Claude
- Division of Cancer Epidemiology, German Cancer Research Center, Heidelberg, Germany
| | | | - Polly A Newcomb
- Public Health Sciences Division, Fred Hutchinson Cancer Research Center, Seattle, Washington, United States of America.,School of Public Health, University of Washington, Seattle, Washington, United States of America
| | - John D Potter
- Public Health Sciences Division, Fred Hutchinson Cancer Research Center, Seattle, Washington, United States of America.,Ontario Institute for Cancer Research, Toronto, Canada.,Centre for Public Health Research, Massey University, Wellington, New Zealand
| | - Martha L Slattery
- Department of Internal Medicine, University of Utah Health Sciences Center, Salt Lake City, Utah, United States of America
| | - Michael O Woods
- Discipline of Genetics, Memorial University of Newfoundland, St. John's, NL, Canada
| | - Li Hsu
- Public Health Sciences Division, Fred Hutchinson Cancer Research Center, Seattle, Washington, United States of America
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Seizures are regulated by ubiquitin-specific peptidase 9 X-linked (USP9X), a de-ubiquitinase. PLoS Genet 2015; 11:e1005022. [PMID: 25763846 PMCID: PMC4357451 DOI: 10.1371/journal.pgen.1005022] [Citation(s) in RCA: 57] [Impact Index Per Article: 6.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/12/2015] [Accepted: 01/22/2015] [Indexed: 01/10/2023] Open
Abstract
Epilepsy is a common disabling disease with complex, multifactorial genetic and environmental etiology. The small fraction of epilepsies subject to Mendelian inheritance offers key insight into epilepsy disease mechanisms; and pathologies brought on by mutations in a single gene can point the way to generalizable therapeutic strategies. Mutations in the PRICKLE genes can cause seizures in humans, zebrafish, mice, and flies, suggesting the seizure-suppression pathway is evolutionarily conserved. This pathway has never been targeted for novel anti-seizure treatments. Here, the mammalian PRICKLE-interactome was defined, identifying prickle-interacting proteins that localize to synapses and a novel interacting partner, USP9X, a substrate-specific de-ubiquitinase. PRICKLE and USP9X interact through their carboxy-termini; and USP9X de-ubiquitinates PRICKLE, protecting it from proteasomal degradation. In forebrain neurons of mice, USP9X deficiency reduced levels of Prickle2 protein. Genetic analysis suggests the same pathway regulates Prickle-mediated seizures. The seizure phenotype was suppressed in prickle mutant flies by the small-molecule USP9X inhibitor, Degrasyn/WP1130, or by reducing the dose of fat facets a USP9X orthologue. USP9X mutations were identified by resequencing a cohort of patients with epileptic encephalopathy, one patient harbored a de novo missense mutation and another a novel coding mutation. Both USP9X variants were outside the PRICKLE-interacting domain. These findings demonstrate that USP9X inhibition can suppress prickle-mediated seizure activity, and that USP9X variants may predispose to seizures. These studies point to a new target for anti-seizure therapy and illustrate the translational power of studying diseases in species across the evolutionary spectrum. Epilepsy is a common disabling disorder characterized by seizures with complex genetic and environmental components. The absence of a definitive pathophysiology for epilepsy stymies the development of effective treatment strategies. In a small fraction of epilepsy cases however, single gene mutations may illuminate seizure-causing mechanisms, which may open the door to the discovery of broader, more effective therapeutic strategies. We have previously shown that disruption of Prickle genes in multiple species including humans, results in a predisposition to seizures. Those findings support Prickle in a seizure-preventing role and presents a possible anti-seizure therapeutic target. We identified the deubiquitinase Usp9x (ubiquitin-specific peptidase 9 X-linked) as a new Prickle binding partner which stabilized Prickle by preventing its degradation. In mice lacking the Usp9x protein in their forebrains, Prickle2 was barely detectable. In seizure-prone prickle mutant Drosophila, reducing fat facets (Drosophila usp9x) genetically or by a small-molecule usp9x inhibitor (Degrasyn/WP1130) suppressed the seizures. We also found 2 epilepsy patients harboring mutations in USP9X. Our findings demonstrate that inhibition of Usp9x can arrest prickle-mediated seizures, and variations in USP9X may predispose to seizures. From these studies, we have elucidated a seizure-inducing mechanism, identified a potential anti-seizure target, and a potential anti-seizure drug.
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Muñoz-Soriano V, Belacortu Y, Paricio N. Planar cell polarity signaling in collective cell movements during morphogenesis and disease. Curr Genomics 2013; 13:609-22. [PMID: 23730201 PMCID: PMC3492801 DOI: 10.2174/138920212803759721] [Citation(s) in RCA: 36] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/12/2012] [Revised: 09/14/2012] [Accepted: 09/17/2012] [Indexed: 01/01/2023] Open
Abstract
Collective and directed cell movements are crucial for diverse developmental processes in the animal kingdom, but they are also involved in wound repair and disease. During these processes groups of cells are oriented within the tissue plane, which is referred to as planar cell polarity (PCP). This requires a tight regulation that is in part conducted by the PCP pathway. Although this pathway was initially characterized in flies, subsequent studies in vertebrates revealed a set of conserved core factors but also effector molecules and signal modulators, which build the fundamental PCP machinery. The PCP pathway in Drosophila regulates several developmental processes involving collective cell movements such as border cell migration during oogenesis, ommatidial rotation during eye development, and embryonic dorsal closure. During vertebrate embryogenesis, PCP signaling also controls collective and directed cell movements including convergent extension during gastrulation, neural tube closure, neural crest cell migration, or heart morphogenesis. Similarly, PCP signaling is linked to processes such as wound repair, and cancer invasion and metastasis in adults. As a consequence, disruption of PCP signaling leads to pathological conditions. In this review, we will summarize recent findings about the role of PCP signaling in collective cell movements in flies and vertebrates. In addition, we will focus on how studies in Drosophila have been relevant to our understanding of the PCP molecular machinery and will describe several developmental defects and human disorders in which PCP signaling is compromised. Therefore, new discoveries about the contribution of this pathway to collective cell movements could provide new potential diagnostic and therapeutic targets for these disorders.
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Affiliation(s)
- Verónica Muñoz-Soriano
- Departamento de Genética, Facultad de CC Biológicas, Universidad de Valencia, Burjassot 46100, Valencia, Spain
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Lachance V, Degrandmaison J, Marois S, Robitaille M, Génier S, Nadeau S, Angers S, Parent JL. Ubiquitination and activation of a Rab GTPase promoted by a β2-Adrenergic Receptor/HACE1 complex. J Cell Sci 2013; 127:111-23. [DOI: 10.1242/jcs.132944] [Citation(s) in RCA: 33] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/11/2022] Open
Abstract
We and others have shown that trafficking of G protein-coupled receptors is regulated by Rab GTPases. Cargo-mediated regulation of vesicular transport has received great attention lately. Rab GTPases, forming the largest branch of the Ras GTPase superfamily, regulate almost every step of vesicle-mediated trafficking. Rab GTPases are well-recognized targets of human diseases but their regulation and the mechanisms connecting them to cargo proteins are still poorly understood. Herein, we show by overexpression/depletion studies that HACE1, a HECT domain-containing ubiquitin ligase, promotes the recycling of the β2-adrenergic receptor (β2AR), a prototypical G protein-coupled receptor, through a Rab11a-dependent mechanism. Interestingly, the β2AR in conjunction with HACE1 triggered ubiquitination of Rab11a, as observed by Western blot analysis. LC-MS/MS experiments determined that Rab11a is ubiquitnatied on Lys145. A Rab11a-K145R mutant failed to undergo β2AR/HACE1-induced ubiquitination and inhibited the HACE1-mediated recycling of the β2AR. Rab11a, but not Rab11a-K145R, was activated by β2AR/HACE1 indicating that ubiquitination of Lys145 is involved in Rab11a activation. β2AR/HACE1 co-expression also potentiated ubiquitination of Rab6a and Rab8a, but not of other Rab GTPases that were tested. We report a novel regulatory mechanism of Rab GTPases by their ubiquitination with associated functional effects demonstrated on Rab11a. This partakes into a new pathway whereby a cargo protein, like a G protein-coupled receptor, can regulate its own trafficking by inducing the ubiquitination and activation of a Rab GTPase.
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31
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Hyodo T, Ito S, Hasegawa H, Asano E, Maeda M, Urano T, Takahashi M, Hamaguchi M, Senga T. Misshapen-like kinase 1 (MINK1) is a novel component of striatin-interacting phosphatase and kinase (STRIPAK) and is required for the completion of cytokinesis. J Biol Chem 2012; 287:25019-29. [PMID: 22665485 DOI: 10.1074/jbc.m112.372342] [Citation(s) in RCA: 51] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/06/2022] Open
Abstract
Cytokinesis is initiated by constriction of the cleavage furrow and terminated by abscission of the intercellular bridge that connects two separating daughter cells. The complicated processes of cytokinesis are coordinated by phosphorylation and dephosphorylation mediated by protein kinases and phosphatases. Mammalian Misshapen-like kinase 1 (MINK1) is a member of the germinal center kinases and is known to regulate cytoskeletal organization and oncogene-induced cell senescence. To search for novel regulators of cytokinesis, we performed a screen using a library of siRNAs and found that MINK1 was essential for cytokinesis. Time-lapse analysis revealed that MINK1-depleted cells were able to initiate furrowing but that abscission was disrupted. STRN4 (Zinedin) is a regulatory subunit of protein phosphatase 2A (PP2A) and was recently shown to be a component of a novel protein complex called striatin-interacting phosphatase and kinase (STRIPAK). Mass spectrometry analysis showed that MINK1 was a component of STRIPAK and that MINK1 directly interacted with STRN4. Similar to MINK1 depletion, STRN4-knockdown induced multinucleated cells and inhibited the completion of abscission. In addition, STRN4 reduced MINK1 activity in the presence of catalytic and structural subunits of PP2A. Our study identifies a novel regulatory network of protein kinases and phosphatases that regulate the completion of abscission.
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Affiliation(s)
- Toshinori Hyodo
- Division of Cancer Biology, Nagoya University Graduate School of Medicine, Nagoya 466-8550, Japan
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Abstract
Planar cell polarity is a fundamental concept to understanding the coordination of cell movements in the plane of a tissue. Since the planar cell polarity pathway was discovered in mesenchymal tissues involving cell interaction during vertebrate gastrulation, there is an emerging evidence that a variety of mesenchymal and epithelial cells utilize this genetic pathway to mediate the coordination of cells in directed movements. In this review, we focus on how the planar cell polarity pathway is mediated by migrating cells to communicate with one another in different developmental processes.
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