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Mortimer T, Zinna VM, Atalay M, Laudanna C, Deryagin O, Posas G, Smith JG, García-Lara E, Vaca-Dempere M, Monteiro de Assis LV, Heyde I, Koronowski KB, Petrus P, Greco CM, Forrow S, Oster H, Sassone-Corsi P, Welz PS, Muñoz-Cánoves P, Benitah SA. The epidermal circadian clock integrates and subverts brain signals to guarantee skin homeostasis. Cell Stem Cell 2024:S1934-5909(24)00140-1. [PMID: 38701785 DOI: 10.1016/j.stem.2024.04.013] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/14/2023] [Revised: 02/14/2024] [Accepted: 04/17/2024] [Indexed: 05/05/2024]
Abstract
In mammals, the circadian clock network drives daily rhythms of tissue-specific homeostasis. To dissect daily inter-tissue communication, we constructed a mouse minimal clock network comprising only two nodes: the peripheral epidermal clock and the central brain clock. By transcriptomic and functional characterization of this isolated connection, we identified a gatekeeping function of the peripheral tissue clock with respect to systemic inputs. The epidermal clock concurrently integrates and subverts brain signals to ensure timely execution of epidermal daily physiology. Timely cell-cycle termination in the epidermal stem cell compartment depends upon incorporation of clock-driven signals originating from the brain. In contrast, the epidermal clock corrects or outcompetes potentially disruptive feeding-related signals to ensure the optimal timing of DNA replication. Together, we present an approach for cataloging the systemic dependencies of daily temporal organization in a tissue and identify an essential gate-keeping function of peripheral circadian clocks that guarantees tissue homeostasis.
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Affiliation(s)
- Thomas Mortimer
- Institute for Research in Biomedicine (IRB Barcelona), The Barcelona Institute of Science and Technology (BIST), 08028 Barcelona, Spain.
| | - Valentina M Zinna
- Institute for Research in Biomedicine (IRB Barcelona), The Barcelona Institute of Science and Technology (BIST), 08028 Barcelona, Spain
| | - Muge Atalay
- Institute for Research in Biomedicine (IRB Barcelona), The Barcelona Institute of Science and Technology (BIST), 08028 Barcelona, Spain
| | - Carmelo Laudanna
- Institute for Research in Biomedicine (IRB Barcelona), The Barcelona Institute of Science and Technology (BIST), 08028 Barcelona, Spain
| | - Oleg Deryagin
- Universitat Pompeu Fabra (UPF), Department of Medicine and Life Sciences (MELIS), 08003 Barcelona, Spain
| | - Guillem Posas
- Institute for Research in Biomedicine (IRB Barcelona), The Barcelona Institute of Science and Technology (BIST), 08028 Barcelona, Spain
| | - Jacob G Smith
- Universitat Pompeu Fabra (UPF), Department of Medicine and Life Sciences (MELIS), 08003 Barcelona, Spain; Center for Epigenetics and Metabolism, U1233 INSERM, Department of Biological Chemistry, University of California, Irvine, Irvine, CA 92697, USA
| | - Elisa García-Lara
- Institute for Research in Biomedicine (IRB Barcelona), The Barcelona Institute of Science and Technology (BIST), 08028 Barcelona, Spain
| | - Mireia Vaca-Dempere
- Universitat Pompeu Fabra (UPF), Department of Medicine and Life Sciences (MELIS), 08003 Barcelona, Spain
| | | | - Isabel Heyde
- Institute of Neurobiology, Center of Brain, Behavior and Metabolism, University of Lübeck, Lübeck, Germany
| | - Kevin B Koronowski
- Department of Biochemistry & Structural Biology, Sam and Ann Barshop Institute for Longevity and Aging Studies, University of Texas Health San Antonio, San Antonio, TX 78229, USA
| | - Paul Petrus
- Center for Epigenetics and Metabolism, U1233 INSERM, Department of Biological Chemistry, University of California, Irvine, Irvine, CA 92697, USA; Department of Medicine (H7), Karolinska Institute, 141 86 Stockholm, Sweden
| | - Carolina M Greco
- Department of Biomedical Sciences, Humanitas University, Via Rita Levi Montalcinni 4, Pieve Emanuele, 20090 Milan, Italy; IRCCS Humanitas Research Hospital, Via Manzoni 56, Rozzano, 20089 Milan, Italy
| | - Stephen Forrow
- Institute for Research in Biomedicine (IRB Barcelona), The Barcelona Institute of Science and Technology (BIST), 08028 Barcelona, Spain
| | - Henrik Oster
- Institute of Neurobiology, Center of Brain, Behavior and Metabolism, University of Lübeck, Lübeck, Germany
| | - Paolo Sassone-Corsi
- Center for Epigenetics and Metabolism, U1233 INSERM, Department of Biological Chemistry, University of California, Irvine, Irvine, CA 92697, USA
| | - Patrick-Simon Welz
- Hospital del Mar Research Institute, Cancer Research Programme, 08003 Barcelona, Spain.
| | - Pura Muñoz-Cánoves
- Universitat Pompeu Fabra (UPF), Department of Medicine and Life Sciences (MELIS), 08003 Barcelona, Spain; Catalan Institution for Research and Advanced Studies (ICREA), 08010 Barcelona, Spain; Altos Labs Inc, San Diego Institute of Science, San Diego, CA 92121, USA.
| | - Salvador Aznar Benitah
- Institute for Research in Biomedicine (IRB Barcelona), The Barcelona Institute of Science and Technology (BIST), 08028 Barcelona, Spain; Catalan Institution for Research and Advanced Studies (ICREA), 08010 Barcelona, Spain.
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2
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Melotti P, Montresor A, Kleinfelder K, Conti J, Preato S, Farinazzo A, Pintani E, Cipolli M, Sorio C, Laudanna C. P019 Monocyte integrin activation as a CFTR-targeted drugs evaluation test in cystic fibrosis patients: preliminary analysis. J Cyst Fibros 2022. [DOI: 10.1016/s1569-1993(22)00352-6] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/15/2022]
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3
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Guerriero I, D’Angelo D, Pallante P, Santos M, Scrima M, Malanga D, De Marco C, Ravo M, Weisz A, Laudanna C, Ceccarelli M, Falco G, Rizzuto A, Viglietto G. Correction: Analysis of miRNA profiles identified miR-196a as a crucial mediator of aberrant PI3K/AKT signaling in lung cancer cells. Oncotarget 2022; 13:755. [PMID: 35634243 PMCID: PMC9132257 DOI: 10.18632/oncotarget.28237] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/25/2022] Open
Affiliation(s)
- Ilaria Guerriero
- Biogems.c.ar.l., Istituto di Ricerche Genetiche “Gaetano Salvatore”, Ariano Irpino, Avellino, Italy
| | - Daniela D’Angelo
- Istituto per l’Endocrinologia e l’Oncologia Sperimentale, IEOS-CNR, c/o Dipartimento di Medicina Molecolare e Biotecnologie Mediche, Università “Federico II” of Napoli, Napoli, Italy
| | - Pierlorenzo Pallante
- Istituto per l’Endocrinologia e l’Oncologia Sperimentale, IEOS-CNR, c/o Dipartimento di Medicina Molecolare e Biotecnologie Mediche, Università “Federico II” of Napoli, Napoli, Italy
| | - Mafalda Santos
- Biogems.c.ar.l., Istituto di Ricerche Genetiche “Gaetano Salvatore”, Ariano Irpino, Avellino, Italy
| | - Marianna Scrima
- Biogems.c.ar.l., Istituto di Ricerche Genetiche “Gaetano Salvatore”, Ariano Irpino, Avellino, Italy
| | - Donatella Malanga
- Dipartimento di Medicina Sperimentale e Clinica, Università Magna Graecia of Catanzaro, Italy
| | - Carmela De Marco
- Dipartimento di Medicina Sperimentale e Clinica, Università Magna Graecia of Catanzaro, Italy
| | - Maria Ravo
- Laboratorio di Medicina Molecolare e Genomica, Dipartimentodi Medicina e Chirurgia, Università di Salerno, Baronissi, Italy
| | - Alessandro Weisz
- Laboratorio di Medicina Molecolare e Genomica, Dipartimentodi Medicina e Chirurgia, Università di Salerno, Baronissi, Italy
| | - Carmelo Laudanna
- Dipartimento di Medicina Sperimentale e Clinica, Università Magna Graecia of Catanzaro, Italy
| | - Michele Ceccarelli
- Biogems.c.ar.l., Istituto di Ricerche Genetiche “Gaetano Salvatore”, Ariano Irpino, Avellino, Italy
- Department of Biological and Environmental Studies, Università del Sannio, Benevento, Italy
| | - Geppino Falco
- Biogems.c.ar.l., Istituto di Ricerche Genetiche “Gaetano Salvatore”, Ariano Irpino, Avellino, Italy
- Dipartimento di Biologia, Università degli Studi di Napoli Federico II, Complesso Universitario Monte S.Angelo, Napoli, Italy
| | - Antonia Rizzuto
- Dipartimento di Scienze Mediche e Chirurgiche, Università Magna Graecia of Catanzaro, Italy
| | - Giuseppe Viglietto
- Biogems.c.ar.l., Istituto di Ricerche Genetiche “Gaetano Salvatore”, Ariano Irpino, Avellino, Italy
- Dipartimento di Medicina Sperimentale e Clinica, Università Magna Graecia of Catanzaro, Italy
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4
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Pascual G, Domínguez D, Elosúa-Bayes M, Beckedorff F, Laudanna C, Bigas C, Douillet D, Greco C, Symeonidi A, Hernández I, Gil SR, Prats N, Bescós C, Shiekhattar R, Amit M, Heyn H, Shilatifard A, Benitah SA. Dietary palmitic acid promotes a prometastatic memory via Schwann cells. Nature 2021; 599:485-490. [PMID: 34759321 DOI: 10.1038/s41586-021-04075-0] [Citation(s) in RCA: 109] [Impact Index Per Article: 36.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/03/2020] [Accepted: 09/30/2021] [Indexed: 11/09/2022]
Abstract
Fatty acid uptake and altered metabolism constitute hallmarks of metastasis1,2, yet evidence of the underlying biology, as well as whether all dietary fatty acids are prometastatic, is lacking. Here we show that dietary palmitic acid (PA), but not oleic acid or linoleic acid, promotes metastasis in oral carcinomas and melanoma in mice. Tumours from mice that were fed a short-term palm-oil-rich diet (PA), or tumour cells that were briefly exposed to PA in vitro, remained highly metastatic even after being serially transplanted (without further exposure to high levels of PA). This PA-induced prometastatic memory requires the fatty acid transporter CD36 and is associated with the stable deposition of histone H3 lysine 4 trimethylation by the methyltransferase Set1A (as part of the COMPASS complex (Set1A/COMPASS)). Bulk, single-cell and positional RNA-sequencing analyses indicate that genes with this prometastatic memory predominantly relate to a neural signature that stimulates intratumoural Schwann cells and innervation, two parameters that are strongly correlated with metastasis but are aetiologically poorly understood3,4. Mechanistically, tumour-associated Schwann cells secrete a specialized proregenerative extracellular matrix, the ablation of which inhibits metastasis initiation. Both the PA-induced memory of this proneural signature and its long-term boost in metastasis require the transcription factor EGR2 and the glial-cell-stimulating peptide galanin. In summary, we provide evidence that a dietary metabolite induces stable transcriptional and chromatin changes that lead to a long-term stimulation of metastasis, and that this is related to a proregenerative state of tumour-activated Schwann cells.
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Affiliation(s)
- Gloria Pascual
- Institute for Research in Biomedicine (IRB Barcelona), The Barcelona Institute of Science and Technology (BIST), Barcelona, Spain.
| | - Diana Domínguez
- Institute for Research in Biomedicine (IRB Barcelona), The Barcelona Institute of Science and Technology (BIST), Barcelona, Spain
| | - Marc Elosúa-Bayes
- CNAG-CRG, Centre for Genomic Regulation (CRG), Barcelona Institute of Science and Technology (BIST), Barcelona, Spain
| | - Felipe Beckedorff
- Sylvester Comprehensive Cancer Center, University of Miami Miller School of Medicine, Miami, FL, USA
| | - Carmelo Laudanna
- Institute for Research in Biomedicine (IRB Barcelona), The Barcelona Institute of Science and Technology (BIST), Barcelona, Spain
| | - Claudia Bigas
- Institute for Research in Biomedicine (IRB Barcelona), The Barcelona Institute of Science and Technology (BIST), Barcelona, Spain
| | - Delphine Douillet
- Department of Biochemistry and Molecular Genetics and Simpson Querrey Center for Epigenetics, Northwestern University Feinberg School of Medicine, Chicago, IL, USA
| | - Carolina Greco
- Center for Epigenetics and Metabolism, Department of Biological Chemistry, University of California, Irvine, CA, USA
| | - Aikaterini Symeonidi
- Institute for Research in Biomedicine (IRB Barcelona), The Barcelona Institute of Science and Technology (BIST), Barcelona, Spain
| | - Inmaculada Hernández
- Institute for Research in Biomedicine (IRB Barcelona), The Barcelona Institute of Science and Technology (BIST), Barcelona, Spain.,CNAG-CRG, Centre for Genomic Regulation (CRG), Barcelona Institute of Science and Technology (BIST), Barcelona, Spain
| | - Sara Ruiz Gil
- CNAG-CRG, Centre for Genomic Regulation (CRG), Barcelona Institute of Science and Technology (BIST), Barcelona, Spain
| | - Neus Prats
- Institute for Research in Biomedicine (IRB Barcelona), The Barcelona Institute of Science and Technology (BIST), Barcelona, Spain
| | - Coro Bescós
- Department of Oral and Maxillofacial Surgery, Vall D'Hebron Hospital, Barcelona, Universitat Autònoma de Barcelona, Barcelona, Spain
| | - Ramin Shiekhattar
- Sylvester Comprehensive Cancer Center, University of Miami Miller School of Medicine, Miami, FL, USA
| | - Moran Amit
- Department of Head and Neck Surgery, The University of Texas MD Anderson Cancer Center, Houston, TX, USA
| | - Holger Heyn
- CNAG-CRG, Centre for Genomic Regulation (CRG), Barcelona Institute of Science and Technology (BIST), Barcelona, Spain
| | - Ali Shilatifard
- Department of Biochemistry and Molecular Genetics and Simpson Querrey Center for Epigenetics, Northwestern University Feinberg School of Medicine, Chicago, IL, USA.
| | - Salvador Aznar Benitah
- Institute for Research in Biomedicine (IRB Barcelona), The Barcelona Institute of Science and Technology (BIST), Barcelona, Spain. .,ICREA, Catalan Institution for Research and Advanced Studies, Barcelona, Spain.
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5
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Avgustinova A, Laudanna C, Pascual-García M, Rovira Q, Djurec M, Castellanos A, Urdiroz-Urricelqui U, Marchese D, Prats N, Van Keymeulen A, Heyn H, Vaquerizas JM, Benitah SA. Repression of endogenous retroviruses prevents antiviral immune response and is required for mammary gland development. Cell Stem Cell 2021; 28:1790-1804.e8. [PMID: 34010627 DOI: 10.1016/j.stem.2021.04.030] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/24/2020] [Revised: 01/18/2021] [Accepted: 04/26/2021] [Indexed: 10/21/2022]
Abstract
The role of heterochromatin in cell fate specification during development is unclear. We demonstrate that loss of the lysine 9 of histone H3 (H3K9) methyltransferase G9a in the mammary epithelium results in de novo chromatin opening, aberrant formation of the mammary ductal tree, impaired stem cell potential, disrupted intraductal polarity, and loss of tissue function. G9a loss derepresses long terminal repeat (LTR) retroviral sequences (predominantly the ERVK family). Transcriptionally activated endogenous retroviruses generate double-stranded DNA (dsDNA) that triggers an antiviral innate immune response, and knockdown of the cytosolic dsDNA sensor Aim2 in G9a knockout (G9acKO) mammary epithelium rescues mammary ductal invasion. Mammary stem cell transplantation into immunocompromised or G9acKO-conditioned hosts shows partial dependence of the G9acKO mammary morphological defects on the inflammatory milieu of the host mammary fat pad. Thus, altering the chromatin accessibility of retroviral elements disrupts mammary gland development and stem cell activity through both cell-autonomous and non-autonomous mechanisms.
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Affiliation(s)
- Alexandra Avgustinova
- Institute for Research in Biomedicine (IRB Barcelona), The Barcelona Institute of Science and Technology (BIST), Barcelona, Spain.
| | - Carmelo Laudanna
- Institute for Research in Biomedicine (IRB Barcelona), The Barcelona Institute of Science and Technology (BIST), Barcelona, Spain
| | - Mónica Pascual-García
- Institute for Research in Biomedicine (IRB Barcelona), The Barcelona Institute of Science and Technology (BIST), Barcelona, Spain
| | - Quirze Rovira
- Max Planck Institute for Molecular Biomedicine, Münster, Germany
| | - Magdolna Djurec
- Institute for Research in Biomedicine (IRB Barcelona), The Barcelona Institute of Science and Technology (BIST), Barcelona, Spain
| | - Andres Castellanos
- Institute for Research in Biomedicine (IRB Barcelona), The Barcelona Institute of Science and Technology (BIST), Barcelona, Spain
| | - Uxue Urdiroz-Urricelqui
- Institute for Research in Biomedicine (IRB Barcelona), The Barcelona Institute of Science and Technology (BIST), Barcelona, Spain
| | - Domenica Marchese
- CNAG-CRG, Center for Genomic Regulation (CRG), The Barcelona Institute of Science and Technology (BIST), Barcelona, Spain
| | - Neus Prats
- Institute for Research in Biomedicine (IRB Barcelona), The Barcelona Institute of Science and Technology (BIST), Barcelona, Spain
| | | | - Holger Heyn
- CNAG-CRG, Center for Genomic Regulation (CRG), The Barcelona Institute of Science and Technology (BIST), Barcelona, Spain; Universitat Pompeu Fabra (UPF), Barcelona, Spain
| | - Juan M Vaquerizas
- Max Planck Institute for Molecular Biomedicine, Münster, Germany; MRC London Institute of Medical Sciences, Institute of Clinical Sciences, Faculty of Medicine, Imperial College London, Du Cane Road, London W12 0NN, UK
| | - Salvador Aznar Benitah
- Institute for Research in Biomedicine (IRB Barcelona), The Barcelona Institute of Science and Technology (BIST), Barcelona, Spain; Catalan Institution for Research and Advanced Studies (ICREA), Barcelona, Spain.
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6
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Remo A, Manfrin E, Parcesepe P, Ferrarini A, Han HS, Mickys U, Laudanna C, Simbolo M, Malanga D, Oliveira DM, Baritono E, Colangelo T, Sabatino L, Giuliani J, Molinari E, Garonzi M, Xumerle L, Delledonne M, Giordano G, Ghimenton C, Lonardo F, D'angelo F, Grillo F, Mastracci L, Viglietto G, Ceccarelli M, Colantuoni V, Scarpa A, Pancione M. Centrosome Linker-induced Tetraploid Segregation Errors Link Rhabdoid Phenotypes and Lethal Colorectal Cancers. Mol Cancer Res 2018; 16:1385-1395. [PMID: 29784668 DOI: 10.1158/1541-7786.mcr-18-0062] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/23/2018] [Revised: 03/06/2018] [Accepted: 05/01/2018] [Indexed: 02/05/2023]
Abstract
Centrosome anomalies contribute to tumorigenesis, but it remains unclear how they are generated in lethal cancer phenotypes. Here, it is demonstrated that human microsatellite instable (MSI) and BRAFV600E-mutant colorectal cancers with a lethal rhabdoid phenotype are characterized by inactivation of centrosomal functions. A splice site mutation that causes an unbalanced dosage of rootletin (CROCC), a centrosome linker component required for centrosome cohesion and separation at the chromosome 1p36.13 locus, resulted in abnormally shaped centrosomes in rhabdoid cells from human colon tissues. Notably, deleterious deletions at 1p36.13 were recurrent in a subgroup of BRAFV600E-mutant and microsatellite stable (MSS) rhabdoid colorectal cancers, but not in classical colorectal cancer or pediatric rhabdoid tumors. Interfering with CROCC expression in near-diploid BRAFV600E-mutant/MSI colon cancer cells disrupts bipolar mitotic spindle architecture, promotes tetraploid segregation errors, resulting in a highly aggressive rhabdoid-like phenotype in vitro Restoring near-wild-type levels of CROCC in a metastatic model harboring 1p36.13 deletion results in correction of centrosome segregation errors and cell death, revealing a mechanism of tolerance to mitotic errors and tetraploidization promoted by deleterious 1p36.13 loss. Accordingly, cancer cells lacking 1p36.13 display far greater sensitivity to centrosome spindle pole stabilizing agents in vitro These data shed light on a previously unknown link between centrosome cohesion defects and lethal cancer phenotypes providing new insight into pathways underlying genome instability.Implications: Mis-segregation of chromosomes is a prominent feature of chromosome instability and intratumoral heterogeneity recurrent in metastatic tumors for which the molecular basis is unknown. This study provides insight into the mechanism by which defects in rootletin, a centrosome linker component causes tetraploid segregation errors and phenotypic transition to a clinically devastating form of malignant rhabdoid tumor. Mol Cancer Res; 16(9); 1385-95. ©2018 AACR.
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Affiliation(s)
- Andrea Remo
- Pathology Unit, "Mater Salutis" Hospital AULSS9, Legnago (Verona), Italy
| | - Erminia Manfrin
- Department of Diagnostics and Public Health, Section of Pathology, University and Hospital Trust of Verona, Verona, Italy
| | - Pietro Parcesepe
- Department of Diagnostics and Public Health, Section of Pathology, University and Hospital Trust of Verona, Verona, Italy
| | | | - Hye Seung Han
- Department of Pathology, Konkuk University School of Medicine, Seoul, Korea
| | - Ugnius Mickys
- National Center of Pathology, Affiliate of Vilnius University Hospital Santariskiu Clinics, Vilnius, Lithuania
| | - Carmelo Laudanna
- Department of Experimental and Clinical Medicine "Gaetano Salvatore", University "Magna Grecia", Catanzaro, Italy
| | - Michele Simbolo
- Department of Diagnostics and Public Health, Section of Pathology, University and Hospital Trust of Verona, Verona, Italy
| | - Donatella Malanga
- Department of Experimental and Clinical Medicine "Gaetano Salvatore", University "Magna Grecia", Catanzaro, Italy
| | - Duarte Mendes Oliveira
- Department of Experimental and Clinical Medicine "Gaetano Salvatore", University "Magna Grecia", Catanzaro, Italy
| | | | - Tommaso Colangelo
- Institute for Stem Cell Biology, Regenerative Medicine and Innovative Therapies (ISBReMIT), Casa Sollievo della Sofferenza-IRCCS, San Giovanni Rotondo, Italy
| | - Lina Sabatino
- Department of Sciences and Technologies, University of Sannio, Benevento, Italy
| | - Jacopo Giuliani
- Pathology Unit, "Mater Salutis" Hospital AULSS9, Legnago (Verona), Italy
| | - Enrico Molinari
- Pathology Unit, "Mater Salutis" Hospital AULSS9, Legnago (Verona), Italy
| | - Marianna Garonzi
- Functional Genomics Center, Department of Biotechnology, University of Verona, Verona, Italy
| | - Luciano Xumerle
- Functional Genomics Center, Department of Biotechnology, University of Verona, Verona, Italy
| | - Massimo Delledonne
- Functional Genomics Center, Department of Biotechnology, University of Verona, Verona, Italy
- Personal Genomics S.r.l., Verona, Italy
| | - Guido Giordano
- CRO Aviano National Cancer Center, Aviano, Italy
- Medical Oncology Unit, San Filippo Neri Hospital, Rome, Italy
| | - Claudio Ghimenton
- Department of Diagnostics and Public Health, Section of Pathology, University and Hospital Trust of Verona, Verona, Italy
| | - Fortunato Lonardo
- Medical Cytogenetics and Molecular Genetics Unit, AORN "Gaetano Rummo," Benevento, Italy
| | - Fulvio D'angelo
- Bioinformatics Laboratory, BIOGEM scrl, Ariano Irpino, Avellino, Italy
| | - Federica Grillo
- Department of Surgical and Diagnostic Sciences (DISC), University of Genova and S. Martino Polyclinic Hospital, Genova, Italy
| | - Luca Mastracci
- Department of Surgical and Diagnostic Sciences (DISC), University of Genova and S. Martino Polyclinic Hospital, Genova, Italy
| | - Giuseppe Viglietto
- Department of Experimental and Clinical Medicine "Gaetano Salvatore", University "Magna Grecia", Catanzaro, Italy
| | - Michele Ceccarelli
- Department of Sciences and Technologies, University of Sannio, Benevento, Italy
- Bioinformatics Laboratory, BIOGEM scrl, Ariano Irpino, Avellino, Italy
| | - Vittorio Colantuoni
- Department of Sciences and Technologies, University of Sannio, Benevento, Italy
| | - Aldo Scarpa
- Department of Diagnostics and Public Health, Section of Pathology, University and Hospital Trust of Verona, Verona, Italy.
- ARC-Net Centre for Applied Research on Cancer, University and Hospital Trust of Verona, Verona, Italy
| | - Massimo Pancione
- Department of Sciences and Technologies, University of Sannio, Benevento, Italy.
- Department of Biochemistry and Molecular Biology II, Faculty of Pharmacy, Complutense University, Madrid, Spain
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7
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Oliveira DM, Grillone K, Mignogna C, De Falco V, Laudanna C, Biamonte F, Locane R, Corcione F, Fabozzi M, Sacco R, Viglietto G, Malanga D, Rizzuto A. Correction to: Next-generation sequencing analysis of receptor-type tyrosine kinase genes in surgically resected colon cancer: identification of gain-of-function mutations in the RET proto-oncogene. J Exp Clin Cancer Res 2018; 37:112. [PMID: 29859122 PMCID: PMC5984746 DOI: 10.1186/s13046-018-0776-5] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/18/2018] [Accepted: 04/18/2018] [Indexed: 11/23/2022] Open
Affiliation(s)
- Duarte Mendes Oliveira
- Department of Experimental and Clinical Medicine, University Magna Graecia of Catanzaro, Campus Salvatore Venuta -Viale Europa, 88100, Catanzaro, Italy
| | - Katia Grillone
- Department of Experimental and Clinical Medicine, University Magna Graecia of Catanzaro, Campus Salvatore Venuta -Viale Europa, 88100, Catanzaro, Italy
| | - Chiara Mignogna
- Department of Health Sciences, University Magna Graecia of Catanzaro, Campus Salvatore Venuta - Viale Europa, 88100, Catanzaro, Italy
| | - Valentina De Falco
- Department of Molecular Medicine and Medical Biotechnologies, University Federico II, Naples, Italy
| | - Carmelo Laudanna
- Department of Experimental and Clinical Medicine, University Magna Graecia of Catanzaro, Campus Salvatore Venuta -Viale Europa, 88100, Catanzaro, Italy
| | - Flavia Biamonte
- Department of Experimental and Clinical Medicine, University Magna Graecia of Catanzaro, Campus Salvatore Venuta -Viale Europa, 88100, Catanzaro, Italy
| | - Rosa Locane
- Department of Medical and Surgical Sciences, University Magna Graecia of Catanzaro, Campus Salvatore Venuta - Viale Europa, 88100, Catanzaro, Italy
| | | | | | - Rosario Sacco
- Department of Medical and Surgical Sciences, University Magna Graecia of Catanzaro, Campus Salvatore Venuta - Viale Europa, 88100, Catanzaro, Italy
| | - Giuseppe Viglietto
- Department of Experimental and Clinical Medicine, University Magna Graecia of Catanzaro, Campus Salvatore Venuta -Viale Europa, 88100, Catanzaro, Italy.
| | - Donatella Malanga
- Department of Experimental and Clinical Medicine, University Magna Graecia of Catanzaro, Campus Salvatore Venuta -Viale Europa, 88100, Catanzaro, Italy.
| | - Antonia Rizzuto
- Department of Medical and Surgical Sciences, University Magna Graecia of Catanzaro, Campus Salvatore Venuta - Viale Europa, 88100, Catanzaro, Italy
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8
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Oliveira DM, Laudanna C, Migliozzi S, Zoppoli P, Santamaria G, Grillone K, Elia L, Mignogna C, Biamonte F, Sacco R, Corcione F, Viglietto G, Malanga D, Rizzuto A. Identification of different mutational profiles in cancers arising in specific colon segments by next generation sequencing. Oncotarget 2018; 9:23960-23974. [PMID: 29844865 PMCID: PMC5963617 DOI: 10.18632/oncotarget.25251] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/29/2017] [Accepted: 04/06/2018] [Indexed: 02/07/2023] Open
Abstract
The objective of this study was to investigate the mutational profiles of cancers arising in different colon segments. To this aim, we have analyzed 37 colon cancer samples by use of the Ion AmpliSeq™ Comprehensive Cancer Panel. Overall, we have found 307 mutated genes, most of which already implicated in the development of colon cancer. Among these, 15 genes were mutated in tumors originating in all six colon segments and were defined "common genes" (i.e. APC, PIK3CA, TP53) whereas 13 genes were preferentially mutated in tumors originating only in specific colon segments and were defined "site-associated genes" (i.e. BLNK, PTPRD). In addition, the presence of mutations in 10 of the 307 identified mutated genes (NBN, SMUG1, ERBB2, PTPRT, EPHB1, ALK, PTPRD, AURKB, KDR and GPR124) were found to be of clinical relevance. Among clinically relevant genes, NBN and SMUG1 were identified as independent prognostic factors that predicted poor survival in colon cancer patients. In conclusion, the findings reported here indicate that tumors arising in different colon segments present differences in the type and/or frequency of genetic variants, with two of them being independent prognostic factors that predict poor survival in colon cancer patients.
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Affiliation(s)
- Duarte Mendes Oliveira
- Department of Experimental and Clinical Medicine, University Magna Graecia, Catanzaro, Italy
| | - Carmelo Laudanna
- Department of Experimental and Clinical Medicine, University Magna Graecia, Catanzaro, Italy
| | - Simona Migliozzi
- Department of Experimental and Clinical Medicine, University Magna Graecia, Catanzaro, Italy
| | - Pietro Zoppoli
- Department of Experimental and Clinical Medicine, University Magna Graecia, Catanzaro, Italy
| | - Gianluca Santamaria
- Department of Experimental and Clinical Medicine, University Magna Graecia, Catanzaro, Italy
| | - Katia Grillone
- Department of Experimental and Clinical Medicine, University Magna Graecia, Catanzaro, Italy
| | - Laura Elia
- Department of Medical and Surgical Sciences, University Magna Graecia, Catanzaro, Italy
| | - Chiara Mignogna
- Department of Health Sciences, University Magna Graecia, Catanzaro, Italy
| | - Flavia Biamonte
- Department of Experimental and Clinical Medicine, University Magna Graecia, Catanzaro, Italy
| | - Rosario Sacco
- Department of Medical and Surgical Sciences, University Magna Graecia, Catanzaro, Italy
| | | | - Giuseppe Viglietto
- Department of Experimental and Clinical Medicine, University Magna Graecia, Catanzaro, Italy
| | - Donatella Malanga
- Department of Experimental and Clinical Medicine, University Magna Graecia, Catanzaro, Italy
| | - Antonia Rizzuto
- Department of Medical and Surgical Sciences, University Magna Graecia, Catanzaro, Italy
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9
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Mendes Oliveira D, Grillone K, Mignogna C, De Falco V, Laudanna C, Biamonte F, Locane R, Corcione F, Fabozzi M, Sacco R, Viglietto G, Malanga D, Rizzuto A. Next-generation sequencing analysis of receptor-type tyrosine kinase genes in surgically resected colon cancer: identification of gain-of-function mutations in the RET proto-oncogene. J Exp Clin Cancer Res 2018; 37:84. [PMID: 29665843 PMCID: PMC5905113 DOI: 10.1186/s13046-018-0746-y] [Citation(s) in RCA: 15] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 12/20/2017] [Accepted: 04/02/2018] [Indexed: 12/17/2022]
Abstract
BACKGROUND Improvement in genetic characterization of Colon Cancer (CC) patients is required to propose new potential targets, since surgical resection coupled to chemotherapy, presents several limits such as cancer recurrence and drug resistance. Targeted therapies have more efficacy and less toxicity than standard treatments. One of the most relevant cancer-specific actionable targets are receptor tyrosine kinases (RTKs) whose role in CC need to be better investigated. METHODS We have analysed 37 CC patients using the Ion AmpliSeq™ Comprehensive Cancer Panel (CCP). We have confirmed the somatic nature of RET variants through Sanger sequencing and assessed RET activation status and protein expression by immunofluorescence and western-blot analyses. We have used RET mutant expression vectors to evaluate the effect of selected mutations in HEK293 cells by performing proliferation, migration and clonogenic assays. RESULTS Among the 409 cancer-related genes included in the CCP we have focused on the RTKs. Overall, we have observed 101 different potentially damaging variants distributed across 31 RTK genes in 28 patients. The most frequently mutated RTKs were FLT4, ROS1, EPH7, ERBB2, EGFR, RET, FGFR3 and FGFR4. In particular, we have identified 4 different somatic variants in 10% of CC patients in RET proto-oncogene. Among them, we have demonstrated that the G533C variant was able to activate RET by promoting dimer formation and enhancing Y1062 phosphorylation. Moreover, we have demonstrated that RET G533C variant was able to stimulate anchorage-dependent proliferation, migration and clonogenic cell survival. Notably, the effects induced by the RET G533C variant were abolished by vandetanib. CONCLUSIONS The discovery of pathogenic variants across RTK genes in 75% of the CC patients under analysis, suggests a previously underestimated role for RTKs in CC development. The identification of a gain-of-function RET mutation in CC highlights the potential use of RET in targeted therapy.
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Affiliation(s)
- Duarte Mendes Oliveira
- Department of Experimental and Clinical Medicine, University Magna Graecia of Catanzaro, Campus Salvatore Venuta -Viale Europa, Catanzaro, 88100, Italy
| | - Katia Grillone
- Department of Experimental and Clinical Medicine, University Magna Graecia of Catanzaro, Campus Salvatore Venuta -Viale Europa, Catanzaro, 88100, Italy
| | - Chiara Mignogna
- Department of Health Sciences, University Magna Graecia of Catanzaro, Campus Salvatore Venuta - Viale Europa, Catanzaro, 88100, Italy
| | - Valentina De Falco
- Department of Molecular Medicine and Medical Biotechnologies, University Federico II, Naples, Italy
| | - Carmelo Laudanna
- Department of Experimental and Clinical Medicine, University Magna Graecia of Catanzaro, Campus Salvatore Venuta -Viale Europa, Catanzaro, 88100, Italy
| | - Flavia Biamonte
- Department of Experimental and Clinical Medicine, University Magna Graecia of Catanzaro, Campus Salvatore Venuta -Viale Europa, Catanzaro, 88100, Italy
| | - Rosa Locane
- Department of Medical and Surgical Sciences, University Magna Graecia of Catanzaro, Campus Salvatore Venuta - Viale Europa, Catanzaro, 88100, Italy
| | | | | | - Rosario Sacco
- Department of Medical and Surgical Sciences, University Magna Graecia of Catanzaro, Campus Salvatore Venuta - Viale Europa, Catanzaro, 88100, Italy
| | - Giuseppe Viglietto
- Department of Experimental and Clinical Medicine, University Magna Graecia of Catanzaro, Campus Salvatore Venuta -Viale Europa, Catanzaro, 88100, Italy.
| | - Donatella Malanga
- Department of Experimental and Clinical Medicine, University Magna Graecia of Catanzaro, Campus Salvatore Venuta -Viale Europa, Catanzaro, 88100, Italy.
| | - Antonia Rizzuto
- Department of Medical and Surgical Sciences, University Magna Graecia of Catanzaro, Campus Salvatore Venuta - Viale Europa, Catanzaro, 88100, Italy
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10
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Oliveira DM, Santamaria G, Laudanna C, Migliozzi S, Zoppoli P, Quist M, Grasso C, Mignogna C, Elia L, Faniello MC, Marinaro C, Sacco R, Corcione F, Viglietto G, Malanga D, Rizzuto A. Identification of copy number alterations in colon cancer from analysis of amplicon-based next generation sequencing data. Oncotarget 2018; 9:20409-20425. [PMID: 29755661 PMCID: PMC5945505 DOI: 10.18632/oncotarget.24912] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/04/2017] [Accepted: 02/28/2018] [Indexed: 01/20/2023] Open
Abstract
The objective of this study was to determine the feasibility to detect copy number alterations in colon cancer samples using Next Generation Sequencing data and to elucidate the association between copy number alterations in specific genes and the development of cancer in different colon segments. We report the successful detection of somatic changes in gene copy number in 37 colon cancer patients by analysis of sequencing data through Amplicon CNA Algorithm. Overall, we have found a total of 748 significant copy number alterations in 230 significant genes, of which 143 showed CN losses and 87 showed CN gains. Validation of results was performed on 20 representative genes by quantitative qPCR and/or immunostaining. By this analysis, we have identified 4 genes that were subjected to copy number alterations in tumors arising in all colon segments (defined "common genes") and the presence of copy number alterations in 14 genes that were significantly associated to one specific site (defined "site-associated genes"). Finally, copy number alterations in ASXL1, TSC1 and IL7R turned out to be clinically relevant since the loss of TSC1 and IL7R was associated with advanced stages and/or reduced survival whereas copy number gain of ASXL1 was associated with good prognosis.
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Affiliation(s)
- Duarte Mendes Oliveira
- Dipartimento di Medicina Sperimentale e Clinica, Università Magna Graecia, Catanzaro, Italy
| | - Gianluca Santamaria
- Dipartimento di Medicina Sperimentale e Clinica, Università Magna Graecia, Catanzaro, Italy
| | - Carmelo Laudanna
- Dipartimento di Medicina Sperimentale e Clinica, Università Magna Graecia, Catanzaro, Italy
| | - Simona Migliozzi
- Dipartimento di Medicina Sperimentale e Clinica, Università Magna Graecia, Catanzaro, Italy
| | - Pietro Zoppoli
- Dipartimento di Medicina Sperimentale e Clinica, Università Magna Graecia, Catanzaro, Italy
| | - Michael Quist
- Fred Hutchinson Cancer Research Center, Seattle, WA, USA
| | - Catie Grasso
- University of California Los Angeles (UCLA), Los Angeles, CA, USA
| | - Chiara Mignogna
- Dipartimento di Scienze della Salute, Università Magna Graecia, Catanzaro, Italy
| | - Laura Elia
- Dipartimento di Scienze Mediche e Chirurgiche, Università Magna Graecia, Catanzaro, Italy
| | | | - Cinzia Marinaro
- Dipartimento di Medicina Sperimentale e Clinica, Università Magna Graecia, Catanzaro, Italy
| | - Rosario Sacco
- Dipartimento di Scienze Mediche e Chirurgiche, Università Magna Graecia, Catanzaro, Italy
| | | | - Giuseppe Viglietto
- Dipartimento di Medicina Sperimentale e Clinica, Università Magna Graecia, Catanzaro, Italy
| | - Donatella Malanga
- Dipartimento di Medicina Sperimentale e Clinica, Università Magna Graecia, Catanzaro, Italy
| | - Antonia Rizzuto
- Dipartimento di Scienze Mediche e Chirurgiche, Università Magna Graecia, Catanzaro, Italy
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11
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De Marco C, Laudanna C, Rinaldo N, Oliveira DM, Ravo M, Weisz A, Ceccarelli M, Caira E, Rizzuto A, Zoppoli P, Malanga D, Viglietto G. Specific gene expression signatures induced by the multiple oncogenic alterations that occur within the PTEN/PI3K/AKT pathway in lung cancer. PLoS One 2017; 12:e0178865. [PMID: 28662101 PMCID: PMC5491004 DOI: 10.1371/journal.pone.0178865] [Citation(s) in RCA: 40] [Impact Index Per Article: 5.7] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/20/2016] [Accepted: 05/19/2017] [Indexed: 01/04/2023] Open
Abstract
Hyperactivation of the phosphatydil-inositol-3' phosphate kinase (PI3K)/AKT pathway is observed in most NSCLCs, promoting proliferation, migration, invasion and resistance to therapy. AKT can be activated through several mechanisms that include loss of the negative regulator PTEN, activating mutations of the catalytic subunit of PI3K (PIK3CA) and/or mutations of AKT1 itself. However, number and identity of downstream targets of activated PI3K/AKT pathway are poorly defined. To identify the genes that are targets of constitutive PI3K/AKT signalling in lung cancer cells, we performed a comparative transcriptomic analysis of human lung epithelial cells (BEAS-2B) expressing active mutant AKT1 (AKT1-E17K), active mutant PIK3CA (PIK3CA-E545K) or that are silenced for PTEN. We found that, altogether, aberrant PI3K/AKT signalling in lung epithelial cells regulated the expression of 1,960/20,436 genes (9%), though only 30 differentially expressed genes (DEGs) (15 up-regulated, 12 down-regulated and 3 discordant) out of 20,436 that were common among BEAS-AKT1-E17K, BEAS-PIK3CA-E545K and BEAS-shPTEN cells (0.1%). Conversely, DEGs specific for mutant AKT1 were 133 (85 up-regulated; 48 down-regulated), DEGs specific for mutant PIK3CA were 502 (280 up-regulated; 222 down-regulated) and DEGs specific for PTEN loss were 1549 (799 up-regulated, 750 down-regulated). The results obtained from array analysis were confirmed by quantitative RT-PCR on selected up- and down-regulated genes (n = 10). Treatment of BEAS-C cells and the corresponding derivatives with pharmacological inhibitors of AKT (MK2206) or PI3K (LY294002) further validated the significance of our findings. Moreover, mRNA expression of selected DEGs (SGK1, IGFBP3, PEG10, GDF15, PTGES, S100P, respectively) correlated with the activation status of the PI3K/AKT pathway assessed by S473 phosphorylation in NSCLC cell lines (n = 6). Finally, we made use of Ingenuity Pathway Analysis (IPA) to investigate the relevant BioFunctions enriched by the costitutive activation of AKT1-, PI3K- or PTEN-dependent signalling in lung epithelial cells. Expectedly, the analysis of the DEGs common to all three alterations highlighted a group of BioFunctions that included Cell Proliferation of tumor cell lines (14 DEGs), Invasion of cells (10 DEGs) and Migration of tumour cell lines (10 DEGs), with a common core of 5 genes (ATF3, CDKN1A, GDF15, HBEGF and LCN2) that likely represent downstream effectors of the pro-oncogenic activities of PI3K/AKT signalling. Conversely, IPA analysis of exclusive DEGs led to the identification of different downstream effectors that are modulated by mutant AKT1 (TGFBR2, CTSZ, EMP1), mutant PIK3CA (CCND2, CDK2, IGFBP2, TRIB1) and PTEN loss (ASNS, FHL2). These findings not only shed light on the molecular mechanisms that are activated by aberrant signalling through the PI3K/AKT pathway in lung epithelial cells, but also contribute to the identification of previously unrecognised molecules whose regulation takes part in the development of lung cancer.
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Affiliation(s)
- Carmela De Marco
- Dipartimento di Medicina Sperimentale e Clinica, Università "Magna Graecia", Catanzaro, Italia
| | - Carmelo Laudanna
- Dipartimento di Medicina Sperimentale e Clinica, Università "Magna Graecia", Catanzaro, Italia
| | - Nicola Rinaldo
- Biogem scarl, Instituto di Rihe Genetiche "Gaetano Salvatore", Ariano Irpino, Italia
| | - Duarte Mendes Oliveira
- Dipartimento di Medicina Sperimentale e Clinica, Università "Magna Graecia", Catanzaro, Italia
| | - Maria Ravo
- Laboratorio di Medicina Molecolare e Genomica, Facoltà di Medicina e Chirurgia, Università di Salerno, Baronissi, Italia
| | - Alessandro Weisz
- Laboratorio di Medicina Molecolare e Genomica, Facoltà di Medicina e Chirurgia, Università di Salerno, Baronissi, Italia
| | - Michele Ceccarelli
- Dipartimento di Studi Biologici e Ambientali, Università del Sannio, Benevento, Italia
| | - Elvira Caira
- Dipartimento di Medicina Sperimentale e Clinica, Università "Magna Graecia", Catanzaro, Italia
| | - Antonia Rizzuto
- Dipartimento di Scienze Mediche e Chirurgiche, Università "Magna Graecia", Catanzaro, Italia
| | - Pietro Zoppoli
- Dipartimento di Medicina Sperimentale e Clinica, Università "Magna Graecia", Catanzaro, Italia
| | - Donatella Malanga
- Dipartimento di Medicina Sperimentale e Clinica, Università "Magna Graecia", Catanzaro, Italia
| | - Giuseppe Viglietto
- Dipartimento di Medicina Sperimentale e Clinica, Università "Magna Graecia", Catanzaro, Italia.,Biogem scarl, Instituto di Rihe Genetiche "Gaetano Salvatore", Ariano Irpino, Italia
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12
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Votino C, Laudanna C, Parcesepe P, Giordano G, Remo A, Manfrin E, Pancione M. Aberrant BLM cytoplasmic expression associates with DNA damage stress and hypersensitivity to DNA-damaging agents in colorectal cancer. J Gastroenterol 2017; 52:327-340. [PMID: 27169843 DOI: 10.1007/s00535-016-1222-0] [Citation(s) in RCA: 14] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 10/30/2015] [Accepted: 04/26/2016] [Indexed: 02/05/2023]
Abstract
BACKGROUND Bloom syndrome is a rare and recessive disorder characterized by loss-of-function mutations of the BLM gene, which encodes a RecQ 3'-5' DNA helicase. Despite its putative tumor suppressor function, the contribution of BLM to human sporadic colorectal cancer (CRC) remains poorly understood. METHODS The transcriptional regulation mechanism underlying BLM and related DNA damage response regulation in independent CRC subsets and a panel of derived cell lines was investigated by bioinformatics analysis, the transcriptomic profile, a CpG island promoter methylation assay, Western blot, and an immunolocalization assay. RESULTS In silico analysis of gene expression data sets revealed that BLM is overexpressed in poorly differentiated CRC and exhibits a close connection with shorter relapse-free survival even after adjustment for prognostic factors and pathways that respond to DNA damage response through ataxia telangiectasia mutated (ATM) signaling. Functional characterization demonstrated that CpG island promoter hypomethylation increases BLM expression and associates with cytoplasmic BLM mislocalization and increased DNA damage response both in clinical CRC samples and in derived cancer cell lines. The DNA-damaging agent S-adenosylmethionine suppresses BLM expression, leading to the inhibition of cell growth following accumulation of DNA damage. In tumor specimens, cytoplasmic accumulation of BLM correlates with DNA damage and γH2AX and phosphorylated ATM foci and predicts long-term progression-free survival in metastatic patients treated with irinotecan. CONCLUSIONS Taken together, the findings of this study provide the first evidence that cancer-linked DNA hypomethylation and cytosolic BLM mislocalization might reflect compromised levels of DNA-repair activity and enhanced hypersensitivity to DNA-damaging agents in CRC patients.
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Affiliation(s)
- Carolina Votino
- Department of Sciences and Technologies, University of Sannio, Via Port'Arsa, 11, 82100, Benevento, Italy
| | - Carmelo Laudanna
- Department of Experimental and Clinical Medicine "Gaetano Salvatore", University "Magna Grecia", 88100, Catanzaro, Italy
| | - Pietro Parcesepe
- Department of Surgery and Oncology, University of Verona, 37129, Verona, Italy
| | - Guido Giordano
- Medical Oncology Unit, Fatebenefratelli Hospital, 82100, Benevento, Italy
| | - Andrea Remo
- Department of Pathology, "Mater Salutis" Hospital, 37045, Legnago, VR, Italy
| | - Erminia Manfrin
- Medical Oncology Unit, Fatebenefratelli Hospital, 82100, Benevento, Italy
| | - Massimo Pancione
- Department of Sciences and Technologies, University of Sannio, Via Port'Arsa, 11, 82100, Benevento, Italy.
- Department of Biochemistry and Molecular Biology, Faculty of Pharmacy, Complutense University, Madrid, Spain.
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13
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Fiume G, Scialdone A, Rizzo F, De Filippo MR, Laudanna C, Albano F, Golino G, Vecchio E, Pontoriero M, Mimmi S, Ceglia S, Pisano A, Iaccino E, Palmieri C, Paduano S, Viglietto G, Weisz A, Scala G, Quinto I. IBTK Differently Modulates Gene Expression and RNA Splicing in HeLa and K562 Cells. Int J Mol Sci 2016; 17:ijms17111848. [PMID: 27827994 PMCID: PMC5133848 DOI: 10.3390/ijms17111848] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/22/2016] [Revised: 10/21/2016] [Accepted: 10/31/2016] [Indexed: 01/04/2023] Open
Abstract
The IBTK gene encodes the major protein isoform IBTKα that was recently characterized as substrate receptor of Cul3-dependent E3 ligase, regulating ubiquitination coupled to proteasomal degradation of Pdcd4, an inhibitor of translation. Due to the presence of Ankyrin-BTB-RCC1 domains that mediate several protein-protein interactions, IBTKα could exert expanded regulatory roles, including interaction with transcription regulators. To verify the effects of IBTKα on gene expression, we analyzed HeLa and K562 cell transcriptomes by RNA-Sequencing before and after IBTK knock-down by shRNA transduction. In HeLa cells, 1285 (2.03%) of 63,128 mapped transcripts were differentially expressed in IBTK-shRNA-transduced cells, as compared to cells treated with control-shRNA, with 587 upregulated (45.7%) and 698 downregulated (54.3%) RNAs. In K562 cells, 1959 (3.1%) of 63128 mapped RNAs were differentially expressed in IBTK-shRNA-transduced cells, including 1053 upregulated (53.7%) and 906 downregulated (46.3%). Only 137 transcripts (0.22%) were commonly deregulated by IBTK silencing in both HeLa and K562 cells, indicating that most IBTKα effects on gene expression are cell type-specific. Based on gene ontology classification, the genes responsive to IBTK are involved in different biological processes, including in particular chromatin and nucleosomal organization, gene expression regulation, and cellular traffic and migration. In addition, IBTK RNA interference affected RNA maturation in both cell lines, as shown by the evidence of alternative 3′- and 5′-splicing, mutually exclusive exons, retained introns, and skipped exons. Altogether, these results indicate that IBTK differently modulates gene expression and RNA splicing in HeLa and K562 cells, demonstrating a novel biological role of this protein.
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Affiliation(s)
- Giuseppe Fiume
- Department of Experimental and Clinical Medicine, University 'Magna Graecia' of Catanzaro, Viale Europa (Località Germaneto), 88100 Catanzaro, Italy.
| | - Annarita Scialdone
- Department of Experimental and Clinical Medicine, University 'Magna Graecia' of Catanzaro, Viale Europa (Località Germaneto), 88100 Catanzaro, Italy.
| | - Francesca Rizzo
- Laboratory of Molecular Medicine and Genomics, Department of Medicine, Surgery and Dentistry 'Schola Medica Salernitana', University of Salerno, via S. Allende 1, 84081 Baronissi, Italy.
| | - Maria Rosaria De Filippo
- Laboratory of Molecular Medicine and Genomics, Department of Medicine, Surgery and Dentistry 'Schola Medica Salernitana', University of Salerno, via S. Allende 1, 84081 Baronissi, Italy.
| | - Carmelo Laudanna
- Laboratory of Molecular Medicine and Genomics, Department of Medicine, Surgery and Dentistry 'Schola Medica Salernitana', University of Salerno, via S. Allende 1, 84081 Baronissi, Italy.
| | - Francesco Albano
- Department of Experimental and Clinical Medicine, University 'Magna Graecia' of Catanzaro, Viale Europa (Località Germaneto), 88100 Catanzaro, Italy.
| | - Gaetanina Golino
- Department of Experimental and Clinical Medicine, University 'Magna Graecia' of Catanzaro, Viale Europa (Località Germaneto), 88100 Catanzaro, Italy.
| | - Eleonora Vecchio
- Department of Experimental and Clinical Medicine, University 'Magna Graecia' of Catanzaro, Viale Europa (Località Germaneto), 88100 Catanzaro, Italy.
| | - Marilena Pontoriero
- Department of Experimental and Clinical Medicine, University 'Magna Graecia' of Catanzaro, Viale Europa (Località Germaneto), 88100 Catanzaro, Italy.
| | - Selena Mimmi
- Department of Experimental and Clinical Medicine, University 'Magna Graecia' of Catanzaro, Viale Europa (Località Germaneto), 88100 Catanzaro, Italy.
| | - Simona Ceglia
- Department of Experimental and Clinical Medicine, University 'Magna Graecia' of Catanzaro, Viale Europa (Località Germaneto), 88100 Catanzaro, Italy.
| | - Antonio Pisano
- Department of Experimental and Clinical Medicine, University 'Magna Graecia' of Catanzaro, Viale Europa (Località Germaneto), 88100 Catanzaro, Italy.
| | - Enrico Iaccino
- Department of Experimental and Clinical Medicine, University 'Magna Graecia' of Catanzaro, Viale Europa (Località Germaneto), 88100 Catanzaro, Italy.
| | - Camillo Palmieri
- Department of Experimental and Clinical Medicine, University 'Magna Graecia' of Catanzaro, Viale Europa (Località Germaneto), 88100 Catanzaro, Italy.
| | - Sergio Paduano
- Department of Health Sciences, University "Magna Graecia", 88100 Catanzaro, Italy.
| | - Giuseppe Viglietto
- Department of Experimental and Clinical Medicine, University 'Magna Graecia' of Catanzaro, Viale Europa (Località Germaneto), 88100 Catanzaro, Italy.
| | - Alessandro Weisz
- Laboratory of Molecular Medicine and Genomics, Department of Medicine, Surgery and Dentistry 'Schola Medica Salernitana', University of Salerno, via S. Allende 1, 84081 Baronissi, Italy.
| | - Giuseppe Scala
- Department of Experimental and Clinical Medicine, University 'Magna Graecia' of Catanzaro, Viale Europa (Località Germaneto), 88100 Catanzaro, Italy.
| | - Ileana Quinto
- Department of Experimental and Clinical Medicine, University 'Magna Graecia' of Catanzaro, Viale Europa (Località Germaneto), 88100 Catanzaro, Italy.
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14
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Colangelo T, Polcaro G, Ziccardi P, Pucci B, Muccillo L, Galgani M, Fucci A, Milone MR, Budillon A, Santopaolo M, Votino C, Pancione M, Piepoli A, Mazzoccoli G, Binaschi M, Bigioni M, Maggi CA, Fassan M, Laudanna C, Matarese G, Sabatino L, Colantuoni V. Proteomic screening identifies calreticulin as a miR-27a direct target repressing MHC class I cell surface exposure in colorectal cancer. Cell Death Dis 2016; 7:e2120. [PMID: 26913609 PMCID: PMC4849154 DOI: 10.1038/cddis.2016.28] [Citation(s) in RCA: 52] [Impact Index Per Article: 6.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/01/2015] [Revised: 12/22/2015] [Accepted: 01/05/2016] [Indexed: 02/01/2023]
Abstract
Impairment of the immune response and aberrant expression of microRNAs are emerging hallmarks of tumour initiation/progression, in addition to driver gene mutations and epigenetic modifications. We performed a preliminary survey of independent adenoma and colorectal cancer (CRC) miRnoma data sets and, among the most dysregulated miRNAs, we selected miR-27a and disclosed that it is already upregulated in adenoma and further increases during the evolution to adenocarcinoma. To identify novel genes and pathways regulated by this miRNA, we employed a differential 2DE-DIGE proteome analysis. We showed that miR-27a modulates a group of proteins involved in MHC class I cell surface exposure and, mechanistically, demonstrated that calreticulin is a miR-27a direct target responsible for most downstream effects in epistasis experiments. In vitro miR-27a affected cell proliferation and angiogenesis; mouse xenografts of human CRC cell lines expressing different miR-27a levels confirmed the protein variations and recapitulated the cell growth and apoptosis effects. In vivo miR-27a inversely correlated with MHC class I molecules and calreticulin expression, CD8+ T cells infiltration and cytotoxic activity (LAMP-1 exposure and perforin release). Tumours with high miR-27a, low calreticulin and CD8+ T cells' infiltration were associated with distant metastasis and poor prognosis. Our data demonstrate that miR-27a acts as an oncomiRNA, represses MHC class I expression through calreticulin downregulation and affects tumour progression. These results may pave the way for better diagnosis, patient stratification and novel therapeutic approaches.
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Affiliation(s)
- T Colangelo
- Department of Sciences and Technologies, University of Sannio, Benevento, Italy
| | - G Polcaro
- Department of Sciences and Technologies, University of Sannio, Benevento, Italy
| | - P Ziccardi
- Department of Sciences and Technologies, University of Sannio, Benevento, Italy
| | - B Pucci
- Centro Ricerche Oncologiche Mercogliano, Istituto Nazionale Tumori Fondazione G. Pascale-IRCCS, Mercogliano (AV), Italy
| | - L Muccillo
- Department of Sciences and Technologies, University of Sannio, Benevento, Italy
| | - M Galgani
- Istituto di Endocrinologia e Oncologia Sperimentale, Consiglio Nazionale delle Ricerche (IEOS-CNR), Napoli, Italy
| | - A Fucci
- Department of Sciences and Technologies, University of Sannio, Benevento, Italy
| | - M R Milone
- Centro Ricerche Oncologiche Mercogliano, Istituto Nazionale Tumori Fondazione G. Pascale-IRCCS, Mercogliano (AV), Italy
| | - A Budillon
- Centro Ricerche Oncologiche Mercogliano, Istituto Nazionale Tumori Fondazione G. Pascale-IRCCS, Mercogliano (AV), Italy
| | - M Santopaolo
- Dipartimento di Medicina Molecolare e Biotecnologie Mediche, Università di Napoli 'Federico II', Napoli, Italy
| | - C Votino
- Department of Sciences and Technologies, University of Sannio, Benevento, Italy
| | - M Pancione
- Department of Sciences and Technologies, University of Sannio, Benevento, Italy
| | - A Piepoli
- Division of Epidemiology and Health Statistics, IRCCS-'Casa Sollievo della Sofferenza' Hospital, San Giovanni Rotondo (FG), Italy
| | - G Mazzoccoli
- Division of Internal Medicine and Chronobiology Unit, IRCCS-'Casa Sollievo della Sofferenza' Hospital, San Giovanni Rotondo (FG), Italy
| | - M Binaschi
- Department of Pharmacology, Menarini Ricerche, Pomezia (RM), Italy
| | - M Bigioni
- Department of Pharmacology, Menarini Ricerche, Pomezia (RM), Italy
| | | | - M Fassan
- Department of Pathology and Diagnostic, ARC-NET Research Centre, University of Verona, Verona, Italy.,Department of Medicine (DIMED), Surgical Pathology Unit, University of Padua, Padua, Italy
| | - C Laudanna
- Department of Experimental and Clinical Medicine, Laboratory of Molecular Oncology, Magna Græcia University of Catanzaro, Catanzaro, Italy
| | - G Matarese
- Istituto di Endocrinologia e Oncologia Sperimentale, Consiglio Nazionale delle Ricerche (IEOS-CNR), Napoli, Italy.,Dipartimento di Medicina Molecolare e Biotecnologie Mediche, Università di Napoli 'Federico II', Napoli, Italy
| | - L Sabatino
- Department of Sciences and Technologies, University of Sannio, Benevento, Italy
| | - V Colantuoni
- Department of Sciences and Technologies, University of Sannio, Benevento, Italy
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15
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Parcesepe P, Giordano G, Laudanna C, Febbraro A, Pancione M. Cancer-Associated Immune Resistance and Evasion of Immune Surveillance in Colorectal Cancer. Gastroenterol Res Pract 2016; 2016:6261721. [PMID: 27006653 PMCID: PMC4781955 DOI: 10.1155/2016/6261721] [Citation(s) in RCA: 40] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 10/30/2015] [Revised: 01/11/2016] [Accepted: 01/20/2016] [Indexed: 02/08/2023] Open
Abstract
Data from molecular profiles of tumors and tumor associated cells provide a model in which cancer cells can acquire the capability of avoiding immune surveillance by expressing an immune-like phenotype. Recent works reveal that expression of immune antigens (PDL1, CD47, CD73, CD14, CD68, MAC387, CD163, DAP12, and CD15) by tumor cells "immune resistance," combined with prometastatic function of nonmalignant infiltrating cells, may represent a strategy to overcome the rate-limiting steps of metastatic cascade through (a) enhanced interactions with protumorigenic myeloid cells and escape from T-dependent immune response mediated by CD8+ and natural killer (NK) cells; (b) production of immune mediators that establish a local and systemic tumor-supportive environment (premetastatic niche); (c) ability to survive either in the peripheral blood as circulating tumor cells (CTCs) or at the metastatic site forming a cooperative prometastatic loop with foreign "myeloid" cells, macrophages, and neutrophils, respectively. The development of cancer-specific "immune resistance" can be orchestrated either by cooperation with tumor microenvironment or by successive rounds of genetic/epigenetic changes. Recognition of the applicability of this model may provide effective therapeutic avenues for complete elimination of immune-resistant metastatic cells and for enhanced antitumor immunity as part of a combinatorial strategy.
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Affiliation(s)
- Pietro Parcesepe
- 1Department of Pathology and Diagnostics, University of Verona, 31134 Verona, Italy
| | - Guido Giordano
- 2Medical Oncology Unit, Fatebenefratelli Hospital, 82100 Benevento, Italy
| | - Carmelo Laudanna
- 3Department of Experimental and Clinical Medicine “Gaetano Salvatore”, University “Magna Grecia”, 88100 Catanzaro, Italy
| | - Antonio Febbraro
- 2Medical Oncology Unit, Fatebenefratelli Hospital, 82100 Benevento, Italy
| | - Massimo Pancione
- 4Department of Sciences and Technologies, University of Sannio, 82100 Benevento, Italy
- *Massimo Pancione:
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16
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Bellisola G, Bolomini Vittori M, Cinque G, Dumas P, Fiorini Z, Laudanna C, Mirenda M, Sandt C, Silvestri G, Tomasello L, Vezzalini M, Wehbe K, Sorio C. Unsupervised explorative data analysis of normal human leukocytes and BCR/ABL positive leukemic cells mid-infrared spectra. Analyst 2015; 140:4407-22. [PMID: 25988195 DOI: 10.1039/c5an00148j] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/06/2023]
Abstract
We proved the ability of Fourier Transform Infrared microspectroscopy (microFTIR) complemented by Principal Component Analysis (PCA) to detect protein phosphorylation/de-phosphorylation in mammalian cells. We analyzed by microFTIR human polymorphonuclear neutrophil (PMNs) leukocytes, mouse-derived parental Ba/F3 cells (Ba/F3#PAR), Ba/F3 cells transfected with p210(BCR/ABL) (Ba/F3#WT) and expressing high levels of protein tyrosine kinase (PTK), and human-derived BCR/ABL positive K562 leukemic cell sub-clones engineered to differently express receptor-type tyrosine-protein phosphatase gamma (PTPRG). Synchrotron radiation (SR) and conventional (globar) IR sources were used to perform microFTIR respectively, on single cells and over several cells within the same sample. Ex vivo time-course experiments were run, inducing maximal protein phosphorylation in PMNs by 100 nM N-formylated tripeptide fMLP. Within the specific IR fingerprint 1800-850 cm(-1) frequency domain, PCA identified two regions with maximal signal variance. These were used to model and test the robustness of PCA in representing the dynamics of protein phosphorylation/de-phosphorylation processes. An IR signal ratio marker reflecting the homeostatic control by protein kinases and phosphatases was identified in normal leukocytes. The models identified by microFTIR and PCA in normal leukocytes also distinguished BCR/ABL positive Ba/F3#WT from BCR/ABL negative Ba/F3#PAR cells as well as K562 cells exposed to functionally active protein tyrosine phosphatase recombinant protein ICD-Tat transduced in cells by HIV-1 Tat technology or cells treated with the PTK inhibitor imatinib mesylate (IMA) from cells exposed to phosphatase inactive (D1028A)ICD-Tat recombinant protein and untreated control cells, respectively. The IR signal marker correctly reflected the degrees of protein phosphorylation associated with abnormal PTK activity in BCR/ABL positive leukemic cells and in general was inversely related to the expression/activity of PTPRG in leukemic sub-clones. In conclusion, we have described a new, reliable and simple spectroscopic method to study the ex vivo protein phosphorylation/de-phosphorylation balance in cell models: it is suitable for biomedical and pharmacological research labs but it also needs further optimization and its evaluation on large cohorts of patients to be proposed in the clinical setting of leukemia.
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Affiliation(s)
- G Bellisola
- Azienda Ospedaliera Universitaria Intergrata di Verona, Department of Pathology and Diagnostics - Unit of Immunology, Policinico G. Rossi, P.le L.A. Scuro 10, I-37134 Verona, Italy.
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17
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Pancione M, Remo A, Zanella C, Sabatino L, Di Blasi A, Laudanna C, Astati L, Rocco M, Bifano D, Piacentini P, Pavan L, Purgato A, Greco F, Talamini A, Bonetti A, Ceccarelli M, Vendraminelli R, Manfrin E, Colantuoni V. The chromatin remodelling component SMARCB1/INI1 influences the metastatic behavior of colorectal cancer through a gene signature mapping to chromosome 22. J Transl Med 2013; 11:297. [PMID: 24286138 PMCID: PMC4220786 DOI: 10.1186/1479-5876-11-297] [Citation(s) in RCA: 20] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/17/2013] [Accepted: 11/20/2013] [Indexed: 12/13/2022] Open
Abstract
Background INI1 (Integrase interactor 1), also known as SMARCB1, is the most studied subunit of chromatin remodelling complexes. Its role in colorectal tumorigenesis is not known. Methods We examined SMARCB1/INI1 protein expression in 134 cases of colorectal cancer (CRC) and 60 matched normal mucosa by using tissue microarrays and western blot and categorized the results according to mismatch repair status (MMR), CpG island methylator phenotype, biomarkers of tumor differentiation CDX2, CK20, vimentin and p53. We validated results in two independent data sets and in cultured CRC cell lines. Results Herein, we show that negative SMARCB1/INI1 expression (11% of CRCs) associates with loss of CDX2, poor differentiation, liver metastasis and shorter patients’ survival regardless of the MMR status or tumor stage. Unexpectedly, even CRCs displaying diffuse nuclear INI1 staining (33%) show an adverse prognosis and vimentin over-expression, in comparison with the low expressing group (56%). The negative association of SMARCB1/INI1-lack of expression with a metastatic behavior is enhanced by the TP53 status. By interrogating global gene expression from two independent cohorts of 226 and 146 patients, we confirm the prognostic results and identify a gene signature characterized by SMARCB1/INI1 deregulation. Notably, the top genes of the signature (BCR, COMT, MIF) map on the long arm of chromosome 22 and are closely associated with SMARCB1/INI1. Conclusion Our findings suggest that SMARCB1/INI1-dysregulation and genetic hot-spots on the long arm of chromosome 22 might play an important role in the CRC metastatic behavior and be clinically relevant as novel biomarkers.
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Affiliation(s)
- Massimo Pancione
- Department of Sciences and Technologies, University of Sannio, Via Port'Arsa, 11 82100 Benevento, Italy.
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18
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Pagnotta SM, Laudanna C, Pancione M, Sabatino L, Votino C, Remo A, Cerulo L, Zoppoli P, Manfrin E, Colantuoni V, Ceccarelli M. Ensemble of gene signatures identifies novel biomarkers in colorectal cancer activated through PPARγ and TNFα signaling. PLoS One 2013; 8:e72638. [PMID: 24133572 PMCID: PMC3795784 DOI: 10.1371/journal.pone.0072638] [Citation(s) in RCA: 29] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/18/2013] [Accepted: 07/11/2013] [Indexed: 12/13/2022] Open
Abstract
We describe a novel bioinformatic and translational pathology approach, gene Signature Finder Algorithm (gSFA) to identify biomarkers associated with Colorectal Cancer (CRC) survival. Here a robust set of CRC markers is selected by an ensemble method. By using a dataset of 232 gene expression profiles, gSFA discovers 16 highly significant small gene signatures. Analysis of dichotomies generated by the signatures results in a set of 133 samples stably classified in good prognosis group and 56 samples in poor prognosis group, whereas 43 remain unreliably classified. AKAP12, DCBLD2, NT5E and SPON1 are particularly represented in the signatures and selected for validation in vivo on two independent patients cohorts comprising 140 tumor tissues and 60 matched normal tissues. Their expression and regulatory programs are investigated in vitro. We show that the coupled expression of NT5E and DCBLD2 robustly stratifies our patients in two groups (one of which with 100% survival at five years). We show that NT5E is a target of the TNF-α signaling in vitro; the tumor suppressor PPARγ acts as a novel NT5E antagonist that positively and concomitantly regulates DCBLD2 in a cancer cell context-dependent manner.
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Affiliation(s)
| | - Carmelo Laudanna
- Department of Sciences and Technologies, University of Sannio, Benevento, Italy
| | - Massimo Pancione
- Department of Sciences and Technologies, University of Sannio, Benevento, Italy
| | - Lina Sabatino
- Department of Sciences and Technologies, University of Sannio, Benevento, Italy
| | - Carolina Votino
- Department of Sciences and Technologies, University of Sannio, Benevento, Italy
| | - Andrea Remo
- Department of Pathology, Hospital "Mater Salutis”, Legnano, Italy
| | - Luigi Cerulo
- Department of Sciences and Technologies, University of Sannio, Benevento, Italy
- Bioinformatics Laboratory, BIOGEM scrl, Ariano Irpino, Italy
| | - Pietro Zoppoli
- Institute for Cancer Genetics, Columbia University, New York, United States of America
| | - Erminia Manfrin
- Department of Surgery and Oncology, University of Verona, Italy
| | - Vittorio Colantuoni
- Department of Sciences and Technologies, University of Sannio, Benevento, Italy
- * E-mail: (MC); (VC)
| | - Michele Ceccarelli
- Department of Sciences and Technologies, University of Sannio, Benevento, Italy
- Bioinformatics Laboratory, BIOGEM scrl, Ariano Irpino, Italy
- * E-mail: (MC); (VC)
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19
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Sabatino L, Fucci A, Pancione M, Carafa V, Nebbioso A, Pistore C, Babbio F, Votino C, Laudanna C, Ceccarelli M, Altucci L, Bonapace IM, Colantuoni V. UHRF1 coordinates peroxisome proliferator activated receptor gamma (PPARG) epigenetic silencing and mediates colorectal cancer progression. Oncogene 2012; 31:5061-72. [PMID: 22286757 DOI: 10.1038/onc.2012.3] [Citation(s) in RCA: 72] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/13/2022]
Abstract
Peroxisome proliferator-activated receptor gamma (PPARG) inactivation has been identified as an important step in colorectal cancer (CRC) progression, although the events involved have been partially clarified. UHRF1 is emerging as a cofactor that coordinates the epigenetic silencing of tumor suppressor genes, but its role in CRC remains elusive. Here, we report that UHRF1 negatively regulates PPARG and is associated with a higher proliferative, clonogenic and migration potential. Consistently, UHRF1 ectopic expression induces PPARG repression through its recruitment on the PPARG promoter fostering DNA methylation and histone repressive modifications. In agreement, UHRF1 knockdown elicits PPARG re-activation, accompanied by positive histone marks and DNA demethylation, corroborating its role in PPARG silencing. UHRF1 overexpression, as well as PPARG-silencing, imparts higher growth rate and phenotypic features resembling those occurring in the epithelial-mesenchymal transition. In our series of 110 sporadic CRCs, high UHRF1-expressing tumors are characterized by an undifferentiated phenotype, higher proliferation rate and poor clinical outcome only in advanced stages III-IV. In addition, the inverse relationship with PPARG found in vitro is detected in vivo and UHRF1 prognostic significance appears closely related to PPARG low expression, as remarkably validated in an independent dataset. The results demonstrate that UHRF1 regulates PPARG silencing and both genes appear to be part of a complex regulatory network. These findings suggest that the relationship between UHRF1 and PPARG may have a relevant role in CRC progression.
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Affiliation(s)
- L Sabatino
- Department of Biological, Geological and Environmental Sciences, University of Sannio, Benevento, Italy
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20
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Mancini R, Giarnieri E, De Vitis C, Malanga D, Roscilli G, Noto A, Marra E, Laudanna C, Zoppoli P, De Luca P, Affuso A, Ruco L, Di Napoli A, Mesiti G, Aurisicchio L, Ricci A, Mariotta S, Pisani L, Andreetti C, Viglietto G, Rendina EA, Giovagnoli MR, Ciliberto G. Spheres derived from lung adenocarcinoma pleural effusions: molecular characterization and tumor engraftment. PLoS One 2011; 6:e21320. [PMID: 21789168 PMCID: PMC3138755 DOI: 10.1371/journal.pone.0021320] [Citation(s) in RCA: 49] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/28/2010] [Accepted: 05/30/2011] [Indexed: 11/19/2022] Open
Abstract
Malignant pleural effusions (MPEs) could represent an excellent source to culture a wide variety of cancer cells from different donors. In this study, we set up culture conditions for cancer cells deriving from MPEs of several patients affected by the most frequent form of lung cancer, namely the subset of non small cell lung cancers (NSCLC) classified as Lung Adenocarcinomas (AdenoCa) which account for approximately 40% of lung cancer cases. AdenoCa malignant pleural effusions gave rise to in vitro cultures both in adherent and/or in spheroid conditions in almost all cases analyzed. We characterized in greater detail two samples which showed the most efficient propagation in vitro. In these samples we also compared gene profiles of spheroid vs adherent cultures and identified a set of differentially expressed genes. Finally we achieved efficient tumor engraftment in recipient NOD/SCID mice, also upon inoculation of small number of cells, thus suggesting indirectly the presence of tumor initiating cells.
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MESH Headings
- Adenocarcinoma/genetics
- Adenocarcinoma/pathology
- Adenocarcinoma of Lung
- Aged
- Aged, 80 and over
- Aldehyde Dehydrogenase/metabolism
- Animals
- Biomarkers, Tumor/metabolism
- Cell Adhesion
- Cell Separation
- Computational Biology
- Female
- Gene Expression Regulation, Neoplastic
- Genes, Neoplasm/genetics
- Humans
- Immunohistochemistry
- Immunophenotyping
- Lung Neoplasms/genetics
- Lung Neoplasms/pathology
- Male
- Mice
- Mice, SCID
- Middle Aged
- Neoplastic Stem Cells/metabolism
- Neoplastic Stem Cells/pathology
- Pleural Effusion, Malignant/genetics
- Pleural Effusion, Malignant/pathology
- Reverse Transcriptase Polymerase Chain Reaction
- Spheroids, Cellular/metabolism
- Spheroids, Cellular/pathology
- Tumor Cells, Cultured
- Xenograft Model Antitumor Assays
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Affiliation(s)
- Rita Mancini
- Department of Clinical and Molecular Medicine, University of Rome La Sapienza S Andrea Hospital, Rome, Italy.
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21
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Abstract
This paper presents a stochastic model of the lymphocyte recruitment in inflammed brain microvessels. The framework used is based on stochastic process algebras for mobile systems. The automatic tool used in the simulation is the BioSpi. We compare our approach with classical hydrodinamical specifications.
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Affiliation(s)
- P Lecca
- Dipartimento di Informatica e Telecomunicazioni, Università di Trento.
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22
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Scapini P, Laudanna C, Pinardi C, Allavena P, Mantovani A, Sozzani S, Cassatella MA. Neutrophils produce biologically active macrophage inflammatory protein-3alpha (MIP-3alpha)/CCL20 and MIP-3beta/CCL19. Eur J Immunol 2001. [PMID: 11449350 DOI: 10.1002/1521-4141(200107)31:7<1981::aid-immu1981>3.0.co;2-x] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/05/2022]
Abstract
Macrophage inflammatory protein-3alpha (MIP-3alpha)/CCL20 and MIP-3beta/CCL19 are members of the CC chemokine subfamily which exert their effects through specific receptors, CCR6 and CCR7, respectively. Previously, we have reported that human neutrophils have the capacity to produce a number of chemokines, including IL-8/CXCL8, GROalpha/CXCL1, IP-10/CXCL10, and MIG/CXCL9. Herein, we show that neutrophils also have the ability to express and release MIP-3alpha/CCL20 and MIP-3beta/CCL19 when cultured with either LPS or TNF-alpha. We also report that MIP-3alpha/CCL20 and MIP-3beta/CCL19 production by LPS-stimulated neutrophils is negatively modulated by IL-10. Remarkably, we found that supernatants harvested from stimulated neutrophils not only induced chemotaxis of both immature and mature dendritic cells (DC), but also triggered rapid integrin-dependent adhesion of CCR6- and CCR7-expressing lymphocytes to purified VCAM-1 and ICAM-1, respectively. Importantly, both chemotaxis and rapid integrin-dependent adhesion were dramatically suppressed by anti-MIP-3alpha/CCL20 and anti-MIP-3beta/CCL19 neutralizing antibodies, indicating that MIP-3alpha/CCL20 and MIP-3beta/CCL19 present in the supernatants were both biologically active. As these chemokines are primarily chemotactic for DC and specific lymphocyte subsets, the ability of neutrophils to produce MIP-3alpha/CCL20 and MIP-3beta/CCL19 might be significant in orchestrating the recruitment of these cell types to the inflamed sites and therefore in contributing to the regulation of the immune response.
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Affiliation(s)
- P Scapini
- Department of Pathology, Section of General Pathology, University of Verona, Verona, Italy
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23
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Scapini P, Laudanna C, Pinardi C, Allavena P, Mantovani A, Sozzani S, Cassatella MA. Neutrophils produce biologically active macrophage inflammatory protein-3alpha (MIP-3alpha)/CCL20 and MIP-3beta/CCL19. Eur J Immunol 2001; 31:1981-8. [PMID: 11449350 DOI: 10.1002/1521-4141(200107)31:7<1981::aid-immu1981>3.0.co;2-x] [Citation(s) in RCA: 53] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/06/2022]
Abstract
Macrophage inflammatory protein-3alpha (MIP-3alpha)/CCL20 and MIP-3beta/CCL19 are members of the CC chemokine subfamily which exert their effects through specific receptors, CCR6 and CCR7, respectively. Previously, we have reported that human neutrophils have the capacity to produce a number of chemokines, including IL-8/CXCL8, GROalpha/CXCL1, IP-10/CXCL10, and MIG/CXCL9. Herein, we show that neutrophils also have the ability to express and release MIP-3alpha/CCL20 and MIP-3beta/CCL19 when cultured with either LPS or TNF-alpha. We also report that MIP-3alpha/CCL20 and MIP-3beta/CCL19 production by LPS-stimulated neutrophils is negatively modulated by IL-10. Remarkably, we found that supernatants harvested from stimulated neutrophils not only induced chemotaxis of both immature and mature dendritic cells (DC), but also triggered rapid integrin-dependent adhesion of CCR6- and CCR7-expressing lymphocytes to purified VCAM-1 and ICAM-1, respectively. Importantly, both chemotaxis and rapid integrin-dependent adhesion were dramatically suppressed by anti-MIP-3alpha/CCL20 and anti-MIP-3beta/CCL19 neutralizing antibodies, indicating that MIP-3alpha/CCL20 and MIP-3beta/CCL19 present in the supernatants were both biologically active. As these chemokines are primarily chemotactic for DC and specific lymphocyte subsets, the ability of neutrophils to produce MIP-3alpha/CCL20 and MIP-3beta/CCL19 might be significant in orchestrating the recruitment of these cell types to the inflamed sites and therefore in contributing to the regulation of the immune response.
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Affiliation(s)
- P Scapini
- Department of Pathology, Section of General Pathology, University of Verona, Verona, Italy
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24
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Fontana L, Giagulli C, Minuz P, Lechi A, Laudanna C. 8-Iso-PGF2 alpha induces beta 2-integrin-mediated rapid adhesion of human polymorphonuclear neutrophils: a link between oxidative stress and ischemia/reperfusion injury. Arterioscler Thromb Vasc Biol 2001; 21:55-60. [PMID: 11145933 DOI: 10.1161/01.atv.21.1.55] [Citation(s) in RCA: 45] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/16/2022]
Abstract
F(2)-Isoprostanes are generated from a cyclooxygenase-independent oxidative modification of arachidonic acid. They are present in atherosclerotic plaques and are platelet activators as well as potent vasoconstrictors. Polymorphonuclear neutrophils are major players in ischemia/reperfusion injury and in restenosis after PTCA. The effects of 8-isoprostaglandin (PG) F(2alpha) on very rapid beta(2)-integrin-dependent adhesion was evaluated in human neutrophils in vitro by use of purified integrin as ligand. 8-Iso-PGF(2alpha) (1 nmol/L to 20 micromol/L) triggers a dose-dependent, very rapid neutrophil adhesion to human fibrinogen but not to the endothelial ligand intercellular adhesion molecule-1. Pretreatment with anti-ss(2)-integrin subtypes showed activation of CD11b/CD18 and CD11c/CD18. Adhesion triggering was completely prevented by pertussis toxin. SQ29,548, a specific antagonist of thromboxane A2 receptor, also dose-dependently prevented 8-iso-PGF(2alpha)-triggered neutrophil adhesion. 8-Iso-PGF(2alpha) did not trigger adhesion in human monocytes and lymphocytes and did not induce neutrophil chemotaxis or activation of the oxygen free-radical-forming enzyme NADPH-oxidase. These data highlight the role of 8-iso-PGF(2alpha) as a specific activator of rapid neutrophil adhesion and suggest its involvement in the pathogenesis of ischemia/reperfusion injury and in restenosis after PTCA. The effect is transduced via activation of the receptor for thromboxane A2.
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Affiliation(s)
- L Fontana
- Department of Biomedical and Surgical Sciences, Section of General Pathology, University of Verona, Verona, Italy.
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25
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Constantin G, Majeed M, Giagulli C, Piccio L, Kim JY, Butcher EC, Laudanna C. Chemokines trigger immediate beta2 integrin affinity and mobility changes: differential regulation and roles in lymphocyte arrest under flow. Immunity 2000; 13:759-69. [PMID: 11163192 DOI: 10.1016/s1074-7613(00)00074-1] [Citation(s) in RCA: 385] [Impact Index Per Article: 16.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/14/2023]
Abstract
Chemokines trigger rapid integrin-dependent lymphocyte arrest to vascular endothelium. We show that the chemokines SLC, ELC, and SDF-1alpha rapidly induce lateral mobility and transient increase of affinity of the beta2 integrin LFA-1. Inhibition of phosphatidylinositol 3-OH kinase (PI(3)K) activity blocks mobility but not affinity changes and prevents lymphocyte adhesion to ICAM-1 immobilized at low but not high densities, suggesting that mobility enhances the frequency of encounters between high-affinity integrin and ligand but that at higher ligand density affinity changes are sufficient for arrest. Thus, chemokines trigger, through distinct signaling pathways, both a high-affinity state and lateral mobility of LFA-1 that can coordinately determine the vascular arrest of circulating lymphocytes under physiologic conditions.
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Affiliation(s)
- G Constantin
- Department of Pathology, Faculty of Medicine, University of Verona, Italy
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26
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Gasperini S, Marchi M, Calzetti F, Laudanna C, Vicentini L, Olsen H, Murphy M, Liao F, Farber J, Cassatella MA. Gene expression and production of the monokine induced by IFN-gamma (MIG), IFN-inducible T cell alpha chemoattractant (I-TAC), and IFN-gamma-inducible protein-10 (IP-10) chemokines by human neutrophils. J Immunol 1999; 162:4928-37. [PMID: 10202039] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Subscribe] [Scholar Register] [Indexed: 02/11/2023]
Abstract
Monokine induced by IFN-gamma (MIG), IFN-inducible T cell alpha chemoattractant (I-TAC), and IFN-gamma-inducible protein of 10 kDa (IP-10) are related members of the CXC chemokine subfamily that bind to a common receptor, CXCR3, and that are produced by different cell types in response to IFN-gamma. We have recently reported that human polymorphonuclear neutrophils (PMN) have the capacity to release IP-10. Herein, we show that PMN also have the ability to produce MIG and to express I-TAC mRNA in response to IFN-gamma in combination with either TNF-alpha or LPS. While IFN-gamma, alone or in association with agonists such as fMLP, IL-8, granulocyte (G)-CSF and granulocyte-macrophage (GM)-CSF, failed to influence MIG, IP-10, and I-TAC gene expression, IFN-alpha, in combination with TNF-alpha, LPS, or IL-1beta, resulted in a considerable induction of IP-10 release by neutrophils. Furthermore, IL-10 and IL-4 significantly suppressed the expression of MIG, IP-10, and I-TAC mRNA and the extracellular production of MIG and IP-10 in neutrophils stimulated with IFN-gamma plus either LPS or TNF-alpha. Finally, supernatants harvested from stimulated PMN induced migration and rapid integrin-dependent adhesion of CXCR3-expressing lymphocytes; these activities were significantly reduced by neutralizing anti-MIG and anti-IP-10 Abs, suggesting that they were mediated by MIG and IP-10 present in the supernatants. Since MIG, IP-10, and I-TAC are potent chemoattractants for NK cells and Th1 lymphocytes, the ability of neutrophils to produce these chemokines might contribute not only to the progression and evolution of the inflammatory response, but also to the regulation of the immune response.
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Affiliation(s)
- S Gasperini
- Departments of General Pathology and Pediatric Clinic, University of Verona, Verona, Italy
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Constantin G, Laudanna C, Brocke S, Butcher EC. Inhibition of experimental autoimmune encephalomyelitis by a tyrosine kinase inhibitor. J Immunol 1999; 162:1144-9. [PMID: 9916745] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Subscribe] [Scholar Register] [Indexed: 02/10/2023]
Abstract
Migration of lymphocytes from the blood into the brain is a critical event in the pathogenesis of experimental autoimmune encephalomyelitis. Lymphocyte adhesion to brain endothelium is the first step in lymphocyte entry into the central nervous system, leading subsequently to myelin damage and paralysis. In this paper we show that the tyrosine kinase inhibitor, tyrphostin AG490, prevents binding of freshly isolated mouse lymph node cells and of in vivo activated lymphocytes to endothelium of inflamed brain in Stamper-Woodruff adhesion assays. Moreover, AG490 inhibits adhesion of encephalitogenic T cell lines to purified ICAM-1 and VCAM-1, molecules implicated in T cell recruitment into the central nervous system. In contrast, 2-h treatment of T cell lines with high doses of tyrphostin AG490 have no effect on the viability, intracellular calcium elevation induced by Con A or TCR cross-linking, proliferation, or TNF production by Ag-stimulated T cell lines. Systemic administration of AG490 prevents the accumulation of leukocytes in the brain and the development of experimental autoimmune encephalomyelitis induced by proteolipid protein, peptide 139-151-specific T cell lines in SJL/J mice. Blood leukocytes isolated from mice treated with tyrphostin AG490 are less adhesive on purified very late Ag-4 ligands compared with adhesion of leukocytes from control animals. Our results suggest that inhibition of signaling pathways involved in lymphocyte adhesion may represent a novel therapeutic approach for demyelinating diseases.
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Affiliation(s)
- G Constantin
- Department of Pathology, Digestive Disease Center, Stanford University School of Medicine, CA 95305, USA.
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28
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Abstract
Migration of lymphocytes from blood into the brain is a critical event in the pathogenesis of multiple sclerosis and its animal model, experimental autoimmune encephalomyelitis (EAE). Previous observations made in our laboratory showed that protein tyrosine kinase inhibitors were able to block lymphocyte adhesion to brain endothelium and prevent the entry of encephalitogenic T cell lines into the brain of SJL/J mice. Here we show that systemic administration of the protein tyrosine kinase inhibitor, tyrphostin AG490, blocks the development of actively induced EAE in a dose-dependent manner. Administration of 1 mg of drug daily significantly decreased the severity of the disease, while 3 mg of AG490 daily totally blocked the disease in 62% of treated animals, and in those that developed the disease, paralysis was delayed and clinical score was significantly reduced. Blood leukocytes isolated from mice treated with tyrphostin AG490 were less adhesive on VCAM-1 and fibronectin, when compared with control animals. AG490 treatment had no effect on the proliferation by antigen-stimulated peripheral lymph nodes cells. Interestingly, cells obtained from draining lymph nodes in AG490-treated animals and stimulated with antigen secreted two times more IFN-gamma and four times more IL-10, when compared with control animals, whereas no difference was observed in TNF-alpha production. Our results suggest that tyrphostin AG490 may have therapeutic potential by blocking tyrosine kinase activities involved in key mechanisms leading to demyelinating diseases of the central nervous system.
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Affiliation(s)
- G Constantin
- Department of Pathology, Stanford University School of Medicine, Veterans Administration Medical Center, Palo Alto, USA.
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Laudanna C, Mochly-Rosen D, Liron T, Constantin G, Butcher EC. Evidence of zeta protein kinase C involvement in polymorphonuclear neutrophil integrin-dependent adhesion and chemotaxis. J Biol Chem 1998; 273:30306-15. [PMID: 9804792 DOI: 10.1074/jbc.273.46.30306] [Citation(s) in RCA: 194] [Impact Index Per Article: 7.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/06/2022] Open
Abstract
Classical chemoattractants and chemokines trigger integrin-dependent adhesion of blood leukocytes to vascular endothelium and also direct subsequent extravasation and migration into tissues. In studies of human polymorphonuclear neutrophil responses to formyl peptides and to interleukin 8, we show evidence of involvement of the atypical zeta protein kinase C in the signaling pathway leading to chemoattractant-triggered actin assembly, integrin-dependent adhesion, and chemotaxis. Selective inhibitors of classical and novel protein kinase C isozymes do not prevent chemoattractant-induced neutrophil adhesion and chemotaxis. In contrast, chelerythrine chloride and synthetic myristoylated peptides with sequences based on the endogenous zeta protein kinase C pseudosubstrate region block agonist-induced adhesion to fibrinogen, chemotaxis and F-actin accumulation. Biochemical analysis shows that chemoattractants trigger rapid translocation of zeta protein kinase C to the plasma membrane accompanied by rapid but transient increase of the kinase activity. Moreover, pretreatment with C3 transferase, a specific inhibitor of Rho small GTPases, blocks zeta but not alpha protein kinase C plasma membrane translocation. Synthetic peptides from zeta protein kinase C also inhibit phorbol ester-induced integrin-dependent adhesion but not NADPH-oxidase activation, and C3 transferase pretreatment blocks phorbol ester-triggered translocation of zeta but not alpha protein kinase C. These data suggest the involvement of zeta protein kinase C in chemoattractant-induced leukocyte integrin-dependent adhesion and chemotaxis. Moreover, they highlight a potential link between atypical protein kinase C isozymes and Rho signaling pathways leading to integrin-activation.
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Affiliation(s)
- C Laudanna
- Laboratory of Immunology and Vascular Biology, Department of Pathology, and the Digestive Disease Center, Department of Medicine, Stanford University, Stanford, California 94305, USA.
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30
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Abstract
Migration of lymphocytes from blood into the brain is a critical event in the pathogenesis of multiple sclerosis and its animal model, experimental autoimmune encephalomyelitis (EAE). Previous observations made in our laboratory showed that protein tyrosine kinase inhibitors were able to block lymphocyte adhesion to brain endothelium and prevent the entry of encephalitogenic T cell lines into the brain of SJL/J mice. Here we show that systemic administration of the protein tyrosine kinase inhibitor, tyrphostin AG490, blocks the development of actively induced EAE in a dose-dependent manner. Administration of 1 mg of drug daily significantly decreased the severity of the disease, while 3 mg of AG490 daily totally blocked the disease in 62% of treated animals, and in those that developed the disease, paralysis was delayed and clinical score was significantly reduced. Blood leukocytes isolated from mice treated with tyrphostin AG490 were less adhesive on VCAM-1 and fibronectin, when compared with control animals. AG490 treatment had no effect on the proliferation by antigen-stimulated peripheral lymph nodes cells. Interestingly, cells obtained from draining lymph nodes in AG490-treated animals and stimulated with antigen secreted two times more IFN-gamma and four times more IL-10, when compared with control animals, whereas no difference was observed in TNF-alpha production. Our results suggest that tyrphostin AG490 may have therapeutic potential by blocking tyrosine kinase activities involved in key mechanisms leading to demyelinating diseases of the central nervous system.
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Affiliation(s)
- G Constantin
- Department of Pathology, Stanford University School of Medicine, Veterans Administration Medical Center, Palo Alto, USA.
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31
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Laudanna C, Campbell JJ, Butcher EC. Elevation of intracellular cAMP inhibits RhoA activation and integrin-dependent leukocyte adhesion induced by chemoattractants. J Biol Chem 1997; 272:24141-4. [PMID: 9305861 DOI: 10.1074/jbc.272.39.24141] [Citation(s) in RCA: 171] [Impact Index Per Article: 6.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/05/2023] Open
Abstract
Chemoattractant receptors of the serpentine, heterotrimeric Galphai protein-linked family can activate leukocyte integrins and in this role regulate leukocyte traffic and cell-cell interactions in immune and inflammatory responses. Using a mouse lymphoid cell line transfected with human formyl peptide or interleukin-8 receptors and normal human neutrophils as models, we show that cAMP functions as a gating element on the chemoattractant-induced rho-dependent signaling pathway leading to leukocyte integrin activation and adhesion. cAMP, acting through protein kinase A, inhibits chemoattractant-triggered integrin-dependent leukocyte adhesion. cAMP also prevents guanine nucleotide exchange on RhoA, a small GTP-binding protein of the rho subfamily, which is activated in seconds by chemoattractants. In contrast, chemoattractant-triggered intracellular calcium elevation is unaffected by cAMP, and cAMP has no effect on rho-dependent adhesion and RhoA guanine nucleotide exchange triggered through the independent protein kinase C pathway. These data suggest that cAMP-induced inhibition of rho activation may be responsible for the anti-adhesive effect of cAMP and may contribute to the anti-inflammatory activity of cAMP elevating agonists and drugs. Moreover, the findings extend the concept of cyclic nucleotide gating as a broadly important mechanism in the regulation of intracellular signaling pathways and the cellular activities they control.
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Affiliation(s)
- C Laudanna
- Department of Pathology, Stanford University, Stanford, California 94305, USA
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Cope AP, Liblau RS, Yang XD, Congia M, Laudanna C, Schreiber RD, Probert L, Kollias G, McDevitt HO. Chronic tumor necrosis factor alters T cell responses by attenuating T cell receptor signaling. J Exp Med 1997; 185:1573-84. [PMID: 9151895 PMCID: PMC2196294 DOI: 10.1084/jem.185.9.1573] [Citation(s) in RCA: 230] [Impact Index Per Article: 8.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/03/1997] [Revised: 03/05/1997] [Indexed: 02/04/2023] Open
Abstract
Repeated injections of adult mice with recombinant murine TNF prolong the survival of NZB/W F1 mice, and suppress type I insulin-dependent diabetes mellitus (IDDM) in non-obese diabetic (NOD) mice. To determine whether repeated TNF injections suppress T cell function in adult mice, we studied the responses of influenza hemagglutinin-specific T cells derived from T cell receptor (HNT-TCR) transgenic mice. Treatment of adult mice with murine TNF for 3 wk suppressed a broad range of T cell responses, including proliferation and cytokine production. Furthermore, T cell responses of HNT-TCR transgenic mice also expressing the human TNF-globin transgene were markedly reduced compared to HNT-TCR single transgenic littermates, indicating that sustained p55 TNF-R signaling is sufficient to suppress T cell function in vivo. Using a model of chronic TNF exposure in vitro, we demonstrate that (a) chronic TNF effects are dose and time dependent, (b) TNF suppresses the responses of both Th1 and Th2 T helper subsets, (c) the suppressive effects of endogenous TNF produced in T cell cultures could be reversed with neutralizing monoclonal antibodies to TNF, and (d) prolonged TNF exposure attenuates T cell receptor signaling. The finding that anti-TNF treatment in vivo enhances T cell proliferative responses and cytokine production provides evidence for a novel regulatory effect of TNF on T cells in healthy laboratory mice. These effects are more pronounced in chronic inflammatory disease. In addition, our data provide a mechanism through which prolonged TNF exposure suppresses disease in animal models of autoimmunity.
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Affiliation(s)
- A P Cope
- Department of Microbiology and Immunology, Stanford University School of Medicine, California 94305, USA
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33
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Abstract
We describe a new method based on radioactive metabolic labeling with [3H]glycerol to study the lymphocyte trafficking in mice. Lymphocyte labeling with [3H]glycerol is time- and dose-dependent. Radioactive leaking is less significant than in 51Cr-labeled cells. Lymphocytes, labeled with [3H]glycerol, with 51Cr, or with both labels together show the same pattern of homing to Peyer's patches (PP), peripheral and mesenteric lymph nodes and spleen and homing shows the expected dependence on pertussis toxin (PTX)-sensitive signaling, suggesting that the labeling procedure with [3H]glycerol does not affect lymphocyte trafficking properties. Tissue accumulation can be readily assessed by scintillation counting of sonicated samples obtained after perfusion of the vasculature with saline to remove blood. Moreover, we show that cell labeling with [3H]glycerol provides improved sensitivity in assessing the accumulation of small numbers of labeled cells in non-lymphoid organs, and permits identification of homed leukocytes in histologic sections.
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Affiliation(s)
- G Constantin
- Department of Pathology, Stanford University School of Medicine, CA 95305, USA.
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34
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Abstract
Heterotrimeric guanine nucleotide binding protein (G protein)-linked receptors of the chemoattractant subfamily can trigger adhesion through leukocyte integrins, and in this role they are thought to regulate immune cell-cell interactions and trafficking. In lymphoid cells transfected with formyl peptide or interleukin-8 receptors, agonist stimulation activated nucleotide exchange on the small guanosine triphosphate-binding protein RhoA in seconds. Inactivation of Rho by C3 transferase exoenzyme blocked agonist-induced lymphocyte alpha4beta1 adhesion to vascular cell adhesion molecule-1 and neutrophil beta2 integrin adhesion to fibrinogen. These findings suggest that Rho participates in signaling from chemoattractant receptors to trigger rapid adhesion in leukocytes.
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Affiliation(s)
- C Laudanna
- Laboratory of Immunology and Vascular Biology, Department of Pathology, Stanford University, CA 94305, USA
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35
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Abstract
We investigated whether sulfatides are able to trigger transmembrane signals and activation of selective cell functions in human monocytes. Sulfatides stimulated an increase in cytosolic free-calcium in monocytes, and this depended on the release of calcium from intracellular stores. Non-sulfated galactocerebrosides had no effect on monocyte cytosolic free calcium. Sulfatides enhanced expression of tumor necrosis factor, interleukin-8, and interleukin-1 beta, but not interleukin-12/natural killer cell stimulating factor mRNAs. Sulfatides also triggered secretion of cytokines into the extracellular medium, although they were much less effective than lipopolysaccharide. Both enhanced expression of cytokine mRNAs and secretion by sulfatides required sulfation of the galactose ring of the glycolipid as non-sulfated galactocerebrosides had no effect. These findings suggest that sulfatides that are released at sites of inflammation can amplify the inflammatory reaction triggering cytokine expression in, and release by, monocytes.
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Affiliation(s)
- G Constantin
- Institute of General Pathology, University of Verona, Italy
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36
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Berton G, Fumagalli L, Laudanna C, Sorio C. Beta 2 integrin-dependent protein tyrosine phosphorylation and activation of the FGR protein tyrosine kinase in human neutrophils. J Cell Biol 1994; 126:1111-21. [PMID: 7519620 PMCID: PMC2120114 DOI: 10.1083/jcb.126.4.1111] [Citation(s) in RCA: 135] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/25/2023] Open
Abstract
Stimulation of adherent human neutrophils (PMN) with tumor necrosis factor (TNF) triggers protein tyrosine phosphorylation (Fuortes, M., W. W. Jin, and C. Nathan. 1993. J. Cell Biol. 120:777-784). We investigated the dependence of this response on beta 2 integrins by using PMN isolated from a leukocyte adhesion deficiency (LAD) patient, which do not express beta 2 integrins, and by plating PMN on surface bound anti-beta 2 (CD18) antibodies. Protein tyrosine phosphorylation increased in PMN plated on fibrinogen and this phosphorylation was enhanced by TNF. Triggering of protein tyrosine phosphorylation did not occur in LAD PMN plated on fibrinogen either in the absence or the presence of TNF. Surface bound anti-CD18, but not isotype-matched anti-Class I major histocompatibility complex (MHC) antigens, antibodies triggered tyrosine phosphorylation in normal, but not in LAD PMN. As the major tyrosine phosphorylated proteins we found in our assay conditions migrated with an apparent molecular mass of 56-60 kD, we investigated whether beta 2 integrins are implicated in activation of members of the src family of intracellular protein-tyrosine kinases. We found that the fgr protein-tyrosine kinase (p58fgr) activity, and its extent of phosphorylation in tyrosine, in PMN adherent to fibrinogen, was enhanced by TNF. Activation of p58fgr in response to TNF was evident within 10 min of treatment and increased with times up to 30 min. Also other activators of beta 2 integrins such as phorbol-12-myristate 13-acetate (PMA), and formyl methionyl-leucyl-phenylalanine (FMLP), induced activation of p58fgr kinase activity. Activation of p58fgr kinase activity, and phosphorylation in tyrosine, did not occur in PMN of a LAD patient in response to TNF. Soluble anti-CD18, but not anti-Class I MHC antigens, antibodies inhibited activation of p58fgr kinase activity in PMN adherent to fibrinogen in response to TNF, PMA, and FMLP. These findings demonstrate that, in PMN, beta 2 integrins are implicated in triggering of protein tyrosine phosphorylation, and establish a link between beta 2 integrin-dependent adhesion and the protein tyrosine kinase fgr in cell signaling.
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Affiliation(s)
- G Berton
- Institute of General Pathology, University of Verona, Italy
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37
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Laudanna C, Constantin G, Baron P, Scarpini E, Scarlato G, Cabrini G, Dechecchi C, Rossi F, Cassatella MA, Berton G. Sulfatides trigger increase of cytosolic free calcium and enhanced expression of tumor necrosis factor-alpha and interleukin-8 mRNA in human neutrophils. Evidence for a role of L-selectin as a signaling molecule. J Biol Chem 1994; 269:4021-6. [PMID: 7508438] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/25/2023] Open
Abstract
Sulfatides have been established recently as ligands for L-selectin, and we investigated whether they trigger transmembrane signals through ligation of L-selectin. We found that sulfatides trigger the increase of cytosolic free calcium in neutrophils and that this effect was strictly dependent on sulfation of the galactose ring, as non-sulfated galactocerebrosides were not stimulatory. Chymotrypsin and phorbol 12-myristate 13-acetate treatment of neutrophils caused shedding of L-selectin, but not of class I major histocompatibility complex antigens or beta 2 integrins, and blunted the capability of neutrophils to respond to sulfatides with an increase of cytosolic free calcium. Four different anti-L-selectin antibodies (DREG-200, LAM1/3, LAM1/6, and LAM1/10), but not four control antibodies directed against different surface molecules of neutrophils, also triggered an increase of cytosolic free calcium. The anti-L-selectin antibodies were stimulatory both if used in a soluble form, after cross-linking with anti-mouse F(ab')2 fragments, and immobilized to protein A of Staphylococcus aureus through the Fc fragment. With immobilized antibodies, an increase of cytosolic free calcium was found also by plating neutrophils on antibodies bound to protein A-coated coverslips and monitoring the increase of cytosolic free calcium by fluorescence microscopy. Both sulfatides and anti-L-selectin antibody effects were not inhibited by pertussis toxin, thus indicating that a pertussis toxin-sensitive GTP-binding protein was not involved in signal transduction. Sulfatides also triggered an increase of tumor necrosis factor-alpha and interleukin-8 mRNAs in neutrophils. Also to act as stimuli of cytokine mRNA expression, sulfatides required sulfation of the galactose ring, as non-sulfated galactocerebrosides were not stimulatory, and depended on expression of L-selectin, as shedding of this molecules induced by chymotrypsin blunted their effects. These findings suggest that L-selectin can transduce signals activating selective cell function.
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Affiliation(s)
- C Laudanna
- Institute of General Pathology, University of Verona, Italy
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38
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Laudanna C, Melotti P, Bonizzato C, Piacentini G, Boner A, Serra MC, Berton G. Ligation of members of the beta 1 or the beta 2 subfamilies of integrins by antibodies triggers eosinophil respiratory burst and spreading. Immunology 1993; 80:273-80. [PMID: 7903278 PMCID: PMC1422189] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/27/2023] Open
Abstract
Eosinophils interact with extracellular matrix proteins and endothelial cells through adhesion proteins belonging to the beta 1 and beta 2 subfamilies of integrins. Extending previous observations, we found that tumour necrosis factor (TNF) and granulocyte-macrophage colony-stimulating factor stimulated generation of superoxide anion by eosinophils plated on fibronectin-coated surfaces. As studies with adherent neutrophils indicated that TNF might act as activating leucocyte integrins to deliver signals involved in activation of cell functions, we investigated the effects of monoclonal antibodies (mAb) directed against VLA-4 (CD49d/CD29), LFA-1 (CD11a/CD18), CR3 (CD11b/CD18) or the common beta 2 subunit (CD18) on generation of eosinophil toxic oxygen molecules and spreading. We show that cross-linking of members of both the beta 1 and the beta 2 integrin subfamilies triggers eosinophil respiratory burst and spreading. Evidence for the selectivity of anti-integrin mAb effects is derived from the findings that isotype-matched mAb of other specificities (anti-class I MHC Ag, anti-beta 2-microglobulin, anti-CD4) did not trigger eosinophil functions. The findings presented in this paper suggest that integrin-dependent, eosinophil adhesion in sites of allergic reaction may be accompanied by release of toxic oxygen molecules involved in tissue damage.
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Affiliation(s)
- C Laudanna
- Institute of General Pathology, University of Verona, Italy
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39
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Laudanna C, Rossi F, Berton G. Effect of inhibitors of distinct signalling pathways on neutrophil Q2- generation in response to tumor necrosis factor-alpha, and antibodies against CD18 and CD11a: evidence for a common and unique pattern of sensitivity to wortmannin and protein tyrosine kinase inhibitors. Biochem Biophys Res Commun 1993; 190:935-40. [PMID: 8094958 DOI: 10.1006/bbrc.1993.1139] [Citation(s) in RCA: 49] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/28/2023]
Abstract
In these studies we show that stimulation of O2- generation by Tumor necrosis factor-alpha (TNF), or antibodies against the common beta 2 chain of leukocyte integrins (CD18), or LFA-1 (CD11a) displays a common and unique pattern of sensitivity or insensitivity to inhibitors of different signalling pathways. Both ways of stimulating neutrophil O2- generation were blocked by wortmannin, an inhibitor of myosin light chain kinase (Nakanishi, S., et al., 1992., J. Biol. Chem. 267, 2157-2163), and three different inhibitors of protein tyrosine kinases. Neither staurosporine, a protein kinase C inhibitor, nor Pertussis toxin, at concentrations which inhibited O2- generation in response to PMA, and FMLP, respectively, had any effect.
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Affiliation(s)
- C Laudanna
- Institute of General Pathology, University of Verona, Italy
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40
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Berton G, Laudanna C, Sorio C, Rossi F. Generation of signals activating neutrophil functions by leukocyte integrins: LFA-1 and gp150/95, but not CR3, are able to stimulate the respiratory burst of human neutrophils. J Cell Biol 1992; 116:1007-17. [PMID: 1346398 PMCID: PMC2289342 DOI: 10.1083/jcb.116.4.1007] [Citation(s) in RCA: 143] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/22/2022] Open
Abstract
To address the question whether leukocyte integrins are able to generate signals activating neutrophil functions, we investigated the capability of mAbs against the common beta chain (CD18), or the distinct alpha chains of CR3, LFA-1, or gp150/95, to activate neutrophil respiratory burst. These investigations were performed with mAbs bound to protein A immobilized to tissue culture polystyrene. Neutrophils plated in wells coated with the anti-CD18 mAbs IB4 and 60.3 released H2O2; H2O2 release did not occur when neutrophils were plated in wells coated with an irrelevant, isotype-matched mAb (OKDR), or with mAbs against other molecules (CD16, beta 2-microglobulin) expressed on the neutrophil surface at the same density of CD18. Four different mAbs, OKM1, OKM9, OKM10, 60.1, which recognize distinct epitopes of CR3 were unable to trigger H2O2 or O2- release from neutrophils. However, mAbs against LFA-1 or gp150/95 triggered both H2O2 and O2- release from neutrophils. Stimulation of neutrophils respiratory burst by both anti- CD18, and anti-LFA-1 or gp150/95 mAbs was totally inhibited by the microfilaments disrupting agent, cytochalasin B, and by a permeable cAMP analogue. While the capability to activate neutrophil respiratory burst was restricted to anti-LFA-1 and gp150/95 mAbs, we observed that mAbs against all members of leukocyte integrins, including CR3, were able to trigger neutrophil spreading. These findings indicate that, in neutrophils, all three leukocyte integrins can generate signals activating spreading, but only LFA-1 and gp150/95 can generate signals involved in activation of the respiratory burst. This observation can be relevant to understand the mechanisms responsible for the activation of neutrophil respiratory burst by tumor necrosis factor-alpha, which has been shown to be strictly dependent on expression of leukocyte integrins (Nathan, C., S. Srimal, C. Farber, E. Sanchez, L. Kabbash, A. Asch, J. Gailit, and S. Wright. 1989. J. Cell Biol. 109:13411349.
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Affiliation(s)
- G Berton
- Institute of General Pathology, University of Verona, Italy
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41
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Bazzoni F, Cassatella MA, Laudanna C, Rossi F. Phagocytosis of opsonized yeast induces tumor necrosis factor-alpha mRNA accumulation and protein release by human polymorphonuclear leukocytes. J Leukoc Biol 1991; 50:223-8. [PMID: 1856593 DOI: 10.1002/jlb.50.3.223] [Citation(s) in RCA: 66] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/29/2022] Open
Abstract
In this report we show that phagocytosis of yeast particles opsonized with IgG (Y-IgG) by human polymorphonuclear cells (PMN) results in the selective induction of tumor necrosis factor (TNF-alpha) messenger RNA (mRNA) and release of its mature protein. Lipopolysaccharide (LPS) was also found able to induce TNF-alpha secretion by PMN, but was a less potent stimulus compared with Y-IgG. There was no evidence of interleukin-6 (IL-6) gene expression in PMN after phagocytosis of Y-IgG or in response to LPS, whereas IL-6 mRNA expression and secretion were induced by either stimulus in monocytes. These findings demonstrate that a physiological function such as phagocytosis modulates the gene expression for a cytokine in PMN and shed new light on the understanding of the pathogenesis of the inflammatory process.
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Affiliation(s)
- F Bazzoni
- Institute of General Pathology, University of Verona, Italy
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42
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Berton G, Sorio C, Laudanna C, Menegazzi M, Carcereri De Prati A, Suzuki H. Activation of human monocyte-derived macrophages by interferon gamma is accompanied by increase of poly(ADP-ribose) polymerase activity. Biochim Biophys Acta 1991; 1091:101-9. [PMID: 1899803 DOI: 10.1016/0167-4889(91)90228-p] [Citation(s) in RCA: 22] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 12/29/2022]
Abstract
We have investigated poly(ADP-ribosyl)ation processes in human monocyte-derived macrophages and the effect of the activating cytokine, interferon gamma (IFN-gamma) on these processes. IFN-gamma was shown to increase the activity of poly(ADP-ribose) polymerase in human macrophages. A 2-3-fold enhancement of poly(ADP-ribose) polymerase activity was observed after 3-4 h of incubation with IFN-gamma, whose effects were dose-dependent and maximal at 20-50 U/ml. Staining with anti-poly(ADP-ribose) antibodies and purification of ADP-ribosylated nuclear proteins by affinity chromatography over boronate agarose showed that enhancement of poly(ADP-ribose) polymerase activity by IFN-gamma was accompanied by accumulation of poly(ADP-ribose) polymers in nuclear proteins. The effects of IFN-gamma on poly(ADP-ribose) polymerase activity were not due to an enhanced accumulation of the message for the enzyme, indicating that the activation of the enzyme activity was due to post-transcriptional modifications. IFN-gamma was shown to induce DNA strand breaks in human macrophages. This phenomenon followed the same time-course and was evident with the same doses of IFN-gamma that increased poly(ADP-ribose) polymerase activity. Since poly(ADP-ribose) polymerase is known to require DNA nicks for its activity, the capability of IFN-gamma to induce DNA strand breaks can explain its effects on poly(ADP-ribosyl)ation processes.
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Affiliation(s)
- G Berton
- Institute of General Pathology, University of Verona, Italy
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Laudanna C, Miron S, Berton G, Rossi F. Tumor necrosis factor-alpha/cachectin activates the O2(-)-generating system of human neutrophils independently of the hydrolysis of phosphoinositides and the release of arachidonic acid. Biochem Biophys Res Commun 1990; 166:308-15. [PMID: 2154202 DOI: 10.1016/0006-291x(90)91946-p] [Citation(s) in RCA: 34] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/30/2022]
Abstract
We have investigated the mechanisms of transmembrane signalling implicated in the activation of the respiratory burst of adherent neutrophils by tumor necrosis factor-alpha/cachectin (TNF). The activation of the respiratory burst by TNF is insensitive to pertussis toxin and weakly sensitive to protein kinase C inhibitors. Cytochalasin B and dibutyryl cyclic AMP have an inhibitory effect. The activation of the respiratory burst by TNF takes place in the absence of formation of 3H-inositol phosphates, 32P-phosphatidic acid, and 3H-arachidonic acid. These results demonstrate that the activation of the respiratory burst by an endogenous, physiologic stimulus can be independent of the formation of messengers derived from hydrolysis of phosphoinositides.
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Affiliation(s)
- C Laudanna
- Institute of General Pathology, University of Verona, Italy
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