1
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Kazansky Y, Mueller HS, Cameron D, Demarest P, Zaffaroni N, Arrighetti N, Zuco V, Mundi PS, Kuwahara Y, Somwar R, Qu R, Califano A, de Stanchina E, Dela Cruz FS, Kung AL, Gounder MM, Kentsis A. Epigenetic targeting of PGBD5-dependent DNA damage in SMARCB1-deficient sarcomas. BIORXIV : THE PREPRINT SERVER FOR BIOLOGY 2024:2024.05.03.592420. [PMID: 38766189 PMCID: PMC11100591 DOI: 10.1101/2024.05.03.592420] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/22/2024]
Abstract
Despite the potential of targeted epigenetic therapies, most cancers do not respond to current epigenetic drugs. The Polycomb repressive complex EZH2 inhibitor tazemetostat was recently approved for the treatment of SMARCB1-deficient epithelioid sarcomas, based on the functional antagonism between PRC2 and loss of SMARCB1. Through the analysis of tazemetostat-treated patient tumors, we recently defined key principles of their response and resistance to EZH2 epigenetic therapy. Here, using transcriptomic inference from SMARCB1-deficient tumor cells, we nominate the DNA damage repair kinase ATR as a target for rational combination EZH2 epigenetic therapy. We show that EZH2 inhibition promotes DNA damage in epithelioid and rhabdoid tumor cells, at least in part via its induction of the transposase-derived PGBD5. We leverage this collateral synthetic lethal dependency to target PGBD5-dependent DNA damage by inhibition of ATR but not CHK1 using elimusertib. Consequently, combined EZH2 and ATR inhibition improves therapeutic responses in diverse patient-derived epithelioid and rhabdoid tumors in vivo. This advances a combination epigenetic therapy based on EZH2-PGBD5 synthetic lethal dependency suitable for immediate translation to clinical trials for patients.
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Affiliation(s)
- Yaniv Kazansky
- Molecular Pharmacology Program, Sloan Kettering Institute, Memorial Sloan Kettering Cancer Center, New York, NY, USA
- Tow Center for Developmental Oncology, Department of Pediatrics, Memorial Sloan Kettering Cancer Center, New York, NY, USA
| | - Helen S. Mueller
- Molecular Pharmacology Program, Sloan Kettering Institute, Memorial Sloan Kettering Cancer Center, New York, NY, USA
- Tow Center for Developmental Oncology, Department of Pediatrics, Memorial Sloan Kettering Cancer Center, New York, NY, USA
| | - Daniel Cameron
- Molecular Pharmacology Program, Sloan Kettering Institute, Memorial Sloan Kettering Cancer Center, New York, NY, USA
- Tow Center for Developmental Oncology, Department of Pediatrics, Memorial Sloan Kettering Cancer Center, New York, NY, USA
| | - Phillip Demarest
- Molecular Pharmacology Program, Sloan Kettering Institute, Memorial Sloan Kettering Cancer Center, New York, NY, USA
- Tow Center for Developmental Oncology, Department of Pediatrics, Memorial Sloan Kettering Cancer Center, New York, NY, USA
| | - Nadia Zaffaroni
- Molecular Pharmacology Unit, Department of Experimental Oncology, Fondazione IRCCS Istituto Nazionale dei Tumori di Milano, Milan, Italy
| | - Noemi Arrighetti
- Molecular Pharmacology Unit, Department of Experimental Oncology, Fondazione IRCCS Istituto Nazionale dei Tumori di Milano, Milan, Italy
| | - Valentina Zuco
- Molecular Pharmacology Unit, Department of Experimental Oncology, Fondazione IRCCS Istituto Nazionale dei Tumori di Milano, Milan, Italy
| | - Prabhjot S. Mundi
- Department of Systems Biology, Columbia University Irving Medical Center, New York, NY, USA
| | - Yasumichi Kuwahara
- Department of Biochemistry and Molecular Biology, Kyoto Prefectural University of Medicine
| | - Romel Somwar
- Department of Pathology, Memorial Sloan Kettering Cancer Center, New York, NY, USA
| | - Rui Qu
- Antitumor Assessment Core, Memorial Sloan Kettering Cancer Center, New York, NY, USA
| | - Andrea Califano
- Department of Pediatrics, Memorial Sloan Kettering Cancer Center, New York, NY, USA
| | - Elisa de Stanchina
- Antitumor Assessment Core, Memorial Sloan Kettering Cancer Center, New York, NY, USA
| | - Filemon S. Dela Cruz
- Department of Pediatrics, Memorial Sloan Kettering Cancer Center, New York, NY, USA
| | - Andrew L. Kung
- Department of Pediatrics, Memorial Sloan Kettering Cancer Center, New York, NY, USA
| | - Mrinal M. Gounder
- Department of Medicine, Memorial Sloan Kettering Cancer Center, New York, NY, USA
| | - Alex Kentsis
- Molecular Pharmacology Program, Sloan Kettering Institute, Memorial Sloan Kettering Cancer Center, New York, NY, USA
- Tow Center for Developmental Oncology, Department of Pediatrics, Memorial Sloan Kettering Cancer Center, New York, NY, USA
- Departments of Pediatrics, Pharmacology, and Physiology & Biophysics, Weill Medical College of Cornell University, New York, NY, USA
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2
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Pusch FF, Dorado García H, Xu R, Gürgen D, Bei Y, Brückner L, Röefzaad C, von Stebut J, Bardinet V, Chamorro Gonzalez R, Eggert A, Schulte JH, Hundsdörfer P, Seifert G, Haase K, Schäfer BW, Wachtel M, Kühl AA, Ortiz MV, Wengner AM, Scheer M, Henssen AG. Elimusertib has Antitumor Activity in Preclinical Patient-Derived Pediatric Solid Tumor Models. Mol Cancer Ther 2024; 23:507-519. [PMID: 38159110 PMCID: PMC10985474 DOI: 10.1158/1535-7163.mct-23-0094] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/13/2023] [Revised: 09/12/2023] [Accepted: 12/26/2023] [Indexed: 01/03/2024]
Abstract
The small-molecule inhibitor of ataxia telangiectasia and Rad3-related protein (ATR), elimusertib, is currently being tested clinically in various cancer entities in adults and children. Its preclinical antitumor activity in pediatric malignancies, however, is largely unknown. We here assessed the preclinical activity of elimusertib in 38 cell lines and 32 patient-derived xenograft (PDX) models derived from common pediatric solid tumor entities. Detailed in vitro and in vivo molecular characterization of the treated models enabled the evaluation of response biomarkers. Pronounced objective response rates were observed for elimusertib monotherapy in PDX, when treated with a regimen currently used in clinical trials. Strikingly, elimusertib showed stronger antitumor effects than some standard-of-care chemotherapies, particularly in alveolar rhabdomysarcoma PDX. Thus, elimusertib has strong preclinical antitumor activity in pediatric solid tumor models, which may translate to clinically meaningful responses in patients.
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Affiliation(s)
- Fabian F. Pusch
- Experimental and Clinical Research Center (ECRC) of the MDC and Charité Berlin, Berlin, Germany
- Department of Pediatric Oncology and Hematology, Charité—Universitätsmedizin Berlin, Corporate Member of Freie Universität Berlin, Humboldt-Universität zu Berlin, Berlin, Germany
| | - Heathcliff Dorado García
- Experimental and Clinical Research Center (ECRC) of the MDC and Charité Berlin, Berlin, Germany
- Department of Pediatric Oncology and Hematology, Charité—Universitätsmedizin Berlin, Corporate Member of Freie Universität Berlin, Humboldt-Universität zu Berlin, Berlin, Germany
| | - Robin Xu
- Experimental and Clinical Research Center (ECRC) of the MDC and Charité Berlin, Berlin, Germany
- Department of Pediatric Oncology and Hematology, Charité—Universitätsmedizin Berlin, Corporate Member of Freie Universität Berlin, Humboldt-Universität zu Berlin, Berlin, Germany
| | - Dennis Gürgen
- Experimental Pharmacology and Oncology (EPO), Berlin, Germany
| | - Yi Bei
- Experimental and Clinical Research Center (ECRC) of the MDC and Charité Berlin, Berlin, Germany
- Department of Pediatric Oncology and Hematology, Charité—Universitätsmedizin Berlin, Corporate Member of Freie Universität Berlin, Humboldt-Universität zu Berlin, Berlin, Germany
| | - Lotte Brückner
- Experimental and Clinical Research Center (ECRC) of the MDC and Charité Berlin, Berlin, Germany
- Department of Pediatric Oncology and Hematology, Charité—Universitätsmedizin Berlin, Corporate Member of Freie Universität Berlin, Humboldt-Universität zu Berlin, Berlin, Germany
- Max-Delbrück-Centrum für Molekulare Medizin (BIMSB/BIH), Berlin, Germany
| | - Claudia Röefzaad
- Experimental and Clinical Research Center (ECRC) of the MDC and Charité Berlin, Berlin, Germany
- Department of Pediatric Oncology and Hematology, Charité—Universitätsmedizin Berlin, Corporate Member of Freie Universität Berlin, Humboldt-Universität zu Berlin, Berlin, Germany
| | - Jennifer von Stebut
- Experimental and Clinical Research Center (ECRC) of the MDC and Charité Berlin, Berlin, Germany
- Department of Pediatric Oncology and Hematology, Charité—Universitätsmedizin Berlin, Corporate Member of Freie Universität Berlin, Humboldt-Universität zu Berlin, Berlin, Germany
| | - Victor Bardinet
- Experimental and Clinical Research Center (ECRC) of the MDC and Charité Berlin, Berlin, Germany
| | - Rocío Chamorro Gonzalez
- Experimental and Clinical Research Center (ECRC) of the MDC and Charité Berlin, Berlin, Germany
- Department of Pediatric Oncology and Hematology, Charité—Universitätsmedizin Berlin, Corporate Member of Freie Universität Berlin, Humboldt-Universität zu Berlin, Berlin, Germany
| | - Angelika Eggert
- Department of Pediatric Oncology and Hematology, Charité—Universitätsmedizin Berlin, Corporate Member of Freie Universität Berlin, Humboldt-Universität zu Berlin, Berlin, Germany
| | - Johannes H. Schulte
- Department of Pediatric Oncology and Hematology, Charité—Universitätsmedizin Berlin, Corporate Member of Freie Universität Berlin, Humboldt-Universität zu Berlin, Berlin, Germany
- Department of Pediatric Oncology and Hematology, University Hospital Tübingen, Tübingen, Germany
| | - Patrick Hundsdörfer
- Department of Pediatric Oncology and Hematology, Charité—Universitätsmedizin Berlin, Corporate Member of Freie Universität Berlin, Humboldt-Universität zu Berlin, Berlin, Germany
- Helios Klinikum Berlin-Buch, Berlin, Germany
| | - Georg Seifert
- Department of Pediatric Oncology and Hematology, Charité—Universitätsmedizin Berlin, Corporate Member of Freie Universität Berlin, Humboldt-Universität zu Berlin, Berlin, Germany
| | - Kerstin Haase
- Experimental and Clinical Research Center (ECRC) of the MDC and Charité Berlin, Berlin, Germany
| | | | | | - Anja A. Kühl
- iPATH.Berlin—Core Unit Immunopathology for Experimental Models, Charité Berlin, Corporate Member of Freie Universität Berlin, Humboldt-Universität zu Berlin, Berlin, Germany
| | - Michael V. Ortiz
- Department of Pediatrics, Memorial Sloan Kettering Cancer Center, New York City, New York
| | | | - Monika Scheer
- Department of Pediatric Oncology and Hematology, Charité—Universitätsmedizin Berlin, Corporate Member of Freie Universität Berlin, Humboldt-Universität zu Berlin, Berlin, Germany
| | - Anton G. Henssen
- Experimental and Clinical Research Center (ECRC) of the MDC and Charité Berlin, Berlin, Germany
- Department of Pediatric Oncology and Hematology, Charité—Universitätsmedizin Berlin, Corporate Member of Freie Universität Berlin, Humboldt-Universität zu Berlin, Berlin, Germany
- Max-Delbrück-Centrum für Molekulare Medizin (BIMSB/BIH), Berlin, Germany
- Berlin Institute of Health, Berlin, Germany
- German Cancer Consortium (DKTK), partner site Berlin, and German Cancer Research Center (DKFZ), Heidelberg, Germany
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3
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Yamada M, Keller RR, Gutierrez RL, Cameron D, Suzuki H, Sanghrajka R, Vaynshteyn J, Gerwin J, Maura F, Hooper W, Shah M, Robine N, Demarest P, Bayin NS, Zapater LJ, Reed C, Hébert S, Masilionis I, Chaligne R, Socci ND, Taylor MD, Kleinman CL, Joyner AL, Raju GP, Kentsis A. Childhood cancer mutagenesis caused by transposase-derived PGBD5. SCIENCE ADVANCES 2024; 10:eadn4649. [PMID: 38517960 PMCID: PMC10959420 DOI: 10.1126/sciadv.adn4649] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/11/2023] [Accepted: 02/16/2024] [Indexed: 03/24/2024]
Abstract
Genomic rearrangements are a hallmark of most childhood tumors, including medulloblastoma, one of the most common brain tumors in children, but their causes remain largely unknown. Here, we show that PiggyBac transposable element derived 5 (Pgbd5) promotes tumor development in multiple developmentally accurate mouse models of Sonic Hedgehog (SHH) medulloblastoma. Most Pgbd5-deficient mice do not develop tumors, while maintaining normal cerebellar development. Ectopic activation of SHH signaling is sufficient to enforce cerebellar granule cell progenitor-like cell states, which exhibit Pgbd5-dependent expression of distinct DNA repair and neurodevelopmental factors. Mouse medulloblastomas expressing Pgbd5 have increased numbers of somatic structural DNA rearrangements, some of which carry PGBD5-specific sequences at their breakpoints. Similar sequence breakpoints recurrently affect somatic DNA rearrangements of known tumor suppressors and oncogenes in medulloblastomas in 329 children. This identifies PGBD5 as a medulloblastoma mutator and provides a genetic mechanism for the generation of oncogenic DNA rearrangements in childhood cancer.
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Affiliation(s)
- Makiko Yamada
- Tow Center for Developmental Oncology, Department of Pediatrics, Memorial Sloan Kettering Cancer Center, New York, NY, USA
- Molecular Pharmacology Program, Sloan Kettering Institute, New York, NY, USA
| | - Ross R. Keller
- Tow Center for Developmental Oncology, Department of Pediatrics, Memorial Sloan Kettering Cancer Center, New York, NY, USA
- Molecular Pharmacology Program, Sloan Kettering Institute, New York, NY, USA
| | | | - Daniel Cameron
- Tow Center for Developmental Oncology, Department of Pediatrics, Memorial Sloan Kettering Cancer Center, New York, NY, USA
- Molecular Pharmacology Program, Sloan Kettering Institute, New York, NY, USA
| | - Hiromichi Suzuki
- Division of Brain Tumor Translational Research, National Cancer Center Research Institute, Tokyo, Japan
| | - Reeti Sanghrajka
- Developmental Biology Program, Sloan Kettering Institute, New York, NY, USA
| | - Jake Vaynshteyn
- Departments of Neurology and Pediatrics, Icahn School of Medicine at Mount Sinai, New York, NY, USA
| | - Jeffrey Gerwin
- Departments of Neurology and Pediatrics, Icahn School of Medicine at Mount Sinai, New York, NY, USA
| | - Francesco Maura
- Sylvester Comprehensive Cancer Center, University of Miami, Miami, FL, USA
| | - William Hooper
- Computational Biology, New York Genome Center, New York, NY, USA
| | - Minita Shah
- Computational Biology, New York Genome Center, New York, NY, USA
| | - Nicolas Robine
- Computational Biology, New York Genome Center, New York, NY, USA
| | - Phillip Demarest
- Tow Center for Developmental Oncology, Department of Pediatrics, Memorial Sloan Kettering Cancer Center, New York, NY, USA
- Molecular Pharmacology Program, Sloan Kettering Institute, New York, NY, USA
| | - N. Sumru Bayin
- Developmental Biology Program, Sloan Kettering Institute, New York, NY, USA
- Wellcome Trust/Cancer Research UK Gurdon Institute, Cambridge University, Cambridge, UK
| | - Luz Jubierre Zapater
- Tow Center for Developmental Oncology, Department of Pediatrics, Memorial Sloan Kettering Cancer Center, New York, NY, USA
- Molecular Pharmacology Program, Sloan Kettering Institute, New York, NY, USA
| | - Casie Reed
- Tow Center for Developmental Oncology, Department of Pediatrics, Memorial Sloan Kettering Cancer Center, New York, NY, USA
- Molecular Pharmacology Program, Sloan Kettering Institute, New York, NY, USA
| | - Steven Hébert
- Lady Davis Institute for Medical Research, Jewish General Hospital, Montreal, Quebec, Canada
| | - Ignas Masilionis
- Single-Cell Analytics Innovation Lab, Memorial Sloan Kettering Cancer Center, New York, NY, USA
| | - Ronan Chaligne
- Single-Cell Analytics Innovation Lab, Memorial Sloan Kettering Cancer Center, New York, NY, USA
| | - Nicholas D. Socci
- Bioinformatics Core, Memorial Sloan Kettering Cancer Center, New York, NY, USA
| | - Michael D. Taylor
- Department of Pediatrics—Hematology/Oncology and Neurosurgery, Baylor College of Medicine, Houston, TX, USA
- Hematology-Oncology Section, Texas Children’s Cancer Center, Houston, TX, USA
- The Arthur and Sonia Labatt Brain Tumour Research Centre and the Developmental and Stem Cell Biology Program, The Hospital for Sick Children, Toronto, ON, Canada
| | - Claudia L. Kleinman
- Department of Human Genetics, McGill University, Montreal, Quebec, Canada
- Lady Davis Institute for Medical Research, Jewish General Hospital, Montreal, Quebec, Canada
| | - Alexandra L. Joyner
- Developmental Biology Program, Sloan Kettering Institute, New York, NY, USA
- Biochemistry, Cell and Molecular Biology Program and Neuroscience Program, Weill Cornell Graduate School of Medical Sciences, New York, NY, USA
| | - G. Praveen Raju
- Departments of Neurology and Pediatrics, Icahn School of Medicine at Mount Sinai, New York, NY, USA
| | - Alex Kentsis
- Tow Center for Developmental Oncology, Department of Pediatrics, Memorial Sloan Kettering Cancer Center, New York, NY, USA
- Molecular Pharmacology Program, Sloan Kettering Institute, New York, NY, USA
- Departments of Pediatrics, Pharmacology, and Physiology & Biophysics, Weill Medical College of Cornell University, New York, NY, USA
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4
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Bei Y, Bramé L, Kirchner M, Fritsche-Guenther R, Kunz S, Bhattacharya A, Rusu MC, Gürgen D, Dubios FPB, Köppke JKC, Proba J, Wittstruck N, Sidorova OA, Chamorro González R, Dorado Garcia H, Brückner L, Xu R, Giurgiu M, Rodriguez-Fos E, Yu Q, Spanjaard B, Koche RP, Schmitt CA, Schulte JH, Eggert A, Haase K, Kirwan J, Hagemann AIH, Mertins P, Dörr JR, Henssen AG. Passenger Gene Coamplifications Create Collateral Therapeutic Vulnerabilities in Cancer. Cancer Discov 2024; 14:492-507. [PMID: 38197697 PMCID: PMC10911929 DOI: 10.1158/2159-8290.cd-23-1189] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/10/2023] [Revised: 11/30/2023] [Accepted: 12/19/2023] [Indexed: 01/11/2024]
Abstract
DNA amplifications in cancer do not only harbor oncogenes. We sought to determine whether passenger coamplifications could create collateral therapeutic vulnerabilities. Through an analysis of >3,000 cancer genomes followed by the interrogation of CRISPR-Cas9 loss-of-function screens across >700 cancer cell lines, we determined that passenger coamplifications are accompanied by distinct dependency profiles. In a proof-of-principle study, we demonstrate that the coamplification of the bona fide passenger gene DEAD-Box Helicase 1 (DDX1) creates an increased dependency on the mTOR pathway. Interaction proteomics identified tricarboxylic acid (TCA) cycle components as previously unrecognized DDX1 interaction partners. Live-cell metabolomics highlighted that this interaction could impair TCA activity, which in turn resulted in enhanced mTORC1 activity. Consequently, genetic and pharmacologic disruption of mTORC1 resulted in pronounced cell death in vitro and in vivo. Thus, structurally linked coamplification of a passenger gene and an oncogene can result in collateral vulnerabilities. SIGNIFICANCE We demonstrate that coamplification of passenger genes, which were largely neglected in cancer biology in the past, can create distinct cancer dependencies. Because passenger coamplifications are frequent in cancer, this principle has the potential to expand target discovery in oncology. This article is featured in Selected Articles from This Issue, p. 384.
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Affiliation(s)
- Yi Bei
- Department of Pediatric Oncology/Hematology, Charité-Universitätsmedizin Berlin, Berlin, Germany
| | - Luca Bramé
- Department of Pediatric Oncology/Hematology, Charité-Universitätsmedizin Berlin, Berlin, Germany
- German Cancer Consortium (DKTK), Partner Site Berlin, and German Cancer Research Center (DKFZ), Heidelberg, Germany
| | - Marieluise Kirchner
- Core Unit Proteomics, Berlin Institute of Health at Charité-Universitätsmedizin Berlin and Max Delbrück Center for Molecular Medicine, Berlin, Germany
| | - Raphaela Fritsche-Guenther
- Core Unit Metabolomics, Berlin Institute of Health at Charité-Universitätsmedizin Berlin, Berlin, Germany
| | - Severine Kunz
- Max-Delbrück-Center for Molecular Medicine in the Helmholtz Association (MDC), Technology Platform Electron Microscopy, Berlin, Germany
| | - Animesh Bhattacharya
- Department of Hematology, Oncology and Tumor Immunology, Charité-Universitätsmedizin Berlin, Berlin, Germany
| | - Mara-Camelia Rusu
- Max-Delbrück-Center for Molecular Medicine in the Helmholtz Association (MDC), Technology Platform Electron Microscopy, Berlin, Germany
| | - Dennis Gürgen
- Experimental Pharmacology and Oncology (EPO), Berlin, Germany
| | - Frank P B Dubios
- Institute of pathology, Charité-Universitätsmedizin Berlin, Corporate Member of Freie Universität Berlin, Humboldt-Universität zu Berlin, Berlin, Germany
| | - Julia K C Köppke
- Department of Pediatric Oncology/Hematology, Charité-Universitätsmedizin Berlin, Berlin, Germany
| | - Jutta Proba
- Department of Pediatric Oncology/Hematology, Charité-Universitätsmedizin Berlin, Berlin, Germany
| | - Nadine Wittstruck
- Department of Pediatric Oncology/Hematology, Charité-Universitätsmedizin Berlin, Berlin, Germany
| | - Olga Alexandra Sidorova
- Department of Pediatric Oncology/Hematology, Charité-Universitätsmedizin Berlin, Berlin, Germany
| | - Rocío Chamorro González
- Department of Pediatric Oncology/Hematology, Charité-Universitätsmedizin Berlin, Berlin, Germany
| | - Heathcliff Dorado Garcia
- Department of Pediatric Oncology/Hematology, Charité-Universitätsmedizin Berlin, Berlin, Germany
| | - Lotte Brückner
- Department of Pediatric Oncology/Hematology, Charité-Universitätsmedizin Berlin, Berlin, Germany
- Max-Delbrück-Center for Molecular Medicine in the Helmholtz Association (MDC), Technology Platform Electron Microscopy, Berlin, Germany
| | - Robin Xu
- Department of Pediatric Oncology/Hematology, Charité-Universitätsmedizin Berlin, Berlin, Germany
| | - Mădălina Giurgiu
- Department of Pediatric Oncology/Hematology, Charité-Universitätsmedizin Berlin, Berlin, Germany
| | - Elias Rodriguez-Fos
- Department of Pediatric Oncology/Hematology, Charité-Universitätsmedizin Berlin, Berlin, Germany
| | - Qinghao Yu
- Department of Pediatric Oncology/Hematology, Charité-Universitätsmedizin Berlin, Berlin, Germany
| | - Bastiaan Spanjaard
- Department of Pediatric Oncology/Hematology, Charité-Universitätsmedizin Berlin, Berlin, Germany
| | - Richard P Koche
- Center for Epigenetics Research, Memorial Sloan Kettering Cancer Center, New York, New York
| | - Clemens A Schmitt
- Department of Hematology, Oncology and Tumor Immunology, Charité-Universitätsmedizin Berlin, Berlin, Germany
| | - Johannes H Schulte
- Department of Pediatric Oncology/Hematology, Charité-Universitätsmedizin Berlin, Berlin, Germany
| | - Angelika Eggert
- Department of Pediatric Oncology/Hematology, Charité-Universitätsmedizin Berlin, Berlin, Germany
- German Cancer Consortium (DKTK), Partner Site Berlin, and German Cancer Research Center (DKFZ), Heidelberg, Germany
| | - Kerstin Haase
- Department of Pediatric Oncology/Hematology, Charité-Universitätsmedizin Berlin, Berlin, Germany
- German Cancer Consortium (DKTK), Partner Site Berlin, and German Cancer Research Center (DKFZ), Heidelberg, Germany
| | - Jennifer Kirwan
- Core Unit Metabolomics, Berlin Institute of Health at Charité-Universitätsmedizin Berlin, Berlin, Germany
| | - Anja I H Hagemann
- Department of Pediatric Oncology/Hematology, Charité-Universitätsmedizin Berlin, Berlin, Germany
- German Cancer Consortium (DKTK), Partner Site Berlin, and German Cancer Research Center (DKFZ), Heidelberg, Germany
| | - Philipp Mertins
- Core Unit Proteomics, Berlin Institute of Health at Charité-Universitätsmedizin Berlin and Max Delbrück Center for Molecular Medicine, Berlin, Germany
| | - Jan R Dörr
- Department of Pediatric Oncology/Hematology, Charité-Universitätsmedizin Berlin, Berlin, Germany
- German Cancer Consortium (DKTK), Partner Site Berlin, and German Cancer Research Center (DKFZ), Heidelberg, Germany
- Berlin Institute of Health, Berlin, Germany
- Experimental and Clinical Research Center (ECRC) of the MDC and Charité Berlin, Berlin, Germany
| | - Anton G Henssen
- Department of Pediatric Oncology/Hematology, Charité-Universitätsmedizin Berlin, Berlin, Germany
- German Cancer Consortium (DKTK), Partner Site Berlin, and German Cancer Research Center (DKFZ), Heidelberg, Germany
- Max-Delbrück-Center for Molecular Medicine in the Helmholtz Association (MDC), Technology Platform Electron Microscopy, Berlin, Germany
- Experimental and Clinical Research Center (ECRC) of the MDC and Charité Berlin, Berlin, Germany
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5
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Kazansky Y, Cameron D, Mueller HS, Demarest P, Zaffaroni N, Arrighetti N, Zuco V, Kuwahara Y, Somwar R, Ladanyi M, Qu R, De Stanchina E, Dela Cruz FS, Kung AL, Gounder M, Kentsis A. Overcoming clinical resistance to EZH2 inhibition using rational epigenetic combination therapy. BIORXIV : THE PREPRINT SERVER FOR BIOLOGY 2023:2023.02.06.527192. [PMID: 36798379 PMCID: PMC9934575 DOI: 10.1101/2023.02.06.527192] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 02/09/2023]
Abstract
Essential epigenetic dependencies have become evident in many cancers. Based on the functional antagonism between BAF/SWI/SNF and PRC2 in SMARCB1-deficient sarcomas, we and colleagues recently completed the clinical trial of the EZH2 inhibitor tazemetostat. However, the principles of tumor response to epigenetic therapy in general, and tazemetostat in particular, remain unknown. Using functional genomics of patient tumors and diverse experimental models, we sought to define molecular mechanisms of tazemetostat resistance in SMARCB1-deficient sarcomas and rhabdoid tumors. We found distinct classes of acquired mutations that converge on the RB1/E2F axis and decouple EZH2-dependent differentiation and cell cycle control. This allows tumor cells to escape tazemetostat-induced G1 arrest despite EZH2 inhibition, and suggests a general mechanism for effective EZH2 therapy. This also enables us to develop combination strategies to circumvent tazemetostat resistance using cell cycle bypass targeting via AURKB, and synthetic lethal targeting of PGBD5-dependent DNA damage repair via ATR. This reveals prospective biomarkers for therapy stratification, including PRICKLE1 associated with tazemetostat resistance. In all, this work offers a paradigm for rational epigenetic combination therapy suitable for immediate translation to clinical trials for epithelioid sarcomas, rhabdoid tumors, and other epigenetically dysregulated cancers.
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6
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Pearson ADJ, Federico S, Gatz SA, Ortiz M, Lesa G, Scobie N, Gounaris I, Weiner SL, Weigel B, Unger TJ, Stewart E, Smith M, Slotkin EK, Reaman G, Pappo A, Nysom K, Norga K, McDonough J, Marshall LV, Ludwinski D, Ligas F, Karres D, Kool M, Horner TJ, Henssen A, Heenen D, Hawkins DS, Gore L, Bender JG, Galluzzo S, Fox E, de Rojas T, Davies BR, Chakrabarti J, Carmichael J, Bradford D, Blanc P, Bernardi R, Benchetrit S, Akindele K, Vassal G. Paediatric Strategy Forum for medicinal product development of DNA damage response pathway inhibitors in children and adolescents with cancer: ACCELERATE in collaboration with the European Medicines Agency with participation of the Food and Drug Administration. Eur J Cancer 2023; 190:112950. [PMID: 37441939 DOI: 10.1016/j.ejca.2023.112950] [Citation(s) in RCA: 3] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/06/2023] [Revised: 05/09/2023] [Accepted: 06/13/2023] [Indexed: 07/15/2023]
Abstract
DNA damage response inhibitors have a potentially important therapeutic role in paediatric cancers; however, their optimal use, including patient selection and combination strategy, remains unknown. Moreover, there is an imbalance between the number of drugs with diverse mechanisms of action and the limited number of paediatric patients available to be enrolled in early-phase trials, so prioritisation and a strategy are essential. While PARP inhibitors targeting homologous recombination-deficient tumours have been used primarily in the treatment of adult cancers with BRCA1/2 mutations, BRCA1/2 mutations occur infrequently in childhood tumours, and therefore, a specific response hypothesis is required. Combinations with targeted radiotherapy, ATR inhibitors, or antibody drug conjugates with DNA topoisomerase I inhibitor-related warheads warrant evaluation. Additional monotherapy trials of PARP inhibitors with the same mechanism of action are not recommended. PARP1-specific inhibitors and PARP inhibitors with very good central nervous system penetration also deserve evaluation. ATR, ATM, DNA-PK, CHK1, WEE1, DNA polymerase theta and PKMYT1 inhibitors are early in paediatric development. There should be an overall coordinated strategy for their development. Therefore, an academia/industry consensus of the relevant biomarkers will be established and a focused meeting on ATR inhibitors (as proof of principle) held. CHK1 inhibitors have demonstrated activity in desmoplastic small round cell tumours and have a potential role in the treatment of other paediatric malignancies, such as neuroblastoma and Ewing sarcoma. Access to CHK1 inhibitors for paediatric clinical trials is a high priority. The three key elements in evaluating these inhibitors in children are (1) innovative trial design (design driven by a clear hypothesis with the intent to further investigate responders and non-responders with detailed retrospective molecular analyses to generate a revised or new hypothesis); (2) biomarker selection and (3) rational combination therapy, which is limited by overlapping toxicity. To maximally benefit children with cancer, investigators should work collaboratively to learn the lessons from the past and apply them to future studies. Plans should be based on the relevant biology, with a focus on simultaneous and parallel research in preclinical and clinical settings, and an overall integrated and collaborative strategy.
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Affiliation(s)
- Andrew D J Pearson
- ACCELERATE, c/o BLSI, Clos Chapelle-aux-Champs 30, Bte 1.30.30 BE-1200 Brussels, Belgium.
| | - Sara Federico
- St Jude Children's Research Hospital, Memphis, TN, USA
| | - Susanne A Gatz
- Institute of Cancer and Genomic Sciences, University of Birmingham, Birmingham, UK
| | - Michael Ortiz
- Memorial Sloan Kettering Cancer Center, New York, NY, USA
| | - Giovanni Lesa
- Paediatric Medicines Office, Scientific Evidence Generation Department, Human Division, European Medicines Agency (EMA), Amsterdam, the Netherlands
| | | | - Ioannis Gounaris
- Merck Serono Ltd (an affiliate of Merck KGaA, Darmstadt, Germany), Feltham, UK
| | | | | | - T J Unger
- Repare Therapeutics, Cambridge, MA, USA
| | | | | | | | - Gregory Reaman
- US Food and Drug Administration, Silver Springs, MD, USA
| | - Alberto Pappo
- St Jude Children's Research Hospital, Memphis, TN, USA
| | | | - Koen Norga
- Antwerp University Hospital, Antwerp, Belgium; Paediatric Committee of the European Medicines Agency (EMA), Amsterdam, the Netherlands; Federal Agency for Medicines and Health Products, Brussels, Belgium
| | - Joe McDonough
- The Andrew McDonough B+ Foundation, Wilmington, DE, USA
| | - Lynley V Marshall
- The Royal Marsden NHS Foundation Hospital, The Institute of Cancer Research, Sutton, Surrey, UK
| | | | - Franca Ligas
- Paediatric Medicines Office, Scientific Evidence Generation Department, Human Division, European Medicines Agency (EMA), Amsterdam, the Netherlands
| | - Dominik Karres
- Paediatric Medicines Office, Scientific Evidence Generation Department, Human Division, European Medicines Agency (EMA), Amsterdam, the Netherlands
| | - Marcel Kool
- Hopp Children's Cancer Center, Heidelberg, Germany
| | | | | | | | - Douglas S Hawkins
- Seattle Children's Hospital, Seattle, WA, USA; Children's Oncology Group, Seattle, WA, USA
| | - Lia Gore
- Children's Hospital Colorado, Aurora, CO, USA; University of Colorado School of Medicine, Aurora, CO, USA
| | | | | | - Elizabeth Fox
- St Jude Children's Research Hospital, Memphis, TN, USA
| | - Teresa de Rojas
- ACCELERATE, c/o BLSI, Clos Chapelle-aux-Champs 30, Bte 1.30.30 BE-1200 Brussels, Belgium
| | | | | | - Juliet Carmichael
- The Royal Marsden NHS Foundation Hospital, The Institute of Cancer Research, Sutton, Surrey, UK
| | - Diana Bradford
- US Food and Drug Administration, Silver Springs, MD, USA
| | | | - Ronald Bernardi
- Genentech, a Member of the Roche Group, South San Francisco, CA, USA
| | - Sylvie Benchetrit
- National Agency for the Safety of Medicine and Health Products, Paris, France
| | | | - Gilles Vassal
- ACCELERATE, c/o BLSI, Clos Chapelle-aux-Champs 30, Bte 1.30.30 BE-1200 Brussels, Belgium; Gustave Roussy Cancer Centre, Paris, France
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7
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Zapater LJ, Rodriguez-Fos E, Planas-Felix M, Lewis S, Cameron D, Demarest P, Nabila A, Zhao J, Bergin P, Reed C, Yamada M, Pagnozzi A, Nava C, Bourel-Ponchel E, Neilson DE, Dursun A, Özgül RK, Akar HT, Socci ND, Hayes M, Rabadan R, Torrents D, Kruer MC, Toth M, Kentsis A. A transposase-derived gene required for human brain development. BIORXIV : THE PREPRINT SERVER FOR BIOLOGY 2023:2023.04.28.538770. [PMID: 37163102 PMCID: PMC10168387 DOI: 10.1101/2023.04.28.538770] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/11/2023]
Abstract
DNA transposable elements and transposase-derived genes are present in most living organisms, including vertebrates, but their function is largely unknown. PiggyBac Transposable Element Derived 5 (PGBD5) is an evolutionarily conserved vertebrate DNA transposase-derived gene with retained nuclease activity in cells. Vertebrate brain development is known to be associated with prominent neuronal cell death and DNA breaks, but their causes and functions are not well understood. Here, we show that PGBD5 contributes to normal brain development in mice and humans, where its deficiency causes disorder of intellectual disability, movement and seizures. In mice, Pgbd5 is required for the developmental induction of post-mitotic DNA breaks and recurrent somatic genome rearrangements in neurons. Together, these studies nominate PGBD5 as the long-hypothesized neuronal DNA nuclease required for brain function in mammals.
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Affiliation(s)
- Luz Jubierre Zapater
- Molecular Pharmacology Program, Sloan Kettering Institute, Memorial Sloan Kettering Cancer Center, New York, NY, 10021
- Tow Center for Developmental Oncology, Department of Pediatrics, Memorial Sloan Kettering Cancer Center; New York, United States, 10021
| | | | | | - Sara Lewis
- Pediatric Movement Disorders Program, Barrow Neurological Institute, Phoenix Children’s Hospital and Departments of Child Health, Neurology, Genetics and Cellular & Molecular Medicine, Phoenix, AZ
| | - Daniel Cameron
- Molecular Pharmacology Program, Sloan Kettering Institute, Memorial Sloan Kettering Cancer Center, New York, NY, 10021
- Tow Center for Developmental Oncology, Department of Pediatrics, Memorial Sloan Kettering Cancer Center; New York, United States, 10021
| | - Phillip Demarest
- Molecular Pharmacology Program, Sloan Kettering Institute, Memorial Sloan Kettering Cancer Center, New York, NY, 10021
| | - Anika Nabila
- Department of Pharmacology, Weill Cornell Medical College, New York, NY, 10021
| | - Junfei Zhao
- Program for Mathematical Genomics, Departments of Systems Biology and Biomedical Informatics, Columbia University, New York, NY
| | - Paul Bergin
- Department of Pharmacology, Weill Cornell Medical College, New York, NY, 10021
| | - Casie Reed
- Molecular Pharmacology Program, Sloan Kettering Institute, Memorial Sloan Kettering Cancer Center, New York, NY, 10021
| | - Makiko Yamada
- Molecular Pharmacology Program, Sloan Kettering Institute, Memorial Sloan Kettering Cancer Center, New York, NY, 10021
- Tow Center for Developmental Oncology, Department of Pediatrics, Memorial Sloan Kettering Cancer Center; New York, United States, 10021
| | - Alex Pagnozzi
- CSIRO Health and Biosecurity, The Australian e-Health Research Centre, Brisbane, Australia
| | - Caroline Nava
- Assistance Publique-Hôpitaux de Paris, Département de Génétique, Hôpital Pitié-Salpêtrière, Paris, France
| | - Emilie Bourel-Ponchel
- Research Group on Multimodal Analysis of Brain Function, University of Picardie Jules Verne, France
- Pediatric Neurophysiology Unit, Amiens Picardie University Hospital, France
| | | | - Ali Dursun
- Hacettepe University, Faculty of Medicine & Institute of Child Health, Department of Pediatric Metabolism, Ankara, Turkey
| | - R. Köksal Özgül
- Hacettepe University, Faculty of Medicine & Institute of Child Health, Department of Pediatric Metabolism, Ankara, Turkey
| | - Halil Tuna Akar
- Hacettepe University, Faculty of Medicine & Institute of Child Health, Department of Pediatric Metabolism, Ankara, Turkey
| | - Nicholas D. Socci
- Molecular Pharmacology Program, Sloan Kettering Institute, Memorial Sloan Kettering Cancer Center, New York, NY, 10021
| | - Matthew Hayes
- Department of Physics and Computer Science, Xavier University of Louisiana, New Orleans, LA
| | - Raul Rabadan
- Program for Mathematical Genomics, Departments of Systems Biology and Biomedical Informatics, Columbia University, New York, NY
| | - David Torrents
- Barcelona Supercomputing Center (BSC), Barcelona, Spain, 08034
- Institució Catalana de Recerca i Estudis Avançats (ICREA), Barcelona, Spain
| | | | - Miklos Toth
- Department of Pharmacology, Weill Cornell Medical College, New York, NY, 10021
| | - Alex Kentsis
- Molecular Pharmacology Program, Sloan Kettering Institute, Memorial Sloan Kettering Cancer Center, New York, NY, 10021
- Tow Center for Developmental Oncology, Department of Pediatrics, Memorial Sloan Kettering Cancer Center; New York, United States, 10021
- Department of Pharmacology, Weill Cornell Medical College, New York, NY, 10021
- Departments of Pediatrics, Pharmacology, and Physiology & Biophysics, Weill Cornell Graduate School of Medical Sciences, Cornell University; New York, United States
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8
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Wang S, Gao B, Miskey C, Guan Z, Sang Y, Chen C, Wang X, Ivics Z, Song C. Passer, a highly active transposon from a fish genome, as a potential new robust genetic manipulation tool. Nucleic Acids Res 2023; 51:1843-1858. [PMID: 36688327 PMCID: PMC9976928 DOI: 10.1093/nar/gkad005] [Citation(s) in RCA: 5] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/04/2022] [Revised: 12/26/2022] [Accepted: 01/03/2023] [Indexed: 01/24/2023] Open
Abstract
The discovery of new, active DNA transposons can expand the range of genetic tools and provide more options for genomic manipulation. In this study, a bioinformatics analysis suggested that Passer (PS) transposons, which are members of the pogo superfamily, show signs of recent and current activity in animals and may be active in some species. Cell-based transposition assays revealed that the native PS transposases from Gasterosteus aculeatus and Danio rerio displayed very high activity in human cells relative to the Sleeping Beauty transposon. A typical overproduction inhibition phenomenon was observed for PS, and transposition capacity was decreased by ∼12% with each kilobase increase in the insertion size. Furthermore, PS exhibited a pronounced integration preference for genes and their transcriptional regulatory regions. We further show that two domesticated human proteins derived from PS transposases have lost their transposition activity. Overall, PS may represent an alternative with a potentially efficient genetic manipulation tool for transgenesis and mutagenesis applications.
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Affiliation(s)
- Saisai Wang
- College of Animal Science & Technology, Yangzhou University, Yangzhou, Jiangsu, 225009, China
| | - Bo Gao
- College of Animal Science & Technology, Yangzhou University, Yangzhou, Jiangsu, 225009, China
| | - Csaba Miskey
- Division of Medical Biotechnology, Paul Ehrlich Institute, D-63225 Langen, Germany
| | - Zhongxia Guan
- College of Animal Science & Technology, Yangzhou University, Yangzhou, Jiangsu, 225009, China
| | - Yatong Sang
- College of Animal Science & Technology, Yangzhou University, Yangzhou, Jiangsu, 225009, China
| | - Cai Chen
- College of Animal Science & Technology, Yangzhou University, Yangzhou, Jiangsu, 225009, China
| | - Xiaoyan Wang
- College of Animal Science & Technology, Yangzhou University, Yangzhou, Jiangsu, 225009, China
| | - Zoltán Ivics
- Division of Medical Biotechnology, Paul Ehrlich Institute, D-63225 Langen, Germany
| | - Chengyi Song
- College of Animal Science & Technology, Yangzhou University, Yangzhou, Jiangsu, 225009, China
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9
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Synthesis of Sulfoximines and Sulfonimidamides Using Hypervalent Iodine Mediated NH Transfer. Molecules 2023; 28:molecules28031120. [PMID: 36770787 PMCID: PMC9920176 DOI: 10.3390/molecules28031120] [Citation(s) in RCA: 7] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/19/2022] [Revised: 01/03/2023] [Accepted: 01/12/2023] [Indexed: 01/24/2023] Open
Abstract
The development of NH transfer reactions using hypervalent iodine and simple sources of ammonia has facilitated the synthesis of sulfoximines and sulfonimidamides for applications across the chemical sciences. Perhaps most notably, the methods have been widely applied in medicinal chemistry and in the preparation of biologically active compounds, including in the large-scale preparation of an API intermediate. This review provides an overview of the development of these synthetic methods involving an intermediate iodonitrene since our initial report in 2016 on the conversion of sulfoxides into sulfoximines. This review covers the NH transfer to sulfoxides and sulfinamides, and the simultaneous NH/O transfer to sulfides and sulfenamides to form sulfoximines and sulfonimidamides, respectively. The mechanism of the reactions and the identification of key intermediates are discussed. Developments in the choice of reagents, and in the reaction conditions and setups used are described.
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10
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Aaltonen K, Radke K, Adamska A, Seger A, Mañas A, Bexell D. Patient-derived models: Advanced tools for precision medicine in neuroblastoma. Front Oncol 2023; 12:1085270. [PMID: 36776363 PMCID: PMC9910084 DOI: 10.3389/fonc.2022.1085270] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/31/2022] [Accepted: 12/21/2022] [Indexed: 01/27/2023] Open
Abstract
Neuroblastoma is a childhood cancer derived from the sympathetic nervous system. High-risk neuroblastoma patients have a poor overall survival and account for ~15% of childhood cancer deaths. There is thus a need for clinically relevant and authentic models of neuroblastoma that closely resemble the human disease to further interrogate underlying mechanisms and to develop novel therapeutic strategies. Here we review recent developments in patient-derived neuroblastoma xenograft models and in vitro cultures. These models can be used to decipher mechanisms of metastasis and treatment resistance, for drug screening, and preclinical drug testing. Patient-derived neuroblastoma models may also provide useful information about clonal evolution, phenotypic plasticity, and cell states in relation to neuroblastoma progression. We summarize current opportunities for, but also barriers to, future model development and application. Integration of patient-derived models with patient data holds promise for the development of precision medicine treatment strategies for children with high-risk neuroblastoma.
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11
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Zhong Z, Chesti J, Armstrong A, Bull JA. Synthesis of Sulfoximine Propargyl Carbamates under Improved Conditions for Rhodium Catalyzed Carbamate Transfer to Sulfoxides. J Org Chem 2022; 87:16115-16126. [PMID: 36379008 PMCID: PMC9724092 DOI: 10.1021/acs.joc.2c02083] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/16/2022]
Abstract
Sulfoximines provide aza-analogues of sulfones, with potentially improved properties for medicinal chemistry. The sulfoximine nitrogen also provides an additional vector for the inclusion of other functionality. Here, we report improved conditions for rhodium catalyzed synthesis of sulfoximine (and sulfilimine) carbamates, especially for previously low-yielding carbamates containing π-functionality. Notably we report the preparation of propargyl sulfoximine carbamates to provide an alkyne as a potential click handle. Using Rh2(esp)2 as catalyst and a DOE optimization approach provided considerably increased yields.
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12
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Xie W, Zeng Y, Hu L, Hao J, Chen Y, Yun X, Lin Q, Li H. Based on different immune responses under the glucose metabolizing type of papillary thyroid cancer and the response to anti-PD-1 therapy. Front Immunol 2022; 13:991656. [PMID: 36211409 PMCID: PMC9536150 DOI: 10.3389/fimmu.2022.991656] [Citation(s) in RCA: 5] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/11/2022] [Accepted: 08/19/2022] [Indexed: 12/28/2022] Open
Abstract
Glucose metabolism-related genes play an important role in the development and immunotherapy of many tumours, but their role in thyroid cancer is ambiguous. To investigate the role of glucose metabolism-related genes in the development of papillary thyroid cancer (PTC) and their correlation with the clinical outcome of PTC, we collected transcriptomic data from 501 PTC patients in the Cancer Genome Atlas (TCGA). We performed nonnegative matrix decomposition clustering of 2752 glucose metabolism-related genes from transcriptome data and classified PTC patients into three subgroups (C1 for high activation of glucose metabolism, C2 for low activation of glucose metabolism and C3 for moderate activation of glucose metabolism) based on the activation of different glucose metabolism-related genes in 10 glucose metabolism-related pathways. We found a positive correlation between the activation level of glucose metabolism and the tumour mutation burden (TMB), neoantigen number, mRNA stemness index (mRNAsi), age, and tumour stage in PTC patients. Next, we constructed a prognostic prediction model for PTC using six glucose metabolism-related genes (PGBD5, TPO, IGFBPL1, TMEM171, SOD3, TDRD9) and constructed a nomogram based on the risk score and clinical parameters of PTC patients. Both the prognostic risk prediction model and nomogram had high stability and accuracy for predicting the progression-free interval (PFI) in PTC patients. Patients were then divided into high-risk and low-risk groups by risk score. The high-risk group was sensitive to paclitaxel and anti-PD-1 treatment, and the low-risk group was sensitive to sorafenib treatment. We found that the high-risk group was enriched in inflammatory response pathways and associated with high level of immune cell infiltration. To verify the accuracy of the prognostic prediction model, we knocked down PGBD5 in PTC cells and found that the proliferation ability of PTC cells was significantly reduced. This suggests that PGBD5 may be a relatively important oncogene in PTC. Our study constructed a prognostic prediction model and classification of PTC by glucose metabolism-related genes, which provides a new perspective on the role of glucose metabolism in the development and immune microenvironment of PTC and in guiding chemotherapy, targeted therapy and immune checkpoint blockade therapy of PTC.
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Affiliation(s)
- Wenjun Xie
- Department of General Surgery, Shengli Clinical Medical College, Fujian Provincial Hospital, Fuzhou, China
- Shengli Clinical Medical College, Fujian Medical University, Fuzhou, China
- Department of Thyroid and Neck Tumor, Tianjin Medical University Cancer Institute and Hospital, National Clinical Research Center for Cancer, Key Laboratory of Cancer Prevention and Therapy, Tianjin’s Clinical Research Center for Cancer, Tianjin, China
| | - Yu Zeng
- Department of Thyroid and Neck Tumor, Tianjin Medical University Cancer Institute and Hospital, National Clinical Research Center for Cancer, Key Laboratory of Cancer Prevention and Therapy, Tianjin’s Clinical Research Center for Cancer, Tianjin, China
| | - Linfei Hu
- Department of Thyroid and Neck Tumor, Tianjin Medical University Cancer Institute and Hospital, National Clinical Research Center for Cancer, Key Laboratory of Cancer Prevention and Therapy, Tianjin’s Clinical Research Center for Cancer, Tianjin, China
| | - Jiaru Hao
- Department of Gastrointestinal Cancer Biology, Tianjin Medical University Cancer Institute and Hospital, National Clinical Research Center for Cancer, Key Laboratory of Cancer Immunology and Biotherapy, Tianjin, China
| | - Yuzheng Chen
- Shengli Clinical Medical College, Fujian Medical University, Fuzhou, China
- Department of Endocrinology, Fujian Provincial Hospital, Shengli Clinical Medical College of Fujian Medical University, Fuzhou, China
| | - Xinwei Yun
- Department of Thyroid and Neck Tumor, Tianjin Medical University Cancer Institute and Hospital, National Clinical Research Center for Cancer, Key Laboratory of Cancer Prevention and Therapy, Tianjin’s Clinical Research Center for Cancer, Tianjin, China
- *Correspondence: Xinwei Yun, ; Qiang Lin, ; Huashui Li,
| | - Qiang Lin
- Department of General Surgery, Shengli Clinical Medical College, Fujian Provincial Hospital, Fuzhou, China
- Shengli Clinical Medical College, Fujian Medical University, Fuzhou, China
- *Correspondence: Xinwei Yun, ; Qiang Lin, ; Huashui Li,
| | - Huashui Li
- Department of General Surgery, Shengli Clinical Medical College, Fujian Provincial Hospital, Fuzhou, China
- Shengli Clinical Medical College, Fujian Medical University, Fuzhou, China
- *Correspondence: Xinwei Yun, ; Qiang Lin, ; Huashui Li,
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13
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Therapeutic targeting of ATR in alveolar rhabdomyosarcoma. Nat Commun 2022; 13:4297. [PMID: 35879366 PMCID: PMC9314382 DOI: 10.1038/s41467-022-32023-7] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/20/2020] [Accepted: 07/11/2022] [Indexed: 11/08/2022] Open
Abstract
Despite advances in multi-modal treatment approaches, clinical outcomes of patients suffering from PAX3-FOXO1 fusion oncogene-expressing alveolar rhabdomyosarcoma (ARMS) remain dismal. Here we show that PAX3-FOXO1-expressing ARMS cells are sensitive to pharmacological ataxia telangiectasia and Rad3 related protein (ATR) inhibition. Expression of PAX3-FOXO1 in muscle progenitor cells is not only sufficient to increase sensitivity to ATR inhibition, but PAX3-FOXO1-expressing rhabdomyosarcoma cells also exhibit increased sensitivity to structurally diverse inhibitors of ATR. Mechanistically, ATR inhibition leads to replication stress exacerbation, decreased BRCA1 phosphorylation and reduced homologous recombination-mediated DNA repair pathway activity. Consequently, ATR inhibitor treatment increases sensitivity of ARMS cells to PARP1 inhibition in vitro, and combined treatment with ATR and PARP1 inhibitors induces complete regression of primary patient-derived ARMS xenografts in vivo. Lastly, a genome-wide CRISPR activation screen (CRISPRa) in combination with transcriptional analyses of ATR inhibitor resistant ARMS cells identifies the RAS-MAPK pathway and its targets, the FOS gene family, as inducers of resistance to ATR inhibition. Our findings provide a rationale for upcoming biomarker-driven clinical trials of ATR inhibitors in patients suffering from ARMS.
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14
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Greed S, Symes O, Bull JA. Stereospecific reaction of sulfonimidoyl fluorides with Grignard reagents for the synthesis of enantioenriched sulfoximines. Chem Commun (Camb) 2022; 58:5387-5390. [PMID: 35416220 DOI: 10.1039/d2cc01219g] [Citation(s) in RCA: 21] [Impact Index Per Article: 10.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/25/2022]
Abstract
Sulfonimidoyl halides have previously shown poor stability and selectivity in reaction with organometallic reagents. Here we report the preparation of enantioenriched sulfonimidoyl fluorides and their stereospecific reaction at sulfur with Grignard reagents. Notably the first enantioenriched alkyl sulfonimidoyl fluorides are prepared, including methyl. The nature of the N-group is important to the success of the stereocontrolled sequence to sulfoximines.
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Affiliation(s)
- Stephanie Greed
- Department of Chemistry, Imperial College London, Molecular Sciences Research Hub, White City Campus, Wood Lane, London W12 0BZ, UK.
| | - Oliver Symes
- Department of Chemistry, Imperial College London, Molecular Sciences Research Hub, White City Campus, Wood Lane, London W12 0BZ, UK.
| | - James A Bull
- Department of Chemistry, Imperial College London, Molecular Sciences Research Hub, White City Campus, Wood Lane, London W12 0BZ, UK.
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15
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Fayzullina D, Tsibulnikov S, Stempen M, Schroeder BA, Kumar N, Kharwar RK, Acharya A, Timashev P, Ulasov I. Novel Targeted Therapeutic Strategies for Ewing Sarcoma. Cancers (Basel) 2022; 14:cancers14081988. [PMID: 35454895 PMCID: PMC9032664 DOI: 10.3390/cancers14081988] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/02/2022] [Revised: 04/03/2022] [Accepted: 04/11/2022] [Indexed: 02/06/2023] Open
Abstract
Simple Summary Ewing sarcoma is an uncommon cancer that arises in mesenchymal tissues and represents the second most widespread malignant bone neoplasm after osteosarcoma in children. Therapy has increased the 5-year survival rate in the last 40 years, although the recurrence rate has remained high. There is an immediate and unmet need for the development of novel Ewing sarcoma therapies. We offer new prospective targets for the therapy of Ewing sarcoma. The EWSR1/FLI1 fusion protein, which is identified in 85–90% of Ewing sarcoma tumors, and its direct targets are given special focus in this study. Experimantal therapy that targets multiple signaling pathways activated during ES progression, alone or in combination with existing regimens, may become the new standard of care for Ewing sarcoma patients, improving patient survival. Abstract Ewing sarcoma (ES) is an uncommon cancer that arises in mesenchymal tissues and represents the second most widespread malignant bone neoplasm after osteosarcoma in children. Amplifications in genomic, proteomic, and metabolism are characteristics of sarcoma, and targeting altered cancer cell molecular processes has been proposed as the latest promising strategy to fight cancer. Recent technological advancements have elucidated some of the underlying oncogenic characteristics of Ewing sarcoma. Offering new insights into the physiological basis for this phenomenon, our current review examines the dynamics of ES signaling as it related to both ES and the microenvironment by integrating genomic and proteomic analyses. An extensive survey of the literature was performed to compile the findings. We have also highlighted recent and ongoing studies integrating metabolomics and genomics aimed at better understanding the complex interactions as to how ES adapts to changing biochemical changes within the tumor microenvironment.
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Affiliation(s)
- Daria Fayzullina
- Group of Experimental Biotherapy and Diagnostic, Department of Advanced Materials, Institute for Regenerative Medicine, Sechenov First Moscow State Medical University, Moscow 119991, Russia
- World-Class Research Center “Digital Biodesign and Personalized Healthcare”, Sechenov First Moscow State Medical University, Moscow 119991, Russia; (D.F.); (S.T.); (M.S.); (P.T.)
| | - Sergey Tsibulnikov
- Group of Experimental Biotherapy and Diagnostic, Department of Advanced Materials, Institute for Regenerative Medicine, Sechenov First Moscow State Medical University, Moscow 119991, Russia
- World-Class Research Center “Digital Biodesign and Personalized Healthcare”, Sechenov First Moscow State Medical University, Moscow 119991, Russia; (D.F.); (S.T.); (M.S.); (P.T.)
| | - Mikhail Stempen
- Group of Experimental Biotherapy and Diagnostic, Department of Advanced Materials, Institute for Regenerative Medicine, Sechenov First Moscow State Medical University, Moscow 119991, Russia
- World-Class Research Center “Digital Biodesign and Personalized Healthcare”, Sechenov First Moscow State Medical University, Moscow 119991, Russia; (D.F.); (S.T.); (M.S.); (P.T.)
| | - Brett A. Schroeder
- National Cancer Institute, National Institutes of Health, Bethesda, MD 20814, USA;
| | - Naveen Kumar
- Tumor Immunology Lab, Department of Zoology, Institute of Science, Banaras Hindu University, Varanasi 221005, India; (N.K.); (A.A.)
| | - Rajesh Kumar Kharwar
- Endocrine Research Lab, Department of Zoology, Kutir Post Graduate College, Chakkey, Jaunpur 222146, India;
| | - Arbind Acharya
- Tumor Immunology Lab, Department of Zoology, Institute of Science, Banaras Hindu University, Varanasi 221005, India; (N.K.); (A.A.)
| | - Peter Timashev
- World-Class Research Center “Digital Biodesign and Personalized Healthcare”, Sechenov First Moscow State Medical University, Moscow 119991, Russia; (D.F.); (S.T.); (M.S.); (P.T.)
- Department of Advanced Materials, Institute for Regenerative Medicine, Sechenov First Moscow State Medical University, Moscow 119991, Russia
| | - Ilya Ulasov
- Group of Experimental Biotherapy and Diagnostic, Department of Advanced Materials, Institute for Regenerative Medicine, Sechenov First Moscow State Medical University, Moscow 119991, Russia
- World-Class Research Center “Digital Biodesign and Personalized Healthcare”, Sechenov First Moscow State Medical University, Moscow 119991, Russia; (D.F.); (S.T.); (M.S.); (P.T.)
- Correspondence:
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16
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Khalid U, Simovic M, Hammann LA, Iskar M, Kl Wong J, Kumar R, Jugold M, Sill M, Bolkestein M, Kolb T, Hergt M, Devens F, Ecker J, Kool M, Milde T, Westermann F, Benner A, Lewis J, Dietrich S, Pfister SM, Lichter P, Zapatka M, Ernst A. A synergistic interaction between HDAC- and PARP inhibitors in childhood tumors with chromothripsis. Int J Cancer 2022; 151:590-606. [PMID: 35411591 DOI: 10.1002/ijc.34027] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/19/2021] [Revised: 12/15/2021] [Accepted: 01/25/2022] [Indexed: 11/06/2022]
Abstract
Chromothripsis is a form of genomic instability characterized by the occurrence of tens to hundreds of clustered DNA double-strand breaks in a one-off catastrophic event. Rearrangements associated with chromothripsis are detectable in numerous tumor entities and linked with poor prognosis in some of these, such as Sonic Hedgehog medulloblastoma, neuroblastoma and osteosarcoma. Hence, there is a need for therapeutic strategies eliminating tumor cells with chromothripsis. Defects in DNA double-strand break repair, and in particular homologous recombination repair, have been linked with chromothripsis. Targeting DNA repair deficiencies by synthetic lethality approaches, we performed a synergy screen using drug libraries (n = 375 compounds, 15 models) combined with either a PARP inhibitor or cisplatin. This revealed a synergistic interaction between the HDAC inhibitor romidepsin and PARP inhibition. Functional assays, transcriptome analyses, and in vivo validation in patient-derived xenograft mouse models confirmed the efficacy of the combinatorial treatment.
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Affiliation(s)
- Umar Khalid
- Group Genome Instability in Tumors, German Cancer Research Center (DKFZ), Heidelberg, Germany.,University of Heidelberg, Germany
| | - Milena Simovic
- Group Genome Instability in Tumors, German Cancer Research Center (DKFZ), Heidelberg, Germany.,University of Heidelberg, Germany
| | - Linda A Hammann
- Group Genome Instability in Tumors, German Cancer Research Center (DKFZ), Heidelberg, Germany.,University of Heidelberg, Germany
| | - Murat Iskar
- Division of Molecular Genetics, German Cancer Consortium (DKTK) and German Cancer Research Center (DKFZ), Heidelberg, Germany
| | - John Kl Wong
- Division of Molecular Genetics, German Cancer Consortium (DKTK) and German Cancer Research Center (DKFZ), Heidelberg, Germany
| | - Rithu Kumar
- Group Genome Instability in Tumors, German Cancer Research Center (DKFZ), Heidelberg, Germany
| | - Manfred Jugold
- Core Facility, Small Animal Imaging Center, DKFZ, Heidelberg, Germany
| | - Martin Sill
- Hopp Children's Cancer Center (KiTZ), Heidelberg, Germany.,Pediatric Neurooncology, German Cancer Consortium (DKTK) and German Cancer Research Center (DKFZ), Heidelberg, Germany
| | - Michiel Bolkestein
- Group Genome Instability in Tumors, German Cancer Research Center (DKFZ), Heidelberg, Germany
| | - Thorsten Kolb
- Group Genome Instability in Tumors, German Cancer Research Center (DKFZ), Heidelberg, Germany
| | - Michaela Hergt
- Group Genome Instability in Tumors, German Cancer Research Center (DKFZ), Heidelberg, Germany
| | - Frauke Devens
- Group Genome Instability in Tumors, German Cancer Research Center (DKFZ), Heidelberg, Germany
| | - Jonas Ecker
- Hopp Children's Cancer Center (KiTZ), Heidelberg, Germany.,Princess Máxima Center for Pediatric Oncology, Utrecht, The Netherlands
| | - Marcel Kool
- Hopp Children's Cancer Center (KiTZ), Heidelberg, Germany.,Pediatric Neurooncology, German Cancer Consortium (DKTK) and German Cancer Research Center (DKFZ), Heidelberg, Germany.,Princess Máxima Center for Pediatric Oncology, Utrecht, The Netherlands
| | - Till Milde
- Hopp Children's Cancer Center (KiTZ), Heidelberg, Germany.,Clinical Cooperation Unit Pediatric Oncology, German Cancer Research Center and German Consortium for Translational Cancer Research, Heidelberg, Germany; KiTZ Clinical Trial Unit.,Department of Pediatric Hematology and Oncology, Heidelberg University Hospital, Heidelberg, Germany
| | - Frank Westermann
- Hopp Children's Cancer Center (KiTZ), Heidelberg, Germany.,Neuroblastoma Genomics, German Cancer Research Center (DKFZ), Heidelberg, Germany
| | - Axel Benner
- Division of Biostatistics, German Cancer Research Center (DKFZ), Heidelberg, Germany
| | - Joe Lewis
- European Molecular Biology Laboratory
| | - Sascha Dietrich
- Department of Medicine V, Hematology, Oncology and Rheumatology, University of Heidelberg, Heidelberg, Germany
| | - Stefan M Pfister
- Hopp Children's Cancer Center (KiTZ), Heidelberg, Germany.,Pediatric Neurooncology, German Cancer Consortium (DKTK) and German Cancer Research Center (DKFZ), Heidelberg, Germany.,Department of Pediatric Hematology and Oncology, Heidelberg University Hospital, Heidelberg, Germany
| | - Peter Lichter
- Division of Molecular Genetics, German Cancer Consortium (DKTK) and German Cancer Research Center (DKFZ), Heidelberg, Germany
| | - Marc Zapatka
- Division of Molecular Genetics, German Cancer Consortium (DKTK) and German Cancer Research Center (DKFZ), Heidelberg, Germany
| | - Aurélie Ernst
- Group Genome Instability in Tumors, German Cancer Research Center (DKFZ), Heidelberg, Germany
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17
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Perspective on the Use of DNA Repair Inhibitors as a Tool for Imaging and Radionuclide Therapy of Glioblastoma. Cancers (Basel) 2022; 14:cancers14071821. [PMID: 35406593 PMCID: PMC8997380 DOI: 10.3390/cancers14071821] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/24/2022] [Revised: 03/24/2022] [Accepted: 03/29/2022] [Indexed: 01/03/2023] Open
Abstract
Simple Summary The current routine treatment for glioblastoma (GB), the most lethal high-grade brain tumor in adults, aims to induce DNA damage in the tumor. However, the tumor cells might be able to repair that damage, which leads to therapy resistance. Fortunately, DNA repair defects are common in GB cells, and their survival is often based on a sole backup repair pathway. Hence, targeted drugs inhibiting essential proteins of the DNA damage response have gained momentum and are being introduced in the clinic. This review gives a perspective on the use of radiopharmaceuticals targeting DDR kinases for imaging in order to determine the DNA repair phenotype of GB, as well as for effective radionuclide therapy. Finally, four new promising radiopharmaceuticals are suggested with the potential to lead to a more personalized GB therapy. Abstract Despite numerous innovative treatment strategies, the treatment of glioblastoma (GB) remains challenging. With the current state-of-the-art therapy, most GB patients succumb after about a year. In the evolution of personalized medicine, targeted radionuclide therapy (TRT) is gaining momentum, for example, to stratify patients based on specific biomarkers. One of these biomarkers is deficiencies in DNA damage repair (DDR), which give rise to genomic instability and cancer initiation. However, these deficiencies also provide targets to specifically kill cancer cells following the synthetic lethality principle. This led to the increased interest in targeted drugs that inhibit essential DDR kinases (DDRi), of which multiple are undergoing clinical validation. In this review, the current status of DDRi for the treatment of GB is given for selected targets: ATM/ATR, CHK1/2, DNA-PK, and PARP. Furthermore, this review provides a perspective on the use of radiopharmaceuticals targeting these DDR kinases to (1) evaluate the DNA repair phenotype of GB before treatment decisions are made and (2) induce DNA damage via TRT. Finally, by applying in-house selection criteria and analyzing the structural characteristics of the DDRi, four drugs with the potential to become new therapeutic GB radiopharmaceuticals are suggested.
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18
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Wilson Z, Odedra R, Wallez Y, Wijnhoven PW, Hughes AM, Gerrard J, Jones GN, Bargh-Dawson H, Brown E, Young LA, O'Connor MJ, Lau A. ATR Inhibitor AZD6738 (Ceralasertib) Exerts Antitumor Activity as a Monotherapy and in Combination with Chemotherapy and the PARP Inhibitor Olaparib. Cancer Res 2022; 82:1140-1152. [PMID: 35078817 PMCID: PMC9359726 DOI: 10.1158/0008-5472.can-21-2997] [Citation(s) in RCA: 46] [Impact Index Per Article: 23.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/06/2021] [Revised: 11/10/2021] [Accepted: 01/19/2022] [Indexed: 01/09/2023]
Abstract
AZD6738 (ceralasertib) is a potent and selective orally bioavailable inhibitor of ataxia telangiectasia and Rad3-related (ATR) kinase. ATR is activated in response to stalled DNA replication forks to promote G2-M cell-cycle checkpoints and fork restart. Here, we found AZD6738 modulated CHK1 phosphorylation and induced ATM-dependent signaling (pRAD50) and the DNA damage marker γH2AX. AZD6738 inhibited break-induced replication and homologous recombination repair. In vitro sensitivity to AZD6738 was elevated in, but not exclusive to, cells with defects in the ATM pathway or that harbor putative drivers of replication stress such as CCNE1 amplification. This translated to in vivo antitumor activity, with tumor control requiring continuous dosing and free plasma exposures, which correlated with induction of pCHK1, pRAD50, and γH2AX. AZD6738 showed combinatorial efficacy with agents associated with replication fork stalling and collapse such as carboplatin and irinotecan and the PARP inhibitor olaparib. These combinations required optimization of dose and schedules in vivo and showed superior antitumor activity at lower doses compared with that required for monotherapy. Tumor regressions required at least 2 days of daily dosing of AZD6738 concurrent with carboplatin, while twice daily dosing was required following irinotecan. In a BRCA2-mutant patient-derived triple-negative breast cancer (TNBC) xenograft model, complete tumor regression was achieved with 3 to5 days of daily AZD6738 per week concurrent with olaparib. Increasing olaparib dosage or AZD6738 dosing to twice daily allowed complete tumor regression even in a BRCA wild-type TNBC xenograft model. These preclinical data provide rationale for clinical evaluation of AZD6738 as a monotherapy or combinatorial agent. SIGNIFICANCE This detailed preclinical investigation, including pharmacokinetics/pharmacodynamics and dose-schedule optimizations, of AZD6738/ceralasertib alone and in combination with chemotherapy or PARP inhibitors can inform ongoing clinical efforts to treat cancer with ATR inhibitors.
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Affiliation(s)
- Zena Wilson
- Bioscience, Oncology R&D, AstraZeneca, Cheshire, United Kingdom
| | - Rajesh Odedra
- Bioscience, Oncology R&D, AstraZeneca, Cheshire, United Kingdom
| | - Yann Wallez
- Bioscience, Oncology R&D, AstraZeneca, Cambridge, United Kingdom
| | | | - Adina M. Hughes
- Bioscience, Oncology R&D, AstraZeneca, Cheshire, United Kingdom
| | - Joe Gerrard
- Translational Medicine, Oncology R&D, AstraZeneca, Cambridge, United Kingdom
| | - Gemma N. Jones
- Translational Medicine, Oncology R&D, AstraZeneca, Cambridge, United Kingdom
| | - Hannah Bargh-Dawson
- Translational Medicine, Oncology R&D, AstraZeneca, Cambridge, United Kingdom
| | - Elaine Brown
- Bioscience, Oncology R&D, AstraZeneca, Cheshire, United Kingdom
| | - Lucy A. Young
- Bioscience, Oncology R&D, AstraZeneca, Cambridge, United Kingdom
| | - Mark J. O'Connor
- Bioscience, Oncology R&D, AstraZeneca, Cambridge, United Kingdom
| | - Alan Lau
- Bioscience, Oncology R&D, AstraZeneca, Cambridge, United Kingdom.,Corresponding Author: Alan Lau, Bioscience, Oncology R&D, AstraZeneca, Hodgkin Building, C/O Darwin Building, Unit 310, Cambridge Science Park, Milton Road, Cambridge CB4 OWG, United Kingdom. Phone: 4407-9171-88399; E-mail:
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19
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Yu Z, Du M, Lu L. A Novel 16-Genes Signature Scoring System as Prognostic Model to Evaluate Survival Risk in Patients with Glioblastoma. Biomedicines 2022; 10:biomedicines10020317. [PMID: 35203526 PMCID: PMC8869708 DOI: 10.3390/biomedicines10020317] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/05/2021] [Revised: 01/20/2022] [Accepted: 01/21/2022] [Indexed: 12/15/2022] Open
Abstract
Previous studies have found that gene expression levels are associated with prognosis and some genes can be used to predict the survival risk of glioblastoma (GBM) patients. However, most of them just built the survival-related gene signature, and personal survival risk can be evaluated only in group. This study aimed to find the prognostic survival related genes of GBM, and construct survival risk prediction model, which can be used to evaluate survival risk by individual. We collected gene expression data and clinical information from the Gene Expression Omnibus (GEO) and The Cancer Genome Atlas (TCGA) databases. Cox regression analysis and LASSO-cox regression analysis were performed to get survival-related genes and establish the overall survival prediction model. The ROC curve and Kaplan Meier analysis were used to evaluate the prediction ability of the model in training set and two independent cohorts. We also analyzed the biological functions of survival-related genes by GO and KEGG enrichment analysis. We identified 99 genes associated with overall survival and selected 16 genes (IGFBP2, GPRASP1, C1R, CHRM3, CLSTN2, NELL1, SEZ6L2, NMB, ICAM5, HPCAL4, SNAP91, PCSK1N, PGBD5, INA, UCHL1 and LHX6) to establish the survival risk prediction model. Multivariate Cox regression analysis indicted that the risk score could predict overall survival independent of age and gender. ROC analyses showed that our model was more robust than four existing signatures. The sixteen genes can also be potential transcriptional biomarkers and the model can assist doctors on clinical decision-making and personalized treatment of GBM patients.
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20
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Keller KM, Krausert S, Gopisetty A, Luedtke D, Koster J, Schubert NA, Rodríguez A, van Hooff SR, Stichel D, Dolman MEM, Vassal G, Pfister SM, Caron HN, Stancato LF, Molenaar JJ, Jäger N, Kool M. Target Actionability Review: a systematic evaluation of replication stress as a therapeutic target for paediatric solid malignancies. Eur J Cancer 2021; 162:107-117. [PMID: 34963094 DOI: 10.1016/j.ejca.2021.11.030] [Citation(s) in RCA: 7] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/02/2021] [Revised: 10/29/2021] [Accepted: 11/30/2021] [Indexed: 11/03/2022]
Abstract
BACKGROUND Owing to the high numbers of paediatric cancer-related deaths, advances in therapeutic options for childhood cancer is a heavily studied field, especially over the past decade. Classical chemotherapy offers some therapeutic benefit but has proven long-term complications in survivors, and there is an urgent need to identify novel target-driven therapies. Replication stress is a major cause of genomic instability in cancer, triggering the stalling of the replication fork. Failure of molecular response by DNA damage checkpoints, DNA repair mechanisms and restarting the replication forks can exacerbate replication stress and initiate cell death pathways, thus presenting as a novel therapeutic target. To bridge the gap between preclinical evidence and clinical utility thereof, we apply the literature-driven systematic target actionability review methodology to published proof-of-concept (PoC) data related to the process of replication stress. METHODS A meticulous PubMed literature search was performed to gather replication stress-related articles (published between 2014 and 2021) across 16 different paediatric solid tumour types. Articles that fulfilled inclusion criteria were uploaded into the R2 informatics platform [r2.amc.nl] and assessed by critical appraisal. Key evidence based on nine pre-established PoC modules was summarised, and scores based on the quality and outcome of each study were assigned by two separate reviewers. Articles with discordant modules/scores were re-scored by a third independent reviewer, and a final consensus score was agreed upon by adjudication between all three reviewers. To visualise the final scores, an interactive heatmap summarising the evidence and scores associated with each PoC module across all, including paediatric tumour types, were generated. RESULTS AND CONCLUSIONS 145 publications related to targeting replication stress in paediatric tumours were systematically reviewed with an emphasis on DNA repair pathways and cell cycle checkpoint control. Although various targets in these pathways have been studied in these diseases to different extents, the results of this extensive literature search show that ATR, CHK1, PARP or WEE1 are the most promising targets using either single agents or in combination with chemotherapy or radiotherapy in neuroblastoma, osteosarcoma, high-grade glioma or medulloblastoma. Targeting these pathways in other paediatric malignancies may work as well, but here, the evidence was more limited. The evidence for other targets (such as ATM and DNA-PK) was also limited but showed promising results in some malignancies and requires more studies in other tumour types. Overall, we have created an extensive overview of targeting replication stress across 16 paediatric tumour types, which can be explored using the interactive heatmap on the R2 target actionability review platform [https://hgserver1.amc.nl/cgi-bin/r2/main.cgi?option=imi2_targetmap_v1].
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Affiliation(s)
- Kaylee M Keller
- Princess Máxima Center for Paediatric Oncology, Utrecht, the Netherlands
| | - Sonja Krausert
- Hopp Children's Cancer Center (KiTZ), Heidelberg, Germany; Division of Paediatric Neurooncology, German Cancer Research Center (DKFZ), German Cancer Consortium (DKTK), Heidelberg, Germany
| | - Apurva Gopisetty
- Hopp Children's Cancer Center (KiTZ), Heidelberg, Germany; Division of Paediatric Neurooncology, German Cancer Research Center (DKFZ), German Cancer Consortium (DKTK), Heidelberg, Germany
| | - Dan Luedtke
- Eli Lilly and Company, Indianapolis, IN, USA
| | - Jan Koster
- Department of Oncogenomics, Amsterdam University Medical Centre, Amsterdam, the Netherlands
| | - Nil A Schubert
- Princess Máxima Center for Paediatric Oncology, Utrecht, the Netherlands
| | | | - Sander R van Hooff
- Princess Máxima Center for Paediatric Oncology, Utrecht, the Netherlands
| | - Damian Stichel
- Clinical Cooperation Unit Neuropathology, German Cancer Consortium (DKTK), German Cancer Research Center (DKFZ), Heidelberg, Germany
| | - M Emmy M Dolman
- Princess Máxima Center for Paediatric Oncology, Utrecht, the Netherlands; Children's Cancer Institute, Lowy Cancer Centre, UNSW Sydney, Kensington, NSW, Australia; School of Women's and Children's Health, Faculty of Medicine, UNSW Sydney, NSW Australia
| | - Gilles Vassal
- Department of Clinical Research, Gustave Roussy, Villejuif, France
| | - Stefan M Pfister
- Hopp Children's Cancer Center (KiTZ), Heidelberg, Germany; Division of Paediatric Neurooncology, German Cancer Research Center (DKFZ), German Cancer Consortium (DKTK), Heidelberg, Germany; Department of Hematology and Oncology, Heidelberg University Hospital, Heidelberg, Germany
| | | | | | - Jan J Molenaar
- Princess Máxima Center for Paediatric Oncology, Utrecht, the Netherlands
| | - Natalie Jäger
- Hopp Children's Cancer Center (KiTZ), Heidelberg, Germany; Division of Paediatric Neurooncology, German Cancer Research Center (DKFZ), German Cancer Consortium (DKTK), Heidelberg, Germany
| | - Marcel Kool
- Princess Máxima Center for Paediatric Oncology, Utrecht, the Netherlands; Hopp Children's Cancer Center (KiTZ), Heidelberg, Germany; Division of Paediatric Neurooncology, German Cancer Research Center (DKFZ), German Cancer Consortium (DKTK), Heidelberg, Germany.
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21
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Hoffman LM, Richardson EA, Ho B, Margol A, Reddy A, Lafay-Cousin L, Chi S, Slavc I, Judkins A, Hasselblatt M, Bourdeaut F, Frühwald MC, Vibhakar R, Bouffet E, Huang A. Advancing biology-based therapeutic approaches for atypical teratoid rhabdoid tumors. Neuro Oncol 2021; 22:944-954. [PMID: 32129445 DOI: 10.1093/neuonc/noaa046] [Citation(s) in RCA: 19] [Impact Index Per Article: 6.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/14/2022] Open
Abstract
Atypical teratoid rhabdoid tumor (ATRT) is a rare, highly malignant central nervous system cancer arising in infants and younger children, historically considered to be homogeneous, monogenic, and incurable. Recent use of intensified therapies has modestly improved survival for ATRT; however, a majority of patients will still succumb to their disease. While ATRTs almost universally exhibit loss of SMARCB1 (BAF47/INI1/SNF5), recent whole genome, transcriptome, and epigenomic analyses of large cohorts reveal previously underappreciated molecular heterogeneity. These discoveries provide novel insights into how SMARCB1 loss drives oncogenesis and confer specific therapeutic vulnerabilities, raising exciting prospects for molecularly stratified treatment for patients with ATRT.
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Affiliation(s)
- Lindsey M Hoffman
- Center for Cancer and Blood Disorders, Phoenix Children's Hospital, Phoenix, Arizona, USA
| | - Elizabeth Anne Richardson
- Arthur and Sonia Labatt Brain Tumour Research Centre, Hospital for Sick Children, Toronto, Ontario, Canada.,Department of Cell Biology, Hospital for Sick Children, Toronto, Ontario, Canada.,Department of Laboratory Medicine and Pathobiology, Faculty of Medicine, University of Toronto, Toronto, Ontario, Canada
| | - Ben Ho
- Arthur and Sonia Labatt Brain Tumour Research Centre, Hospital for Sick Children, Toronto, Ontario, Canada.,Department of Cell Biology, Hospital for Sick Children, Toronto, Ontario, Canada.,Department of Laboratory Medicine and Pathobiology, Faculty of Medicine, University of Toronto, Toronto, Ontario, Canada
| | - Ashley Margol
- Cancer and Blood Disease Institute, Children's Hospital Los Angeles, Los Angeles, California, USA.,Department of Pediatrics, Keck School of Medicine of University of Southern California, Los Angeles, California, USA
| | - Alyssa Reddy
- Departments of Neurology and Pediatrics, University of California San Francisco, San Francisco, California, USA
| | - Lucie Lafay-Cousin
- Department of Pediatric Hematology Oncology and Blood and Marrow Transplantation, Alberta Children's Hospital, Calgary, Alberta, Canada.,Department of Paediatrics and Department of Oncology, Cumming School of Medicine, University of Calgary, Calgary, Alberta, Canada
| | - Susan Chi
- Pediatric Medical Neuro-Oncology, Dana-Farber Cancer Institute, Boston, Massachusetts, USA.,Dana-Farber/Boston Children's Cancer and Blood Disorders Center, Boston, Massachusetts, USA.,Department of Pediatrics, Harvard Medical School, Boston, Massachusetts, USA
| | - Irene Slavc
- Department of Pediatrics and Adolescent Medicine, Medical University of Vienna, Vienna, Austria.,Division of Neonatology, Pediatric Intensive Care and Neuropediatrics, Department of Pediatrics and Adolescent Medicine, Medical University of Vienna, Vienna, Austria
| | - Alexander Judkins
- Center for Personalized Medicine, Children's Hospital of Los Angeles.,Pathology and Laboratory Medicine, Children's Hospital of Los Angeles.,Department of Pathology, Keck School of Medicine University of Southern California, Los Angeles, California, USA
| | - Martin Hasselblatt
- Institute of Neuropathology, University Hospital Münster, Münster, Germany
| | - Franck Bourdeaut
- Curie Institute, Integrated Cancer Research Site, Paris, France.,Departments of Genetics and of Oncopediatry and Young Adults, Curie Institute, Paris, France.,INSERM U830, Laboratory of Translational Research in Pediatric Oncology, SIREDO Pediatric Oncology Center, Curie Institute, Paris, France
| | - Michael C Frühwald
- Swabian Children's Cancer Center, University Children's Hospital, University Hospital Augsburg, Augsburg, Germany.,Department of Pediatric Hematology and Oncology, University Children's Hospital Münster, University of Münster, Münster, Germany.,EU-RHAB Registry Working Group, Augsburg, Germany
| | - Rajeev Vibhakar
- Department of Pediatrics, University of Colorado Denver, Anschutz Medical Campus, Aurora, Colorado, USA.,Morgan Adams Foundation Pediatric Brain Tumor Research Program, Children's Hospital Colorado, Aurora, Colorado, USA.,Department of Neurosurgery, University of Colorado Denver, Aurora, Colorado, USA
| | - Eric Bouffet
- Child Health Evaluative Sciences, SickKids Research Institute, Toronto, Ontario, Canada.,Department of Paediatrics, University of Toronto, Toronto, Ontario, Canada.,Division of Hematology/Oncology, Hospital for Sick Children, Toronto, Ontario, Canada
| | - Annie Huang
- Department of Paediatrics, University of Toronto, Toronto, Ontario, Canada.,Division of Hematology/Oncology, Hospital for Sick Children, Toronto, Ontario, Canada.,Department of Medical Biophysics, Faculty of Medicine, University of Toronto, Toronto, Ontario, Canada
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22
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Roeschert I, Poon E, Henssen AG, Garcia HD, Gatti M, Giansanti C, Jamin Y, Ade CP, Gallant P, Schülein-Völk C, Beli P, Richards M, Rosenfeldt M, Altmeyer M, Anderson J, Eggert A, Dobbelstein M, Bayliss R, Chesler L, Büchel G, Eilers M. Combined inhibition of Aurora-A and ATR kinase results in regression of MYCN-amplified neuroblastoma. NATURE CANCER 2021; 2:312-326. [PMID: 33768209 PMCID: PMC7610389 DOI: 10.1038/s43018-020-00171-8] [Citation(s) in RCA: 43] [Impact Index Per Article: 14.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/30/2020] [Accepted: 12/21/2020] [Indexed: 12/18/2022]
Abstract
Amplification of MYCN is the driving oncogene in a subset of high-risk neuroblastoma. The MYCN protein and the Aurora-A kinase form a complex during S phase that stabilizes MYCN. Here we show that MYCN activates Aurora-A on chromatin, which phosphorylates histone H3 at serine 10 in S phase, promotes the deposition of histone H3.3 and suppresses R-loop formation. Inhibition of Aurora-A induces transcription-replication conflicts and activates the Ataxia telangiectasia and Rad3 related (ATR) kinase, which limits double-strand break accumulation upon Aurora-A inhibition. Combined inhibition of Aurora-A and ATR induces rampant tumor-specific apoptosis and tumor regression in mouse models of neuroblastoma, leading to permanent eradication in a subset of mice. The therapeutic efficacy is due to both tumor cell-intrinsic and immune cell-mediated mechanisms. We propose that targeting the ability of Aurora-A to resolve transcription-replication conflicts is an effective therapy for MYCN-driven neuroblastoma (141 words).
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Affiliation(s)
- Isabelle Roeschert
- Theodor Boveri Institute, Department of Biochemistry and Molecular Biology, Biocenter, University of Würzburg, Am Hubland, 97074 Würzburg, Germany
| | - Evon Poon
- Division of Clinical Studies and Cancer Therapeutics, The Institute of Cancer Research, The Royal Marsden NHS Trust, 15 Cotswold Rd. Belmont, Sutton, Surrey SM2 5NG, UK
| | - Anton G. Henssen
- Experimental and Clinical Research Center, Max Delbrück Center and Charité Berlin, Lindenberger Weg 80, 13125 Berlin, Germany
| | - Heathcliff Dorado Garcia
- Experimental and Clinical Research Center, Max Delbrück Center and Charité Berlin, Lindenberger Weg 80, 13125 Berlin, Germany
| | - Marco Gatti
- Department of Molecular Mechanisms of Disease, University of Zurich, Winterthurerstraße 190, 8057 Zurich, Switzerland
| | - Celeste Giansanti
- Institute of Molecular Oncology, Center of Molecular Biosciences, University of Göttingen, Justus von Liebig Weg 11, 37077 Göttingen, Germany
| | - Yann Jamin
- Divisions of Radiotherapy and Imaging, The Institute of Cancer Research, The Royal Marsden NHS Trust, 15 Cotswold Rd. Belmont, Sutton, Surrey SM2 5NG, UK
| | - Carsten P. Ade
- Theodor Boveri Institute, Department of Biochemistry and Molecular Biology, Biocenter, University of Würzburg, Am Hubland, 97074 Würzburg, Germany
| | - Peter Gallant
- Theodor Boveri Institute, Department of Biochemistry and Molecular Biology, Biocenter, University of Würzburg, Am Hubland, 97074 Würzburg, Germany
| | - Christina Schülein-Völk
- Theodor Boveri Institute, Core Unit High-Content Microscopy, Biocenter, University of Würzburg, Am Hubland, 97074 Würzburg, Germany
| | - Petra Beli
- Institute of Molecular Biology, Ackermannweg 4, 55128 Mainz, Germany
| | - Mark Richards
- Faculty of Biological Sciences, University of Leeds, Leeds LS2 9JT, UK
| | - Mathias Rosenfeldt
- Comprehensive Cancer Center Mainfranken, University Hospital Würzburg, Josef-Schneider-Str. 6, 97080 Würzburg, Germany
| | - Matthias Altmeyer
- Department of Molecular Mechanisms of Disease, University of Zurich, Winterthurerstraße 190, 8057 Zurich, Switzerland
| | - John Anderson
- UCL Great Ormond Street Institute of Child Health, 30 Guilford Street London WC1N 1EH, UK
| | - Angelika Eggert
- Experimental and Clinical Research Center, Max Delbrück Center and Charité Berlin, Lindenberger Weg 80, 13125 Berlin, Germany
| | - Matthias Dobbelstein
- Institute of Molecular Oncology, Center of Molecular Biosciences, University of Göttingen, Justus von Liebig Weg 11, 37077 Göttingen, Germany
| | - Richard Bayliss
- Faculty of Biological Sciences, University of Leeds, Leeds LS2 9JT, UK
| | - Louis Chesler
- Division of Clinical Studies and Cancer Therapeutics, The Institute of Cancer Research, The Royal Marsden NHS Trust, 15 Cotswold Rd. Belmont, Sutton, Surrey SM2 5NG, UK
| | - Gabriele Büchel
- Theodor Boveri Institute, Department of Biochemistry and Molecular Biology, Biocenter, University of Würzburg, Am Hubland, 97074 Würzburg, Germany
- Mildred Scheel Early Career Center, University Hospital Würzburg, Josef-Schneider-Str. 6, 97080 Würzburg, Germany
| | - Martin Eilers
- Theodor Boveri Institute, Department of Biochemistry and Molecular Biology, Biocenter, University of Würzburg, Am Hubland, 97074 Würzburg, Germany
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23
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Helou L, Beauclair L, Dardente H, Piégu B, Tsakou-Ngouafo L, Lecomte T, Kentsis A, Pontarotti P, Bigot Y. The piggyBac-derived protein 5 (PGBD5) transposes both the closely and the distantly related piggyBac-like elements Tcr-pble and Ifp2. J Mol Biol 2021; 433:166839. [PMID: 33539889 DOI: 10.1016/j.jmb.2021.166839] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/14/2020] [Revised: 12/21/2020] [Accepted: 01/14/2021] [Indexed: 12/16/2022]
Abstract
The vertebrate piggyBac derived transposase 5 (PGBD5) encodes a domesticated transposase, which is active and able to transpose its distantly related piggyBac-like element (pble), Ifp2. This raised the question whether PGBD5 would be more effective at mobilizing a phylogenetically closely related pble element. We aimed to identify the pble most closely related to the pgbd5 gene. We updated the landscape of vertebrate pgbd genes to develop efficient filters and identify the most closely related pble to each of these genes. We found that Tcr-pble is phylogenetically the closest pble to the pgbd5 gene. Furthermore, we evaluated the capacity of two murine and human PGBD5 isoforms, Mm523 and Hs524, to transpose both Tcr-pble and Ifp2 elements. We found that both pbles could be transposed by Mm523 with similar efficiency. However, integrations of both pbles occurred through both proper transposition and improper PGBD5-dependent recombination. This suggested that the ability of PGBD5 to bind both pbles may not be based on the primary sequence of element ends, but may involve recognition of inner DNA motifs, possibly related to palindromic repeats. In agreement with this hypothesis, we identified internal palindromic repeats near the end of 24 pble sequences, which display distinct sequences.
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Affiliation(s)
- Laura Helou
- UMR INRAE 0085, CNRS 7247, Physiologie de la Reproduction et des Comportements, Centre INRA Val de Loire, 37380 Nouzilly, France
| | - Linda Beauclair
- UMR INRAE 0085, CNRS 7247, Physiologie de la Reproduction et des Comportements, Centre INRA Val de Loire, 37380 Nouzilly, France
| | - Hugues Dardente
- UMR INRAE 0085, CNRS 7247, Physiologie de la Reproduction et des Comportements, Centre INRA Val de Loire, 37380 Nouzilly, France
| | - Benoît Piégu
- UMR INRAE 0085, CNRS 7247, Physiologie de la Reproduction et des Comportements, Centre INRA Val de Loire, 37380 Nouzilly, France
| | - Louis Tsakou-Ngouafo
- UMR MEPHI D-258, I, IRD, Aix Marseille Université, 19-21 Boulevard Jean Moulin, 13005 Marseille, France; CNRS SNC 5039, 13005 Marseille, France
| | | | - Alex Kentsis
- Molecular Pharmacology Program, Sloan Kettering Institute, Memorial Sloan Kettering Cancer Center, New York, NY, USA; Weill Cornell Medical College, Cornell University, New York, NY, USA; Department of Pediatrics, Memorial Sloan Kettering Cancer Center, New York, NY, USA
| | - Pierre Pontarotti
- UMR INRAE 0085, CNRS 7247, Physiologie de la Reproduction et des Comportements, Centre INRA Val de Loire, 37380 Nouzilly, France; CNRS SNC 5039, 13005 Marseille, France
| | - Yves Bigot
- UMR INRAE 0085, CNRS 7247, Physiologie de la Reproduction et des Comportements, Centre INRA Val de Loire, 37380 Nouzilly, France.
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Graham MA, Noonan G, Cherryman JH, Douglas JJ, Gonzalez M, Jackson LV, Leslie K, Liu ZQ, McKinney D, Munday RH, Parsons CD, Whittaker DTE, Zhang EX, Zhang JW. Development and Proof of Concept for a Large-Scale Photoredox Additive-Free Minisci Reaction. Org Process Res Dev 2020. [DOI: 10.1021/acs.oprd.0c00483] [Citation(s) in RCA: 17] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/16/2022]
Affiliation(s)
- Mark A. Graham
- Chemical Development, Pharmaceutical Technology & Development, Operations, AstraZeneca, Macclesfield SK10 2NA, U.K
| | - Gary Noonan
- Chemical Development, Pharmaceutical Technology & Development, Operations, AstraZeneca, Macclesfield SK10 2NA, U.K
| | - Janette H. Cherryman
- Chemical Development, Pharmaceutical Technology & Development, Operations, AstraZeneca, Macclesfield SK10 2NA, U.K
| | - James J. Douglas
- Early Chemical Development, Pharmaceutical Sciences, R&D, AstraZeneca, Macclesfield SK10 2NA, U.K
| | - Miguel Gonzalez
- Asymchem Laboratories (Tianjin) Co. Ltd., TEDA, Tianjin 300457, P. R. China
| | - Lucinda V. Jackson
- Chemical Development, Pharmaceutical Technology & Development, Operations, AstraZeneca, Macclesfield SK10 2NA, U.K
| | - Kevin Leslie
- Chemical Development, Pharmaceutical Technology & Development, Operations, AstraZeneca, Macclesfield SK10 2NA, U.K
| | - Zhi-qing Liu
- Asymchem Laboratories (Tianjin) Co. Ltd., TEDA, Tianjin 300457, P. R. China
| | - David McKinney
- Chemical Development, Pharmaceutical Technology & Development, Operations, AstraZeneca, Macclesfield SK10 2NA, U.K
| | - Rachel H. Munday
- Chemical Development, Pharmaceutical Technology & Development, Operations, AstraZeneca, Macclesfield SK10 2NA, U.K
| | - Chris D. Parsons
- Early Chemical Development, Pharmaceutical Sciences, R&D, AstraZeneca, Macclesfield SK10 2NA, U.K
| | - David T. E. Whittaker
- Early Chemical Development, Pharmaceutical Sciences, R&D, AstraZeneca, Macclesfield SK10 2NA, U.K
| | - En-xuan Zhang
- Asymchem Laboratories (Tianjin) Co. Ltd., TEDA, Tianjin 300457, P. R. China
| | - Jun-wang Zhang
- Asymchem Laboratories (Tianjin) Co. Ltd., TEDA, Tianjin 300457, P. R. China
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25
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Topatana W, Juengpanich S, Li S, Cao J, Hu J, Lee J, Suliyanto K, Ma D, Zhang B, Chen M, Cai X. Advances in synthetic lethality for cancer therapy: cellular mechanism and clinical translation. J Hematol Oncol 2020; 13:118. [PMID: 32883316 PMCID: PMC7470446 DOI: 10.1186/s13045-020-00956-5] [Citation(s) in RCA: 87] [Impact Index Per Article: 21.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/04/2020] [Accepted: 08/26/2020] [Indexed: 12/27/2022] Open
Abstract
Synthetic lethality is a lethal phenomenon in which the occurrence of a single genetic event is tolerable for cell survival, whereas the co-occurrence of multiple genetic events results in cell death. The main obstacle for synthetic lethality lies in the tumor biology heterogeneity and complexity, the inadequate understanding of synthetic lethal interactions, drug resistance, and the challenges regarding screening and clinical translation. Recently, DNA damage response inhibitors are being tested in various trials with promising results. This review will describe the current challenges, development, and opportunities for synthetic lethality in cancer therapy. The characterization of potential synthetic lethal interactions and novel technologies to develop a more effective targeted drug for cancer patients will be explored. Furthermore, this review will discuss the clinical development and drug resistance mechanisms of synthetic lethality in cancer therapy. The ultimate goal of this review is to guide clinicians at selecting patients that will receive the maximum benefits of DNA damage response inhibitors for cancer therapy.
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Affiliation(s)
- Win Topatana
- Department of General Surgery, Sir Run-Run Shaw Hospital, Zhejiang University, Hangzhou, 310016, China.,School of Medicine, Zhejiang University, Hangzhou, 310058, China
| | - Sarun Juengpanich
- Department of General Surgery, Sir Run-Run Shaw Hospital, Zhejiang University, Hangzhou, 310016, China.,School of Medicine, Zhejiang University, Hangzhou, 310058, China
| | - Shijie Li
- Department of General Surgery, Sir Run-Run Shaw Hospital, Zhejiang University, Hangzhou, 310016, China
| | - Jiasheng Cao
- Department of General Surgery, Sir Run-Run Shaw Hospital, Zhejiang University, Hangzhou, 310016, China
| | - Jiahao Hu
- Department of General Surgery, Sir Run-Run Shaw Hospital, Zhejiang University, Hangzhou, 310016, China
| | - Jiyoung Lee
- Institute of Pharmaceutics, College of Pharmaceutical Sciences, Zhejiang University, Hangzhou, 310058, China
| | | | - Diana Ma
- School of Medicine, Zhejiang University, Hangzhou, 310058, China
| | - Bin Zhang
- Department of General Surgery, Sir Run-Run Shaw Hospital, Zhejiang University, Hangzhou, 310016, China
| | - Mingyu Chen
- Department of General Surgery, Sir Run-Run Shaw Hospital, Zhejiang University, Hangzhou, 310016, China. .,School of Medicine, Zhejiang University, Hangzhou, 310058, China.
| | - Xiujun Cai
- Department of General Surgery, Sir Run-Run Shaw Hospital, Zhejiang University, Hangzhou, 310016, China. .,School of Medicine, Zhejiang University, Hangzhou, 310058, China. .,Key Laboratory of Endoscopic Technique Research of Zhejiang Province, No.3 East Qingchun Road, Hangzhou, 310016, China.
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26
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Kentsis A. Why do young people get cancer? Pediatr Blood Cancer 2020; 67:e28335. [PMID: 32391946 PMCID: PMC7582786 DOI: 10.1002/pbc.28335] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 02/28/2020] [Revised: 03/30/2020] [Accepted: 03/31/2020] [Indexed: 12/12/2022]
Abstract
Oncologists and cancer biologists are frequently confronted by the question of what causes cancer? This is particularly vexing for cancers affecting children and young adults who have had limited exposure to environmental mutagens and the effects of aging. Here, I focus on a general framework of the causes of early-onset cancer development in children and young adults by relating inherited and constitutional cancer predisposition, oncogenic pathogens, and developmental mutations. This framework has implications not only for mechanistic investigation of young cancers, but should also clarify improved strategies for their treatment, screening, and potential prevention.
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Affiliation(s)
- Alex Kentsis
- Sloan Kettering Institute and Department of Pediatrics Weill Medical College of Cornell University and Memorial Sloan Kettering Cancer Center New York New York
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27
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Abstract
A new hypothesis suggests that somatic genome remodeling during normal development can cause mutations that explain many early onset cancers in children and adults.
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Affiliation(s)
- Alex Kentsis
- Sloan Kettering Institute and Department of Pediatrics, Weill Medical College of Cornell University and Memorial Sloan Kettering Cancer Center, New York, NY, United States
| | - Steven A. Frank
- Department of Ecology and Evolutionary Biology, University of California, Irvine, Irvine, CA, United States
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28
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Koppenhafer SL, Goss KL, Terry WW, Gordon DJ. Inhibition of the ATR-CHK1 Pathway in Ewing Sarcoma Cells Causes DNA Damage and Apoptosis via the CDK2-Mediated Degradation of RRM2. Mol Cancer Res 2020; 18:91-104. [PMID: 31649026 PMCID: PMC6942212 DOI: 10.1158/1541-7786.mcr-19-0585] [Citation(s) in RCA: 32] [Impact Index Per Article: 8.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/03/2019] [Revised: 09/23/2019] [Accepted: 10/21/2019] [Indexed: 02/07/2023]
Abstract
Inhibition of ribonucleotide reductase (RNR), the rate-limiting enzyme in the synthesis of deoxyribonucleotides, causes DNA replication stress and activates the ataxia telangiectasia and rad3-related protein (ATR)-checkpoint kinase 1 (CHK1) pathway. Notably, a number of different cancers, including Ewing sarcoma tumors, are sensitive to the combination of RNR and ATR-CHK1 inhibitors. However, multiple, overlapping mechanisms are reported to underlie the toxicity of ATR-CHK1 inhibitors, both as single agents and in combination with RNR inhibitors, toward cancer cells. Here, we identified a feedback loop in Ewing sarcoma cells in which inhibition of the ATR-CHK1 pathway depletes RRM2, the small subunit of RNR, and exacerbates the DNA replication stress and DNA damage caused by RNR inhibitors. Mechanistically, we identified that the inhibition of ATR-CHK1 activates CDK2, which targets RRM2 for degradation via the proteasome. Similarly, activation of CDK2 by inhibition or knockdown of the WEE1 kinase also depletes RRM2 and causes DNA damage and apoptosis. Moreover, we show that the concurrent inhibition of ATR and WEE1 has a synergistic effect in Ewing sarcoma cells. Overall, our results provide novel insight into the response to DNA replication stress, as well as a rationale for targeting the ATR, CHK1, and WEE1 pathways, in Ewing sarcoma tumors. IMPLICATIONS: Targeting the ATR, CHK1, and WEE1 kinases in Ewing sarcoma cells activates CDK2 and increases DNA replication stress by promoting the proteasome-mediated degradation of RRM2.
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Affiliation(s)
- Stacia L Koppenhafer
- Division of Pediatric Hematology/Oncology, Department of Pediatrics, University of Iowa, Iowa City, Iowa
| | - Kelli L Goss
- Division of Pediatric Hematology/Oncology, Department of Pediatrics, University of Iowa, Iowa City, Iowa
| | - William W Terry
- Division of Pediatric Hematology/Oncology, Department of Pediatrics, University of Iowa, Iowa City, Iowa
| | - David J Gordon
- Division of Pediatric Hematology/Oncology, Department of Pediatrics, University of Iowa, Iowa City, Iowa.
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29
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Timme N, Han Y, Liu S, Yosief HO, García HD, Bei Y, Klironomos F, MacArthur IC, Szymansky A, von Stebut J, Bardinet V, Dohna C, Künkele A, Rolff J, Hundsdörfer P, Lissat A, Seifert G, Eggert A, Schulte JH, Zhang W, Henssen AG. Small-Molecule Dual PLK1 and BRD4 Inhibitors are Active Against Preclinical Models of Pediatric Solid Tumors. Transl Oncol 2019; 13:221-232. [PMID: 31869746 PMCID: PMC6931204 DOI: 10.1016/j.tranon.2019.09.013] [Citation(s) in RCA: 15] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/27/2019] [Accepted: 09/30/2019] [Indexed: 01/09/2023] Open
Abstract
Simultaneous inhibition of multiple molecular targets is an established strategy to improve the continuance of clinical response to therapy. Here, we screened 49 molecules with dual nanomolar inhibitory activity against BRD4 and PLK1, best classified as dual kinase-bromodomain inhibitors, in pediatric tumor cell lines for their antitumor activity. We identified two candidate dual kinase-bromodomain inhibitors with strong and tumor-specific activity against neuroblastoma, medulloblastoma, and rhabdomyosarcoma tumor cells. Dual PLK1 and BRD4 inhibitor treatment suppressed proliferation and induced apoptosis in pediatric tumor cell lines at low nanomolar concentrations. This was associated with reduced MYCN-driven gene expression as assessed by RNA sequencing. Treatment of patient-derived xenografts with dual inhibitor UMB103 led to significant tumor regression. We demonstrate that concurrent inhibition of two central regulators of MYC protein family of protooncogenes, BRD4, and PLK1, with single small molecules has strong and specific antitumor effects in preclinical pediatric cancer models.
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Affiliation(s)
- Natalie Timme
- Department of Pediatric Oncology and Hematology, Charité-Universitätsmedizin Berlin, Berlin, Germany; Experimental and Clinical Research Center (ECRC) of the Charité and the Max-Delbrück-Center for Molecular Medicine (MDC) in the Helmholtz Association, Berlin, Germany
| | - Youjia Han
- Department of Pediatric Oncology and Hematology, Charité-Universitätsmedizin Berlin, Berlin, Germany; Experimental and Clinical Research Center (ECRC) of the Charité and the Max-Delbrück-Center for Molecular Medicine (MDC) in the Helmholtz Association, Berlin, Germany
| | - Shuai Liu
- Department of Chemistry, UMass Boston, Boston, MA, USA
| | | | - Heathcliff Dorado García
- Department of Pediatric Oncology and Hematology, Charité-Universitätsmedizin Berlin, Berlin, Germany; Experimental and Clinical Research Center (ECRC) of the Charité and the Max-Delbrück-Center for Molecular Medicine (MDC) in the Helmholtz Association, Berlin, Germany
| | - Yi Bei
- Department of Pediatric Oncology and Hematology, Charité-Universitätsmedizin Berlin, Berlin, Germany; Experimental and Clinical Research Center (ECRC) of the Charité and the Max-Delbrück-Center for Molecular Medicine (MDC) in the Helmholtz Association, Berlin, Germany
| | - Filippos Klironomos
- Department of Pediatric Oncology and Hematology, Charité-Universitätsmedizin Berlin, Berlin, Germany
| | - Ian C MacArthur
- Department of Pediatric Oncology and Hematology, Charité-Universitätsmedizin Berlin, Berlin, Germany; Experimental and Clinical Research Center (ECRC) of the Charité and the Max-Delbrück-Center for Molecular Medicine (MDC) in the Helmholtz Association, Berlin, Germany
| | - Annabell Szymansky
- Department of Pediatric Oncology and Hematology, Charité-Universitätsmedizin Berlin, Berlin, Germany; Institute of Biology, Freie Universität Berlin, Germany
| | - Jennifer von Stebut
- Department of Pediatric Oncology and Hematology, Charité-Universitätsmedizin Berlin, Berlin, Germany; Experimental and Clinical Research Center (ECRC) of the Charité and the Max-Delbrück-Center for Molecular Medicine (MDC) in the Helmholtz Association, Berlin, Germany
| | - Victor Bardinet
- Department of Pediatric Oncology and Hematology, Charité-Universitätsmedizin Berlin, Berlin, Germany; Experimental and Clinical Research Center (ECRC) of the Charité and the Max-Delbrück-Center for Molecular Medicine (MDC) in the Helmholtz Association, Berlin, Germany
| | - Constantin Dohna
- Department of Pediatric Oncology and Hematology, Charité-Universitätsmedizin Berlin, Berlin, Germany
| | - Annette Künkele
- Department of Pediatric Oncology and Hematology, Charité-Universitätsmedizin Berlin, Berlin, Germany; Deutsches Konsortium für Translationale Krebsforschung, Berlin, Germany
| | - Jana Rolff
- Experimental Pharmacology and Oncology Berlin-Buch GmbH (EPO), Berlin, Germany
| | - Patrick Hundsdörfer
- Department of Pediatric Oncology and Hematology, Charité-Universitätsmedizin Berlin, Berlin, Germany; Berlin Institute of Health, Berlin, Germany; Helios Klinikum Berlin-Buch, Germany
| | - Andrej Lissat
- Department of Pediatric Oncology and Hematology, Charité-Universitätsmedizin Berlin, Berlin, Germany
| | - Georg Seifert
- Department of Pediatric Oncology and Hematology, Charité-Universitätsmedizin Berlin, Berlin, Germany
| | - Angelika Eggert
- Department of Pediatric Oncology and Hematology, Charité-Universitätsmedizin Berlin, Berlin, Germany
| | - Johannes H Schulte
- Department of Pediatric Oncology and Hematology, Charité-Universitätsmedizin Berlin, Berlin, Germany; Deutsches Konsortium für Translationale Krebsforschung, Berlin, Germany; Berlin Institute of Health, Berlin, Germany
| | - Wei Zhang
- Department of Chemistry, UMass Boston, Boston, MA, USA
| | - Anton G Henssen
- Department of Pediatric Oncology and Hematology, Charité-Universitätsmedizin Berlin, Berlin, Germany; Experimental and Clinical Research Center (ECRC) of the Charité and the Max-Delbrück-Center for Molecular Medicine (MDC) in the Helmholtz Association, Berlin, Germany; Deutsches Konsortium für Translationale Krebsforschung, Berlin, Germany; Berlin Institute of Health, Berlin, Germany.
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30
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Ru Q, Xiong Q, Tian X, Chen L, Zhou M, Li Y, Li C. Tea Polyphenols Attenuate Methamphetamine-Induced Neuronal Damage in PC12 Cells by Alleviating Oxidative Stress and Promoting DNA Repair. Front Physiol 2019; 10:1450. [PMID: 31920684 PMCID: PMC6915097 DOI: 10.3389/fphys.2019.01450] [Citation(s) in RCA: 16] [Impact Index Per Article: 3.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/06/2019] [Accepted: 11/08/2019] [Indexed: 01/09/2023] Open
Abstract
DNA integrity plays a crucial role in cell survival. Methamphetamine (METH) is an illegal psychoactive substance that is abused worldwide, and repeated exposure to METH could form mass free radicals and induce neuronal apoptosis. It has been reported that free radicals generated by METH treatment can oxidize DNA and hence produce strand breaks, but whether oxidative DNA damage is involved in the neurotoxicity caused by METH remains unclear. Tea polyphenols exert bioactivities through antioxidant-related mechanisms. However, the potential neuroprotective effect of tea polyphenols on METH-induced nerve cell damage and the underlying mechanism remain to be clarified. In this study, oxidative stress, DNA damage, and cell apoptosis were increased after METH exposure, and the expressions of DNA repair-associated proteins, including the phosphorylation of ataxia telangiectasia mutant (p-ATM) and checkpoint kinase 2 (p-Chk2), significantly declined in PC12 cells after high-dose or long-time METH treatment. Additionally, tea polyphenols could protect PC12 cells against METH-induced cell viability loss, reactive oxide species and nitric oxide production, and mitochondrial dysfunction and suppress METH-induced apoptosis. Furthermore, tea polyphenols could increase the antioxidant capacities and expressions of p-ATM and p-Chk2 and then attenuate DNA damage via activating the DNA repair signaling pathway. These findings indicate that METH is likely to induce neurotoxicity by inducing DNA damage, which can be reversed by tea polyphenols. Supplementation with tea polyphenols could be an effective nutritional prevention strategy for METH-induced neurotoxicity and neurodegenerative disease.
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Affiliation(s)
- Qin Ru
- Wuhan Institutes of Biomedical Sciences, School of Medicine, Jianghan University, Wuhan, China
| | - Qi Xiong
- Wuhan Institutes of Biomedical Sciences, School of Medicine, Jianghan University, Wuhan, China
| | - Xiang Tian
- Wuhan Institutes of Biomedical Sciences, School of Medicine, Jianghan University, Wuhan, China
| | - Lin Chen
- Wuhan Institutes of Biomedical Sciences, School of Medicine, Jianghan University, Wuhan, China
| | - Mei Zhou
- Wuhan Institutes of Biomedical Sciences, School of Medicine, Jianghan University, Wuhan, China
| | - Yi Li
- Department of Psychiatry, Wuhan Mental Health Center, Wuhan, China
| | - Chaoying Li
- Wuhan Institutes of Biomedical Sciences, School of Medicine, Jianghan University, Wuhan, China
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31
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32
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Ortiz MV, Ahmed S, Burns M, Henssen AG, Hollmann TJ, MacArthur I, Gunasekera S, Gaewsky L, Bradwin G, Ryan J, Letai A, He Y, Naranjo A, Chi YY, LaQuaglia M, Heaton T, Cifani P, Dome JS, Gadd S, Perlman E, Mullen E, Steen H, Kentsis A. Prohibitin is a prognostic marker and therapeutic target to block chemotherapy resistance in Wilms' tumor. JCI Insight 2019; 4:127098. [PMID: 31391345 DOI: 10.1172/jci.insight.127098] [Citation(s) in RCA: 19] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/02/2019] [Accepted: 07/09/2019] [Indexed: 01/05/2023] Open
Abstract
Wilms' tumor is the most common type of childhood kidney cancer. To improve risk stratification and identify novel therapeutic targets for patients with Wilms' tumor, we used high-resolution mass spectrometry proteomics to identify urine tumor markers associated with Wilms' tumor relapse. We determined the urine proteomes at diagnosis of 49 patients with Wilms' tumor, non-Wilms' tumor renal tumors, and age-matched controls, leading to the quantitation of 6520 urine proteins. Supervised analysis revealed specific urine markers of renal rhabdoid tumors, kidney clear cell sarcomas, renal cell carcinomas as well as those detected in patients with cured and relapsed Wilms' tumor. In particular, urine prohibitin was significantly elevated at diagnosis in patients with relapsed as compared with cured Wilms' tumor. In a validation cohort of 139 patients, a specific urine prohibitin ELISA demonstrated that prohibitin concentrations greater than 998 ng/mL at diagnosis were significantly associated with ultimate Wilms' tumor relapse. Immunohistochemical analysis revealed that prohibitin was highly expressed in primary Wilms' tumor specimens and associated with disease stage. Using functional genetic experiments, we found that prohibitin was required for the growth and survival of Wilms' tumor cells. Overexpression of prohibitin was sufficient to block intrinsic mitochondrial apoptosis and to cause resistance to diverse chemotherapy drugs, at least in part by dysregulating factors that control apoptotic cytochrome c release from mitochondrial cristae. Thus, urine prohibitin may improve therapy stratification, noninvasive monitoring of treatment response, and early disease detection. In addition, therapeutic targeting of chemotherapy resistance induced by prohibitin dysregulation may offer improved therapies for patients with Wilms' and other relapsed or refractory tumors.
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Affiliation(s)
- Michael V Ortiz
- Department of Pediatrics, Memorial Sloan Kettering Cancer Center, New York, New York, USA
| | - Saima Ahmed
- Department of Pathology, Boston Children's Hospital, Boston, Massachusetts, USA
| | - Melissa Burns
- Dana-Farber Cancer Institute, Boston, Massachusetts, USA
| | - Anton G Henssen
- Department of Pediatrics, Memorial Sloan Kettering Cancer Center, New York, New York, USA
| | - Travis J Hollmann
- Department of Pathology, Memorial Sloan Kettering Cancer Center, New York, New York, USA
| | - Ian MacArthur
- Department of Pediatrics, Memorial Sloan Kettering Cancer Center, New York, New York, USA
| | - Shehana Gunasekera
- Department of Pediatrics, Memorial Sloan Kettering Cancer Center, New York, New York, USA
| | - Lyvia Gaewsky
- Department of Laboratory Medicine, Boston Children's Hospital, Boston, Massachusetts, USA
| | - Gary Bradwin
- Department of Laboratory Medicine, Boston Children's Hospital, Boston, Massachusetts, USA
| | - Jeremy Ryan
- Dana-Farber Cancer Institute, Boston, Massachusetts, USA
| | - Anthony Letai
- Dana-Farber Cancer Institute, Boston, Massachusetts, USA
| | - Ying He
- Children's Oncology Group Statistics and Data Center, Department of Biostatistics, University of Florida, Gainesville, Florida, USA
| | - Arlene Naranjo
- Children's Oncology Group Statistics and Data Center, Department of Biostatistics, University of Florida, Gainesville, Florida, USA
| | - Yueh-Yun Chi
- Children's Oncology Group Statistics and Data Center, Department of Biostatistics, University of Florida, Gainesville, Florida, USA
| | - Michael LaQuaglia
- Department of Pediatrics, Memorial Sloan Kettering Cancer Center, New York, New York, USA.,Department of Surgery, Memorial Sloan Kettering Cancer Center, New York, New York, USA
| | - Todd Heaton
- Department of Pediatrics, Memorial Sloan Kettering Cancer Center, New York, New York, USA.,Department of Surgery, Memorial Sloan Kettering Cancer Center, New York, New York, USA
| | - Paolo Cifani
- Molecular Pharmacology Program, Sloan Kettering Institute, Memorial Sloan Kettering Cancer Center, New York, New York, USA
| | - Jeffrey S Dome
- Center for Cancer and Blood Disorders, Children's National Health System, Washington, DC, USA
| | - Samantha Gadd
- Department of Pathology, Ann & Robert H. Lurie Children's Hospital of Chicago, Chicago, Illinois, USA
| | - Elizabeth Perlman
- Department of Pathology, Ann & Robert H. Lurie Children's Hospital of Chicago, Chicago, Illinois, USA
| | | | - Hanno Steen
- Department of Pathology, Boston Children's Hospital, Boston, Massachusetts, USA
| | - Alex Kentsis
- Department of Pediatrics, Memorial Sloan Kettering Cancer Center, New York, New York, USA.,Molecular Pharmacology Program, Sloan Kettering Institute, Memorial Sloan Kettering Cancer Center, New York, New York, USA.,Departments of Pediatrics, Pharmacology, and Physiology & Biophysics, Weill Cornell Medical College, Cornell University, New York, New York, USA
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33
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Goundry WRF, Dai K, Gonzalez M, Legg D, O’Kearney-McMullan A, Morrison J, Stark A, Siedlecki P, Tomlin P, Yang J. Development and Scale-up of a Route to ATR Inhibitor AZD6738. Org Process Res Dev 2019. [DOI: 10.1021/acs.oprd.9b00075] [Citation(s) in RCA: 22] [Impact Index Per Article: 4.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/17/2022]
Affiliation(s)
- William R. F. Goundry
- Pharmaceutical Sciences, IMED Biotech Unit, AstraZeneca, Macclesfield SK102NA, United Kingdom
| | - Kuangchu Dai
- Changzhou SynTheAll Pharmaceutical Co. Ltd, No 589, North Yulong Road, Chunjiang Town, Xinbei
District, Changzhou 213127, Jiangsu P. R. China
| | - Miguel Gonzalez
- Asymchem Laboratories (Tianjin) Co. Ltd, No. 6 Dongting, Third Avenue, TEDA, Tianjin, 300457, P. R. China
| | - Daniel Legg
- Pharmaceutical Sciences, IMED Biotech Unit, AstraZeneca, Macclesfield SK102NA, United Kingdom
| | - Anne O’Kearney-McMullan
- Pharmaceutical Technology and Development, Operations, AstraZeneca, Macclesfield SK102NA, United Kingdom
| | - James Morrison
- Pharmaceutical Sciences, IMED Biotech Unit, AstraZeneca, Macclesfield SK102NA, United Kingdom
| | - Andrew Stark
- Pharmaceutical Sciences, IMED Biotech Unit, AstraZeneca, Macclesfield SK102NA, United Kingdom
| | - Paul Siedlecki
- Pharmaceutical Technology and Development, Operations, AstraZeneca, Macclesfield SK102NA, United Kingdom
| | - Paula Tomlin
- Pharmaceutical Technology and Development, Operations, AstraZeneca, Macclesfield SK102NA, United Kingdom
| | - Jianbo Yang
- Asymchem Laboratories (Tianjin) Co. Ltd, No. 6 Dongting, Third Avenue, TEDA, Tianjin, 300457, P. R. China
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Han Y, Lindner S, Bei Y, Garcia HD, Timme N, Althoff K, Odersky A, Schramm A, Lissat A, Künkele A, Deubzer HE, Eggert A, Schulte JH, Henssen AG. Synergistic activity of BET inhibitor MK-8628 and PLK inhibitor Volasertib in preclinical models of medulloblastoma. Cancer Lett 2019; 445:24-33. [PMID: 30611741 DOI: 10.1016/j.canlet.2018.12.012] [Citation(s) in RCA: 22] [Impact Index Per Article: 4.4] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/02/2018] [Revised: 12/05/2018] [Accepted: 12/11/2018] [Indexed: 11/20/2022]
Abstract
Medulloblastoma is the most prevalent central nervous system tumor in children. Targeted treatment approaches for patients with high-risk medulloblastoma are needed as current treatment regimens are not curative in many cases and cause significant therapy-related morbidity. Medulloblastoma harboring MYC amplification have the most aggressive clinical course and worst outcome. Targeting the BET protein BRD4 has significant anti-tumor effects in preclinical models of MYC-amplified medulloblastoma, however, in most cases these are not curative. We here assessed the therapeutic efficacy of the orally bioavailable BRD4 inhibitor, MK-8628, in preclinical models of medulloblastoma. MK-8628 showed therapeutic efficacy against in vitro and in vivo models of MYC-amplified medulloblastoma by inducing apoptotic cell death and cell cycle arrest. Gene expression analysis of cells treated with MK-8628 showed that anti-tumor effects were accompanied by significant repression of MYC transcription as well as disruption of MYC-regulated transcriptional programs. Additionally, we found that targeting of MYC protein stability through pharmacological PLK1 inhibition showed synergistic anti-medulloblastoma effects when combined with MK-8628 treatment. Thus, MK-8628 is effective against preclinical high-risk medulloblastoma models and its effects can be enhanced through simultaneous targeting of PLK1.
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Affiliation(s)
- Youjia Han
- Department of Pediatric Oncology/Hematology, Charité-Universitätsmedizin Berlin, Germany
| | - Sven Lindner
- Department of Pediatric Oncology and Hematology, University Children's Hospital Essen, Essen, Germany
| | - Yi Bei
- Department of Pediatric Oncology/Hematology, Charité-Universitätsmedizin Berlin, Germany
| | | | - Natalie Timme
- Department of Pediatric Oncology/Hematology, Charité-Universitätsmedizin Berlin, Germany
| | - Kristina Althoff
- Department of Pediatric Oncology and Hematology, University Children's Hospital Essen, Essen, Germany
| | - Andrea Odersky
- Department of Pediatric Oncology and Hematology, University Children's Hospital Essen, Essen, Germany
| | - Alexander Schramm
- Department of Pediatric Oncology and Hematology, University Children's Hospital Essen, Essen, Germany
| | - Andrej Lissat
- Department of Pediatric Oncology/Hematology, Charité-Universitätsmedizin Berlin, Germany
| | - Annette Künkele
- Department of Pediatric Oncology/Hematology, Charité-Universitätsmedizin Berlin, Germany; German Consortium for Translational Cancer Research (DKTK), Berlin, Germany; Berlin Institute of Health (BIH), Berlin, Germany
| | - Hedwig E Deubzer
- Department of Pediatric Oncology/Hematology, Charité-Universitätsmedizin Berlin, Germany; German Consortium for Translational Cancer Research (DKTK), Berlin, Germany; Berlin Institute of Health (BIH), Berlin, Germany; Experimental and Clinical Research Center (ECRC) of the Charité and the Max-Delbrück-Center for Molecular Medicine (MDC) in the Helmholtz Association, Berlin, Germany
| | - Angelika Eggert
- Department of Pediatric Oncology/Hematology, Charité-Universitätsmedizin Berlin, Germany; German Consortium for Translational Cancer Research (DKTK), Berlin, Germany
| | - Johannes H Schulte
- Department of Pediatric Oncology/Hematology, Charité-Universitätsmedizin Berlin, Germany; German Consortium for Translational Cancer Research (DKTK), Berlin, Germany
| | - Anton G Henssen
- Department of Pediatric Oncology/Hematology, Charité-Universitätsmedizin Berlin, Germany; German Consortium for Translational Cancer Research (DKTK), Berlin, Germany; Berlin Institute of Health (BIH), Berlin, Germany.
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35
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Henssen AG, Kentsis A. Emerging functions of DNA transposases and oncogenic mutators in childhood cancer development. JCI Insight 2018; 3:123172. [PMID: 30333322 DOI: 10.1172/jci.insight.123172] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/17/2022] Open
Abstract
Our understanding of the molecular pathogenesis of childhood cancers has advanced substantially, but their fundamental causes remain poorly understood. Recently, multiple mechanisms of DNA damage and repair have been associated with mutations observed in human cancers. Here, we review the physiologic functions and oncogenic activities of transposable genetic elements. In particular, we focus on the recent studies implicating DNA transposases RAG1/2 and PGBD5 as oncogenic mutators that promote genomic rearrangements in childhood leukemias and solid tumors. We outline future studies that will be needed to define the contributions of transposons to mutational processes that become dysregulated in cancer cells. In addition, we discuss translational approaches, including synthetic lethal strategies, for identifying and developing improved clinical therapies to target oncogenic transposons and transposases.
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Affiliation(s)
- Anton G Henssen
- Department of Pediatric Oncology/Hematology, Charité-Universitätsmedizin, Berlin, Germany.,German Cancer Consortium, Berlin, Germany.,Berlin Institute of Health, Berlin, Germany
| | - Alex Kentsis
- Departments of Pediatrics, Pharmacology, and Physiology and Biophysics, Weill Medical College of Cornell University, New York, New York, USA.,Sloan Kettering Institute, Department of Pediatrics, Memorial Sloan Kettering Cancer Center, New York, New York, USA
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Koppenhafer SL, Goss KL, Terry WW, Gordon DJ. mTORC1/2 and Protein Translation Regulate Levels of CHK1 and the Sensitivity to CHK1 Inhibitors in Ewing Sarcoma Cells. Mol Cancer Ther 2018; 17:2676-2688. [PMID: 30282812 DOI: 10.1158/1535-7163.mct-18-0260] [Citation(s) in RCA: 24] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/09/2018] [Revised: 06/04/2018] [Accepted: 09/28/2018] [Indexed: 12/12/2022]
Abstract
The treatment of Ewing sarcoma has changed very little in the past two decades and novel treatment approaches are needed. We recently identified that Ewing sarcoma cells are uniquely vulnerable to inhibitors of ribonucleotide reductase (RNR), the rate-limiting enzyme in the synthesis of deoxyribonucleotides. We subsequently found that the inhibition of checkpoint kinase 1 (CHK1) increases the sensitivity of Ewing sarcoma cells to inhibitors of RNR, such as gemcitabine. However, Ewing sarcoma cells exhibit high levels of the CHK1 protein, which may represent an adaptive response to elevated levels of endogenous DNA replication stress. Consequently, we began this work with the aim of determining the impact of CHK1 levels on drug sensitivity, as well as identifying the mechanisms and pathways that regulate CHK1 levels in Ewing sarcoma cells. In this report, we show that the high levels of the CHK1 protein in Ewing sarcoma cells limit the efficacy of CHK1 inhibitors. However, inhibition of mTORC1/2 activates the translational repressor 4E-BP1, reduces protein synthesis, and decreases levels of the CHK1 protein in Ewing sarcoma cells. Similarly, we identified that the CHK1 inhibitor prexasertib also activates 4E-BP1, inhibits protein synthesis, and reduces CHK1 protein levels in Ewing sarcoma cells. Moreover, the combination of prexasertib and gemcitabine was synergistic in vitro, caused tumor regression in vivo, and significantly prolonged mouse survival in a Ewing sarcoma xenograft experiment. Overall, our results provide insight into Ewing sarcoma biology and support further investigation of the CHK1 pathway as a therapeutic target in Ewing sarcoma tumors.
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Affiliation(s)
- Stacia L Koppenhafer
- Department of Pediatrics, Division of Pediatric Hematology/Oncology, University of Iowa, Iowa City, Iowa
| | - Kelli L Goss
- Department of Pediatrics, Division of Pediatric Hematology/Oncology, University of Iowa, Iowa City, Iowa
| | - William W Terry
- Department of Pediatrics, Division of Pediatric Hematology/Oncology, University of Iowa, Iowa City, Iowa
| | - David J Gordon
- Department of Pediatrics, Division of Pediatric Hematology/Oncology, University of Iowa, Iowa City, Iowa.
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ATM inhibition induces synthetic lethality and enhances sensitivity of PTEN-deficient breast cancer cells to cisplatin. Exp Cell Res 2018. [PMID: 29522753 DOI: 10.1016/j.yexcr.2018.03.006] [Citation(s) in RCA: 19] [Impact Index Per Article: 3.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/05/2023]
Abstract
PTEN deficiency often causes defects in DNA damage repair. Currently, effective therapies for breast cancer are lacking. ATM is an attractive target for cancer treatment. Previous studies suggested a synthetic lethality between PTEN and PARP. However, the synthetically lethal interaction between PTEN and ATM in breast cancer has not been reported. Moreover, the mechanism remains elusive. Here, using KU-60019, an ATM kinase inhibitor, we investigated ATM inhibition as a synthetically lethal strategy to target breast cancer cells with PTEN defects. We found that KU-60019 preferentially sensitizes PTEN-deficient MDA-MB-468 breast cancer cells to cisplatin, though it also slightly enhances sensitivity of PTEN wild-type breast cancer cells. The increased cytotoxic sensitivity is associated with apoptosis, as evidenced by flow cytometry and PARP cleavage. Additionally, the increase of DNA damage accumulation due to the decreased capability of DNA repair, as indicated by γ-H2AX and Rad51 foci, also contributed to this selective cytotoxicity. Mechanistically, compared with PTEN wild-type MDA-MB-231 cells, PTEN-deficient MDA-MB-468 cells have lower level of Rad51, higher ATM kinase activity, and display the elevated level of DNA damage. Moreover, these differences could be further enlarged by cisplatin. Our findings suggest that ATM is a promising target for PTEN-defective breast cancer.
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Mathur R, Roberts CW. SWI/SNF (BAF) Complexes: Guardians of the Epigenome. ANNUAL REVIEW OF CANCER BIOLOGY-SERIES 2018. [DOI: 10.1146/annurev-cancerbio-030617-050151] [Citation(s) in RCA: 22] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/09/2022]
Affiliation(s)
- Radhika Mathur
- Program in Biological and Biomedical Sciences, Harvard Medical School, Boston, Massachusetts 02215, USA
- Department of Pediatric Oncology, Dana-Farber Cancer Institute, Boston, Massachusetts 02215, USA
| | - Charles W.M. Roberts
- Department of Oncology and Comprehensive Cancer Center, St. Jude Children's Research Hospital, Memphis, Tennessee 38105, USA
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Crunkhorn S. Inhibiting DNA damage signalling. Nat Rev Drug Discov 2018; 17:18. [DOI: 10.1038/nrd.2017.261] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/09/2022]
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Ferrarelli LK. Papers of note in
Science Translational Medicine
9
(414). Sci Signal 2017. [DOI: 10.1126/scisignal.aar3827] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/02/2022]
Abstract
This week’s articles describe new ways to treat some types of GI cancer and various childhood solid tumors.
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