1
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Volz C, Breid S, Selenz C, Zaplatina A, Golfmann K, Meder L, Dietlein F, Borchmann S, Chatterjee S, Siobal M, Schöttle J, Florin A, Koker M, Nill M, Ozretić L, Uhlenbrock N, Smith S, Büttner R, Miao H, Wang B, Reinhardt HC, Rauh D, Hallek M, Acker-Palmer A, Heukamp LC, Ullrich RT. Inhibition of Tumor VEGFR2 Induces Serine 897 EphA2-Dependent Tumor Cell Invasion and Metastasis in NSCLC. Cell Rep 2021; 31:107568. [PMID: 32348765 DOI: 10.1016/j.celrep.2020.107568] [Citation(s) in RCA: 9] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/04/2019] [Revised: 03/11/2020] [Accepted: 04/03/2020] [Indexed: 01/01/2023] Open
Abstract
Anti-angiogenic treatment targeting vascular endothelial growth factor (VEGF)-VEGFR2 signaling has shown limited efficacy in lung cancer patients. Here, we demonstrate that inhibition of VEGFR2 in tumor cells, expressed in ∼20% of non-squamous non-small cell lung cancer (NSCLC) patients, leads to a pro-invasive phenotype. Drug-induced inhibition of tumor VEGFR2 interferes with the formation of the EphA2/VEGFR2 heterocomplex, thereby allowing RSK to interact with Serine 897 of EphA2. Inhibition of RSK decreases phosphorylation of Serine 897 EphA2. Selective genetic modeling of Serine 897 of EphA2 or inhibition of EphA2 abrogates the formation of metastases in vivo upon VEGFR2 inhibition. In summary, these findings demonstrate that VEGFR2-targeted therapy conditions VEGFR2-positive NSCLC to Serine 897 EphA2-dependent aggressive tumor growth and metastasis. These data shed light on the molecular mechanisms explaining the limited efficacy of VEGFR2-targeted anti-angiogenic treatment in lung cancer patients.
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Affiliation(s)
- Caroline Volz
- Department I of Internal Medicine, Center for Integrated Oncology Aachen Bonn Cologne Duesseldorf, University of Cologne, Cologne, Germany; Center for Molecular Medicine, Cologne, Germany
| | - Sara Breid
- Department I of Internal Medicine, Center for Integrated Oncology Aachen Bonn Cologne Duesseldorf, University of Cologne, Cologne, Germany; Center for Molecular Medicine, Cologne, Germany
| | - Carolin Selenz
- Department I of Internal Medicine, Center for Integrated Oncology Aachen Bonn Cologne Duesseldorf, University of Cologne, Cologne, Germany; Center for Molecular Medicine, Cologne, Germany
| | - Alina Zaplatina
- Department I of Internal Medicine, Center for Integrated Oncology Aachen Bonn Cologne Duesseldorf, University of Cologne, Cologne, Germany; Center for Molecular Medicine, Cologne, Germany
| | - Kristina Golfmann
- Department I of Internal Medicine, Center for Integrated Oncology Aachen Bonn Cologne Duesseldorf, University of Cologne, Cologne, Germany; Center for Molecular Medicine, Cologne, Germany
| | - Lydia Meder
- Department I of Internal Medicine, Center for Integrated Oncology Aachen Bonn Cologne Duesseldorf, University of Cologne, Cologne, Germany; Center for Molecular Medicine, Cologne, Germany
| | - Felix Dietlein
- Department I of Internal Medicine, Center for Integrated Oncology Aachen Bonn Cologne Duesseldorf, University of Cologne, Cologne, Germany; Department of Medical Oncology, Dana-Farber Cancer Institute, Boston, MA, USA; Cancer Program, Broad Institute of MIT and Harvard, US Institute for Pathology, Cambridge, MA, USA
| | - Sven Borchmann
- Department I of Internal Medicine, Center for Integrated Oncology Aachen Bonn Cologne Duesseldorf, University of Cologne, Cologne, Germany; Center for Molecular Medicine, Cologne, Germany; University of Cologne, Department I of Internal Medicine, German Hodgkin Study Group (GHSG), Cologne, Germany; University of Cologne, Department I of Internal Medicine, Else Kröner Forschungskolleg Clonal Evolution in Cancer, Cologne, Germany
| | - Sampurna Chatterjee
- Department I of Internal Medicine, Center for Integrated Oncology Aachen Bonn Cologne Duesseldorf, University of Cologne, Cologne, Germany
| | - Maike Siobal
- Department I of Internal Medicine, Center for Integrated Oncology Aachen Bonn Cologne Duesseldorf, University of Cologne, Cologne, Germany
| | - Jakob Schöttle
- Department I of Internal Medicine, Center for Integrated Oncology Aachen Bonn Cologne Duesseldorf, University of Cologne, Cologne, Germany; Department of Translational Genomics, University of Cologne, Medical Faculty, Cologne, Germany
| | - Alexandra Florin
- Institute of Pathology, University Hospital Medical School, Cologne, Germany
| | - Mirjam Koker
- Department I of Internal Medicine, Center for Integrated Oncology Aachen Bonn Cologne Duesseldorf, University of Cologne, Cologne, Germany; Center for Molecular Medicine, Cologne, Germany
| | - Marieke Nill
- Department I of Internal Medicine, Center for Integrated Oncology Aachen Bonn Cologne Duesseldorf, University of Cologne, Cologne, Germany; Center for Molecular Medicine, Cologne, Germany
| | - Luka Ozretić
- Department of Cellular Pathology, Royal Free Hospital, London NW3 2QG, UK
| | - Niklas Uhlenbrock
- Faculty of Chemistry and Chemical Biology, TU Dortmund University, Dortmund, Germany
| | - Steven Smith
- Faculty of Chemistry and Chemical Biology, TU Dortmund University, Dortmund, Germany
| | - Reinhard Büttner
- Institute of Pathology, University Hospital Medical School, Cologne, Germany
| | - Hui Miao
- Rammelkamp Center for Research, MetroHealth Medical Center, Case Western Reserve University School of Medicine, Cleveland, OH, USA; Department of Pharmacology and Oncology, Case Western Reserve University School of Medicine, Cleveland, OH, USA
| | - Bingcheng Wang
- Rammelkamp Center for Research, MetroHealth Medical Center, Case Western Reserve University School of Medicine, Cleveland, OH, USA; Department of Pharmacology and Oncology, Case Western Reserve University School of Medicine, Cleveland, OH, USA
| | - H Christian Reinhardt
- Department I of Internal Medicine, Center for Integrated Oncology Aachen Bonn Cologne Duesseldorf, University of Cologne, Cologne, Germany; Center for Molecular Medicine, Cologne, Germany
| | - Daniel Rauh
- Faculty of Chemistry and Chemical Biology, TU Dortmund University, Dortmund, Germany
| | - Michael Hallek
- Department I of Internal Medicine, Center for Integrated Oncology Aachen Bonn Cologne Duesseldorf, University of Cologne, Cologne, Germany
| | - Amparo Acker-Palmer
- Institute for Cell Biology and Neuroscience, University of Frankfurt, Frankfurt, Germany
| | | | - Roland T Ullrich
- Department I of Internal Medicine, Center for Integrated Oncology Aachen Bonn Cologne Duesseldorf, University of Cologne, Cologne, Germany; Center for Molecular Medicine, Cologne, Germany.
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2
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Meder L, Florin A, Ozretić L, Nill M, Koker M, Meemboor S, Radtke F, Diehl L, Ullrich RT, Odenthal M, Büttner R, Heukamp LC. Notch1 Deficiency Induces Tumor Cell Accumulation Inside the Bronchiolar Lumen and Increases TAZ Expression in an Autochthonous Kras LSL-G12V Driven Lung Cancer Mouse Model. Pathol Oncol Res 2021; 27:596522. [PMID: 34257546 PMCID: PMC8262161 DOI: 10.3389/pore.2021.596522] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 08/19/2020] [Accepted: 02/11/2021] [Indexed: 01/15/2023]
Abstract
Purpose: Abrogation of Notch signaling, which is pivotal for lung development and pulmonary epithelial cell fate decisions was shown to be involved in the aggressiveness and the differentiation of lung carcinomas. Additionally, the transcription factors YAP and TAZ which are involved in the Hippo pathway, were recently shown to be tightly linked with Notch signaling and to regulate the cell fate in epidermal stem cells. Thus, we aim to elucidate the effects of conditional Notch1 deficiency on carcinogenesis and TAZ expression in lung cancer. Methods: We investigated the effect of conditional Cre-recombinase mediated Notch1 knock-out on lung cancer cells in vivo using an autochthonous mouse model of lung adenocarcinomas driven by Kras LSL-G12V and comprehensive immunohistochemical analysis. In addition, we analyzed clinical samples and human lung cancer cell lines for TAZ expression and supported our findings by publicly available data from The Cancer Genome Atlas (TCGA). Results: In mice, we found induction of papillary adenocarcinomas and protrusions of tumor cells from the bronchiolar lining upon Notch1 deficiency. Moreover, the mutated Kras driven lung tumors with deleted Notch1 showed increased TAZ expression and focal nuclear translocation which was frequently observed in human pulmonary adenocarcinomas and squamous cell carcinomas of the lung, but not in small cell lung carcinomas. In addition, we used data from TCGA to show that putative inactivating NOTCH1 mutations co-occur with KRAS mutations and genomic amplifications in lung adenocarcinomas. Conclusion: Our in vivo study provides evidence that Notch1 deficiency in mutated Kras driven lung carcinomas contributes to lung carcinogenesis in a subgroup of patients by increasing TAZ expression who might benefit from TAZ signaling blockade.
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Affiliation(s)
- Lydia Meder
- Department I of Internal Medicine, University Hospital Cologne, Cologne, Germany.,Center for Molecular Medicine Cologne, University of Cologne, Cologne, Germany
| | - Alexandra Florin
- Institute for Pathology, University Hospital Cologne, Cologne, Germany
| | - Luka Ozretić
- Department of Cellular Pathology, Royal Free Hospital, London, United Kingdom
| | - Marieke Nill
- Department I of Internal Medicine, University Hospital Cologne, Cologne, Germany.,Center for Molecular Medicine Cologne, University of Cologne, Cologne, Germany
| | - Mirjam Koker
- Department I of Internal Medicine, University Hospital Cologne, Cologne, Germany.,Center for Molecular Medicine Cologne, University of Cologne, Cologne, Germany
| | - Sonja Meemboor
- Institute for Pathology, University Hospital Cologne, Cologne, Germany
| | - Freddy Radtke
- École Polytechnique Fédérale de Lausanne, Swiss Institute for Experimental Cancer Research Lausanne, Switzerland
| | - Linda Diehl
- Institute of Experimental Immunology and Hepatology, University Medical Center Hamburg-Eppendorf, Hamburg, Germany
| | - Roland T Ullrich
- Department I of Internal Medicine, University Hospital Cologne, Cologne, Germany.,Center for Molecular Medicine Cologne, University of Cologne, Cologne, Germany
| | - Margarete Odenthal
- Center for Molecular Medicine Cologne, University of Cologne, Cologne, Germany.,Institute for Pathology, University Hospital Cologne, Cologne, Germany
| | - Reinhard Büttner
- Center for Molecular Medicine Cologne, University of Cologne, Cologne, Germany.,Institute for Pathology, University Hospital Cologne, Cologne, Germany
| | - Lukas C Heukamp
- Institute for Hematopathology Hamburg, Hamburg, Germany.,Lungen Netzwerk NOWEL, Oldenburg, Germany
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3
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Zirkel A, Nikolic M, Sofiadis K, Mallm JP, Brackley CA, Gothe H, Drechsel O, Becker C, Altmüller J, Josipovic N, Georgomanolis T, Brant L, Franzen J, Koker M, Gusmao EG, Costa IG, Ullrich RT, Wagner W, Roukos V, Nürnberg P, Marenduzzo D, Rippe K, Papantonis A. HMGB2 Loss upon Senescence Entry Disrupts Genomic Organization and Induces CTCF Clustering across Cell Types. Mol Cell 2018; 70:730-744.e6. [PMID: 29706538 DOI: 10.1016/j.molcel.2018.03.030] [Citation(s) in RCA: 117] [Impact Index Per Article: 19.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/14/2017] [Revised: 02/19/2018] [Accepted: 03/25/2018] [Indexed: 11/30/2022]
Abstract
Processes like cellular senescence are characterized by complex events giving rise to heterogeneous cell populations. However, the early molecular events driving this cascade remain elusive. We hypothesized that senescence entry is triggered by an early disruption of the cells' three-dimensional (3D) genome organization. To test this, we combined Hi-C, single-cell and population transcriptomics, imaging, and in silico modeling of three distinct cells types entering senescence. Genes involved in DNA conformation maintenance are suppressed upon senescence entry across all cell types. We show that nuclear depletion of the abundant HMGB2 protein occurs early on the path to senescence and coincides with the dramatic spatial clustering of CTCF. Knocking down HMGB2 suffices for senescence-induced CTCF clustering and for loop reshuffling, while ectopically expressing HMGB2 rescues these effects. Our data suggest that HMGB2-mediated genomic reorganization constitutes a primer for the ensuing senescent program.
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Affiliation(s)
- Anne Zirkel
- Center for Molecular Medicine Cologne, University of Cologne, 50931 Cologne, Germany
| | - Milos Nikolic
- Center for Molecular Medicine Cologne, University of Cologne, 50931 Cologne, Germany
| | - Konstantinos Sofiadis
- Center for Molecular Medicine Cologne, University of Cologne, 50931 Cologne, Germany
| | - Jan-Philipp Mallm
- German Cancer Research Center and Bioquant, 69120 Heidelberg, Germany
| | - Chris A Brackley
- School of Physics and Astronomy, University of Edinburgh, EH9 3FD Edinburgh, UK
| | - Henrike Gothe
- Institute of Molecular Biology, 55128 Mainz, Germany
| | | | - Christian Becker
- Cologne Center for Genomics, University of Cologne, 50931 Cologne, Germany
| | - Janine Altmüller
- Center for Molecular Medicine Cologne, University of Cologne, 50931 Cologne, Germany; Cologne Center for Genomics, University of Cologne, 50931 Cologne, Germany
| | - Natasa Josipovic
- Center for Molecular Medicine Cologne, University of Cologne, 50931 Cologne, Germany
| | | | - Lilija Brant
- Center for Molecular Medicine Cologne, University of Cologne, 50931 Cologne, Germany
| | - Julia Franzen
- Helmholtz Institute for Biomedical Engineering, RWTH Aachen University Medical School, 52074 Aachen, Germany
| | - Mirjam Koker
- Clinic I of Internal Medicine and Center for Integrated Oncology, University Hospital Cologne, 50931 Cologne, Germany
| | - Eduardo G Gusmao
- Center for Molecular Medicine Cologne, University of Cologne, 50931 Cologne, Germany; Interdisciplinary Centre for Clinical Research, RWTH Aachen University Medical School, 52062 Aachen, Germany
| | - Ivan G Costa
- Interdisciplinary Centre for Clinical Research, RWTH Aachen University Medical School, 52062 Aachen, Germany
| | - Roland T Ullrich
- Center for Molecular Medicine Cologne, University of Cologne, 50931 Cologne, Germany; Clinic I of Internal Medicine and Center for Integrated Oncology, University Hospital Cologne, 50931 Cologne, Germany
| | - Wolfgang Wagner
- Helmholtz Institute for Biomedical Engineering, RWTH Aachen University Medical School, 52074 Aachen, Germany
| | | | - Peter Nürnberg
- Center for Molecular Medicine Cologne, University of Cologne, 50931 Cologne, Germany; Cologne Center for Genomics, University of Cologne, 50931 Cologne, Germany; Cologne Excellence Cluster on Cellular Stress Responses in Aging-Associated Diseases (CECAD), University of Cologne, 50931 Cologne, Germany
| | - Davide Marenduzzo
- School of Physics and Astronomy, University of Edinburgh, EH9 3FD Edinburgh, UK
| | - Karsten Rippe
- German Cancer Research Center and Bioquant, 69120 Heidelberg, Germany
| | - Argyris Papantonis
- Center for Molecular Medicine Cologne, University of Cologne, 50931 Cologne, Germany.
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4
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Meder L, König K, Dietlein F, Macheleidt I, Florin A, Ercanoglu MS, Rommerscheidt-Fuss U, Koker M, Schön G, Odenthal M, Klein F, Büttner R, Schulte JH, Heukamp LC, Ullrich RT. LIN28B enhanced tumorigenesis in an autochthonous KRAS G12V-driven lung carcinoma mouse model. Oncogene 2018; 37:2746-2756. [PMID: 29503447 DOI: 10.1038/s41388-018-0158-7] [Citation(s) in RCA: 14] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/08/2017] [Revised: 11/21/2017] [Accepted: 01/10/2018] [Indexed: 12/30/2022]
Abstract
LIN28B is a RNA-binding protein regulating predominantly let-7 microRNAs with essential functions in inflammation, wound healing, embryonic stem cells, and cancer. LIN28B expression is associated with tumor initiation, progression, resistance, and poor outcome in several solid cancers, including lung cancer. However, the functional role of LIN28B, especially in non-small cell lung adenocarcinomas, remains elusive. Here, we investigated the effects of LIN28B expression on lung tumorigenesis using LIN28B transgenic overexpression in an autochthonous KRASG12V-driven mouse model. We found that LIN28B overexpression significantly increased the number of CD44+/CD326+ tumor cells, upregulated VEGF-A and miR-21 and promoted tumor angiogenesis and epithelial-to-mesenchymal transition (EMT) accompanied by enhanced AKT phosphorylation and nuclear translocation of c-MYC. Moreover, LIN28B accelerated tumor initiation and enhanced proliferation which led to a shortened overall survival. In addition, we analyzed lung adenocarcinomas of the Cancer Genome Atlas (TCGA) and found LIN28B expression in 24% of KRAS-mutated cases, which underscore the relevance of our model.
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Affiliation(s)
- Lydia Meder
- Department I of Internal Medicine, University Hospital Cologne, Kerpener Straße 62, Cologne, 50937, Germany. .,Center for Molecular Medicine Cologne, University of Cologne, Robert-Koch Straße 21, Cologne, 50931, Germany.
| | - Katharina König
- Labor Dr. Quade und Kollegen GmbH, Aachener Straße 338, Cologne, 50933, Germany
| | - Felix Dietlein
- Department of Medical Oncology, Dana-Faber Cancer Institute, Boston, MA, 02215, USA.,Cancer Program, Broad Institute of MIT and Havard, Cambridge, MA, 02142, USA
| | - Iris Macheleidt
- Institute for Pathology, University Hospital Cologne, Kerpener Straße 62, Cologne, 50937, Germany
| | - Alexandra Florin
- Institute for Pathology, University Hospital Cologne, Kerpener Straße 62, Cologne, 50937, Germany
| | - Meryem S Ercanoglu
- Institute of Virology, Laboratory of Experimental Immunology, University of Cologne, Robert-Koch Straße 21, Cologne, 50931, Germany
| | | | - Mirjam Koker
- Department I of Internal Medicine, University Hospital Cologne, Kerpener Straße 62, Cologne, 50937, Germany.,Center for Molecular Medicine Cologne, University of Cologne, Robert-Koch Straße 21, Cologne, 50931, Germany
| | - Gisela Schön
- Department I of Internal Medicine, University Hospital Cologne, Kerpener Straße 62, Cologne, 50937, Germany.,Center for Molecular Medicine Cologne, University of Cologne, Robert-Koch Straße 21, Cologne, 50931, Germany
| | - Margarete Odenthal
- Center for Molecular Medicine Cologne, University of Cologne, Robert-Koch Straße 21, Cologne, 50931, Germany.,Institute for Pathology, University Hospital Cologne, Kerpener Straße 62, Cologne, 50937, Germany
| | - Florian Klein
- Institute of Virology, Laboratory of Experimental Immunology, University of Cologne, Robert-Koch Straße 21, Cologne, 50931, Germany
| | - Reinhard Büttner
- Center for Molecular Medicine Cologne, University of Cologne, Robert-Koch Straße 21, Cologne, 50931, Germany.,Institute for Pathology, University Hospital Cologne, Kerpener Straße 62, Cologne, 50937, Germany.,Center for Integrated Oncology Cologne/Bonn, University Hospital Cologne, Kerpener Straße 62, Cologne, 50937, Germany
| | - Johannes H Schulte
- Department of Pediatric Oncology/Hematology, Charité-Universitätsmedizin Berlin, Augustenburger Platz 1, Berlin, 13353, Germany.,German Cancer Consortium (DKTK Berlin), Berlin, Germany.,Berlin Institute of Health (BIH), Berlin, Germany.,Deutsches Krebsforschungszentrum Heidelberg (DKFZ), Heidelberg, Germany
| | - Lukas C Heukamp
- New Oncology, Gottfried-Hagen-Straße 20, 51105, Cologne, Germany.,Institute for Hematopathology Hamburg, Fangdieckstraße 75a, Hamburg, Germany
| | - Roland T Ullrich
- Department I of Internal Medicine, University Hospital Cologne, Kerpener Straße 62, Cologne, 50937, Germany.,Center for Molecular Medicine Cologne, University of Cologne, Robert-Koch Straße 21, Cologne, 50931, Germany
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5
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Fernandez-Cuesta L, Sun R, Menon R, George J, Lorenz S, Meza-Zepeda LA, Peifer M, Plenker D, Heuckmann JM, Leenders F, Zander T, Dahmen I, Koker M, Schöttle J, Ullrich RT, Altmüller J, Becker C, Nürnberg P, Seidel H, Böhm D, Göke F, Ansén S, Russell PA, Wright GM, Wainer Z, Solomon B, Petersen I, Clement JH, Sänger J, Brustugun OT, Helland Å, Solberg S, Lund-Iversen M, Buettner R, Wolf J, Brambilla E, Vingron M, Perner S, Haas SA, Thomas RK. Identification of novel fusion genes in lung cancer using breakpoint assembly of transcriptome sequencing data. Genome Biol 2015; 16:7. [PMID: 25650807 PMCID: PMC4300615 DOI: 10.1186/s13059-014-0558-0] [Citation(s) in RCA: 39] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/24/2014] [Accepted: 12/03/2014] [Indexed: 02/08/2023] Open
Abstract
Genomic translocation events frequently underlie cancer development through generation of gene fusions with oncogenic properties. Identification of such fusion transcripts by transcriptome sequencing might help to discover new potential therapeutic targets. We developed TRUP (Tumor-specimen suited RNA-seq Unified Pipeline) (https://github.com/ruping/TRUP), a computational approach that combines split-read and read-pair analysis with de novo assembly for the identification of chimeric transcripts in cancer specimens. We apply TRUP to RNA-seq data of different tumor types, and find it to be more sensitive than alternative tools in detecting chimeric transcripts, such as secondary rearrangements in EML4-ALK-positive lung tumors, or recurrent inactivating rearrangements affecting RASSF8.
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6
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Ortiz-Cuarán S, Schöttle J, Dahmen I, Peifer M, Wieczoreck C, Koker M, Ihle MA, Florin A, Pinther B, Heukamp LC, Ullrich RT, Thomas RK. Abstract 1690: Attacking EGFR mutant lung cancer by combined EGFR and c-Met inhibition. Cancer Res 2014. [DOI: 10.1158/1538-7445.am2014-1690] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/16/2022]
Abstract
Abstract
In lung adenocarcinomas, targeted therapy with the EGFR tyrosine kinase inhibitors (TKIs) erlotinib and gefitinib is associated with longer progression free survival (PFS). However, despite the initial success, all patients progress with a median PFS of 12 to 16 months. Acquired resistance is driven by the occurrence of a secondary EGFR mutation (T790M) in about 50% of the cases and by c-Met amplification in 5 to 10 % of the cases. We report the activity of a new reversible and ATP-competitive c-Met inhibitor, EMD1214063, in the setting of primary lung adenocarcinomas harboring EGFR activating mutations and in two models of acquired resistance. EMD1214063 showed to be specifically active in c-Met amplified and c-Met dependent cells in a large panel of genotypically characterized lung cancer cell lines. In the context of acquired resistance, we studied the effect of EMD1214063 alone and in combination of afatinib, an irreversible EGFR TKI, in PC9 cells (EGFR Exon19del), H1975 cells (EGFR L858R and T790M), HCC827 (EGFR Exon19del, not c-Met amplified) and in HCC827GR cells (EGFR Exon19del and c-Met amplified). Treatment of HCC827GR cells with EMD1214063 resulted in substantial growth inhibition and induced apoptosis. The in vitro results showed a significant synergistic effect of the combination of EMD121039 and afatinib in the induction of growth inhibition in the context of c-Met amplification and EGFR T790M mutation. Combination treatment robustly suppressed expression of downstream pErk and pAkt, showing efficient suppression of PI3K and MAPK signaling. To determine whether the antitumor activity of the combination observed in vitro might also be apparent in vivo, we injected these cells in nude mice to elicit the formation of solid tumors. Mice were treated with EMD121043 (25mg/kg), afatinib (10mg/kg) or the combination of both. In H1975 xenografts only the combination therapy could significantly reduce tumor growth, thus confirming the results obtained in vitro. In the c-Met amplified setting, we treated mice harboring HCC827, HCC827GR and mixed xenografts. HCC827-driven tumors strongly responded to both afatinib monotherapy and to the combination, leading to complete remission within 40 days of therapy. HCC827/HCC827GR mixed xenografts containing 0.1%, 1% and 10% of HCC827GR cells partially responded to afatinib monotherapy; however, growth was completely abolished by combination therapy. Treatment with EMD1214063 led to significant growth reduction in mice harboring HCC827GR tumors. In this model, only the combination therapy led to massive tumor shrinkage. Assessment of cell proliferation in vivo by [18F]FLT-PET showed a decline in FLT-uptake of 40% in both the combination therapy and the EMD1214063 monotherapy. In conclusion, the combination of EMD1214063 and afatinib promote tumor regression in erlotinib acquired resistant lung cancers driven by EGFR L858R/T790M or EGFR Exon19 del/c-Met amplification.
Citation Format: Sandra Ortiz-Cuarán, Jakob Schöttle, Ilona Dahmen, Martin Peifer, Caroline Wieczoreck, Mirjam Koker, Michaela A. Ihle, Alexandra Florin, Berit Pinther, Lukas C. Heukamp, Roland T. Ullrich, Roman K. Thomas. Attacking EGFR mutant lung cancer by combined EGFR and c-Met inhibition. [abstract]. In: Proceedings of the 105th Annual Meeting of the American Association for Cancer Research; 2014 Apr 5-9; San Diego, CA. Philadelphia (PA): AACR; Cancer Res 2014;74(19 Suppl):Abstract nr 1690. doi:10.1158/1538-7445.AM2014-1690
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Affiliation(s)
- Sandra Ortiz-Cuarán
- 1University of Cologne, Department of Translational Genomics, Cologne, Germany
| | - Jakob Schöttle
- 1University of Cologne, Department of Translational Genomics, Cologne, Germany
| | - Ilona Dahmen
- 1University of Cologne, Department of Translational Genomics, Cologne, Germany
| | - Martin Peifer
- 1University of Cologne, Department of Translational Genomics, Cologne, Germany
| | - Caroline Wieczoreck
- 2University of Cologne, Max-Planck-Institute for Neurological Research, Cologne, Germany
| | - Mirjam Koker
- 1University of Cologne, Department of Translational Genomics, Cologne, Germany
| | - Michaela A. Ihle
- 3Institute of Pathology, University Hospital Medical School, Cologne, Germany
| | - Alexandra Florin
- 3Institute of Pathology, University Hospital Medical School, Cologne, Germany
| | - Berit Pinther
- 1University of Cologne, Department of Translational Genomics, Cologne, Germany
| | - Lukas C. Heukamp
- 3Institute of Pathology, University Hospital Medical School, Cologne, Germany
| | - Roland T. Ullrich
- 2University of Cologne, Max-Planck-Institute for Neurological Research, Cologne, Germany
| | - Roman K. Thomas
- 1University of Cologne, Department of Translational Genomics, Cologne, Germany
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7
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Fernandez-Cuesta L, Plenker D, Osada H, Sun R, Menon R, Leenders F, Ortiz-Cuaran S, Peifer M, Bos M, Daßler J, Malchers F, Schöttle J, Vogel W, Dahmen I, Koker M, Ullrich RT, Wright GM, Russell PA, Wainer Z, Solomon B, Brambilla E, Nagy-Mignotte H, Moro-Sibilot D, Brambilla CG, Lantuejoul S, Altmüller J, Becker C, Nürnberg P, Heuckmann JM, Stoelben E, Petersen I, Clement JH, Sänger J, Muscarella LA, la Torre A, Fazio VM, Lahortiga I, Perera T, Ogata S, Parade M, Brehmer D, Vingron M, Heukamp LC, Buettner R, Zander T, Wolf J, Perner S, Ansén S, Haas SA, Yatabe Y, Thomas RK. CD74-NRG1 fusions in lung adenocarcinoma. Cancer Discov 2014; 4:415-22. [PMID: 24469108 DOI: 10.1158/2159-8290.cd-13-0633] [Citation(s) in RCA: 195] [Impact Index Per Article: 19.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/11/2023]
Abstract
UNLABELLED We discovered a novel somatic gene fusion, CD74-NRG1, by transcriptome sequencing of 25 lung adenocarcinomas of never smokers. By screening 102 lung adenocarcinomas negative for known oncogenic alterations, we found four additional fusion-positive tumors, all of which were of the invasive mucinous subtype. Mechanistically, CD74-NRG1 leads to extracellular expression of the EGF-like domain of NRG1 III-β3, thereby providing the ligand for ERBB2-ERBB3 receptor complexes. Accordingly, ERBB2 and ERBB3 expression was high in the index case, and expression of phospho-ERBB3 was specifically found in tumors bearing the fusion (P < 0.0001). Ectopic expression of CD74-NRG1 in lung cancer cell lines expressing ERBB2 and ERBB3 activated ERBB3 and the PI3K-AKT pathway, and led to increased colony formation in soft agar. Thus, CD74-NRG1 gene fusions are activating genomic alterations in invasive mucinous adenocarcinomas and may offer a therapeutic opportunity for a lung tumor subtype with, so far, no effective treatment. SIGNIFICANCE CD74–NRG1 fusions may represent a therapeutic opportunity for invasive mucinous lung adenocarcinomas, a tumor with no effective treatment that frequently presents with multifocal unresectable disease.
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Affiliation(s)
- Lynnette Fernandez-Cuesta
- 1Department of Translational Genomics; 2Department I of Internal Medicine; 3Laboratory of Translational Cancer Genomics; 4Network Genomic Medicine, University Hospital Cologne, Center of Integrated Oncology Cologne-Bonn; 5Center for Molecular Medicine Cologne (CMMC); 6Cologne Center for Genomics (CCG); 7Cologne Excellence Cluster on Cellular Stress Responses in Aging-Associated Diseases (CECAD); 8Department of Pathology, University Hospital Medical Center, University of Cologne; 9Blackfield AG; 10Max Planck Institute for Neurological Research; 11Thoracic Surgery, Lungenklinik Merheim, Kliniken der Stadt Köln gGmbH; 12Institute of Human Genetics, Cologne; 13Computational Molecular Biology Department, Max Planck Institute for Molecular Genetics, Berlin; 14Department of Prostate Cancer Research, Institute of Pathology; 15Institute for Clinical Chemistry and Clinical Pharmacology, University Hospital Bonn, Bonn; 16Institute of Pathology; 17Department of Internal Medicine II, Jena University Hospital, Friedrich-Schiller-University, Jena; 18Institute for Pathology Bad Berka, Bad Berka, Germany;19Division of Molecular Oncology, Aichi Cancer Center Research Institute; 20Department of Pathology and Molecular Diagnostics, Aichi Cancer Center, Nagoya, Japan; Departments of 21Surgery and22Pathology, St. Vincent's Hospital; 23Department of Haematology and Medical Oncology, Peter MacCallum Cancer Centre, Melbourne, Victoria, Australia;24Department of Pathology, 25CHU Grenoble Institut National de la Santé et de la Recherche Medicale (INSERM) U823, Institute Albert Bonniot, Grenoble-Alpes University, Grenoble, France; 26Laboratory of Oncology IRCCS Casa Sollievo della Sofferenza, San Giovanni Rotondo; 27Laboratory for Molecular Medicine and Biotechnology, University Campus Bio-Medico, Rome, Italy; 28Center for the Biology of Disease, VIB, Leuven; and 29Oncology Discovery, Janssen Research and Development, A Division of Janssen Pharmaceutica NV, Beerse, Belgium
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Chatterjee S, Heukamp LC, Siobal M, Schöttle J, Wieczorek C, Peifer M, Frasca D, Koker M, König K, Meder L, Rauh D, Buettner R, Wolf J, Brekken RA, Neumaier B, Christofori G, Thomas RK, Ullrich RT. Tumor VEGF:VEGFR2 autocrine feed-forward loop triggers angiogenesis in lung cancer. J Clin Invest 2013. [DOI: 10.1172/jci70810] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/17/2022] Open
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9
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Chatterjee S, Heukamp LC, Siobal M, Schöttle J, Wieczorek C, Peifer M, Frasca D, Koker M, König K, Meder L, Rauh D, Buettner R, Wolf J, Brekken RA, Neumaier B, Christofori G, Thomas RK, Ullrich RT. Tumor VEGF:VEGFR2 autocrine feed-forward loop triggers angiogenesis in lung cancer. J Clin Invest 2013; 123:1732-40. [PMID: 23454747 DOI: 10.1172/jci65385] [Citation(s) in RCA: 154] [Impact Index Per Article: 14.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/26/2012] [Accepted: 01/10/2013] [Indexed: 12/21/2022] Open
Abstract
The molecular mechanisms that control the balance between antiangiogenic and proangiogenic factors and initiate the angiogenic switch in tumors remain poorly defined. By combining chemical genetics with multimodal imaging, we have identified an autocrine feed-forward loop in tumor cells in which tumor-derived VEGF stimulates VEGF production via VEGFR2-dependent activation of mTOR, substantially amplifying the initial proangiogenic signal. Disruption of this feed-forward loop by chemical perturbation or knockdown of VEGFR2 in tumor cells dramatically inhibited production of VEGF in vitro and in vivo. This disruption was sufficient to prevent tumor growth in vivo. In patients with lung cancer, we found that this VEGF:VEGFR2 feed-forward loop was active, as the level of VEGF/VEGFR2 binding in tumor cells was highly correlated to tumor angiogenesis. We further demonstrated that inhibition of tumor cell VEGFR2 induces feedback activation of the IRS/MAPK signaling cascade. Most strikingly, combined pharmacological inhibition of VEGFR2 (ZD6474) and MEK (PD0325901) in tumor cells resulted in dramatic tumor shrinkage, whereas monotherapy only modestly slowed tumor growth. Thus, a tumor cell-autonomous VEGF:VEGFR2 feed-forward loop provides signal amplification required for the establishment of fully angiogenic tumors in lung cancer. Interrupting this feed-forward loop switches tumor cells from an angiogenic to a proliferative phenotype that sensitizes tumor cells to MAPK inhibition.
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Affiliation(s)
- Sampurna Chatterjee
- Max Planck Institute for Neurological Research, with Klaus-Joachim-Zülch Laboratories of the Max Planck Society and the Medical Faculty of the University of Cologne, Cologne, Germany
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10
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Heuckmann JM, Balke-Want H, Malchers F, Peifer M, Sos ML, Koker M, Meder L, Lovly CM, Heukamp LC, Pao W, Küppers R, Thomas RK. Differential protein stability and ALK inhibitor sensitivity of EML4-ALK fusion variants. Clin Cancer Res 2012; 18:4682-90. [PMID: 22912387 DOI: 10.1158/1078-0432.ccr-11-3260] [Citation(s) in RCA: 211] [Impact Index Per Article: 17.6] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/16/2022]
Abstract
PURPOSE ALK rearrangement-positive lung cancers can be effectively treated with ALK inhibitors. However, the magnitude and duration of response is heterogeneous. In addition, acquired resistance limits the efficacy of ALK inhibitors, with most upfront resistance mechanisms being unknown. EXPERIMENTAL DESIGN By making use of the Ba/F3 cell line model, we analyzed the cytotoxic efficacy of ALK kinase inhibitors as a function of different EML4-ALK fusion variants v1, v2, v3a, and v3b as well as of three artificially designed EML4-ALK deletion constructs and the ALK fusion genes KIF5b-ALK and NPM1-ALK. In addition, the intracellular localization, the sensitivity to HSP90 inhibition and the protein stability of ALK fusion proteins were studied. RESULTS Different ALK fusion genes and EML4-ALK variants exhibited differential sensitivity to the structurally diverse ALK kinase inhibitors crizotinib and TAE684. In addition, differential sensitivity correlated with differences in protein stability in EML4-ALK-expressing cells. Furthermore, the sensitivity to HSP90 inhibition also varied depending on the ALK fusion partner but differed from ALK inhibitor sensitivity patterns. Finally, combining inhibitors of ALK and HSP90 resulted in synergistic cytotoxicity. CONCLUSIONS Our results might explain some of the heterogeneous responses of ALK-positive tumors to ALK kinase inhibition observed in the clinic. Thus, targeted therapy of ALK-positive lung cancer should take into account the precise ALK genotype. Furthermore, combining ALK and HSP90 inhibitors might enhance tumor shrinkage in EML4-ALK-driven tumors.
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Affiliation(s)
- Johannes M Heuckmann
- Department of Translational Genomics, University of Cologne, c/o MPI for Neurological Research, Gleueler Str. 50, 50931 Cologne, Germany
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11
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Heuckmann JM, Hölzel M, Sos ML, Heynck S, Balke-Want H, Koker M, Peifer M, Weiss J, Lovly CM, Grütter C, Rauh D, Pao W, Thomas RK. ALK mutations conferring differential resistance to structurally diverse ALK inhibitors. Clin Cancer Res 2011; 17:7394-401. [PMID: 21948233 DOI: 10.1158/1078-0432.ccr-11-1648] [Citation(s) in RCA: 147] [Impact Index Per Article: 11.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/16/2022]
Abstract
PURPOSE EML4-ALK fusions define a subset of lung cancers that can be effectively treated with anaplastic lymphoma kinase (ALK) inhibitors. Unfortunately, the duration of response is heterogeneous and acquired resistance limits their ultimate efficacy. Thus, a better understanding of resistance mechanisms will help to enhance tumor control in EML4-ALK-positive tumors. EXPERIMENTAL DESIGN By applying orthogonal functional mutagenesis screening approaches, we screened for mutations inducing resistance to the aminopyridine PF02341066 (crizotinib) and/or the diaminopyrimidine TAE684. RESULTS Here, we show that the resistance mutation, L1196M, as well as other crizotinib resistance mutations (F1174L and G1269S), are highly sensitive to the structurally unrelated ALK inhibitor TAE684. In addition, we identified two novel EML4-ALK resistance mutations (L1198P and D1203N), which unlike previously reported mutations, induced resistance to both ALK inhibitors. An independent resistance screen in ALK-mutant neuroblastoma cells yielded the same L1198P resistance mutation but defined two additional mutations conferring resistance to TAE684 but not to PF02341066. CONCLUSIONS Our results show that different ALK resistance mutations as well as different ALK inhibitors impact the therapeutic efficacy in the setting of EML4-ALK fusions and ALK mutations.
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Affiliation(s)
- Johannes M Heuckmann
- Max Planck Institute for Neurological Research, Klaus-Joachim-Zülch Laboratories of the Max Planck Society, Köln, Germany
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12
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Hammerman PS, Sos ML, Ramos AH, Xu C, Dutt A, Zhou W, Brace LE, Woods BA, Lin W, Zhang J, Deng X, Lim SM, Heynck S, Peifer M, Simard JR, Lawrence MS, Onofrio RC, Salvesen HB, Seidel D, Zander T, Heuckmann JM, Soltermann A, Moch H, Koker M, Leenders F, Gabler F, Querings S, Ansén S, Brambilla E, Brambilla C, Lorimier P, Brustugun OT, Helland Å, Petersen I, Clement JH, Groen H, Timens W, Sietsma H, Stoelben E, Wolf J, Beer DG, Tsao MS, Hanna M, Hatton C, Eck MJ, Janne PA, Johnson BE, Winckler W, Greulich H, Bass AJ, Cho J, Rauh D, Gray NS, Wong KK, Haura EB, Thomas RK, Meyerson M. Mutations in the DDR2 kinase gene identify a novel therapeutic target in squamous cell lung cancer. Cancer Discov 2011; 1:78-89. [PMID: 22328973 PMCID: PMC3274752 DOI: 10.1158/2159-8274.cd-11-0005] [Citation(s) in RCA: 359] [Impact Index Per Article: 27.6] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/05/2023]
Abstract
UNLABELLED While genomically targeted therapies have improved outcomes for patients with lung adenocarcinoma, little is known about the genomic alterations which drive squamous cell lung cancer. Sanger sequencing of the tyrosine kinome identified mutations in the DDR2 kinase gene in 3.8% of squamous cell lung cancers and cell lines. Squamous lung cancer cell lines harboring DDR2 mutations were selectively killed by knock-down of DDR2 by RNAi or by treatment with the multi-targeted kinase inhibitor dasatinib. Tumors established from a DDR2 mutant cell line were sensitive to dasatinib in xenograft models. Expression of mutated DDR2 led to cellular transformation which was blocked by dasatinib. A squamous cell lung cancer patient with a response to dasatinib and erlotinib treatment harbored a DDR2 kinase domain mutation. These data suggest that gain-of-function mutations in DDR2 are important oncogenic events and are amenable to therapy with dasatinib. As dasatinib is already approved for use, these findings could be rapidly translated into clinical trials. SIGNIFICANCE DDR2 mutations are present in 4% of lung SCCs, and DDR2 mutations are associated with sensitivity to dasatinib. These findings provide a rationale for designing clinical trials with the FDA-approved drug dasatinib in patients with lung SCCs.
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Affiliation(s)
- Peter S Hammerman
- Department of Medical Oncology, Dana Farber Cancer Institute, Boston, Massachusetts, USA
| | - Martin L Sos
- Max Planck Institute for Neurological Research with Klaus-Joachim-Zülch Laboratories of the Max Planck Society and the Medical Faculty of the University of Köln, Köln, Germany
- Department I of Internal Medicine and Laboratory of Translational Cancer Genomics, Center of Integrated Oncology Köln – Bonn, University of Köln, Köln, Germany
| | | | - Chunxiao Xu
- Department of Medical Oncology, Dana Farber Cancer Institute, Boston, Massachusetts, USA
| | - Amit Dutt
- Broad Institute, Cambridge, Massachusetts, USA
| | - Wenjun Zhou
- Department of Biological Chemistry and Molecular Pharmacology, Dana Farber Cancer Institute, Boston, Massachusetts, USA
| | - Lear E Brace
- Department of Medical Oncology, Dana Farber Cancer Institute, Boston, Massachusetts, USA
| | - Brittany A Woods
- Department of Medical Oncology, Dana Farber Cancer Institute, Boston, Massachusetts, USA
| | - Wenchu Lin
- Department of Medical Oncology, Dana Farber Cancer Institute, Boston, Massachusetts, USA
| | - Jianming Zhang
- Department of Biological Chemistry and Molecular Pharmacology, Dana Farber Cancer Institute, Boston, Massachusetts, USA
| | - Xianming Deng
- Department of Biological Chemistry and Molecular Pharmacology, Dana Farber Cancer Institute, Boston, Massachusetts, USA
| | - Sang Min Lim
- Department of Biological Chemistry and Molecular Pharmacology, Dana Farber Cancer Institute, Boston, Massachusetts, USA
| | - Stefanie Heynck
- Max Planck Institute for Neurological Research with Klaus-Joachim-Zülch Laboratories of the Max Planck Society and the Medical Faculty of the University of Köln, Köln, Germany
| | - Martin Peifer
- Max Planck Institute for Neurological Research with Klaus-Joachim-Zülch Laboratories of the Max Planck Society and the Medical Faculty of the University of Köln, Köln, Germany
| | - Jeffrey R Simard
- Chemical Genomics Centre of the Max Planck Society, Otto-Hahn-Strasse 15, D-44227 Dortmund, Germany
| | | | | | - Helga B Salvesen
- Department of Obstetrics and Gynecology, Haukeland University Hospital, 5021 Bergen, Norway
- Department of Clinical Medicine, University of Bergen, 5020 Bergen, Norway
| | - Danila Seidel
- Max Planck Institute for Neurological Research with Klaus-Joachim-Zülch Laboratories of the Max Planck Society and the Medical Faculty of the University of Köln, Köln, Germany
| | - Thomas Zander
- Department I of Internal Medicine and Laboratory of Translational Cancer Genomics, Center of Integrated Oncology Köln – Bonn, University of Köln, Köln, Germany
- Department I for Internal Medicine, Center for Integrated Oncology Köln-Bonn, University Hospital of Cologne, Germany
| | - Johannes M Heuckmann
- Max Planck Institute for Neurological Research with Klaus-Joachim-Zülch Laboratories of the Max Planck Society and the Medical Faculty of the University of Köln, Köln, Germany
| | | | | | - Mirjam Koker
- Max Planck Institute for Neurological Research with Klaus-Joachim-Zülch Laboratories of the Max Planck Society and the Medical Faculty of the University of Köln, Köln, Germany
| | - Frauke Leenders
- Max Planck Institute for Neurological Research with Klaus-Joachim-Zülch Laboratories of the Max Planck Society and the Medical Faculty of the University of Köln, Köln, Germany
| | - Franziska Gabler
- Max Planck Institute for Neurological Research with Klaus-Joachim-Zülch Laboratories of the Max Planck Society and the Medical Faculty of the University of Köln, Köln, Germany
| | - Silvia Querings
- Max Planck Institute for Neurological Research with Klaus-Joachim-Zülch Laboratories of the Max Planck Society and the Medical Faculty of the University of Köln, Köln, Germany
| | - Sascha Ansén
- Department I for Internal Medicine, Center for Integrated Oncology Köln-Bonn, University Hospital of Cologne, Germany
| | - Elisabeth Brambilla
- Institut Albert Bonniot INSERM U823; Université Joseph Fourier Grenoble France
| | - Christian Brambilla
- Institut Albert Bonniot INSERM U823; Université Joseph Fourier Grenoble France
| | - Philippe Lorimier
- Institut Albert Bonniot INSERM U823; Université Joseph Fourier Grenoble France
| | - Odd Terje Brustugun
- Division of Surgery and Cancer, Oslo University Hospital Radiumhospitalet, Montebello 0301, Oslo, Norway
| | - Åslaug Helland
- Division of Surgery and Cancer, Oslo University Hospital Radiumhospitalet, Montebello 0301, Oslo, Norway
| | - Iver Petersen
- Jena University Hospital, Department Hematology/Oncology, Jena, Germany
| | - Joachim H Clement
- Jena University Hospital, Department Hematology/Oncology, Jena, Germany
| | - Harry Groen
- University Medical Center Groningen and University of Groningen, Pulmonology and Pathology, Groningen, Netherlands
| | - Wim Timens
- University Medical Center Groningen and University of Groningen, Pulmonology and Pathology, Groningen, Netherlands
| | - Hannie Sietsma
- University Medical Center Groningen and University of Groningen, Pulmonology and Pathology, Groningen, Netherlands
| | | | - Jürgen Wolf
- Department I of Internal Medicine and Laboratory of Translational Cancer Genomics, Center of Integrated Oncology Köln – Bonn, University of Köln, Köln, Germany
- Department I for Internal Medicine, Center for Integrated Oncology Köln-Bonn, University Hospital of Cologne, Germany
| | - David G Beer
- Section of Thoracic Surgery, Department of Surgery, Ann Arbor, Michigan, USA
| | - Ming Sound Tsao
- Ontario Cancer Institute and Princess Margaret Hospital, Toronto, Canada
| | - Megan Hanna
- Department of Medical Oncology, Dana Farber Cancer Institute, Boston, Massachusetts, USA
- Broad Institute, Cambridge, Massachusetts, USA
- Center for Cancer Genome Discovery, Dana Farber Cancer Institute, Boston, Massachusetts, USA
| | - Charles Hatton
- Department of Medical Oncology, Dana Farber Cancer Institute, Boston, Massachusetts, USA
- Broad Institute, Cambridge, Massachusetts, USA
- Center for Cancer Genome Discovery, Dana Farber Cancer Institute, Boston, Massachusetts, USA
| | - Michael J Eck
- Department of Medical Oncology, Dana Farber Cancer Institute, Boston, Massachusetts, USA
| | - Pasi A Janne
- Department of Medical Oncology, Dana Farber Cancer Institute, Boston, Massachusetts, USA
| | - Bruce E Johnson
- Department of Medical Oncology, Dana Farber Cancer Institute, Boston, Massachusetts, USA
| | | | - Heidi Greulich
- Department of Medical Oncology, Dana Farber Cancer Institute, Boston, Massachusetts, USA
- Broad Institute, Cambridge, Massachusetts, USA
| | - Adam J Bass
- Department of Medical Oncology, Dana Farber Cancer Institute, Boston, Massachusetts, USA
| | - Jeonghee Cho
- Department of Medical Oncology, Dana Farber Cancer Institute, Boston, Massachusetts, USA
| | - Daniel Rauh
- Chemical Genomics Centre of the Max Planck Society, Otto-Hahn-Strasse 15, D-44227 Dortmund, Germany
- Technical University Dortmund, Otto-Hahn-Strasse 6, D-44221 Dortmund, Germany
| | - Nathanael S Gray
- Department of Biological Chemistry and Molecular Pharmacology, Dana Farber Cancer Institute, Boston, Massachusetts, USA
| | - Kwok-Kin Wong
- Department of Medical Oncology, Dana Farber Cancer Institute, Boston, Massachusetts, USA
| | - Eric B Haura
- Departments of Thoracic Oncology and Experimental Therapeutics, H. Lee Moffitt Cancer Center and Research Institute, Tampa, Florida, USA
| | - Roman K Thomas
- Max Planck Institute for Neurological Research with Klaus-Joachim-Zülch Laboratories of the Max Planck Society and the Medical Faculty of the University of Köln, Köln, Germany
- Department I of Internal Medicine and Laboratory of Translational Cancer Genomics, Center of Integrated Oncology Köln – Bonn, University of Köln, Köln, Germany
- Chemical Genomics Center of the Max Planck Society, Dortmund, Germany
| | - Matthew Meyerson
- Department of Medical Oncology, Dana Farber Cancer Institute, Boston, Massachusetts, USA
- Broad Institute, Cambridge, Massachusetts, USA
- Center for Cancer Genome Discovery, Dana Farber Cancer Institute, Boston, Massachusetts, USA
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Weiss J, Sos ML, Seidel D, Peifer M, Zander T, Heuckmann JM, Ullrich RT, Menon R, Maier S, Soltermann A, Moch H, Wagener P, Fischer F, Heynck S, Koker M, Schöttle J, Leenders F, Gabler F, Dabow I, Querings S, Heukamp LC, Balke-Want H, Ansén S, Rauh D, Baessmann I, Altmüller J, Wainer Z, Conron M, Wright G, Russell P, Solomon B, Brambilla E, Brambilla C, Lorimier P, Sollberg S, Brustugun OT, Engel-Riedel W, Ludwig C, Petersen I, Sänger J, Clement J, Groen H, Timens W, Sietsma H, Thunnissen E, Smit E, Heideman D, Cappuzzo F, Ligorio C, Damiani S, Hallek M, Beroukhim R, Pao W, Klebl B, Baumann M, Buettner R, Ernestus K, Stoelben E, Wolf J, Nürnberg P, Perner S, Thomas RK. Frequent and focal FGFR1 amplification associates with therapeutically tractable FGFR1 dependency in squamous cell lung cancer. Sci Transl Med 2011; 2:62ra93. [PMID: 21160078 DOI: 10.1126/scitranslmed.3001451] [Citation(s) in RCA: 649] [Impact Index Per Article: 49.9] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/31/2022]
Abstract
Lung cancer remains one of the leading causes of cancer-related death in developed countries. Although lung adenocarcinomas with EGFR mutations or EML4-ALK fusions respond to treatment by epidermal growth factor receptor (EGFR) and anaplastic lymphoma kinase (ALK) inhibition, respectively, squamous cell lung cancer currently lacks therapeutically exploitable genetic alterations. We conducted a systematic search in a set of 232 lung cancer specimens for genetic alterations that were therapeutically amenable and then performed high-resolution gene copy number analyses. We identified frequent and focal fibroblast growth factor receptor 1 (FGFR1) amplification in squamous cell lung cancer (n = 155), but not in other lung cancer subtypes, and, by fluorescence in situ hybridization, confirmed the presence of FGFR1 amplifications in an independent cohort of squamous cell lung cancer samples (22% of cases). Using cell-based screening with the FGFR inhibitor PD173074 in a large (n = 83) panel of lung cancer cell lines, we demonstrated that this compound inhibited growth and induced apoptosis specifically in those lung cancer cells carrying amplified FGFR1. We validated the FGFR1 dependence of FGFR1-amplified cell lines by FGFR1 knockdown and by ectopic expression of an FGFR1-resistant allele (FGFR1(V561M)), which rescued FGFR1-amplified cells from PD173074-mediated cytotoxicity. Finally, we showed that inhibition of FGFR1 with a small molecule led to significant tumor shrinkage in vivo. Thus, focal FGFR1 amplification is common in squamous cell lung cancer and associated with tumor growth and survival, suggesting that FGFR inhibitors may be a viable therapeutic option in this cohort of patients.
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Affiliation(s)
- Jonathan Weiss
- Max Planck Institute for Neurological Research, Klaus-Joachim-Zülch Laboratories of the Max Planck Society and the Medical Faculty of the University of Cologne, 50931 Cologne, Germany
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14
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Peifer M, Weiss J, Sos ML, Koker M, Heynck S, Netzer C, Fischer S, Rode H, Rauh D, Rahnenführer J, Thomas RK. Analysis of compound synergy in high-throughput cellular screens by population-based lifetime modeling. PLoS One 2010; 5:e8919. [PMID: 20111714 PMCID: PMC2811738 DOI: 10.1371/journal.pone.0008919] [Citation(s) in RCA: 23] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/02/2009] [Accepted: 01/08/2010] [Indexed: 12/12/2022] Open
Abstract
Despite the successful introduction of potent anti-cancer therapeutics, most of these drugs lead to only modest tumor-shrinkage or transient responses, followed by re-growth of tumors. Combining different compounds has resulted in enhanced tumor control and prolonged survival. However, methods querying the efficacy of such combinations have been hampered by limited scalability, analytical resolution, statistical feasibility, or a combination thereof. We have developed a theoretical framework modeling cellular viability as a stochastic lifetime process to determine synergistic compound combinations from high-throughput cellular screens. We apply our method to data derived from chemical perturbations of 65 cancer cell lines with two inhibitors. Our analysis revealed synergy for the combination of both compounds in subsets of cell lines. By contrast, in cell lines in which inhibition of one of both targets was sufficient to induce cell death, no synergy was detected, compatible with the topology of the oncogenically activated signaling network. In summary, we provide a tool for the measurement of synergy strength for combination perturbation experiments that might help define pathway topologies and direct clinical trials.
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Affiliation(s)
- Martin Peifer
- Max Planck Institute for Neurological Research with Klaus-Joachim-Zülch Laboratories of the Max Planck Society and the Medical Faculty of the University of Köln, Max Planck Society, Köln, Germany
- * E-mail: (MP); (RT)
| | - Jonathan Weiss
- Max Planck Institute for Neurological Research with Klaus-Joachim-Zülch Laboratories of the Max Planck Society and the Medical Faculty of the University of Köln, Max Planck Society, Köln, Germany
| | - Martin L. Sos
- Max Planck Institute for Neurological Research with Klaus-Joachim-Zülch Laboratories of the Max Planck Society and the Medical Faculty of the University of Köln, Max Planck Society, Köln, Germany
| | - Mirjam Koker
- Max Planck Institute for Neurological Research with Klaus-Joachim-Zülch Laboratories of the Max Planck Society and the Medical Faculty of the University of Köln, Max Planck Society, Köln, Germany
| | - Stefanie Heynck
- Max Planck Institute for Neurological Research with Klaus-Joachim-Zülch Laboratories of the Max Planck Society and the Medical Faculty of the University of Köln, Max Planck Society, Köln, Germany
| | - Christian Netzer
- Department of Statistics, Technical University of Dortmund, Dortmund, Germany
| | - Stefanie Fischer
- Max Planck Institute for Neurological Research with Klaus-Joachim-Zülch Laboratories of the Max Planck Society and the Medical Faculty of the University of Köln, Max Planck Society, Köln, Germany
| | - Haridas Rode
- Chemical Genomics Center of the Max Planck Society, Max Planck Society, Dortmund, Germany
| | - Daniel Rauh
- Chemical Genomics Center of the Max Planck Society, Max Planck Society, Dortmund, Germany
| | - Jörg Rahnenführer
- Department of Statistics, Technical University of Dortmund, Dortmund, Germany
| | - Roman K. Thomas
- Max Planck Institute for Neurological Research with Klaus-Joachim-Zülch Laboratories of the Max Planck Society and the Medical Faculty of the University of Köln, Max Planck Society, Köln, Germany
- Department I of Internal Medicine and Center of Integrated Oncology Köln – Bonn, University of Köln, Köln, Germany
- Chemical Genomics Center of the Max Planck Society, Max Planck Society, Dortmund, Germany
- * E-mail: (MP); (RT)
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15
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Sos ML, Rode HB, Heynck S, Peifer M, Fischer F, Klüter S, Pawar VG, Reuter C, Heuckmann JM, Weiss J, Ruddigkeit L, Rabiller M, Koker M, Simard JR, Getlik M, Yuza Y, Chen TH, Greulich H, Thomas RK, Rauh D. Chemogenomic Profiling Provides Insights into the Limited Activity of Irreversible EGFR Inhibitors in Tumor Cells Expressing the T790M EGFR Resistance Mutation. Cancer Res 2010; 70:868-74. [DOI: 10.1158/0008-5472.can-09-3106] [Citation(s) in RCA: 171] [Impact Index Per Article: 12.2] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/16/2022]
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16
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Sos ML, Michel K, Zander T, Weiss J, Frommolt P, Peifer M, Li D, Ullrich R, Koker M, Fischer F, Shimamura T, Rauh D, Mermel C, Fischer S, Stückrath I, Heynck S, Beroukhim R, Lin W, Winckler W, Shah K, LaFramboise T, Moriarty WF, Hanna M, Tolosi L, Rahnenführer J, Verhaak R, Chiang D, Getz G, Hellmich M, Wolf J, Girard L, Peyton M, Weir BA, Chen TH, Greulich H, Barretina J, Shapiro GI, Garraway LA, Gazdar AF, Minna JD, Meyerson M, Wong KK, Thomas RK. Predicting drug susceptibility of non-small cell lung cancers based on genetic lesions. J Clin Invest 2009; 119:1727-40. [PMID: 19451690 DOI: 10.1172/jci37127] [Citation(s) in RCA: 192] [Impact Index Per Article: 12.8] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/12/2008] [Accepted: 03/25/2009] [Indexed: 12/13/2022] Open
Abstract
Somatic genetic alterations in cancers have been linked with response to targeted therapeutics by creation of specific dependency on activated oncogenic signaling pathways. However, no tools currently exist to systematically connect such genetic lesions to therapeutic vulnerability. We have therefore developed a genomics approach to identify lesions associated with therapeutically relevant oncogene dependency. Using integrated genomic profiling, we have demonstrated that the genomes of a large panel of human non-small cell lung cancer (NSCLC) cell lines are highly representative of those of primary NSCLC tumors. Using cell-based compound screening coupled with diverse computational approaches to integrate orthogonal genomic and biochemical data sets, we identified molecular and genomic predictors of therapeutic response to clinically relevant compounds. Using this approach, we showed that v-Ki-ras2 Kirsten rat sarcoma viral oncogene homolog (KRAS) mutations confer enhanced Hsp90 dependency and validated this finding in mice with KRAS-driven lung adenocarcinoma, as these mice exhibited dramatic tumor regression when treated with an Hsp90 inhibitor. In addition, we found that cells with copy number enhancement of v-abl Abelson murine leukemia viral oncogene homolog 2 (ABL2) and ephrin receptor kinase and v-src sarcoma (Schmidt-Ruppin A-2) viral oncogene homolog (avian) (SRC) kinase family genes were exquisitely sensitive to treatment with the SRC/ABL inhibitor dasatinib, both in vitro and when it xenografted into mice. Thus, genomically annotated cell-line collections may help translate cancer genomics information into clinical practice by defining critical pathway dependencies amenable to therapeutic inhibition.
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Affiliation(s)
- Martin L Sos
- Max Planck Institute for Neurological Research, Klaus-Joachim-Zülch Laboratories of Max Planck Society, and University of Köln Medical Faculty, University of Köln, Cologne, Germany
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17
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Sos ML, Koker M, Weir BA, Heynck S, Rabinovsky R, Zander T, Seeger JM, Weiss J, Fischer F, Frommolt P, Michel K, Peifer M, Mermel C, Girard L, Peyton M, Gazdar AF, Minna JD, Garraway LA, Kashkar H, Pao W, Meyerson M, Thomas RK. PTEN loss contributes to erlotinib resistance in EGFR-mutant lung cancer by activation of Akt and EGFR. Cancer Res 2009; 69:3256-61. [PMID: 19351834 DOI: 10.1158/0008-5472.can-08-4055] [Citation(s) in RCA: 402] [Impact Index Per Article: 26.8] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/16/2022]
Abstract
Clinical resistance to epidermal growth factor receptor (EGFR) inhibition in lung cancer has been linked to the emergence of the EGFR T790M resistance mutation or amplification of MET. Additional mechanisms contributing to EGFR inhibitor resistance remain elusive. By applying combined analyses of gene expression, copy number, and biochemical analyses of EGFR inhibitor responsiveness, we identified homozygous loss of PTEN to segregate EGFR-dependent and EGFR-independent cells. We show that in EGFR-dependent cells, PTEN loss partially uncouples mutant EGFR from downstream signaling and activates EGFR, thereby contributing to erlotinib resistance. The clinical relevance of our findings is supported by the observation of PTEN loss in 1 out of 24 primary EGFR-mutant non-small cell lung cancer (NSCLC) tumors. These results suggest a novel resistance mechanism in EGFR-mutant NSCLC involving PTEN loss.
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Affiliation(s)
- Martin L Sos
- Max-Planck-Institute for Neurological Research with Klaus-Joachim Zülch Laboratories of the Max-Planck-Society and the Medical Faculty of the University of Köln, Germany
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18
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Ullrich RT, Zander T, Neumaier B, Koker M, Shimamura T, Waerzeggers Y, Borgman CL, Tawadros S, Li H, Sos ML, Backes H, Shapiro GI, Wolf J, Jacobs AH, Thomas RK, Winkeler A. Early detection of erlotinib treatment response in NSCLC by 3'-deoxy-3'-[F]-fluoro-L-thymidine ([F]FLT) positron emission tomography (PET). PLoS One 2008; 3:e3908. [PMID: 19079597 PMCID: PMC2592703 DOI: 10.1371/journal.pone.0003908] [Citation(s) in RCA: 73] [Impact Index Per Article: 4.6] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/24/2008] [Accepted: 11/06/2008] [Indexed: 11/26/2022] Open
Abstract
Background Inhibition of the epidermal growth factor receptor (EGFR) has shown clinical success in patients with advanced non-small cell lung cancer (NSCLC). Somatic mutations of EGFR were found in lung adenocarcinoma that lead to exquisite dependency on EGFR signaling; thus patients with EGFR-mutant tumors are at high chance of response to EGFR inhibitors. However, imaging approaches affording early identification of tumor response in EGFR-dependent carcinomas have so far been lacking. Methodology/Principal Findings We performed a systematic comparison of 3′-Deoxy-3′-[18F]-fluoro-L-thymidine ([18F]FLT) and 2-[18F]-fluoro-2-deoxy-D-glucose ([18F]FDG) positron emission tomography (PET) for their potential to identify response to EGFR inhibitors in a model of EGFR-dependent lung cancer early after treatment initiation. While erlotinib-sensitive tumors exhibited a striking and reproducible decrease in [18F]FLT uptake after only two days of treatment, [18F]FDG PET based imaging revealed no consistent reduction in tumor glucose uptake. In sensitive tumors, a decrease in [18F]FLT PET but not [18F]FDG PET uptake correlated with cell cycle arrest and induction of apoptosis. The reduction in [18F]FLT PET signal at day 2 translated into dramatic tumor shrinkage four days later. Furthermore, the specificity of our results is confirmed by the complete lack of [18F]FLT PET response of tumors expressing the T790M erlotinib resistance mutation of EGFR. Conclusions [18F]FLT PET enables robust identification of erlotinib response in EGFR-dependent tumors at a very early stage. [18F]FLT PET imaging may represent an appropriate method for early prediction of response to EGFR TKI treatment in patients with NSCLC.
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Affiliation(s)
- Roland T. Ullrich
- Max Planck Institute for Neurological Research with Klaus-Joachim-Zülch-Laboratories of the Max Planck Society, Medical Faculty of the University of Cologne, Cologne, Germany
- Center for Molecular Medicine Cologne (CMMC), Cologne, Germany
| | - Thomas Zander
- Department I of Internal Medicine and Center of Integrated Oncology Köln – Bonn, University of Cologne, Cologne, Germany
| | - Bernd Neumaier
- Max Planck Institute for Neurological Research with Klaus-Joachim-Zülch-Laboratories of the Max Planck Society, Medical Faculty of the University of Cologne, Cologne, Germany
| | - Mirjam Koker
- Max Planck Institute for Neurological Research with Klaus-Joachim-Zülch-Laboratories of the Max Planck Society, Medical Faculty of the University of Cologne, Cologne, Germany
| | - Takeshi Shimamura
- Department of Medical Oncology, Dana-Farber Cancer Institute, Brigham and Women's Hospital and Harvard Medical School, Boston, Massachusetts, United States of America
- Department of Medicine, Brigham and Women's Hospital and Harvard Medical School, Boston, Massachusetts, United States of America
| | - Yannic Waerzeggers
- Max Planck Institute for Neurological Research with Klaus-Joachim-Zülch-Laboratories of the Max Planck Society, Medical Faculty of the University of Cologne, Cologne, Germany
| | - Christa L. Borgman
- Department of Medical Oncology, Dana-Farber Cancer Institute, Brigham and Women's Hospital and Harvard Medical School, Boston, Massachusetts, United States of America
- Department of Medicine, Brigham and Women's Hospital and Harvard Medical School, Boston, Massachusetts, United States of America
| | - Samir Tawadros
- Department I of Internal Medicine and Center of Integrated Oncology Köln – Bonn, University of Cologne, Cologne, Germany
| | - Hongfeng Li
- Max Planck Institute for Neurological Research with Klaus-Joachim-Zülch-Laboratories of the Max Planck Society, Medical Faculty of the University of Cologne, Cologne, Germany
| | - Martin L. Sos
- Max Planck Institute for Neurological Research with Klaus-Joachim-Zülch-Laboratories of the Max Planck Society, Medical Faculty of the University of Cologne, Cologne, Germany
| | - Heiko Backes
- Max Planck Institute for Neurological Research with Klaus-Joachim-Zülch-Laboratories of the Max Planck Society, Medical Faculty of the University of Cologne, Cologne, Germany
| | - Geoffrey I. Shapiro
- Department of Medical Oncology, Dana-Farber Cancer Institute, Brigham and Women's Hospital and Harvard Medical School, Boston, Massachusetts, United States of America
- Department of Medicine, Brigham and Women's Hospital and Harvard Medical School, Boston, Massachusetts, United States of America
| | - Jürgen Wolf
- Department I of Internal Medicine and Center of Integrated Oncology Köln – Bonn, University of Cologne, Cologne, Germany
| | - Andreas H. Jacobs
- Max Planck Institute for Neurological Research with Klaus-Joachim-Zülch-Laboratories of the Max Planck Society, Medical Faculty of the University of Cologne, Cologne, Germany
- Center for Molecular Medicine Cologne (CMMC), Cologne, Germany
- Klinikum Fulda, Fulda, Germany
| | - Roman K. Thomas
- Max Planck Institute for Neurological Research with Klaus-Joachim-Zülch-Laboratories of the Max Planck Society, Medical Faculty of the University of Cologne, Cologne, Germany
- Department I of Internal Medicine and Center of Integrated Oncology Köln – Bonn, University of Cologne, Cologne, Germany
- Chemical Genomics Center of the Max Planck Society, Dortmund, Germany
- * E-mail:
| | - Alexandra Winkeler
- Max Planck Institute for Neurological Research with Klaus-Joachim-Zülch-Laboratories of the Max Planck Society, Medical Faculty of the University of Cologne, Cologne, Germany
- Center for Molecular Medicine Cologne (CMMC), Cologne, Germany
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19
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Spoelgen R, Adams KW, Koker M, Thomas AV, Andersen OM, Hallett PJ, Bercury KK, Joyner DF, Deng M, Stoothoff WH, Strickland DK, Willnow TE, Hyman BT. Interaction of the apolipoprotein E receptors low density lipoprotein receptor-related protein and sorLA/LR11. Neuroscience 2008; 158:1460-8. [PMID: 19047013 DOI: 10.1016/j.neuroscience.2008.10.061] [Citation(s) in RCA: 13] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/15/2008] [Revised: 10/31/2008] [Accepted: 10/31/2008] [Indexed: 01/07/2023]
Abstract
In this study, we examined protein-protein interactions between two neuronal receptors, low density lipoprotein receptor-related protein (LRP) and sorLA/LR11, and found that these receptors interact, as indicated by three independent lines of evidence: co-immunoprecipitation experiments on mouse brain extracts and mouse neuronal cells, surface plasmon resonance analysis with purified human LRP and sorLA, and fluorescence lifetime imaging microscopy (FLIM) on rat primary cortical neurons. Immunocytochemistry experiments revealed widespread co-localization of LRP and sorLA within perinuclear compartments of rat primary neurons, while FLIM analysis showed that LRP-sorLA interactions take place within a subset of these compartments.
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Affiliation(s)
- R Spoelgen
- Department of Neurology, Massachusetts General Hospital, Harvard Medical School, MA 02129, USA
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20
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Meyer-Luehmann M, Stoothoff W, Spires-Jones TL, Kowa T, Koker M, Han K, Hyman BT. P1‐486: Decreased neuronal activity in APP transgenic mice measured via dendritic protein synthesis. Alzheimers Dement 2008. [DOI: 10.1016/j.jalz.2008.05.1069] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/21/2022]
Affiliation(s)
- Melanie Meyer-Luehmann
- Massachusetts Institute for Neurodegenerative Disease, Harvard Medical SchoolCharlestownMAUSA
| | - Will Stoothoff
- Massachusetts Institute for Neurodegenerative Disease, Harvard Medical SchoolCharlestownMAUSA
| | - Tara L. Spires-Jones
- Massachusetts Institute for Neurodegenerative Disease, Harvard Medical SchoolCharlestownMAUSA
| | - Tomo Kowa
- Massachusetts Institute for Neurodegenerative Disease, Harvard Medical SchoolCharlestownMAUSA
| | - Mirjam Koker
- Massachusetts Institute for Neurodegenerative Disease, Harvard Medical SchoolCharlestownMAUSA
| | - Kelly Han
- Massachusetts Institute for Neurodegenerative Disease, Harvard Medical SchoolCharlestownMAUSA
| | - Bradley T. Hyman
- Massachusetts Institute for Neurodegenerative Disease, Harvard Medical SchoolCharlestownMAUSA
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21
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Makarova A, Bercury KK, Adams KW, Joyner D, Deng M, Spoelgen R, Koker M, Strickland DK, Hyman BT. The LDL receptor-related protein can form homo-dimers in neuronal cells. Neurosci Lett 2008; 442:91-5. [PMID: 18602448 DOI: 10.1016/j.neulet.2008.06.070] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/29/2007] [Revised: 06/13/2008] [Accepted: 06/18/2008] [Indexed: 10/21/2022]
Abstract
The ability of the low density lipoprotein receptor-related protein (LRP) to form homo-dimers was studied in mouse neuroblastoma and human neuroglioma cells as well as in primary cortical cultures from adult mouse brain. Homo-dimerization of LRP light chain (LC) was shown by several methods including co-immunoprecipitation, fluorescence lifetime imaging microscopy, and bimolecular fluorescence complementation assay. The requirement of intact NPXY motifs of LRP LC for homo-dimerization was ruled out by co-immunoprecipitation assay.
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Affiliation(s)
- Alexandra Makarova
- MassGeneral Institute for Neurodegenerative Disease, Massachusetts General Hospital, Harvard Medical School, Charlestown, MA 02129, USA
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22
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von Arnim CAF, Spoelgen R, Peltan ID, Deng M, Courchesne S, Koker M, Matsui T, Kowa H, Lichtenthaler SF, Irizarry MC, Hyman BT. GGA1 acts as a spatial switch altering amyloid precursor protein trafficking and processing. J Neurosci 2006; 26:9913-22. [PMID: 17005855 PMCID: PMC6674476 DOI: 10.1523/jneurosci.2290-06.2006] [Citation(s) in RCA: 51] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022] Open
Abstract
The beta-amyloid (Abeta) precursor protein (APP) is cleaved sequentially by beta-site of APP-cleaving enzyme (BACE) and gamma-secretase to release the Abeta peptides that accumulate in plaques in Alzheimer's disease (AD). GGA1, a member of the Golgi-localized gamma-ear-containing ARF-binding (GGA) protein family, interacts with BACE and influences its subcellular distribution. We now report that overexpression of GGA1 in cells increased the APP C-terminal fragment resulting from beta-cleavage but surprisingly reduced Abeta. GGA1 confined APP to the Golgi, in which fluorescence resonance energy transfer analyses suggest that the proteins come into close proximity. GGA1 blunted only APP but not notch intracellular domain release. These results suggest that GGA1 prevented APP beta-cleavage products from becoming substrates for gamma-secretase. Direct binding of GGA1 to BACE was not required for these effects, but the integrity of the GAT (GGA1 and TOM) domain of GGA1 was. GGA1 may act as a specific spatial switch influencing APP trafficking and processing, so that APP-GGA1 interactions may have pathophysiological relevance in AD.
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Affiliation(s)
- Christine A. F. von Arnim
- Alzheimer Disease Research Laboratory, Massachusetts General Hospital, Harvard Medical School, Charlestown, Massachusetts 02129
- Department of Neurology, Ulm University, D-89081 Ulm, Germany, and
| | - Robert Spoelgen
- Alzheimer Disease Research Laboratory, Massachusetts General Hospital, Harvard Medical School, Charlestown, Massachusetts 02129
| | - Ithan D. Peltan
- Alzheimer Disease Research Laboratory, Massachusetts General Hospital, Harvard Medical School, Charlestown, Massachusetts 02129
| | - Meihua Deng
- Alzheimer Disease Research Laboratory, Massachusetts General Hospital, Harvard Medical School, Charlestown, Massachusetts 02129
| | - Stephanie Courchesne
- Alzheimer Disease Research Laboratory, Massachusetts General Hospital, Harvard Medical School, Charlestown, Massachusetts 02129
| | - Mirjam Koker
- Alzheimer Disease Research Laboratory, Massachusetts General Hospital, Harvard Medical School, Charlestown, Massachusetts 02129
| | - Toshifumi Matsui
- Alzheimer Disease Research Laboratory, Massachusetts General Hospital, Harvard Medical School, Charlestown, Massachusetts 02129
| | - Hisatomo Kowa
- Alzheimer Disease Research Laboratory, Massachusetts General Hospital, Harvard Medical School, Charlestown, Massachusetts 02129
| | | | - Michael C. Irizarry
- Alzheimer Disease Research Laboratory, Massachusetts General Hospital, Harvard Medical School, Charlestown, Massachusetts 02129
| | - Bradley T. Hyman
- Alzheimer Disease Research Laboratory, Massachusetts General Hospital, Harvard Medical School, Charlestown, Massachusetts 02129
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23
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Spoelgen R, von Arnim CAF, Thomas AV, Peltan ID, Koker M, Deng A, Irizarry MC, Andersen OM, Willnow TE, Hyman BT. Interaction of the cytosolic domains of sorLA/LR11 with the amyloid precursor protein (APP) and beta-secretase beta-site APP-cleaving enzyme. J Neurosci 2006; 26:418-28. [PMID: 16407538 PMCID: PMC6674411 DOI: 10.1523/jneurosci.3882-05.2006] [Citation(s) in RCA: 136] [Impact Index Per Article: 7.6] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022] Open
Abstract
sorLA is a recently identified neuronal receptor for amyloid precursor protein (APP) that is known to interact with APP and affect its intracellular transport and processing. Decreased levels of sorLA in the brain of Alzheimer's disease (AD) patients and elevated levels of amyloid-beta peptide (Abeta) in sorLA-deficient mice point to the importance of the receptor in this neurodegenerative disorder. We analyzed APP cleavage in an APP-shedding assay and found that both sorLA and, surprisingly, a sorLA tail construct inhibited APP cleavage in a beta-site APP-cleaving enzyme (BACE)-dependent manner. In line with this finding, sorLA and the sorLA tail significantly reduced secreted Abeta levels when BACE was overexpressed, suggesting that sorLA influences beta-cleavage. To understand the effect of sorLA on APP cleavage by BACE, we analyzed whether sorLA interacts with APP and/or BACE. Because both full-length sorLA and sorLA C-terminal tail constructs were functionally relevant for APP processing, we analyzed sorLA-APP for a potential cytoplasmatic interaction domain. sorLA and C99 coimmunoprecipitated, pointing toward the existence of a new cytoplasmatic interaction site between sorLA and APP. Moreover, sorLA and BACE also coimmunoprecipitate. Thus, sorLA interacts both with BACE and APP and might therefore directly affect BACE-APP complex formation. To test whether sorLA impacts BACE-APP interactions, we used a fluorescence resonance energy transfer assay to evaluate BACE-APP interactions in cells. We discovered that sorLA significantly reduced BACE-APP interactions in Golgi. We postulate that sorLA acts as a trafficking receptor that prevents BACE-APP interactions and hence BACE cleavage of APP.
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Affiliation(s)
- Robert Spoelgen
- Alzheimer's Disease Research Laboratory, Massachusetts General Hospital, Harvard Medical School, Charlestown, Massachusetts 02129, USA
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24
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Redecke L, Meyer-Klaucke W, Koker M, Clos J, Georgieva D, Genov N, Echner H, Kalbacher H, Perbandt M, Bredehorst R, Voelter W, Betzel C. Comparative Analysis of the Human and Chicken Prion Protein Copper Binding Regions at pH 6.5. J Biol Chem 2005; 280:13987-92. [PMID: 15684434 DOI: 10.1074/jbc.m411775200] [Citation(s) in RCA: 27] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/06/2022] Open
Abstract
Recent experimental evidence supports the hypothesis that prion proteins (PrPs) are involved in the Cu(II) metabolism. Moreover, the copper binding region has been implicated in transmissible spongiform encephalopathies, which are caused by the infectious isoform of prion proteins (PrP(Sc)). In contrast to mammalian PrP, avian prion proteins have a considerably different N-terminal copper binding region and, most interestingly, are not able to undergo the conversion process into an infectious isoform. Therefore, we applied x-ray absorption spectroscopy to analyze in detail the Cu(II) geometry of selected synthetic human PrP Cu(II) octapeptide complexes in comparison with the corresponding chicken PrP hexapeptide complexes at pH 6.5, which mimics the conditions in the endocytic compartments of neuronal cells. Our results revealed that structure and coordination of the human PrP copper binding sites are highly conserved in the pH 6.5-7.4 range, indicating that the reported pH dependence of copper binding to PrP becomes significant at lower pH values. Furthermore, the different chicken PrP hexarepeat motifs display homologous Cu(II) coordination at sub-stoichiometric copper concentrations. Regarding the fully cation-saturated prion proteins, however, a reduced copper coordination capability is supposed for the chicken prion protein based on the observation that chicken PrP is not able to form an intra-repeat Cu(II) binding site. These results provide new insights into the prion protein structure-function relationship and the conversion process of PrP.
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Affiliation(s)
- Lars Redecke
- Center of Experimental Medicine, Institute of Biochemistry and Molecular Biology I, University Hospital Hamburg-Eppendorf, c/o Deutsches Elektronen Synchrotron (DESY), Hamburg, Germany
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25
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Georgieva D, Rypniewski W, Echner H, Perbandt M, Koker M, Clos J, Redecke L, Bredehorst R, Voelter W, Genov N, Betzel C. Synthetic human prion protein octapeptide repeat binds to the proteinase K active site. Biochem Biophys Res Commun 2004; 325:1406-11. [PMID: 15555583 DOI: 10.1016/j.bbrc.2004.10.184] [Citation(s) in RCA: 8] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/18/2004] [Indexed: 11/15/2022]
Abstract
Proteinase K is widely used in tests for the presence of infectious prion protein causing fatal spongiform encephalopathies. To investigate possible interactions between the enzyme and the functionally important N-terminal prion domain, we crystallized mercury-inhibited proteinase K in the presence of the synthetic peptides GGGWGQPH and HGGGW. The octapeptide sequence is identical to that of a single octapeptide repeat (OPR) from the physiologically important OPR region. Here, we present the first direct evidence for the complex formation between a proteolytic enzyme and a segment of human prion molecule. The X-ray structures of the complexes at 1.4 and 1.8A resolution, respectively, revealed that in both cases the segment GGG is strongly bound as a real substrate at the substrate recognition site of the proteinase forming an antiparallel beta-strand between the two parallel strands of Asn99-Tyr104 and Ser132-Gly136. The complex is stabilized through an extended H-bonding network.
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Affiliation(s)
- Dessislava Georgieva
- Zentrum für Experimentelle Medizin, Institut für Biochemie und Molekularbiologie I, Universitätsklinikum Hamburg-Eppendorf, c/o DESY, Notkestrasse 85, Geb. 22a, 22603 Hamburg, Germany
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26
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Georgieva D, Koker M, Redecke L, Perbandt M, Clos J, Bredehorst R, Genov N, Betzel C. Oligomerization of the proteolytic products is an intrinsic property of prion proteins. Biochem Biophys Res Commun 2004; 323:1278-86. [PMID: 15451435 DOI: 10.1016/j.bbrc.2004.08.230] [Citation(s) in RCA: 18] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/30/2004] [Indexed: 10/26/2022]
Abstract
In the present study we show that the oligomerization of the proteolytic products is an intrinsic property of prion proteins. No such oligomerization was observed for the proteolytic products of other proteins after identical treatment. The rate of enzymatic hydrolysis of recombinant human (rhPrP) (23-231) and golden hamster (rmaPrP) (23-231) prion proteins as well as that of rmaPrP (90-231), corresponding to the infectious fragment of the scrapie form, drastically increases in the presence of chemical chaperones like dimethyl sulphoxide and glycerol as well as in 20% ethanol. A bacterial proteinase, termed "prionase," has a superior efficiency towards prion proteins in comparison to proteinase K and subtilisin DY. The early steps in the proteolysis by the latter enzymes have been identified. The results have potential impact on the treatment of scrapie-infected materials.
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Affiliation(s)
- Dessislava Georgieva
- Universitätsklinikum Hamburg-Eppendorf, Zentrum für Experimentelle Medizin, Institut für Biochemie und Molekularbiologie I, c/o DESY, Notkestrasse 85, Geb. 22a, 22603 Hamburg, Germany
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