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Donato E, Correia N, Andresen C, Karpova D, Würth R, Klein C, Sohn M, Przybylla A, Zeisberger P, Rothfelder K, Salih H, Bonig H, Stasik S, Röllig C, Dolnik A, Bullinger L, Buchholz F, Thiede C, Hübschmann D, Trumpp A. Retained functional normal and preleukemic HSCs at diagnosis are associated with good prognosis in DNMT3AmutNPM1mut AMLs. Blood Adv 2023; 7:1011-1018. [PMID: 36453648 PMCID: PMC10036514 DOI: 10.1182/bloodadvances.2022008497] [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] [Received: 07/05/2022] [Revised: 10/27/2022] [Accepted: 11/08/2022] [Indexed: 12/03/2022] Open
Abstract
Acute myeloid leukemia (AML) is a heterogeneous disease characterized by high rate of relapse and mortality. Current chemotherapies whilst successful in eradicating blasts, are less effective in eliminating relapse-causing leukemic stem cells (LSCs). Although LSCs are usually identified as CD34+CD38- cells, there is significant heterogeneity in surface marker expression, and CD34- LSCs exist particularly in NPM1mut AMLs. By analyzing diagnostic primary DNMT3AmutNPM1mut AML samples, we suggest a novel flow cytometry sorting strategy particularly useful for CD34neg AML subtypes. To enrich for LSCs independently of CD34 status, positive selection for GPR56 and negative selection for NKG2D ligands are used. We show that the functional reconstitution capacity of CD34- and CD34+ LSCs as well as their transcriptomes are very similar which support phenotypic plasticity. Furthermore, we show that although CD34+ subpopulations can contain next to LSCs also normal and/or preleukemic hematopoietic stem cells (HSCs), this is not the case in CD34-GPR56+NKG2DL- enriched LSCs which thus can be isolated with high purity. Finally, we show that patients with AML, who retain at the time of diagnosis a reserve of normal and/or preleukemic HSCs in their bone marrow able to reconstitute immunocompromised mice, have significantly longer relapse-free and overall survival than patients with AML in whom functional HSCs are no longer detectable.
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Affiliation(s)
- Elisa Donato
- Division of Stem Cells and Cancer, German Cancer Research Center (DKFZ) and DKFZ-ZMBH Alliance, Heidelberg, Germany
- Heidelberg Institute for Stem Cell Technology and Experimental Medicine (HI-STEM gGmbH), Heidelberg, Germany
| | - Nadia Correia
- Division of Stem Cells and Cancer, German Cancer Research Center (DKFZ) and DKFZ-ZMBH Alliance, Heidelberg, Germany
- Heidelberg Institute for Stem Cell Technology and Experimental Medicine (HI-STEM gGmbH), Heidelberg, Germany
| | - Carolin Andresen
- Division of Stem Cells and Cancer, German Cancer Research Center (DKFZ) and DKFZ-ZMBH Alliance, Heidelberg, Germany
- Heidelberg Institute for Stem Cell Technology and Experimental Medicine (HI-STEM gGmbH), Heidelberg, Germany
- Faculty of Biosciences, Heidelberg University, Heidelberg, Germany
| | - Darja Karpova
- Division of Stem Cells and Cancer, German Cancer Research Center (DKFZ) and DKFZ-ZMBH Alliance, Heidelberg, Germany
- Heidelberg Institute for Stem Cell Technology and Experimental Medicine (HI-STEM gGmbH), Heidelberg, Germany
| | - Roberto Würth
- Division of Stem Cells and Cancer, German Cancer Research Center (DKFZ) and DKFZ-ZMBH Alliance, Heidelberg, Germany
- Heidelberg Institute for Stem Cell Technology and Experimental Medicine (HI-STEM gGmbH), Heidelberg, Germany
| | - Corinna Klein
- Division of Stem Cells and Cancer, German Cancer Research Center (DKFZ) and DKFZ-ZMBH Alliance, Heidelberg, Germany
- Heidelberg Institute for Stem Cell Technology and Experimental Medicine (HI-STEM gGmbH), Heidelberg, Germany
| | - Markus Sohn
- Division of Stem Cells and Cancer, German Cancer Research Center (DKFZ) and DKFZ-ZMBH Alliance, Heidelberg, Germany
- Heidelberg Institute for Stem Cell Technology and Experimental Medicine (HI-STEM gGmbH), Heidelberg, Germany
| | - Adriana Przybylla
- Division of Stem Cells and Cancer, German Cancer Research Center (DKFZ) and DKFZ-ZMBH Alliance, Heidelberg, Germany
- Heidelberg Institute for Stem Cell Technology and Experimental Medicine (HI-STEM gGmbH), Heidelberg, Germany
| | - Petra Zeisberger
- Division of Stem Cells and Cancer, German Cancer Research Center (DKFZ) and DKFZ-ZMBH Alliance, Heidelberg, Germany
- Heidelberg Institute for Stem Cell Technology and Experimental Medicine (HI-STEM gGmbH), Heidelberg, Germany
| | - Kathrin Rothfelder
- Department of Internal Medicine II, Hematology and Oncology, Eberhard-Karls University, Tübingen, Germany
| | - Helmut Salih
- Department of Internal Medicine II, Hematology and Oncology, Eberhard-Karls University, Tübingen, Germany
| | - Halvard Bonig
- Institute for Transfusion Medicine and Immunohematology, Goethe University, and German Red Cross Blood Service Baden-Württemberg-Hessen, Frankfurt am Main, Germany
| | - Sebastian Stasik
- Medical Department I, University Hospital Carl Gustav Carus, Technische Universität (TU) Dresden, Dresden, Germany
| | - Christoph Röllig
- Medical Department I, University Hospital Carl Gustav Carus, Technische Universität (TU) Dresden, Dresden, Germany
| | - Anna Dolnik
- Department of Hematology, Oncology and Cancer Immunology, Charité - Universitätsmedizin Berlin, corporate member of Freie Universität Berlin and Humboldt-Universität zu Berlin, Berlin, Germany
| | - Lars Bullinger
- Department of Hematology, Oncology and Cancer Immunology, Charité - Universitätsmedizin Berlin, corporate member of Freie Universität Berlin and Humboldt-Universität zu Berlin, Berlin, Germany
- German Cancer Consortium (DKTK)
| | - Frank Buchholz
- Medical Department I, University Hospital Carl Gustav Carus, Technische Universität (TU) Dresden, Dresden, Germany
- National Center for Tumor Diseases (NCT/UCC), Dresden, Germany
- German Cancer Research Center (DKFZ), Heidelberg, Germany
- German Cancer Consortium (DKTK), Partner Site Dresden and German Cancer Research Center (DKFZ), Germany
- Faculty of Medicine and University Hospital Carl Gustav Carus, Technische Universität Dresden, Dresden, Germany
- Helmholtz-Zentrum Dresden - Rossendorf (HZDR), Dresden, Germany
| | - Christian Thiede
- Medical Department I, University Hospital Carl Gustav Carus, Technische Universität (TU) Dresden, Dresden, Germany
| | - Daniel Hübschmann
- Division of Stem Cells and Cancer, German Cancer Research Center (DKFZ) and DKFZ-ZMBH Alliance, Heidelberg, Germany
- Heidelberg Institute for Stem Cell Technology and Experimental Medicine (HI-STEM gGmbH), Heidelberg, Germany
- German Cancer Consortium (DKTK)
- Computational Oncology, Molecular Precision Oncology Program, German Cancer Research Center/ National Center for Tumor Diseases Heidelberg (NCT), Heidelberg, Germany
| | - Andreas Trumpp
- Division of Stem Cells and Cancer, German Cancer Research Center (DKFZ) and DKFZ-ZMBH Alliance, Heidelberg, Germany
- Heidelberg Institute for Stem Cell Technology and Experimental Medicine (HI-STEM gGmbH), Heidelberg, Germany
- German Cancer Consortium (DKTK)
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Andresen C, Boch T, Gegner HM, Mechtel N, Narr A, Birgin E, Rasbach E, Rahbari N, Trumpp A, Poschet G, Hübschmann D. Comparison of extraction methods for intracellular metabolomics of human tissues. Front Mol Biosci 2022; 9:932261. [PMID: 36090025 PMCID: PMC9461704 DOI: 10.3389/fmolb.2022.932261] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/29/2022] [Accepted: 07/12/2022] [Indexed: 11/16/2022] Open
Abstract
Analyses of metabolic compounds inside cells or tissues provide high information content since they represent the endpoint of biological information flow and are a snapshot of the integration of many regulatory processes. However, quantification of the abundance of metabolites requires their careful extraction. We present a comprehensive study comparing ten extraction protocols in four human sample types (liver tissue, bone marrow, HL60, and HEK cells) aiming to detect and quantify up to 630 metabolites of different chemical classes. We show that the extraction efficiency and repeatability are highly variable across protocols, tissues, and chemical classes of metabolites. We used different quality metrics including the limit of detection and variability between replicates as well as the sum of concentrations as a global estimate of analytical repeatability of the extraction. The coverage of extracted metabolites depends on the used solvents, which has implications for the design of measurements of different sample types and metabolic compounds of interest. The benchmark dataset can be explored in an easy-to-use, interactive, and flexible online resource (R/shiny app MetaboExtract: http://www.metaboextract.shiny.dkfz.de) for context-specific selection of the optimal extraction method. Furthermore, data processing and conversion functionality underlying the shiny app are accessible as an R package: https://cran.r-project.org/package=MetAlyzer.
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Affiliation(s)
- Carolin Andresen
- Heidelberg Institute for Stem Cell Technology and Experimental Medicine (HI-STEM gGmbH), Heidelberg, Germany
- Division of Stem Cells and Cancer, German Cancer Research Center and DKFZ-ZMBH Alliance, Heidelberg, Germany
- Faculty of Biosciences, Heidelberg University, Heidelberg, Germany
| | - Tobias Boch
- Heidelberg Institute for Stem Cell Technology and Experimental Medicine (HI-STEM gGmbH), Heidelberg, Germany
- Division of Stem Cells and Cancer, German Cancer Research Center and DKFZ-ZMBH Alliance, Heidelberg, Germany
- Division of Personalized Medical Oncology, German Cancer Research Center, Heidelberg, Germany
- Department of Personalized Oncology, University Hospital Mannheim, University of Heidelberg, Mannheim, Germany
- DKFZ-Hector Cancer Institute at the University Medical Center Mannheim, Mannheim, Germany
| | - Hagen M. Gegner
- Centre for Organismal Studies (COS), Heidelberg University, Heidelberg, Germany
| | - Nils Mechtel
- Centre for Organismal Studies (COS), Heidelberg University, Heidelberg, Germany
| | - Andreas Narr
- Heidelberg Institute for Stem Cell Technology and Experimental Medicine (HI-STEM gGmbH), Heidelberg, Germany
- Division of Stem Cells and Cancer, German Cancer Research Center and DKFZ-ZMBH Alliance, Heidelberg, Germany
- Faculty of Biosciences, Heidelberg University, Heidelberg, Germany
| | - Emrullah Birgin
- Department of Surgery, Medical Faculty Mannheim, Universitätsmedizin Mannheim, Heidelberg University, Mannheim, Germany
| | - Erik Rasbach
- Department of Surgery, Medical Faculty Mannheim, Universitätsmedizin Mannheim, Heidelberg University, Mannheim, Germany
| | - Nuh Rahbari
- Department of Surgery, Medical Faculty Mannheim, Universitätsmedizin Mannheim, Heidelberg University, Mannheim, Germany
| | - Andreas Trumpp
- Heidelberg Institute for Stem Cell Technology and Experimental Medicine (HI-STEM gGmbH), Heidelberg, Germany
- Division of Stem Cells and Cancer, German Cancer Research Center and DKFZ-ZMBH Alliance, Heidelberg, Germany
- German Cancer Consortium (DKTK), Heidelberg, Germany
| | - Gernot Poschet
- Centre for Organismal Studies (COS), Heidelberg University, Heidelberg, Germany
| | - Daniel Hübschmann
- Heidelberg Institute for Stem Cell Technology and Experimental Medicine (HI-STEM gGmbH), Heidelberg, Germany
- German Cancer Consortium (DKTK), Heidelberg, Germany
- Computational Oncology, Molecular Diagnostics Program, National Center for Tumor Diseases (NCT) Heidelberg and German Cancer Research Center (DKFZ), Heidelberg, Germany
- *Correspondence: Daniel Hübschmann,
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3
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Heilig CE, Laßmann A, Mughal SS, Mock A, Pirmann S, Teleanu V, Renner M, Andresen C, Köhler BC, Aybey B, Bauer S, Siveke JT, Hamacher R, Folprecht G, Richter S, Schröck E, Brandts CH, Ahrens M, Hohenberger P, Egerer G, Kindler T, Boerries M, Illert AL, von Bubnoff N, Apostolidis L, Jost PJ, Westphalen CB, Weichert W, Keilholz U, Klauschen F, Beck K, Winter U, Richter D, Möhrmann L, Bitzer M, Schulze-Osthoff K, Brors B, Mechtersheimer G, Kreutzfeldt S, Heining C, Lipka DB, Stenzinger A, Schlenk RF, Horak P, Glimm H, Hübschmann D, Fröhling S. Gene expression-based prediction of pazopanib efficacy in sarcoma. Eur J Cancer 2022; 172:107-118. [PMID: 35763870 DOI: 10.1016/j.ejca.2022.05.025] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/04/2022] [Revised: 04/28/2022] [Accepted: 05/12/2022] [Indexed: 11/03/2022]
Abstract
BACKGROUND The multi-receptor tyrosine kinase inhibitor pazopanib is approved for the treatment of advanced soft-tissue sarcoma and has also shown activity in other sarcoma subtypes. However, its clinical efficacy is highly variable, and no reliable predictors exist to select patients who are likely to benefit from this drug. PATIENTS AND METHODS We analysed the molecular profiles and clinical outcomes of patients with pazopanib-treated sarcoma enrolled in a prospective observational study by the German Cancer Consortium, DKTK MASTER, that employs whole-genome/exome sequencing and transcriptome sequencing to inform the care of young adults with advanced cancer across histology and patients with rare cancers. RESULTS Among 109 patients with available whole-genome/exome sequencing data, there was no correlation between clinical parameters, specific genetic alterations or mutational signatures and clinical outcome. In contrast, the analysis of a subcohort of 62 patients who underwent molecular analysis before pazopanib treatment and had transcriptome sequencing data available showed that mRNA levels of NTRK3 (hazard ratio [HR] = 0.53, p = 0.021), IGF1R (HR = 1.82, p = 0.027) and KDR (HR = 0.50, p = 0.011) were independently associated with progression-free survival (PFS). Based on the expression of these multi-receptor tyrosine kinase genes, i.e. the features NTRK3-high, IGF1R-low and KDR-high, we developed a pazopanib efficacy predictor that stratified patients into three groups with significantly different PFS (p < 0.0001). Application of the pazopanib efficacy predictor to an independent cohort of patients with pazopanib-treated sarcoma from DKTK MASTER (n = 43) confirmed its potential to separate patient groups with significantly different PFS (p = 0.02), whereas no such association was observed in patients with sarcoma from DKTK MASTER (n = 97) or The Cancer Genome Atlas sarcoma cohort (n = 256) who were not treated with pazopanib. CONCLUSION A score based on the combined expression of NTRK3, IGF1R and KDR allows the identification of patients with sarcoma and with good, intermediate and poor outcome following pazopanib therapy and warrants prospective investigation as a predictive tool to optimise the use of this drug in the clinic.
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Affiliation(s)
- Christoph E Heilig
- Department of Translational Medical Oncology, National Center for Tumor Diseases (NCT) Heidelberg and German Cancer Research Center (DKFZ), Heidelberg, Germany; German Cancer Consortium (DKTK), Heidelberg, Germany. https://twitter.com/ChrisHeiligMD
| | - Andreas Laßmann
- Department of Translational Medical Oncology, National Center for Tumor Diseases (NCT) Heidelberg and German Cancer Research Center (DKFZ), Heidelberg, Germany
| | - Sadaf S Mughal
- Division of Applied Bioinformatics, DKFZ, Heidelberg, Germany
| | - Andreas Mock
- Department of Translational Medical Oncology, National Center for Tumor Diseases (NCT) Heidelberg and German Cancer Research Center (DKFZ), Heidelberg, Germany; German Cancer Consortium (DKTK), Heidelberg, Germany; Department of Medical Oncology, NCT Heidelberg and Heidelberg University Hospital, Heidelberg, Germany. https://twitter.com/am0ck
| | - Sebastian Pirmann
- Computational Oncology Group, Molecular Precision Oncology Program, NCT Heidelberg and DKFZ, Heidelberg, Germany
| | - Veronica Teleanu
- Department of Translational Medical Oncology, National Center for Tumor Diseases (NCT) Heidelberg and German Cancer Research Center (DKFZ), Heidelberg, Germany; German Cancer Consortium (DKTK), Heidelberg, Germany; Department of Hematology, Oncology and Rheumatology, Heidelberg University Hospital, Heidelberg, Germany
| | - Marcus Renner
- Department of Translational Medical Oncology, National Center for Tumor Diseases (NCT) Heidelberg and German Cancer Research Center (DKFZ), Heidelberg, Germany; Institute of Pathology, Heidelberg University Hospital, Heidelberg, Germany
| | - Carolin Andresen
- Pattern Recognition and Digital Medicine Group, Heidelberg Institute for Stem Cell Technology and Experimental Medicine, Heidelberg, Germany
| | - Bruno C Köhler
- Department of Medical Oncology, NCT Heidelberg and Heidelberg University Hospital, Heidelberg, Germany. https://twitter.com/koehlerlab
| | - Bogac Aybey
- Division of Applied Bioinformatics, DKFZ, Heidelberg, Germany; Faculty of Biosciences, Heidelberg University, Heidelberg, Germany
| | - Sebastian Bauer
- Department of Medical Oncology, West German Cancer Center, University Hospital Essen, Essen, Germany; DKTK, Essen, Germany. https://twitter.com/seppobauer
| | - Jens T Siveke
- Department of Medical Oncology, West German Cancer Center, University Hospital Essen, Essen, Germany; DKTK, Essen, Germany; Division of Solid Tumor Translational Oncology, DKTK, Essen, and DKFZ, Heidelberg, Germany; Bridge Institute of Experimental Tumor Therapy, West German Cancer Center, University Hospital Essen, Essen, Germany
| | - Rainer Hamacher
- Department of Medical Oncology, West German Cancer Center, University Hospital Essen, Essen, Germany; DKTK, Essen, Germany
| | - Gunnar Folprecht
- Department of Medicine I, University Hospital Carl Gustav Carus, Technical University Dresden, Dresden, Germany
| | - Stephan Richter
- Department of Medicine I, University Hospital Carl Gustav Carus, Technical University Dresden, Dresden, Germany
| | - Evelin Schröck
- Institute for Clinical Genetics, Faculty of Medicine Carl Gustav Carus, Technical University Dresden, Dresden, Germany; Center for Personalized Oncology, University Hospital Carl Gustav Carus, Technical University Dresden, Dresden, Germany; DKTK, Dresden, Germany
| | - Christian H Brandts
- University Cancer Center (UCT) Frankfurt, University Hospital Frankfurt, Goethe University, Frankfurt, Germany; Department of Medicine, Hematology/Oncology, University Hospital Frankfurt, Goethe University, Frankfurt, Germany; Frankfurt Cancer Institute, Frankfurt, Germany; DKTK, Frankfurt, Germany
| | - Marit Ahrens
- Department of Medicine, Hematology/Oncology, University Hospital Frankfurt, Goethe University, Frankfurt, Germany
| | - Peter Hohenberger
- Department of Surgery, Mannheim University Medical Center, Heidelberg University, Mannheim, Germany; Sarcoma Unit, Interdisciplinary Tumor Center Mannheim, Mannheim University Medical Center, Heidelberg University, Mannheim, Germany
| | - Gerlinde Egerer
- Department of Hematology, Oncology and Rheumatology, Heidelberg University Hospital, Heidelberg, Germany
| | - Thomas Kindler
- UCT Mainz, Johannes Gutenberg University Mainz, Mainz, Germany; Department of Hematology, Medical Oncology and Pneumology, University Medical Center, Mainz, Germany; DKTK, Mainz, Germany
| | - Melanie Boerries
- Institute of Medical Bioinformatics and Systems Medicine, University of Freiburg Medical Center, Faculty of Medicine, University of Freiburg, Freiburg, Germany; Comprehensive Cancer Center Freiburg, University of Freiburg Medical Center, Faculty of Medicine, University of Freiburg, Freiburg, Germany; DKTK, Freiburg, Germany
| | - Anna L Illert
- Comprehensive Cancer Center Freiburg, University of Freiburg Medical Center, Faculty of Medicine, University of Freiburg, Freiburg, Germany; DKTK, Freiburg, Germany; Department of Internal Medicine I, University of Freiburg Medical Center, Faculty of Medicine, University of Freiburg, Freiburg, Germany
| | - Nikolas von Bubnoff
- Department of Internal Medicine I, University of Freiburg Medical Center, Faculty of Medicine, University of Freiburg, Freiburg, Germany; Department of Hematology and Oncology, University Hospital of Schleswig-Holstein, Lübeck, Germany
| | - Leonidas Apostolidis
- Department of Medical Oncology, NCT Heidelberg and Heidelberg University Hospital, Heidelberg, Germany
| | - Philipp J Jost
- Department of Hematology and Oncology, Klinikum Rechts der Isar, Technical University Munich, Munich, Germany; Division of Clinical Oncology, Department of Medicine, Medical University of Graz, Graz, Austria; DKTK, Munich, Germany
| | - C Benedikt Westphalen
- DKTK, Munich, Germany; Comprehensive Cancer Center, University Hospital, Ludwig Maximilians University Munich, Munich, Germany; Department of Medicine III, University Hospital, Ludwig Maximilians University Munich, Munich, Germany
| | - Wilko Weichert
- DKTK, Munich, Germany; Institute of Pathology, Technical University Munich, Munich, Germany
| | - Ulrich Keilholz
- Charité Comprehensive Cancer Center, Charité - Universitätsmedizin Berlin, Berlin, Germany; DKTK, Berlin, Germany
| | - Frederick Klauschen
- DKTK, Berlin, Germany; Institute of Pathology, Charité - Universitätsmedizin Berlin, And Berlin Institute of Health, Berlin, Germany; Institute of Pathology, Ludwig Maximilians University Munich, Munich, Germany
| | - Katja Beck
- Department of Translational Medical Oncology, National Center for Tumor Diseases (NCT) Heidelberg and German Cancer Research Center (DKFZ), Heidelberg, Germany; German Cancer Consortium (DKTK), Heidelberg, Germany
| | - Ulrike Winter
- Department of Translational Medical Oncology, National Center for Tumor Diseases (NCT) Heidelberg and German Cancer Research Center (DKFZ), Heidelberg, Germany; German Cancer Consortium (DKTK), Heidelberg, Germany
| | - Daniela Richter
- Center for Personalized Oncology, University Hospital Carl Gustav Carus, Technical University Dresden, Dresden, Germany; DKTK, Dresden, Germany; Department of Translational Medical Oncology, NCT Dresden and DKFZ, Dresden, Germany
| | - Lino Möhrmann
- Center for Personalized Oncology, University Hospital Carl Gustav Carus, Technical University Dresden, Dresden, Germany; DKTK, Dresden, Germany; Department of Translational Medical Oncology, NCT Dresden and DKFZ, Dresden, Germany
| | - Michael Bitzer
- Department of Internal Medicine I, University Hospital, Eberhard-Karls University, Tübingen, Germany; DKTK, Tübingen, Germany
| | - Klaus Schulze-Osthoff
- DKTK, Tübingen, Germany; Department of Molecular Medicine, Interfaculty Institute for Biochemistry, University of Tübingen, Tübingen, Germany
| | - Benedikt Brors
- German Cancer Consortium (DKTK), Heidelberg, Germany; Division of Applied Bioinformatics, DKFZ, Heidelberg, Germany
| | | | - Simon Kreutzfeldt
- Department of Translational Medical Oncology, National Center for Tumor Diseases (NCT) Heidelberg and German Cancer Research Center (DKFZ), Heidelberg, Germany; German Cancer Consortium (DKTK), Heidelberg, Germany
| | - Christoph Heining
- Center for Personalized Oncology, University Hospital Carl Gustav Carus, Technical University Dresden, Dresden, Germany; DKTK, Dresden, Germany; Department of Translational Medical Oncology, NCT Dresden and DKFZ, Dresden, Germany. https://twitter.com/ChrisHeining
| | - Daniel B Lipka
- Department of Translational Medical Oncology, National Center for Tumor Diseases (NCT) Heidelberg and German Cancer Research Center (DKFZ), Heidelberg, Germany; German Cancer Consortium (DKTK), Heidelberg, Germany. https://twitter.com/dblipka1
| | - Albrecht Stenzinger
- German Cancer Consortium (DKTK), Heidelberg, Germany; Institute of Pathology, Heidelberg University Hospital, Heidelberg, Germany
| | - Richard F Schlenk
- German Cancer Consortium (DKTK), Heidelberg, Germany; Department of Medical Oncology, NCT Heidelberg and Heidelberg University Hospital, Heidelberg, Germany; Department of Hematology, Oncology and Rheumatology, Heidelberg University Hospital, Heidelberg, Germany; NCT Trial Center, NCT Heidelberg and DKFZ, Heidelberg, Germany
| | - Peter Horak
- Department of Translational Medical Oncology, National Center for Tumor Diseases (NCT) Heidelberg and German Cancer Research Center (DKFZ), Heidelberg, Germany; German Cancer Consortium (DKTK), Heidelberg, Germany. https://twitter.com/PeterHorak_MD
| | - Hanno Glimm
- Center for Personalized Oncology, University Hospital Carl Gustav Carus, Technical University Dresden, Dresden, Germany; DKTK, Dresden, Germany; Department of Translational Medical Oncology, NCT Dresden and DKFZ, Dresden, Germany
| | - Daniel Hübschmann
- German Cancer Consortium (DKTK), Heidelberg, Germany; Computational Oncology Group, Molecular Precision Oncology Program, NCT Heidelberg and DKFZ, Heidelberg, Germany; Pattern Recognition and Digital Medicine Group, Heidelberg Institute for Stem Cell Technology and Experimental Medicine, Heidelberg, Germany
| | - Stefan Fröhling
- Department of Translational Medical Oncology, National Center for Tumor Diseases (NCT) Heidelberg and German Cancer Research Center (DKFZ), Heidelberg, Germany; German Cancer Consortium (DKTK), Heidelberg, Germany.
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4
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Hernández-Malmierca P, Vonficht D, Schnell A, Uckelmann HJ, Bollhagen A, Mahmoud MAA, Landua SL, van der Salm E, Trautmann CL, Raffel S, Grünschläger F, Lutz R, Ghosh M, Renders S, Correia N, Donato E, Dixon KO, Hirche C, Andresen C, Robens C, Werner PS, Boch T, Eisel D, Osen W, Pilz F, Przybylla A, Klein C, Buchholz F, Milsom MD, Essers MAG, Eichmüller SB, Hofmann WK, Nowak D, Hübschmann D, Hundemer M, Thiede C, Bullinger L, Müller-Tidow C, Armstrong SA, Trumpp A, Kuchroo VK, Haas S. Antigen presentation safeguards the integrity of the hematopoietic stem cell pool. Cell Stem Cell 2022; 29:760-775.e10. [PMID: 35523139 PMCID: PMC9202612 DOI: 10.1016/j.stem.2022.04.007] [Citation(s) in RCA: 27] [Impact Index Per Article: 13.5] [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: 06/29/2020] [Revised: 12/08/2021] [Accepted: 04/08/2022] [Indexed: 12/16/2022]
Abstract
Hematopoietic stem and progenitor cells (HSPCs) are responsible for the production of blood and immune cells. Throughout life, HSPCs acquire oncogenic aberrations that can cause hematological cancers. Although molecular programs maintaining stem cell integrity have been identified, safety mechanisms eliminating malignant HSPCs from the stem cell pool remain poorly characterized. Here, we show that HSPCs constitutively present antigens via major histocompatibility complex class II. The presentation of immunogenic antigens, as occurring during malignant transformation, triggers bidirectional interactions between HSPCs and antigen-specific CD4+ T cells, causing stem cell proliferation, differentiation, and specific exhaustion of aberrant HSPCs. This immunosurveillance mechanism effectively eliminates transformed HSPCs from the hematopoietic system, thereby preventing leukemia onset. Together, our data reveal a bidirectional interaction between HSPCs and CD4+ T cells, demonstrating that HSPCs are not only passive receivers of immunological signals but also actively engage in adaptive immune responses to safeguard the integrity of the stem cell pool.
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Affiliation(s)
- Pablo Hernández-Malmierca
- Heidelberg Institute for Stem Cell Technology and Experimental Medicine (HI-STEM gGmbH), Heidelberg, Germany; Division of Stem Cells and Cancer, Deutsches Krebsforschungszentrum (DKFZ), and DKFZ-ZMBH Alliance, Heidelberg, Germany; Faculty of Biosciences, Heidelberg University, Heidelberg, Germany
| | - Dominik Vonficht
- Heidelberg Institute for Stem Cell Technology and Experimental Medicine (HI-STEM gGmbH), Heidelberg, Germany; Division of Stem Cells and Cancer, Deutsches Krebsforschungszentrum (DKFZ), and DKFZ-ZMBH Alliance, Heidelberg, Germany; Faculty of Biosciences, Heidelberg University, Heidelberg, Germany
| | - Alexandra Schnell
- Evergrande Center for Immunologic Diseases, Harvard Medical School, and Brigham and Women's Hospital, Boston, MA, USA; Klarman Cell Observatory, Broad Institute of MIT and Harvard, Cambridge, MA, USA
| | - Hannah J Uckelmann
- Department of Pediatric Oncology, Dana-Farber Cancer Institute, and Division of Hematology/Oncology, Boston, MA, USA; Boston Children's Hospital and Harvard Medical School, Boston, MA, USA
| | - Alina Bollhagen
- Heidelberg Institute for Stem Cell Technology and Experimental Medicine (HI-STEM gGmbH), Heidelberg, Germany; Division of Stem Cells and Cancer, Deutsches Krebsforschungszentrum (DKFZ), and DKFZ-ZMBH Alliance, Heidelberg, Germany
| | - Mohamed A A Mahmoud
- Heidelberg Institute for Stem Cell Technology and Experimental Medicine (HI-STEM gGmbH), Heidelberg, Germany; Division of Stem Cells and Cancer, Deutsches Krebsforschungszentrum (DKFZ), and DKFZ-ZMBH Alliance, Heidelberg, Germany
| | - Sophie-Luise Landua
- Heidelberg Institute for Stem Cell Technology and Experimental Medicine (HI-STEM gGmbH), Heidelberg, Germany; Division of Stem Cells and Cancer, Deutsches Krebsforschungszentrum (DKFZ), and DKFZ-ZMBH Alliance, Heidelberg, Germany
| | - Elise van der Salm
- Heidelberg Institute for Stem Cell Technology and Experimental Medicine (HI-STEM gGmbH), Heidelberg, Germany; Division of Stem Cells and Cancer, Deutsches Krebsforschungszentrum (DKFZ), and DKFZ-ZMBH Alliance, Heidelberg, Germany
| | - Christine L Trautmann
- Heidelberg Institute for Stem Cell Technology and Experimental Medicine (HI-STEM gGmbH), Heidelberg, Germany; Division of Stem Cells and Cancer, Deutsches Krebsforschungszentrum (DKFZ), and DKFZ-ZMBH Alliance, Heidelberg, Germany
| | - Simon Raffel
- Department of Hematology, Oncology and Rheumatology, University of Heidelberg, Heidelberg, Germany
| | - Florian Grünschläger
- Heidelberg Institute for Stem Cell Technology and Experimental Medicine (HI-STEM gGmbH), Heidelberg, Germany; Division of Stem Cells and Cancer, Deutsches Krebsforschungszentrum (DKFZ), and DKFZ-ZMBH Alliance, Heidelberg, Germany; Faculty of Biosciences, Heidelberg University, Heidelberg, Germany
| | - Raphael Lutz
- Heidelberg Institute for Stem Cell Technology and Experimental Medicine (HI-STEM gGmbH), Heidelberg, Germany; Division of Stem Cells and Cancer, Deutsches Krebsforschungszentrum (DKFZ), and DKFZ-ZMBH Alliance, Heidelberg, Germany; Department of Hematology, Oncology and Rheumatology, University of Heidelberg, Heidelberg, Germany
| | - Michael Ghosh
- Department of Immunology, Institute for Cell Biology, University of Tübingen, Tübingen, Germany
| | - Simon Renders
- Heidelberg Institute for Stem Cell Technology and Experimental Medicine (HI-STEM gGmbH), Heidelberg, Germany; Division of Stem Cells and Cancer, Deutsches Krebsforschungszentrum (DKFZ), and DKFZ-ZMBH Alliance, Heidelberg, Germany; Department of Hematology, Oncology and Rheumatology, University of Heidelberg, Heidelberg, Germany
| | - Nádia Correia
- Heidelberg Institute for Stem Cell Technology and Experimental Medicine (HI-STEM gGmbH), Heidelberg, Germany; Division of Stem Cells and Cancer, Deutsches Krebsforschungszentrum (DKFZ), and DKFZ-ZMBH Alliance, Heidelberg, Germany
| | - Elisa Donato
- Heidelberg Institute for Stem Cell Technology and Experimental Medicine (HI-STEM gGmbH), Heidelberg, Germany; Division of Stem Cells and Cancer, Deutsches Krebsforschungszentrum (DKFZ), and DKFZ-ZMBH Alliance, Heidelberg, Germany
| | - Karin O Dixon
- Evergrande Center for Immunologic Diseases, Harvard Medical School, and Brigham and Women's Hospital, Boston, MA, USA; Klarman Cell Observatory, Broad Institute of MIT and Harvard, Cambridge, MA, USA
| | - Christoph Hirche
- Heidelberg Institute for Stem Cell Technology and Experimental Medicine (HI-STEM gGmbH), Heidelberg, Germany; Division of Inflammatory Stress in Stem Cells, Deutsches Krebsforschungszentrum (DKFZ) and DKFZ-ZMBH Alliance, Heidelberg, Germany
| | - Carolin Andresen
- Heidelberg Institute for Stem Cell Technology and Experimental Medicine (HI-STEM gGmbH), Heidelberg, Germany; Division of Stem Cells and Cancer, Deutsches Krebsforschungszentrum (DKFZ), and DKFZ-ZMBH Alliance, Heidelberg, Germany; Faculty of Biosciences, Heidelberg University, Heidelberg, Germany
| | - Claudia Robens
- Heidelberg Institute for Stem Cell Technology and Experimental Medicine (HI-STEM gGmbH), Heidelberg, Germany; Division of Stem Cells and Cancer, Deutsches Krebsforschungszentrum (DKFZ), and DKFZ-ZMBH Alliance, Heidelberg, Germany
| | - Paula S Werner
- Heidelberg Institute for Stem Cell Technology and Experimental Medicine (HI-STEM gGmbH), Heidelberg, Germany; Division of Inflammatory Stress in Stem Cells, Deutsches Krebsforschungszentrum (DKFZ) and DKFZ-ZMBH Alliance, Heidelberg, Germany
| | - Tobias Boch
- Heidelberg Institute for Stem Cell Technology and Experimental Medicine (HI-STEM gGmbH), Heidelberg, Germany; Division of Stem Cells and Cancer, Deutsches Krebsforschungszentrum (DKFZ), and DKFZ-ZMBH Alliance, Heidelberg, Germany; Department of Hematology and Oncology, University Hospital Mannheim, Mannheim, Germany; Medical Faculty Mannheim, Heidelberg University, Mannheim, Germany
| | - David Eisel
- Research Group GMP & T Cell Therapy, Deutsches Krebsforschungszentrum (DKFZ), Heidelberg, Germany
| | - Wolfram Osen
- Research Group GMP & T Cell Therapy, Deutsches Krebsforschungszentrum (DKFZ), Heidelberg, Germany
| | - Franziska Pilz
- Heidelberg Institute for Stem Cell Technology and Experimental Medicine (HI-STEM gGmbH), Heidelberg, Germany; Division of Inflammatory Stress in Stem Cells, Deutsches Krebsforschungszentrum (DKFZ) and DKFZ-ZMBH Alliance, Heidelberg, Germany
| | - Adriana Przybylla
- Heidelberg Institute for Stem Cell Technology and Experimental Medicine (HI-STEM gGmbH), Heidelberg, Germany; Division of Stem Cells and Cancer, Deutsches Krebsforschungszentrum (DKFZ), and DKFZ-ZMBH Alliance, Heidelberg, Germany
| | - Corinna Klein
- Heidelberg Institute for Stem Cell Technology and Experimental Medicine (HI-STEM gGmbH), Heidelberg, Germany; Division of Stem Cells and Cancer, Deutsches Krebsforschungszentrum (DKFZ), and DKFZ-ZMBH Alliance, Heidelberg, Germany
| | - Frank Buchholz
- Medical Faculty, University Hospital Carl Gustav Carus, NCT/UCC Section Medical Systems Biology, TU Dresden, Dresden, Germany
| | - Michael D Milsom
- Heidelberg Institute for Stem Cell Technology and Experimental Medicine (HI-STEM gGmbH), Heidelberg, Germany; Division of Experimental Hematology, Deutsches Krebsforschungszentrum (DKFZ) and DKFZ-ZMBH Alliance, Heidelberg, Germany
| | - Marieke A G Essers
- Heidelberg Institute for Stem Cell Technology and Experimental Medicine (HI-STEM gGmbH), Heidelberg, Germany; Division of Inflammatory Stress in Stem Cells, Deutsches Krebsforschungszentrum (DKFZ) and DKFZ-ZMBH Alliance, Heidelberg, Germany
| | - Stefan B Eichmüller
- Research Group GMP & T Cell Therapy, Deutsches Krebsforschungszentrum (DKFZ), Heidelberg, Germany
| | - Wolf-Karsten Hofmann
- Department of Hematology and Oncology, University Hospital Mannheim, Mannheim, Germany; Medical Faculty Mannheim, Heidelberg University, Mannheim, Germany
| | - Daniel Nowak
- Department of Hematology and Oncology, University Hospital Mannheim, Mannheim, Germany; Medical Faculty Mannheim, Heidelberg University, Mannheim, Germany
| | - Daniel Hübschmann
- Heidelberg Institute for Stem Cell Technology and Experimental Medicine (HI-STEM gGmbH), Heidelberg, Germany; Computational Oncology, Molecular Precision Oncology Program, National Center for Tumor Diseases (NCT) Heidelberg and Deutsches Krebsforschungszentrum (DKFZ), Heidelberg, Germany; German Cancer Consortium (DKTK), Heidelberg, Germany
| | - Michael Hundemer
- Department of Hematology, Oncology and Rheumatology, University of Heidelberg, Heidelberg, Germany
| | - Christian Thiede
- German Cancer Consortium (DKTK), Heidelberg, Germany; Medical Department 1, University Hospital Carl Gustav Carus, TU Dresden, Dresden, Germany
| | - Lars Bullinger
- German Cancer Consortium (DKTK), Heidelberg, Germany; Charité-Universitätsmedizin Berlin, Corporate Member of Freie Universität Berlin, Humboldt-Universität zu Berlin, Department of Hematology, Oncology and Cancer Immunology, Berlin, Germany
| | - Carsten Müller-Tidow
- Department of Hematology, Oncology and Rheumatology, University of Heidelberg, Heidelberg, Germany; Molecular Medicine Partnership Unit, European Molecular Biology Laboratory, University of Heidelberg, Heidelberg, Germany
| | - Scott A Armstrong
- Department of Pediatric Oncology, Dana-Farber Cancer Institute, and Division of Hematology/Oncology, Boston, MA, USA; Boston Children's Hospital and Harvard Medical School, Boston, MA, USA
| | - Andreas Trumpp
- Heidelberg Institute for Stem Cell Technology and Experimental Medicine (HI-STEM gGmbH), Heidelberg, Germany; Division of Stem Cells and Cancer, Deutsches Krebsforschungszentrum (DKFZ), and DKFZ-ZMBH Alliance, Heidelberg, Germany; German Cancer Consortium (DKTK), Heidelberg, Germany.
| | - Vijay K Kuchroo
- Evergrande Center for Immunologic Diseases, Harvard Medical School, and Brigham and Women's Hospital, Boston, MA, USA; Klarman Cell Observatory, Broad Institute of MIT and Harvard, Cambridge, MA, USA.
| | - Simon Haas
- Heidelberg Institute for Stem Cell Technology and Experimental Medicine (HI-STEM gGmbH), Heidelberg, Germany; Division of Stem Cells and Cancer, Deutsches Krebsforschungszentrum (DKFZ), and DKFZ-ZMBH Alliance, Heidelberg, Germany; German Cancer Consortium (DKTK), Heidelberg, Germany; Charité-Universitätsmedizin Berlin, Corporate Member of Freie Universität Berlin, Humboldt-Universität zu Berlin, Department of Hematology, Oncology and Cancer Immunology, Berlin, Germany; Berlin Institute of Health (BIH) at Charité - Universitätsmedizin Berlin, Berlin, Germany; Berlin Institute for Medical Systems Biology, Max Delbrück Center for Molecular Medicine in the Helmholtz Association, Berlin, Germany.
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5
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Gegner HM, Mechtel N, Heidenreich E, Wirth A, Cortizo FG, Bennewitz K, Fleming T, Andresen C, Freichel M, Teleman AA, Kroll J, Hell R, Poschet G. Deep Metabolic Profiling Assessment of Tissue Extraction Protocols for Three Model Organisms. Front Chem 2022; 10:869732. [PMID: 35548679 PMCID: PMC9083328 DOI: 10.3389/fchem.2022.869732] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/04/2022] [Accepted: 04/05/2022] [Indexed: 12/12/2022] Open
Abstract
Metabolic profiling harbors the potential to better understand various disease entities such as cancer, diabetes, Alzheimer’s, Parkinson’s disease or COVID-19. To better understand such diseases and their intricate metabolic pathways in human studies, model animals are regularly used. There, standardized rearing conditions and uniform sampling strategies are prerequisites towards a successful metabolomic study that can be achieved through model organisms. Although metabolomic approaches have been employed on model organisms before, no systematic assessment of different conditions to optimize metabolite extraction across several organisms and sample types has been conducted. We address this issue using a highly standardized metabolic profiling assay analyzing 630 metabolites across three commonly used model organisms (Drosophila, mouse, and zebrafish) to find an optimal extraction protocol for various matrices. Focusing on parameters such as metabolite coverage, concentration and variance between replicates we compared seven extraction protocols. We found that the application of a combination of 75% ethanol and methyl tertiary-butyl ether (MTBE), while not producing the broadest coverage and highest concentrations, was the most reproducible extraction protocol. We were able to determine up to 530 metabolites in mouse kidney samples, 509 in mouse liver, 422 in zebrafish and 388 in Drosophila and discovered a core overlap of 261 metabolites in these four matrices. To enable other scientists to search for the most suitable extraction protocol in their experimental context and interact with this comprehensive data, we have integrated our data set in the open-source shiny app “MetaboExtract”. Hereby, scientists can search for metabolites or compound classes of interest, compare them across the different tested extraction protocols and sample types as well as find reference concentration values.
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Affiliation(s)
- Hagen M. Gegner
- Metabolomics Core Technology Platform, Centre for Organismal Studies (COS), Heidelberg University, Heidelberg, Germany
| | - Nils Mechtel
- Metabolomics Core Technology Platform, Centre for Organismal Studies (COS), Heidelberg University, Heidelberg, Germany
| | - Elena Heidenreich
- Metabolomics Core Technology Platform, Centre for Organismal Studies (COS), Heidelberg University, Heidelberg, Germany
| | - Angela Wirth
- Institute of Pharmacology, Heidelberg University, Heidelberg, Germany
| | - Fabiola Garcia Cortizo
- Division of Signal Transduction in Cancer and Metabolism, German Cancer Research Center (DKFZ), Heidelberg, Germany
| | - Katrin Bennewitz
- European Center for Angioscience (ECAS), Department of Vascular Biology and Tumor Angiogenesis, Medical Faculty Mannheim, Heidelberg University, Mannheim, Germany
| | - Thomas Fleming
- Department of Internal Medicine I and Clinical Chemistry, Heidelberg University Hospital, Heidelberg, Germany
| | - Carolin Andresen
- Heidelberg Institute for Stem Cell Technology and Experimental Medicine (HI-STEM GGmbH), Heidelberg, Germany
- Division of Stem Cells and Cancer, Deutsches Krebsforschungszentrum (DKFZ) and DKFZ-ZMBH Alliance, Heidelberg, Germany
- Faculty of Biosciences, Heidelberg University, Heidelberg, Germany
| | - Marc Freichel
- Institute of Pharmacology, Heidelberg University, Heidelberg, Germany
| | - Aurelio A. Teleman
- Division of Signal Transduction in Cancer and Metabolism, German Cancer Research Center (DKFZ), Heidelberg, Germany
| | - Jens Kroll
- European Center for Angioscience (ECAS), Department of Vascular Biology and Tumor Angiogenesis, Medical Faculty Mannheim, Heidelberg University, Mannheim, Germany
| | - Rüdiger Hell
- Metabolomics Core Technology Platform, Centre for Organismal Studies (COS), Heidelberg University, Heidelberg, Germany
| | - Gernot Poschet
- Metabolomics Core Technology Platform, Centre for Organismal Studies (COS), Heidelberg University, Heidelberg, Germany
- *Correspondence: Gernot Poschet,
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6
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Jayavelu AK, Wolf S, Buettner F, Alexe G, Häupl B, Comoglio F, Schneider C, Doebele C, Fuhrmann DC, Wagner S, Donato E, Andresen C, Wilke AC, Zindel A, Jahn D, Splettstoesser B, Plessmann U, Münch S, Abou-El-Ardat K, Makowka P, Acker F, Enssle JC, Cremer A, Schnütgen F, Kurrle N, Chapuy B, Löber J, Hartmann S, Wild PJ, Wittig I, Hübschmann D, Kaderali L, Cox J, Brüne B, Röllig C, Thiede C, Steffen B, Bornhäuser M, Trumpp A, Urlaub H, Stegmaier K, Serve H, Mann M, Oellerich T. The proteogenomic subtypes of acute myeloid leukemia. Cancer Cell 2022; 40:301-317.e12. [PMID: 35245447 DOI: 10.1016/j.ccell.2022.02.006] [Citation(s) in RCA: 39] [Impact Index Per Article: 19.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 04/21/2021] [Revised: 08/30/2021] [Accepted: 02/07/2022] [Indexed: 12/16/2022]
Abstract
Acute myeloid leukemia (AML) is an aggressive blood cancer with a poor prognosis. We report a comprehensive proteogenomic analysis of bone marrow biopsies from 252 uniformly treated AML patients to elucidate the molecular pathophysiology of AML in order to inform future diagnostic and therapeutic approaches. In addition to in-depth quantitative proteomics, our analysis includes cytogenetic profiling and DNA/RNA sequencing. We identify five proteomic AML subtypes, each reflecting specific biological features spanning genomic boundaries. Two of these proteomic subtypes correlate with patient outcome, but none is exclusively associated with specific genomic aberrations. Remarkably, one subtype (Mito-AML), which is captured only in the proteome, is characterized by high expression of mitochondrial proteins and confers poor outcome, with reduced remission rate and shorter overall survival on treatment with intensive induction chemotherapy. Functional analyses reveal that Mito-AML is metabolically wired toward stronger complex I-dependent respiration and is more responsive to treatment with the BCL2 inhibitor venetoclax.
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Affiliation(s)
- Ashok Kumar Jayavelu
- Department of Proteomics and Signal Transduction, Max Planck Institute of Biochemistry, Martinsried, Germany; Clinical Cooperation Unit Pediatric Leukemia, DKFZ and Department of Pediatric Oncology, Hematology and Immunology, University of Heidelberg, Germany; Hopp Children's Cancer Center Heidelberg - KiTZ, Heidelberg, Germany
| | - Sebastian Wolf
- Department of Medicine II, Hematology/Oncology, University Hospital Frankfurt, Goethe University, Theodor-Stern-Kai 7, Frankfurt, Germany; Frankfurt Cancer Institute, Goethe University Frankfurt, Frankfurt, Germany
| | - Florian Buettner
- German Cancer Consortium (DKTK), Partner Site Frankfurt/Mainz and German Cancer Research Center (DKFZ), Heidelberg, Germany; Department of Medicine, University Hospital Frankfurt, Goethe University, Frankfurt, Germany; Frankfurt Cancer Institute, Goethe University Frankfurt, Frankfurt, Germany
| | - Gabriela Alexe
- Division of Hematology/Oncology, Department of Pediatric Oncology, Dana-Farber Cancer Institute and Boston Children's Hospital, Boston, MA, USA
| | - Björn Häupl
- Department of Medicine II, Hematology/Oncology, University Hospital Frankfurt, Goethe University, Theodor-Stern-Kai 7, Frankfurt, Germany; German Cancer Consortium (DKTK), Partner Site Frankfurt/Mainz and German Cancer Research Center (DKFZ), Heidelberg, Germany; Frankfurt Cancer Institute, Goethe University Frankfurt, Frankfurt, Germany
| | | | - Constanze Schneider
- Department of Medicine II, Hematology/Oncology, University Hospital Frankfurt, Goethe University, Theodor-Stern-Kai 7, Frankfurt, Germany
| | - Carmen Doebele
- Department of Medicine II, Hematology/Oncology, University Hospital Frankfurt, Goethe University, Theodor-Stern-Kai 7, Frankfurt, Germany; German Cancer Consortium (DKTK), Partner Site Frankfurt/Mainz and German Cancer Research Center (DKFZ), Heidelberg, Germany
| | | | - Sebastian Wagner
- Department of Medicine II, Hematology/Oncology, University Hospital Frankfurt, Goethe University, Theodor-Stern-Kai 7, Frankfurt, Germany
| | - Elisa Donato
- Division of Stem Cells and Cancer, German Cancer Research Center (DKFZ) and DKFZ-ZMBH Alliance, Heidelberg, Germany; Heidelberg Institute for Stem Cell Technology and Experimental Medicine (HI-STEM gGmbH), Heidelberg, Germany
| | - Carolin Andresen
- Division of Stem Cells and Cancer, German Cancer Research Center (DKFZ) and DKFZ-ZMBH Alliance, Heidelberg, Germany; Heidelberg Institute for Stem Cell Technology and Experimental Medicine (HI-STEM gGmbH), Heidelberg, Germany
| | - Anne C Wilke
- Department of Medicine II, Hematology/Oncology, University Hospital Frankfurt, Goethe University, Theodor-Stern-Kai 7, Frankfurt, Germany
| | - Alena Zindel
- Department of Medicine II, Hematology/Oncology, University Hospital Frankfurt, Goethe University, Theodor-Stern-Kai 7, Frankfurt, Germany; German Cancer Consortium (DKTK), Partner Site Frankfurt/Mainz and German Cancer Research Center (DKFZ), Heidelberg, Germany
| | - Dominique Jahn
- Department of Medicine II, Hematology/Oncology, University Hospital Frankfurt, Goethe University, Theodor-Stern-Kai 7, Frankfurt, Germany; German Cancer Consortium (DKTK), Partner Site Frankfurt/Mainz and German Cancer Research Center (DKFZ), Heidelberg, Germany
| | - Bianca Splettstoesser
- Department of Proteomics and Signal Transduction, Max Planck Institute of Biochemistry, Martinsried, Germany
| | - Uwe Plessmann
- Bioanalytical Mass Spectrometry Group, Max Planck Institute for Biophysical Chemistry, Göttingen, Germany
| | - Silvia Münch
- Department of Medicine II, Hematology/Oncology, University Hospital Frankfurt, Goethe University, Theodor-Stern-Kai 7, Frankfurt, Germany
| | - Khali Abou-El-Ardat
- Department of Medicine II, Hematology/Oncology, University Hospital Frankfurt, Goethe University, Theodor-Stern-Kai 7, Frankfurt, Germany
| | - Philipp Makowka
- Department of Medicine II, Hematology/Oncology, University Hospital Frankfurt, Goethe University, Theodor-Stern-Kai 7, Frankfurt, Germany
| | - Fabian Acker
- Department of Medicine II, Hematology/Oncology, University Hospital Frankfurt, Goethe University, Theodor-Stern-Kai 7, Frankfurt, Germany
| | - Julius C Enssle
- Department of Medicine II, Hematology/Oncology, University Hospital Frankfurt, Goethe University, Theodor-Stern-Kai 7, Frankfurt, Germany
| | - Anjali Cremer
- Department of Medicine II, Hematology/Oncology, University Hospital Frankfurt, Goethe University, Theodor-Stern-Kai 7, Frankfurt, Germany
| | - Frank Schnütgen
- Department of Medicine II, Hematology/Oncology, University Hospital Frankfurt, Goethe University, Theodor-Stern-Kai 7, Frankfurt, Germany; German Cancer Consortium (DKTK), Partner Site Frankfurt/Mainz and German Cancer Research Center (DKFZ), Heidelberg, Germany; Frankfurt Cancer Institute, Goethe University Frankfurt, Frankfurt, Germany
| | - Nina Kurrle
- Department of Medicine II, Hematology/Oncology, University Hospital Frankfurt, Goethe University, Theodor-Stern-Kai 7, Frankfurt, Germany; German Cancer Consortium (DKTK), Partner Site Frankfurt/Mainz and German Cancer Research Center (DKFZ), Heidelberg, Germany; Frankfurt Cancer Institute, Goethe University Frankfurt, Frankfurt, Germany
| | - Björn Chapuy
- Department of Medical Hematology and Oncology, University Medical Center Göttingen, Göttingen, Germany; Department of Hematology, Oncology and Tumor Immunology, Charité, Campus Benjamin Franklin, University Medicine Berlin, Berlin, Germany
| | - Jens Löber
- Department of Medical Hematology and Oncology, University Medical Center Göttingen, Göttingen, Germany; Department of Hematology, Oncology and Tumor Immunology, Charité, Campus Benjamin Franklin, University Medicine Berlin, Berlin, Germany
| | - Sylvia Hartmann
- Dr. Senckenberg Institute of Pathology, University Hospital Frankfurt, Frankfurt, Germany
| | - Peter J Wild
- Dr. Senckenberg Institute of Pathology, University Hospital Frankfurt, Frankfurt, Germany
| | - Ilka Wittig
- Functional Proteomics, Institute of Cardiovascular Physiology, Goethe University, Frankfurt, Germany
| | - Daniel Hübschmann
- Division of Stem Cells and Cancer, German Cancer Research Center (DKFZ) and DKFZ-ZMBH Alliance, Heidelberg, Germany; Heidelberg Institute for Stem Cell Technology and Experimental Medicine (HI-STEM gGmbH), Heidelberg, Germany; Pattern Recognition and Digital Medicine, Heidelberg Institute for Stem Cell Technology and Experimental Medicine (HI-STEM), Heidelberg, Germany; Computational Oncology, Molecular Precision Oncology Program, National Center for Tumor Diseases (NCT) Heidelberg and German Cancer Research Center (DKFZ), Heidelberg, Germany
| | - Lars Kaderali
- Institute of Bioinformatics, University Medicine Greifswald, Greifswald, Germany
| | - Jürgen Cox
- Computational Systems Biochemistry Research Group, Max Planck Institute of Biochemistry, Martinsried, Germany
| | - Bernhard Brüne
- Department of Biochemistry I, Goethe University, Frankfurt, Germany
| | - Christoph Röllig
- Department of Internal Medicine I, University Hospital Carl Gustav Carus TU Dresden, Dresden, Germany
| | - Christian Thiede
- Department of Internal Medicine I, University Hospital Carl Gustav Carus TU Dresden, Dresden, Germany
| | - Björn Steffen
- Department of Medicine II, Hematology/Oncology, University Hospital Frankfurt, Goethe University, Theodor-Stern-Kai 7, Frankfurt, Germany
| | - Martin Bornhäuser
- Department of Internal Medicine I, University Hospital Carl Gustav Carus TU Dresden, Dresden, Germany; National Center for Tumor Diseases, Dresden (NCT/UCC), Dresden, Germany
| | - Andreas Trumpp
- Division of Stem Cells and Cancer, German Cancer Research Center (DKFZ) and DKFZ-ZMBH Alliance, Heidelberg, Germany; Heidelberg Institute for Stem Cell Technology and Experimental Medicine (HI-STEM gGmbH), Heidelberg, Germany; German Cancer Consortium (DKTK), Heidelberg, Germany
| | - Henning Urlaub
- Bioanalytical Mass Spectrometry Group, Max Planck Institute for Biophysical Chemistry, Göttingen, Germany; Bioanalytics, Institute for Clinical Chemistry, University Medical Center Göttingen, Göttingen, Germany
| | - Kimberly Stegmaier
- Division of Hematology/Oncology, Department of Pediatric Oncology, Dana-Farber Cancer Institute and Boston Children's Hospital, Boston, MA, USA; The Broad Institute of MIT and Harvard, Cambridge, MA 02142, USA
| | - Hubert Serve
- Department of Medicine II, Hematology/Oncology, University Hospital Frankfurt, Goethe University, Theodor-Stern-Kai 7, Frankfurt, Germany; German Cancer Consortium (DKTK), Partner Site Frankfurt/Mainz and German Cancer Research Center (DKFZ), Heidelberg, Germany; Frankfurt Cancer Institute, Goethe University Frankfurt, Frankfurt, Germany.
| | - Matthias Mann
- Department of Proteomics and Signal Transduction, Max Planck Institute of Biochemistry, Martinsried, Germany.
| | - Thomas Oellerich
- Department of Medicine II, Hematology/Oncology, University Hospital Frankfurt, Goethe University, Theodor-Stern-Kai 7, Frankfurt, Germany; German Cancer Consortium (DKTK), Partner Site Frankfurt/Mainz and German Cancer Research Center (DKFZ), Heidelberg, Germany; Frankfurt Cancer Institute, Goethe University Frankfurt, Frankfurt, Germany.
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7
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Schnabel M, Pal S, Valderrama B, Cole S, Grivas P, Fernandez E, Diamond E, Master V, Masini C, Eigl B, Petros F, Ge S, Andresen C, Roghmann F, Rodriguez-Vida A, Hoffman-Censits J, Daneshmand S. A randomized, double-blind, placebo-controlled, phase 3 trial of infigratinib as adjuvant therapy in patients with invasive urothelial carcinoma harboring susceptible FGFR3 genetic alterations: PROOF 302. EUR UROL SUPPL 2021. [DOI: 10.1016/s2666-1683(21)03196-7] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/27/2022] Open
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8
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Sieber-Frank J, Stark HJ, Kalteis S, Prigge ES, Köhler R, Andresen C, Henkel T, Casari G, Schubert T, Fischl W, Li-Weber M, Krammer PH, von Knebel Doeberitz M, Kopitz J, Kloor M, Ahadova A. Treatment resistance analysis reveals GLUT-1-mediated glucose uptake as a major target of synthetic rocaglates in cancer cells. Cancer Med 2021; 10:6807-6822. [PMID: 34546000 PMCID: PMC8495295 DOI: 10.1002/cam4.4212] [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] [Subscribe] [Scholar Register] [Received: 05/31/2021] [Revised: 07/15/2021] [Accepted: 07/21/2021] [Indexed: 12/19/2022] Open
Abstract
Rocaglates are natural compounds that have been extensively studied for their ability to inhibit translation initiation. Rocaglates represent promising drug candidates for tumor treatment due to their growth‐inhibitory effects on neoplastic cells. In contrast to natural rocaglates, synthetic analogues of rocaglates have been less comprehensively characterized, but were also shown to have similar effects on the process of protein translation. Here, we demonstrate an enhanced growth‐inhibitory effect of synthetic rocaglates when combined with glucose anti‐metabolite 2‐deoxy‐D‐glucose (2DG) in different cancer cell lines. Moreover, we unravel a new aspect in the mechanism of action of synthetic rocaglates involving reduction of glucose uptake mediated by downregulation or abrogation of glucose transporter GLUT‐1 expression. Importantly, cells with genetically induced resistance to synthetic rocaglates showed substantially less pronounced treatment effect on glucose metabolism and did not demonstrate GLUT‐1 downregulation, pointing at the crucial role of this mechanism for the anti‐tumor activity of the synthetic rocaglates. Transcriptome profiling revealed glycolysis as one of the major pathways differentially regulated in sensitive and resistant cells. Analysis of synthetic rocaglate efficacy in a 3D tissue context with a co‐culture of tumor and normal cells demonstrated a selective effect on tumor cells and substantiated the mechanistic observations obtained in cancer cell lines. Increased glucose uptake and metabolism is a universal feature across different tumor types. Therefore, targeting this feature by synthetic rocaglates could represent a promising direction for exploitation of rocaglates in novel anti‐tumor therapies.
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Affiliation(s)
- Julia Sieber-Frank
- Department of Applied Tumor Biology, Institute of Pathology, University of Heidelberg, Heidelberg, Germany.,Collaboration Unit Applied Tumor Biology, German Cancer Research Center (DKFZ), Heidelberg, Germany
| | - Hans-Jürgen Stark
- Department of Applied Tumor Biology, Institute of Pathology, University of Heidelberg, Heidelberg, Germany.,Collaboration Unit Applied Tumor Biology, German Cancer Research Center (DKFZ), Heidelberg, Germany
| | - Simon Kalteis
- Department of Applied Tumor Biology, Institute of Pathology, University of Heidelberg, Heidelberg, Germany.,Collaboration Unit Applied Tumor Biology, German Cancer Research Center (DKFZ), Heidelberg, Germany
| | - Elena-Sophie Prigge
- Department of Applied Tumor Biology, Institute of Pathology, University of Heidelberg, Heidelberg, Germany.,Collaboration Unit Applied Tumor Biology, German Cancer Research Center (DKFZ), Heidelberg, Germany
| | - Richard Köhler
- Department of Applied Tumor Biology, Institute of Pathology, University of Heidelberg, Heidelberg, Germany.,Collaboration Unit Applied Tumor Biology, German Cancer Research Center (DKFZ), Heidelberg, Germany
| | - Carolin Andresen
- Department of Applied Tumor Biology, Institute of Pathology, University of Heidelberg, Heidelberg, Germany.,Collaboration Unit Applied Tumor Biology, German Cancer Research Center (DKFZ), Heidelberg, Germany
| | | | | | | | | | - Min Li-Weber
- Tumor Immunology Program, German Cancer Research Center (DKFZ), Heidelberg, Germany
| | - Peter H Krammer
- Tumor Immunology Program, German Cancer Research Center (DKFZ), Heidelberg, Germany
| | - Magnus von Knebel Doeberitz
- Department of Applied Tumor Biology, Institute of Pathology, University of Heidelberg, Heidelberg, Germany.,Collaboration Unit Applied Tumor Biology, German Cancer Research Center (DKFZ), Heidelberg, Germany
| | - Jürgen Kopitz
- Department of Applied Tumor Biology, Institute of Pathology, University of Heidelberg, Heidelberg, Germany.,Collaboration Unit Applied Tumor Biology, German Cancer Research Center (DKFZ), Heidelberg, Germany
| | - Matthias Kloor
- Department of Applied Tumor Biology, Institute of Pathology, University of Heidelberg, Heidelberg, Germany.,Collaboration Unit Applied Tumor Biology, German Cancer Research Center (DKFZ), Heidelberg, Germany
| | - Aysel Ahadova
- Department of Applied Tumor Biology, Institute of Pathology, University of Heidelberg, Heidelberg, Germany.,Collaboration Unit Applied Tumor Biology, German Cancer Research Center (DKFZ), Heidelberg, Germany
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9
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Sun R, He L, Lee H, Glinka A, Andresen C, Hübschmann D, Jeremias I, Müller-Decker K, Pabst C, Niehrs C. RSPO2 inhibits BMP signaling to promote self-renewal in acute myeloid leukemia. Cell Rep 2021; 36:109559. [PMID: 34407399 DOI: 10.1016/j.celrep.2021.109559] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/09/2021] [Revised: 06/18/2021] [Accepted: 07/28/2021] [Indexed: 12/21/2022] Open
Abstract
Acute myeloid leukemia (AML) is a rapidly progressing cancer, for which chemotherapy remains standard treatment and additional therapeutic targets are requisite. Here, we show that AML cells secrete the stem cell growth factor R-spondin 2 (RSPO2) to promote their self-renewal and prevent cell differentiation. Although RSPO2 is a well-known WNT agonist, we reveal that it maintains AML self-renewal WNT independently, by inhibiting BMP receptor signaling. Autocrine RSPO2 signaling is also required to prevent differentiation and to promote self-renewal in normal hematopoietic stem cells as well as primary AML cells. Comprehensive datamining reveals that RSPO2 expression is elevated in patients with AML of poor prognosis. Consistently, inhibiting RSPO2 prolongs survival in AML mouse xenograft models. Our study indicates that in AML, RSPO2 acts as an autocrine BMP antagonist to promote cancer cell renewal and may serve as a marker for poor prognosis.
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Affiliation(s)
- Rui Sun
- Division of Molecular Embryology, DKFZ-ZMBH Alliance, Deutsches Krebsforschungszentrum (DKFZ), 69120 Heidelberg, Germany
| | - Lixiazi He
- Department of Medicine V, Hematology, Oncology and Rheumatology, University of Heidelberg, 69120 Heidelberg, Germany; Molecular Medicine Partnership Unit, European Molecular Biology Laboratory-Heidelberg University Hospital, 69120 Heidelberg, Germany
| | - Hyeyoon Lee
- Division of Molecular Embryology, DKFZ-ZMBH Alliance, Deutsches Krebsforschungszentrum (DKFZ), 69120 Heidelberg, Germany
| | - Andrey Glinka
- Division of Molecular Embryology, DKFZ-ZMBH Alliance, Deutsches Krebsforschungszentrum (DKFZ), 69120 Heidelberg, Germany
| | - Carolin Andresen
- Division of Stem Cells and Cancer, Deutsches Krebsforschungszentrum (DKFZ) and DKFZ-ZMBH Alliance, 69120 Heidelberg, Germany; Heidelberg Institute for Stem Cell Technology and Experimental Medicine (HI-STEM), 69120 Heidelberg, Germany
| | - Daniel Hübschmann
- Heidelberg Institute for Stem Cell Technology and Experimental Medicine (HI-STEM), 69120 Heidelberg, Germany; Computational Oncology, Molecular Diagnostics Program, National Center for Tumor Diseases (NCT) Heidelberg and DKFZ, 69120 Heidelberg, Germany
| | - Irmela Jeremias
- Research Unit Apoptosis in Hematopoietic Stem Cells, Helmholtz Zentrum München, German Research Center for Environmental Health (HMGU), Munich, Germany; German Cancer Consortium (DKTK), partner site Munich, Germany
| | - Karin Müller-Decker
- Core Facility Tumor Models, Deutsches Krebsforschungszentrum (DKFZ), 69120 Heidelberg, Germany
| | - Caroline Pabst
- Department of Medicine V, Hematology, Oncology and Rheumatology, University of Heidelberg, 69120 Heidelberg, Germany; Molecular Medicine Partnership Unit, European Molecular Biology Laboratory-Heidelberg University Hospital, 69120 Heidelberg, Germany
| | - Christof Niehrs
- Division of Molecular Embryology, DKFZ-ZMBH Alliance, Deutsches Krebsforschungszentrum (DKFZ), 69120 Heidelberg, Germany; Institute of Molecular Biology (IMB), 55128 Mainz, Germany.
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10
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Mosqueira M, Konietzny R, Andresen C, Wang C, H A Fink R. Cardiomyocyte depolarization triggers NOS-dependent NO transient after calcium release, reducing the subsequent calcium transient. Basic Res Cardiol 2021; 116:18. [PMID: 33728868 PMCID: PMC7966140 DOI: 10.1007/s00395-021-00860-0] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 07/08/2020] [Accepted: 03/09/2021] [Indexed: 12/18/2022]
Abstract
Cardiac excitation-contraction coupling and metabolic and signaling activities are centrally modulated by nitric oxide (NO), which is produced by one of three NO synthases (NOSs). Despite the significant role of NO in cardiac Ca2+ homeostasis regulation under different pathophysiological conditions, such as Duchenne muscular dystrophy (DMD), no precise method describes the production, source or effect of NO through two NO signaling pathways: soluble guanylate cyclase-protein kinase G (NO-sGC-PKG) and S-nitrosylation (SNO). Using a novel strategy involving isolated murine cardiomyocytes loaded with a copper-based dye highly specific for NO, we observed a single transient NO production signal after each electrical stimulation event. The NO transient signal started 67.5 ms after the beginning of Rhod-2 Ca2+ transient signal and lasted for approximately 430 ms. Specific NOS isoform blockers or NO scavengers significantly inhibited the NO transient, suggesting that wild-type (WT) cardiomyocytes produce nNOS-dependent NO transients. Conversely, NO transient in mdx cardiomyocyte, a mouse model of DMD, was dependent on inducible NOS (iNOS) and endothelial (eNOS). In a consecutive stimulation protocol, the nNOS-dependent NO transient in WT cardiomyocytes significantly reduced the next Ca2+ transient via NO-sGC-PKG. In mdx cardiomyocytes, this inhibitory effect was iNOS- and eNOS-dependent and occurred through the SNO pathway. Basal NO production was nNOS- and iNOS-dependent in WT cardiomyocytes and eNOS- and iNOS-dependent in mdx cardiomyocytes. These results showed cardiomyocyte produces NO isoform-dependent transients upon membrane depolarization at the millisecond time scale activating a specific signaling pathway to negatively modulate the subsequent Ca2+ transient.
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Affiliation(s)
- Matias Mosqueira
- Cardio-Ventilatory Muscle Physiology Laboratory, Institute of Physiology and Pathophysiology, University Hospital Heidelberg, Im Neuenheimer Feld 326, R. 305, 69120, Heidelberg, Germany.
- Medical Biophysics Unit, Institute of Physiology and Pathophysiology, University Hospital Heidelberg, 69120, Heidelberg, Germany.
| | - Roland Konietzny
- Cardio-Ventilatory Muscle Physiology Laboratory, Institute of Physiology and Pathophysiology, University Hospital Heidelberg, Im Neuenheimer Feld 326, R. 305, 69120, Heidelberg, Germany
- Medical Biophysics Unit, Institute of Physiology and Pathophysiology, University Hospital Heidelberg, 69120, Heidelberg, Germany
| | - Carolin Andresen
- Cardio-Ventilatory Muscle Physiology Laboratory, Institute of Physiology and Pathophysiology, University Hospital Heidelberg, Im Neuenheimer Feld 326, R. 305, 69120, Heidelberg, Germany
- Medical Biophysics Unit, Institute of Physiology and Pathophysiology, University Hospital Heidelberg, 69120, Heidelberg, Germany
- Heidelberg Institute for Stem Cell Technology and Experimental Medicine (HI-STEM gGmbH), Heidelberg, Germany
- Division of Stem Cells and Cancer, German Cancer Research Center (DKFZ), Heidelberg, Germany
| | - Chao Wang
- Cardio-Ventilatory Muscle Physiology Laboratory, Institute of Physiology and Pathophysiology, University Hospital Heidelberg, Im Neuenheimer Feld 326, R. 305, 69120, Heidelberg, Germany
- Medical Biophysics Unit, Institute of Physiology and Pathophysiology, University Hospital Heidelberg, 69120, Heidelberg, Germany
- Cardiovascular Department, Wuhan No. 1 Hospital, Hubei, China
| | - Rainer H A Fink
- Medical Biophysics Unit, Institute of Physiology and Pathophysiology, University Hospital Heidelberg, 69120, Heidelberg, Germany
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11
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Hübschmann D, Jopp-Saile L, Andresen C, Krämer S, Gu Z, Heilig CE, Kreutzfeldt S, Teleanu V, Fröhling S, Eils R, Schlesner M. Analysis of mutational signatures with yet another package for signature analysis. Genes Chromosomes Cancer 2020; 60:314-331. [PMID: 33222322 DOI: 10.1002/gcc.22918] [Citation(s) in RCA: 27] [Impact Index Per Article: 6.8] [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: 08/01/2020] [Revised: 11/06/2020] [Accepted: 11/06/2020] [Indexed: 12/11/2022] Open
Abstract
Different mutational processes leave characteristic patterns of somatic mutations in the genome that can be identified as mutational signatures. Determining the contributions of mutational signatures to cancer genomes allows not only to reconstruct the etiology of somatic mutations, but can also be used for improved tumor classification and support therapeutic decisions. We here present the R package yet another package for signature analysis (YAPSA) to deconvolute the contributions of mutational signatures to tumor genomes. YAPSA provides in-built collections from the COSMIC and PCAWG SNV signature sets as well as the PCAWG Indel signatures and employs signature-specific cutoffs to increase sensitivity and specificity. Furthermore, YAPSA allows to determine 95% confidence intervals for signature exposures, to perform constrained stratified signature analyses to obtain enrichment and depletion patterns of the identified signatures and, when applied to whole exome sequencing data, to correct for the triplet content of individual target capture kits. With this functionality, YAPSA has proved to be a valuable tool for analysis of mutational signatures in molecular tumor boards in a precision oncology context. YAPSA is available at R/Bioconductor (http://bioconductor.org/packages/3.12/bioc/html/YAPSA.html).
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Affiliation(s)
- Daniel Hübschmann
- Computational Oncology, Molecular Diagnostics Program, National Center for Tumor Diseases (NCT) and German Cancer Research Center (DKFZ), Im Neuenheimer Feld 280, Heidelberg, 69120, Germany.,Pattern Recognition and Digital Medicine, Heidelberg Institute of Stem Cell Technology and Experimental Medicine (HI-STEM), Im Neuenheimer Feld 280, Heidelberg, 69120, Germany.,German Cancer Consortium (DKTK), Im Neuenheimer Feld 280, Heidelberg, 69120, Germany.,Department of Pediatric Immunology, Hematology and Oncology, University Hospital Heidelberg, Heidelberg, Germany
| | - Lea Jopp-Saile
- Computational Oncology, Molecular Diagnostics Program, National Center for Tumor Diseases (NCT) and German Cancer Research Center (DKFZ), Im Neuenheimer Feld 280, Heidelberg, 69120, Germany.,Pattern Recognition and Digital Medicine, Heidelberg Institute of Stem Cell Technology and Experimental Medicine (HI-STEM), Im Neuenheimer Feld 280, Heidelberg, 69120, Germany.,Bioinformatics and Omics Data Analytics, German Cancer Research Center (DKFZ), Im Neuenheimer Feld 280, Heidelberg, 69120, Germany
| | - Carolin Andresen
- Pattern Recognition and Digital Medicine, Heidelberg Institute of Stem Cell Technology and Experimental Medicine (HI-STEM), Im Neuenheimer Feld 280, Heidelberg, 69120, Germany.,Bioinformatics and Omics Data Analytics, German Cancer Research Center (DKFZ), Im Neuenheimer Feld 280, Heidelberg, 69120, Germany
| | - Stephen Krämer
- Bioinformatics and Omics Data Analytics, German Cancer Research Center (DKFZ), Im Neuenheimer Feld 280, Heidelberg, 69120, Germany
| | - Zuguang Gu
- Computational Oncology, Molecular Diagnostics Program, National Center for Tumor Diseases (NCT) and German Cancer Research Center (DKFZ), Im Neuenheimer Feld 280, Heidelberg, 69120, Germany.,DKFZ-HIPO (Heidelberg Center for Personalized Oncology), German Cancer Research Center (DKFZ), Im Neuenheimer Feld 280, Heidelberg, 69120, Germany
| | - Christoph E Heilig
- German Cancer Consortium (DKTK), Im Neuenheimer Feld 280, Heidelberg, 69120, Germany.,Department of Translational Medical Oncology, NCT Heidelberg and DKFZ, Heidelberg, Germany
| | - Simon Kreutzfeldt
- German Cancer Consortium (DKTK), Im Neuenheimer Feld 280, Heidelberg, 69120, Germany.,Department of Translational Medical Oncology, NCT Heidelberg and DKFZ, Heidelberg, Germany
| | - Veronica Teleanu
- German Cancer Consortium (DKTK), Im Neuenheimer Feld 280, Heidelberg, 69120, Germany.,Department of Translational Medical Oncology, NCT Heidelberg and DKFZ, Heidelberg, Germany
| | - Stefan Fröhling
- German Cancer Consortium (DKTK), Im Neuenheimer Feld 280, Heidelberg, 69120, Germany.,Department of Translational Medical Oncology, NCT Heidelberg and DKFZ, Heidelberg, Germany
| | - Roland Eils
- Center for Digital Health, Berlin Institute of Health and Charité - Universitätsmedizin Berlin, Berlin, Germany.,Health Data Science Unit, University Hospital Heidelberg, Heidelberg, Germany
| | - Matthias Schlesner
- Bioinformatics and Omics Data Analytics, German Cancer Research Center (DKFZ), Im Neuenheimer Feld 280, Heidelberg, 69120, Germany.,Chair of Biomedical Informatics, Data Mining and Data Analytics, Faculty of Applied Computer Science and Medical Faculty, University of Augsburg, Augsburg, Germany
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12
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Quintero A, Hübschmann D, Kurzawa N, Steinhauser S, Rentzsch P, Krämer S, Andresen C, Park J, Eils R, Schlesner M, Herrmann C. ShinyButchR: Interactive NMF-based decomposition workflow of genome-scale datasets. Biol Methods Protoc 2020; 5:bpaa022. [PMID: 33376806 PMCID: PMC7750682 DOI: 10.1093/biomethods/bpaa022] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/26/2020] [Revised: 10/25/2020] [Accepted: 10/26/2020] [Indexed: 11/12/2022] Open
Abstract
Non-negative matrix factorization (NMF) has been widely used for the analysis of genomic data to perform feature extraction and signature identification due to the interpretability of the decomposed signatures. However, running a basic NMF analysis requires the installation of multiple tools and dependencies, along with a steep learning curve and computing time. To mitigate such obstacles, we developed ShinyButchR, a novel R/Shiny application that provides a complete NMF-based analysis workflow, allowing the user to perform matrix decomposition using NMF, feature extraction, interactive visualization, relevant signature identification, and association to biological and clinical variables. ShinyButchR builds upon the also novel R package ButchR, which provides new TensorFlow solvers for algorithms of the NMF family, functions for downstream analysis, a rational method to determine the optimal factorization rank and a novel feature selection strategy.
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Affiliation(s)
| | | | | | | | - Philipp Rentzsch
- Computational Genome Biology, Berlin Institute of Health (BIH), Berlin, Germany
| | - Stephen Krämer
- Bioinformatics and Omics Data Analytics, German Cancer Research Center (DKFZ), Heidelberg, Germany
| | - Carolin Andresen
- Computational Oncology, Molecular Diagnostics Program, National Center for Tumor Diseases (NCT), German Cancer Research Center (DKFZ), Heidelberg, Germany
- Heidelberg Institute for Stem Cell Technology and Experimental Medicine (HI-STEM), Heidelberg, Germany
| | - Jeongbin Park
- Center for Digital Health, Berlin Institute of Health (BIH) and Charité – Universitätsmedizin Berlin, Germany
| | - Roland Eils
- Health Data Science Unit, Medical Faculty and BioQuant, University Heidelberg, Heidelberg, Germany
- Center for Digital Health, Berlin Institute of Health (BIH) and Charité – Universitätsmedizin Berlin, Germany
| | - Matthias Schlesner
- Present address: Chair of Biomedical Informatics, Data Mining and Data Analytics, Faculty of Computer Science, University of Augsburg, Germany
| | - Carl Herrmann
- Correspondence address. Health Data Science Unit, Medical Faculty and BioQuant, University Heidelberg, Heidelberg, Germany. Tel: +49 6221 5451249; Fax: +49 6221 545148. E-mail:
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Somford D, Daneshmand S, Grivas P, Sridhar S, Gupta S, Bellmunt J, Sonpavde G, Fleming M, Lerner S, Loriot Y, Li A, Takkele H, Andresen C, Rearden J, Peacock Shepherd S, Schnabel M, Pal S. 799TiP PROOF 302: A randomized, double-blind, placebo-controlled, phase III trial of infigratinib as adjuvant therapy in patients with invasive urothelial carcinoma harboring susceptible FGFR3 alterations. Ann Oncol 2020. [DOI: 10.1016/j.annonc.2020.08.2070] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/23/2022] Open
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14
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Hartl CA, Bertschi A, Puerto RB, Andresen C, Cheney EM, Mittendorf EA, Guerriero JL, Goldberg MS. Combination therapy targeting both innate and adaptive immunity improves survival in a pre-clinical model of ovarian cancer. J Immunother Cancer 2019; 7:199. [PMID: 31362778 PMCID: PMC6668091 DOI: 10.1186/s40425-019-0654-5] [Citation(s) in RCA: 23] [Impact Index Per Article: 4.6] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/06/2019] [Accepted: 06/27/2019] [Indexed: 02/06/2023] Open
Abstract
Background Despite major advancements in immunotherapy among a number of solid tumors, response rates among ovarian cancer patients remain modest. Standard treatment for ovarian cancer is still surgery followed by taxane- and platinum-based chemotherapy. Thus, there is an urgent need to develop novel treatment options for clinical translation. Methods Our approach was to analyze the effects of standard chemotherapy in the tumor microenvironment of mice harboring orthotopic, syngeneic ID8-Vegf-Defb29 ovarian tumors in order to mechanistically determine a complementary immunotherapy combination. Specifically, we interrogated the molecular and cellular consequences of chemotherapy by analyzing gene expression and flow cytometry data. Results These data show that there is an immunosuppressive shift in the myeloid compartment, with increased expression of IL-10 and ARG1, but no activation of CD3+ T cells shortly after chemotherapy treatment. We therefore selected immunotherapies that target both the innate and adaptive arms of the immune system. Survival studies revealed that standard chemotherapy was complemented most effectively by a combination of anti-IL-10, 2′3’-cGAMP, and anti-PD-L1. Immunotherapy dramatically decreased the immunosuppressive myeloid population while chemotherapy effectively activated dendritic cells. Together, combination treatment increased the number of activated T and dendritic cells as well as expression of cytotoxic factors. It was also determined that the immunotherapy had to be administered concurrently with the chemotherapy to reverse the acute immunosuppression caused by chemotherapy. Mechanistic studies revealed that antitumor immunity in this context was driven by CD4+ T cells, which acquired a highly activated phenotype. Our data suggest that these CD4+ T cells can kill cancer cells directly via granzyme B-mediated cytotoxicity. Finally, we showed that this combination therapy is also effective at delaying tumor growth substantially in an aggressive model of lung cancer, which is also treated clinically with taxane- and platinum-based chemotherapy. Conclusions This work highlights the importance of CD4+ T cells in tumor immunology. Furthermore, the data support the initiation of clinical trials in ovarian cancer that target both innate and adaptive immunity, with a focus on optimizing dosing schedules. Electronic supplementary material The online version of this article (10.1186/s40425-019-0654-5) contains supplementary material, which is available to authorized users.
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Affiliation(s)
- Christina A Hartl
- Department of Cancer Immunology and Virology, Dana-Farber Cancer Institute, Boston, MA, 02215, USA.,Breast Tumor Immunology Laboratory, Susan F. Smith Center for Women's Cancers, Dana-Farber Cancer Institute, Boston, MA, 02215, USA
| | - Adrian Bertschi
- Department of Cancer Immunology and Virology, Dana-Farber Cancer Institute, Boston, MA, 02215, USA
| | - Regina Bou Puerto
- Department of Cancer Immunology and Virology, Dana-Farber Cancer Institute, Boston, MA, 02215, USA
| | - Carolin Andresen
- Department of Cancer Immunology and Virology, Dana-Farber Cancer Institute, Boston, MA, 02215, USA
| | - Emily M Cheney
- Breast Tumor Immunology Laboratory, Susan F. Smith Center for Women's Cancers, Dana-Farber Cancer Institute, Boston, MA, 02215, USA
| | - Elizabeth A Mittendorf
- Breast Tumor Immunology Laboratory, Susan F. Smith Center for Women's Cancers, Dana-Farber Cancer Institute, Boston, MA, 02215, USA.,Division of Breast Surgery, Department of Surgery, Brigham and Women's Hospital, Boston, MA, 02215, USA.,Breast Oncology Program, Dana-Farber Cancer Institute, Boston, MA, 02215, USA
| | - Jennifer L Guerriero
- Breast Tumor Immunology Laboratory, Susan F. Smith Center for Women's Cancers, Dana-Farber Cancer Institute, Boston, MA, 02215, USA.
| | - Michael S Goldberg
- Department of Cancer Immunology and Virology, Dana-Farber Cancer Institute, Boston, MA, 02215, USA.
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15
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Lalman D, Andresen C. 278 Stewardship of energy use by beef cows: maintenance requirements of the U.S. cowherd. J Anim Sci 2018. [DOI: 10.1093/jas/sky404.212] [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: 11/13/2022] Open
Affiliation(s)
- D Lalman
- Oklahoma State University,Stillwater, OK, United States
| | - C Andresen
- Oklahoma State University,Stillwater, OK, United States
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16
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Attard G, Gurney H, Loriot Y, Borre M, Andresen C, Wu K, Taylor C, Amelsberg A, Taplin M. 2537 Preliminary findings from PLATO: A two-period, phase 4, randomized, double-blind, placebo-controlled study of continued enzalutamide treatment beyond progression in men with chemotherapy-naïve metastatic castration-resistant prostate cancer (mCRPC). Eur J Cancer 2015. [DOI: 10.1016/s0959-8049(16)31356-9] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/22/2022]
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17
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Bagi C, Berryman E, Andresen C. Methylprednisone and Thiazolidinone Treatment Alter Bone Metabolism and Strength in Young Male and Female Rats. J Clin Densitom 2014. [DOI: 10.1016/j.jocd.2014.04.022] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/17/2022]
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18
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Schlumberger M, Jarzab B, Cabanillas M, Robinson B, Furio P, Ball D, McCaffrey J, Newbold K, Allison R, Martins R, Licitra L, Shah M, Bodenner D, Elisei R, Burmeister L, Funahashi Y, Sellecchia R, Andresen C, O'Brien J, Sherman S. A Phase II Trial of the Multi-Targeted Kinase Inhibitor Lenvatinib (E7080) in Advanced Medullary Thyroid Cancer (MTC). Ann Oncol 2012. [DOI: 10.1016/s0923-7534(20)32016-0] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022] Open
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Abstract
The fetal face is an essential source of information. Its evaluation makes it possible to diagnose several fetal diseases and syndromes. Three-dimensional ultrasound and four-dimensional ultrasound facilitate the evaluation of superficial anatomical facial structures and have become essential complementary tools to two-dimensional ultrasound, providing additional and more precise information about the presence and severity of facial defects. This article reviews the normal facial development essential to understand the pathogenesis of facial malformations as well as the assessment of a normal and dysmorphic face with two-dimensional, three-dimensional and four-dimensional ultrasound and discusses the clinical implications of detecting facial anomalies in the prenatal period.
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Affiliation(s)
- C Andresen
- Department of Obstetrics and Gynecology, Hospital of S. Joao, Porto Medical Faculty, Portugal.
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20
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Hong DS, Boss DS, Glen H, Mink J, Ren M, Andresen C, O'Brien JP, Kurzrock R, Schellens JHM, Nemunaitis JJ, Evans TRJ. Assessment of clinical activity of E7080, a multitargeted kinase inhibitor, in patients with advanced melanoma treated in two phase I trials. J Clin Oncol 2011. [DOI: 10.1200/jco.2011.29.15_suppl.8527] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/20/2022] Open
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21
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Drent M, Judson M, Costabel U, duBois R, Kavuru M, Lo K, Andresen C, Schlenker-Herceg R, Barnathan E, Baughman R. RESPONDER ANALYSES IN PATIENTS RECEIVING INFLIXIMAB FOR CHRONIC SARCOIDOSIS WITH PULMONARY INVOLVEMENT. Chest 2005. [DOI: 10.1378/chest.128.4_meetingabstracts.316s-a] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/01/2022] Open
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22
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Kavuru M, duBois R, Costabel U, Judson M, Drent M, Lo K, Andresen C, Schlenker-Herceg R, Barnathan E, Baughman R, Shipley R. CHEST X-RAY ASSESSMENT USING A DETAILED SCORING METHOD IN A RANDOMIZED TRIAL OF INFLIXIMAB IN SUBJECTS WITH CHRONIC PULMONARY SARCOIDOSIS. Chest 2005. [DOI: 10.1378/chest.128.4_meetingabstracts.203s] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/01/2022] Open
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23
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Kudlacz E, Whitney C, Andresen C, Duplantier A, Beckius G, Chupak L, Klein A, Kraus K, Milici A. Pulmonary eosinophilia in a murine model of allergic inflammation is attenuated by small molecule alpha4beta1 antagonists. J Pharmacol Exp Ther 2002; 301:747-52. [PMID: 11961081 DOI: 10.1124/jpet.301.2.747] [Citation(s) in RCA: 27] [Impact Index Per Article: 1.2] [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: 11/22/2022] Open
Abstract
Inhibition of alpha4beta1/vascular cell adhesion molecule-1 (VCAM-1) interactions have therapeutic potential in treating allergic airway disease because of the importance of these adhesion molecules in the trafficking of eosinophils, lymphocytes, and monocytes. We examined several small molecule inhibitors of alpha4beta1/VCAM-1 interactions with in vitro potencies (IC(50) values) ranging from 0.52 nM (CP-664511; 3-[3-(1-[2-[3-methoxy-4-(3-O-tolyl-ureido)phenyl]-acetylamino]-3-methyl-butyl)isoxazol-5-yl]-propionic acid) to 38.5 nM (CP-609643; 3-[3-methyl-1-[2-[4-(3-O-tolyl-ureido)-phenyl]-acetylamino]-butyl)-isoxazol-5-yl]-propionic acid). The same compounds were evaluated in vivo using a murine model of ovalbumin-induced pulmonary eosinophilia. In this model, systemic administration of antibodies against alpha4 reduced bronchoalveolar lavage (BAL) eosinophilia approximately 60%. Small molecule alpha4beta1 antagonists were administered by intratracheal instillation and demonstrated dose-dependent inhibition of BAL eosinophil numbers and achieved a maximum inhibition of approximately 60%. In general, the rank order of potency for these compounds in vitro was consistent with that observed in vivo, which confirms that their efficacy is likely via blockade of alpha4beta1/VCAM-1 interactions. The most potent compound, CP-664511, also inhibited BAL eosinophilia following s.c. administration (1-10 mg/kg, s.c.). These data support the utility of small molecule alpha4beta1 antagonists in the treatment of relevant diseases, such as asthma.
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Affiliation(s)
- E Kudlacz
- Pfizer Global Research and Development, Groton, Connecticut 06340, USA.
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Abstract
BACKGROUND The authors studied the influence of age on the pharmacodynamics of propofol, including characterization of the relation between plasma concentration and the time course of drug effect. METHODS The authors evaluated healthy volunteers aged 25-81 yr. A bolus dose (2 mg/kg or 1 mg/kg in persons older than 65 yr) and an infusion (25, 50, 100, or 200 microg x kg(-1) x min(-1)) of the older or the new (containing EDTA) formulation of propofol were given on each of two different study days. The propofol concentration was determined in frequent arterial samples. The electroencephalogram (EEG) was used to measure drug effect. A statistical technique called semilinear canonical correlation was used to select components of the EEG power spectrum that correlated optimally with the effect-site concentration. The effect-site concentration was related to drug effect with a biphasic pharmacodynamic model. The plasma effect-site equilibration rate constant was estimated parametrically. Estimates of this rate constant were validated by comparing the predicted time of peak effect with the time of peak EEG effect. The probability of being asleep, as a function of age, was determined from steady state concentrations after 60 min of propofol infusion. RESULTS Twenty-four volunteers completed the study. Three parameters of the biphasic pharmacodynamic model were correlated linearly with age. The plasma effect-site equilibration rate constant was 0.456 min(-1). The predicted time to peak effect after bolus injection ranging was 1.7 min. The time to peak effect assessed visually was 1.6 min (range, 1-2.4 min). The steady state observations showed increasing sensitivity to propofol in elderly patients, with C50 values for loss of consciousness of 2.35, 1.8, and 1.25 microg/ml in volunteers who were 25, 50, and 75 yr old, respectively. CONCLUSIONS Semilinear canonical correlation defined a new measure of propofol effect on the EEG, the canonical univariate parameter for propofol. Using this parameter, propofol plasma effect-site equilibration is faster than previously reported. This fast onset was confirmed by inspection of the EEG data. Elderly patients are more sensitive to the hypnotic and EEG effects of propofol than are younger persons.
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Affiliation(s)
- T W Schnider
- Institut für Anästhesie und Intensivbehandlung, Inselspital, Universität Bern, Switzerland.
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Schnider TW, Minto CF, Gambus PL, Andresen C, Goodale DB, Shafer SL, Youngs EJ. The influence of method of administration and covariates on the pharmacokinetics of propofol in adult volunteers. Anesthesiology 1998; 88:1170-82. [PMID: 9605675 DOI: 10.1097/00000542-199805000-00006] [Citation(s) in RCA: 642] [Impact Index Per Article: 24.7] [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: 02/07/2023]
Abstract
BACKGROUND Unresolved issues with propofol include whether the pharmacokinetics are linear with dose, are influenced by method of administration (bolus vs. infusion), or are influenced by age. Recently, a new formulation of propofol emulsion, containing disodium edetate (EDTA), was introduced in the United States. Addition of EDTA was found by the manufacturer to significantly reduce bacterial growth. This study investigated the influences of method of administration, infusion rate, patient covariates, and EDTA on the pharmacokinetics of propofol. METHODS Twenty-four healthy volunteers aged 26-81 yr were given a bolus dose of propofol, followed 1 h later by a 60-min infusion. Each volunteer was randomly assigned to an infusion rate of 25, 50, 100, or 200 microg x kg(-1) x min(-1). Each volunteer was studied twice under otherwise identical circumstances: once receiving propofol without EDTA and once receiving propofol with EDTA. The influence of the method of administration and of the volunteer covariates was explored by fitting a three-compartment mamillary model to the data. The influence of EDTA was investigated by direct comparison of the measured concentrations in both sessions. RESULTS The concentrations of propofol with and without EDTA were not significantly different. The concentration measurements after the bolus dose were significantly underpredicted by the parameters obtained just from the infusion data. The kinetics of propofol were linear within the infusion range of 25-200 microg x kg(-1) x min(-1). Age was a significant covariate for Volume2 and Clearance2, as were weight, height, and lean body mass for the metabolic clearance. CONCLUSIONS These results demonstrate that method of administration (bolus vs. infusion), but not EDTA, influences the pharmacokinetics of propofol. Within the clinically relevant range, the kinetics of propofol during infusions are linear regarding infusion rate.
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Affiliation(s)
- T W Schnider
- Institut für Anästhesie und Intensivmedizin, Inselspital, Universität Bern, Switzerland.
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