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Gottschlich A, Thomas M, Grünmeier R, Lesch S, Rohrbacher L, Igl V, Briukhovetska D, Benmebarek MR, Vick B, Dede S, Müller K, Xu T, Dhoqina D, Märkl F, Robinson S, Sendelhofert A, Schulz H, Umut Ö, Kavaka V, Tsiverioti CA, Carlini E, Nandi S, Strzalkowski T, Lorenzini T, Stock S, Müller PJ, Dörr J, Seifert M, Cadilha BL, Brabenec R, Röder N, Rataj F, Nüesch M, Modemann F, Wellbrock J, Fiedler W, Kellner C, Beltrán E, Herold T, Paquet D, Jeremias I, von Baumgarten L, Endres S, Subklewe M, Marr C, Kobold S. Single-cell transcriptomic atlas-guided development of CAR-T cells for the treatment of acute myeloid leukemia. Nat Biotechnol 2023; 41:1618-1632. [PMID: 36914885 PMCID: PMC7615296 DOI: 10.1038/s41587-023-01684-0] [Citation(s) in RCA: 11] [Impact Index Per Article: 11.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/30/2022] [Accepted: 01/20/2023] [Indexed: 03/16/2023]
Abstract
Chimeric antigen receptor T cells (CAR-T cells) have emerged as a powerful treatment option for individuals with B cell malignancies but have yet to achieve success in treating acute myeloid leukemia (AML) due to a lack of safe targets. Here we leveraged an atlas of publicly available RNA-sequencing data of over 500,000 single cells from 15 individuals with AML and tissue from 9 healthy individuals for prediction of target antigens that are expressed on malignant cells but lacking on healthy cells, including T cells. Aided by this high-resolution, single-cell expression approach, we computationally identify colony-stimulating factor 1 receptor and cluster of differentiation 86 as targets for CAR-T cell therapy in AML. Functional validation of these established CAR-T cells shows robust in vitro and in vivo efficacy in cell line- and human-derived AML models with minimal off-target toxicity toward relevant healthy human tissues. This provides a strong rationale for further clinical development.
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Affiliation(s)
- Adrian Gottschlich
- Division of Clinical Pharmacology, University Hospital, LMU Munich, Member of the German Center for Lung Research (DZL), Munich, Germany
- Bavarian Cancer Research Center (BZKF), Munich, Germany
- Department of Medicine III, University Hospital, LMU Munich, Munich, Germany
| | - Moritz Thomas
- Institute of AI for Health, Helmholtz Munich, Neuherberg, Germany
- School of Life Sciences Weihenstephan, Technical University of Munich, Freising, Germany
| | - Ruth Grünmeier
- Division of Clinical Pharmacology, University Hospital, LMU Munich, Member of the German Center for Lung Research (DZL), Munich, Germany
| | - Stefanie Lesch
- Division of Clinical Pharmacology, University Hospital, LMU Munich, Member of the German Center for Lung Research (DZL), Munich, Germany
| | - Lisa Rohrbacher
- Department of Medicine III, University Hospital, LMU Munich, Munich, Germany
- Laboratory for Translational Cancer Immunology, Gene Center, LMU Munich, Munich, Germany
| | - Veronika Igl
- Division of Clinical Pharmacology, University Hospital, LMU Munich, Member of the German Center for Lung Research (DZL), Munich, Germany
| | - Daria Briukhovetska
- Division of Clinical Pharmacology, University Hospital, LMU Munich, Member of the German Center for Lung Research (DZL), Munich, Germany
| | - Mohamed-Reda Benmebarek
- Division of Clinical Pharmacology, University Hospital, LMU Munich, Member of the German Center for Lung Research (DZL), Munich, Germany
| | - Binje Vick
- Research Unit Apoptosis in Hematopoietic Stem Cells, Helmholtz Munich, German Research Center for Environmental Health (HMGU), Munich, Germany
- Department of Pediatrics, University Hospital, LMU Munich, Munich, Germany
| | - Sertac Dede
- Department of Neurology, University Hospital, LMU Munich, Munich, Germany
| | - Katharina Müller
- Department of Neurology, University Hospital, LMU Munich, Munich, Germany
| | - Tao Xu
- Department of Neurology, University Hospital, LMU Munich, Munich, Germany
| | - Dario Dhoqina
- Division of Clinical Pharmacology, University Hospital, LMU Munich, Member of the German Center for Lung Research (DZL), Munich, Germany
| | - Florian Märkl
- Division of Clinical Pharmacology, University Hospital, LMU Munich, Member of the German Center for Lung Research (DZL), Munich, Germany
| | - Sophie Robinson
- Institute for Stroke and Dementia Research (ISD), University Hospital, LMU Munich, Munich, Germany
- Munich Cluster for Systems Neurology (SyNergy), Munich, Germany
| | | | - Heiko Schulz
- Institute of Pathology, LMU Munich, Munich, Germany
| | - Öykü Umut
- Division of Clinical Pharmacology, University Hospital, LMU Munich, Member of the German Center for Lung Research (DZL), Munich, Germany
| | - Vladyslav Kavaka
- Institute of Clinical Neuroimmunology, University Hospital, LMU Munich, Munich, Germany
- Biomedical Center (BMC), Faculty of Medicine, LMU Munich, Martinsried, Germany
| | - Christina Angeliki Tsiverioti
- Division of Clinical Pharmacology, University Hospital, LMU Munich, Member of the German Center for Lung Research (DZL), Munich, Germany
| | - Emanuele Carlini
- Division of Clinical Pharmacology, University Hospital, LMU Munich, Member of the German Center for Lung Research (DZL), Munich, Germany
| | - Sayantan Nandi
- Division of Clinical Pharmacology, University Hospital, LMU Munich, Member of the German Center for Lung Research (DZL), Munich, Germany
| | - Thaddäus Strzalkowski
- Division of Clinical Pharmacology, University Hospital, LMU Munich, Member of the German Center for Lung Research (DZL), Munich, Germany
| | - Theo Lorenzini
- Division of Clinical Pharmacology, University Hospital, LMU Munich, Member of the German Center for Lung Research (DZL), Munich, Germany
| | - Sophia Stock
- Division of Clinical Pharmacology, University Hospital, LMU Munich, Member of the German Center for Lung Research (DZL), Munich, Germany
- Department of Medicine III, University Hospital, LMU Munich, Munich, Germany
- German Cancer Consortium (DKTK), Partner Site Munich, Munich, Germany
| | - Philipp Jie Müller
- Division of Clinical Pharmacology, University Hospital, LMU Munich, Member of the German Center for Lung Research (DZL), Munich, Germany
| | - Janina Dörr
- Division of Clinical Pharmacology, University Hospital, LMU Munich, Member of the German Center for Lung Research (DZL), Munich, Germany
| | - Matthias Seifert
- Division of Clinical Pharmacology, University Hospital, LMU Munich, Member of the German Center for Lung Research (DZL), Munich, Germany
| | - Bruno L Cadilha
- Division of Clinical Pharmacology, University Hospital, LMU Munich, Member of the German Center for Lung Research (DZL), Munich, Germany
| | - Ruben Brabenec
- Division of Clinical Pharmacology, University Hospital, LMU Munich, Member of the German Center for Lung Research (DZL), Munich, Germany
- Institute of AI for Health, Helmholtz Munich, Neuherberg, Germany
| | - Natalie Röder
- Division of Clinical Pharmacology, University Hospital, LMU Munich, Member of the German Center for Lung Research (DZL), Munich, Germany
| | - Felicitas Rataj
- Division of Clinical Pharmacology, University Hospital, LMU Munich, Member of the German Center for Lung Research (DZL), Munich, Germany
| | - Manuel Nüesch
- Division of Clinical Pharmacology, University Hospital, LMU Munich, Member of the German Center for Lung Research (DZL), Munich, Germany
| | - Franziska Modemann
- Department of Oncology, Hematology and Bone Marrow Transplantation with Section Pneumology, Hubertus Wald University Cancer Center, University Medical Center Hamburg-Eppendorf, Hamburg, Germany
- Mildred Scheel Cancer Career Center, University Cancer Center Hamburg, University Medical Center Hamburg-Eppendorf Hamburg, Hamburg, Germany
| | - Jasmin Wellbrock
- Department of Oncology, Hematology and Bone Marrow Transplantation with Section Pneumology, Hubertus Wald University Cancer Center, University Medical Center Hamburg-Eppendorf, Hamburg, Germany
| | - Walter Fiedler
- Department of Oncology, Hematology and Bone Marrow Transplantation with Section Pneumology, Hubertus Wald University Cancer Center, University Medical Center Hamburg-Eppendorf, Hamburg, Germany
| | - Christian Kellner
- Division of Transfusion Medicine, Cell Therapeutics and Haemostaseology, University Hospital, LMU Munich, Munich, Germany
| | - Eduardo Beltrán
- Munich Cluster for Systems Neurology (SyNergy), Munich, Germany
- Institute of Clinical Neuroimmunology, University Hospital, LMU Munich, Munich, Germany
- Biomedical Center (BMC), Faculty of Medicine, LMU Munich, Martinsried, Germany
| | - Tobias Herold
- Department of Medicine III, University Hospital, LMU Munich, Munich, Germany
- German Cancer Consortium (DKTK), Partner Site Munich, Munich, Germany
| | - Dominik Paquet
- Institute for Stroke and Dementia Research (ISD), University Hospital, LMU Munich, Munich, Germany
- Munich Cluster for Systems Neurology (SyNergy), Munich, Germany
| | - Irmela Jeremias
- Research Unit Apoptosis in Hematopoietic Stem Cells, Helmholtz Munich, German Research Center for Environmental Health (HMGU), Munich, Germany
- Department of Pediatrics, University Hospital, LMU Munich, Munich, Germany
- German Cancer Consortium (DKTK), Partner Site Munich, Munich, Germany
| | - Louisa von Baumgarten
- German Cancer Consortium (DKTK), Partner Site Munich, Munich, Germany
- Department of Neurosurgery, LMU Munich, Munich, Germany
| | - Stefan Endres
- Division of Clinical Pharmacology, University Hospital, LMU Munich, Member of the German Center for Lung Research (DZL), Munich, Germany
- German Cancer Consortium (DKTK), Partner Site Munich, Munich, Germany
- Einheit für Klinische Pharmakologie (EKLiP), Helmholtz Munich, Research Center for Environmental Health (HMGU), Neuherberg, Germany
| | - Marion Subklewe
- Department of Medicine III, University Hospital, LMU Munich, Munich, Germany
- Laboratory for Translational Cancer Immunology, Gene Center, LMU Munich, Munich, Germany
- German Cancer Consortium (DKTK), Partner Site Munich, Munich, Germany
| | - Carsten Marr
- Institute of AI for Health, Helmholtz Munich, Neuherberg, Germany
| | - Sebastian Kobold
- Division of Clinical Pharmacology, University Hospital, LMU Munich, Member of the German Center for Lung Research (DZL), Munich, Germany.
- German Cancer Consortium (DKTK), Partner Site Munich, Munich, Germany.
- Einheit für Klinische Pharmakologie (EKLiP), Helmholtz Munich, Research Center for Environmental Health (HMGU), Neuherberg, Germany.
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Stephan AS, Kosinska AD, Mück-Häusl M, Muschaweckh A, Jäger C, Röder N, Heikenwälder M, Dembek C, Protzer U. Evaluation of the Effect of CD70 Co-Expression on CD8 T Cell Response in Protein-Prime MVA-Boost Vaccination in Mice. Vaccines (Basel) 2023; 11:vaccines11020245. [PMID: 36851121 PMCID: PMC9966001 DOI: 10.3390/vaccines11020245] [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] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/04/2022] [Revised: 01/14/2023] [Accepted: 01/17/2023] [Indexed: 01/26/2023] Open
Abstract
Here, we investigate the potential of CD70 co-expression during viral vector boost vaccination to improve an antigen-specific T cell response. To determine the chance of activating antigen-specific T cells by CD70, we used the HBV core antigen as a model antigen in a heterologous protein-prime, Modified Vaccinia virus Ankara (MVA) boost vaccination scheme. Both the HBV core and a CD70 expression cassette were co-expressed upon delivery by an MVA vector under the same promoter linked by a P2A site. To compare immunogenicity with and without CD70 co-expression, HBV-naïve, C57BL/6 (wt) mice and HBV-transgenic mice were prime-vaccinated using recombinant HBV core antigen followed by the MVA vector boost. Co-expression of CD70 increased the number of vaccine-induced HBV core-specific CD8 T cells by >2-fold and improved their effector functions in HBV-naïve mice. In vaccinated HBV1.3tg mice, the number and functionality of HBV core-specific CD8 T cells was slightly increased upon CD70 co-expression in low-viremic, but not in high-viremic animals. CD70 co-expression did not impact liver damage as indicated by ALT levels in the serum, but increased the number of vaccine-induced, proliferative T cell clusters in the liver. Overall, this study indicates that orchestrated co-expression of CD70 and a vaccine antigen may be an interesting and safe means of enhancing antigen-specific CD8 T cell responses using vector-based vaccines, although in our study it was not sufficient to break immune tolerance.
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Affiliation(s)
- Ann-Sophie Stephan
- Institute of Virology, Technical University of Munich, Helmholtz Zentrum München, 81675 Munich, Germany
| | - Anna D. Kosinska
- Institute of Virology, Technical University of Munich, Helmholtz Zentrum München, 81675 Munich, Germany
- German Center for Infection Research (DZIF), Partner Site Munich, 81675 Munich, Germany
| | - Martin Mück-Häusl
- Institute of Virology, Technical University of Munich, Helmholtz Zentrum München, 81675 Munich, Germany
| | - Andreas Muschaweckh
- Institute for Experimental Neuroimmunology, Technical University of Munich School of Medicine, 81675 Munich, Germany
| | - Clemens Jäger
- Institute of Virology, Technical University of Munich, Helmholtz Zentrum München, 81675 Munich, Germany
| | - Natalie Röder
- Institute of Virology, Technical University of Munich, Helmholtz Zentrum München, 81675 Munich, Germany
| | - Mathias Heikenwälder
- Institute of Virology, Technical University of Munich, Helmholtz Zentrum München, 81675 Munich, Germany
- Division of Chronic Inflammation and Cancer, German Cancer Research Center (DKFZ) Heidelberg, 69120 Heidelberg, Germany
| | - Claudia Dembek
- Institute of Virology, Technical University of Munich, Helmholtz Zentrum München, 81675 Munich, Germany
- German Center for Infection Research (DZIF), Partner Site Munich, 81675 Munich, Germany
- Correspondence: (C.D.); (U.P.); Tel.: +49-89-4140-6821 (U.P.)
| | - Ulrike Protzer
- Institute of Virology, Technical University of Munich, Helmholtz Zentrum München, 81675 Munich, Germany
- German Center for Infection Research (DZIF), Partner Site Munich, 81675 Munich, Germany
- Correspondence: (C.D.); (U.P.); Tel.: +49-89-4140-6821 (U.P.)
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Konschak M, Zubrod JP, Baudy P, Fink P, Kenngott KGJ, Englert D, Röder N, Ogbeide C, Schulz R, Bundschuh M. Chronic effects of the strobilurin fungicide azoxystrobin in the leaf shredder Gammarus fossarum (Crustacea; Amphipoda) via two effect pathways. Ecotoxicol Environ Saf 2021; 209:111848. [PMID: 33421672 DOI: 10.1016/j.ecoenv.2020.111848] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/14/2020] [Revised: 12/18/2020] [Accepted: 12/20/2020] [Indexed: 06/12/2023]
Abstract
Fungicides pose a risk for crustacean leaf shredders serving as key-stone species for leaf litter breakdown in detritus-based stream ecosystems. However, little is known about the impact of strobilurin fungicides on shredders, even though they are presumed to be the most hazardous fungicide class for aquafauna. Therefore, we assessed the impact of the strobilurin azoxystrobin (AZO) on the survival, energy processing (leaf consumption and feces production), somatic growth (growth rate and molting activity), and energy reserves (neutral lipid fatty and amino acids) of the amphipod crustacean Gammarus fossarum via waterborne exposure and food quality-mediated (through the impact of leaf colonizing aquatic microorganisms) and thus indirect effects using 2 × 2-factorial experiments over 24 days. In a first bioassay with 30 µg AZO/L, waterborne exposure substantially reduced survival, energy processing and affected molting activity of gammarids, while no effects were observed via the dietary pathway. Furthermore, a negative growth rate (indicating a body mass loss in gammarids) was induced by waterborne exposure, which cannot be explained by a loss in neutral lipid fatty and amino acids. These energy reserves were increased indicating a disruption of the energy metabolism in G. fossarum caused by AZO. Contrary to the first bioassay, no waterborne AZO effects were observed during a second experiment with 15 µg AZO/L. However, an altered energy processing was determined in gammarids fed with leaves microbially colonized in the presence of AZO, which was probably caused by fungicide-induced effects on the microbial decomposition efficiency ultimately resulting in a lower food quality. The results of the present study show that diet-related strobilurin effects can occur at concentrations below those inducing waterborne toxicity. However, the latter seems to be more relevant at higher fungicide concentrations.
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Affiliation(s)
- M Konschak
- iES Landau, Institute for Environmental Sciences, University of Koblenz-Landau, Fortstraße 7, Landau D-76829, Germany.
| | - J P Zubrod
- iES Landau, Institute for Environmental Sciences, University of Koblenz-Landau, Fortstraße 7, Landau D-76829, Germany; Eußerthal Ecosystem Research Station, University of Koblenz-Landau, Birkenthalstraße 13, Eußerthal D-76857, Germany
| | - P Baudy
- iES Landau, Institute for Environmental Sciences, University of Koblenz-Landau, Fortstraße 7, Landau D-76829, Germany
| | - P Fink
- Institute for Zoology, University of Cologne, Zülpicher Straße 47b, Köln D-50674, Germany; Helmholtz-Centre for Environmental Research - UFZ, Department River Ecology and Department Aquatic Ecosystem Analysis and Management, Brückstrasse 3a, Magdeburg 39114 D, Germany
| | - K G J Kenngott
- iES Landau, Institute for Environmental Sciences, University of Koblenz-Landau, Fortstraße 7, Landau D-76829, Germany
| | - D Englert
- iES Landau, Institute for Environmental Sciences, University of Koblenz-Landau, Fortstraße 7, Landau D-76829, Germany
| | - N Röder
- iES Landau, Institute for Environmental Sciences, University of Koblenz-Landau, Fortstraße 7, Landau D-76829, Germany
| | - C Ogbeide
- iES Landau, Institute for Environmental Sciences, University of Koblenz-Landau, Fortstraße 7, Landau D-76829, Germany
| | - R Schulz
- iES Landau, Institute for Environmental Sciences, University of Koblenz-Landau, Fortstraße 7, Landau D-76829, Germany; Eußerthal Ecosystem Research Station, University of Koblenz-Landau, Birkenthalstraße 13, Eußerthal D-76857, Germany
| | - M Bundschuh
- iES Landau, Institute for Environmental Sciences, University of Koblenz-Landau, Fortstraße 7, Landau D-76829, Germany; Department of Aquatic Sciences and Assessment, Swedish University of Agricultural Sciences, Lennart Hjelms väg 9, Uppsala SWE-75007, Sweden.
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Michler T, Große S, Mockenhaupt S, Röder N, Stückler F, Knapp B, Ko C, Heikenwalder M, Protzer U, Grimm D. Blocking sense-strand activity improves potency, safety and specificity of anti-hepatitis B virus short hairpin RNA. EMBO Mol Med 2016; 8:1082-98. [PMID: 27473329 PMCID: PMC5009812 DOI: 10.15252/emmm.201506172] [Citation(s) in RCA: 21] [Impact Index Per Article: 2.6] [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] [Indexed: 12/14/2022] Open
Abstract
Hepatitis B virus (HBV) is a promising target for therapies based on RNA interference (RNAi) since it replicates via RNA transcripts that are vulnerable to RNAi silencing. Clinical translation of RNAi technology, however, requires improvements in potency, specificity and safety. To this end, we systematically compared different strategies to express anti-HBV short hairpin RNA (shRNA) in a pre-clinical immunocompetent hepatitis B mouse model. Using recombinant Adeno-associated virus (AAV) 8 vectors for delivery, we either (i) embedded the shRNA in an artificial mi(cro)RNA under a liver-specific promoter; (ii) co-expressed Argonaute-2, a rate-limiting cellular factor whose saturation with excess RNAi triggers can be toxic; or (iii) co-delivered a decoy ("TuD") directed against the shRNA sense strand to curb off-target gene regulation. Remarkably, all three strategies minimised adverse side effects as compared to a conventional shRNA vector that caused weight loss, liver damage and dysregulation of > 100 hepatic genes. Importantly, the novel AAV8 vector co-expressing anti-HBV shRNA and TuD outperformed all other strategies regarding efficiency and persistence of HBV knock-down, thus showing substantial promise for clinical translation.
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Affiliation(s)
- Thomas Michler
- Institute of Virology, Technische Universität München/Helmholtz Zentrum München, München, Germany German Center for Infection Research (DZIF), partner site München, München, Germany
| | - Stefanie Große
- Department of Infectious Diseases/Virology, Cluster of Excellence CellNetworks, Heidelberg University Hospital, Heidelberg, Germany BioQuant, University of Heidelberg, Heidelberg, Germany
| | - Stefan Mockenhaupt
- Department of Infectious Diseases/Virology, Cluster of Excellence CellNetworks, Heidelberg University Hospital, Heidelberg, Germany BioQuant, University of Heidelberg, Heidelberg, Germany
| | - Natalie Röder
- Institute of Virology, Technische Universität München/Helmholtz Zentrum München, München, Germany
| | - Ferdinand Stückler
- Institute of Computational Biology, Helmholtz Zentrum München, Neuherberg, Germany
| | - Bettina Knapp
- Institute of Computational Biology, Helmholtz Zentrum München, Neuherberg, Germany
| | - Chunkyu Ko
- Institute of Virology, Technische Universität München/Helmholtz Zentrum München, München, Germany
| | - Mathias Heikenwalder
- Institute of Virology, Technische Universität München/Helmholtz Zentrum München, München, Germany
| | - Ulrike Protzer
- Institute of Virology, Technische Universität München/Helmholtz Zentrum München, München, Germany German Center for Infection Research (DZIF), partner site München, München, Germany
| | - Dirk Grimm
- Department of Infectious Diseases/Virology, Cluster of Excellence CellNetworks, Heidelberg University Hospital, Heidelberg, Germany BioQuant, University of Heidelberg, Heidelberg, Germany
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