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Bérouti M, Lammens K, Heiss M, Hansbauer L, Bauernfried S, Stöckl J, Pinci F, Piseddu I, Greulich W, Wang M, Jung C, Fröhlich T, Carell T, Hopfner KP, Hornung V. Lysosomal endonuclease RNase T2 and PLD exonucleases cooperatively generate RNA ligands for TLR7 activation. Immunity 2024:S1074-7613(24)00215-2. [PMID: 38697119 DOI: 10.1016/j.immuni.2024.04.010] [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: 10/16/2023] [Revised: 03/06/2024] [Accepted: 04/12/2024] [Indexed: 05/04/2024]
Abstract
Toll-like receptor 7 (TLR7) is essential for recognition of RNA viruses and initiation of antiviral immunity. TLR7 contains two ligand-binding pockets that recognize different RNA degradation products: pocket 1 recognizes guanosine, while pocket 2 coordinates pyrimidine-rich RNA fragments. We found that the endonuclease RNase T2, along with 5' exonucleases PLD3 and PLD4, collaboratively generate the ligands for TLR7. Specifically, RNase T2 generated guanosine 2',3'-cyclic monophosphate-terminated RNA fragments. PLD exonuclease activity further released the terminal 2',3'-cyclic guanosine monophosphate (2',3'-cGMP) to engage pocket 1 and was also needed to generate RNA fragments for pocket 2. Loss-of-function studies in cell lines and primary cells confirmed the critical requirement for PLD activity. Biochemical and structural studies showed that PLD enzymes form homodimers with two ligand-binding sites important for activity. Previously identified disease-associated PLD mutants failed to form stable dimers. Together, our data provide a mechanistic basis for the detection of RNA fragments by TLR7.
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Affiliation(s)
- Marleen Bérouti
- Gene Center and Department of Biochemistry, Ludwig-Maximilians-Universität, Munich, Germany
| | - Katja Lammens
- Gene Center and Department of Biochemistry, Ludwig-Maximilians-Universität, Munich, Germany
| | - Matthias Heiss
- Department of Chemistry, Ludwig-Maximilians-Universität, Munich, Germany
| | - Larissa Hansbauer
- Gene Center and Department of Biochemistry, Ludwig-Maximilians-Universität, Munich, Germany
| | - Stefan Bauernfried
- Gene Center and Department of Biochemistry, Ludwig-Maximilians-Universität, Munich, Germany
| | - Jan Stöckl
- Gene Center and Department of Biochemistry, Ludwig-Maximilians-Universität, Munich, Germany
| | - Francesca Pinci
- Gene Center and Department of Biochemistry, Ludwig-Maximilians-Universität, Munich, Germany
| | - Ignazio Piseddu
- Gene Center and Department of Biochemistry, Ludwig-Maximilians-Universität, Munich, Germany; Department of Medicine II, University Hospital Munich, Munich, Germany
| | - Wilhelm Greulich
- Gene Center and Department of Biochemistry, Ludwig-Maximilians-Universität, Munich, Germany
| | - Meiyue Wang
- Gene Center and Department of Biochemistry, Ludwig-Maximilians-Universität, Munich, Germany
| | - Christophe Jung
- Gene Center and Department of Biochemistry, Ludwig-Maximilians-Universität, Munich, Germany
| | - Thomas Fröhlich
- Gene Center and Department of Biochemistry, Ludwig-Maximilians-Universität, Munich, Germany
| | - Thomas Carell
- Department of Chemistry, Ludwig-Maximilians-Universität, Munich, Germany
| | - Karl-Peter Hopfner
- Gene Center and Department of Biochemistry, Ludwig-Maximilians-Universität, Munich, Germany
| | - Veit Hornung
- Gene Center and Department of Biochemistry, Ludwig-Maximilians-Universität, Munich, Germany.
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Märkl F, Schultheiß C, Ali M, Chen SS, Zintchenko M, Egli L, Mietz J, Chijioke O, Paschold L, Spajic S, Holtermann A, Dörr J, Stock S, Zingg A, Läubli H, Piseddu I, Anz D, Minden MDV, Zhang T, Nerreter T, Hudecek M, Minguet S, Chiorazzi N, Kobold S, Binder M. Mutation-specific CAR T cells as precision therapy for IGLV3-21 R110 expressing high-risk chronic lymphocytic leukemia. Nat Commun 2024; 15:993. [PMID: 38307904 PMCID: PMC10837166 DOI: 10.1038/s41467-024-45378-w] [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] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/05/2023] [Accepted: 01/22/2024] [Indexed: 02/04/2024] Open
Abstract
The concept of precision cell therapy targeting tumor-specific mutations is appealing but requires surface-exposed neoepitopes, which is a rarity in cancer. B cell receptors (BCR) of mature lymphoid malignancies are exceptional in that they harbor tumor-specific-stereotyped sequences in the form of point mutations that drive self-engagement of the BCR and autologous signaling. Here, we use a BCR light chain neoepitope defined by a characteristic point mutation (IGLV3-21R110) for selective targeting of a poor-risk subset of chronic lymphocytic leukemia (CLL) with chimeric antigen receptor (CAR) T cells. We develop murine and humanized CAR constructs expressed in T cells from healthy donors and CLL patients that eradicate IGLV3-21R110 expressing cell lines and primary CLL cells, but neither cells expressing the non-pathogenic IGLV3-21G110 light chain nor polyclonal healthy B cells. In vivo experiments confirm epitope-selective cytolysis in xenograft models in female mice using engrafted IGLV3-21R110 expressing cell lines or primary CLL cells. We further demonstrate in two humanized mouse models lack of cytotoxicity towards human B cells. These data provide the basis for advanced approaches of resistance-preventive and biomarker-guided cellular targeting of functionally relevant lymphoma driver mutations sparing normal B cells.
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Affiliation(s)
- Florian Märkl
- Division of Clinical Pharmacology, Klinikum der Universität München, Munich, Germany
| | - Christoph Schultheiß
- Division of Medical Oncology, University Hospital Basel, Basel, Switzerland
- Laboratory of Translational Immuno-Oncology, Department of Biomedicine, University and University Hospital Basel, Basel, Switzerland
| | - Murtaza Ali
- Internal Medicine IV, Oncology/Hematology, Martin-Luther-University Halle-Wittenberg, Halle (Saale), Germany
| | - Shih-Shih Chen
- Karches Center for Oncology Research, The Feinstein Institutes for Medical Research, Northwell Health, Manhasset, NY, USA
| | | | - Lukas Egli
- Cellular Immunotherapy, Institute of Experimental Immunology, University of Zurich, Zurich, Switzerland
| | - Juliane Mietz
- Cellular Immunotherapy, Institute of Experimental Immunology, University of Zurich, Zurich, Switzerland
| | - Obinna Chijioke
- Cellular Immunotherapy, Institute of Experimental Immunology, University of Zurich, Zurich, Switzerland
- Institute of Pathology and Medical Genetics, University Hospital Basel, Basel, Switzerland
| | - Lisa Paschold
- Internal Medicine IV, Oncology/Hematology, Martin-Luther-University Halle-Wittenberg, Halle (Saale), Germany
| | - Sebastijan Spajic
- Division of Clinical Pharmacology, Klinikum der Universität München, Munich, Germany
| | - Anne Holtermann
- Division of Clinical Pharmacology, Klinikum der Universität München, Munich, Germany
| | - Janina Dörr
- Division of Clinical Pharmacology, Klinikum der Universität München, Munich, Germany
| | - Sophia Stock
- Division of Clinical Pharmacology, Klinikum der Universität München, Munich, Germany
| | - Andreas Zingg
- Division of Medical Oncology, University Hospital Basel, Basel, Switzerland
- Laboratory of Cancer Immunotherapy, Department of Biomedicine, University and University Hospital Basel, Basel, Switzerland
| | - Heinz Läubli
- Division of Medical Oncology, University Hospital Basel, Basel, Switzerland
- Laboratory of Cancer Immunotherapy, Department of Biomedicine, University and University Hospital Basel, Basel, Switzerland
| | - Ignazio Piseddu
- Division of Clinical Pharmacology, Klinikum der Universität München, Munich, Germany
| | - David Anz
- Division of Clinical Pharmacology, Klinikum der Universität München, Munich, Germany
| | | | - Tianjiao Zhang
- Internal Medicine IV, Oncology/Hematology, Martin-Luther-University Halle-Wittenberg, Halle (Saale), Germany
| | - Thomas Nerreter
- Medizinische Klinik und Poliklinik II, Universitätsklinikum Würzburg, Würzburg, Germany
| | - Michael Hudecek
- Medizinische Klinik und Poliklinik II, Universitätsklinikum Würzburg, Würzburg, Germany
| | - Susana Minguet
- Faculty of Biology, University of Freiburg, Freiburg, Germany
- Signalling Research Centres BIOSS and CIBSS, University of Freiburg, Freiburg, Germany
- Center of Chronic Immunodeficiency CCI, University Clinics and Medical Faculty, Freiburg, Germany
| | - Nicholas Chiorazzi
- Karches Center for Oncology Research, The Feinstein Institutes for Medical Research, Northwell Health, Manhasset, NY, USA
| | - Sebastian Kobold
- Division of Clinical Pharmacology, Klinikum der Universität München, 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.
| | - Mascha Binder
- Division of Medical Oncology, University Hospital Basel, Basel, Switzerland.
- Laboratory of Translational Immuno-Oncology, Department of Biomedicine, University and University Hospital Basel, Basel, Switzerland.
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Kocheise L, Piseddu I, Vonderlin J, Tjwa ET, Buescher G, Meunier L, Goeggelmann P, Fianchi F, Dumortier J, Barciela MR, Gevers TJG, Beretta-Piccoli BT, Londoño MC, Frankova S, Roesner T, Joerg V, Schmidt C, Glaser F, Sutter JP, Fründt TW, Lohse AW, Huber S, von Felden J, Sebode M, Schulze K. Corrigendum: PD-1/PD-L1 immune checkpoint therapy demonstrates favorable safety profile in patients with autoimmune and cholestatic liver disease. Front Immunol 2024; 15:1369747. [PMID: 38327519 PMCID: PMC10848160 DOI: 10.3389/fimmu.2024.1369747] [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: 01/12/2024] [Accepted: 01/15/2024] [Indexed: 02/09/2024] Open
Abstract
[This corrects the article DOI: 10.3389/fimmu.2023.1326078.].
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Affiliation(s)
- Lorenz Kocheise
- I. Department of Medicine, University Medical Center Hamburg-Eppendorf, Hamburg, Germany
- European Reference Network on Hepatological Diseases (ERN RARE-LIVER), Hamburg, Germany
| | - Ignazio Piseddu
- European Reference Network on Hepatological Diseases (ERN RARE-LIVER), Hamburg, Germany
- Department of Medicine II, University Hospital, Ludwig-Maximilians-Universität (LMU) München, Munich, Germany
| | - Joscha Vonderlin
- European Reference Network on Hepatological Diseases (ERN RARE-LIVER), Hamburg, Germany
- Department of Hepatology and Gastroenterology, Charité-Universitätsmedizin Berlin, Berlin, Germany
| | - Eric T. Tjwa
- European Reference Network on Hepatological Diseases (ERN RARE-LIVER), Hamburg, Germany
- Department of Gastroenterology and Hepatology, Radboud Institute for Molecular Life Sciences, Radboud University Medical Center, Nijmegen, Netherlands
| | - Gustav Buescher
- I. Department of Medicine, University Medical Center Hamburg-Eppendorf, Hamburg, Germany
- European Reference Network on Hepatological Diseases (ERN RARE-LIVER), Hamburg, Germany
| | - Lucy Meunier
- European Reference Network on Hepatological Diseases (ERN RARE-LIVER), Hamburg, Germany
- Service Hépato-Gastro Entérologie, Hôpital St-Eloi, CHU Montpellier, Montpellier, France
| | - Pia Goeggelmann
- Department of Internal Medicine I, University Hospital Regensburg, Regensburg, Germany
| | - Francesca Fianchi
- European Reference Network on Hepatological Diseases (ERN RARE-LIVER), Hamburg, Germany
- CEMAD-Centro Malattie dell’Apparato Digerente, Fondazione Policlinico Universitario Gemelli IRCCS, Università Cattolica del Sacro Cuore, Roma, Italy
| | - Jérôme Dumortier
- European Reference Network on Hepatological Diseases (ERN RARE-LIVER), Hamburg, Germany
- Service d’hépato-gastroentérologie, Hôpital Edouard Herriot – Hospices civils de Lyon, Université de Lyon, Lyon, France
| | - Mar Riveiro Barciela
- European Reference Network on Hepatological Diseases (ERN RARE-LIVER), Hamburg, Germany
- Liver Unit, Department of Internal Medicine, Hospital Universitari Valle d’Hebron, Universitat Autònoma de Barcelona, Barcelona, Spain
| | - Tom J. G. Gevers
- European Reference Network on Hepatological Diseases (ERN RARE-LIVER), Hamburg, Germany
- Department of Gastroenterology and Hepatology, Maastricht University Medical Centre, Maastricht, Netherlands
- Nutrim School for Nutrition and Translational Research in Metabolism, Maastricht University, Maastricht, Netherlands
| | - Benedetta Terziroli Beretta-Piccoli
- European Reference Network on Hepatological Diseases (ERN RARE-LIVER), Hamburg, Germany
- Epatocentro Ticino, Lugano, Switzerland
- Faculty of Biomedical Sciences, Università della Svizzera Italiana, Lugano, Switzerland
- MowatLabs, Faculty of Life Sciences & Medicine, King’s College London, King’s College Hospital, London, United Kingdom
| | - Maria-Carlota Londoño
- European Reference Network on Hepatological Diseases (ERN RARE-LIVER), Hamburg, Germany
- Liver Unit, Hospital Clinic Barcelona, FCRB-IDIBAPS, CIBEREHD, University of Barcelona, Barcelona, Spain
| | - Sona Frankova
- European Reference Network on Hepatological Diseases (ERN RARE-LIVER), Hamburg, Germany
- Department of Hepatogastroenterology, Institute for Clinical and Experimental Medicine, Prague, Czechia
| | - Thomas Roesner
- Department of Medical Oncology, National Center of Tumor Diseases (NCT) Heidelberg and Universitätsklinikum Heidelberg, Heidelberg, Germany
| | - Vincent Joerg
- I. Department of Medicine, University Medical Center Hamburg-Eppendorf, Hamburg, Germany
- European Reference Network on Hepatological Diseases (ERN RARE-LIVER), Hamburg, Germany
| | - Constantin Schmidt
- I. Department of Medicine, University Medical Center Hamburg-Eppendorf, Hamburg, Germany
- European Reference Network on Hepatological Diseases (ERN RARE-LIVER), Hamburg, Germany
| | - Fabian Glaser
- I. Department of Medicine, University Medical Center Hamburg-Eppendorf, Hamburg, Germany
- European Reference Network on Hepatological Diseases (ERN RARE-LIVER), Hamburg, Germany
| | - Jan P. Sutter
- I. Department of Medicine, University Medical Center Hamburg-Eppendorf, Hamburg, Germany
- European Reference Network on Hepatological Diseases (ERN RARE-LIVER), Hamburg, Germany
| | - Thorben W. Fründt
- I. Department of Medicine, University Medical Center Hamburg-Eppendorf, Hamburg, Germany
- European Reference Network on Hepatological Diseases (ERN RARE-LIVER), Hamburg, Germany
| | - Ansgar W. Lohse
- I. Department of Medicine, University Medical Center Hamburg-Eppendorf, Hamburg, Germany
- European Reference Network on Hepatological Diseases (ERN RARE-LIVER), Hamburg, Germany
| | - Samuel Huber
- I. Department of Medicine, University Medical Center Hamburg-Eppendorf, Hamburg, Germany
- European Reference Network on Hepatological Diseases (ERN RARE-LIVER), Hamburg, Germany
| | - Johann von Felden
- I. Department of Medicine, University Medical Center Hamburg-Eppendorf, Hamburg, Germany
- European Reference Network on Hepatological Diseases (ERN RARE-LIVER), Hamburg, Germany
| | - Marcial Sebode
- I. Department of Medicine, University Medical Center Hamburg-Eppendorf, Hamburg, Germany
- European Reference Network on Hepatological Diseases (ERN RARE-LIVER), Hamburg, Germany
| | - Kornelius Schulze
- I. Department of Medicine, University Medical Center Hamburg-Eppendorf, Hamburg, Germany
- European Reference Network on Hepatological Diseases (ERN RARE-LIVER), Hamburg, Germany
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Kocheise L, Piseddu I, Vonderlin J, Tjwa ET, Buescher G, Meunier L, Goeggelmann P, Fianchi F, Dumortier J, Riveiro Barciela M, Gevers TJG, Terziroli Beretta-Piccoli B, Londoño MC, Frankova S, Roesner T, Joerg V, Schmidt C, Glaser F, Sutter JP, Fründt TW, Lohse AW, Huber S, von Felden J, Sebode M, Schulze K. PD-1/PD-L1 immune checkpoint therapy demonstrates favorable safety profile in patients with autoimmune and cholestatic liver disease. Front Immunol 2024; 14:1326078. [PMID: 38268921 PMCID: PMC10805832 DOI: 10.3389/fimmu.2023.1326078] [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] [MESH Headings] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/22/2023] [Accepted: 12/21/2023] [Indexed: 01/26/2024] Open
Abstract
Introduction Immune checkpoint inhibitors (ICI) have revolutionized the treatment of many malignancies in recent years. However, immune-related adverse events (irAE) are a frequent concern in clinical practice. The safety profile of ICI for the treatment of malignancies in patients diagnosed with autoimmune and cholestatic liver disease (AILD) remains unclear. Due to this uncertainty, these patients were excluded from ICI clinical trials and ICI are withheld from this patient group. In this retrospective multicenter study, we assessed the safety of ICI in patients with AILD. Methods We contacted tertiary referral hospitals for the identification of AILD patients under ICI treatment in Europe via the European Reference Network on Hepatological Diseases (ERN RARE-LIVER). Fourteen centers contributed data on AILD patients with malignancies being treated with ICI, another three centers did not treat these patients with ICI due to fear of irAEs. Results In this study, 22 AILD patients under ICI treatment could be identified. Among these patients, 12 had primary biliary cholangitis (PBC), five had primary sclerosing cholangitis (PSC), four had autoimmune hepatitis (AIH), and one patient had an AIH-PSC variant syndrome. Eleven patients had hepatobiliary cancers and the other 11 patients presented with non-hepatic tumors. The applied ICIs were atezolizumab (n=7), durvalumab (n=5), pembrolizumab (n=4), nivolumab (n=4), spartalizumab (n=1), and in one case combined immunotherapy with nivolumab plus ipilimumab. Among eight patients who presented with grade 1 or 2 irAEs, three demonstrated liver irAEs. Cases with grades ≥ 3 irAEs were not reported. No significant changes in liver tests were observed during the first year after the start of ICI. Discussion This European multicenter study demonstrates that PD-1/PD-L1 inhibitors appear to be safe in patients with AILD. Further studies on the safety of more potent dual immune checkpoint therapy are needed. We conclude that immunotherapy should not categorically be withheld from patients with AILD.
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Affiliation(s)
- Lorenz Kocheise
- I. Department of Medicine, University Medical Center Hamburg-Eppendorf, Hamburg, Germany
- European Reference Network on Hepatological Diseases (ERN RARE-LIVER), Hamburg, Germany
| | - Ignazio Piseddu
- European Reference Network on Hepatological Diseases (ERN RARE-LIVER), Hamburg, Germany
- Department of Medicine II, University Hospital, Ludwig-Maximilians-Universität (LMU) München, Munich, Germany
| | - Joscha Vonderlin
- European Reference Network on Hepatological Diseases (ERN RARE-LIVER), Hamburg, Germany
- Department of Hepatology and Gastroenterology, Charité-Universitätsmedizin Berlin, Berlin, Germany
| | - Eric T. Tjwa
- European Reference Network on Hepatological Diseases (ERN RARE-LIVER), Hamburg, Germany
- Department of Gastroenterology and Hepatology, Radboud Institute for Molecular Life Sciences, Radboud University Medical Center, Nijmegen, Netherlands
| | - Gustav Buescher
- I. Department of Medicine, University Medical Center Hamburg-Eppendorf, Hamburg, Germany
- European Reference Network on Hepatological Diseases (ERN RARE-LIVER), Hamburg, Germany
| | - Lucy Meunier
- European Reference Network on Hepatological Diseases (ERN RARE-LIVER), Hamburg, Germany
- Service Hépato-Gastro Entérologie, Hôpital St-Eloi, CHU Montpellier, Montpellier, France
| | - Pia Goeggelmann
- Department of Internal Medicine I, University Hospital Regensburg, Regensburg, Germany
| | - Francesca Fianchi
- European Reference Network on Hepatological Diseases (ERN RARE-LIVER), Hamburg, Germany
- CEMAD-Centro Malattie dell’Apparato Digerente, Fondazione Policlinico Universitario Gemelli IRCCS, Università Cattolica del Sacro Cuore, Roma, Italy
| | - Jérôme Dumortier
- European Reference Network on Hepatological Diseases (ERN RARE-LIVER), Hamburg, Germany
- Service d’hépato-gastroentérologie, Hôpital Edouard Herriot – Hospices civils de Lyon, Université de Lyon, Lyon, France
| | - Mar Riveiro Barciela
- European Reference Network on Hepatological Diseases (ERN RARE-LIVER), Hamburg, Germany
- Liver Unit, Department of Internal Medicine, Hospital Universitari Valle d’Hebron, Universitat Autònoma de Barcelona, Barcelona, Spain
| | - Tom J. G. Gevers
- European Reference Network on Hepatological Diseases (ERN RARE-LIVER), Hamburg, Germany
- Department of Gastroenterology and Hepatology, Maastricht University Medical Centre, Maastricht, Netherlands
- Nutrim School for Nutrition and Translational Research in Metabolism, Maastricht University, Maastricht, Netherlands
| | - Benedetta Terziroli Beretta-Piccoli
- European Reference Network on Hepatological Diseases (ERN RARE-LIVER), Hamburg, Germany
- Epatocentro Ticino, Lugano, Switzerland
- Faculty of Biomedical Sciences, Università della Svizzera Italiana, Lugano, Switzerland
- MowatLabs, Faculty of Life Sciences & Medicine, King’s College London, King’s College Hospital, London, United Kingdom
| | - Maria-Carlota Londoño
- European Reference Network on Hepatological Diseases (ERN RARE-LIVER), Hamburg, Germany
- Liver Unit, Hospital Clinic Barcelona, FCRB-IDIBAPS, CIBEREHD, University of Barcelona, Barcelona, Spain
| | - Sona Frankova
- European Reference Network on Hepatological Diseases (ERN RARE-LIVER), Hamburg, Germany
- Department of Hepatogastroenterology, Institute for Clinical and Experimental Medicine, Prague, Czechia
| | - Thomas Roesner
- Department of Medical Oncology, National Center of Tumor Diseases (NCT) Heidelberg and Universitätsklinikum Heidelberg, Heidelberg, Germany
| | - Vincent Joerg
- I. Department of Medicine, University Medical Center Hamburg-Eppendorf, Hamburg, Germany
- European Reference Network on Hepatological Diseases (ERN RARE-LIVER), Hamburg, Germany
| | - Constantin Schmidt
- I. Department of Medicine, University Medical Center Hamburg-Eppendorf, Hamburg, Germany
- European Reference Network on Hepatological Diseases (ERN RARE-LIVER), Hamburg, Germany
| | - Fabian Glaser
- I. Department of Medicine, University Medical Center Hamburg-Eppendorf, Hamburg, Germany
- European Reference Network on Hepatological Diseases (ERN RARE-LIVER), Hamburg, Germany
| | - Jan P. Sutter
- I. Department of Medicine, University Medical Center Hamburg-Eppendorf, Hamburg, Germany
- European Reference Network on Hepatological Diseases (ERN RARE-LIVER), Hamburg, Germany
| | - Thorben W. Fründt
- I. Department of Medicine, University Medical Center Hamburg-Eppendorf, Hamburg, Germany
- European Reference Network on Hepatological Diseases (ERN RARE-LIVER), Hamburg, Germany
| | - Ansgar W. Lohse
- I. Department of Medicine, University Medical Center Hamburg-Eppendorf, Hamburg, Germany
- European Reference Network on Hepatological Diseases (ERN RARE-LIVER), Hamburg, Germany
| | - Samuel Huber
- I. Department of Medicine, University Medical Center Hamburg-Eppendorf, Hamburg, Germany
- European Reference Network on Hepatological Diseases (ERN RARE-LIVER), Hamburg, Germany
| | - Johann von Felden
- I. Department of Medicine, University Medical Center Hamburg-Eppendorf, Hamburg, Germany
- European Reference Network on Hepatological Diseases (ERN RARE-LIVER), Hamburg, Germany
| | - Marcial Sebode
- I. Department of Medicine, University Medical Center Hamburg-Eppendorf, Hamburg, Germany
- European Reference Network on Hepatological Diseases (ERN RARE-LIVER), Hamburg, Germany
| | - Kornelius Schulze
- I. Department of Medicine, University Medical Center Hamburg-Eppendorf, Hamburg, Germany
- European Reference Network on Hepatological Diseases (ERN RARE-LIVER), Hamburg, Germany
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Piseddu I, Weidinger C, Mayerle J. Fine tuning calcium dynamics by inhibition of Store-operated Calcium Entry as a novel therapeutic approach for the treatment of chronic pancreatitis. Cell Calcium 2023; 116:102802. [PMID: 37757535 DOI: 10.1016/j.ceca.2023.102802] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/17/2023] [Accepted: 09/18/2023] [Indexed: 09/29/2023]
Abstract
Chronic pancreatitis (CP) is a complex inflammatory disorder characterized by progressive fibrosis, leading to pancreatic dysfunction, reduced quality of life and an elevated pancreatic cancer risk. Current therapeutic options for CP are restricted to symptomatic treatment. Using ex vivo and in vivo preclinical disease models, Szabó et al. now explored for the first time the involvement of Store-operated Ca2+ entry (SOCE) in the progression of CP and propose that a selective pharmacological inhibition of the SOCE signaling component Orai1 might serve as specific treatment option for CP[1,2].
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Affiliation(s)
- Ignazio Piseddu
- Department of Medicine II, University Hospital, LMU, Munich, Germany; Gene Center and Department of Biochemistry, LMU, Munich, Germany
| | - Carl Weidinger
- Department of Gastroenterology, Infectious Diseases and Rheumatology, Charité-Universitätsmedizin Berlin, Campus Benjamin Franklin, Berlin, Germany
| | - Julia Mayerle
- Department of Medicine II, University Hospital, LMU, Munich, Germany
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6
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Munker S, Roessler D, Öcal O, Ben-Khaled N, Bernhart K, Ye L, Piseddu I, Vielhauer J, Reiter FP, Rodriguez I, Ricke J, Teufel A, De Toni E, Seidensticker M, Niyazi M, Corradini S. Concomitant Irradiation to Checkpoint Inhibitor Therapy of Hepatocellular Carcinoma Patients: A Systematic Retrospective, Single-Center Analysis. Oncol Res Treat 2023; 46:466-475. [PMID: 37827135 PMCID: PMC10664332 DOI: 10.1159/000533983] [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] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/12/2023] [Accepted: 09/01/2023] [Indexed: 10/14/2023]
Abstract
INTRODUCTION Immunotherapy has been established as the standard treatment option for patients with advanced hepatocellular carcinoma (aHCC). Despite the increased efficacy, disease progression occurs in a relevant proportion of patients even after an objective response. Combination concepts with locoregional therapy are currently under investigation for hepatic disease but are also in discussion for the control of distant metastasis. Radiotherapy is a highly effective treatment modality for local tumor control. It is also thought to increase the efficacy of checkpoint inhibition and sensitize distant lesions to the effects of immunotherapy, but may potentially increase adverse effects. In our center, few patients with aHCC treated with immune checkpoint inhibitors (ICIs) received concomitant radiotherapy for symptom or disease control. The aim of this study was to retrospectively analyze adverse effects and efficacy of concomitant radiotherapy in patients with aHCC treated with checkpoint inhibition. METHODS To this aim, patients who received a combination of ICI and radiotherapy in our institution were retrospectively considered for analysis. The predefined inclusion criterion was radiotherapy after initiated checkpoint inhibition and continuation of ICI therapy for at least 8 weeks. Adverse effects and efficacy measurements were performed according to local standards. RESULTS The database search of 2016-2021 revealed six consecutive patients fulfilling the predefined criteria for concomitant ICI and radiotherapy. Three patients received high-dose-rate brachytherapy (15 Gy) to treat progredient hepatic lesions. Two patients received stereotactic body radiotherapy (SBRT) (25-30 Gy) for symptom control, and 1 patient received brachytherapy and SBRT to treat metastases. No severe adverse events were reported in the period (<6 months) after concomitant radiotherapy. In 5 out of 6 cases, long-term tumor control could be achieved by this therapeutic combination. CONCLUSION A good efficacy of concomitant radiotherapy and checkpoint inhibition has been achieved with no safety concerns. Further investigations should evaluate the safety, appropriate clinical context, and efficacy of this promising approach.
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Affiliation(s)
- Stefan Munker
- Department of Medicine II, University Hospital, LMU Munich, Munich, Germany
- Liver Center Munich, University Hospital, LMU Munich, Munich, Germany
| | - Daniel Roessler
- Department of Medicine II, University Hospital, LMU Munich, Munich, Germany
- Liver Center Munich, University Hospital, LMU Munich, Munich, Germany
| | - Osman Öcal
- Department of Radiology, University Hospital, LMU Munich, Munich, Germany
| | - Najib Ben-Khaled
- Department of Medicine II, University Hospital, LMU Munich, Munich, Germany
- Liver Center Munich, University Hospital, LMU Munich, Munich, Germany
| | - Kathrin Bernhart
- Department of Medicine II, University Hospital, LMU Munich, Munich, Germany
- Liver Center Munich, University Hospital, LMU Munich, Munich, Germany
| | - Liangtao Ye
- Department of Medicine II, University Hospital, LMU Munich, Munich, Germany
- Liver Center Munich, University Hospital, LMU Munich, Munich, Germany
| | - Ignazio Piseddu
- Department of Medicine II, University Hospital, LMU Munich, Munich, Germany
- Liver Center Munich, University Hospital, LMU Munich, Munich, Germany
| | - Jakob Vielhauer
- Department of Medicine II, University Hospital, LMU Munich, Munich, Germany
- Liver Center Munich, University Hospital, LMU Munich, Munich, Germany
| | - Florian P Reiter
- Department of Medicine II, University Hospital, LMU Munich, Munich, Germany
- Liver Center Munich, University Hospital, LMU Munich, Munich, Germany
- Division of Hepatology, Department of Medicine II, University Hospital Würzburg, Würzburg, Germany
| | - Isaac Rodriguez
- Department of Medicine II, Division of Hepatology, Division of Bioinformatics, Medical Faculty Mannheim, Heidelberg University, Mannheim, Germany,
| | - Jens Ricke
- Department of Radiology, University Hospital, LMU Munich, Munich, Germany
| | - Andreas Teufel
- Department of Medicine II, Division of Hepatology, Division of Bioinformatics, Medical Faculty Mannheim, Heidelberg University, Mannheim, Germany
- Clinical Cooperation Unit Healthy Metabolism, Center for Preventive Medicine and Digital Health Baden-Württemberg (CPDBW), Medical Faculty Mannheim, Heidelberg University, Mannheim, Germany
| | - Enrico De Toni
- Department of Medicine II, University Hospital, LMU Munich, Munich, Germany
- Liver Center Munich, University Hospital, LMU Munich, Munich, Germany
| | - Max Seidensticker
- Department of Radiology, University Hospital, LMU Munich, Munich, Germany
| | - Maximilian Niyazi
- Bavarian Cancer Research Center (BZKF), Munich, Germany
- German Cancer Consortium (DKTK), partner site Munich, Munich, Germany
- Department of Radiation Oncology, University Hospital, LMU Munich, Munich, Germany
| | - Stefanie Corradini
- Bavarian Cancer Research Center (BZKF), Munich, Germany
- German Cancer Consortium (DKTK), partner site Munich, Munich, Germany
- Department of Radiation Oncology, University Hospital, LMU Munich, Munich, Germany
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7
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Ben Khaled N, Hammer K, Ye L, Alnatsha A, Widholz SA, Piseddu I, Sirtl S, Schneider J, Munker S, Mahajan UM, Montero JJ, Griger J, Mayerle J, Reiter FP, De Toni EN. TRAIL Receptor Targeting Agents Potentiate PARP Inhibitor Efficacy in Pancreatic Cancer Independently of BRCA2 Mutation Status. Cancers (Basel) 2022; 14:cancers14215240. [PMID: 36358659 PMCID: PMC9655638 DOI: 10.3390/cancers14215240] [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] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/02/2022] [Revised: 09/19/2022] [Accepted: 09/21/2022] [Indexed: 11/23/2022] Open
Abstract
Simple Summary Research into pancreatic cancer has identified frequent changes in BRCA genes, especially in BRCA2, occurring in about 5% of patients. BRCA proteins help repair damaged DNA. Pancreatic cancers with alterations in BRCA genes are sensitive to treatment with PARP inhibitors. The PARP inhibitor olaparib can be used to treat pancreatic cancer with mutations in BRCA genes after response to standard platinum-based chemotherapy. Unfortunately, only a few patients with pancreatic cancer have mutations in BRCA genes. In this study, we show that the combination of olaparib and TRAIL can be more effective than olaparib alone in killing pancreatic cancer cells. Furthermore, we demonstrate that the combination of olaparib and TRAIL also kills cancer cells without BRCA2 mutations. Our results suggest a potential new combination therapy of olaparib and TRAIL for pancreatic cancer independent of BRCA2 mutations and may extend the limited applicability of PARP inhibitors in this disease. Abstract Chemotherapy, the standard treatment for pancreatic ductal adenocarcinoma (PDAC), has only a modest effect on the outcome of patients with late-stage disease. Investigations of the genetic features of PDAC have demonstrated a frequent occurrence of mutations in genes involved in homologous recombination (HR), especially in the breast cancer susceptibility gene 2 (BRCA2). Olaparib, a poly(ADP-ribose) polymerase (PARP) inhibitor, is approved as a maintenance treatment for patients with advanced PDAC with germline BRCA1/2 mutations following a platinum-containing first-line regimen. Limitations to the use of PARP inhibitors are represented by the relatively small proportion of patients with mutations in BRCA1/2 genes and the modest capability of these substances of inducing objective response. We have previously shown that pancreatic cancer with BRCA2 mutations exhibits a remarkably enhanced sensitivity towards tumor-necrosis-factor-related apoptosis-inducing ligand (TRAIL) receptor-stimulating agents. We thus aimed to investigate the effect of combined treatment with PARP inhibitors and TRAIL receptor-stimulating agents in pancreatic cancer and its dependency on the BRCA2 gene status. The respective effects of TRAIL-targeting agents and the PARP inhibitor olaparib or of their combination were assessed in pancreatic cancer cell lines and patient-derived organoids. In addition, BRCA2-knockout and -complementation models were investigated. The effects of these agents on apoptosis, DNA damage, cell cycle, and receptor surface expression were assessed by immunofluorescence, Western blot, and flow cytometry. PARP inhibition and TRAIL synergized to cause cell death in pancreatic cancer cell lines and PDAC organoids. This effect proved independent of BRCA2 gene status in three independent models. Olaparib and TRAIL in combination caused a detectable increase in DNA damage and a concentration-dependent cell cycle arrest in the G2/M and S cell cycle phases. Olaparib also significantly increased the proportion of membrane-bound death receptor 5. Our results provide a preclinical rationale for the combination of PARP inhibitors and TRAIL receptor agonists for the treatment of pancreatic cancer and suggest that the use of PARP inhibitors could be extended to patients without BRCA2 mutations if used in combination with TRAIL agonists.
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Affiliation(s)
- Najib Ben Khaled
- Department of Medicine II, University Hospital, LMU Munich, 81377 Munich, Germany
- German Cancer Consortium (DKTK), Partner Site Munich, 80336 Munich, Germany
- Institute of Molecular Oncology and Functional Genomics, School of Medicine, Technische Universität München, 81675 Munich, Germany
- Bavarian Cancer Research Center (BZKF), 91054 Erlangen, Germany
| | - Katharina Hammer
- Department of Medicine II, University Hospital, LMU Munich, 81377 Munich, Germany
| | - Liangtao Ye
- Department of Medicine II, University Hospital, LMU Munich, 81377 Munich, Germany
| | - Ahmed Alnatsha
- Department of Medicine II, University Hospital, LMU Munich, 81377 Munich, Germany
| | - Sebastian A. Widholz
- Institute of Molecular Oncology and Functional Genomics, School of Medicine, Technische Universität München, 81675 Munich, Germany
| | - Ignazio Piseddu
- Department of Medicine II, University Hospital, LMU Munich, 81377 Munich, Germany
| | - Simon Sirtl
- Department of Medicine II, University Hospital, LMU Munich, 81377 Munich, Germany
| | - Julia Schneider
- Department of Medicine II, University Hospital, LMU Munich, 81377 Munich, Germany
| | - Stefan Munker
- Department of Medicine II, University Hospital, LMU Munich, 81377 Munich, Germany
| | | | - Juan José Montero
- Institute of Molecular Oncology and Functional Genomics, School of Medicine, Technische Universität München, 81675 Munich, Germany
| | - Joscha Griger
- Institute of Molecular Oncology and Functional Genomics, School of Medicine, Technische Universität München, 81675 Munich, Germany
| | - Julia Mayerle
- Department of Medicine II, University Hospital, LMU Munich, 81377 Munich, Germany
| | - Florian P. Reiter
- Department of Hepatology, Department of Medicine II, University Hospital Würzburg, 97080 Würzburg, Germany
| | - Enrico N. De Toni
- Department of Medicine II, University Hospital, LMU Munich, 81377 Munich, Germany
- German Cancer Consortium (DKTK), Partner Site Munich, 80336 Munich, Germany
- Bavarian Cancer Research Center (BZKF), 91054 Erlangen, Germany
- Correspondence: ; Tel.: +49-(0)-89-4400-0
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8
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Piseddu I, Anz D. [65/f-Longstanding diarrhea: differential diagnostics of chronic diarrhea : Preparation for the medical specialist examination: part 50]. Internist (Berl) 2021; 62:347-352. [PMID: 33900439 DOI: 10.1007/s00108-021-01027-8] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 03/24/2021] [Indexed: 11/26/2022]
Affiliation(s)
- I Piseddu
- Medizinische Klinik und Poliklinik II, LMU Klinikum, Ziemssenstraße 1, 80336, München, Deutschland
| | - D Anz
- Medizinische Klinik und Poliklinik II, LMU Klinikum, Ziemssenstraße 1, 80336, München, Deutschland.
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9
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Piseddu I, Röhrle N, Knott MML, Moder S, Eiber S, Schnell K, Vetter V, Meyer B, Layritz P, Kühnemuth B, Wiedemann GM, Gruen J, Perleberg C, Rapp M, Endres S, Anz D. Constitutive Expression of CCL22 Is Mediated by T Cell-Derived GM-CSF. J Immunol 2020; 205:2056-2065. [PMID: 32907996 DOI: 10.4049/jimmunol.2000004] [Citation(s) in RCA: 9] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/03/2020] [Accepted: 08/06/2020] [Indexed: 12/22/2022]
Abstract
CCL22 is a key mediator of leukocyte trafficking in inflammatory immune responses, allergy, and cancer. It acts by attracting regulatory T cells and Th2 cells via their receptor CCR type 4 (CCR4). Beyond its role in inflammation, CCL22 is constitutively expressed at high levels in lymphoid organs during homeostasis, where it controls immunity by recruiting regulatory T cells to dendritic cells (DCs). In this study, we aimed to identify the mechanisms responsible for constitutive CCL22 expression. We confirmed that CD11c+ DCs are the exclusive producers of CCL22 in secondary lymphatic organs during homeostasis. We show that in vitro both murine splenocytes and human PBMCs secrete CCL22 spontaneously without any further stimulation. Interestingly, isolated DCs alone, however, are unable to produce CCL22, but instead require T cell help. In vitro, only the coculture of DCs with T cells or their supernatants resulted in CCL22 secretion, and we identified T cell-derived GM-CSF as the major inducer of DC-derived CCL22 expression. In vivo, Rag1 -/- mice, which lack functional T cells, have low CCL22 levels in lymphoid organs, and this can be restored by adoptive transfer of wild-type T cells or administration of GM-CSF. Taken together, we uncover T cell-derived GM-CSF as a key inducer of the chemokine CCL22 and thus, to our knowledge, identify a novel role for this cytokine as a central regulator of immunity in lymphatic organs. This knowledge could contribute to the development of new therapeutic interventions in cancer and autoimmunity.
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Affiliation(s)
- Ignazio Piseddu
- Center of Integrated Protein Science Munich, Division of Clinical Pharmacology, Department of Internal Medicine IV, University Hospital of Munich, 80337 Munich, Germany
| | - Natascha Röhrle
- Center of Integrated Protein Science Munich, Division of Clinical Pharmacology, Department of Internal Medicine IV, University Hospital of Munich, 80337 Munich, Germany
| | - Maximilian Martin Ludwig Knott
- Center of Integrated Protein Science Munich, Division of Clinical Pharmacology, Department of Internal Medicine IV, University Hospital of Munich, 80337 Munich, Germany
| | - Stefan Moder
- Center of Integrated Protein Science Munich, Division of Clinical Pharmacology, Department of Internal Medicine IV, University Hospital of Munich, 80337 Munich, Germany
| | - Stephan Eiber
- Center of Integrated Protein Science Munich, Division of Clinical Pharmacology, Department of Internal Medicine IV, University Hospital of Munich, 80337 Munich, Germany
| | - Konstantin Schnell
- Center of Integrated Protein Science Munich, Division of Clinical Pharmacology, Department of Internal Medicine IV, University Hospital of Munich, 80337 Munich, Germany
| | - Viola Vetter
- Center of Integrated Protein Science Munich, Division of Clinical Pharmacology, Department of Internal Medicine IV, University Hospital of Munich, 80337 Munich, Germany
| | - Bastian Meyer
- Center of Integrated Protein Science Munich, Division of Clinical Pharmacology, Department of Internal Medicine IV, University Hospital of Munich, 80337 Munich, Germany
| | - Patrick Layritz
- Center of Integrated Protein Science Munich, Division of Clinical Pharmacology, Department of Internal Medicine IV, University Hospital of Munich, 80337 Munich, Germany
| | - Benjamin Kühnemuth
- Center of Integrated Protein Science Munich, Division of Clinical Pharmacology, Department of Internal Medicine IV, University Hospital of Munich, 80337 Munich, Germany
| | - Gabriela Maria Wiedemann
- Department of Medicine II, University Hospital Rechts der Isar, Technical University of Munich, 81675 Munich, Germany; and
| | - Juliane Gruen
- Center of Integrated Protein Science Munich, Division of Clinical Pharmacology, Department of Internal Medicine IV, University Hospital of Munich, 80337 Munich, Germany
| | - Carolin Perleberg
- Center of Integrated Protein Science Munich, Division of Clinical Pharmacology, Department of Internal Medicine IV, University Hospital of Munich, 80337 Munich, Germany
| | - Moritz Rapp
- Center of Integrated Protein Science Munich, Division of Clinical Pharmacology, Department of Internal Medicine IV, University Hospital of Munich, 80337 Munich, Germany
| | - Stefan Endres
- Center of Integrated Protein Science Munich, Division of Clinical Pharmacology, Department of Internal Medicine IV, University Hospital of Munich, 80337 Munich, Germany
| | - David Anz
- Center of Integrated Protein Science Munich, Division of Clinical Pharmacology, Department of Internal Medicine IV, University Hospital of Munich, 80337 Munich, Germany; .,Department of Internal Medicine II (Gastroenterology and Hepatology), University Hospital of Munich, 81377 Munich, Germany
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10
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Rapp M, Wintergerst MWM, Kunz WG, Vetter VK, Knott MML, Lisowski D, Haubner S, Moder S, Thaler R, Eiber S, Meyer B, Röhrle N, Piseddu I, Grassmann S, Layritz P, Kühnemuth B, Stutte S, Bourquin C, von Andrian UH, Endres S, Anz D. CCL22 controls immunity by promoting regulatory T cell communication with dendritic cells in lymph nodes. J Exp Med 2019; 216:1170-1181. [PMID: 30910796 PMCID: PMC6504218 DOI: 10.1084/jem.20170277] [Citation(s) in RCA: 122] [Impact Index Per Article: 24.4] [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: 02/12/2017] [Revised: 11/08/2018] [Accepted: 03/01/2019] [Indexed: 12/27/2022] Open
Abstract
Rapp et al. demonstrate that dendritic cells in the lymph node secrete CCL22 to build cell–cell contacts with CCR4-expressing regulatory T cells, leading to immune suppression. Conversely, CCL22 deficiency results in enhanced T cell immunity, shown here in the setting of vaccination, cancer, and inflammatory disease. Chemokines have crucial roles in organ development and orchestration of leukocyte migration. The chemokine CCL22 is expressed constitutively at high levels in the lymph node, but the functional significance of this expression is so far unknown. Studying a newly established CCL22-deficient mouse, we demonstrate that CCL22 expression by dendritic cells (DCs) promotes the formation of cell–cell contacts and interaction with regulatory T cells (T reg) through their CCR4 receptor. Vaccination of CCL22-deficient mice led to excessive T cell responses that were also observed when wild-type mice were vaccinated using CCL22-deficient DCs. Tumor-bearing mice with CCL22 deficiency showed prolonged survival upon vaccination, and further, CCL22-deficient mice had increased susceptibility to inflammatory disease. In conclusion, we identify the CCL22–CCR4 axis as an immune checkpoint that is crucial for the control of T cell immunity.
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Affiliation(s)
- Moritz Rapp
- Center of Integrated Protein Science Munich, Division of Clinical Pharmacology, University Hospital, Ludwig-Maximilians-Universität München, Munich, Germany
| | - Maximilian W M Wintergerst
- Center of Integrated Protein Science Munich, Division of Clinical Pharmacology, University Hospital, Ludwig-Maximilians-Universität München, Munich, Germany
| | - Wolfgang G Kunz
- Center of Integrated Protein Science Munich, Division of Clinical Pharmacology, University Hospital, Ludwig-Maximilians-Universität München, Munich, Germany
| | - Viola K Vetter
- Center of Integrated Protein Science Munich, Division of Clinical Pharmacology, University Hospital, Ludwig-Maximilians-Universität München, Munich, Germany
| | - Max M L Knott
- Center of Integrated Protein Science Munich, Division of Clinical Pharmacology, University Hospital, Ludwig-Maximilians-Universität München, Munich, Germany
| | - Dominik Lisowski
- Center of Integrated Protein Science Munich, Division of Clinical Pharmacology, University Hospital, Ludwig-Maximilians-Universität München, Munich, Germany
| | - Sascha Haubner
- Center of Integrated Protein Science Munich, Division of Clinical Pharmacology, University Hospital, Ludwig-Maximilians-Universität München, Munich, Germany
| | - Stefan Moder
- Center of Integrated Protein Science Munich, Division of Clinical Pharmacology, University Hospital, Ludwig-Maximilians-Universität München, Munich, Germany
| | - Raffael Thaler
- Center of Integrated Protein Science Munich, Division of Clinical Pharmacology, University Hospital, Ludwig-Maximilians-Universität München, Munich, Germany
| | - Stephan Eiber
- Center of Integrated Protein Science Munich, Division of Clinical Pharmacology, University Hospital, Ludwig-Maximilians-Universität München, Munich, Germany
| | - Bastian Meyer
- Center of Integrated Protein Science Munich, Division of Clinical Pharmacology, University Hospital, Ludwig-Maximilians-Universität München, Munich, Germany
| | - Natascha Röhrle
- Center of Integrated Protein Science Munich, Division of Clinical Pharmacology, University Hospital, Ludwig-Maximilians-Universität München, Munich, Germany
| | - Ignazio Piseddu
- Center of Integrated Protein Science Munich, Division of Clinical Pharmacology, University Hospital, Ludwig-Maximilians-Universität München, Munich, Germany
| | - Simon Grassmann
- Institute for Medical Microbiology, Immunology and Hygiene, Technical University of Munich, Munich, Germany
| | - Patrick Layritz
- Center of Integrated Protein Science Munich, Division of Clinical Pharmacology, University Hospital, Ludwig-Maximilians-Universität München, Munich, Germany
| | - Benjamin Kühnemuth
- Center of Integrated Protein Science Munich, Division of Clinical Pharmacology, University Hospital, Ludwig-Maximilians-Universität München, Munich, Germany
| | - Susanne Stutte
- Department of Immunology, Harvard Medical School, Boston, MA
| | - Carole Bourquin
- School of Pharmaceutical Sciences, University of Geneva, University of Lausanne, Geneva, Switzerland.,Department of Anaesthetics, Pharmacology, Intensive Care and Emergencies, Faculty of Medicine, University of Geneva, Geneva, Switzerland
| | - Ulrich H von Andrian
- Department of Immunology, Harvard Medical School, Boston, MA .,The Ragon Institute of Massachusetts General Hospital, Massachusetts Institute of Technology, and Harvard, Boston, MA
| | - Stefan Endres
- Center of Integrated Protein Science Munich, Division of Clinical Pharmacology, University Hospital, Ludwig-Maximilians-Universität München, Munich, Germany .,German Cancer Consortium (DKTK), partner site Munich, Munich, Germany
| | - David Anz
- Center of Integrated Protein Science Munich, Division of Clinical Pharmacology, University Hospital, Ludwig-Maximilians-Universität München, Munich, Germany.,Department of Medicine II, University Hospital, Ludwig-Maximilians-Universität München, Munich, Germany
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11
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Kuehnemuth B, Piseddu I, Wiedemann GM, Lauseker M, Kuhn C, Hofmann S, Schmoeckel E, Endres S, Mayr D, Jeschke U, Anz D. CCL1 is a major regulatory T cell attracting factor in human breast cancer. BMC Cancer 2018; 18:1278. [PMID: 30572845 PMCID: PMC6302432 DOI: 10.1186/s12885-018-5117-8] [Citation(s) in RCA: 40] [Impact Index Per Article: 6.7] [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: 07/13/2018] [Accepted: 11/20/2018] [Indexed: 01/03/2023] Open
Abstract
Background Regulatory T cells (Treg) suppress cytotoxic T cell anti-tumoral immune responses and thereby promote tumor progression. Prevention of intratumoral Treg accumulation by inhibition of their migration to the tumor microenvironment is a promising therapeutic strategy. The aim of this study was to identify the role of the two major Treg-attracting chemokines CCL1 and CCL22 in human breast cancer. Methods One hundred ninety-nine tissue samples of patients with invasive breast cancer were stained for CCL1 and CCL22 by immunohistochemistry. Chemokine expression and tumor infiltration by regulatory T cells, determined by expression of the transcription factor FoxP3, were quantified and their correlation to clinical features was statistically analyzed. Results Both CCL1 and CCL22 were expressed in most breast cancer tissues. CCL1 was significantly over-expressed in invasive breast cancer as compared to normal breast tissue. CCL1, but surprisingly not CCL22, showed a significant correlation with the number of tumor-infiltrating FoxP3+ Treg (p< 0.001). High numbers of intratumoral CCL1 expressing cells were related to high grade tumors (G4) and a positive estrogen receptor (ER) status whereas high CCL22 expression was generally seen in lower grade tumors. The median survival of 88 patients with high intratumoral CCL1 expression was 37 months compared to 50 months for the 87 patients with low CCL1 levels, this trend was however not statistically significant. Conclusions We found a high expression of CCL1 in human breast cancer. CCL1 significantly correlated with the infiltration of immunosuppressive FoxP3+ Treg, that are known to negatively affect survival. Thus, CCL1 may serve as prognostic marker and novel therapeutic target in breast cancer.
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Affiliation(s)
- Benjamin Kuehnemuth
- Center of Integrated Protein Science Munich (CIPS-M), Division of Clinical Pharmacology, Klinikum der Universität München, Munich, Germany
| | - Ignazio Piseddu
- Center of Integrated Protein Science Munich (CIPS-M), Division of Clinical Pharmacology, Klinikum der Universität München, Munich, Germany
| | - Gabriela M Wiedemann
- Center of Integrated Protein Science Munich (CIPS-M), Division of Clinical Pharmacology, Klinikum der Universität München, Munich, Germany.,Department of Medicine II, Klinikum Rechts der Isar, Technische Universität München, Munich, Germany
| | - Michael Lauseker
- Institut für medizinische Informationsverarbeitung, Biometrie und Epidemiologie, Klinikum der Universität München, Munich, Germany
| | - Christina Kuhn
- Klinik und Poliklinik für Frauenheilkunde und Geburtshilfe, Klinikum der Universität München, Munich, Germany
| | - Simone Hofmann
- Klinik und Poliklinik für Frauenheilkunde und Geburtshilfe, Klinikum der Universität München, Munich, Germany
| | - Elisa Schmoeckel
- Pathologisches Institut, Medizinische Fakultät der Ludwig-Maximilians Universität München, Munich, Germany
| | - Stefan Endres
- Center of Integrated Protein Science Munich (CIPS-M), Division of Clinical Pharmacology, Klinikum der Universität München, Munich, Germany
| | - Doris Mayr
- Pathologisches Institut, Medizinische Fakultät der Ludwig-Maximilians Universität München, Munich, Germany
| | - Udo Jeschke
- Klinik und Poliklinik für Frauenheilkunde und Geburtshilfe, Klinikum der Universität München, Munich, Germany
| | - David Anz
- Center of Integrated Protein Science Munich (CIPS-M), Division of Clinical Pharmacology, Klinikum der Universität München, Munich, Germany. .,Medizinische Klinik und Poliklinik II, Klinikum der Universität München, Munich, Germany.
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12
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Kühnemuth B, Piseddu I, Knott M, Vetter V, Layritz P, Endres S, Anz D. CCL22 impedes T cell activation capacities of dendritic cells by reducing membrane expression of MHC molecules and CD80. The Journal of Immunology 2017. [DOI: 10.4049/jimmunol.198.supp.133.3] [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] [Subscribe] [Scholar Register] [Indexed: 01/03/2023]
Abstract
Abstract
The chemokine CCL22 is a well known modulator of immune responses. By binding to its receptor CCR4, which is highly expressed on several T cell subtypes as well as dendritic cells (DC), CCL22 mediates chemotaxis of responsive cells, thus influencing the distribution of these cells within tissues. For instance, CCL22 is known to be expressed in human and murine tumors contributing to the recruitment of regulatory T cells. Given that many chemokines show effects exceeding pure chemotaxis we hypothesized that CCL22 mediates modulation of immune responses by further activities.
In order to identify additional immune modulating properties of CCL22 on DCs and T cells we stimulated murine splenocytes isolated from healthy donor mice with recombinant CCL22 in vitro. We did not find any significant alteration in expression of cell surface activation markers like CTLA-4, PD-1 or CD62L on CD4+, CD8+ and FoxP3+ T cells. However, splenic CD11c+ DCs showed a significant reduction in MHC class I molecules on cell surface upon stimulation with CCL22. Notably, this reduction was most prominent in CD11c+ CD8α+ DCs which also showed decreased levels of MHC class II molecules as well as the costimulatory receptor CD80 after encountering CCL22.
In summary, our data indicate an alternative mode of action for CCL22 on Dendritic cells, especially on CD11c+ CD8α+ DCs. The CCL22-mediated modification of DC’s capabilities to present antigens and to activate T cells might represent a fine-tuning mechanism of adaptive immune responses.
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Affiliation(s)
- Benjamin Kühnemuth
- 1Center of Integrated Protein Science Munich (CIPS-M) and Division of Clinical Pharmacology, Klinikum der Universität München, Munich, Germany
| | - Ignazio Piseddu
- 1Center of Integrated Protein Science Munich (CIPS-M) and Division of Clinical Pharmacology, Klinikum der Universität München, Munich, Germany
| | - Maximilian Knott
- 1Center of Integrated Protein Science Munich (CIPS-M) and Division of Clinical Pharmacology, Klinikum der Universität München, Munich, Germany
| | - Viola Vetter
- 1Center of Integrated Protein Science Munich (CIPS-M) and Division of Clinical Pharmacology, Klinikum der Universität München, Munich, Germany
| | - Patrick Layritz
- 1Center of Integrated Protein Science Munich (CIPS-M) and Division of Clinical Pharmacology, Klinikum der Universität München, Munich, Germany
| | - Stefan Endres
- 1Center of Integrated Protein Science Munich (CIPS-M) and Division of Clinical Pharmacology, Klinikum der Universität München, Munich, Germany
| | - David Anz
- 2Medizinische Klinik und Poliklinik IV, Klinikum der Universität München, Munich, Germany
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13
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Piseddu I, Kühnemuth B, Knott M, Vetter V, Layritz P, Endres S, Anz D. CD4+ T cells induce homeostatic expression of the Treg-attracting chemokine CCL22 in dendritic cells. The Journal of Immunology 2017. [DOI: 10.4049/jimmunol.198.supp.133.4] [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] [Subscribe] [Scholar Register] [Indexed: 01/05/2023]
Abstract
Abstract
Regulatory T cells (Tregs) are highly potent modulators of immune responses by various mechanisms including direct interaction with dendritic cells. Thereby, Tregs play a critical role not only in prevention of autoimmunity but also in tumor immune escape. By binding to its only known receptor CCR4 the chemokine CCL22 is a potent chemoattractant for Tregs, influencing their localization and activity. However, the regulation of CCL22 expression is still poorly understood.
Here we demonstrate that under homeostatic conditions cells of the dendritic cell lineage are the main producers of CCL22. In vitro, coincubation of dendritic cells with CD4+ CD25− T cells strongly induced CCL22 expression in a paracrine manner. Using neutralizing antibodies we identified the cytokine family IL-3, IL-5 and GM-CSF, as well as IL-4 to be the main inducers of CCL22 in dendritic cells. In vivo, transfer of CD4+ T cells into Rag−/−-mice lacking mature T and B cells was able to increase CCL22 levels in several lymphoid organs.
In summary, we identified the aforementioned T cell-derived factors as the main inducers of the Treg-associated chemokine CCL22, in vitro and in vivo. Therefore, our data suggests that paracrine signalling of T cells might indirectly enhance Treg activity by induction of CCL22 expression in dendritic cells. In conclusion, the data presented here potentially shows a self-limiting mechanism of adaptive immune responses.
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Affiliation(s)
- Ignazio Piseddu
- 1Center of Integrated Protein Science Munich (CIPS-M) and Division of Clinical Pharmacology, Klinikum der Universität München, Munich, Germany
| | - Benjamin Kühnemuth
- 1Center of Integrated Protein Science Munich (CIPS-M) and Division of Clinical Pharmacology, Klinikum der Universität München, Munich, Germany
| | - Maximilian Knott
- 1Center of Integrated Protein Science Munich (CIPS-M) and Division of Clinical Pharmacology, Klinikum der Universität München, Munich, Germany
| | - Viola Vetter
- 1Center of Integrated Protein Science Munich (CIPS-M) and Division of Clinical Pharmacology, Klinikum der Universität München, Munich, Germany
| | - Patrick Layritz
- 1Center of Integrated Protein Science Munich (CIPS-M) and Division of Clinical Pharmacology, Klinikum der Universität München, Munich, Germany
| | - Stefan Endres
- 1Center of Integrated Protein Science Munich (CIPS-M) and Division of Clinical Pharmacology, Klinikum der Universität München, Munich, Germany
| | - David Anz
- 2Medizinische Klinik und Poliklinik IV, Klinikum der Universität München, Munich, Germany
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