1
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Patel AS, Ludwinski FE, Kerr A, Farkas S, Kapoor P, Bertolaccini L, Fernandes R, Jones PR, McLornan D, Livieratos L, Saha P, Smith A, Modarai B. A subpopulation of tissue remodeling monocytes stimulates revascularization of the ischemic limb. Sci Transl Med 2024; 16:eadf0555. [PMID: 38896604 DOI: 10.1126/scitranslmed.adf0555] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/27/2022] [Accepted: 05/30/2024] [Indexed: 06/21/2024]
Abstract
Despite decades of effort aimed at developing clinically effective cell therapies, including mixed population mononuclear cells, to revascularize the ischemic limb, there remains a paucity of patient-based studies that inform the function and fate of candidate cell types. In this study, we showed that circulating proangiogenic/arteriogenic monocytes (PAMs) expressing the FcγIIIA receptor CD16 were elevated in patients with chronic limb-threatening ischemia (CLTI), and these amounts decreased after revascularization. Unlike CD16-negative monocytes, PAMs showed large vessel remodeling properties in vitro when cultured with endothelial cells and smooth muscle cells and promoted salvage of the ischemic limb in vivo in a mouse model of hindlimb ischemia. PAMs showed a propensity to migrate toward and bind to ischemic muscle and to secrete angiogenic/arteriogenic factors, vascular endothelial growth factor A (VEGF-A) and heparin-binding epidermal growth factor. We instigated a first-in-human single-arm cohort study in which autologous PAMs were injected into the ischemic limbs of five patients with CLTI. Greater than 25% of injected cells were retained in the leg for at least 72 hours, of which greater than 80% were viable, with evidence of enhanced large vessel remodeling in the injected muscle area. In summary, we identified up-regulation of a circulatory PAM subpopulation as an endogenous response to limb ischemia in CLTI and tested a potentially clinically relevant therapeutic strategy.
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Affiliation(s)
- Ashish S Patel
- Academic Department of Vascular Surgery, South Bank Section, School of Cardiovascular and Metabolic Medicine & Sciences, BHF Centre of Excellence, King's College London, London SE1 7EH, UK
- Biomedical Research Centre at Guy's & St Thomas' NHS Foundation Trust and King's College London, London SE1 7EH, UK
| | - Francesca E Ludwinski
- Academic Department of Vascular Surgery, South Bank Section, School of Cardiovascular and Metabolic Medicine & Sciences, BHF Centre of Excellence, King's College London, London SE1 7EH, UK
- Biomedical Research Centre at Guy's & St Thomas' NHS Foundation Trust and King's College London, London SE1 7EH, UK
| | - Alexander Kerr
- Academic Department of Vascular Surgery, South Bank Section, School of Cardiovascular and Metabolic Medicine & Sciences, BHF Centre of Excellence, King's College London, London SE1 7EH, UK
- Biomedical Research Centre at Guy's & St Thomas' NHS Foundation Trust and King's College London, London SE1 7EH, UK
| | - Simon Farkas
- Academic Department of Vascular Surgery, South Bank Section, School of Cardiovascular and Metabolic Medicine & Sciences, BHF Centre of Excellence, King's College London, London SE1 7EH, UK
- Biomedical Research Centre at Guy's & St Thomas' NHS Foundation Trust and King's College London, London SE1 7EH, UK
| | - Puja Kapoor
- Academic Department of Vascular Surgery, South Bank Section, School of Cardiovascular and Metabolic Medicine & Sciences, BHF Centre of Excellence, King's College London, London SE1 7EH, UK
- Biomedical Research Centre at Guy's & St Thomas' NHS Foundation Trust and King's College London, London SE1 7EH, UK
| | - Laura Bertolaccini
- Academic Department of Vascular Surgery, South Bank Section, School of Cardiovascular and Metabolic Medicine & Sciences, BHF Centre of Excellence, King's College London, London SE1 7EH, UK
- Biomedical Research Centre at Guy's & St Thomas' NHS Foundation Trust and King's College London, London SE1 7EH, UK
| | - Ramon Fernandes
- Academic Department of Vascular Surgery, South Bank Section, School of Cardiovascular and Metabolic Medicine & Sciences, BHF Centre of Excellence, King's College London, London SE1 7EH, UK
- Biomedical Research Centre at Guy's & St Thomas' NHS Foundation Trust and King's College London, London SE1 7EH, UK
| | - Paul R Jones
- Academic Department of Vascular Surgery, South Bank Section, School of Cardiovascular and Metabolic Medicine & Sciences, BHF Centre of Excellence, King's College London, London SE1 7EH, UK
- Biomedical Research Centre at Guy's & St Thomas' NHS Foundation Trust and King's College London, London SE1 7EH, UK
| | - Donal McLornan
- Department of Haematology, Guy's & St Thomas' NHS Foundation Trust, London SE1 7EH, UK
| | - Lefteris Livieratos
- Department of Biomedical Engineering, School of Biomedical Engineering & Imaging Sciences, King's College London, London SE1 7EH, UK
- Department of Nuclear Medicine, Guy's & St Thomas' NHS Foundation Trust, London SE1 7EH, UK
| | - Prakash Saha
- Academic Department of Vascular Surgery, South Bank Section, School of Cardiovascular and Metabolic Medicine & Sciences, BHF Centre of Excellence, King's College London, London SE1 7EH, UK
- Biomedical Research Centre at Guy's & St Thomas' NHS Foundation Trust and King's College London, London SE1 7EH, UK
| | - Alberto Smith
- Academic Department of Vascular Surgery, South Bank Section, School of Cardiovascular and Metabolic Medicine & Sciences, BHF Centre of Excellence, King's College London, London SE1 7EH, UK
- Biomedical Research Centre at Guy's & St Thomas' NHS Foundation Trust and King's College London, London SE1 7EH, UK
| | - Bijan Modarai
- Academic Department of Vascular Surgery, South Bank Section, School of Cardiovascular and Metabolic Medicine & Sciences, BHF Centre of Excellence, King's College London, London SE1 7EH, UK
- Biomedical Research Centre at Guy's & St Thomas' NHS Foundation Trust and King's College London, London SE1 7EH, UK
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2
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Maure A, Lawarée E, Fiorentino F, Pawlik A, Gona S, Giraud-Gatineau A, Eldridge MJG, Danckaert A, Hardy D, Frigui W, Keck C, Gutierrez C, Neyrolles O, Aulner N, Mai A, Hamon M, Barreiro LB, Brodin P, Brosch R, Rotili D, Tailleux L. A host-directed oxadiazole compound potentiates antituberculosis treatment via zinc poisoning in human macrophages and in a mouse model of infection. PLoS Biol 2024; 22:e3002259. [PMID: 38683873 PMCID: PMC11081512 DOI: 10.1371/journal.pbio.3002259] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/05/2023] [Revised: 05/09/2024] [Accepted: 03/13/2024] [Indexed: 05/02/2024] Open
Abstract
Antituberculosis drugs, mostly developed over 60 years ago, combined with a poorly effective vaccine, have failed to eradicate tuberculosis. More worryingly, multiresistant strains of Mycobacterium tuberculosis (MTB) are constantly emerging. Innovative strategies are thus urgently needed to improve tuberculosis treatment. Recently, host-directed therapy has emerged as a promising strategy to be used in adjunct with existing or future antibiotics, by improving innate immunity or limiting immunopathology. Here, using high-content imaging, we identified novel 1,2,4-oxadiazole-based compounds, which allow human macrophages to control MTB replication. Genome-wide gene expression analysis revealed that these molecules induced zinc remobilization inside cells, resulting in bacterial zinc intoxication. More importantly, we also demonstrated that, upon treatment with these novel compounds, MTB became even more sensitive to antituberculosis drugs, in vitro and in vivo, in a mouse model of tuberculosis. Manipulation of heavy metal homeostasis holds thus great promise to be exploited to develop host-directed therapeutic interventions.
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Affiliation(s)
- Alexandra Maure
- Institut Pasteur, Université Paris Cité, CNRS UMR 6047, Unit for Integrated Mycobacterial Pathogenomics, Paris, France
| | - Emeline Lawarée
- Institut Pasteur, Université Paris Cité, CNRS UMR 6047, Unit for Integrated Mycobacterial Pathogenomics, Paris, France
| | - Francesco Fiorentino
- Department of Drug Chemistry and Technologies, Sapienza University of Rome, Rome, Italy
| | - Alexandre Pawlik
- Institut Pasteur, Université Paris Cité, CNRS UMR 6047, Unit for Integrated Mycobacterial Pathogenomics, Paris, France
| | - Saideep Gona
- Department of Genetic Medicine, University of Chicago, Chicago, Illinois, United States of America
| | | | | | - Anne Danckaert
- Institut Pasteur, Université Paris Cité, UTechS BioImaging-C2RT, Paris, France
| | - David Hardy
- Institut Pasteur, Université Paris Cité, Histopathology Platform, Paris, France
| | - Wafa Frigui
- Institut Pasteur, Université Paris Cité, CNRS UMR 6047, Unit for Integrated Mycobacterial Pathogenomics, Paris, France
| | - Camille Keck
- Institut Pasteur, Université Paris Cité, CNRS UMR 6047, Unit for Integrated Mycobacterial Pathogenomics, Paris, France
| | - Claude Gutierrez
- Institut de Pharmacologie et de Biologie Structurale, IPBS, Université de Toulouse, CNRS, UPS, Toulouse, France
| | - Olivier Neyrolles
- Institut de Pharmacologie et de Biologie Structurale, IPBS, Université de Toulouse, CNRS, UPS, Toulouse, France
| | - Nathalie Aulner
- Institut Pasteur, Université Paris Cité, UTechS BioImaging-C2RT, Paris, France
| | - Antonello Mai
- Department of Drug Chemistry and Technologies, Sapienza University of Rome, Rome, Italy
- Pasteur Institute, Cenci-bolognetti Foundation, Sapienza University of Rome, Rome, Italy
| | - Mélanie Hamon
- Institut Pasteur, Université Paris Cité, Chromatine et Infection unit, Paris, France
| | - Luis B. Barreiro
- Department of Genetic Medicine, University of Chicago, Chicago, Illinois, United States of America
| | - Priscille Brodin
- Université de Lille, CNRS, INSERM, CHU Lille, Institut Pasteur de Lille, U1019 - UMR 9017 - CIIL - Center for Infection and Immunity of Lille, Lille, France
| | - Roland Brosch
- Institut Pasteur, Université Paris Cité, CNRS UMR 6047, Unit for Integrated Mycobacterial Pathogenomics, Paris, France
| | - Dante Rotili
- Department of Drug Chemistry and Technologies, Sapienza University of Rome, Rome, Italy
| | - Ludovic Tailleux
- Institut Pasteur, Université Paris Cité, CNRS UMR 6047, Unit for Integrated Mycobacterial Pathogenomics, Paris, France
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3
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Patel AS, Ludwinski FE, Mondragon A, Nuthall K, Saha P, Lyons O, Squadrito ML, Siow R, De Palma M, Smith A, Modarai B. HTATIP2 regulates arteriogenic activity in monocytes from patients with limb ischemia. JCI Insight 2023; 8:e131419. [PMID: 37847559 PMCID: PMC10807724 DOI: 10.1172/jci.insight.131419] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/01/2019] [Accepted: 10/12/2023] [Indexed: 10/18/2023] Open
Abstract
Use of autologous cells isolated from elderly patients with multiple comorbidities may account for the modest efficacy of cell therapy in patients with chronic limb threatening ischemia (CLTI). We aimed to determine whether proarteriogenic monocyte/macrophages (Mo/MΦs) from patients with CLTI were functionally impaired and to demonstrate the mechanisms related to any impairment. Proarteriogenic Mo/MΦs isolated from patients with CLTI were found to have an impaired capacity to promote neovascularization in vitro and in vivo compared with those isolated from healthy controls. This was associated with increased expression of human HIV-1 TAT interactive protein-2 (HTATIP2), a transcription factor known to suppress angiogenesis/arteriogenesis. Silencing HTATIP2 restored the functional capacity of CLTI Mo/MΦs, which was associated with increased expression of arteriogenic regulators Neuropilin-1 and Angiopoietin-1, and their ability to enhance angiogenic (endothelial tubule formation) and arteriogenic (smooth muscle proliferation) processes in vitro. In support of the translational relevance of our findings, silencing HTATIP2 in proarteriogenic Mo/MΦs isolated from patients with CLTI rescued their capacity to enhance limb perfusion in the ischemic hindlimb by effecting greater angiogenesis and arteriogenesis. Ex vivo modulation of HTATIP2 may offer a strategy for rescuing the functional impairment of pro-angio/arteriogenic Mo/MΦs prior to autologous delivery and increase the likelihood of clinical efficacy.
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Affiliation(s)
- Ashish S. Patel
- Academic Department of Vascular Surgery, South Bank Section, School of Cardiovascular and Metabolic Medicine & Sciences, King’s BHF Centre of Research Excellence, King’s College London, United Kingdom
| | - Francesca E. Ludwinski
- Academic Department of Vascular Surgery, South Bank Section, School of Cardiovascular and Metabolic Medicine & Sciences, King’s BHF Centre of Research Excellence, King’s College London, United Kingdom
| | - Angeles Mondragon
- Academic Department of Vascular Surgery, South Bank Section, School of Cardiovascular and Metabolic Medicine & Sciences, King’s BHF Centre of Research Excellence, King’s College London, United Kingdom
| | - Katherine Nuthall
- Academic Department of Vascular Surgery, South Bank Section, School of Cardiovascular and Metabolic Medicine & Sciences, King’s BHF Centre of Research Excellence, King’s College London, United Kingdom
| | - Prakash Saha
- Academic Department of Vascular Surgery, South Bank Section, School of Cardiovascular and Metabolic Medicine & Sciences, King’s BHF Centre of Research Excellence, King’s College London, United Kingdom
| | - Oliver Lyons
- Academic Department of Vascular Surgery, South Bank Section, School of Cardiovascular and Metabolic Medicine & Sciences, King’s BHF Centre of Research Excellence, King’s College London, United Kingdom
| | - Mario Leonardo Squadrito
- Swiss Institute for Experimental Cancer Research (ISREC), School of Life Sciences, École Polytechnique Fédérale de Lausanne (EPFL), Lausanne, Switzerland
| | - Richard Siow
- Department of Vascular Biology and Inflammation, South Bank Section, School of Cardiovascular and Metabolic Medicine & Sciences, King’s BHF Centre of Research Excellence, King’s College London, United Kingdom
| | - Michele De Palma
- Swiss Institute for Experimental Cancer Research (ISREC), School of Life Sciences, École Polytechnique Fédérale de Lausanne (EPFL), Lausanne, Switzerland
| | - Alberto Smith
- Academic Department of Vascular Surgery, South Bank Section, School of Cardiovascular and Metabolic Medicine & Sciences, King’s BHF Centre of Research Excellence, King’s College London, United Kingdom
| | - Bijan Modarai
- Academic Department of Vascular Surgery, South Bank Section, School of Cardiovascular and Metabolic Medicine & Sciences, King’s BHF Centre of Research Excellence, King’s College London, United Kingdom
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4
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Imamichi T, Chen Q, Sowrirajan B, Yang J, Laverdure S, Marquez M, Mele AR, Watkins C, Adelsberger JW, Higgins J, Sui H. Interleukin-27-induced HIV-resistant dendritic cells suppress reveres transcription following virus entry in an SPTBN1, autophagy, and YB-1 independent manner. PLoS One 2023; 18:e0287829. [PMID: 37910521 PMCID: PMC10619827 DOI: 10.1371/journal.pone.0287829] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/19/2023] [Accepted: 10/03/2023] [Indexed: 11/03/2023] Open
Abstract
Interleukin (IL)-27, a member of the IL-12 family of cytokines, induces human immunodeficiency virus (HIV)-resistant monocyte-derived macrophages and T cells. This resistance is mediated via the downregulation of spectrin beta, non-erythrocytic 1 (SPTBN1), induction of autophagy, or suppression of the acetylation of Y-box binding protein-1 (YB-1); however, the role of IL-27 administration during the induction of immature monocyte-derived dendritic cells (iDC) is poorly investigated. In the current study, we investigated the function of IL-27-induced iDC (27DC) on HIV infection. 27DC inhibited HIV infection by 95 ± 3% without significant changes in the expression of CD4, CCR5, and SPTBN1 expression, autophagy induction and acetylation of YB-1 compared to iDC. An HIV proviral DNA copy number assay displayed that 27DC suppressed reverse transcriptase (RT) reaction without influencing the virus entry. A DNA microarray analysis was performed to identify the differentially expressed genes between 27DC and iDC. Compared to iDC, 51 genes were differentially expressed in 27DC, with more than 3-fold changes in four independent donors. Cross-reference analysis with the reported 2,214 HIV regulatory host genes identified nine genes as potential interests: Ankyrin repeat domain 22, Guanylate binding protein (GBP)-1, -2, -4, -5, Stabilin 1, Serpin family G member 1 (SERPING1), Interferon alpha inducible protein 6, and Interferon-induced protein with tetratricopeptide repeats 3. A knock-down study using si-RNA failed to determine a key factor associated with the anti-HIV activity due to the induction of robust amounts of off-target effects. Overexpression of each protein in cells had no impact on HIV infection. Thus, we could not define the mechanism of the anti-HIV effect in 27DC. However, our findings indicated that IL-27 differentiates monocytes into HIV-resistant DC, and the inhibitory mechanism differs from IL-27-induced HIV-resistant macrophages and T cells.
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Affiliation(s)
- Tomozumi Imamichi
- Laboratory of Human Retrovirology and Immunoinformatics, Frederick National Laboratory for Cancer Research, Frederick, Maryland, United States of America
| | - Qian Chen
- Laboratory of Human Retrovirology and Immunoinformatics, Frederick National Laboratory for Cancer Research, Frederick, Maryland, United States of America
| | - Bharatwaj Sowrirajan
- Laboratory of Human Retrovirology and Immunoinformatics, Frederick National Laboratory for Cancer Research, Frederick, Maryland, United States of America
| | - Jun Yang
- Laboratory of Human Retrovirology and Immunoinformatics, Frederick National Laboratory for Cancer Research, Frederick, Maryland, United States of America
| | - Sylvain Laverdure
- Laboratory of Human Retrovirology and Immunoinformatics, Frederick National Laboratory for Cancer Research, Frederick, Maryland, United States of America
| | - Mayra Marquez
- Laboratory of Human Retrovirology and Immunoinformatics, Frederick National Laboratory for Cancer Research, Frederick, Maryland, United States of America
| | - Anthony R. Mele
- Laboratory of Human Retrovirology and Immunoinformatics, Frederick National Laboratory for Cancer Research, Frederick, Maryland, United States of America
| | - Catherine Watkins
- AIDS monitoring Laboratory, Frederick National Laboratory for Cancer Research, Frederick, Maryland, United States of America
| | - Joseph W. Adelsberger
- AIDS monitoring Laboratory, Frederick National Laboratory for Cancer Research, Frederick, Maryland, United States of America
| | - Jeanette Higgins
- AIDS monitoring Laboratory, Frederick National Laboratory for Cancer Research, Frederick, Maryland, United States of America
| | - Hongyan Sui
- Laboratory of Human Retrovirology and Immunoinformatics, Frederick National Laboratory for Cancer Research, Frederick, Maryland, United States of America
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5
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Khella CA, Franciosa L, Rodirguez-Rodriguez L, Rajkarnikar R, Mythreye K, Gatza ML. HCK Promotes High-Grade Serous Ovarian Cancer Tumorigenesis through CD44 and NOTCH3 Signaling. Mol Cancer Res 2023; 21:1037-1049. [PMID: 37342066 DOI: 10.1158/1541-7786.mcr-22-0496] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/29/2022] [Revised: 10/05/2022] [Accepted: 06/15/2023] [Indexed: 06/22/2023]
Abstract
High-grade serous ovarian cancer (HGSOC) is a highly aggressive and lethal subtype of ovarian cancer. While most patients initially respond to standard-of-care treatment, the majority will eventually relapse and succumb to their disease. Despite significant advances in our understanding of this disease, the mechanisms that govern the distinctions between HGSOC with good and poor prognosis remain unclear. In this study, we implemented a proteogenomic approach to analyze gene expression, proteomic and phosphoproteomic profiles of HGSOC tumor samples to identify molecular pathways that distinguish HGSOC tumors relative to clinical outcome. Our analyses identify significant upregulation of hematopoietic cell kinase (HCK) expression and signaling in poor prognostic HGSOC patient samples. Analyses of independent gene expression datasets and IHC of patient samples confirmed increased HCK signaling in tumors relative to normal fallopian or ovarian samples and demonstrated aberrant expression in tumor epithelial cells. Consistent with the association between HCK expression and tumor aggressiveness in patient samples, in vitro phenotypic studies showed that HCK can, in part, promote cell proliferation, colony formation, and invasive capacity of cell lines. Mechanistically, HCK mediates these phenotypes, partly through CD44 and NOTCH3-dependent signaling, and inhibiting CD44 or NOTCH3 activity, either genetically or through gamma-secretase inhibitors, can revert HCK-driven phenotypes. IMPLICATIONS Collectively, these studies establish that HCK acts as an oncogenic driver of HGSOC through aberrant activation of CD44 and NOTCH3 signaling and identifies this network as a potential therapeutic opportunity in a subset of patients with aggressive and recurrent HGSOC.
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Affiliation(s)
- Christen A Khella
- Department of Radiation Oncology, Robert Wood Johnson Medical School, New Brunswick, New Jersey
- Rutgers Cancer Institute of New Jersey, New Brunswick, New Jersey
- School of Graduate Studies, Rutgers University, New Brunswick, New Jersey
| | | | | | - Resha Rajkarnikar
- Department of Pathology and O'Neal Comprehensive Cancer Center, Heersink School of Medicine, University of Alabama, Birmingham, Alabama
| | - Karthikeyan Mythreye
- Department of Pathology and O'Neal Comprehensive Cancer Center, Heersink School of Medicine, University of Alabama, Birmingham, Alabama
| | - Michael L Gatza
- Department of Radiation Oncology, Robert Wood Johnson Medical School, New Brunswick, New Jersey
- Rutgers Cancer Institute of New Jersey, New Brunswick, New Jersey
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6
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Mandal M, Pires D, Catalão MJ, Azevedo-Pereira JM, Anes E. Modulation of Cystatin F in Human Macrophages Impacts Cathepsin-Driven Killing of Multidrug-Resistant Mycobacterium tuberculosis. Microorganisms 2023; 11:1861. [PMID: 37513033 PMCID: PMC10385253 DOI: 10.3390/microorganisms11071861] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/30/2023] [Revised: 07/07/2023] [Accepted: 07/21/2023] [Indexed: 07/30/2023] Open
Abstract
Tuberculosis (TB) treatment relies primarily on 70-year-old drugs, and prophylaxis suffers from the lack of an effective vaccine. Among the 10 million people exhibiting disease symptoms yearly, 450,000 have multidrug or extensively drug-resistant (MDR or XDR) TB. A greater understanding of host and pathogen interactions will lead to new therapeutic interventions for TB eradication. One of the strategies will be to target the host for better immune bactericidal responses against the TB causative agent Mycobacterium tuberculosis (Mtb). Cathepsins are promising targets due to their manipulation of Mtb with consequences such as decreased proteolytic activity and improved pathogen survival in macrophages. We recently demonstrated that we could overcome this enzymatic blockade by manipulating protease inhibitors such as cystatins. Here, we investigate the role of cystatin F, an inhibitor that we showed previously to be strongly upregulated during Mtb infection. Our results indicate that the silencing of cystatin F using siRNA increase the proteolytic activity of cathepsins S, L, and B, significantly impacting pathogen intracellular killing in macrophages. Taken together, these indicate the targeting of cystatin F as a potential adjuvant therapy for TB, including MDR and XDR-TB.
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Affiliation(s)
- Manoj Mandal
- Host-Pathogen Interactions Unit, Research Institute for Medicines, iMed-ULisboa, Faculty of Pharmacy, Universidade de Lisboa, Av. Prof. Gama Pinto, 1649-003 Lisboa, Portugal
| | - David Pires
- Host-Pathogen Interactions Unit, Research Institute for Medicines, iMed-ULisboa, Faculty of Pharmacy, Universidade de Lisboa, Av. Prof. Gama Pinto, 1649-003 Lisboa, Portugal
- Center for Interdisciplinary Research in Health, Católica Medical School, Universidade Católica Portuguesa, Estrada Octávio Pato, 2635-631 Rio de Mouro, Portugal
| | - Maria João Catalão
- Host-Pathogen Interactions Unit, Research Institute for Medicines, iMed-ULisboa, Faculty of Pharmacy, Universidade de Lisboa, Av. Prof. Gama Pinto, 1649-003 Lisboa, Portugal
| | - José Miguel Azevedo-Pereira
- Host-Pathogen Interactions Unit, Research Institute for Medicines, iMed-ULisboa, Faculty of Pharmacy, Universidade de Lisboa, Av. Prof. Gama Pinto, 1649-003 Lisboa, Portugal
| | - Elsa Anes
- Host-Pathogen Interactions Unit, Research Institute for Medicines, iMed-ULisboa, Faculty of Pharmacy, Universidade de Lisboa, Av. Prof. Gama Pinto, 1649-003 Lisboa, Portugal
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7
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Imamichi T, Chen Q, Sowrirajan B, Yang J, Laverdure S, Mele AR, Watkins C, Adelsberger JW, Higgins J, Sui H. Interleukin-27-induced HIV-resistant dendritic cells suppress reveres transcription following virus entry in an SPTBN1, Autophagy, and YB-1 independent manner. BIORXIV : THE PREPRINT SERVER FOR BIOLOGY 2023:2023.06.12.544550. [PMID: 37546823 PMCID: PMC10402176 DOI: 10.1101/2023.06.12.544550] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 08/08/2023]
Abstract
Interleukin (IL)-27, a member of the IL-12 family of cytokines, induces human immunodeficiency virus (HIV)-resistant monocyte-derived macrophages and T cells. This resistance is mediated via the downregulation of spectrin beta, non-erythrocytic 1 (SPTBN1), induction of autophagy, or suppression of the acetylation of Y-box binding protein-1 (YB-1); however, the role of IL-27 administration during the induction of immature monocyte-derived dendritic cells (iDC) is poorly investigated. In the current study, we investigated the function of IL-27-induced iDC (27DC) on HIV infection. 27DC inhibited HIV infection by 95 ± 3 % without significant changes in the expression of CD4, CCR5, and SPTBN1 expression, autophagy induction and acetylation of YB-1 compared to iDC. An HIV proviral DNA copy number assay displayed that 27DC suppressed reverse transcriptase (RT) reaction without influencing the virus entry. A DNA microarray analysis was performed to identify the differentially expressed genes between 27DC and iDC. Compared to iDC, 51 genes were differentially expressed in 27DC, with more than 3-fold changes in four independent donors. Cross-reference analysis with the reported 2,214 HIV regulatory host genes identified nine genes as potential interests: Ankyrin repeat domain 22, Guanylate binding protein (GBP)-1, -2, -4, -5, Stabilin 1, Serpin family G member 1 (SERPING1), Interferon alpha inducible protein 6, and Interferon-induced protein with tetratricopeptide repeats 3. A knock-down study using si-RNA failed to determine a key factor associated with the anti-HIV activity due to the induction of robust amounts of off-target effects. Overexpression of each protein in cells had no impact on HIV infection. Thus, we could not define the mechanism of the anti-HIV effect in 27DC. However, our findings indicated that IL-27 differentiates monocytes into HIV-resistant DC, and the inhibitory mechanism differs from IL-27-induced HIV-resistant macrophages and T cells.
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Affiliation(s)
- Tomozumi Imamichi
- Laboratory of Human Retrovirology and Immunoinformatics, Frederick National Laboratory for Cancer Research, Frederick, MD, 21702
| | - Qian Chen
- Laboratory of Human Retrovirology and Immunoinformatics, Frederick National Laboratory for Cancer Research, Frederick, MD, 21702
| | - Bharatwaj Sowrirajan
- Laboratory of Human Retrovirology and Immunoinformatics, Frederick National Laboratory for Cancer Research, Frederick, MD, 21702
| | - Jun Yang
- Laboratory of Human Retrovirology and Immunoinformatics, Frederick National Laboratory for Cancer Research, Frederick, MD, 21702
| | - Sylvain Laverdure
- Laboratory of Human Retrovirology and Immunoinformatics, Frederick National Laboratory for Cancer Research, Frederick, MD, 21702
| | - Anthony R. Mele
- Laboratory of Human Retrovirology and Immunoinformatics, Frederick National Laboratory for Cancer Research, Frederick, MD, 21702
| | - Catherine Watkins
- AIDS monitoring Laboratory, Frederick National Laboratory for Cancer Research, Frederick, Maryland 21702, USA
| | - Joseph W. Adelsberger
- AIDS monitoring Laboratory, Frederick National Laboratory for Cancer Research, Frederick, Maryland 21702, USA
| | - Jeanette Higgins
- AIDS monitoring Laboratory, Frederick National Laboratory for Cancer Research, Frederick, Maryland 21702, USA
| | - Hongyan Sui
- Laboratory of Human Retrovirology and Immunoinformatics, Frederick National Laboratory for Cancer Research, Frederick, MD, 21702
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8
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Montero‐Blay A, Blanco JD, Rodriguez‐Arce I, Lastrucci C, Piñero‐Lambea C, Lluch‐Senar M, Serrano L. Bacterial expression of a designed single-chain IL-10 prevents severe lung inflammation. Mol Syst Biol 2023; 19:e11037. [PMID: 36598022 PMCID: PMC9834763 DOI: 10.15252/msb.202211037] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/18/2022] [Revised: 09/27/2022] [Accepted: 10/05/2022] [Indexed: 01/05/2023] Open
Abstract
Interleukin-10 (IL-10) is an anti-inflammatory cytokine that is active as a swapped domain dimer and is used in bacterial therapy of gut inflammation. IL-10 can be used as treatment of a wide range of pulmonary diseases. Here we have developed a non-pathogenic chassis (CV8) of the human lung bacterium Mycoplasma pneumoniae (MPN) to treat lung diseases. We find that IL-10 expression by MPN has a limited impact on the lung inflammatory response in mice. To solve these issues, we rationally designed a single-chain IL-10 (SC-IL10) with or without surface mutations, using our protein design software (ModelX and FoldX). As compared to the IL-10 WT, the designed SC-IL10 molecules increase the effective expression in MPN four-fold, and the activity in mouse and human cell lines between 10 and 60 times, depending on the cell line. The SC-IL10 molecules expressed in the mouse lung by CV8 in vivo have a powerful anti-inflammatory effect on Pseudomonas aeruginosa lung infection. This rational design strategy could be used to other molecules with immunomodulatory properties used in bacterial therapy.
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Affiliation(s)
- Ariadna Montero‐Blay
- Centre for Genomic Regulation (CRG)The Barcelona Institute of Science and TechnologyBarcelonaSpain
| | - Javier Delgado Blanco
- Centre for Genomic Regulation (CRG)The Barcelona Institute of Science and TechnologyBarcelonaSpain
| | - Irene Rodriguez‐Arce
- Centre for Genomic Regulation (CRG)The Barcelona Institute of Science and TechnologyBarcelonaSpain
| | - Claire Lastrucci
- Centre for Genomic Regulation (CRG)The Barcelona Institute of Science and TechnologyBarcelonaSpain
| | - Carlos Piñero‐Lambea
- Centre for Genomic Regulation (CRG)The Barcelona Institute of Science and TechnologyBarcelonaSpain
| | - Maria Lluch‐Senar
- Centre for Genomic Regulation (CRG)The Barcelona Institute of Science and TechnologyBarcelonaSpain
| | - Luis Serrano
- Centre for Genomic Regulation (CRG)The Barcelona Institute of Science and TechnologyBarcelonaSpain
- Universitat Pompeu Fabra (UPF)BarcelonaSpain
- ICREABarcelonaSpain
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9
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Bressy C, Zemani A, Goyal S, Jishkariani D, Lee CN, Chen YH. Inhibition of c-Rel expression in myeloid and lymphoid cells with distearoyl -phosphatidylserine (DSPS) liposomal nanoparticles encapsulating therapeutic siRNA. PLoS One 2022; 17:e0276905. [PMID: 36520934 PMCID: PMC9754606 DOI: 10.1371/journal.pone.0276905] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/06/2022] [Accepted: 10/14/2022] [Indexed: 12/23/2022] Open
Abstract
c-Rel, a member of the nuclear factor kappa B (NF-κB) family, is preferentially expressed by immune cells and is known to regulate inflammation, autoimmune diseases and cancer. However, there is a lack of therapeutic intervention to specifically inhibit c-Rel in immune cells. Recent success with Pfizer and Moderna mRNA lipid-encapsulated vaccines as well as FDA approved medicines based on siRNA prompted us to test a lipid nanoparticle-based strategy to silence c-Rel in immune cells. Specifically, we encapsulated c-Rel-targeting siRNA into distearoyl-phosphatidylserine (DSPS)-containing nanoparticles. DSPS is a saturated phospholipid that serves as the "eat-me" signal for professional phagocytes such as macrophages and neutrophils of the immune system. We demonstrated here that incorporation of DSPS in liposome nanoparticles (LNP) improved their uptake by immune cells. LNP containing high concentrations of DSPS were highly effective to transfect not only macrophages and neutrophils, but also lymphocytes, with limited toxicity to cells. However, LNP containing low concentrations of DSPS were more effective to transfect myeloid cells than lymphoid cells. Importantly, DSPS-LNP loaded with a c-Rel siRNA were highly effective to inhibit c-Rel expression in several professional phagocytes tested, which lasted for several days. Taken together, our results suggest that DSPS-LNP armed with c-Rel siRNA could be exploited to target immune cells to limit the development of inflammatory diseases or cancer caused by c-Rel upregulation. In addition, this newly developed DSPS-LNP system may be further tested to encapsulate and deliver other small molecule drugs to immune cells, especially macrophages, neutrophils, and lymphocytes for the treatment of diseases.
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Affiliation(s)
- Christian Bressy
- Department of Pathology and Laboratory Medicine, Perelman School of Medicine, University of Pennsylvania, Philadelphia, Pennsylvania, United States of America
- * E-mail: (CB); (YHC)
| | - Ali Zemani
- Department of Pathology and Laboratory Medicine, Perelman School of Medicine, University of Pennsylvania, Philadelphia, Pennsylvania, United States of America
| | - Shreya Goyal
- Department of Biological Sciences, University of North Carolina, Charlotte, North Carolina, United States of America
| | - Davit Jishkariani
- Chemical and Nanoparticle Synthesis Core (CNSC), The University of Pennsylvania, Philadelphia, PA, United States of America
- Department of Bioengineering, University of Pennsylvania, Philadelphia, PA, United States of America
| | - Chin Nien Lee
- Department of Pathology and Laboratory Medicine, Perelman School of Medicine, University of Pennsylvania, Philadelphia, Pennsylvania, United States of America
| | - Youhai H. Chen
- Department of Pathology and Laboratory Medicine, Perelman School of Medicine, University of Pennsylvania, Philadelphia, Pennsylvania, United States of America
- Faculty of Pharmaceutical Sciences, CAS Shenzhen Institute of Advanced Technology, Shenzhen, China
- * E-mail: (CB); (YHC)
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10
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Lee HH, Jeong GW, Ye BJ, Yoo EJ, Son KS, Kim DK, Park HK, Kang BH, Lee-Kwon W, Kwon HM, Choi SY. TonEBP in Myeloid Cells Promotes Obesity-Induced Insulin Resistance and Inflammation Through Adipose Tissue Remodeling. Diabetes 2022; 71:2557-2571. [PMID: 36170666 PMCID: PMC9862453 DOI: 10.2337/db21-1099] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 12/15/2021] [Accepted: 09/20/2022] [Indexed: 02/05/2023]
Abstract
The phenotypic and functional plasticity of adipose tissue macrophages (ATMs) during obesity plays a crucial role in orchestration of adipose and systemic inflammation. Tonicity-responsive enhancer binding protein (TonEBP) (also called NFAT5) is a stress protein that mediates cellular responses to a range of metabolic insults. Here, we show that myeloid cell-specific TonEBP depletion reduced inflammation and insulin resistance in mice with high-fat diet-induced obesity but did not affect adiposity. This phenotype was associated with a reduced accumulation and a reduced proinflammatory phenotype of metabolically activated macrophages, decreased expression of inflammatory factors related to insulin resistance, and enhanced insulin sensitivity. TonEBP expression was elevated in the ATMs of obese mice, and Sp1 was identified as a central regulator of TonEBP induction. TonEBP depletion in macrophages decreased induction of insulin resistance-related genes and promoted induction of insulin sensitivity-related genes under obesity-mimicking conditions and thereby improved insulin signaling and glucose uptake in adipocytes. mRNA expression of TonEBP in peripheral blood mononuclear cells was positively correlated with blood glucose levels in mice and humans. These findings suggest that TonEBP in macrophages promotes obesity-associated systemic insulin resistance and inflammation, and downregulation of TonEBP may induce a healthy metabolic state during obesity.
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Affiliation(s)
- Hwan Hee Lee
- School of Biological Sciences, Ulsan National Institute of Science and Technology, Ulsan, Republic of Korea
| | - Gyu Won Jeong
- School of Biological Sciences, Ulsan National Institute of Science and Technology, Ulsan, Republic of Korea
| | - Byeong Jin Ye
- School of Biological Sciences, Ulsan National Institute of Science and Technology, Ulsan, Republic of Korea
| | - Eun Jin Yoo
- School of Biological Sciences, Ulsan National Institute of Science and Technology, Ulsan, Republic of Korea
| | - Keoung Sun Son
- School of Biological Sciences, Ulsan National Institute of Science and Technology, Ulsan, Republic of Korea
| | - Dong Ki Kim
- Department of Internal Medicine, Seoul National University Hospital, Seoul National University College of Medicine, Seoul, Republic of Korea
| | - Hye-Kyung Park
- School of Biological Sciences, Ulsan National Institute of Science and Technology, Ulsan, Republic of Korea
| | - Byoung Heon Kang
- School of Biological Sciences, Ulsan National Institute of Science and Technology, Ulsan, Republic of Korea
| | - Whaseon Lee-Kwon
- School of Biological Sciences, Ulsan National Institute of Science and Technology, Ulsan, Republic of Korea
| | - Hyug Moo Kwon
- School of Biological Sciences, Ulsan National Institute of Science and Technology, Ulsan, Republic of Korea
- Corresponding author: Soo Youn Choi, , or Hyug Moo Kwon,
| | - Soo Youn Choi
- School of Biological Sciences, Ulsan National Institute of Science and Technology, Ulsan, Republic of Korea
- Department of Biology, Jeju National University, Jeju, Republic of Korea
- Corresponding author: Soo Youn Choi, , or Hyug Moo Kwon,
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11
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Dupont M, Rousset S, Manh TPV, Monard SC, Pingris K, Souriant S, Vahlas Z, Velez T, Poincloux R, Maridonneau-Parini I, Neyrolles O, Lugo-Villarino G, Vérollet C. Dysregulation of the IFN-I signaling pathway by Mycobacterium tuberculosis leads to exacerbation of HIV-1 infection of macrophages. J Leukoc Biol 2022; 112:1329-1342. [PMID: 35588259 DOI: 10.1002/jlb.4ma0422-730r] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/15/2022] [Revised: 04/01/2022] [Indexed: 12/24/2022] Open
Abstract
While tuberculosis (TB) is a risk factor in HIV-1-infected individuals, the mechanisms by which Mycobacterium tuberculosis (Mtb), the agent of TB in humans, worsens HIV-1 pathogenesis still need to be fully elucidated. Recently, we showed that HIV-1 infection and spread are exacerbated in macrophages exposed to TB-associated microenvironments. Transcriptomic analysis of macrophages conditioned with medium of Mtb-infected human macrophages (cmMTB) revealed an up-regulation of the typeI interferon (IFN-I) pathway, characterized by the overexpression of IFN-inducible genes. Historically, IFN-I are well known for their antiviral functions, but our previous work showed that this is not the case in the context of coinfection with HIV-1. Here, we show that the IFN-I response signature in cmMTB-treated macrophages matches the one observed in the blood of active TB patients, and depends on the timing of incubation with cmMTB. This suggests that the timing of macrophage's exposure to IFN-I can impact their capacity to control HIV-1 infection. Strikingly, we found that cmMTB-treated macrophages are hyporesponsive to extrastimulation with exogenous IFN-I, used to mimic HIV-1 infection. Yet, depleting STAT1 by gene silencing to block the IFN-I signaling pathway reduced TB-induced exacerbation of HIV-1 infection. Altogether, by aiming to understand why TB-derived IFN-I preexposure of macrophages did not induce antiviral immunity against HIV-1, we demonstrated that these cells are hyporesponsive to exogenous IFN-I, a phenomenon that prevents macrophage activation against HIV-1.
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Affiliation(s)
- Maeva Dupont
- Institut de Pharmacologie et Biologie Structurale, IPBS, Université de Toulouse, CNRS, UPS, Toulouse, France.,International Research Project (IRP) CNRS "MAC-TB/HIV", Toulouse, France.,International Research Project (IRP) CNRS "MAC-TB/HIV", Buenos Aires, Argentina.,The Sir William Dunn School of Pathology, The University of Oxford, Oxford, UK
| | - Stella Rousset
- Institut de Pharmacologie et Biologie Structurale, IPBS, Université de Toulouse, CNRS, UPS, Toulouse, France.,Department of Infectious and Tropical Diseases, Toulouse University Hospital, Toulouse Cedex, France
| | | | - Sarah Catherine Monard
- Institut de Pharmacologie et Biologie Structurale, IPBS, Université de Toulouse, CNRS, UPS, Toulouse, France.,International Research Project (IRP) CNRS "MAC-TB/HIV", Toulouse, France.,International Research Project (IRP) CNRS "MAC-TB/HIV", Buenos Aires, Argentina
| | - Karine Pingris
- Institut de Pharmacologie et Biologie Structurale, IPBS, Université de Toulouse, CNRS, UPS, Toulouse, France
| | - Shanti Souriant
- Institut de Pharmacologie et Biologie Structurale, IPBS, Université de Toulouse, CNRS, UPS, Toulouse, France
| | - Zoï Vahlas
- Institut de Pharmacologie et Biologie Structurale, IPBS, Université de Toulouse, CNRS, UPS, Toulouse, France.,International Research Project (IRP) CNRS "MAC-TB/HIV", Toulouse, France.,International Research Project (IRP) CNRS "MAC-TB/HIV", Buenos Aires, Argentina
| | - Tomàs Velez
- Institut de Pharmacologie et Biologie Structurale, IPBS, Université de Toulouse, CNRS, UPS, Toulouse, France
| | - Renaud Poincloux
- Institut de Pharmacologie et Biologie Structurale, IPBS, Université de Toulouse, CNRS, UPS, Toulouse, France.,International Research Project (IRP) CNRS "MAC-TB/HIV", Toulouse, France.,International Research Project (IRP) CNRS "MAC-TB/HIV", Buenos Aires, Argentina
| | - Isabelle Maridonneau-Parini
- Institut de Pharmacologie et Biologie Structurale, IPBS, Université de Toulouse, CNRS, UPS, Toulouse, France.,International Research Project (IRP) CNRS "MAC-TB/HIV", Toulouse, France.,International Research Project (IRP) CNRS "MAC-TB/HIV", Buenos Aires, Argentina
| | - Olivier Neyrolles
- Institut de Pharmacologie et Biologie Structurale, IPBS, Université de Toulouse, CNRS, UPS, Toulouse, France.,International Research Project (IRP) CNRS "MAC-TB/HIV", Toulouse, France.,International Research Project (IRP) CNRS "MAC-TB/HIV", Buenos Aires, Argentina
| | - Geanncarlo Lugo-Villarino
- Institut de Pharmacologie et Biologie Structurale, IPBS, Université de Toulouse, CNRS, UPS, Toulouse, France.,International Research Project (IRP) CNRS "MAC-TB/HIV", Toulouse, France.,International Research Project (IRP) CNRS "MAC-TB/HIV", Buenos Aires, Argentina
| | - Christel Vérollet
- Institut de Pharmacologie et Biologie Structurale, IPBS, Université de Toulouse, CNRS, UPS, Toulouse, France.,International Research Project (IRP) CNRS "MAC-TB/HIV", Toulouse, France.,International Research Project (IRP) CNRS "MAC-TB/HIV", Buenos Aires, Argentina
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12
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Xie J, Gui X, Deng M, Chen H, Chen Y, Liu X, Ku Z, Tan L, Huang R, He Y, Zhang B, Lewis C, Chen K, Xu L, Xu J, Huang T, Liao XC, Zhang N, An Z, Zhang CC. Blocking LAIR1 signaling in immune cells inhibits tumor development. Front Immunol 2022; 13:996026. [PMID: 36211388 PMCID: PMC9534319 DOI: 10.3389/fimmu.2022.996026] [Citation(s) in RCA: 6] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/16/2022] [Accepted: 09/01/2022] [Indexed: 12/31/2022] Open
Abstract
The current immune checkpoint blockade therapy has been successful in treating some cancers but not others. New molecular targets and therapeutic approaches of cancer immunology need to be identified. Leukocyte associated immunoglobulin like receptor 1 (LAIR1) is an immune inhibitory receptor expressing on most immune cell types. However, it remains a question whether we can specifically and actively block LAIR1 signaling to activate immune responses for cancer treatment. Here we report the development of specific antagonistic anti-LAIR1 monoclonal antibodies and studied the effects of LAIR1 blockade on the anti-tumor immune functions. The anti-LAIR1 antagonistic antibody stimulated the activities of T cells, natural killer cells, macrophages, and dendritic cells in vitro. The single-cell RNA sequencing analysis of intratumoral immune cells in syngeneic human LAIR1 transgenic mice treated with control or anti-LAIR1 antagonist antibodies indicates that LAIR1 signaling blockade increased the numbers of CD4 memory T cells and inflammatory macrophages, but decreased those of pro-tumor macrophages, regulatory T cells, and plasmacytoid dendritic cells. Importantly, the LAIR1 blockade by the antagonistic antibody inhibited the activity of immunosuppressive myeloid cells and reactivated T cells from cancer patients in vitro and impeded tumor metastasis in a humanized mouse model. Blocking LAIR1 signaling in immune cells represents a promising strategy for development of anti-cancer immunotherapy.
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Affiliation(s)
- Jingjing Xie
- Department of Physiology, University of Texas Southwestern Medical Center, Dallas, TX, United States
| | - Xun Gui
- Texas Therapeutics Institute, Brown Foundation Institute of Molecular Medicine, University of Texas Health Science Center, Houston, TX, United States
| | - Mi Deng
- Department of Physiology, University of Texas Southwestern Medical Center, Dallas, TX, United States
| | - Heyu Chen
- Department of Physiology, University of Texas Southwestern Medical Center, Dallas, TX, United States
| | - Yuanzhi Chen
- Texas Therapeutics Institute, Brown Foundation Institute of Molecular Medicine, University of Texas Health Science Center, Houston, TX, United States
| | - Xiaoye Liu
- Department of Physiology, University of Texas Southwestern Medical Center, Dallas, TX, United States
| | - Zhiqiang Ku
- Texas Therapeutics Institute, Brown Foundation Institute of Molecular Medicine, University of Texas Health Science Center, Houston, TX, United States
| | - Lingxiao Tan
- Texas Therapeutics Institute, Brown Foundation Institute of Molecular Medicine, University of Texas Health Science Center, Houston, TX, United States
| | - Ryan Huang
- Department of Physiology, University of Texas Southwestern Medical Center, Dallas, TX, United States
| | - Yubo He
- Department of Physiology, University of Texas Southwestern Medical Center, Dallas, TX, United States
| | - Bruce Zhang
- Department of Physiology, University of Texas Southwestern Medical Center, Dallas, TX, United States
| | - Cheryl Lewis
- Harold C. Simmons Comprehensive Cancer Center, University of Texas Southwestern Medical Center, Dallas, TX, United States
| | - Kenian Chen
- Department of Population and Data Sciences, University of Texas Southwestern Medical Center, Dallas, TX, United States,Department of Pediatrics, University of Texas Southwestern Medical Center,
Dallas, TX, United States
| | - Lin Xu
- Department of Population and Data Sciences, University of Texas Southwestern Medical Center, Dallas, TX, United States,Department of Pediatrics, University of Texas Southwestern Medical Center,
Dallas, TX, United States
| | - Jian Xu
- Children’s Medical Center Research Institute, University of Texas Southwestern Medical Center, Dallas, TX, United States
| | - Tao Huang
- Immune-Onc Therapeutics, Inc, Palo Alto, CA, United States
| | | | - Ningyan Zhang
- Texas Therapeutics Institute, Brown Foundation Institute of Molecular Medicine, University of Texas Health Science Center, Houston, TX, United States
| | - Zhiqiang An
- Texas Therapeutics Institute, Brown Foundation Institute of Molecular Medicine, University of Texas Health Science Center, Houston, TX, United States,*Correspondence: Zhiqiang An, ; Cheng Cheng Zhang,
| | - Cheng Cheng Zhang
- Department of Physiology, University of Texas Southwestern Medical Center, Dallas, TX, United States,*Correspondence: Zhiqiang An, ; Cheng Cheng Zhang,
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13
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Branche E, Wang YT, Viramontes KM, Valls Cuevas JM, Xie J, Ana-Sosa-Batiz F, Shafee N, Duttke SH, McMillan RE, Clark AE, Nguyen MN, Garretson AF, Crames JJ, Spann NJ, Zhu Z, Rich JN, Spector DH, Benner C, Shresta S, Carlin AF. SREBP2-dependent lipid gene transcription enhances the infection of human dendritic cells by Zika virus. Nat Commun 2022; 13:5341. [PMID: 36097162 PMCID: PMC9465152 DOI: 10.1038/s41467-022-33041-1] [Citation(s) in RCA: 16] [Impact Index Per Article: 8.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/08/2020] [Accepted: 08/29/2022] [Indexed: 02/07/2023] Open
Abstract
The emergence of Zika virus (ZIKV) as a global health threat has highlighted the unmet need for ZIKV-specific vaccines and antiviral treatments. ZIKV infects dendritic cells (DC), which have pivotal functions in activating innate and adaptive antiviral responses; however, the mechanisms by which DC function is subverted to establish ZIKV infection are unclear. Here we develop a genomics profiling method that enables discrete analysis of ZIKV-infected versus neighboring, uninfected primary human DCs to increase the sensitivity and specificity with which ZIKV-modulated pathways can be identified. The results show that ZIKV infection specifically increases the expression of genes enriched for lipid metabolism-related functions. ZIKV infection also increases the recruitment of sterol regulatory element-binding protein (SREBP) transcription factors to lipid gene promoters, while pharmacologic inhibition or genetic silencing of SREBP2 suppresses ZIKV infection of DCs. Our data thus identify SREBP2-activated transcription as a mechanism for promoting ZIKV infection amenable to therapeutic targeting.
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Affiliation(s)
- Emilie Branche
- Center for Infectious Disease and Vaccine Research, La Jolla Institute for Immunology, La Jolla, CA, 92037, USA
| | - Ying-Ting Wang
- Center for Infectious Disease and Vaccine Research, La Jolla Institute for Immunology, La Jolla, CA, 92037, USA
| | - Karla M Viramontes
- Center for Infectious Disease and Vaccine Research, La Jolla Institute for Immunology, La Jolla, CA, 92037, USA
| | - Joan M Valls Cuevas
- Center for Infectious Disease and Vaccine Research, La Jolla Institute for Immunology, La Jolla, CA, 92037, USA
| | - Jialei Xie
- Department of Medicine, School of Medicine, University of California, San Diego, La Jolla, CA, 92093, USA
| | - Fernanda Ana-Sosa-Batiz
- Center for Infectious Disease and Vaccine Research, La Jolla Institute for Immunology, La Jolla, CA, 92037, USA
| | - Norazizah Shafee
- Center for Infectious Disease and Vaccine Research, La Jolla Institute for Immunology, La Jolla, CA, 92037, USA
| | - Sascha H Duttke
- School of Molecular Biosciences, College of Veterinary Medicine, Washington State University, Pullman, WA, 99163, USA
| | - Rachel E McMillan
- Department of Medicine, School of Medicine, University of California, San Diego, La Jolla, CA, 92093, USA
- Biomedical Sciences Graduate Program, University of California, La Jolla, CA, 92093, USA
| | - Alex E Clark
- Department of Medicine, School of Medicine, University of California, San Diego, La Jolla, CA, 92093, USA
- Department of Cellular and Molecular Medicine, School of Medicine, University of California San Diego, La Jolla, CA, 92093, USA
| | - Michael N Nguyen
- Center for Infectious Disease and Vaccine Research, La Jolla Institute for Immunology, La Jolla, CA, 92037, USA
| | - Aaron F Garretson
- Department of Medicine, School of Medicine, University of California, San Diego, La Jolla, CA, 92093, USA
| | - Jan J Crames
- Center for Infectious Disease and Vaccine Research, La Jolla Institute for Immunology, La Jolla, CA, 92037, USA
| | - Nathan J Spann
- Department of Cellular and Molecular Medicine, School of Medicine, University of California San Diego, La Jolla, CA, 92093, USA
| | - Zhe Zhu
- Department of Medicine, Division of Regenerative Medicine, University of California San Diego, La Jolla, CA, 92093, USA
- Sanford Consortium for Regenerative Medicine, La Jolla, CA, 92037, USA
| | - Jeremy N Rich
- Department of Medicine, Division of Regenerative Medicine, University of California San Diego, La Jolla, CA, 92093, USA
- Department of Neurology, UPMC Hillman Cancer Center, Pittsburgh, Pennsylvania; Department of Neurology, University of Pittsburgh, Pittsburgh, PA, 15232, USA
| | - Deborah H Spector
- Department of Cellular and Molecular Medicine, School of Medicine, University of California San Diego, La Jolla, CA, 92093, USA
| | - Christopher Benner
- Department of Medicine, School of Medicine, University of California, San Diego, La Jolla, CA, 92093, USA
| | - Sujan Shresta
- Center for Infectious Disease and Vaccine Research, La Jolla Institute for Immunology, La Jolla, CA, 92037, USA.
| | - Aaron F Carlin
- Department of Medicine, School of Medicine, University of California, San Diego, La Jolla, CA, 92093, USA.
- Department of Pathology, School of Medicine, University of California, San Diego, La Jolla, CA, 92093, USA.
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14
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Mallick AM, Tripathi A, Mishra S, Mukherjee A, Dutta C, Chatterjee A, Sinha Roy R. Emerging Approaches for Enabling RNAi Therapeutics. Chem Asian J 2022; 17:e202200451. [PMID: 35689534 DOI: 10.1002/asia.202200451] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/28/2022] [Revised: 06/04/2022] [Indexed: 11/07/2022]
Abstract
RNA interference (RNAi) is a primitive evolutionary mechanism developed to escape incorporation of foreign genetic material. siRNA has been instrumental in achieving the therapeutic potential of RNAi by theoretically silencing any gene of interest in a reversible and sequence-specific manner. Extrinsically administered siRNA generally needs a delivery vehicle to span across different physiological barriers and load into the RISC complex in the cytoplasm in its functional form to show its efficacy. This review discusses the designing principles and examples of different classes of delivery vehicles that have proved to be efficient in RNAi therapeutics. We also briefly discuss the role of RNAi therapeutics in genetic and rare diseases, epigenetic modifications, immunomodulation and combination modality to inch closer in creating a personalized therapy for metastatic cancer. At the end, we present, strategies and look into the opportunities to develop efficient delivery vehicles for RNAi which can be translated into clinics.
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Affiliation(s)
- Argha M Mallick
- Department of Biological Sciences, Indian Institute of Science Education and Research Kolkata, Mohanpur, 741246, India
| | - Archana Tripathi
- Department of Biological Sciences, Indian Institute of Science Education and Research Kolkata, Mohanpur, 741246, India
| | - Sukumar Mishra
- Department of Biological Sciences, Indian Institute of Science Education and Research Kolkata, Mohanpur, 741246, India
| | - Asmita Mukherjee
- Department of Biological Sciences, Indian Institute of Science Education and Research Kolkata, Mohanpur, 741246, India
| | - Chiranjit Dutta
- Department of Chemical Sciences, Indian Institute of Science Education and Research Kolkata, Mohanpur, 741246, India.,Present address:Department of Biological Sciences, NUS Environmental Research Institute (NERI), National University of Singapore (NUS), Block S2 #05-01, 16 Science Drive 4, Singapore, 117558, Singapore
| | - Ananya Chatterjee
- Department of Biological Sciences, Indian Institute of Science Education and Research Kolkata, Mohanpur, 741246, India
| | - Rituparna Sinha Roy
- Department of Biological Sciences, Indian Institute of Science Education and Research Kolkata, Mohanpur, 741246, India.,Centre for Advanced Functional Materials, Indian Institute of Science Education and Research Kolkata, 741246, Mohanpur, India.,Centre for Climate and Environmental Studies, Indian Institute of Science Education and Research Kolkata, 741246, Mohanpur, India
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15
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Stok JE, Oosenbrug T, ter Haar LR, Gravekamp D, Bromley CP, Zelenay S, Reis e Sousa C, van der Veen AG. RNA sensing via the RIG-I-like receptor LGP2 is essential for the induction of a type I IFN response in ADAR1 deficiency. EMBO J 2022; 41:e109760. [PMID: 35156720 PMCID: PMC8922249 DOI: 10.15252/embj.2021109760] [Citation(s) in RCA: 22] [Impact Index Per Article: 11.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/20/2021] [Revised: 01/07/2022] [Accepted: 01/11/2022] [Indexed: 12/12/2022] Open
Abstract
RNA editing by the adenosine deaminase ADAR1 prevents innate immune responses to endogenous RNAs. In ADAR1-deficient cells, unedited self RNAs form base-paired structures that resemble viral RNAs and inadvertently activate the cytosolic RIG-I-like receptor (RLR) MDA5, leading to an antiviral type I interferon (IFN) response. Mutations in ADAR1 cause Aicardi-Goutières Syndrome (AGS), an autoinflammatory syndrome characterized by chronic type I IFN production. Conversely, ADAR1 loss and the consequent type I IFN production restricts tumor growth and potentiates the activity of some chemotherapeutics. Here, we show that another RIG-I-like receptor, LGP2, also has an essential role in the induction of a type I IFN response in ADAR1-deficient human cells. This requires the canonical function of LGP2 as an RNA sensor and facilitator of MDA5-dependent signaling. Furthermore, we show that the sensitivity of tumor cells to ADAR1 loss requires LGP2 expression. Finally, type I IFN induction in tumor cells depleted of ADAR1 and treated with some chemotherapeutics fully depends on LGP2 expression. These findings highlight a central role for LGP2 in self RNA sensing with important clinical implications.
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Affiliation(s)
- Jorn E Stok
- Department of ImmunologyLeiden University Medical CentreLeidenThe Netherlands
| | - Timo Oosenbrug
- Department of ImmunologyLeiden University Medical CentreLeidenThe Netherlands
| | - Laurens R ter Haar
- Department of ImmunologyLeiden University Medical CentreLeidenThe Netherlands
| | - Dennis Gravekamp
- Department of ImmunologyLeiden University Medical CentreLeidenThe Netherlands
| | - Christian P Bromley
- Cancer Research UK Manchester InstituteThe University of ManchesterAlderley ParkUK
| | - Santiago Zelenay
- Cancer Research UK Manchester InstituteThe University of ManchesterAlderley ParkUK
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16
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Pires D, Calado M, Velez T, Mandal M, Catalão MJ, Neyrolles O, Lugo-Villarino G, Vérollet C, Azevedo-Pereira JM, Anes E. Modulation of Cystatin C in Human Macrophages Improves Anti-Mycobacterial Immune Responses to Mycobacterium tuberculosis Infection and Coinfection With HIV. Front Immunol 2021; 12:742822. [PMID: 34867965 PMCID: PMC8637326 DOI: 10.3389/fimmu.2021.742822] [Citation(s) in RCA: 11] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/16/2021] [Accepted: 10/21/2021] [Indexed: 11/25/2022] Open
Abstract
Tuberculosis owes its resurgence as a major global health threat mostly to the emergence of drug resistance and coinfection with HIV. The synergy between HIV and Mycobacterium tuberculosis (Mtb) modifies the host immune environment to enhance both viral and bacterial replication and spread. In the lung immune context, both pathogens infect macrophages, establishing favorable intracellular niches. Both manipulate the endocytic pathway in order to avoid destruction. Relevant players of the endocytic pathway to control pathogens include endolysosomal proteases, cathepsins, and their natural inhibitors, cystatins. Here, a mapping of the human macrophage transcriptome for type I and II cystatins during Mtb, HIV, or Mtb-HIV infection displayed different profiles of gene expression, revealing cystatin C as a potential target to control mycobacterial infection as well as HIV coinfection. We found that cystatin C silencing in macrophages significantly improves the intracellular killing of Mtb, which was concomitant with an increased general proteolytic activity of cathepsins. In addition, downmodulation of cystatin C led to an improved expression of the human leukocyte antigen (HLA) class II in macrophages and an increased CD4+ T-lymphocyte proliferation along with enhanced IFN-γ secretion. Overall, our results suggest that the targeting of cystatin C in human macrophages represents a promising approach to improve the control of mycobacterial infections including multidrug-resistant (MDR) TB.
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Affiliation(s)
- David Pires
- Host-Pathogen Interactions, Research Institute for Medicines, iMed-ULisboa, Faculty of Pharmacy, Universidade de Lisboa, Lisbon, Portugal
| | - Marta Calado
- Host-Pathogen Interactions, Research Institute for Medicines, iMed-ULisboa, Faculty of Pharmacy, Universidade de Lisboa, Lisbon, Portugal
| | - Tomás Velez
- Host-Pathogen Interactions, Research Institute for Medicines, iMed-ULisboa, Faculty of Pharmacy, Universidade de Lisboa, Lisbon, Portugal
| | - Manoj Mandal
- Host-Pathogen Interactions, Research Institute for Medicines, iMed-ULisboa, Faculty of Pharmacy, Universidade de Lisboa, Lisbon, Portugal
| | - Maria João Catalão
- Host-Pathogen Interactions, Research Institute for Medicines, iMed-ULisboa, Faculty of Pharmacy, Universidade de Lisboa, Lisbon, Portugal
| | - Olivier Neyrolles
- Institut de Pharmacologie et Biologie Structurale, IPBS, Université de Toulouse, Centre National de la Recherche Scientifique (CNRS), Toulouse, France
| | - Geanncarlo Lugo-Villarino
- Institut de Pharmacologie et Biologie Structurale, IPBS, Université de Toulouse, Centre National de la Recherche Scientifique (CNRS), Toulouse, France
| | - Christel Vérollet
- Institut de Pharmacologie et Biologie Structurale, IPBS, Université de Toulouse, Centre National de la Recherche Scientifique (CNRS), Toulouse, France
| | - José Miguel Azevedo-Pereira
- Host-Pathogen Interactions, Research Institute for Medicines, iMed-ULisboa, Faculty of Pharmacy, Universidade de Lisboa, Lisbon, Portugal
| | - Elsa Anes
- Host-Pathogen Interactions, Research Institute for Medicines, iMed-ULisboa, Faculty of Pharmacy, Universidade de Lisboa, Lisbon, Portugal
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17
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Payros D, Alonso H, Malaga W, Volle A, Mazères S, Déjean S, Valière S, Moreau F, Balor S, Stella A, Combes-Soia L, Burlet-Schiltz O, Bouchez O, Nigou J, Astarie-Dequeker C, Guilhot C. Rv0180c contributes to Mycobacterium tuberculosis cell shape and to infectivity in mice and macrophages. PLoS Pathog 2021; 17:e1010020. [PMID: 34724002 PMCID: PMC8584747 DOI: 10.1371/journal.ppat.1010020] [Citation(s) in RCA: 9] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/29/2021] [Revised: 11/11/2021] [Accepted: 10/08/2021] [Indexed: 11/19/2022] Open
Abstract
Mycobacterium tuberculosis, the main causative agent of human tuberculosis, is transmitted from person to person via small droplets containing very few bacteria. Optimizing the chance to seed in the lungs is therefore a major adaptation to favor survival and dissemination in the human population. Here we used TnSeq to identify genes important for the early events leading to bacterial seeding in the lungs. Beside several genes encoding known virulence factors, we found three new candidates not previously described: rv0180c, rv1779c and rv1592c. We focused on the gene, rv0180c, of unknown function. First, we found that deletion of rv0180c in M. tuberculosis substantially reduced the initiation of infection in the lungs of mice. Next, we established that Rv0180c enhances entry into macrophages through the use of complement-receptor 3 (CR3), a major phagocytic receptor for M. tuberculosis. Silencing CR3 or blocking the CR3 lectin site abolished the difference in entry between the wild-type parental strain and the Δrv0180c::km mutant. However, we detected no difference in the production of both CR3-known carbohydrate ligands (glucan, arabinomannan, mannan), CR3-modulating lipids (phthiocerol dimycocerosate), or proteins in the capsule of the Δrv0180c::km mutant in comparison to the wild-type or complemented strains. By contrast, we established that Rv0180c contributes to the functionality of the bacterial cell envelope regarding resistance to toxic molecule attack and cell shape. This alteration of bacterial shape could impair the engagement of membrane receptors that M. tuberculosis uses to invade host cells, and open a new perspective on the modulation of bacterial infectivity. The epidemic efficiency of tuberculosis bacilli is determined by their capacity to transmit via aerosol. Currently, the bacterial functions that favor Mycobacterium tuberculosis seeding in the lung of naïve host remain mostly unknown. Here we implemented a genome-wide approach to identify M. tuberculosis mutants deficient for seeding and early replication in the lung of mice. In addition to genes known to encode virulence factors, we identified three genes not previously described. We used complementary approaches to characterize the phenotype of a M. tuberculosis mutant with insertion within the rv0180c gene. We found that this mutant is impaired for seeding in the lung of mice and for invasion and replication in human macrophages. In macrophages, the defect relies on a lack of engagement of CR3 receptor. Although we did not detect any difference between the wild type strain and the rv0180c mutant with regard to potential CR3-ligand, we found that the bacterial cell envelope is altered in the rv0180c mutant. Our study provides new insight into bacterial genes required for early interaction of M. tuberculosis with the host and perspective to understand the bacterial functions enhancing infectivity.
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Affiliation(s)
- Delphine Payros
- Institut de Pharmacologie et de Biologie Structurale (IPBS), Université de Toulouse, CNRS, UPS, Toulouse, France
| | - Henar Alonso
- Institut de Pharmacologie et de Biologie Structurale (IPBS), Université de Toulouse, CNRS, UPS, Toulouse, France
| | - Wladimir Malaga
- Institut de Pharmacologie et de Biologie Structurale (IPBS), Université de Toulouse, CNRS, UPS, Toulouse, France
| | - Arnaud Volle
- Institut de Pharmacologie et de Biologie Structurale (IPBS), Université de Toulouse, CNRS, UPS, Toulouse, France
| | - Serge Mazères
- Institut de Pharmacologie et de Biologie Structurale (IPBS), Université de Toulouse, CNRS, UPS, Toulouse, France
| | - Sébastien Déjean
- Institut de Mathématiques de Toulouse, UMR5219, Université de Toulouse, CNRS, UPS, Toulouse, France
| | | | - Flavie Moreau
- Institut de Pharmacologie et de Biologie Structurale (IPBS), Université de Toulouse, CNRS, UPS, Toulouse, France
| | - Stéphanie Balor
- Plateforme de Microscopie Électronique Intégrative (METi), Centre de Biologie Intégrative (CBI), CNRS, Toulouse, France
| | - Alexandre Stella
- Institut de Pharmacologie et de Biologie Structurale (IPBS), Université de Toulouse, CNRS, UPS, Toulouse, France
| | - Lucie Combes-Soia
- Institut de Pharmacologie et de Biologie Structurale (IPBS), Université de Toulouse, CNRS, UPS, Toulouse, France
| | - Odile Burlet-Schiltz
- Institut de Pharmacologie et de Biologie Structurale (IPBS), Université de Toulouse, CNRS, UPS, Toulouse, France
| | | | - Jérôme Nigou
- Institut de Pharmacologie et de Biologie Structurale (IPBS), Université de Toulouse, CNRS, UPS, Toulouse, France
| | - Catherine Astarie-Dequeker
- Institut de Pharmacologie et de Biologie Structurale (IPBS), Université de Toulouse, CNRS, UPS, Toulouse, France
- * E-mail: (CAD); (CG)
| | - Christophe Guilhot
- Institut de Pharmacologie et de Biologie Structurale (IPBS), Université de Toulouse, CNRS, UPS, Toulouse, France
- * E-mail: (CAD); (CG)
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18
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Lamprinaki D, Garcia-Vello P, Marchetti R, Hellmich C, McCord KA, Bowles KM, Macauley MS, Silipo A, De Castro C, Crocker PR, Juge N. Siglec-7 Mediates Immunomodulation by Colorectal Cancer-Associated Fusobacterium nucleatum ssp. animalis. Front Immunol 2021; 12:744184. [PMID: 34659241 PMCID: PMC8517482 DOI: 10.3389/fimmu.2021.744184] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/19/2021] [Accepted: 09/15/2021] [Indexed: 11/24/2022] Open
Abstract
Fusobacterium nucleatum is involved in the development of colorectal cancer (CRC) through innate immune cell modulation. However, the receptors of the interaction between F. nucleatum ssp. and immune cells remain largely undetermined. Here, we showed that F. nucleatum ssp. animalis interacts with Siglecs (sialic acid-binding immunoglobulin-like lectins) expressed on innate immune cells with highest binding to Siglec-7. Binding to Siglec-7 was also observed using F. nucleatum-derived outer membrane vesicles (OMVs) and lipopolysaccharide (LPS). F. nucleatum and its derived OMVs or LPS induced a pro-inflammatory profile in human monocyte-derived dendritic cells (moDCs) and a tumour associated profile in human monocyte-derived macrophages (moMϕs). Siglec-7 silencing in moDCs or CRISPR-cas9 Siglec-7-depletion of U-937 macrophage cells altered F. nucleatum induced cytokine but not marker expression. The molecular interaction between Siglec-7 and the LPS O-antigen purified from F. nucleatum ssp. animalis was further characterised by saturation transfer difference (STD) NMR spectroscopy, revealing novel ligands for Siglec-7. Together, these data support a new role for Siglec-7 in mediating immune modulation by F. nucleatum strains and their OMVs through recognition of LPS on the bacterial cell surface. This opens a new dimension in our understanding of how F. nucleatum promotes CRC progression through the generation of a pro-inflammatory environment and provides a molecular lead for the development of novel cancer therapeutic approaches targeting F. nucleatum-Siglec-7 interaction.
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Affiliation(s)
- Dimitra Lamprinaki
- Quadram Institute Bioscience, Norwich Research Park, Norwich, United Kingdom
| | - Pilar Garcia-Vello
- Department of Chemical Sciences, University of Naples Federico II, Naples, Italy
| | - Roberta Marchetti
- Department of Chemical Sciences, University of Naples Federico II, Naples, Italy
| | - Charlotte Hellmich
- Norfolk and Norwich University Hospitals, NHS Foundation Trust, Norwich, United Kingdom
| | - Kelli A. McCord
- Departments of Chemistry, and Medical Microbiology and Immunology, University of Alberta, Edmonton, AB, Canada
| | - Kristian M. Bowles
- Norfolk and Norwich University Hospitals, NHS Foundation Trust, Norwich, United Kingdom
- Norwich Medical School, University of East Anglia, Norwich, United Kingdom
| | - Matthew S. Macauley
- Departments of Chemistry, and Medical Microbiology and Immunology, University of Alberta, Edmonton, AB, Canada
| | - Alba Silipo
- Department of Chemical Sciences, University of Naples Federico II, Naples, Italy
| | - Cristina De Castro
- Department of Agricultural Sciences, University of Naples Federico II, Portici, Italy
| | - Paul R. Crocker
- Division of Cell Signalling and Immunology, School of Life Sciences, University of Dundee, Dundee, United Kingdom
| | - Nathalie Juge
- Quadram Institute Bioscience, Norwich Research Park, Norwich, United Kingdom
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19
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Bagayoko S, Leon-Icaza SA, Pinilla M, Hessel A, Santoni K, Péricat D, Bordignon PJ, Moreau F, Eren E, Boyancé A, Naser E, Lefèvre L, Berrone C, Iakobachvili N, Metais A, Rombouts Y, Lugo-Villarino G, Coste A, Attrée I, Frank DW, Clevers H, Peters PJ, Cougoule C, Planès R, Meunier E. Host phospholipid peroxidation fuels ExoU-dependent cell necrosis and supports Pseudomonas aeruginosa-driven pathology. PLoS Pathog 2021; 17:e1009927. [PMID: 34516571 PMCID: PMC8460005 DOI: 10.1371/journal.ppat.1009927] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/19/2021] [Revised: 09/23/2021] [Accepted: 08/29/2021] [Indexed: 11/20/2022] Open
Abstract
Regulated cell necrosis supports immune and anti-infectious strategies of the body; however, dysregulation of these processes drives pathological organ damage. Pseudomonas aeruginosa expresses a phospholipase, ExoU that triggers pathological host cell necrosis through a poorly characterized pathway. Here, we investigated the molecular and cellular mechanisms of ExoU-mediated necrosis. We show that cellular peroxidised phospholipids enhance ExoU phospholipase activity, which drives necrosis of immune and non-immune cells. Conversely, both the endogenous lipid peroxidation regulator GPX4 and the pharmacological inhibition of lipid peroxidation delay ExoU-dependent cell necrosis and improve bacterial elimination in vitro and in vivo. Our findings also pertain to the ExoU-related phospholipase from the bacterial pathogen Burkholderia thailandensis, suggesting that exploitation of peroxidised phospholipids might be a conserved virulence mechanism among various microbial phospholipases. Overall, our results identify an original lipid peroxidation-based virulence mechanism as a strong contributor of microbial phospholipase-driven pathology.
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Affiliation(s)
- Salimata Bagayoko
- Institute of Pharmacology and Structural Biology (IPBS), University of Toulouse, CNRS, Toulouse, France
| | - Stephen Adonai Leon-Icaza
- Institute of Pharmacology and Structural Biology (IPBS), University of Toulouse, CNRS, Toulouse, France
| | - Miriam Pinilla
- Institute of Pharmacology and Structural Biology (IPBS), University of Toulouse, CNRS, Toulouse, France
| | - Audrey Hessel
- Institute of Pharmacology and Structural Biology (IPBS), University of Toulouse, CNRS, Toulouse, France
| | - Karin Santoni
- Institute of Pharmacology and Structural Biology (IPBS), University of Toulouse, CNRS, Toulouse, France
| | - David Péricat
- Institute of Pharmacology and Structural Biology (IPBS), University of Toulouse, CNRS, Toulouse, France
| | - Pierre-Jean Bordignon
- Institute of Pharmacology and Structural Biology (IPBS), University of Toulouse, CNRS, Toulouse, France
| | - Flavie Moreau
- Institute of Pharmacology and Structural Biology (IPBS), University of Toulouse, CNRS, Toulouse, France
- Level 3 Biosafety Animal Core facility, Anexplo platform, Institute of Pharmacology and Structural Biology (IPBS), University of Toulouse, CNRS, Toulouse, France
| | - Elif Eren
- Institute of Pharmacology and Structural Biology (IPBS), University of Toulouse, CNRS, Toulouse, France
| | - Aurélien Boyancé
- Institute of Pharmacology and Structural Biology (IPBS), University of Toulouse, CNRS, Toulouse, France
| | - Emmanuelle Naser
- Institute of Pharmacology and Structural Biology (IPBS), University of Toulouse, CNRS, Toulouse, France
- Cytometry & Imaging Core facility, Institute of Pharmacology and Structural Biology (IPBS), University of Toulouse, CNRS, Toulouse, France
| | - Lise Lefèvre
- RESTORE institute, University of Toulouse, CNRS, Toulouse, France
| | - Céline Berrone
- Institute of Pharmacology and Structural Biology (IPBS), University of Toulouse, CNRS, Toulouse, France
- Level 3 Biosafety Animal Core facility, Anexplo platform, Institute of Pharmacology and Structural Biology (IPBS), University of Toulouse, CNRS, Toulouse, France
| | - Nino Iakobachvili
- Division of Nanoscopy, Maastricht Multimodal Molecular Imaging Institute, Maastricht University, Maastricht, The Netherlands
| | - Arnaud Metais
- Institute of Pharmacology and Structural Biology (IPBS), University of Toulouse, CNRS, Toulouse, France
| | - Yoann Rombouts
- Institute of Pharmacology and Structural Biology (IPBS), University of Toulouse, CNRS, Toulouse, France
| | - Geanncarlo Lugo-Villarino
- Institute of Pharmacology and Structural Biology (IPBS), University of Toulouse, CNRS, Toulouse, France
| | - Agnès Coste
- RESTORE institute, University of Toulouse, CNRS, Toulouse, France
| | - Ina Attrée
- Univ. Grenoble Alpes, CNRS, CEA, IBS, Bacterial Pathogenesis and Cellular Responses, Grenoble, France
| | - Dara W. Frank
- Department of Microbiology and Immunology, Medical College of Wisconsin, Milwaukee, Wisconsin, United States of America
| | - Hans Clevers
- Oncode Institute, Hubrecht Institute, Royal Netherlands Academy of Arts and Sciences and University Medical Center, Utrecht, Netherlands
| | - Peter J. Peters
- Division of Nanoscopy, Maastricht Multimodal Molecular Imaging Institute, Maastricht University, Maastricht, The Netherlands
| | - Céline Cougoule
- Institute of Pharmacology and Structural Biology (IPBS), University of Toulouse, CNRS, Toulouse, France
| | - Rémi Planès
- Institute of Pharmacology and Structural Biology (IPBS), University of Toulouse, CNRS, Toulouse, France
| | - Etienne Meunier
- Institute of Pharmacology and Structural Biology (IPBS), University of Toulouse, CNRS, Toulouse, France
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20
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Caielli S, Cardenas J, de Jesus AA, Baisch J, Walters L, Blanck JP, Balasubramanian P, Stagnar C, Ohouo M, Hong S, Nassi L, Stewart K, Fuller J, Gu J, Banchereau JF, Wright T, Goldbach-Mansky R, Pascual V. Erythroid mitochondrial retention triggers myeloid-dependent type I interferon in human SLE. Cell 2021; 184:4464-4479.e19. [PMID: 34384544 PMCID: PMC8380737 DOI: 10.1016/j.cell.2021.07.021] [Citation(s) in RCA: 80] [Impact Index Per Article: 26.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/15/2020] [Revised: 04/05/2021] [Accepted: 07/19/2021] [Indexed: 02/08/2023]
Abstract
Emerging evidence supports that mitochondrial dysfunction contributes to systemic lupus erythematosus (SLE) pathogenesis. Here we show that programmed mitochondrial removal, a hallmark of mammalian erythropoiesis, is defective in SLE. Specifically, we demonstrate that during human erythroid cell maturation, a hypoxia-inducible factor (HIF)-mediated metabolic switch is responsible for the activation of the ubiquitin-proteasome system (UPS), which precedes and is necessary for the autophagic removal of mitochondria. A defect in this pathway leads to accumulation of red blood cells (RBCs) carrying mitochondria (Mito+ RBCs) in SLE patients and in correlation with disease activity. Antibody-mediated internalization of Mito+ RBCs induces type I interferon (IFN) production through activation of cGAS in macrophages. Accordingly, SLE patients carrying both Mito+ RBCs and opsonizing antibodies display the highest levels of blood IFN-stimulated gene (ISG) signatures, a distinctive feature of SLE.
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Affiliation(s)
- Simone Caielli
- Drukier Institute for Children's Health, Weill Cornell Medicine, New York, NY, USA; Department of Pediatrics, Weill Cornell Medicine, New York, NY, USA.
| | | | - Adriana Almeida de Jesus
- Translational Autoinflammatory Diseases Section, National Institute of Allergy and Infectious Diseases (NIAID), National Institutes of Health (NIH), Bethesda, MD, USA
| | - Jeanine Baisch
- Drukier Institute for Children's Health, Weill Cornell Medicine, New York, NY, USA; Department of Pediatrics, Weill Cornell Medicine, New York, NY, USA
| | | | | | - Preetha Balasubramanian
- Drukier Institute for Children's Health, Weill Cornell Medicine, New York, NY, USA; Department of Pediatrics, Weill Cornell Medicine, New York, NY, USA
| | - Cristy Stagnar
- Drukier Institute for Children's Health, Weill Cornell Medicine, New York, NY, USA; Department of Pediatrics, Weill Cornell Medicine, New York, NY, USA
| | - Marina Ohouo
- Drukier Institute for Children's Health, Weill Cornell Medicine, New York, NY, USA; Department of Pediatrics, Weill Cornell Medicine, New York, NY, USA
| | - Seunghee Hong
- Drukier Institute for Children's Health, Weill Cornell Medicine, New York, NY, USA; Department of Pediatrics, Weill Cornell Medicine, New York, NY, USA
| | - Lorien Nassi
- Texas Scottish Rite Hospital for Children, Dallas, TX, USA; Department of Pediatrics, University of Texas Southwestern Medical Center, Dallas, TX, USA
| | - Katie Stewart
- Texas Scottish Rite Hospital for Children, Dallas, TX, USA; Department of Pediatrics, University of Texas Southwestern Medical Center, Dallas, TX, USA
| | - Julie Fuller
- Texas Scottish Rite Hospital for Children, Dallas, TX, USA; Department of Pediatrics, University of Texas Southwestern Medical Center, Dallas, TX, USA
| | - Jinghua Gu
- Drukier Institute for Children's Health, Weill Cornell Medicine, New York, NY, USA; Department of Pediatrics, Weill Cornell Medicine, New York, NY, USA
| | | | - Tracey Wright
- Texas Scottish Rite Hospital for Children, Dallas, TX, USA; Department of Pediatrics, University of Texas Southwestern Medical Center, Dallas, TX, USA
| | - Raphaela Goldbach-Mansky
- Translational Autoinflammatory Diseases Section, National Institute of Allergy and Infectious Diseases (NIAID), National Institutes of Health (NIH), Bethesda, MD, USA
| | - Virginia Pascual
- Drukier Institute for Children's Health, Weill Cornell Medicine, New York, NY, USA; Department of Pediatrics, Weill Cornell Medicine, New York, NY, USA.
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21
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Transfection of Vitamin D3-Induced Tolerogenic Dendritic Cells for the Silencing of Potential Tolerogenic Genes. Identification of CSF1R-CSF1 Signaling as a Glycolytic Regulator. Int J Mol Sci 2021; 22:ijms22147363. [PMID: 34298983 PMCID: PMC8305050 DOI: 10.3390/ijms22147363] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/26/2021] [Revised: 07/03/2021] [Accepted: 07/06/2021] [Indexed: 10/31/2022] Open
Abstract
The use of autologous tolerogenic dendritic cells (tolDC) has become a promising strategy to re-establish immune tolerance in autoimmune diseases. Among the different strategies available, the use of vitamin D3 for the generation of tolDC (VitD3-tolDC) has been widely tested because of their immune regulatory properties. To identify molecules and pathways involved in the generation of VitD3-tolDC, we established an easy and fast gene silencing method based on the use of Viromer blue to introduce siRNA into monocytes on day 1 of culture differentiation. The analysis of the effect of CD209 (DC-SIGN) and CD115 (CSF1R) down-modulation on the phenotype and functionality of transfected VitD3-tolDC revealed a partial role of CD115 in their tolerogenicity. Further investigations showed that CSF1R-CSF1 signaling is involved in the induction of cell metabolic reprogramming, triggering glycolysis to produce high amounts of lactate, a novel suppressive mechanism of T cell proliferation, recently found in autologous tolerogenic dendritic cells (ATDCs).
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22
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Cahill TJ, Sun X, Ravaud C, Villa Del Campo C, Klaourakis K, Lupu IE, Lord AM, Browne C, Jacobsen SEW, Greaves DR, Jackson DG, Cowley SA, James W, Choudhury RP, Vieira JM, Riley PR. Tissue-resident macrophages regulate lymphatic vessel growth and patterning in the developing heart. Development 2021; 148:dev.194563. [PMID: 33462113 PMCID: PMC7875498 DOI: 10.1242/dev.194563] [Citation(s) in RCA: 46] [Impact Index Per Article: 15.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/30/2020] [Accepted: 12/26/2020] [Indexed: 12/31/2022]
Abstract
Macrophages are components of the innate immune system with key roles in tissue inflammation and repair. It is now evident that macrophages also support organogenesis, but few studies have characterized their identity, ontogeny and function during heart development. Here, we show that the distribution and prevalence of resident macrophages in the subepicardial compartment of the developing heart coincides with the emergence of new lymphatics, and that macrophages interact closely with the nascent lymphatic capillaries. Consequently, global macrophage deficiency led to extensive vessel disruption, with mutant hearts exhibiting shortened and mis-patterned lymphatics. The origin of cardiac macrophages was linked to the yolk sac and foetal liver. Moreover, the Cx3cr1+ myeloid lineage was found to play essential functions in the remodelling of the lymphatic endothelium. Mechanistically, macrophage hyaluronan was required for lymphatic sprouting by mediating direct macrophage-lymphatic endothelial cell interactions. Together, these findings reveal insight into the role of macrophages as indispensable mediators of lymphatic growth during the development of the mammalian cardiac vasculature. Highlighted Article: Tissue-resident macrophages are indispensable mediators of lymphatic vessel formation during heart development, and function to remodel the vascular plexus.
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Affiliation(s)
- Thomas J Cahill
- Burdon-Sanderson Cardiac Science Centre, Department of Physiology, Anatomy and Genetics, University of Oxford, Oxford OX1 3PT, UK.,British Heart Foundation - Oxbridge Centre of Regenerative Medicine, CRM, University of Oxford, Oxford OX1 3PT, UK
| | - Xin Sun
- Burdon-Sanderson Cardiac Science Centre, Department of Physiology, Anatomy and Genetics, University of Oxford, Oxford OX1 3PT, UK.,British Heart Foundation - Oxbridge Centre of Regenerative Medicine, CRM, University of Oxford, Oxford OX1 3PT, UK
| | - Christophe Ravaud
- Burdon-Sanderson Cardiac Science Centre, Department of Physiology, Anatomy and Genetics, University of Oxford, Oxford OX1 3PT, UK.,British Heart Foundation - Oxbridge Centre of Regenerative Medicine, CRM, University of Oxford, Oxford OX1 3PT, UK
| | - Cristina Villa Del Campo
- Burdon-Sanderson Cardiac Science Centre, Department of Physiology, Anatomy and Genetics, University of Oxford, Oxford OX1 3PT, UK.,British Heart Foundation - Oxbridge Centre of Regenerative Medicine, CRM, University of Oxford, Oxford OX1 3PT, UK
| | - Konstantinos Klaourakis
- Burdon-Sanderson Cardiac Science Centre, Department of Physiology, Anatomy and Genetics, University of Oxford, Oxford OX1 3PT, UK.,British Heart Foundation - Oxbridge Centre of Regenerative Medicine, CRM, University of Oxford, Oxford OX1 3PT, UK
| | - Irina-Elena Lupu
- Burdon-Sanderson Cardiac Science Centre, Department of Physiology, Anatomy and Genetics, University of Oxford, Oxford OX1 3PT, UK.,British Heart Foundation - Oxbridge Centre of Regenerative Medicine, CRM, University of Oxford, Oxford OX1 3PT, UK
| | - Allegra M Lord
- Department of Medicine Huddinge, Center for Hematology and Regenerative Medicine and Department of Cell and Molecular Biology, Karolinska Institutet, Stockholm SE-14186, Sweden
| | - Cathy Browne
- Sir William Dunn School of Pathology, University of Oxford, Oxford OX1 3RE, UK
| | - Sten Eirik W Jacobsen
- Department of Medicine Huddinge, Center for Hematology and Regenerative Medicine and Department of Cell and Molecular Biology, Karolinska Institutet, Stockholm SE-14186, Sweden
| | - David R Greaves
- Sir William Dunn School of Pathology, University of Oxford, Oxford OX1 3RE, UK
| | - David G Jackson
- MRC Human Immunology Unit, Weatherall Institute of Molecular Medicine, John Radcliffe Hospital, University of Oxford, Oxford OX3 9DS, UK
| | - Sally A Cowley
- Sir William Dunn School of Pathology, University of Oxford, Oxford OX1 3RE, UK
| | - William James
- Sir William Dunn School of Pathology, University of Oxford, Oxford OX1 3RE, UK
| | - Robin P Choudhury
- Division of Cardiovascular Medicine, Radcliffe Department of Medicine, University of Oxford, Oxford OX3 9DU, UK
| | - Joaquim Miguel Vieira
- Burdon-Sanderson Cardiac Science Centre, Department of Physiology, Anatomy and Genetics, University of Oxford, Oxford OX1 3PT, UK .,British Heart Foundation - Oxbridge Centre of Regenerative Medicine, CRM, University of Oxford, Oxford OX1 3PT, UK
| | - Paul R Riley
- Burdon-Sanderson Cardiac Science Centre, Department of Physiology, Anatomy and Genetics, University of Oxford, Oxford OX1 3PT, UK .,British Heart Foundation - Oxbridge Centre of Regenerative Medicine, CRM, University of Oxford, Oxford OX1 3PT, UK
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23
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Benet S, Gálvez C, Drobniewski F, Kontsevaya I, Arias L, Monguió-Tortajada M, Erkizia I, Urrea V, Ong RY, Luquin M, Dupont M, Chojnacki J, Dalmau J, Cardona P, Neyrolles O, Lugo-Villarino G, Vérollet C, Julián E, Furrer H, Günthard HF, Crocker PR, Tapia G, Borràs FE, Fellay J, McLaren PJ, Telenti A, Cardona PJ, Clotet B, Vilaplana C, Martinez-Picado J, Izquierdo-Useros N. Dissemination of Mycobacterium tuberculosis is associated to a SIGLEC1 null variant that limits antigen exchange via trafficking extracellular vesicles. J Extracell Vesicles 2021; 10:e12046. [PMID: 33489013 PMCID: PMC7807485 DOI: 10.1002/jev2.12046] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/17/2020] [Revised: 10/28/2020] [Accepted: 12/01/2020] [Indexed: 12/14/2022] Open
Abstract
The identification of individuals with null alleles enables studying how the loss of gene function affects infection. We previously described a non-functional variant in SIGLEC1, which encodes the myeloid-cell receptor Siglec-1/CD169 implicated in HIV-1 cell-to-cell transmission. Here we report a significant association between the SIGLEC1 null variant and extrapulmonary dissemination of Mycobacterium tuberculosis (Mtb) in two clinical cohorts comprising 6,256 individuals. Local spread of bacteria within the lung is apparent in Mtb-infected Siglec-1 knockout mice which, despite having similar bacterial load, developed more extensive lesions compared to wild type mice. We find that Siglec-1 is necessary to induce antigen presentation through extracellular vesicle uptake. We postulate that lack of Siglec-1 delays the onset of protective immunity against Mtb by limiting antigen exchange via extracellular vesicles, allowing for an early local spread of mycobacteria that increases the risk for extrapulmonary dissemination.
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Affiliation(s)
- Susana Benet
- Department of Retrovirology IrsiCaixa AIDS Research Institute Badalona Spain.,Department of Retrovirology Universitat Autònoma de Barcelona Cerdanyola del Vallès Spain
| | - Cristina Gálvez
- Department of Retrovirology IrsiCaixa AIDS Research Institute Badalona Spain.,Department of Retrovirology Universitat Autònoma de Barcelona Cerdanyola del Vallès Spain
| | | | - Irina Kontsevaya
- Department of Retrovirology Imperial College London UK.,Department of Retrovirology Research Center Borstel, Borstel Germany.,Department of Retrovirology N.V. Postnikov Samara Region Clinical Tuberculosis Dispensary Samara Russia
| | - Lilibeth Arias
- Experimental Tuberculosis Unit (UTE) Germans Trias i Pujol Health Science Research Institute Can Ruti Campus Badalona Spain.,Departament de Genètica i de Microbiologia Facultat de Biociències Universitat Autònoma de Barcelona Cerdanyola del Vallès Spain.,Centro de Investigación Biomédica en Red de Enfermedades Respiratorias (CIBERES) Madrid Spain
| | - Marta Monguió-Tortajada
- REMAR-IVECAT Group Germans Trias i Pujol Health Science Research Institute Can Ruti Campus Badalona Spain.,ICREC Research Program Germans Trias i Pujol Health Science Research Institute Can Ruti Campus Badalona Spain.,Department of Cell Biology Physiology and Immunology Universitat Autònoma de Barcelona Cerdanyola del Vallès Spain
| | - Itziar Erkizia
- Department of Retrovirology IrsiCaixa AIDS Research Institute Badalona Spain
| | - Victor Urrea
- Department of Retrovirology IrsiCaixa AIDS Research Institute Badalona Spain
| | - Ruo-Yan Ong
- Division of Cell Signalling and Immunology University of Dundee Dundee UK
| | - Marina Luquin
- Departament de Genètica i de Microbiologia Facultat de Biociències Universitat Autònoma de Barcelona Cerdanyola del Vallès Spain
| | - Maeva Dupont
- Institut de Pharmacologie et Biologie Structurale IPBS CNRS UPS Université de Toulouse Toulouse France.,International associated laboratory (LIA) CNRS "IM-TB/HIV" (1167) France and Buenos Aires Toulouse Argentina
| | - Jakub Chojnacki
- Department of Retrovirology IrsiCaixa AIDS Research Institute Badalona Spain
| | - Judith Dalmau
- Department of Retrovirology IrsiCaixa AIDS Research Institute Badalona Spain
| | - Paula Cardona
- Experimental Tuberculosis Unit (UTE) Germans Trias i Pujol Health Science Research Institute Can Ruti Campus Badalona Spain.,Departament de Genètica i de Microbiologia Facultat de Biociències Universitat Autònoma de Barcelona Cerdanyola del Vallès Spain.,Centro de Investigación Biomédica en Red de Enfermedades Respiratorias (CIBERES) Madrid Spain
| | - Olivier Neyrolles
- Institut de Pharmacologie et Biologie Structurale IPBS CNRS UPS Université de Toulouse Toulouse France.,International associated laboratory (LIA) CNRS "IM-TB/HIV" (1167) France and Buenos Aires Toulouse Argentina
| | - Geanncarlo Lugo-Villarino
- Institut de Pharmacologie et Biologie Structurale IPBS CNRS UPS Université de Toulouse Toulouse France.,International associated laboratory (LIA) CNRS "IM-TB/HIV" (1167) France and Buenos Aires Toulouse Argentina
| | - Christel Vérollet
- Institut de Pharmacologie et Biologie Structurale IPBS CNRS UPS Université de Toulouse Toulouse France.,International associated laboratory (LIA) CNRS "IM-TB/HIV" (1167) France and Buenos Aires Toulouse Argentina
| | - Esther Julián
- Departament de Genètica i de Microbiologia Facultat de Biociències Universitat Autònoma de Barcelona Cerdanyola del Vallès Spain
| | - Hansjakob Furrer
- Department of Infectious Diseases Bern University Hospital University of Bern Bern Switzerland
| | - Huldrych F Günthard
- Division of Infectious Diseases and Hospital Epidemiology University Hospital Zurich Zurich Switzerland.,Institute of Medical Virology University of Zurich Zurich Switzerland
| | - Paul R Crocker
- Division of Cell Signalling and Immunology University of Dundee Dundee UK
| | - Gustavo Tapia
- Department of Retrovirology Universitat Autònoma de Barcelona Cerdanyola del Vallès Spain.,Pathology Department Hospital Universitario Germans Trias i Pujol Badalona Spain.,Germans Trias i Pujol Research Institute (IGTP) Can Ruti Campus Badalona Spain
| | - Francesc E Borràs
- REMAR-IVECAT Group Germans Trias i Pujol Health Science Research Institute Can Ruti Campus Badalona Spain.,Nephrology Department Germans Trias i Pujol University Hospital Badalona Spain
| | - Jacques Fellay
- School of Life Sciences École Polytechnique Fédérale de Lausanne Lausanne Switzerland.,Swiss Institute of Bioinformatics Lausanne Switzerland.,Precision Medicine Unit Lausanne University Hospital and University of Lausanne Lausanne Switzerland
| | - Paul J McLaren
- JC Wilt Infectious Diseases Research Centre Public Health Agency of Canada Winnipeg Manitoba Canada.,Department of Medical Microbiology and Infectious Diseases University of Manitoba Winnipeg Manitoba Canada
| | | | - Pere-Joan Cardona
- Experimental Tuberculosis Unit (UTE) Germans Trias i Pujol Health Science Research Institute Can Ruti Campus Badalona Spain.,Departament de Genètica i de Microbiologia Facultat de Biociències Universitat Autònoma de Barcelona Cerdanyola del Vallès Spain.,Centro de Investigación Biomédica en Red de Enfermedades Respiratorias (CIBERES) Madrid Spain
| | - Bonaventura Clotet
- Department of Retrovirology IrsiCaixa AIDS Research Institute Badalona Spain.,Germans Trias i Pujol Research Institute (IGTP) Can Ruti Campus Badalona Spain.,AIDS and Related Illnesses Centre for Health and Social Care Research (CESS) Faculty of Medicine University of Vic - Central University of Catalonia (UVic - UCC) Vic Spain
| | - Cristina Vilaplana
- Experimental Tuberculosis Unit (UTE) Germans Trias i Pujol Health Science Research Institute Can Ruti Campus Badalona Spain.,Departament de Genètica i de Microbiologia Facultat de Biociències Universitat Autònoma de Barcelona Cerdanyola del Vallès Spain.,Centro de Investigación Biomédica en Red de Enfermedades Respiratorias (CIBERES) Madrid Spain
| | - Javier Martinez-Picado
- Department of Retrovirology IrsiCaixa AIDS Research Institute Badalona Spain.,Germans Trias i Pujol Research Institute (IGTP) Can Ruti Campus Badalona Spain.,AIDS and Related Illnesses Centre for Health and Social Care Research (CESS) Faculty of Medicine University of Vic - Central University of Catalonia (UVic - UCC) Vic Spain.,Catalan Institution for Research and Advanced Studies (ICREA) Barcelona Spain
| | - Nuria Izquierdo-Useros
- Department of Retrovirology IrsiCaixa AIDS Research Institute Badalona Spain.,Germans Trias i Pujol Research Institute (IGTP) Can Ruti Campus Badalona Spain
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24
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Guérit D, Marie P, Morel A, Maurin J, Verollet C, Raynaud-Messina B, Urbach S, Blangy A. Primary myeloid cell proteomics and transcriptomics: importance of β-tubulin isotypes for osteoclast function. J Cell Sci 2020; 133:jcs239772. [PMID: 32265273 DOI: 10.1242/jcs.239772] [Citation(s) in RCA: 9] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/01/2019] [Accepted: 03/19/2020] [Indexed: 08/31/2023] Open
Abstract
Among hematopoietic cells, osteoclasts (OCs) and immature dendritic cells (DCs) are closely related myeloid cells with distinct functions: OCs participate skeleton maintenance while DCs sample the environment for foreign antigens. Such specificities rely on profound modifications of gene and protein expression during OC and DC differentiation. We provide global proteomic and transcriptomic analyses of primary mouse OCs and DCs, based on original stable isotope labeling with amino acids in cell culture (SILAC) and RNAseq data. We established specific signatures for OCs and DCs, including genes and proteins of unknown functions. In particular, we showed that OCs and DCs have the same α- and β-tubulin isotype repertoire but that OCs express much more of the β tubulin isotype Tubb6 (also known as TBB6). In both mouse and human OCs, we demonstrate that elevated expression of Tubb6 in OCs is necessary for correct podosomes organization and thus for the structure of the sealing zone, which sustains the bone resorption apparatus. Hence, lowering Tubb6 expression hinders OC resorption activity. Overall, we highlight here potential new regulators of OC and DC biology, and illustrate the functional importance of the tubulin isotype repertoire in the biology of differentiated cells.
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Affiliation(s)
- David Guérit
- Centre de Recherche de Biologie Cellulaire de Montpellier (CRBM), Montpellier Univ., CNRS, 34000 Montpellier, France
| | - Pauline Marie
- Centre de Recherche de Biologie Cellulaire de Montpellier (CRBM), Montpellier Univ., CNRS, 34000 Montpellier, France
| | - Anne Morel
- Centre de Recherche de Biologie Cellulaire de Montpellier (CRBM), Montpellier Univ., CNRS, 34000 Montpellier, France
| | - Justine Maurin
- Centre de Recherche de Biologie Cellulaire de Montpellier (CRBM), Montpellier Univ., CNRS, 34000 Montpellier, France
| | - Christel Verollet
- Institut de Pharmacologie et Biologie Structurale, IPBS, Université de Toulouse, CNRS, UPS, 31077 Toulouse Cedex 04, France
- International associated laboratory (LIA) CNRS 'IM-TB/HIV' (1167), 31077 Toulouse Cedex 04, France
- International associated laboratory (LIA) CNRS 'IM-TB/HIV' (1167), Buenos Aires C1425AUM, Argentina
| | - Brigitte Raynaud-Messina
- Institut de Pharmacologie et Biologie Structurale, IPBS, Université de Toulouse, CNRS, UPS, 31077 Toulouse Cedex 04, France
- International associated laboratory (LIA) CNRS 'IM-TB/HIV' (1167), 31077 Toulouse Cedex 04, France
- International associated laboratory (LIA) CNRS 'IM-TB/HIV' (1167), Buenos Aires C1425AUM, Argentina
| | - Serge Urbach
- Functional Proteomics Facility, Institute of Functional Genomics, Montpellier Univ., CNRS, 141 rue de la Cardonille, 34000 Montpellier, France
| | - Anne Blangy
- Centre de Recherche de Biologie Cellulaire de Montpellier (CRBM), Montpellier Univ., CNRS, 34000 Montpellier, France
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25
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Multi-Stress Induction of the Mycobacterium tuberculosis MbcTA Bactericidal Toxin-Antitoxin System. Toxins (Basel) 2020; 12:toxins12050329. [PMID: 32429486 PMCID: PMC7291234 DOI: 10.3390/toxins12050329] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/29/2020] [Revised: 05/13/2020] [Accepted: 05/14/2020] [Indexed: 11/16/2022] Open
Abstract
MbcTA is a type II toxin/antitoxin (TA) system of Mycobacterium tuberculosis. The MbcT toxin triggers mycobacterial cell death in vitro and in vivo through the phosphorolysis of the essential metabolite NAD+ and its bactericidal activity is neutralized by physical interaction with its cognate antitoxin MbcA. Therefore, the MbcTA system appears as a promising target for the development of novel therapies against tuberculosis, through the identification of compounds able to antagonize or destabilize the MbcA antitoxin. Here, the expression of the mbcAT operon and its regulation were investigated. A dual fluorescent reporter system was developed, based on an integrative mycobacterial plasmid that encodes a constitutively expressed reporter, serving as an internal standard for monitoring mycobacterial gene expression, and an additional reporter, dependent on the promoter under investigation. This system was used both in M. tuberculosis and in the fast growing model species Mycobacterium smegmatis to: (i) assess the autoregulation of mbcAT; (ii) perform a genetic dissection of the mbcA promoter/operator region; and (iii) explore the regulation of mbcAT transcription from the mbcA promoter (PmbcA) in a variety of stress conditions, including in vivo in mice and in macrophages.
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26
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Heinz LX, Lee J, Kapoor U, Kartnig F, Sedlyarov V, Papakostas K, César-Razquin A, Essletzbichler P, Goldmann U, Stefanovic A, Bigenzahn JW, Scorzoni S, Pizzagalli MD, Bensimon A, Müller AC, King FJ, Li J, Girardi E, Mbow ML, Whitehurst CE, Rebsamen M, Superti-Furga G. TASL is the SLC15A4-associated adaptor for IRF5 activation by TLR7-9. Nature 2020; 581:316-322. [PMID: 32433612 PMCID: PMC7610944 DOI: 10.1038/s41586-020-2282-0] [Citation(s) in RCA: 108] [Impact Index Per Article: 27.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/03/2019] [Accepted: 04/07/2020] [Indexed: 12/20/2022]
Abstract
Toll-like receptors (TLRs) have a crucial role in the recognition of pathogens and initiation of immune responses1–3. Here we show that a previously uncharacterized protein encoded by CXorf21—a gene that is associated with systemic lupus erythematosus4,5—interacts with the endolysosomal transporter SLC15A4, an essential but poorly understood component of the endolysosomal TLR machinery also linked to autoimmune disease4,6–9. Loss of this type-I-interferon-inducible protein, which we refer to as ‘TLR adaptor interacting with SLC15A4 on the lysosome’ (TASL), abrogated responses to endolysosomal TLR agonists in both primary and transformed human immune cells. Deletion of SLC15A4 or TASL specifically impaired the activation of the IRF pathway without affecting NF-κB and MAPK signalling, which indicates that ligand recognition and TLR engagement in the endolysosome occurred normally. Extensive mutagenesis of TASL demonstrated that its localization and function relies on the interaction with SLC15A4. TASL contains a conserved pLxIS motif (in which p denotes a hydrophilic residue and x denotes any residue) that mediates the recruitment and activation of IRF5. This finding shows that TASL is an innate immune adaptor for TLR7, TLR8 and TLR9 signalling, revealing a clear mechanistic analogy with the IRF3 adaptors STING, MAVS and TRIF10,11. The identification of TASL as the component that links endolysosomal TLRs to the IRF5 transcription factor via SLC15A4 provides a mechanistic explanation for the involvement of these proteins in systemic lupus erythematosus12–14.
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Affiliation(s)
- Leonhard X Heinz
- CeMM Research Center for Molecular Medicine of the Austrian Academy of Sciences, Vienna, Austria
| | - JangEun Lee
- Boehringer Ingelheim Pharmaceuticals, Ridgefield, CT, USA
| | - Utkarsh Kapoor
- CeMM Research Center for Molecular Medicine of the Austrian Academy of Sciences, Vienna, Austria
| | - Felix Kartnig
- CeMM Research Center for Molecular Medicine of the Austrian Academy of Sciences, Vienna, Austria
| | - Vitaly Sedlyarov
- CeMM Research Center for Molecular Medicine of the Austrian Academy of Sciences, Vienna, Austria
| | - Konstantinos Papakostas
- CeMM Research Center for Molecular Medicine of the Austrian Academy of Sciences, Vienna, Austria
| | - Adrian César-Razquin
- CeMM Research Center for Molecular Medicine of the Austrian Academy of Sciences, Vienna, Austria
| | - Patrick Essletzbichler
- CeMM Research Center for Molecular Medicine of the Austrian Academy of Sciences, Vienna, Austria
| | - Ulrich Goldmann
- CeMM Research Center for Molecular Medicine of the Austrian Academy of Sciences, Vienna, Austria
| | - Adrijana Stefanovic
- CeMM Research Center for Molecular Medicine of the Austrian Academy of Sciences, Vienna, Austria
| | - Johannes W Bigenzahn
- CeMM Research Center for Molecular Medicine of the Austrian Academy of Sciences, Vienna, Austria
| | - Stefania Scorzoni
- CeMM Research Center for Molecular Medicine of the Austrian Academy of Sciences, Vienna, Austria
| | - Mattia D Pizzagalli
- CeMM Research Center for Molecular Medicine of the Austrian Academy of Sciences, Vienna, Austria
| | - Ariel Bensimon
- CeMM Research Center for Molecular Medicine of the Austrian Academy of Sciences, Vienna, Austria
| | - André C Müller
- CeMM Research Center for Molecular Medicine of the Austrian Academy of Sciences, Vienna, Austria
| | - F James King
- Boehringer Ingelheim Pharmaceuticals, Ridgefield, CT, USA
| | - Jun Li
- Boehringer Ingelheim Pharmaceuticals, Ridgefield, CT, USA
| | - Enrico Girardi
- CeMM Research Center for Molecular Medicine of the Austrian Academy of Sciences, Vienna, Austria
| | - M Lamine Mbow
- Boehringer Ingelheim Pharmaceuticals, Ridgefield, CT, USA
| | | | - Manuele Rebsamen
- CeMM Research Center for Molecular Medicine of the Austrian Academy of Sciences, Vienna, Austria.
| | - Giulio Superti-Furga
- CeMM Research Center for Molecular Medicine of the Austrian Academy of Sciences, Vienna, Austria. .,Center for Physiology and Pharmacology, Medical University of Vienna, Vienna, Austria.
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27
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Giraud-Gatineau A, Coya JM, Maure A, Biton A, Thomson M, Bernard EM, Marrec J, Gutierrez MG, Larrouy-Maumus G, Brosch R, Gicquel B, Tailleux L. The antibiotic bedaquiline activates host macrophage innate immune resistance to bacterial infection. eLife 2020; 9:e55692. [PMID: 32369020 PMCID: PMC7200153 DOI: 10.7554/elife.55692] [Citation(s) in RCA: 55] [Impact Index Per Article: 13.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/03/2020] [Accepted: 04/04/2020] [Indexed: 12/12/2022] Open
Abstract
Antibiotics are widely used in the treatment of bacterial infections. Although known for their microbicidal activity, antibiotics may also interfere with the host's immune system. Here, we analyzed the effects of bedaquiline (BDQ), an inhibitor of the mycobacterial ATP synthase, on human macrophages. Genome-wide gene expression analysis revealed that BDQ reprogramed cells into potent bactericidal phagocytes. We found that 579 and 1,495 genes were respectively differentially expressed in naive- and M. tuberculosis-infected macrophages incubated with the drug, with an over-representation of lysosome-associated genes. BDQ treatment triggered a variety of antimicrobial defense mechanisms, including phagosome-lysosome fusion, and autophagy. These effects were associated with activation of transcription factor EB, involved in the transcription of lysosomal genes, resulting in enhanced intracellular killing of different bacterial species that were naturally insensitive to BDQ. Thus, BDQ could be used as a host-directed therapy against a wide range of bacterial infections.
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Affiliation(s)
- Alexandre Giraud-Gatineau
- Unit for Integrated Mycobacterial Pathogenomics, CNRS UMR 3525, Institut PasteurParisFrance
- Université Paris Diderot, Sorbonne Paris Cité, Cellule PasteurParisFrance
| | | | - Alexandra Maure
- Unit for Integrated Mycobacterial Pathogenomics, CNRS UMR 3525, Institut PasteurParisFrance
- Université Paris Diderot, Sorbonne Paris Cité, Cellule PasteurParisFrance
| | - Anne Biton
- Bioinformatics and Biostatistics, Department of Computational Biology, USR 3756 CNRS, Institut PasteurParisFrance
| | - Michael Thomson
- MRC Centre for Molecular Bacteriology and Infection, Department of Life Sciences, Faculty of Natural Sciences, Imperial College LondonLondonUnited Kingdom
| | - Elliott M Bernard
- Host-Pathogen Interactions in Tuberculosis Laboratory, The Francis Crick InstituteLondonUnited Kingdom
| | - Jade Marrec
- Mycobacterial Genetics Unit, Institut PasteurParisFrance
| | - Maximiliano G Gutierrez
- Host-Pathogen Interactions in Tuberculosis Laboratory, The Francis Crick InstituteLondonUnited Kingdom
| | - Gérald Larrouy-Maumus
- MRC Centre for Molecular Bacteriology and Infection, Department of Life Sciences, Faculty of Natural Sciences, Imperial College LondonLondonUnited Kingdom
| | - Roland Brosch
- Unit for Integrated Mycobacterial Pathogenomics, CNRS UMR 3525, Institut PasteurParisFrance
| | - Brigitte Gicquel
- Mycobacterial Genetics Unit, Institut PasteurParisFrance
- Department of Tuberculosis Control and Prevention, Shenzhen Nanshan Center for Chronic Disease ControlShenzhenChina
| | - Ludovic Tailleux
- Unit for Integrated Mycobacterial Pathogenomics, CNRS UMR 3525, Institut PasteurParisFrance
- Mycobacterial Genetics Unit, Institut PasteurParisFrance
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28
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Nadanaka S, Hashiguchi T, Kitagawa H. Aberrant glycosaminoglycan biosynthesis by tumor suppressor EXTL2 deficiency promotes liver inflammation and tumorigenesis through Toll-like 4 receptor signaling. FASEB J 2020; 34:8385-8401. [PMID: 32347583 DOI: 10.1096/fj.201902076r] [Citation(s) in RCA: 9] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/13/2019] [Revised: 03/30/2020] [Accepted: 04/11/2020] [Indexed: 02/07/2023]
Abstract
Certain proteoglycans, consisting of a core protein and glycosaminoglycan (GAG) chains, are among the many types of biomolecules that can function as damage-associated molecular pattern molecules (DAMPs). We, therefore, hypothesized that the expression level and structural alteration of GAGs affect inflammation. We have previously reported that the effects on GAG biosynthesis caused by loss of the tumor suppressor gene exostosin-like 2 (Extl2) influence liver injury and regeneration processes. To examine how altered GAG biosynthesis may underscore the relationship between inflammation and tumorigenesis, we assessed its role in non-alcoholic steatohepatitis and hepatocarcinoma (HCC) induced by dietary obesity and insulin-resistance. We demonstrated that GAGs produced in the absence of EXTL2 act as DAMPs and directly input signals into cells via the Toll-like 4 receptor. In addition, the subsequent transcriptional activation of inflammatory and tumor-promoting cytokines by NF-κB contributes to injury- and inflammation-driven tumor promotion. Thus, dysregulated biosynthesis of GAGs is considered to increase the risk of HCC in a background of obesity and diabetes.
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Affiliation(s)
- Satomi Nadanaka
- Laboratory of Biochemistry, Kobe Pharmaceutical University, Kobe, Japan
| | | | - Hiroshi Kitagawa
- Laboratory of Biochemistry, Kobe Pharmaceutical University, Kobe, Japan
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29
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Dupont M, Souriant S, Balboa L, Vu Manh TP, Pingris K, Rousset S, Cougoule C, Rombouts Y, Poincloux R, Ben Neji M, Allers C, Kaushal D, Kuroda MJ, Benet S, Martinez-Picado J, Izquierdo-Useros N, Sasiain MDC, Maridonneau-Parini I, Neyrolles O, Vérollet C, Lugo-Villarino G. Tuberculosis-associated IFN-I induces Siglec-1 on tunneling nanotubes and favors HIV-1 spread in macrophages. eLife 2020; 9:52535. [PMID: 32223897 PMCID: PMC7173963 DOI: 10.7554/elife.52535] [Citation(s) in RCA: 20] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/07/2019] [Accepted: 03/30/2020] [Indexed: 12/20/2022] Open
Abstract
While tuberculosis (TB) is a risk factor in HIV-1-infected individuals, the mechanisms by which Mycobacterium tuberculosis (Mtb) worsens HIV-1 pathogenesis remain scarce. We showed that HIV-1 infection is exacerbated in macrophages exposed to TB-associated microenvironments due to tunneling nanotube (TNT) formation. To identify molecular factors associated with TNT function, we performed a transcriptomic analysis in these macrophages, and revealed the up-regulation of Siglec-1 receptor. Siglec-1 expression depends on Mtb-induced production of type I interferon (IFN-I). In co-infected non-human primates, Siglec-1 is highly expressed by alveolar macrophages, whose abundance correlates with pathology and activation of IFN-I/STAT1 pathway. Siglec-1 localizes mainly on microtubule-containing TNT that are long and carry HIV-1 cargo. Siglec-1 depletion decreases TNT length, diminishes HIV-1 capture and cell-to-cell transfer, and abrogates the exacerbation of HIV-1 infection induced by Mtb. Altogether, we uncover a deleterious role for Siglec-1 in TB-HIV-1 co-infection and open new avenues to understand TNT biology.
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Affiliation(s)
- Maeva Dupont
- Institut de Pharmacologie et Biologie Structurale, IPBS, Université de Toulouse, CNRS, UPS, Toulouse, France.,International associated laboratory (LIA) CNRS 'IM-TB/HIV', Toulouse, France
| | - Shanti Souriant
- Institut de Pharmacologie et Biologie Structurale, IPBS, Université de Toulouse, CNRS, UPS, Toulouse, France.,International associated laboratory (LIA) CNRS 'IM-TB/HIV', Toulouse, France
| | - Luciana Balboa
- International associated laboratory (LIA) CNRS 'IM-TB/HIV', Toulouse, France.,Institute of Experimental Medicine-CONICET, National Academy of Medicine, Buenos Aires, Argentina
| | | | - Karine Pingris
- Institut de Pharmacologie et Biologie Structurale, IPBS, Université de Toulouse, CNRS, UPS, Toulouse, France
| | - Stella Rousset
- Institut de Pharmacologie et Biologie Structurale, IPBS, Université de Toulouse, CNRS, UPS, Toulouse, France
| | - Céline Cougoule
- Institut de Pharmacologie et Biologie Structurale, IPBS, Université de Toulouse, CNRS, UPS, Toulouse, France.,International associated laboratory (LIA) CNRS 'IM-TB/HIV', Toulouse, France
| | - Yoann Rombouts
- Institut de Pharmacologie et Biologie Structurale, IPBS, Université de Toulouse, CNRS, UPS, Toulouse, France
| | - Renaud Poincloux
- Institut de Pharmacologie et Biologie Structurale, IPBS, Université de Toulouse, CNRS, UPS, Toulouse, France
| | - Myriam Ben Neji
- Institut de Pharmacologie et Biologie Structurale, IPBS, Université de Toulouse, CNRS, UPS, Toulouse, France
| | - Carolina Allers
- Tulane National Primate Research Center, Department of Microbiology and Immunology, School of Medicine, Tulane University, Covington, United States
| | - Deepak Kaushal
- Tulane National Primate Research Center, Department of Microbiology and Immunology, School of Medicine, Tulane University, Covington, United States
| | - Marcelo J Kuroda
- Tulane National Primate Research Center, Department of Microbiology and Immunology, School of Medicine, Tulane University, Covington, United States
| | - Susana Benet
- IrsiCaixa AIDS Research Institute, Department of Retrovirology, Badalona, Spain.,Universitat Autònoma de Barcelona, Barcelona, Spain
| | - Javier Martinez-Picado
- IrsiCaixa AIDS Research Institute, Department of Retrovirology, Badalona, Spain.,University of Vic-Central University of Catalonia (UVic-UCC), Vic, Spain.,Catalan Institution for Research and Advanced Studies (ICREA), Barcelona, Spain
| | - Nuria Izquierdo-Useros
- IrsiCaixa AIDS Research Institute, Department of Retrovirology, Badalona, Spain.,Institut d'Investigació en Ciències de la Salut Germans Trias i Pujol, Badalona, Spain
| | - Maria Del Carmen Sasiain
- International associated laboratory (LIA) CNRS 'IM-TB/HIV', Toulouse, France.,Institute of Experimental Medicine-CONICET, National Academy of Medicine, Buenos Aires, Argentina
| | - Isabelle Maridonneau-Parini
- Institut de Pharmacologie et Biologie Structurale, IPBS, Université de Toulouse, CNRS, UPS, Toulouse, France.,International associated laboratory (LIA) CNRS 'IM-TB/HIV', Toulouse, France
| | - Olivier Neyrolles
- Institut de Pharmacologie et Biologie Structurale, IPBS, Université de Toulouse, CNRS, UPS, Toulouse, France.,International associated laboratory (LIA) CNRS 'IM-TB/HIV', Toulouse, France
| | - Christel Vérollet
- Institut de Pharmacologie et Biologie Structurale, IPBS, Université de Toulouse, CNRS, UPS, Toulouse, France.,International associated laboratory (LIA) CNRS 'IM-TB/HIV', Toulouse, France
| | - Geanncarlo Lugo-Villarino
- Institut de Pharmacologie et Biologie Structurale, IPBS, Université de Toulouse, CNRS, UPS, Toulouse, France.,International associated laboratory (LIA) CNRS 'IM-TB/HIV', Toulouse, France
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30
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Moradian H, Roch T, Lendlein A, Gossen M. mRNA Transfection-Induced Activation of Primary Human Monocytes and Macrophages: Dependence on Carrier System and Nucleotide Modification. Sci Rep 2020; 10:4181. [PMID: 32144280 PMCID: PMC7060354 DOI: 10.1038/s41598-020-60506-4] [Citation(s) in RCA: 25] [Impact Index Per Article: 6.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/13/2019] [Accepted: 02/04/2020] [Indexed: 12/30/2022] Open
Abstract
Monocytes and macrophages are key players in maintaining immune homeostasis. Identifying strategies to manipulate their functions via gene delivery is thus of great interest for immunological research and biomedical applications. We set out to establish conditions for mRNA transfection in hard-to-transfect primary human monocytes and monocyte-derived macrophages due to the great potential of gene expression from in vitro transcribed mRNA for modulating cell phenotypes. mRNA doses, nucleotide modifications, and different carriers were systematically explored in order to optimize high mRNA transfer rates while minimizing cell stress and immune activation. We selected three commercially available mRNA transfection reagents including liposome and polymer-based formulations, covering different application spectra. Our results demonstrate that liposomal reagents can particularly combine high gene transfer rates with only moderate immune cell activation. For the latter, use of specific nucleotide modifications proved essential. In addition to improving efficacy of gene transfer, our findings address discrete aspects of innate immune activation using cytokine and surface marker expression, as well as cell viability as key readouts to judge overall transfection efficiency. The impact of this study goes beyond optimizing transfection conditions for immune cells, by providing a framework for assessing new gene carrier systems for monocyte and macrophage, tailored to specific applications.
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Affiliation(s)
- Hanieh Moradian
- Institute of Biomaterial Science, Helmholtz-Zentrum Geesthacht, 14513, Teltow, Germany
- Berlin-Brandenburg Center for Regenerative Therapies (BCRT), 13353, Berlin, Germany
- Institute of Biochemistry and Biology, University of Potsdam, 14476, Potsdam, Germany
| | - Toralf Roch
- Institute of Biomaterial Science, Helmholtz-Zentrum Geesthacht, 14513, Teltow, Germany
- Charité - Universitätsmedizin Berlin, corporate member of Freie Universität Berlin, Humboldt-Universität zu Berlin, and Berlin Institute of Health, Berlin-Brandenburg Center for Regenerative Therapies, Berlin, Germany
- Center for Translational Medicine, Medical Department I, Marien Hospital Herne, University Hospital of the Ruhr-University Bochum, Herne, Germany
| | - Andreas Lendlein
- Institute of Biomaterial Science, Helmholtz-Zentrum Geesthacht, 14513, Teltow, Germany
- Berlin-Brandenburg Center for Regenerative Therapies (BCRT), 13353, Berlin, Germany
- Institute of Biochemistry and Biology, University of Potsdam, 14476, Potsdam, Germany
| | - Manfred Gossen
- Institute of Biomaterial Science, Helmholtz-Zentrum Geesthacht, 14513, Teltow, Germany.
- Berlin-Brandenburg Center for Regenerative Therapies (BCRT), 13353, Berlin, Germany.
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31
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van Essen MF, Schlagwein N, van Gijlswijk-Janssen DJ, Anholts JDH, Eikmans M, Ruben JM, van Kooten C. Culture medium used during small interfering RNA (siRNA) transfection determines the maturation status of dendritic cells. J Immunol Methods 2020; 479:112748. [PMID: 31958452 DOI: 10.1016/j.jim.2020.112748] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/15/2019] [Revised: 11/14/2019] [Accepted: 01/14/2020] [Indexed: 12/20/2022]
Abstract
Gene silencing using small interfering ribonucleic acids (siRNA) is a powerful method to interfere with gene expression, allowing for the functional exploration of specific genes. siRNA interference can be applied in both cell lines, as well as in primary, non-dividing cell types like dendritic cells. However, the efficacy in different cell types is variable and requires optimization. Here, we showed that the type of culture medium used during lipid-based siRNA-mediated transfection acts as a critical factor, affecting dendritic cell activation. Transfection of immature monocyte-derived dendritic cells in RPMI medium, but not in IMDM, showed increased transcript levels of pro-inflammatory cytokines. Moreover, the expression of co-stimulatory molecules was enhanced, thereby increasing the T cell stimulatory capacity. Our data demonstrates that the choice of medium should be critically examined as one of the variables while optimizing cell transfection.
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Affiliation(s)
- Mieke F van Essen
- Div. of Nephrology and Transplant Medicine, Dept. of Medicine, Leiden University Medical Center, Albinusdreef 2, 2333 ZA Leiden, the Netherlands.
| | - Nicole Schlagwein
- Div. of Nephrology and Transplant Medicine, Dept. of Medicine, Leiden University Medical Center, Albinusdreef 2, 2333 ZA Leiden, the Netherlands
| | - Daniëlle J van Gijlswijk-Janssen
- Div. of Nephrology and Transplant Medicine, Dept. of Medicine, Leiden University Medical Center, Albinusdreef 2, 2333 ZA Leiden, the Netherlands
| | - Jacqueline D H Anholts
- Department of Immunohematology and Blood Transfusion, Leiden University Medical Center, Albinusdreef 2, 2333 ZA Leiden, the Netherlands
| | - Michael Eikmans
- Department of Immunohematology and Blood Transfusion, Leiden University Medical Center, Albinusdreef 2, 2333 ZA Leiden, the Netherlands
| | - Jurjen M Ruben
- Div. of Nephrology and Transplant Medicine, Dept. of Medicine, Leiden University Medical Center, Albinusdreef 2, 2333 ZA Leiden, the Netherlands
| | - Cees van Kooten
- Div. of Nephrology and Transplant Medicine, Dept. of Medicine, Leiden University Medical Center, Albinusdreef 2, 2333 ZA Leiden, the Netherlands.
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32
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de Marcken M, Dhaliwal K, Danielsen AC, Gautron AS, Dominguez-Villar M. TLR7 and TLR8 activate distinct pathways in monocytes during RNA virus infection. Sci Signal 2019; 12:12/605/eaaw1347. [DOI: 10.1126/scisignal.aaw1347] [Citation(s) in RCA: 88] [Impact Index Per Article: 17.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/22/2022]
Abstract
Human blood CD14+monocytes are bone marrow–derived white blood cells that sense and respond to pathogens. Although innate immune activation by RNA viruses preferentially occurs through intracellular RIG-I–like receptors, other nucleic acid recognition receptors, such as Toll-like receptors (TLRs), play a role in finely programming the final outcome of virus infection. Here, we dissected how human monocytes respond to infection with either Coxsackie (CV), encephalomyocarditis (EMCV), influenza A (IAV), measles (MV), Sendai (SV), or vesicular stomatitis (VSV) virus. We found that in monocytes, type I interferon (IFN) and cytokine responses to infection were RNA virus specific and differentially involved TLR7 and TLR8, which sense single-stranded RNA. These TLRs activated distinct signaling cascades in monocytes, which correlated with differences in the production of cytokines involved in the polarization of CD4+T helper cells. Furthermore, we found that TLR7 signaling specifically increased expression of the transcription factor FOSL1, which reduced IL-27 and TNFα production by monocytes. TLR7, but not TLR8, activation of monocytes also stimulated Ca2+flux that prevented type I IFN responses. Our work demonstrates that in human monocytes, TLR7 and TLR8 triggered different signaling pathways that contribute to distinct phenotypes during RNA virus infection. In addition, we defined individual targets within these pathways that promoted specific T helper and antiviral responses.
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Affiliation(s)
- Marine de Marcken
- Department of Neurology, Yale School of Medicine, New Haven, CT 06520, USA
| | - Khushwant Dhaliwal
- Department of Neurology, Yale School of Medicine, New Haven, CT 06520, USA
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33
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Mitochondrial Calcium Uptake Is Instrumental to Alternative Macrophage Polarization and Phagocytic Activity. Int J Mol Sci 2019; 20:ijms20194966. [PMID: 31597355 PMCID: PMC6801659 DOI: 10.3390/ijms20194966] [Citation(s) in RCA: 19] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/24/2019] [Accepted: 10/02/2019] [Indexed: 01/10/2023] Open
Abstract
Macrophages are highly plastic and dynamic cells that exert much of their function through phagocytosis. Phagocytosis depends on a coordinated, finely tuned, and compartmentalized regulation of calcium concentrations. We examined the role of mitochondrial calcium uptake and mitochondrial calcium uniporter (MCU) in macrophage polarization and function. In primary cultures of human monocyte-derived macrophages, calcium uptake in mitochondria was instrumental for alternative (M2) macrophage polarization. Mitochondrial calcium uniporter inhibition with KB-R7943 or MCU knockdown, which prevented mitochondrial calcium uptake, reduced M2 polarization, while not affecting classical (M1) polarization. Challenging macrophages with E. coli fragments induced spikes of mitochondrial calcium concentrations, which were prevented by MCU inhibition or silencing. In addition, mitochondria remodelled in M2 macrophages during phagocytosis, especially close to sites of E. coli internalization. Remarkably, inhibition or knockdown of MCU significantly reduced the phagocytic capacity of M2 macrophages. KB-R7943, which also inhibits the membrane sodium/calcium exchanger and Complex I, reduced mitochondria energization and cellular ATP levels, but such effects were not observed with MCU silencing. Therefore, phagocytosis inhibition by MCU knockdown depended on the impaired mitochondrial calcium buffering rather than changes in mitochondrial and cellular energy status. These data uncover a new role for MCU in alternative macrophage polarization and phagocytic activity.
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34
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Metformin reduced NLRP3 inflammasome activity in Ox-LDL stimulated macrophages through adenosine monophosphate activated protein kinase and protein phosphatase 2A. Eur J Pharmacol 2019; 852:99-106. [DOI: 10.1016/j.ejphar.2019.03.006] [Citation(s) in RCA: 24] [Impact Index Per Article: 4.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/06/2018] [Revised: 02/27/2019] [Accepted: 03/06/2019] [Indexed: 11/20/2022]
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35
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Yoo EJ, Lee HH, Ye BJ, Lee JH, Lee CY, Kang HJ, Jeong GW, Park H, Lim SW, Lee-Kwon W, Kwon HM, Choi SY. TonEBP Suppresses the HO-1 Gene by Blocking Recruitment of Nrf2 to Its Promoter. Front Immunol 2019; 10:850. [PMID: 31057560 PMCID: PMC6482272 DOI: 10.3389/fimmu.2019.00850] [Citation(s) in RCA: 14] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/28/2018] [Accepted: 04/02/2019] [Indexed: 01/08/2023] Open
Abstract
TonEBP is a key transcriptional activator in macrophages with an M1 phenotype. High expression of TonEBP is associated with many inflammatory diseases. Heme oxygenase-1 (HO-1), a stress-inducible protein, is induced by various oxidative and inflammatory signals, and its expression is regarded as an adaptive cellular response to inflammation and oxidative injury. Here, we show that TonEBP suppresses expression of HO-1 by blocking Nrf2 binding to the HO-1 promoter, thereby inducing polarization of macrophages to the M1 phenotype. Inhibition of HO-1 expression or activity significantly reduced the inhibitory responses on M1 phenotype and stimulatory effects on M2 phenotype by TonEBP knockdown. Additional experiments showed that HO-1 plays a role in the paracrine anti-inflammatory effects of TonEBP knockdown in macrophages. Identification of HO-1 as a downstream effector of TonEBP provides new possibilities for improved therapeutic approaches to inflammatory diseases.
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Affiliation(s)
- Eun Jin Yoo
- School of Life Sciences, Ulsan National Institute of Science and Technology, Ulsan, South Korea
| | - Hwan Hee Lee
- School of Life Sciences, Ulsan National Institute of Science and Technology, Ulsan, South Korea
| | - Byeong Jin Ye
- School of Life Sciences, Ulsan National Institute of Science and Technology, Ulsan, South Korea
| | - Jun Ho Lee
- School of Life Sciences, Ulsan National Institute of Science and Technology, Ulsan, South Korea
| | - Chae Young Lee
- School of Life Sciences, Ulsan National Institute of Science and Technology, Ulsan, South Korea
| | - Hyun Je Kang
- School of Life Sciences, Ulsan National Institute of Science and Technology, Ulsan, South Korea
| | - Gyu Won Jeong
- School of Life Sciences, Ulsan National Institute of Science and Technology, Ulsan, South Korea
| | - Hyun Park
- School of Life Sciences, Ulsan National Institute of Science and Technology, Ulsan, South Korea
| | - Sun Woo Lim
- Transplantation Research Center, Catholic University of Korea, Seoul, South Korea
| | - Whaseon Lee-Kwon
- School of Life Sciences, Ulsan National Institute of Science and Technology, Ulsan, South Korea
| | - Hyug Moo Kwon
- School of Life Sciences, Ulsan National Institute of Science and Technology, Ulsan, South Korea
| | - Soo Youn Choi
- School of Life Sciences, Ulsan National Institute of Science and Technology, Ulsan, South Korea
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36
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Freire DM, Gutierrez C, Garza-Garcia A, Grabowska AD, Sala AJ, Ariyachaokun K, Panikova T, Beckham KSH, Colom A, Pogenberg V, Cianci M, Tuukkanen A, Boudehen YM, Peixoto A, Botella L, Svergun DI, Schnappinger D, Schneider TR, Genevaux P, de Carvalho LPS, Wilmanns M, Parret AHA, Neyrolles O. An NAD + Phosphorylase Toxin Triggers Mycobacterium tuberculosis Cell Death. Mol Cell 2019; 73:1282-1291.e8. [PMID: 30792174 PMCID: PMC6436930 DOI: 10.1016/j.molcel.2019.01.028] [Citation(s) in RCA: 49] [Impact Index Per Article: 9.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/26/2018] [Revised: 11/13/2018] [Accepted: 01/18/2019] [Indexed: 01/13/2023]
Abstract
Toxin-antitoxin (TA) systems regulate fundamental cellular processes in bacteria and represent potential therapeutic targets. We report a new RES-Xre TA system in multiple human pathogens, including Mycobacterium tuberculosis. The toxin, MbcT, is bactericidal unless neutralized by its antitoxin MbcA. To investigate the mechanism, we solved the 1.8 Å-resolution crystal structure of the MbcTA complex. We found that MbcT resembles secreted NAD+-dependent bacterial exotoxins, such as diphtheria toxin. Indeed, MbcT catalyzes NAD+ degradation in vitro and in vivo. Unexpectedly, the reaction is stimulated by inorganic phosphate, and our data reveal that MbcT is a NAD+ phosphorylase. In the absence of MbcA, MbcT triggers rapid M. tuberculosis cell death, which reduces mycobacterial survival in macrophages and prolongs the survival of infected mice. Our study expands the molecular activities employed by bacterial TA modules and uncovers a new class of enzymes that could be exploited to treat tuberculosis and other infectious diseases.
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Affiliation(s)
- Diana Mendes Freire
- European Molecular Biology Laboratory, Hamburg Unit, Notkestraße 85, 22607 Hamburg, Germany
| | - Claude Gutierrez
- Institut de Pharmacologie et de Biologie Structurale, IPBS, Université de Toulouse, CNRS, UPS, 205 route de Narbonne, 31400 Toulouse, France
| | - Acely Garza-Garcia
- Mycobacterial Metabolism and Antibiotic Research Laboratory, The Francis Crick Institute, 1 Midland Road, London NW1 1AT, UK
| | - Anna D Grabowska
- Institut de Pharmacologie et de Biologie Structurale, IPBS, Université de Toulouse, CNRS, UPS, 205 route de Narbonne, 31400 Toulouse, France
| | - Ambre J Sala
- Laboratoire de Microbiologie et Génétique Moléculaires, Centre de Biologie Intégrative, Université de Toulouse, CNRS, UPS, 118 route de Narbonne, 31400 Toulouse, France
| | - Kanchiyaphat Ariyachaokun
- Institut de Pharmacologie et de Biologie Structurale, IPBS, Université de Toulouse, CNRS, UPS, 205 route de Narbonne, 31400 Toulouse, France
| | - Terezie Panikova
- European Molecular Biology Laboratory, Hamburg Unit, Notkestraße 85, 22607 Hamburg, Germany
| | - Katherine S H Beckham
- European Molecular Biology Laboratory, Hamburg Unit, Notkestraße 85, 22607 Hamburg, Germany
| | - André Colom
- Institut de Pharmacologie et de Biologie Structurale, IPBS, Université de Toulouse, CNRS, UPS, 205 route de Narbonne, 31400 Toulouse, France
| | - Vivian Pogenberg
- European Molecular Biology Laboratory, Hamburg Unit, Notkestraße 85, 22607 Hamburg, Germany
| | - Michele Cianci
- European Molecular Biology Laboratory, Hamburg Unit, Notkestraße 85, 22607 Hamburg, Germany
| | - Anne Tuukkanen
- European Molecular Biology Laboratory, Hamburg Unit, Notkestraße 85, 22607 Hamburg, Germany
| | - Yves-Marie Boudehen
- Institut de Pharmacologie et de Biologie Structurale, IPBS, Université de Toulouse, CNRS, UPS, 205 route de Narbonne, 31400 Toulouse, France
| | - Antonio Peixoto
- Institut de Pharmacologie et de Biologie Structurale, IPBS, Université de Toulouse, CNRS, UPS, 205 route de Narbonne, 31400 Toulouse, France
| | - Laure Botella
- Department of Microbiology and Immunology, Weill Cornell Medical College, 1300 York Avenue, New York, NY 10065, USA
| | - Dmitri I Svergun
- European Molecular Biology Laboratory, Hamburg Unit, Notkestraße 85, 22607 Hamburg, Germany
| | - Dirk Schnappinger
- Department of Microbiology and Immunology, Weill Cornell Medical College, 1300 York Avenue, New York, NY 10065, USA
| | - Thomas R Schneider
- European Molecular Biology Laboratory, Hamburg Unit, Notkestraße 85, 22607 Hamburg, Germany
| | - Pierre Genevaux
- Laboratoire de Microbiologie et Génétique Moléculaires, Centre de Biologie Intégrative, Université de Toulouse, CNRS, UPS, 118 route de Narbonne, 31400 Toulouse, France
| | - Luiz Pedro Sorio de Carvalho
- Mycobacterial Metabolism and Antibiotic Research Laboratory, The Francis Crick Institute, 1 Midland Road, London NW1 1AT, UK
| | - Matthias Wilmanns
- European Molecular Biology Laboratory, Hamburg Unit, Notkestraße 85, 22607 Hamburg, Germany; University Hamburg Medical Centre Hamburg-Eppendorf, Martinistraße 52, 20246 Hamburg, Germany
| | - Annabel H A Parret
- European Molecular Biology Laboratory, Hamburg Unit, Notkestraße 85, 22607 Hamburg, Germany.
| | - Olivier Neyrolles
- Institut de Pharmacologie et de Biologie Structurale, IPBS, Université de Toulouse, CNRS, UPS, 205 route de Narbonne, 31400 Toulouse, France.
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37
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Hong E, Halman JR, Shah A, Cedrone E, Truong N, Afonin KA, Dobrovolskaia MA. Toll-Like Receptor-Mediated Recognition of Nucleic Acid Nanoparticles (NANPs) in Human Primary Blood Cells. Molecules 2019; 24:E1094. [PMID: 30897721 PMCID: PMC6470694 DOI: 10.3390/molecules24061094] [Citation(s) in RCA: 40] [Impact Index Per Article: 8.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/27/2019] [Revised: 03/12/2019] [Accepted: 03/18/2019] [Indexed: 12/11/2022] Open
Abstract
Infusion reactions (IRs) create a translational hurdle for many novel therapeutics, including those utilizing nanotechnology. Nucleic acid nanoparticles (NANPs) are a novel class of therapeutics prepared by rational design of relatively short oligonucleotides to self-assemble into various programmable geometric shapes. While cytokine storm, a common type of IR, has halted clinical development of several therapeutic oligonucleotides, NANP technologies hold tremendous potential to bring these reactions under control by tuning the particle's physicochemical properties to the desired type and magnitude of the immune response. Recently, we reported the very first comprehensive study of the structure⁻activity relationship between NANPs' shape, size, composition, and their immunorecognition in human cells, and identified the phagolysosomal pathway as the major route for the NANPs' uptake and subsequent immunostimulation. Here, we explore the molecular mechanism of NANPs' recognition by primary immune cells, and particularly the contributing role of the Toll-like receptors. Our current study expands the understanding of the immune recognition of engineered nucleic acid-based therapeutics and contributes to the improvement of the nanomedicine safety profile.
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Affiliation(s)
- Enping Hong
- Nanotechnology Characterization Lab, Frederick National Laboratory for Cancer Research Sponsored by The National Cancer Institute, Frederick, MD 21702, USA.
| | - Justin R Halman
- Nanoscale Science Program, Department of Chemistry, The University of North Carolina at Charlotte, Charlotte, NC 28223, USA.
| | - Ankit Shah
- Nanotechnology Characterization Lab, Frederick National Laboratory for Cancer Research Sponsored by The National Cancer Institute, Frederick, MD 21702, USA.
| | - Edward Cedrone
- Nanotechnology Characterization Lab, Frederick National Laboratory for Cancer Research Sponsored by The National Cancer Institute, Frederick, MD 21702, USA.
| | - Nguyen Truong
- Nanoscale Science Program, Department of Chemistry, The University of North Carolina at Charlotte, Charlotte, NC 28223, USA.
| | - Kirill A Afonin
- Nanoscale Science Program, Department of Chemistry, The University of North Carolina at Charlotte, Charlotte, NC 28223, USA.
| | - Marina A Dobrovolskaia
- Nanotechnology Characterization Lab, Frederick National Laboratory for Cancer Research Sponsored by The National Cancer Institute, Frederick, MD 21702, USA.
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38
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Williams DW, Askew LC, Jones E, Clements JE. CCR2 Signaling Selectively Regulates IFN-α: Role of β-Arrestin 2 in IFNAR1 Internalization. JOURNAL OF IMMUNOLOGY (BALTIMORE, MD. : 1950) 2019; 202:105-118. [PMID: 30504423 PMCID: PMC6310093 DOI: 10.4049/jimmunol.1800598] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/26/2018] [Accepted: 10/28/2018] [Indexed: 01/06/2023]
Abstract
An integral component of the antiviral response, type I IFNs require regulation to modulate immune activation. We identify β-arrestin 2 as a key modulator of type I IFN in primary human macrophages, an essential component of the innate immune response. β-Arrestin 2 was selectively activated by CCL2/CCR2 signaling, which induced a decrease in IFN-α, but not IFN-β expression. Small interfering RNA knockdown of β-arrestin 2 demonstrated its role in IFNAR1 internalization, as well as STAT1 and IRF3 activation. As a result, cytokine responses were not propagated following HIV infection and TLR3 activation. However, remnants of IFN signaling remained intact, despite β-arrestin 2 activation, as IFN-β, IFN-γ, IFN-λ1, IRF7, TRAIL, and MxA expression were sustained. Similar effects of β-arrestin 2 on IFN signaling occurred in hepatocytes, suggesting that arrestins may broadly modulate IFN responses in multiple cell types. In summary, we identify a novel role of β-arrestin 2 as an integral regulator of type I IFN through its internalization of IFNAR1 and a subsequent selective loss of downstream IFN signaling.
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Affiliation(s)
- Dionna W Williams
- Department of Molecular and Comparative Pathobiology, Johns Hopkins University School of Medicine, Baltimore, MD 21205;
- Department of Clinical Pharmacology, Johns Hopkins University School of Medicine, Baltimore, MD 21205
| | - Lauren C Askew
- Department of Molecular and Comparative Pathobiology, Johns Hopkins University School of Medicine, Baltimore, MD 21205
| | - Elonna Jones
- Department of Molecular and Comparative Pathobiology, Johns Hopkins University School of Medicine, Baltimore, MD 21205
| | - Janice E Clements
- Department of Molecular and Comparative Pathobiology, Johns Hopkins University School of Medicine, Baltimore, MD 21205
- Department of Pathology, Johns Hopkins University School of Medicine, Baltimore, MD 21205; and
- Department of Neurology, Johns Hopkins University School of Medicine, Baltimore, MD 21205
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39
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Cai Y, Yang C, Yu X, Qian J, Dai M, Wang Y, Qin C, Lai W, Chen S, Wang T, Zhou J, Ma N, Zhang Y, Zhang R, Shen N, Xie X, Du C. Deficiency of β-Arrestin 2 in Dendritic Cells Contributes to Autoimmune Diseases. THE JOURNAL OF IMMUNOLOGY 2018; 202:407-420. [PMID: 30541881 DOI: 10.4049/jimmunol.1800261] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/26/2018] [Accepted: 11/13/2018] [Indexed: 12/30/2022]
Abstract
Altered migration and immune responses of dendritic cells (DCs) lead to inflammatory and autoimmune diseases. Our studies demonstrated that β-arrestin 2 deficiency promoted migration and cytokine production of mouse bone marrow-derived DCs. We further found that β-arrestin 2 directly interacted with Zbtb46, a DC-specific transcription factor. What's more, our results suggested that the interaction between β-arrestin 2 and Zbtb46 might negatively regulate DC migration. Using RNA sequencing, we indicated that genes CD74, NR4A1, and ZFP36 might be the target genes regulated by the interaction between β-arrestin 2 and Zbtb46. Mice with selective deficiency of β-arrestin 2 in DCs developed severer experimental autoimmune encephalomyelitis with more DC infiltration in the CNS and increased IL-6 in serum. In the systemic lupus erythematosus mice model, Arrb2fl/fl Itgax-cre+ mice were prone to exacerbation of lupus nephritis with a higher level of IL-6 and DC accumulation. Taken together, our study identified β-arrestin 2 as a new regulator of DC migration and immune properties, providing new insights into the mechanisms underlying the development of autoimmune disease.
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Affiliation(s)
- Yingying Cai
- Putuo District People's Hospital, Shanghai Key Laboratory of Signaling and Disease Research, School of Life Sciences and Technology, Tongji University, Shanghai 200092, China
| | - Cuixia Yang
- Putuo District People's Hospital, Shanghai Key Laboratory of Signaling and Disease Research, School of Life Sciences and Technology, Tongji University, Shanghai 200092, China
| | - Xiaohan Yu
- Department of Respiratory and Gastroenterology, Yingshan People's Hospital, Yingshan, Hubei 436700, China
| | - Jie Qian
- Renji Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai 200001, China
| | - Min Dai
- Renji Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai 200001, China
| | - Yan Wang
- Institute of Health Sciences, Shanghai Institutes for Biological Sciences, Chinese Academy of Sciences, Shanghai Jiao Tong University School of Medicine, Shanghai 200031, China; and
| | - Chaoyan Qin
- Putuo District People's Hospital, Shanghai Key Laboratory of Signaling and Disease Research, School of Life Sciences and Technology, Tongji University, Shanghai 200092, China
| | - Weiming Lai
- Putuo District People's Hospital, Shanghai Key Laboratory of Signaling and Disease Research, School of Life Sciences and Technology, Tongji University, Shanghai 200092, China
| | - Shuai Chen
- Putuo District People's Hospital, Shanghai Key Laboratory of Signaling and Disease Research, School of Life Sciences and Technology, Tongji University, Shanghai 200092, China
| | - Tingting Wang
- Putuo District People's Hospital, Shanghai Key Laboratory of Signaling and Disease Research, School of Life Sciences and Technology, Tongji University, Shanghai 200092, China
| | - Jinfeng Zhou
- Putuo District People's Hospital, Shanghai Key Laboratory of Signaling and Disease Research, School of Life Sciences and Technology, Tongji University, Shanghai 200092, China
| | - Ningjia Ma
- Putuo District People's Hospital, Shanghai Key Laboratory of Signaling and Disease Research, School of Life Sciences and Technology, Tongji University, Shanghai 200092, China
| | - Yue Zhang
- Putuo District People's Hospital, Shanghai Key Laboratory of Signaling and Disease Research, School of Life Sciences and Technology, Tongji University, Shanghai 200092, China
| | - Ru Zhang
- Putuo District People's Hospital, Shanghai Key Laboratory of Signaling and Disease Research, School of Life Sciences and Technology, Tongji University, Shanghai 200092, China
| | - Nan Shen
- Renji Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai 200001, China
| | - Xin Xie
- State Key Laboratory of Drug Research, Shanghai Institute of Materia Medica, Chinese Academy of Sciences, Shanghai 201203, China
| | - Changsheng Du
- Putuo District People's Hospital, Shanghai Key Laboratory of Signaling and Disease Research, School of Life Sciences and Technology, Tongji University, Shanghai 200092, China;
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40
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Gerrick KY, Gerrick ER, Gupta A, Wheelan SJ, Yegnasubramanian S, Jaffee EM. Transcriptional profiling identifies novel regulators of macrophage polarization. PLoS One 2018; 13:e0208602. [PMID: 30532146 PMCID: PMC6286176 DOI: 10.1371/journal.pone.0208602] [Citation(s) in RCA: 59] [Impact Index Per Article: 9.8] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/26/2018] [Accepted: 11/20/2018] [Indexed: 12/17/2022] Open
Abstract
Macrophages are key inflammatory immune cells that display dynamic phenotypes and functions in response to their local microenvironment. Major advances have occurred in understanding the transcriptional, epigenetic, and functional differences in various macrophage subsets by in vitro modeling and gene expression and epigenetic profiling for biomarker discovery. However, there is still no standardized protocol for macrophage polarization largely due to the lack of thorough validation of macrophage phenotypes following polarization. In addition, transcriptional regulation is recognized as a major mechanism governing differential macrophage polarization programs and as such, many genes have been identified to be associated with each macrophage subset. However, the functional role of many of these genes in macrophage polarization is still unknown. Moreover, the role of other regulatory mechanisms, such as DNA methylation, in macrophage polarization remains poorly understood. Here, we employed an optimized model of human M1 and M2 macrophage polarization which we used for large-scale transcriptional and DNA methylation profiling. We were unable to demonstrate a role for DNA methylation in macrophage polarization, as no significant changes were identified. However, we observed significant changes in the transcriptomes of M1 and M2 macrophages. Additionally, we identified numerous novel differentially regulated genes involved in macrophage polarization, including CYBB and DHCR7 which we show as important regulators of M1 and M2 macrophage polarization, respectively. Taken together, our improved in vitro human M1 and M2 macrophage model provides new understandings of the regulation of macrophage polarization and candidate macrophage biomarkers.
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Affiliation(s)
- Kimberline Y. Gerrick
- The Sidney Kimmel Comprehensive Cancer Center, The Johns Hopkins University School of Medicine, Baltimore, MD, United States of America
- Department of Oncology, The Johns Hopkins University School of Medicine, Baltimore, MD, United States of America
- The Bloomberg-Kimmel Institute for Cancer Immunotherapy, The Johns Hopkins University School of Medicine, Baltimore, MD, United States of America
- The Skip Viragh Center for Pancreas Cancer Clinical Research and Patient Care, The Sidney Kimmel Comprehensive Cancer Center at Johns Hopkins, Baltimore, MD, United States of America
| | - Elias R. Gerrick
- Department of Immunology and Infectious Diseases, Harvard T.H. Chan School of Public Health, Boston, MA, United States of America
| | - Anuj Gupta
- The Sidney Kimmel Comprehensive Cancer Center, The Johns Hopkins University School of Medicine, Baltimore, MD, United States of America
- Department of Oncology, The Johns Hopkins University School of Medicine, Baltimore, MD, United States of America
| | - Sarah J. Wheelan
- The Sidney Kimmel Comprehensive Cancer Center, The Johns Hopkins University School of Medicine, Baltimore, MD, United States of America
- Department of Oncology, The Johns Hopkins University School of Medicine, Baltimore, MD, United States of America
| | - Srinivasan Yegnasubramanian
- The Sidney Kimmel Comprehensive Cancer Center, The Johns Hopkins University School of Medicine, Baltimore, MD, United States of America
- Department of Oncology, The Johns Hopkins University School of Medicine, Baltimore, MD, United States of America
| | - Elizabeth M. Jaffee
- The Sidney Kimmel Comprehensive Cancer Center, The Johns Hopkins University School of Medicine, Baltimore, MD, United States of America
- Department of Oncology, The Johns Hopkins University School of Medicine, Baltimore, MD, United States of America
- The Bloomberg-Kimmel Institute for Cancer Immunotherapy, The Johns Hopkins University School of Medicine, Baltimore, MD, United States of America
- The Skip Viragh Center for Pancreas Cancer Clinical Research and Patient Care, The Sidney Kimmel Comprehensive Cancer Center at Johns Hopkins, Baltimore, MD, United States of America
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41
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Reis M, Mavin E, Nicholson L, Green K, Dickinson AM, Wang XN. Mesenchymal Stromal Cell-Derived Extracellular Vesicles Attenuate Dendritic Cell Maturation and Function. Front Immunol 2018; 9:2538. [PMID: 30473695 PMCID: PMC6237916 DOI: 10.3389/fimmu.2018.02538] [Citation(s) in RCA: 169] [Impact Index Per Article: 28.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/29/2018] [Accepted: 10/15/2018] [Indexed: 12/13/2022] Open
Abstract
Mesenchymal stromal cells (MSCs) are potent regulators of immune responses largely through paracrine signaling. MSC secreted extracellular vesicles (MSC-EVs) are increasingly recognized as the key paracrine factors responsible for the biological and therapeutic function of MSCs. We report the first comprehensive study demonstrating the immunomodulatory effect of MSC-EVs on dendritic cell (DC) maturation and function. MSC-EVs were isolated from MSC conditioned media using differential ultracentrifugation. Human monocyte-derived DCs were generated in the absence or presence of MSC-EVs (20 ug/ml) then subjected to phenotypic and functional analysis in vitro. MSC-EV treatment impaired antigen uptake by immature DCs and halted DC maturation resulting in reduced expression of the maturation and activation markers CD83, CD38, and CD80, decreased secretion of pro-inflammatory cytokines IL-6 and IL-12p70 and increased production of anti-inflammatory cytokine TGF-β. MSC-EV treated DCs also demonstrated a diminished CCR 7 expression after LPS stimulation, coupled with a significantly reduced ability to migrate toward the CCR7-ligand CCL21, although they were still able to stimulate allogeneic T cell proliferation in vitro. Through microRNA profiling we have identified 49 microRNAs, which were significantly enriched in MSC-EVs compared to their parent MSCs. MicroRNAs with known effect on DC maturation and functions, including miR-21-5p, miR-142-3p, miR-223-3p, and miR-126-3p, were detected within the top 10 most enriched miRNAs in MSC-EVs, with MiR-21-5p as the third highest expressed miRNA in MSC-EVs. In silico analysis revealed that miR-21-5p targets the CCR7 gene for degradation. To verify these observations, DCs were transfected with miR-21-5p mimics and analyzed for their ability to migrate toward the CCR7-ligand CCL21 in vitro. MiR-21-5p mimic transfected DCs showed a clear trend of reduced CCR7 expression and a significantly decreased migratory ability toward the CCL21. Our findings suggest that MSC-EVs are able to recapitulate MSC mediated DC modulation and MSC-EV enclosed microRNAs may represent a novel mechanism through which MSCs modulate DC functions. As MSCs are currently used in clinical trials to treat numerous diseases associated with immune dysregulation, such as graft-versus-host disease and inflammatory bowel disease, our data provide novel evidence to inform potential future application of MSC-EVs as a cell-free therapeutic agent.
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Affiliation(s)
- Monica Reis
- Haematological Sciences, Institute of Cellular Medicine, Newcastle University, Newcastle upon Tyne, United Kingdom
| | - Emily Mavin
- Haematological Sciences, Institute of Cellular Medicine, Newcastle University, Newcastle upon Tyne, United Kingdom
| | - Lindsay Nicholson
- Haematological Sciences, Institute of Cellular Medicine, Newcastle University, Newcastle upon Tyne, United Kingdom
| | - Kile Green
- Haematological Sciences, Institute of Cellular Medicine, Newcastle University, Newcastle upon Tyne, United Kingdom
| | - Anne M Dickinson
- Haematological Sciences, Institute of Cellular Medicine, Newcastle University, Newcastle upon Tyne, United Kingdom
| | - Xiao-Nong Wang
- Haematological Sciences, Institute of Cellular Medicine, Newcastle University, Newcastle upon Tyne, United Kingdom
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42
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Gilardini Montani MS, Santarelli R, Falcinelli L, Gonnella R, Granato M, Di Renzo L, Cuomo L, Vitillo M, Faggioni A, Cirone M. EBV up-regulates PD-L1 on the surface of primary monocytes by increasing ROS and activating TLR signaling and STAT3. J Leukoc Biol 2018; 104:821-832. [PMID: 30040158 DOI: 10.1002/jlb.2a0118-029rr] [Citation(s) in RCA: 27] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/24/2018] [Revised: 06/13/2018] [Accepted: 06/14/2018] [Indexed: 12/15/2022] Open
Abstract
Programmed death ligand 1 (PD-L1) (also called B7-H1) is a membrane immune-modulatory protein whose overexpression on the surface of tumor cells as well as APCs impairs T-cell-mediated killing. Viruses that establish chronic infections have developed a number of strategies to escape from immune recognition including the up-regulation of PD-L1. This study shows for the first time that the human oncovirus EBV infects human primary monocytes using HLA-DR and induced a strong up-regulation of PD-L1 expression on their surface. Searching for the underlying mechanism/s leading to this immune suppressive effect, we found that EBV activated TLR signaling, increased intracellular ROS, and phosphorylated STAT3. Targeting these molecules partially reverted PD-L1 up-regulation that correlated with an altered cytokine production and a reduction of monocyte cell survival, strongly impairing the antiviral immune response.
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Affiliation(s)
- Maria Saveria Gilardini Montani
- Department of Experimental Medicine, Sapienza University of Rome, Laboratory Affiliated to Istituto Pasteur Italia-Fondazione Cenci Bolognetti, Rome, Italy
| | - Roberta Santarelli
- Department of Experimental Medicine, Sapienza University of Rome, Laboratory Affiliated to Istituto Pasteur Italia-Fondazione Cenci Bolognetti, Rome, Italy
| | - Luca Falcinelli
- Department of Experimental Medicine, Sapienza University of Rome, Laboratory Affiliated to Istituto Pasteur Italia-Fondazione Cenci Bolognetti, Rome, Italy
| | - Roberta Gonnella
- Department of Experimental Medicine, Sapienza University of Rome, Laboratory Affiliated to Istituto Pasteur Italia-Fondazione Cenci Bolognetti, Rome, Italy
| | - Marisa Granato
- Department of Experimental Medicine, Sapienza University of Rome, Laboratory Affiliated to Istituto Pasteur Italia-Fondazione Cenci Bolognetti, Rome, Italy
| | - Livia Di Renzo
- Department of Experimental Medicine, Sapienza University of Rome, Laboratory Affiliated to Istituto Pasteur Italia-Fondazione Cenci Bolognetti, Rome, Italy
| | - Laura Cuomo
- San Filippo Neri Hospital, General Pathology, Asl Roma 1, Rome, Italy
| | - Marina Vitillo
- San Filippo Neri Hospital, General Pathology, Asl Roma 1, Rome, Italy
| | - Alberto Faggioni
- Department of Experimental Medicine, Sapienza University of Rome, Laboratory Affiliated to Istituto Pasteur Italia-Fondazione Cenci Bolognetti, Rome, Italy
| | - Mara Cirone
- Department of Experimental Medicine, Sapienza University of Rome, Laboratory Affiliated to Istituto Pasteur Italia-Fondazione Cenci Bolognetti, Rome, Italy
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Lugo-Villarino G, Troegeler A, Balboa L, Lastrucci C, Duval C, Mercier I, Bénard A, Capilla F, Al Saati T, Poincloux R, Kondova I, Verreck FAW, Cougoule C, Maridonneau-Parini I, Sasiain MDC, Neyrolles O. The C-Type Lectin Receptor DC-SIGN Has an Anti-Inflammatory Role in Human M(IL-4) Macrophages in Response to Mycobacterium tuberculosis. Front Immunol 2018; 9:1123. [PMID: 29946317 PMCID: PMC6006465 DOI: 10.3389/fimmu.2018.01123] [Citation(s) in RCA: 40] [Impact Index Per Article: 6.7] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/06/2017] [Accepted: 05/03/2018] [Indexed: 01/03/2023] Open
Abstract
DC-SIGN (CD209/CLEC4L) is a C-type lectin receptor (CLR) that serves as a reliable cell-surface marker of interleukin 4 (IL-4)-activated human macrophages [M(IL-4)], which historically represent the most studied subset within the M2 spectrum of macrophage activation. Although DC-SIGN plays important roles in Mycobacterium tuberculosis (Mtb) interactions with dendritic cells, its contribution to the Mtb–macrophage interaction remains poorly understood. Since high levels of IL-4 are correlated with tuberculosis (TB) susceptibility and progression, we investigated the role of DC-SIGN in M(IL-4) macrophages in the TB context. First, we demonstrate that DC-SIGN expression is present both in CD68+ macrophages found in tuberculous pulmonary lesions of non-human primates, and in the CD14+ cell population isolated from pleural effusions obtained from TB patients (TB-PE). Likewise, we show that DC-SIGN expression is accentuated in M(IL-4) macrophages derived from peripheral blood CD14+ monocytes isolated from TB patients, or in macrophages stimulated with acellular TB-PE, arguing for the pertinence of DC-SIGN-expressing macrophages in TB. Second, using a siRNA-mediated gene silencing approach, we performed a transcriptomic analysis of DC-SIGN-depleted M(IL-4) macrophages and revealed the upregulation of pro-inflammatory signals in response to challenge with Mtb, as compared to control cells. This pro-inflammatory gene signature was confirmed by RT-qPCR, cytokine/chemokine-based protein array, and ELISA analyses. We also found that inactivation of DC-SIGN renders M(IL-4) macrophages less permissive to Mtb intracellular growth compared to control cells, despite the equal level of bacteria uptake. Last, at the molecular level, we show that DC-SIGN interferes negatively with the pro-inflammatory response and control of Mtb intracellular growth mediated by another CLR, Dectin-1 (CLEC7A). Collectively, this study highlights a dual role for DC-SIGN as, on the one hand, being a host factor granting advantage for Mtb to parasitize macrophages and, on the other hand, representing a molecular switch to turn off the pro-inflammatory response in these cells to prevent potential immunopathology associated to TB.
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Affiliation(s)
- Geanncarlo Lugo-Villarino
- Institut de Pharmacologie et de Biologie Structurale, IPBS, Université de Toulouse, CNRS, UPS, Toulouse, France
- International Associated Laboratory (LIA) CNRS “IM–TB/HIV” (1167), Toulouse, France
- International Associated Laboratory (LIA) CNRS “IM–TB/HIV” (1167), Buenos Aires, Argentina
- *Correspondence: Geanncarlo Lugo-Villarino,
| | - Anthony Troegeler
- Institut de Pharmacologie et de Biologie Structurale, IPBS, Université de Toulouse, CNRS, UPS, Toulouse, France
- International Associated Laboratory (LIA) CNRS “IM–TB/HIV” (1167), Toulouse, France
- International Associated Laboratory (LIA) CNRS “IM–TB/HIV” (1167), Buenos Aires, Argentina
| | - Luciana Balboa
- International Associated Laboratory (LIA) CNRS “IM–TB/HIV” (1167), Toulouse, France
- International Associated Laboratory (LIA) CNRS “IM–TB/HIV” (1167), Buenos Aires, Argentina
- IMEX-CONICET, Academia Nacional de Medicina, Buenos Aires, Argentina
| | - Claire Lastrucci
- Institut de Pharmacologie et de Biologie Structurale, IPBS, Université de Toulouse, CNRS, UPS, Toulouse, France
- International Associated Laboratory (LIA) CNRS “IM–TB/HIV” (1167), Toulouse, France
- International Associated Laboratory (LIA) CNRS “IM–TB/HIV” (1167), Buenos Aires, Argentina
- Centre for Genomic Regulation, Barcelona, Spain
| | - Carine Duval
- Institut de Pharmacologie et de Biologie Structurale, IPBS, Université de Toulouse, CNRS, UPS, Toulouse, France
| | - Ingrid Mercier
- Institut de Pharmacologie et de Biologie Structurale, IPBS, Université de Toulouse, CNRS, UPS, Toulouse, France
| | - Alan Bénard
- Institut de Pharmacologie et de Biologie Structurale, IPBS, Université de Toulouse, CNRS, UPS, Toulouse, France
- Department of Surgery, University, Hospital Erlangen, Friedrich-Alexander, University Erlangen-Nürnberg, Erlangen, Germany
| | | | | | - Renaud Poincloux
- Institut de Pharmacologie et de Biologie Structurale, IPBS, Université de Toulouse, CNRS, UPS, Toulouse, France
| | | | | | - Céline Cougoule
- Institut de Pharmacologie et de Biologie Structurale, IPBS, Université de Toulouse, CNRS, UPS, Toulouse, France
- International Associated Laboratory (LIA) CNRS “IM–TB/HIV” (1167), Toulouse, France
- International Associated Laboratory (LIA) CNRS “IM–TB/HIV” (1167), Buenos Aires, Argentina
| | - Isabelle Maridonneau-Parini
- Institut de Pharmacologie et de Biologie Structurale, IPBS, Université de Toulouse, CNRS, UPS, Toulouse, France
- International Associated Laboratory (LIA) CNRS “IM–TB/HIV” (1167), Toulouse, France
- International Associated Laboratory (LIA) CNRS “IM–TB/HIV” (1167), Buenos Aires, Argentina
| | - Maria del Carmen Sasiain
- International Associated Laboratory (LIA) CNRS “IM–TB/HIV” (1167), Toulouse, France
- International Associated Laboratory (LIA) CNRS “IM–TB/HIV” (1167), Buenos Aires, Argentina
- IMEX-CONICET, Academia Nacional de Medicina, Buenos Aires, Argentina
| | - Olivier Neyrolles
- Institut de Pharmacologie et de Biologie Structurale, IPBS, Université de Toulouse, CNRS, UPS, Toulouse, France
- International Associated Laboratory (LIA) CNRS “IM–TB/HIV” (1167), Toulouse, France
- International Associated Laboratory (LIA) CNRS “IM–TB/HIV” (1167), Buenos Aires, Argentina
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Cougoule C, Lastrucci C, Guiet R, Mascarau R, Meunier E, Lugo-Villarino G, Neyrolles O, Poincloux R, Maridonneau-Parini I. Podosomes, But Not the Maturation Status, Determine the Protease-Dependent 3D Migration in Human Dendritic Cells. Front Immunol 2018; 9:846. [PMID: 29760696 PMCID: PMC5936769 DOI: 10.3389/fimmu.2018.00846] [Citation(s) in RCA: 30] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/10/2017] [Accepted: 04/05/2018] [Indexed: 01/22/2023] Open
Abstract
Dendritic cells (DC) are professional Antigen-Presenting Cells scattered throughout antigen-exposed tissues and draining lymph nodes, and survey the body for pathogens. Their ability to migrate through tissues, a 3D environment, is essential for an effective immune response. Upon infection, recognition of Pathogen-Associated Molecular Patterns (PAMP) by Toll-like receptors (TLR) triggers DC maturation. Mature DC (mDC) essentially use the protease-independent, ROCK-dependent amoeboid mode in vivo, or in collagen matrices in vitro. However, the mechanisms of 3D migration used by human immature DC (iDC) are still poorly characterized. Here, we reveal that human monocyte-derived DC are able to use two migration modes in 3D. In porous matrices of fibrillar collagen I, iDC adopted the amoeboid migration mode. In dense matrices of gelled collagen I or Matrigel, iDC used the protease-dependent, ROCK-independent mesenchymal migration mode. Upon TLR4 activation by LPS, mDC-LPS lose the capacity to form podosomes and degrade the matrix along with impaired mesenchymal migration. TLR2 activation by Pam3CSK4 resulted in DC maturation, podosome maintenance, and efficient mesenchymal migration. Under all these conditions, when DC used the mesenchymal mode in dense matrices, they formed 3D podosomes at the tip of cell protrusions. Using PGE2, known to disrupt podosomes in DC, we observed that the cells remained in an immature status and the mesenchymal migration mode was abolished. We also observed that, while CCL5 (attractant of iDC) enhanced both amoeboid and mesenchymal migration of iDC, CCL19 and CCL21 (attractants of mDC) only enhanced mDC-LPS amoeboid migration without triggering mesenchymal migration. Finally, we examined the migration of iDC in tumor cell spheroids, a tissue-like 3D environment. We observed that iDC infiltrated spheroids of tumor cells using both migration modes. Altogether, these results demonstrate that human DC adopt the mesenchymal mode to migrate in 3D dense environments, which relies on their capacity to form podosomes independent of their maturation status, paving the way of further investigations on in vivo DC migration in dense tissues and its regulation during infections.
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Affiliation(s)
- Céline Cougoule
- Institut de Pharmacologie et de Biologie Structurale, IPBS, Université de Toulouse, CNRS, UPS, Toulouse, France
| | - Claire Lastrucci
- Institut de Pharmacologie et de Biologie Structurale, IPBS, Université de Toulouse, CNRS, UPS, Toulouse, France
| | - Romain Guiet
- Institut de Pharmacologie et de Biologie Structurale, IPBS, Université de Toulouse, CNRS, UPS, Toulouse, France
| | - Rémi Mascarau
- Institut de Pharmacologie et de Biologie Structurale, IPBS, Université de Toulouse, CNRS, UPS, Toulouse, France
| | - Etienne Meunier
- Institut de Pharmacologie et de Biologie Structurale, IPBS, Université de Toulouse, CNRS, UPS, Toulouse, France
| | - Geanncarlo Lugo-Villarino
- Institut de Pharmacologie et de Biologie Structurale, IPBS, Université de Toulouse, CNRS, UPS, Toulouse, France
| | - Olivier Neyrolles
- Institut de Pharmacologie et de Biologie Structurale, IPBS, Université de Toulouse, CNRS, UPS, Toulouse, France
| | - Renaud Poincloux
- Institut de Pharmacologie et de Biologie Structurale, IPBS, Université de Toulouse, CNRS, UPS, Toulouse, France
| | - Isabelle Maridonneau-Parini
- Institut de Pharmacologie et de Biologie Structurale, IPBS, Université de Toulouse, CNRS, UPS, Toulouse, France
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45
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Molony RD, Nguyen JT, Kong Y, Montgomery RR, Shaw AC, Iwasaki A. Aging impairs both primary and secondary RIG-I signaling for interferon induction in human monocytes. Sci Signal 2017; 10:eaan2392. [PMID: 29233916 PMCID: PMC6429941 DOI: 10.1126/scisignal.aan2392] [Citation(s) in RCA: 96] [Impact Index Per Article: 13.7] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/18/2022]
Abstract
Adults older than 65 account for most of the deaths caused by respiratory influenza A virus (IAV) infections, but the underlying mechanisms for this susceptibility are poorly understood. IAV RNA is detected by the cytosolic sensor retinoic acid-inducible gene I (RIG-I), which induces the production of type I interferons (IFNs) that curtail the spread of the virus and promote the elimination of infected cells. We have previously identified a marked defect in the IAV-inducible secretion of type I IFNs, but not proinflammatory cytokines, in monocytes from older (>65 years) healthy human donors. We found that monocytes from older adults exhibited decreased abundance of the adaptor protein TRAF3 (tumor necrosis factor receptor-associated factor 3) because of its increased proteasomal degradation with age, thereby impairing the primary RIG-I signaling pathway for the induction of type I IFNs. We determined that monocytes from older adults also failed to effectively stimulate the production of the IFN regulatory transcription factor IRF8, which compromised IFN induction through secondary RIG-I signaling. IRF8 played a central role in IFN induction in monocytes, because knocking down IRF8 in monocytes from younger adults was sufficient to replicate the IFN defects observed in monocytes from older adults, whereas restoring IRF8 expression in older adult monocytes was sufficient to restore RIG-I-induced IFN responses. Aging thus compromises both the primary and secondary RIG-I signaling pathways that govern expression of type I IFN genes, thereby impairing antiviral resistance to IAV.
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Affiliation(s)
- Ryan D Molony
- Department of Immunobiology, Yale School of Medicine, New Haven, CT 06520, USA
| | - Jenny T Nguyen
- Department of Immunobiology, Yale School of Medicine, New Haven, CT 06520, USA
| | - Yong Kong
- Department of Molecular Biophysics and Biochemistry, W. M. Keck Foundation Biotechnology Resource Laboratory, Yale School of Medicine, New Haven, CT 06520, USA
| | - Ruth R Montgomery
- Section of Rheumatology, Department of Internal Medicine, Yale School of Medicine, New Haven, CT 06520, USA
| | - Albert C Shaw
- Section of Infectious Diseases, Department of Internal Medicine, Yale School of Medicine, New Haven, CT 06520, USA
| | - Akiko Iwasaki
- Department of Immunobiology, Yale School of Medicine, New Haven, CT 06520, USA.
- Howard Hughes Medical Institute, Yale School of Medicine, New Haven, CT 06520, USA
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46
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Surdziel E, Clay I, Nigsch F, Thiemeyer A, Allard C, Hoffman G, Reece-Hoyes JS, Phadke T, Gambert R, Keller CG, Ludwig MG, Baumgarten B, Frederiksen M, Schübeler D, Seuwen K, Bouwmeester T, Fodor BD. Multidimensional pooled shRNA screens in human THP-1 cells identify candidate modulators of macrophage polarization. PLoS One 2017; 12:e0183679. [PMID: 28837623 PMCID: PMC5570424 DOI: 10.1371/journal.pone.0183679] [Citation(s) in RCA: 28] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/02/2017] [Accepted: 08/09/2017] [Indexed: 01/05/2023] Open
Abstract
Macrophages are key cell types of the innate immune system regulating host defense, inflammation, tissue homeostasis and cancer. Within this functional spectrum diverse and often opposing phenotypes are displayed which are dictated by environmental clues and depend on highly plastic transcriptional programs. Among these the 'classical' (M1) and 'alternative' (M2) macrophage polarization phenotypes are the best characterized. Understanding macrophage polarization in humans may reveal novel therapeutic intervention possibilities for chronic inflammation, wound healing and cancer. Systematic loss of function screening in human primary macrophages is limited due to lack of robust gene delivery methods and limited sample availability. To overcome these hurdles we developed cell-autonomous assays using the THP-1 cell line allowing genetic screens for human macrophage phenotypes. We screened 648 chromatin and signaling regulators with a pooled shRNA library for M1 and M2 polarization modulators. Validation experiments confirmed the primary screening results and identified OGT (O-linked N-acetylglucosamine (GlcNAc) transferase) as a novel mediator of M2 polarization in human macrophages. Our approach offers a possible avenue to utilize comprehensive genetic tools to identify novel candidate genes regulating macrophage polarization in humans.
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Affiliation(s)
- Ewa Surdziel
- Novartis Institutes for Biomedical Research, Basel, Switzerland
| | - Ieuan Clay
- Novartis Institutes for Biomedical Research, Basel, Switzerland
| | - Florian Nigsch
- Novartis Institutes for Biomedical Research, Basel, Switzerland
| | - Anke Thiemeyer
- Novartis Institutes for Biomedical Research, Basel, Switzerland
| | - Cyril Allard
- Novartis Institutes for Biomedical Research, Basel, Switzerland
| | - Gregory Hoffman
- Novartis Institutes for Biomedical Research, Cambridge, United States of America
| | - John S. Reece-Hoyes
- Novartis Institutes for Biomedical Research, Cambridge, United States of America
| | - Tanushree Phadke
- Novartis Institutes for Biomedical Research, Cambridge, United States of America
| | - Romain Gambert
- Novartis Institutes for Biomedical Research, Basel, Switzerland
| | | | | | | | | | - Dirk Schübeler
- Friedrich Miescher Institute for BioMedical Research, Basel, Switzerland
| | - Klaus Seuwen
- Novartis Institutes for Biomedical Research, Basel, Switzerland
| | | | - Barna D. Fodor
- Novartis Institutes for Biomedical Research, Basel, Switzerland
- * E-mail:
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47
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NOX5 and p22phox are 2 novel regulators of human monocytic differentiation into dendritic cells. Blood 2017; 130:1734-1745. [PMID: 28830888 DOI: 10.1182/blood-2016-10-746347] [Citation(s) in RCA: 42] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/18/2016] [Accepted: 08/03/2017] [Indexed: 01/25/2023] Open
Abstract
Dendritic cells (DCs) are a heterogeneous population of professional antigen-presenting cells and are key cells of the immune system, acquiring different phenotypes in accordance with their localization during the immune response. A subset of inflammatory DCs is derived from circulating monocytes (Mo) and has a key role in inflammation and infection. The pathways controlling Mo-DC differentiation are not fully understood. Our objective was to investigate the possible role of nicotinamide adenine dinucleotide phosphate reduced form oxidases (NOXs) in Mo-DC differentiation. In this study, we revealed that Mo-DC differentiation was inhibited by NOX inhibitors and reactive oxygen species scavengers. We show that the Mo-DC differentiation was dependent on p22phox, and not on gp91phox/NOX2, as shown by the reduced Mo-DC differentiation observed in chronic granulomatous disease patients lacking p22phox. Moreover, we revealed that NOX5 expression was strongly increased during Mo-DC differentiation, but not during Mo-macrophage differentiation. NOX5 was expressed in circulating myeloid DC, and at a lower level in plasmacytoid DC. Interestingly, NOX5 was localized at the outer membrane of the mitochondria and interacted with p22phox in Mo-DC. Selective inhibitors and small interfering RNAs for NOX5 indicated that NOX5 controlled Mo-DC differentiation by regulating the JAK/STAT/MAPK and NFκB pathways. These data demonstrate that the NOX5-p22phox complex drives Mo-DC differentiation, and thus could be critical for immunity and inflammation.
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48
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Bouissou A, Proag A, Bourg N, Pingris K, Cabriel C, Balor S, Mangeat T, Thibault C, Vieu C, Dupuis G, Fort E, Lévêque-Fort S, Maridonneau-Parini I, Poincloux R. Podosome Force Generation Machinery: A Local Balance between Protrusion at the Core and Traction at the Ring. ACS NANO 2017; 11:4028-4040. [PMID: 28355484 DOI: 10.1021/acsnano.7b00622] [Citation(s) in RCA: 47] [Impact Index Per Article: 6.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/06/2023]
Abstract
Determining how cells generate and transduce mechanical forces at the nanoscale is a major technical challenge for the understanding of numerous physiological and pathological processes. Podosomes are submicrometer cell structures with a columnar F-actin core surrounded by a ring of adhesion proteins, which possess the singular ability to protrude into and probe the extracellular matrix. Using protrusion force microscopy, we have previously shown that single podosomes produce local nanoscale protrusions on the extracellular environment. However, how cellular forces are distributed to allow this protruding mechanism is still unknown. To investigate the molecular machinery of protrusion force generation, we performed mechanical simulations and developed quantitative image analyses of nanoscale architectural and mechanical measurements. First, in silico modeling showed that the deformations of the substrate made by podosomes require protrusion forces to be balanced by local traction forces at the immediate core periphery where the adhesion ring is located. Second, we showed that three-ring proteins are required for actin polymerization and protrusion force generation. Third, using DONALD, a 3D nanoscopy technique that provides 20 nm isotropic localization precision, we related force generation to the molecular extension of talin within the podosome ring, which requires vinculin and paxillin, indicating that the ring sustains mechanical tension. Our work demonstrates that the ring is a site of tension, balancing protrusion at the core. This local coupling of opposing forces forms the basis of protrusion and reveals the podosome as a nanoscale autonomous force generator.
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Affiliation(s)
- Anaïs Bouissou
- Institut de Pharmacologie et de Biologie Structurale, Université de Toulouse , CNRS, UPS, Toulouse 31400, France
| | - Amsha Proag
- Institut de Pharmacologie et de Biologie Structurale, Université de Toulouse , CNRS, UPS, Toulouse 31400, France
| | - Nicolas Bourg
- Institut des Sciences Moléculaires d'Orsay, Université Paris-Sud , CNRS UMR8214, Orsay 91405, France
- Université Paris-Sud , Centre de Photonique BioMédicale, Fédération LUMAT, CNRS, FR 2764, Orsay 91405, France
| | - Karine Pingris
- Institut de Pharmacologie et de Biologie Structurale, Université de Toulouse , CNRS, UPS, Toulouse 31400, France
| | - Clément Cabriel
- Institut des Sciences Moléculaires d'Orsay, Université Paris-Sud , CNRS UMR8214, Orsay 91405, France
- Université Paris-Sud , Centre de Photonique BioMédicale, Fédération LUMAT, CNRS, FR 2764, Orsay 91405, France
| | | | - Thomas Mangeat
- LBCMCP, Centre de Biologie Intégrative, Université de Toulouse , CNRS, UPS, Toulouse 31062, France
| | - Christophe Thibault
- CNRS, LAAS , Toulouse 31031, France
- Université de Toulouse , INSA, Toulouse 31077, France
| | - Christophe Vieu
- CNRS, LAAS , Toulouse 31031, France
- Université de Toulouse , INSA, Toulouse 31077, France
| | - Guillaume Dupuis
- Université Paris-Sud , Centre de Photonique BioMédicale, Fédération LUMAT, CNRS, FR 2764, Orsay 91405, France
| | - Emmanuel Fort
- Institut Langevin, ESPCI, CNRS, PSL Research University , Paris 75005, France
| | - Sandrine Lévêque-Fort
- Institut des Sciences Moléculaires d'Orsay, Université Paris-Sud , CNRS UMR8214, Orsay 91405, France
- Université Paris-Sud , Centre de Photonique BioMédicale, Fédération LUMAT, CNRS, FR 2764, Orsay 91405, France
| | - Isabelle Maridonneau-Parini
- Institut de Pharmacologie et de Biologie Structurale, Université de Toulouse , CNRS, UPS, Toulouse 31400, France
| | - Renaud Poincloux
- Institut de Pharmacologie et de Biologie Structurale, Université de Toulouse , CNRS, UPS, Toulouse 31400, France
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49
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Pillon NJ, Chan KL, Zhang S, Mejdani M, Jacobson MR, Ducos A, Bilan PJ, Niu W, Klip A. Saturated fatty acids activate caspase-4/5 in human monocytes, triggering IL-1β and IL-18 release. Am J Physiol Endocrinol Metab 2016; 311:E825-E835. [PMID: 27624102 DOI: 10.1152/ajpendo.00296.2016] [Citation(s) in RCA: 41] [Impact Index Per Article: 5.1] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 07/28/2016] [Accepted: 09/11/2016] [Indexed: 12/14/2022]
Abstract
Obesity is associated with metabolic tissue infiltration by monocyte-derived macrophages. Saturated fatty acids contribute to proinflammatory gene induction in tissue-embedded immune cells. However, it is unknown how circulating monocytes, the macrophage precursors, react to high-fat environments. In macrophages, saturated fatty acids activate inflammatory pathways and, notably, prime caspase-associated inflammasomes. Inflammasome-activated IL-1β contributes to type 2 diabetes. We hypothesized that 1) human monocytes from obese patients show caspase activation, and 2) fatty acids trigger this response and consequent release of IL-1β/IL-18. Human peripheral blood monocytes were sorted by flow cytometry, and caspase activity was measured with a FLICA dye-based assay. Blood monocytes from obese individuals exhibited elevated caspase activity. To explore the nature and consequence of this activity, human THP1 monocytes were exposed to saturated or unsaturated fatty acids. Caspase activity was revealed by isoform-specific cleavage and enzymatic activity; cytokine expression/release was measured by qPCR and ELISA. Palmitate, but not palmitoleate, increased caspase activity in parallel to the release of IL-1β and IL-18. Palmitate induced eventual monocyte cell death with features of pyroptosis (an inflammation-linked cell death program involving caspase-4/5), scored through LDH release, vital dye influx, cell volume changes, and nuclear morphology. Notably, selective gene silencing or inhibition of caspase-4/5 reduced palmitate-induced release of IL-1β and IL-18. In summary, monocytes from obese individuals present elevated caspase activity. Mechanistically, palmitate activates a pyroptotic program in monocytes through caspase-4/5, causing inflammatory cytokine release, additional to inflammasomes. These caspases represent potential, novel, therapeutic targets to taper obesity-associated inflammation.
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Affiliation(s)
- Nicolas J Pillon
- Program in Cell Biology, The Hospital for Sick Children, Toronto, Ontario, Canada
| | - Kenny L Chan
- Program in Cell Biology, The Hospital for Sick Children, Toronto, Ontario, Canada
| | - Shitian Zhang
- Department of Immunology, Key Laboratory of Immuno Microenvironment and Disease of the Educational Ministry of China, Tianjin Medical University, Tianjin, China; and
| | - Marios Mejdani
- Program in Cell Biology, The Hospital for Sick Children, Toronto, Ontario, Canada
| | - Maya R Jacobson
- Program in Cell Biology, The Hospital for Sick Children, Toronto, Ontario, Canada
| | - Alexandre Ducos
- Program in Cell Biology, The Hospital for Sick Children, Toronto, Ontario, Canada
| | - Philip J Bilan
- Program in Cell Biology, The Hospital for Sick Children, Toronto, Ontario, Canada
| | - Wenyan Niu
- Department of Immunology, Key Laboratory of Immuno Microenvironment and Disease of the Educational Ministry of China, Tianjin Medical University, Tianjin, China; and
- Key Laboratory of Hormones and Development (Ministry of Health), Metabolic Diseases Hospital and Tianjin Institute of Endocrinology, Tianjin Medical University, Tianjin, China
| | - Amira Klip
- Program in Cell Biology, The Hospital for Sick Children, Toronto, Ontario, Canada;
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50
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Arbués A, Malaga W, Constant P, Guilhot C, Prandi J, Astarie-Dequeker C. Trisaccharides of Phenolic Glycolipids Confer Advantages to Pathogenic Mycobacteria through Manipulation of Host-Cell Pattern-Recognition Receptors. ACS Chem Biol 2016; 11:2865-2875. [PMID: 27548027 DOI: 10.1021/acschembio.6b00568] [Citation(s) in RCA: 33] [Impact Index Per Article: 4.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Abstract
Despite mycobacterial pathogens continue to be a threat to public health, the mechanisms that allow them to persist by modulating the host immune response are poorly understood. Among the factors suspected to play a role are phenolic glycolipids (PGLs), produced notably by the major pathogenic species such as Mycobacterium tuberculosis and Mycobacterium leprae. Here, we report an original strategy combining genetic reprogramming of the PGL pathway in Mycobacterium bovis BCG and chemical synthesis to examine whether sugar variations in the species-specific PGLs have an impact on pattern recognition receptors (PRRs) and the overall response of infected cells. We identified two distinct properties associated with the trisaccharide domains found in the PGLs from M. leprae and M. tuberculosis. First, the sugar moiety of PGL-1 from M. leprae is unique in its capacity to bind the lectin domain of complement receptor 3 (CR3) for efficient invasion of human macrophages. Second, the trisaccharide domain of the PGLs from M. tuberculosis and M. leprae share the capacity to inhibit Toll-like receptor 2 (TLR2)-triggered NF-κB activation, and thus the production of inflammatory cytokines. Consistently, PGL-1 was found to also bind isolated TLR2. By contrast, the simpler sugar domains of PGLs from M. bovis and Mycobacterium ulcerans did not exhibit such activities. In conclusion, the production of extended saccharide domains on PGLs dictates their recognition by host PRRs to enhance mycobacterial infectivity and subvert the host immune response.
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Affiliation(s)
- Ainhoa Arbués
- CNRS, IPBS (Institut de Pharmacologie et de Biologie Structurale), BP 64182, 31077 Toulouse, France
- Université de Toulouse, UPS, 31077, Toulouse, France
| | - Wladimir Malaga
- CNRS, IPBS (Institut de Pharmacologie et de Biologie Structurale), BP 64182, 31077 Toulouse, France
- Université de Toulouse, UPS, 31077, Toulouse, France
| | - Patricia Constant
- CNRS, IPBS (Institut de Pharmacologie et de Biologie Structurale), BP 64182, 31077 Toulouse, France
- Université de Toulouse, UPS, 31077, Toulouse, France
| | - Christophe Guilhot
- CNRS, IPBS (Institut de Pharmacologie et de Biologie Structurale), BP 64182, 31077 Toulouse, France
- Université de Toulouse, UPS, 31077, Toulouse, France
| | - Jacques Prandi
- CNRS, IPBS (Institut de Pharmacologie et de Biologie Structurale), BP 64182, 31077 Toulouse, France
- Université de Toulouse, UPS, 31077, Toulouse, France
| | - Catherine Astarie-Dequeker
- CNRS, IPBS (Institut de Pharmacologie et de Biologie Structurale), BP 64182, 31077 Toulouse, France
- Université de Toulouse, UPS, 31077, Toulouse, France
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