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Hoving D, Marques AHC, Huisman W, Nosoh BA, de Kroon AC, van Hengel ORJ, Wu BR, Steenbergen RAM, van Helden PM, Urban BC, Dhar N, Ferreira DM, Kwatra G, Hokke CH, Jochems SP. Combinatorial multimer staining and spectral flow cytometry facilitate quantification and characterization of polysaccharide-specific B cell immunity. Commun Biol 2023; 6:1095. [PMID: 37898698 PMCID: PMC10613281 DOI: 10.1038/s42003-023-05444-3] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/05/2023] [Accepted: 10/11/2023] [Indexed: 10/30/2023] Open
Abstract
Bacterial capsular polysaccharides are important vaccine immunogens. However, the study of polysaccharide-specific immune responses has been hindered by technical restrictions. Here, we developed and validated a high-throughput method to analyse antigen-specific B cells using combinatorial staining with fluorescently-labelled capsular polysaccharide multimers. Concurrent staining of 25 cellular markers further enables the in-depth characterization of polysaccharide-specific cells. We used this assay to simultaneously analyse 14 Streptococcus pneumoniae or 5 Streptococcus agalactiae serotype-specific B cell populations. The phenotype of polysaccharide-specific B cells was associated with serotype specificity, vaccination history and donor population. For example, we observed a link between non-class switched (IgM+) memory B cells and vaccine-inefficient S. pneumoniae serotypes 1 and 3. Moreover, B cells had increased activation in donors from South Africa, which has high-incidence of S. agalactiae invasive disease, compared to Dutch donors. This assay allows for the characterization of heterogeneity in B cell immunity that may underlie immunization efficacy.
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Affiliation(s)
- Dennis Hoving
- Leiden University Center for Infectious Diseases, Leiden University Medical Center, Leiden, The Netherlands.
| | - Alexandre H C Marques
- Leiden University Center for Infectious Diseases, Leiden University Medical Center, Leiden, The Netherlands
| | - Wesley Huisman
- Leiden University Center for Infectious Diseases, Leiden University Medical Center, Leiden, The Netherlands
| | - Beckley A Nosoh
- Leiden University Center for Infectious Diseases, Leiden University Medical Center, Leiden, The Netherlands
| | - Alicia C de Kroon
- Leiden University Center for Infectious Diseases, Leiden University Medical Center, Leiden, The Netherlands
| | - Oscar R J van Hengel
- Leiden University Center for Infectious Diseases, Leiden University Medical Center, Leiden, The Netherlands
| | - Bing-Ru Wu
- Leiden University Center for Infectious Diseases, Leiden University Medical Center, Leiden, The Netherlands
| | - Rosanne A M Steenbergen
- Leiden University Center for Infectious Diseases, Leiden University Medical Center, Leiden, The Netherlands
| | | | - Britta C Urban
- Department of Clinical Sciences, Liverpool School of Tropical Medicine, Liverpool, UK
- Oxford Vaccine Group, University of Oxford, Oxford, UK
| | - Nisha Dhar
- Vaccines & Infectious Diseases Analytics, University of Witwatersrand, Johannesburg, South Africa
| | - Daniela M Ferreira
- Department of Clinical Sciences, Liverpool School of Tropical Medicine, Liverpool, UK
- Oxford Vaccine Group, University of Oxford, Oxford, UK
| | - Gaurav Kwatra
- Vaccines & Infectious Diseases Analytics, University of Witwatersrand, Johannesburg, South Africa
- Department of Clinical Microbiology, Christian Medical College, Vellore, India
| | - Cornelis H Hokke
- Leiden University Center for Infectious Diseases, Leiden University Medical Center, Leiden, The Netherlands
| | - Simon P Jochems
- Leiden University Center for Infectious Diseases, Leiden University Medical Center, Leiden, The Netherlands.
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Aramburu IV, Hoving D, Vernardis SI, Tin MC, Ioannou M, Temkin MI, De Vasconcelos NM, Demichev V, Helbig ET, Lippert L, Stahl K, White M, Radbruch H, Ihlow J, Horst D, Chiesa ST, Deanfield JE, David S, Bode C, Kurth F, Ralser M, Papayannopoulos V. Functional proteomic profiling links deficient DNA clearance with increased mortality in individuals with severe COVID-19 pneumonia. Immunity 2022; 55:2436-2453.e5. [PMID: 36462503 PMCID: PMC9671605 DOI: 10.1016/j.immuni.2022.11.007] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/15/2022] [Revised: 09/01/2022] [Accepted: 11/15/2022] [Indexed: 11/18/2022]
Abstract
The factors that influence survival during severe infection are unclear. Extracellular chromatin drives pathology, but the mechanisms enabling its accumulation remain elusive. Here, we show that in murine sepsis models, splenocyte death interferes with chromatin clearance through the release of the DNase I inhibitor actin. Actin-mediated inhibition was compensated by upregulation of DNase I or the actin scavenger gelsolin. Splenocyte death and neutrophil extracellular trap (NET) clearance deficiencies were prevalent in individuals with severe COVID-19 pneumonia or microbial sepsis. Activity tracing by plasma proteomic profiling uncovered an association between low NET clearance and increased COVID-19 pathology and mortality. Low NET clearance activity with comparable proteome associations was prevalent in healthy donors with low-grade inflammation, implicating defective chromatin clearance in the development of cardiovascular disease and linking COVID-19 susceptibility to pre-existing conditions. Hence, the combination of aberrant chromatin release with defects in protective clearance mechanisms lead to poor survival outcomes.
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Affiliation(s)
| | - Dennis Hoving
- The Francis Crick Institute, Antimicrobial Defence Laboratory, London, UK
| | - Spyros I. Vernardis
- The Francis Crick Institute, Molecular Biology of Metabolism Laboratory, London, UK
| | - Martha C.F. Tin
- The Francis Crick Institute, Antimicrobial Defence Laboratory, London, UK
| | - Marianna Ioannou
- The Francis Crick Institute, Antimicrobial Defence Laboratory, London, UK
| | - Mia I. Temkin
- The Francis Crick Institute, Antimicrobial Defence Laboratory, London, UK
| | | | - Vadim Demichev
- The Francis Crick Institute, Molecular Biology of Metabolism Laboratory, London, UK
| | - Elisa Theresa Helbig
- Charité – Universitätsmedizin Berlin, Department of Infectious Diseases and Respiratory Medicine, Berlin, Germany
| | - Lena Lippert
- Charité – Universitätsmedizin Berlin, Department of Infectious Diseases and Respiratory Medicine, Berlin, Germany
| | - Klaus Stahl
- Department of Gastroenterology, Hepatology and Endocrinology, Medical School Hannover, Hannover, Germany
| | - Matthew White
- The Francis Crick Institute, Molecular Biology of Metabolism Laboratory, London, UK
| | - Helena Radbruch
- Charité – Universitätsmedizin Berlin, corporate member of Freie Universität Berlin and Humboldt-Universität zu Berlin, Institute of Neuropathology, Charitéplatz 1, 10117 Berlin, Germany
| | - Jana Ihlow
- Charité – Universitätsmedizin Berlin, corporate member of Freie Universität Berlin and Humboldt-Universität zu Berlin, Institute of Pathology, Charitéplatz 1, 10117 Berlin, Germany
| | - David Horst
- Charité – Universitätsmedizin Berlin, corporate member of Freie Universität Berlin and Humboldt-Universität zu Berlin, Institute of Pathology, Charitéplatz 1, 10117 Berlin, Germany
| | - Scott T. Chiesa
- Institute of Cardiovascular Science, University College London, London, UK
| | - John E. Deanfield
- Institute of Cardiovascular Science, University College London, London, UK
| | - Sascha David
- Institute for Intensive Care Medicine, University Hospital Zurich, Zurich, Switzerland
| | - Christian Bode
- Department of Anaesthesiology and Critical Care, University Hospital Bonn, Bonn, Germany
| | - Florian Kurth
- Charité – Universitätsmedizin Berlin, Department of Infectious Diseases and Respiratory Medicine, Berlin, Germany
| | - Markus Ralser
- The Francis Crick Institute, Molecular Biology of Metabolism Laboratory, London, UK,Charité – Universitätsmedizin Berlin, Department of Biochemistry, 10117 Berlin, Germany
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Tsourouktsoglou TD, Warnatsch A, Ioannou M, Hoving D, Wang Q, Papayannopoulos V. Histones, DNA, and Citrullination Promote Neutrophil Extracellular Trap Inflammation by Regulating the Localization and Activation of TLR4. Cell Rep 2020; 31:107602. [DOI: 10.1016/j.celrep.2020.107602] [Citation(s) in RCA: 55] [Impact Index Per Article: 13.8] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/15/2019] [Revised: 12/13/2019] [Accepted: 04/10/2020] [Indexed: 12/29/2022] Open
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