1
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Altorki TA, Abdulal RH, Suliman BA, Aljeraisi TM, Alsharef A, Abdulaal WH, Alfaleh MA, Algaissi AA, Alhabbab RY, Ozbak H, Eid HM, Almutawif YA, Li X, Al-Rabia MW, Zhang Q, Mahmoud AB, Mahallawi WH, Hashem AM. Robust memory humoral immune response to SARS-CoV-2 in the tonsils of adults and children. Front Immunol 2023; 14:1291534. [PMID: 38149243 PMCID: PMC10750384 DOI: 10.3389/fimmu.2023.1291534] [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: 09/09/2023] [Accepted: 11/17/2023] [Indexed: 12/28/2023] Open
Abstract
Background Adaptive humoral immunity against SARS-CoV-2 has mainly been evaluated in peripheral blood. Human secondary lymphoid tissues (such as tonsils) contain large numbers of plasma cells that secrete immunoglobulins at mucosal sites. Yet, the role of mucosal memory immunity induced by vaccines or natural infection against SARS-CoV-2 and its variants is not fully understood. Methods Tonsillar mononuclear cells (TMNCs) from adults (n=10) and children (n=11) were isolated and stimulated using positive SARS-CoV-2 nasal swabs. We used endpoint enzyme-linked immunosorbent assays (ELISAs) for the measurement of anti-S1, -RBD, and -N IgG antibody levels and a pseudovirus microneutralization assay to assess neutralizing antibodies (nAbs) in paired serum and supernatants from stimulated TMNCs. Results Strong systemic humoral response in previously SARS-CoV-2 infected and vaccinated adults and children was observed in accordance with the reported history of the participants. Interestingly, we found a significant increase in anti-RBD IgG (305 and 834 folds) and anti-S1 IgG (475 and 443 folds) in the stimulated TMNCs from adults and children, respectively, compared to unstimulated cells. Consistently, the stimulated TMNCs secreted higher levels of nAbs against the ancestral Wuhan strain and the Omicron BA.1 variant compared to unstimulated cells by several folds. This increase was seen in all participants including children with no known history of infection, suggesting that these participants might have been previously exposed to SARS-CoV-2 and that not all asymptomatic cases necessarily could be detected by serum antibodies. Furthermore, nAb levels against both strains were significantly correlated in adults (r=0.8788; p = 0.0008) and children (r = 0.7521; p = 0.0076), and they strongly correlated with S1 and RBD-specific IgG antibodies. Conclusion Our results provide evidence for persistent mucosal humoral memory in tonsils from previously infected and/or vaccinated adults and children against recent and old variants upon re-exposure. They also highlight the importance of targeting mucosal sites with vaccines to help control infection at the primary sites and prevent potential breakthrough infections.
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Affiliation(s)
- Tarfa A. Altorki
- Vaccines and Immunotherapy Unit, King Fahd Medical Research Center, King Abdulaziz University, Jeddah, Saudi Arabia
- Department of Medical Laboratory Technology, Faculty of Applied Medical Sciences, King Abdulaziz University, Jeddah, Saudi Arabia
| | - Rwaa H. Abdulal
- Vaccines and Immunotherapy Unit, King Fahd Medical Research Center, King Abdulaziz University, Jeddah, Saudi Arabia
| | - Bandar A. Suliman
- Medical Laboratory Technology Department, College of Applied Medical Sciences, Taibah University, Madinah, Saudi Arabia
| | - Talal M. Aljeraisi
- Otorhinolaryngology, Head and Neck Surgery Department, Faculty of Medicine, Taibah University, Madinah, Saudi Arabia
| | - Asem Alsharef
- Vaccines and Immunotherapy Unit, King Fahd Medical Research Center, King Abdulaziz University, Jeddah, Saudi Arabia
- Department of Biochemistry, Faculty of Science, King Abdulaziz University, Jeddah, Saudi Arabia
| | - Wesam H. Abdulaal
- Department of Biochemistry, Faculty of Science, King Abdulaziz University, Jeddah, Saudi Arabia
| | - Mohamed A. Alfaleh
- Vaccines and Immunotherapy Unit, King Fahd Medical Research Center, King Abdulaziz University, Jeddah, Saudi Arabia
- Department of Pharmaceutics, Faculty of Pharmacy, King Abdulaziz University, Jeddah, Saudi Arabia
| | - Abdullah A. Algaissi
- Department of Medical Laboratories Technology, College of Applied Medical Sciences, Jazan University, Jazan, Saudi Arabia
| | - Rowa Y. Alhabbab
- Vaccines and Immunotherapy Unit, King Fahd Medical Research Center, King Abdulaziz University, Jeddah, Saudi Arabia
- Department of Medical Laboratory Technology, Faculty of Applied Medical Sciences, King Abdulaziz University, Jeddah, Saudi Arabia
| | - Hani Ozbak
- Medical Laboratory Technology Department, College of Applied Medical Sciences, Taibah University, Madinah, Saudi Arabia
| | - Hamza Mohammed Eid
- Medical Laboratory Technology Department, College of Applied Medical Sciences, Taibah University, Madinah, Saudi Arabia
| | - Yahya Ahmad Almutawif
- Medical Laboratory Technology Department, College of Applied Medical Sciences, Taibah University, Madinah, Saudi Arabia
| | - Xuguang Li
- Centre for Oncology and Regulatory Research, Biologic and Radiopharmaceutical Drugs Directorate, Health Products and Food Branch, Health Canada and World Health Organization Collaborating Center for Standardization and Evaluation of Biologicals, Ottawa, ON, Canada
- Department of Biochemistry, Microbiology and Immunology, Faculty of Medicine, University of Ottawa, Ottawa, ON, Canada
| | - Mohammed W. Al-Rabia
- Department of Clinical Microbiology and Immunology, Faculty of Medicine, King Abdulaziz University, Jeddah, Saudi Arabia
| | - Qibo Zhang
- Academic and Research Departments, Section of Immunology, School of Biosciences and Medicine University of Surrey, Surrey, United Kingdom
| | - Ahmed Bakur Mahmoud
- Medical Laboratory Technology Department, College of Applied Medical Sciences, Taibah University, Madinah, Saudi Arabia
- Health and Life Research Center, Taibah University, Madinah, Saudi Arabia
| | - Waleed H. Mahallawi
- Medical Laboratory Technology Department, College of Applied Medical Sciences, Taibah University, Madinah, Saudi Arabia
| | - Anwar M. Hashem
- Vaccines and Immunotherapy Unit, King Fahd Medical Research Center, King Abdulaziz University, Jeddah, Saudi Arabia
- Department of Clinical Microbiology and Immunology, Faculty of Medicine, King Abdulaziz University, Jeddah, Saudi Arabia
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2
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Jia G, Ramalingam TR, Heiden JV, Gao X, DePianto D, Morshead KB, Modrusan Z, Ramamoorthi N, Wolters P, Lin C, Khanna D, Arron JR. An interleukin 6 responsive plasma cell signature is associated with disease progression in systemic sclerosis interstitial lung disease. iScience 2023; 26:108133. [PMID: 37867940 PMCID: PMC10585397 DOI: 10.1016/j.isci.2023.108133] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/07/2023] [Revised: 08/14/2023] [Accepted: 09/30/2023] [Indexed: 10/24/2023] Open
Abstract
Systemic sclerosis (SSc) interstitial lung disease (ILD) is among the leading causes of SSc-related morbidity and mortality. Tocilizumab (TCZ, anti-IL6RA) has demonstrated a reduced rate of pulmonary function decline in two phase 2/3 trials (faSScinate and focuSSced) in SSc-ILD patients. We performed transcriptome analysis of skin biopsy samples collected in the studies to decipher gene networks that were potentially associated with clinical responses to TCZ treatment. One module correlated with disease progression showed pharmacodynamic changes with TCZ treatment, and was characterized by plasma cell (PC) genes. PC signature gene expression levels were also significantly increased in both fibrotic SSc and IPF lungs compared to controls. scRNAseq analyses confirmed that PC signature genes were co-expressed in CD38 and CD138 expressing PC subsets in SSc lungs. These data provide insights into the potential role of PC in disease progression and mechanisms of action of TCZ in fibrotic interstitial lung diseases.
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Affiliation(s)
- Guiquan Jia
- Genentech Inc, South San Francisco, CA 94080, USA
| | | | | | - Xia Gao
- Genentech Inc, South San Francisco, CA 94080, USA
| | | | | | | | | | | | - Celia Lin
- Genentech Inc, South San Francisco, CA 94080, USA
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3
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Steinmetz TD, Verstappen GM, Suurmond J, Kroese FGM. Targeting plasma cells in systemic autoimmune rheumatic diseases - Promises and pitfalls. Immunol Lett 2023; 260:44-57. [PMID: 37315847 DOI: 10.1016/j.imlet.2023.06.005] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/03/2023] [Revised: 05/12/2023] [Accepted: 06/10/2023] [Indexed: 06/16/2023]
Abstract
Plasma cells are the antibody secretors of the immune system. Continuous antibody secretion over years can provide long-term immune protection but could also be held responsible for long-lasting autoimmunity in case of self-reactive plasma cells. Systemic autoimmune rheumatic diseases (ARD) affect multiple organ systems and are associated with a plethora of different autoantibodies. Two prototypic systemic ARDs are systemic lupus erythematosus (SLE) and Sjögren's disease (SjD). Both diseases are characterized by B-cell hyperactivity and the production of autoantibodies against nuclear antigens. Analogues to other immune cells, different subsets of plasma cells have been described. Plasma cell subsets are often defined dependent on their current state of maturation, that also depend on the precursor B-cell subset from which they derived. But, a universal definition of plasma cell subsets is not available so far. Furthermore, the ability for long-term survival and effector functions may differ, potentially in a disease-specific manner. Characterization of plasma cell subsets and their specificity in individual patients can help to choose a suitable targeting approach for either a broad or more selective plasma cell depletion. Targeting plasma cells in systemic ARDs is currently challenging because of side effects or varying depletion efficacies in the tissue. Recent developments, however, like antigen-specific targeting and CAR-T-cell therapy might open up major benefits for patients beyond current treatment options.
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Affiliation(s)
- Tobit D Steinmetz
- University of Groningen, University Medical Center Groningen, Groningen, The Netherlands.
| | - Gwenny M Verstappen
- University of Groningen, University Medical Center Groningen, Groningen, The Netherlands
| | - Jolien Suurmond
- Department of Rheumatology, Leiden University Medical Center, Leiden, The Netherlands
| | - Frans G M Kroese
- University of Groningen, University Medical Center Groningen, Groningen, The Netherlands
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4
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Yue W, Liu J, Li X, Wang L, Li J. Memory B cells and long-lived plasma cells in AMR. Ren Fail 2022; 44:1604-1614. [PMID: 36190837 PMCID: PMC9542532 DOI: 10.1080/0886022x.2022.2128374] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/03/2022] Open
Abstract
Antibody-mediated rejection (AMR) has a strongly negative impact on long-term renal allograft survival. Currently, no recognized effective treatments are available, especially for chronic antibody-mediated rejection (CAMR). Donor-specific antibodies (DSAs) secreted by long-lived plasma cells and memory B cells are acknowledged as biomarkers of AMR. Nevertheless, it may be too late for the DSA routine examination production since DSAs may have binded to graft vascular endothelial cells through complement-dependent or complement-independent pathways. Therefore, methods to effectively monitor memory B cells and long-lived plasma cells and subsequently prevent DSA production are key to reducing the adverse effects of AMR. Therefore, this review mainly summarizes the production pathways of memory B cells and long-lived plasma cells and provides suggestions for the prevention of AMR after transplantation.
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Affiliation(s)
- Wenlong Yue
- Kidney Transplantation Unit, The First Affiliated Hospital of Zhengzhou University, Zhengzhou, China
| | - Jia Liu
- Dietetics Teaching and Research Section, Henan Medical College, Xinzheng, People's Republic of China
| | - Xiaohu Li
- Kidney Transplantation Unit, The First Affiliated Hospital of Zhengzhou University, Zhengzhou, China
| | - Luman Wang
- Department of Immunology, School of Basic Medical Sciences, and Institutes of Biomedical Sciences, Fudan University, Shanghai, China
| | - Jinfeng Li
- Kidney Transplantation Unit, The First Affiliated Hospital of Zhengzhou University, Zhengzhou, China
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5
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Pascual-Reguant A, Köhler R, Mothes R, Bauherr S, Hernández DC, Uecker R, Holzwarth K, Kotsch K, Seidl M, Philipsen L, Müller W, Romagnani C, Niesner R, Hauser AE. Multiplexed histology analyses for the phenotypic and spatial characterization of human innate lymphoid cells. Nat Commun 2021; 12:1737. [PMID: 33741932 PMCID: PMC7979823 DOI: 10.1038/s41467-021-21994-8] [Citation(s) in RCA: 20] [Impact Index Per Article: 6.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/05/2020] [Accepted: 02/23/2021] [Indexed: 01/06/2023] Open
Abstract
Innate lymphoid cells (ILCs) emerge in the last few years as important regulators of immune responses and biological processes. Although ILCs are mainly known as tissue-resident cells, their precise localization and interactions with the microenvironment are still unclear. Here we combine a multiplexed immunofluorescence technique and a customized computational, open-source analysis pipeline to unambiguously identify CD127+ ILCs in situ and characterize these cells and their microenvironments. Moreover, we reveal the transcription factor IRF4 as a marker for tonsillar ILC3, and identify conserved stromal landmarks characteristic for ILC localization. We also show that CD127+ ILCs share tissue niches with plasma cells in the tonsil. Our works thus provide a platform for multiparametric histological analysis of ILCs to improve our understanding of ILC biology.
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Affiliation(s)
- Anna Pascual-Reguant
- Charité - Universitätsmedizin Berlin, Department of Rheumatology and Clinical Immunology, 10117, Berlin, Germany
- Immune Dynamics, Deutsches Rheuma-Forschungszentrum (DRFZ), a Leibniz Institute, Charitéplatz 1, 10117, Berlin, Germany
| | - Ralf Köhler
- Immune Dynamics, Deutsches Rheuma-Forschungszentrum (DRFZ), a Leibniz Institute, Charitéplatz 1, 10117, Berlin, Germany
| | - Ronja Mothes
- Charité - Universitätsmedizin Berlin, Department of Rheumatology and Clinical Immunology, 10117, Berlin, Germany
- Immune Dynamics, Deutsches Rheuma-Forschungszentrum (DRFZ), a Leibniz Institute, Charitéplatz 1, 10117, Berlin, Germany
| | - Sandy Bauherr
- Immune Dynamics, Deutsches Rheuma-Forschungszentrum (DRFZ), a Leibniz Institute, Charitéplatz 1, 10117, Berlin, Germany
| | - Daniela C Hernández
- Innate Immunity, Deutsches Rheuma-Forschungszentrum (DRFZ), a Leibniz Institute, Berlin, Germany
| | - Ralf Uecker
- Charité - Universitätsmedizin Berlin, Department of Rheumatology and Clinical Immunology, 10117, Berlin, Germany
- Immune Dynamics, Deutsches Rheuma-Forschungszentrum (DRFZ), a Leibniz Institute, Charitéplatz 1, 10117, Berlin, Germany
| | - Karolin Holzwarth
- Immune Dynamics, Deutsches Rheuma-Forschungszentrum (DRFZ), a Leibniz Institute, Charitéplatz 1, 10117, Berlin, Germany
| | - Katja Kotsch
- Charité - Universitätsmedizin Berlin, Department for General, Visceral and Vascular Surgery, Berlin, Germany
| | - Maximilian Seidl
- Institute for Surgical Pathology, Medical Center-University of Freiburg, Freiburg, Germany
- Institute of Pathology, Heinrich-Heine University and University Hospital of Düsseldorf, Düsseldorf, Germany
| | - Lars Philipsen
- Institute of Molecular and Clinical Immunology, Medical Center, Otto-von-Guericke University Magdeburg, Magdeburg, Germany
| | - Werner Müller
- Miltenyi Biotec B.V. & Co. KG, Bergisch Gladbach, Germany
| | - Chiara Romagnani
- Innate Immunity, Deutsches Rheuma-Forschungszentrum (DRFZ), a Leibniz Institute, Berlin, Germany
- Charité - Universitätsmedizin Berlin, Department of Gastroenterology, Infectiology and Rheumatology, Berlin, Germany
| | - Raluca Niesner
- Biophysical Analysis, Deutsches Rheuma-Forschungszentrum (DRFZ), a Leibniz Institute, Berlin, Germany
- Dynamic and Functional in vivo Imaging, Veterinary Medicine, Freie Universität Berlin, Berlin, Germany
| | - Anja E Hauser
- Charité - Universitätsmedizin Berlin, Department of Rheumatology and Clinical Immunology, 10117, Berlin, Germany.
- Immune Dynamics, Deutsches Rheuma-Forschungszentrum (DRFZ), a Leibniz Institute, Charitéplatz 1, 10117, Berlin, Germany.
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6
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Modeling human adaptive immune responses with tonsil organoids. Nat Med 2021; 27:125-135. [PMID: 33432170 PMCID: PMC7891554 DOI: 10.1038/s41591-020-01145-0] [Citation(s) in RCA: 112] [Impact Index Per Article: 37.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/12/2020] [Accepted: 10/27/2020] [Indexed: 01/28/2023]
Abstract
Most of what we know about adaptive immunity has come from inbred mouse studies, using methods that are often difficult or impossible to confirm in humans. In addition, vaccine responses in mice are often poorly predictive of responses to those same vaccines in humans. Here we use human tonsils, readily available lymphoid organs, to develop a functional organotypic system that recapitulates key germinal center features in vitro, including the production of antigen-specific antibodies, somatic hypermutation and affinity maturation, plasmablast differentiation and class-switch recombination. We use this system to define the essential cellular components necessary to produce an influenza vaccine response. We also show that it can be used to evaluate humoral immune responses to two priming antigens, rabies vaccine and an adenovirus-based severe acute respiratory syndrome coronavirus 2 vaccine, and to assess the effects of different adjuvants. This system should prove useful for studying critical mechanisms underlying adaptive immunity in much greater depth than previously possible and to rapidly test vaccine candidates and adjuvants in an entirely human system.
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7
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Zhang YN, Song J, Zhai GT, Wang H, Luo RZ, Li JX, Liao B, Ma J, Wang H, Lu X, Liu DB, Liu Z. Evidence for the Presence of Long-Lived Plasma Cells in Nasal Polyps. ALLERGY, ASTHMA & IMMUNOLOGY RESEARCH 2020; 12:274-291. [PMID: 32009322 PMCID: PMC6997281 DOI: 10.4168/aair.2020.12.2.274] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 06/23/2019] [Revised: 09/21/2019] [Accepted: 09/25/2019] [Indexed: 12/17/2022]
Abstract
Purpose Plasma cells and immunoglobulins (Igs) play a pivotal role in the induction and maintenance of chronic inflammation in nasal polyps. During secondary immune responses, plasma cell survival and Ig production are regulated by the local environment. The purpose of the present study was to investigate the presence of long-lived plasma cells (LLPCs) and specific survival niches for LLPCs in human nasal polyps. Methods Nasal mucosal samples were cultured with an air-liquid interface system and the Ig levels in culture supernatants were analyzed by enzyme-linked immunosorbent assay. The characteristics of LLPCs in nasal polyps were determined by immunohistochemistry and immunofluorescence. The expression of neurotrophins as well as their receptors was detected by quantitative real-time polymerase chain reaction, immunohistochemistry, immunofluorescence, and Western blotting. Results The numbers of CD138+ total plasma cells and BCL2+ plasma cells were increased in both eosinophilic and non-eosinophilic nasal polyps compared with those in normal tissues. The production of IgG, IgA, and IgE was detected in culture supernatants even after a 32-day culture of nasal polyps. Although the total numbers of plasma cells were decreased in nasal polyps after culture, the numbers of BCL2+ plasma cells remained stable. The expression of nerve growth factor (NGF) as well as tropomyosin receptor kinase (Trk) A, a high-affinity receptor for NGF, was upregulated in both eosinophilic and non-eosinophilic nasal polyps. In addition, BCL2+ plasma cell numbers were positively correlated with NGF and TrkA mRNA expression in nasal mucosal tissues. Polyp plasma cells had the expression of TrkA. Conclusions Human nasal polyps harbor a population of LLPCs and NGF may be involved in their prolonged survival. LLPCs may be a novel therapeutic target for suppressing the local Ig production in nasal polyps.
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Affiliation(s)
- Ya Na Zhang
- Department of Otolaryngology-Head and Neck Surgery, Guangzhou Women and Children's Medical Center, Guangzhou, China.,Department of Otolaryngology-Head and Neck Surgery, Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China
| | - Jia Song
- Department of Otolaryngology-Head and Neck Surgery, Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China
| | - Guan Ting Zhai
- Department of Otolaryngology-Head and Neck Surgery, Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China
| | - Hai Wang
- Department of Otolaryngology-Head and Neck Surgery, Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China
| | - Ren Zhong Luo
- Department of Otolaryngology-Head and Neck Surgery, Guangzhou Women and Children's Medical Center, Guangzhou, China
| | - Jing Xian Li
- Department of Otolaryngology-Head and Neck Surgery, Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China
| | - Bo Liao
- Department of Otolaryngology-Head and Neck Surgery, Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China
| | - Jin Ma
- Department of Otolaryngology-Head and Neck Surgery, Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China
| | - Heng Wang
- Department of Otolaryngology-Head and Neck Surgery, Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China
| | - Xiang Lu
- Department of Otolaryngology-Head and Neck Surgery, Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China
| | - Da Bo Liu
- Department of Otolaryngology-Head and Neck Surgery, Shenzhen Hospital, Southern Medical University, Shenzhen, China
| | - Zheng Liu
- Department of Otolaryngology-Head and Neck Surgery, Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China.
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8
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Nguyen DC, Joyner CJ, Sanz I, Lee FEH. Factors Affecting Early Antibody Secreting Cell Maturation Into Long-Lived Plasma Cells. Front Immunol 2019; 10:2138. [PMID: 31572364 PMCID: PMC6749102 DOI: 10.3389/fimmu.2019.02138] [Citation(s) in RCA: 46] [Impact Index Per Article: 9.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/14/2019] [Accepted: 08/27/2019] [Indexed: 02/06/2023] Open
Abstract
Antibody secreting cells (ASCs) are terminally differentiated cells of the humoral immune response and must adapt morphologically, transcriptionally, and metabolically to maintain high-rates of antibody (Ab) secretion. ASCs differentiate from activated B cells in lymph nodes and transiently circulate in the blood. Most of the circulating ASCs undergo apoptosis, but a small fraction of early ASCs migrate to the bone marrow (BM) and eventually mature into long-lived plasma cells (LLPCs). LLPC survival is controlled both intrinsically and extrinsically. Their differentiation and maintenance programs are governed by many intrinsic mechanisms involving anti-apoptosis, autophagy, and metabolism. The extrinsic factors involved in LLPC generation include BM stromal cells, cytokines, and chemokines, such as APRIL, IL-6, and CXCL12. In humans, the BM CD19−CD38hiCD138+ ASC subset is the main repository of LLPCs, and our recent development of an in vitro BM mimic provides essential tools to study environmental cues that support LLPC survival and the critical molecular mechanisms of maturation from early minted blood ASCs to LLPCs. In this review, we summarize the evidence of LLPC generation and maintenance and provide novel paradigms of LLPC maturation.
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Affiliation(s)
- Doan C Nguyen
- Division of Pulmonary, Allergy, Critical Care, and Sleep Medicine, Department of Medicine, Emory University, Atlanta, GA, United States
| | - Chester J Joyner
- Division of Pulmonary, Allergy, Critical Care, and Sleep Medicine, Department of Medicine, Emory University, Atlanta, GA, United States.,Yerkes National Primate Research Center, Emory University, Atlanta, GA, United States
| | - Iñaki Sanz
- Division of Rheumatology, Department of Medicine, Emory University, Atlanta, GA, United States.,Lowance Center for Human Immunology, Emory University, Atlanta, GA, United States
| | - F Eun-Hyung Lee
- Division of Pulmonary, Allergy, Critical Care, and Sleep Medicine, Department of Medicine, Emory University, Atlanta, GA, United States.,Lowance Center for Human Immunology, Emory University, Atlanta, GA, United States
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9
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Khodadadi L, Cheng Q, Radbruch A, Hiepe F. The Maintenance of Memory Plasma Cells. Front Immunol 2019; 10:721. [PMID: 31024553 PMCID: PMC6464033 DOI: 10.3389/fimmu.2019.00721] [Citation(s) in RCA: 117] [Impact Index Per Article: 23.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/10/2018] [Accepted: 03/18/2019] [Indexed: 12/20/2022] Open
Abstract
It is now well accepted that plasma cells can become long-lived (memory) plasma cells and secrete antibodies for months, years or a lifetime. However, the mechanisms involved in this process of humoral memory, which is crucial for both protective immunity and autoimmunity, still are not fully understood. This article will address a number of open questions. For example: Is longevity of plasma cells due to their intrinsic competence, extrinsic factors, or a combination of both? Which internal signals are involved in this process? What factors provide external support? What survival factors play a part in inflammation and autoreactive disease? Internal and external factors that contribute to the maintenance of memory long-lived plasma cells will be discussed. The aim is to provide useful additional information about the maintenance of protective and autoreactive memory plasma cells that will help researchers design effective vaccines for the induction of life-long protection against infectious diseases and to efficiently target pathogenic memory plasma cells.
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Affiliation(s)
- Laleh Khodadadi
- Deutsches Rheuma-Forschungszentrum Berlin-A Leibniz Institute, Berlin, Germany.,Charité - Universitätsmedizin Berlin, Corporate Member of Freie Universität Berlin, Humboldt-Universität zu Berlin, and Berlin Institute of Health, Campus Charité Mitte, Medizinische Klinik mit Schwerpunkt Rheumatologie und Klinische Immunologie, Berlin, Germany
| | - Qingyu Cheng
- Deutsches Rheuma-Forschungszentrum Berlin-A Leibniz Institute, Berlin, Germany.,Charité - Universitätsmedizin Berlin, Corporate Member of Freie Universität Berlin, Humboldt-Universität zu Berlin, and Berlin Institute of Health, Campus Charité Mitte, Medizinische Klinik mit Schwerpunkt Rheumatologie und Klinische Immunologie, Berlin, Germany
| | - Andreas Radbruch
- Deutsches Rheuma-Forschungszentrum Berlin-A Leibniz Institute, Berlin, Germany
| | - Falk Hiepe
- Deutsches Rheuma-Forschungszentrum Berlin-A Leibniz Institute, Berlin, Germany.,Charité - Universitätsmedizin Berlin, Corporate Member of Freie Universität Berlin, Humboldt-Universität zu Berlin, and Berlin Institute of Health, Campus Charité Mitte, Medizinische Klinik mit Schwerpunkt Rheumatologie und Klinische Immunologie, Berlin, Germany
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10
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Introini A, Vanpouille C, Fitzgerald W, Broliden K, Margolis L. Ex Vivo Infection of Human Lymphoid Tissue and Female Genital Mucosa with Human Immunodeficiency Virus 1 and Histoculture. J Vis Exp 2018. [PMID: 30371673 DOI: 10.3791/57013] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/26/2022] Open
Abstract
Histocultures allow studying intercellular interactions within human tissues, and they can be employed to model host-pathogen interactions under controlled laboratory conditions. Ex vivo infection of human tissues with human immunodeficiency virus (HIV), among other viruses, has been successfully used to investigate early disease pathogenesis, as well as a platform to test the efficacy and toxicity of antiviral drugs. In the present protocol, we explain how to process and infect with HIV-1 tissue explants from human tonsils and cervical mucosae, and maintain them in culture on top of gelatin sponges at the liquid-air interface for about two weeks. This non-polarized culture setting maximizes access to nutrients in culture medium and oxygen, although progressive loss of tissue integrity and functional architectures remains its main limitation. This method allows monitoring HIV-1 replication and pathogenesis using several techniques, including immunoassays, qPCR, and flow cytometry. Of importance, the physiologic variability between tissue donors, as well as between explants from different areas of the same specimen, may significantly affect experimental results. To ensure result reproducibility, it is critical to use an adequate number of explants, technical replicates, and donor-matched control conditions to normalize the results of the experimental treatments when compiling data from multiple experiments (i.e., conducted using tissue from different donors) for statistical analysis.
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Affiliation(s)
- Andrea Introini
- Department of Medicine Solna, Center for Molecular Medicine, Karolinska University Hospital, Karolinska Institutet; Section of Intercellular Interactions, Eunice Shriver National Institute of Child Health and Human Development, National Institutes of Health;
| | - Christophe Vanpouille
- Section of Intercellular Interactions, Eunice Shriver National Institute of Child Health and Human Development, National Institutes of Health
| | - Wendy Fitzgerald
- Section of Intercellular Interactions, Eunice Shriver National Institute of Child Health and Human Development, National Institutes of Health
| | - Kristina Broliden
- Department of Medicine Solna, Center for Molecular Medicine, Karolinska University Hospital, Karolinska Institutet
| | - Leonid Margolis
- Section of Intercellular Interactions, Eunice Shriver National Institute of Child Health and Human Development, National Institutes of Health
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11
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Influence of Plasma Cell Niche Factors on the Recruitment and Maintenance of IRF4hi Plasma Cells and Plasmablasts in Vaccinated, Simian Immunodeficiency Virus-Infected Rhesus Macaques with Low and High Viremia. J Virol 2017; 91:JVI.01727-16. [PMID: 27928009 DOI: 10.1128/jvi.01727-16] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/31/2016] [Accepted: 11/29/2016] [Indexed: 12/30/2022] Open
Abstract
In a recent study, we found that protection following simian immunodeficiency virus (SIV) exposure correlated with rectal plasma cell frequency in vaccinated female rhesus macaques. We sought to determine if the same macaques maintained high mucosal plasma cell frequencies postinfection and if this translated to reduced viremia. Although delayed SIV acquisition did not predict subsequent viral control, alterations existed in the distribution of plasma cells and plasmablasts between macaques that exhibited high or low viremia. Flow cytometric analysis of cells from rectal biopsy specimens, bone marrow, and mesenteric lymph nodes of vaccinated infected, unvaccinated infected, and uninfected macaques identified two main IRF4hi subsets of interest: CD138+ plasma cells, and CD138- plasmablasts. In rectal tissue, plasma cell frequency positively correlated with plasma viremia and unvaccinated macaques had increased plasma cells and plasmablasts compared to vaccinated animals. Likewise, plasmablast frequency in the mesenteric lymph node correlated with viremia. However, in bone marrow, plasmablast frequency negatively correlated with viremia. Accordingly, low-viremic macaques had a higher frequency of both bone marrow IRF4hi subsets than did animals with high viremia. Significant reciprocal relationships between rectal and bone marrow plasmablasts suggested that efficient trafficking to the bone marrow as opposed to the rectal mucosa was linked to viral control. mRNA expression analysis of proteins involved in establishment of plasma cell niches in sorted bone marrow and rectal cell populations further supported this model and revealed differential mRNA expression patterns in these tissues. IMPORTANCE As key antibody producers, plasma cells and plasmablasts are critical components of vaccine-induced immunity to human immunodeficiency virus type 1 (HIV-1) in humans and SIV in the macaque model; however, few have attempted to examine the role of these cells in viral suppression postinfection. Our results suggest that plasmablast trafficking to and retention in the bone marrow play a previously unappreciated role in viral control and contrast the potential contribution of mucosal plasma cells to mediate protection at sites of infection with that of bone marrow plasmablasts and plasma cells to control viremia during chronic infection. Manipulation of niche factors influencing the distribution and maintenance of these critical antibody-secreting cells may serve as potential therapeutic targets to enhance antiviral responses postvaccination and postinfection.
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12
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Peperzak V, Slinger E, Ter Burg J, Eldering E. Functional disparities among BCL-2 members in tonsillar and leukemic B-cell subsets assessed by BH3-mimetic profiling. Cell Death Differ 2016; 24:111-119. [PMID: 27689871 PMCID: PMC5260491 DOI: 10.1038/cdd.2016.105] [Citation(s) in RCA: 26] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/11/2016] [Revised: 08/25/2016] [Accepted: 08/31/2016] [Indexed: 11/30/2022] Open
Abstract
For successful treatment of malignant B-cells it is crucial to understand intrinsic survival requirements in relation to their normal progenitors. Long-lived humoral immunity as well as most B-cell malignancies, originate in the germinal center (GC). Murine GC B-cells depend on pro-survival protein MCL-1, but not BCL-XL. In contrast, naive and memory B-cells depend on BCL-2, but not BCL-XL or MCL-1. For human B-cell subsets, the functional relationships among BCL-2 members are unclear, and also if and how they shift after malignant transformation. We here dissect these aspects in human tonsil and primary leukemia (CLL) cells by single and combined treatment with novel, highly specific BH3-mimetics. We found that MCL-1 expression in GC B-cells is regulated post-translationally and its importance is highlighted by preferential binding to pro-apoptotic BIM. In contrast, BCL-XL is transcriptionally induced and binds solely to weak sensitizer BIK, potentially explaining why BCL-XL is not required for GC B-cell survival. Using novel BH3-mimetics, we found that naive and memory B-cells depend on BCL-2, GC cells predominantly on MCL-1, whereas plasma cells need both BCL-XL and MCL-1 for survival. CLL cells switch from highly sensitive for BCL-2 inhibition to resistant after CD40-stimulation. However, combined inhibition of BCL-2, plus BCL-XL or MCL-1 effectively kills these cells, thus exposing a weakness that may be therapeutically useful. These general principles offer important clues for designing treatment strategies for B-cell malignancies.
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Affiliation(s)
- Victor Peperzak
- Department of Experimental Immunology, Academic Medical Center, University of Amsterdam, Amsterdam, The Netherlands
| | - Erik Slinger
- Department of Experimental Immunology, Academic Medical Center, University of Amsterdam, Amsterdam, The Netherlands.,Department of Hematology, Academic Medical Center, University of Amsterdam, Amsterdam, The Netherlands
| | - Johanna Ter Burg
- Department of Experimental Immunology, Academic Medical Center, University of Amsterdam, Amsterdam, The Netherlands.,Department of Hematology, Academic Medical Center, University of Amsterdam, Amsterdam, The Netherlands
| | - Eric Eldering
- Department of Experimental Immunology, Academic Medical Center, University of Amsterdam, Amsterdam, The Netherlands.,Department of Lymphoma, Myeloma Center Amsterdam, LYMMCARE, Amsterdam, The Netherlands
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13
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Kerkman PF, Kempers AC, van der Voort EIH, van Oosterhout M, Huizinga TWJ, Toes REM, Scherer HU. Synovial fluid mononuclear cells provide an environment for long-term survival of antibody-secreting cells and promote the spontaneous production of anti-citrullinated protein antibodies. Ann Rheum Dis 2016; 75:2201-2207. [PMID: 27069015 DOI: 10.1136/annrheumdis-2015-208554] [Citation(s) in RCA: 21] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/09/2015] [Revised: 01/29/2016] [Accepted: 03/19/2016] [Indexed: 12/22/2022]
Abstract
OBJECTIVES In rheumatoid arthritis (RA), observations point to a crucial role for (autoreactive) B cells in disease pathogenesis. Here, we studied whether cells from the synovial environment impact on the longevity of autoreactive B cell responses against citrullinated antigens. METHODS Synovial fluid mononuclear cells and peripheral blood mononuclear cells (SFMC/PBMC) were obtained from patients with established RA and assessed for the presence of B cell subpopulations. Cells spontaneously secreting anti-citrullinated protein antibodies (ACPA-IgG) directly ex vivo were detected by antigen-specific Enzyme-Linked ImmunoSpot (ELISpot) assay. SFMC and PBMC were cultured to assess the degree of spontaneous ACPA-IgG secretion. Cells surviving for several weeks were characterised by carboxyfluorescein succinimidyl ester (CFSE) labelling and Ki-67 staining. RESULTS Cells spontaneously secreting ACPA-IgG were readily detectable in peripheral blood and synovial fluid (SF) of patients with ACPA-positive RA. SFMC showed an up to 200-fold increase in ex vivo ACPA-IgG secretion compared with PBMC despite lower numbers of B cells in SFMC. ELISpot confirmed the presence of spontaneously ACPA-IgG-secreting cells, accounting for up to 50% (median 12%) of all IgG-secreting cells in SF. ACPA-IgG secretion was remarkably stable in SFMC cultures, maintained upon depletion of the CD20+ B cell compartment and detectable for several months. CFSE labelling and Ki-67 staining confirmed the long-term survival of non-dividing plasma cells (PCs). CONCLUSIONS This study demonstrates a high frequency of differentiated, spontaneously ACPA-IgG-secreting cells in SF. These cells are supported by SFMC for prolonged survival and autoantibody secretion, demonstrating that the synovial compartment is equipped to function as inflammatory niche for PC survival.
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Affiliation(s)
- Priscilla F Kerkman
- Department of Rheumatology, Leiden University Medical Center, Leiden, The Netherlands
| | - Ayla C Kempers
- Department of Rheumatology, Leiden University Medical Center, Leiden, The Netherlands
| | | | | | - Tom W J Huizinga
- Department of Rheumatology, Leiden University Medical Center, Leiden, The Netherlands
| | - René E M Toes
- Department of Rheumatology, Leiden University Medical Center, Leiden, The Netherlands
| | - Hans U Scherer
- Department of Rheumatology, Leiden University Medical Center, Leiden, The Netherlands
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14
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15
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Gomez AM, Willcox N, Vrolix K, Hummel J, Nogales-Gadea G, Saxena A, Duimel H, Verheyen F, Molenaar PC, Buurman WA, De Baets MH, Martinez-Martinez P, Losen M. Proteasome inhibition with bortezomib depletes plasma cells and specific autoantibody production in primary thymic cell cultures from early-onset myasthenia gravis patients. THE JOURNAL OF IMMUNOLOGY 2014; 193:1055-1063. [PMID: 24973445 DOI: 10.4049/jimmunol.1301555] [Citation(s) in RCA: 35] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 12/18/2022]
Abstract
Bortezomib is a potent inhibitor of proteasomes currently used to eliminate malignant plasma cells in multiple myeloma patients. It is also effective in depleting both alloreactive plasma cells in acute Ab-mediated transplant rejection and their autoreactive counterparts in animal models of lupus and myasthenia gravis (MG). In this study, we demonstrate that bortezomib at 10 nM or higher concentrations killed long-lived plasma cells in cultured thymus cells from nine early-onset MG patients and consistently halted their spontaneous production not only of autoantibodies against the acetylcholine receptor but also of total IgG. Surprisingly, lenalidomide and dexamethasone had little effect on plasma cells. After bortezomib treatment, they showed ultrastructural changes characteristic of endoplasmic reticulum stress after 8 h and were no longer detectable at 24 h. Bortezomib therefore appears promising for treating MG and possibly other Ab-mediated autoimmune or allergic disorders, especially when given in short courses at modest doses before the standard immunosuppressive drugs have taken effect.
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Affiliation(s)
- Alejandro M Gomez
- School for Mental Health and Neuroscience, Maastricht University, Maastricht, the Netherlands
| | - Nick Willcox
- Department of Clinical Neurology, University of Oxford, UK
| | - Kathleen Vrolix
- School for Mental Health and Neuroscience, Maastricht University, Maastricht, the Netherlands
| | - Jonas Hummel
- School for Mental Health and Neuroscience, Maastricht University, Maastricht, the Netherlands
| | - Gisela Nogales-Gadea
- School for Mental Health and Neuroscience, Maastricht University, Maastricht, the Netherlands.,Neuromuscular Diseases Unit, Institut de Recerca del Hospital de la Santa Creu i Sant Pau, Universitat Autónoma de Barcelona, Barcelona, Spain
| | - Abhishek Saxena
- School for Mental Health and Neuroscience, Maastricht University, Maastricht, the Netherlands
| | - Hans Duimel
- ELMI Unit-CRISP, Department of Molecular Cell Biology, Maastricht University, Maastricht, the Netherlands
| | - Fons Verheyen
- ELMI Unit-CRISP, Department of Molecular Cell Biology, Maastricht University, Maastricht, the Netherlands
| | - Peter C Molenaar
- School for Mental Health and Neuroscience, Maastricht University, Maastricht, the Netherlands
| | - Wim A Buurman
- School for Mental Health and Neuroscience, Maastricht University, Maastricht, the Netherlands
| | - Marc H De Baets
- School for Mental Health and Neuroscience, Maastricht University, Maastricht, the Netherlands
| | - Pilar Martinez-Martinez
- School for Mental Health and Neuroscience, Maastricht University, Maastricht, the Netherlands
| | - Mario Losen
- School for Mental Health and Neuroscience, Maastricht University, Maastricht, the Netherlands
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16
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Parikh SR, Sadoughi B, Sin S, Willen S, Nandalike K, Arens R. Deep cervical lymph node hypertrophy: a new paradigm in the understanding of pediatric obstructive sleep apnea. Laryngoscope 2013; 123:2043-9. [PMID: 23666635 DOI: 10.1002/lary.23748] [Citation(s) in RCA: 14] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/26/2012] [Revised: 07/16/2012] [Accepted: 08/24/2012] [Indexed: 11/10/2022]
Abstract
OBJECTIVES/HYPOTHESIS To determine if adenotonsillar hypertrophy is an isolated factor in pediatric obstructive sleep apnea (OSA), or if it is part of larger spectrum of cervical lymphoid hypertrophy. STUDY DESIGN Prospective case control study. METHODS A total of 70 screened patients (mean age 7.47 years) underwent polysomnography to confirm OSA, and then underwent MRI of the upper airway. Seventy-six matched controls (mean age 8.00 years) who already had an MRI underwent polysomnography. Volumetric analysis of lymphoid tissue volumes was carried out. Chi-square analysis and Student's t test were used to compare demographic data and lymph node volumes between cohorts. Fisher's Exact test and Chi-square analysis were used to compare sleep data. RESULTS Patients and controls demonstrated no significant difference in mean age (7.47 vs. 8.00 yrs), weight (44.87 vs. 38.71 kg), height (124.68 vs. 127.65 cm), or body-mass index (23.63 vs. 20.87 kg/m(2)). OSA patients demonstrated poorer sleep measures than controls (P < 0.05) in all polysomnography categories (sleep efficiency, apnea index, apnea-hypopnea index, baseline SpO2, SpO2 nadir, baseline ETCO2, peak ETCO2 , and arousal awakening index). Children with OSA had higher lymphoid tissue volumes than controls in the retropharyngeal region (3316 vs. 2403 mm(3), P < 0.001), upper jugular region (22202 vs. 16819 mm(3), P < 0.005), and adenotonsillar region (18994 vs. 12675 mm(3), P < 0.0001). CONCLUSIONS Children with OSA have larger volumes of deep cervical lymph nodes and adenotonsillar tissue than controls. This finding suggests a new paradigm in the understanding of pediatric OSA, and has ramifications for future research and clinical care.
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Affiliation(s)
- Sanjay R Parikh
- Department of Otolaryngology-Head and Neck Surgery, Seattle Children's Hospital-University of Washington School of Medicine, Seattle, Washington 98105, USA.
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17
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Teng YKO, Wheater G, Hogan VE, Stocks P, Levarht EWN, Huizinga TWJ, Toes REM, van Laar JM. Induction of long-term B-cell depletion in refractory rheumatoid arthritis patients preferentially affects autoreactive more than protective humoral immunity. Arthritis Res Ther 2012; 14:R57. [PMID: 22409963 PMCID: PMC3446423 DOI: 10.1186/ar3770] [Citation(s) in RCA: 39] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/14/2011] [Revised: 02/19/2012] [Accepted: 03/12/2012] [Indexed: 01/20/2023] Open
Abstract
Introduction B-cell depletion has become a common treatment strategy in anti-TNF-refractory rheumatoid arthritis (RA). Although the exact mechanism of how B-cell depletion leads to clinical amelioration in RA remains to be elucidated, repetitive treatment with B-cell-depleting agents leading to long-term B-cell depletion has been reported to be beneficial. The latter has led to the hypothesis that the beneficial effects of B-cell depletion might act through their influence on pathogenic autoreactive plasma cells. Methods In this study, we investigated the effects of a fixed retreatment regimen with anti-CD20 mAbs on the humoral (auto)immune system in a cohort of therapy-refractory RA patients. Results Fixed retreatment led to long-term B-cell depletion in peripheral blood, bone marrow and, to a lesser extent, synovium. Also, pathologic autoantibody secretion (that is, anticitrullinated peptide antibodies (ACPAs)) was more profoundly affected by long-term depletion than by physiological protective antibody secretion (that is, against measles, mumps and rubella). This was further illustrated by a significantly shorter estimated life span of ACPA-IgG secretion compared to total IgG secretion as well as protective antibody secretion. Conclusion By studying plasma cell function during an extensive 2-year period of B-cell depletion, autoantibody secretion was significantly shorter-lived than physiologically protective antibody secretion. This suggests that the longevity of autoreactive plasma cells is different from protective long-lived plasma cells and might indicate a therapeutic window for therapies that target plasma cells.
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Affiliation(s)
- Y K Onno Teng
- Department of Rheumatology, C1-R, Leiden University Medical Center, PO Box 9600, NL-2300 RC Leiden, The Netherlands.
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Mesin L, Di Niro R, Thompson KM, Lundin KEA, Sollid LM. Long-lived plasma cells from human small intestine biopsies secrete immunoglobulins for many weeks in vitro. THE JOURNAL OF IMMUNOLOGY 2011; 187:2867-74. [PMID: 21841131 DOI: 10.4049/jimmunol.1003181] [Citation(s) in RCA: 67] [Impact Index Per Article: 5.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/19/2022]
Abstract
To understand the biology of Ab-secreting cells in the human small intestine, we examined Ab production of intestinal biopsies kept in culture. We found sustained IgA and IgM secretion as well as viable IgA- or IgM-secreting cells after >4 wk of culture. The Ab-secreting cells were nonproliferating and expressing CD27 and CD138, thus having a typical plasma cell phenotype. Culturing of biopsies without tissue disruption gave the highest Ab production and plasma cell survival suggesting that the environment regulates plasma cell longevity. Cytokine profiling of the biopsy cultures demonstrated a sustained presence of IL-6 and APRIL. Blocking of the activity of endogenous APRIL and IL-6 with BCMA-Fc and anti-human IL-6 Ab demonstrated that both these factors were essential for plasma cell survival and Ab secretion in the biopsy cultures. This study demonstrates that the human small intestine harbors a population of nonproliferating plasma cells that are instructed by the microenvironment for prolonged survival and Ab secretion.
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Affiliation(s)
- Luka Mesin
- Center for Immune Regulation, University of Oslo, Q3 N-0027 Oslo, Norway.
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19
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Long-lived autoreactive plasma cells drive persistent autoimmune inflammation. Nat Rev Rheumatol 2011; 7:170-8. [DOI: 10.1038/nrrheum.2011.1] [Citation(s) in RCA: 253] [Impact Index Per Article: 19.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/07/2023]
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20
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Gururajan M, Haga CL, Das S, Leu CM, Hodson D, Josson S, Turner M, Cooper MD. MicroRNA 125b inhibition of B cell differentiation in germinal centers. Int Immunol 2010; 22:583-92. [PMID: 20497960 DOI: 10.1093/intimm/dxq042] [Citation(s) in RCA: 127] [Impact Index Per Article: 9.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/15/2022] Open
Abstract
MicroRNAs 125a and 125b are predicted to be able to bind to the B lymphocyte-induced maturation protein-1 (BLIMP-1) and IFN regulatory protein-4 (IRF-4) transcription factors, which are essential for plasma cell differentiation. A computational survey of the human and mouse genomes revealed that miR-125a and miR-125b are members of a multigene family located in paralogous clusters. The miR-125a cluster on chromosome 19 in humans includes miR-99b and let-7e, whereas the miR-125b cluster on chromosome 21 includes miR-99a and miR-let-7c. Our analysis of the expression profiles for these six miRs during B lineage differentiation indicated that mature miR-125a, miR-125b, miR-99b and let-7e transcripts are preferentially expressed by the actively dividing centroblasts in germinal centers (GC). However, miR-99b and let-7e are not predicted to bind BLIMP-1 or IRF-4 transcripts, and binding to the untranslated region of BLIMP-1 and IRF-4 messenger RNAs could be confirmed only for miR-125b. When the effect of miR-125b over-expression on terminal B cell differentiation was evaluated in an LPS-responsive B cell line, the induction of BLIMP-1 expression and IgM secretion was inhibited in this model system. Furthermore, miR-125b over-expression inhibited the differentiation of primary B cells and compromised the survival of cultured myeloma cells. These findings suggest that miR-125b promotes B lymphocyte diversification in GC by inhibiting premature utilization of essential transcription factors for plasma cell differentiation.
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Affiliation(s)
- Murali Gururajan
- Department of Pathology and Laboratory Medicine, Emory University, 1462 Clifton Road NE, DSB 403, Atlanta, GA 30322, USA
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Ratomski K, Zelazowska-Rutkowska B, Wysocka J, Skotnicka B, Kasprzycka E, Hassmann-Poznańska E. [Expression CD27 on T and B lymphocytes in hypertrophied adenoids at children with otitis media with effusion]. Otolaryngol Pol 2009; 63:264-70. [PMID: 19886534 DOI: 10.1016/s0030-6657(09)70120-9] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/18/2022]
Abstract
INTRODUCTION Adenoid has particular meaning to develop of immunological response to inflammations in upper respiratory inclusive middle ear. The mining of antigen CD27 on lymphocytes T and B in creation of memory cells is still unclear. AIM CD27 on lymphocytes T and B has a crucial role in development of immune response against inflammatory state. Aim of this study was evaluation functions of lymhocytes with expression CD27 in hypertrophied adenoid in children with otitis media with effusion. MATERIAL AND METHODS [corrected] We tested 24 children in examine group with hypertrophied adenoid and otitis media with effusion (OME), and 29 children in comparative group only with hypertrophied adenoid (HA). We also divided both groups into two groups, above 5 and over 5 years old. We made the research by flow cytometry method. We used anty-CD19, anty-CD3, anty-CD5 and anty-CD27 monoclonal antibodies to examinations. RESULTS We showed the lowest percentage lymphocytes B CD5+ with expression of CD27 in subgroup older children with otitis media with effusion (O.M.E. 22.43 +/- 2.66%) in compartative to younger children in the same group (15.96 +/- 5.31%; p < 0.005) and to older comparative subgroup (H.A. 15.50 +/- 8.03; p < 0.001). Percentages of B CD5 cells with expression of CD27 was statistical lower in examinated group (7.25 +/- 3.81) than in comparative group (H.A. 16.26 +/- 5.82; p < 0.04). In group with hypertrophied adenoid showed higher percentages of CD5-CD27+CD19+ cells both in younger and older supgroup than in equivalent supgroups with O.M.E. CONCLUSIONS Iteraction of CD27-CD70 regulates many functions of T and B lymphocytes. It seems that disorders humoral immunologucal answer in hypertrophied adenoids are supported to develop of otitis media with effusion.
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Affiliation(s)
- Karol Ratomski
- Zakład Laboratoryjnej Diagnostyki Pediatrycznej Uniwersytetu Medycznego w Białymstoku.
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Bromage E, Stephens R, Hassoun L. The third dimension of ELISPOTs: quantifying antibody secretion from individual plasma cells. J Immunol Methods 2009; 346:75-9. [PMID: 19465022 DOI: 10.1016/j.jim.2009.05.005] [Citation(s) in RCA: 15] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/31/2009] [Accepted: 05/15/2009] [Indexed: 01/24/2023]
Abstract
The enzyme-linked immunospot assay (ELISPOT) is a technique widely used to enumerate the number of immune cells secreting a specific protein, such as antibodies or cytokines. A limitation with the ELISPOT assay is that it can only be used to detect a single protein of interest. Recently, the ELISPOT technique has been modified to use fluorophores allowing multiple secreted proteins to be detected simultaneously. This technique has greatly enhanced the ability to identify cells secreting multiple proteins, but has not been used to its fullest potential. We wished to accurately quantify the expression of antigen-specific antibody from a single plasma cell and to determine whether plasma cells recovered from different locations had different secretion rates. To achieve this we analyzed fluorospot images quantitatively using Mira MX 7 UL Astronomy software, and coupled this data with a quantitative ELISA to determine secretion rates from individual cells. Using this technique we were able to determine that plasma cells recovered from the peripheral blood secreted the most antibody (1.667 ng/cell/12 h) while splenic antibody secreting cells the least (0.399 ng/cell/12 h). We were able to quantify a 150 fold difference in antibody secretion between cells, with most plasma cells divided into two groups, low secretors (<0.1 ng/cell) or high secretors (>2 ng/cell). We believe this technique will be particularly useful for examining the secretion ratio of two proteins secreted from an individual cell, allowing us to determine if secretion is fixed or variable.
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Affiliation(s)
- Erin Bromage
- Department of Biology, University of Massachusetts Dartmouth, North Dartmouth, MA 02747, USA.
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Del Prete G, Santi L, Andrianaivoarimanana V, Amedei A, Domarle O, D' Elios MM, Arntzen CJ, Rahalison L, Mason HS. Plant-derived recombinant F1, V, and F1-V fusion antigens of Yersinia pestis activate human cells of the innate and adaptive immune system. Int J Immunopathol Pharmacol 2009; 22:133-43. [PMID: 19309560 DOI: 10.1177/039463200902200115] [Citation(s) in RCA: 15] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/16/2023] Open
Abstract
Plague is still endemic in different regions of the world. Current vaccines raise concern for their side effects and limited protection, highlighting the need for an efficacious and rapidly producible vaccine. F1 and V antigens of Yersinia pestis, and F1-V fusion protein produced in Nicotiana benthamiana administered to guinea pigs resulted in immunity and protection against an aerosol challenge of virulent Y. pestis. We examined the effects of plant-derived F1, V, and F1-V on human cells of the innate immunity. F1, V, and F1-V proteins engaged TLR2 signalling and activated IL-6 and CXCL-8 production by monocytes, without affecting the expression of TNF-alpha, IL-12, IL-10, IL-1beta, and CXCL10. Native F1 antigen and recombinant plant-derived F1 (rF1) and rF1-V all induced similar specific T-cell responses, as shown by their recognition by T-cells from subjects who recovered from Y. pestis infection. Native F1 and rF1 were equally well recognized by serum antibodies of Y. pestis-primed donors, whereas serological reactivity to rF1-V hybrid was lower, and that to rV was virtually absent. In conclusion, plant-derived F1, V, and F1-V antigens are weakly reactogenic for human monocytes and elicit cell-mediated and humoral responses similar to those raised by Y. pestis infection.
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Affiliation(s)
- G Del Prete
- Department of Internal Medicine, University of Florence and Department of Biomedicine, Azienda Ospedaliera Universitaria Careggi, Florence, Italy.
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Fecteau JF, Roy A, Néron S. Peripheral blood CD27+ IgG+ B cells rapidly proliferate and differentiate into immunoglobulin-secreting cells after exposure to low CD154 interaction. Immunology 2008; 128:e353-65. [PMID: 19016905 DOI: 10.1111/j.1365-2567.2008.02976.x] [Citation(s) in RCA: 25] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/22/2023] Open
Abstract
In vitro CD40 stimulation of human B cells isolated from lymphoid organs is dominated by memory B cells undergoing faster proliferation and higher differentiation than naive B cells. In contrast, we previously reported that blood memory B cells mainly differentiate into immunoglobulin-secreting cells in response to CD40 stimulation. However, variations in CD40-CD154 interaction are now recognized to influence B-cell fate. In this study, we have compared the in vitro response of blood CD27(-) and CD27(-) IgG(-) to CD27(+) and CD27(+) IgG(+) B cells following low-density exposure to CD154 in the presence of a mixture of interleukin-2 (IL-2), IL-4 and IL-10. The evolution of these cell populations was monitored during initiation and following long-term stimulation. Over a 5-day period, CD27(+) B cells underwent differentiation into immunoglobulin-secreting cells more readily than CD27(-) cells, and CD27(+) IgG(+) B cells gave rise to a near homogeneous population of CD19(+) CD27(++) CD38(+) IgG(lo) cells capable of high immunoglobulin G (IgG) secretion. During the same period, CD27(-) IgG(-) B cells partially became CD19(++) CD27(-) CD38(-) IgG(++) cells but showed no IgG secretion. Long-term stimulation revealed that CD27(+) IgG(+) B cells retained a high expansion capacity and could maintain their momentum towards differentiation over naive B cells. In addition, long-term stimulation was driving CD27(-) IgG(-) and total CD19(+) B cells to evolve into similar CD27(+) and CD27(-) subsets, suggesting naive homeostatic proliferation. Overall, these results tend to reconcile memory B cells from blood and lymphoid organs regarding their preferential differentiation capacity compared to naive cells, and further suggest that circulating memory IgG(+) cells may be intrinsically prone to rapid activation upon appropriate stimulation.
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Affiliation(s)
- Jessie F Fecteau
- Héma-Québec, Ingénierie cellulaire, Recherche et développement, Québec, Canada
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Gordon JN, Pickard KM, Di Sabatino A, Prothero JD, Pender SLF, Goggin PM, MacDonald TT. Matrix metalloproteinase-3 production by gut IgG plasma cells in chronic inflammatory bowel disease. Inflamm Bowel Dis 2008; 14:195-203. [PMID: 18022869 DOI: 10.1002/ibd.20302] [Citation(s) in RCA: 43] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 12/17/2022]
Abstract
BACKGROUND In both ulcerative colitis (UC) and Crohn's disease (CD) there is a marked increase in mucosal IgG plasma cells (PC), although their precise role is not well established. In this study we isolated gut PCs from patients with IBD and normal controls and analyzed cytokine production, matrix metalloproteinase (MMP)-3 and tissue inhibitor of metalloproteinase (TIMP)-1 production, and PC longevity ex vivo. METHODS Lamina propria mononuclear cells (LPMCs) were isolated from patients with CD (n = 19), UC (n = 27), and normal controls (n = 42). PCs were further selected by immunomagnetic isolation using CD138 microbeads. Cytokine, MMP-3, and TIMP-1 expression was investigated by Taqman polymerase chain reaction (PCR), enzyme-linked immunosorbent assay (ELISA), Western blotting, and confocal microscopy. PC lifespan in vitro was studied by ELISpot analysis. RESULTS PCs from both controls and IBD patients contained high levels of transcripts for TGFbeta, whereas they did not contain significant transcripts for IL-4, IL-5, IL-10, IFNgamma, TNF, or IL-12p40. PCs from patients with CD and UC expressed significantly higher levels of MMP-3 protein and transcripts than controls (P < 0.0001). The vast majority of MMP-3-expressing PCs were IgG+ve. In culture, IgA PCs from both IBD patients and controls persisted for only a few days, but IgG PCs from IBD patients persisted for at least 3 weeks. CONCLUSIONS We have demonstrated that IgG PCs from patients with IBD express large amounts of MMP-3 and that they appear to be long-lived. These results identify a new pathway by which IgG PCs may damage the gut.
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Affiliation(s)
- John N Gordon
- Division of Infection, Inflammation and Repair, University of Southampton, School of Medicine, Southampton, UK.
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