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Mohammed AD, Ball RAW, Jolly A, Nagarkatti P, Nagarkatti M, Kubinak JL. Studying the cellular basis of small bowel enteropathy using high-parameter flow cytometry in mouse models of primary antibody deficiency. Front Immunol 2024; 15:1278197. [PMID: 38803492 PMCID: PMC11128607 DOI: 10.3389/fimmu.2024.1278197] [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: 08/15/2023] [Accepted: 03/28/2024] [Indexed: 05/29/2024] Open
Abstract
Background Primary immunodeficiencies are heritable defects in immune system function. Antibody deficiency is the most common form of primary immunodeficiency in humans, can be caused by abnormalities in both the development and activation of B cells, and may result from B-cell-intrinsic defects or defective responses by other cells relevant to humoral immunity. Inflammatory gastrointestinal complications are commonly observed in antibody-deficient patients, but the underlying immune mechanisms driving this are largely undefined. Methods In this study, several mouse strains reflecting a spectrum of primary antibody deficiency (IgA-/-, Aicda-/-, CD19-/- and JH -/-) were used to generate a functional small-bowel-specific cellular atlas using a novel high-parameter flow cytometry approach that allows for the enumeration of 59 unique cell subsets. Using this cellular atlas, we generated a direct and quantifiable estimate of immune dysregulation. This estimate was then used to identify specific immune factors most predictive of the severity of inflammatory disease of the small bowel (small bowel enteropathy). Results Results from our experiments indicate that the severity of primary antibody deficiency positively correlates with the degree of immune dysregulation that can be expected to develop in an individual. In the SI of mice, immune dysregulation is primarily explained by defective homeostatic responses in T cell and invariant natural killer-like T (iNKT) cell subsets. These defects are strongly correlated with abnormalities in the balance between protein (MHCII-mediated) versus lipid (CD1d-mediated) antigen presentation by intestinal epithelial cells (IECs) and intestinal stem cells (ISCs), respectively. Conclusions Multivariate statistical approaches can be used to obtain quantifiable estimates of immune dysregulation based on high-parameter flow cytometry readouts of immune function. Using one such estimate, we reveal a previously unrecognized tradeoff between iNKT cell activation and type 1 immunity that underlies disease in the small bowel. The balance between protein/lipid antigen presentation by ISCs may play a crucial role in regulating this balance and thereby suppressing inflammatory disease in the small bowel.
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Affiliation(s)
| | | | | | | | | | - Jason L. Kubinak
- Pathology, Microbiology, and Immunology Department, University of South Carolina School of Medicine, Columbia, SC, United States
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2
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Viallard JF, Lescure M, Oksenhendler E, Blanco P, Visentin J, Parrens M. STAT expression and TFH1 cells in CVID granulomatosis and sarcoidosis: immunological and histopathological comparisons. Virchows Arch 2024; 484:481-490. [PMID: 37924346 DOI: 10.1007/s00428-023-03684-6] [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: 07/24/2023] [Revised: 10/10/2023] [Accepted: 10/22/2023] [Indexed: 11/06/2023]
Abstract
Granulomatous disease is a serious complication of common variable immunodeficiency (CVID-GD) that occurs in 8-22% of these patients and can mimic sarcoidosis, with which it shares certain clinical, biological, and radiological features. However, few studies to date have compared the two pathologies immunologically and histologically. Therefore, we analyzed the immunological-histological findings for different tissue samples from ten patients with CVID-GD and compared them to those of biopsy-proven sarcoidosis. Specifically, we wanted to know whether or not the signaling abnormalities observed in sarcoidosis granulomas are also present in CVID-GD. Morphological differences were found between CVID-GD histology and classical sarcoidosis: mainly, the former's notable lymphoid hyperplasia associated with granulomas not observed in the latter. All CVID-GD involved organs contained several follicular helper-T (TFH) cells within the granulomatosis, while those cells were inconstantly and more weakly expressed in sarcoidosis. Moreover, CVID and sarcoidosis granulomas expressed the phosphorylated-signal transducer and activator of transcription (pSTAT)1 and pSTAT3 factors, regardless of the organ studied and without any significant difference between entities. Our results suggest that the macrophage-activation mechanism in CVID resembles that of sarcoidosis, thereby suggesting that Janus kinase (JAK)-STAT-pathway blockade might be useful in currently difficult-to-treat CVID-GD.
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Affiliation(s)
- Jean-François Viallard
- Internal Medicine Department, Hôpital Haut-Lévêque, Bordeaux University Hospital, Avenue de Magellan, 33604, Pessac, France.
| | - Maëlig Lescure
- Internal Medicine Department, Hôpital Haut-Lévêque, Bordeaux University Hospital, Avenue de Magellan, 33604, Pessac, France
| | - Eric Oksenhendler
- Clinical Immunology Department, Saint-Louis Paris Diderot University Hospital, Paris, France
| | - Patrick Blanco
- Centre Hospitalier Universitaire de Bordeaux, Service d'Immunologie Et Immunogénétique FHU ACRONIM, Hôpital Pellegrin, Place Amélie-Raba-Léon, Bordeaux, France
| | - Jonathan Visentin
- Centre Hospitalier Universitaire de Bordeaux, Service d'Immunologie Et Immunogénétique FHU ACRONIM, Hôpital Pellegrin, Place Amélie-Raba-Léon, Bordeaux, France
| | - Marie Parrens
- Pathology Department, Hôpital du Haut-Lévêque, Bordeaux University Hospital, Avenue de Magellan, Pessac, France
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Mohammed AD, Ball RAW, Jolly A, Nagarkatti P, Nagarkatti M, Kubinak JL. Studying the cellular basis of small bowel enteropathy using high-parameter flow cytometry in mouse models of primary antibody deficiency. BIORXIV : THE PREPRINT SERVER FOR BIOLOGY 2024:2024.01.25.577009. [PMID: 38352330 PMCID: PMC10862736 DOI: 10.1101/2024.01.25.577009] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 03/22/2024]
Abstract
Background Primary immunodeficiencies are heritable defects in immune system function. Antibody deficiency is the most common form of primary immunodeficiency in humans, can be caused by abnormalities in both the development and activation of B cells, and may result from B-cell-intrinsic defects or defective responses by other cells relevant to humoral immunity. Inflammatory gastrointestinal complications are commonly observed in antibody-deficient patients, but the underlying immune mechanisms driving this are largely undefined. Methods In this study, several mouse strains reflecting a spectrum of primary antibody deficiency (IgA -/- , Aicda -/- , CD19 -/- and J H -/- ) were used to generate a functional small-bowel-specific cellular atlas using a novel high-parameter flow cytometry approach that allows for the enumeration of 59 unique cell subsets. Using this cellular atlas, we generated a direct and quantifiable estimate of immune dysregulation. This estimate was then used to identify specific immune factors most predictive of the severity of inflammatory disease of the small bowel (small bowel enteropathy). Results Results from our experiments indicate that the severity of primary antibody deficiency positively correlates with the degree of immune dysregulation that can be expected to develop in an individual. In the SI of mice, immune dysregulation is primarily explained by defective homeostatic responses in T cell and invariant natural killer-like T (iNKT) cell subsets. These defects are strongly correlated with abnormalities in the balance between protein (MHCII-mediated) versus lipid (CD1d-mediated) antigen presentation by intestinal epithelial cells (IECs) and intestinal stem cells (ISCs), respectively. Conclusions Multivariate statistical approaches can be used to obtain quantifiable estimates of immune dysregulation based on high-parameter flow cytometry readouts of immune function. Using one such estimate, we reveal a previously unrecognized tradeoff between iNKT cell activation and type 1 immunity that underlies disease in the small bowel. The balance between protein/lipid antigen presentation by ISCs may play a crucial role in regulating this balance and thereby suppressing inflammatory disease in the small bowel.
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4
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Nyström S, Hultberg J, Blixt E, Nilsdotter-Augustinsson Å, Larsson M. Plasma Levels of mir-34a-5p Correlate with Systemic Inflammation and Low Naïve CD4 T Cells in Common Variable Immunodeficiency. J Clin Immunol 2023; 44:21. [PMID: 38129593 PMCID: PMC10739380 DOI: 10.1007/s10875-023-01618-0] [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: 08/14/2023] [Accepted: 11/10/2023] [Indexed: 12/23/2023]
Abstract
PURPOSE Common variable immunodeficiency (CVID) is a primary antibody deficiency that commonly manifests as recurrent infections. Many CVID patients also suffer from immune dysregulation, an inflammatory condition characterized by polyclonal lymphocytic tissue infiltration and associated with increased morbidity and mortality. The genetic cause is unknown in most CVID patients and epigenetic alterations may contribute to the broad range of clinical manifestations. MicroRNAs are small non-coding RNAs that are involved in epigenetic modulation and may contribute to the clinical phenotype in CVID. METHODS Here, we determined the circulating microRNAome and plasma inflammatory proteins of a cohort of CVID patients with various levels of immune dysregulation and compared them to healthy controls. A set of deregulated microRNAs was validated by qPCR and correlated to inflammatory proteins and clinical findings. RESULTS Levels of microRNA-34a correlated with 11 proteins such as CXCL9, TNF, and IL10, which were predicted to be biologically connected. Moreover, there was a negative correlation between mir-34 levels and the number of naïve CD4 T cells in CVID. CONCLUSION Collectively, our data show that microRNAs correlate with the inflammatory response in CVID. Further investigations are needed to elucidate the role of miRNAs in the development of CVID-related immune dysregulation.
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Affiliation(s)
- Sofia Nyström
- Department of Clinical Immunology and Transfusion Medicine, and Department of Biomedical and Clinical Sciences, Linköping University, S-58185, Linköping, Sweden.
- Division of Molecular Medicine and Virology, Department of Biomedical and Clinical Sciences, Linköping University, Linköping, Sweden.
| | - Jonas Hultberg
- Division of Molecular Medicine and Virology, Department of Biomedical and Clinical Sciences, Linköping University, Linköping, Sweden
| | - Emelie Blixt
- Department of Clinical Immunology and Transfusion Medicine, and Department of Biomedical and Clinical Sciences, Linköping University, S-58185, Linköping, Sweden
| | - Åsa Nilsdotter-Augustinsson
- Division of Inflammation and Infection, Department of Biomedical and Clinical Sciences, Linköping University, Linköping, Sweden
| | - Marie Larsson
- Division of Molecular Medicine and Virology, Department of Biomedical and Clinical Sciences, Linköping University, Linköping, Sweden
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Hultberg J, Blixt E, Göransson R, Adolfsson J, Govender M, Larsson M, Nilsdotter-Augustinsson Å, Ernerudh J, Nyström S. In-depth immune profiling reveals advanced B- and T-cell differentiation to be associated with Th1-driven immune dysregulation in common variable immunodeficiency. Clin Immunol 2023; 257:109816. [PMID: 37918468 DOI: 10.1016/j.clim.2023.109816] [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: 06/07/2023] [Revised: 10/25/2023] [Accepted: 10/27/2023] [Indexed: 11/04/2023]
Abstract
Common variable immunodeficiency (CVID) is an inborn error of immunity characterized by low levels of antibodies. In addition to infections, many patients also suffer from T-helper 1-driven immune dysregulation, which is associated with increased mortality. The aim of this study was to perform in-depth characterization of the T and the B cell compartments in a well-defined cohort of patients affected by CVID and correlate the findings to the level of clinical immune dysregulation. We used mass cytometry, targeted proteomics, flow cytometry and functional assays to delineate the immunological phenotype of 15 CVID-affected patients with different levels of immune dysregulation. Unbiased clustering of T cell mass cytometry data correlated with CVID-related immune dysregulation and plasma protein profiles. Expanded CXCR3+ T-bet-expressing B cells correlated with effector memory CD4+ T cell clusters, and increased plasma levels of CXCR3-ligands. Our findings indicate an interplay between B cells and T cells in CVID-related immune dysregulation and provide a better understanding of the underlying pathological mechanisms.
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Affiliation(s)
- Jonas Hultberg
- Division of Molecular Medicine and Virology, Department of Biomedical and Clinical Sciences, Linköping University, Sweden
| | - Emelie Blixt
- Department of Clinical Immunology and Transfusion Medicine, and Department of Biomedical and Clinical Sciences, Linköping University, Sweden
| | - Robin Göransson
- Department of Clinical Immunology and Transfusion Medicine, and Department of Biomedical and Clinical Sciences, Linköping University, Sweden
| | - Jörgen Adolfsson
- Division of Molecular Medicine and Virology, Department of Biomedical and Clinical Sciences, Linköping University, Sweden
| | - Melissa Govender
- Division of Molecular Medicine and Virology, Department of Biomedical and Clinical Sciences, Linköping University, Sweden
| | - Marie Larsson
- Division of Molecular Medicine and Virology, Department of Biomedical and Clinical Sciences, Linköping University, Sweden
| | - Åsa Nilsdotter-Augustinsson
- Division of Inflammation and Infection, Department of Biomedical and Clinical Sciences, Linköping University, Sweden
| | - Jan Ernerudh
- Department of Clinical Immunology and Transfusion Medicine, and Department of Biomedical and Clinical Sciences, Linköping University, Sweden
| | - Sofia Nyström
- Department of Clinical Immunology and Transfusion Medicine, and Department of Biomedical and Clinical Sciences, Linköping University, Sweden.
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Torres-Valle A, Aragon L, Silva SL, Serrano C, Marcos M, Melero J, Bonroy C, Arenas-Caro PP, Casado DM, Olaizola PMR, Neirinck J, Hofmans M, de Arriba S, Jara M, Prieto C, Sousa AE, Prada Á, van Dongen JJM, Pérez-Andrés M, Orfao A. In-depth blood immune profiling of Good syndrome patients. Front Immunol 2023; 14:1285088. [PMID: 38035080 PMCID: PMC10684950 DOI: 10.3389/fimmu.2023.1285088] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/29/2023] [Accepted: 10/23/2023] [Indexed: 12/02/2023] Open
Abstract
Introduction Good syndrome (GS) is a rare adult-onset immunodeficiency first described in 1954. It is characterized by the coexistence of a thymoma and hypogammaglobulinemia, associated with an increased susceptibility to infections and autoimmunity. The classification and management of GS has been long hampered by the lack of data about the underlying immune alterations, a controversy existing on whether it is a unique diagnostic entity vs. a subtype of Common Variable Immune Deficiency (CVID). Methods Here, we used high-sensitive flow cytometry to investigate the distribution of up to 70 different immune cell populations in blood of GS patients (n=9) compared to age-matched CVID patients (n=55) and healthy donors (n=61). Results All 9 GS patients displayed reduced B-cell counts -down to undetectable levels (<0.1 cells/μL) in 8/9 cases-, together with decreased numbers of total CD4+ T-cells, NK-cells, neutrophils, and basophils vs. age-matched healthy donors. In contrast, they showed expanded TCRγδ+ T-cells (p ≤ 0.05). Except for a deeper B-cell defect, the pattern of immune cell alteration in blood was similar in GS and (age-matched) CVID patients. In depth analysis of CD4+ T-cells revealed significantly decreased blood counts of naïve, central memory (CM) and transitional memory (TM) TCD4+ cells and their functional compartments of T follicular helper (TFH), regulatory T cells (Tregs), T helper (Th)2, Th17, Th22, Th1/Th17 and Th1/Th2 cells. In addition, GS patients also showed decreased NK-cell, neutrophil, basophil, classical monocyte and of both CD1c+ and CD141+ myeloid dendritic cell counts in blood, in parallel to an expansion of total and terminal effector TCRγδ+ T-cells. Interestingly, those GS patients who developed hypogammaglobulinemia several years after the thymoma presented with an immunological and clinical phenotype which more closely resembled a combined immune humoral and cellular defect, with poorer response to immunoglobulin replacement therapy, as compared to those in whom the thymoma and hypogammaglobulinemia were simultaneously detected. Discussion Our findings provide a more accurate definition of the immune cell defects of GS patients and contribute to a better discrimination among GS patients between those with a pure B-cell defect vs. those suffering from a combined immunodeficiency with important consequences on the diagnosis and management of the disease.
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Affiliation(s)
- Alba Torres-Valle
- Translational and Clinical Research Program, Centro de investigación del Cáncer (CIC), Instituto de Biología Molecular y Celular del Cáncer (IBMCC), Consejo Superior de Investigaciones Científicas (CSIC) and University of Salamanca (USAL), Salamanca, Spain
- Cytometry Service, NUCLEUS, Department of Medicine, University of Salamanca, Salamanca, Spain
- Instituto de Investigación Biomédica de Salamanca (IBSAL), Salamanca, Spain
| | - Larraitz Aragon
- Immunology Department, Donostia University Hospital, Osakidetza Basque Health Service, San Sebastián, Spain
| | - Susana L. Silva
- Serviço de Imunoalergologia, Centro Hospitalar Universitário Lisboa Norte, Lisbon, Portugal
- Instituto de Medicina Molecular João Lobo Antunes, Faculdade de Medicina, Universidade de Lisboa, Lisbon, Portugal
| | | | - Miguel Marcos
- Instituto de Investigación Biomédica de Salamanca (IBSAL), Salamanca, Spain
- Department of Internal Medicine, University Hospital of Salamanca, Salamanca, Spain
- Department of Medicine, University of Salamanca, Salamanca, Spain
| | - Josefa Melero
- Servicio de inmunología y genética, Hospital Universitario de Badajoz, Badajoz, Spain
| | - Carolien Bonroy
- Department of Laboratory Medicine, Ghent University Hospital, Ghent, Belgium
- Department of Diagnostic Sciences, Ghent University, Ghent, Belgium
| | - Pedro Pablo Arenas-Caro
- Immunology Department, Donostia University Hospital, Osakidetza Basque Health Service, San Sebastián, Spain
| | - David Monzon Casado
- Immunology Department, Donostia University Hospital, Osakidetza Basque Health Service, San Sebastián, Spain
| | | | - Jana Neirinck
- Department of Laboratory Medicine, Ghent University Hospital, Ghent, Belgium
- Department of Diagnostic Sciences, Ghent University, Ghent, Belgium
| | - Mattias Hofmans
- Department of Laboratory Medicine, Ghent University Hospital, Ghent, Belgium
- Department of Diagnostic Sciences, Ghent University, Ghent, Belgium
| | - Sonia de Arriba
- Pediatrics Department, University Hospital of Salamanca, Salamanca, Spain
| | - María Jara
- Instituto de Investigación Biomédica de Salamanca (IBSAL), Salamanca, Spain
- Biomedical Research Networking Centre Consortium of Oncology (CIBERONC), Instituto de Salud Carlos III, Madrid, Spain
- DNA Sequencing Service (NUCLEUS), University of Salamanca, Salamanca, Spain
| | - Carlos Prieto
- Bioinformatics service (NUCLEUS), University of Salamanca, Salamanca, Spain
| | - Ana E. Sousa
- Instituto de Medicina Molecular João Lobo Antunes, Faculdade de Medicina, Universidade de Lisboa, Lisbon, Portugal
| | - Álvaro Prada
- Immunology Department, Donostia University Hospital, Osakidetza Basque Health Service, San Sebastián, Spain
| | - Jacques J. M. van Dongen
- Translational and Clinical Research Program, Centro de investigación del Cáncer (CIC), Instituto de Biología Molecular y Celular del Cáncer (IBMCC), Consejo Superior de Investigaciones Científicas (CSIC) and University of Salamanca (USAL), Salamanca, Spain
- Cytometry Service, NUCLEUS, Department of Medicine, University of Salamanca, Salamanca, Spain
- Department of Immunology, Leiden University Medical Center, Leiden, Netherlands
| | - Martín Pérez-Andrés
- Translational and Clinical Research Program, Centro de investigación del Cáncer (CIC), Instituto de Biología Molecular y Celular del Cáncer (IBMCC), Consejo Superior de Investigaciones Científicas (CSIC) and University of Salamanca (USAL), Salamanca, Spain
- Cytometry Service, NUCLEUS, Department of Medicine, University of Salamanca, Salamanca, Spain
- Instituto de Investigación Biomédica de Salamanca (IBSAL), Salamanca, Spain
- Biomedical Research Networking Centre Consortium of Oncology (CIBERONC), Instituto de Salud Carlos III, Madrid, Spain
| | - Alberto Orfao
- Translational and Clinical Research Program, Centro de investigación del Cáncer (CIC), Instituto de Biología Molecular y Celular del Cáncer (IBMCC), Consejo Superior de Investigaciones Científicas (CSIC) and University of Salamanca (USAL), Salamanca, Spain
- Cytometry Service, NUCLEUS, Department of Medicine, University of Salamanca, Salamanca, Spain
- Instituto de Investigación Biomédica de Salamanca (IBSAL), Salamanca, Spain
- Biomedical Research Networking Centre Consortium of Oncology (CIBERONC), Instituto de Salud Carlos III, Madrid, Spain
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Poto R, Pecoraro A, Ferrara AL, Punziano A, Lagnese G, Messuri C, Loffredo S, Spadaro G, Varricchi G. Cytokine dysregulation despite immunoglobulin replacement therapy in common variable immunodeficiency (CVID). Front Immunol 2023; 14:1257398. [PMID: 37841257 PMCID: PMC10568625 DOI: 10.3389/fimmu.2023.1257398] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/12/2023] [Accepted: 09/07/2023] [Indexed: 10/17/2023] Open
Abstract
Introduction Common variable immunodeficiency (CVID) is the most prevalent symptomatic primary immunodeficiency. CVID is a heterogeneous disorder with a presumed multifactorial etiology. Intravenous or subcutaneous immunoglobulin replacement therapy (IgRT) can prevent severe infections but not underlying immune dysregulation. Methods In this study, we evaluated the serum concentrations of proinflammatory (TNF-α, IL-1β, IL-6) and immunoregulatory cytokines (IL-10), as well as lipopolysaccharide (LPS) and soluble CD14 (sCD14) in CVID individuals with infectious only (INF-CVID), and those with additional systemic autoimmune and inflammatory disorders (NIC-CVID), and healthy donors (HD). Results Our results showed increased serum concentrations of TNF-α, IL-1β, IL-6, and IL-10 in both INF-CVID and NIC-CVID subjects compared to HD. However, elevations of TNF-α, IL-1β, IL-6, and IL-10 were significantly more marked in NIC-CVID than INF-CVID. Additionally, LPS concentrations were increased only in NIC-CVID but not in INF-CVID compared to HD. Circulating levels of sCD14 were significantly increased in NIC-CVID compared to both INF-CVID and HD. Discussion These findings indicate persistent cytokine dysregulation despite IgRT in individuals with CVID. Moreover, the circulating cytokine profile reveals the heterogeneity of immune dysregulation in different subgroups of CVID subjects.
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Affiliation(s)
- Remo Poto
- Department of Translational Medical Sciences, University of Naples Federico II, Naples, Italy
- World Allergy Organization (WAO), Center of Excellence (CoE), Naples, Italy
| | - Antonio Pecoraro
- Department of Translational Medical Sciences, University of Naples Federico II, Naples, Italy
- World Allergy Organization (WAO), Center of Excellence (CoE), Naples, Italy
- Unità Operativa (UO) Medicina Trasfusionale, Azienda Sanitaria Territoriale, Ascoli Piceno, Italy
| | - Anne Lise Ferrara
- Department of Translational Medical Sciences, University of Naples Federico II, Naples, Italy
- World Allergy Organization (WAO), Center of Excellence (CoE), Naples, Italy
| | - Alessandra Punziano
- Department of Translational Medical Sciences, University of Naples Federico II, Naples, Italy
- World Allergy Organization (WAO), Center of Excellence (CoE), Naples, Italy
| | - Gianluca Lagnese
- Department of Translational Medical Sciences, University of Naples Federico II, Naples, Italy
- World Allergy Organization (WAO), Center of Excellence (CoE), Naples, Italy
| | - Carla Messuri
- Department of Translational Medical Sciences, University of Naples Federico II, Naples, Italy
- World Allergy Organization (WAO), Center of Excellence (CoE), Naples, Italy
- Center for Basic and Clinical Immunology Research (CISI), University of Naples Federico II, Naples, Italy
| | - Stefania Loffredo
- Department of Translational Medical Sciences, University of Naples Federico II, Naples, Italy
- World Allergy Organization (WAO), Center of Excellence (CoE), Naples, Italy
- Center for Basic and Clinical Immunology Research (CISI), University of Naples Federico II, Naples, Italy
- Institute of Experimental Endocrinology and Oncology, National Research Council (CNR), Naples, Italy
| | - Giuseppe Spadaro
- Department of Translational Medical Sciences, University of Naples Federico II, Naples, Italy
- World Allergy Organization (WAO), Center of Excellence (CoE), Naples, Italy
- Center for Basic and Clinical Immunology Research (CISI), University of Naples Federico II, Naples, Italy
| | - Gilda Varricchi
- Department of Translational Medical Sciences, University of Naples Federico II, Naples, Italy
- World Allergy Organization (WAO), Center of Excellence (CoE), Naples, Italy
- Center for Basic and Clinical Immunology Research (CISI), University of Naples Federico II, Naples, Italy
- Institute of Experimental Endocrinology and Oncology, National Research Council (CNR), Naples, Italy
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8
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Lui VG, Ghosh T, Rymaszewski A, Chen S, Baxter RM, Kong DS, Ghosh D, Routes JM, Verbsky JW, Hsieh EWY. Dysregulated Lymphocyte Antigen Receptor Signaling in Common Variable Immunodeficiency with Granulomatous Lymphocytic Interstitial Lung Disease. J Clin Immunol 2023; 43:1311-1325. [PMID: 37093407 PMCID: PMC10524976 DOI: 10.1007/s10875-023-01485-9] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/29/2022] [Accepted: 04/04/2023] [Indexed: 04/25/2023]
Abstract
PURPOSE A subset of common variable immunodeficiency (CVID) patients either presents with or develops autoimmune and lymphoproliferative complications, such as granulomatous lymphocytic interstitial lung disease (GLILD), a major cause of morbidity and mortality in CVID. While a myriad of phenotypic lymphocyte derangements has been associated with and described in GLILD, defects in T and B cell antigen receptor (TCR/BCR) signaling in CVID and CVID with GLILD (CVID/GLILD) remain undefined, hindering discovery of biomarkers for disease monitoring, prognostic prediction, and personalized medicine approaches. METHODS To identify perturbations of immune cell subsets and TCR/BCR signal transduction, we applied mass cytometry analysis to peripheral blood mononuclear cells (PBMCs) from healthy control participants (HC), CVID, and CVID/GLILD patients. RESULTS Patients with CVID, regardless of GLILD status, had increased frequency of HLADR+CD4+ T cells, CD57+CD8+ T cells, and CD21lo B cells when compared to healthy controls. Within these cellular populations in CVID/GLILD patients only, engagement of T or B cell antigen receptors resulted in discordant downstream signaling responses compared to CVID. In CVID/GLILD patients, CD21lo B cells showed perturbed BCR-mediated phospholipase C gamma and extracellular signal-regulated kinase activation, while HLADR+CD4+ T cells and CD57+CD8+ T cells displayed disrupted TCR-mediated activation of kinases most proximal to the receptor. CONCLUSION Both CVID and CVID/GLILD patients demonstrate an activated T and B cell phenotype compared to HC. However, only CVID/GLILD patients exhibit altered TCR/BCR signaling in the activated lymphocyte subsets. These findings contribute to our understanding of the mechanisms of immune dysregulation in CVID with GLILD.
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Affiliation(s)
- Victor G Lui
- Department of Immunology and Microbiology, School of Medicine, University of Colorado, 12800 East 19Th Ave, Mail Stop 8333, RC1 North P18-8117, Aurora, CO, 80045, USA
| | - Tusharkanti Ghosh
- Department of Biostatistics and Informatics, School of Public Health, University of Colorado, Aurora, CO, USA
| | - Amy Rymaszewski
- Division of Allergy and Clinical Immunology, Department of Pediatrics, Medical College of Wisconsin, Milwaukee, WI, USA
| | - Shaoying Chen
- Division of Rheumatology, Department of Pediatrics, Medical College of Wisconsin, Milwaukee, WI, USA
- Division of Asthma, Allergy, and Clinical Immunology, Medical College of Wisconsin, Milwaukee, WI, USA
| | - Ryan M Baxter
- Department of Immunology and Microbiology, School of Medicine, University of Colorado, 12800 East 19Th Ave, Mail Stop 8333, RC1 North P18-8117, Aurora, CO, 80045, USA
| | - Daniel S Kong
- Department of Immunology and Microbiology, School of Medicine, University of Colorado, 12800 East 19Th Ave, Mail Stop 8333, RC1 North P18-8117, Aurora, CO, 80045, USA
| | - Debashis Ghosh
- Department of Biostatistics and Informatics, School of Public Health, University of Colorado, Aurora, CO, USA
| | - John M Routes
- Division of Allergy and Clinical Immunology, Department of Pediatrics, Medical College of Wisconsin, Milwaukee, WI, USA
- Children's Research Institute, Medical College of Wisconsin, Milwaukee, WI, USA
| | - James W Verbsky
- Division of Rheumatology, Department of Pediatrics, Medical College of Wisconsin, Milwaukee, WI, USA
- Children's Research Institute, Medical College of Wisconsin, Milwaukee, WI, USA
| | - Elena W Y Hsieh
- Department of Immunology and Microbiology, School of Medicine, University of Colorado, 12800 East 19Th Ave, Mail Stop 8333, RC1 North P18-8117, Aurora, CO, 80045, USA.
- Department of Pediatrics, Section of Allergy and Immunology, School of Medicine, University of Colorado, Aurora, CO, USA.
- Children's Hospital Colorado, Aurora, CO, USA.
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9
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Mancuso G, Bechi Genzano C, Fierabracci A, Fousteri G. Type 1 diabetes and inborn errors of immunity: Complete strangers or 2 sides of the same coin? J Allergy Clin Immunol 2023:S0091-6749(23)00427-X. [PMID: 37097271 DOI: 10.1016/j.jaci.2023.03.026] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/03/2023] [Revised: 03/31/2023] [Accepted: 03/31/2023] [Indexed: 04/26/2023]
Abstract
Type 1 diabetes (T1D) is a polygenic disease and does not follow a mendelian pattern. Inborn errors of immunity (IEIs), on the other hand, are caused by damaging germline variants, suggesting that T1D and IEIs have nothing in common. Some IEIs, resulting from mutations in genes regulating regulatory T-cell homeostasis, are associated with elevated incidence of T1D. The genetic spectrum of IEIs is gradually being unraveled; consequently, molecular pathways underlying human monogenic autoimmunity are being identified. There is an appreciable overlap between some of these pathways and the genetic variants that determine T1D susceptibility, suggesting that after all, IEI and T1D are 2 sides of the same coin. The study of monogenic IEIs with a variable incidence of T1D has the potential to provide crucial insights into the mechanisms leading to T1D. These insights contribute to the definition of T1D endotypes and explain disease heterogeneity. In this review, we discuss the interconnected pathogenic pathways of autoimmunity, β-cell function, and primary immunodeficiency. We also examine the role of environmental factors in disease penetrance as well as the circumstantial evidence of IEI drugs in preventing and curing T1D in individuals with IEIs, suggesting the repositioning of these drugs also for T1D therapy.
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Affiliation(s)
- Gaia Mancuso
- Unit of Immunology, Rheumatology, Allergy and Rare Diseases, IRCCS San Raffaele Scientific Institute, Milan, Italy
| | - Camillo Bechi Genzano
- Columbia Center for Translational Immunology, Department of Medicine, Columbia University Irving Medical Center, New York, NY
| | | | - Georgia Fousteri
- Diabetes Research Institute, IRCCS Ospedale San Raffaele, Milan, Italy.
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10
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Chloroquine treatment influences immunological memory through the PD-1/PD-L1 pathway during the initiation of Plasmodium chabaudi infection. Int Immunopharmacol 2022; 113:109403. [DOI: 10.1016/j.intimp.2022.109403] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/04/2022] [Revised: 10/13/2022] [Accepted: 10/28/2022] [Indexed: 11/10/2022]
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11
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Fraz MSA, Michelsen AE, Moe N, Aaløkken TM, Macpherson ME, Nordøy I, Aukrust P, Taraldsrud E, Holm AM, Ueland T, Jørgensen SF, Fevang B. Raised Serum Markers of T Cell Activation and Exhaustion in Granulomatous-Lymphocytic Interstitial Lung Disease in Common Variable Immunodeficiency. J Clin Immunol 2022; 42:1553-1563. [PMID: 35789314 PMCID: PMC9255534 DOI: 10.1007/s10875-022-01318-1] [Citation(s) in RCA: 9] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/16/2022] [Accepted: 06/23/2022] [Indexed: 11/05/2022]
Abstract
Purpose
About 20–30% of patients with common variable immunodeficiency (CVID) develop granulomatous-lymphocytic interstitial lung disease (GLILD) as one of several non-infectious complications to their immunodeficiency. The purpose of this study was to identify biomarkers that could distinguish GLILD from other non-infectious complications in CVID. Methods We analyzed serum biomarkers related to inflammation, pulmonary epithelium injury, fibrogenesis, and extracellular matrix (ECM) remodeling, and compared three subgroups of CVID: GLILD patients (n = 16), patients with other non-infectious complications (n = 37), and patients with infections only (n = 20). Results We found that GLILD patients had higher levels of sCD25, sTIM-3, IFN-γ, and TNF, reflecting T cell activation and exhaustion, compared to both CVID patients with other inflammatory complications and CVID with infections only. GLILD patients also had higher levels of SP-D and CC16, proteins related to pulmonary epithelium injury, as well as the ECM remodeling marker MMP-7, than patients with other non-infectious complications. Conclusion GLILD patients have elevated serum markers of T cell activation and exhaustion, pulmonary epithelium injury, and ECM remodeling, pointing to potentially important pathways in GLILD pathogenesis, novel targets for therapy, and promising biomarkers for clinical evaluation of these patients. Supplementary Information The online version contains supplementary material available at 10.1007/s10875-022-01318-1.
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Affiliation(s)
- Mai Sasaki Aanensen Fraz
- Section of Clinical Immunology and Infectious Diseases, Oslo University Hospital, Rikshospitalet, Oslo, Norway. .,Centre for Rare Diseases, Oslo University Hospital, Oslo, Norway.
| | - Annika Elisabet Michelsen
- Research Institute of Internal Medicine, Oslo University Hospital, Rikshospitalet, Oslo, Norway.,Institute of Clinical Medicine, University of Oslo, Oslo, Norway
| | - Natasha Moe
- Department of Radiology and Nuclear Medicine, Oslo University Hospital, Rikshospitalet, Oslo, Norway
| | - Trond Mogens Aaløkken
- Institute of Clinical Medicine, University of Oslo, Oslo, Norway.,Department of Radiology and Nuclear Medicine, Oslo University Hospital, Rikshospitalet, Oslo, Norway
| | - Magnhild Eide Macpherson
- Research Institute of Internal Medicine, Oslo University Hospital, Rikshospitalet, Oslo, Norway.,Department of Infectious Diseases, Oslo University Hospital Ullevål, Oslo, Norway
| | - Ingvild Nordøy
- Section of Clinical Immunology and Infectious Diseases, Oslo University Hospital, Rikshospitalet, Oslo, Norway.,Research Institute of Internal Medicine, Oslo University Hospital, Rikshospitalet, Oslo, Norway
| | - Pål Aukrust
- Section of Clinical Immunology and Infectious Diseases, Oslo University Hospital, Rikshospitalet, Oslo, Norway.,Research Institute of Internal Medicine, Oslo University Hospital, Rikshospitalet, Oslo, Norway.,Institute of Clinical Medicine, University of Oslo, Oslo, Norway.,Faculty of Health Sciences, K.G. Jebsen TREC, University of Tromsø, Tromsø, Norway
| | - Eli Taraldsrud
- Department of Immunology, Oslo University Hospital, Oslo, Norway
| | - Are Martin Holm
- Institute of Clinical Medicine, University of Oslo, Oslo, Norway.,Department of Pulmonary Medicine, Oslo University Hospital, Oslo, Norway
| | - Thor Ueland
- Research Institute of Internal Medicine, Oslo University Hospital, Rikshospitalet, Oslo, Norway.,Institute of Clinical Medicine, University of Oslo, Oslo, Norway.,Faculty of Health Sciences, K.G. Jebsen TREC, University of Tromsø, Tromsø, Norway
| | - Silje Fjellgård Jørgensen
- Section of Clinical Immunology and Infectious Diseases, Oslo University Hospital, Rikshospitalet, Oslo, Norway.,Research Institute of Internal Medicine, Oslo University Hospital, Rikshospitalet, Oslo, Norway
| | - Børre Fevang
- Section of Clinical Immunology and Infectious Diseases, Oslo University Hospital, Rikshospitalet, Oslo, Norway.,Centre for Rare Diseases, Oslo University Hospital, Oslo, Norway.,Research Institute of Internal Medicine, Oslo University Hospital, Rikshospitalet, Oslo, Norway
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12
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Pulvirenti F, Di Cecca S, Sinibaldi M, Piano Mortari E, Terreri S, Albano C, Guercio M, Sculco E, Milito C, Ferrari S, Locatelli F, Quintarelli C, Carsetti R, Quinti I. T-Cell Defects Associated to Lack of Spike-Specific Antibodies after BNT162b2 Full Immunization Followed by a Booster Dose in Patients with Common Variable Immune Deficiencies. Cells 2022; 11:1918. [PMID: 35741048 PMCID: PMC9221747 DOI: 10.3390/cells11121918] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/10/2022] [Revised: 06/03/2022] [Accepted: 06/09/2022] [Indexed: 02/07/2023] Open
Abstract
Following the third booster dose of the mRNA vaccine, Common Variable Immune Deficiencies (CVID) patients may not produce specific antibodies against the virus spike protein. The T-cell abnormalities associated with the absence of antibodies are still a matter of investigation. Spike-specific IgG and IgA, peripheral T cell subsets, CD40L and cytokine expression, and Spike-specific specific T-cells responses were evaluated in 47 CVID and 26 healthy donors after three doses of BNT162b2 vaccine. Testing was performed two weeks after the third vaccine dose. Thirty-six percent of the patients did not produce anti-SARS-CoV-2 IgG or IgA antibodies. Non responder patients had lower peripheral blood lymphocyte counts, circulating naïve and central memory T-cells, low CD40L expression on the CD4+CD45+RO+ and CD8+CD45+RO+ T-cells, high frequencies of TNFα and IFNγ expressing CD8+ T-cells, and defective release of IFNγ and TNFα following stimulation with Spike peptides. Non responders had a more complex disease phenotype, with higher frequencies of structural lung damage and autoimmunity, especially autoimmune cytopenia. Thirty-five percent of them developed a SARS-CoV-2 infection after immunization in comparison to twenty percent of CVID who responded to immunization with antibodies production. CVID-associated T cell abnormalities contributed to the absence of SARS-CoV-2 specific antibodies after full immunization.
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Affiliation(s)
- Federica Pulvirenti
- Reference Centre for Primary Immune Deficiencies, Azienda Ospedaliera Universitaria Policlinico Umberto I, 00185 Rome, Italy;
| | - Stefano Di Cecca
- Department Onco-Haematology, and Cell and Gene Therapy, Bambino Gesù Children Hospital, IRCCS, 00116 Rome, Italy; (S.D.C.); (M.S.); (M.G.); (F.L.); (C.Q.)
| | - Matilde Sinibaldi
- Department Onco-Haematology, and Cell and Gene Therapy, Bambino Gesù Children Hospital, IRCCS, 00116 Rome, Italy; (S.D.C.); (M.S.); (M.G.); (F.L.); (C.Q.)
| | - Eva Piano Mortari
- B Cell Unit, Immunology Research Area, Bambino Gesù Children’s Hospital, IRCCS, Viale di San Paolo, 00146 Rome, Italy; (E.P.M.); (S.T.); (C.A.); (R.C.)
- Department of Molecular Medicine, Sapienza University of Rome, 00185 Rome, Italy; (E.S.); (C.M.)
| | - Sara Terreri
- B Cell Unit, Immunology Research Area, Bambino Gesù Children’s Hospital, IRCCS, Viale di San Paolo, 00146 Rome, Italy; (E.P.M.); (S.T.); (C.A.); (R.C.)
| | - Christian Albano
- B Cell Unit, Immunology Research Area, Bambino Gesù Children’s Hospital, IRCCS, Viale di San Paolo, 00146 Rome, Italy; (E.P.M.); (S.T.); (C.A.); (R.C.)
| | - Marika Guercio
- Department Onco-Haematology, and Cell and Gene Therapy, Bambino Gesù Children Hospital, IRCCS, 00116 Rome, Italy; (S.D.C.); (M.S.); (M.G.); (F.L.); (C.Q.)
| | - Eleonora Sculco
- Department of Molecular Medicine, Sapienza University of Rome, 00185 Rome, Italy; (E.S.); (C.M.)
| | - Cinzia Milito
- Department of Molecular Medicine, Sapienza University of Rome, 00185 Rome, Italy; (E.S.); (C.M.)
| | - Simona Ferrari
- Medical Genetics Unit, IRCCS Azienda Ospedaliero-Universitaria di Bologna, 40138 Bologna, Italy;
| | - Franco Locatelli
- Department Onco-Haematology, and Cell and Gene Therapy, Bambino Gesù Children Hospital, IRCCS, 00116 Rome, Italy; (S.D.C.); (M.S.); (M.G.); (F.L.); (C.Q.)
| | - Concetta Quintarelli
- Department Onco-Haematology, and Cell and Gene Therapy, Bambino Gesù Children Hospital, IRCCS, 00116 Rome, Italy; (S.D.C.); (M.S.); (M.G.); (F.L.); (C.Q.)
| | - Rita Carsetti
- B Cell Unit, Immunology Research Area, Bambino Gesù Children’s Hospital, IRCCS, Viale di San Paolo, 00146 Rome, Italy; (E.P.M.); (S.T.); (C.A.); (R.C.)
| | - Isabella Quinti
- Department of Molecular Medicine, Sapienza University of Rome, 00185 Rome, Italy; (E.S.); (C.M.)
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13
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Pan Z, Zhu T, Liu Y, Zhang N. Role of the CXCL13/CXCR5 Axis in Autoimmune Diseases. Front Immunol 2022; 13:850998. [PMID: 35309354 PMCID: PMC8931035 DOI: 10.3389/fimmu.2022.850998] [Citation(s) in RCA: 28] [Impact Index Per Article: 14.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/10/2022] [Accepted: 02/16/2022] [Indexed: 12/12/2022] Open
Abstract
CXCL13 is a B-cell chemokine produced mainly by mesenchymal lymphoid tissue organizer cells, follicular dendritic cells, and human T follicular helper cells. By binding to its receptor, CXCR5, CXCL13 plays an important role in lymphoid neogenesis, lymphoid organization, and immune responses. Recent studies have found that CXCL13 and its receptor CXCR5 are implicated in the pathogenesis of several autoimmune diseases, such as rheumatoid arthritis, multiple sclerosis, systemic lupus erythematosus, primary Sjögren’s syndrome, myasthenia gravis, and inflammatory bowel disease. In this review, we discuss the biological features of CXCL13 and CXCR5 and the recent findings on the pathogenic roles of the CXCL13/CXCR5 axis in autoimmune diseases. Furthermore, we discuss the potential role of CXCL13 as a disease biomarker and therapeutic target in autoimmune diseases.
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Affiliation(s)
- Zijian Pan
- National Center for Birth Defect Monitoring, Key Laboratory of Birth Defects and Related Diseases of Women and Children, Ministry of Education, West China Second University Hospital, and State Key Laboratory of Oral Diseases, Sichuan University, Chengdu, China
- West China Hospital of Stomatology, Sichuan University, Chengdu, China
| | - Tong Zhu
- National Center for Birth Defect Monitoring, Key Laboratory of Birth Defects and Related Diseases of Women and Children, Ministry of Education, West China Second University Hospital, and State Key Laboratory of Oral Diseases, Sichuan University, Chengdu, China
- West China Hospital of Stomatology, Sichuan University, Chengdu, China
| | - Yanjun Liu
- National Center for Birth Defect Monitoring, Key Laboratory of Birth Defects and Related Diseases of Women and Children, Ministry of Education, West China Second University Hospital, and State Key Laboratory of Oral Diseases, Sichuan University, Chengdu, China
| | - Nannan Zhang
- National Center for Birth Defect Monitoring, Key Laboratory of Birth Defects and Related Diseases of Women and Children, Ministry of Education, West China Second University Hospital, and State Key Laboratory of Oral Diseases, Sichuan University, Chengdu, China
- *Correspondence: Nannan Zhang,
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14
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Wågström P, Nilsdotter-Augustinsson Å, Nilsson M, Björkander J, Dahle C, Nyström S. Fatigue Is Common in Immunoglobulin G Subclass Deficiency and Correlates With Inflammatory Response and Need for Immunoglobulin Replacement Therapy. Front Immunol 2022; 12:797336. [PMID: 35082787 PMCID: PMC8785394 DOI: 10.3389/fimmu.2021.797336] [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] [Received: 10/18/2021] [Accepted: 12/14/2021] [Indexed: 11/14/2022] Open
Abstract
Purpose Individuals with immunoglobulin G deficiency (IgGsd) often complain of fatigue. The correlation between systemic inflammation and fatigue is unknown. In this study perceived quality of life (QoL) and fatigue in individuals with IgGsd, on and off immunoglobulin replacement therapy (IgRT) were correlated to inflammatory markers in plasma to identify the subgroup that benefits from IgRT. Method Thirty-five IgGsd-patients were sampled on three occasions: at baseline, after being on IgRT for at least 18 months, and 18 months after discontinuation of IgRT. Short form 36, EQ-5D-5L visual analogue scale and fatigue impact scale questionnaires were used for evaluation of QoL and fatigue. Furthermore, a panel of 92 inflammatory markers were analysed in plasma. Thirty-two gender- and age-matched healthy individuals were included as controls and sampled on one occasion. Results QoL was lower and perceived fatigue higher in IgGsd compared to the controls. Severe fatigue and low QoL were associated with the need to restart IgRT (which is considered in IgGsd-individuals with a high burden of infections in Sweden). Twenty-five inflammatory factors were dysregulated in IgGsd and the plasma protein patterns were similar regardless of whether IgRT was ongoing or not. Enrichment analysis indicated IL-10 signalling as the most affected pathway. Severe fatigue was associated with decreased levels of the neurotrophic factors VEGFA and CSF-1. Conclusion Fatigue is a major contributory factor to impaired health-related QoL in IgGsd and is related to the need for IgRT. Low-grade systemic inflammation is a potential driver of fatigue. In addition to the burden of infections, we suggest the degree of fatigue should be considered when the decision to introduce IgRT is made.
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Affiliation(s)
- Per Wågström
- Department of Infectious Diseases, Ryhov County Hospital, Jönköping, Sweden.,Department of Biomedical and Clinical Sciences, Linköping University, Linköping, Sweden
| | - Åsa Nilsdotter-Augustinsson
- Division of Inflammation and Infection, Department of Biomedical and Clinical Sciences, Linköping University, Linköping, Sweden.,Department of Infectious Diseases, The Vrinnevi Hospital, Norrköping, Sweden
| | - Mats Nilsson
- Department of Biomedical and Clinical Sciences, Linköping University, Linköping, Sweden.,Futurum, Academy of Health and Care, Region Jönköping County, Jönköping, Sweden
| | - Janne Björkander
- Department of Biomedical and Clinical Sciences, Linköping University, Linköping, Sweden.,Wetterhälsan, Health Care Centre, Jönköping, Sweden
| | - Charlotte Dahle
- Division of Clinical Immunology and Transfusion Medicine, Department of Biomedical and Clinical Sciences, Linköping University, Linköping, Sweden
| | - Sofia Nyström
- Division of Clinical Immunology and Transfusion Medicine, Department of Biomedical and Clinical Sciences, Linköping University, Linköping, Sweden.,Division of Molecular Medicine and Virology, Department of Biomedical and Clinical Sciences, Linköping University, Linköping, Sweden
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15
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Quinti I, Locatelli F, Carsetti R. The Immune Response to SARS-CoV-2 Vaccination: Insights Learned From Adult Patients With Common Variable Immune Deficiency. Front Immunol 2022; 12:815404. [PMID: 35126372 PMCID: PMC8807657 DOI: 10.3389/fimmu.2021.815404] [Citation(s) in RCA: 20] [Impact Index Per Article: 10.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/15/2021] [Accepted: 12/21/2021] [Indexed: 12/23/2022] Open
Abstract
CVID patients have an increased susceptibility to vaccine-preventable infections. The question on the potential benefits of immunization of CVID patients against SARS-CoV-2 offered the possibility to analyze the defective mechanisms of immune responses to a novel antigen. In CVID, as in immunocompetent subjects, the role of B and T cells is different between infected and vaccinated individuals. Upon vaccination, variable anti-Spike IgG responses have been found in different CVID cohorts. Immunization with two doses of mRNA vaccine did not generate Spike-specific classical memory B cells (MBCs) but atypical memory B cells (ATM) with low binding capacity to Spike protein. Spike-specific T-cells responses were also induced in CVID patients with a variable frequency, differently from specific T cells produced after multiple exposures to viral antigens following influenza virus immunization and infection. The immune response elicited by SARS-CoV-2 infection was enhanced by subsequent immunization underlying the need to immunize convalescent COVID-19 CVID patients after recovery. In particular, immunization after SARS-Cov-2 infection generated Spike-specific classical memory B cells (MBCs) with low binding capacity to Spike protein and Spike-specific antibodies in a high percentage of CVID patients. The search for a strategy to elicit an adequate immune response post-vaccination in CVID patients is necessary. Since reinfection with SARS-CoV-2 has been documented, at present SARS-CoV-2 positive CVID patients might benefit from new preventing strategy based on administration of anti-SARS-CoV-2 monoclonal antibodies.
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Affiliation(s)
- Isabella Quinti
- Department of Molecular Medicine, Sapienza University of Rome, Rome, Italy
- *Correspondence: Isabella Quinti,
| | - Franco Locatelli
- Department Onco-Haematology, and Cell and Gene Therapy, Bambino Gesù Children Hospital, Istituto di Ricovero e Cura a Carattere Scientifico (IRCCS), Rome, Italy
- Dipartimento Materno-Infantile e Scienze Urologiche, Sapienza University of Rome, Rome, Italy
| | - Rita Carsetti
- Diagnostic Immunology Research Unit, Multimodal Medicine Research Area, Bambino Gesù Children’s Hospital, Istituto di Ricovero e Cura a Carattere Scientifico (IRCCS), Rome, Italy
- Diagnostic Immunology Clinical Unit, Bambino Gesù Children’s Hospital, Istituto di Ricovero e Cura a Carattere Scientifico (IRCCS), Rome, Italy
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16
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Convergence of cytokine dysregulation and antibody deficiency in common variable immunodeficiency with inflammatory complications. J Allergy Clin Immunol 2022; 149:315-326.e9. [PMID: 34146579 PMCID: PMC8678401 DOI: 10.1016/j.jaci.2021.06.008] [Citation(s) in RCA: 11] [Impact Index Per Article: 5.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/25/2020] [Revised: 05/06/2021] [Accepted: 06/03/2021] [Indexed: 01/03/2023]
Abstract
BACKGROUND Noninfectious complications are the greatest cause of morbidity and mortality in common variable immunodeficiency (CVID), but their pathogenesis remains poorly defined. OBJECTIVE Using high-throughput approaches, we aimed to identify, correlate, and determine the significance of immunologic features of CVID with noninfectious complications (CVIDc). METHODS We simultaneously applied proteomics, RNA sequencing, and mass cytometry to a large cohort with primary antibody deficiency. RESULTS CVIDc is differentiated from uncomplicated CVID, other forms of primary antibody deficiency, and healthy controls by a distinct plasma proteomic profile. In addition to confirming previously reported elevations of 4-1BB, IL-6, IL-18, and IFN-γ, we found elevations of colony-stimulating factor 1, IL-12p40, IL-18R, oncostatin M, TNF, and vascular endothelial growth factor A to differentiate CVIDc. This cytokine dysregulation correlated with deficiency of LPS-specific antibodies and increased soluble CD14, suggesting microbial translocation. Indicating potential significance of reduced LPS-specific antibodies and resultant microbial-induced inflammation, CVIDc had altered LPS-induced gene expression matching plasma proteomics and corresponding with increased CD14+CD16- monocytes, memory T cells, and tissue inflammation ameliorated by T-cell-targeted therapy. Unsupervised machine learning accurately differentiated subjects with CVIDc and supported cytokine dysregulation, antibody deficit, and T-cell activation as defining and convergent features. CONCLUSIONS Our data expand understanding of CVIDc proteomics, establish its link with deficiency of IgA and LPS-specific antibodies, and implicate altered LPS-induced gene expression and elevated monocytes and T cells in this cytokine dysregulation. This work indicates that CVIDc results when insufficient antibody neutralization of pathogen-associated molecular patterns, like LPS, occurs in those with a heightened response to these inflammatory mediators, suggesting a 2-hit model of pathogenesis requiring further exploration.
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17
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Seth N, Tuano KS, Chinen J. Inborn errors of immunity: Recent progress. J Allergy Clin Immunol 2021; 148:1442-1450. [PMID: 34688776 DOI: 10.1016/j.jaci.2021.10.010] [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: 10/08/2021] [Revised: 10/16/2021] [Accepted: 10/18/2021] [Indexed: 10/20/2022]
Abstract
Recent advances in the field of inborn errors of immunity (IEIs) have been wide in scope, including progress in mechanisms of disease, diagnosis, and management. New gene defects affecting the immune response continue to be reported, as many as 26 in the year 2020. It was noted that the presentation of IEIs might not include recurrent infections in 9% of cases, and that current diagnostic methods can identify molecular causes in 92% of patients with severe combined immunodeficiency. Progress in immunopathogenesis explained mechanisms leading to symptoms of autosomal-recessive hyper-IgE syndrome. There was an emphasis on research in primary antibody deficiencies. The benefit of antibiotic prophylaxis to reduce the frequency of infections was demonstrated in these patients. The regimen of rituximab and azathioprine or mycophenolate was proven effective for chronic granulocytic interstitial pneumonia. The efficacy and adverse events of hematopoietic stem cell transplant in different IEI conditions were reported, as well as different strategies to improve outcomes, supporting its use in immunodeficiency and immunodysregulatory syndromes. The recent pandemic of coronavirus disease 2019 affected patients with IEIs, in particular those with deficiency in the interferon-mediated activation of the immune response. Initial data suggest that coronavirus disease 2019 vaccines might elicit anti-coronavirus disease 2019-neutralizing antibody responses in some patients with IEI conditions.
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Affiliation(s)
- Neha Seth
- Division of Immunology, Allergy and Retrovirology, Department of Pediatrics, Baylor College of Medicine, Texas Children's Hospital, The Woodlands, Tex
| | - Karen S Tuano
- Division of Immunology, Allergy and Retrovirology, Department of Pediatrics, Baylor College of Medicine, Texas Children's Hospital, The Woodlands, Tex
| | - Javier Chinen
- Division of Immunology, Allergy and Retrovirology, Department of Pediatrics, Baylor College of Medicine, Texas Children's Hospital, The Woodlands, Tex.
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18
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Berbers RM, van der Wal MM, van Montfrans JM, Ellerbroek PM, Dalm VASH, van Hagen PM, Leavis HL, van Wijk F. Chronically Activated T-cells Retain Their Inflammatory Properties in Common Variable Immunodeficiency. J Clin Immunol 2021; 41:1621-1632. [PMID: 34247288 PMCID: PMC8452589 DOI: 10.1007/s10875-021-01084-6] [Citation(s) in RCA: 13] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/30/2021] [Accepted: 06/07/2021] [Indexed: 12/04/2022]
Abstract
Purpose Immune dysregulation complications cause significant morbidity and mortality in common variable immunodeficiency (CVID), but the underlying pathophysiology is poorly understood. While CVID is primarily considered a B-cell defect, resulting in the characteristic hypogammaglobulinemia, T-cells may also contribute to immune dysregulation complications. Here, we aim to further characterize T-cell activation and regulation in CVID with immune dysregulation (CVIDid). Methods Flow cytometry was performed to investigate T-cell differentiation, activation and intracellular cytokine production, negative regulators of immune activation, regulatory T-cells (Treg), and homing markers in 12 healthy controls, 12 CVID patients with infections only (CVIDio), and 20 CVIDid patients. Results Both CD4 + and CD8 + T-cells in CVIDid showed an increased activation profile (HLA-DR + , Ki67 + , IFNγ +) when compared to CVIDio, with concomitant upregulation of negative regulators of immune activation PD1, LAG3, CTLA4, and TIGIT. PD1 + and LAG3 + subpopulations contained equal or increased frequencies of cells with the capacity to produce IFNγ, Ki67, and/or GzmB. The expression of PD1 correlated with serum levels of CXCL9, 10, and 11. Treg frequencies were normal to high in CVIDid, but CVIDid Tregs had reduced CTLA-4 expression, especially on CD27 + effector Tregs. Increased migratory capacity to inflamed and mucosal tissue was also observed in CVIDid T-cells. Conclusion CVIDid was characterized by chronic activation of peripheral T-cells with preserved inflammatory potential rather than functional exhaustion, and increased tissue migratory capacity. While Treg numbers were normal in CVIDid Tregs, low levels of CTLA-4 indicate possible Treg dysfunction. Combined studies of T-cell dysfunction and circulating inflammatory proteins may direct future treatment strategies. Supplementary Information The online version contains supplementary material available at 10.1007/s10875-021-01084-6.
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Affiliation(s)
- Roos-Marijn Berbers
- Department of Rheumatology and Clinical Immunology, University Medical Center and Utrecht University, Utrecht, The Netherlands
| | - M Marlot van der Wal
- Center for Translational Immunology, University Medical Center Utrecht and Utrecht University, Utrecht, The Netherlands
| | - Joris M van Montfrans
- Department of Pediatric Immunology and Infectious Diseases, University Medical Center Utrecht and Utrecht University, Utrecht, The Netherlands
| | - Pauline M Ellerbroek
- Department of Internal Medicine and Infectious Diseases, University Medical Center Utrecht and Utrecht University, Utrecht, The Netherlands
| | - Virgil A S H Dalm
- Department of Internal Medicine, Division of Clinical Immunology, Erasmus MC University Medical Center, Rotterdam, The Netherlands.,Department of Immunology, Academic Center for Rare Immunological Diseases (RIDC), Erasmus MC University Medical Center, Rotterdam, The Netherlands
| | - P Martin van Hagen
- Department of Internal Medicine, Division of Clinical Immunology, Erasmus MC University Medical Center, Rotterdam, The Netherlands.,Department of Immunology, Academic Center for Rare Immunological Diseases (RIDC), Erasmus MC University Medical Center, Rotterdam, The Netherlands
| | - Helen L Leavis
- Department of Rheumatology and Clinical Immunology, University Medical Center and Utrecht University, Utrecht, The Netherlands.
| | - Femke van Wijk
- Center for Translational Immunology, University Medical Center Utrecht and Utrecht University, Utrecht, The Netherlands
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Lee TK, Gereige JD, Maglione PJ. State-of-the-art diagnostic evaluation of common variable immunodeficiency. Ann Allergy Asthma Immunol 2021; 127:19-27. [PMID: 33716149 DOI: 10.1016/j.anai.2021.03.005] [Citation(s) in RCA: 7] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/04/2021] [Revised: 03/01/2021] [Accepted: 03/09/2021] [Indexed: 02/06/2023]
Abstract
OBJECTIVE To summarize the current understanding of diagnostic and postdiagnostic evaluation of common variable immunodeficiency (CVID). DATA SOURCES PubMed Central database. STUDY SELECTIONS Original research articles and review articles from 2015 to 2020 including seminal articles that shaped the diagnostic and postdiagnostic evaluation of CVID were incorporated. This work focuses on initial diagnosis of CVID, genetic evaluations, and postdiagnostic assessment of respiratory, gastrointestinal, and hepatobiliary diseases including spleen and lymph node enlargement. RESULTS CVID presents not only with frequent infections but also with noninfectious complications such as autoimmunity, gastrointestinal disease, chronic lung disease, granulomas, liver disease, lymphoid hyperplasia, splenomegaly, or malignancy. The risk of morbidity and mortality is higher in patients with CVID and noninfectious complications. Detailed diagnostic approaches, which may incorporate genetic testing, can aid characterization of individual CVID cases and shape treatment in some instances. Moreover, continued evaluation after CVID diagnosis is key to optimal management of this complex disorder. These postdiagnostic evaluations include pulmonary function testing, radiologic studies, and laboratory evaluations that may be conducted at frequencies determined by disease activity. CONCLUSION Although the diagnosis can be achieved similarly in all patients with CVID, those with noninfectious complications have distinct concerns during clinical evaluation. State-of-the-art workup of CVID with noninfectious complications typically includes genetic analysis, which may shape precision therapy, and thoughtful application of postdiagnostic tests that monitor the presence and progression of disease in the myriad of tissues that may be affected. Even with recent advancements, knowledge gaps in diagnosis, prognosis, and treatment of CVID persist, and continued research efforts are needed.
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Affiliation(s)
- Theodore K Lee
- Section of Pulmonary, Allergy, Sleep & Critical Care Medicine, Department of Medicine, Boston University School of Medicine, Boston Medical Center, Boston, Massachusetts
| | - Jessica D Gereige
- Section of Pulmonary, Allergy, Sleep & Critical Care Medicine, Department of Medicine, Boston University School of Medicine, Boston Medical Center, Boston, Massachusetts
| | - Paul J Maglione
- Section of Pulmonary, Allergy, Sleep & Critical Care Medicine, Department of Medicine, Boston University School of Medicine, Boston Medical Center, Boston, Massachusetts.
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Edwards ESJ, Bosco JJ, Ojaimi S, O'Hehir RE, van Zelm MC. Beyond monogenetic rare variants: tackling the low rate of genetic diagnoses in predominantly antibody deficiency. Cell Mol Immunol 2021; 18:588-603. [PMID: 32801365 PMCID: PMC8027216 DOI: 10.1038/s41423-020-00520-8] [Citation(s) in RCA: 16] [Impact Index Per Article: 5.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/29/2020] [Accepted: 07/26/2020] [Indexed: 02/07/2023] Open
Abstract
Predominantly antibody deficiency (PAD) is the most prevalent form of primary immunodeficiency, and is characterized by broad clinical, immunological and genetic heterogeneity. Utilizing the current gold standard of whole exome sequencing for diagnosis, pathogenic gene variants are only identified in less than 20% of patients. While elucidation of the causal genes underlying PAD has provided many insights into the cellular and molecular mechanisms underpinning disease pathogenesis, many other genes may remain as yet undefined to enable definitive diagnosis, prognostic monitoring and targeted therapy of patients. Considering that many patients display a relatively late onset of disease presentation in their 2nd or 3rd decade of life, it is questionable whether a single genetic lesion underlies disease in all patients. Potentially, combined effects of other gene variants and/or non-genetic factors, including specific infections can drive disease presentation. In this review, we define (1) the clinical and immunological variability of PAD, (2) consider how genetic defects identified in PAD have given insight into B-cell immunobiology, (3) address recent technological advances in genomics and the challenges associated with identifying causal variants, and (4) discuss how functional validation of variants of unknown significance could potentially be translated into increased diagnostic rates, improved prognostic monitoring and personalized medicine for PAD patients. A multidisciplinary approach will be the key to curtailing the early mortality and high morbidity rates in this immune disorder.
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Affiliation(s)
- Emily S J Edwards
- Department of Immunology and Pathology, Central Clinical School, Monash University, Melbourne, VIC, Australia
- The Jeffrey Modell Diagnostic and Research Centre for Primary Immunodeficiencies, Melbourne, VIC, Australia
| | - Julian J Bosco
- The Jeffrey Modell Diagnostic and Research Centre for Primary Immunodeficiencies, Melbourne, VIC, Australia
- Department of Allergy, Immunology and Respiratory Medicine, Central Clinical School, Monash University and Allergy, Asthma and Clinical Immunology Service, Alfred Hospital, Melbourne, VIC, Australia
| | - Samar Ojaimi
- The Jeffrey Modell Diagnostic and Research Centre for Primary Immunodeficiencies, Melbourne, VIC, Australia
- Department of Infectious Diseases, Monash Health, Clayton, VIC, Australia
- Centre for Inflammatory Diseases, Monash Health, Clayton, VIC, Australia
- Department of Allergy and Immunology, Monash Health, Clayton, VIC, Australia
| | - Robyn E O'Hehir
- Department of Immunology and Pathology, Central Clinical School, Monash University, Melbourne, VIC, Australia
- The Jeffrey Modell Diagnostic and Research Centre for Primary Immunodeficiencies, Melbourne, VIC, Australia
- Department of Allergy, Immunology and Respiratory Medicine, Central Clinical School, Monash University and Allergy, Asthma and Clinical Immunology Service, Alfred Hospital, Melbourne, VIC, Australia
| | - Menno C van Zelm
- Department of Immunology and Pathology, Central Clinical School, Monash University, Melbourne, VIC, Australia.
- The Jeffrey Modell Diagnostic and Research Centre for Primary Immunodeficiencies, Melbourne, VIC, Australia.
- Department of Allergy, Immunology and Respiratory Medicine, Central Clinical School, Monash University and Allergy, Asthma and Clinical Immunology Service, Alfred Hospital, Melbourne, VIC, Australia.
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Matson EM, Abyazi ML, Bell KA, Hayes KM, Maglione PJ. B Cell Dysregulation in Common Variable Immunodeficiency Interstitial Lung Disease. Front Immunol 2021; 11:622114. [PMID: 33613556 PMCID: PMC7892472 DOI: 10.3389/fimmu.2020.622114] [Citation(s) in RCA: 7] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/27/2020] [Accepted: 12/23/2020] [Indexed: 12/16/2022] Open
Abstract
Common variable immunodeficiency (CVID) is the most frequently diagnosed primary antibody deficiency. About half of CVID patients develop chronic non-infectious complications thought to be due to intrinsic immune dysregulation, including autoimmunity, gastrointestinal disease, and interstitial lung disease (ILD). Multiple studies have found ILD to be a significant cause of morbidity and mortality in CVID. Yet, the precise mechanisms underlying this complication in CVID are poorly understood. CVID ILD is marked by profound pulmonary infiltration of both T and B cells as well as granulomatous inflammation in many cases. B cell depletive therapy, whether done as a monotherapy or in combination with another immunosuppressive agent, has become a standard of therapy for CVID ILD. However, CVID is a heterogeneous disorder, as is its lung pathology, and the precise patients that would benefit from B cell depletive therapy, when it should administered, and how long it should be repeated all remain gaps in our knowledge. Moreover, some have ILD recurrence after B cell depletive therapy and the relative importance of B cell biology remains incompletely defined. Developmental and functional abnormalities of B cell compartments observed in CVID ILD and related conditions suggest that imbalance of B cell signaling networks may promote lung disease. Included within these potential mechanisms of disease is B cell activating factor (BAFF), a cytokine that is upregulated by the interferon gamma (IFN-γ):STAT1 signaling axis to potently influence B cell activation and survival. B cell responses to BAFF are shaped by the divergent effects and expression patterns of its three receptors: BAFF receptor (BAFF-R), transmembrane activator and CAML interactor (TACI), and B cell maturation antigen (BCMA). Moreover, soluble forms of BAFF-R, TACI, and BCMA exist and may further influence the pathogenesis of ILD. Continued efforts to understand how dysregulated B cell biology promotes ILD development and progression will help close the gap in our understanding of how to best diagnose, define, and manage ILD in CVID.
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Affiliation(s)
- Erik M Matson
- Pulmonary Center, Section of Pulmonary, Allergy, Sleep & Critical Care Medicine, Department of Medicine, Boston University School of Medicine, Boston Medical Center, Boston, MA, United States
| | - Miranda L Abyazi
- Pulmonary Center, Section of Pulmonary, Allergy, Sleep & Critical Care Medicine, Department of Medicine, Boston University School of Medicine, Boston Medical Center, Boston, MA, United States
| | - Kayla A Bell
- Pulmonary Center, Section of Pulmonary, Allergy, Sleep & Critical Care Medicine, Department of Medicine, Boston University School of Medicine, Boston Medical Center, Boston, MA, United States
| | - Kevin M Hayes
- Pulmonary Center, Section of Pulmonary, Allergy, Sleep & Critical Care Medicine, Department of Medicine, Boston University School of Medicine, Boston Medical Center, Boston, MA, United States
| | - Paul J Maglione
- Pulmonary Center, Section of Pulmonary, Allergy, Sleep & Critical Care Medicine, Department of Medicine, Boston University School of Medicine, Boston Medical Center, Boston, MA, United States
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Berbers RM, Drylewicz J, Ellerbroek PM, van Montfrans JM, Dalm VASH, van Hagen PM, Keller B, Warnatz K, van de Ven A, van Laar JM, Nierkens S, Leavis HL. Targeted Proteomics Reveals Inflammatory Pathways that Classify Immune Dysregulation in Common Variable Immunodeficiency. J Clin Immunol 2020; 41:362-373. [PMID: 33190167 PMCID: PMC7858548 DOI: 10.1007/s10875-020-00908-1] [Citation(s) in RCA: 15] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/21/2020] [Accepted: 11/03/2020] [Indexed: 12/15/2022]
Abstract
Patients with common variable immunodeficiency (CVID) can develop immune dysregulation complications such as autoimmunity, lymphoproliferation, enteritis, and malignancy, which cause significant morbidity and mortality. We aimed to (i) assess the potential of serum proteomics in stratifying patients with immune dysregulation using two independent cohorts and (ii) identify cytokine and chemokine signaling pathways that underlie immune dysregulation in CVID. A panel of 180 markers was measured in two multicenter CVID cohorts using Olink Protein Extension Assay technology. A classification algorithm was trained to distinguish CVID with immune dysregulation (CVIDid, n = 14) from CVID with infections only (CVIDio, n = 16) in the training cohort, and validated on a second testing cohort (CVIDid n = 23, CVIDio n = 24). Differential expression in both cohorts was used to determine relevant signaling pathways. An elastic net classifier using MILR1, LILRB4, IL10, IL12RB1, and CD83 could discriminate between CVIDid and CVIDio patients with a sensitivity of 0.83, specificity of 0.75, and area under the curve of 0.73 in an independent testing cohort. Activated pathways (fold change > 1.5, FDR-adjusted p < 0.05) in CVIDid included Th1 and Th17-associated signaling, as well as IL10 and other immune regulatory markers (LAG3, TNFRSF9, CD83). Targeted serum proteomics provided an accurate and reproducible tool to discriminate between patients with CVIDid and CVIDio. Cytokine profiles provided insight into activation of Th1 and Th17 pathways and indicate a possible role for chronic inflammation and exhaustion in immune dysregulation. These findings serve as a first step towards the development of biomarkers for immune dysregulation in CVID.
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Affiliation(s)
- Roos-Marijn Berbers
- Department of Rheumatology & Clinical Immunology, University Medical Center Utrecht and Utrecht University, Heidelberglaan 100, 3584 CX, Utrecht, The Netherlands
| | - Julia Drylewicz
- Center for Translational Immunology, University Medical Center Utrecht and Utrecht University, Utrecht, The Netherlands
| | - Pauline M Ellerbroek
- Department of Internal Medicine and Infectious Diseases, University Medical Center Utrecht and Utrecht University, Utrecht, The Netherlands
| | - Joris M van Montfrans
- Department of Pediatric Immunology and Infectious Diseases, University Medical Center Utrecht and Utrecht University, Utrecht, The Netherlands
| | - Virgil A S H Dalm
- Department of Internal Medicine, Division of Clinical Immunology; Department of Immunology; Academic Center for Rare Immunological Diseases (RIDC), Erasmus University Medical Center Rotterdam, Rotterdam, The Netherlands
| | - P Martin van Hagen
- Department of Internal Medicine, Division of Clinical Immunology; Department of Immunology; Academic Center for Rare Immunological Diseases (RIDC), Erasmus University Medical Center Rotterdam, Rotterdam, The Netherlands
| | - Baerbel Keller
- Department of Rheumatology and Clinical Immunology, Medical Center - University of Freiburg, Faculty of Medicine, University of Freiburg, Freiburg, Germany.,Center for Chronic Immunodeficiency (CCI), Medical Center - University of Freiburg, Faculty of Medicine, University of Freiburg, Freiburg, Germany
| | - Klaus Warnatz
- Department of Rheumatology and Clinical Immunology, Medical Center - University of Freiburg, Faculty of Medicine, University of Freiburg, Freiburg, Germany.,Center for Chronic Immunodeficiency (CCI), Medical Center - University of Freiburg, Faculty of Medicine, University of Freiburg, Freiburg, Germany
| | - Annick van de Ven
- Departments of Internal Medicine and Allergology, Rheumatology and Clinical Immunology, University Medical Center Groningen, Groningen, The Netherlands
| | - Jaap M van Laar
- Department of Rheumatology & Clinical Immunology, University Medical Center Utrecht and Utrecht University, Heidelberglaan 100, 3584 CX, Utrecht, The Netherlands
| | - Stefan Nierkens
- Center for Translational Immunology, University Medical Center Utrecht and Utrecht University, Utrecht, The Netherlands
| | - Helen L Leavis
- Department of Rheumatology & Clinical Immunology, University Medical Center Utrecht and Utrecht University, Heidelberglaan 100, 3584 CX, Utrecht, The Netherlands.
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