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Balint G, Watson Buchanan W, Kean CA, Kean W, Rainsford KD. Sjögren's syndrome. Inflammopharmacology 2024; 32:37-43. [PMID: 37195497 DOI: 10.1007/s10787-023-01222-z] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/16/2023] [Accepted: 03/27/2023] [Indexed: 05/18/2023]
Abstract
Sjögren's syndrome (SS) is characterised as keratoconjunctivitis sicca (dry eyes), xerostomia (dry mouth) commonly associated with salivary gland enlargement, and is referred to as Primary Sjögren's syndrome. It is known as Secondary Sjögren's syndrome when it occurs in patients, with connective tissue disease, such as rheumatoid arthritis, systemic lupus erythematosus, polyarthritis nodosa, polymyositis, and systemic sclerosis. SS has also been associated with chronic graft-versus-host disease after allogeneic bone marrow transplantation, human immunodeficiency syndrome (AIDS), hepatitis C infection (HCV), chronic biliary cirrhosis, neoplastic and myeloplastic syndromes, fibromyalgia, and chronic fatigue syndrome.
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Affiliation(s)
- Geza Balint
- 3rd Department of Rheumatology, National Institute of Rheumatology and Physiotherapy, Frankel Leó út 27-29, Budapest, 1023, Hungary
| | - W Watson Buchanan
- Department of Medicine, McMaster University, Hamilton, ON, L8P 1H6, Canada
| | - Colin A Kean
- Haldimand War Memorial Hospital, 400 Broad Street, Dunnville, ON, N1A 2P7, Canada
| | - Walter Kean
- Department of Medicine, McMaster University, Hamilton, ON, L8P 1H6, Canada.
- Haldimand War Memorial Hospital, 400 Broad Street, Dunnville, ON, N1A 2P7, Canada.
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2
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Duret PM, Schleiss C, Kawka L, Meyer N, Ye T, Saraux A, Devauchelle-Pensec V, Seror R, Larroche C, Perdriger A, Sibilia J, Vallat L, Fornecker LM, Nocturne G, Mariette X, Gottenberg JE. Association Between Bruton's Tyrosine Kinase Gene Overexpression and Risk of Lymphoma in Primary Sjögren's Syndrome. Arthritis Rheumatol 2023; 75:1798-1811. [PMID: 37115807 DOI: 10.1002/art.42550] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/08/2021] [Revised: 02/22/2023] [Accepted: 04/25/2023] [Indexed: 04/29/2023]
Abstract
OBJECTIVE We undertook this study to analyze whole blood gene expression and to investigate the role of B cell genes in primary Sjögren's syndrome-related non-Hodgkin lymphoma (primary SS-NHL). METHODS Peripheral whole blood samples were collected from 345 well-phenotyped patients with primary SS enrolled in the prospective Assessment of Systemic Signs and Evolution in Sjögren's Syndrome (ASSESS) cohort. Transcriptomic analysis was performed using human Clariom S Arrays (Affymetrix). In our primary analysis, we considered patients with incident lymphoma (i-primary SS-NHL) as the case group and all patients without lymphoma as the comparison group. In our sensitivity analyses, we considered all patients with primary SS-NHL, including those with a history of lymphoma (h-primary SS-NHL), as the case group and primary SS patients without lymphoma, stratified on their risk factors of lymphoma, as the comparison group. RESULTS Twenty-one patients with primary SS-NHL (including 8 with i-primary SS-NHL and 13 h-primary SS-NHL) were eligible for transcriptomic analysis; we compared these patients to 324 primary SS controls without lymphoma, including 110 with moderate to severe disease activity and 61 with no risk factor of lymphoma. Functional clustering analyses revealed an enrichment of genes related to innate and adaptive immunity, including B cell-related genes. Bruton's tyrosine kinase (BTK) and a proliferation-inducing ligand (APRIL) genes were overexpressed before the occurrence of lymphoma in patients with incident lymphoma compared with patients without lymphoma. In sensitivity analyses, BTK was consistently up-regulated across all comparisons performed. BTK expression was associated with risk of lymphoma on multivariate analyses, which considered 9 validated predictors of lymphoma in primary SS. CONCLUSION BTK and APRIL were overexpressed in the peripheral blood of primary SS patients prior to lymphoma. The association between BTK, APRIL, and primary SS-NHL requires confirmation in other prospective cohorts.
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Affiliation(s)
| | - Cedric Schleiss
- CNRS, Immunopathologie et Chimie Thérapeutique/Laboratory of Excellence Medalis, Institut de Biologie Moléculaire et Cellulaire, Strasbourg, France
| | - Lou Kawka
- National Reference Centre For Rare Systemic Autoimmune Diseases, Department of Rheumatology, Strasbourg University Hospital, University of Strasbourg, Strasbourg, France
| | - Nicolas Meyer
- Department of Public Health, GMRC, Strasbourg University Hospital, Strasbourg, France
| | - Tao Ye
- GenomEAST platform, Institut National de la Santé et de la Recherche Médicale, U1258, Institut de Génétique et de Biologie Moléculaire, IGBMC, Illkirch, France
| | - Alain Saraux
- Department of Rheumatology, Brest University Hospital, UBO, INSERM 1227, LabEx IGO, Centre de Référence Maladies Rares CERAINO, Brest, France
| | - Valérie Devauchelle-Pensec
- Department of Rheumatology, Brest University Hospital, UBO, INSERM 1227, LabEx IGO, Centre de Référence Maladies Rares CERAINO, Brest, France
| | - Raphaele Seror
- Department of Rheumatology, Université Paris-Saclay, Hôpital Bicêtre, Assistance Publique-Hôpitaux de Paris, INSERM UMR1184, Centre for Immunology of Viral Infections and Autoimmune Diseases, Assistance Publique-Hôpitaux de Paris, Hôpitaux Universitaires Paris-Sud, Le Kremlin-Bicêtre, INSERM, Paris, France
| | - Claire Larroche
- Department of Internal Medicine, Assistance Publique-Hôpitaux de Paris, Hôpital Avicenne, Bobigny, France
| | - Aleth Perdriger
- Department of Rheumatology, Rennes University Hospital, Rennes, France
| | - Jean Sibilia
- National Reference Centre For Rare Systemic Autoimmune Diseases, Department of Rheumatology, Strasbourg University Hospital, University of Strasbourg, Strasbourg, France
| | - Laurent Vallat
- Laboratory Hematology, Strasbourg University Hospital, INSERM U1113, IRFAC, Strasbourg, France
| | - Luc-Matthieu Fornecker
- Department of Hematology, Strasbourg University Hospital, Institut de Cancérologie Strasbourg Europe, Strasbourg, France
| | - Gaetane Nocturne
- Department of Rheumatology, Université Paris-Saclay, Hôpital Bicêtre, Assistance Publique-Hôpitaux de Paris, INSERM UMR1184, Centre for Immunology of Viral Infections and Autoimmune Diseases, Assistance Publique-Hôpitaux de Paris, Hôpitaux Universitaires Paris-Sud, Le Kremlin-Bicêtre, INSERM, Paris, France
| | - Xavier Mariette
- Department of Rheumatology, Université Paris-Saclay, Hôpital Bicêtre, Assistance Publique-Hôpitaux de Paris, INSERM UMR1184, Centre for Immunology of Viral Infections and Autoimmune Diseases, Assistance Publique-Hôpitaux de Paris, Hôpitaux Universitaires Paris-Sud, Le Kremlin-Bicêtre, INSERM, Paris, France
| | - Jacques-Eric Gottenberg
- CNRS, Immunopathologie et Chimie Thérapeutique/Laboratory of Excellence Medalis, Institut de Biologie Moléculaire et Cellulaire, Strasbourg, France; National Reference Centre For Rare Systemic Autoimmune Diseases, Department of Rheumatology, Strasbourg University Hospital, University of Strasbourg, Strasbourg, France
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3
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Bende RJ, Slot LM, Kwakkenbos MJ, Wormhoudt TA, Jongejan A, Verstappen GM, van Kampen AC, Guikema JE, Kroese FG, van Noesel CJ. Lymphoma-associated mutations in autoreactive memory B cells of patients with Sjögren's syndrome. J Pathol 2023; 259:264-275. [PMID: 36426826 PMCID: PMC10108009 DOI: 10.1002/path.6039] [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: 06/14/2022] [Revised: 11/01/2022] [Accepted: 11/23/2022] [Indexed: 11/27/2022]
Abstract
We recently demonstrated that normal memory B lymphocytes carry a substantial number of de novo mutations in the genome. Here, we performed exome-wide somatic mutation analyses of bona fide autoreactive rheumatoid factor (RF)-expressing memory B cells retrieved from patients with Sjӧgren's syndrome (SS). The amount and repertoire of the de novo exome mutations of RF B cells were found to be essentially different from those detected in healthy donor memory B cells. In contrast to the mutation spectra of normal B cells, which appeared random and non-selected, the mutations of the RF B cells were greater in number and enriched for mutations in genes also found mutated in B-cell non-Hodgkin lymphomas. During the study, one of the SS patients developed a diffuse large B-cell lymphoma (DLBCL) out of an RF clone that was identified 2 years earlier in an inflamed salivary gland biopsy. The successive oncogenic events in the RF precursor clone and the DLBCL were assessed. In conclusion, our findings of enhanced and selected genomic damage in growth-regulating genes in RF memory B cells of SS patients together with the documented transformation of an RF-precursor clone into DLBCL provide unique novel insight into the earliest stages of B-cell derailment and lymphomagenesis. © 2022 The Authors. The Journal of Pathology published by John Wiley & Sons Ltd on behalf of The Pathological Society of Great Britain and Ireland.
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Affiliation(s)
- Richard J Bende
- Department of Pathology, Amsterdam UMC, University of Amsterdam, Amsterdam, The Netherlands.,Lymphoma and Myeloma Center (LYMMCARE), Amsterdam, The Netherlands.,Cancer Center Amsterdam (CCA), Amsterdam, The Netherlands
| | - Linda M Slot
- Department of Pathology, Amsterdam UMC, University of Amsterdam, Amsterdam, The Netherlands.,Lymphoma and Myeloma Center (LYMMCARE), Amsterdam, The Netherlands.,Cancer Center Amsterdam (CCA), Amsterdam, The Netherlands
| | | | - Thera Am Wormhoudt
- Department of Pathology, Amsterdam UMC, University of Amsterdam, Amsterdam, The Netherlands.,Lymphoma and Myeloma Center (LYMMCARE), Amsterdam, The Netherlands.,Cancer Center Amsterdam (CCA), Amsterdam, The Netherlands
| | - Aldo Jongejan
- Bioinformatics Laboratory, Epidemiology & Data Science, Amsterdam UMC, University of Amsterdam, Amsterdam, The Netherlands
| | - Gwenny M Verstappen
- Department of Rheumatology and Clinical Immunology, UMC Groningen, University of Groningen, Groningen, The Netherlands
| | - Antoine Cm van Kampen
- Bioinformatics Laboratory, Epidemiology & Data Science, Amsterdam UMC, University of Amsterdam, Amsterdam, The Netherlands.,Biosystems Data analysis, Swammerdam Institute for Life Sciences, University of Amsterdam, Amsterdam, The Netherlands
| | - Jeroen Ej Guikema
- Department of Pathology, Amsterdam UMC, University of Amsterdam, Amsterdam, The Netherlands.,Lymphoma and Myeloma Center (LYMMCARE), Amsterdam, The Netherlands.,Cancer Center Amsterdam (CCA), Amsterdam, The Netherlands
| | - Frans Gm Kroese
- Department of Rheumatology and Clinical Immunology, UMC Groningen, University of Groningen, Groningen, The Netherlands
| | - Carel Jm van Noesel
- Department of Pathology, Amsterdam UMC, University of Amsterdam, Amsterdam, The Netherlands.,Lymphoma and Myeloma Center (LYMMCARE), Amsterdam, The Netherlands.,Cancer Center Amsterdam (CCA), Amsterdam, The Netherlands
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4
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Reed JH. Transforming mutations in the development of pathogenic B cell clones and autoantibodies. Immunol Rev 2022; 307:101-115. [PMID: 35001403 DOI: 10.1111/imr.13064] [Citation(s) in RCA: 7] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/06/2021] [Revised: 12/31/2021] [Accepted: 01/01/2022] [Indexed: 12/16/2022]
Abstract
Autoimmune diseases are characterized by serum autoantibodies, some of which are pathogenic, causing severe manifestations and organ injury. However, autoantibodies of the same antigenic reactivity are also present in the serum of asymptomatic people years before they develop any clinical signs of autoimmunity. Autoantibodies can arise during multiple stages of B cell development, and various genetic and environmental factors drive their production. However, what drives the development of pathogenic autoantibodies is poorly understood. Advances in single-cell technology have enabled the deep analysis of rare B cell clones producing pathogenic autoantibodies responsible for vasculitis in patients with primary Sjögren's syndrome complicated by mixed cryoglobulinaemia. These findings demonstrated a cascade of genetic events involving stereotypic immunoglobulin V(D)J recombination and transforming somatic mutations in lymphoma genes and V(D)J regions that disrupted antibody quality control mechanisms and decreased autoantibody solubility. Most studies consider V(D)J mutations that enhance autoantibody affinity to drive pathology; however, V(D)J mutations that increase autoantibody propensity to form insoluble complexes could be a major contributor to autoantibody pathogenicity. Defining the molecular characteristics of pathogenic autoantibodies and failed tolerance checkpoints driving their formation will improve prognostication, enabling early treatment to prevent escalating organ damage and B cell malignancy.
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Affiliation(s)
- Joanne H Reed
- Westmead Institute for Medical Research, Centre for Immunology and Allergy Research, Westmead, NSW, Australia.,Faculty of Medicine and Health, School of Medical Sciences, The University of Sydney, Sydney, NSW, Australia
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Sandhya P, Kabeerdoss J, Christudoss P, Arulraj R, Mandal SK, Janardana R, Chebbi PP, Ganesan MP, Mahasampath G, Danda D. Salivary free light chains and salivary immunoglobulins as potential non-invasive biomarkers in primary Sjögren's syndrome. Int J Rheum Dis 2021; 25:61-69. [PMID: 34791797 DOI: 10.1111/1756-185x.14242] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/31/2021] [Revised: 09/29/2021] [Accepted: 10/25/2021] [Indexed: 11/28/2022]
Abstract
BACKGROUND B cells contribute significantly to the pathogenesis of primary Sjögren's syndrome (pSS). Free light chains (FLCs) are generated during the production of immunoglobulins (Igs) and are surrogates of B cell activity. We hypothesized that salivary FLCs and salivary Igs could represent salivary gland inflammation and therefore, serve as biomarkers in pSS. METHODS Patients >18 years old fulfilling the American College of Rheumatology / European League Against Rheumatism (EULAR) 2016 criteria for pSS and age-matched healthy and disease controls (sicca non-pSS, rheumatoid arthritis, systemic lupus erythematosus) were recruited for this cross-sectional study. FLCs in saliva and serum were measured by immunoturbidimetry. Serum and salivary Igs were measured by nephelometry and enzyme-linked immunosorbent assay, respectively. Area under the receiver operator characteristic curve was determined. The factors influencing the serum and salivary FLCs in pSS were determined using backward linear regression. RESULTS A total of 78 patients with pSS, 76 healthy controls and 62 disease controls were recruited. Median EULAR SS disease activity index (interquartile range) was 1 (3.75). Serum FLCκ and FLCλ, salivary FLCλ, serum and salivary IgG, salivary IgM was significantly higher in the pSS group compared to the controls. Areas under the curve for salivary FLCλ, serum FLCκ, serum and salivary IgG were 0.75, 0.72, 0.78 and 0.77, respectively. Regression analysis showed that salivary FLCκ, salivary FLCλ and salivary IgG were associated with positive salivary gland histopathology. Use of immunosuppressants and glucocorticoids was associated with lower values of salivary parameters. CONCLUSION Salivary FLCλ and salivary IgG were significantly different between pSS and control groups and could be potential non-invasive biomarkers in pSS. These findings should be confirmed in larger longitudinal studies.
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Affiliation(s)
- Pulukool Sandhya
- Department of Clinical Immunology & Rheumatology, Christian Medical College and Hospital Vellore, Vellore, India
| | - Jayakanthan Kabeerdoss
- Department of Clinical Immunology & Rheumatology, Christian Medical College and Hospital Vellore, Vellore, India
| | - Pamela Christudoss
- Department of Clinical Biochemistry, Christian Medical College and Hospital Vellore, Vellore, India
| | - Roy Arulraj
- Department of Clinical Immunology & Rheumatology, Christian Medical College and Hospital Vellore, Vellore, India
| | - Santosh Kumar Mandal
- Department of Clinical Immunology & Rheumatology, Christian Medical College and Hospital Vellore, Vellore, India
| | - Ramya Janardana
- Department of Clinical Immunology & Rheumatology, Christian Medical College and Hospital Vellore, Vellore, India
| | - Pramod Prahlad Chebbi
- Department of Clinical Immunology & Rheumatology, Christian Medical College and Hospital Vellore, Vellore, India
| | | | - Gowri Mahasampath
- Department of Biostatistics, Christian Medical College and Hospital Vellore, Vellore, India
| | - Debashish Danda
- Department of Clinical Immunology & Rheumatology, Christian Medical College and Hospital Vellore, Vellore, India
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Kedra J, Seror R, Dieudé P, Constantin A, Toussirot E, Kfoury E, Masson C, Cornec D, Dubost JJ, Marguerie L, Ottaviani S, Grados F, Belkhir R, Fain O, Goupille P, Sordet C, Fautrel B, Philippe P, Piperno M, Combe B, Lambotte O, Richez C, Sellam J, Sené T, Denis G, Lequerre T, Lazure T, Mariette X, Nocturne G. Lymphoma complicating rheumatoid arthritis: results from a French case-control study. RMD Open 2021; 7:rmdopen-2021-001698. [PMID: 34470830 PMCID: PMC8413949 DOI: 10.1136/rmdopen-2021-001698] [Citation(s) in RCA: 10] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Key Words] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/12/2021] [Accepted: 07/12/2021] [Indexed: 11/08/2022] Open
Abstract
Objectives To study the characteristics of B-cell non-Hodgkin’s lymphoma (NHL) or Hodgkin lymphoma complicating rheumatoid arthritis (RA) and to identify RA-related factors associated with their occurrence. Methods A multicentre case–control study was performed in France. Cases were patients with RA fulfilling ACR-EULAR 2010 criteria in whom B-cell NHL or Hodgkin lymphoma developed after the diagnosis of RA. For each case, 2 controls were assigned at random from the ESPOIR cohort and were matched on age at lymphoma diagnosis (cases)/age at the 10-year follow-up visit in the cohort (controls). Case and control characteristics were compared to identify parameters associated with the occurrence of lymphoma. Results 54 cases were included and matched to 108 controls. Lymphomas were mostly diffuse large B-cell lymphoma (DLBCL, n=27, 50.0%). On immunochemistry, 4 of 27 (14.8%) lymphoma cases were positive for Epstein-Barr virus. On univariate analysis, factors associated with the occurrence of lymphoma were male sex (OR 3.3, 95% CI 1.7 to 6.7), positivity for ACPA (OR 5.1, 95% CI 2.0 to 15.7) and rheumatoid factor (OR 3.9, 95% CI 1.6 to 12.2), and erosions on radiographs (OR 3.8, 95% CI 1.7 to 8.3) and DAS28 (OR 2.0, 95% CI 1.5 to 2.7), both at the time of matching. Methotrexate, TNF blockers and a number of previous biologics were not associated with the occurrence of lymphoma. On multivariable analysis, erosions and DAS28 remained significantly associated with increased risk of lymphoma. Conclusion Lymphomas complicating RA are mostly DLBCL. Risk of lymphoma in patients with RA was increased with markers of disease activity and severity, which supports the paradigm of a continuum between autoimmunity and lymphomagenesis in RA.
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Affiliation(s)
- Joanna Kedra
- Department of Rheumatology, FHU CARE, AP-HP, Hôpital Bicêtre, Le Kremlin-Bicetre, Île-de-France, France.,INSERM UMR1184, Center for Immunology of Viral Infections and Autoimmune Diseases, Paris-Saclay University Faculty of Medicine, Le Kremlin-Bicetre, Île-de-France, France
| | - Raphaele Seror
- Department of Rheumatology, FHU CARE, AP-HP, Hôpital Bicêtre, Le Kremlin-Bicetre, Île-de-France, France.,INSERM UMR1184, Center for Immunology of Viral Infections and Autoimmune Diseases, Paris-Saclay University Faculty of Medicine, Le Kremlin-Bicetre, Île-de-France, France
| | - Philippe Dieudé
- Rheumatology Department, Bichat Hospital, APHP, Paris, France
| | | | - Eric Toussirot
- Clinical Investigation Center Biotherapy INSERM CBT-506, University Hospital of Besançon, Besançon, France.,Rheumatology, University Hospital of Besançon, Besançon, France
| | - Elias Kfoury
- Hematology Department, Centre Hospitalier General Dubois, Brive-la-Gaillarde, Limousin, France
| | - Charles Masson
- Rheumatology, University Hospital Centre Angers, Angers, Pays de la Loire, France
| | | | | | | | | | - Franck Grados
- Rheumatology, University Hospital Centre Amiens-Picardie, Amiens, Hauts-de-France, France
| | - Rakiba Belkhir
- Department of Rheumatology, FHU CARE, AP-HP, Hôpital Bicêtre, Le Kremlin-Bicetre, Île-de-France, France
| | - Olivier Fain
- Service de Médecine Interne, DHUi2B, Hôpital Saint Antoine, AP HP, Université Pierre et Marie Curie, Paris, France
| | | | - Christelle Sordet
- Rheumatology, Hôpitaux Universitaires de Strasbourg, Strasbourg, France
| | - Bruno Fautrel
- Rheumatology, Assistance Publique - Hopitaux de Paris, Paris, France.,GRC08 - IPLESP, UPMC Faculte de Medecine, Paris, France
| | | | | | - Bernard Combe
- Department of Rheumatology, University of Montpellier, Montpellier, Languedoc-Roussillon, France
| | | | - Christophe Richez
- Service de Rhumatologie, Hôpital Pellegrin, CHU de Bordeaux, Bordeaux, France
| | - Jérémie Sellam
- Rheumatology, INSERM UMRS_938, Sorbonnes Université UPMC Univ Paris 06, St-Antoine Hospital, DHU i2B, Paris, France
| | - Thomas Sené
- Internal Medicine, The Fondation Adolphe de Rothschild Hospital, Paris, France
| | - Guillaume Denis
- Hematology department, Rochefort Hospital, Groupe Hospitalier Littoral Atlantique, Rochefort, France
| | - Thierry Lequerre
- Rheumatology Department & Inserm 905, Rouen University Hospital, Rouen, France
| | - Thierry Lazure
- Anatomical Pathology Department, Bicêtre Hospital, Assistance Publique - Hopitaux de Paris, Le Kremlin-Bicêtre, Île-de-France, France
| | - Xavier Mariette
- Department of Rheumatology, FHU CARE, AP-HP, Hôpital Bicêtre, Le Kremlin-Bicetre, Île-de-France, France.,INSERM UMR1184, Center for Immunology of Viral Infections and Autoimmune Diseases, Paris-Saclay University Faculty of Medicine, Le Kremlin-Bicetre, Île-de-France, France
| | - Gaetane Nocturne
- Department of Rheumatology, FHU CARE, AP-HP, Hôpital Bicêtre, Le Kremlin-Bicetre, Île-de-France, France .,INSERM UMR1184, Center for Immunology of Viral Infections and Autoimmune Diseases, Paris-Saclay University Faculty of Medicine, Le Kremlin-Bicetre, Île-de-France, France
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Thurner L, Hartmann S, Neumann F, Hoth M, Stilgenbauer S, Küppers R, Preuss KD, Bewarder M. Role of Specific B-Cell Receptor Antigens in Lymphomagenesis. Front Oncol 2020; 10:604685. [PMID: 33363034 PMCID: PMC7756126 DOI: 10.3389/fonc.2020.604685] [Citation(s) in RCA: 11] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/10/2020] [Accepted: 11/02/2020] [Indexed: 12/22/2022] Open
Abstract
The B-cell receptor (BCR) signaling pathway is a crucial pathway of B cells, both for their survival and for antigen-mediated activation, proliferation and differentiation. Its activation is also critical for the genesis of many lymphoma types. BCR-mediated lymphoma proliferation may be caused by activating BCR-pathway mutations and/or by active or tonic stimulation of the BCR. BCRs of lymphomas have frequently been described as polyreactive. In this review, the role of specific target antigens of the BCRs of lymphomas is highlighted. These antigens have been found to be restricted to specific lymphoma entities. The antigens can be of infectious origin, such as H. pylori in gastric MALT lymphoma or RpoC of M. catarrhalis in nodular lymphocyte predominant Hodgkin lymphoma, or they are autoantigens. Examples of such autoantigens are the BCR itself in chronic lymphocytic leukemia, LRPAP1 in mantle cell lymphoma, hyper-N-glycosylated SAMD14/neurabin-I in primary central nervous system lymphoma, hypo-phosphorylated ARS2 in diffuse large B-cell lymphoma, and hyper-phosphorylated SLP2, sumoylated HSP90 or saposin C in plasma cell dyscrasia. Notably, atypical posttranslational modifications are often responsible for the immunogenicity of many autoantigens. Possible therapeutic approaches evolving from these specific antigens are discussed.
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Affiliation(s)
- Lorenz Thurner
- Department of Internal Medicine I, José Carreras Center for Immuno- and Gene Therapy, Saarland University Medical School, Homburg, Germany
| | - Sylvia Hartmann
- Dr. Senckenberg Institute of Pathology, Goethe University, Frankfurt a. Main, Germany
| | - Frank Neumann
- Department of Internal Medicine I, José Carreras Center for Immuno- and Gene Therapy, Saarland University Medical School, Homburg, Germany
| | - Markus Hoth
- Department of Biophysics, Center for Integrative Physiology and Molecular Medicine, School of Medicine, Saarland University, Homburg, Germany
| | - Stephan Stilgenbauer
- Department of Internal Medicine I, José Carreras Center for Immuno- and Gene Therapy, Saarland University Medical School, Homburg, Germany
| | - Ralf Küppers
- Medical School, Institute of Cell Biology (Cancer Research), University of Duisburg-Essen, Essen, Germany.,Deutsches Konsortium für translationale Krebsforschung (DKTK), Partner Site Essen, Essen, Germany
| | - Klaus-Dieter Preuss
- Department of Internal Medicine I, José Carreras Center for Immuno- and Gene Therapy, Saarland University Medical School, Homburg, Germany
| | - Moritz Bewarder
- Department of Internal Medicine I, José Carreras Center for Immuno- and Gene Therapy, Saarland University Medical School, Homburg, Germany
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8
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Cryoglobulinemic vasculitis in primary Sjögren's Syndrome: Clinical presentation, association with lymphoma and comparison with Hepatitis C-related disease. Semin Arthritis Rheum 2020; 50:846-853. [PMID: 32896698 DOI: 10.1016/j.semarthrit.2020.07.013] [Citation(s) in RCA: 22] [Impact Index Per Article: 5.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/28/2020] [Revised: 07/17/2020] [Accepted: 07/23/2020] [Indexed: 12/19/2022]
Abstract
OBJECTIVE To describe the clinical spectrum of cryoglobulinemic vasculitis (CV) in primary Sjögren's syndrome (pSS), investigate its relation to lymphoma and identify the differences with hepatitis C virus (HCV) related CV. METHODS From a multicentre study population of consecutive pSS patients, those who had been evaluated for cryoglobulins and fulfilled the 2011 classification criteria for CV were identified retrospectively. pSS-CV patients were matched with pSS patients without cryoglobulins (1:2) and HCV-CV patients (1:1). Clinical, laboratory and outcome features were analyzed. A data driven logistic regression model was applied for pSS-CV patients and their pSS cryoglobulin negative controls to identify independent features associated with lymphoma. RESULTS 1083 pSS patients were tested for cryoglobulins. 115 (10.6%) had cryoglobulinemia and 71 (6.5%) fulfilled the classification criteria for CV. pSS-CV patients had higher frequency of extraglandular manifestations and lymphoma (OR=9.87, 95% CI: 4.7-20.9) compared to pSS patients without cryoglobulins. Purpura was the commonest vasculitic manifestation (90%), presenting at disease onset in 39% of patients. One third of pSS-CV patients developed B-cell lymphoma within the first 5 years of CV course, with cryoglobulinemia being the strongest independent lymphoma associated feature. Compared to HCV-CV patients, pSS-CV individuals displayed more frequently lymphadenopathy, type II IgMk cryoglobulins and lymphoma (OR = 6.12, 95% CI: 2.7-14.4) and less frequently C4 hypocomplementemia and peripheral neuropathy. CONCLUSION pSS-CV has a severe clinical course, overshadowing the typical clinical manifestations of pSS and higher risk for early lymphoma development compared to HCV related CV. Though infrequent, pSS-CV constitutes a distinct severe clinical phenotype of pSS.
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9
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Bende RJ, Janssen J, Beentjes A, Wormhoudt TAM, Wagner K, Haacke EA, Kroese FGM, Guikema JEJ, van Noesel CJM. Salivary Gland Mucosa-Associated Lymphoid Tissue-Type Lymphoma From Sjögren's Syndrome Patients in the Majority Express Rheumatoid Factors Affinity-Selected for IgG. Arthritis Rheumatol 2020; 72:1330-1340. [PMID: 32182401 PMCID: PMC7496822 DOI: 10.1002/art.41263] [Citation(s) in RCA: 22] [Impact Index Per Article: 5.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/02/2019] [Accepted: 03/12/2020] [Indexed: 12/13/2022]
Abstract
Objective Patients with Sjӧgren's syndrome (SS) have an increased risk of developing malignant B cell lymphomas, particularly mucosa‐associated lymphoid tissue (MALT)–type lymphomas. We have previously shown that a predominant proportion of patients with SS‐associated salivary gland MALT lymphoma express somatically hypermutated IgM with strong amino acid sequence homology with stereotypic rheumatoid factors (RFs). The present study was undertaken in a larger cohort of patients with SS‐associated MALT lymphoma to more firmly assess the frequency of RF reactivity and the significance of somatic IGV‐region mutations for RF reactivity. Methods B cell antigen receptors (BCRs) of 16 patients with SS‐associated salivary gland MALT lymphoma were analyzed. Soluble recombinant IgM was produced of 12 MALT lymphoma samples, including 1 MALT lymphoma sample that expressed an IgM antibody fitting in a novel IGHV3‐30–encoded stereotypic IGHV subset. For 4 of the 12 IgM antibodies from MALT lymphoma samples, the somatically mutated IGHV and IGKV gene sequences were reverted to germline configurations. Their RF activity and binding affinity were determined by enzyme‐linked immunosorbent assay and surface plasmon resonance, respectively. Results Nine (75%) of the 12 IgM antibodies identified in patients with SS‐associated salivary gland MALT lymphoma displayed strong monoreactive RF activity. Reversion of the IGHV and IGKV mutations to germline configuration resulted in RF affinities for IgG that were significantly lower for 3 of the 4 somatically mutated IgM antibodies. In stereotypic IGHV3‐7/IGKV3‐15–encoded RFs, a recurrent replacement mutation in the IGKV3‐15–third complementarity‐determining region was found to play a pivotal role in the affinity for IgG‐Fc. Conclusion A majority of patients with SS‐associated salivary gland MALT lymphoma express somatically mutated BCRs that are selected for monoreactive, high‐affinity binding of IgG‐Fc. These data underscore the notion that soluble IgG, most likely in immune complexes in inflamed tissues, is the principal autoantigen in the pathogenesis of a variety of B cell lymphomas, particularly SS‐associated MALT lymphomas.
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Affiliation(s)
- Richard J Bende
- Amsterdam University Medical Center and University of Amsterdam, Amsterdam, The Netherlands
| | - Jerry Janssen
- Amsterdam University Medical Center and University of Amsterdam, Amsterdam, The Netherlands
| | - Anna Beentjes
- Amsterdam University Medical Center and University of Amsterdam, Amsterdam, The Netherlands
| | - Thera A M Wormhoudt
- Amsterdam University Medical Center and University of Amsterdam, Amsterdam, The Netherlands
| | - Koen Wagner
- AIMM Therapeutics, Amsterdam, The Netherlands
| | - Erlin A Haacke
- University Medical Center Groningen and University of Groningen, Groningen, The Netherlands
| | - Frans G M Kroese
- University Medical Center Groningen and University of Groningen, Groningen, The Netherlands
| | - Jeroen E J Guikema
- Amsterdam University Medical Center and University of Amsterdam, Amsterdam, The Netherlands
| | - Carel J M van Noesel
- Amsterdam University Medical Center and University of Amsterdam, Amsterdam, The Netherlands
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10
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Traianos EY, Locke J, Lendrem D, Bowman S, Hargreaves B, Macrae V, Tarn JR, Ng WF. Serum CXCL13 levels are associated with lymphoma risk and lymphoma occurrence in primary Sjögren's syndrome. Rheumatol Int 2020; 40:541-548. [PMID: 32047959 PMCID: PMC7069897 DOI: 10.1007/s00296-020-04524-5] [Citation(s) in RCA: 18] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/04/2019] [Accepted: 01/21/2020] [Indexed: 12/19/2022]
Abstract
Primary Sjögren's syndrome (pSS) is an autoimmune disease characterised by an increased risk for non-Hodgkin lymphoma (NHL) development. Ectopic germinal centre (GC) in the salivary gland is associated with increased NHL risk in pSS, and the chemokine CXCL13 is implicated in B-cell migration and GC formation. Serum CXCL13 concentrations were quantified by ELISA in 48 healthy individuals, 273 pSS patients without NHL (pSS-nonL), and 38 pSS patients with NHL (pSS-NHL+) from the United Kingdom Primary Sjögren's Syndrome Registry cohort. PSS-nonL patients were stratified into low risk (LR), moderate risk (MR) and high risk (HR) groups according to the lymphoma risk score proposed by Fragkioudaki et al. Differences in serum CXCL13 levels among groups were analysed using the Wilcoxon method. Also, changes in serum CXCL13 over a time period of at least 1 year and a median 4 years were assessed for 200 pSS-nonL and 8 pSS-NHL+ patients. In addition, associations of serum CXCL13 with B-cell and inflammatory markers were investigated by correlation analyses and logistic regression. Serum CXCL13 levels were higher in all pSS groups compared to controls (p < 0.0001), and in pSS-NHL+ compared to pSS-nonL patients (p = 0.0204). LR patients had lower CXCL13 levels than MR patients (p < 0.0001) and pSS-NHL+ patients (p = 0.0008). CXCL13 levels remained stable over the study period for all pSS groups. CXCL13 was associated (p < 0.0005) with Immunoglobulin G (IgG), B-cell activating factor, β2 microglobulin, combined free light chains, κ and λ light chains, anti-Ro/SSA, anti-La/SSB, and erythrocyte sedimentation rate. IgG and C3 controlled for age and gender were significantly associated with NHL risk in pSS. Serum CXCL13 levels were elevated in pSS-NHL+ and MR patients compared to LR patients and remained stable over time. Further study is required to investigate the role of CXCL13 in pSS-associated NHL risk.
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Affiliation(s)
- Emmanuella Young Traianos
- Musculoskeletal Research Group, Faculty of Medical Sciences, Institute of Cellular Medicine, Newcastle University, Framlington Place, Newcastle upon Tyne, NE2 4HH UK
| | - James Locke
- Musculoskeletal Research Group, Faculty of Medical Sciences, Institute of Cellular Medicine, Newcastle University, Framlington Place, Newcastle upon Tyne, NE2 4HH UK
| | - Dennis Lendrem
- Musculoskeletal Research Group, Faculty of Medical Sciences, Institute of Cellular Medicine, Newcastle University, Framlington Place, Newcastle upon Tyne, NE2 4HH UK
| | | | - Ben Hargreaves
- NIHR Newcastle Biomedical Research Center, Newcastle upon Tyne, UK
| | - Victoria Macrae
- NIHR Newcastle Biomedical Research Center, Newcastle upon Tyne, UK
| | - UK primary Sjögren’s syndrome registry
- Musculoskeletal Research Group, Faculty of Medical Sciences, Institute of Cellular Medicine, Newcastle University, Framlington Place, Newcastle upon Tyne, NE2 4HH UK
- Univesity Hospital Birmingham, Birmingham, UK
- NIHR Newcastle Biomedical Research Center, Newcastle upon Tyne, UK
| | - Jessica Rachael Tarn
- Musculoskeletal Research Group, Faculty of Medical Sciences, Institute of Cellular Medicine, Newcastle University, Framlington Place, Newcastle upon Tyne, NE2 4HH UK
| | - Wan-Fai Ng
- Musculoskeletal Research Group, Faculty of Medical Sciences, Institute of Cellular Medicine, Newcastle University, Framlington Place, Newcastle upon Tyne, NE2 4HH UK
- NIHR Newcastle Biomedical Research Center, Newcastle upon Tyne, UK
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11
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De Vita S, Gandolfo S. Predicting lymphoma development in patients with Sjögren's syndrome. Expert Rev Clin Immunol 2019; 15:929-938. [PMID: 31347413 DOI: 10.1080/1744666x.2019.1649596] [Citation(s) in RCA: 27] [Impact Index Per Article: 5.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/27/2022]
Abstract
Introduction: The issue of predicting lymphoma in primary Sjögren's syndrome (pSS) starts from its clinical and biologic essence, i.e., an autoimmune exocrinopathy with sicca syndrome, inflammation and lymphoproliferation of MALT (mucosa-associated lymphoid tissue) in exocrine glands. Areas covered: The two major predictors to be firstly focused are persistent salivary gland (SG) swelling and cryoglobulinemic vasculitis with related features as purpura and low C4, or the sole serum cryoglobulinemia repeatedly detected. They are pathogenetically linked and reflect a heavier MALT involvement by histopathology, with the expansion of peculiar rheumatoid factor (RF)-positive clones/idiotypes. Other predictors include lymphadenopathy, splenomegaly, neutropenia, lymphopenia, serum beta2-microglobulin, monoclonal immunoglobulins, light chains, and RF. Composite indexes/scores may also predict lymphoma. Expert opinion: Prediction at baseline needs amelioration, and must be repeated in the follow-up. Careful clinical characterization, with harmonization and stratification of large cohorts, is a relevant preliminary step. Validated and new biomarkers are needed in biologic fluids and tissues. SG echography with automatic scoring could represent a future imaging biomarker, still lacking. Scoring MALT involvement in pSS, as an additional tool to evaluate disease activity and possibly to predict lymphoma, is welcomed. All these efforts are now ongoing within the HarmonicSS project and in other research initiatives in pSS.
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Affiliation(s)
- Salvatore De Vita
- Rheumatology Clinic, Udine University Hospital, Department of Medical Area, University of Udine , Udine , Italy
| | - Saviana Gandolfo
- Rheumatology Clinic, Udine University Hospital, Department of Medical Area, University of Udine , Udine , Italy
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12
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Nocturne G. [Sjögren's syndrome update: Clinical and therapeutic aspects]. Rev Med Interne 2019; 40:433-439. [PMID: 31027874 DOI: 10.1016/j.revmed.2019.03.329] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/18/2018] [Revised: 03/07/2019] [Accepted: 03/21/2019] [Indexed: 12/16/2022]
Abstract
Sjögren's syndrome (SS) is a systemic orphan disease. It is characterized by the involvement of epithelial tissues leading to the term of autoimmune epithelitis. New classification criteria have been developed in 2016. New scores have also been developed: a patient-reported outcome called ESSPRI and a score assessing systemic activity of the disease called ESSDAI. These new tools are very helpful to better stratify patients and to customize the management of this very heterogeneous disease. Among the autoimmune diseases, SS is associated with the highest risk of lymphoma. Five to ten percent of the patients will have a B cell lymphoma mostly a low-grade lymphoma developing from mucosa-associated lymphoid tissue (MALT). Major advances have been made in this field: pathogeny is better understood, new predictors are available and progresses have been made in the management of this severe complication. Research in the field of SS is very dynamic as illustrated by the high number of therapeutic trials. There is hope that these innovations, reviewed in the present article, will have potential significant repercussions for the patients in the next few years.
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Affiliation(s)
- G Nocturne
- Department of Rheumatology, hôpitaux universitaires Paris-Sud, AP-HP, 94270 Le Kremlin-Bicêtre, France; Inserm U1184, Center for immunology of viral infections and autoimmune diseases, Université Paris-Sud, 94270 Le Kremlin-Bicêtre, France.
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13
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Nocturne G, Pontarini E, Bombardieri M, Mariette X. Lymphomas complicating primary Sjögren's syndrome: from autoimmunity to lymphoma. Rheumatology (Oxford) 2019; 60:3513-3521. [PMID: 30838413 PMCID: PMC8328496 DOI: 10.1093/rheumatology/kez052] [Citation(s) in RCA: 43] [Impact Index Per Article: 8.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/16/2018] [Revised: 01/09/2019] [Indexed: 12/31/2022] Open
Abstract
Lymphoma development is the most serious complication of SS and the main factor impacting on mortality rate in patients with this condition. Lymphomas in SS are most commonly extranodal non-Hodgkin B-cell lymphomas of the mucosa-associated lymphoid tissue and frequently arise in salivary glands that are the target of a chronic inflammatory autoimmune process. Extensive work on lymphomagenesis in SS has established that the progression towards B-cell lymphoma is a multistep process related to local chronic antigenic stimulation of B cells. These neoplastic B cells in SS frequently derived from autoreactive clones, most commonly RF-producing B cells, which undergo uncontrolled proliferation and malignant escape. In this review, we highlight the most important recent findings that have enhanced our understanding of lymphoma development in SS, with particular reference to the close link between autoimmunity and lymphomagenesis. We also discuss how the identification of key factors involved in B-cell malignancies may impact on our ability to identify at early stages patients at increased risk of lymphoma with potential significant repercussions for the clinical management of SS patients. Finally, we identified the most promising areas of current and further research with the potential to provide novel basic and translational discoveries in the field. The questions of finding new biomarkers, developing a validated score for predicting lymphoma occurrence and assessing if a better control of disease activity will decrease the risk of lymphoma in primary SS will be the enthralling questions of the next few years.
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Affiliation(s)
- Gaetane Nocturne
- Department of Rheumatology, Université Paris-Sud, AP-HP, Hôpitaux Universitaires Paris-Sud, Centre for Immunology of Viral Infections and Autoimmune Diseases, INSERM UMR1184, Le Kremlin Bicêtre, France
| | - Elena Pontarini
- Centre for Experimental Medicine and Rheumatology, William Harvey Research Institute, Queen Mary University of London, London, UK
| | - Michele Bombardieri
- Centre for Experimental Medicine and Rheumatology, William Harvey Research Institute, Queen Mary University of London, London, UK
| | - Xavier Mariette
- Department of Rheumatology, Université Paris-Sud, AP-HP, Hôpitaux Universitaires Paris-Sud, Centre for Immunology of Viral Infections and Autoimmune Diseases, INSERM UMR1184, Le Kremlin Bicêtre, France
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14
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Thurner L, Hartmann S, Preuss KD, Bewarder M. The riddle of lymphoma BCR-antigenes. Oncotarget 2018; 9:35805-35806. [PMID: 30533194 PMCID: PMC6254678 DOI: 10.18632/oncotarget.26318] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/16/2018] [Accepted: 10/30/2018] [Indexed: 11/25/2022] Open
Affiliation(s)
- Lorenz Thurner
- José Carreras Center for Immuno- and Gene Therapy and Internal Medicine I, Saarland University Medical School, Homburg, Germany
| | - Sylvia Hartmann
- José Carreras Center for Immuno- and Gene Therapy and Internal Medicine I, Saarland University Medical School, Homburg, Germany
| | - Klaus-Dieter Preuss
- José Carreras Center for Immuno- and Gene Therapy and Internal Medicine I, Saarland University Medical School, Homburg, Germany
| | - Moritz Bewarder
- José Carreras Center for Immuno- and Gene Therapy and Internal Medicine I, Saarland University Medical School, Homburg, Germany
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15
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Singh N, Chin I, Gabriel P, Blaum E, Masli S. Dysregulated Marginal Zone B Cell Compartment in a Mouse Model of Sjögren's Syndrome with Ocular Inflammation. Int J Mol Sci 2018; 19:ijms19103117. [PMID: 30314337 PMCID: PMC6213455 DOI: 10.3390/ijms19103117] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/30/2018] [Revised: 09/24/2018] [Accepted: 10/05/2018] [Indexed: 12/23/2022] Open
Abstract
The risk of developing lymphoma in patients with Sjögren’s syndrome (SS) is 44 times higher than in the normal population with the most common lymphomas derived from marginal zone B (MZB) cells. Current understanding of the role of MZB cells in SS is primarily based on salivary gland pathology, while their contextual association with lacrimal glands and ocular manifestations largely remains unknown. We examined this possibility using a SS mouse model (thrombospondin-1 deficient (TSP1−/−)) with well-characterized ocular disease. We determined the frequency, localization, and cytokine profiles of MZB cells and their association with an antibody response in TSP1−/− mice treated with a TSP-derived peptide. A significantly increased frequency of MZB cells was detected in the spleens and lacrimal glands of TSP1−/− mice in comparison to wild-type tissues as detected by immunostaining. An altered cytokine profile of TSP1−/− MZB cells was supportive of T helper 17 (Th17)-related pathogenesis. A significantly reduced antibody response and the splenic MZB compartment against an eye-derived antigen were noted in TSP-derived peptide-treated mice. These changes correspond with the previously reported ability of the peptide to ameliorate SS-related ocular manifestations. Collectively, our results demonstrate dysregulation of MZB cells in TSP1−/− mice and highlight their role in the context of SS-related chronic ocular surface disease.
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Affiliation(s)
- Niharika Singh
- Department of Ophthalmology, Boston University School of Medicine, Boston, MA 02118, USA.
| | - Ian Chin
- Department of Ophthalmology, Boston University School of Medicine, Boston, MA 02118, USA.
| | - Paul Gabriel
- Department of Ophthalmology, Boston University School of Medicine, Boston, MA 02118, USA.
| | - Emily Blaum
- Department of Ophthalmology, Boston University School of Medicine, Boston, MA 02118, USA.
| | - Sharmila Masli
- Department of Ophthalmology, Boston University School of Medicine, Boston, MA 02118, USA.
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16
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Hyper- N-glycosylated SAMD14 and neurabin-I as driver autoantigens of primary central nervous system lymphoma. Blood 2018; 132:2744-2753. [PMID: 30249786 DOI: 10.1182/blood-2018-03-836932] [Citation(s) in RCA: 17] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/01/2018] [Accepted: 09/12/2018] [Indexed: 01/01/2023] Open
Abstract
To address the role of chronic antigenic stimulation in primary central nervous system lymphoma (PCNSL), we searched for autoantigens and identified sterile α-motif domain containing protein 14 (SAMD14) and neural tissue-specific F-actin binding protein I (neurabin-I) as autoantigenic targets of the B-cell receptors (BCRs) from 8/12 PCNSLs. In the respective cases, SAMD14 and neurabin-I were atypically hyper-N-glycosylated (SAMD14 at ASN339 and neurabin-I at ASN1277), explaining their autoimmunogenicity. SAMD14 and neurabin-I induced BCR pathway activation and proliferation of aggressive lymphoma cell lines transfected with SAMD14- and neurabin-I-reactive BCRs. Moreover, the BCR binding epitope of neurabin-I conjugated to truncated Pseudomonas exotoxin-killed lymphoma cells expressing the respective BCRs. These results support the role of chronic antigenic stimulation by posttranslationally modified central nervous system (CNS) driver autoantigens in the pathogenesis of PCNSL, serve as an explanation for their CNS tropism, and provide the basis for a novel specific treatment approach.
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17
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Pipi E, Nayar S, Gardner DH, Colafrancesco S, Smith C, Barone F. Tertiary Lymphoid Structures: Autoimmunity Goes Local. Front Immunol 2018; 9:1952. [PMID: 30258435 PMCID: PMC6143705 DOI: 10.3389/fimmu.2018.01952] [Citation(s) in RCA: 107] [Impact Index Per Article: 17.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/11/2018] [Accepted: 08/07/2018] [Indexed: 12/18/2022] Open
Abstract
Tertiary lymphoid structures (TLS) are frequently observed in target organs of autoimmune diseases. TLS present features of secondary lymphoid organs such as segregated T and B cell zones, presence of follicular dendritic cell networks, high endothelial venules and specialized lymphoid fibroblasts and display the mechanisms to support local adaptive immune responses toward locally displayed antigens. TLS detection in the tissue is often associated with poor prognosis of disease, auto-antibody production and malignancy development. This review focuses on the contribution of TLS toward the persistence of the inflammatory drive, the survival of autoreactive lymphocyte clones and post-translational modifications, responsible for the pathogenicity of locally formed autoantibodies, during autoimmune disease development.
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Affiliation(s)
- Elena Pipi
- Rheumatology Research Group, Institute of Inflammation and Ageing, University of Birmingham, Birmingham, United Kingdom.,Experimental Medicine Unit, Immuno-Inflammation Therapeutic Area, GSK Medicines Research Centre, Stevenage, United Kingdom
| | - Saba Nayar
- Rheumatology Research Group, Institute of Inflammation and Ageing, University of Birmingham, Birmingham, United Kingdom
| | - David H Gardner
- Rheumatology Research Group, Institute of Inflammation and Ageing, University of Birmingham, Birmingham, United Kingdom
| | | | - Charlotte Smith
- Rheumatology Research Group, Institute of Inflammation and Ageing, University of Birmingham, Birmingham, United Kingdom
| | - Francesca Barone
- Rheumatology Research Group, Institute of Inflammation and Ageing, University of Birmingham, Birmingham, United Kingdom
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18
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Wang JJ, Reed JH, Colella AD, Russell AJ, Murray-Brown W, Chataway TK, Jackson KJL, Goodnow CC, Gordon TP. Molecular Profiling and Clonal Tracking of Secreted Rheumatoid Factors in Primary Sjögren's Syndrome. Arthritis Rheumatol 2018; 70:1617-1625. [PMID: 29697211 DOI: 10.1002/art.40539] [Citation(s) in RCA: 19] [Impact Index Per Article: 3.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/29/2017] [Accepted: 04/19/2018] [Indexed: 12/11/2022]
Abstract
OBJECTIVE Rheumatoid factors (RFs) are associated with systemic disease in primary Sjögren's syndrome (SS) and may be pathogenic as mixed cryoglobulins. Current detection methods cannot resolve RFs at a molecular level. This study was undertaken to perform the first proteomic and transcriptomic analysis of secreted and membrane-bound IgM-RF in primary SS and identify unique heavy-chain peptide signatures for RF clonotype tracking. METHODS Purified heavy chains of serum RFs from 15 patients with primary SS were subjected to de novo mass spectrometric sequencing. The circulating B cell Ig repertoire was determined by massively parallel sequencing of IGH RNA from matched peripheral blood mononuclear cells (n = 7). RF-specific heavy-chain third complementarity-determining region (CDR3) peptides were identified by searching RF heavy-chain peptide sequences against the corresponding IGH RNA sequence libraries. Heavy-chain CDR3 peptides were used as biomarkers to track serum RF clonotypes using quantitative multiple reaction monitoring. RESULTS Serum RFs were clonally restricted and composed of shared sets of IgM heavy-chain variable region (Ig VH ) 1-69, 3-15, 3-7, and 3-74 subfamilies. Cryoprecipitable RFs from patients with mixed cryoglobulinemia (MC) were distinguishable from nonprecipitating RFs by a higher frequency of amino acid substitutions and identification of stereotypic heavy-chain CDR3 transcripts. Potentially pathogenic RF clonotypes were detected in serum by multiple reaction monitoring years before patients presented with MC. Levels of Ig VH 4-34 IgM-RF decreased following immunosuppression and remission of MC. CONCLUSION Cryoprecipitable RF clonotypes linked to vasculitis in primary SS have different molecular profiles than nonprecipitating RFs, suggesting different underlying mechanisms of production. The combined omics workflow presented herein provides molecular biomarkers for tracking and removal of pathogenic RF clones.
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Affiliation(s)
- Jing J Wang
- Flinders University and SA Pathology, Bedford Park, South Australia, Australia
| | - Joanne H Reed
- Garvan Institute of Medical Research, Darlinghurst, New South Wales, Australia
| | - Alex D Colella
- Flinders University and SA Pathology, Bedford Park, South Australia, Australia
| | - Amanda J Russell
- Garvan Institute of Medical Research, Darlinghurst, New South Wales, Australia
| | | | - Tim K Chataway
- Flinders University, Bedford Park, South Australia, Australia
| | | | | | - Tom P Gordon
- Flinders University and SA Pathology, Bedford Park, South Australia, Australia
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LRPAP1 is a frequent proliferation-inducing antigen of BCRs of mantle cell lymphomas and can be used for specific therapeutic targeting. Leukemia 2018; 33:148-158. [PMID: 29955130 DOI: 10.1038/s41375-018-0182-1] [Citation(s) in RCA: 14] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/26/2017] [Revised: 05/17/2018] [Accepted: 05/24/2018] [Indexed: 01/28/2023]
Abstract
The predominant usage of VH4-34 and V3-21 and reports of stereotyped CDR3s suggest a shared antigenic target of B-cell receptors (BCR) from mantle cell lymphomas (MCL). To identify the target antigens of MCL-BCRs, BCRs from 21 patients and seven MCL cell lines were recombinantly expressed and used for antigen screening. The BCRs from 8/21 patients and 2/7 MCL cell lines reacted specifically with the autoantigen low-density lipoprotein receptor-related protein-associated protein 1 (LRPAP1). High-titered and light chain-restricted anti-LRPAP1 serum antibodies were found in MCL patients, but not in controls. LRPAP1 induced proliferation by BCR pathway activation, while an LRPAP1-ETA' toxin-conjugate specifically killed MCL cells with LRPAP1-specific BCRs. Our results suggest a role of LRPAP1 in lymphomagenesis and maintenance of a considerable proportion of MCL cases by chronic autoantigenic stimulation, likely evolving from a chronic autoreactive B-cell response. Importantly, LRPAP1 can be used for a novel therapeutic approach that targets MCL with LRPAP1-reactive BCRs with high specificity.
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20
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Sandhya P, Kurien BT, Danda D, Scofield RH. Update on Pathogenesis of Sjogren's Syndrome. Curr Rheumatol Rev 2018; 13:5-22. [PMID: 27412602 DOI: 10.2174/1573397112666160714164149] [Citation(s) in RCA: 66] [Impact Index Per Article: 11.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/14/2015] [Revised: 11/15/2015] [Accepted: 01/01/2016] [Indexed: 01/06/2023]
Abstract
Sjogren's syndrome is a common autoimmune disease that presents with sicca symptoms and extraglandular features. Sjogren's syndrome is presumably as common as RA; yet it is poorly understood, underdiagnosed and undertreated. From the usual identity as an autoimmune exocrinopathy to its most recent designate as an autoimmune epithelitis - the journey of SS is complex. We herein review some of the most important milestones that have shed light on different aspects of pathogenesis of this enigmatic disease. This includes role of salivary gland epithelial cells, and their interaction with cells of the innate and adaptive immune system. Non-immune factors acting in concert or in parallel with immune factors may also be important. The risk genes identified so far have only weak association, nevertheless advances in genetics have enhanced understanding of disease mechanisms. Role of epigenetic and environmental role factors is also being explored. SS has also some unique features such as congenital heart block and high incidence of lymphoma; disease mechanisms accounting for these manifestations are also reviewed.
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Abstract
Primary Sjögren syndrome (pSS) is a prototypical autoimmune disease. The involvement of B cells in the pathogenesis of pSS has long been suspected on the basis of clinical observations that include the presence of serum autoantibodies, hypergammaglobulinaemia, increased levels of free light chains and increased risk of B cell lymphoma. Moreover, the composition of the B cell subset is altered in pSS. In this Review, we discuss the mechanisms that support the increased activation of B cells in pSS, including genetic and epigenetic factors and environmental triggers that promote B cell activation via the innate immune system. B cell activating factor (BAFF, also known as TNF ligand superfamily member 13B) is at the crossroads of this process. An important role also exists for the target tissue (exocrine glands, namely the salivary and lachrymal glands), which promotes local B cell activation. This continuous stimulation of B cells is the main driver of lymphomatous escape. Identification of the multiple steps that support B cell activation has led to the development of promising targeted therapies that will hopefully lead to the development of an efficient therapeutic strategy for pSS.
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22
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Glauzy S, Boccitto M, Bannock JM, Delmotte FR, Saadoun D, Cacoub P, Ice JA, Sivils KL, James JA, Wolin SL, Meffre E. Accumulation of Antigen-Driven Lymphoproliferations in Complement Receptor 2/CD21 -/low B Cells From Patients With Sjögren's Syndrome. Arthritis Rheumatol 2018; 70:298-307. [PMID: 29073352 DOI: 10.1002/art.40352] [Citation(s) in RCA: 19] [Impact Index Per Article: 3.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/10/2016] [Accepted: 10/10/2017] [Indexed: 12/18/2022]
Abstract
OBJECTIVE Patients with Sjögren's syndrome (SS) are prone to develop malignant lymphomas, and a correlation has been established between the lymphoproliferations occurring in these disorders and the presence in patients' blood of an unusual B cell population that down-regulates complement receptor 2/CD21. This study was undertaken to identify the B cell compartment from which these lymphoproliferations emerge and determine the mechanisms that promote clonal B cell expansion in patients with SS. METHODS The reactivity of antibodies expressed by CD19+CD10-CD27-IgM+CD21-/low cells isolated from the blood of patients with SS was tested using a polymerase chain reaction-based approach that allows us to clone and express, in vitro, recombinant antibodies produced by single B cells. RESULTS Clonal expansions were identified in CD21-/low B cells isolated from the peripheral blood of 3 patients with SS. These lymphoproliferations expressed B cell receptors (BCRs) that displayed somatic hypermutation lineage trees characteristic of a strong selection by antigens; one of these antigens was identified as a ribosomal self antigen. When the mutated BCR sequences expressed by the expanded CD21-/low B cell clones from patients with SS were reverted in vitro to their germline counterparts, one clone remained autoreactive. CONCLUSION Clonal lymphoproliferations in patients with SS preferentially accumulate in the autoreactive CD21-/low B cell compartment often expanded in these subjects, and recognition of self antigens may drive the clonal B cell expansion while further refining BCR self-reactivity.
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Affiliation(s)
- Salomé Glauzy
- Yale University School of Medicine, New Haven, Connecticut
| | - Marco Boccitto
- Yale University School of Medicine, New Haven, Connecticut
| | | | | | - David Saadoun
- Sorbonne Universités, UPMC Université Paris 06, UMR 7211, Inflammation-Immunopathology-Biotherapy Department, INSERM, UMR S 959, CNRS, FRE3632, and AP-HP, Groupe Hospitalier Pitié-Salpêtrière, Department of Internal Medicine and Clinical Immunology, National Reference Center for Autoimmune and Autoinflammatory Diseases, Paris, France
| | - Patrice Cacoub
- Sorbonne Universités, UPMC Université Paris 06, UMR 7211, Inflammation-Immunopathology-Biotherapy Department, INSERM, UMR S 959, CNRS, FRE3632, and AP-HP, Groupe Hospitalier Pitié-Salpêtrière, Department of Internal Medicine and Clinical Immunology, National Reference Center for Autoimmune and Autoinflammatory Diseases, Paris, France
| | - John A Ice
- Oklahoma Medical Research Foundation, Oklahoma City
| | - Kathy L Sivils
- Oklahoma Medical Research Foundation and University of Oklahoma Health Sciences Center, Oklahoma City
| | - Judith A James
- Oklahoma Medical Research Foundation and University of Oklahoma Health Sciences Center, Oklahoma City
| | - Sandra L Wolin
- Yale University School of Medicine, New Haven, Connecticut
| | - Eric Meffre
- Yale University School of Medicine, New Haven, Connecticut
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van den Brand M, Scheijen B, Hess CJ, van Krieken JHJ, Groenen PJTA. Pathways towards indolent B-cell lymphoma - Etiology and therapeutic strategies. Blood Rev 2017; 31:426-435. [PMID: 28802906 DOI: 10.1016/j.blre.2017.08.002] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/02/2016] [Revised: 05/07/2017] [Accepted: 08/04/2017] [Indexed: 02/06/2023]
Abstract
Although patients with indolent B-cell lymphomas have a relatively good survival rate, conventional chemotherapy is not curative. Disease courses are typically characterized by multiple relapses and progressively shorter response duration with subsequent lines of therapy. There has been an explosion of innovative targeted agents in the past years. This review discusses current knowledge on the etiology of indolent B-cell lymphomas with respect to the role of micro-organisms, auto-immune diseases, and deregulated pathways caused by mutations. In particular, knowledge on the mutational landscape of indolent B-cell lymphomas has strongly increased in recent years and harbors great promise for more accurate decision making in the current wide range of therapeutic options. Despite this promise, only in chronic lymphocytic leukemia the detection of TP53 mutations and/or del17p currently have a direct effect on treatment decisions. Nevertheless, it is expected that in the near future the role of genetic testing will increase for prediction of response to targeted treatment as well as for more accurate prediction of prognosis in indolent B-cell lymphomas.
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MESH Headings
- Animals
- DNA Damage
- Epigenesis, Genetic
- Gene Expression Regulation, Neoplastic
- Humans
- Leukemia, Lymphocytic, Chronic, B-Cell/etiology
- Leukemia, Lymphocytic, Chronic, B-Cell/genetics
- Leukemia, Lymphocytic, Chronic, B-Cell/microbiology
- Leukemia, Lymphocytic, Chronic, B-Cell/therapy
- Lymphoma, B-Cell/etiology
- Lymphoma, B-Cell/genetics
- Lymphoma, B-Cell/microbiology
- Lymphoma, B-Cell/therapy
- Lymphoma, B-Cell, Marginal Zone/etiology
- Lymphoma, B-Cell, Marginal Zone/genetics
- Lymphoma, B-Cell, Marginal Zone/microbiology
- Lymphoma, B-Cell, Marginal Zone/therapy
- Lymphoma, Follicular/etiology
- Lymphoma, Follicular/genetics
- Lymphoma, Follicular/microbiology
- Lymphoma, Follicular/therapy
- Molecular Targeted Therapy/methods
- Mutation
- Signal Transduction
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Affiliation(s)
- Michiel van den Brand
- Department of Pathology, Radboud university medical center, Geert Grooteplein Zuid 10, 6525GA Nijmegen, The Netherlands; Pathology-DNA, location Rijnstate, Wagnerlaan 55, 6815AD Arnhem, The Netherlands.
| | - Blanca Scheijen
- Department of Pathology, Radboud university medical center, Geert Grooteplein Zuid 10, 6525GA Nijmegen, The Netherlands.
| | - Corine J Hess
- Department of Hematology, Radboud university medical center, Geert Grooteplein Zuid 10, 6525GA Nijmegen, The Netherlands.
| | - J Han Jm van Krieken
- Department of Pathology, Radboud university medical center, Geert Grooteplein Zuid 10, 6525GA Nijmegen, The Netherlands.
| | - Patricia J T A Groenen
- Department of Pathology, Radboud university medical center, Geert Grooteplein Zuid 10, 6525GA Nijmegen, The Netherlands.
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Bombardieri M, Lewis M, Pitzalis C. Ectopic lymphoid neogenesis in rheumatic autoimmune diseases. Nat Rev Rheumatol 2017; 13:141-154. [PMID: 28202919 DOI: 10.1038/nrrheum.2016.217] [Citation(s) in RCA: 138] [Impact Index Per Article: 19.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/23/2022]
Abstract
Ectopic lymphoid neogenesis often occurs in the target tissues of patients with chronic rheumatic autoimmune diseases such as rheumatoid arthritis, Sjögren syndrome and other connective tissue disorders, including systemic lupus erythematosus and myositis. However, the mechanisms of ectopic lymphoid-like structure (ELS) formation and function are not entirely understood. For example, it is unclear whether ELSs indicate distinct disease phenotypes or whether they are evolutionary manifestations of chronic inflammation. Also unclear is why ELSs form in some patients but not in others. Nonetheless, ELSs frequently display functional features of ectopic germinal centres and can actively contribute to the maintenance of autoimmunity through the production of disease-specific autoantibodies; furthermore, they seem to influence disease severity and response to both synthetic and biologic DMARDs. In this Review, we discuss current knowledge and gaps in understanding of ELS formation and function including their prevalence in the above rheumatic autoimmune diseases; the mechanisms underlying their formation, maintenance and function, including positive and negative regulatory pathways; their functional relevance in the perpetuation of autoimmunity; their relationship with disease phenotypes, clinical outcomes and response to treatment; and the potential for specific targeting of ELSs through novel therapeutic modalities.
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Affiliation(s)
- Michele Bombardieri
- Centre for Experimental Medicine and Rheumatology, John Vane Science Centre, William Harvey Research Institute, Barts and the London School of Medicine and Dentistry, Queen Mary University of London, Charterhouse Square, London EC1M 6BQ, UK
| | - Myles Lewis
- Centre for Experimental Medicine and Rheumatology, John Vane Science Centre, William Harvey Research Institute, Barts and the London School of Medicine and Dentistry, Queen Mary University of London, Charterhouse Square, London EC1M 6BQ, UK
| | - Costantino Pitzalis
- Centre for Experimental Medicine and Rheumatology, John Vane Science Centre, William Harvey Research Institute, Barts and the London School of Medicine and Dentistry, Queen Mary University of London, Charterhouse Square, London EC1M 6BQ, UK
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25
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Abstract
Primary Sjögren's syndrome (SS) is a common chronic autoimmune disease characterized by lymphocytic infiltration of exocrine glands, mainly salivary and lacrimal, resulting in oral and ocular dryness, although virtually any organ system can be affected. SS-related systemic manifestations are classified as either related to the presence of periepithelial infiltrates in exocrine and parenchymal organs or resulting from immunocomplex deposition due to B cell hyperactivity with increased risk for B cell lymphoma development. Activation of both innate and adaptive immune pathways contributes to disease pathogenesis, with prominent interferon (IFN) signatures identified in both peripheral blood and affected salivary gland tissues. Recently, LINE-1 genomic repeat elements have been proposed as potential triggers of type I IFN pathway activation in SS through activation of Toll-like receptor-dependent and -independent pathways. In view of the increasingly appreciated variability of SS, elucidation of distinct operating pathways in relation to diverse clinical phenotypes and selection of the optimal therapeutic intervention remain major challenges. Inhibition of cathepsin S molecules, blockade of costimulation through administration of abatacept and inhibitors of B7-related molecules and CD40, blockade of B cell function and B cell survival factors, and disruption of the formation of ectopic germinal centers are considered the main therapeutic targets. Well-controlled multicenter clinical trials are ongoing and data are awaited.
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Affiliation(s)
- Clio P Mavragani
- Department of Physiology, School of Medicine and Joint Academic Rheumatology Program, National and Kapodistrian University of Athens, Athens, Greece;
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26
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Nocturne G, Virone A, Ng WF, Le Guern V, Hachulla E, Cornec D, Daien C, Vittecoq O, Bienvenu B, Marcelli C, Wendling D, Amoura Z, Dhote R, Lavigne C, Fior R, Gottenberg JE, Seror R, Mariette X. Rheumatoid Factor and Disease Activity Are Independent Predictors of Lymphoma in Primary Sjögren's Syndrome. Arthritis Rheumatol 2016; 68:977-85. [DOI: 10.1002/art.39518] [Citation(s) in RCA: 116] [Impact Index Per Article: 14.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/14/2015] [Accepted: 11/17/2015] [Indexed: 12/11/2022]
Affiliation(s)
- G. Nocturne
- Université Paris-Sud, INSERM U1184; Le Kremlin-Bicêtre France
| | - A. Virone
- AP-HP, Hôpitaux Universitaires Paris-Sud; Le Kremlin-Bicêtre France
| | - Wan-Fai Ng
- Newcastle University; Newcastle-upon-Tyne UK
| | - V. Le Guern
- Université Paris Descartes and AP-HP, Hôpital Cochin; Paris France
| | | | - D. Cornec
- Centre Hospitalier Régional Universitaire (CHRU) de Brest, Hôpital de la Cavale Blanche and EA 2216, INSERM ESPRI, ERI29, Université de Brest; Brest France
| | - C. Daien
- Centre Hospitalier Universitaire (CHU) de Montpellier and URM5535 CNRS; Montpellier France
| | - O. Vittecoq
- CHU de Rouen, INSERM U905, and Université de Rouen; Rouen France
| | - B. Bienvenu
- CHU de Caen, Hôpital de la Côte de Nacre; Caen France
| | - C. Marcelli
- CHU de Caen, Hôpital de la Côte de Nacre; Caen France
| | - D. Wendling
- CHRU Besançon, and EA 4266, Université de Franche-Comté; Besançon France
| | - Z. Amoura
- Université Pierre et Marie Curie and AP-HP, Hôpital Pitié-Salpêtrière; Paris France
| | | | | | - R. Fior
- AP-HP, Hôpital Béclère; Clamart France
| | - J. E. Gottenberg
- INSERM UMR-S 1109, CHRU Strasbourg, and Université de Strasbourg; Strasbourg France
| | - R. Seror
- Université Paris-Sud, INSERM U1184, and AP-HP, Hôpitaux Universitaires Paris-Sud; Le Kremlin-Bicêtre France
| | - X. Mariette
- Université Paris-Sud, INSERM U1184, and AP-HP, Hôpitaux Universitaires Paris-Sud; Le Kremlin-Bicêtre France
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27
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Sharma A, Kiripolsky J, Klimatcheva E, Howell A, Fereidouni F, Levenson R, Rothstein TL, Kramer JM. Early BAFF receptor blockade mitigates murine Sjögren's syndrome: Concomitant targeting of CXCL13 and the BAFF receptor prevents salivary hypofunction. Clin Immunol 2016; 164:85-94. [PMID: 26826598 DOI: 10.1016/j.clim.2016.01.015] [Citation(s) in RCA: 25] [Impact Index Per Article: 3.1] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/15/2015] [Revised: 01/23/2016] [Accepted: 01/25/2016] [Indexed: 12/28/2022]
Abstract
Sjögren's syndrome (SS) is a debilitating autoimmune disease. Patients with SS may develop xerostomia. This process is progressive, and there are no therapeutics that target disease etiology. We hypothesized BAFF receptor (BAFFR) blockade would mitigate SS disease development, and neutralization of CXCL13 and BAFF signaling would be more efficacious than BAFFR blockade alone. We treated NOD/ShiLtJ SS mice with soluble BAFF receptor (BAFFR-Fc) or anti-CXCL13/BAFFR-Fc in combination, prior to the development of clinical disease. Our results show treatment with BAFFR-Fc reduced peripheral B cell numbers and decreased sialadenitis. In addition, this treatment reduced total serum immunoglobulin as well as IgG and IgM specific anti-nuclear autoantibodies. NOD/ShiLtJ mice treated with BAFFR-Fc and anti-CXCL13 antibody were protected from salivary deficits. Results from this study suggest blockade of CXCL13 and BAFFR together may be an effective therapeutic strategy in preventing salivary hypofunction and reducing autoantibody titers and sialadenitis in patients with SS.
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Affiliation(s)
- Arjun Sharma
- Department of Oral Biology, School of Dental Medicine, University of Buffalo, The State University of New York, Buffalo, NY USA 14214
| | - Jeremy Kiripolsky
- Department of Oral Biology, School of Dental Medicine, University of Buffalo, The State University of New York, Buffalo, NY USA 14214
| | | | | | - Farzad Fereidouni
- Department of Pathology and Laboratory Medicine, UC Davis Medical Center, Sacramento, CA 95817
| | - Richard Levenson
- Department of Pathology and Laboratory Medicine, UC Davis Medical Center, Sacramento, CA 95817
| | - Thomas L Rothstein
- Center for Oncology and Cell Biology, The Feinstein Institute for Medical Research, Manhasset, NY 11030.,Department of Molecular Medicine, School of Medicine, Manhasset, NY 11030.,Department of Medicine, Hofstra North Shore-LIJ, School of Medicine, Manhasset, NY 11030
| | - Jill M Kramer
- Department of Oral Biology, School of Dental Medicine, University of Buffalo, The State University of New York, Buffalo, NY USA 14214.,Center for Oncology and Cell Biology, The Feinstein Institute for Medical Research, Manhasset, NY 11030.,Department of Molecular Medicine, School of Medicine, Manhasset, NY 11030.,Department of Dental Medicine, Division of Oral and Maxillofacial Pathology, North Shore-LIJ Health System, Manhasset, NY 11030
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28
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Kramer JM, Holodick NE, Vizconde TC, Raman I, Yan M, Li QZ, Gaile DP, Rothstein TL. Analysis of IgM antibody production and repertoire in a mouse model of Sjögren's syndrome. J Leukoc Biol 2015; 99:321-31. [PMID: 26382297 DOI: 10.1189/jlb.2a0715-297r] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/13/2015] [Accepted: 08/31/2015] [Indexed: 12/20/2022] Open
Abstract
This study tested the hypothesis that B cells from salivary tissue are distinct in terms of proliferative capacity, immunoglobulin M secretion, repertoire, and autoantibody enrichment in Sjögren's syndrome. We sorted purified B cells from the spleen, cervical lymph nodes, and submandibular glands of a primary Sjögren's syndrome mouse model (Id3(-/-)). Enzyme-linked immunospot and proliferation assays were performed with stimulated B cells. We single-cell sorted B cells from the spleen, cervical lymph nodes, and submandibular gland tissue from Sjögren's syndrome mice and sequenced immunoglobulin M heavy-chain variable regions. Finally, autoantigen arrays were performed using immunoglobulin M derived from sera, cervical lymph nodes, spleens, and submandibular gland tissue of Id3(-/-) animals. Results suggest B cells from salivary tissue of Sjögren's syndrome mice are similar to those from secondary immune sites in terms of proliferative and secretory capacity. However, differences in repertoire usage, heavy chain complementarity-determining region 3 length, mutational frequency, and N region addition were observed among B cells derived from submandibular gland, cervical lymph node, and spleen tissue. Moreover, autoantigen array data show immunoglobulin M from salivary B cells have enriched specificity for Ro (Sjögren's syndrome A) and La (Sjögren's syndrome B). All together, these data suggest salivary B cells have unique repertoire characteristics that likely influence autoantigen binding and contribute to Sjögren's syndrome disease in a tissue-specific manner.
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Affiliation(s)
- Jill M Kramer
- *Center for Oncology and Cell Biology, The Feinstein Institute for Medical Research, Manhasset, New York, USA; Division of Oral and Maxillofacial Pathology, Department of Dental Medicine, Long Island Jewish Medical Center, New Hyde Park, New York, USA; Department of Oral Biology, School of Dental Medicine, and Department of Biostatistics, State University of New York at Buffalo, Buffalo, New York, USA; Department of Dental Medicine and Medicine, Hofstra North Shore-LIJ School of Medicine, Hempstead, New York, USA; and Microarray Core Facility, University of Texas Southwestern Medical Center, Dallas, Texas, USA
| | - Nichol E Holodick
- *Center for Oncology and Cell Biology, The Feinstein Institute for Medical Research, Manhasset, New York, USA; Division of Oral and Maxillofacial Pathology, Department of Dental Medicine, Long Island Jewish Medical Center, New Hyde Park, New York, USA; Department of Oral Biology, School of Dental Medicine, and Department of Biostatistics, State University of New York at Buffalo, Buffalo, New York, USA; Department of Dental Medicine and Medicine, Hofstra North Shore-LIJ School of Medicine, Hempstead, New York, USA; and Microarray Core Facility, University of Texas Southwestern Medical Center, Dallas, Texas, USA
| | - Teresa C Vizconde
- *Center for Oncology and Cell Biology, The Feinstein Institute for Medical Research, Manhasset, New York, USA; Division of Oral and Maxillofacial Pathology, Department of Dental Medicine, Long Island Jewish Medical Center, New Hyde Park, New York, USA; Department of Oral Biology, School of Dental Medicine, and Department of Biostatistics, State University of New York at Buffalo, Buffalo, New York, USA; Department of Dental Medicine and Medicine, Hofstra North Shore-LIJ School of Medicine, Hempstead, New York, USA; and Microarray Core Facility, University of Texas Southwestern Medical Center, Dallas, Texas, USA
| | - Indu Raman
- *Center for Oncology and Cell Biology, The Feinstein Institute for Medical Research, Manhasset, New York, USA; Division of Oral and Maxillofacial Pathology, Department of Dental Medicine, Long Island Jewish Medical Center, New Hyde Park, New York, USA; Department of Oral Biology, School of Dental Medicine, and Department of Biostatistics, State University of New York at Buffalo, Buffalo, New York, USA; Department of Dental Medicine and Medicine, Hofstra North Shore-LIJ School of Medicine, Hempstead, New York, USA; and Microarray Core Facility, University of Texas Southwestern Medical Center, Dallas, Texas, USA
| | - Mei Yan
- *Center for Oncology and Cell Biology, The Feinstein Institute for Medical Research, Manhasset, New York, USA; Division of Oral and Maxillofacial Pathology, Department of Dental Medicine, Long Island Jewish Medical Center, New Hyde Park, New York, USA; Department of Oral Biology, School of Dental Medicine, and Department of Biostatistics, State University of New York at Buffalo, Buffalo, New York, USA; Department of Dental Medicine and Medicine, Hofstra North Shore-LIJ School of Medicine, Hempstead, New York, USA; and Microarray Core Facility, University of Texas Southwestern Medical Center, Dallas, Texas, USA
| | - Quan-Zhen Li
- *Center for Oncology and Cell Biology, The Feinstein Institute for Medical Research, Manhasset, New York, USA; Division of Oral and Maxillofacial Pathology, Department of Dental Medicine, Long Island Jewish Medical Center, New Hyde Park, New York, USA; Department of Oral Biology, School of Dental Medicine, and Department of Biostatistics, State University of New York at Buffalo, Buffalo, New York, USA; Department of Dental Medicine and Medicine, Hofstra North Shore-LIJ School of Medicine, Hempstead, New York, USA; and Microarray Core Facility, University of Texas Southwestern Medical Center, Dallas, Texas, USA
| | - Daniel P Gaile
- *Center for Oncology and Cell Biology, The Feinstein Institute for Medical Research, Manhasset, New York, USA; Division of Oral and Maxillofacial Pathology, Department of Dental Medicine, Long Island Jewish Medical Center, New Hyde Park, New York, USA; Department of Oral Biology, School of Dental Medicine, and Department of Biostatistics, State University of New York at Buffalo, Buffalo, New York, USA; Department of Dental Medicine and Medicine, Hofstra North Shore-LIJ School of Medicine, Hempstead, New York, USA; and Microarray Core Facility, University of Texas Southwestern Medical Center, Dallas, Texas, USA
| | - Thomas L Rothstein
- *Center for Oncology and Cell Biology, The Feinstein Institute for Medical Research, Manhasset, New York, USA; Division of Oral and Maxillofacial Pathology, Department of Dental Medicine, Long Island Jewish Medical Center, New Hyde Park, New York, USA; Department of Oral Biology, School of Dental Medicine, and Department of Biostatistics, State University of New York at Buffalo, Buffalo, New York, USA; Department of Dental Medicine and Medicine, Hofstra North Shore-LIJ School of Medicine, Hempstead, New York, USA; and Microarray Core Facility, University of Texas Southwestern Medical Center, Dallas, Texas, USA
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Nocturne G, Mariette X. Sjögren Syndrome-associated lymphomas: an update on pathogenesis and management. Br J Haematol 2014; 168:317-27. [PMID: 25316606 DOI: 10.1111/bjh.13192] [Citation(s) in RCA: 183] [Impact Index Per Article: 18.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/12/2022]
Abstract
Primary Sjögren Syndrome (pSS) is an autoimmune disease associated with an increased risk of lymphoma. Lymphomas complicating pSS are mostly low-grade B cell non-Hodgkin lymphomas, predominantly of marginal zone histological type. Mucosal localization is predominant, notably mucosa-associated lymphoid tissue lymphomas. Lymphomas often develop in organs where pSS is active, such as salivary glands. Germinal centre (GC)-like structures, high TNFSF13B (BAFF) and Flt3-ligand (FLT3LG) levels and genetic impairment of TNFAIP3 are new predictors of lymphoma development. These new findings allow a better understanding of the pathogenic mechanisms leading to lymphoma. We propose the following scenario: auto-immune B cells with rheumatoid factor (RF) activity are continuously stimulated by immune complexes containing antibodies against more specific auto-antigens, such as SSA/Ro, SSB/La or others. Germline abnormality of TNFAIP3 leads to a decreased control of the NF-kB pathway and thus promotes survival of B cells and oncogenic mutations especially in GC structure. Moreover, B cells are stimulated by a positive loop of activation induced by BAFF secretion. Thus, lymphomagenesis associated with pSS exemplifies the development of antigen-driven B-cell lymphoma. The control of disease activity by a well-targeted immunosuppressor is the primary objective of the management of the patient in order to repress chronic B cell stimulation.
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30
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Johnsen SJ, Berget E, Jonsson MV, Helgeland L, Omdal R, Jonsson R. Evaluation of Germinal Center-like Structures and B Cell Clonality in Patients with Primary Sjögren Syndrome with and without Lymphoma. J Rheumatol 2014; 41:2214-22. [DOI: 10.3899/jrheum.131527] [Citation(s) in RCA: 30] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/13/2023]
Abstract
Objective.Germinal center (GC)-like structures have previously been observed in minor salivary glands (MSG) of patients with primary Sjögren syndrome (pSS). The aim of our study was to explore the prevalence and features of GC-like structures and B cell clonality in patients with pSS with and without lymphoma.Methods.Based on a nationwide survey in Norway, we included 21 patients with pSS and with a concomitant lymphoma from whom MSG and/or lymphoma biopsies were available. Tonsil biopsies and MSG from 28 patients with pSS without lymphoma were used as controls. The presence of GC-like structures was investigated with H&E staining and double staining for CD21/IgD and CD38/IgD. B cell clonality in MSG and tumors were investigated with analysis of immunoglobulin gene rearrangements.Results.H&E labeling of MSG revealed GC-like structures in 17/40 (43%) of the patients: 4/12 (33%) with and 13/28 (46%) without lymphoma. Staining for CD21/CD38/IgD demonstrated CD21+ networks in 27/40 (68%) of the patients. CD21+/CD38– infiltrates were seen in 25/40 (63%) of the patients, and 16 of these were IgD+ within the infiltrate. Five percent (2/40) of the patients presented with CD21+/CD38+ infiltrates resembling tonsillar GC. Monoclonal B cell infiltration in MSG was present in 5/12 patients (42%) with and 5/28 patients (18%) without lymphoma (p = 0.12). In 2/10 (20%) of cases where both MSG and lymphoma biopsies were available, identical clonal rearrangements were detected.Conclusion.GC-like structures seen in H&E-stained MSG may represent various subtypes of CD21+ infiltrates. We were unable to detect a clear association between cellular infiltrates, B cell clonality, and lymphoma development.
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31
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Biomarkers of lymphoma in Sjögren’s syndrome and evaluation of the lymphoma risk in prelymphomatous conditions: Results of a multicenter study. J Autoimmun 2014; 51:75-80. [DOI: 10.1016/j.jaut.2013.10.002] [Citation(s) in RCA: 103] [Impact Index Per Article: 10.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/02/2013] [Revised: 10/08/2013] [Accepted: 10/13/2013] [Indexed: 11/24/2022]
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Giannouli S, Voulgarelis M. Predicting progression to lymphoma in Sjögren's syndrome patients. Expert Rev Clin Immunol 2014; 10:501-12. [DOI: 10.1586/1744666x.2014.872986] [Citation(s) in RCA: 20] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/13/2022]
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Baecklund E, Smedby KE, Sutton LA, Askling J, Rosenquist R. Lymphoma development in patients with autoimmune and inflammatory disorders--what are the driving forces? Semin Cancer Biol 2013; 24:61-70. [PMID: 24333759 DOI: 10.1016/j.semcancer.2013.12.001] [Citation(s) in RCA: 126] [Impact Index Per Article: 11.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/29/2013] [Accepted: 12/03/2013] [Indexed: 12/27/2022]
Abstract
For decades, it has been known that patients with certain autoimmune and inflammatory disorders, such as rheumatoid arthritis (RA) and primary Sjögren's syndrome (pSS), have an increased risk of developing malignant lymphoma. Although the clinico-biological reasons for this association remain largely unknown, our knowledge has improved and new insights have been obtained. First, the direct link between autoimmunity and lymphomagenesis has been strengthened by large epidemiological studies showing a consistent risk increase of lymphoma associated with certain autoimmune/inflammatory conditions in independent cohorts from different countries. Second, a number of local and systemic disease-related risk factors in these diseases have been repeatedly linked to lymphoma development, with the prime examples being disease severity and the degree of inflammatory activity. Considering the key role of B- and T-cell activation in the pathogenesis of both autoimmunity and lymphoma, it is perhaps not surprising that longstanding chronic inflammation and/or antigen stimulation have emerged as major predisposing factors of lymphoma in patients with active autoimmune disease. Finally, increasing evidence suggests that lymphomas associated with autoimmunity constitute a different spectrum of entities compared to lymphomas arising in patients without any known autoimmune or inflammatory conditions, pointing to a different pathobiology. In this review, we summarize the recent literature that supports a direct or indirect link between immune-mediated disease and lymphoma and describe the characteristics of lymphomas developing in the different diseases. We also discuss molecular, genetic and microenvironmental factors that may come into play in the pathobiology of these disorders.
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Affiliation(s)
- Eva Baecklund
- Unit of Rheumatology, Department of Medical Sciences, Uppsala University, Uppsala, Sweden.
| | - Karin E Smedby
- Clinical Epidemiology Unit, Department of Medicine Solna, Karolinska Institutet at Karolinska University Hospital, Stockholm, Sweden
| | - Lesley-Ann Sutton
- Department of Immunology, Genetics and Pathology, Science for Life Laboratory, Uppsala University, Uppsala, Sweden
| | - Johan Askling
- Clinical Epidemiology Unit, Department of Medicine Solna, Karolinska Institutet at Karolinska University Hospital, Stockholm, Sweden; Rheumatology Unit, Department of Medicine Solna, Karolinska Institutet at Karolinska University Hospital, Stockholm, Sweden
| | - Richard Rosenquist
- Department of Immunology, Genetics and Pathology, Science for Life Laboratory, Uppsala University, Uppsala, Sweden
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Charles ED, Orloff MIM, Nishiuchi E, Marukian S, Rice CM, Dustin LB. Somatic hypermutations confer rheumatoid factor activity in hepatitis C virus-associated mixed cryoglobulinemia. ACTA ACUST UNITED AC 2013; 65:2430-40. [PMID: 23754128 DOI: 10.1002/art.38041] [Citation(s) in RCA: 38] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/10/2012] [Accepted: 05/28/2013] [Indexed: 12/20/2022]
Abstract
OBJECTIVE Hepatitis C virus (HCV) is the most frequent cause of mixed cryoglobulinemia (MC), which is characterized by endothelial deposition of rheumatoid factor (RF)-containing immune complexes and end-organ vasculitis. MC is a lymphoproliferative disorder in which B cells express RF-like Ig, yet its precise antigenic stimulus is unknown. We have proposed that IgG-HCV immune complexes stimulate B cell expansion and somatic hypermutation (SHM)-induced affinity maturation in part via engagement of an RF-like B cell receptor. This study was undertaken to test the hypothesis that SHM augments RF activity. METHODS RFs cloned from single B cells from 4 patients with HCV-associated MC (HCV-MC) were expressed as IgM, IgG, or IgG Fab. Selected Ig were reverted to germline. RF activity of somatically mutated Ig and germline-reverted Ig was determined by enzyme-linked immunosorbent assay. RESULTS Ig with SHM had RF activity, with the preference for binding being highest for IgG1, followed by IgG2 and IgG4, and lowest for IgG3, where there was no detectable binding. In contrast, reverted germline IgG exhibited markedly diminished RF activity. Competition with 1 μg/ml of protein A abrogated RF activity, suggesting specificity for IgG Fc. Swapping of mutated heavy-chain pairs and light-chain pairs also abrogated RF activity, suggesting that context-specific pairing of appropriate IgH and Igκ, in addition to SHM, is necessary for RF activity. CONCLUSION SHM significantly contributes to RF activity in HCV-MC patients, suggesting that autoreactivity in these patients arises through antigen-dependent SHM, as opposed to nondeletion of autoreactive germline Ig.
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Risselada AP, Kruize AA, Bijlsma JW. Clinical features distinguishing lymphoma development in primary Sjögren's syndrome—A retrospective cohort study. Semin Arthritis Rheum 2013; 43:171-7. [DOI: 10.1016/j.semarthrit.2013.03.001] [Citation(s) in RCA: 41] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/30/2012] [Revised: 03/13/2013] [Accepted: 03/14/2013] [Indexed: 02/06/2023]
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Nocturne G, Mariette X. Advances in understanding the pathogenesis of primary Sjögren's syndrome. Nat Rev Rheumatol 2013; 9:544-56. [PMID: 23857130 DOI: 10.1038/nrrheum.2013.110] [Citation(s) in RCA: 260] [Impact Index Per Article: 23.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/24/2022]
Abstract
Primary Sjögren's syndrome (pSS) is a prototypic autoimmune disorder, management of which has long suffered from a lack of knowledge of the underlying pathophysiological mechanisms; however, over the past decade major advances have been made in understanding the pathogenesis of pSS. The innate immune system has been demonstrated to have an important role at the early stage of the disease, notably through activation of the type I interferon (IFN) system. In addition, mechanisms of B-cell activation in pSS have become clearer, particularly owing to recognition of the involvement of the TNF family cytokine B-cell-activating factor, production of which is highly dependent on expression of type I and type II IFNs. Moreover, key inroads have been made in understanding lymphomagenesis, the most severe complication of pSS. IL-12 production and subsequent T-cell activation, mainly IFN-γ-secreting type 1 T-helper cells, have also been implicated in disease pathogenesis. Furthermore, evidence implicates neuroendocrine system dysfunction in pSS pathogenesis. These pathophysiological advances open new avenues of investigation. Indeed, the increased understanding of pSS pathogenesis has already led to the development of promising novel therapeutic strategies. This article summarizes recent findings regarding the pathogenic mechanisms involved in pSS and their implications.
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Affiliation(s)
- Gaëtane Nocturne
- Service de Rhumatologie, Hôpital Bicêtre, Assistance Publique-Hôpitaux de Paris (AP-HP), Université Paris-Sud, INSERM U1012, 78 rue du Général Leclerc, Le Kremlin Bicêtre, France
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Malignant lymphoma in primary Sjögren's syndrome: an update on the pathogenesis and treatment. Semin Arthritis Rheum 2013; 43:178-86. [PMID: 23816048 DOI: 10.1016/j.semarthrit.2013.04.004] [Citation(s) in RCA: 51] [Impact Index Per Article: 4.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/15/2012] [Revised: 03/27/2013] [Accepted: 04/11/2013] [Indexed: 12/11/2022]
Abstract
OBJECTIVES Sjögren's syndrome (SS), a chronic autoimmune disorder, particularly compromises the function of exocrine glands. Its association with lymphoma is well documented. Our aim was to systematically review the molecular, clinical, histopathologic, and therapeutic aspects of these SS-related malignant lymphoproliferations. METHODS The literature was searched for original articles published between 1968 and 2012 focusing on the risk factors for lymphoma development in Sjögren's syndrome using MEDLINE and PubMed. The search terms we used were "Sjögren's syndrome," "lymphoma," and "risk factors." All papers identified were English-language, full-text papers. RESULTS A low-grade marginal-zone lymphoma related to mucosa-associated lymphoid tissue is the commonest lymphoid neoplasia in SS. The majority of SS-associated lymphomas are characterized by localized stage, indolent clinical course, and recurrence in other extranodal sites. Although the transition from a chronic inflammatory condition to malignant lymphoma is a multistep process that is yet poorly understood, there is increasing evidence that chronic antigenic stimulation by an exoantigen or autoantigens plays an essential role in the development of SS-associated lymphoproliferation. CONCLUSIONS This review discusses the pathogenetic aspects of lymphomagenesis in SS. Recent advances in the treatment of lymphoma in SS are also stated.
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Saadoun D, Terrier B, Bannock J, Vazquez T, Massad C, Kang I, Joly F, Rosenzwajg M, Sene D, Benech P, Musset L, Klatzmann D, Meffre E, Cacoub P. Expansion of autoreactive unresponsive CD21-/low B cells in Sjögren's syndrome-associated lymphoproliferation. ACTA ACUST UNITED AC 2013; 65:1085-96. [PMID: 23279883 DOI: 10.1002/art.37828] [Citation(s) in RCA: 157] [Impact Index Per Article: 14.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/07/2012] [Accepted: 12/07/2012] [Indexed: 11/07/2022]
Abstract
OBJECTIVE Primary Sjögren's syndrome (SS) is an autoimmune disease associated with a high risk of developing non-Hodgkin's lymphoma. This study was undertaken to determine the nature of B cells driving lymphoproliferation in primary SS. METHODS B cell subsets and function were analyzed in peripheral blood from 66 adult patients with primary SS (including 14 patients with B cell lymphoproliferative disease [LPD]) and 30 healthy donors, using flow cytometry, calcium mobilization, and gene array analysis. The reactivity of recombinant antibodies isolated from single B cells from patients with primary SS and LPD was tested using an enzyme-linked immunosorbent assay. RESULTS We observed an expansion of an unusual CD21-/low B cell population that correlated with lymphoproliferation in patients with primary SS. A majority of CD21-/low B cells from patients with primary SS expressed autoreactive antibodies, which recognized nuclear and cytoplasmic structures. These B cells belonged to the memory compartment, since their Ig genes were mutated. They were unable to induce calcium flux, become activated, or proliferate in response to B cell receptor and/or CD40 triggering, suggesting that these autoreactive B cells may be anergic. However, CD21-/low B cells from patients with primary SS remained responsive to Toll-like receptor (TLR) stimulation. Molecules specifically expressed in CD21-/low B cells that are likely to induce their unresponsive stage were detected in gene array analyses. CONCLUSION Patients with primary SS who display high frequencies of autoreactive and unresponsive CD21-/low B cells are susceptible to developing lymphoproliferation. These cells remain in peripheral blood controlled by functional anergy instead of being eliminated, and chronic antigenic stimulation through TLR stimulation may create a favorable environment for breaking tolerance and activating these cells.
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Affiliation(s)
- D Saadoun
- CNRS UMR 7211, INSERM U959, Groupe Hospitalier Pitié-Salpêtrière, and Université Pierre et Marie Curie, Paris 6, Paris, France.
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Guzmán LM, Castillo D, Aguilera SO. Polymerase chain reaction (PCR) detection of B cell clonality in Sjögren's syndrome patients: a diagnostic tool of clonal expansion. Clin Exp Immunol 2010; 161:57-64. [PMID: 20408860 DOI: 10.1111/j.1365-2249.2010.04144.x] [Citation(s) in RCA: 13] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/26/2022] Open
Abstract
Sjögren's syndrome (SS) is an autoimmune disease characterized by clonal B cell attack of the exocrine glands and dysregulated expression of B cell-activating factor (BAFF). Based upon the current data of increased rates of lymphoid malignancy, as non-Hodgkin's lymphoma (NHL) is associated with SS, we propose the detection of clonal rearrangements of immunoglobulin heavy chain (IgH) gene in those patients as a predictor of malignant clonal expansion. To test our proposal, we examined the IgH clonal rearrangements in SS patients (60) and healthy control subjects (42) having chronic non-specific sialadenitis, to determine the presence of clonal B cells in minor labial salivary glands (MSG) of SS patients. Clonal B cell expansion was assessed by two polymerase chain reaction (PCR) assays: (i) semi-nested PCR, against sequences encoding framework regions FR3, FR2 and FR1c of the variable chain IgH gene in B cells present in the MSG infiltrate; and (ii) the PCR-enzyme-linked immunosorbent assay (ELISA) technique, against the major and minor breakpoint regions of the Bcl-2 oncogene coupled with a variable segment of the IgH to assess the Bcl-2/JH translocation. When FR3, FR2 and FR1c primers were employed, we detected B cell monoclonality in 87% of the SS patients and 19% of the control subjects. The association between inflammation severity of the MSG pattern and the presence of B cell clonality was found to be statistically significant (P<0.01). We concluded that the presence of B cell clonality in MSG can be used as a index of an altered microenvironment favouring the development of lymphoma in SS patients.
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Affiliation(s)
- L M Guzmán
- Laboratorio de Química Biológica, Instituto de Química, Pontificia Universidad Católica de Valparaíso, Santiago, Chile.
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Deutsch AJA, Aigelsreiter A, Steinbauer E, Frühwirth M, Kerl H, Beham-Schmid C, Schaider H, Neumeister P. Distinct signatures of B-cell homeostatic and activation-dependent chemokine receptors in the development and progression of extragastric MALT lymphomas. J Pathol 2008; 215:431-44. [PMID: 18561120 DOI: 10.1002/path.2372] [Citation(s) in RCA: 37] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/08/2022]
Abstract
Chemokine receptors mediate migration and activation of lymphocytes through binding of their ligands. Recent studies have revealed important contributions of chemokine receptors to the development, progression, and dissemination of haematopoietic neoplasms. Because the chemokine receptor expression profile in extragastric MALT lymphoma is unknown, we performed a comprehensive study on tissue samples of parotid glands, parotid glands affected by Sjögren syndrome, extragastric MALT lymphoma, and extranodal diffuse large B-cell lymphoma (eDLBCL) originating from MALT lymphoma (transformed MALT lymphoma). By investigating the expression of 19 chemokine receptors by real-time PCR using a semi-quantitative approach and of four chemokine receptors (CCR1, CCR5, CXCR6, and XCR1) by immunohistochemistry, we show that the chemokine receptor expression profiles of extragastric MALT lymphomas differ substantially from those of extranodal DBLCL, with lower expression of CCR1, CCR8, and CXCR3, and the absence of expression of CX3CR1 and XCR1 in eDLBCL. Expression of CCR6, CCR7, CXCR3, CXCR4, and CXCR5, responsible for B-cell homing to secondary lymphoid tissue, was detected in both B-cell malignancies. Expression of CCR4 was just detected in trisomy 3-positive MALT lymphoma cases. Comparing gastric with extragastric MALT lymphomas, up-regulation of CXCR1 and CXCR2 accompanied by down-regulation of CCR8 and CX3CR1 and loss of XCR1 expression in extragastric MALT lymphomas appear to be key determinants for the site of origin of MALT lymphomagenesis. Our results support a model of stepwise progression of extragastric MALT lymphoma from a non-neoplastic event to Sjögren syndrome, to MALT lymphoma, and finally to overt eDLBCL, guided by differentially expressed B-cell homeostatic and activation-dependent chemokine receptors and their ligands.
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Affiliation(s)
- A J A Deutsch
- Division of Hematology, Department of Internal Medicine, Medical University Graz, Austria
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Barone F, Bombardieri M, Rosado MM, Morgan PR, Challacombe SJ, De Vita S, Carsetti R, Spencer J, Valesini G, Pitzalis C. CXCL13, CCL21, and CXCL12 expression in salivary glands of patients with Sjogren's syndrome and MALT lymphoma: association with reactive and malignant areas of lymphoid organization. THE JOURNAL OF IMMUNOLOGY 2008; 180:5130-40. [PMID: 18354239 DOI: 10.4049/jimmunol.180.7.5130] [Citation(s) in RCA: 129] [Impact Index Per Article: 8.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 12/18/2022]
Abstract
The chemokines (CKs) CXCL13, CCL21, and CXCL12 are known to play differential roles in the organization of the lymphoid tissues and the development of lymphoid malignancies. We investigated the expression of these CKs and their receptors in the salivary glands of Sjogren's syndrome patients with lymphoepithelial lesions (lymphoepithelial sialadenitis or LESA) and in MALT lymphoma to understand their involvement in salivary gland lymphomagenesis. We demonstrate that within salivary glands with LESA and MALT lymphoma the lymphoid CKs CXCL13 and CCL21 are selectively associated with areas of reactive lymphoid proliferation, whereas no significant expression of these molecules was detected in the malignant lymphoid aggregate. Conversely, CXCL12 was observed predominantly in infiltrated ducts and malignant B cells. Accordingly, CXCL13 and CCL21 transcript levels were significantly increased in LESA samples while CXCL12 levels were increased in MALT lymphoma and isolated tumor cells. Low levels of CK receptors were detected on lymphoma-extracted lymphocytes, suggesting down-regulation in the abundance of ligands. Our findings suggest that in salivary gland MALT lymphoma the lymphoid CKs CXCL13 and CCL21 are directly implicated in the organization of ectopic reactive lymphoid tissue, whereas CXCL12 is associated with the infiltrated epithelium and malignant B cell component and is possibly involved in the regulation of malignant B cell survival.
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Affiliation(s)
- Francesca Barone
- Divisione di Reumatologia Dipartimento di Clinica e Terapia Applicata, Università La Sapienza Roma, Rome, Italy
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Hansen A, Lipsky PE, Dörner T. B cells in Sjögren's syndrome: indications for disturbed selection and differentiation in ectopic lymphoid tissue. Arthritis Res Ther 2008; 9:218. [PMID: 17697366 PMCID: PMC2206371 DOI: 10.1186/ar2210] [Citation(s) in RCA: 115] [Impact Index Per Article: 7.2] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/21/2022] Open
Abstract
Primary Sjögren's syndrome (pSS) is an autoimmune disorder characterized by specific pathological features. A hallmark of pSS is B-cell hyperactivity as manifested by the production of autoantibodies, hypergammaglobulinemia, formation of ectopic lymphoid structures within the inflamed tissues, and enhanced risk of B-cell lymphoma. Changes in the distribution of peripheral B-cell subsets and differences in post-recombination processes of immunoglobulin variable region (IgV) gene usage are also characteristic features of pSS. Comparison of B cells from the peripheral blood and salivary glands of patients with pSS with regard to their expression of the chemokine receptors CXCR4 and CXCR5, and their migratory capacity towards the corresponding ligands, CXCL12 and CXCL13, provide a mechanism for the prominent accumulation of CXCR4+CXCR5+ memory B cells in the inflamed glands. Glandular B cells expressing distinct features of IgV light and heavy chain rearrangements, (re)circulating B cells with increased mutations of cμ transcripts in both CD27- and CD27+ memory B-cell subsets, and enhanced frequencies of individual peripheral B cells containing IgV heavy chain transcripts of multiple isotypes indicate disordered selection and incomplete differentiation processes of B cells in the inflamed tissues in pSS. This may possibly be related to a lack of appropriate censoring mechanisms or different B-cell activation pathways within the ectopic lymphoid structures of the inflamed tissues. These findings add to our understanding of the pathogenesis of this autoimmune inflammatory disorder and may result in new therapeutic approaches.
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Affiliation(s)
- Arne Hansen
- Charite Centers (CC) 12 and 14, Departments of Medicine and Transfusion Medicine, Charité-Universitätsmedizin Berlin, Charité-Platz 01, 10098 Berlin, Germany
| | - Peter E Lipsky
- Autoimmunity Branch, National Institute of Arthritis and Musculoskeletal and Skin Diseases, National Institutes of Health, Building 10, Bethesda, MD 20892, USA
| | - Thomas Dörner
- Charite Centers (CC) 12 and 14, Departments of Medicine and Transfusion Medicine, Charité-Universitätsmedizin Berlin, Charité-Platz 01, 10098 Berlin, Germany
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Musculoskeletal syndromes associated with malignancy (excluding hypertrophic osteoarthropathy). Curr Opin Rheumatol 2008; 20:100-5. [PMID: 18281865 DOI: 10.1097/bor.0b013e3282f1ecd4] [Citation(s) in RCA: 33] [Impact Index Per Article: 2.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/17/2022]
Abstract
PURPOSE OF REVIEW To examine recent data about the association between rheumatic disorders and cancer. This article focuses on paraneoplastic rheumatic disorders, which usually precede by a short period of time the diagnosis of malignancy, and on malignant transformation, which occurs late in the course of rheumatic disorders. Evidence of causality between malignancies and rheumatic disorders was reviewed based on statistical indicators (standardized incidence ratios and odds ratios) and by applying Bradford Hill's criteria of causality. RECENT FINDINGS Firm epidemiological evidence was found attesting that dermatomyositis and polymyostis may present as paraneoplastic syndromes. Several other musculoskeletal disorders may be present akin to paraneoplastic syndrome, based on clinicians' impressions, but with scarce epidemiological evidence supporting a causal determinism. In contrast, robust evidence has accumulated on the role of longstanding rheumatoid arthritis, Sjögren's syndrome and systemic sclerosis as premalignant conditions. Evidence that systemic lupus erythematosus may evolve into lymphoma is equivocal. SUMMARY The link between malignancies and rheumatic disorders may impact on clinical practice. First, paraneoplastic rheumatic syndromes can provide the clinician with hints for earlier diagnosis of occult cancer. Second, the risk of malignant transformation during the course of rheumatic disorders may motivate the search for strategies aimed at prevention.
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Clinical, immunologic, and molecular factors predicting lymphoma development in Sjogren's syndrome patients. Clin Rev Allergy Immunol 2008; 32:265-74. [PMID: 17992593 DOI: 10.1007/s12016-007-8001-x] [Citation(s) in RCA: 39] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/22/2022]
Abstract
Among autoimmune diseases, Sjogren's syndrome (SS) displays the highest incidence of non-Hodgkin lymphoma (NHL) development with the salivary extranodal marginal zone B cell lymphomas being the most common type. The majority of SS-associated NHLs are characterized by localized stage, indolent clinical course, and recurrence in other extranodal sites. Although the transition from a chronic inflammatory condition to malignant lymphoma is a multistep process yet poorly understood, there is increasing evidence that chronic antigenic stimulation by an exoantigen or autoantigens plays an essential role in the development of SS associated lymphoproliferation. Additional molecular oncogenic events such as microsatellite instability, loss of the B cell cycle control, and the forced overproduction of specific B cell biologic stimulators seem to contribute to the emergence and progression of the malignant overgrowth. Among the clinical and serological parameters that have been associated with lymphoma development in SS patients, the presence of palpable purpura, low C4, and mixed monoclonal cryoglobulinemia constitute the main predictive markers, and patients displaying these risk factors should be monitored closely.
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Bombardieri M, Barone F, Humby F, Kelly S, McGurk M, Morgan P, Challacombe S, De Vita S, Valesini G, Spencer J, Pitzalis C. Activation-induced cytidine deaminase expression in follicular dendritic cell networks and interfollicular large B cells supports functionality of ectopic lymphoid neogenesis in autoimmune sialoadenitis and MALT lymphoma in Sjögren's syndrome. THE JOURNAL OF IMMUNOLOGY 2007; 179:4929-38. [PMID: 17878393 DOI: 10.4049/jimmunol.179.7.4929] [Citation(s) in RCA: 153] [Impact Index Per Article: 9.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Subscribe] [Scholar Register] [Indexed: 01/06/2023]
Abstract
Demonstration of ectopic germinal center-like structures (GC-LSs) in chronically inflamed tissues in patients with autoimmune disorders is a relatively common finding. However, to what extent ectopic lymphoid structures behave as true GC and are able to support class switch recombination (CSR) and somatic hypermutation (SHM) of the Ig genes is still debated. In addition, no information is available on whether CSR and SHM can take place in the absence of GCs at extrafollicular sites in an ectopic lymphoid tissue. In this study, we show that in salivary glands (SGs) of Sjögren's syndrome (SS) activation-induced cytidine deaminase (AID), the enzyme responsible for CSR and SHM is invariably expressed within follicular dendritic cell (FDC) networks but is not detectable in SGs in the absence of ectopic GC-LSs, suggesting that FDC networks play an essential role in sustaining the Ag-driven B cell proliferation within SS-SGs. We also show that the recently described population of interfollicular large B cells selectively expresses AID outside ectopic GC in the T cell-rich areas of periductal aggregates. Finally, we report that AID retains its exclusive association with numerous, residual GCs in parotid SS-MALT lymphomas, whereas neoplastic marginal zone-like B cells are consistently AID negative. These results strongly support the notion that ectopic lymphoid structures in SS-SGs express the molecular machinery to support local autoantibody production and B cell expansion and may play a crucial role toward lymphomagenesis.
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MESH Headings
- Adult
- Aged
- Autoantibodies/immunology
- Autoantibodies/metabolism
- Autoimmune Diseases/enzymology
- Autoimmune Diseases/pathology
- B-Lymphocytes/enzymology
- Cell Differentiation
- Cytidine Deaminase/genetics
- Cytidine Deaminase/metabolism
- Dendritic Cells, Follicular/cytology
- Dendritic Cells, Follicular/enzymology
- Dendritic Cells, Follicular/immunology
- Enzyme Activation
- Female
- Gene Expression Regulation, Enzymologic
- Humans
- Immunohistochemistry
- Lymphoma, B-Cell, Marginal Zone/complications
- Lymphoma, B-Cell, Marginal Zone/enzymology
- Lymphoma, B-Cell, Marginal Zone/immunology
- Lymphoma, B-Cell, Marginal Zone/pathology
- Male
- Middle Aged
- Protein Transport
- RNA, Messenger/genetics
- Sialadenitis/enzymology
- Sialadenitis/immunology
- Sialadenitis/pathology
- Sjogren's Syndrome/complications
- Sjogren's Syndrome/enzymology
- Sjogren's Syndrome/immunology
- Sjogren's Syndrome/pathology
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Affiliation(s)
- Michele Bombardieri
- Centre for Experimental Medicine and Rheumatology, William Harvey Research Institute, St. Bartholomew's and Royal London School of Medicine, London, United Kingdom
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Hansen A, Lipsky PE, Dörner T. B-cell lymphoproliferation in chronic inflammatory rheumatic diseases. ACTA ACUST UNITED AC 2007; 3:561-9. [PMID: 17906611 DOI: 10.1038/ncprheum0620] [Citation(s) in RCA: 73] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/02/2007] [Accepted: 07/31/2007] [Indexed: 01/12/2023]
Abstract
Patients with chronic inflammatory rheumatic diseases, such as rheumatoid arthritis (RA), systemic lupus erythematosus (SLE), and especially primary Sjögren's syndrome (SS), are at higher risk than the general population of developing B-cell non-Hodgkin lymphoma (NHL). Analyses of the association between various lymphoma subtypes and specific disease entities suggest that this association might be mediated by disease-specific mechanisms, as well as by mechanisms unique to lymphoma subtype. These specific associations can provide important information about abnormal B-cell stimulation in these conditions. Patients with primary SS, SLE and RA are at high risk of developing diffuse large B-cell lymphomas, a group of high-grade NHLs with remarkable heterogeneity. Patients with primary SS are at particularly high risk of developing marginal-zone B-cell lymphomas. The risk factors of lymphoma development in primary SS seem to be closely related to the underlying mechanisms of abnormal stimulation and/or impaired censoring mechanisms of B cells. In patients with RA and SLE, more intense disease activity and/or long-lasting disease might be indications of a higher risk of lymphoma development. This Review will focus on the risk of lymphoma, common and disease-specific mechanisms of B-cell lymphoma development, and on the clinical consequences of lymphoma in patients with inflammatory rheumatic diseases.
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Affiliation(s)
- Arne Hansen
- Outpatients Department of Medicine, Charité University Hospital, Berlin, Germany.
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Bahler DW, Kim BK, Gao A, Swerdlow SH. Analysis of immunoglobulin V genes suggests cutaneous marginal zone B-cell lymphomas recognise similar antigens. Br J Haematol 2006; 132:571-5. [PMID: 16445829 DOI: 10.1111/j.1365-2141.2005.05904.x] [Citation(s) in RCA: 19] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
Abstract
Extranodal marginal zone B-cell lymphomas (EMZL) are thought to develop from reactive infiltrates that represent immune responses to external or auto-antigens. Except for gastric EMZL, the antigenic triggers of EMZL development are mostly unknown, although a subset of cutaneous EMZL have been associated with Borrelia burgdorferi infections. To further evaluate whether a common antigen may be promoting the development of cutaneous EMZL, the immunoglobulin heavy chain variable (V(H)) genes from eight USA cases were sequenced and analysed. All used V(H)3 family gene segments, with 2/8 using the same V3-30 segment, 2/8 using the closely related V3-30.3 or V3-33 segments, 6/8 containing mutations and 2/7 showing evidence of ongoing mutation. Many of the complimentarity-determining region 3s (CDR3s) also showed similarities in length and displayed conserved amino acid motifs in the non-templated areas between the diversity and joining segments. The use of similar V(H) gene segments and conserved CDR3 amino acid motifs suggests that some of these cutaneous EMZL may bind the same or similar antigen via their surface immunoglobulin receptor. Analysis of the somatic mutations present in many of the V(H) genes was also consistent with antigen directly stimulating the growth of cutaneous EMZL.
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Affiliation(s)
- David W Bahler
- Department of Pathology, University of Utah Medical Center, Salt Lake City, UT 84132, USA.
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Hansen A, Reiter K, Pruss A, Loddenkemper C, Kaufmann O, Jacobi AM, Scholze J, Lipsky PE, Dörner T. Dissemination of a Sjögren's syndrome-associated extranodal marginal-zone B cell lymphoma: circulating lymphoma cells and invariant mutation pattern of nodal Ig heavy- and light-chain variable-region gene rearrangements. ACTA ACUST UNITED AC 2006; 54:127-37. [PMID: 16385504 DOI: 10.1002/art.21558] [Citation(s) in RCA: 19] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/15/2022]
Abstract
OBJECTIVE Both the genesis and outgrowth of extranodal marginal-zone B cell lymphomas (MZLs) of the mucosa-associated lymphoid tissue (MALT) type are generally thought to represent antigen-driven processes. We undertook this study to analyze lymphoma progression and dissemination outside of the MALT-type lesions. METHODS Histopathologic and Ig heavy- and light-chain variable-region gene (V(H/L)) analyses were performed in sequential tissue samples from a patient with primary Sjögren's syndrome (SS) with glandular (parotid) manifestations and subsequent nodal dissemination of a low-grade MZL. RESULTS This MZL expressed a CD20+,CD27+,sIgM/kappa+,IgD-,CD5-,CD10-,Bcl-6-,CD23-,p53-,p21-,MDM2- phenotype and mutated V(H)1-69/D2-21/J(H)4alpha-V(kappa)A27/J(kappa)2 Ig rearrangements. Notably, circulating lymphoma cells from the parotid glands occurred transiently in the patient's blood, as detected by single-cell polymerase chain reaction. In addition, 2 minor B cell clones (clones 2 and 3, with V(H)3-07/D3-22/J(H)3b-V(lambda)3L/J(lambda)2/3 and V(H)3-64/D3-03/J(H)2-V(kappa)A19/J(kappa)2 rearrangements, respectively) were also detected in the parotid glands and blood, and 1 of these (clone 2) was also detected in the lymph nodes. Ig V(H/L) analyses revealed ongoing (antigen-driven) mutations of the glandular lymphoma rearrangements, but an invariant mutation pattern of their nodal counterparts. CONCLUSION These data indicate coexpansion and transient (re)circulation of the lymphoma clone and 2 additional glandular B cell clones in a primary SS-associated extranodal MZL. Combined histologic and molecular features of the nodal lymphoma subclone reflect a process of "follicular colonization" that eventually froze the mutation machinery after accumulation of additional (antigen-driven) Ig V(H/L) mutations.
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Affiliation(s)
- A Hansen
- Dept. of Medicine and Outpatient Department, Charité Universitätsmedizin Berlin, Schumannstrasse 20/21, 10098 Berlin, Germany.
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Ittah M, Miceli-Richard C, Eric Gottenberg J, Lavie F, Lazure T, Ba N, Sellam J, Lepajolec C, Mariette X. B cell-activating factor of the tumor necrosis factor family (BAFF) is expressed under stimulation by interferon in salivary gland epithelial cells in primary Sjögren's syndrome. Arthritis Res Ther 2006; 8:R51. [PMID: 16507175 PMCID: PMC1526588 DOI: 10.1186/ar1912] [Citation(s) in RCA: 194] [Impact Index Per Article: 10.8] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/05/2005] [Revised: 02/01/2006] [Accepted: 02/06/2006] [Indexed: 02/07/2023] Open
Abstract
B cell-activating factor (BAFF) has a key role in promoting B-lymphocyte activation and survival in primary Sjögren's syndrome (pSS). The cellular origin of BAFF overexpression in salivary glands of patients with pSS is not fully known. We investigated whether salivary gland epithelial cells (SGECs), the main targets of autoimmunity in pSS, could produce and express BAFF. We used quantitative RT-PCR, ELISA and immunocytochemistry in cultured SGECs from eight patients with pSS and eight controls on treatment with IL-10, tumor necrosis factor α (TNF-α), IFN-α and IFN-γ. At baseline, BAFF expression in SGECs was low in pSS patients and in controls. Treatment with IFN-α, IFN-γ and TNF-α + IFN-γ increased the level of BAFF mRNA in pSS patients (the mean increases were 27-fold, 25-fold and 62-fold, respectively) and in controls (mean increases 19.1-fold, 26.7-fold and 17.7-fold, respectively), with no significant difference between patients and controls. However, in comparison with that at baseline, stimulation with IFN-α significantly increased the level of BAFF mRNA in SGECs of pSS patients (p = 0.03) but not in controls (p = 0.2), which suggests that SGECs of patients with pSS are particularly susceptible to expressing BAFF under IFN-α stimulation. Secretion of BAFF protein, undetectable at baseline, was significantly increased after IFN-α and IFN-γ stimulation both in pSS patients (40.8 ± 12.5 (± SEM) and 47.4 ± 18.7 pg/ml, respectively) and controls (24.9 ± 8.0 and 9.0 ± 3.9 pg/ml, respectively), with no significant difference between pSS and controls. Immunocytochemistry confirmed the induction of cytoplasmic BAFF expression after stimulation with IFN-α and IFN-γ. This study confirms the importance of resident cells of target organs in inducing or perpetuating autoimmunity. Demonstrating the capacity of SGECs to express and secrete BAFF after IFN stimulation adds further information to the pivotal role of these epithelial cells in the pathogenesis of pSS, possibly after stimulation by innate immunity. Our results suggest that an anti-BAFF therapeutic approach could be particularly interesting in pSS.
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Affiliation(s)
- Marc Ittah
- Rhumatologie, Institut Pour la Santé et la Recherche Médicale (INSERM) U 802, Hôpital Bicêtre, Assistance Publique-Hôpitaux de Paris (AP-HP), Université Paris-Sud 11, 78 rue du Général Leclerc, 94275 Le Kremlin Bicêtre, France
| | - Corinne Miceli-Richard
- Rhumatologie, Institut Pour la Santé et la Recherche Médicale (INSERM) U 802, Hôpital Bicêtre, Assistance Publique-Hôpitaux de Paris (AP-HP), Université Paris-Sud 11, 78 rue du Général Leclerc, 94275 Le Kremlin Bicêtre, France
| | - Jacques- Eric Gottenberg
- Rhumatologie, Institut Pour la Santé et la Recherche Médicale (INSERM) U 802, Hôpital Bicêtre, Assistance Publique-Hôpitaux de Paris (AP-HP), Université Paris-Sud 11, 78 rue du Général Leclerc, 94275 Le Kremlin Bicêtre, France
| | - Frédéric Lavie
- Rhumatologie, Institut Pour la Santé et la Recherche Médicale (INSERM) U 802, Hôpital Bicêtre, Assistance Publique-Hôpitaux de Paris (AP-HP), Université Paris-Sud 11, 78 rue du Général Leclerc, 94275 Le Kremlin Bicêtre, France
| | - Thierry Lazure
- Anatomopathologie, Hôpital de Bicêtre, AP-HP, 78 rue du Général Leclerc, 94275 Le Kremlin Bicêtre, France
| | - Nathalie Ba
- Anatomopathologie, Hôpital de Bicêtre, AP-HP, 78 rue du Général Leclerc, 94275 Le Kremlin Bicêtre, France
| | - Jérémie Sellam
- Rhumatologie, Institut Pour la Santé et la Recherche Médicale (INSERM) U 802, Hôpital Bicêtre, Assistance Publique-Hôpitaux de Paris (AP-HP), Université Paris-Sud 11, 78 rue du Général Leclerc, 94275 Le Kremlin Bicêtre, France
| | - Christine Lepajolec
- Oto-rhino-laryngologie, Hôpital de Bicêtre, AP-HP, 78 rue du Général Leclerc, 94275 Le Kremlin Bicêtre, France
| | - Xavier Mariette
- Rhumatologie, Institut Pour la Santé et la Recherche Médicale (INSERM) U 802, Hôpital Bicêtre, Assistance Publique-Hôpitaux de Paris (AP-HP), Université Paris-Sud 11, 78 rue du Général Leclerc, 94275 Le Kremlin Bicêtre, France
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