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Raposo B, Klareskog L, Robinson WH, Malmström V, Grönwall C. The peculiar features, diversity and impact of citrulline-reactive autoantibodies. Nat Rev Rheumatol 2024; 20:399-416. [PMID: 38858604 DOI: 10.1038/s41584-024-01124-6] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 05/10/2024] [Indexed: 06/12/2024]
Abstract
Since entering the stage 25 years ago as a highly specific serological biomarker for rheumatoid arthritis, anti-citrullinated protein antibodies (ACPAs) have been a topic of extensive research. This hallmark B cell response arises years before disease onset, displays interpatient autoantigen variability, and is associated with poor clinical outcomes. Technological and scientific advances have revealed broad clonal diversity and intriguing features including high levels of somatic hypermutation, variable-domain N-linked glycosylation, hapten-like peptide interactions, and clone-specific multireactivity to citrullinated, carbamylated and acetylated epitopes. ACPAs have been found in different isotypes and subclasses, in both circulation and tissue, and are secreted by both plasmablasts and long-lived plasma cells. Notably, although some disease-promoting features have been reported, results now demonstrate that certain monoclonal ACPAs therapeutically block arthritis and inflammation in mouse models. A wealth of functional studies using patient-derived polyclonal and monoclonal antibodies have provided evidence for pathogenic and protective effects of ACPAs in the context of arthritis. To understand the roles of ACPAs, one needs to consider their immunological properties by incorporating different facets such as rheumatoid arthritis B cell biology, environmental triggers and chronic antigen exposure. The emerging picture points to a complex role of citrulline-reactive autoantibodies, in which the diversity and dynamics of antibody clones could determine clinical progression and manifestations.
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Affiliation(s)
- Bruno Raposo
- Department of Medicine, Division of Rheumatology, Center for Molecular Medicine, Karolinska Institutet, Karolinska University Hospital, Stockholm, Sweden
| | - Lars Klareskog
- Department of Medicine, Division of Rheumatology, Center for Molecular Medicine, Karolinska Institutet, Karolinska University Hospital, Stockholm, Sweden
| | - William H Robinson
- Division of Immunology and Rheumatology, Department of Medicine, Stanford University School of Medicine, Stanford, CA, USA
- VA Palo Alto Health Care System, Palo Alto, CA, USA
| | - Vivianne Malmström
- Department of Medicine, Division of Rheumatology, Center for Molecular Medicine, Karolinska Institutet, Karolinska University Hospital, Stockholm, Sweden.
| | - Caroline Grönwall
- Department of Medicine, Division of Rheumatology, Center for Molecular Medicine, Karolinska Institutet, Karolinska University Hospital, Stockholm, Sweden
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2
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Thomas MA, Naik P, Wang H, Giles JT, Girgis AA, Kim SY, Johnson TP, Curran AM, Crawford JD, Jahanbani S, Bingham CO, Robinson WH, Na CH, Darrah E. The monocyte cell surface is a unique site of autoantigen generation in rheumatoid arthritis. Proc Natl Acad Sci U S A 2024; 121:e2304199121. [PMID: 38630712 PMCID: PMC11047081 DOI: 10.1073/pnas.2304199121] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/15/2023] [Accepted: 03/22/2024] [Indexed: 04/19/2024] Open
Abstract
Although anti-citrullinated protein autoantibodies (ACPAs) are a hallmark serological feature of rheumatoid arthritis (RA), the mechanisms and cellular sources behind the generation of the RA citrullinome remain incompletely defined. Peptidylarginine deiminase IV (PAD4), one of the key enzymatic drivers of citrullination in the RA joint, is expressed by granulocytes and monocytes; however, the subcellular localization and contribution of monocyte-derived PAD4 to the generation of citrullinated autoantigens remain underexplored. In this study, we demonstrate that PAD4 displays a widespread cellular distribution in monocytes, including expression on the cell surface. Surface PAD4 was enzymatically active and capable of citrullinating extracellular fibrinogen and endogenous surface proteins in a calcium dose-dependent manner. Fibrinogen citrullinated by monocyte-surface PAD4 could be specifically recognized over native fibrinogen by a panel of eight human monoclonal ACPAs. Several unique PAD4 substrates were identified on the monocyte surface via mass spectrometry, with citrullination of the CD11b and CD18 components of the Mac-1 integrin complex being the most abundant. Citrullinated Mac-1 was found to be a target of ACPAs in 25% of RA patients, and Mac-1 ACPAs were significantly associated with HLA-DRB1 shared epitope alleles, higher C-reactive protein and IL-6 levels, and more erosive joint damage. Our findings implicate the monocyte cell surface as a unique and consequential site of extracellular and cell surface autoantigen generation in RA.
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Affiliation(s)
- Mekha A. Thomas
- Division of Rheumatology, Department of Medicine, School of Medicine, Johns Hopkins University, Baltimore, MD21224
| | - Pooja Naik
- Division of Rheumatology, Department of Medicine, School of Medicine, Johns Hopkins University, Baltimore, MD21224
| | - Hong Wang
- Division of Rheumatology, Department of Medicine, School of Medicine, Johns Hopkins University, Baltimore, MD21224
| | - Jon T. Giles
- Division of Rheumatology, Columbia University, College of Physicians and Surgeons, New York, NY10032
| | - Alexander A. Girgis
- Division of Rheumatology, Department of Medicine, School of Medicine, Johns Hopkins University, Baltimore, MD21224
- Department of Biomedical Engineering, Johns Hopkins University, Baltimore, MD21224
| | - Seok-Young Kim
- Department of Neurology, Institute for Cell Engineering, School of Medicine, Johns Hopkins University, Baltimore, MD21205
| | - Tory P. Johnson
- Section of Infections of the Nervous System, National Institute of Neurological Disorders and Stroke, NIH, Bethesda, MD20892
| | - Ashley M. Curran
- Division of Rheumatology, Department of Medicine, School of Medicine, Johns Hopkins University, Baltimore, MD21224
| | - Jonathan D. Crawford
- Division of Rheumatology, Department of Medicine, School of Medicine, Johns Hopkins University, Baltimore, MD21224
| | - Shaghayegh Jahanbani
- Division of Immunology and Rheumatology, Stanford University, Stanford, CA94304
- Veterans Affairs Palo Alto Health Care System, Palo Alto, CA94550
| | - Clifton O. Bingham
- Division of Rheumatology, Department of Medicine, School of Medicine, Johns Hopkins University, Baltimore, MD21224
| | - William H. Robinson
- Division of Immunology and Rheumatology, Stanford University, Stanford, CA94304
- Veterans Affairs Palo Alto Health Care System, Palo Alto, CA94550
| | - Chan Hyun Na
- Department of Neurology, Institute for Cell Engineering, School of Medicine, Johns Hopkins University, Baltimore, MD21205
| | - Erika Darrah
- Division of Rheumatology, Department of Medicine, School of Medicine, Johns Hopkins University, Baltimore, MD21224
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3
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Stork EM, van Rijswijck DMH, van Schie KA, Hoek M, Kissel T, Scherer HU, Huizinga TWJ, Heck AJR, Toes REM, Bondt A. Antigen-specific Fab profiling achieves molecular-resolution analysis of human autoantibody repertoires in rheumatoid arthritis. Nat Commun 2024; 15:3114. [PMID: 38600082 PMCID: PMC11006680 DOI: 10.1038/s41467-024-47337-x] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/26/2023] [Accepted: 03/25/2024] [Indexed: 04/12/2024] Open
Abstract
The presence of autoantibodies is a defining feature of many autoimmune diseases. The number of unique autoantibody clones is conceivably limited by immune tolerance mechanisms, but unknown due to limitations of the currently applied technologies. Here, we introduce an autoantigen-specific liquid chromatography-mass spectrometry-based IgG1 Fab profiling approach using the anti-citrullinated protein antibody (ACPA) repertoire in rheumatoid arthritis (RA) as an example. We show that each patient harbors a unique and diverse ACPA IgG1 repertoire dominated by only a few antibody clones. In contrast to the total plasma IgG1 antibody repertoire, the ACPA IgG1 sub-repertoire is characterised by an expansion of antibodies that harbor one, two or even more Fab glycans, and different glycovariants of the same clone can be detected. Together, our data indicate that the autoantibody response in a prominent human autoimmune disease is complex, unique to each patient and dominated by a relatively low number of clones.
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Affiliation(s)
- Eva Maria Stork
- Department of Rheumatology, Leiden University Medical Center, Albinusdreef 2, Leiden, The Netherlands
| | - Danique M H van Rijswijck
- Biomolecular Mass Spectrometry and Proteomics, Bijvoet Center for Biomolecular Research and Utrecht Institute for Pharmaceutical Sciences, University of Utrecht, Padualaan 8, Utrecht, The Netherlands
- Netherlands Proteomics Center, Padualaan 8, Utrecht, the Netherlands
| | - Karin A van Schie
- Department of Rheumatology, Leiden University Medical Center, Albinusdreef 2, Leiden, The Netherlands
| | - Max Hoek
- Biomolecular Mass Spectrometry and Proteomics, Bijvoet Center for Biomolecular Research and Utrecht Institute for Pharmaceutical Sciences, University of Utrecht, Padualaan 8, Utrecht, The Netherlands
- Netherlands Proteomics Center, Padualaan 8, Utrecht, the Netherlands
| | - Theresa Kissel
- Department of Rheumatology, Leiden University Medical Center, Albinusdreef 2, Leiden, The Netherlands
| | - Hans Ulrich Scherer
- Department of Rheumatology, Leiden University Medical Center, Albinusdreef 2, Leiden, The Netherlands
| | - Tom W J Huizinga
- Department of Rheumatology, Leiden University Medical Center, Albinusdreef 2, Leiden, The Netherlands
| | - Albert J R Heck
- Biomolecular Mass Spectrometry and Proteomics, Bijvoet Center for Biomolecular Research and Utrecht Institute for Pharmaceutical Sciences, University of Utrecht, Padualaan 8, Utrecht, The Netherlands
- Netherlands Proteomics Center, Padualaan 8, Utrecht, the Netherlands
| | - Rene E M Toes
- Department of Rheumatology, Leiden University Medical Center, Albinusdreef 2, Leiden, The Netherlands
| | - Albert Bondt
- Biomolecular Mass Spectrometry and Proteomics, Bijvoet Center for Biomolecular Research and Utrecht Institute for Pharmaceutical Sciences, University of Utrecht, Padualaan 8, Utrecht, The Netherlands.
- Netherlands Proteomics Center, Padualaan 8, Utrecht, the Netherlands.
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4
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Aterido A, López-Lasanta M, Blanco F, Juan-Mas A, García-Vivar ML, Erra A, Pérez-García C, Sánchez-Fernández SÁ, Sanmartí R, Fernández-Nebro A, Alperi-López M, Tornero J, Ortiz AM, Fernández-Cid CM, Palau N, Pan W, Byrne-Steele M, Starenki D, Weber D, Rodriguez-Nunez I, Han J, Myers RM, Marsal S, Julià A. Seven-chain adaptive immune receptor repertoire analysis in rheumatoid arthritis reveals novel features associated with disease and clinically relevant phenotypes. Genome Biol 2024; 25:68. [PMID: 38468286 PMCID: PMC10926600 DOI: 10.1186/s13059-024-03210-0] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/04/2022] [Accepted: 03/04/2024] [Indexed: 03/13/2024] Open
Abstract
BACKGROUND In rheumatoid arthritis (RA), the activation of T and B cell clones specific for self-antigens leads to the chronic inflammation of the synovium. Here, we perform an in-depth quantitative analysis of the seven chains that comprise the adaptive immune receptor repertoire (AIRR) in RA. RESULTS In comparison to controls, we show that RA patients have multiple and strong differences in the B cell receptor repertoire including reduced diversity as well as altered isotype, chain, and segment frequencies. We demonstrate that therapeutic tumor necrosis factor inhibition partially restores this alteration but find a profound difference in the underlying biochemical reactivities between responders and non-responders. Combining the AIRR with HLA typing, we identify the specific T cell receptor repertoire associated with disease risk variants. Integrating these features, we further develop a molecular classifier that shows the utility of the AIRR as a diagnostic tool. CONCLUSIONS Simultaneous sequencing of the seven chains of the human AIRR reveals novel features associated with the disease and clinically relevant phenotypes, including response to therapy. These findings show the unique potential of AIRR to address precision medicine in immune-related diseases.
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Affiliation(s)
- Adrià Aterido
- Rheumatology Research Group, Vall Hebron Research Institute, 08035, Barcelona, Spain
| | - María López-Lasanta
- Rheumatology Research Group, Vall Hebron Research Institute, 08035, Barcelona, Spain
| | - Francisco Blanco
- Rheumatology Department, Hospital Juan Canalejo, A Coruña, Spain
| | | | | | - Alba Erra
- Rheumatology Research Group, Vall Hebron Research Institute, 08035, Barcelona, Spain
- Rheumatology Department, Hospital Sant Rafael, Barcelona, Spain
| | | | | | - Raimon Sanmartí
- Rheumatology Department, Hospital Clínic de Barcelona and IDIBAPS, Barcelona, Spain
| | | | | | - Jesús Tornero
- Rheumatology Department, Hospital Universitario Guadalajara, Guadalajara, Spain
| | - Ana María Ortiz
- Rheumatology Department, Hospital Universitario La Princesa, IIS La Princesa, Madrid, Spain
| | | | - Núria Palau
- Rheumatology Research Group, Vall Hebron Research Institute, 08035, Barcelona, Spain
| | | | | | | | | | | | - Jian Han
- iRepertoire Inc, Huntsville, AL, USA
| | - Richard M Myers
- HudsonAlpha Institute for Biotechnology, Huntsville, AL, USA
| | - Sara Marsal
- Rheumatology Research Group, Vall Hebron Research Institute, 08035, Barcelona, Spain
| | - Antonio Julià
- Rheumatology Research Group, Vall Hebron Research Institute, 08035, Barcelona, Spain.
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5
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Gomez AM, Brewer RC, Moon JS, Acharya S, Kongpachith S, Wang Q, Jahanbani S, Wong HH, Lanz TV, Love ZZ, Min-Oo G, Niedziela-Majka A, Robinson WH. Anti-Citrullinated Protein Antibodies With Multiple Specificities Ameliorate Collagen Antibody-Induced Arthritis in a Time-Dependent Manner. Arthritis Rheumatol 2024; 76:181-191. [PMID: 37610274 DOI: 10.1002/art.42679] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/20/2023] [Revised: 06/23/2023] [Accepted: 08/17/2023] [Indexed: 08/24/2023]
Abstract
OBJECTIVE Anti-citrullinated protein antibodies (ACPAs) are highly specific for rheumatoid arthritis (RA) and have long been regarded as pathogenic. Despite substantial in vitro evidence supporting this claim, reports investigating the proinflammatory effects of ACPAs in animal models of arthritis are rare and include mixed results. Here, we sequenced the plasmablast antibody repertoire of a patient with RA and functionally characterized the encoded ACPAs. METHODS We expressed ACPAs from the antibody repertoire of a patient with RA and characterized their autoantigen specificities on antigen arrays and enzyme-linked immunosorbent assays. Binding affinities were estimated by bio-layer interferometry. Select ACPAs (n = 9) were tested in the collagen antibody-induced arthritis (CAIA) mouse model to evaluate their effects on joint inflammation. RESULTS Recombinant ACPAs bound preferentially and with high affinity (nanomolar range) to citrullinated (cit) autoantigens (primarily histones and fibrinogen) and to auto-cit peptidylarginine deiminase 4 (PAD4). ACPAs were grouped for in vivo testing based on their predominant cit-antigen specificities. Unexpectedly, injections of recombinant ACPAs significantly reduced paw thickness and arthritis severity in CAIA mice as compared with isotype-matched control antibodies (P ≤ 0.001). Bone erosion, synovitis, and cartilage damage were also significantly reduced (P ≤ 0.01). This amelioration of CAIA was observed for all the ACPAs tested and was independent of cit-PAD4 and cit-fibrinogen specificities. Furthermore, disease amelioration was more prominent when ACPAs were injected at earlier stages of CAIA than at later phases of the model. CONCLUSION Recombinant patient-derived ACPAs ameliorated CAIA. Their antiinflammatory effects were more preventive than therapeutic. This study highlights a potential protective role for ACPAs in arthritis.
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Affiliation(s)
- Alejandro M Gomez
- Stanford University School of Medicine, Stanford, and VA Palo Alto Health Care System, Palo Alto, California
| | - R Camille Brewer
- Stanford University School of Medicine, Stanford, and VA Palo Alto Health Care System, Palo Alto, California
| | - Jae-Seung Moon
- Stanford University School of Medicine, Stanford, and VA Palo Alto Health Care System, Palo Alto, California
| | - Suman Acharya
- Stanford University School of Medicine, Stanford, and VA Palo Alto Health Care System, Palo Alto, California
| | - Sarah Kongpachith
- Stanford University School of Medicine, Stanford, and VA Palo Alto Health Care System, Palo Alto, California
| | - Qian Wang
- Stanford University School of Medicine, Stanford, and VA Palo Alto Health Care System, Palo Alto, California
| | - Shaghayegh Jahanbani
- Stanford University School of Medicine, Stanford, and VA Palo Alto Health Care System, Palo Alto, California
| | - Heidi H Wong
- Stanford University School of Medicine, Stanford, and VA Palo Alto Health Care System, Palo Alto, California
| | - Tobias V Lanz
- Stanford University School of Medicine, Stanford, and VA Palo Alto Health Care System, Palo Alto, California
| | - Zelda Z Love
- Stanford University School of Medicine, Stanford, and VA Palo Alto Health Care System, Palo Alto, California
| | | | | | - William H Robinson
- Stanford University School of Medicine, Stanford, and VA Palo Alto Health Care System, Palo Alto, California
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6
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Wang Q, Feng D, Jia S, Lu Q, Zhao M. B-Cell Receptor Repertoire: Recent Advances in Autoimmune Diseases. Clin Rev Allergy Immunol 2024; 66:76-98. [PMID: 38459209 DOI: 10.1007/s12016-024-08984-6] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 02/27/2024] [Indexed: 03/10/2024]
Abstract
In the field of contemporary medicine, autoimmune diseases (AIDs) are a prevalent and debilitating group of illnesses. However, they present extensive and profound challenges in terms of etiology, pathogenesis, and treatment. A major reason for this is the elusive pathophysiological mechanisms driving disease onset. Increasing evidence suggests the indispensable role of B cells in the pathogenesis of autoimmune diseases. Interestingly, B-cell receptor (BCR) repertoires in autoimmune diseases display a distinct skewing that can provide insights into disease pathogenesis. Over the past few years, advances in high-throughput sequencing have provided powerful tools for analyzing B-cell repertoire to understand the mechanisms during the period of B-cell immune response. In this paper, we have provided an overview of the mechanisms and analytical methods for generating BCR repertoire diversity and summarize the latest research progress on BCR repertoire in autoimmune diseases, including systemic lupus erythematosus (SLE), rheumatoid arthritis (RA), primary Sjögren's syndrome (pSS), multiple sclerosis (MS), and type 1 diabetes (T1D). Overall, B-cell repertoire analysis is a potent tool to understand the involvement of B cells in autoimmune diseases, facilitating the creation of innovative therapeutic strategies targeting specific B-cell clones or subsets.
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Affiliation(s)
- Qian Wang
- Department of Dermatology, Hunan Key Laboratory of Medical Epigenomics, the Second Xiangya Hospital of Central South University, Changsha, Hunan, China
- Clinical Medical Research Center of Major Skin Diseases and Skin Health of Hunan Province, Changsha, China
| | - Delong Feng
- Department of Dermatology, Hunan Key Laboratory of Medical Epigenomics, the Second Xiangya Hospital of Central South University, Changsha, Hunan, China
- Clinical Medical Research Center of Major Skin Diseases and Skin Health of Hunan Province, Changsha, China
| | - Sujie Jia
- Department of Pharmacy, Chinese Academy of Medical Sciences and Peking Union Medical College, Nanjing, 210042, China
| | - Qianjin Lu
- Institute of Dermatology, Chinese Academy of Medical Sciences and Peking Union Medical College, Nanjing, 210042, China.
- Key Laboratory of Basic and Translational Research on Immune-Mediated Skin Diseases, Chinese Academy of Medical Sciences, Nanjing, China.
| | - Ming Zhao
- Department of Dermatology, Hunan Key Laboratory of Medical Epigenomics, the Second Xiangya Hospital of Central South University, Changsha, Hunan, China.
- Clinical Medical Research Center of Major Skin Diseases and Skin Health of Hunan Province, Changsha, China.
- Institute of Dermatology, Chinese Academy of Medical Sciences and Peking Union Medical College, Nanjing, 210042, China.
- Key Laboratory of Basic and Translational Research on Immune-Mediated Skin Diseases, Chinese Academy of Medical Sciences, Nanjing, China.
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Nandakumar KS, Fang Q, Wingbro Ågren I, Bejmo ZF. Aberrant Activation of Immune and Non-Immune Cells Contributes to Joint Inflammation and Bone Degradation in Rheumatoid Arthritis. Int J Mol Sci 2023; 24:15883. [PMID: 37958864 PMCID: PMC10648236 DOI: 10.3390/ijms242115883] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/27/2023] [Revised: 10/25/2023] [Accepted: 10/30/2023] [Indexed: 11/15/2023] Open
Abstract
Abnormal activation of multiple immune and non-immune cells and proinflammatory factors mediate the development of joint inflammation in genetically susceptible individuals. Although specific environmental factors like smoking and infections are associated with disease pathogenesis, until now, we did not know the autoantigens and arthritogenic factors that trigger the initiation of the clinical disease. Autoantibodies recognizing specific post-translationally modified and unmodified antigens are generated and in circulation before the onset of the joint disease, and could serve as diagnostic and prognostic markers. The characteristic features of autoantibodies change regarding sub-class, affinity, glycosylation pattern, and epitope spreading before the disease onset. Some of these antibodies were proven to be pathogenic using animal and cell-culture models. However, not all of them can induce disease in animals. This review discusses the aberrant activation of major immune and non-immune cells contributing to joint inflammation. Recent studies explored the protective effects of extracellular vesicles from mesenchymal stem cells and bacteria on joints by targeting specific cells and pathways. Current therapeutics in clinics target cells and inflammatory pathways to attenuate joint inflammation and protect the cartilage and bones from degradation, but none cure the disease. Hence, more basic research is needed to investigate the triggers and mechanisms involved in initiating the disease and relapses to prevent chronic inflammation from damaging joint architecture.
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Affiliation(s)
- Kutty Selva Nandakumar
- Department of Medical Biochemistry and Biophysics, Karolinska Institute, 17177 Stockholm, Sweden
- Department of Environmental and Biosciences, Halmstad University, 30118 Halmstad, Sweden; (I.W.Å.); (Z.F.B.)
| | - Qinghua Fang
- Department of Urology, University of Pittsburgh School of Medicine, Pittsburgh, PA 15219, USA;
| | - Isabella Wingbro Ågren
- Department of Environmental and Biosciences, Halmstad University, 30118 Halmstad, Sweden; (I.W.Å.); (Z.F.B.)
| | - Zoe Fuwen Bejmo
- Department of Environmental and Biosciences, Halmstad University, 30118 Halmstad, Sweden; (I.W.Å.); (Z.F.B.)
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Joshua V, Loberg Haarhaus M, Hensvold A, Wähämaa H, Gerstner C, Hansson M, Israelsson L, Stålesen R, Sköld M, Grunewald J, Klareskog L, Grönwall C, Réthi B, Catrina A, Malmström V. Rheumatoid Arthritis-Specific Autoimmunity in the Lung Before and at the Onset of Disease. Arthritis Rheumatol 2023; 75:1910-1922. [PMID: 37192126 DOI: 10.1002/art.42549] [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: 12/22/2022] [Revised: 03/14/2023] [Accepted: 04/18/2023] [Indexed: 05/18/2023]
Abstract
OBJECTIVE The lung is implicated as a site for breach of tolerance prior to onset of seropositive rheumatoid arthritis (RA). To substantiate this, we investigated lung-resident B cells in bronchoalveolar lavage (BAL) samples from untreated early RA patients and anti-citrullinated protein antibody (ACPA)-positive individuals at risk for developing RA. METHODS Single B cells (n = 7,680) were phenotyped and isolated from BAL samples from individuals at risk of RA (n = 3) and at RA diagnosis (n = 9). The immunoglobulin variable region transcripts were sequenced and selected for expression as monoclonal antibodies (n = 141). Monoclonal ACPAs were tested for reactivity patterns and binding to neutrophils. RESULTS Using our single-cell approach, we found significantly increased proportions of B lymphocytes in ACPA+ compared to ACPA- individuals. Memory and double-negative B cells were prominent in all subgroups. Upon antibody re-expression, 7 highly mutated citrulline-autoreactive clones originating from different memory B cell subsets were identified, both in individuals at risk of RA and early RA patients. Lung IgG variable gene transcripts from ACPA+ individuals carried frequent mutation-induced N-linked Fab glycosylation sites (P < 0.001), often in the framework 3 of the variable region. Two of the lung ACPAs bound to activated neutrophils, 1 from an individual at risk of RA and 1 from an early RA patient. CONCLUSION T cell-driven B cell differentiation resulting in local class switching and somatic hypermutation are evident in lungs before as well as in early stages of ACPA+ RA. Our findings add to the notion of lung mucosa being a site for initiation of citrulline autoimmunity preceding seropositive RA.
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Affiliation(s)
- Vijay Joshua
- Division of Rheumatology, Department of Medicine Solna, Karolinska Institutet, Karolinska University Hospital, Stockholm, Sweden
| | - Malena Loberg Haarhaus
- Division of Rheumatology, Department of Medicine Solna, Karolinska Institutet, Karolinska University Hospital, Stockholm, Sweden
| | - Aase Hensvold
- Division of Rheumatology, Department of Medicine Solna, Karolinska Institutet, Karolinska University Hospital, Stockholm, Sweden
| | - Heidi Wähämaa
- Division of Rheumatology, Department of Medicine Solna, Karolinska Institutet, Karolinska University Hospital, Stockholm, Sweden
| | - Christina Gerstner
- Division of Rheumatology, Department of Medicine Solna, Karolinska Institutet, Karolinska University Hospital, Stockholm, Sweden
| | - Monika Hansson
- Division of Rheumatology, Department of Medicine Solna, Karolinska Institutet, Karolinska University Hospital, Stockholm, Sweden
| | - Lena Israelsson
- Division of Rheumatology, Department of Medicine Solna, Karolinska Institutet, Karolinska University Hospital, Stockholm, Sweden
| | - Ragnhild Stålesen
- Division of Rheumatology, Department of Medicine Solna, Karolinska Institutet, Karolinska University Hospital, Stockholm, Sweden
| | - Magnus Sköld
- Division of Respiratory Medicine, Department of Medicine Solna, Karolinska Institutet, and Department of Respiratory Medicine and Allergy, Karolinska University Hospital, Stockholm, Sweden
| | - Johan Grunewald
- Division of Respiratory Medicine, Department of Medicine Solna, Karolinska Institutet, Stockholm, Sweden
| | - Lars Klareskog
- Division of Rheumatology, Department of Medicine Solna, Karolinska Institutet, Karolinska University Hospital, Stockholm, Sweden
| | - Caroline Grönwall
- Division of Rheumatology, Department of Medicine Solna, Karolinska Institutet, Karolinska University Hospital, Stockholm, Sweden
| | - Bence Réthi
- Division of Rheumatology, Department of Medicine Solna, Karolinska Institutet, Karolinska University Hospital, Stockholm, Sweden
| | - Anca Catrina
- Division of Rheumatology, Department of Medicine Solna, Karolinska Institutet, Karolinska University Hospital, Stockholm, Sweden
| | - Vivianne Malmström
- Division of Rheumatology, Department of Medicine Solna, Karolinska Institutet, Karolinska University Hospital, Stockholm, Sweden
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Batsalova T, Dzhambazov B. Significance of Type II Collagen Posttranslational Modifications: From Autoantigenesis to Improved Diagnosis and Treatment of Rheumatoid Arthritis. Int J Mol Sci 2023; 24:9884. [PMID: 37373030 DOI: 10.3390/ijms24129884] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/19/2023] [Revised: 06/06/2023] [Accepted: 06/07/2023] [Indexed: 06/29/2023] Open
Abstract
Collagen type II (COL2), the main structural protein of hyaline cartilage, is considerably affected by autoimmune responses associated with the pathogenesis of rheumatoid arthritis (RA). Posttranslational modifications (PTMs) play a significant role in the formation of the COL2 molecule and supramolecular fibril organization, and thus, support COL2 function, which is crucial for normal cartilage structure and physiology. Conversely, the specific PTMs of the protein (carbamylation, glycosylation, citrullination, oxidative modifications and others) have been implicated in RA autoimmunity. The discovery of the anti-citrullinated protein response in RA, which includes anti-citrullinated COL2 reactivity, has led to the development of improved diagnostic assays and classification criteria for the disease. The induction of immunological tolerance using modified COL2 peptides has been highlighted as a potentially effective strategy for RA therapy. Therefore, the aim of this review is to summarize the recent knowledge on COL2 posttranslational modifications with relevance to RA pathophysiology, diagnosis and treatment. The significance of COL2 PTMs as a source of neo-antigens that activate immunity leading to or sustaining RA autoimmunity is discussed.
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Affiliation(s)
- Tsvetelina Batsalova
- Faculty of Biology, Paisii Hilendarski University of Plovdiv, 24 Tsar Assen Str., 4000 Plovdiv, Bulgaria
| | - Balik Dzhambazov
- Faculty of Biology, Paisii Hilendarski University of Plovdiv, 24 Tsar Assen Str., 4000 Plovdiv, Bulgaria
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10
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Baglaenko Y, Wagner C, Bhoj VG, Brodin P, Gershwin ME, Graham D, Invernizzi P, Kidd KK, Korsunsky I, Levy M, Mammen AL, Nizet V, Ramirez-Valle F, Stites EC, Williams MS, Wilson M, Rose NR, Ladd V, Sirota M. Making inroads to precision medicine for the treatment of autoimmune diseases: Harnessing genomic studies to better diagnose and treat complex disorders. CAMBRIDGE PRISMS. PRECISION MEDICINE 2023; 1:e25. [PMID: 38550937 PMCID: PMC10953750 DOI: 10.1017/pcm.2023.14] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/23/2023] [Revised: 04/21/2023] [Accepted: 04/25/2023] [Indexed: 06/13/2024]
Abstract
Precision Medicine is an emerging approach for disease treatment and prevention that takes into account individual variability in genes, environment, and lifestyle. Autoimmune diseases are those in which the body's natural defense system loses discriminating power between its own cells and foreign cells, causing the body to mistakenly attack healthy tissues. These conditions are very heterogeneous in their presentation and therefore difficult to diagnose and treat. Achieving precision medicine in autoimmune diseases has been challenging due to the complex etiologies of these conditions, involving an interplay between genetic, epigenetic, and environmental factors. However, recent technological and computational advances in molecular profiling have helped identify patient subtypes and molecular pathways which can be used to improve diagnostics and therapeutics. This review discusses the current understanding of the disease mechanisms, heterogeneity, and pathogenic autoantigens in autoimmune diseases gained from genomic and transcriptomic studies and highlights how these findings can be applied to better understand disease heterogeneity in the context of disease diagnostics and therapeutics.
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Affiliation(s)
| | | | | | | | | | - Daniel Graham
- The Broad Institute of MIT and Harvard, Cambridge, MA, USA
| | - Pietro Invernizzi
- Division of Gastroenterology, Center for Autoimmune Liver Diseases, Department of Medicine and Surgery, University of Milano-Bicocca, Monza, Italy
- European Reference Network on Hepatological Diseases (ERN RARE-LIVER), IRCCS Fondazione San Gerardo dei Tintori, Monza, Italy
| | - Kenneth K. Kidd
- Department of Laboratory Medicine, Yale School of Medicine, New Haven, CT, USA
| | | | - Michael Levy
- Massachusetts General Hospital and Harvard Medical School, Boston, MA, USA
| | - Andrew L. Mammen
- National Institute of Arthritis and Musculoskeletal and Skin Diseases, National Institutes of Health, USA
| | - Victor Nizet
- School of Medicine, University of California San Diego, San Diego, CA, USA
| | | | - Edward C. Stites
- Department of Laboratory Medicine, Yale School of Medicine, New Haven, CT, USA
| | | | - Michael Wilson
- Weill Institute for Neurosciences, Department of Neurology, UCSF, San Francisco, CA, USA
| | - Noel R. Rose
- Autoimmune Association, Clinton Township, MI, USA
| | | | - Marina Sirota
- Bakar Computational Health Sciences Institute, UCSF, San Francisco, CA, USA
- Department of Pediatrics, UCSF, San Francisco, CA, USA
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11
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Stainer A, Tonutti A, De Santis M, Amati F, Ceribelli A, Bongiovanni G, Torrisi C, Iacopino A, Mangiameli G, Aliberti S, Selmi C. Unmet needs and perspectives in rheumatoid arthritis-associated interstitial lung disease: A critical review. Front Med (Lausanne) 2023; 10:1129939. [PMID: 37007765 PMCID: PMC10062456 DOI: 10.3389/fmed.2023.1129939] [Citation(s) in RCA: 3] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/22/2022] [Accepted: 02/20/2023] [Indexed: 03/18/2023] Open
Abstract
Rheumatoid arthritis (RA) is a chronic systemic autoimmune disease characterized by synovitis as the most common clinical manifestation, and interstitial lung disease (RA-ILD) represents one of the most common and potentially severe extra-articular features. Our current understanding of the mechanisms and predictors of RA-ILD is limited despite the demonstration that an early identification of progressive fibrosing forms is crucial to provide timely treatment with antifibrotic therapies. While high resolution computed tomography is the gold standard technique for the diagnosis and follow-up of RA-ILD, it has been hypothesized that serum biomarkers (including novel and rare autoantibodies), new imaging techniques such as ultrasound of the lung, or the application of innovative radiologic algorithms may help towards predicting and detecting early forms of diseases. Further, while new treatments are becoming available for idiopathic and connective tissue disease-associated forms of lung fibrosis, the treatment of RA-ILD remains anecdotal and largely unexplored. We are convinced that a better understanding of the mechanisms connecting RA with ILD in a subgroup of patients as well as the creation of adequate diagnostic pathways will be mandatory steps for a more effective management of this clinically challenging entity.
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Affiliation(s)
- Anna Stainer
- Department of Biomedical Sciences, Humanitas University, Milan, Italy
- Division of Respiratory Medicine, IRCCS Humanitas Research Hospital, Milan, Italy
| | - Antonio Tonutti
- Department of Biomedical Sciences, Humanitas University, Milan, Italy
- IRCCS Humanitas Research Hospital, Milan, Italy
| | - Maria De Santis
- Department of Biomedical Sciences, Humanitas University, Milan, Italy
- Division of Rheumatology and Clinical Immunology, IRCCS Humanitas Research Hospital, Milan, Italy
- *Correspondence: Maria De Santis,
| | - Francesco Amati
- Department of Biomedical Sciences, Humanitas University, Milan, Italy
- Division of Respiratory Medicine, IRCCS Humanitas Research Hospital, Milan, Italy
| | - Angela Ceribelli
- Department of Biomedical Sciences, Humanitas University, Milan, Italy
- Division of Rheumatology and Clinical Immunology, IRCCS Humanitas Research Hospital, Milan, Italy
| | - Gabriele Bongiovanni
- Department of Biomedical Sciences, Humanitas University, Milan, Italy
- IRCCS Humanitas Research Hospital, Milan, Italy
| | - Chiara Torrisi
- Department of Radiology, IRCCS Humanitas Research Hospital, Milan, Italy
| | - Antonio Iacopino
- Department of Radiology, IRCCS Humanitas Research Hospital, Milan, Italy
| | - Giuseppe Mangiameli
- Department of Biomedical Sciences, Humanitas University, Milan, Italy
- Division of Thoracic Surgery, IRCCS Humanitas Research Hospital, Milan, Italy
| | - Stefano Aliberti
- Department of Biomedical Sciences, Humanitas University, Milan, Italy
- Division of Respiratory Medicine, IRCCS Humanitas Research Hospital, Milan, Italy
| | - Carlo Selmi
- Department of Biomedical Sciences, Humanitas University, Milan, Italy
- Division of Rheumatology and Clinical Immunology, IRCCS Humanitas Research Hospital, Milan, Italy
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12
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Sardana Y, Bhatti GK, Singh C, Sharma PK, Reddy PH, Bhatti JS. Progression of pre-rheumatoid arthritis to clinical disease of joints: Potential role of mesenchymal stem cells. Life Sci 2023; 321:121641. [PMID: 36997059 DOI: 10.1016/j.lfs.2023.121641] [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: 01/24/2023] [Revised: 03/16/2023] [Accepted: 03/24/2023] [Indexed: 03/30/2023]
Abstract
Rheumatoid arthritis (RA) related autoimmunity is developed at mucosal sites due to the interplay between genetic risk factors and environmental triggers. The pre-RA phase that leads to anti-citrullinated protein antibodies, rheumatoid factor, and other autoantibodies spread in the systemic circulation may not affect articular tissue for years until a mysterious second hit triggers the localization of RA-related autoimmunity in joints. Several players in the joint microenvironment mediate the synovial innate and adaptive immunological processes, eventually leading to clinical synovitis. There still exists a gap in the early phase of RA pathogenesis, i.e., the progression of diseases from the systemic circulation to joints. The lack of better understanding of these events results in the inability to answer questions about why only after a certain point of time the disease appears in joints and why in some cases, it simply remains latent and doesn't affect joints at all. In the current review, we focused on the immunomodulatory and regenerative role of mesenchymal stem cells and associated exosomes in RA pathology. We also highlighted the age-related dysregulations in activities of mesenchymal stem cells and how that might trigger homing of systemic autoimmunity to joints.
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Affiliation(s)
- Yogesh Sardana
- Department of Human Genetics and Molecular Medicine, School of Health Sciences, Central University of Punjab, Bathinda, India
| | - Gurjit Kaur Bhatti
- Department of Medical Lab Technology, University Institute of Applied Health Sciences, Chandigarh University, Mohali, India
| | - Charan Singh
- Department of Pharmaceutical Sciences, Hemvati Nandan Bahuguna Garhwal University, Uttarakhand, India
| | | | - P Hemachandra Reddy
- Department of Internal Medicine, Texas Tech University Health Sciences Center, Lubbock, TX 79430, USA; Department of Pharmacology and Neuroscience, Garrison Institute on Aging, Texas Tech University Health Sciences Center, Lubbock, TX 79430, USA; Department of Public Health, Graduate School of Biomedical Sciences, Texas Tech University Health Sciences Center, Lubbock, TX 79430, USA; Department of Neurology, Texas Tech University Health Sciences Center, Lubbock, TX 79430, USA; Department of Speech, Language, and Hearing Sciences, Texas Tech University Health Sciences Center, Lubbock, TX 79430, USA; Nutritional Sciences Department, College of Human Sciences, Texas Tech University, 1301 Akron Ave, Lubbock, TX 79409, USA.
| | - Jasvinder Singh Bhatti
- Department of Human Genetics and Molecular Medicine, School of Health Sciences, Central University of Punjab, Bathinda, India.
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13
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Brewer RC, Lanz TV, Hale CR, Sepich-Poore GD, Martino C, Swafford AD, Carroll TS, Kongpachith S, Blum LK, Elliott SE, Blachere NE, Parveen S, Fak J, Yao V, Troyanskaya O, Frank MO, Bloom MS, Jahanbani S, Gomez AM, Iyer R, Ramadoss NS, Sharpe O, Chandrasekaran S, Kelmenson LB, Wang Q, Wong H, Torres HL, Wiesen M, Graves DT, Deane KD, Holers VM, Knight R, Darnell RB, Robinson WH, Orange DE. Oral mucosal breaks trigger anti-citrullinated bacterial and human protein antibody responses in rheumatoid arthritis. Sci Transl Med 2023; 15:eabq8476. [PMID: 36812347 PMCID: PMC10496947 DOI: 10.1126/scitranslmed.abq8476] [Citation(s) in RCA: 15] [Impact Index Per Article: 15.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/06/2022] [Accepted: 02/02/2023] [Indexed: 02/24/2023]
Abstract
Periodontal disease is more common in individuals with rheumatoid arthritis (RA) who have detectable anti-citrullinated protein antibodies (ACPAs), implicating oral mucosal inflammation in RA pathogenesis. Here, we performed paired analysis of human and bacterial transcriptomics in longitudinal blood samples from RA patients. We found that patients with RA and periodontal disease experienced repeated oral bacteremias associated with transcriptional signatures of ISG15+HLADRhi and CD48highS100A2pos monocytes, recently identified in inflamed RA synovia and blood of those with RA flares. The oral bacteria observed transiently in blood were broadly citrullinated in the mouth, and their in situ citrullinated epitopes were targeted by extensively somatically hypermutated ACPAs encoded by RA blood plasmablasts. Together, these results suggest that (i) periodontal disease results in repeated breaches of the oral mucosa that release citrullinated oral bacteria into circulation, which (ii) activate inflammatory monocyte subsets that are observed in inflamed RA synovia and blood of RA patients with flares and (iii) activate ACPA B cells, thereby promoting affinity maturation and epitope spreading to citrullinated human antigens.
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Affiliation(s)
- R. Camille Brewer
- Division of Immunology and Rheumatology, Stanford University, Stanford, CA, 94305, USA
- VA Palo Alto Health Care System, Palo Alto, CA, 94304, USA
| | - Tobias V. Lanz
- Division of Immunology and Rheumatology, Stanford University, Stanford, CA, 94305, USA
- VA Palo Alto Health Care System, Palo Alto, CA, 94304, USA
- Department of Neurology, Medical Faculty Mannheim, University of Heidelberg, Mannheim, 68167, Germany
| | - Caryn R. Hale
- Rockefeller University, New York City, NY 10065, USA
| | | | - Cameron Martino
- Department of Pediatrics, University of California San Diego, La Jolla, CA, USA
- Center for Microbiome Innovation, University of California San Diego, La Jolla, CA, USA
- Bioinformatics and Systems Biology Program, University of California, San Diego, La Jolla, CA 92093, USA
| | - Austin D. Swafford
- Center for Microbiome Innovation, University of California San Diego, La Jolla, CA, USA
| | - Thomas S. Carroll
- Bioinformatics Resource Center, Rockefeller University, 1230 York Ave., New York, NY 10065, USA
| | - Sarah Kongpachith
- Division of Immunology and Rheumatology, Stanford University, Stanford, CA, 94305, USA
- VA Palo Alto Health Care System, Palo Alto, CA, 94304, USA
| | - Lisa K. Blum
- Division of Immunology and Rheumatology, Stanford University, Stanford, CA, 94305, USA
- VA Palo Alto Health Care System, Palo Alto, CA, 94304, USA
| | - Serra E. Elliott
- Division of Immunology and Rheumatology, Stanford University, Stanford, CA, 94305, USA
- VA Palo Alto Health Care System, Palo Alto, CA, 94304, USA
| | - Nathalie E. Blachere
- Rockefeller University, New York City, NY 10065, USA
- Howard Hughes Medical Institute, Chevy Chase, MD, USA
| | | | - John Fak
- Rockefeller University, New York City, NY 10065, USA
| | - Vicky Yao
- Department of Computer Science, Rice University, Houston, TX 77005, USA
- Department of Computer Science, Princeton University, Princeton, NJ, 08544, USA
| | - Olga Troyanskaya
- Department of Computer Science, Princeton University, Princeton, NJ, 08544, USA
- Lewis-Sigler Institute of Integrative Genomics, Princeton University, Princeton, NJ, 08544, USA
- Flatiron Institute, Simons Foundation, New York, NY, 10010, USA
| | - Mayu O. Frank
- Rockefeller University, New York City, NY 10065, USA
| | - Michelle S. Bloom
- Division of Immunology and Rheumatology, Stanford University, Stanford, CA, 94305, USA
- VA Palo Alto Health Care System, Palo Alto, CA, 94304, USA
| | - Shaghayegh Jahanbani
- Division of Immunology and Rheumatology, Stanford University, Stanford, CA, 94305, USA
- VA Palo Alto Health Care System, Palo Alto, CA, 94304, USA
| | - Alejandro M. Gomez
- Division of Immunology and Rheumatology, Stanford University, Stanford, CA, 94305, USA
- VA Palo Alto Health Care System, Palo Alto, CA, 94304, USA
| | - Radhika Iyer
- Division of Immunology and Rheumatology, Stanford University, Stanford, CA, 94305, USA
- VA Palo Alto Health Care System, Palo Alto, CA, 94304, USA
| | - Nitya S. Ramadoss
- Division of Immunology and Rheumatology, Stanford University, Stanford, CA, 94305, USA
- VA Palo Alto Health Care System, Palo Alto, CA, 94304, USA
| | - Orr Sharpe
- Division of Immunology and Rheumatology, Stanford University, Stanford, CA, 94305, USA
- VA Palo Alto Health Care System, Palo Alto, CA, 94304, USA
| | | | - Lindsay B. Kelmenson
- Division of Rheumatology, University of Colorado - Denver, Aurora, CO, 80045, USA
| | - Qian Wang
- Division of Immunology and Rheumatology, Stanford University, Stanford, CA, 94305, USA
- VA Palo Alto Health Care System, Palo Alto, CA, 94304, USA
| | - Heidi Wong
- Division of Immunology and Rheumatology, Stanford University, Stanford, CA, 94305, USA
- VA Palo Alto Health Care System, Palo Alto, CA, 94304, USA
| | | | - Mark Wiesen
- VA Palo Alto Health Care System, Palo Alto, CA, 94304, USA
| | - Dana T. Graves
- Department of Periodontics, School of Dental Medicine, University of Pennsylvania, Philadelphia, PA, 19104, USA
| | - Kevin D. Deane
- Division of Rheumatology, University of Colorado - Denver, Aurora, CO, 80045, USA
| | - V. Michael Holers
- Division of Rheumatology, University of Colorado - Denver, Aurora, CO, 80045, USA
| | - Rob Knight
- Department of Bioengineering, University of California San Diego, La Jolla, CA, USA
- Department of Pediatrics, University of California San Diego, La Jolla, CA, USA
- Center for Microbiome Innovation, University of California San Diego, La Jolla, CA, USA
- Department of Computer Science and Engineering, University of California San Diego, La Jolla, CA, USA
| | - Robert B. Darnell
- Rockefeller University, New York City, NY 10065, USA
- Howard Hughes Medical Institute, Chevy Chase, MD, USA
| | - William H. Robinson
- Division of Immunology and Rheumatology, Stanford University, Stanford, CA, 94305, USA
- VA Palo Alto Health Care System, Palo Alto, CA, 94304, USA
| | - Dana E. Orange
- Rockefeller University, New York City, NY 10065, USA
- Hospital for Special Surgery, New York City, NY 10075, USA
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14
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Affiliation(s)
- Ellen M Gravallese
- From the Division of Rheumatology, Inflammation, and Immunity, Brigham and Women's Hospital, Boston (E.M.G.); and the Division of Rheumatology, Allergy, and Immunology, University of California at San Diego School of Medicine, La Jolla (G.S.F.)
| | - Gary S Firestein
- From the Division of Rheumatology, Inflammation, and Immunity, Brigham and Women's Hospital, Boston (E.M.G.); and the Division of Rheumatology, Allergy, and Immunology, University of California at San Diego School of Medicine, La Jolla (G.S.F.)
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15
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Bieber K, Hundt JE, Yu X, Ehlers M, Petersen F, Karsten CM, Köhl J, Kridin K, Kalies K, Kasprick A, Goletz S, Humrich JY, Manz RA, Künstner A, Hammers CM, Akbarzadeh R, Busch H, Sadik CD, Lange T, Grasshoff H, Hackel AM, Erdmann J, König I, Raasch W, Becker M, Kerstein-Stähle A, Lamprecht P, Riemekasten G, Schmidt E, Ludwig RJ. Autoimmune pre-disease. Autoimmun Rev 2023; 22:103236. [PMID: 36436750 DOI: 10.1016/j.autrev.2022.103236] [Citation(s) in RCA: 21] [Impact Index Per Article: 21.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/22/2022] [Accepted: 11/17/2022] [Indexed: 11/27/2022]
Abstract
Approximately 5% of the world-wide population is affected by autoimmune diseases. Overall, autoimmune diseases are still difficult to treat, impose a high burden on patients, and have a significant economic impact. Like other complex diseases, e.g., cancer, autoimmune diseases develop over several years. Decisive steps in the development of autoimmune diseases are (i) the development of autoantigen-specific lymphocytes and (often) autoantibodies and (ii) potentially clinical disease manifestation at a later stage. However, not all healthy individuals with autoantibodies develop disease manifestations. Identifying autoantibody-positive healthy individuals and monitoring and inhibiting their switch to inflammatory autoimmune disease conditions are currently in their infancy. The switch from harmless to inflammatory autoantigen-specific T and B-cell and autoantibody responses seems to be the hallmark for the decisive factor in inflammatory autoimmune disease conditions. Accordingly, biomarkers allowing us to predict this progression would have a significant impact. Several factors, such as genetics and the environment, especially diet, smoking, exposure to pollutants, infections, stress, and shift work, might influence the progression from harmless to inflammatory autoimmune conditions. To inspire research directed at defining and ultimately targeting autoimmune predisease, here, we review published evidence underlying the progression from health to autoimmune predisease and ultimately to clinically manifest inflammatory autoimmune disease, addressing the following 3 questions: (i) what is the current status, (ii) what is missing, (iii) and what are the future perspectives for defining and modulating autoimmune predisease.
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Affiliation(s)
- Katja Bieber
- Lübeck Institute of Experimental Dermatology and Center for Research on Inflammation of the Skin, University of Lübeck, Germany
| | - Jennifer E Hundt
- Lübeck Institute of Experimental Dermatology and Center for Research on Inflammation of the Skin, University of Lübeck, Germany
| | - Xinhua Yu
- Priority Area Chronic Lung Diseases, Research Center Borstel, Airway Research Center North (ARCN), Member of the German Center for Lung Research (DZL), Borstel, Germany
| | - Marc Ehlers
- Institute of Nutritional Medicine, University of Lübeck and University Hospital Schleswig-Holstein, Lübeck, Germany
| | - Frank Petersen
- Priority Area Chronic Lung Diseases, Research Center Borstel, Airway Research Center North (ARCN), Member of the German Center for Lung Research (DZL), Borstel, Germany
| | - Christian M Karsten
- Institute for Systemic Inflammation Research, University of Lübeck, 23562 Lübeck, Germany
| | - Jörg Köhl
- Institute for Systemic Inflammation Research, University of Lübeck, 23562 Lübeck, Germany; Division of Immunobiology, Cincinnati Children's Hospital and University of Cincinnati College of Medicine, Cincinnati, OH 45229, USA
| | - Khalaf Kridin
- Lübeck Institute of Experimental Dermatology and Center for Research on Inflammation of the Skin, University of Lübeck, Germany; Azrieli Faculty of Medicine, Bar-Ilan University, Safed, Israel; Unit of Dermatology and Skin Research Laboratory, Baruch Padeh Medical Center, Poriya, Israel
| | - Kathrin Kalies
- Institute of Anatomy, University of Lübeck, Lübeck, Germany
| | - Anika Kasprick
- Lübeck Institute of Experimental Dermatology and Center for Research on Inflammation of the Skin, University of Lübeck, Germany
| | - Stephanie Goletz
- Lübeck Institute of Experimental Dermatology and Center for Research on Inflammation of the Skin, University of Lübeck, Germany
| | - Jens Y Humrich
- Department of Rheumatology and Clinical Immunology, University of Lübeck, Lübeck, Germany
| | - Rudolf A Manz
- Institute for Systemic Inflammation Research, University of Lübeck, 23562 Lübeck, Germany
| | - Axel Künstner
- Lübeck Institute of Experimental Dermatology and Center for Research on Inflammation of the Skin, University of Lübeck, Germany
| | - Christoph M Hammers
- Lübeck Institute of Experimental Dermatology and Center for Research on Inflammation of the Skin, University of Lübeck, Germany
| | - Reza Akbarzadeh
- Department of Rheumatology and Clinical Immunology, University of Lübeck, Lübeck, Germany
| | - Hauke Busch
- Lübeck Institute of Experimental Dermatology and Center for Research on Inflammation of the Skin, University of Lübeck, Germany
| | | | - Tanja Lange
- Department of Rheumatology and Clinical Immunology, University of Lübeck, Lübeck, Germany
| | - Hanna Grasshoff
- Department of Rheumatology and Clinical Immunology, University of Lübeck, Lübeck, Germany
| | - Alexander M Hackel
- Department of Rheumatology and Clinical Immunology, University of Lübeck, Lübeck, Germany
| | - Jeanette Erdmann
- Institute of Medical Biometry and Statistics, University of Lübeck, Lübeck, Germany
| | - Inke König
- Institute for Cardiogenetics, University of Lübeck, Lübeck, Germany
| | - Walter Raasch
- Institute of Experimental and Clinical Pharmacology and Toxicology, University of Lübeck, Lübeck, Germany
| | - Mareike Becker
- Department of Dermatology, University of Lübeck, Lübeck, Germany
| | - Anja Kerstein-Stähle
- Department of Rheumatology and Clinical Immunology, University of Lübeck, Lübeck, Germany
| | - Peter Lamprecht
- Department of Rheumatology and Clinical Immunology, University of Lübeck, Lübeck, Germany
| | - Gabriela Riemekasten
- Department of Rheumatology and Clinical Immunology, University of Lübeck, Lübeck, Germany
| | - Enno Schmidt
- Lübeck Institute of Experimental Dermatology and Center for Research on Inflammation of the Skin, University of Lübeck, Germany; Department of Dermatology, University of Lübeck, Lübeck, Germany
| | - Ralf J Ludwig
- Lübeck Institute of Experimental Dermatology and Center for Research on Inflammation of the Skin, University of Lübeck, Germany.
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16
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Chriswell ME, Lefferts AR, Clay MR, Hsu AR, Seifert J, Feser ML, Rims C, Bloom MS, Bemis EA, Liu S, Maerz MD, Frank DN, Demoruelle MK, Deane KD, James EA, Buckner JH, Robinson WH, Holers VM, Kuhn KA. Clonal IgA and IgG autoantibodies from individuals at risk for rheumatoid arthritis identify an arthritogenic strain of Subdoligranulum. Sci Transl Med 2022; 14. [PMID: 36288282 PMCID: PMC9804515 DOI: 10.1126/scitranslmed.abn5166 10.1126/scitranslmed.abn5166] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/18/2023]
Abstract
The mucosal origins hypothesis of rheumatoid arthritis (RA) proposes a central role for mucosal immune responses in the initiation or perpetuation of the systemic autoimmunity that occurs with disease. However, the connection between the mucosa and systemic autoimmunity in RA remains unclear. Using dual immunoglobulin A (IgA) and IgG family plasmablast-derived monoclonal autoantibodies obtained from peripheral blood of individuals at risk for RA, we identified cross-reactivity between RA-relevant autoantigens and bacterial taxa in the closely related families Lachnospiraceae and Ruminococcaceae. After generating bacterial isolates within the Lachnospiraceae/Ruminococcaceae genus Subdoligranulum from the feces of an individual, we confirmed monoclonal antibody binding and CD4+ T cell activation in individuals with RA compared to control individuals. In addition, when Subdoligranulum isolate 7 but not isolate 1 colonized germ-free mice, it stimulated TH17 cell expansion, serum RA-relevant IgG autoantibodies, and joint swelling reminiscent of early RA, with histopathology characterized by antibody deposition and complement activation. Systemic immune responses were likely due to mucosal invasion along with the generation of colon-isolated lymphoid follicles driving increased fecal and serum IgA by isolate 7, because B and CD4+ T cell depletion not only halted intestinal immune responses but also eliminated detectable clinical disease. In aggregate, these findings demonstrate a mechanism of RA pathogenesis through which a specific intestinal strain of bacteria can drive systemic autoantibody generation and joint-centered antibody deposition and immune activation.
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Affiliation(s)
- Meagan E. Chriswell
- Division of Rheumatology, Department of Medicine, University of Colorado Anschutz Medical Campus, Aurora, CO 80045
| | - Adam R. Lefferts
- Division of Rheumatology, Department of Medicine, University of Colorado Anschutz Medical Campus, Aurora, CO 80045
| | - Michael R. Clay
- Department of Pathology, University of Colorado Anschutz Medical Campus, Aurora, CO 80045
| | - Alex Ren Hsu
- Division of Immunology and Rheumatology, Department of Medicine, Stanford University School of Medicine, Stanford, CA 94305
| | - Jennifer Seifert
- Division of Rheumatology, Department of Medicine, University of Colorado Anschutz Medical Campus, Aurora, CO 80045
| | - Marie L. Feser
- Division of Rheumatology, Department of Medicine, University of Colorado Anschutz Medical Campus, Aurora, CO 80045
| | - Cliff Rims
- Benaroya Research Institute, Seattle, WA 98101
| | - Michelle S. Bloom
- Division of Immunology and Rheumatology, Department of Medicine, Stanford University School of Medicine, Stanford, CA 94305
| | - Elizabeth A. Bemis
- Division of Rheumatology, Department of Medicine, University of Colorado Anschutz Medical Campus, Aurora, CO 80045
| | - Sucai Liu
- Division of Rheumatology, Department of Medicine, University of Colorado Anschutz Medical Campus, Aurora, CO 80045
| | | | - Daniel N. Frank
- Division of Infectious Disease, University of Colorado Anschutz Medical Campus, Aurora, CO 80045
| | - M. Kristen Demoruelle
- Division of Rheumatology, Department of Medicine, University of Colorado Anschutz Medical Campus, Aurora, CO 80045
| | - Kevin D. Deane
- Division of Rheumatology, Department of Medicine, University of Colorado Anschutz Medical Campus, Aurora, CO 80045
| | | | | | - William H. Robinson
- Division of Immunology and Rheumatology, Department of Medicine, Stanford University School of Medicine, Stanford, CA 94305
| | - V. Michael Holers
- Division of Rheumatology, Department of Medicine, University of Colorado Anschutz Medical Campus, Aurora, CO 80045
| | - Kristine A. Kuhn
- Division of Rheumatology, Department of Medicine, University of Colorado Anschutz Medical Campus, Aurora, CO 80045,Corresponding Author:
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17
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Chriswell ME, Lefferts AR, Clay MR, Hsu AR, Seifert J, Feser ML, Rims C, Bloom MS, Bemis EA, Liu S, Maerz MD, Frank DN, Demoruelle MK, Deane KD, James EA, Buckner JH, Robinson WH, Holers VM, Kuhn KA. Clonal IgA and IgG autoantibodies from individuals at risk for rheumatoid arthritis identify an arthritogenic strain of Subdoligranulum. Sci Transl Med 2022; 14:eabn5166. [PMID: 36288282 PMCID: PMC9804515 DOI: 10.1126/scitranslmed.abn5166] [Citation(s) in RCA: 53] [Impact Index Per Article: 26.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/03/2023]
Abstract
The mucosal origins hypothesis of rheumatoid arthritis (RA) proposes a central role for mucosal immune responses in the initiation or perpetuation of the systemic autoimmunity that occurs with disease. However, the connection between the mucosa and systemic autoimmunity in RA remains unclear. Using dual immunoglobulin A (IgA) and IgG family plasmablast-derived monoclonal autoantibodies obtained from peripheral blood of individuals at risk for RA, we identified cross-reactivity between RA-relevant autoantigens and bacterial taxa in the closely related families Lachnospiraceae and Ruminococcaceae. After generating bacterial isolates within the Lachnospiraceae/Ruminococcaceae genus Subdoligranulum from the feces of an individual, we confirmed monoclonal antibody binding and CD4+ T cell activation in individuals with RA compared to control individuals. In addition, when Subdoligranulum isolate 7 but not isolate 1 colonized germ-free mice, it stimulated TH17 cell expansion, serum RA-relevant IgG autoantibodies, and joint swelling reminiscent of early RA, with histopathology characterized by antibody deposition and complement activation. Systemic immune responses were likely due to mucosal invasion along with the generation of colon-isolated lymphoid follicles driving increased fecal and serum IgA by isolate 7, because B and CD4+ T cell depletion not only halted intestinal immune responses but also eliminated detectable clinical disease. In aggregate, these findings demonstrate a mechanism of RA pathogenesis through which a specific intestinal strain of bacteria can drive systemic autoantibody generation and joint-centered antibody deposition and immune activation.
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Affiliation(s)
- Meagan E. Chriswell
- Division of Rheumatology, Department of Medicine, University of Colorado Anschutz Medical Campus, Aurora, CO 80045
| | - Adam R. Lefferts
- Division of Rheumatology, Department of Medicine, University of Colorado Anschutz Medical Campus, Aurora, CO 80045
| | - Michael R. Clay
- Department of Pathology, University of Colorado Anschutz Medical Campus, Aurora, CO 80045
| | - Alex Ren Hsu
- Division of Immunology and Rheumatology, Department of Medicine, Stanford University School of Medicine, Stanford, CA 94305
| | - Jennifer Seifert
- Division of Rheumatology, Department of Medicine, University of Colorado Anschutz Medical Campus, Aurora, CO 80045
| | - Marie L. Feser
- Division of Rheumatology, Department of Medicine, University of Colorado Anschutz Medical Campus, Aurora, CO 80045
| | - Cliff Rims
- Benaroya Research Institute, Seattle, WA 98101
| | - Michelle S. Bloom
- Division of Immunology and Rheumatology, Department of Medicine, Stanford University School of Medicine, Stanford, CA 94305
| | - Elizabeth A. Bemis
- Division of Rheumatology, Department of Medicine, University of Colorado Anschutz Medical Campus, Aurora, CO 80045
| | - Sucai Liu
- Division of Rheumatology, Department of Medicine, University of Colorado Anschutz Medical Campus, Aurora, CO 80045
| | | | - Daniel N. Frank
- Division of Infectious Disease, University of Colorado Anschutz Medical Campus, Aurora, CO 80045
| | - M. Kristen Demoruelle
- Division of Rheumatology, Department of Medicine, University of Colorado Anschutz Medical Campus, Aurora, CO 80045
| | - Kevin D. Deane
- Division of Rheumatology, Department of Medicine, University of Colorado Anschutz Medical Campus, Aurora, CO 80045
| | | | | | - William H. Robinson
- Division of Immunology and Rheumatology, Department of Medicine, Stanford University School of Medicine, Stanford, CA 94305
| | - V. Michael Holers
- Division of Rheumatology, Department of Medicine, University of Colorado Anschutz Medical Campus, Aurora, CO 80045
| | - Kristine A. Kuhn
- Division of Rheumatology, Department of Medicine, University of Colorado Anschutz Medical Campus, Aurora, CO 80045,Corresponding Author:
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18
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Reijm S, Brehler AS, Rantapää-Dahlqvist S, Kawakami A, Maeda T, Kawashiri SY, Tamai M, van der Woude D, Toes REM. Cross-reactivity of anti-modified protein antibodies is also present in predisease and individuals without rheumatoid arthritis. Ann Rheum Dis 2022; 81:1332-1334. [PMID: 35459696 DOI: 10.1136/annrheumdis-2022-222326] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/09/2022] [Accepted: 04/12/2022] [Indexed: 11/04/2022]
Affiliation(s)
- Sanne Reijm
- Department of Rheumatology, Leiden University Medical Center, Leiden, The Netherlands
| | - Astrid S Brehler
- Department of Rheumatology, Leiden University Medical Center, Leiden, The Netherlands
| | | | - Atsushi Kawakami
- Department of Immunology and Rheumatology, Nagasaki University Graduate School of Biomedical Sciences, Nagasaki, Japan
| | - Takahiro Maeda
- Department of Community Medicine, Nagasaki University Graduate School of Biomedical Sciences, Nagasaki, Japan
| | - Shin-Ya Kawashiri
- Department of Immunology and Rheumatology Graduate School of Biomedical Sciences, Nagasaki University, Nagasaki, Japan
| | - Mami Tamai
- Department of Immunology and Rheumatology Graduate School of Biomedical Sciences, Nagasaki University, Nagasaki, Japan
| | - Diane van der Woude
- Department of Rheumatology, Leiden University Medical Center, Leiden, The Netherlands
| | - René E M Toes
- Department of Rheumatology, Leiden University Medical Center, Leiden, The Netherlands
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19
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Chen Y, Lin J, Xiao L, Zhang X, Zhao L, Wang M, Li L. Gut microbiota in systemic lupus erythematosus: A fuse and a solution. J Autoimmun 2022; 132:102867. [PMID: 35932662 DOI: 10.1016/j.jaut.2022.102867] [Citation(s) in RCA: 21] [Impact Index Per Article: 10.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/03/2022] [Accepted: 07/05/2022] [Indexed: 12/13/2022]
Abstract
Gut commensals help shape and mold host immune system and deeply influence human health. The disease spectrum of mankind that gut microbiome may associate with is ever-growing, but the mechanisms are still enigmas. Characterized by loss of self-tolerance and sustained self-attack, systemic lupus erythematosus (SLE) is labeled with chronic inflammation, production of autoantibodies and multisystem injury, which so far are mostly incurable. Gut microbiota and their metabolites, now known as important environmental triggers of local/systemic immune responses, have been proposed to be involved in SLE development and progression probably through the following mechanisms: translocation beyond their niches; molecular mimicry to cross-activate immune response targeting self-antigens; epitope spreading to expand autoantibodies spectrum; and bystander activation to promote systemic inflammation. Gut microbiota which varies between individuals may also influence the metabolism and bio-transformation of disease-modifying anti-rheumatic drugs, thus associated with the efficacy and toxicity of these drugs, adding another explanation for heterogenic therapeutic responses. Modulation of gut microbiota via diet, probiotics/prebiotics, antibiotics/phages, fecal microbiota transplantation, or helminth to restore immune tolerance and homeostasis is expected to be a promising neoadjuvant therapy for SLE. We reviewed the advances in this territory and discussed the application prospect of modulating gut microbiota in controlling SLE.
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Affiliation(s)
- Yanfei Chen
- State Key Laboratory for Diagnosis and Treatment of Infectious Diseases, National Clinical Research Center for Infectious Diseases, Collaborative Innovation Center for Diagnosis and Treatment of Infectious Diseases, The First Affiliated Hospital, College of Medicine, Zhejiang University, China; Jinan Microecological Biomedicine Shandong Laboratory, Jinan, China
| | - Jin Lin
- Department of Rheumatology, The First Affiliated Hospital, College of Medicine, Zhejiang University, China
| | - Lanlan Xiao
- State Key Laboratory for Diagnosis and Treatment of Infectious Diseases, National Clinical Research Center for Infectious Diseases, Collaborative Innovation Center for Diagnosis and Treatment of Infectious Diseases, The First Affiliated Hospital, College of Medicine, Zhejiang University, China; Department of Rheumatology, The First Affiliated Hospital, College of Medicine, Zhejiang University, China
| | - Xuan Zhang
- Department of Rheumatology, Beijing Hospital, National Center of Gerontology, Institute of Geriatric Medicine, Clinical Immunology Center, Chinese Academy of Medical Sciences & Peking Union Medical College, NO.1 Da Hua Road, Dong Dan, Beijing, 100730, China
| | - Lidan Zhao
- Department of Rheumatology and Clinical Immunology, Peking Union Medical College Hospital, Chinese Academy of Medical Sciences and Peking Union Medical College, National Clinical Research Center for Dermatologic and Immunologic Diseases (NCRC-DID), Ministry of Science & Technology, Beijing, 100730, China
| | - Min Wang
- Department of Rheumatology, Beijing Hospital, National Center of Gerontology, Institute of Geriatric Medicine, Clinical Immunology Center, Chinese Academy of Medical Sciences & Peking Union Medical College, NO.1 Da Hua Road, Dong Dan, Beijing, 100730, China.
| | - Lanjuan Li
- State Key Laboratory for Diagnosis and Treatment of Infectious Diseases, National Clinical Research Center for Infectious Diseases, Collaborative Innovation Center for Diagnosis and Treatment of Infectious Diseases, The First Affiliated Hospital, College of Medicine, Zhejiang University, China; Jinan Microecological Biomedicine Shandong Laboratory, Jinan, China.
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20
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Integrated single cell and spatial transcriptomics reveal autoreactive differentiated B cells in joints of early rheumatoid arthritis. Sci Rep 2022; 12:11876. [PMID: 35831338 PMCID: PMC9279471 DOI: 10.1038/s41598-022-15293-5] [Citation(s) in RCA: 14] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/18/2022] [Accepted: 06/22/2022] [Indexed: 11/15/2022] Open
Abstract
B cells play a significant role in established Rheumatoid Arthritis (RA). However, it is unclear to what extent differentiated B cells are present in joint tissue already at the onset of disease. Here, we studied synovial biopsies (n = 8) captured from untreated patients at time of diagnosis. 3414 index-sorted B cells underwent RNA sequencing and paired tissue pieces were subjected to spatial transcriptomics (n = 4). We performed extensive bioinformatics analyses to dissect the local B cell composition. Select plasma cell immunoglobulin sequences were expressed as monoclonal antibodies and tested by ELISA. Memory and plasma cells were found irrespective of autoantibody status of the patients. Double negative memory B cells were prominent, but did not display a distinct transcriptional profile. The tissue architecture implicate both local B cell maturation via T cell help and plasma cell survival niches with a strong CXCL12–CXCR4 axis. The immunoglobulin sequence analyses revealed clonality between the memory B and plasma cell pools further supporting local maturation. One of the plasma cell-derived antibodies displayed citrulline autoreactivity, demonstrating local autoreactive plasma cell differentiation in joint biopsies captured from untreated early RA. Hence, plasma cell niches are not a consequence of chronic inflammation, but are already present at the time of diagnosis.
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21
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From risk to chronicity: evolution of autoreactive B cell and antibody responses in rheumatoid arthritis. Nat Rev Rheumatol 2022; 18:371-383. [PMID: 35606567 DOI: 10.1038/s41584-022-00786-4] [Citation(s) in RCA: 35] [Impact Index Per Article: 17.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 04/22/2022] [Indexed: 02/07/2023]
Abstract
The presence of disease-specific autoantibody responses and the efficacy of B cell-targeting therapies in rheumatoid arthritis (RA) indicate a pivotal role for B cells in disease pathogenesis. Important advances have shaped our understanding of the involvement of autoantibodies and autoreactive B cells in the disease process. In RA, autoantibodies target antigens with a variety of post-translational modifications such as carbamylation, acetylation and citrullination. B cell responses against citrullinated antigens generate anti-citrullinated protein antibodies (ACPAs), which are themselves modified in the variable domains by abundant N-linked glycans. Insights into the induction of autoreactive B cells against antigens with post-translational modifications and the development of autoantibody features such as isotype usage, epitope recognition, avidity and glycosylation reveal their relationship to particular RA risk factors and clinical phenotypes. Glycosylation of the ACPA variable domain, for example, seems to predict RA onset in ACPA+ healthy individuals, possibly because it affects B cell receptor signalling. Moreover, ACPA-expressing B cells show dynamic phenotypic changes and develop a continuously proliferative and activated phenotype that can persist in patients who are in drug-induced clinical remission. Together, these findings can be integrated into a conceptual framework of immunological autoreactivity in RA, delineating how it develops and persists and why disease activity recurs when therapy is tapered or stopped.
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22
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El Shikh MEM, El Sayed R, Aly NAR, Prediletto E, Hands R, Fossati-Jimack L, Bombardieri M, Lewis MJ, Pitzalis C. Follicular dendritic cell differentiation is associated with distinct synovial pathotype signatures in rheumatoid arthritis. Front Med (Lausanne) 2022; 9:1013660. [PMID: 36465908 PMCID: PMC9709129 DOI: 10.3389/fmed.2022.1013660] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/07/2022] [Accepted: 10/24/2022] [Indexed: 11/17/2022] Open
Abstract
Follicular dendritic cells (FDCs) fundamentally contribute to the formation of synovial ectopic lymphoid-like structures in rheumatoid arthritis (RA) which is associated with poor clinical prognosis. Despite this critical role, regulation of FDC development in the RA synovium and its correlation with synovial pathotype differentiation remained largely unknown. Here, we demonstrate that CNA.42+ FDCs distinctively express the pericyte/fibroblast-associated markers PDGFR-β, NG2, and Thy-1 in the synovial perivascular space but not in established follicles. In addition, synovial RNA-Seq analysis revealed that expression of the perivascular FDC markers was strongly correlated with PDGF-BB and fibroid synovitis, whereas TNF-α/LT-β was significantly associated with lymphoid synovitis and expression of CR1, CR2, and FcγRIIB characteristic of mature FDCs in lymphoid follicles. Moreover, PDGF-BB induced CNA.42+ FDC differentiation and CXCL13 secretion from NG2+ synovial pericytes, and together with TNF-α/LT-β conversely regulated early and late FDC differentiation genes in unsorted RA synovial fibroblasts (RASF) and this was confirmed in flow sorted stromal cell subsets. Furthermore, RASF TNF-αR expression was upregulated by TNF-α/LT-β and PDGF-BB; and TNF-α/LT-β-activated RASF retained ICs and induced B cell activation in in vitro germinal center reactions typical of FDCs. Additionally, FDCs trapped peptidyl citrulline, and strongly correlated with IL-6 expression, and plasma cell, B cell, and T cell infiltration of the RA synovium. Moreover, synovial FDCs were significantly associated with RA disease activity and radiographic features of tissue damage. To the best of our knowledge, this is the first report describing the reciprocal interaction between PDGF-BB and TNF-α/LT-β in synovial FDC development and evolution of RA histological pathotypes. Selective targeting of this interplay could inhibit FDC differentiation and potentially ameliorate RA in clinically severe and drug-resistant patients.
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23
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Wang Y, Mai G, Zou M, Long H, Chen YQ, Sun L, Tian D, Zhao Y, Jiang G, Cao Z, Du X. Heavy chain sequence-based classifier for the specificity of human antibodies. Brief Bioinform 2021; 23:6483065. [PMID: 34953464 DOI: 10.1093/bib/bbab516] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/04/2021] [Revised: 10/07/2021] [Accepted: 11/12/2021] [Indexed: 11/13/2022] Open
Abstract
Antibodies specifically bind to antigens and are an essential part of the immune system. Hence, antibodies are powerful tools in research and diagnostics. High-throughput sequencing technologies have promoted comprehensive profiling of the immune repertoire, which has resulted in large amounts of antibody sequences that remain to be further analyzed. In this study, antibodies were downloaded from IMGT/LIGM-DB and Sequence Read Archive databases. Contributing features from antibody heavy chains were formulated as numerical inputs and fed into an ensemble machine learning classifier to classify the antigen specificity of six classes of antibodies, namely anti-HIV-1, anti-influenza virus, anti-pneumococcal polysaccharide, anti-citrullinated protein, anti-tetanus toxoid and anti-hepatitis B virus. The classifier was validated using cross-validation and a testing dataset. The ensemble classifier achieved a macro-average area under the receiver operating characteristic curve (AUC) of 0.9246 from the 10-fold cross-validation, and 0.9264 for the testing dataset. Among the contributing features, the contribution of the complementarity-determining regions was 53.1% and that of framework regions was 46.9%, and the amino acid mutation rates occupied the first and second ranks among the top five contributing features. The classifier and insights provided in this study could promote the mechanistic study, isolation and utilization of potential therapeutic antibodies.
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Affiliation(s)
- Yaqi Wang
- School of Public Health (Shenzhen), Shenzhen Campus of Sun Yat-sen University, Shenzhen 518107, P.R. China.,School of Public Health (Shenzhen), Sun Yat-sen University, Guangzhou 510275, P.R. China
| | - Guoqin Mai
- School of Public Health (Shenzhen), Shenzhen Campus of Sun Yat-sen University, Shenzhen 518107, P.R. China.,School of Public Health (Shenzhen), Sun Yat-sen University, Guangzhou 510275, P.R. China
| | - Min Zou
- School of Public Health (Shenzhen), Shenzhen Campus of Sun Yat-sen University, Shenzhen 518107, P.R. China.,School of Public Health (Shenzhen), Sun Yat-sen University, Guangzhou 510275, P.R. China
| | - Haoyu Long
- School of Public Health (Shenzhen), Shenzhen Campus of Sun Yat-sen University, Shenzhen 518107, P.R. China.,School of Public Health (Shenzhen), Sun Yat-sen University, Guangzhou 510275, P.R. China
| | - Yao-Qing Chen
- School of Public Health (Shenzhen), Shenzhen Campus of Sun Yat-sen University, Shenzhen 518107, P.R. China.,School of Public Health (Shenzhen), Sun Yat-sen University, Guangzhou 510275, P.R. China
| | - Litao Sun
- School of Public Health (Shenzhen), Shenzhen Campus of Sun Yat-sen University, Shenzhen 518107, P.R. China.,School of Public Health (Shenzhen), Sun Yat-sen University, Guangzhou 510275, P.R. China
| | - Dechao Tian
- School of Public Health (Shenzhen), Shenzhen Campus of Sun Yat-sen University, Shenzhen 518107, P.R. China.,School of Public Health (Shenzhen), Sun Yat-sen University, Guangzhou 510275, P.R. China
| | - Yang Zhao
- School of Public Health (Shenzhen), Shenzhen Campus of Sun Yat-sen University, Shenzhen 518107, P.R. China.,School of Public Health (Shenzhen), Sun Yat-sen University, Guangzhou 510275, P.R. China
| | - Guozhi Jiang
- School of Public Health (Shenzhen), Shenzhen Campus of Sun Yat-sen University, Shenzhen 518107, P.R. China.,School of Public Health (Shenzhen), Sun Yat-sen University, Guangzhou 510275, P.R. China
| | - Zicheng Cao
- School of Public Health (Shenzhen), Shenzhen Campus of Sun Yat-sen University, Shenzhen 518107, P.R. China.,School of Public Health (Shenzhen), Sun Yat-sen University, Guangzhou 510275, P.R. China
| | - Xiangjun Du
- School of Public Health (Shenzhen), Shenzhen Campus of Sun Yat-sen University, Shenzhen 518107, P.R. China.,School of Public Health (Shenzhen), Sun Yat-sen University, Guangzhou 510275, P.R. China.,Key Laboratory of Tropical Disease Control, Ministry of Education, Sun Yat-sen University, Guangzhou, 510030, P.R. China
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24
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He J, Ju J, Wang X. The current status of anti-citrullinated protein antibodies and citrullinated protein-reactive B cells in the pathogenesis of rheumatoid arthritis. Mol Biol Rep 2021; 49:2475-2485. [PMID: 34855107 DOI: 10.1007/s11033-021-07034-0] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/15/2021] [Accepted: 11/26/2021] [Indexed: 11/26/2022]
Abstract
Anti-citrullinated protein antibodies are a hallmark of rheumatoid arthritis. It is widely acknowledged that the presence of ACPAs is the result of the interaction of genes, the environment and epigenetic modifications. The mechanism by which the factors, especially citrullination and ACPA glycosylation, affect ACPAs is still unclear. In this article, we review the presence of the ACPAs in RA and their relationship with clinical manifestations. The pathogenicity of ACPAs and B cells in RA was also summarized. A growing body of evidence has shown that ACPA-positive patients have more serious bone erosion and destruction and poor clinical prognosis than ACPA-negative patients. Recently, with the direct study of citrullinated protein-reactive B cells, their role in the development of rheumatoid arthritis has been further understood. It indicates that further understanding of the mechanism of ACPAs and CP-reactive B cells would beneficial in the prevention and treatment of RA.
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Affiliation(s)
- Jia He
- School of Clinical Medicine, Weifang Medical University, Weifang, China
| | - JiYu Ju
- Department of Immunology, Weifang Medical University, Weifang, China
| | - XiaoDong Wang
- Department of Rheumatology and Immunology, Affiliated Hospital of Weifang Medical University, Weifang, China.
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25
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Tu AB, Lewis JS. Biomaterial-based immunotherapeutic strategies for rheumatoid arthritis. Drug Deliv Transl Res 2021; 11:2371-2393. [PMID: 34414564 PMCID: PMC8376117 DOI: 10.1007/s13346-021-01038-w] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 07/19/2021] [Indexed: 02/08/2023]
Abstract
Rheumatoid arthritis (RA) is an extremely painful autoimmune disease characterized by chronic joint inflammation leading to the erosion of adjacent cartilage and bone. Rheumatoid arthritis pathology is primarily driven by inappropriate infiltration and activation of immune cells within the synovium of the joint. There is no cure for RA. As such, manifestation of symptoms entails lifelong management via various therapies that aim to generally dampen the immune system or impede the function of immune mediators. However, these treatment strategies lead to adverse effects such as toxicity, general immunosuppression, and increased risk of infection. In pursuit of safer and more efficacious therapies, many emerging biomaterial-based strategies are being developed to improve payload delivery, specific targeting, and dose efficacy, and to mitigate adverse reactions and toxicity. In this review, we highlight biomaterial-based approaches that are currently under investigation to circumvent the limitations of conventional RA treatments.
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Affiliation(s)
- Allen B Tu
- Department of Biomedical Engineering, University of California, 1 Shields Ave, Davis , CA, 95616, USA
| | - Jamal S Lewis
- Department of Biomedical Engineering, University of California, 1 Shields Ave, Davis , CA, 95616, USA.
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26
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Bellando-Randone S, Del Galdo F, Lepri G, Minier T, Huscher D, Furst DE, Allanore Y, Distler O, Czirják L, Bruni C, Guiducci S, Avouac J, Cutolo M, Smith V, Matucci-Cerinic M. Progression of patients with Raynaud's phenomenon to systemic sclerosis: a five-year analysis of the European Scleroderma Trial and Research group multicentre, longitudinal registry study for Very Early Diagnosis of Systemic Sclerosis (VEDOSS). THE LANCET. RHEUMATOLOGY 2021; 3:e834-e843. [PMID: 38287630 DOI: 10.1016/s2665-9913(21)00244-7] [Citation(s) in RCA: 40] [Impact Index Per Article: 13.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/16/2021] [Revised: 06/30/2021] [Accepted: 07/23/2021] [Indexed: 01/01/2023]
Abstract
BACKGROUND Preliminary criteria for the very early diagnosis of systemic sclerosis (VEDOSS) have been previously proposed to identify signs and symptoms in patients with Raynaud's phenomenon. Patients with all signs or symptoms of the VEDOSS criteria already fulfil the 2013 American College of Rheumatology-European League Against Rheumatism (ACR-EULAR) classification criteria for systemic sclerosis. However, prospective data for the evolution to fulfilling these criteria do not exist. We therefore aimed to determine the clinical value of the VEDOSS criteria to identify patients with Raynaud's phenomenon who progress to systemic sclerosis within 5 years. METHODS The VEDOSS project was a multicentre, longitudinal registry study done in 42 European Scleroderma Trial and Research group centres located in 20 countries in Europe, North America, and South America. Patients with Raynaud's phenomenon were eligible for enrolment. Those who had fulfilled the 1980 ACR or the 2013 ACR-EULAR classification criteria for systemic sclerosis, as well as of any other ACR or EULAR classification criteria for other definite connective tissue diseases at enrolment were excluded. Data were recorded each year during follow-up visits and included the four VEDOSS criteria (ie, positivity for antinuclear antibodies [ANAs], puffy fingers, systemic sclerosis-specific autoantibodies, and abnormal nailfold capillaroscopy). The primary endpoint was the fulfilment of the 2013 ACR-EULAR classification criteria for systemic sclerosis (ie, progression from enrolment to follow-up). Proportion of progressors and VEDOSS criteria interaction were reported descriptively. Predictors of progression of the distinct VEDOSS criteria interactions were determined based on the point prevalence at 5 years. To investigate the intermediate course of progression of the distinct VEDOSS criteria and their combinations, Kaplan-Meier analysis was done. RESULTS Between March 1, 2010, and Oct 4, 2018, we enrolled 1150 patients with Raynaud's phenomenon in the VEDOSS database. 764 (66·4%) of 1150 patients met the VEDOSS criteria for study inclusion. Of the 764 patients, 553 (72·4%) had at least one available follow-up visit and the median duration of follow-up was 3·6 years (IQR 1·7-5·8). The mean age was 45·9 years (SD 15·0), 507 (91·7%) of 553 participants were female, and the median time since the onset of Raynaud's phenomenon was 4·0 years (IQR 1·7-10·0). At baseline, 401 (73·7%) of 544 patients with Raynaud's phenomenon had detectable ANA, with 208 (39·5%) of 527 patients positive for systemic sclerosis-specific autoantibodies. Nailfold capillaroscopy abnormalities were present in 182 (36·0%) of 505 patients and puffy fingers were detected in 96 (17·8%) of 540 at baseline. 1885 follow-up visits were recorded. 254 (45·9%) of 553 patients completed the study with progression or a 5-year follow-up; of whom, 133 reached the primary endpoint, resulting in an overall progression rate of 52·4%. The absence of ANA at baseline was the factor most strongly associated with a lack of progression within 5 years, with only four (10·8%) of 37 ANA-negative patients progressing. Conversely, positivity at baseline for systemic sclerosis-specific autoantibodies and puffy fingers was the combination having the highest risk of progression (16 [94·1%] of 17). INTERPRETATION Our results from the VEDOSS project offers a useful tool for a stratified risk approach to patients with Raynaud's phenomenon. The absence of ANA is a strong protective factor that identifies patients with very low risk of developing systemic sclerosis whereas the presence of one or two VEDOSS criteria in patients with Raynaud's phenomenon confers a progressively higher risk for systemic sclerosis over time. This stratification tool can be used both for clinical management and to inform early interventional trials. FUNDING European Scleroderma Trial And Research and World Scleroderma Foundation.
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Affiliation(s)
- Silvia Bellando-Randone
- Department of Experimental and Clinical Medicine, University of Florence, Florence, Italy; Department of Geriatric Medicine, Division of Rheumatology and Scleroderma Unit, Azienda Ospedaliero Universitaria Careggi, Florence, Italy.
| | - Francesco Del Galdo
- Raynaud's and Scleroderma Programme, National Institute for Health Research Biomedical Research Centre, Leeds, UK; Leeds Institute of Rheumatic and Musculoskeletal Medicine, University of Leeds and NIHR Biomedical Research Centre, Chapel Allerton Hospital, Leeds, UK.
| | - Gemma Lepri
- Department of Experimental and Clinical Medicine, University of Florence, Florence, Italy; Department of Geriatric Medicine, Division of Rheumatology and Scleroderma Unit, Azienda Ospedaliero Universitaria Careggi, Florence, Italy
| | - Tunde Minier
- Department of Rheumatology and Immunology, Medical School, University of Pecs, Hungary
| | - Dörte Huscher
- Institute of Biometry and Clinical Epidemiology and Berlin Institute of Health, Charité-Universitaetsmedizin Berlin, Berlin, Germany
| | - Daniel E Furst
- Division of Rheumatology, Department of Internal Medicine, David Geffen School of Medicine, University of California, Los Angeles, CA, USA; Division of Rheumatology, University of Washington, Seattle, WA, USA
| | | | - Oliver Distler
- Department of Rheumatology, University Hospital Zurich, University of Zurich, Zurich, Switzerland
| | - László Czirják
- Department of Rheumatology and Immunology, Medical School, University of Pecs, Hungary
| | - Cosimo Bruni
- Department of Experimental and Clinical Medicine, University of Florence, Florence, Italy; Department of Geriatric Medicine, Division of Rheumatology and Scleroderma Unit, Azienda Ospedaliero Universitaria Careggi, Florence, Italy; Department of Rheumatology, University Hospital Zurich, University of Zurich, Zurich, Switzerland
| | - Serena Guiducci
- Department of Experimental and Clinical Medicine, University of Florence, Florence, Italy; Department of Geriatric Medicine, Division of Rheumatology and Scleroderma Unit, Azienda Ospedaliero Universitaria Careggi, Florence, Italy
| | - Jerome Avouac
- Division of Rheumatology, Hospital Cochin, Paris, France
| | - Maurizio Cutolo
- Laboratory of Experimental Rheumatology and Division of Rheumatology, University of Genoa, Genoa, Italy; Clinical Rheumatology Unit, IRCCS AOU San Martino, Genova, Italy
| | - Vanessa Smith
- Department of Internal Medicine and Department of Rheumatology, Ghent University, Ghent, Belgium; Unit for Molecular Immunology and Inflammation, VIB-UGent Center for Inflammation Research, Ghent, Belgium
| | - Marco Matucci-Cerinic
- Department of Experimental and Clinical Medicine, University of Florence, Florence, Italy; Department of Geriatric Medicine, Division of Rheumatology and Scleroderma Unit, Azienda Ospedaliero Universitaria Careggi, Florence, Italy; Unit of Immunology, Rheumatology, Allergy and Rare diseases (UnIRAR), IRCCS San Raffaele Hospital, Milan, Italy
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27
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Wu F, Gao J, Kang J, Wang X, Niu Q, Liu J, Zhang L. B Cells in Rheumatoid Arthritis:Pathogenic Mechanisms and Treatment Prospects. Front Immunol 2021; 12:750753. [PMID: 34650569 PMCID: PMC8505880 DOI: 10.3389/fimmu.2021.750753] [Citation(s) in RCA: 57] [Impact Index Per Article: 19.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/31/2021] [Accepted: 09/10/2021] [Indexed: 12/19/2022] Open
Abstract
Rheumatoid arthritis (RA) is a common, chronic, systemic autoimmune disease, and its clinical features are the proliferation of joint synovial tissue, the formation of pannus and the destruction of cartilage. The global incidence of RA is about 1%, and it is more common in women. The basic feature of RA is the body’s immune system disorders, in which autoreactive CD4+T cells, pathogenic B cells, M1 macrophages, inflammatory cytokines, chemokines and autoantibodies abnormally increase in the body of RA patients B cell depletion therapy has well proved the important role of B cells in the pathogenesis of RA, and the treatment of RA with B cells as a target has also been paid more and more attention. Although the inflammatory indicators in RA patients receiving B-cell depletion therapy have been significantly improved, the risk of infection and cancer has also increased, which suggests that we need to deplete pathogenic B cells instead of all B cells. However, at present we cannot distinguish between pathogenic B cells and protective B cells in RA patients. In this review, we explore fresh perspectives upon the roles of B cells in the occurrence, development and treatment of RA.
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Affiliation(s)
- Fengping Wu
- School of Basic Medical Sciences, Shanxi Medical University, Taiyuan, China
| | - Jinfang Gao
- Department of Rheumatology, Shanxi Bethune Hospital, Shanxi Academy of Medical Sciences, Tongji Shanxi Hospital, Third Hospital of Shanxi Medical University, Taiyuan, China
| | - Jie Kang
- Third Hospital of Shanxi Medical University, Shanxi Bethune Hospital, Shanxi Academy of Medical Sciences, Tongji Shanxi Hospital, Taiyuan, China
| | - Xuexue Wang
- Third Hospital of Shanxi Medical University, Shanxi Bethune Hospital, Shanxi Academy of Medical Sciences, Tongji Shanxi Hospital, Taiyuan, China
| | - Qing Niu
- School of Basic Medical Sciences, Shanxi Medical University, Taiyuan, China
| | - Jiaxi Liu
- Third Hospital of Shanxi Medical University, Shanxi Bethune Hospital, Shanxi Academy of Medical Sciences, Tongji Shanxi Hospital, Taiyuan, China
| | - Liyun Zhang
- Department of Rheumatology, Shanxi Bethune Hospital, Shanxi Academy of Medical Sciences, Tongji Shanxi Hospital, Third Hospital of Shanxi Medical University, Taiyuan, China
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28
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Román-Meléndez GD, Monaco DR, Montagne JM, Quizon RS, Konig MF, Astatke M, Darrah E, Larman HB. Citrullination of a phage-displayed human peptidome library reveals the fine specificities of rheumatoid arthritis-associated autoantibodies. EBioMedicine 2021; 71:103506. [PMID: 34481243 PMCID: PMC8414044 DOI: 10.1016/j.ebiom.2021.103506] [Citation(s) in RCA: 11] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/29/2021] [Revised: 07/09/2021] [Accepted: 07/13/2021] [Indexed: 11/17/2022] Open
Abstract
Background Post-translational modifications (PTMs) on proteins can be targeted by antibodies associated with autoimmunity. Despite a growing appreciation for their intrinsic role in disease, there is a lack of highly multiplexed serological assays to characterize the fine specificities of PTM-directed autoantibodies. Methods In this study, we used the programmable phage display technology, Phage ImmunoPrecipitation Sequencing (PhIP-Seq), to profile rheumatoid arthritis (RA) associated anti-citrullinated protein antibody (ACPA) reactivities. Findings Using both unmodified and peptidylarginine deiminase (PAD)-modified phage display libraries consisting of ~250,000 overlapping 90 amino acid peptide tiles spanning the human proteome, PTM PhIP-Seq robustly identified antibodies to citrulline-dependent epitopes. Interpretation PTM PhIP-Seq was used to quantify key differences among RA patients, including PAD isoform specific ACPA profiles, and thus represents a powerful tool for proteome-scale antibody-binding analyses. Funding This research is based upon work supported in part by the Office of the Director of National Intelligence (ODNI), Intelligence Advanced Research Projects Activity (IARPA). The views and conclusions contained herein are those of the authors and should not be interpreted as necessarily representing the official policies, either expressed or implied, of ODNI, IARPA, or the US Government. The US Government is authorized to reproduce and distribute reprints for governmental purposes notwithstanding any copyright annotation therein. This study was made possible by a National Institute of General Medical Sciences (NIGMS) grant R01 GM136724 (HBL). MFK was supported by the National Institute of Arthritis and Musculoskeletal and Skin Diseases (NIAMS) grant T32AR048522. ED was supported by the Rheumatology Research Foundation.
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Affiliation(s)
- Gabriel D Román-Meléndez
- Immunology Division, Department of Pathology, Institute for Cell Engineering, Johns Hopkins University, Baltimore, MD, USA
| | - Daniel R Monaco
- Immunology Division, Department of Pathology, Institute for Cell Engineering, Johns Hopkins University, Baltimore, MD, USA
| | - Janelle M Montagne
- Immunology Division, Department of Pathology, Institute for Cell Engineering, Johns Hopkins University, Baltimore, MD, USA
| | - Rachel S Quizon
- Johns Hopkins University Applied Physics Laboratory, Laurel, MD, USA
| | - Maximilian F Konig
- Division of Rheumatology, Department of Medicine, Johns Hopkins University School of Medicine, Baltimore, MD, USA
| | - Mekbib Astatke
- Johns Hopkins University Applied Physics Laboratory, Laurel, MD, USA
| | - Erika Darrah
- Division of Rheumatology, Department of Medicine, Johns Hopkins University School of Medicine, Baltimore, MD, USA.
| | - H Benjamin Larman
- Immunology Division, Department of Pathology, Institute for Cell Engineering, Johns Hopkins University, Baltimore, MD, USA.
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29
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Reijm S, Kissel T, Stoeken-Rijsbergen G, Slot LM, Wortel CM, van Dooren HJ, Levarht NEW, Kampstra ASB, Derksen VFAM, Heer POD, Bang H, Drijfhout JW, Trouw LA, Huizinga TWJ, Rispens T, Scherer HU, Toes REM. Cross-reactivity of IgM anti-modified protein antibodies in rheumatoid arthritis despite limited mutational load. Arthritis Res Ther 2021; 23:230. [PMID: 34479638 PMCID: PMC8413699 DOI: 10.1186/s13075-021-02609-5] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/04/2021] [Accepted: 08/16/2021] [Indexed: 12/16/2022] Open
Abstract
Background Anti-modified protein antibodies (AMPA) targeting citrullinated, acetylated and/or carbamylated self-antigens are hallmarks of rheumatoid arthritis (RA). Although AMPA-IgG cross-reactivity to multiple post-translational modifications (PTMs) is evident, it is unknown whether the first responding B cells, expressing IgM, display similar characteristics or if cross-reactivity is crucially dependent on somatic hypermutation (SHM). We now studied the reactivity of (germline) AMPA-IgM to further understand the breach of B cell tolerance and to identify if cross-reactivity depends on extensive SHM. Moreover, we investigated whether AMPA-IgM can efficiently recruit immune effector mechanisms. Methods Polyclonal AMPA-IgM were isolated from RA patients and assessed for cross-reactivity towards PTM antigens. AMPA-IgM B cell receptor sequences were obtained by single cell isolation using antigen-specific tetramers. Subsequently, pentameric monoclonal AMPA-IgM, their germline counterparts and monomeric IgG variants were generated. The antibodies were analysed on a panel of PTM antigens and tested for complement activation. Results Pentameric monoclonal and polyclonal AMPA-IgM displayed cross-reactivity to multiple antigens and different PTMs. PTM antigen recognition was still present, although reduced, after reverting the IgM into germline. Valency of AMPA-IgM was crucial for antigen recognition as PTM-reactivity significantly decreased when AMPA-IgM were expressed as IgG. Furthermore, AMPA-IgM was 15- to 30-fold more potent in complement-activation compared to AMPA-IgG. Conclusions We provide first evidence that AMPA-IgM are cross-reactive towards different PTMs, indicating that PTM (cross-)reactivity is not confined to IgG and does not necessarily depend on extensive somatic hypermutation. Moreover, our data indicate that a diverse set of PTM antigens could be involved in the initial tolerance breach in RA and suggest that AMPA-IgM can induce complement-activation and thereby inflammation. Supplementary Information The online version contains supplementary material available at 10.1186/s13075-021-02609-5.
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Affiliation(s)
- Sanne Reijm
- Department of Rheumatology, Leiden University Medical Center, Leiden, The Netherlands.
| | - Theresa Kissel
- Department of Rheumatology, Leiden University Medical Center, Leiden, The Netherlands
| | | | - Linda M Slot
- Department of Rheumatology, Leiden University Medical Center, Leiden, The Netherlands
| | - Corrie M Wortel
- Department of Rheumatology, Leiden University Medical Center, Leiden, The Netherlands
| | - Hugo J van Dooren
- Department of Rheumatology, Leiden University Medical Center, Leiden, The Netherlands
| | - Nivine E W Levarht
- Department of Rheumatology, Leiden University Medical Center, Leiden, The Netherlands
| | - Arieke S B Kampstra
- Department of Rheumatology, Leiden University Medical Center, Leiden, The Netherlands
| | - Veerle F A M Derksen
- Department of Rheumatology, Leiden University Medical Center, Leiden, The Netherlands
| | - Pleuni Ooijevaar-de Heer
- Sanquin Research and Landsteiner Laboratory, Academic Medical Center, Amsterdam, The Netherlands
| | | | - Jan W Drijfhout
- Department of Immunology, Leiden University Medical Center, Leiden, The Netherlands
| | - Leendert A Trouw
- Department of Immunology, Leiden University Medical Center, Leiden, The Netherlands
| | - Tom W J Huizinga
- Department of Rheumatology, Leiden University Medical Center, Leiden, The Netherlands
| | - Theo Rispens
- Sanquin Research and Landsteiner Laboratory, Academic Medical Center, Amsterdam, The Netherlands
| | - Hans U Scherer
- Department of Rheumatology, Leiden University Medical Center, Leiden, The Netherlands
| | - René E M Toes
- Department of Rheumatology, Leiden University Medical Center, Leiden, The Netherlands
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30
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Abstract
Based on the PubMed data, we have been performing a yearly evaluation of the publications related to autoimmune diseases and immunology to ascertain the relative weight of the former in the scientific literature. It is particularly intriguing to observe that despite the numerous new avenues of immune-related mechanisms, such as cancer immunotherapy, the proportion of immunology manuscripts related to autoimmunity continues to increase and has been approaching 20% in 2019. As in the previous 13 years, we performed an arbitrary selection of the peer-reviewed articles published by the major dedicated Journals and discussed the common themes which continue to outnumber peculiarites in autoimmune diseases. The investigated areas included systemic lupus erythematosus (SLE), rheumatoid arthritis (RA), psoriatic arthritis (PsA), autoantibodies (autoAbs), and common therapeutic avenues and novel pathogenic mechanisms for autoimmune conditions. Some examples include new pathogenetic evidence which is well represented by IL21 or P2X7 receptor (P2X7R) in SLE or the application of single-cell RNA sequencing (scRNA-seq), mass cytometry, bulk RNA sequencing (RNA-seq), and flow cytometry for the analysis of different cellular populations in RA. Cumulatively and of interest to the clinicians, a large number of findings continue to underline the importance of a strict relationship between basic and clinical science to define new pathogenetic and therapeutic developments. The therapeutic pipeline in autoimmunity continues to grow and maintain a constant flow of new molecules, as well illustrated in RA and PsA, and this is most certainly derived from the new basic evidence and the high-throughput tools applied to autoimmune diseases.
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31
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Nogueira L, Parra E, Larrieu M, Verrouil E, Cornillet M. Are antibodies to fine specificities of citrullinated peptides/proteins useful for stratification of rheumatoid arthritis patients? Clin Transl Immunology 2021; 10:e1288. [PMID: 34257966 PMCID: PMC8256671 DOI: 10.1002/cti2.1288] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/29/2020] [Revised: 12/14/2020] [Accepted: 04/27/2021] [Indexed: 11/30/2022] Open
Abstract
Background In rheumatoid arthritis (RA), antibodies to citrullinated protein (ACPA) are believed to be heterogeneous and patient stratification by antibody profiling raised clinical interest for patient management. However, heterogeneity might be partially artificial because of the use of heterogeneous methods for ACPA detection. In recent work instead, we found that ACPA were mainly directed towards a single fibrin‐derived peptide, β60‐74BiotNt, but a comparative analysis with the presence of other ACPA specificities is still lacking. Objectives To present an overview of RA patients' stratification based on the detection of the main ACPA fine specificities with the same method as compared to that of anti‐β60‐74BiotNt antibodies. Methods Over 4500 measurements were performed with more than 22 standardised ELISAs, sera from 180 RA patients and 200 to 436 non‐RA rheumatic disease controls. Results Four to 81% of RA patients had ACPA towards various targets, confirming the heterogeneity of ACPA specificities. However, the subgroups of patients overlapped up to 97% with ACPA levels of correlation coefficients up to 0.8, showing redundancy of some targets. Multiplexing decreased diagnostic specificity from 95% to 64%. Instead, anti‐β60‐74BiotNt detection identified almost all ACPA‐positive patients. Conclusions Antibodies to citrullinated protein multiplexing shows some degree of redundancy and is not suitable for diagnostic purposes. ACPA fine specificities might be less heterogeneous than perceived by sera testing on multiple peptides. Patient stratification largely depends on detection methods and requires standardisation.
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Affiliation(s)
- Leonor Nogueira
- Laboratory of Cell Biology and Cytology University Hospital of Toulouse Toulouse France
| | - Emilie Parra
- Laboratory of Cell Biology and Cytology University Hospital of Toulouse Toulouse France
| | - Margaux Larrieu
- Laboratory of Cell Biology and Cytology University Hospital of Toulouse Toulouse France
| | - Evelyne Verrouil
- Laboratory of Cell Biology and Cytology University Hospital of Toulouse Toulouse France
| | - Martin Cornillet
- Laboratory of Cell Biology and Cytology University Hospital of Toulouse Toulouse France
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32
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Hensvold A, Klareskog L. Towards prevention of autoimmune diseases: The example of rheumatoid arthritis. Eur J Immunol 2021; 51:1921-1933. [PMID: 34110013 DOI: 10.1002/eji.202048952] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/04/2020] [Revised: 04/18/2021] [Indexed: 12/16/2022]
Abstract
Prevention is the ultimate aim for clinicians and scientists concerned with severe diseases, like many immune-mediated conditions. Here, we describe recent progress in the understanding of etiology and molecular pathogenesis of rheumatoid arthritis (RA), which make this disease a potential prototype for prevention that may include both public health measures and targeted and personalized approaches that we call "personalized prevention." Critical components of this knowledge are (i) better understanding of the dynamics of the RA-associated autoimmunity that may begin many years before onset of joint inflammation; (ii) insights into how this immunity may be triggered at mucosal surfaces after distinct environmental challenges; (iii) better understanding of which features of the pre-existing immunity may cause symptoms that precede joint inflammation and predict a high risk for imminent arthritis development; and (iv) how molecular events occurring before onset of inflammation might be targeted by existing or future therapies, ultimately by specific targeting of Major histocompatibility complex (MHC) class II restricted and RA-specific immunity. Our main conclusion is that studies and interventions in the phase of autoimmunity preceding RA offer new opportunities to prevent the disease and thereby also understand the molecular pathogenesis of its different variants.
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Affiliation(s)
- Aase Hensvold
- Division of Rheumatology, Department of Medicine, Karolinska Institutet and Karolinska University Hospital (Solna), Stockholm, Sweden.,Center for Rheumatology, Academic Specialist Center, Stockholm, Sweden
| | - Lars Klareskog
- Division of Rheumatology, Department of Medicine, Karolinska Institutet and Karolinska University Hospital (Solna), Stockholm, Sweden.,Center for Rheumatology, Academic Specialist Center, Stockholm, Sweden.,Rheumatology Section, Theme inflammation and Infection, Karolinska University Hospital, Stockholm, Sweden
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33
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Won P, Kim Y, Jung H, Rim YA, Sohn DH, Robinson WH, Moon SJ, Ju JH. Pathogenic Role of Circulating Citrullinated Antigens and Anti-Cyclic Monoclonal Citrullinated Peptide Antibodies in Rheumatoid Arthritis. Front Immunol 2021; 12:692242. [PMID: 34305925 PMCID: PMC8294326 DOI: 10.3389/fimmu.2021.692242] [Citation(s) in RCA: 9] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/07/2021] [Accepted: 06/02/2021] [Indexed: 12/31/2022] Open
Abstract
We examined whether it is possible to directly detect citrullinated antigens in the serum of rheumatoid arthritis (RA) patients using a monoclonal antibody (mAb) designed to be specific for citrullinated peptides. In order to confirm the potential of the mAb as a direct arthritis-inducing substance through experimental model of RA, a monoclonal antibody (mAb) 12G1 was generated using by immunization of mice with a challenging cyclic citrullinated peptide. Immunohistochemical analysis of RA-affected synovial tissue showed that our mAb 12G1 could indeed detect citrullinated proteins in target tissues. Subsequently, serum levels of citrullinated type II collagen and filaggrin were measured in healthy volunteers, patients with RA, ankylosing spondylitis (AS), and systemic lupus erythematosus (SLE) using a 12G1-based sandwich ELISA. This showed that citrullinated filaggrin showed 78.9% sensitivity and 85.9% specificity for RA diagnosis with a cutoff optical density (OD) value of 1.013, comparable with the results from a second-generation anti-citrullinated protein antibody (ACPA) test. Circulating citrullinated collagen and filaggrin were detected even in sera of RA patients who were negative for both rheumatoid factor (RF) and ACPA. ELISA results also showed that RF and ACPA titers showed significantly positive correlation with both citrullinated collagen and filaggrin OD values in sera of RA patients. 12G1 challenging aggravated the severity of murine arthritis. In summary, mAb 12G1 can directly detect citrullinated proteins in RA target tissue and in sera of RA patients and 12G1 showed direct arthritogenic potential in vivo. This, 12G1 might be useful for diagnosis of RA including seronegative RA and may help to elucidate the pathophysiological role of citrullination in RA.
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MESH Headings
- Aged
- Animals
- Anti-Citrullinated Protein Antibodies/blood
- Anti-Citrullinated Protein Antibodies/immunology
- Antibodies, Monoclonal/immunology
- Antibody Specificity
- Arthritis, Experimental/blood
- Arthritis, Experimental/diagnosis
- Arthritis, Experimental/immunology
- Arthritis, Rheumatoid/blood
- Arthritis, Rheumatoid/diagnosis
- Arthritis, Rheumatoid/immunology
- Biomarkers/blood
- Case-Control Studies
- Citrullination
- Enzyme-Linked Immunosorbent Assay
- Female
- Humans
- Male
- Mice, Inbred BALB C
- Mice, Inbred DBA
- Middle Aged
- Peptides, Cyclic/blood
- Peptides, Cyclic/immunology
- Predictive Value of Tests
- Serologic Tests
- Mice
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Affiliation(s)
- Pureun Won
- Clinical Immunology and Stem Cell Laboratory (CiSTEM) Laboratory, Catholic Induced Pluripotent Stem Cell (iPSC) Research Center, College of Medicine, The Catholic University of Korea, Seoul, South Korea
- Department of Biomedicine & Health Science, Seoul St. Mary’s Hospital, College of Medicine, The Catholic University of Korea, Seoul, South Korea
| | - Youngkyun Kim
- Clinical Immunology and Stem Cell Laboratory (CiSTEM) Laboratory, Catholic Induced Pluripotent Stem Cell (iPSC) Research Center, College of Medicine, The Catholic University of Korea, Seoul, South Korea
- Department of Biomedicine & Health Science, Seoul St. Mary’s Hospital, College of Medicine, The Catholic University of Korea, Seoul, South Korea
- Oncology and Immunology Research Center, Lucky-Goldstar (LG) Chem., LG Science Park, Seoul, South Korea
| | - Hyerin Jung
- Clinical Immunology and Stem Cell Laboratory (CiSTEM) Laboratory, Catholic Induced Pluripotent Stem Cell (iPSC) Research Center, College of Medicine, The Catholic University of Korea, Seoul, South Korea
- Department of Biomedicine & Health Science, Seoul St. Mary’s Hospital, College of Medicine, The Catholic University of Korea, Seoul, South Korea
| | - Yeri Alice Rim
- Clinical Immunology and Stem Cell Laboratory (CiSTEM) Laboratory, Catholic Induced Pluripotent Stem Cell (iPSC) Research Center, College of Medicine, The Catholic University of Korea, Seoul, South Korea
- Department of Biomedicine & Health Science, Seoul St. Mary’s Hospital, College of Medicine, The Catholic University of Korea, Seoul, South Korea
| | - Dong Hyun Sohn
- Department of Veterans Affairs (VA) Palo Alto Healthcare System, Palo Alto, CA, United States
- Division of Immunology and Rheumatology, Stanford University School of Medicine, Stanford, CA, United States
- Department of Microbiology and Immunology, Pusan National University School of Medicine, Yangsan, South Korea
| | - William H. Robinson
- Department of Veterans Affairs (VA) Palo Alto Healthcare System, Palo Alto, CA, United States
- Division of Immunology and Rheumatology, Stanford University School of Medicine, Stanford, CA, United States
| | - Su-Jin Moon
- Division of Rheumatology, Department of Internal Medicine, Uijeongbu St. Mary’s Hospital, College of Medicine, The Catholic University of Korea, Seoul, South Korea
| | - Ji Hyeon Ju
- Clinical Immunology and Stem Cell Laboratory (CiSTEM) Laboratory, Catholic Induced Pluripotent Stem Cell (iPSC) Research Center, College of Medicine, The Catholic University of Korea, Seoul, South Korea
- Department of Biomedicine & Health Science, Seoul St. Mary’s Hospital, College of Medicine, The Catholic University of Korea, Seoul, South Korea
- Division of Rheumatology, Department of Internal Medicine, Seoul St. Mary’s Hospital, College of Medicine, The Catholic University of Korea, Seoul, South Korea
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34
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Grönwall C, Liljefors L, Bang H, Hensvold AH, Hansson M, Mathsson-Alm L, Israelsson L, Joshua V, Svärd A, Stålesen R, Titcombe PJ, Steen J, Piccoli L, Sherina N, Clavel C, Svenungsson E, Gunnarsson I, Saevarsdottir S, Kastbom A, Serre G, Alfredsson L, Malmström V, Rönnelid J, Catrina AI, Lundberg K, Klareskog L. A Comprehensive Evaluation of the Relationship Between Different IgG and IgA Anti-Modified Protein Autoantibodies in Rheumatoid Arthritis. Front Immunol 2021; 12:627986. [PMID: 34093522 PMCID: PMC8173192 DOI: 10.3389/fimmu.2021.627986] [Citation(s) in RCA: 24] [Impact Index Per Article: 8.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/10/2020] [Accepted: 04/26/2021] [Indexed: 12/25/2022] Open
Abstract
Seropositive rheumatoid arthritis (RA) is characterized by the presence of rheumatoid factor (RF) and anti-citrullinated protein autoantibodies (ACPA) with different fine-specificities. Yet, other serum anti-modified protein autoantibodies (AMPA), e.g. anti-carbamylated (Carb), -acetylated (KAc), and malondialdehyde acetaldehyde (MAA) modified protein antibodies, have been described. In this comprehensive study, we analyze 30 different IgG and IgA AMPA reactivities to Cit, Carb, KAc, and MAA antigens detected by ELISA and autoantigen arrays in N=1985 newly diagnosed RA patients. Association with patient characteristics such as smoking and disease activity were explored. Carb and KAc reactivities by different assays were primarily seen in patients also positive for anti-citrulline reactivity. Modified vimentin (mod-Vim) peptides were used for direct comparison of different AMPA reactivities, revealing that IgA AMPA recognizing mod-Vim was mainly detected in subsets of patients with high IgG anti-Cit-Vim levels and a history of smoking. IgG reactivity to acetylation was mainly detected in a subset of patients with Cit and Carb reactivity. Anti-acetylated histone reactivity was RA-specific and associated with high anti-CCP2 IgG levels, multiple ACPA fine-specificities, and smoking status. This reactivity was also found to be present in CCP2+ RA-risk individuals without arthritis. Our data further demonstrate that IgG autoreactivity to MAA was increased in RA compared to controls with highest levels in CCP2+ RA, but was not RA-specific, and showed low correlation with other AMPA. Anti-MAA was instead associated with disease activity and was not significantly increased in CCP2+ individuals at risk of RA. Notably, RA patients could be subdivided into four different subsets based on their AMPA IgG and IgA reactivity profiles. Our serology results were complemented by screening of monoclonal antibodies derived from single B cells from RA patients for the same antigens as the RA cohort. Certain CCP2+ clones had Carb or Carb+KAc+ multireactivity, while such reactivities were not found in CCP2- clones. We conclude that autoantibodies exhibiting different patterns of ACPA fine-specificities as well as Carb and KAc reactivity are present in RA and may be derived from multireactive B-cell clones. Carb and KAc could be considered reactivities within the “Cit-umbrella” similar to ACPA fine-specificities, while MAA reactivity is distinctly different.
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Affiliation(s)
- Caroline Grönwall
- Department of Medicine Solna, Division of Rheumatology, Center for Molecular Medicine, Karolinska Institutet, Karolinska University Hospital, Stockholm, Sweden
| | - Lisa Liljefors
- Department of Medicine Solna, Division of Rheumatology, Center for Molecular Medicine, Karolinska Institutet, Karolinska University Hospital, Stockholm, Sweden
| | | | - Aase H Hensvold
- Department of Medicine Solna, Division of Rheumatology, Center for Molecular Medicine, Karolinska Institutet, Karolinska University Hospital, Stockholm, Sweden.,Center for Rheumatology, Academic Specialist Center, Stockholm Health Region, Stockholm, Sweden.,Rheumatology Clinic, Karolinska University Hospital, Stockholm, Sweden
| | - Monika Hansson
- Department of Medicine Solna, Division of Rheumatology, Center for Molecular Medicine, Karolinska Institutet, Karolinska University Hospital, Stockholm, Sweden
| | - Linda Mathsson-Alm
- Thermo Fisher Scientific, Immuno Diagnostics Division, Uppsala, Sweden.,Department of Immunology, Genetics and Pathology, Uppsala University, Uppsala, Sweden
| | - Lena Israelsson
- Department of Medicine Solna, Division of Rheumatology, Center for Molecular Medicine, Karolinska Institutet, Karolinska University Hospital, Stockholm, Sweden
| | - Vijay Joshua
- Department of Medicine Solna, Division of Rheumatology, Center for Molecular Medicine, Karolinska Institutet, Karolinska University Hospital, Stockholm, Sweden
| | - Anna Svärd
- Department of Biomedical and Clinical Sciences, Linköping University, Linköping, Sweden.,Center for Clinical Research Dalarna, Uppsala University, Uppsala, Sweden
| | - Ragnhild Stålesen
- Department of Medicine Solna, Division of Rheumatology, Center for Molecular Medicine, Karolinska Institutet, Karolinska University Hospital, Stockholm, Sweden
| | - Philip J Titcombe
- Department of Medicine Solna, Division of Rheumatology, Center for Molecular Medicine, Karolinska Institutet, Karolinska University Hospital, Stockholm, Sweden.,The Center for Immunology and Division of Rheumatic and Autoimmune Diseases, University of Minnesota Medical School, Minneapolis, MN, United States
| | - Johanna Steen
- Department of Medicine Solna, Division of Rheumatology, Center for Molecular Medicine, Karolinska Institutet, Karolinska University Hospital, Stockholm, Sweden
| | - Luca Piccoli
- Institute for Research in Biomedicine, Università della Svizzera italiana, Bellinzona, Switzerland
| | - Natalia Sherina
- Department of Medicine Solna, Division of Rheumatology, Center for Molecular Medicine, Karolinska Institutet, Karolinska University Hospital, Stockholm, Sweden
| | - Cyril Clavel
- Unité Différenciation Épithéliale et Autoimmunité Rhumatoïde, INSERM - Université de Toulouse, Toulouse, France
| | - Elisabet Svenungsson
- Department of Medicine Solna, Division of Rheumatology, Center for Molecular Medicine, Karolinska Institutet, Karolinska University Hospital, Stockholm, Sweden.,Rheumatology Clinic, Karolinska University Hospital, Stockholm, Sweden
| | - Iva Gunnarsson
- Department of Medicine Solna, Division of Rheumatology, Center for Molecular Medicine, Karolinska Institutet, Karolinska University Hospital, Stockholm, Sweden.,Rheumatology Clinic, Karolinska University Hospital, Stockholm, Sweden
| | - Saedis Saevarsdottir
- Department of Medicine Solna, Division of Clinical Epidemiology, Karolinska Institutet, Stockholm, Sweden.,Faculty of Medicine, School of Health Sciences, University of Iceland, Reykjavik, Iceland
| | - Alf Kastbom
- Department of Biomedical and Clinical Sciences, Linköping University, Linköping, Sweden
| | - Guy Serre
- Unité Différenciation Épithéliale et Autoimmunité Rhumatoïde, INSERM - Université de Toulouse, Toulouse, France
| | - Lars Alfredsson
- Institute of Environmental Medicine, Karolinska Institutet, Stockholm, Sweden.,Centre for Occupational and Environmental Medicine, Stockholm Health Region, Stockholm, Sweden
| | - Vivianne Malmström
- Department of Medicine Solna, Division of Rheumatology, Center for Molecular Medicine, Karolinska Institutet, Karolinska University Hospital, Stockholm, Sweden
| | - Johan Rönnelid
- Department of Immunology, Genetics and Pathology, Uppsala University, Uppsala, Sweden
| | - Anca I Catrina
- Department of Medicine Solna, Division of Rheumatology, Center for Molecular Medicine, Karolinska Institutet, Karolinska University Hospital, Stockholm, Sweden.,Center for Rheumatology, Academic Specialist Center, Stockholm Health Region, Stockholm, Sweden.,Rheumatology Clinic, Karolinska University Hospital, Stockholm, Sweden
| | - Karin Lundberg
- Department of Medicine Solna, Division of Rheumatology, Center for Molecular Medicine, Karolinska Institutet, Karolinska University Hospital, Stockholm, Sweden
| | - Lars Klareskog
- Department of Medicine Solna, Division of Rheumatology, Center for Molecular Medicine, Karolinska Institutet, Karolinska University Hospital, Stockholm, Sweden.,Center for Rheumatology, Academic Specialist Center, Stockholm Health Region, Stockholm, Sweden.,Rheumatology Clinic, Karolinska University Hospital, Stockholm, Sweden
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35
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Sung WY, Tsai WC. Rethink About the Role of Rheumatoid Factor and Anti-citrullinated Protein Antibody in Rheumatoid Arthritis. RHEUMATOLOGY AND IMMUNOLOGY RESEARCH 2021; 2:19-25. [PMID: 36467904 PMCID: PMC9524775 DOI: 10.2478/rir-2021-0003] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/14/2020] [Accepted: 01/04/2021] [Indexed: 05/15/2023]
Abstract
Rheumatoid arthritis (RA) is a chronic inflammatory autoimmune disease characterized by joint inflammation and extra-articular manifestations. Many questions in the pathogenesis, clinical manifestation, and disease spectrum are answered after the discovery of the first autoantibody namely rheumatoid factor (RF). The finding of the second autoantibody named anti-citrullinated protein antibody (ACPA), which unearths the importance of protein citrullination process. It further provides the insight how immune cells and complement interact to perpetuate the inflammatory response. These two autoantibodies pave the way for our better understanding of RA. This review article focuses on the history, pathophysiology, and clinical association of these two autoantibodies in RA.
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Affiliation(s)
- Wang Yu Sung
- Division of Rheumatology, Department of Internal Medicine, Kaohsiung Medical University Hospital, Taiwan, China
| | - Wen Chan Tsai
- Division of Rheumatology, Department of Internal Medicine, Kaohsiung Medical University Hospital, Taiwan, China
- E-mail:
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36
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Wu CY, Yang HY, Luo SF, Lai JH. From Rheumatoid Factor to Anti-Citrullinated Protein Antibodies and Anti-Carbamylated Protein Antibodies for Diagnosis and Prognosis Prediction in Patients with Rheumatoid Arthritis. Int J Mol Sci 2021; 22:ijms22020686. [PMID: 33445768 PMCID: PMC7828258 DOI: 10.3390/ijms22020686] [Citation(s) in RCA: 39] [Impact Index Per Article: 13.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/15/2020] [Revised: 01/04/2021] [Accepted: 01/06/2021] [Indexed: 02/07/2023] Open
Abstract
Rheumatoid arthritis (RA) is a chronic systemic inflammatory disease mainly involving synovial inflammation and articular bone destruction. RA is a heterogeneous disease with diverse clinical presentations, prognoses and therapeutic responses. Following the first discovery of rheumatoid factors (RFs) 80 years ago, the identification of both anti-citrullinated protein antibodies (ACPAs) and anti-carbamylated protein antibodies (anti-CarP Abs) has greatly facilitated approaches toward RA, especially in the fields of early diagnosis and prognosis prediction of the disease. Although these antibodies share many common features and can function synergistically to promote disease progression, they differ mechanistically and have unique clinical relevance. Specifically, these three RA associating auto-antibodies (autoAbs) all precede the development of RA by years. However, while the current evidence suggests a synergic effect of RF and ACPA in predicting the development of RA and an erosive phenotype, controversies exist regarding the additive value of anti-CarP Abs. In the present review, we critically summarize the characteristics of these autoantibodies and focus on their distinct clinical applications in the early identification, clinical manifestations and prognosis prediction of RA. With the advancement of treatment options in the era of biologics, we also discuss the relevance of these autoantibodies in association with RA patient response to therapy.
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Affiliation(s)
- Chao-Yi Wu
- Division of Allergy, Asthma, and Rheumatology, Department of Pediatrics, Chang Gung Memorial Hospital, Taoyuan 33303, Taiwan;
- College of Medicine, Chang Gung University, Taoyuan 333, Taiwan;
| | - Huang-Yu Yang
- College of Medicine, Chang Gung University, Taoyuan 333, Taiwan;
- Department of Nephrology, Chang Gung Memorial Hospital, Taoyuan 333, Taiwan
| | - Shue-Fen Luo
- Division of Allergy, Immunology, and Rheumatology, Department of Internal Medicine, Chang Gung Memorial Hospital, Chang Gung University, Taoyuan 333, Taiwan;
| | - Jenn-Haung Lai
- Division of Allergy, Immunology, and Rheumatology, Department of Internal Medicine, Chang Gung Memorial Hospital, Chang Gung University, Taoyuan 333, Taiwan;
- Graduate Institute of Medical Science, National Defense Medical Center, Taipei 114, Taiwan
- Correspondence: ; Tel.: +886-2-8791-8382; Fax: +886-2-8791-8382
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37
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Reijm S, Kissel T, Toes R. Checkpoints controlling the induction of B cell mediated autoimmunity in human autoimmune diseases. Eur J Immunol 2020; 50:1885-1894. [DOI: 10.1002/eji.202048820] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/17/2020] [Accepted: 11/04/2020] [Indexed: 12/24/2022]
Affiliation(s)
- S. Reijm
- Department of Rheumatology Leiden University Medical Center Leiden The Netherlands
| | - T. Kissel
- Department of Rheumatology Leiden University Medical Center Leiden The Netherlands
| | - R.E.M. Toes
- Department of Rheumatology Leiden University Medical Center Leiden The Netherlands
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38
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Murata K, Ito H, Hashimoto M, Murakami K, Watanabe R, Tanaka M, Yamamoto W, Matsuda S. Fluctuation in anti-cyclic citrullinated protein antibody level predicts relapse from remission in rheumatoid arthritis: KURAMA cohort. Arthritis Res Ther 2020; 22:268. [PMID: 33183344 PMCID: PMC7664066 DOI: 10.1186/s13075-020-02366-x] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/06/2020] [Accepted: 11/03/2020] [Indexed: 12/23/2022] Open
Abstract
Background The positivity of anti-citrullinated protein/peptide antibodies (ACPAs) is a clinically useful diagnostic and prognostic marker in rheumatoid arthritis (RA). However, the significance of ACPA titer and its fluctuation remain unclear. This study aimed to assess the role of ACPA titer and its fluctuation on disease activity and the prognosis of RA. Methods Data obtained from the Kyoto University Rheumatoid Arthritis Management Alliance (KURAMA) cohort was analyzed. Patients whose ACPA was measured at least twice between 2011 and 2019 and whose ACPA was positive at least once were included in this study. The association between the clinical variable and ACPA titer or its change was investigated. Results ACPA titer was measured in a total of 3286 patients, 1806 of whom were ACPA-positive at least once. Among them, the ACPA titer level was measured more than once in 1355 patients. Very weak correlation was observed between the ACPA titer level and disease activity. Additionally, there was no trend in the fluctuation of ACPA titer level in each patient; ACPA titer level fluctuated in some patients, but not in others. Patients with high variable levels of ACPA titer were more likely to relapse from remission. In the analysis of two consecutive ACPA measurements, the titer changes predicted the relapse from remission within a year of the second measurement. Conclusions The ACPA titer level fluctuated in some patients. Very weak correlation was observed between the ACPA titer level and disease activity. Fluctuation in ACPA titer level predicted relapse from remission in patients with RA. Supplementary information The online version contains supplementary material available at 10.1186/s13075-020-02366-x.
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Affiliation(s)
- Koichi Murata
- Department of Advanced Medicine for Rheumatic Diseases, Kyoto University Graduate School of Medicine, 54 Kawahara-cho, Shogoin, Sakyo, Kyoto, 606-8507, Japan. .,Department of Orthopaedic Surgery, Kyoto University Graduate School of Medicine, Sakyo, Kyoto, Japan.
| | - Hiromu Ito
- Department of Advanced Medicine for Rheumatic Diseases, Kyoto University Graduate School of Medicine, 54 Kawahara-cho, Shogoin, Sakyo, Kyoto, 606-8507, Japan.,Department of Orthopaedic Surgery, Kyoto University Graduate School of Medicine, Sakyo, Kyoto, Japan
| | - Motomu Hashimoto
- Department of Advanced Medicine for Rheumatic Diseases, Kyoto University Graduate School of Medicine, 54 Kawahara-cho, Shogoin, Sakyo, Kyoto, 606-8507, Japan
| | - Kosaku Murakami
- Department of Rheumatology and Clinical Immunology, Kyoto University Graduate School of Medicine, Sakyo, Kyoto, Japan
| | - Ryu Watanabe
- Department of Advanced Medicine for Rheumatic Diseases, Kyoto University Graduate School of Medicine, 54 Kawahara-cho, Shogoin, Sakyo, Kyoto, 606-8507, Japan
| | - Masao Tanaka
- Department of Advanced Medicine for Rheumatic Diseases, Kyoto University Graduate School of Medicine, 54 Kawahara-cho, Shogoin, Sakyo, Kyoto, 606-8507, Japan
| | - Wataru Yamamoto
- Department of Advanced Medicine for Rheumatic Diseases, Kyoto University Graduate School of Medicine, 54 Kawahara-cho, Shogoin, Sakyo, Kyoto, 606-8507, Japan.,Department of Health Information Management, Kurashiki Sweet Hospital, Nakasho, Kurashiki, Japan
| | - Shuichi Matsuda
- Department of Orthopaedic Surgery, Kyoto University Graduate School of Medicine, Sakyo, Kyoto, Japan
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Sahlström P, Hansson M, Steen J, Amara K, Titcombe PJ, Forsström B, Stålesen R, Israelsson L, Piccoli L, Lundberg K, Klareskog L, Mueller DL, Catrina AI, Skriner K, Malmström V, Grönwall C. Different Hierarchies of Anti–Modified Protein Autoantibody Reactivities in Rheumatoid Arthritis. Arthritis Rheumatol 2020; 72:1643-1657. [DOI: 10.1002/art.41385] [Citation(s) in RCA: 33] [Impact Index Per Article: 8.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/20/2019] [Accepted: 05/13/2020] [Indexed: 12/26/2022]
Affiliation(s)
- Peter Sahlström
- Karolinska Institutet Karolinska University Hospital, Stockholm, Sweden, and Charité Universitätsmedizin Berlin Germany
| | - Monika Hansson
- Karolinska Institutet Karolinska University Hospital Stockholm Sweden
| | - Johanna Steen
- Karolinska Institutet Karolinska University Hospital Stockholm Sweden
| | - Khaled Amara
- Karolinska Institutet Karolinska University Hospital Stockholm Sweden
| | - Philip J. Titcombe
- Karolinska Institutet Karolinska University Hospital, Stockholm, Sweden, and University of Minnesota Medical School Minneapolis
| | | | - Ragnhild Stålesen
- Karolinska Institutet Karolinska University Hospital Stockholm Sweden
| | - Lena Israelsson
- Karolinska Institutet Karolinska University Hospital Stockholm Sweden
| | - Luca Piccoli
- Institute for Research in Biomedicine Università della Svizzera italiana Bellinzona Switzerland
| | - Karin Lundberg
- Karolinska Institutet Karolinska University Hospital Stockholm Sweden
| | - Lars Klareskog
- Karolinska Institutet Karolinska University Hospital Stockholm Sweden
| | | | - Anca I. Catrina
- Karolinska Institutet Karolinska University Hospital Stockholm Sweden
| | | | | | - Caroline Grönwall
- Karolinska Institutet Karolinska University Hospital Stockholm Sweden
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40
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Wu CY, Yang HY, Lai JH. Anti-Citrullinated Protein Antibodies in Patients with Rheumatoid Arthritis: Biological Effects and Mechanisms of Immunopathogenesis. Int J Mol Sci 2020; 21:ijms21114015. [PMID: 32512739 PMCID: PMC7312469 DOI: 10.3390/ijms21114015] [Citation(s) in RCA: 37] [Impact Index Per Article: 9.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/15/2020] [Revised: 05/30/2020] [Accepted: 06/02/2020] [Indexed: 12/11/2022] Open
Abstract
Individuals with high anti-citrullinated protein antibody (ACPA) titers have an increased risk of developing rheumatoid arthritis (RA). Although our knowledge of the generation and production of ACPAs has continuously advanced during the past decade, our understanding on the pathogenic mechanisms of how ACPAs interact with immune cells to trigger articular inflammation is relatively limited. Citrullination disorders drive the generation and maintenance of ACPAs, with profound clinical significance in patients with RA. The loss of tolerance to citrullinated proteins, however, is essential for ACPAs to exert their pathogenicity. N-linked glycosylation, cross-reactivity and the structural interactions of ACPAs with their citrullinated antigens further direct their biological functions. Although questions remain in the pathogenicity of ACPAs acting as agonists for a receptor-mediated response, immune complex (IC) formation, complement system activation, crystallizable fragment gamma receptor (FcγR) activation, cross-reactivity to joint cartilage and neutrophil extracellular trap (NET)-related mechanisms have all been suggested recently. This paper presents a critical review of the characteristics and possible biological effects and mechanisms of the immunopathogenesis of ACPAs in patients with RA.
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Affiliation(s)
- Chao-Yi Wu
- Division of Allergy, Asthma, and Rheumatology, Department of Pediatrics, Chang Gung Memorial Hospital, Taoyuan 333, Taiwan;
- Chang Gung University, College of Medicine, Taoyuan 333, Taiwan;
| | - Huang-Yu Yang
- Chang Gung University, College of Medicine, Taoyuan 333, Taiwan;
- Department of Nephrology, Chang Gung Memorial Hospital, Taoyuan 333, Taiwan
| | - Jenn-Haung Lai
- Division of Allergy, Immunology, and Rheumatology, Department of Internal Medicine, Chang Gung Memorial Hospital, Chang Gung University, Taoyuan 333, Taiwan
- Graduate Institute of Medical Science, National Defense Medical Center, Taipei 114, Taiwan
- Correspondence: ; Tel.: +886-2-8791-8382; Fax: +886-2-8791-8382
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41
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Möller B, Kollert F, Sculean A, Villiger PM. Infectious Triggers in Periodontitis and the Gut in Rheumatoid Arthritis (RA): A Complex Story About Association and Causality. Front Immunol 2020; 11:1108. [PMID: 32582191 PMCID: PMC7283532 DOI: 10.3389/fimmu.2020.01108] [Citation(s) in RCA: 32] [Impact Index Per Article: 8.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/21/2020] [Accepted: 05/07/2020] [Indexed: 12/12/2022] Open
Abstract
Rheumatoid arthritis (RA) is a systemic immune mediated inflammatory disease of unknown origin, which is predominantly affecting the joints. Antibodies against citrullinated peptides are a rather specific immunological hallmark of this heterogeneous entity. Furthermore, certain sequences of the third hypervariable region of human leukocyte antigen (HLA)-DR class II major histocompatibility (MHC) molecules, the so called "shared epitope" sequences, appear to promote autoantibody positive types of RA. However, MHC-II molecule and other genetic associations with RA could not be linked to immune responses against specific citrullinated peptides, nor do genetic factors fully explain the origin of RA. Consequently, non-genetic factors must play an important role in the complex interaction of endogenous and exogenous disease factors. Tobacco smoking was the first environmental factor that was associated with onset and severity of RA. Notably, smoking is also an established risk factor for oral diseases. Furthermore, smoking is associated with extra-articular RA manifestations such as interstitial lung disease in anatomical proximity to the airway mucosa, but also with subcutaneous rheumatoid nodules. In the mouth, Porphyromonas gingivalis is a periodontal pathogen with unique citrullinating capacity of foreign microbial antigens as well as candidate RA autoantigens. Although the original hypothesis that this single pathogen is causative for RA remained unproven, epidemiological as well as experimental evidence linking periodontitis (PD) with RA is rapidly accumulating. Other periopathogens such as Aggregatibacter actinomycetemcomitans and Prevotella intermedia were also proposed to play a specific immunodominant role in context of RA. However, demonstration of T cell reactivity against citrullinated, MHC-II presented autoantigens from RA synovium coinciding with immunity against Prevotella copri (Pc.), a gut microbe attracted attention to another mucosal site, the intestine. Pc. was accumulated in the feces of clinically healthy subjects with citrulline directed immune responses and was correlated with RA onset. In conclusion, we retrieved more than one line of evidence for mucosal sites and different microbial taxa to be potentially involved in the development of RA. This review gives an overview of infectious agents and mucosal pathologies, and discusses the current evidence for causality between different exogenous or mucosal factors and systemic inflammation in RA.
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Affiliation(s)
- Burkhard Möller
- Department for Rheumatology, Immunology and Allergology, Inselspital-University Hospital of Bern, Bern, Switzerland
| | - Florian Kollert
- Department for Rheumatology, Immunology and Allergology, Inselspital-University Hospital of Bern, Bern, Switzerland
| | - Anton Sculean
- Department of Periodontology, School of Dental Medicine, University of Bern, Bern, Switzerland
| | - Peter M Villiger
- Department for Rheumatology, Immunology and Allergology, Inselspital-University Hospital of Bern, Bern, Switzerland
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42
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Corsiero E, Carlotti E, Jagemann L, Perretti M, Pitzalis C, Bombardieri M. H and L Chain Affinity Maturation and/or Fab N-Glycosylation Influence Immunoreactivity toward Neutrophil Extracellular Trap Antigens in Rheumatoid Arthritis Synovial B Cell Clones. JOURNAL OF IMMUNOLOGY (BALTIMORE, MD. : 1950) 2020; 204:2374-2379. [PMID: 32221039 PMCID: PMC7167462 DOI: 10.4049/jimmunol.1901457] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/09/2019] [Accepted: 02/26/2020] [Indexed: 01/07/2023]
Abstract
We previously showed that anti-neutrophil extracellular trap (NET) rheumatoid arthritis (RA)-rmAbs derived from CD19+ B cells within RA human synovial tissues frequently react against NETs. In this study, we aimed to characterize the importance of affinity maturation via somatic hypermutation (SHM) within the Ig variable H (VH) and variable L (VL) chains and Fab-N-linked glycosylation in RA synovial B cell clones reactive to NETs and NET-derived Ags such as citrullinated histones. Selected anti-NET RA-rmAbs derived from synovial RA CD19+ B cells were subjected to overlap-PCR to generate germline (GL; VH and VL reverted into GL), hybrid clones (VH/VL region reverted into GL), and N-glycosylation mutants (N→Q) and analyzed for anti-NETs and citrullinated histones (cit-H2B) immunoreactivity. Anti-NET/cit-H2B immunoreactivity of selected RA-rmAbs was abrogated in the VH and VL GL counterpart. In RA B cell hybrid clone RA015/11.88 and RA056/11.23.2, NET and/or cit-H2B immunoreactivity was solely dependent on SHM in the IgVH region whereas RA B cell hybrid clone RA015/11.91 required affinity maturation of both VH and VL for efficient binding to cit-H2B. In 7/80 RA-rmAb, SHM resulted in ex novo N-glycosylation sites in VH and/or VL regions. Removal of Fab-linked glycans in RA056/11.23.2 in the N-mutant counterpart resulted in 90% reduction in immunoreactivity to cit-H2B. Thus, SHM in the IgVH and/or VL regions of RA synovial B cells is necessary for the immunoreactivity to NET-Ags. Fab-N-linked-glycosylation introduction sites are observed in a minority of anti-NET B cell clones but can strongly influence NET-Ag binding.
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Affiliation(s)
- Elisa Corsiero
- Centre for Experimental Medicine and Rheumatology, William Harvey Research Institute, Barts and The London School of Medicine and Dentistry, Queen Mary University of London, London EC1M 6BQ, United Kingdom; and
| | - Emanuela Carlotti
- Centre for Experimental Medicine and Rheumatology, William Harvey Research Institute, Barts and The London School of Medicine and Dentistry, Queen Mary University of London, London EC1M 6BQ, United Kingdom; and
| | - Lucas Jagemann
- Centre for Experimental Medicine and Rheumatology, William Harvey Research Institute, Barts and The London School of Medicine and Dentistry, Queen Mary University of London, London EC1M 6BQ, United Kingdom; and
| | - Mauro Perretti
- Centre for Biochemical Pharmacology, William Harvey Research Institute, Barts and The London School of Medicine and Dentistry, Queen Mary University of London, London EC1M 6BQ, United Kingdom
| | - Costantino Pitzalis
- Centre for Experimental Medicine and Rheumatology, William Harvey Research Institute, Barts and The London School of Medicine and Dentistry, Queen Mary University of London, London EC1M 6BQ, United Kingdom; and
| | - Michele Bombardieri
- Centre for Experimental Medicine and Rheumatology, William Harvey Research Institute, Barts and The London School of Medicine and Dentistry, Queen Mary University of London, London EC1M 6BQ, United Kingdom; and
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43
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Elliott SE, Kongpachith S, Lingampalli N, Adamska JZ, Cannon BJ, Blum LK, Bloom MS, Henkel M, McGeachy MJ, Moreland LW, Robinson WH. B cells in rheumatoid arthritis synovial tissues encode focused antibody repertoires that include antibodies that stimulate macrophage TNF-α production. Clin Immunol 2020; 212:108360. [PMID: 32035179 DOI: 10.1016/j.clim.2020.108360] [Citation(s) in RCA: 9] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/21/2019] [Revised: 02/04/2020] [Accepted: 02/04/2020] [Indexed: 01/13/2023]
Abstract
Rheumatoid arthritis (RA) is characterized by the production of anti-citrullinated protein antibodies (ACPAs). To gain insights into the relationship between ACPA-expressing B cells in peripheral blood (PB) and synovial tissue (ST), we sequenced the B cell repertoire in paired PB and ST samples from five individuals with established, ACPA+ RA. Bioinformatics analysis of paired heavy- and light-chain sequences revealed clonally-related family members shared between PB and ST. ST-derived antibody repertoires exhibited reduced diversity and increased normalized clonal family size compared to PB-derived repertoires. Functional characterization showed that seven recombinant antibodies (rAbs) expressed from subject-derived sequences from both compartments bound citrullinated antigens and immune complexes (ICs) formed using one ST-derived rAb stimulated macrophage TNF-α production. Our findings demonstrate B cell trafficking between PB and ST in subjects with RA and ST repertoires include B cells that encode ACPA capable of forming ICs that stimulate cellular responses implicated in RA pathogenesis.
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Affiliation(s)
- Serra E Elliott
- Division of Immunology and Rheumatology, Stanford University, Stanford, CA, United States of America; VA Palo Alto Health Care System, Palo Alto, CA, United States of America
| | - Sarah Kongpachith
- Division of Immunology and Rheumatology, Stanford University, Stanford, CA, United States of America; VA Palo Alto Health Care System, Palo Alto, CA, United States of America
| | - Nithya Lingampalli
- Division of Immunology and Rheumatology, Stanford University, Stanford, CA, United States of America; VA Palo Alto Health Care System, Palo Alto, CA, United States of America
| | - Julia Z Adamska
- Division of Immunology and Rheumatology, Stanford University, Stanford, CA, United States of America; VA Palo Alto Health Care System, Palo Alto, CA, United States of America
| | - Bryan J Cannon
- Division of Immunology and Rheumatology, Stanford University, Stanford, CA, United States of America; VA Palo Alto Health Care System, Palo Alto, CA, United States of America
| | - Lisa K Blum
- Division of Immunology and Rheumatology, Stanford University, Stanford, CA, United States of America; VA Palo Alto Health Care System, Palo Alto, CA, United States of America
| | - Michelle S Bloom
- Division of Immunology and Rheumatology, Stanford University, Stanford, CA, United States of America; VA Palo Alto Health Care System, Palo Alto, CA, United States of America
| | - Matthew Henkel
- Division of Rheumatology & Clinical Immunology, University of Pittsburgh, Pittsburgh, PA, United States of America
| | - Mandy J McGeachy
- Division of Rheumatology & Clinical Immunology, University of Pittsburgh, Pittsburgh, PA, United States of America
| | - Larry W Moreland
- Division of Rheumatology & Clinical Immunology, University of Pittsburgh, Pittsburgh, PA, United States of America
| | - William H Robinson
- Division of Immunology and Rheumatology, Stanford University, Stanford, CA, United States of America; VA Palo Alto Health Care System, Palo Alto, CA, United States of America.
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44
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Rheumatoid arthritis patients display B-cell dysregulation already in the naïve repertoire consistent with defects in B-cell tolerance. Sci Rep 2019; 9:19995. [PMID: 31882654 PMCID: PMC6934703 DOI: 10.1038/s41598-019-56279-0] [Citation(s) in RCA: 41] [Impact Index Per Article: 8.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/12/2019] [Accepted: 12/03/2019] [Indexed: 12/17/2022] Open
Abstract
B cells are postulated to be central in seropositive rheumatoid arthritis (RA). Here, we use exploratory mass cytometry (n = 23) and next-generation sequencing (n = 19) to study B-cell repertoire shifts in RA patients. Expression of several B-cell markers were significantly different in ACPA+ RA compared to healthy controls, including an increase in HLA-DR across subsets, CD22 in clusters of IgM+ B cells and CD11c in IgA+ memory. Moreover, both IgA+ and IgG+ double negative (IgD− CD27−) CD11c+ B cells were increased in ACPA+ RA, and there was a trend for elevation in a CXCR5/CCR6high transitional B-cell cluster. In the RA BCR repertoire, there were significant differences in subclass distribution and, notably, the frequency of VH with low somatic hypermutation (SHM) was strikingly higher, especially in IgG1 (p < 0.0001). Furthermore, both ACPA+ and ACPA− RA patients had significantly higher total serum IgA and IgM compared to controls, based on serology of larger cohorts (n = 3494 IgA; n = 397 IgM). The observed elevated Ig-levels, distortion in IgM+ B cells, increase in double negative B cells, change in B-cell markers, and elevation of unmutated IgG+ B cells suggests defects in B-cell tolerance in RA. This may represent an underlying cause of increased polyreactivity and autoimmunity in RA.
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45
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Huang J, Zeng T, Zhang X, Tian Y, Wu Y, Yu J, Pei Z, Liu Y, Hu T, Tan L. Clinical diagnostic significance of 14-3-3η protein, high-mobility group box-1, anti-cyclic citrullinated peptide antibodies, anti-mutated citrullinated vimentin antibodies and rheumatoid factor in rheumatoid arthritis. Br J Biomed Sci 2019; 77:19-23. [PMID: 31433746 DOI: 10.1080/09674845.2019.1658425] [Citation(s) in RCA: 12] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/15/2022]
Abstract
Introduction: Circulating markers of rheumatoid arthritis (RA) include the 14-3-3η protein, high-mobility group box-1 (HMGB1), anti-cyclic citrullinated peptide (anti-CCP) antibodies, anti-mutated citrullinated vimentin (anti-MCV) antibodies and rheumatoid factor (RF). We set out to determine which two markers in combination provided best discriminatory power for this disease.Methods: We recruited 108 RA patients, 102 non-RA patients (SLE, AS, Sjogren's syndrome, MCTD) and 90 healthy controls. Sensitivity, specificity, positive predictive value, negative predictive value, positive likelihood ratio, negative likelihood ratio and the Youden index of each analyte were calculated and binary logistic regression analysis and receiver operating characteristic (ROC) curve were performed to evaluate their diagnostic value for RA alone and in paired combination.Results: As expected, all markers were elevated in RA patients (P < 0.05). Binary logistic regression analysis showed that 14-3-3η had the highest odds ratio (95% CI) at 2.4 (1.9-2.8). Anti-CCP and anti-MCV had the highest areas under the curves [AUC (95% CI)] at 0.85 (0.78-0.90) and 0.85 (0.78-0.91) respectively (both P < 0.001). In serial detection (one marker followed by another), no combination had a Youden index >0.6. In parallel analysis (both considered together) several combinations had a Youden index >0.7, of which the highest (0.78) was anti-CCP with anti-MCV, with a sensitivity of 93.3% and specificity of 84.7%.Conclusions: Despite individual increases in serum 14-3-3η, HMGB1, anti-CCP, anti-MCV and RF, the combination of anti-CCP and anti-MCV might be of great help for diagnostic in RA, and so should be considered as routine tests for this disease.
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Affiliation(s)
- J Huang
- Department of Clinical Laboratory, The Second Affiliated Hospital of Nanchang University, Nanchang, Jiangxi, China.,Jiangxi Province Key Laboratory of Laboratory Medicine, Nanchang, Jiangxi, China
| | - T Zeng
- The First Affiliated Hospital of Nanchang University, Nanchang, Jiangxi, China
| | - X Zhang
- The Third Hospital of Nanchang City Jiangxi Province, Nanchang, Jiangxi, China
| | - Y Tian
- Department of Clinical Laboratory, The Second Affiliated Hospital of Nanchang University, Nanchang, Jiangxi, China.,Jiangxi Province Key Laboratory of Laboratory Medicine, Nanchang, Jiangxi, China
| | - Y Wu
- Department of Clinical Laboratory, The Second Affiliated Hospital of Nanchang University, Nanchang, Jiangxi, China.,Jiangxi Province Key Laboratory of Laboratory Medicine, Nanchang, Jiangxi, China
| | - J Yu
- Department of Clinical Laboratory, The Second Affiliated Hospital of Nanchang University, Nanchang, Jiangxi, China.,Jiangxi Province Key Laboratory of Laboratory Medicine, Nanchang, Jiangxi, China
| | - Z Pei
- Department of Clinical Laboratory, The Second Affiliated Hospital of Nanchang University, Nanchang, Jiangxi, China.,Jiangxi Province Key Laboratory of Laboratory Medicine, Nanchang, Jiangxi, China
| | - Y Liu
- Department of Clinical Laboratory, The Second Affiliated Hospital of Nanchang University, Nanchang, Jiangxi, China.,Jiangxi Province Key Laboratory of Laboratory Medicine, Nanchang, Jiangxi, China
| | - T Hu
- Department of Clinical Laboratory, The Second Affiliated Hospital of Nanchang University, Nanchang, Jiangxi, China.,Jiangxi Province Key Laboratory of Laboratory Medicine, Nanchang, Jiangxi, China
| | - L Tan
- Department of Clinical Laboratory, The Second Affiliated Hospital of Nanchang University, Nanchang, Jiangxi, China.,Jiangxi Province Key Laboratory of Laboratory Medicine, Nanchang, Jiangxi, China
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