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Konen FF, Möhn N, Witte T, Schefzyk M, Wiestler M, Lovric S, Hufendiek K, Schwenkenbecher P, Sühs KW, Friese MA, Klotz L, Pul R, Pawlitzki M, Hagin D, Kleinschnitz C, Meuth SG, Skripuletz T. Treatment of autoimmunity: The impact of disease-modifying therapies in multiple sclerosis and comorbid autoimmune disorders. Autoimmun Rev 2023; 22:103312. [PMID: 36924922 DOI: 10.1016/j.autrev.2023.103312] [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: 02/15/2023] [Accepted: 03/09/2023] [Indexed: 03/17/2023]
Abstract
More than 10 disease-modifying therapies (DMT) are approved by the European Medicines Agency (EMA) and the US Food and Drug Administration (FDA) for the treatment of multiple sclerosis (MS) and new therapeutic options are on the horizon. Due to different underlying therapeutic mechanisms, a more individualized selection of DMTs in MS is possible, taking into account the patient's current situation. Therefore, concomitant treatment of various comorbid conditions, including autoimmune mediated disorders such as rheumatoid arthritis, should be considered in MS patients. Because the pathomechanisms of autoimmunity partially overlap, DMT could also treat concomitant inflammatory diseases and simplify the patient's treatment. In contrast, the exacerbation and even new occurrence of several autoimmune diseases have been reported as a result of immunomodulatory treatment of MS. To simplify treatment and avoid disease exacerbation, knowledge of the beneficial and adverse effects of DMT in other autoimmune disorders is critical. Therefore, we conducted a literature search and described the beneficial and adverse effects of approved and currently studied DMT in a large number of comorbid autoimmune diseases, including rheumatoid arthritis, ankylosing spondylitis, inflammatory bowel diseases, cutaneous disorders including psoriasis, Sjögren´s syndrome, systemic lupus erythematosus, systemic vasculitis, autoimmune hepatitis, and ocular autoimmune disorders. Our review aims to facilitate the selection of an appropriate DMT in patients with MS and comorbid autoimmune diseases.
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Affiliation(s)
- Franz Felix Konen
- Department of Neurology, Hannover Medical School, 30625 Hannover, Germany..
| | - Nora Möhn
- Department of Neurology, Hannover Medical School, 30625 Hannover, Germany..
| | - Torsten Witte
- Department of Rheumatology and Clinical Immunology, Hannover Medical School, 30625 Hannover, Germany..
| | - Matthias Schefzyk
- Department of Dermatology, Allergology and Venerology, Hannover Medical School, 30625 Hannover, Germany..
| | - Miriam Wiestler
- Department of Internal Medicine, Division of Gastroenterology, Hepatology and Endocrinology, Hannover Medical School, 30625 Hannover, Germany.
| | - Svjetlana Lovric
- Department of Nephrology and Hypertension, Hannover Medical School, 30625 Hannover, Germany.
| | - Karsten Hufendiek
- University Eye Hospital, Hannover Medical School, 30625 Hannover, Germany.
| | | | - Kurt-Wolfram Sühs
- Department of Neurology, Hannover Medical School, 30625 Hannover, Germany..
| | - Manuel A Friese
- Institute of Neuroimmunology and Multiple Sclerosis, Center for Molecular Neurobiology Hamburg, University Medical Center Hamburg-Eppendorf, Hamburg 20251, Germany.
| | - Luisa Klotz
- Department of Neurology with Institute of Translational Neurology, University Hospital Muenster, 48149 Muenster, Germany.
| | - Refik Pul
- Department of Neurology, University Medicine Essen, Essen, Germany; Center for Translational Neuro- and Behavioral Sciences, University Hospital Essen, Essen 45147, Germany.
| | - Marc Pawlitzki
- Department of Neurology, Medical Faculty, Heinrich Heine University Dusseldorf, 40225 Dusseldorf, Germany.
| | - David Hagin
- Allergy and Clinical Immunology Unit, Department of Medicine, Tel-Aviv Sourasky Medical Center and Sackler Faculty of Medicine, University of Tel Aviv, 6 Weizmann St., Tel-Aviv 6423906, Israel.
| | - Christoph Kleinschnitz
- Department of Neurology, University Medicine Essen, Essen, Germany; Center for Translational Neuro- and Behavioral Sciences, University Hospital Essen, Essen 45147, Germany.
| | - Sven G Meuth
- Department of Neurology, Medical Faculty, Heinrich Heine University Dusseldorf, 40225 Dusseldorf, Germany.
| | - Thomas Skripuletz
- Department of Neurology, Hannover Medical School, 30625 Hannover, Germany..
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2
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Malhotra H, Garg V, Singh G. Biomarker Approach Towards Rheumatoid Arthritis Treatment. Curr Rheumatol Rev 2021; 17:162-175. [PMID: 33327920 DOI: 10.2174/1573397116666201216164013] [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: 03/03/2020] [Revised: 10/02/2020] [Accepted: 10/19/2020] [Indexed: 01/08/2023]
Abstract
Rheumatoid arthritis is an auto-immune disorder, recognized by cartilage as well as bone destruction, which causes irreversible joint deformities, which further results in functional limitations in the patient. Genes like HLA-DRB1 and PTPN22 are likely implicated in the genetic predisposition of rheumatoid arthritis pathology. The first and foremost clinical manifestation in a person with rheumatoid arthritis is joint destruction followed by cartilage and bone destruction caused by cell-cell interactions. The cell-cell interactions are thought to be initialized through the contact of antigen-presenting cells (APC) with CD4+ cells, leading to the progression of the disease. APC includes a complex of class ІІ major histocompatibility complex molecules along with peptide antigens and binds to the receptors present on the surface of T-cells. Further, the activation of macrophages is followed by the release of various pro-inflammatory cytokines such as IL-1 and TNF-α, which lead to the secretion of enzymes that degrade proteoglycan and collagen, which in turn, increase tissue degradation. Biomarkers like IL-6, IL-12, IL-8 and IL-18, 14-3-3η, RANKL, IFN-γ, IFN-β and TGF-β have been designated as key biomarkers in disease development and progression. The study of these biomarkers is very important as they act as a molecular indicator of pathological processes that aggravate the disease.
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Affiliation(s)
- Hitesh Malhotra
- Chandigarh College of Pharmacy Landran, Mohali, Punjab, India
| | - Vandana Garg
- Department of Pharmaceutical Sciences, Maharshi Dayanand University, Rohtak, Haryana, India
| | - Govind Singh
- Department of Pharmaceutical Sciences, Maharshi Dayanand University, Rohtak, Haryana, India
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3
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Chen Z, Bozec A, Ramming A, Schett G. Anti-inflammatory and immune-regulatory cytokines in rheumatoid arthritis. Nat Rev Rheumatol 2020; 15:9-17. [PMID: 30341437 DOI: 10.1038/s41584-018-0109-2] [Citation(s) in RCA: 379] [Impact Index Per Article: 94.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/29/2022]
Abstract
Rheumatoid arthritis (RA) is a chronic autoimmune disease characterized by a failure of spontaneous resolution of inflammation. Although the pro-inflammatory cytokines and mediators that trigger RA have been the focus of intense investigations, the regulatory and anti-inflammatory cytokines responsible for the suppression and resolution of disease in a context-dependent manner have been less well characterized. However, knowledge of the pathways that control the suppression and resolution of inflammation in RA is clinically relevant and conceptually important for understanding the pathophysiology of the disease and for the development of treatments that enable long-term remission. Cytokine-mediated processes such as the activation of T helper 2 cells by IL-4 and IL-13, the resolution of inflammation by IL-9, IL-5-induced eosinophil expansion, IL-33-mediated macrophage polarization, the production of IL-10 by regulatory B cells and IL-27-mediated suppression of lymphoid follicle formation are all involved in governing the regulation and resolution of inflammation in RA. By better understanding these immune-regulatory signalling pathways, new therapeutic strategies for RA can be envisioned that aim to balance and resolve, rather than suppress, inflammation.
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Affiliation(s)
- Zhu Chen
- Department of Rheumatology and Immunology, The First Affiliated Hospital of the University of Science and Technology of China, Division of Life Sciences and Medicine, University of Science and Technology of China, Hefei, China
| | - Aline Bozec
- Department of Internal Medicine 3, Friedrich Alexander University Erlangen-Nuremberg and Universitatsklinikum Erlangen, Erlangen, Germany
| | - Andreas Ramming
- Department of Internal Medicine 3, Friedrich Alexander University Erlangen-Nuremberg and Universitatsklinikum Erlangen, Erlangen, Germany
| | - Georg Schett
- Department of Internal Medicine 3, Friedrich Alexander University Erlangen-Nuremberg and Universitatsklinikum Erlangen, Erlangen, Germany.
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4
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Rodríguez-Carrio J, López P, Alperi-López M, Caminal-Montero L, Ballina-García FJ, Suárez A. IRF4 and IRGs Delineate Clinically Relevant Gene Expression Signatures in Systemic Lupus Erythematosus and Rheumatoid Arthritis. Front Immunol 2019; 9:3085. [PMID: 30666255 PMCID: PMC6330328 DOI: 10.3389/fimmu.2018.03085] [Citation(s) in RCA: 11] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/10/2018] [Accepted: 12/13/2018] [Indexed: 12/26/2022] Open
Abstract
Introduction: Overactivation of the type I interferon (IFN) signature has been observed in several systemic autoimmune conditions, such as Systemic Lupus Erythematosus (SLE) or Rheumatoid Arthritis (RA). Impaired control of Interferon-Responding Genes (IRGs) expression by their regulatory mechanisms, including Interferon Regulatory Factors (IRFs), may underlie these findings and it may explain the heterogeneity observed among these conditions. In the present study we aimed to evaluate the associations between IRF4 gene expression and those of IRGs in SLE and RA patients to gain insight about its links with the IFN signature as well as to explore the potential clinical relevance of these associations. Methods: The gene expression of IRF4 and IRGs (IFI44, IFI44L, IFI6, and MX1) in peripheral blood was analyzed in 75 SLE patients, 98 RA patients, and 28 healthy controls. A group of 13 biological-naïve RA patients was prospectively followed upon TNFα-blockade. The associations among IRF4 and IRGs were evaluated by principal component analyses (PCA), correlations and network analyses. Publicly available datasets were used for replication. Results: A broad activation of IRGs was observed in autoimmune patients, although certain heterogeneity can be distinguished, whereas IRF4 was only upregulated in RA. The differential expression of IRF4 in RA was then confirmed in publicly available gene expression datasets. PCA revealed different associations among IRF4 and IRGs in each condition, which was later confirmed by correlation and network analyses. Cluster analysis identified 3 gene expression signatures on the basis of IRF4 and IRGs expression which were differentially used by SLE and RA patients. Cluster III was associated with markers of disease severity in SLE patients. Cluster II, hallmarked by IRF4 upregulation, was linked to clinical stage and mild disease course in RA. TNFα-blockade led to changes in the association between IRF4 and IRGs, whereas increasing IRF4 expression was associated with a good clinical outcome in RA. Conclusions: The differential expression of IRF4 and IRGs observed in SLE and RA can delineate gene expression signatures associated with clinical features and treatment outcomes. These results support a clinically-relevant phenomenon of shaping of the IFN signature by IRF4 in autoimmune patients.
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Affiliation(s)
- Javier Rodríguez-Carrio
- Area of Immunology, Department of Functional Biology, Faculty of Medicine, University of Oviedo, Oviedo, Spain.,Instituto de Investigación Sanitaria del Principado de Asturias (ISPA), Oviedo, Spain.,Bone and Mineral Research Unit, REDinREN del ISCIII, Hospital Universitario Central de Asturias, Oviedo, Spain
| | - Patricia López
- Area of Immunology, Department of Functional Biology, Faculty of Medicine, University of Oviedo, Oviedo, Spain.,Instituto de Investigación Sanitaria del Principado de Asturias (ISPA), Oviedo, Spain
| | - Mercedes Alperi-López
- Instituto de Investigación Sanitaria del Principado de Asturias (ISPA), Oviedo, Spain.,Department of Rheumatology, Hospital Universitario Central de Asturias, Oviedo, Spain
| | - Luis Caminal-Montero
- Instituto de Investigación Sanitaria del Principado de Asturias (ISPA), Oviedo, Spain.,Department of Internal Medicine, Hospital Universitario Central de Asturias, Oviedo, Spain
| | - Francisco J Ballina-García
- Instituto de Investigación Sanitaria del Principado de Asturias (ISPA), Oviedo, Spain.,Department of Rheumatology, Hospital Universitario Central de Asturias, Oviedo, Spain
| | - Ana Suárez
- Area of Immunology, Department of Functional Biology, Faculty of Medicine, University of Oviedo, Oviedo, Spain.,Instituto de Investigación Sanitaria del Principado de Asturias (ISPA), Oviedo, Spain
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5
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Nehmar R, Mariotte A, de Cauwer A, Sibilia J, Bahram S, Georgel P. Therapeutic Perspectives for Interferons and Plasmacytoid Dendritic Cells in Rheumatoid Arthritis. Trends Mol Med 2018. [DOI: 10.1016/j.molmed.2018.02.001] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/12/2022]
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6
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Nehmar R, Alsaleh G, Voisin B, Flacher V, Mariotte A, Saferding V, Puchner A, Niederreiter B, Vandamme T, Schabbauer G, Kastner P, Chan S, Kirstetter P, Holcmann M, Mueller C, Sibilia J, Bahram S, Blüml S, Georgel P. Therapeutic Modulation of Plasmacytoid Dendritic Cells in Experimental Arthritis. Arthritis Rheumatol 2017; 69:2124-2135. [PMID: 28777892 DOI: 10.1002/art.40225] [Citation(s) in RCA: 13] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/20/2016] [Accepted: 07/25/2017] [Indexed: 01/17/2023]
Abstract
OBJECTIVE The role of plasmacytoid dendritic cells (PDCs) and type I interferons (IFNs) in rheumatoid arthritis (RA) remains a subject of controversy. This study was undertaken to explore the contribution of PDCs and type I IFNs to RA pathogenesis using various animal models of PDC depletion and to monitor the effect of localized PDC recruitment and activation on joint inflammation and bone damage. METHODS Mice with K/BxN serum-induced arthritis, collagen-induced arthritis, and human tumor necrosis factor transgene insertion were studied. Symptoms were evaluated by visual scoring, quantification of paw swelling, determination of cytokine levels by enzyme-linked immunosorbent assay, and histologic analysis. Imiquimod-dependent therapeutic effects were monitored by transcriptome analysis (using quantitative reverse transcriptase-polymerase chain reaction) and flow cytometric analysis of the periarticular tissue. RESULTS PDC-deficient mice showed exacerbation of inflammatory and arthritis symptoms after arthritogenic serum transfer. In contrast, enhancing PDC recruitment and activation to arthritic joints by topical application of the Toll-like receptor 7 (TLR-7) agonist imiquimod significantly ameliorated arthritis in various mouse models. Imiquimod induced an IFN signature and led to reduced infiltration of inflammatory cells. CONCLUSION The therapeutic effects of imiquimod on joint inflammation and bone destruction are dependent on TLR-7 sensing by PDCs and type I IFN signaling. Our findings indicate that local recruitment and activation of PDCs represents an attractive therapeutic opportunity for RA patients.
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Affiliation(s)
- Ramzi Nehmar
- Université de Strasbourg, INSERM, IRM UMR-S 1109, Fédération de Médecine Translationnelle de Strasbourg, Faculté de Médecine, and Fédération Hospitalo-Universitaire, OMICARE, Centre de Recherche d'Immunologie et d'Hématologie, Strasbourg, France
| | - Ghada Alsaleh
- Université de Strasbourg, INSERM, IRM UMR-S 1109, Fédération de Médecine Translationnelle de Strasbourg, Faculté de Médecine, and Fédération Hospitalo-Universitaire, OMICARE, Centre de Recherche d'Immunologie et d'Hématologie, Strasbourg, France
| | - Benjamin Voisin
- Université de Strasbourg, CNRS UPR 3572, Laboratory of Immunopathology and Therapeutic Chemistry/Laboratory of Excellence MEDALIS, Institut de Biologie Moléculaire et Cellulaire, Strasbourg, France
| | - Vincent Flacher
- Université de Strasbourg, CNRS UPR 3572, Laboratory of Immunopathology and Therapeutic Chemistry/Laboratory of Excellence MEDALIS, Institut de Biologie Moléculaire et Cellulaire, Strasbourg, France
| | - Alexandre Mariotte
- Université de Strasbourg, INSERM, IRM UMR-S 1109, Fédération de Médecine Translationnelle de Strasbourg, Faculté de Médecine, and Fédération Hospitalo-Universitaire, OMICARE, Centre de Recherche d'Immunologie et d'Hématologie, Strasbourg, France
| | | | - Antonia Puchner
- Internal Medicine 3, Medical University of Vienna, Vienna, Austria
| | | | - Thierry Vandamme
- Université de Strasbourg, CNRS UMR 7199, Faculté de Pharmacie, Illkirch, France
| | - Gernot Schabbauer
- Center for Physiology and Pharmacology, Medical University of Vienna, Vienna, Austria
| | - Philippe Kastner
- Institut de Génétique et de Biologie Moléculaire et Cellulaire, Université de Strasbourg, INSERM U964, CNRS UMR 7104, Illkirch, France
| | - Susan Chan
- Institut de Génétique et de Biologie Moléculaire et Cellulaire, Université de Strasbourg, INSERM U964, CNRS UMR 7104, Illkirch, France
| | - Peggy Kirstetter
- Institut de Génétique et de Biologie Moléculaire et Cellulaire, Université de Strasbourg, INSERM U964, CNRS UMR 7104, Illkirch, France
| | - Martin Holcmann
- Comprehensive Cancer Center, Medical University of Vienna, Vienna, Austria
| | - Christopher Mueller
- Université de Strasbourg, CNRS UPR 3572, Laboratory of Immunopathology and Therapeutic Chemistry/Laboratory of Excellence MEDALIS, Institut de Biologie Moléculaire et Cellulaire, Strasbourg, France
| | - Jean Sibilia
- Université de Strasbourg, INSERM, IRM UMR-S 1109, Fédération de Médecine Translationnelle de Strasbourg, Faculté de Médecine, and Fédération Hospitalo-Universitaire, OMICARE, Centre de Recherche d'Immunologie et d'Hématologie, Strasbourg, France
| | - Seiamak Bahram
- Université de Strasbourg, INSERM, IRM UMR-S 1109, Fédération de Médecine Translationnelle de Strasbourg, Faculté de Médecine, and Fédération Hospitalo-Universitaire, OMICARE, Centre de Recherche d'Immunologie et d'Hématologie, Strasbourg, France
| | - Stephan Blüml
- Internal Medicine 3, Medical University of Vienna, Vienna, Austria
| | - Philippe Georgel
- Université de Strasbourg, INSERM, IRM UMR-S 1109, Fédération de Médecine Translationnelle de Strasbourg, Faculté de Médecine, and Fédération Hospitalo-Universitaire, OMICARE, Centre de Recherche d'Immunologie et d'Hématologie, Strasbourg, France
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Haanstra KG, Jonker M, 't Hart BA. An Evaluation of 20 Years of EU Framework Programme-Funded Immune-Mediated Inflammatory Translational Research in Non-Human Primates. Front Immunol 2016; 7:462. [PMID: 27872622 PMCID: PMC5098224 DOI: 10.3389/fimmu.2016.00462] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/05/2016] [Accepted: 10/17/2016] [Indexed: 12/26/2022] Open
Abstract
Aging western societies are facing an increasing prevalence of chronic inflammatory and degenerative diseases for which often no effective treatments exist, resulting in increasing health-care expenditure. Despite high investments in drug development, the number of promising new drug candidates decreases. We propose that preclinical research in non-human primates can help to bridge the gap between drug discovery and drug prescription. Translational research covers various stages of drug development of which preclinical efficacy tests in valid animal models is usually the last stage. Preclinical research in non-human primates may be essential in the evaluation of new drugs or therapies when a relevant rodent model is not available. Non-human primate models for life-threatening or severely debilitating diseases in humans are available at the Biomedical Primate Research Centre (BPRC). These have been instrumental in translational research for several decades. In order to stimulate European health research and innovation from bench to bedside, the European Commission has invested heavily in access to non-human primate research for more than 20 years. BPRC has hosted European users in a series of transnational access programs covering a wide range of research areas with the common theme being immune-mediated inflammatory disorders. We present an overview of the results and give an account of the studies performed as part of European Union Framework Programme (EU FP)-funded translational non-human primate research performed at the BPRC. These data illustrate the value of translational non-human primate research for the development of new therapies and emphasize the importance of EU FP funding in drug development.
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Affiliation(s)
- Krista G Haanstra
- Department of Immunobiology, Biomedical Primate Research Centre , Rijswijk , Netherlands
| | - Margreet Jonker
- Department of Immunobiology, Biomedical Primate Research Centre, Rijswijk, Netherlands; Department of Immunohematology, Leiden University Medical Center, Leiden, Netherlands
| | - Bert A 't Hart
- Department of Immunobiology, Biomedical Primate Research Centre, Rijswijk, Netherlands; Department of Neuroscience, University Medical Center, University of Groningen, Groningen, Netherlands
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Bevaart L, Aalbers CJ, Vierboom MPM, Broekstra N, Kondova I, Breedveld E, Hauck B, Wright JF, Tak PP, Vervoordeldonk MJ. Safety, Biodistribution, and Efficacy of an AAV-5 Vector Encoding Human Interferon-Beta (ART-I02) Delivered via Intra-Articular Injection in Rhesus Monkeys with Collagen-Induced Arthritis. HUM GENE THER CL DEV 2016; 26:103-12. [PMID: 26086763 DOI: 10.1089/humc.2015.009] [Citation(s) in RCA: 15] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/11/2022] Open
Abstract
Preclinical studies to assess biodistribution, safety, and initial efficacy of ART-I02, an adeno-associated type 5 (rAAV5) vector expressing human interferon β (hIFN-β), were performed in a total of 24 rhesus monkeys with collagen-induced arthritis. All monkeys were naïve or showed limited neutralizing antibody (Nab) titers to AAV5 at the start of the study. Animals were injected with a single intra-articular dose of ART-I02 or placebo, consisting of 3.2×10(13) vg (Dose A=maximum feasible dose), 4.58×10(12) vg (Dose B), or placebo in the first affected finger joint, the ipsilateral knee, and ankle joint at the same time point. Animals were monitored for clinical parameters and well-being with a maximum of 4 weeks, with the option that the severity of arthritis could necessitate an earlier time point of sacrifice. No adverse events were noted after injection of ART-I02. No abnormalities were observed after histological evaluation of all organs. At both dose levels, immunohistochemical staining indicated expression of hIFN-β. In animals injected with Dose A, we observed stabilization or a reduction in swelling in the finger joint in which vector was administered. The highest copy numbers of vector DNA were detected in synovial tissue of the injected joint and the draining lymph node of the injected knee. High titers of Nab to rAAV5 were observed at the end of the study. Five monkeys developed an rAAV5-specific T-cell response. Two monkeys developed Nab to hIFN-β. In conclusion, intra-articular injection of ART-I02 was well-tolerated and did not induce adverse events. After administration of Dose A of ART-I02, we observed a beneficial effect on joint swelling, substantiated by decreased histological inflammation and bone erosion scores. A GMP vector for clinical application has been manufactured and is currently being tested in GLP rodent studies, with the aim to move forward to a clinical trial.
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Affiliation(s)
| | - Caroline J Aalbers
- 1 Arthrogen B.V., Amsterdam 1105 BA, The Netherlands .,2 Division of Clinical Immunology and Rheumatology, Academic Medical Center/University of Amsterdam , 1105 AZ, The Netherlands
| | - Michel P M Vierboom
- 3 Department of Immunobiology, Biomedical Primate Research Centre , Rijswijk 2288 GH, The Netherlands
| | | | - Ivanela Kondova
- 3 Department of Immunobiology, Biomedical Primate Research Centre , Rijswijk 2288 GH, The Netherlands
| | - Elia Breedveld
- 3 Department of Immunobiology, Biomedical Primate Research Centre , Rijswijk 2288 GH, The Netherlands
| | - Bernd Hauck
- 4 Center for Cellular and Molecular Therapeutics, Children's Hospital of Philadelphia , Philadelphia, PA 19104
| | - J Fraser Wright
- 4 Center for Cellular and Molecular Therapeutics, Children's Hospital of Philadelphia , Philadelphia, PA 19104
| | - Paul Peter Tak
- 1 Arthrogen B.V., Amsterdam 1105 BA, The Netherlands .,2 Division of Clinical Immunology and Rheumatology, Academic Medical Center/University of Amsterdam , 1105 AZ, The Netherlands
| | - Margriet J Vervoordeldonk
- 1 Arthrogen B.V., Amsterdam 1105 BA, The Netherlands .,2 Division of Clinical Immunology and Rheumatology, Academic Medical Center/University of Amsterdam , 1105 AZ, The Netherlands
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9
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Aalbers CJ, Bevaart L, Loiler S, de Cortie K, Wright JF, Mingozzi F, Tak PP, Vervoordeldonk MJ. Preclinical Potency and Biodistribution Studies of an AAV 5 Vector Expressing Human Interferon-β (ART-I02) for Local Treatment of Patients with Rheumatoid Arthritis. PLoS One 2015; 10:e0130612. [PMID: 26107769 PMCID: PMC4479517 DOI: 10.1371/journal.pone.0130612] [Citation(s) in RCA: 23] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/24/2014] [Accepted: 05/21/2015] [Indexed: 01/09/2023] Open
Abstract
Introduction Proof of concept for local gene therapy for the treatment of arthritis with immunomodulatory cytokine interferon beta (IFN-β) has shown promising results in animal models of rheumatoid arthritis (RA). For the treatment of RA patients, we engineered a recombinant adeno-associated serotype 5 vector (rAAV5) encoding human (h)IFN-β under control of a nuclear factor κB promoter (ART-I02). Methods The potency of ART-I02 in vitro as well as biodistribution in vivo in arthritic animals was evaluated to characterize the vector prior to clinical application. ART-I02 expression and bioactivity after transduction was evaluated in fibroblast-like synoviocytes (FLS) from different species. Biodistribution of the vector after local injection was assessed in a rat adjuvant arthritis model through qPCR analysis of vector DNA. In vivo imaging was used to investigate transgene expression and kinetics in a mouse collagen induced arthritis model. Results Transduction of RA FLS in vitro with ART-I02 resulted in high expression levels of bioactive hIFN-β. Transduction of FLS from rhesus monkeys, rodents and rabbits with ART-I02 showed high transgene expression, and hIFN-β proved bioactive in FLS from rhesus monkeys. Transgene expression and bioactivity in RA FLS were unaltered in the presence of methotrexate. In vivo, vector biodistribution analysis in rats after intra-articular injection of ART-I02 demonstrated that the majority of vector DNA remained in the joint (>93%). In vivo imaging in mice confirmed local expression of rAAV5 in the knee joint region and demonstrated rapid detectable and sustained expression up until 7 weeks. Conclusions These data show that hIFN-β produced by RA FLS transduced with ART-I02 is bioactive and that intra-articular delivery of rAAV5 drives expression of a therapeutic transgene in the joint, with only limited biodistribution of vector DNA to other tissues, supporting progress towards a phase 1 clinical trial for the local treatment of arthritis in patients with RA.
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MESH Headings
- Animals
- Arthritis, Experimental/therapy
- Arthritis, Rheumatoid/drug therapy
- Arthritis, Rheumatoid/therapy
- Cells, Cultured
- Cytokines/biosynthesis
- Dependovirus/genetics
- Gene Expression/drug effects
- Genes, Synthetic
- Genetic Therapy
- Genetic Vectors/administration & dosage
- Genetic Vectors/genetics
- Genetic Vectors/pharmacokinetics
- Genetic Vectors/therapeutic use
- Humans
- Injections, Intra-Articular
- Interferon-beta/genetics
- Macaca mulatta
- Male
- Methotrexate/pharmacology
- Methotrexate/therapeutic use
- Mice
- Mice, Inbred DBA
- NF-kappa B/genetics
- Promoter Regions, Genetic/genetics
- Rabbits
- Rats
- Rats, Inbred Lew
- Specific Pathogen-Free Organisms
- Synovial Membrane/cytology
- Synovial Membrane/virology
- Tissue Distribution
- Transduction, Genetic
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Affiliation(s)
- Caroline J. Aalbers
- Arthrogen B.V., Amsterdam, the Netherlands
- Division of Clinical Immunology and Rheumatology, Academic Medical Center/University of Amsterdam, Amsterdam, the Netherlands
- * E-mail:
| | - Lisette Bevaart
- Arthrogen B.V., Amsterdam, the Netherlands
- Division of Clinical Immunology and Rheumatology, Academic Medical Center/University of Amsterdam, Amsterdam, the Netherlands
| | - Scott Loiler
- Arthrogen B.V., Amsterdam, the Netherlands
- Division of Clinical Immunology and Rheumatology, Academic Medical Center/University of Amsterdam, Amsterdam, the Netherlands
| | - Karin de Cortie
- Arthrogen B.V., Amsterdam, the Netherlands
- Division of Clinical Immunology and Rheumatology, Academic Medical Center/University of Amsterdam, Amsterdam, the Netherlands
| | - J. Fraser Wright
- Center for Cellular and Molecular Therapeutics, The Children's Hospital of Philadelphia, Pennsylvania, United States of America
- Department of Pathology and Laboratory Medicine, University of Pennsylvania School of Medicine, Philadelphia, Pennsylvania, United States of America
| | - Federico Mingozzi
- University Pierre & Marie Curie, Paris, France
- Genethon, Evry, France
| | - Paul P. Tak
- Arthrogen B.V., Amsterdam, the Netherlands
- Division of Clinical Immunology and Rheumatology, Academic Medical Center/University of Amsterdam, Amsterdam, the Netherlands
| | - Margriet J. Vervoordeldonk
- Arthrogen B.V., Amsterdam, the Netherlands
- Division of Clinical Immunology and Rheumatology, Academic Medical Center/University of Amsterdam, Amsterdam, the Netherlands
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10
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Bevaart L, Aalbers CC, Vierboom M, Broekstra N, Kondova I, Breedveld E, Hauck B, Wright F, Tak PP, Vervoordeldonk MJ. SAFETY, BIODISTRIBUTION, AND EFFICACY OF AN AAV-5 VECTOR ENCODING HUMAN INTERFERON-BETA (ART-I02) DELIVERED VIA INTRA-ARTICULAR INJECTION IN RHESUS MONKEYS WITH COLLAGEN-INDUCED ARTHRITIS. HUM GENE THER CL DEV 2015. [DOI: 10.1089/hum.2015.009] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/12/2022] Open
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11
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Type I IFNs as biomarkers in rheumatoid arthritis: towards disease profiling and personalized medicine. Clin Sci (Lond) 2014; 128:449-64. [DOI: 10.1042/cs20140554] [Citation(s) in RCA: 30] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/24/2022]
Abstract
RA (rheumatoid arthritis) is a chronic rheumatic condition hallmarked by joint inflammation and destruction by self-reactive immune responses. Clinical management of RA patients is often hampered by its heterogeneous nature in both clinical presentation and outcome, thereby highlighting the need for new predictive biomarkers. In this sense, several studies have recently revealed a role for type I IFNs (interferons), mainly IFNα, in the pathogenesis of a subset of RA patients. Genetic variants associated with the type I IFN pathway have been linked with RA development, as well as with clinical features. Moreover, a role for IFNα as a trigger for RA development has also been described. Additionally, a type I IFN signature has been associated with the early diagnosis of RA and clinical outcome prediction in patients undergoing biological drug treatment, two challenging issues for decision-making in the clinical setting. Moreover, these cytokines have been related to endothelial damage and vascular repair failure in different autoimmune disorders. Therefore, together with chronic inflammation and disease features, they could probably account for the increased cardiovascular disease morbidity and mortality of these patients. The main aim of the present review is to provide recent evidence supporting a role for type I IFNs in the immunopathology of RA, as well as to analyse their possible role as biomarkers for disease management.
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12
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Eshleman EM, Lenz LL. Type I interferons in bacterial infections: taming of myeloid cells and possible implications for autoimmunity. Front Immunol 2014; 5:431. [PMID: 25309533 PMCID: PMC4161047 DOI: 10.3389/fimmu.2014.00431] [Citation(s) in RCA: 31] [Impact Index Per Article: 3.1] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/19/2014] [Accepted: 08/23/2014] [Indexed: 01/13/2023] Open
Abstract
Type I interferons (IFNs) were first described for their ability to protect the host from viral infections and may also have beneficial effects under specific conditions within some bacterial infections. Yet, these pleiotropic cytokines are now known to exacerbate infections by numerous life-threatening bacteria, including the intracellular pathogens Listeria monocytogenes and Mycobacterium tuberculosis. The evidence that such detrimental effects occur during bacterial infections in both animals and humans argues for selective pressure. In this review, we summarize the evidence demonstrating a pro-bacterial role for type I IFNs and discuss possible mechanisms that have been proposed to explain such effects. The theme emerges that type I IFNs act to suppress myeloid cell immune responses. The evolutionary conservation of such anti-inflammatory effects, particularly in the context of infections, suggests they may be important for limiting chronic inflammation. Given the effectiveness of type I IFNs in treatment of certain autoimmune diseases, their production may also act to raise the threshold for activation of immune responses to self-antigens.
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Affiliation(s)
- Emily M Eshleman
- Department of Immunology and Microbiology, University of Colorado School of Medicine , Aurora, CO , USA
| | - Laurel L Lenz
- Department of Immunology and Microbiology, University of Colorado School of Medicine , Aurora, CO , USA ; Department of Biomedical Research, National Jewish Health , Denver, CO , USA
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13
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Berrih-Aknin S. Myasthenia Gravis: paradox versus paradigm in autoimmunity. J Autoimmun 2014; 52:1-28. [PMID: 24934596 DOI: 10.1016/j.jaut.2014.05.001] [Citation(s) in RCA: 85] [Impact Index Per Article: 8.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/29/2014] [Accepted: 05/07/2014] [Indexed: 12/12/2022]
Abstract
Myasthenia Gravis (MG) is a paradigm of organ-specific autoimmune disease (AID). It is mediated by antibodies that target the neuromuscular junction. The purpose of this review is to place MG in the general context of autoimmunity, to summarize the common mechanisms between MG and other AIDs, and to describe the specific mechanisms of MG. We have chosen the most common organ-specific AIDs to compare with MG: type 1 diabetes mellitus (T1DM), autoimmune thyroid diseases (AITD), multiple sclerosis (MS), some systemic AIDs (systemic lupus erythematous (SLE), rheumatoid arthritis (RA), Sjogren's syndrome (SS)), as well as inflammatory diseases of the gut and liver (celiac disease (CeD), Crohn's disease (CD), and primary biliary cirrhosis (PBC)). Several features are similar between all AIDs, suggesting that common pathogenic mechanisms lead to their development. In this review, we address the predisposing factors (genetic, epigenetic, hormones, vitamin D, microbiota), the triggering components (infections, drugs) and their interactions with the immune system [1,2]. The dysregulation of the immune system is detailed and includes the role of B cells, Treg cells, Th17 and cytokines. We particularly focused on the role of TNF-α and interferon type I whose role in MG is very analogous to that in several other AIDS. The implication of AIRE, a key factor in central tolerance is also discussed. Finally, if MG is a prototype of AIDS, it has a clear specificity compared to the other AIDS, by the fact that the target organ, the muscle, is not the site of immune infiltration and B cell expansion, but exclusively that of antibody-mediated pathogenic mechanisms. By contrast, the thymus in the early onset subtype frequently undergoes tissue remodeling, resulting in the development of ectopic germinal centers surrounded by high endothelial venules (HEV), as observed in the target organs of many other AIDs.
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Affiliation(s)
- Sonia Berrih-Aknin
- Sorbonne Universités, UPMC Univ Paris 06, Myology Research Center UM76, F-75013 Paris, France; INSERM U974, F-75013 Paris, France; CNRS FRE 3617, F-75013 Paris, France; Institute of Myology, F-75013 Paris, France.
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Dunn SL, Wilkinson JM, Crawford A, Le Maitre CL, Bunning RAD. Cannabinoid WIN-55,212-2 mesylate inhibits interleukin-1β induced matrix metalloproteinase and tissue inhibitor of matrix metalloproteinase expression in human chondrocytes. Osteoarthritis Cartilage 2014; 22:133-44. [PMID: 24211233 DOI: 10.1016/j.joca.2013.10.016] [Citation(s) in RCA: 34] [Impact Index Per Article: 3.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 05/29/2013] [Revised: 10/22/2013] [Accepted: 10/26/2013] [Indexed: 02/02/2023]
Abstract
OBJECTIVE Interleukin-1β (IL-1β) is involved in the up-regulation of matrix metalloproteinases (MMPs) leading to cartilage degradation. Cannabinoids are anti-inflammatory and reduce joint damage in animal models of arthritis. This study aimed to determine a mechanism whereby the synthetic cannabinoid WIN-55,212-2 mesylate (WIN-55) may inhibit cartilage degradation. METHODS Effects of WIN-55 were studied on IL-1β stimulated production of MMP-3 and -13 and their inhibitors TIMP-1 and -2 in human chondrocytes. Chondrocytes were obtained from articular cartilage of patients undergoing total knee replacement. Chondrocytes were grown in monolayer and 3D alginate bead cultures. Real-time polymerase chain reaction (PCR) was used to determine the gene expression of MMP-3, -13, TIMP-1 and -2 and Enzyme Linked Immunosorbent Assay (ELISA) to measure the amount of MMP-3 and MMP-13 protein released into media. Immunocytochemistry was used to investigate the expression of cannabinoid receptors in chondrocyte cultures. RESULTS Treatment with WIN-55 alone or in combination with IL-1β, decreased or abolished MMP-3, -13, TIMP-1 and -2 gene expression in human chondrocyte monolayer and alginate bead cultures in both a concentration and time dependent manner. WIN-55 treatment alone, and in combination with IL-1β, reduced MMP-3 and -13 protein production by chondrocytes cultured in alginate beads. Immunocytochemistry demonstrated the expression of cannabinoid receptors in chondrocyte cultures. CONCLUSION Cannabinoid WIN-55 can reduce both basal and IL-1β stimulated gene and protein expression of MMP-3 and -13. However WIN-55 also decreased basal levels of TIMP-1 and -2 mRNA. These actions of WIN-55 suggest a mechanism by which cannabinoids may act to prevent cartilage breakdown in arthritis.
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Affiliation(s)
- S L Dunn
- Biomedical Research Centre, Faculty of Health and Wellbeing, Sheffield Hallam University, Sheffield S1 1WB, UK.
| | - J M Wilkinson
- Academic Unit of Bone Metabolism, Department of Human Metabolism, University of Sheffield, UK.
| | - A Crawford
- Centre for Biomaterials & Tissue Engineering, University of Sheffield, School of Clinical Dentistry, UK.
| | - C L Le Maitre
- Biomedical Research Centre, Faculty of Health and Wellbeing, Sheffield Hallam University, Sheffield S1 1WB, UK.
| | - R A D Bunning
- Biomedical Research Centre, Faculty of Health and Wellbeing, Sheffield Hallam University, Sheffield S1 1WB, UK.
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16
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Evans CH, Ghivizzani SC, Robbins PD. Arthritis gene therapy and its tortuous path into the clinic. Transl Res 2013; 161:205-16. [PMID: 23369825 PMCID: PMC3602127 DOI: 10.1016/j.trsl.2013.01.002] [Citation(s) in RCA: 53] [Impact Index Per Article: 4.8] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 11/19/2012] [Revised: 01/09/2013] [Accepted: 01/09/2013] [Indexed: 12/29/2022]
Abstract
Arthritis is a disease of joints. The biology of joints makes them very difficult targets for drug delivery in a manner that is specific and selective. This is especially true for proteinaceous drugs ("biologics"). Gene transfer is the only technology that can solve the delivery problem in a clinically reasonable fashion. There is an abundance of preclinical data confirming that genes can be efficiently transferred to tissues within joints by intra-articular injection using a variety of different vectors in conjunction with ex vivo and in vivo strategies. Using the appropriate gene transfer technologies, long-term, intra-articular expression of anti-arthritic transgenes at therapeutic concentrations can be achieved. Numerous studies confirm that gene therapy is effective in treating experimental models of rheumatoid arthritis (RA) and osteoarthritis (OA) in the laboratory. A limited number of clinical trials have been completed, which confirm safety and feasibility but only 3 protocols have reached phase II; as yet, there is no unambiguous evidence of efficacy in human disease. Only 2 clinical trials are presently underway, both phase II studies using allogeneic chondrocytes expressing transforming growth factor-β1 for the treatment of OA. Phase I studies using adeno-associated virus to deliver interleukin-1Ra in OA and interferon-β in RA are going through the regulatory process. It is to be hoped that the recent successes in treating rare, Mendelian diseases by gene therapy will lead to accelerated development of genetic treatments for common, non-Mendelian diseases, such as arthritis.
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Affiliation(s)
- Christopher H Evans
- Department of Orthopedic Surgery, Harvard Medical School, Boston, Mass., USA.
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Vierboom M, Breedveld E, Kondova I, 't Hart BA. The significance of non-human primates as preclinical models of human arthritic disease. Expert Opin Drug Discov 2013; 3:299-310. [PMID: 23480265 DOI: 10.1517/17460441.3.3.299] [Citation(s) in RCA: 9] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/05/2022]
Abstract
BACKGROUND The broad immunological gap between inbred SPF-raised strains of mice and rats and the diverse rheumatoid arthritis (RA) patient population limits the predictive value of the existing disease models for clinical success of new therapies, in particular for those using highly specific biologicals. OBJECTIVE This review argues that because of their closer immunological and physiological proximity to patients, disease models in non-human primates (NHPs) may bridge this gap and help reduce the failure of many (± 80%) new therapies in clinical trials. In various research areas, NHPs are an accepted intermediate between disease models in rodents and the ultimate introduction for clinical use in patients. However, with the exception of transplantation, this is not the case for immune-mediated inflammatory disorders, such as RA, although useful preclinical models are being developed. METHOD The validity and use of the rhesus monkey model of collagen-induced arthritis as a preclinical RA model is reviewed. The discussion comprises present genetic and immunological aspects, biomarkers, and an overview of published preclinical therapy evaluations. CONCLUSION It is time to consider the use of NHPs with a greater evolutionary proximity to humans as models for preclinical evaluation of new human-specific drugs for arthritic disease.
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Affiliation(s)
- Michel Vierboom
- Biomedical Primate Research Centre, Department of Immunobiology, PO Box 3306, 2280 GH Rijswijk, The Netherlands +31 15 284 2500 ; +31 15 284 2600 ;
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Robinson WH, Lindstrom TM, Cheung RK, Sokolove J. Mechanistic biomarkers for clinical decision making in rheumatic diseases. Nat Rev Rheumatol 2013; 9:267-76. [PMID: 23419428 DOI: 10.1038/nrrheum.2013.14] [Citation(s) in RCA: 71] [Impact Index Per Article: 6.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/15/2022]
Abstract
The use of biomarkers is becoming increasingly intrinsic to the practice of medicine and holds great promise for transforming the practice of rheumatology. Biomarkers have the potential to aid clinical diagnosis when symptoms are present or to provide a means of detecting early signs of disease when they are not. Some biomarkers can serve as early surrogates of eventual clinical outcomes or guide therapeutic decision making by enabling identification of individuals likely to respond to a specific therapy. Using biomarkers might reduce the costs of drug development by enabling individuals most likely to respond to be enrolled in clinical trials, thereby minimizing the number of participants required. In this Review, we discuss the current use and the potential of biomarkers in rheumatology and in select fields at the forefront of biomarker research. We emphasize the value of different types of biomarkers, addressing the concept of 'actionable' biomarkers, which can be used to guide clinical decision making, and 'mechanistic' biomarkers, a subtype of actionable biomarker that is embedded in disease pathogenesis and, therefore, represents a potentially superior biomarker. We provide examples of actionable and mechanistic biomarkers currently available, and discuss how development of such biomarkers could revolutionize clinical practice and drug development.
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Affiliation(s)
- William H Robinson
- VA Palo Alto Health Care System, 3801 Miranda Ave, Palo Alto, CA 94304, USA.
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Ludigs K, Parfenov V, Du Pasquier RA, Guarda G. Type I IFN-mediated regulation of IL-1 production in inflammatory disorders. Cell Mol Life Sci 2012; 69:3395-418. [PMID: 22527721 PMCID: PMC11115130 DOI: 10.1007/s00018-012-0989-2] [Citation(s) in RCA: 30] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/31/2011] [Revised: 03/14/2012] [Accepted: 04/03/2012] [Indexed: 02/07/2023]
Abstract
Although contributing to inflammatory responses and to the development of certain autoimmune pathologies, type I interferons (IFNs) are used for the treatment of viral, malignant, and even inflammatory diseases. Interleukin-1 (IL-1) is a strongly pyrogenic cytokine and its importance in the development of several inflammatory diseases is clearly established. While the therapeutic use of IL-1 blocking agents is particularly successful in the treatment of innate-driven inflammatory disorders, IFN treatment has mostly been appreciated in the management of multiple sclerosis. Interestingly, type I IFNs exert multifaceted immunomodulatory effects, including the reduction of IL-1 production, an outcome that could contribute to its efficacy in the treatment of inflammatory diseases. In this review, we summarize the current knowledge on IL-1 and IFN effects in different inflammatory disorders, the influence of IFNs on IL-1 production, and discuss possible therapeutic avenues based on these observations.
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Affiliation(s)
- Kristina Ludigs
- Department of Biochemistry, University of Lausanne, Epalinges, Switzerland.
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20
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Erdely A, Antonini JM, Salmen-Muniz R, Liston A, Hulderman T, Simeonova PP, Kashon ML, Li S, Gu JK, Stone S, Chen BT, Frazer DG, Zeidler-Erdely PC. Type I interferon and pattern recognition receptor signaling following particulate matter inhalation. Part Fibre Toxicol 2012; 9:25. [PMID: 22776377 PMCID: PMC3537608 DOI: 10.1186/1743-8977-9-25] [Citation(s) in RCA: 11] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Abstract] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/21/2011] [Accepted: 06/21/2012] [Indexed: 12/02/2022] Open
Abstract
Background Welding, a process that generates an aerosol containing gases and metal-rich particulates, induces adverse physiological effects including inflammation, immunosuppression and cardiovascular dysfunction. This study utilized microarray technology and subsequent pathway analysis as an exploratory search for markers/mechanisms of in vivo systemic effects following inhalation. Mice were exposed by inhalation to gas metal arc – stainless steel (GMA-SS) welding fume at 40 mg/m3 for 3 hr/d for 10 d and sacrificed 4 hr, 14 d and 28 d post-exposure. Whole blood cells, aorta and lung were harvested for global gene expression analysis with subsequent Ingenuity Pathway Analysis and confirmatory qRT-PCR. Serum was collected for protein profiling. Results The novel finding was a dominant type I interferon signaling network with the transcription factor Irf7 as a central component maintained through 28 d. Remarkably, these effects showed consistency across all tissues indicating a systemic type I interferon response that was complemented by changes in serum proteins (decreased MMP-9, CRP and increased VCAM1, oncostatin M, IP-10). In addition, pulmonary expression of interferon α and β and Irf7 specific pattern recognition receptors (PRR) and signaling molecules (Ddx58, Ifih1, Dhx58, ISGF3) were induced, an effect that showed specificity when compared to other inflammatory exposures. Also, a canonical pathway indicated a coordinated response of multiple PRR and associated signaling molecules (Tlr7, Tlr2, Clec7a, Nlrp3, Myd88) to inhalation of GMA-SS. Conclusion This methodological approach has the potential to identify consistent, prominent and/or novel pathways and provides insight into mechanisms that contribute to pulmonary and systemic effects following toxicant exposure.
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Affiliation(s)
- Aaron Erdely
- Pathology and Physiology Research Branch, Health Effects Laboratory Division, National Institute for Occupational Safety and Health, Morgantown, WV, USA.
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21
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Corr M, Boyle DL, Ronacher LM, Lew BR, van Baarsen LG, Tak PP, Firestein GS. Interleukin 1 receptor antagonist mediates the beneficial effects of systemic interferon beta in mice: implications for rheumatoid arthritis. Ann Rheum Dis 2011; 70:858-63. [PMID: 21216819 DOI: 10.1136/ard.2010.141077] [Citation(s) in RCA: 20] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/20/2022]
Abstract
OBJECTIVES Interferon beta (IFNβ) therapy is effective in multiple sclerosis and murine models of arthritis. Surprisingly, systemic IFNβ treatment induces only minimal improvement in rheumatoid arthritis (RA). To explain this paradox, the authors evaluated the mechanism of IFNβ benefit in passive K/BxN arthritis and the effect of IFNβ treatment on RA synovium. METHODS Interleukin 10 (IL-10) null, IL-1 receptor antagonist (IL-1Ra) null, IL-1Ra transgenic and wild-type mice were administered K/BxN serum and in some cases treated with IFNβ or normal saline. Clinical response and histological scores were assessed. Gene expression was measured by quantitative PCR. Serum IL-1Ra and IL-6 were measured by ELISA. Paired synovial biopsy specimens from RA patients pre-IFNβ and post-IFNβ treatment (purified natural fibroblast IFNβ (Frone) subcutaneously three times weekly 6 million IU, 12 million IU or 18 million IU) were immunostained for IL-1Ra and IL-10. RESULTS Il1rn transgenic mice had an attenuated course of arthritis, whereas Il1rn(-/-) and Il10(-/-) mice had more severe serum transfer arthritis than wild-type mice. Daily IFNβ treatment significantly decreased arthritis severity in Il10(-/-) but not Il1rn(-/-) mice. IFNβ treatment did not reduce the histological scores in Il1rn(-/-) mice or gene expression of articular cytokines and chemokines. Paired synovial biopsy specimens from RA patients treated with IFNβ demonstrated a trend towards increased IL-1Ra and reduced IL-10 expression on day 85 levels compared with pretreatment specimens. CONCLUSIONS The anti-inflammatory effects of IFNβ in passive K/BxN arthritis are dependent on IL-1Ra, but not IL-10. Systemic IFNβ treatment in RA increases synovial IL-1Ra production, but also decreases IL-10 production.
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Affiliation(s)
- Maripat Corr
- Correspondence to Dr Maripat Corr, Division of Rheumatology, Allergy and Immunology, University of California at San Diego, 9500 Gilman Drive, La Jolla, CA 92093, USA.
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Type I IFN and TNFα cross-regulation in immune-mediated inflammatory disease: basic concepts and clinical relevance. Arthritis Res Ther 2010; 12:219. [PMID: 21062511 PMCID: PMC2991015 DOI: 10.1186/ar3150] [Citation(s) in RCA: 73] [Impact Index Per Article: 5.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/12/2022] Open
Abstract
A cross-regulation between type I IFN and TNFα has been proposed recently, where both cytokines are hypothesized to counteract each other. According to this model, different autoimmune diseases can be viewed as disequilibrium between both cytokines. As this model may have important clinical implications, the present review summarizes and discusses the currently available clinical evidence arguing for or against the proposed cross-regulation between TNFα and type I IFN. In addition, we review how this cross-regulation works at the cellular and molecular levels. Finally, we discuss the clinical relevance of this proposed cross-regulation for biological therapies such as type I IFN or anti-TNFα treatment.
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Conigliaro P, Perricone C, Benson RA, Garside P, Brewer JM, Perricone R, Valesini G. The type I IFN system in rheumatoid arthritis. Autoimmunity 2010; 43:220-5. [PMID: 20166872 DOI: 10.3109/08916930903510914] [Citation(s) in RCA: 34] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Abstract] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/28/2022]
Abstract
Rheumatoid arthritis (RA) is a chronic inflammatory autoimmune disorder characterized by joint inflammation, immune cell infiltration of the synovia, and cartilage/bone destruction. Despite noteworthy progress in the treatment of RA in recent years, many patients remain refractory to current therapeutic strategies that target either the adaptive immune system or mediators of the innate system. Type I interferons (IFNs) play a significant role in regulation of the innate immune system, originally being discovered as part of intracellular immune defence against viral infection. IFNs are pleiotropic cytokines, mediating both immunostimulatory and immunosuppressive effects. IFN-alpha and beta have been detected in RA synovial fluid and tissue and subsequent therapeutic approaches using type I IFN in murine models of arthritis and in human RA have produced different and controversial results. Great interest has been directed toward principally plasmacytoid dendritic cells (pDCs), although also toward myeloid dendritic cells, as sources of type I IFN. Furthermore, manipulation of DC populations in murine RA models demonstrated that pDCs could suppress the development of arthritis and autoimmunity and may offer an attractive therapy for T-cell-mediated autoimmune diseases. Finally, dendritic cells (DCs) are vehicles for the delivery of therapeutic vaccines, and clinical trials are ongoing in RA with "tolerogenic" DC populations. Further, studies on animal models of RA will elucidate how IFN and DCs contribute to the establishment of autoimmune arthritis and the potential for manipulation of these cell populations and products to re-establish the immune tolerance.
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Affiliation(s)
- Paola Conigliaro
- Division of Rheumatology, Universita' degli studi di Roma Tor Vergata, Rome, Italy
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Abstract
Type I interferons are pleiotropic cytokines with antiviral, antitumor and immunoregulatory functions. An aspect of their complex biology is the paradox that, depending on context, type I interferons can be anti-inflammatory and tissue protective or can be proinflammatory and promote autoimmunity. Along these lines, the activation of type I interferon pathways is effective in suppressing disease activity in patients with multiple sclerosis and in animal models of arthritis and colitis, while there is an expectation that blockade of the same pathways will be beneficial in the treatment of patients with systemic lupus erythematosus.
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Affiliation(s)
- George D Kalliolias
- Arthritis and Tissue Degeneration Program and Department of Medicine, Hospital for Special Surgery, 535 East 70th Street, New York, NY 10021, USA
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Burmester GR, Lipsky PE, Dörner T. Kitasato symposium 2009: new prospects for cytokine inhibition. Arthritis Res Ther 2010; 11:301. [PMID: 20067593 PMCID: PMC3003512 DOI: 10.1186/ar2857] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/10/2022] Open
Abstract
The Kitasato Symposium 2009: New Prospects for Cytokine Inhibition was held in Berlin, Germany from 7 to 9 May 2009. The key aims of this meeting were to bring together a group of front-line researchers and rheumatologists to evaluate the use of cytokine blockade and to examine the role of certain cytokines in the pathogenesis of rheumatoid arthritis and other autoimmune diseases. A keynote lecture delivered by Professor Jean-Michel Dayer provided an up-to-date overview of the interactions occurring between the immune system and acute phase proteins. Other speakers discussed the role of cytokines in rheumatoid arthritis, including their role in joint destruction, as well as their regulatory role upon T cells and B cells. The involvement of cytokines in other autoimmune diseases was also addressed.
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Affiliation(s)
- Gerd R Burmester
- CC12, Charite Universitätsmedizin Berlin, Chariteplatz 01, 10098 Berlin, Germany.
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Strueby L, Nair B, Kirk A, Taylor-Gjevre RM. Arthritis and bursitis in multiple sclerosis patients treated with interferon‐beta. Scand J Rheumatol 2009; 34:485-8. [PMID: 16393774 DOI: 10.1080/03009740510026805] [Citation(s) in RCA: 8] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/25/2022]
Abstract
Interferon-beta (IFN-beta) is a type I interferon used in the management of multiple sclerosis. Therapy with IFN-beta has rarely been associated with the development of autoimmune disorders. We present the cases of two female patients diagnosed with relapsing-remitting multiple sclerosis (RRMS) who developed inflammatory musculoskeletal manifestations, following IFN-beta therapy. The first patient developed a monoarthritis 2 weeks after initiation of IFN-beta, which persisted during the 14 months of therapy and resolved with discontinuation of the medication. The second patient developed both autoimmune thyroid disease and a refractory pre-patellar bursitis after 50 months of IFN-beta therapy. Our literature review revealed an additional six cases of onset of inflammatory arthritis in MS patients receiving IFN-beta. We review these reports with comparison to our two cases. The role of IFN-beta in inflammatory musculoskeletal disease is unclear. The potential autoimmune complications of this therapeutic agent should be comprehended when monitoring patients receiving such treatment.
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Affiliation(s)
- L Strueby
- Division of Rheumatology, University of Saskatchewan, Canada
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Corr M, Boyle DL, Ronacher L, Flores N, Firestein GS. Synergistic benefit in inflammatory arthritis by targeting I kappaB kinase epsilon and interferon beta. Ann Rheum Dis 2008; 68:257-63. [PMID: 18653628 DOI: 10.1136/ard.2008.095356] [Citation(s) in RCA: 35] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/26/2022]
Abstract
OBJECTIVES The I kappaB kinase (IKK)-related kinase IKKepsilon regulates type I interferon expression and responses as well as proinflammatory mediator production. We examined the role of IKKepsilon in arthritis and its ability to enhance the therapeutic response to systemic interferon (IFN) beta therapy in passive murine K/BxN arthritis. METHODS IKKepsilon(-/-), IFN alpha(approximately)beta R(-/-) and wild type mice were given K/BxN serum and treated with polyinosinic polycytidylic acid (poly(I:C)), IFN beta, or normal saline. Clinical response and histological scores were assessed. Gene expression in the paws was measured by quantitative PCR. Serum interleukin 1a receptor agonist (IL1Ra) and IL10 were measured by ELISA and multiplex bead array. RESULTS Arthritis was almost completely blocked in wild type mice if arthritogenic K/BxN serum and the Toll-like receptor (TLR)3 ligand, poly(I:C), were coadministered at the onset of the model, but not in established disease. Mice deficient in IFN alpha(approximately)beta R had an accelerated course of arthritis, and did not respond to poly(I:C). IKKepsilon null mice had a modest decrease in clinical arthritis compared with heterozygous mice. Low doses of IFN beta that were ineffective in wild type mice significantly decreased clinical arthritis in IKKepsilon null mice. Articular chemokine gene expression was reduced in the IKKepsilon(-/-) mice with arthritis and secreted IL1Ra (sIL1Ra) mRNA was significantly increased. Serum levels of IL1Ra were increased in low dose IFN beta-treated IKKepsilon(-/-) mice. CONCLUSIONS Subtherapeutic doses of IFN beta enhance the anti-inflammatory effects of IKKepsilon deficiency, possibly by increasing production of IL1Ra and unmasking the antichemokine effects. Combination therapy with low dose IFN beta and an IKKepsilon inhibitor might improve efficacy of either agent alone and offers a novel approach to RA.
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Affiliation(s)
- M Corr
- Division of Rheumatology, Allergy and Immunology, University of California, San Diego, 9500 Gilman Drive, La Jolla, California 92093-0663, USA.
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Adriaansen J, Fallaux FJ, de Cortie CJ, Vervoordeldonk MJ, Tak PP. Local delivery of beta interferon using an adeno-associated virus type 5 effectively inhibits adjuvant arthritis in rats. J Gen Virol 2007; 88:1717-1721. [PMID: 17485531 PMCID: PMC2884954 DOI: 10.1099/vir.0.82603-0] [Citation(s) in RCA: 34] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/08/2023] Open
Abstract
Beta interferon (IFN-β) is a cytokine with potent immunomodulatory properties and has been described as a promising therapeutic molecule for the treatment of rheumatoid arthritis (RA). IFN-β was previously overexpressed intra-articularly using an adenoviral vector in rats with adjuvant arthritis (AA) as a model of RA. This effect was powerful, albeit transient due to the vector chosen. Therefore, in the context of pre-clinical development, a delivery vector optimized for intra-articular gene transfer, recombinant adeno-associated virus type 5 (rAAV5), was selected. To exert an optimal effect, protein production should parallel the course of the disease. For this reason, the gene for IFN-β was placed under the control of an inflammation-responsive [nuclear factor (NF)-κB] promoter. After intra-articular injection of the rAAV5 constructs in rats with AA, local transcription of the transgene and production of the IFN-β protein was found, leading to a pronounced and sustained effect on paw swelling when the expression was under the control of the NF-κB-responsive promoter. Additionally, a significant beneficial effect was observed on proteoglycan depletion and erosions. Thus, intra-articular overexpression of IFN-β using a rAAV5 vector exhibits potential as an innovative therapy for the treatment of RA.
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Affiliation(s)
- J. Adriaansen
- Clinical Immunology and Rheumatology, Academic Medical Center/University of Amsterdam, Amsterdam, The Netherlands
| | | | | | - M. J. Vervoordeldonk
- Clinical Immunology and Rheumatology, Academic Medical Center/University of Amsterdam, Amsterdam, The Netherlands
- Arthrogen BV, Amsterdam, The Netherlands
| | - P. P. Tak
- Clinical Immunology and Rheumatology, Academic Medical Center/University of Amsterdam, Amsterdam, The Netherlands
- Arthrogen BV, Amsterdam, The Netherlands
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Maldonado LMTP, Hernández VEB, Rivero EM, Barba de la Rosa AP, Flores JLF, Acevedo LGO, De León Rodríguez A. Optimization of culture conditions for a synthetic gene expression in Escherichia coli using response surface methodology: The case of human interferon beta. ACTA ACUST UNITED AC 2007; 24:217-22. [PMID: 17126075 DOI: 10.1016/j.bioeng.2006.10.001] [Citation(s) in RCA: 40] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/25/2006] [Revised: 09/30/2006] [Accepted: 10/13/2006] [Indexed: 10/24/2022]
Abstract
A human interferon beta (hINF-beta) synthetic gene was optimized and expressed in Escherichia coli BL21-SI using a vector with the T7 promoter. To determine the best culture conditions such as culture medium, temperature, cell density and inducer concentration, we used the response surface methodology and a Box-Behnken design to get the highest hINF-beta production. The maximum hINF-beta production of 61 mg l(-1) was attained using minimum medium and the following predicted optimal conditions: temperature of 32.5 degrees C, cell density of 0.64, and inducer concentration of 0.30 M NaCl. This is the first report showing the successful performance of the BL21-SI system in a minimum medium. The response surface methodology is effective for the optimization of recombinant protein production using synthetic genes.
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Affiliation(s)
- Luz M T Paz Maldonado
- Division of Molecular Biology, Institute for Scientific and Technological Research of San Luis Potosi, Apartado Postal 3-74, Tangamanga, 78231 San Luis Potosi, S.L.P., Mexico
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Olofsson P, Nerstedt A, Hultqvist M, Nilsson EC, Andersson S, Bergelin A, Holmdahl R. Arthritis suppression by NADPH activation operates through an interferon-beta pathway. BMC Biol 2007; 5:19. [PMID: 17490473 PMCID: PMC1884140 DOI: 10.1186/1741-7007-5-19] [Citation(s) in RCA: 19] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/18/2006] [Accepted: 05/09/2007] [Indexed: 11/10/2022] Open
Abstract
BACKGROUND A polymorphism in the activating component of the nicotinamide adenine dinucleotide phosphate (NADPH) oxidase complex, neutrophil cytosolic factor 1 (NCF1), has previously been identified as a regulator of arthritis severity in mice and rats. This discovery resulted in a search for NADPH oxidase-activating substances as a potential new approach to treat autoimmune disorders such as rheumatoid arthritis (RA). We have recently shown that compounds inducing NCF1-dependent oxidative burst, e.g. phytol, have a strong ameliorating effect on arthritis in rats. However, the underlying molecular mechanism is still not clearly understood. The aim of this study was to use gene-expression profiling to understand the protective effect against arthritis of activation of NADPH oxidase in the immune system. RESULTS Subcutaneous administration of phytol leads to an accumulation of the compound in the inguinal lymph nodes, with peak levels being reached approximately 10 days after administration. Hence, global gene-expression profiling on inguinal lymph nodes was performed 10 days after the induction of pristane-induced arthritis (PIA) and phytol administration. The differentially expressed genes could be divided into two pathways, consisting of genes regulated by different interferons. IFN-gamma regulated the pathway associated with arthritis development, whereas IFN-beta regulated the pathway associated with disease protection through phytol. Importantly, these two molecular pathways were also confirmed to differentiate between the arthritis-susceptible dark agouti (DA) rat, (with an Ncf-1DA allele that allows only low oxidative burst), and the arthritis-protected DA.Ncf-1E3 rat (with an Ncf1E3 allele that allows a stronger oxidative burst). CONCLUSION Naturally occurring genetic polymorphisms in the Ncf-1 gene modulate the activity of the NADPH oxidase complex, which strongly regulates the severity of arthritis. We now show that the Ncf-1 allele that enhances oxidative burst and protects against arthritis is operating through an IFN-beta-associated pathway, whereas the arthritis-driving allele operates through an IFN-gamma-associated pathway. Treatment of arthritis-susceptible rats with an NADPH oxidase-activating substance, phytol, protects against arthritis. Interestingly, the treatment led to a restoration of the oxidative-burst effect and induction of a strikingly similar IFN-beta-dependent pathway, as seen with the disease-protective Ncf1 polymorphism.
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Affiliation(s)
- Peter Olofsson
- Biovitrum AB, Arvid Wallgrens Backe 20, Göteborg, Sweden.
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31
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Vierboom MPM, Jonker M, Tak PP, 't Hart BA. Preclinical models of arthritic disease in non-human primates. Drug Discov Today 2007; 12:327-35. [PMID: 17395093 DOI: 10.1016/j.drudis.2007.02.012] [Citation(s) in RCA: 42] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/10/2006] [Revised: 01/29/2007] [Accepted: 02/20/2007] [Indexed: 11/18/2022]
Abstract
The costs for the development of new drugs have increased dramatically over the past 30 years. One of the main reasons for this increase is the low success rate of new drugs being approved for patient use, which is, in part, a consequence of the common use of rodent models for preclinical validation of efficacy. Especially in the development of biologicals, which are now successfully used in the treatment of rheumatoid arthritis, the selection of the right animal model is pivotal. Non-human primates could help to bridge the evolutionary gap between rodent models and human patients.
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Affiliation(s)
- Michel P M Vierboom
- Department of Immunobiology, Biomedical Primate Research Centre, Rijswijk, The Netherlands
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Adriaansen J, Kuhlman RR, van Holten J, Kaynor C, Vervoordeldonk MJBM, Tak PP. Intraarticular interferon-beta gene therapy ameliorates adjuvant arthritis in rats. Hum Gene Ther 2007; 17:985-96. [PMID: 16984225 DOI: 10.1089/hum.2006.17.985] [Citation(s) in RCA: 33] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/12/2022] Open
Abstract
Interferon (IFN)-beta has significant immunomodulatory properties and has received much interest as a potentially therapeutic agent for rheumatoid arthritis (RA). Systemic IFN-beta treatment of patients with RA was not effective, probably because of pharmacokinetic issues. Therefore, we studied the effect of local IFN-beta production by adenovirus-mediated gene transfer to the ankle joints of arthritic rats. Adjuvant arthritis (AA) in rats was used as a model to study intraarticular gene therapy with an adenoviral vector encoding the rat IFN-beta gene (Ad.IFN-beta). The effect on paw swelling was measured by water displacement plethysmometry. Synovial tissue of the hind paws was examined by immunohistochemistry. Bone destruction was analyzed on the basis of radiographs. In addition, quantitative real-time polymerase chain reaction was used to assess IFN-beta expression. Levels of IFN-beta mRNA and protein peaked 2 days after intraarticular injection and declined thereafter. Local delivery of Ad.IFN-beta after the onset of disease reduced paw swelling significantly. This was accompanied by a reduction in synovial inflammation. The clinical effects in rat AA lasted up to 9 days. Strikingly, Ad.IFN-beta treatment protected bone from erosion, reduced levels of c-Cbl and Cbl-b (both signaling molecules essential for osteoclast activity), and reduced the matrix metalloproteinase-3:tissue inhibitor of metalloproteinase-1 ratio in the joint. Immunohistochemical analysis of the synovial tissue revealed a clear shift toward a more antiinflammatory cytokine profile. Local overexpression of IFN-beta inhibits arthritis progression and protects against bone destruction in rat AA. These findings validate IFN-beta as a therapeutic molecule for intraarticular gene therapy of arthritis.
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Affiliation(s)
- J Adriaansen
- Division of Clinical Immunology and Rheumatology, Academic Medical Center, University of Amsterdam, The Netherlands
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Adriaansen J, Kuhlman R, Holten JV, Kaynor C, Vervoordeldonk M, Tak P. Intraarticular Interferon- ?Gene Therapy Ameliorates Adjuvant Arthritis in Rats. Hum Gene Ther 2006. [DOI: 10.1089/hum.2006.17.ft-243] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/12/2022] Open
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Adriaansen J, Vervoordeldonk MJBM, Tak PP. Gene therapy as a therapeutic approach for the treatment of rheumatoid arthritis: innovative vectors and therapeutic genes. Rheumatology (Oxford) 2006; 45:656-68. [PMID: 16510530 DOI: 10.1093/rheumatology/kel047] [Citation(s) in RCA: 47] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/27/2023] Open
Abstract
In recent years, significant progress has been made in the treatment of rheumatoid arthritis (RA). In addition to conventional therapy, novel biologicals targeting tumour necrosis factor-alpha have successfully entered the clinic. However, the majority of the patients still has some actively inflamed joints and some patients suffer from side-effects associated with the high systemic dosages needed to achieve therapeutic levels in the joints. In addition, due to of the short half-life of these proteins there is a need for continuous, multiple injections of the recombinant protein. An alternative approach might be the use of gene transfer to deliver therapeutic genes locally at the site of inflammation. Several viral and non-viral vectors are being used in animal models of RA. The first gene therapy trials for RA have already entered the clinic. New vectors inducing long-term and regulated gene expression in specific tissue are under development, resulting in more efficient gene transfer, for example by using distinct serotypes of viral vectors such as adeno-associated virus. This review gives an overview of some promising vectors used in RA research. Furthermore, several therapeutic genes are discussed that could be used for gene therapy in RA patients.
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Affiliation(s)
- J Adriaansen
- Clinical Immunology and Rheumatology, Academic Medical Center/University of Amsterdam, Amsterdam, The Netherlands
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Treschow AP, Teige I, Nandakumar KS, Holmdahl R, Issazadeh-Navikas S. Stromal cells and osteoclasts are responsible for exacerbated collagen-induced arthritis in interferon-beta-deficient mice. ACTA ACUST UNITED AC 2006; 52:3739-48. [PMID: 16320324 DOI: 10.1002/art.21496] [Citation(s) in RCA: 32] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/31/2022]
Abstract
OBJECTIVE Clinical trials using interferon-beta (IFNbeta) in the treatment of rheumatoid arthritis have shown conflicting results. We undertook this study to understand the mechanisms of IFNbeta in arthritis at a physiologic level. METHODS Collagen-induced arthritis (CIA) was induced in IFNbeta-deficient and control mice. The role of IFNbeta was investigated in both the priming and effector phases of the disease. The effect of IFNbeta deficiency on synovial cells, macrophages, and fibroblasts from preimmunized mice was analyzed by flow cytometry, immunohistochemistry, and enzyme-linked immunosorbent assay. Differences in osteoclast maturation were determined in situ by histology of arthritic and naive paws and by in vitro maturation studies of naive bone marrow cells. The importance of IFNbeta-producing fibroblasts was determined by transferring fibroblasts into mice at the time of CIA immunization. RESULTS Mice lacking IFNbeta had a prolonged disease with a higher incidence compared with control mice. IFNbeta deficiency was found to influence the effector phase, but not the priming phase, of arthritis. Compared with control mice, IFNbeta-deficient mice had greater infiltration of CD11b+ cells and greater production of tumor necrosis factor alpha in vivo, and their macrophages and fibroblasts were both more activated in vitro. Moreover, IFNbeta-deficient mice generated a greater number of osteoclasts in vitro, and mice immunized to induce arthritis, but not naive mice, had a greater number of osteoclasts in vivo compared with control mice. Importantly, IFNbeta-competent fibroblasts were able to ameliorate arthritis in IFNbeta-deficient recipients. CONCLUSION Our data indicate that IFNbeta is involved in regulating the activation state of osteoclasts and stromal cells, including macrophages and fibroblasts, but that it has little effect on T cells.
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Takayanagi H. All interferons are not equal: Specific mechanisms of interfering with osteoclastogenesis. ACTA ACUST UNITED AC 2005. [DOI: 10.1138/20050183] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/13/2022]
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't Hart BA, Bauer J, Brok HPM, Amor S. Non-human primate models of experimental autoimmune encephalomyelitis: Variations on a theme. J Neuroimmunol 2005; 168:1-12. [PMID: 16023737 DOI: 10.1016/j.jneuroim.2005.05.017] [Citation(s) in RCA: 34] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/17/2005] [Revised: 05/26/2005] [Accepted: 05/27/2005] [Indexed: 12/31/2022]
Abstract
Despite years of intensive research into multiple sclerosis (MS) scientists have not yet succeeded in developing an absolute therapy for the treatment of this disabling disease of the human central nervous system. The wide immunological gap between inbred rodent strains and the heterogeneous human population is probably the single most important factor that hampers the translation of scientific principles developed in rodents into effective therapies for MS. Because of the closer immunological proximity to humans, non-human primates provide useful experimental models that may help to bridge this gap. Here we review the models of experimental autoimmune encephalomyelitis in rhesus macaques and common marmosets. We will discuss the salient points of the models and suggest how these may represent the spectrum of inflammatory demyelinating diseases of the central nervous system in humans.
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Affiliation(s)
- Bert A 't Hart
- Department of Immunobiology, Biomedical Primate Research Centre, Rijswijk, The Netherlands.
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Vierboom MPM, Jonker M, Bontrop RE, 't Hart B. Modeling human arthritic diseases in nonhuman primates. Arthritis Res Ther 2005; 7:145-54. [PMID: 15987497 PMCID: PMC1175046 DOI: 10.1186/ar1773] [Citation(s) in RCA: 50] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/24/2022] Open
Abstract
Models of rheumatoid arthritis (RA) in laboratory animals are important tools for research into pathogenic mechanisms and the development of effective, safe therapies. Rodent models (rats and mice) have provided important information about the pathogenic mechanisms. However, the evolutionary distance between rodents and humans hampers the translation of scientific principles into effective therapies. The impact of the genetic distance between the species is especially seen with treatments based on biological molecules, which are usually species-specific. The outbred nature and the closer anatomical, genetic, microbiological, physiological, and immunological similarity of nonhuman primates to humans may help to bridge the wide gap between inbred rodent strain models and the heterogeneous RA patient population. Here we review clinical, immunological and pathological aspects of the rhesus monkey model of collagen-induced arthritis, which has emerged as a reproducible model of human RA in nonhuman primates.
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Affiliation(s)
- Michel P M Vierboom
- Department of Immunobiology, Biomedical Primate Research Centre, Rijswijk, The Netherlands.
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Molnarfi N, Hyka-Nouspikel N, Gruaz L, Dayer JM, Burger D. The production of IL-1 receptor antagonist in IFN-beta-stimulated human monocytes depends on the activation of phosphatidylinositol 3-kinase but not of STAT1. THE JOURNAL OF IMMUNOLOGY 2005; 174:2974-80. [PMID: 15728510 DOI: 10.4049/jimmunol.174.5.2974] [Citation(s) in RCA: 27] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 01/08/2023]
Abstract
IFN-beta induces the production of secreted IL-1R antagonist (sIL-1Ra) without triggering synthesis of the agonist IL-1beta in human monocytes. This might account for its anti-inflammatory properties. Canonically, IFN-beta signals through activation of JAK/STAT pathway, although PI3K and MAPK have also been involved. In this study, the role of PI3K, MEK1, and STAT1 in IFN-beta-induced sIL-1Ra production is investigated in freshly isolated human blood monocytes. PI3K, but not MEK1 activation is essential for sIL-1Ra production in monocytes treated with IFN-beta, as demonstrated by using the respective inhibitors of PI3K and MEK1, Ly294002 and PD98059. The use of cycloheximide and actinomycin D shows that sIL-1Ra was an immediate early gene induced by IFN-beta and that PI3K was controlling sIL-1Ra gene transcription. Although both inhibitors of PI3K and MEK1 diminished the Ser(727) phosphorylation of STAT1 induced by IFN-beta, only Ly294002 inhibited sIL-1Ra production. Furthermore, the inhibition of STAT1-Ser(727) phosphorylation by Ly294002 did not affect STAT1 translocation, suggesting that STAT1 was not involved in sIL-1Ra gene induction. This was confirmed in monocytes that were transfected with small interfering RNA specifically targeting STAT1. Indeed, monocytes in which effective STAT1 gene knockdown was achieved were fully responsive to IFN-beta in terms of sIL-1Ra production. Taken together, the present data demonstrate that the induction of sIL-1Ra transcription and production by IFN-beta in human monocytes involved PI3K, but not STAT1 activation.
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Affiliation(s)
- Nicolas Molnarfi
- Division of Immunology and Allergy, Clinical Immunology Unit, Faculty of Medicine, University Hospital, Geneva, Switzerland
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Abstract
The significance of type I interferons (IFN-alpha/beta) in biology and medicine renders research on their activities continuously relevant to our understanding of normal and abnormal (auto) immune responses. This relevance is bolstered by discoveries that unambiguously establish IFN-alpha/beta, among the multitude of cytokines, as dominant in defining qualitative and quantitative characteristics of innate and adaptive immune processes. Recent advances elucidating the biology of these key cytokines include better definition of their complex signaling pathways, determination of their importance in modifying the effects of other cytokines, the role of Toll-like receptors in their induction, their major cellular producers, and their broad and diverse impact on both cellular and humoral immune responses. Consequently, the role of IFN-alpha/beta in the pathogenesis of autoimmunity remains at the forefront of scientific inquiry and has begun to illuminate the mechanisms by which these molecules promote or inhibit systemic and organ-specific autoimmune diseases.
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Brentano F, Schorr O, Gay RE, Gay S, Kyburz D. RNA released from necrotic synovial fluid cells activates rheumatoid arthritis synovial fibroblasts via toll-like receptor 3. ACTA ACUST UNITED AC 2005; 52:2656-65. [PMID: 16142732 DOI: 10.1002/art.21273] [Citation(s) in RCA: 273] [Impact Index Per Article: 14.4] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/08/2023]
Abstract
OBJECTIVE To assess the expression of Toll-like receptor 3 (TLR-3) protein in synovial tissues and cultured synovial fibroblasts obtained from patients with rheumatoid arthritis (RA) and osteoarthritis (OA) and to investigate the consequences of stimulation of cultured synovial fibroblasts with TLR-3 ligands. METHODS TLR-3 expression in synovial tissues was determined by immunohistochemistry and immunofluorescence, and expression in cultured RA synovial fibroblasts (RASFs) was determined by fluorescence-activated cell sorting and real-time polymerase chain reaction techniques. TLR-3 signaling was assessed by incubating RASFs with poly(I-C), lipopolysaccharide, palmitoyl-3-cysteine-serine-lysine-4, or necrotic synovial fluid cells from RA patients in the presence or absence of hydroxychloroquine or Benzonase. Subsequent determination of interferon-beta (IFNbeta), CXCL10, CCL5, and interleukin-6 (IL-6) protein production in the culture supernatants was performed by enzyme-linked immunosorbent assays. RESULTS TLR-3 protein expression was found to be higher in RA synovial tissues than in OA synovial tissues. TLR-3 expression was localized predominantly in the synovial lining, with a majority of the TLR-3-expressing cells coexpressing fibroblast markers. Stimulation of cultured RASFs with the TLR-3 ligand poly(I-C) resulted in the production of high levels of IFNbeta, CXCL10, CCL5, and IL-6 protein. Similarly, coincubation of RASFs with necrotic synovial fluid cells from patients with RA resulted in up-regulation of these cytokines and chemokines in a TLR-3-dependent manner. CONCLUSION Our findings demonstrate the expression of TLR-3 in RA synovial tissue and the activation of RASFs in vitro by the TLR-3 ligand poly(I-C) as well as by necrotic RA synovial fluid cells, and indicate that RNA released from necrotic cells might act as an endogenous TLR-3 ligand for the stimulation of proinflammatory gene expression in RASFs.
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van Holten J, Pavelka K, Vencovsky J, Stahl H, Rozman B, Genovese M, Kivitz AJ, Alvaro J, Nuki G, Furst DE, Herrero-Beaumont G, McInnes IB, Musikic P, Tak PP. A multicentre, randomised, double blind, placebo controlled phase II study of subcutaneous interferon beta-1a in the treatment of patients with active rheumatoid arthritis. Ann Rheum Dis 2004; 64:64-9. [PMID: 15242865 PMCID: PMC1755211 DOI: 10.1136/ard.2003.020347] [Citation(s) in RCA: 76] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/04/2022]
Abstract
OBJECTIVE To assess the efficacy of interferon beta (IFN beta) in combination with methotrexate in treatment of patients with rheumatoid arthritis. METHODS 209 patients with active rheumatoid arthritis, who had been on methotrexate for at least six months and at a stable dose for four weeks before study entry, were randomised in double blind fashion to receive placebo (0.05 ml or 0.5 ml), IFN beta 2.2 microg (0.05 ml), or IFN beta 44 microg (0.5 ml), given subcutaneously three times weekly for 24 weeks. The primary efficacy measure was a change in radiological scores at week 24. The secondary endpoint was the proportion of patients who met the ACR 20% improvement criteria at the end of the study. Synovial biopsy specimens were obtained before and after treatment from a subset of patients. Immunohistochemistry was used to detect the presence of inflammatory cells and the results were measured by digital image analysis. Collagen crosslinks were measured in urine at different times throughout the study. RESULTS Analysis of radiological scores and clinical variable showed no changes in any of the groups, and there were no differences between the groups. On microscopic analysis of synovial tissue there was no significant change in the scores for infiltration by inflammatory cells after IFN beta treatment. Urinary levels of collagen crosslinks were unchanged between the treatment groups. CONCLUSIONS At the doses tested, treatment with IFN beta three times weekly in combination with methotrexate did not have a clinical or radiological effect in patients with rheumatoid arthritis.
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Affiliation(s)
- J van Holten
- Academic Medical Centre, University of Amsterdam, Netherlands
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van Holten J, Reedquist K, Sattonet-Roche P, Smeets TJM, Plater-Zyberk C, Vervoordeldonk MJ, Tak PP. Treatment with recombinant interferon-beta reduces inflammation and slows cartilage destruction in the collagen-induced arthritis model of rheumatoid arthritis. Arthritis Res Ther 2004; 6:R239-49. [PMID: 15142270 PMCID: PMC416442 DOI: 10.1186/ar1165] [Citation(s) in RCA: 113] [Impact Index Per Article: 5.7] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/06/2003] [Revised: 02/18/2004] [Accepted: 02/19/2004] [Indexed: 11/10/2022] Open
Abstract
We investigated the therapeutic potential and mechanism of action of IFN-beta protein for the treatment of rheumatoid arthritis (RA). Collagen-induced arthritis was induced in DBA/1 mice. At the first clinical sign of disease, mice were given daily injections of recombinant mouse IFN-beta or saline for 7 days. Disease progression was monitored by visual clinical scoring and measurement of paw swelling. Inflammation and joint destruction were assessed histologically 8 days after the onset of arthritis. Proteoglycan depletion was determined by safranin O staining. Expression of cytokines, receptor activator of NF-kappaB ligand, and c-Fos was evaluated immunohistochemically. The IL-1-induced expression of IL-6, IL-8, and granulocyte/macrophage-colony-stimulating factor (GM-CSF) was studied by ELISA in supernatant of RA and osteoarthritis fibroblast-like synoviocytes incubated with IFN-beta. We also examined the effect of IFN-beta on NF-kappaB activity. IFN-beta, at 0.25 microg/injection and higher, significantly reduced disease severity in two experiments, each using 8-10 mice per treatment group. IFN-beta-treated animals displayed significantly less cartilage and bone destruction than controls, paralleled by a decreased number of positive cells of two gene products required for osteoclastogenesis, receptor activator of NF-kappaB ligand and c-Fos. Tumor necrosis factor alpha and IL-6 expression were significantly reduced, while IL-10 production was increased after IFN-beta treatment. IFN-beta reduced expression of IL-6, IL-8, and GM-CSF in RA and osteoarthritis fibroblast-like synoviocytes, correlating with reduced NF-kappaB activity. The data support the view that IFN-beta is a potential therapy for RA that might help to diminish both joint inflammation and destruction by cytokine modulation.
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Affiliation(s)
- Judith van Holten
- Division of Clinical Immunology and Rheumatology, Academic Medical Center/University of Amsterdam, The Netherlands
| | - Kris Reedquist
- Division of Clinical Immunology and Rheumatology, Academic Medical Center/University of Amsterdam, The Netherlands
| | | | - Tom JM Smeets
- Division of Clinical Immunology and Rheumatology, Academic Medical Center/University of Amsterdam, The Netherlands
| | | | - Margriet J Vervoordeldonk
- Division of Clinical Immunology and Rheumatology, Academic Medical Center/University of Amsterdam, The Netherlands
| | - Paul P Tak
- Division of Clinical Immunology and Rheumatology, Academic Medical Center/University of Amsterdam, The Netherlands
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Palmer G, Mezin F, Juge-Aubry CE, Plater-Zyberk C, Gabay C, Guerne PA. Interferon beta stimulates interleukin 1 receptor antagonist production in human articular chondrocytes and synovial fibroblasts. Ann Rheum Dis 2004; 63:43-9. [PMID: 14672890 PMCID: PMC1754734 DOI: 10.1136/ard.2002.005546] [Citation(s) in RCA: 33] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/04/2022]
Abstract
BACKGROUND Interferon (IFN) beta displays anti-inflammatory and immunosuppressive activity and has been considered for the treatment of rheumatoid arthritis (RA). Information about the effects of this molecule on joint cells is scarce, however. OBJECTIVE To investigate the effects of IFNbeta on the production of interleukin-1 receptor antagonist (IL1Ra) in human articular chondrocytes and synovial fibroblasts. METHODS Chondrocytes and synovial fibroblasts were stimulated with IFNbeta alone or in combination with interleukin (IL) 1beta. IL1Ra concentrations in culture supernatants and cell lysates were determined by ELISA. Expression of mRNA encoding the secreted sIL1Ra or the intracellular icIL1Ra1 isoforms was quantified by real time reverse transcriptase-polymerase chain reaction. RESULTS In chondrocytes, IFNbeta alone had no effect, but dose dependently enhanced the secretion of IL1Ra induced by IL1beta. Chondrocyte cell lysates contained undetectable or low levels of IL1Ra, even after stimulation with IL1beta and IFNbeta. Consistently, IL1beta and IFNbeta induced sIL1Ra mRNA expression in chondrocytes, while expression of icIL1Ra1 was not detectable. Human articular chondrocytes thus mainly produce secreted IL1Ra. In synovial fibroblasts, IFNbeta alone dose dependently increased IL1Ra secretion. In addition, IFNbeta enhanced the stimulatory effect of IL1beta on IL1Ra production. In synovial cell lysates, IFNbeta and IL1beta also increased IL1Ra levels. Consistently, IFNbeta and IL1beta induced the expression of both sIL1Ra and icIL1Ra1 mRNA in synovial fibroblasts. CONCLUSION IFNbeta increases IL1Ra production in joint cells, which may be beneficial in cartilage damaging diseases such as RA or osteoarthritis.
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Affiliation(s)
- G Palmer
- Division of Rheumatology, University Hospital, and Department of Pathology, University of Geneva School of Medicine, Geneva, Switzerland
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Genovese MC, Chakravarty EF, Krishnan E, Moreland LW. A randomized, controlled trial of interferon-beta-1a (Avonex(R)) in patients with rheumatoid arthritis: a pilot study [ISRCTN03626626]. Arthritis Res Ther 2003; 6:R73-R77. [PMID: 14979940 PMCID: PMC400417 DOI: 10.1186/ar1026] [Citation(s) in RCA: 17] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/24/2003] [Revised: 10/17/2003] [Accepted: 10/23/2003] [Indexed: 11/24/2022] Open
Abstract
The objective of this study was to evaluate the safety and possible efficacy of IFN-β-1a for the treatment of patients with rheumatoid arthritis (RA). Twenty-two patients with active RA were enrolled in a phase II randomized, double-blind, placebo-controlled trial of 30 μg IFN-β-1a by weekly self-injection for 24 weeks. The primary outcome of the study was safety. Secondary outcomes included the proportion of patients achieving an American College of Rheumatology (ACR) 20 response at 24 weeks. There were no significant differences in adverse events reported in the two groups. Fewer than 20% of patients in each arm of the study achieved an ACR 20 response at 24 weeks (P = 0.71). Sixty-nine percent of patients receiving IFN-β and 67% receiving placebo terminated the study early, most of them secondary to a perceived lack of efficacy. Overall, IFN-β-1a had a safety profile similar to that of placebo. There were no significant differences in the proportion of patients achieving an ACR 20 response between the two groups.
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Affiliation(s)
- Mark C Genovese
- Division of Immunology and Rheumatology, Stanford University, Palo Alto, CA, USA.
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Adorini L. Cytokine-based immunointervention in the treatment of autoimmune diseases. Clin Exp Immunol 2003; 132:185-92. [PMID: 12699404 PMCID: PMC1808696 DOI: 10.1046/j.1365-2249.2003.02144.x] [Citation(s) in RCA: 38] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 02/12/2003] [Indexed: 11/20/2022] Open
Affiliation(s)
- L Adorini
- BioXell, Via Olgettina 58, 20132 Milan, Italy.
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van Holten J, Plater-Zyberk C, Tak PP. Interferon-beta for treatment of rheumatoid arthritis? ARTHRITIS RESEARCH 2002; 4:346-52. [PMID: 12453310 PMCID: PMC153843 DOI: 10.1186/ar598] [Citation(s) in RCA: 44] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 08/15/2002] [Accepted: 08/27/2002] [Indexed: 11/30/2022]
Abstract
IFN-beta treatment is emerging as a potentially effective form of therapy in various immune-mediated conditions. The present review addresses the possible role of IFN-beta in immune-mediated diseases such as multiple sclerosis and rheumatoid arthritis. Several placebo-controlled trials are discussed, as are the available immunological data that are relevant to this field. Review of these data provides evidence that IFN-beta has some beneficial therapeutic effect in patients with relapsing-remitting multiple sclerosis and might also have antirheumatic potential. This notion is supported by recent studies showing a critical role for IFN-beta in bone homeostasis.
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Affiliation(s)
- Judith van Holten
- Division of Clinical Immunology and Rheumatology Academic Medical Center, University of Amsterdam, Amsterdam, The Netherlands
| | - Christine Plater-Zyberk
- Division of Clinical Immunology and Rheumatology Academic Medical Center, University of Amsterdam, Amsterdam, The Netherlands
| | - Paul P Tak
- Division of Clinical Immunology and Rheumatology Academic Medical Center, University of Amsterdam, Amsterdam, The Netherlands
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Abstract
Rheumatoid arthritis (RA) is a chronic disease characterized by synovial inflammation that leads to the destruction of cartilage and bone. In the last decade, there was a lot of successful research in the field of cytokine expression and regulation. It has become clear that pro- and anti-inflammatory cytokines, derived predominantely from cells of macrophage lineage, play a major role in the initiation and perpetuation of the chronic inflammatory process in the RA synovial membrane. Monokines are abundant in rheumatoid synovial tissue, whereas low amounts of lymphokines are found. The involvement of pro-inflammatory cytokines, particularly interleukin (IL)-1 and tumor necrosis factor-alpha, in the pathogenesis of RA is well accepted. Recent data provide evidence that the pro-inflammatory cytokine IL-18 plays a crucial role in the development and sustenance of inflammatory joint diseases. There also appears to be a compensatory anti-inflammatory response in RA synovial membrane. It has become clear in the last few years that T cell-derived cytokines expressed preferentially by Th1 cells contribute to joint destruction and inflammation in RA. However, products from Th2 cells may be protective.
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Affiliation(s)
- Margriet J B M Vervoordeldonk
- Division of Clinical Immunology and Rheumatology, Department of Medicine, Academic Medical Center, University of Amsterdam, PO box 22660, 1100 DD Amsterdam, The Netherlands.
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Abstract
Rheumatoid arthritis (RA) is a chronic inflammatory disease characterized by joint inflammation as well as progressive cartilage and bone destruction. Advances in the understanding of the pathophysiology of RA have led to the development of new therapeutic strategies, including gene therapy. Gene therapy offers a new approach to deliver therapeutic proteins to the joints of arthritis patients. Local as well as systemic gene therapy can be envisaged for the treatment of arthritis. Several viral and non-viral vectors have been used in animal models for rheumatoid arthritis for ex vivo and in vivo delivery of therapeutic genes. Promising pre-clinical data have resulted from the application of these strategies. Using ex vivo gene delivery, successful and safe gene transfer has been demonstrated in the joints of RA patients. Although new insights into the role of cytokines and other mediators of chronic inflammation have provided novel targets for therapeutic intervention, the development of vectors that induce long-term and regulated gene expression remains a challenge.
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Affiliation(s)
- M J Vervoordeldonk
- Division of Clinical Immunology and Rheumatology, Department of Medicine, Academic Medical Centre, University of Amsterdam, Amsterdam, 1100 DD, The Netherlands
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