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Lombardi A, Tsomos E, Hammerstad SS, Tomer Y. Interferon alpha: The key trigger of type 1 diabetes. J Autoimmun 2018; 94:7-15. [PMID: 30115527 DOI: 10.1016/j.jaut.2018.08.003] [Citation(s) in RCA: 53] [Impact Index Per Article: 8.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/11/2018] [Revised: 08/04/2018] [Accepted: 08/07/2018] [Indexed: 02/06/2023]
Abstract
IFNα is a cytokine essential to a vast array of immunologic processes. Its induction early in the innate immune response provides a priming mechanism that orchestrates numerous subsequent pathways in innate and adaptive immunity. Despite its beneficial effects in viral infections IFNα has been reported to be associated with several autoimmune diseases including autoimmune thyroid disease, systemic lupus erythematosus, rheumatoid arthritis, primary biliary cholangitis, and recently emerged as a major cytokine that triggers Type 1 Diabetes. In this review, we dissect the role of IFNα in T1D, focusing on the potential pathophysiological mechanisms involved. Evidence from human and mouse studies indicates that IFNα plays a key role in enhancing islet expression of HLA-I in patients with T1D, thereby increasing autoantigen presentation and beta cell activation of autoreactive cytotoxic CD8 T-lymphocytes. The binding of IFNα to its receptor induces the secretion of chemokines, attracting monocytes, T lymphocytes, and NK cells to the infected tissue triggering autoimmunity in susceptible individuals. Furthermore, IFNα impairs insulin production through the induction of endoplasmic reticulum stress as well as by impairing mitochondrial function. Due to its central role in the early phases of beta cell death, targeting IFNα and its pathways in genetically predisposed individuals may represent a potential novel therapeutic strategy in the very early stages of T1D.
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Affiliation(s)
- Angela Lombardi
- Department of Medicine, Albert Einstein College of Medicine, Bronx, NY, USA.
| | - Effie Tsomos
- Department of Medicine, Albert Einstein College of Medicine, Bronx, NY, USA
| | - Sara S Hammerstad
- Department of Endocrinology, Morbid Obesity and Preventive Medicine, Oslo University Hospital, Aker, Oslo, Norway; Department of Pediatrics, Oslo University Hospital, Ulleval, Oslo, Norway
| | - Yaron Tomer
- Department of Medicine, Albert Einstein College of Medicine, Bronx, NY, USA.
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52
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Cuppen BVJ, Rossato M, Fritsch-Stork RDE, Concepcion AN, Linn-Rasker SP, Bijlsma JWJ, van Laar JM, Lafeber FPJG, Radstake TR. RNA sequencing to predict response to TNF-α inhibitors reveals possible mechanism for nonresponse in smokers. Expert Rev Clin Immunol 2018; 14:623-633. [PMID: 29808722 DOI: 10.1080/1744666x.2018.1480937] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/31/2022]
Abstract
BACKGROUND Several studies have employed microarray-based profiling to predict response to tumor necrosis factor-alpha inhibitors (TNFi) in rheumatoid arthritis (RA); yet efforts to validate these targets have failed to show predictive abilities acceptable for clinical practice. METHODS The eighty most extreme responders and nonresponders to TNFi therapy were selected from the observational BiOCURA cohort. RNA sequencing was performed on mRNA from peripheral blood mononuclear cells (PBMCs) collected before initiation of treatment. The expression of pathways as well as individual gene transcripts between responders and nonresponders was investigated. Promising targets were technically replicated and validated in n = 40 new patients using qPCR assays. RESULTS Before therapy initiation, nonresponders had lower expression of pathways related to interferon and cytokine signaling, while also showing higher levels of two genes, GPR15 and SEMA6B (p = 0.02). The two targets could be validated, however, additional analyses revealed that GPR15 and SEMA6B did not independently predict response, but were rather dose-dependent markers of smoking (p < 0.0001). CONCLUSIONS The study did not identify new transcripts ready to use in clinical practice, yet GPR15 and SEMA6B were recognized as candidate explanatory markers for the reduced treatment success in RA smokers.
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Affiliation(s)
- Bart V J Cuppen
- a Rheumatology & Clinical Immunology , University Medical Center Utrecht , Utrecht , The Netherlands
| | - Marzia Rossato
- b Laboratory of Translational Immunology , University Medical Center Utrecht , Utrecht , The Netherlands.,c Department of Biotechnology , University of Verona , Verona , Italy
| | - Ruth D E Fritsch-Stork
- a Rheumatology & Clinical Immunology , University Medical Center Utrecht , Utrecht , The Netherlands.,d 1st Medical Department & Ludwig Boltzmann Institute of Osteology at the Hanusch Hospital of WGKK and AUVA Trauma Centre Meidling , Hanusch Hospital , Vienna , Austria.,e Sigmund Freud University , Vienna , Austria
| | - Arno N Concepcion
- a Rheumatology & Clinical Immunology , University Medical Center Utrecht , Utrecht , The Netherlands
| | | | - Johannes W J Bijlsma
- a Rheumatology & Clinical Immunology , University Medical Center Utrecht , Utrecht , The Netherlands
| | - Jacob M van Laar
- a Rheumatology & Clinical Immunology , University Medical Center Utrecht , Utrecht , The Netherlands
| | - Floris P J G Lafeber
- a Rheumatology & Clinical Immunology , University Medical Center Utrecht , Utrecht , The Netherlands
| | - Timothy R Radstake
- a Rheumatology & Clinical Immunology , University Medical Center Utrecht , Utrecht , The Netherlands.,b Laboratory of Translational Immunology , University Medical Center Utrecht , Utrecht , The Netherlands
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53
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A gene module associated with dysregulated TCR signaling pathways in CD4 + T cell subsets in rheumatoid arthritis. J Autoimmun 2018; 89:21-29. [DOI: 10.1016/j.jaut.2017.11.001] [Citation(s) in RCA: 18] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/09/2017] [Revised: 11/01/2017] [Accepted: 11/05/2017] [Indexed: 01/27/2023]
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54
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Rožman P, Švajger U. The tolerogenic role of IFN-γ. Cytokine Growth Factor Rev 2018; 41:40-53. [PMID: 29655565 DOI: 10.1016/j.cytogfr.2018.04.001] [Citation(s) in RCA: 48] [Impact Index Per Article: 8.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/23/2018] [Revised: 03/30/2018] [Accepted: 04/05/2018] [Indexed: 12/15/2022]
Abstract
Due to its extremely pleiotropic nature, the complex effects of IFN-γ exerted both on immune and non-immune cell types still remain only partially understood. The longstanding view of IFN-γ as being a predominantly inflammatory cytokine is constantly challenged by increasing demonstrations of its direct or indirect regulatory roles. Interferon-γ can exert tolerogenic effects on both innate and adaptive immune cell types, promoting tolerance of various antigen-presenting cells, and augmenting function and differentiation of regulatory T cells, respectively. Its capacity to induce IDO-competence is not limited to immune cells but extends to other cell types such as mesenchymal stem cells, epithelial cells, and tumors. The pro-inflammatory role of IFN-γ in tumor immune surveillance can backfire by directly inducing inhibitory molecule expression, such as PDL-1, on tumor cells. With increasing knowledge regarding the role of different helper T cell subsets in certain autoimmune diseases, the once contradictory observations of disease attenuation by IFN-γ can now be explained by its opposing interplay with other effector cytokines, particularly IL-17. The paradoxically immunosuppressive role of IFN-γ is also becoming evident in the transplantation setting, and graft-versus-host-disease. In the present review, we will discuss the latest findings that help to elucidate this dual role of IFN-γ at a cellular level, and in various pathophysiological states.
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Affiliation(s)
- Primož Rožman
- Blood Transfusion Centre of Slovenia, Department for Diagnostic Services, Šlajmerjeva 6, 1000, Ljubljana, Slovenia
| | - Urban Švajger
- Blood Transfusion Centre of Slovenia, Department for Diagnostic Services, Šlajmerjeva 6, 1000, Ljubljana, Slovenia.
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55
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Sareila O, Hagert C, Kelkka T, Linja M, Xu B, Kihlberg J, Holmdahl R. Reactive Oxygen Species Regulate Both Priming and Established Arthritis, but with Different Mechanisms. Antioxid Redox Signal 2017; 27:1473-1490. [PMID: 28467721 DOI: 10.1089/ars.2016.6981] [Citation(s) in RCA: 17] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 01/05/2023]
Abstract
AIMS Neutrophil cytosolic factor 1 (NCF1) is a key regulatory component of the phagocytic NOX2 complex, which produces reactive oxygen species (ROS). Polymorphism of the Ncf1 gene is associated with increased arthritis severity. In this study, we generated targeted Ncf1 knock-in mice with inducible Ncf1 expression and determined the critical time window during which the NOX2-derived ROS protect the mice from arthritis. RESULTS Targeted Ncf1 knock-in mice lacked NOX2-derived ROS, and in vivo allelic conversion of Ncf1 by the CreERT2 recombinase led to full protein expression and ROS production within 10 days. Mice in which Ncf1 had been activated before immunization with type II collagen (CII) developed only mild clinical symptoms of collagen-induced arthritis (CIA), whereas the ROS-deficient littermates had severe arthritis. The functional Ncf1 restricted the expansion of IL-17A-producing T cells specific for the immunodominant CII peptide. When the Ncf1 gene was activated after the priming phase, Ncf1-dependent protection from autoimmune arthritis was still observed, together with a reduced number of splenic monocytes but it was not associated with alterations in peptide-specific T cell response. The Ncf1-deficient mice expressed pronounced interferon signature, which could be normalized by conditional expression of Ncf1 and was also present in the Ncf1-mutated mouse during arthritis. Innovation and Conclusion: Ncf1 deficiency has been known to predispose to autoimmunity in both humans and rodents. Our in vivo results point to a regulatory role of NOX2-derived ROS not only during priming but also during the effector phase of CIA, most likely via different mechanisms. Antioxid. Redox Signal. 27, 1473-1490.
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Affiliation(s)
- Outi Sareila
- 1 Medicity Research Laboratory, University of Turku , Turku, Finland
| | - Cecilia Hagert
- 1 Medicity Research Laboratory, University of Turku , Turku, Finland .,2 The National Doctoral Programme, Informational and Structural Biology, Turku, Finland
| | - Tiina Kelkka
- 1 Medicity Research Laboratory, University of Turku , Turku, Finland .,3 Turku Doctoral Programme of Biomedical Sciences, Turku, Finland
| | - Marjo Linja
- 1 Medicity Research Laboratory, University of Turku , Turku, Finland
| | - Bingze Xu
- 4 Division of Medical Inflammation Research, Department of Medical Biochemistry and Biophysics, Karolinska Institutet , Stockholm, Sweden
| | - Jan Kihlberg
- 5 Department of Chemistry, BMC, Uppsala University , Uppsala, Sweden
| | - Rikard Holmdahl
- 1 Medicity Research Laboratory, University of Turku , Turku, Finland .,4 Division of Medical Inflammation Research, Department of Medical Biochemistry and Biophysics, Karolinska Institutet , Stockholm, Sweden
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56
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Ciechomska M, Skalska U. Targeting interferons as a strategy for systemic sclerosis treatment. Immunol Lett 2017; 195:45-54. [PMID: 29106987 DOI: 10.1016/j.imlet.2017.10.011] [Citation(s) in RCA: 16] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/31/2017] [Revised: 10/24/2017] [Accepted: 10/24/2017] [Indexed: 12/13/2022]
Abstract
Systemic Sclerosis (SSc) is an autoimmune disease characterised by vasculopathy, uncontrolled inflammation and enhanced fibrosis which can subsequently lead to the loss of organ function or even premature death. Interferons (IFNs) are pleiotropic cytokines that are critical not only in mounting an effective immune response against viral and bacterial infections but also strongly contribute to the pathogenesis of SSc. Furthermore, elevated levels of IFNs are found in SSc patients and correlate with skin thickness and disease activity suggesting potential role of IFNs as biomarkers. In this review, we summarise existing knowledge regarding all types of IFNs and IFN-inducible genes in the pathogenesis of SSc. We then argue why IFN-blocking strategies are promising therapeutic targets in SSc and other autoimmune diseases.
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Affiliation(s)
- Marzena Ciechomska
- National Institute of Geriatrics Rheumatology and Rehabilitation, Warsaw, Poland
| | - Urszula Skalska
- National Institute of Geriatrics Rheumatology and Rehabilitation, Warsaw, Poland
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57
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Romão VC, Vital EM, Fonseca JE, Buch MH. Right drug, right patient, right time: aspiration or future promise for biologics in rheumatoid arthritis? Arthritis Res Ther 2017; 19:239. [PMID: 29065909 PMCID: PMC5655983 DOI: 10.1186/s13075-017-1445-3] [Citation(s) in RCA: 33] [Impact Index Per Article: 4.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/19/2022] Open
Abstract
Individualising biologic disease-modifying anti-rheumatic drugs (bDMARDs) to maximise outcomes and deliver safe and cost-effective care is a key goal in the management of rheumatoid arthritis (RA). Investigation to identify predictive tools of bDMARD response is a highly active and prolific area of research. In addition to clinical phenotyping, cellular and molecular characterisation of synovial tissue and blood in patients with RA, using different technologies, can facilitate predictive testing. This narrative review will summarise the literature for the available bDMARD classes and focus on where progress has been made. We will also look ahead and consider the increasing use of 'omics' technologies, the potential they hold as well as the challenges, and what is needed in the future to fully realise our ambition of personalised bDMARD treatment.
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Affiliation(s)
- Vasco C. Romão
- Rheumatology Research Unit, Instituto de Medicina Molecular, Faculdade de Medicina, Universidade de Lisboa, Av. Professor Egas Moniz, 1649-028 Lisboa, Portugal
- Department of Rheumatology, Hospital de Santa Maria, Centro Hospitalar Lisboa Norte, Av. Professor Egas Moniz, 1649-035 Lisboa, Portugal
| | - Edward M. Vital
- Leeds Institute of Rheumatic and Musculoskeletal Medicine, University of Leeds, Leeds, UK
- NIHR Leeds Musculoskeletal Biomedical Research Unit, Leeds Teaching Hospitals NHS Trust, Leeds, UK
| | - João Eurico Fonseca
- Rheumatology Research Unit, Instituto de Medicina Molecular, Faculdade de Medicina, Universidade de Lisboa, Av. Professor Egas Moniz, 1649-028 Lisboa, Portugal
- Department of Rheumatology, Hospital de Santa Maria, Centro Hospitalar Lisboa Norte, Av. Professor Egas Moniz, 1649-035 Lisboa, Portugal
| | - Maya H. Buch
- Leeds Institute of Rheumatic and Musculoskeletal Medicine, University of Leeds, Leeds, UK
- NIHR Leeds Musculoskeletal Biomedical Research Unit, Leeds Teaching Hospitals NHS Trust, Leeds, UK
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58
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Psarras A, Emery P, Vital EM. Type I interferon-mediated autoimmune diseases: pathogenesis, diagnosis and targeted therapy. Rheumatology (Oxford) 2017; 56:1662-1675. [PMID: 28122959 DOI: 10.1093/rheumatology/kew431] [Citation(s) in RCA: 59] [Impact Index Per Article: 8.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/04/2016] [Indexed: 12/21/2022] Open
Abstract
Type I interferons (IFN-Is) are a group of molecules with pleiotropic effects on the immune system forming a crucial link between innate and adaptive immune responses. Apart from their important role in antiviral immunity, IFN-Is are increasingly recognized as key players in autoimmune CTDs such as SLE. Novel therapies that target IFN-I appear effective in SLE in early trials, but effectiveness is related to the presence of IFN-I biomarkers. IFN-I biomarkers may also act as positive or negative predictors of response to other biologics. Despite the high failure rate of clinical trials in SLE, subgroups of patients often respond better. Fully optimizing the potential of these agents is therefore likely to require stratification of patients using IFN-I and other biomarkers. This suggests the unified concept of type I IFN-mediated autoimmune diseases as a grouping including patients with a variety of different traditional diagnoses.
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Affiliation(s)
- Antonios Psarras
- Leeds Teaching Hospitals NHS Trust, NIHR Leeds Biomedical Research Unit.,Leeds Institute of Rheumatic and Musculoskeletal Medicine, University of Leeds, Leeds, UK
| | - Paul Emery
- Leeds Teaching Hospitals NHS Trust, NIHR Leeds Biomedical Research Unit.,Leeds Institute of Rheumatic and Musculoskeletal Medicine, University of Leeds, Leeds, UK
| | - Edward M Vital
- Leeds Teaching Hospitals NHS Trust, NIHR Leeds Biomedical Research Unit.,Leeds Institute of Rheumatic and Musculoskeletal Medicine, University of Leeds, Leeds, UK
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59
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Cushing L, Winkler A, Jelinsky SA, Lee K, Korver W, Hawtin R, Rao VR, Fleming M, Lin LL. IRAK4 kinase activity controls Toll-like receptor-induced inflammation through the transcription factor IRF5 in primary human monocytes. J Biol Chem 2017; 292:18689-18698. [PMID: 28924041 DOI: 10.1074/jbc.m117.796912] [Citation(s) in RCA: 42] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/15/2017] [Revised: 08/22/2017] [Indexed: 12/20/2022] Open
Abstract
Interleukin-1 receptor-associated kinase 4 (IRAK4) plays a critical role in innate immune signaling by Toll-like receptors (TLRs), and loss of IRAK4 activity in mice and humans increases susceptibility to bacterial infections and causes defects in TLR and IL1 ligand sensing. However, the mechanism by which IRAK4 activity regulates the production of downstream inflammatory cytokines is unclear. Using transcriptomic and biochemical analyses of human monocytes treated with a highly potent and selective inhibitor of IRAK4, we show that IRAK4 kinase activity controls the activation of interferon regulatory factor 5 (IRF5), a transcription factor implicated in the pathogenesis of multiple autoimmune diseases. Following TLR7/8 stimulation by its agonist R848, chemical inhibition of IRAK4 abolished IRF5 translocation to the nucleus and thus prevented IRF5 binding to and activation of the promoters of inflammatory cytokines in human monocytes. We also found that IKKβ, an upstream IRF5 activator, is phosphorylated in response to the agonist-induced TLR signaling. Of note, IRAK4 inhibition blocked IKKβ phosphorylation but did not block the nuclear translocation of NFκB, which was surprising, given the canonical role of IKKβ in phosphorylating IκB to allow NFκB activation. Moreover, pharmacological inhibition of either IKKβ or the serine/threonine protein kinase TAK1 in monocytes blocked TLR-induced cytokine production and IRF5 translocation to the nucleus, but not nuclear translocation of NFκB. Taken together, our data suggest a mechanism by which IRAK4 activity regulates TAK1 and IKKβ activation, leading to the nuclear translocation of IRF5 and induction of inflammatory cytokines in human monocytes.
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Affiliation(s)
- Leah Cushing
- From the Departments of Inflammation and Immunology and
| | - Aaron Winkler
- From the Departments of Inflammation and Immunology and
| | | | - Katherine Lee
- Medicinal Chemistry, Pfizer Inc., Cambridge, Massachusetts 02139 and
| | - Wouter Korver
- Nodality Inc., South San Francisco, California 94080
| | | | - Vikram R Rao
- From the Departments of Inflammation and Immunology and
| | | | - Lih-Ling Lin
- From the Departments of Inflammation and Immunology and
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Guillot X, Martin H, Seguin-Py S, Maguin-Gaté K, Moretto J, Totoson P, Wendling D, Demougeot C, Tordi N. Local cryotherapy improves adjuvant-induced arthritis through down-regulation of IL-6 / IL-17 pathway but independently of TNFα. PLoS One 2017; 12:e0178668. [PMID: 28759646 PMCID: PMC5536266 DOI: 10.1371/journal.pone.0178668] [Citation(s) in RCA: 17] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/30/2016] [Accepted: 05/17/2017] [Indexed: 01/16/2023] Open
Abstract
OBJECTIVES Local cryotherapy is widely and empirically used in the adjuvant setting in rheumatoid arthritis treatment, however its own therapeutic and anti-inflammatory effects are poorly characterized. We aimed to evaluate the effects of local cryotherapy on local and systemic inflammation in Adjuvant-induced arthritis, a murine model of rheumatoid arthritis. METHODS The effects of mild hypothermia (30°C for 2 hours) on cytokine protein levels (Multiplex/ELISA) were evaluated in vitro in cultured rat adjuvant-induced arthritis patellae. In vivo, local cryotherapy was applied twice a day for 14 days in arthritic rats (ice: n = 10, cold gas: n = 9, non-treated: n = 10). At day 24 after the induction of arthritis, cytokine expression levels were measured in grinded hind paws (Q-RT-PCR) and in the plasma (Multiplex/ELISA). RESULTS In vitro, punctual mild hypothermia down-regulated IL-6 protein expression. In vivo, ice showed a better efficacy profile on the arthritis score and joint swelling and was better tolerated, while cold gas induced a biphasic response profile with initial, transient arthritis worsening. Local cryotherapy also exerted local and systemic anti-inflammatory effects, both at the gene and the protein levels: IL-6, IL-17A and IL-1β gene expression levels were significantly down-regulated in hind paws. Both techniques decreased plasma IL-17A while ice decreased plasma IL-6 protein levels. By contrast, we observed no effect on local/systemic TNF-α pathway. CONCLUSIONS We demonstrated for the first time that sub-chronically applied local cryotherapy (ice and cold gas) is an effective and well-tolerated treatment in adjuvant-induced arthritis. Furthermore, we provided novel insights into the cytokine pathways involved in Local cryotherapy's local and systemic anti-inflammatory effects, which were mainly IL-6/IL-17A-driven and TNF-α independent in this model.
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Affiliation(s)
- Xavier Guillot
- PEPITE EA4267, FHU INCREASE, Univ. Bourgogne Franche-Comté, Besançon, France
- Service de Rhumatologie, CHRU Besançon, France
- * E-mail:
| | - Hélène Martin
- PEPITE EA4267, FHU INCREASE, Univ. Bourgogne Franche-Comté, Besançon, France
| | | | - Katy Maguin-Gaté
- PEPITE EA4267, FHU INCREASE, Univ. Bourgogne Franche-Comté, Besançon, France
| | - Johnny Moretto
- PEPITE EA4267, FHU INCREASE, Univ. Bourgogne Franche-Comté, Besançon, France
| | - Perle Totoson
- PEPITE EA4267, FHU INCREASE, Univ. Bourgogne Franche-Comté, Besançon, France
| | - Daniel Wendling
- Service de Rhumatologie, CHRU Besançon, France
- EA 4266, Univ.Bourgogne Franche-Comté, Besançon, France
| | - Céline Demougeot
- PEPITE EA4267, FHU INCREASE, Univ. Bourgogne Franche-Comté, Besançon, France
| | - Nicolas Tordi
- PEPITE EA4267, FHU INCREASE, Univ. Bourgogne Franche-Comté, Besançon, France
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Xie X, Li F, Li S, Tian J, Chen JW, Du JF, Mao N, Chen J. Application of omics in predicting anti-TNF efficacy in rheumatoid arthritis. Clin Rheumatol 2017; 37:13-23. [PMID: 28600618 DOI: 10.1007/s10067-017-3639-0] [Citation(s) in RCA: 12] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/16/2017] [Revised: 04/11/2017] [Accepted: 04/13/2017] [Indexed: 12/16/2022]
Abstract
Rheumatoid arthritis (RA) is a systemic autoimmune disease characterized by progressive joint erosion. Tumor necrosis factor (TNF) antagonists are the most widely used biological disease-modifying anti-rheumatic drug in RA. However, there continue to be one third of RA patients who have poor or no response to TNF antagonists. Following consideration of the uncertainty of therapeutic effects and the high price of TNF antagonists, it is worthy to predict the treatment responses before anti-TNF therapy. According to the comparisons between the responders and non-responders to TNF antagonists by omic technologies, such as genomics, transcriptomics, proteomics, and metabolomics, rheumatologists are eager to find significant biomarkers to predict the effect of TNF antagonists in order to optimize the personalized treatment in RA.
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Affiliation(s)
- Xi Xie
- Department of Rheumatology, The Second Xiangya Hospital of Central South University, Changsha, Hunan, China
| | - Fen Li
- Department of Rheumatology, The Second Xiangya Hospital of Central South University, Changsha, Hunan, China.
| | - Shu Li
- Department of Rheumatology, The Second Xiangya Hospital of Central South University, Changsha, Hunan, China
| | - Jing Tian
- Department of Rheumatology, The Second Xiangya Hospital of Central South University, Changsha, Hunan, China
| | - Jin-Wei Chen
- Department of Rheumatology, The Second Xiangya Hospital of Central South University, Changsha, Hunan, China
| | - Jin-Feng Du
- Department of Rheumatology, The Second Xiangya Hospital of Central South University, Changsha, Hunan, China
| | - Ni Mao
- Department of Rheumatology, The Second Xiangya Hospital of Central South University, Changsha, Hunan, China
| | - Jian Chen
- Department of Rheumatology, The Second Xiangya Hospital of Central South University, Changsha, Hunan, China
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Goin DE, Smed MK, Pachter L, Purdom E, Nelson JL, Kjærgaard H, Olsen J, Hetland ML, Zoffmann V, Ottesen B, Jawaheer D. Pregnancy-induced gene expression changes in vivo among women with rheumatoid arthritis: a pilot study. Arthritis Res Ther 2017; 19:104. [PMID: 28545501 PMCID: PMC5445464 DOI: 10.1186/s13075-017-1312-2] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/16/2017] [Accepted: 05/02/2017] [Indexed: 12/13/2022] Open
Abstract
BACKGROUND Little is known about gene expression changes induced by pregnancy in women with rheumatoid arthritis (RA) and healthy women because the few studies previously conducted did not have pre-pregnancy samples available as baseline. We have established a cohort of women with RA and healthy women followed prospectively from a pre-pregnancy baseline. In this study, we tested the hypothesis that pregnancy-induced changes in gene expression among women with RA who improve during pregnancy (pregDASimproved) overlap substantially with changes observed among healthy women and differ from changes observed among women with RA who worsen during pregnancy (pregDASworse). METHODS Global gene expression profiles were generated by RNA sequencing (RNA-seq) from 11 women with RA and 5 healthy women before pregnancy (T0) and at the third trimester (T3). Among the women with RA, eight showed an improvement in disease activity by T3, whereas three worsened. Differential expression analysis was used to identify genes demonstrating significant changes in expression within each of the RA and healthy groups (T3 vs T0), as well as between the groups at each time point. Gene set enrichment was assessed in terms of Gene Ontology processes and protein networks. RESULTS A total of 1296 genes were differentially expressed between T3 and T0 among the 8 pregDASimproved women, with 161 genes showing at least two-fold change (FC) in expression by T3. The majority (108 of 161 genes) were also differentially expressed among healthy women (q<0.05, FC≥2). Additionally, a small cluster of genes demonstrated contrasting changes in expression between the pregDASimproved and pregDASworse groups, all of which were inducible by type I interferon (IFN). These IFN-inducible genes were over-expressed at T3 compared to the T0 baseline among the pregDASimproved women. CONCLUSIONS In our pilot RNA-seq dataset, increased pregnancy-induced expression of type I IFN-inducible genes was observed among women with RA who improved during pregnancy, but not among women who worsened. These findings warrant further investigation into expression of these genes in RA pregnancy and their potential role in modulation of disease activity. These results are nevertheless preliminary and should be interpreted with caution until replicated in a larger sample.
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Affiliation(s)
- Dana E Goin
- UCSF Benioff Children's Hospital Oakland, Children's Hospital Oakland Research Institute, 5700 Martin Luther King Jr. Way, Oakland, CA, USA.,University of California, Berkeley, Berkeley, CA, USA
| | - Mette Kiel Smed
- Juliane Marie Center, Copenhagen University Hospital, Rigshospitalet, Copenhagen, Denmark
| | - Lior Pachter
- University of California, Berkeley, Berkeley, CA, USA.,California Institute of Technology, Pasadena, CA, USA
| | | | - J Lee Nelson
- Fred Hutchinson Cancer Research Center, Seattle, WA, USA.,University of Washington, Seattle, WA, USA
| | - Hanne Kjærgaard
- Juliane Marie Center, Copenhagen University Hospital, Rigshospitalet, Copenhagen, Denmark
| | - Jørn Olsen
- University of California, Los Angeles, Los Angeles, CA, USA.,Aarhus University, Aarhus, Denmark
| | - Merete Lund Hetland
- DANBIO Registry and Copenhagen Centre for Arthritis Research, Centre for Rheumatology and Spine Diseases (VRR), Rigshospitalet, Glostrup, Denmark.,Faculty of Health and Medical Sciences, University of Copenhagen, Copenhagen, Denmark
| | - Vibeke Zoffmann
- Juliane Marie Center, Copenhagen University Hospital, Rigshospitalet, Copenhagen, Denmark.,Faculty of Health and Medical Sciences, University of Copenhagen, Copenhagen, Denmark
| | - Bent Ottesen
- Juliane Marie Center, Copenhagen University Hospital, Rigshospitalet, Copenhagen, Denmark
| | - Damini Jawaheer
- UCSF Benioff Children's Hospital Oakland, Children's Hospital Oakland Research Institute, 5700 Martin Luther King Jr. Way, Oakland, CA, USA. .,Aarhus University, Aarhus, Denmark. .,University of California, San Francisco, San Francisco, CA, USA.
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Banchereau R, Cepika AM, Banchereau J, Pascual V. Understanding Human Autoimmunity and Autoinflammation Through Transcriptomics. Annu Rev Immunol 2017; 35:337-370. [PMID: 28142321 PMCID: PMC5937945 DOI: 10.1146/annurev-immunol-051116-052225] [Citation(s) in RCA: 56] [Impact Index Per Article: 8.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/16/2022]
Abstract
Transcriptomics, the high-throughput characterization of RNAs, has been instrumental in defining pathogenic signatures in human autoimmunity and autoinflammation. It enabled the identification of new therapeutic targets in IFN-, IL-1- and IL-17-mediated diseases. Applied to immunomonitoring, transcriptomics is starting to unravel diagnostic and prognostic signatures that stratify patients, track molecular changes associated with disease activity, define personalized treatment strategies, and generally inform clinical practice. Herein, we review the use of transcriptomics to define mechanistic, diagnostic, and predictive signatures in human autoimmunity and autoinflammation. We discuss some of the analytical approaches applied to extract biological knowledge from high-dimensional data sets. Finally, we touch upon emerging applications of transcriptomics to study eQTLs, B and T cell repertoire diversity, and isoform usage.
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Affiliation(s)
| | | | - Jacques Banchereau
- The Jackson Laboratory for Genomic Medicine, Farmington, Connecticut 06030;
| | - Virginia Pascual
- Baylor Institute for Immunology Research, Dallas, Texas 75204; , ,
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Mitchell TS, Moots RJ, Wright HL. Janus kinase inhibitors prevent migration of rheumatoid arthritis neutrophils towards interleukin-8, but do not inhibit priming of the respiratory burst or reactive oxygen species production. Clin Exp Immunol 2017; 189:250-258. [PMID: 28369741 DOI: 10.1111/cei.12970] [Citation(s) in RCA: 36] [Impact Index Per Article: 5.1] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 03/22/2017] [Indexed: 01/08/2023] Open
Abstract
Neutrophils play a crucial role in the pathophysiology of rheumatoid arthritis (RA) via the release of reactive oxygen species (ROS), proteases and cytokines. Orally active Janus kinase (JAK) inhibitors (JAKi), e.g. baricitinib and tofacitinib, have high clinical efficacy in RA but are linked with neutropenia and increased infections. Our aim was to determine the effect of JAK inhibition with baricitinib and tofacitinib on healthy control and RA neutrophil lifespan and function. RA (n = 7) and healthy control (n = 7) neutrophils were treated with baricitinib or tofacitinib for 30 min, prior to incubation in the absence or presence of granulocyte-macrophage colony-stimulating factor (GM-CSF) or interferon (IFN)-γ. JAKi prevented GM-CSF- and IFN-γ-induced apoptosis delay in RA and healthy control neutrophils in a dose-dependent manner. Baricitinib decreased the rate of chemotaxis towards interleukin (IL)-8, but not f-Met-Leu-Phe (fMLP) in RA neutrophils. While healthy control neutrophils incubated with GM-CSF became primed to produce ROS in response to stimulation with fMLP and phorbol-12-myristate-12-acetate (PMA), RA neutrophils produced increased levels of ROS without the need for priming. JAKi prevented ROS release from primed healthy control neutrophils in response to fMLP, but had no effect on ROS production by RA neutrophils. Baricitinib reversed GM-CSF priming of ROS production in response to fMLP in healthy control, but not RA, neutrophils. We conclude that incubation with JAKi prevents chemotaxis of RA neutrophils towards IL-8, but does not prevent the production of ROS or increase the level of apoptosis. This may be due to the in-vivo exposure of RA neutrophils to priming agents other than those that activate JAK/signal transducer and activator of transcription (STAT) signalling.
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Affiliation(s)
- T S Mitchell
- Institute of Ageing and Chronic Disease, University of Liverpool, Liverpool, UK
| | - R J Moots
- Institute of Ageing and Chronic Disease, University of Liverpool, Liverpool, UK
| | - H L Wright
- Institute of Integrative Biology, University of Liverpool, Liverpool, UK
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65
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de Jong TD, Sellam J, Agca R, Vosslamber S, Witte BI, Tsang-A-Sjoe M, Mantel E, Bijlsma JW, Voskuyl AE, Nurmohamed MT, Verweij CL, Mariette X. A multi-parameter response prediction model for rituximab in rheumatoid arthritis. Joint Bone Spine 2017; 85:219-226. [PMID: 28363827 DOI: 10.1016/j.jbspin.2017.02.015] [Citation(s) in RCA: 14] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/16/2016] [Accepted: 02/22/2017] [Indexed: 10/19/2022]
Abstract
OBJECTIVES To validate the IFN response gene (IRG) set for the prediction of non-response to rituximab in rheumatoid arthritis (RA) and assess the predictive performance upon combination of this gene set with clinical parameters. METHODS In two independent cohorts of 93 (cohort I) and 133 (cohort II) rituximab-starting RA patients, baseline peripheral blood expression of eight IRGs was determined, and averaged into an IFN score. Predictive performance of IFN score and clinical parameters was assessed by logistic regression. A multivariate prediction model was developed using a forward stepwise selection procedure. Patients with a decrease in disease activity score (ΔDAS28)≥1.8 after 6 months of therapy were considered responders. RESULTS The mean IFN score was higher in non-responders compared to responders in both cohorts, but this difference was most pronounced in patients who did not use prednisone, as described before. Univariate analysis in cohort I showed that baseline DAS28, IFN score, DMARD use and negativity for IgM-RF and/or ACPA were associated with rituximab non-response. The multivariate model consisted of DAS28, IFN score and DMARD use, which showed an area under the curve (AUC) of 0.82. In cohort II, this model revealed a comparable AUC in PREDN-negative patients (0.78), but AUC in PREDN-positive patients was significantly lower (0.63), which seemed due to effect modification of the IFN score by prednisone. CONCLUSIONS Combination of predictive parameters provided a promising model for the prediction of non-response to rituximab, with possibilities for optimization via definition of the exact interfering effect of prednisone on IFN score. TRIAL REGISTRATION (COHORT II, SMART TRIAL) NCT01126541, registered 18 May 2010.
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Affiliation(s)
- Tamarah D de Jong
- Amsterdam rheumatology and immunology center, location VU university medical center, P.O. box 7057, 1007MB Amsterdam, The Netherlands.
| | - Jérémie Sellam
- Inserm UMRS_938, DHU i2B, rheumatology department, Saint-Antoine hospital, université Paris 06, AP-HP, 184, rue du Faubourg-Saint-Antoine, 75012 Paris, France
| | - Rabia Agca
- Amsterdam rheumatology and immunology center, location VU university medical center, P.O. box 7057, 1007MB Amsterdam, The Netherlands; Amsterdam rheumatology and immunology center, location Reade, P.O. box 58271, 1040HG Amsterdam, The Netherlands
| | - Saskia Vosslamber
- Department of pathology, VU university medical center, P.O. box 7057, 1007MB Amsterdam, The Netherlands
| | - Birgit I Witte
- Department of epidemiology and biostatistics, VU university medical center, P.O. box 7057, 1007MB Amsterdam, The Netherlands
| | - Michel Tsang-A-Sjoe
- Amsterdam rheumatology and immunology center, location VU university medical center, P.O. box 7057, 1007MB Amsterdam, The Netherlands
| | - Elise Mantel
- Amsterdam rheumatology and immunology center, location VU university medical center, P.O. box 7057, 1007MB Amsterdam, The Netherlands
| | - Johannes W Bijlsma
- Amsterdam rheumatology and immunology center, location VU university medical center, P.O. box 7057, 1007MB Amsterdam, The Netherlands; Amsterdam rheumatology and immunology center, location Reade, P.O. box 58271, 1040HG Amsterdam, The Netherlands
| | - Alexandre E Voskuyl
- Amsterdam rheumatology and immunology center, location VU university medical center, P.O. box 7057, 1007MB Amsterdam, The Netherlands
| | - Mike T Nurmohamed
- Amsterdam rheumatology and immunology center, location VU university medical center, P.O. box 7057, 1007MB Amsterdam, The Netherlands; Amsterdam rheumatology and immunology center, location Reade, P.O. box 58271, 1040HG Amsterdam, The Netherlands
| | - Cornelis L Verweij
- Department of pathology, VU university medical center, P.O. box 7057, 1007MB Amsterdam, The Netherlands
| | - Xavier Mariette
- Inserm U1184, rheumatology department, center for immunology of viral infections and autoimmune diseases, hôpitaux universitaires Paris-Sud, université Paris-Sud, AP-HP, 78, rue du Général-Leclerc, 94275 Le Kremlin-Bicêtre, France
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66
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Davis LS, Reimold AM. Transcriptional profiling of leukocytes from rheumatoid arthritis patients before and after anti-tumor necrosis factor therapy: A comparison of anti-nuclear antibody positive and negative subsets. Exp Ther Med 2017; 13:2183-2192. [PMID: 28565826 PMCID: PMC5443193 DOI: 10.3892/etm.2017.4265] [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: 05/18/2016] [Accepted: 01/06/2017] [Indexed: 12/13/2022] Open
Abstract
Anti-nuclear antibodies (ANAs) may be induced in patients with rheumatoid arthritis (RA) receiving anti-tumor necrosis factor (TNF) therapy with TNF inhibitors (TNFi), etanercept, infliximab or adalimumab. In the present study, 11 patients who were TNFi drug naive were started on TNFi at a time of high disease activity. Of these, all cases were positive for rheumatoid factor and 9 cases tested were positive for anti-citrullinated peptide (anti-CCP) antibodies prior to TNFi treatment. Peripheral blood mononuclear cells (PBMCs) and serum were collected from all patients before and after TNFi therapy. Serum was assayed for ANAs over time. Total cellular RNA was extracted from PBMCs and assessed using Illumina arrays. Gene expression profiles were examined for alterations in key effector pathways. After 3 or more months on TNFi, 6 patients converted to ANA-positivity. Analysis of transcripts from patients with RA who converted to ANA-positivity after 3 months on TNFi identified complex gene expression profiles that reflected a reduction in cell adhesion, cell stress and lipid metabolism transcripts. In summary, unique transcriptional profiles in PBMCs from patients with RA were observed after TNFi therapy. This pilot study suggests that transcriptional profiling is a precise method of measuring the impact of TNFi therapies and reveals novel pathways that likely influence the immune response.
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Affiliation(s)
- Laurie S Davis
- Rheumatic Diseases Division, Department of Internal Medicine, University of Texas Southwestern Medical Center, Dallas, TX 75390-8884, USA
| | - Andreas M Reimold
- Rheumatic Diseases Division, Department of Internal Medicine, University of Texas Southwestern Medical Center, Dallas, TX 75390-8884, USA.,Rheumatology Section, Dallas VA Medical Center, Dallas, TX 75216, USA
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Castañeda-Delgado JE, Bastián-Hernandez Y, Macias-Segura N, Santiago-Algarra D, Castillo-Ortiz JD, Alemán-Navarro AL, Martínez-Tejada P, Enciso-Moreno L, Garcia-De Lira Y, Olguín-Calderón D, Trouw LA, Ramos-Remus C, Enciso-Moreno JA. Type I Interferon Gene Response Is Increased in Early and Established Rheumatoid Arthritis and Correlates with Autoantibody Production. Front Immunol 2017; 8:285. [PMID: 28373872 PMCID: PMC5357778 DOI: 10.3389/fimmu.2017.00285] [Citation(s) in RCA: 46] [Impact Index Per Article: 6.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/16/2016] [Accepted: 02/28/2017] [Indexed: 12/21/2022] Open
Abstract
Background Rheumatoid arthritis (RA) is an inflammatory debilitating disease that affects the joints in the early and productive phases of an individual’s life. Several cytokines have been linked to the disease pathogenesis and are known to contribute to the inflammatory state characteristic of RA. The participation of type I interferon (IFN) in the pathogenesis of the disease has been already described as well as the identity of the genes that are regulated by this molecule, which are collectively known as the type I IFN signature. These genes have several functions associated with apoptosis, transcriptional regulation, protein degradation, Th2 cell induction, B cell proliferation, etc. This article evaluated the expression of several genes of the IFN signature in different stages of disease and their correlation with the levels of anticitrullinated protein antibodies (ACPA) anticarbamylated protein (Anti-CarP) antibodies. Methods Samples from individuals with early and established RA, high-risk individuals (ACPA+ and ACPA−), and healthy controls were recruited at “Unidad de Artritis y Rheumatismo” (Rheumatism and Arthritis Unit) in Guadalajara Jalisco Mexico. Determinations of ACPA were made with Eurodiagnostica ACPA plus kit. Anti-CarP determinations were made according to previously described protocols. RNA was isolated, and purity and integrity were determined according to RNA integrity number >6. Gene expression analysis was made by RT-qPCR using specific primers for mRNAs of the type I IFN signature. Relative gene expression was calculated according to Livak and Schmitgen. Results Significant differences in gene expression were identified when comparing the different groups for MXA and MXB (P < 0.05), also when comparing established RA and ACPA− in both IFIT 1 and G15. An increased expression of ISG15 was identified (P < 0.05), and a clear tendency toward increase was identified for HERC5. EPSTRI1, IFI6, and IFI35 were found to be elevated in the chronic/established RA and early RA (P < 0.05). Significant correlations were identified for the IFN signature genes with the levels of ACPA and anti-CarP (P < 0.05). Conclusion Our data confirm previous observations in the role of IFN signature and the pathogenesis of RA. Also, we provide evidence of an association between several genes of the IFN signature (that regulate Th2 cells and B cell proliferation) with the levels of anti-CarP antibodies and ACPA.
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Affiliation(s)
- Julio E Castañeda-Delgado
- Medical research Unit of Zacatecas, Mexican Institute of Social Security, UIMZ-IMSS, Zacatecas, Mexico; National Council of Science and Technology, CONACYT, Catedras-CONACYT, Zacatecas, Mexico
| | - Yadira Bastián-Hernandez
- Medical research Unit of Zacatecas, Mexican Institute of Social Security, UIMZ-IMSS, Zacatecas, Mexico; National Council of Science and Technology, CONACYT, Catedras-CONACYT, Zacatecas, Mexico
| | - Noe Macias-Segura
- Medical research Unit of Zacatecas, Mexican Institute of Social Security, UIMZ-IMSS, Zacatecas, Mexico; Departamento de fisiología y farmacología, centro de ciencias básicas, Universidad Autónoma de Aguascalientes, Aguascalientes, Aguascalientes, Mexico
| | - David Santiago-Algarra
- Medical research Unit of Zacatecas, Mexican Institute of Social Security, UIMZ-IMSS , Zacatecas , Mexico
| | - Jose D Castillo-Ortiz
- Unidad de Investigación en Enfermedades Crónico-Degenerativas , Guadalajara, Jalisco , México
| | - Ana L Alemán-Navarro
- Medical research Unit of Zacatecas, Mexican Institute of Social Security, UIMZ-IMSS , Zacatecas , Mexico
| | - Pedro Martínez-Tejada
- General Hospital: "Emilio Varela Lujan", Mexican Institute of Social Security, IMSS , Zacatecas , Mexico
| | - Leonor Enciso-Moreno
- Medical research Unit of Zacatecas, Mexican Institute of Social Security, UIMZ-IMSS , Zacatecas , Mexico
| | - Yolanda Garcia-De Lira
- Medical research Unit of Zacatecas, Mexican Institute of Social Security, UIMZ-IMSS , Zacatecas , Mexico
| | - Diana Olguín-Calderón
- Medical research Unit of Zacatecas, Mexican Institute of Social Security, UIMZ-IMSS , Zacatecas , Mexico
| | - Leendert A Trouw
- Department of Rheumatology, Leiden University Medical Center , Leiden , Netherlands
| | | | - Jose A Enciso-Moreno
- Medical research Unit of Zacatecas, Mexican Institute of Social Security, UIMZ-IMSS , Zacatecas , Mexico
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68
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Mizraji G, Nassar M, Segev H, Sharawi H, Eli-Berchoer L, Capucha T, Nir T, Tabib Y, Maimon A, Dishon S, Shapira L, Nussbaum G, Wilensky A, Hovav AH. Porphyromonas gingivalis Promotes Unrestrained Type I Interferon Production by Dysregulating TAM Signaling via MYD88 Degradation. Cell Rep 2017; 18:419-431. [DOI: 10.1016/j.celrep.2016.12.047] [Citation(s) in RCA: 24] [Impact Index Per Article: 3.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/30/2016] [Revised: 11/21/2016] [Accepted: 12/14/2016] [Indexed: 01/12/2023] Open
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de Jong TD, Lübbers J, Turk S, Vosslamber S, Mantel E, Bontkes HJ, van der Laken CJ, Bijlsma JW, van Schaardenburg D, Verweij CL. The type I interferon signature in leukocyte subsets from peripheral blood of patients with early arthritis: a major contribution by granulocytes. Arthritis Res Ther 2016; 18:165. [PMID: 27411379 PMCID: PMC4944477 DOI: 10.1186/s13075-016-1065-3] [Citation(s) in RCA: 23] [Impact Index Per Article: 2.9] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/14/2016] [Accepted: 06/27/2016] [Indexed: 01/04/2023] Open
Abstract
Background The type I interferon (IFN) signature in rheumatoid arthritis (RA) has shown clinical relevance in relation to disease onset and therapeutic response. Identification of the cell type(s) contributing to this IFN signature could provide insight into the signature’s functional consequences. The aim of this study was to investigate the contribution of peripheral leukocyte subsets to the IFN signature in early arthritis. Methods Blood was collected from 26 patients with early arthritis and lysed directly or separated into peripheral blood mononuclear cells (PBMCs) and polymorphonuclear granulocytes (PMNs). PBMCs were sorted into CD4+ T cells, CD8+ T cells, CD19+ B cells, and CD14+ monocytes by flow cytometry. Messenger RNA expression of three interferon response genes (IRGs RSAD2, IFI44L, and MX1) and type I interferon receptors (IFNAR1 and IFNAR2) was determined in whole blood and blood cell subsets by quantitative polymerase chain reaction. IRG expression was averaged to calculate an IFN score for each sample. Results Patients were designated “IFNhigh” (n = 8) or “IFNlow” (n = 18) on the basis of an IFN score cutoff in whole peripheral blood from healthy control subjects. The difference in IFN score between IFNhigh and IFNlow patients was remarkably large for the PMN fraction (mean 25-fold) compared with the other subsets (mean 6- to 9-fold), indicating that PMNs are the main inducers of IRGs. Moreover, the relative contribution of the PMN fraction to the whole-blood IFN score was threefold higher than expected from its abundance in blood (p = 0.008), whereas it was three- to sixfold lower for the other subsets (p ≤ 0.063), implying that the PMNs are most sensitive to IFN signaling. Concordantly, IFNAR1 and IFNAR2 were upregulated compared with healthy controls selectively in patient PMNs (p ≤ 0.0077) but not in PBMCs. Conclusions PMNs are the main contributors to the whole-blood type I IFN signature in patients with early arthritis, which seems due to increased sensitivity of these cells to type I IFN signaling. Considering the well-established role of neutrophils in the pathology of arthritis, this suggests a role of type I IFN activity in the disease as well. Electronic supplementary material The online version of this article (doi:10.1186/s13075-016-1065-3) contains supplementary material, which is available to authorized users.
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Affiliation(s)
- Tamarah D de Jong
- Department of Pathology, VU University Medical Center, Amsterdam, The Netherlands. .,Amsterdam Rheumatology and Immunology Center, VU University Medical Center, Amsterdam, The Netherlands.
| | - Joyce Lübbers
- Department of Pathology, VU University Medical Center, Amsterdam, The Netherlands
| | - Samina Turk
- Amsterdam Rheumatology and Immunology Center, VU University Medical Center, Reade, Amsterdam, The Netherlands
| | - Saskia Vosslamber
- Department of Pathology, VU University Medical Center, Amsterdam, The Netherlands
| | - Elise Mantel
- Department of Pathology, VU University Medical Center, Amsterdam, The Netherlands.,Amsterdam Rheumatology and Immunology Center, VU University Medical Center, Amsterdam, The Netherlands
| | - Hetty J Bontkes
- Department of Pathology, VU University Medical Center, Amsterdam, The Netherlands.,Present address: Department of Oral Cell Biology, Academisch Centrum Tandheelkunde Amsterdam, Amsterdam, The Netherlands
| | - Conny J van der Laken
- Amsterdam Rheumatology and Immunology Center, VU University Medical Center, Amsterdam, The Netherlands
| | - Johannes W Bijlsma
- Amsterdam Rheumatology and Immunology Center, VU University Medical Center, Amsterdam, The Netherlands.,Amsterdam Rheumatology and Immunology Center, VU University Medical Center, Reade, Amsterdam, The Netherlands.,Amsterdam Rheumatology and Immunology Center, VU University Medical Center, Academic Medical Center, Amsterdam, The Netherlands
| | - Dirkjan van Schaardenburg
- Amsterdam Rheumatology and Immunology Center, VU University Medical Center, Reade, Amsterdam, The Netherlands.,Amsterdam Rheumatology and Immunology Center, VU University Medical Center, Academic Medical Center, Amsterdam, The Netherlands
| | - Cornelis L Verweij
- Department of Pathology, VU University Medical Center, Amsterdam, The Netherlands
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70
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Flint SM, Jovanovic V, Teo BW, Mak A, Thumboo J, McKinney EF, Lee JC, MacAry P, Kemeny DM, Jayne DR, Fong KY, Lyons PA, Smith KG. Leucocyte subset-specific type 1 interferon signatures in SLE and other immune-mediated diseases. RMD Open 2016; 2:e000183. [PMID: 27252891 PMCID: PMC4879345 DOI: 10.1136/rmdopen-2015-000183] [Citation(s) in RCA: 19] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/02/2015] [Revised: 02/01/2016] [Accepted: 03/24/2016] [Indexed: 01/05/2023] Open
Abstract
Objectives Type 1 interferons (IFN-1) are implicated in the pathogenesis of systemic lupus erythematosus (SLE), but most studies have only reported the effect of IFN-1 on mixed cell populations. We aimed to define modules of IFN-1-associated genes in purified leucocyte populations and use these as a basis for a detailed comparative analysis. Methods CD4+ and CD8+ T cells, monocytes and neutrophils were purified from patients with SLE, other immune-mediated diseases and healthy volunteers and gene expression then determined by microarray. Modules of IFN-1-associated genes were defined using weighted gene coexpression network analysis. The composition and expression of these modules was analysed. Results 1150 of 1288 IFN-1-associated genes were specific to myeloid subsets, compared with 11 genes unique to T cells. IFN-1 genes were more highly expressed in myeloid subsets compared with T cells. A subset of neutrophil samples from healthy volunteers (HV) and conditions not classically associated with IFN-1 signatures displayed increased IFN-1 gene expression, whereas upregulation of IFN-1-associated genes in T cells was restricted to SLE. Conclusions Given the broad upregulation of IFN-1 genes in neutrophils including in some HV, investigators reporting IFN-1 signatures on the basis of whole blood samples should be cautious about interpreting this as evidence of bona fide IFN-1-mediated pathology. Instead, specific upregulation of IFN-1-associated genes in T cells may be a useful biomarker and a further mechanism by which elevated IFN-1 contributes to autoimmunity in SLE.
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Affiliation(s)
- Shaun M Flint
- Department of Medicine, The University of Cambridge, Cambridge, UK; Cambridge Institute of Medical Research, The University of Cambridge, Cambridge, UK
| | - Vojislav Jovanovic
- Immunology Programme and Department of Microbiology Centre for Life Sciences , National University of Singapore , Singapore , Singapore
| | - Boon Wee Teo
- Department of Medicine , Yong Loo Lin School of Medicine, National University of Singapore , Singapore , Singapore
| | - Anselm Mak
- Department of Medicine , Yong Loo Lin School of Medicine, National University of Singapore , Singapore , Singapore
| | - Julian Thumboo
- Department of Rheumatology and Immunology , Singapore General Hospital , Singapore , Singapore
| | - Eoin F McKinney
- Department of Medicine, The University of Cambridge, Cambridge, UK; Cambridge Institute of Medical Research, The University of Cambridge, Cambridge, UK
| | - James C Lee
- Department of Medicine, The University of Cambridge, Cambridge, UK; Cambridge Institute of Medical Research, The University of Cambridge, Cambridge, UK
| | - Paul MacAry
- Immunology Programme and Department of Microbiology Centre for Life Sciences , National University of Singapore , Singapore , Singapore
| | - David M Kemeny
- Immunology Programme and Department of Microbiology Centre for Life Sciences , National University of Singapore , Singapore , Singapore
| | - David Rw Jayne
- Department of Medicine , The University of Cambridge , Cambridge , UK
| | - Kok Yong Fong
- Department of Rheumatology and Immunology , Singapore General Hospital , Singapore , Singapore
| | - Paul A Lyons
- Department of Medicine, The University of Cambridge, Cambridge, UK; Cambridge Institute of Medical Research, The University of Cambridge, Cambridge, UK
| | - Kenneth Gc Smith
- Department of Medicine, The University of Cambridge, Cambridge, UK; Cambridge Institute of Medical Research, The University of Cambridge, Cambridge, UK; Department of Medicine, Yong Loo Lin School of Medicine, National University of Singapore, Singapore, Singapore
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71
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Márquez A, Martín J, Carmona FD. Emerging aspects of molecular biomarkers for diagnosis, prognosis and treatment response in rheumatoid arthritis. Expert Rev Mol Diagn 2016; 16:663-75. [DOI: 10.1080/14737159.2016.1174579] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/13/2022]
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72
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Thieblemont N, Wright HL, Edwards SW, Witko-Sarsat V. Human neutrophils in auto-immunity. Semin Immunol 2016; 28:159-73. [DOI: 10.1016/j.smim.2016.03.004] [Citation(s) in RCA: 109] [Impact Index Per Article: 13.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 02/20/2016] [Revised: 03/08/2016] [Accepted: 03/12/2016] [Indexed: 01/06/2023]
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73
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Alunno A, Caneparo V, Bistoni O, Caterbi S, Terenzi R, Gariglio M, Bartoloni E, Manzo A, Landolfo S, Gerli R. Circulating Interferon-Inducible Protein IFI16 Correlates With Clinical and Serological Features in Rheumatoid Arthritis. Arthritis Care Res (Hoboken) 2016; 68:440-5. [DOI: 10.1002/acr.22695] [Citation(s) in RCA: 16] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/19/2015] [Revised: 08/05/2015] [Accepted: 08/11/2015] [Indexed: 12/20/2022]
Affiliation(s)
| | | | | | | | | | | | | | - Antonio Manzo
- IRCCS Policlinico S. Matteo Foundation/University of Pavia; Pavia Italy
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Wampler Muskardin T, Vashisht P, Dorschner JM, Jensen MA, Chrabot BS, Kern M, Curtis JR, Danila MI, Cofield SS, Shadick N, Nigrovic PA, St Clair EW, Bingham CO, Furie R, Robinson W, Genovese M, Striebich CC, O'Dell JR, Thiele GM, Moreland LW, Levesque M, Bridges SL, Gregersen PK, Niewold TB. Increased pretreatment serum IFN-β/α ratio predicts non-response to tumour necrosis factor α inhibition in rheumatoid arthritis. Ann Rheum Dis 2015; 75:1757-62. [PMID: 26546586 DOI: 10.1136/annrheumdis-2015-208001] [Citation(s) in RCA: 32] [Impact Index Per Article: 3.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/28/2015] [Accepted: 10/18/2015] [Indexed: 02/02/2023]
Abstract
OBJECTIVE Studies suggest that circulating type I interferon (IFN) may predict response to biological agents in rheumatoid arthritis (RA). Prediction of response prior to initiating therapy would represent a major advancement. METHODS We studied sera from a test set of 32 patients with RA from the Auto-immune Biomarkers Collaborative Network Consortium and a validation set of 92 patients with RA from the Treatment Efficacy and Toxicity in Rheumatoid Arthritis Database and Repository registry. The test set included those with good response or no response to tumour necrosis factor (TNF) inhibitors at 14 weeks by European League Against Rheumatism criteria. The validation set included subjects with good, moderate or no response at 12 weeks. Total serum type I IFN activity, IFN-α and IFN-β activity were measured using a functional reporter cell assay. RESULTS In the test set, an increased ratio of IFN-β to IFN-α (IFN-β/α activity ratio) in pretreatment serum associated with lack of response to TNF inhibition (p=0.013). Anti-cyclic citrullinated peptide antibody titre and class of TNF inhibitor did not influence this relationship. A receiver-operator curve supported a ratio of 1.3 as the optimal cut-off. In the validation set, subjects with an IFN-β/α activity ratio >1.3 were significantly more likely to have non-response than good response (OR=6.67, p=0.018). The test had 77% specificity and 45% sensitivity for prediction of non-response compared with moderate or good response. Meta-analysis of test and validation sets confirmed strong predictive capacity of IFN-β/α activity ratio (p=0.005). CONCLUSIONS Increased pretreatment serum IFN-β/α ratio strongly associated with non-response to TNF inhibition. This study supports further investigation of serum type I IFN in predicting outcome of TNF inhibition in RA.
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Affiliation(s)
| | - Priyanka Vashisht
- Division of Rheumatology, University of Nebraska Medical Center, Omaha, USA
| | | | - Mark A Jensen
- Division of Rheumatology, Mayo Clinic, Rochester, Minnesota, USA
| | - Beverly S Chrabot
- Gwen Knapp Center for Lupus and Immunology Research, University of Chicago, Chicago, Illinois, USA
| | - Marlena Kern
- Center for Genomics and Human Genetics, Feinstein Institute Medical Research, North Shore LIJ Health System, New York, New York, USA
| | - Jeffrey R Curtis
- Division of Clinical Immunology and Rheumatology, University of Alabama, Birmingham, Alabama, USA
| | - Maria I Danila
- Division of Clinical Immunology and Rheumatology, University of Alabama, Birmingham, Alabama, USA
| | - Stacey S Cofield
- Division of Clinical Immunology and Rheumatology, University of Alabama, Birmingham, Alabama, USA
| | - Nancy Shadick
- Division of Rheumatology, Immunology and Allergy, Brigham and Women's Hospital, Boston, Massachusetts, USA
| | - Peter A Nigrovic
- Division of Rheumatology, Immunology and Allergy, Brigham and Women's Hospital, Boston, Massachusetts, USA
| | | | - Clifton O Bingham
- Divisions of Rheumatology and Allergy, Johns Hopkins University, Baltimore, USA
| | - Richard Furie
- Division of Rheumatology and Allergy-Clinical Immunology, North Shore-LIJ Health System, Lake success, New York, USA
| | - William Robinson
- Division of Immunology and Rheumatology, Stanford University, Stanford, California, USA
| | - Mark Genovese
- Division of Immunology and Rheumatology, Stanford University, Stanford, California, USA
| | | | - James R O'Dell
- Division of Rheumatology, University of Nebraska Medical Center, Omaha, USA
| | - Geoffrey M Thiele
- Division of Rheumatology, University of Nebraska Medical Center, Omaha, USA
| | - Larry W Moreland
- Division of Rheumatology, University of Pittsburgh, Pittsburgh, Pennsylvania, USA
| | - Marc Levesque
- Division of Rheumatology, University of Pittsburgh, Pittsburgh, Pennsylvania, USA
| | - S Louis Bridges
- Division of Clinical Immunology and Rheumatology, University of Alabama, Birmingham, Alabama, USA
| | - Peter K Gregersen
- Center for Genomics and Human Genetics, Feinstein Institute Medical Research, North Shore LIJ Health System, New York, New York, USA
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75
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Thomas HB, Moots RJ, Edwards SW, Wright HL. Whose Gene Is It Anyway? The Effect of Preparation Purity on Neutrophil Transcriptome Studies. PLoS One 2015; 10:e0138982. [PMID: 26401909 PMCID: PMC4581699 DOI: 10.1371/journal.pone.0138982] [Citation(s) in RCA: 31] [Impact Index Per Article: 3.4] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/30/2015] [Accepted: 09/08/2015] [Indexed: 01/07/2023] Open
Abstract
Protocols for the isolation of neutrophils from whole blood often result in neutrophil preparations containing low numbers (~5%) of contaminating leukocytes, and it is possible that these contaminating cells contribute to highly sensitive assays that measure neutrophil gene expression (e.g. qPCR). We investigated the contribution of contaminating leukocytes on the transcriptome profile of human neutrophils following stimulation with inflammatory cytokines (GM-CSF, TNFα), using RNA-Seq. Neutrophils were isolated using Polymorphprep or the StemCell untouched neutrophil isolation kit (negative selection of “highly pure” neutrophils). The level of contamination was assessed by morphology and flow cytometry. The major source of contamination in Polymorphprep neutrophil preparations was from eosinophils and was highly donor dependent. Contaminating cells were largely, but not completely, absent in neutrophil suspensions prepared using negative selection, but the overall yield of neutrophils was decreased by around 50%. RNA-seq analysis identified only 25 genes that were significantly differentially-expressed between Polymorphprep and negatively-selected neutrophils across all three treatment groups (untreated, GM-CSF, TNFα). The expression levels of 34 cytokines/chemokines both before and after GM-CSF or TNFα treatment were not significantly different between neutrophil isolation methods and therefore not affected by contributions from non-neutrophil cell types. This work demonstrates that low numbers (<5%) of contaminating leukocytes in neutrophil preparations contribute very little to the overall gene expression profile of cytokine-stimulated neutrophils, and that protocols for the isolation of highly pure neutrophils result in significantly lower yields of cells which may hinder investigations where large numbers of cells are required or where volumes of blood are limited.
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Affiliation(s)
- Huw B. Thomas
- Institute of Integrative Biology, University of Liverpool, Liverpool, United Kingdom
| | - Robert J. Moots
- Institute of Ageing and Chronic Disease, University Hospital Aintree, University of Liverpool, Liverpool, United Kingdom
| | - Steven W. Edwards
- Institute of Integrative Biology, University of Liverpool, Liverpool, United Kingdom
| | - Helen L. Wright
- Institute of Integrative Biology, University of Liverpool, Liverpool, United Kingdom
- * E-mail:
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76
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Song YJ, Li G, He JH, Guo Y, Yang L. Bioinformatics-Based Identification of MicroRNA-Regulated and Rheumatoid Arthritis-Associated Genes. PLoS One 2015; 10:e0137551. [PMID: 26359667 PMCID: PMC4567271 DOI: 10.1371/journal.pone.0137551] [Citation(s) in RCA: 18] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/15/2015] [Accepted: 08/19/2015] [Indexed: 01/06/2023] Open
Abstract
MicroRNAs (miRNAs) act as epigenetic markers and regulate the expression of their target genes, including those characterized as regulators in autoimmune diseases. Rheumatoid arthritis (RA) is one of the most common autoimmune diseases. The potential roles of miRNA-regulated genes in RA pathogenesis have greatly aroused the interest of clinicians and researchers in recent years. In the current study, RA-related miRNAs records were obtained from PubMed through conditional literature retrieval. After analyzing the selected records, miRNA targeted genes were predicted. We identified 14 RA-associated miRNAs, and their sub-analysis in 5 microarray or RNA sequencing (RNA-seq) datasets was performed. The microarray and RNA-seq data of RA were also downloaded from NCBI Gene Expression Omnibus (GEO) and Sequence Read Archive (SRA), analyzed, and annotated. Using a bioinformatics approach, we identified a series of differentially expressed genes (DEGs) by comparing studies on RA and the controls. The RA-related gene expression profile was thus obtained and the expression of miRNA-regulated genes was analyzed. After functional annotation analysis, we found GO molecular function (MF) terms significantly enriched in calcium ion binding (GO: 0005509). Moreover, some novel dysregulated target genes were identified in RA through integrated analysis of miRNA/mRNA expression. The result revealed that the expression of a number of genes, including ROR2, ABI3BP, SMOC2, etc., was not only affected by dysregulated miRNAs, but also altered in RA. Our findings indicate that there is a close association between negatively correlated mRNA/miRNA pairs and RA. These findings may be applied to identify genetic markers for RA diagnosis and treatment in the future.
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Affiliation(s)
- Yi-Jiang Song
- Key Laboratory of Biorheological Science and Technology, Ministry of Education, Bioengineering College, Chongqing University, Chongqing, China
| | - Guiling Li
- Institute of Genomic Medicine, Wenzhou Medical University, Wenzhou, Zhejiang Province, China
| | - Jian-Hua He
- Key Laboratory of Biorheological Science and Technology, Ministry of Education, Bioengineering College, Chongqing University, Chongqing, China
| | - Yao Guo
- Key Laboratory of Biorheological Science and Technology, Ministry of Education, Bioengineering College, Chongqing University, Chongqing, China
| | - Li Yang
- Key Laboratory of Biorheological Science and Technology, Ministry of Education, Bioengineering College, Chongqing University, Chongqing, China
- * E-mail:
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77
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Jiang K, Sun X, Chen Y, Shen Y, Jarvis JN. RNA sequencing from human neutrophils reveals distinct transcriptional differences associated with chronic inflammatory states. BMC Med Genomics 2015; 8:55. [PMID: 26310571 PMCID: PMC4551565 DOI: 10.1186/s12920-015-0128-7] [Citation(s) in RCA: 44] [Impact Index Per Article: 4.9] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/17/2015] [Accepted: 08/11/2015] [Indexed: 12/29/2022] Open
Abstract
BACKGROUND The transcriptional complexity of mammalian cells suggests that they have broad abilities to respond to specific environmental stimuli and physiologic contexts. These abilities were not apparent a priori from the structure of mammalian genomes, but have been identified through detailed transcriptome analyses. In this study, we examined the transcriptomes of cells of the innate immune system, human neutrophils, using RNA sequencing (RNAseq). METHODS We sequenced poly-A RNA from nine individual samples corresponding to specific phenotypes: three children with active, untreated juvenile idiopathic arthritis (JIA)(AD), three children with the same disease whose disease was inactive on medication (CRM), and three children with cystic fibrosis (CF). RESULTS We demonstrate that transcriptomes of neutrophils, typically considered non-specific in their responses and functions, display considerable specificity in their transcriptional repertoires dependent on the pathologic context, and included genes, gene isoforms, and long non-coding RNA transcripts. Furthermore, despite the small sample numbers, these findings demonstrate the potential of RNAseq approaches to biomarker development in rheumatic diseases. CONCLUSIONS These data demonstrate the capacity of cells previously considered non-specific in function to adapt their transcriptomes to specific biologic contexts. These data also provide insight into previously unrecognized pathological pathways and show considerable promise for elucidating disease and disease-state specific regulatory networks.
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Affiliation(s)
- Kaiyu Jiang
- Department of Pediatrics, State University of New York at Buffalo School of Medicine, Buffalo, NY, USA.
| | - Xiaoyun Sun
- JP Sulzberger Columbia Genome Center, Columbia University Medical Center, New York, NY, USA.
| | - Yanmin Chen
- Department of Pediatrics, State University of New York at Buffalo School of Medicine, Buffalo, NY, USA.
| | - Yufeng Shen
- JP Sulzberger Columbia Genome Center, Columbia University Medical Center, New York, NY, USA. .,Departments of Systems Biology and Biomedical Informatics, Columbia University Medical Center, New York, NY, USA.
| | - James N Jarvis
- Department of Pediatrics, State University of New York at Buffalo School of Medicine, Buffalo, NY, USA.
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78
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Felis-Giemza A, Moots RJ. Measurement of anti-drug antibodies to biologic drugs. Rheumatology (Oxford) 2015; 54:1941-3. [PMID: 26272073 DOI: 10.1093/rheumatology/kev279] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 07/02/2015] [Indexed: 02/04/2023] Open
Affiliation(s)
- Anna Felis-Giemza
- Connective Tissue Disease Clinic, Institute of Rheumatology, Warsaw, Poland and
| | - Robert J Moots
- Department of Musculoskeletal Biology, Institute for Ageing and Chronic Disease, University of Liverpool, Clinical Sciences Centre, Aintree University Hospital, Liverpool, UK
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79
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Systemic Autoimmune, Rheumatic Diseases and Coinciding Psoriasis: Data from a Large Single-Centre Registry and Review of the Literature. Mediators Inflamm 2015; 2015:657907. [PMID: 26339139 PMCID: PMC4539075 DOI: 10.1155/2015/657907] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/14/2014] [Accepted: 11/10/2014] [Indexed: 01/10/2023] Open
Abstract
Psoriasis is a systemic immune-inflammatory disease characterized by chronic or recurrent skin symptoms, psoriatic arthritis, enthesopathy, and uveitis. Psoriasis has recently been published to appear with various autoimmune disorders, but the coexistence has been systematically reviewed by only few studies until now. In the present study, charts and electronic database of 4344 patients with various systemic autoimmune disorders, under regular medical control at our department, were reviewed retrospectively searching for association with psoriasis. Hereby, we demonstrate 25 psoriatic patients coinciding with various systemic autoimmune diseases. The coexistence of psoriasis and autoimmune diseases resulted in the worsening of the clinical outcome of the autoimmune diseases as indicated by higher frequency and dosages of glucocorticoid use, need for biologicals, and other comorbidities. These results suggest common environmental and genetic background as well as therapeutic possibilities in the future.
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80
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Herdy B, Karonitsch T, Vladimer GI, Tan CSH, Stukalov A, Trefzer C, Bigenzahn JW, Theil T, Holinka J, Kiener HP, Colinge J, Bennett KL, Superti-Furga G. The RNA-binding protein HuR/ELAVL1 regulates IFN-β mRNA abundance and the type I IFN response. Eur J Immunol 2015; 45:1500-11. [PMID: 25678110 DOI: 10.1002/eji.201444979] [Citation(s) in RCA: 42] [Impact Index Per Article: 4.7] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/30/2014] [Revised: 12/18/2014] [Accepted: 02/06/2015] [Indexed: 12/26/2022]
Abstract
Secretion of type I interferon (IFN) is the first cellular reaction to invading pathogens. Despite the protective function of these cytokines, an excessive response to their action can contribute to serious pathologies, such as autoimmune diseases. Transcripts of most cytokines contain adenylate-uridylate (A/U)-rich elements (AREs) that make them highly unstable. RNA-binding proteins (RBPs) are mediators of the regulatory mechanisms that determine the fate of mRNAs containing AREs. Here, we applied an affinity proteomic approach and identified lethal, abnormal vision, drosophila-like 1 (ELAVL1)/Hu antigen R (HuR) as the predominant RBP of the IFN-β mRNA ARE. Reduced expression or chemical inhibition of HuR severely hampered the type I IFN response in various cell lines and fibroblast-like synoviocytes isolated from joints of rheumatoid arthritis patients. These results define a role for HuR as a potent modulator of the type I IFN response. Taken together, HuR could be used as therapeutic target for diseases where type I IFN production is exaggerated.
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Affiliation(s)
- Barbara Herdy
- Research Center for Molecular Medicine of the Austrian Academy of Sciences, Vienna, Austria
| | - Thomas Karonitsch
- Research Center for Molecular Medicine of the Austrian Academy of Sciences, Vienna, Austria.,Division of Rheumatology, Department of Medicine III, Medical University of Vienna, Vienna, Austria
| | - Gregory I Vladimer
- Research Center for Molecular Medicine of the Austrian Academy of Sciences, Vienna, Austria
| | - Chris S H Tan
- Research Center for Molecular Medicine of the Austrian Academy of Sciences, Vienna, Austria
| | - Alexey Stukalov
- Research Center for Molecular Medicine of the Austrian Academy of Sciences, Vienna, Austria
| | - Claudia Trefzer
- Research Center for Molecular Medicine of the Austrian Academy of Sciences, Vienna, Austria
| | - Johannes W Bigenzahn
- Research Center for Molecular Medicine of the Austrian Academy of Sciences, Vienna, Austria
| | - Tamara Theil
- Research Center for Molecular Medicine of the Austrian Academy of Sciences, Vienna, Austria
| | - Johannes Holinka
- Department of Orthopedics, Medical University of Vienna, Vienna, Austria
| | - Hans P Kiener
- Division of Rheumatology, Department of Medicine III, Medical University of Vienna, Vienna, Austria
| | - Jacques Colinge
- Research Center for Molecular Medicine of the Austrian Academy of Sciences, Vienna, Austria
| | - Keiryn L Bennett
- Research Center for Molecular Medicine of the Austrian Academy of Sciences, Vienna, Austria
| | - Giulio Superti-Furga
- Research Center for Molecular Medicine of the Austrian Academy of Sciences, Vienna, Austria
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81
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Kumar S, Dikshit M. [What is your diagnosis? (Cutaneous leishmaniasis)]. Front Immunol 1983; 10:2099. [PMID: 31616403 PMCID: PMC6764236 DOI: 10.3389/fimmu.2019.02099] [Citation(s) in RCA: 149] [Impact Index Per Article: 3.6] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/22/2019] [Accepted: 08/20/2019] [Indexed: 12/25/2022] Open
Abstract
Neutrophils are the most abundant, short lived, and terminally differentiated leukocytes with distinct tiers of arsenals to counter pathogens. Neutrophils were traditionally considered transcriptionally inactive cells, but recent researches in the field led to a paradigm shift in neutrophil biology and revealed subpopulation heterogeneity, and functions pivotal to immunity and inflammation. Furthermore, recent unfolding of metabolic plasticity in neutrophils has challenged the long-standing concept of their sole dependence on glycolytic pathway. Metabolic adaptations and distinct regulations have been identified which are critical for neutrophil differentiation and functions. The metabolic reprogramming of neutrophils by inflammatory mediators or during pathologies such as sepsis, diabetes, glucose-6-phosphate dehydrogenase deficiency, glycogen storage diseases (GSDs), systemic lupus erythematosus (SLE), rheumatoid arthritis, and cancer are now being explored. In this review, we discuss recent developments in understanding of the metabolic regulation, that may provide clues for better management and newer therapeutic opportunities for neutrophil centric immuno-deficiencies and inflammatory disorders.
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Affiliation(s)
- Sachin Kumar
- Pharmacology Division, CSIR-Central Drug Research Institute, Lucknow, India
- *Correspondence: Sachin Kumar
| | - Madhu Dikshit
- Translational Health Science and Technology Institute, Faridabad, India
- Madhu Dikshit ;
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