51
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Xiong Y, Mi BB, Liu MF, Xue H, Wu QP, Liu GH. Bioinformatics Analysis and Identification of Genes and Molecular Pathways Involved in Synovial Inflammation in Rheumatoid Arthritis. Med Sci Monit 2019; 25:2246-2256. [PMID: 30916045 PMCID: PMC6448456 DOI: 10.12659/msm.915451] [Citation(s) in RCA: 20] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/14/2022] Open
Abstract
BACKGROUND Rheumatoid arthritis (RA) has a high prevalence in the elderly population. The genes and pathways in the inflamed synovium in patients with RA are poorly understood. This study aimed to identify differentially expressed genes (DEGs) linked to the progression of synovial inflammation in RA using bioinformatics analysis. MATERIAL AND METHODS Gene expression profiles of datasets GSE55235 and GSE55457 were acquired from the Gene Expression Omnibus (GEO) database. DEGs were identified using Morpheus software, and co-expressed DEGs were identified with Venn diagrams. Protein-protein interaction (PPI) networks were assembled with Cytoscape software and separated into subnetworks using the Molecular Complex Detection (MCODE) algorithm. The functions of the top module were assessed using the Database for Annotation, Visualization, and Integrated Discovery (DAVID). The Gene Ontology (GO) and Kyoto Encyclopedia of Genes and Genomes (KEGG) pathway enrichment analysis were performed. RESULTS DEGs that were upregulated were significantly enhanced in protein binding, the cell cytosol, organization of the extracellular matrix (ECM), regulation of RNA transcription, and cell adhesion. DEGs that were downregulated were associated with control of the immune response, B-cell and T-cell receptor signaling pathway regulation. KEGG pathway analysis showed that upregulated DEGs enhanced pathways associated with the cell adherens junction, osteoclast differentiation, and hereditary cardiomyopathies. Downregulated DEGs were enriched in primary immunodeficiency, cell adhesion molecules (CAMs), cytokine-cytokine receptor interaction, and hematopoietic cell lineages. CONCLUSIONS The findings from this bioinformatics network analysis study identified molecular mechanisms and the key hub genes that may contribute to synovial inflammation in patients with RA.
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Affiliation(s)
- Yuan Xiong
- Department of Orthopedics, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, Hubei, China (mainland)
| | - Bo-Bin Mi
- Department of Orthopedics, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, Hubei, China (mainland)
| | - Meng-Fei Liu
- Department of Orthopedics, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, Hubei, China (mainland)
| | - Hang Xue
- Department of Orthopedics, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, Hubei, China (mainland)
| | - Qi-Peng Wu
- Department of Orthopedics, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, Hubei, China (mainland)
| | - Guo-Hui Liu
- Department of Orthopedics, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, Hubei, China (mainland)
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52
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Salvi V, Gianello V, Tiberio L, Sozzani S, Bosisio D. Cytokine Targeting by miRNAs in Autoimmune Diseases. Front Immunol 2019; 10:15. [PMID: 30761124 PMCID: PMC6361839 DOI: 10.3389/fimmu.2019.00015] [Citation(s) in RCA: 75] [Impact Index Per Article: 15.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/05/2018] [Accepted: 01/04/2019] [Indexed: 12/21/2022] Open
Abstract
Persistent and excessive cytokine production is a hallmark of autoimmune diseases and may play a role in disease pathogenesis and amplification. Therefore, cytokine neutralization is a useful therapeutic strategy to treat immune-mediated conditions. MicroRNAs (miRNAs) are small non-coding RNA molecules that regulate gene expression in diverse biological processes. Altered miRNA levels are observed in most autoimmune diseases and are recognized to influence autoimmunity through different mechanisms. Here, we review the impact of altered miRNA levels on the expression of cytokines that play a relevant pathogenic role in autoimmunity, namely primary pro-inflammatory cytokines, the IL-17/IL-23 axis, type I interferons and IL-10. Regulation can be either “direct” on the target cytokine, or “indirect,” meaning that one given miRNA post-transcriptionally regulates the expression of a protein that in turn influences the level of the cytokine. In addition, miRNAs associated with extracellular vesicles can regulate cytokine production in neighboring cells, either post-transcriptionally or via the stimulation of innate immune RNA-sensors, such as Toll-like receptors. Because of their tremendous potential as physiological and pathological regulators, miRNAs are in the limelight as promising future biopharmaceuticals. Thus, these studies may lead in the near future to the design and testing of therapeutic miRNAs as next generation drugs to target pathogenic cytokines in autoimmunity.
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Affiliation(s)
- Valentina Salvi
- Department of Molecular and Translational Medicine, University of Brescia, Brescia, Italy
| | - Veronica Gianello
- Department of Molecular and Translational Medicine, University of Brescia, Brescia, Italy
| | - Laura Tiberio
- Department of Molecular and Translational Medicine, University of Brescia, Brescia, Italy
| | - Silvano Sozzani
- Department of Molecular and Translational Medicine, University of Brescia, Brescia, Italy
| | - Daniela Bosisio
- Department of Molecular and Translational Medicine, University of Brescia, Brescia, Italy
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53
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Luo D, Zuo Z, Zhao H, Tan Y, Xiao C. Immunoregulatory effects of Tripterygium wilfordii Hook F and its extracts in clinical practice. Front Med 2019; 13:556-563. [PMID: 30604167 DOI: 10.1007/s11684-018-0649-5] [Citation(s) in RCA: 47] [Impact Index Per Article: 9.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/18/2017] [Accepted: 04/26/2018] [Indexed: 12/17/2022]
Abstract
Tripterygium wilfordii Hook F (TwHF) and its extracts have long been used for the treatment of rheumatoid arthritis, autoimmune diseases, and kidney disease due to their anti-inflammatory, immunoregulatory, and other pharmacological effects. However, the clinical immunoregulatory effects of TwHF and its extracts remain unclear, so we reviewed their effects for use in clinical practice. This review provides a comprehensive summary of the recent literature on the immunoregulatory effects of TwHF and its extracts in clinical studies. TwHF and its extracts affect the proliferation and activation of Tand B cells; ratio of Tcell subsets; inflammatory response of monocytes, macrophages, and immunoglobulins; and secretion of many cytokines. Together, these effects dictate immune function in a variety of diseases. TwHF and its extracts can be used alone or in combination with existing therapies against many immune disorders through immunomodulation.
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Affiliation(s)
- Dan Luo
- Traditional Chinese Medicine Hospital of Changping District, Beijing, 102200, China.,Institute of Clinical Medicine, China-Japan Friendship Hospital, Beijing, 100029, China
| | - Zhengyun Zuo
- Jiangxi University of Traditional Chinese Medicine, Nanchang, 330004, China
| | - Hongyan Zhao
- Experimental Research Center, China Academy of Chinese Medical Sciences, Beijing, 100070, China
| | - Yong Tan
- Institute of Basic Research in Clinical Medicine, China Academy of Chinese Medical Sciences, Beijing, 100070, China
| | - Cheng Xiao
- Institute of Clinical Medicine, China-Japan Friendship Hospital, Beijing, 100029, China.
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54
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Henry RJ, Doran SJ, Barrett JP, Meadows VE, Sabirzhanov B, Stoica BA, Loane DJ, Faden AI. Inhibition of miR-155 Limits Neuroinflammation and Improves Functional Recovery After Experimental Traumatic Brain Injury in Mice. Neurotherapeutics 2019; 16:216-230. [PMID: 30225790 PMCID: PMC6361054 DOI: 10.1007/s13311-018-0665-9] [Citation(s) in RCA: 55] [Impact Index Per Article: 11.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/19/2022] Open
Abstract
Micro-RNAs (miRs) are short, noncoding RNAs that negatively regulate gene expression at the post-transcriptional level and have been implicated in the pathophysiology of secondary damage after traumatic brain injury (TBI). Among miRs linked to inflammation, miR-155 has been implicated as a pro-inflammatory factor in a variety of organ systems. We examined the expression profile of miR-155, following experimental TBI (controlled cortical impact) in adult male C57Bl/6 mice, as well as the effects of acute or delayed administration of a miR-155 antagomir on post-traumatic neuroinflammatory responses and neurological recovery. Trauma robustly increased miR-155 expression in the injured cortex over 7 days. Similar TBI-induced miR-155 expression changes were also found in microglia/macrophages isolated from the injured cortex at 7 days post-injury. A miR-155 hairpin inhibitor (antagomir; 0.5 nmol), administered intracerebroventricularly (ICV) immediately after injury, attenuated neuroinflammatory markers at both 1 day and 7 days post-injury and reduced impairments in spatial working memory. Delayed ICV infusion of the miR-155 antagomir (0.5 nmol/day), beginning 24 h post-injury and continuing for 6 days, attenuated neuroinflammatory markers at 7 days post-injury and improved motor, but not cognitive, function through 28 days. The latter treatment limited NADPH oxidase 2 expression changes in microglia/macrophages in the injured cortex and reduced cortical lesion volume. In summary, TBI causes a robust and persistent neuroinflammatory response that is associated with increased miR-155 expression in microglia/macrophages, and miR-155 inhibition reduces post-traumatic neuroinflammatory responses and improves neurological recovery. Thus, miR-155 may be a therapeutic target for TBI-related neuroinflammation.
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Affiliation(s)
- Rebecca J. Henry
- Department of Anesthesiology and Shock, Trauma and Anesthesiology Research (STAR) Center, University of Maryland School of Medicine, Baltimore, MD USA
| | - Sarah J. Doran
- Department of Anesthesiology and Shock, Trauma and Anesthesiology Research (STAR) Center, University of Maryland School of Medicine, Baltimore, MD USA
| | - James P. Barrett
- Department of Anesthesiology and Shock, Trauma and Anesthesiology Research (STAR) Center, University of Maryland School of Medicine, Baltimore, MD USA
| | - Victoria E. Meadows
- Department of Anesthesiology and Shock, Trauma and Anesthesiology Research (STAR) Center, University of Maryland School of Medicine, Baltimore, MD USA
| | - Boris Sabirzhanov
- Department of Anesthesiology and Shock, Trauma and Anesthesiology Research (STAR) Center, University of Maryland School of Medicine, Baltimore, MD USA
| | - Bogdan A. Stoica
- Department of Anesthesiology and Shock, Trauma and Anesthesiology Research (STAR) Center, University of Maryland School of Medicine, Baltimore, MD USA
| | - David J. Loane
- Department of Anesthesiology and Shock, Trauma and Anesthesiology Research (STAR) Center, University of Maryland School of Medicine, Baltimore, MD USA
- Department of Anesthesiology, University of Maryland School of Medicine, 655 West Baltimore Street, No. 6-011, Baltimore, MD 21201 USA
| | - Alan I. Faden
- Department of Anesthesiology and Shock, Trauma and Anesthesiology Research (STAR) Center, University of Maryland School of Medicine, Baltimore, MD USA
- Department of Anesthesiology, University of Maryland School of Medicine, 685 West Baltimore Street, MSTF No. 6-02, Baltimore, MD 21201 USA
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55
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Di Marco M, Ramassone A, Pagotto S, Anastasiadou E, Veronese A, Visone R. MicroRNAs in Autoimmunity and Hematological Malignancies. Int J Mol Sci 2018; 19:ijms19103139. [PMID: 30322050 PMCID: PMC6213554 DOI: 10.3390/ijms19103139] [Citation(s) in RCA: 21] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/26/2018] [Accepted: 10/02/2018] [Indexed: 12/13/2022] Open
Abstract
Autoimmunity and hematological malignancies are often concomitant in patients. A causal bidirectional relationship exists between them. Loss of immunological tolerance with inappropriate activation of the immune system, likely due to environmental and genetic factors, can represent a breeding ground for the appearance of cancer cells and, on the other hand, blood cancers are characterized by imbalanced immune cell subsets that could support the development of the autoimmune clone. Considerable effort has been made for understanding the proteins that have a relevant role in both processes; however, literature advances demonstrate that microRNAs (miRNAs) surface as the epigenetic regulators of those proteins and control networks linked to both autoimmunity and hematological malignancies. Here we review the most up-to-date findings regarding the miRNA-based molecular mechanisms that underpin autoimmunity and hematological malignancies.
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Affiliation(s)
- Mirco Di Marco
- Ageing Research Center and Translational medicine-CeSI-MeT, 66100 Chieti, Italy.
- Department of Medical, Oral and Biotechnological Sciences (DSMOB), "G. d'Annunzio" University Chieti-Pescara, 66100 Chieti, Italy.
| | - Alice Ramassone
- Ageing Research Center and Translational medicine-CeSI-MeT, 66100 Chieti, Italy.
- Department of Medical, Oral and Biotechnological Sciences (DSMOB), "G. d'Annunzio" University Chieti-Pescara, 66100 Chieti, Italy.
| | - Sara Pagotto
- Ageing Research Center and Translational medicine-CeSI-MeT, 66100 Chieti, Italy.
- Department of Medical, Oral and Biotechnological Sciences (DSMOB), "G. d'Annunzio" University Chieti-Pescara, 66100 Chieti, Italy.
| | - Eleni Anastasiadou
- Harvard Medical School Initiative for RNA Medicine, Department of Pathology, Beth Israel Deaconess Medical Center, Harvard Medical School, Boston, MA 02215, USA.
| | - Angelo Veronese
- Ageing Research Center and Translational medicine-CeSI-MeT, 66100 Chieti, Italy.
- Department of Medicine and Aging Science (DMSI), "G. d'Annunzio" University Chieti-Pescara, 66100 Chieti, Italy.
| | - Rosa Visone
- Ageing Research Center and Translational medicine-CeSI-MeT, 66100 Chieti, Italy.
- Department of Medical, Oral and Biotechnological Sciences (DSMOB), "G. d'Annunzio" University Chieti-Pescara, 66100 Chieti, Italy.
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56
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Involvement of the Negative Feedback of IL-33 Signaling in the Anti-Inflammatory Effect of Electro-acupuncture on Allergic Contact Dermatitis via Targeting MicroRNA-155 in Mast Cells. Inflammation 2018; 41:859-869. [PMID: 29404871 DOI: 10.1007/s10753-018-0740-8] [Citation(s) in RCA: 17] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/26/2023]
Abstract
In this study, we aimed to investigate the effect of electro-acupuncture (EA) at the Zusanli acupoint (ST36) on interleukin (IL)-33-mediated mast cell activation. Firstly, 2,4-dinitrofluorobenzene (DNFB)-induced allergic contact dermatitis (ACD) in rats was developed with or without EA treatment. Then, rat peritoneal mast cells (RPMCs) were obtained and cultured in the presence of IL-33. EA treatment relieved ear swelling and reduced mast cell infiltration in the local inflammation area with DNFB challenge, accompanying the decrement of IL-33 production. RPMCs isolated from ACD rats with EA treatment showed significant downregulation of IL-6, TNF-α, IL-13, and MCP-1 production following IL-33 stimulation. However, there was no obvious difference in surface ST2 receptor expression among different groups. In addition, EA selectively altered IL-33 signaling, suppressing p38 phosphorylation as well as NF-κB- and AP-1-mediated transcription but not Akt phosphorylation. Importantly, EA lowered microRNA (miR)-155 expression in the RPMCs, which presented a positive correlation with IL-33-induced IL-6 production. Furthermore, overexpression of miR-155 in the RPMCs was established following miR-155 mimic transfection. RPMCs with the overexpressed miR-155 displayed an obvious increment of inflammatory cytokine and abrogated the inhibitive effect of EA on NF-κB- and AP-1-regulated transcription in response to IL-33 compared with those without transfected-miR-155. These findings demonstrate EA treatment inhibits NF-κB and AP-1 activation as well as promotes the negative feedback regulation of IL-33 signaling via targeting miR-155 in mast cells, which contribute to the anti-inflammatory effect of EA on DNFB-induced ACD in rats.
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57
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Dudics S, Venkatesha SH, Moudgil KD. The Micro-RNA Expression Profiles of Autoimmune Arthritis Reveal Novel Biomarkers of the Disease and Therapeutic Response. Int J Mol Sci 2018; 19:ijms19082293. [PMID: 30081592 PMCID: PMC6121685 DOI: 10.3390/ijms19082293] [Citation(s) in RCA: 28] [Impact Index Per Article: 4.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/16/2018] [Revised: 08/01/2018] [Accepted: 08/03/2018] [Indexed: 12/17/2022] Open
Abstract
Rheumatoid arthritis (RA) is a chronic autoimmune disease of the joints affecting about 0.3–1% of the population in different countries. About 50–60 percent of RA patients respond to presently used drugs. Moreover, the current biomarkers for RA have inherent limitations. Consequently, there is a need for additional, new biomarkers for monitoring disease activity and responsiveness to therapy of RA patients. We examined the micro-RNA (miRNA) profile of immune (lymphoid) cells of arthritic Lewis rats and arthritic rats treated with celastrol, a natural triterpenoid. Experimental and bioinformatics analyses revealed 8 miRNAs (miR-22, miR-27a, miR-96, miR-142, miR-223, miR-296, miR-298, and miR-451) and their target genes in functional pathways important for RA pathogenesis. Interestingly, 6 of them (miR-22, miR-27a, miR-96, miR-142, miR-223, and miR-296) were further modulated by celastrol treatment. Interestingly, serum levels of miR-142, miR-155, and miR-223 were higher in arthritic versus control rats, whereas miR-212 showed increased expression in celastrol-treated rats compared with arthritic rats or control rats. This is the first study on comprehensive miRNA expression profiling in the adjuvant-induced arthritis (AA) model and it also has revealed new miRNA targets for celastrol in arthritis. We suggest that subsets of the above miRNAs may serve as novel biomarkers of disease activity and therapeutic response in arthritis.
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Affiliation(s)
- Steven Dudics
- Department of Microbiology and Immunology, University of Maryland School of Medicine, Baltimore, MD 21201, USA.
- Baltimore Veterans Affairs Medical Center, Baltimore, MD 21201, USA.
| | - Shivaprasad H Venkatesha
- Department of Microbiology and Immunology, University of Maryland School of Medicine, Baltimore, MD 21201, USA.
- Baltimore Veterans Affairs Medical Center, Baltimore, MD 21201, USA.
| | - Kamal D Moudgil
- Department of Microbiology and Immunology, University of Maryland School of Medicine, Baltimore, MD 21201, USA.
- Baltimore Veterans Affairs Medical Center, Baltimore, MD 21201, USA.
- Division of Rheumatology, Department of Medicine, University of Maryland School of Medicine, Baltimore, MD 21201, USA.
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58
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De Cauwer A, Mariotte A, Sibilia J, Bahram S, Georgel P. DICER1: A Key Player in Rheumatoid Arthritis, at the Crossroads of Cellular Stress, Innate Immunity, and Chronic Inflammation in Aging. Front Immunol 2018; 9:1647. [PMID: 30087677 PMCID: PMC6066587 DOI: 10.3389/fimmu.2018.01647] [Citation(s) in RCA: 12] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/09/2018] [Accepted: 07/04/2018] [Indexed: 12/20/2022] Open
Abstract
Loss-of-function or knockout mouse models have established a fundamental role for the RNAse III enzyme DICER1 in development and tissue morphogenesis and/or homeostasis. These functions are currently assumed to result mainly from the DICER1-dependent biogenesis of microRNAs which exhibit important gene expression regulatory properties. However, non-canonical DICER1 functions have recently emerged. These include interaction with the DNA damage response (DDR) pathway and the processing of cytotoxic non-coding RNAs, suggesting that DICER1 might also participate in the regulation of major cellular processes through miRNA-independent mechanisms. Recent findings indicated that reduced Dicer1 expression, which correlates with worsened symptoms in mouse models of joint inflammation, is also noted in fibroblast-like synoviocytes (FLS) harvested from rheumatoid arthritis (RA) patients, as opposed to FLS cultured from biopsies of osteoarthritic patients. In addition, low DICER1 levels are associated with the establishment of cellular stress and its associated responses, such as cellular senescence. Senescent and/or stressed cells are associated with an inflammatory secretome (cytokines and chemokines), as well as with "find-me" and "eat-me" signals which will attract and activate the innate immune compartment (NK cells, macrophages, and neutrophils) to be eliminated. Failure of this immunosurveillance mechanism and improper restauration of homeostasis could lead to the establishment of a systemic and chronic inflammatory state. In this review, we suggest that reduced DICER1 expression contributes to a vicious cycle during which accumulating inflammation and premature senescence, combined to inadequate innate immunity responses, creates the appropriate conditions for the initiation and/or progression of autoimmune-autoinflammatory diseases, such as RA.
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Affiliation(s)
- Aurore De Cauwer
- Université de Strasbourg, INSERM, ImmunoRhumatologie Moléculaire UMR_S 1109, Fédération de Médecine Translationnelle de Strasbourg, Faculté de Médecine, Strasbourg, France.,Fédération Hospitalo-Universitaire, OMICARE, Centre de Recherche d'Immunologie et d'Hématologie, Strasbourg, France
| | - Alexandre Mariotte
- Université de Strasbourg, INSERM, ImmunoRhumatologie Moléculaire UMR_S 1109, Fédération de Médecine Translationnelle de Strasbourg, Faculté de Médecine, Strasbourg, France.,Fédération Hospitalo-Universitaire, OMICARE, Centre de Recherche d'Immunologie et d'Hématologie, Strasbourg, France
| | - Jean Sibilia
- Université de Strasbourg, INSERM, ImmunoRhumatologie Moléculaire UMR_S 1109, Fédération de Médecine Translationnelle de Strasbourg, Faculté de Médecine, Strasbourg, France.,Fédération Hospitalo-Universitaire, OMICARE, Centre de Recherche d'Immunologie et d'Hématologie, Strasbourg, France.,Centre de Référence des Maladies Autoimmunes Rares, Hôpitaux Universitaires de Strasbourg, Strasbourg, France
| | - Seiamak Bahram
- Université de Strasbourg, INSERM, ImmunoRhumatologie Moléculaire UMR_S 1109, Fédération de Médecine Translationnelle de Strasbourg, Faculté de Médecine, Strasbourg, France.,Fédération Hospitalo-Universitaire, OMICARE, Centre de Recherche d'Immunologie et d'Hématologie, Strasbourg, France
| | - Philippe Georgel
- Université de Strasbourg, INSERM, ImmunoRhumatologie Moléculaire UMR_S 1109, Fédération de Médecine Translationnelle de Strasbourg, Faculté de Médecine, Strasbourg, France.,Fédération Hospitalo-Universitaire, OMICARE, Centre de Recherche d'Immunologie et d'Hématologie, Strasbourg, France
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59
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Lam IKY, Chow JX, Lau CS, Chan VSF. MicroRNA-mediated immune regulation in rheumatic diseases. Cancer Lett 2018; 431:201-212. [PMID: 29859876 DOI: 10.1016/j.canlet.2018.05.044] [Citation(s) in RCA: 21] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/31/2018] [Revised: 05/11/2018] [Accepted: 05/28/2018] [Indexed: 12/20/2022]
Abstract
MicroRNAs (miRNAs) are endogenous small, non-coding RNAs that regulate genome expression at the post-transcriptional level. They are involved in a wide range of physiological processes including the maintenance of immune homeostasis and normal function. Accumulating evidence from animal studies show that alterations in pan or specific miRNA expression would break immunological tolerance, leading to autoimmunity. Differential miRNA expressions have also been documented in patients of many autoimmune disorders. In this review, we highlight the evidence that signifies the critical role of miRNAs in autoimmunity, specifically on their regulatory roles in the pathogenesis of several rheumatic diseases including systemic lupus erythematosus, rheumatoid arthritis and spondyloarthritis. The potential of miRNAs as biomarkers and therapeutic targets is also discussed. Manipulation of dysregulated miRNAs in vivo through miRNA delivery or inhibition offers promise for new therapeutic strategies in treating rheumatic diseases.
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Affiliation(s)
- Ian Kar Yin Lam
- Division of Rheumatology and Clinical Immunology, Department of Medicine, Li Ka Shing Faculty of Medicine, The University of Hong Kong, Hong Kong Special Administrative Region
| | - Jia Xin Chow
- Division of Rheumatology and Clinical Immunology, Department of Medicine, Li Ka Shing Faculty of Medicine, The University of Hong Kong, Hong Kong Special Administrative Region
| | - Chak Sing Lau
- Division of Rheumatology and Clinical Immunology, Department of Medicine, Li Ka Shing Faculty of Medicine, The University of Hong Kong, Hong Kong Special Administrative Region
| | - Vera Sau Fong Chan
- Division of Rheumatology and Clinical Immunology, Department of Medicine, Li Ka Shing Faculty of Medicine, The University of Hong Kong, Hong Kong Special Administrative Region.
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60
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Monocyte-related biomarkers of rheumatoid arthritis development in undifferentiated arthritis patients - a pilot study. Reumatologia 2018; 56:10-16. [PMID: 29686437 PMCID: PMC5911652 DOI: 10.5114/reum.2018.74742] [Citation(s) in RCA: 12] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/08/2018] [Accepted: 02/20/2018] [Indexed: 12/29/2022] Open
Abstract
Objectives Enhanced/disturbed activities of monocytes are crucial for perpetuation and for development of rheumatoid arthritis (RA). Therefore, knowledge about monocyte activities and regulation of molecular pathways operating within monocytes early in the course of RA development may help to predict the progression to the full-blown disease. We aimed to investigate the profile of miRNAs expression in circulating monocytes and monocyte-related cytokines in sera of individuals at undifferentiated arthritis (UA) stage, wich could serve as new biomarkers for RA development. Material and methods Magnetically sorted monocytes from peripheral blood of 20 UA patients served for total RNA isolation. RNA samples were used for microRNA profiling. Concentrations of CCL3/MIP-1α, M-CSF, CCL2/MCP-1, IL-6, TNF-α and IL-15 in sera of UA patients were measured using ELISA assays. Verification of diagnosis after 4 years of follow-up led to the identification of patients who developed RA (UA→RA patients) and patients who remained still in UA phase (UA → UA patients). Comparisons between patients groups were performed using two-tailed Mann-Whitney U test. Results We identified 50 miRNAs in monocytes with the largest variation of expression across all patients samples. From these selected miRNAs, expression of miR-642b-5p, miR-483-3p, miR-371b-5p were significantly up-regulated and miR-25-3p and miR-378d were significantly down-regulated in UA → RA vs. UA → UA patients. This specific pattern of miRNAs expression in circulating monocytes paralleled elevated IL-15 and M-CSF concentrations in sera of UA patients who progressed to RA. Conclusions Results of our pilot study indicate that altered activity of monocytes can be detected at early stages of RA. We found new miRNA candidates differentially expressed in peripheral blood monocytes and elevated concentrations of IL-15 and M-CSF involved in monocyte activity and differentiation in patients with UA who subsequently developed RA, in comparison to UA patients who did not progress to RA after 4 years follow-up.
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61
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Boff D, Crijns H, Teixeira MM, Amaral FA, Proost P. Neutrophils: Beneficial and Harmful Cells in Septic Arthritis. Int J Mol Sci 2018; 19:E468. [PMID: 29401737 PMCID: PMC5855690 DOI: 10.3390/ijms19020468] [Citation(s) in RCA: 28] [Impact Index Per Article: 4.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/31/2017] [Revised: 01/30/2018] [Accepted: 02/01/2018] [Indexed: 12/17/2022] Open
Abstract
Septic arthritis is an inflammatory joint disease that is induced by pathogens such as Staphylococcus aureus. Infection of the joint triggers an acute inflammatory response directed by inflammatory mediators including microbial danger signals and cytokines and is accompanied by an influx of leukocytes. The recruitment of these inflammatory cells depends on gradients of chemoattractants including formylated peptides from the infectious agent or dying cells, host-derived leukotrienes, complement proteins and chemokines. Neutrophils are of major importance and play a dual role in the pathogenesis of septic arthritis. On the one hand, these leukocytes are indispensable in the first-line defense to kill invading pathogens in the early stage of disease. However, on the other hand, neutrophils act as mediators of tissue destruction. Since the elimination of inflammatory neutrophils from the site of inflammation is a prerequisite for resolution of the acute inflammatory response, the prolonged stay of these leukocytes at the inflammatory site can lead to irreversible damage to the infected joint, which is known as an important complication in septic arthritis patients. Thus, timely reduction of the recruitment of inflammatory neutrophils to infected joints may be an efficient therapy to reduce tissue damage in septic arthritis.
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Affiliation(s)
- Daiane Boff
- Imunofarmacologia, Department of Biochemistry and Immunology, Instituto de Ciências Biológicas, Universidade Federal de Minas Gerais, Belo Horizonte 31270-901, Brazil.
- Laboratory of Molecular Immunology, Department of Microbiology and Immunology, Rega Institute for Medical Research, KU Leuven, B-3000 Leuven, Belgium.
| | - Helena Crijns
- Imunofarmacologia, Department of Biochemistry and Immunology, Instituto de Ciências Biológicas, Universidade Federal de Minas Gerais, Belo Horizonte 31270-901, Brazil.
- Laboratory of Molecular Immunology, Department of Microbiology and Immunology, Rega Institute for Medical Research, KU Leuven, B-3000 Leuven, Belgium.
| | - Mauro M Teixeira
- Imunofarmacologia, Department of Biochemistry and Immunology, Instituto de Ciências Biológicas, Universidade Federal de Minas Gerais, Belo Horizonte 31270-901, Brazil.
| | - Flavio A Amaral
- Imunofarmacologia, Department of Biochemistry and Immunology, Instituto de Ciências Biológicas, Universidade Federal de Minas Gerais, Belo Horizonte 31270-901, Brazil.
| | - Paul Proost
- Laboratory of Molecular Immunology, Department of Microbiology and Immunology, Rega Institute for Medical Research, KU Leuven, B-3000 Leuven, Belgium.
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62
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Alivernini S, Tolusso B, Ferraccioli G, Gremese E, Kurowska-Stolarska M, McInnes IB. Driving chronicity in rheumatoid arthritis: perpetuating role of myeloid cells. Clin Exp Immunol 2018; 193:13-23. [PMID: 29315512 PMCID: PMC6038003 DOI: 10.1111/cei.13098] [Citation(s) in RCA: 27] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/30/2017] [Revised: 12/19/2017] [Accepted: 12/28/2017] [Indexed: 12/11/2022] Open
Abstract
Acute inflammation is a complex and tightly regulated homeostatic process that includes leucocyte migration from the vasculature into tissues to eliminate the pathogen/injury, followed by a pro‐resolving response promoting tissue repair. However, if inflammation is uncontrolled as in chronic diseases such as rheumatoid arthritis (RA), it leads to tissue damage and disability. Synovial tissue inflammation in RA patients is maintained by sustained activation of multiple inflammatory positive‐feedback regulatory pathways in a variety of cells, including myeloid cells. In this review, we will highlight recent evidence uncovering biological mechanisms contributing to the aberrant activation of myeloid cells that contributes to perpetuation of inflammation in RA, and discuss emerging data on anti‐inflammatory mediators contributing to sustained remission that may inform a novel category of therapeutic targets.
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Affiliation(s)
- S Alivernini
- Institute of Rheumatology, Fondazione Policlinico Universitario A. Gemelli - Catholic University of the Sacred Heart, Rome, Italy
| | - B Tolusso
- Institute of Rheumatology, Fondazione Policlinico Universitario A. Gemelli - Catholic University of the Sacred Heart, Rome, Italy
| | - G Ferraccioli
- Institute of Rheumatology, Fondazione Policlinico Universitario A. Gemelli - Catholic University of the Sacred Heart, Rome, Italy
| | - E Gremese
- Institute of Rheumatology, Fondazione Policlinico Universitario A. Gemelli - Catholic University of the Sacred Heart, Rome, Italy
| | - M Kurowska-Stolarska
- Institute of Infection, Immunity and Inflammation, University of Glasgow.,Rheumatoid Arthritis Pathogenesis Centre of Excellence (RACE), Glasgow, UK
| | - I B McInnes
- Institute of Infection, Immunity and Inflammation, University of Glasgow.,Rheumatoid Arthritis Pathogenesis Centre of Excellence (RACE), Glasgow, UK
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63
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Alivernini S, Gremese E, McSharry C, Tolusso B, Ferraccioli G, McInnes IB, Kurowska-Stolarska M. MicroRNA-155-at the Critical Interface of Innate and Adaptive Immunity in Arthritis. Front Immunol 2018; 8:1932. [PMID: 29354135 PMCID: PMC5760508 DOI: 10.3389/fimmu.2017.01932] [Citation(s) in RCA: 120] [Impact Index Per Article: 20.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/31/2017] [Accepted: 12/15/2017] [Indexed: 12/17/2022] Open
Abstract
MicroRNAs (miRNAs) are small non-coding RNAs that fine-tune the cell response to a changing environment by modulating the cell transcriptome. miR-155 is a multifunctional miRNA enriched in cells of the immune system and is indispensable for the immune response. However, when deregulated, miR-155 contributes to the development of chronic inflammation, autoimmunity, cancer, and fibrosis. Herein, we review the evidence for the pathogenic role of miR-155 in driving aberrant activation of the immune system in rheumatoid arthritis, and its potential as a disease biomarker and therapeutic target.
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Affiliation(s)
- Stefano Alivernini
- Institute of Rheumatology - Fondazione Policlinico Universitario A. Gemelli, Catholic University of the Sacred Heart, Rome, Italy
| | - Elisa Gremese
- Institute of Rheumatology - Fondazione Policlinico Universitario A. Gemelli, Catholic University of the Sacred Heart, Rome, Italy
| | - Charles McSharry
- Institute of Infection, Immunity and Inflammation, University of Glasgow, Glasgow, United Kingdom
| | - Barbara Tolusso
- Institute of Rheumatology - Fondazione Policlinico Universitario A. Gemelli, Catholic University of the Sacred Heart, Rome, Italy
| | - Gianfranco Ferraccioli
- Institute of Rheumatology - Fondazione Policlinico Universitario A. Gemelli, Catholic University of the Sacred Heart, Rome, Italy
| | - Iain B McInnes
- Institute of Infection, Immunity and Inflammation, University of Glasgow, Glasgow, United Kingdom.,Rheumatoid Arthritis Pathogenesis Centre of Excellence (RACE), Glasgow, United Kingdom
| | - Mariola Kurowska-Stolarska
- Institute of Infection, Immunity and Inflammation, University of Glasgow, Glasgow, United Kingdom.,Rheumatoid Arthritis Pathogenesis Centre of Excellence (RACE), Glasgow, United Kingdom
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64
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Clayton SA, Jones SW, Kurowska-Stolarska M, Clark AR. The role of microRNAs in glucocorticoid action. J Biol Chem 2018; 293:1865-1874. [PMID: 29301941 PMCID: PMC5808749 DOI: 10.1074/jbc.r117.000366] [Citation(s) in RCA: 46] [Impact Index Per Article: 7.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/20/2022] Open
Abstract
Glucocorticoids (GCs) are steroids with profound anti-inflammatory and immunomodulatory activities. Synthetic GCs are widely used for managing chronic inflammatory and autoimmune conditions, as immunosuppressants in transplantation, and as anti-tumor agents in certain hematological cancers. However, prolonged GC exposure can cause adverse effects. A detailed understanding of GCs' mechanisms of action may enable harnessing of their desirable actions while minimizing harmful effects. Here, we review the impact on the GC biology of microRNAs, small non-coding RNAs that post-transcriptionally regulate gene expression. Emerging evidence indicates that microRNAs modulate GC production by the adrenal glands and the cells' responses to GCs. Furthermore, GCs influence cell proliferation, survival, and function at least in part by regulating microRNA expression. We propose that the beneficial effects of GCs may be enhanced through combination with reagents targeting specific microRNAs.
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Affiliation(s)
- Sally A Clayton
- From the Institute of Inflammation and Ageing, College of Medical and Dental Sciences, University of Birmingham, Birmingham B15 2WB.,the Arthritis Research UK Rheumatoid Arthritis Pathogenesis Centre of Excellence (RACE), Glasgow, Birmingham, and Newcastle Universities, Glasgow G12 8TA, Scotland, United Kingdom
| | - Simon W Jones
- From the Institute of Inflammation and Ageing, College of Medical and Dental Sciences, University of Birmingham, Birmingham B15 2WB.,the Arthritis Research UK Rheumatoid Arthritis Pathogenesis Centre of Excellence (RACE), Glasgow, Birmingham, and Newcastle Universities, Glasgow G12 8TA, Scotland, United Kingdom
| | - Mariola Kurowska-Stolarska
- the Arthritis Research UK Rheumatoid Arthritis Pathogenesis Centre of Excellence (RACE), Glasgow, Birmingham, and Newcastle Universities, Glasgow G12 8TA, Scotland, United Kingdom.,the Institute of Infection, Immunity and Inflammation, College of Medical, Veterinary and Life Sciences, University of Glasgow, Glasgow G12 8TA, Scotland, and
| | - Andrew R Clark
- From the Institute of Inflammation and Ageing, College of Medical and Dental Sciences, University of Birmingham, Birmingham B15 2WB, .,the Arthritis Research UK Rheumatoid Arthritis Pathogenesis Centre of Excellence (RACE), Glasgow, Birmingham, and Newcastle Universities, Glasgow G12 8TA, Scotland, United Kingdom
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65
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Han H, Ju F, Geng S. Retracted
: In vivo and in vitro effects of PTH1‐34 on osteogenic and adipogenic differentiation of human bone marrow‐derived mesenchymal stem cells through regulating microRNA‐155. J Cell Biochem 2018; 119:3220-3235. [PMID: 29091308 DOI: 10.1002/jcb.26478] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/31/2017] [Accepted: 10/26/2017] [Indexed: 12/25/2022]
Affiliation(s)
- Huan‐Sheng Han
- Special Economic Animal Research CenterHarbin Speciality Research InstituteHeilongjiang Academy of Land Reclamation SciencesHarbinP.R. China
| | - Fang Ju
- Department of Hematology and OncologyThe First Affiliated Hospital of Harbin Medical UniversityHarbinP.R. China
| | - Shuo Geng
- Department of Hematology and OncologyThe First Affiliated Hospital of Harbin Medical UniversityHarbinP.R. China
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66
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Hu SL, Chang AC, Huang CC, Tsai CH, Lin CC, Tang CH. Myostatin Promotes Interleukin-1β Expression in Rheumatoid Arthritis Synovial Fibroblasts through Inhibition of miR-21-5p. Front Immunol 2017; 8:1747. [PMID: 29276516 PMCID: PMC5727021 DOI: 10.3389/fimmu.2017.01747] [Citation(s) in RCA: 39] [Impact Index Per Article: 5.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/28/2017] [Accepted: 11/23/2017] [Indexed: 01/06/2023] Open
Abstract
Rheumatoid arthritis (RA) is characterized by the infiltration of a number of pro-inflammatory cytokines into synovial fluid and patients with RA often develop joint destruction and deficits in muscle mass. The growth factor myostatin is a key regulator linking muscle mass and bone structure. We sought to determine whether myostatin regulates rheumatoid synovial fibroblast activity and inflammation in RA. We found that levels of myostatin and interleukin (IL)-1β (a key pro-inflammatory cytokine in RA) in synovial fluid from RA patients were overexpressed and positively correlated. In in vitro investigations, we found that myostatin dose-dependently regulated IL-1β expression through the ERK, JNK, and AP-1 signal-transduction pathways. Computational analysis confirmed that miR-21-5p directly targets the expression of the 3′ untranslated region (3′ UTR) of IL-1β. Treatment of cells with myostatin inhibited miR-21-5p expression and miR-21-5p mimic prevented myostatin-induced enhancement of IL-1β expression, showing an inverse correlation between miR-21-5p and IL-1β expression during myostatin treatment. We also found significantly increased paw swelling in an animal model of collagen-induced arthritis (CIA), compared with controls; immunohistochemistry staining revealed substantially higher levels of myostatin and IL-1β expression in CIA tissue. Our evidence indicates that myostatin regulates IL-1β production. Thus, targeting myostatin may represent a potential therapeutic target for RA.
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Affiliation(s)
- Sung-Lin Hu
- Program for Aging, China Medical University, Taichung, Taiwan.,Department of Family Medicine, China Medical University Hospital, Taichung, Taiwan
| | - An-Chen Chang
- Institute of Biomedical Sciences, National Chung Hsing University, Taichung, Taiwan
| | - Chien-Chung Huang
- Division of Immunology and Rheumatology, Department of Internal Medicine, China Medical University Hospital, Taichung, Taiwan.,Graduate Institute of Clinical Medical Science, China Medical University, Taichung, Taiwan
| | - Chun-Hao Tsai
- School of Medicine, China Medical University, Taichung, Taiwan.,Department of Orthopedic Surgery, China Medical University Hospital, Taichung, Taiwan
| | - Cheng-Chieh Lin
- Department of Family Medicine, China Medical University Hospital, Taichung, Taiwan.,School of Medicine, China Medical University, Taichung, Taiwan.,Department of Medical Research, China Medical University Hospital, Taichung, Taiwan
| | - Chih-Hsin Tang
- School of Medicine, China Medical University, Taichung, Taiwan.,Graduate Institute of Basic Medical Science, China Medical University, Taichung, Taiwan.,Department of Biotechnology, College of Health Science, Asia University, Taichung, Taiwan
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67
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Kurowska-Stolarska M, Alivernini S. Synovial tissue macrophages: friend or foe? RMD Open 2017; 3:e000527. [PMID: 29299338 PMCID: PMC5729306 DOI: 10.1136/rmdopen-2017-000527] [Citation(s) in RCA: 83] [Impact Index Per Article: 11.9] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/05/2017] [Revised: 11/09/2017] [Accepted: 11/12/2017] [Indexed: 12/20/2022] Open
Abstract
Healthy synovial tissue includes a lining layer of synovial fibroblasts and macrophages. The influx of leucocytes during active rheumatoid arthritis (RA) includes monocytes that differentiate locally into proinflammatory macrophages, and these produce pathogenic tumour necrosis factor. During sustained remission, the synovial tissue macrophage numbers recede to normal. The constitutive presence of tissue macrophages in the lining layer of the synovial membrane in healthy donors and in patients with RA during remission suggests that this macrophage population may have a role in maintaining and reinstating synovial tissue homeostasis respectively. Recent appreciation of the different origins and functions of tissue-resident compared with monocyte-derived macrophages has improved the understanding of their relative involvement in organ homeostasis in mouse models of disease. In this review, informed by mouse models and human data, we describe the presence of different functional subpopulations of human synovial tissue macrophages and discuss their distinct contribution to joint homeostasis and chronic inflammation in RA.
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Affiliation(s)
- Mariola Kurowska-Stolarska
- Institute of Infection, Immunity and Inflammation, University of Glasgow, Glasgow, UK.,Rheumatoid Arthritis Pathogenesis Centre of Excellence (RACE), Universities of Glasgow, Birmingham and Newcastle, Glasgow, Birmingham and Newcastle, UK
| | - Stefano Alivernini
- Institute of Rheumatology, Fondazione Policlinico Universitario A Gemelli, Catholic University of the Sacred Heart, Rome, Italy
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68
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Comparative analysis of cytokine/chemokine regulatory networks in patients with hippocampal sclerosis (HS) and focal cortical dysplasia (FCD). Sci Rep 2017; 7:15904. [PMID: 29162878 PMCID: PMC5698416 DOI: 10.1038/s41598-017-16041-w] [Citation(s) in RCA: 22] [Impact Index Per Article: 3.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/28/2017] [Accepted: 11/06/2017] [Indexed: 01/22/2023] Open
Abstract
Experimental and clinical evidence have demonstrated aberrant expression of cytokines/chemokines and their receptors in patients with hippocampal sclerosis (HS) and focal cortical dysplasia (FCD). However, there is limited information regarding the modulation of cytokine/chemokine-regulatory networks, suggesting contribution of miRNAs and downstream transcription factors/receptors in these pathologies. Hence, we studied the levels of multiple inflammatory mediators (IL1β, IL1Ra, IL6, IL10, CCL3, CCL4, TNFα and VEGF) along with transcriptional changes of nine related miRNAs and mRNA levels of downstream effectors of significantly altered cytokines/chemokines in brain tissues obtained from patients with HS (n = 26) and FCD (n = 26). Up regulation of IL1β, IL6, CCL3, CCL4, STAT-3, C-JUN and CCR5, and down regulation of IL 10 were observed in both HS and FCD cases (p < 0.05). CCR5 was significantly up regulated in FCD as compared to HS (p < 0.001). Both, HS and FCD presented decreased miR-223-3p, miR-21-5p, miR-204-5p and let-7a-5p and increased miR-155-5p expression (p < 0.05). As compared to HS, miR-204-5p (upstream to CCR5 and IL1β) and miR-195-5p (upstream to CCL4) were significantly decreased in FCD patients (p < 0.01). Our results suggest differential alteration of cytokine/chemokine regulatory networks in HS and FCD and provide a rationale for developing pathology specific therapy.
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69
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Abstract
MicroRNAs (miRNAs) are a recently discovered class of post-transcriptional regulators that induce target messenger RNA degradation or translation inhibition. miRNA-155 (miR-155) is an important regulator of immune cells both in humans and mice, by which these cells play critical roles in the pathogenesis of rheumatoid arthritis (RA). Recent findings showed that expression of miR-155 was elevated in RA patients and arthritis models. Moreover, miR-155 overexpression or knockdown performed significantly in the development of arthritis. This review summarizes the recent findings with respect to miR-155 in immune responses and the underlying mechanisms responsible for miR-155-related autoimmune arthritis. Hopefully the information obtained will benefit the development of novel therapeutic strategies.
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Affiliation(s)
- Lin-Chong Su
- Department of Rheumatology and Immunology, West China Hospital, Sichuan University, Chengdu, Sichuan.,Department of Rheumatology and Immunology, Affiliated Minda Hospital of Hubei Institute for Nationalities, Enshi, Hubei
| | - An-Fang Huang
- Department of Rheumatology and Immunology, the Affiliated Hospital of Southwest Medical University, Luzhou, Sichuan, China
| | - Hong Jia
- School of Public Health, Southwest Medical University, Luzhou, Sichuan, China
| | - Yi Liu
- Department of Rheumatology and Immunology, West China Hospital, Sichuan University, Chengdu, Sichuan
| | - Wang-Dong Xu
- School of Public Health, Southwest Medical University, Luzhou, Sichuan, China
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70
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Abdul-Maksoud RS, Sediq AM, Kattaia AAA, Elsayed WSH, Ezzeldin N, Abdel Galil SM, Ibrahem RA. Serum miR-210 and miR-155 expression levels as novel biomarkers for rheumatoid arthritis diagnosis. Br J Biomed Sci 2017; 74:209-213. [DOI: 10.1080/09674845.2017.1343545] [Citation(s) in RCA: 27] [Impact Index Per Article: 3.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/19/2022]
Affiliation(s)
- RS Abdul-Maksoud
- Faculty of Medicine, Medical Biochemistry Department, Zagazig University, Zagazig, Egypt
| | - AM Sediq
- Faculty of Medicine, Clinical and Chemical Pathology Department, Zagazig University, Zagazig, Egypt
| | - AAA Kattaia
- Faculty of Medicine, Histology and Cell Biology Department, Zagazig University, Zagazig, Egypt
| | - WSH Elsayed
- Faculty of Medicine, Pathology Department, Zagazig University, Zagazig, Egypt
| | - N Ezzeldin
- Faculty of Medicine, Rheumatology and Rehabilitation Department, Zagazig University, Zagazig, Egypt
| | - SM Abdel Galil
- Faculty of Medicine, Rheumatology and Rehabilitation Department, Zagazig University, Zagazig, Egypt
| | - RA Ibrahem
- Faculty of Medicine, Public Health and Community Medicine Department, Menoufia University, Menoufia, Egypt
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71
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Latet SC, Van Herck PL, Claeys MJ, Van Craenenbroeck AH, Haine SE, Vandendriessche TR, Van Hoof VO, Fransen E, De Winter BY, Van Craenenbroeck EM, Heidbuchel H, Vrints CJ, Hoymans VY. Failed Downregulation of Circulating MicroRNA-155 in the Early Phase after ST Elevation Myocardial Infarction Is Associated with Adverse Left Ventricular Remodeling. Cardiology 2017; 138:91-96. [PMID: 28618412 DOI: 10.1159/000477235] [Citation(s) in RCA: 13] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 01/06/2017] [Accepted: 04/26/2017] [Indexed: 01/13/2023]
Abstract
BACKGROUND MicroRNA are noncoding RNA that have a significant role in both inflammatory and cardiovascular diseases. AIMS We aimed to assess whether the inflammation-related microRNA-155 is associated with the development of adverse left ventricular (LV) remodeling following ST elevation myocardial infarction (STEMI). METHODS Peripheral blood samples were collected in the inflammatory (day 2), proliferative (day 5), and maturation phases (6 months) after STEMI (n = 20). Granulocytes, monocytes, and lymphocytes were enumerated with flow cytometry. The changes in LV volumes were assessed with 3-D echocardiography on day 1 and after 6 months. Adverse remodeling was defined as a >20% increase in end-diastolic volume. Healthy subjects were recruited as controls. RESULTS MicroRNA-155 measured on day 5 correlated positively with the relative change in end-diastolic volume (ρ = 0.490, p = 0.028). MicroRNA-155 (day 5) was significantly higher in patients with compared to patients without adverse LV remodeling. The expression level was similar in healthy subjects (n = 8) and in patients with LV remodeling. There was a positive correlation between microRNA-155 and the amount of monocytes (day 5, ρ = 0.463, p = 0.046). CONCLUSION Impaired downregulation of microRNA-155 during the second phase of the post- STEMI inflammatory response is a determinant of the development of adverse LV remodeling.
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Affiliation(s)
- Sam C Latet
- Cardiovascular Diseases, University of Antwerp, Antwerp, Belgium
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72
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How to manage rheumatoid arthritis according to classic biomarkers and polymorphisms? ACTA ACUST UNITED AC 2017. [DOI: 10.1007/s11515-017-1452-4] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/26/2022]
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73
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Lombardi V, Luce S, Moussu H, Morizur L, Gueguen C, Neukirch C, Chollet-Martin S, Mascarell L, Aubier M, Baron-Bodo V, Moingeon P. Effector and regulatory dendritic cells display distinct patterns of miRNA expression. IMMUNITY INFLAMMATION AND DISEASE 2017; 5:310-317. [PMID: 28497578 PMCID: PMC5569363 DOI: 10.1002/iid3.165] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 11/15/2016] [Revised: 04/03/2017] [Accepted: 04/05/2017] [Indexed: 01/04/2023]
Abstract
Introduction MicroRNAs (miRNAs) contribute to the regulation of dendritic cell (DC) polarization, thereby influencing the balance of adaptive immune responses. Herein, we studied the expression of miRNAs in polarized DCs and analyzed whether expression of these miRNAs could be associated with allergic rhinitis and allergen immunotherapy (AIT) outcome. Method Using specific culture conditions, we differentiated immature human monocyte‐derived DCs into DC1, DC2, and DCreg subsets (supporting the differentiation of TH1, TH2 or regulatory T cells, respectively). Profiling of miRNA expression was performed in these DC subpopulations using microarrays. Levels of miRNAs specific for polarized DCs were then evaluated in a cohort of 58 patients with allergic rhinitis and 25 non‐allergic controls, as well as in samples from 30 subjects treated with sublingual grass pollen tablets or placebo for four months. Results We successfully identified 16 miRNAs differentially regulated between immature DCs, DC1, DC2, and DCreg cells. In allergic rhinoconjunctivitis patients, the expression of two of those miRNAs (miR‐132 and miR‐155), was down‐regulated compared to non‐allergic individuals. However, the levels of these miRNAs were not significantly modified following four months of grass pollen immunotherapy. Conclusions Studying polarized DCs and clinical samples from subjects with or without allergic rhinoconjunctivitis, we demonstrated that the expression of two miRNAs linked to effector DCs (i.e., DC1 and/or DC2 cells), was reduced in the blood of patients with allergic rhinoconjunctivitis. Nevertheless, these miRNAs did not represent relevant biomarkers to predict or follow‐up AIT efficacy.
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Affiliation(s)
| | - Sonia Luce
- Research Department, Stallergenes Greer, Antony, France
| | - Hélène Moussu
- Research Department, Stallergenes Greer, Antony, France
| | - Lise Morizur
- Research Department, Stallergenes Greer, Antony, France
| | | | - Catherine Neukirch
- Department of Pulmonology, University Hospital Paris Nord Val de Seine, Hospital Bichat AP-HP, INSERM UMR 1152, University Hospital Department FIRE, Paris, France
| | - Sylvie Chollet-Martin
- Department of Immunology, INSERM UMRS996, Bichat Claude Bernard Hospital, Paris, France
| | | | - Michel Aubier
- Department of Pulmonology, University Hospital Paris Nord Val de Seine, Hospital Bichat AP-HP, INSERM UMR 1152, University Hospital Department FIRE, Paris, France
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74
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Xu X, Chen H, Zhang Q, Xu J, Shi Q, Wang M. MiR-650 inhibits proliferation, migration and invasion of rheumatoid arthritis synovial fibroblasts by targeting AKT2. Biomed Pharmacother 2017; 88:535-541. [DOI: 10.1016/j.biopha.2017.01.063] [Citation(s) in RCA: 32] [Impact Index Per Article: 4.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/14/2016] [Revised: 01/03/2017] [Accepted: 01/10/2017] [Indexed: 01/09/2023] Open
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75
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Ospelt C, Gay S, Klein K. Epigenetics in the pathogenesis of RA. Semin Immunopathol 2017; 39:409-419. [DOI: 10.1007/s00281-017-0621-5] [Citation(s) in RCA: 50] [Impact Index Per Article: 7.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/13/2017] [Accepted: 03/09/2017] [Indexed: 01/02/2023]
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76
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MicroRNA-155 contributes to enhanced resistance to apoptosis in monocytes from patients with rheumatoid arthritis. J Autoimmun 2017; 79:53-62. [PMID: 28118944 PMCID: PMC5397583 DOI: 10.1016/j.jaut.2017.01.002] [Citation(s) in RCA: 64] [Impact Index Per Article: 9.1] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/11/2017] [Accepted: 01/12/2017] [Indexed: 02/04/2023]
Abstract
Monocytes and macrophages are key mediators of inflammation in rheumatoid arthritis (RA). Their persistence at the inflammatory site is likely to contribute to immunopathology. We sought to characterise one mechanism by which persistence may be achieved: resistance to apoptosis and the role of mir-155 in this process. CD14+ monocytes from peripheral blood (PBM) and synovial fluid (SFM) of RA patients were found to be resistant to spontaneous apoptosis relative to PBM from healthy control (HC) individuals. RA SFM were also resistant to anti-Fas-mediated apoptosis and displayed a gene expression profile distinct from HC and RA PBM populations. Gene expression profiling analysis revealed that the differentially expressed genes in RA SFM vs. PBM were enriched for apoptosis-related genes and showed increased expression of the mir-155 precursor BIC. Following identification of potential mir-155 target transcripts by bioinformatic methods, we show increased levels of mature mir-155 expression in RA PBM and SFM vs. HC PBM and a corresponding decrease in SFM of two predicted mir-155-target mRNAs, apoptosis mediators CASP10 and APAF1. Using miR mimics, we demonstrate that mir-155 over-expression in healthy CD14+ cells conferred resistance to spontaneous apoptosis, but not Fas-induced death in these cells, and resulted in increased production of cytokines and chemokines. Collectively our data indicate that CD14+ cells from patients with RA show enhanced resistance to apoptosis, and suggest that an increase in mir-155 may partially contribute to this phenotype. CD14+ cells from the inflamed RA joint are strongly resistant to death. Microarrays show differences in apoptosis genes in CD14+ cells from the RA joint. Mir-155 is increased and its targets decreased in RA joint CD14+ cells. Overexpression of mir-155 increases apoptosis resistance of healthy CD14+ cells.
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