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Danieli MG, Casciaro M, Paladini A, Bartolucci M, Sordoni M, Shoenfeld Y, Gangemi S. Exposome: Epigenetics and autoimmune diseases. Autoimmun Rev 2024:103584. [PMID: 39097180 DOI: 10.1016/j.autrev.2024.103584] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/14/2024] [Revised: 07/27/2024] [Accepted: 07/27/2024] [Indexed: 08/05/2024]
Abstract
Systemic autoimmune diseases are complex conditions characterized by an immune system dysregulation and an aberrant activation against self-antigens, leading to tissue and organ damage. Even though genetic predisposition plays a role, it cannot fully explain the onset of these diseases, highlighting the significant impact of non-heritable influences such as environment, hormones and infections. The exposome represents all those factors, ranging from chemical pollutants and dietary components to psychological stressors and infectious agents. Epigenetics, which studies changes in gene expression without altering the DNA sequence, is a crucial link between exposome and the development of autoimmune diseases. Key epigenetic mechanisms include DNA methylation, histone modifications, and non-coding RNAs. These epigenetic modifications could provide a potential piece of the puzzle in understanding systemic autoimmune diseases and their connection with the exposome. In this work we have collected the most important and recent evidence in epigenetic changes linked to systemic autoimmune diseases (systemic lupus erythematosus, idiopathic inflammatory myopathies, ANCA-associated vasculitis, and rheumatoid arthritis), emphasizing the roles these changes may play in disease pathogenesis, their potential as diagnostic biomarkers and their prospective in the development of targeted therapies.
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Affiliation(s)
- Maria Giovanna Danieli
- SOS Immunologia delle Malattie Rare e dei Trapianti, AOU delle Marche & Dipartimento di Scienze Cliniche e Molecolari, Università Politecnica delle Marche, via Tronto 10/A, 60126 Torrette di Ancona, Italy; Postgraduate School of Allergy and Clinical Immunology, Università Politecnica delle Marche, via Tronto 10/A, 60126 Ancona, Italy.
| | - Marco Casciaro
- Operative Unit of Allergy and Clinical Immunology, Department of Clinical and Experimental Medicine, University of Messina, Via Consolare Valeria 1, 98125 Messina, Italy.
| | - Alberto Paladini
- PostGraduate School of Internal Medicine, Università Politecnica delle Marche, via Tronto 10/A, 60126 Ancona, Italy
| | - Martina Bartolucci
- Postgraduate School of Allergy and Clinical Immunology, Università Politecnica delle Marche, via Tronto 10/A, 60126 Ancona, Italy
| | - Martina Sordoni
- Postgraduate School of Allergy and Clinical Immunology, Università Politecnica delle Marche, via Tronto 10/A, 60126 Ancona, Italy
| | - Yehuda Shoenfeld
- Zabludowicz Center for Autoimmune Diseases, Sheba Medical Center, Tel-Hashomer, Ramat Gan 52621, Israel; Reichman University, Herzelia 46101, Israel.
| | - Sebastiano Gangemi
- Operative Unit of Allergy and Clinical Immunology, Department of Clinical and Experimental Medicine, University of Messina, Via Consolare Valeria 1, 98125 Messina, Italy.
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Li X, Ding S, Zhang P, Yan J, Yu X, Wang X, Zhan H, Wang Z. Revealing the impact of autophagy-related genes in rheumatoid arthritis: Insights from bioinformatics. Heliyon 2024; 10:e29849. [PMID: 38699021 PMCID: PMC11064156 DOI: 10.1016/j.heliyon.2024.e29849] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/18/2023] [Revised: 04/16/2024] [Accepted: 04/16/2024] [Indexed: 05/05/2024] Open
Abstract
Background Rheumatoid arthritis is a systemic inflammatory autoimmune disease that severely impacts physical and mental health. Autophagy is a cellular process involving the degradation of cellular components in lysosomes. However, from a bioinformatics perspective, autophagy-related genes have not been comprehensively elucidated in rheumatoid arthritis. Methods In this study, we performed differential analysis of autophagy-related genes in rheumatoid arthritis patients using the GSE93272 dataset from the Gene Expression Omnibus database. Marker genes were screened by least absolute shrinkage and selection operator. Based on marker genes, we used unsupervised cluster analysis to elaborate different autophagy clusters, and further identified modules strongly associated with rheumatoid arthritis by weighted gene co-expression network analysis. In addition, we constructed four machine learning models, random forest model, support vector machine model, generalized linear model and extreme gradient boosting based on marker genes, and based on the optimal machine learning model, a nomogram model was constructed for distinguishing between normal individuals and rheumatoid arthritis patients. Finally, five external independent rheumatoid arthritis datasets were used for the validation of our results. Results The results showed that autophagy-related genes had significant expression differences between normal individuals and osteoarthritis patients. Through least absolute shrinkage and selection operator screening, we identified 31 marker genes and found that they exhibited significant synergistic or antagonistic effects in rheumatoid arthritis, and immune cell infiltration analysis revealed significant changes in immune cell abundance. Subsequently, we elaborated different autophagy clusters (cluster 1 and cluster 2) using unsupervised cluster analysis. Next, further by weighted gene co-expression network analysis, we identified a brown module strongly associated with rheumatoid arthritis. In addition, we constructed a nomogram model for five marker genes (CDKN2A, TP53, ATG16L2, FKBP1A, and GABARAPL1) based on a generalized linear model (area under the curve = 1.000), and the predictive efficiency and accuracy of this nomogram model were demonstrated in the calibration curves, the decision curves and the five external independent datasets were validated. Conclusion This study identified marker autophagy-related genes in rheumatoid arthritis and analyzed their impact on the disease, providing new perspectives for understanding the role of autophagy-related genes in rheumatoid arthritis and providing new directions for its individualized treatment.
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Affiliation(s)
- Xin Li
- Traumatology Hand Surgery Department, Haicheng Orthopedic Hospital, Haicheng, China
| | - Shuang Ding
- Department of Orthopedics, The Affiliated Hospital of Changchun University of Chinese Medicine, Changchun, China
| | | | - Jing Yan
- Changchun University of Chinese Medicine, Changchun, China
| | - Xingxing Yu
- Changchun University of Chinese Medicine, Changchun, China
| | - Xukai Wang
- Department of Orthopedics, The Affiliated Hospital of Changchun University of Chinese Medicine, China
| | | | - Zhengyan Wang
- Department of Orthopedics, Changchun University of Chinese Medicine, Changchun, China
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Ma X, Taxi W, Guo Y, Jiaerken H, Zhang Y, Wang J, Sun H, Wang L, Ma Y. A bibliometric analysis of miRNAs in rheumatoid arthritis from 2001 to 2022: Research hotspots and trends. Int J Rheum Dis 2024; 27:e15121. [PMID: 38562078 DOI: 10.1111/1756-185x.15121] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/22/2023] [Revised: 02/01/2024] [Accepted: 02/28/2024] [Indexed: 04/04/2024]
Abstract
BACKGROUND MicroRNAs (miRNAs) are widely recognized in the pathogenesis of autoimmune disease. As a key regulatory factor, miRNAs have introduced new biomarkers for the early diagnosis of rheumatoid arthritis (RA) and provided a favorable research direction for the development of novel therapeutic targets. This study aimed to explore the hotspots of miRNA research related to RA published from different countries, organizations, and authors. METHODS From 2001 to 2022, publications on miRNA related to RA were identified in the Web of Science database. The total and annual number of publishments, citations, impact factor, H-index, productive authors, and involved journals were collected for quantitative and qualitative comparisons. RESULTS A total of 29 countries/regions in the world have participated in the research of miRNAs and RA over the past two decades, and China (760, 53.18%) and the United States (233, 16.31%) account for the majority of the total publications. China dominated in total citation (17881) and H-index (62). A total of 507 academic journals have published articles in related fields, and Frontiers in Immunology published the most (53, 3.71%). Chih-hsin Tang of the China Medical University has published the most papers (16, 1.2%). Stanczyk (2008) published the most cited article Altered expression of miRNAs in synovial fibroblasts and synovial tissue in rheumatoid arthritis in Arthritis and Rheumatism, with 660 citations. Inflammation is the high-frequency keyword outside of RA and miRNAs, and related researches have mainly focused on miR-146a and miR-155. CONCLUSIONS In the past two decades, extensive and continuous research has been conducted to investigate the role of miRNAs in RA, and miRNAs are widely recognized in the pathogenesis of RA. Related research has mainly focused on miR-146a and miR-155 that have shown promising results as key factors in RA experimental models. Focusing on clinical applications and translational research may be the future research direction and hotspot based on molecular biology basic research and mechanism exploration.
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Affiliation(s)
- Xuezhi Ma
- Department of Orthopedics, Affiliated Hospital of Nanjing University of Chinese Medicine, Nanjing, China
| | - Wumiti Taxi
- Department of Orthopedics, Affiliated Hospital of Nanjing University of Chinese Medicine, Nanjing, China
| | - Yang Guo
- Department of Orthopedics, Affiliated Hospital of Nanjing University of Chinese Medicine, Nanjing, China
- Jiangsu CM Clinical Innovation Center of Degenerative Bone & Joint Disease, Wuxi TCM Hospital Affiliated to Nanjing University of Chinese Medicine, Wuxi, China
| | - Hasiteer Jiaerken
- Department of Orthopedics, Affiliated Hospital of Nanjing University of Chinese Medicine, Nanjing, China
| | - Yafeng Zhang
- Jiangsu CM Clinical Innovation Center of Degenerative Bone & Joint Disease, Wuxi TCM Hospital Affiliated to Nanjing University of Chinese Medicine, Wuxi, China
| | - Jianwei Wang
- Jiangsu CM Clinical Innovation Center of Degenerative Bone & Joint Disease, Wuxi TCM Hospital Affiliated to Nanjing University of Chinese Medicine, Wuxi, China
| | - Haitao Sun
- Department of Orthopedic Surgery, Wuxi Huishan District People's Hospital, Wuxi, China
| | - Lining Wang
- School of Chinese Medicine, School of Integrated Chinese and Western Medicine, Nanjing University of Chinese Medicine, Nanjing, China
- Chinese Medicine Centre (International Collaboration between Western Sydney University and Beijing University of Chinese Medicine), Western Sydney University, Sydney, New South Wales, Australia
| | - Yong Ma
- Department of Orthopedics, Affiliated Hospital of Nanjing University of Chinese Medicine, Nanjing, China
- Jiangsu CM Clinical Innovation Center of Degenerative Bone & Joint Disease, Wuxi TCM Hospital Affiliated to Nanjing University of Chinese Medicine, Wuxi, China
- School of Chinese Medicine, School of Integrated Chinese and Western Medicine, Nanjing University of Chinese Medicine, Nanjing, China
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Comertpay B, Gov E. Immune cell-specific and common molecular signatures in rheumatoid arthritis through molecular network approaches. Biosystems 2023; 234:105063. [PMID: 37852410 DOI: 10.1016/j.biosystems.2023.105063] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/19/2023] [Revised: 09/20/2023] [Accepted: 10/13/2023] [Indexed: 10/20/2023]
Abstract
Rheumatoid arthritis (RA) is an autoimmune disorder and common symptom of RA is chronic synovial inflammation. The pathogenesis of RA is not fully understood. Therefore, we aimed to identify underlying common and distinct molecular signatures and pathways among ten types of tissue and cells obtained from patients with RA. In this study, transcriptomic data including synovial tissues, macrophages, blood, T cells, CD4+T cells, CD8+T cells, natural killer T (NKT), cells natural killer (NK) cells, neutrophils, and monocyte cells were analyzed with an integrative and comparative network biology perspective. Each dataset yielded a list of differentially expressed genes as well as a reconstruction of the tissue-specific protein-protein interaction (PPI) network. Molecular signatures were identified by a statistical test using the hypergeometric probability density function by employing the interactions of transcriptional regulators and PPI. Reporter metabolites of each dataset were determined by using genome-scale metabolic networks. It was defined as the common hub proteins, novel molecular signatures, and metabolites in two or more tissue types while immune cell-specific molecular signatures were identified, too. Importantly, miR-155-5p is found as a common miRNA in all tissues. Moreover, NCOA3, PRKDC and miR-3160 might be novel molecular signatures for RA. Our results establish a novel approach for identifying immune cell-specific molecular signatures of RA and provide insights into the role of common tissue-specific genes, miRNAs, TFs, receptors, and reporter metabolites. Experimental research should be used to validate the corresponding genes, miRNAs, and metabolites.
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Affiliation(s)
- Betul Comertpay
- Department of Bioengineering, Adana Alparslan Türkeş Science and Technology University, Adana, Türkiye
| | - Esra Gov
- Department of Bioengineering, Adana Alparslan Türkeş Science and Technology University, Adana, Türkiye.
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Vijaykrishnaraj M, Patil P, Ghate SD, Bhandary AK, Haridas VM, Shetty P. Efficacy of HDAC inhibitors and epigenetic modulation in the amelioration of synovial inflammation, cellular invasion, and bone erosion in rheumatoid arthritis pathogenesis. Int Immunopharmacol 2023; 122:110644. [PMID: 37454631 DOI: 10.1016/j.intimp.2023.110644] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/07/2022] [Revised: 06/30/2023] [Accepted: 07/10/2023] [Indexed: 07/18/2023]
Abstract
Rheumatoid arthritis (RA), an auto-immune disorder affected 1 % of the population around the globe. The pathophysiology of RA is highly concerted process including synovial hyperplasia, pannus formation, bone erosion, synovial cell infiltration in joints, and cartilage destruction. However, recent reports suggest that epigenetics play a pivotal role in the formation and organization of immune response in RA. Particularly, altered DNA methylation and impaired microRNA (miRNA) were detected in several immune cells of RA patients, such as T regulatory cells, fibroblast-like synoviocytes, and blood mononuclear cells. All these processes can be reversed by regulating the ubiquitous or tissue-based expression of histone deacetylases (HDACs) to counteract and terminate them. Hence, HDAC inhibitors (HDACi) could serve as highly potent anti-inflammatory regulators in the uniform amelioration of inflammation. Therefore, this review encompasses the information mainly focussing on the epigenetic modulation in RA pathogenesis and the efficacy of HDACi as an alternative therapeutic option for RA treatment. Overall, these studies have reported the targeting of HDAC1, 2 & 6 molecules would attenuate synoviocyte inflammation, cellular invasion, and bone erosion. Further, the inhibitors such as trichostatin A, suberoyl bis-hydroxamic acid, suberoyl anilide hydroxamic acid, and other compounds are found to attenuate synovial inflammatory immune response, clinical arthritis score, paw swelling, bone erosion, and cartilage destruction. Insight to view this, more clinical studies are required to determine the efficacy of HDACi in RA treatment and to unravel the underlying molecular mechanisms.
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Affiliation(s)
- M Vijaykrishnaraj
- Central Research Laboratory, K.S. Hegde Medical Academy, NITTE (Deemed to be University), Deralakatte, Mangaluru 575018, India
| | - Prakash Patil
- Central Research Laboratory, K.S. Hegde Medical Academy, NITTE (Deemed to be University), Deralakatte, Mangaluru 575018, India
| | - Sudeep D Ghate
- Center for Bioinformatics, K.S. Hegde Medical Academy, NITTE (Deemed to be University), Deralakatte, Mangaluru 575018, India
| | - Adithi K Bhandary
- Department of General Medicine, K.S. Hegde Medical Academy, NITTE (Deemed to be University), Deralakatte, Mangaluru 575018, India
| | - Vikram M Haridas
- Arthritis Super Speciality Centre, Hubli 580020, Karnataka, India
| | - Praveenkumar Shetty
- Central Research Laboratory, K.S. Hegde Medical Academy, NITTE (Deemed to be University), Deralakatte, Mangaluru 575018, India.
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6
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Ren Z, Liu X, Abdollahi E, Tavasolian F. Genetically Engineered Exosomes as a Potential Regulator of Th1 Cells Response in Rheumatoid Arthritis. Biopreserv Biobank 2023; 21:355-366. [PMID: 36779995 DOI: 10.1089/bio.2022.0003] [Citation(s) in RCA: 4] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/14/2023] Open
Abstract
Background: Rheumatoid arthritis is a long-lasting inflammatory disease that usually involves joints, but it can also affect other organs, including the skin and lungs. In this case, it is important to maintain a balance between beneficial pro-inflammatory activity and harmful overactivation of the T helper cells (Th). We strive to investigate in this study the possibilities for the effect of mesenchymal stem cells (MSCs)-derived exosomes containing miR-146a/miR-155 on the lymphocyte population and function. Methods: Exosomes were isolated from overexpressed miR-146a/miR-155 MSCs for the purpose of this analysis. Splenocytes were isolated from collagen-induced arthritis (CIA) and control mice. It was important to consider the expressions of certain predominant autoimmune-response genes, including T-bet and interferon-γ (IFNγ), by quantitative real-time polymerase chain reaction and enzyme-linked immunosorbent assay. It turned out to be a significant consideration with p < 0.05. Results: The results are expressed in percentages with respect to miR-146a/AntimiR-155 transduced MSC-derived exosomes treatment, which significantly decreased the mRNA expression level of IFNγ in healthy mice (p < 0.05). miR-146a transduced MSC-derived exosomes treatment significantly reduced the mRNA expression level of IFNγ in CIA mice (p < 0.05). It should be noted that the secretion of the pro-inflammatory factor IFNγ in CIA mice was inhibited in almost all groups (p < 0.05). Conclusion: Many research groups have mainly focused on strategies for reducing pro-inflammatory cytokines. This approach was recently suggested and investigated in our research team and suggested that manipulation of MSCs-derived exosomes could minimize pro-inflammatory cytokine production to strike a balance among Th subsets. These approaches tend to appear to achieve better results in the regulation of the immune system by the use of engineered exosomes derived from MSCs. By providing accurate information the reasonably practicable use of exosomes for cell-free therapy can be established.
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Affiliation(s)
- Zheng Ren
- Department of Orthopedics and Orthopedics, The sixth Affiliated Hospital of Xinjiang Medical University, Urumqi, China
| | - Xiuxin Liu
- Department of Orthopedics and Orthopedics, The sixth Affiliated Hospital of Xinjiang Medical University, Urumqi, China
| | - Elham Abdollahi
- Supporting the family and the youth of the population Research Core, Department of Gynecology, Mashhad University of Medical Sciences, Mashhad, Iran
- Department of Immunology, Mashhad University of Medical Sciences, Mashhad, Iran
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Peng X, Wang Q, Li W, Ge G, Peng J, Xu Y, Yang H, Bai J, Geng D. Comprehensive overview of microRNA function in rheumatoid arthritis. Bone Res 2023; 11:8. [PMID: 36690624 PMCID: PMC9870909 DOI: 10.1038/s41413-023-00244-1] [Citation(s) in RCA: 19] [Impact Index Per Article: 19.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/18/2022] [Revised: 11/15/2022] [Accepted: 12/04/2022] [Indexed: 01/25/2023] Open
Abstract
MicroRNAs (miRNAs), a class of endogenous single-stranded short noncoding RNAs, have emerged as vital epigenetic regulators of both pathological and physiological processes in animals. They direct fundamental cellular pathways and processes by fine-tuning the expression of multiple genes at the posttranscriptional level. Growing evidence suggests that miRNAs are implicated in the onset and development of rheumatoid arthritis (RA). RA is a chronic inflammatory disease that mainly affects synovial joints. This common autoimmune disorder is characterized by a complex and multifaceted pathogenesis, and its morbidity, disability and mortality rates remain consistently high. More in-depth insights into the underlying mechanisms of RA are required to address unmet clinical needs and optimize treatment. Herein, we comprehensively review the deregulated miRNAs and impaired cellular functions in RA to shed light on several aspects of RA pathogenesis, with a focus on excessive inflammation, synovial hyperplasia and progressive joint damage. This review also provides promising targets for innovative therapies of RA. In addition, we discuss the regulatory roles and clinical potential of extracellular miRNAs in RA, highlighting their prospective applications as diagnostic and predictive biomarkers.
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Affiliation(s)
- Xiaole Peng
- grid.429222.d0000 0004 1798 0228Department of Orthopedics, The First Affiliated Hospital of Soochow University, 188 Shizi Street, Suzhou, 215006 Jiangsu P. R. China
| | - Qing Wang
- grid.429222.d0000 0004 1798 0228Department of Orthopedics, The First Affiliated Hospital of Soochow University, 188 Shizi Street, Suzhou, 215006 Jiangsu P. R. China
| | - Wenming Li
- grid.429222.d0000 0004 1798 0228Department of Orthopedics, The First Affiliated Hospital of Soochow University, 188 Shizi Street, Suzhou, 215006 Jiangsu P. R. China
| | - Gaoran Ge
- grid.429222.d0000 0004 1798 0228Department of Orthopedics, The First Affiliated Hospital of Soochow University, 188 Shizi Street, Suzhou, 215006 Jiangsu P. R. China
| | - Jiachen Peng
- grid.413390.c0000 0004 1757 6938Department of Orthopedics, Affiliated Hospital of Zunyi Medical University, 563000 Zunyi, P. R. China
| | - Yaozeng Xu
- grid.429222.d0000 0004 1798 0228Department of Orthopedics, The First Affiliated Hospital of Soochow University, 188 Shizi Street, Suzhou, 215006 Jiangsu P. R. China
| | - Huilin Yang
- grid.429222.d0000 0004 1798 0228Department of Orthopedics, The First Affiliated Hospital of Soochow University, 188 Shizi Street, Suzhou, 215006 Jiangsu P. R. China
| | - Jiaxiang Bai
- grid.429222.d0000 0004 1798 0228Department of Orthopedics, The First Affiliated Hospital of Soochow University, 188 Shizi Street, Suzhou, 215006 Jiangsu P. R. China
| | - Dechun Geng
- grid.429222.d0000 0004 1798 0228Department of Orthopedics, The First Affiliated Hospital of Soochow University, 188 Shizi Street, Suzhou, 215006 Jiangsu P. R. China
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Alivernini S, Firestein GS, McInnes IB. The pathogenesis of rheumatoid arthritis. Immunity 2022; 55:2255-2270. [PMID: 36516818 DOI: 10.1016/j.immuni.2022.11.009] [Citation(s) in RCA: 79] [Impact Index Per Article: 39.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/22/2022] [Revised: 10/20/2022] [Accepted: 11/17/2022] [Indexed: 12/15/2022]
Abstract
Significant recent progress in understanding rheumatoid arthritis (RA) pathogenesis has led to improved treatment and quality of life. The introduction of targeted-biologic and -synthetic disease modifying anti-rheumatic drugs (DMARDs) has also transformed clinical outcomes. Despite this, RA remains a life-long disease without a cure. Unmet needs include partial response and non-response to treatment in many patients, failure to achieve immune homeostasis or drug free remission, and inability to repair damaged tissues. RA is now recognized as the end of a multi-year prodromal phase in which systemic immune dysregulation, likely beginning in mucosal surfaces, is followed by a symptomatic clinical phase. Inflammation and immune reactivity are primarily localized to the synovium leading to pain and articular damage, but is also associated with a broader series of comorbidities. Here, we review recently described immunologic mechanisms that drive breach of tolerance, chronic synovitis, and remission.
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Affiliation(s)
- Stefano Alivernini
- Immunology Research Core Facility, Gemelli Science and Technology Park, Fondazione Policlinico Universitario A. Gemelli IRCCS, Rome, Italy; Division of Rheumatology - Fondazione Policlinico Universitario A. Gemelli IRCCS - Università Cattolica del Sacro Cuore, Rome, Italy
| | - Gary S Firestein
- Division of Rheumatology, Allergy, and Immunology, University of California San Diego School of Medicine, La Jolla, CA 92093, USA
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Role of miR-155 in inflammatory autoimmune diseases: a comprehensive review. Inflamm Res 2022; 71:1501-1517. [DOI: 10.1007/s00011-022-01643-6] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/19/2022] [Revised: 09/09/2022] [Accepted: 09/10/2022] [Indexed: 11/05/2022] Open
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Manda G, Milanesi E, Genc S, Niculite CM, Neagoe IV, Tastan B, Dragnea EM, Cuadrado A. Pros and cons of NRF2 activation as adjunctive therapy in rheumatoid arthritis. Free Radic Biol Med 2022; 190:179-201. [PMID: 35964840 DOI: 10.1016/j.freeradbiomed.2022.08.012] [Citation(s) in RCA: 6] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 06/14/2022] [Revised: 08/02/2022] [Accepted: 08/08/2022] [Indexed: 10/15/2022]
Abstract
Rheumatoid arthritis (RA) is an autoimmune disease with an important inflammatory component accompanied by deregulated redox-dependent signaling pathways that are feeding back into inflammation. In this context, we bring into focus the transcription factor NRF2, a master redox regulator that exerts exquisite antioxidant and anti-inflammatory effects. The review does not intend to be exhaustive, but to point out arguments sustaining the rationale for applying an NRF2-directed co-treatment in RA as well as its potential limitations. The involvement of NRF2 in RA is emphasized through an analysis of publicly available transcriptomic data on NRF2 target genes and the findings from NRF2-knockout mice. The impact of NRF2 on concurrent pathologic mechanisms in RA is explained by its crosstalk with major redox-sensitive inflammatory and cell death-related pathways, in the context of the increased survival of pathologic cells in RA. The proposed adjunctive therapy targeted to NRF2 is further sustained by the existence of promising NRF2 activators that are in various stages of drug development. The interference of NRF2 with conventional anti-rheumatic therapies is discussed, including the cytoprotective effects of NRF2 for alleviating drug toxicity. From another perspective, the review presents how NRF2 activation would be decreasing the efficacy of synthetic anti-rheumatic drugs by increasing drug efflux. Future perspectives regarding pharmacologic NRF2 activation in RA are finally proposed.
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Affiliation(s)
- Gina Manda
- Radiobiology Laboratory, Victor Babes National Institute of Pathology, Bucharest, Romania
| | - Elena Milanesi
- Radiobiology Laboratory, Victor Babes National Institute of Pathology, Bucharest, Romania
| | - Sermin Genc
- Neurodegeneration and Neuroprotection Laboratory, Izmir Biomedicine and Genome Center, Izmir, Turkey; Izmir International Biomedicine and Genome Institute, Dokuz Eylul University, Izmir, Turkey; Department of Neuroscience, Health Science Institute, Dokuz Eylul University, Izmir, Turkey
| | - Cristina Mariana Niculite
- Radiobiology Laboratory, Victor Babes National Institute of Pathology, Bucharest, Romania; Department of Cellular and Molecular Biology and Histology, Carol Davila University of Medicine and Pharmacy, Bucharest, Romania
| | - Ionela Victoria Neagoe
- Radiobiology Laboratory, Victor Babes National Institute of Pathology, Bucharest, Romania
| | - Bora Tastan
- Neurodegeneration and Neuroprotection Laboratory, Izmir Biomedicine and Genome Center, Izmir, Turkey; Izmir International Biomedicine and Genome Institute, Dokuz Eylul University, Izmir, Turkey
| | - Elena Mihaela Dragnea
- Radiobiology Laboratory, Victor Babes National Institute of Pathology, Bucharest, Romania
| | - Antonio Cuadrado
- Department of Biochemistry, Medical College, Autonomous University of Madrid (UAM), Madrid, Spain; Instituto de Investigaciones Biomédicas "Alberto Sols" (CSIC-UAM), Madrid, Spain; Instituto de Investigación Sanitaria La Paz (IdiPaz), Madrid, Spain; Centro de Investigación Biomédica en Red de Enfermedades Neurodegenerativas (CIBERNED), Madrid, Spain.
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11
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Non-coding RNA network associated with obesity and rheumatoid arthritis. Immunobiology 2022; 227:152281. [DOI: 10.1016/j.imbio.2022.152281] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/22/2022] [Accepted: 09/13/2022] [Indexed: 11/18/2022]
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12
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Jafarzadeh A, Nemati M, Aminizadeh N, Bodhale N, Sarkar A, Jafarzadeh S, Sharifi I, Saha B. Bidirectional cytokine-microRNA control: A novel immunoregulatory framework in leishmaniasis. PLoS Pathog 2022; 18:e1010696. [PMID: 35925884 PMCID: PMC9351994 DOI: 10.1371/journal.ppat.1010696] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/02/2022] Open
Abstract
As effector innate immune cells and as a host to the protozoan parasite Leishmania, macrophages play a dual role in antileishmanial immunoregulation. The 2 key players in this immunoregulation are the macrophage-expressed microRNAs (miRNAs) and the macrophage-secreted cytokines. miRNAs, as small noncoding RNAs, play vital roles in macrophage functions including cytokines and chemokines production. In the reverse direction, Leishmania-regulated cytokines alter miRNAs expression to regulate the antileishmanial functions of macrophages. The miRNA patterns vary with the time and stage of infection. The cytokine-regulated macrophage miRNAs not only help parasite elimination or persistence but also regulate cytokine production from macrophages. Based on these observations, we propose a novel immunoregulatory framework as a scientific rationale for antileishmanial therapy.
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Affiliation(s)
- Abdollah Jafarzadeh
- Department of Immunology, School of Medicine, Kerman University of Medical Sciences, Kerman, Iran
- Molecular Medicine Research Center, Research Institute of Basic Medical Sciences, Rafsanjan University of Medical Sciences, Rafsanjan, Iran
- * E-mail: (AJ); (BS)
| | - Maryam Nemati
- Immunology of Infectious Diseases Research Center, Research Institute of Basic Medical Sciences, Rafsanjan University of Medical Sciences, Rafsanjan, Iran
- Department of Haematology and Laboratory Sciences, School of Para-Medicine, Kerman University of Medical Sciences, Kerman, Iran
| | - Najmeh Aminizadeh
- Department of Histology, School of Medicine, Islamic Azad University Branch of Kerman, Kerman
| | | | - Arup Sarkar
- Trident Academy of Creative Technology, Bhubaneswar, Odisha, India
| | - Sara Jafarzadeh
- Student Research Committee, School of Medicine, Kerman University of Medical Sciences, Iran
| | - Iraj Sharifi
- Leishmaniasis Research Center, Kerman University of Medical Sciences, Kerman, Iran
| | - Bhaskar Saha
- National Centre For Cell Science, Pune, India
- Trident Academy of Creative Technology, Bhubaneswar, Odisha, India
- * E-mail: (AJ); (BS)
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13
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An update on novel therapeutic intervention in Rheumatoid arthritis. Int Immunopharmacol 2022; 109:108794. [DOI: 10.1016/j.intimp.2022.108794] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/16/2022] [Revised: 04/11/2022] [Accepted: 04/19/2022] [Indexed: 12/15/2022]
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14
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Wang W, Geng J, Wu X, Zhang J, Zheng C, Rao H, Li T, Diao Y, Yang H. Preparation of a miR-155-activating nucleic acid nanoflower to study the molecular mechanism of miR-155 in inflammation. Mol Med 2022; 28:66. [PMID: 35715753 PMCID: PMC9204882 DOI: 10.1186/s10020-022-00495-4] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/08/2022] [Accepted: 06/01/2022] [Indexed: 11/10/2022] Open
Abstract
At present, the molecular mechanisms underlying inflammation remain unclear. In recent years, research on inflammation has focused on stimulating cell inflammation by using exogenous pro-inflammatory substances such as lipopolysaccharide (LPS) or inflammatory factors. To investigate the molecular mechanism of inflammation from a new perspective, we designed a nucleic acid nanoflowers (NFs) complex to directly activate inflammatory genes to study the inflammatory response without the need for external microbial factors to trigger an inflammatory response. An RNAa-type target gene-activated NFs was designed. Human umbilical vein endothelial cells (HUVECs) were transfected with NFs carrying small activating RNA (saRNAs) to directly co-activate microRNA (miR)-155 and SHIP1 genes. After RNA activation (RNAa)-type NFs were transferred into HUVECs, the expression of miR-155 and pro-inflammatory and cancer-related factors increased, anti-inflammatory factors were reduced, cell proliferation increased, and cell migration was promoted. IL-1β protein levels were decreased and SHIP1 expression was downregulated. When miR-155 and its target SHIP1 were both activated, the expression of both was unaltered, maintaining cell homeostasis. This points towards miR-155 overexpression can trigger inflammation, and that miR-155 and its target genes act as a molecular switch role in the development of inflammation.
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Affiliation(s)
- Wenxin Wang
- Department of Medical, Huaqiao University, Quanzhou, 362021, China
| | - Jie Geng
- Department of Medical, Huaqiao University, Quanzhou, 362021, China
| | - Xiaohan Wu
- Department of Medical, Huaqiao University, Quanzhou, 362021, China
| | - Jianguang Zhang
- Xiamen Institute for Food and Drug Quality Control, Xiamen, China
| | - Chenna Zheng
- Quanzhou Medical College, Quanzhou, 362011, China
| | - Huachun Rao
- Laboratory Medicine, Quanzhou Orthopedic-Traumatological Hospital of Fujian Traditional Chinese Medicine University, Quanzhou, China
| | - Tianyu Li
- Department of Medical, Huaqiao University, Quanzhou, 362021, China
| | - Yong Diao
- Department of Medical, Huaqiao University, Quanzhou, 362021, China
| | - Huiyong Yang
- Department of Medical, Huaqiao University, Quanzhou, 362021, China.
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15
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Olsson AM, Povoleri GAM, Somma D, Ridley ML, Rizou T, Lalnunhlimi S, Macdonald L, Rajasekhar M, Martinez-Nunez RT, Kurowska-Stolarska M, Taams LS. miR-155-overexpressing monocytes resemble HLAhighISG15+ synovial tissue macrophages from patients with rheumatoid arthritis and induce polyfunctional CD4+ T-cell activation. Clin Exp Immunol 2022; 207:188-198. [PMID: 35020867 PMCID: PMC8982969 DOI: 10.1093/cei/uxab016] [Citation(s) in RCA: 6] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/13/2021] [Revised: 10/25/2021] [Accepted: 11/08/2021] [Indexed: 12/11/2022] Open
Abstract
MicroRNAs (miRs) are known to regulate pro-inflammatory effector functions of myeloid cells, and miR dysregulation is implicated in rheumatoid arthritis (RA), a condition characterized by inflammation and destruction of the joints. We showed previously that miR-155 is increased in myeloid cells in RA and induces pro-inflammatory activation of monocytes and macrophages; however, its role at the interface between innate and adaptive immunity was not defined. Here, RNA-sequencing revealed that overexpression of miR-155 in healthy donor monocytes conferred a specific gene profile which bears similarities to that of RA synovial fluid-derived CD14+ cells and HLAhighISG15+ synovial tissue macrophages, both of which are characterized by antigen-presenting pathways. In line with this, monocytes in which miR-155 was overexpressed, displayed increased expression of HLA-DR and both co-stimulatory and co-inhibitory molecules, and induced activation of polyfunctional T cells. Together, these data underpin the notion that miR-155-driven myeloid cell activation in the synovium contributes not only to inflammation but may also influence the adaptive immune response.
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Affiliation(s)
- Anton M Olsson
- Centre for Inflammation Biology and Cancer Immunology, Department of Inflammation Biology, School of Immunology and Microbial Sciences, King's College London, London, UK
| | - Giovanni A M Povoleri
- Centre for Inflammation Biology and Cancer Immunology, Department of Inflammation Biology, School of Immunology and Microbial Sciences, King's College London, London, UK
| | - Domenico Somma
- Institute of Infection, Immunity, and Inflammation, University of Glasgow, Glasgow, UK
| | - Michael L Ridley
- Centre for Inflammation Biology and Cancer Immunology, Department of Inflammation Biology, School of Immunology and Microbial Sciences, King's College London, London, UK.,GSK, Stevenage, UK
| | - Tatiana Rizou
- Centre for Inflammation Biology and Cancer Immunology, Department of Inflammation Biology, School of Immunology and Microbial Sciences, King's College London, London, UK.,Francis Crick Institute, London, UK
| | - Sylvine Lalnunhlimi
- Centre for Inflammation Biology and Cancer Immunology, Department of Inflammation Biology, School of Immunology and Microbial Sciences, King's College London, London, UK
| | - Lucy Macdonald
- Institute of Infection, Immunity, and Inflammation, University of Glasgow, Glasgow, UK.,Research into Inflammatory Arthritis Centre Versus Arthritis (RACE), University of Glasgow, Glasgow, UK
| | - Megha Rajasekhar
- Centre for Inflammation Biology and Cancer Immunology, Department of Inflammation Biology, School of Immunology and Microbial Sciences, King's College London, London, UK.,Melbourne School of Population and Global Health, The University of Melbourne, Carlton, VIC, Australia
| | - Rocio T Martinez-Nunez
- Department of Infectious Diseases, School of Immunology & Microbial Sciences, King's College London, London, UK
| | - Mariola Kurowska-Stolarska
- Institute of Infection, Immunity, and Inflammation, University of Glasgow, Glasgow, UK.,Research into Inflammatory Arthritis Centre Versus Arthritis (RACE), University of Glasgow, Glasgow, UK
| | - Leonie S Taams
- Centre for Inflammation Biology and Cancer Immunology, Department of Inflammation Biology, School of Immunology and Microbial Sciences, King's College London, London, UK
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16
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Pan S, Wu YJ, Zhang SS, Cheng XP, Olatunji OJ, Yin Q, Zuo J. The Effect of α7nAChR Signaling on T Cells and Macrophages and Their Clinical Implication in the Treatment of Rheumatic Diseases. Neurochem Res 2022; 47:531-544. [PMID: 34783974 DOI: 10.1007/s11064-021-03480-1] [Citation(s) in RCA: 6] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/17/2021] [Revised: 11/02/2021] [Accepted: 11/05/2021] [Indexed: 10/19/2022]
Abstract
Rheumatoid arthritis (RA) is one of the most common autoimmune disease and until now, the etiology and pathogenesis of RA is not fully understood, although dysregulation of immune cells is one of the leading cause of RA-related pathological changes. Based on current understanding, the priority of anti-rheumatic treatments is to restore immune homeostasis. There are several anti-rheumatic drugs with immunomodulatory effects available nowadays, but most of them have obvious safety or efficacy shortcomings. Therefore, the development of novel anti-rheumatic drugs is still in urgently needed. Cholinergic anti-inflammatory pathway (CAP) has been identified as an important aspect of the so-called neuro-immune regulation feedback, and the interaction between acetylcholine and alpha 7 nicotinic acetylcholine receptor (α7nAChR) serves as the foundation for this signaling. Consistent to its immunomodulatory functions, α7nAChR is extensively expressed by immune cells. Accordingly, CAP activation greatly affects the differentiation and function of α7nAChR-expressing immune cells. As a result, targeting α7nAChR will bring profound therapeutic impacts on the treatment of inflammatory diseases like RA. RA is widely recognized as a CD4+ T cells-driven disease. As a major component of innate immunity, macrophages also significantly contribute to RA-related immune abnormalities. Theoretically, manipulation of CAP in immune cells is a feasible way to treat RA. In this review, we summarized the roles of different T cells and macrophages subsets in the occurrence and progression of RA, and highlighted the immune consequences of CAP activation in these cells under RA circumstances. The in-depth discussion is supposed to inspire the development of novel cell-specific CAP-targeting anti-rheumatic regimens.
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Affiliation(s)
- Shu Pan
- Department of Pharmacy, The Second Affiliated Hospital of Wannan Medical College, Wuhu, 241000, China
- School of Pharmacy, Wannan Medical College, Wuhu, 241000, China
- Research Center of Integration of Traditional Chinese and Western Medicine, Wannan Medical College, Wuhu, 241000, China
| | - Yi-Jin Wu
- Department of Pharmacy, The Second Affiliated Hospital of Wannan Medical College, Wuhu, 241000, China
- School of Pharmacy, Wannan Medical College, Wuhu, 241000, China
- Research Center of Integration of Traditional Chinese and Western Medicine, Wannan Medical College, Wuhu, 241000, China
| | - Sa-Sa Zhang
- Department of Pharmacy, The Second Affiliated Hospital of Wannan Medical College, Wuhu, 241000, China
- School of Pharmacy, Wannan Medical College, Wuhu, 241000, China
- Research Center of Integration of Traditional Chinese and Western Medicine, Wannan Medical College, Wuhu, 241000, China
| | - Xiu-Ping Cheng
- Department of Traditional Chinese Medicine, The First Affiliated Hospital of Wannan Medical College (Yijishan Hospital), Wuhu, 241000, China
| | - Opeyemi Joshua Olatunji
- Faculty of Traditional Thai Medicine, Prince of Songkla University, Hat Yai, 90110, Thailand
| | - Qin Yin
- Department of Pharmacy, The Second Affiliated Hospital of Wannan Medical College, Wuhu, 241000, China.
- School of Pharmacy, Wannan Medical College, Wuhu, 241000, China.
| | - Jian Zuo
- Department of Traditional Chinese Medicine, The First Affiliated Hospital of Wannan Medical College (Yijishan Hospital), Wuhu, 241000, China.
- Key Laboratory of Non-coding RNA Transformation Research of Anhui Higher Education Institution, Wannan Medical College, Wuhu, 241000, China.
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17
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Sandhu G, Thelma BK. New Druggable Targets for Rheumatoid Arthritis Based on Insights From Synovial Biology. Front Immunol 2022; 13:834247. [PMID: 35265082 PMCID: PMC8899708 DOI: 10.3389/fimmu.2022.834247] [Citation(s) in RCA: 11] [Impact Index Per Article: 5.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/13/2021] [Accepted: 01/31/2022] [Indexed: 12/19/2022] Open
Abstract
Rheumatoid arthritis (RA) is a multifactorial autoimmune disease characterized by chronic inflammation and destruction of multiple small joints which may lead to systemic complications. Altered immunity via pathogenic autoantibodies pre-date clinical symptom development by several years. Incompletely understood range of mechanisms trigger joint-homing, leading to clinically evident articular disease. Advances in therapeutic approaches and understanding pathogenesis have improved prognosis and likely remission. However, partial/non-response to conventional and biologic therapies witnessed in a subset of patients highlights the need for new therapeutics. It is now evident that joint disease chronicity stems from recalcitrant inflammatory synovial environment, majorly maintained by epigenetically and metabolically reprogrammed synoviocytes. Therefore, interference with effector functions of activated cell types seems a rational strategy to reinstate synovial homeostasis and complement existing anti-inflammatory interventions to mitigate chronic RA. Presenting this newer aspect of fibroblast-like synoviocytes and myeloid cells underlying the altered synovial biology in RA and its potential for identification of new druggable targets is attempted in this review. Major leads from i) molecular insights of pathogenic cell types from hypothesis free OMICS approaches; ii) hierarchy of their dysregulated signaling pathways; and iii) knowledge of druggability of molecular nodes in these pathways are highlighted. Development of such synovial biology-directed therapeutics hold promise for an enriched drug repertoire for RA.
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Affiliation(s)
| | - B. K. Thelma
- Department of Genetics, University of Delhi, New Delhi, India
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18
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Long non-coding RNA Xist contribution in systemic lupus erythematosus and rheumatoid arthritis. Clin Immunol 2022; 236:108937. [PMID: 35114365 DOI: 10.1016/j.clim.2022.108937] [Citation(s) in RCA: 21] [Impact Index Per Article: 10.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/26/2021] [Revised: 01/24/2022] [Accepted: 01/25/2022] [Indexed: 12/14/2022]
Abstract
Growing evidence points towards the role of the long non-coding (lnc)-RNA Xist expressed in female cells as a predominant key actor for the sex bias observed in systemic lupus erythematosus (SLE) and rheumatoid arthritis (RA). Indeed, in female cells, lnc-Xist controls transcription directly by spreading across the inactivated X chromosome (Xi) and indirectly by sequestring miRNAs as a sponge. The inactivation process at Xi is altered in lymphocytes from SLE women and associated with important variations in ribonucleoproteins (RNP) associated with lnc-Xist. In fibroblast-like synoviocytes (FLS) and osteoclasts from RA women, proinflammatory and proliferative pathways are upregulated due to the sequestration effect exerted by lnc-Xist overexpression on miRNAs. The key role played by lnc-Xist in SLE and RA is further supported by it's knock down that recapitulates the SLE B cell extrafollicular profile and controls RA associated FLS proinflammatory cytokine production and proliferation.
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19
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Kmiołek T, Paradowska-Gorycka A. miRNAs as Biomarkers and Possible Therapeutic Strategies in Rheumatoid Arthritis. Cells 2022; 11:cells11030452. [PMID: 35159262 PMCID: PMC8834522 DOI: 10.3390/cells11030452] [Citation(s) in RCA: 28] [Impact Index Per Article: 14.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/24/2021] [Revised: 01/10/2022] [Accepted: 01/26/2022] [Indexed: 02/07/2023] Open
Abstract
Within the past years, more and more attention has been devoted to the epigenetic dysregulation that provides an additional window for understanding the possible mechanisms involved in the pathogenesis of autoimmune rheumatic diseases. Rheumatoid arthritis (RA) is a heterogeneous disease where a specific immunologic and genetic/epigenetic background is responsible for disease manifestations and course. In this field, microRNAs (miRNA; miR) are being identified as key regulators of immune cell development and function. The identification of disease-associated miRNAs will introduce us to the post-genomic era, providing the real probability of manipulating the genetic impact of autoimmune diseases. Thereby, different miRNAs may be good candidates for biomarkers in disease diagnosis, prognosis, treatment and other clinical applications. Here, we outline not only the role of miRNAs in immune and inflammatory responses in RA, but also present miRNAs as diagnostic/prognostic biomarkers. Research into miRNAs is still in its infancy; however, investigation into these novel biomarkers could progress the use of personalized medicine in RA treatment. Finally, we discussed the possibility of miRNA-based therapy in RA patients, which holds promise, given major advances in the therapy of patients with inflammatory arthritis.
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20
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Zhao J, Jiang P, Guo S, Schrodi SJ, He D. Apoptosis, Autophagy, NETosis, Necroptosis, and Pyroptosis Mediated Programmed Cell Death as Targets for Innovative Therapy in Rheumatoid Arthritis. Front Immunol 2022; 12:809806. [PMID: 35003139 PMCID: PMC8739882 DOI: 10.3389/fimmu.2021.809806] [Citation(s) in RCA: 78] [Impact Index Per Article: 39.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/05/2021] [Accepted: 12/13/2021] [Indexed: 01/13/2023] Open
Abstract
Rheumatoid arthritis (RA) is a chronic inflammatory joint disease that can lead to clinical manifestations of systemic diseases. Its leading features include chronic synovial inflammation and degeneration of the bones and joints. In the past decades, multiple susceptibilities for rheumatoid arthritis have been identified along with the development of a remarkable variety of drugs for its treatment; which include analgesics, glucocorticoids, nonsteroidal anti-inflammatory medications (NSAIDs), disease-modifying anti-rheumatic drugs (DMARDs), and biologic response modifiers (bDMARDs). Despite the existence of many clinical treatment options, the prognosis of some patients remains poor due to complex mechanism of the disease. Programmed cell death (PCD) has been extensively studied and ascertained to be one of the essential pathological mechanisms of RA. Its dysregulation in various associated cell types contributes to the development of RA. In this review, we summarize the role of apoptosis, cell death-associated neutrophil extracellular trap formation, necroptosis, pyroptosis, and autophagy in the pathophysiology of RA to provide a theoretical reference and insightful direction to the discovery and development of novel therapeutic targets for RA.
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Affiliation(s)
- Jianan Zhao
- Guanghua Clinical Medical College, Shanghai University of Traditional Chinese Medicine, Shanghai, China.,Department of Rheumatology, Shanghai Guanghua Hospital, Shanghai University of Traditional Chinese Medicine, Shanghai, China
| | - Ping Jiang
- Guanghua Clinical Medical College, Shanghai University of Traditional Chinese Medicine, Shanghai, China.,Department of Rheumatology, Shanghai Guanghua Hospital, Shanghai University of Traditional Chinese Medicine, Shanghai, China
| | - Shicheng Guo
- Department of Medical Genetics, School of Medicine and Public Health, University of Wisconsin-Madison, Madison, WI, United States
| | - Steven J Schrodi
- Department of Medical Genetics, School of Medicine and Public Health, University of Wisconsin-Madison, Madison, WI, United States
| | - Dongyi He
- Department of Rheumatology, Shanghai Guanghua Hospital, Shanghai University of Traditional Chinese Medicine, Shanghai, China.,Arthritis Institute of Integrated Traditional and Western Medicine, Shanghai Chinese Medicine Research Institute, Shanghai, China
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21
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Voelz C, Ebrahimy N, Zhao W, Habib P, Zendedel A, Pufe T, Beyer C, Slowik A. Transient Focal Cerebral Ischemia Leads to miRNA Alterations in Different Brain Regions, Blood Serum, Liver, and Spleen. Int J Mol Sci 2021; 23:ijms23010161. [PMID: 35008586 PMCID: PMC8745086 DOI: 10.3390/ijms23010161] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/29/2021] [Revised: 12/17/2021] [Accepted: 12/21/2021] [Indexed: 12/13/2022] Open
Abstract
Ischemic stroke is characterized by an occlusion of a cerebral blood vessel resulting in neuronal cell death due to nutritional and oxygen deficiency. Additionally, post-ischemic cell death is augmented after reperfusion. These events are paralleled by dysregulated miRNA expression profiles in the peri-infarct area. Understanding the underlying molecular mechanism in the peri-infarct region is crucial for developing promising therapeutics. Utilizing a tMCAo (transient Middle Cerebral Artery occlusion) model in rats, we studied the expression levels of the miRNAs (miR) 223-3p, 155-5p, 3473, and 448-5p in the cortex, amygdala, thalamus, and hippocampus of both the ipsi- and contralateral hemispheres. Additionally, the levels in the blood serum, spleen, and liver and the expression of their target genes, namely, Nlrp3, Socs1, Socs3, and Vegfa, were assessed. We observed an increase in all miRNAs on the ipsilateral side of the cerebral cortex in a time-dependent manner and increased miRNAs levels (miR-223-3p, miR-3473, and miR-448-5p) in the contralateral hemisphere after 72 h. Besides the cerebral cortex, the amygdala presented increased expression levels, whereas the thalamus and hippocampus showed no alterations. Different levels of the investigated miRNAs were detected in blood serum, liver, and spleen. The gene targets were altered not only in the peri-infarct area of the cortex but selectively increased in the investigated non-affected brain regions along with the spleen and liver during the reperfusion time up to 72 h. Our results suggest a supra-regional influence of miRNAs following ischemic stroke, which should be studied to further identify whether miRNAs are transported or locally upregulated.
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Affiliation(s)
- Clara Voelz
- Institute of Neuroanatomy, Medical Faculty, RWTH Aachen University, 52074 Aachen, Germany; (C.V.); (N.E.); (W.Z.); (A.Z.); (C.B.)
| | - Nahal Ebrahimy
- Institute of Neuroanatomy, Medical Faculty, RWTH Aachen University, 52074 Aachen, Germany; (C.V.); (N.E.); (W.Z.); (A.Z.); (C.B.)
| | - Weiyi Zhao
- Institute of Neuroanatomy, Medical Faculty, RWTH Aachen University, 52074 Aachen, Germany; (C.V.); (N.E.); (W.Z.); (A.Z.); (C.B.)
| | - Pardes Habib
- Department of Neurology, Medical Faculty, RWTH Aachen University, 52074 Aachen, Germany;
- JARA-BRAIN Institute of Molecular Neuroscience and Neuroimaging, Forschungszentrum Jülich GmbH, RWTH Aachen University, 52074 Aachen, Germany
| | - Adib Zendedel
- Institute of Neuroanatomy, Medical Faculty, RWTH Aachen University, 52074 Aachen, Germany; (C.V.); (N.E.); (W.Z.); (A.Z.); (C.B.)
| | - Thomas Pufe
- Department of Anatomy and Cell Biology, Medical Faculty, RWTH Aachen University, 52074 Aachen, Germany;
| | - Cordian Beyer
- Institute of Neuroanatomy, Medical Faculty, RWTH Aachen University, 52074 Aachen, Germany; (C.V.); (N.E.); (W.Z.); (A.Z.); (C.B.)
| | - Alexander Slowik
- Department of Anatomy and Cell Biology, Medical Faculty, RWTH Aachen University, 52074 Aachen, Germany;
- Correspondence: ; Tel.: +49-(0)241-80-89112
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22
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Payet M, Dargai F, Gasque P, Guillot X. Epigenetic Regulation (Including Micro-RNAs, DNA Methylation and Histone Modifications) of Rheumatoid Arthritis: A Systematic Review. Int J Mol Sci 2021; 22:ijms222212170. [PMID: 34830057 PMCID: PMC8625518 DOI: 10.3390/ijms222212170] [Citation(s) in RCA: 9] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/13/2021] [Revised: 11/03/2021] [Accepted: 11/06/2021] [Indexed: 11/16/2022] Open
Abstract
The inflammatory reaction in rheumatoid arthritis (RA) is controlled by major epigenetic modifications that modulate the phenotype of synovial and immune cells. The aim of this work was to perform a systematic review focusing on miR expression, DNA methylation and histone modifications in RA. We demonstrated that, in human samples, the expressions of miR-155, miR-146a and miR-150 were significantly decreased while the expression of miR-410-3p was significantly increased in the RA group. Moreover, miR-146a significantly decreased pro-autoimmune IL-17 cytokine expression in RA. In a murine model, miR-34a inhibition can ameliorate the arthritis score. However, this evidence remain critically insufficient to support current therapeutic applications in RA patients.
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Affiliation(s)
- Melissa Payet
- Research Unit ‘Etudes en Pharmaco-Immunologie’ UR EPI, Université de la Réunion, 97400 Réunion, France; (P.G.); (X.G.)
- Correspondence:
| | - Farouk Dargai
- Orthopedic Clinical Department, CHU Bellepierre, Reunion University Hospital, 97400 Réunion, France;
| | - Philippe Gasque
- Research Unit ‘Etudes en Pharmaco-Immunologie’ UR EPI, Université de la Réunion, 97400 Réunion, France; (P.G.); (X.G.)
- Immunology Laboratory (LICE-OI), CHU Bellepierre, Reunion University Hospital, 97400 Réunion, France
| | - Xavier Guillot
- Research Unit ‘Etudes en Pharmaco-Immunologie’ UR EPI, Université de la Réunion, 97400 Réunion, France; (P.G.); (X.G.)
- Rheumatology Clinical Department, CHU Bellepierre, Reunion University Hospital, 97400 Réunion, France
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23
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Exploring the Extracellular Vesicle MicroRNA Expression Repertoire in Patients with Rheumatoid Arthritis and Ankylosing Spondylitis Treated with TNF Inhibitors. DISEASE MARKERS 2021; 2021:2924935. [PMID: 34691284 PMCID: PMC8529175 DOI: 10.1155/2021/2924935] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 07/12/2021] [Accepted: 09/03/2021] [Indexed: 12/17/2022]
Abstract
Rheumatoid arthritis (RA) and ankylosing spondylitis (AS) belong to the most common inflammatory rheumatic diseases. MicroRNAs (miRNAs) are small 18–22 RNA molecules that function as posttranscriptional regulators. They are abundantly present within extracellular vesicles (EVs), small intercellular communication vesicles that can be found in bodily fluids and that have key functions in pathological and physiological pathways. Recently, EVs have gained much interest because of their diagnostic and therapeutic potential. Using NanoString profiling technology, the miRNA repertoire of serum EVs was determined and compared in RA and AS patients before and after anti-TNF therapy to assess its potential use as a diagnostic and prognostic biomarker. Furthermore, possible functional effects of those miRNAs that were characterized by the most significant expression changes were evaluated using in silico prediction algorithms. The analysis revealed a unique profile of differentially expressed miRNAs in RA and AS patient serum EVs. We identified 12 miRNAs whose expression profiles enabled differentiation between RA and AS patients before induction of anti-TNF treatment, as well as 4 and 14 miRNAs whose repertoires were significantly changed during the treatment in RA and AS patients, respectively. In conclusion, our findings suggest that extracellular vesicle miRNAs could be used as potential biomarkers associated with RA and AS response to biological treatment.
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24
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Guan X, Zhang Y, Gareev I, Beylerli O, Li X, Lu G, Lv L, Hai X. MiR-499a prevents astrocytes mediated inflammation in ischemic stroke by targeting PTEN. Noncoding RNA Res 2021; 6:146-152. [PMID: 34632168 PMCID: PMC8488463 DOI: 10.1016/j.ncrna.2021.09.002] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/09/2021] [Revised: 09/24/2021] [Accepted: 09/24/2021] [Indexed: 01/29/2023] Open
Abstract
INTRODUCTION Ischemic stroke (IS) is a common and severe neurological disorder and is associated with high rates of mortality and morbidity. Inflammatory reaction in astrocytes is one of the important pathological factors of stroke. Improved understanding of the underlying molecular mechanisms should aid better treatment of the disease. This study aimed to test our hypothesis that a miR-499a played an important role in the inflammatory response in astrocytes induced by IS targeting phosphatase and tensin homologue deleted on chromosome 10 (PTEN). METHODS This study was comprised of two models: oxygen-glucose deprivation (OGD) and reoxygenation model. Quantitative real-time PCR (qRT-PCR) and Western blot were used to examine gene expression levels, and MTT assay analysis were used to examine cell states. The relationships between miR-499a and PTEN were confirmed by luciferase reporter assay. RESULTS MiR-499a was robustly downregulated with OGD induced injury in astrocytes. Forced transient expression of miR-499a in OGD astrocytes nearly completely reversed the inflammatory response. Knockdown of miR-499a by its specific inhibitor in healthy astrocytes induced the inflammatory response resembling those produced by OGD. On the other hand, PTEN was markedly upregulated in OGD astrocytes, which was reciprocal to the expression of miR-499a. PTEN was experimentally validated as a direct target gene for miR-499a. Overexpression of PTEN was able to induce an inflammatory response of astrocytes. Moreover, PTEN siRNA counteracted the inflammatory response induced by OGD. CONCLUSIONS Taken together, our findings indicate miR-499a as an important factor to prevent inflammatory response and suggest miR-499a as a new molecule for the treatment of IS. The present study also demonstrated the relationship between miR-499a and PTEN, with PTEN as a downstream signaling mediator of miR-499a in the inflammatory response of astrocytes induced by IS.
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Affiliation(s)
- Xiaoxiang Guan
- Department of Pharmacy, The First Affiliated Hospital of Harbin Medical University, 23 Youzheng Street, Harbin, Heilongjiang, 150001, PR China
| | - Yiwei Zhang
- Harbin Medical University, 157 Baojian Street, Harbin, Heilongjiang, 150001, PR China
| | - Ilgiz Gareev
- Bashkir State Medical University, Ufa, 450008, Russia
| | - Ozal Beylerli
- Bashkir State Medical University, Ufa, 450008, Russia
| | - Xinyuan Li
- The First Affiliated Hospital of Harbin Medical University, 23 Youzheng Street, Harbin, Heilongjiang, 150001, PR China
| | - Guitian Lu
- The First Affiliated Hospital of Harbin Medical University, 23 Youzheng Street, Harbin, Heilongjiang, 150001, PR China
| | - Lin Lv
- The First Affiliated Hospital of Harbin Medical University, 23 Youzheng Street, Harbin, Heilongjiang, 150001, PR China
| | - Xin Hai
- Department of Pharmacy, The First Affiliated Hospital of Harbin Medical University, 23 Youzheng Street, Harbin, Heilongjiang, 150001, PR China
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Liu C, Zhao Q, Zhong L, Li Q, Li R, Li S, Li Y, Li N, Su J, Dhondrup W, Meng X, Zhang Y, Tu Y, Wang X. Tibetan medicine Ershiwuwei Lvxue Pill attenuates collagen-induced arthritis via inhibition of JAK2/STAT3 signaling pathway. JOURNAL OF ETHNOPHARMACOLOGY 2021; 270:113820. [PMID: 33465441 DOI: 10.1016/j.jep.2021.113820] [Citation(s) in RCA: 19] [Impact Index Per Article: 6.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/30/2020] [Revised: 12/18/2020] [Accepted: 01/11/2021] [Indexed: 06/12/2023]
Abstract
ETHNOPHARMACOLOGICAL RELEVANCE Ershiwuwei Lvxue Pill (ELP, མགྲིན་མཚལ་ཉེར་ལྔ།), a traditional Tibetan medicine preparation, has been used hundreds of years for the clinical treatment of rheumatoid arthritis (RA) in the highland region of Tibet, China. However, the underlying mechanism of its therapeutic effect remains unclear. AIM OF THE STUDY The present study aimed to investigate the potential pharmacological mechanisms of anti-arthritic effect of ELP. MATERIALS AND METHODS The main chemical constituents of ELP were analyzed by ultra-performance liquid chromatography quadrupole-time-flight mass spectrometry (UPLC-Q-TOF-MS). Forty-eight male Wistar rats (220 ± 20 g) were randomly divided into six groups: normal group, collagen-induced arthritis (CIA) group, methotrexate group (1.05 mg/kg), ELP groups (115, 230 and 460 mg/kg). CIA rat models were assigned to evaluate the anti-RA activity of ELP by determining the paws swelling, arthritis score, organ coefficients of spleen and thymus, and histopathological analysis of knee joints of synovial tissues. The levels of TNF-α, IL-10, IL-6 and IL-17 in serum were measured by ELISA. In addition, mRNA and protein expression levels associated with JAK2/STAT3 signaling pathway in synovial tissues of CIA rats were detected by qRT-PCR, immunohistochemistry and Western blot analyses. RESULTS Fourteen main chemical constituents of ELP were quantitatively determined by UPLC-Q-TOF-MS analysis. Treatment with ELP reduced the paw swelling, arthritis score and organ coefficients of spleen and thymus. Histopathological examination revealed the protective effects of ELP on CIA rats with knee joint injury. The levels of serum pro-inflammatory cytokines (TNF-α, IL-6 and IL-17) were markedly reduced while the anti-inflammatory cytokine IL-10 was significantly increased with the treatment of ELP. Further investigations showed ELP down-regulated the mRNA and protein expression levels of Bcl-2, whereas up-regulated Bax, SOCS1 and SOCS3. Meanwhile, the ratios of p-JAK2/JAK2 and p-STAT3/STAT3 proteins from synovial tissues were dramatically decreased with the treatment of ELP, whereas no changes of the mRNA and protein expression levels of JAK2 and STAT3 were observed. CONCLUSION These results indicated that ELP reduced the severity of arthritis and joint swelling, suggesting an antirheumatic effect on CIA rats. The possible mechanism is related to inhibiting inflammatory response and inducing apoptosis in synovial tissues by regulating JAK2/STAT3 signaling pathway. However, further in vivo and in vitro investigations are still needed to clarify the underlying mechanism of ELP in treating RA.
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Affiliation(s)
- Chuan Liu
- School of Ethnic Medicine, Chengdu University of Traditional Chinese Medicine, Chengdu, 611137, China; Ethnic Medicine Academic Heritage Innovation Research Center, Chengdu University of Traditional Chinese Medicine, Chengdu, 611137, China
| | - Qian Zhao
- School of Ethnic Medicine, Chengdu University of Traditional Chinese Medicine, Chengdu, 611137, China; Ethnic Medicine Academic Heritage Innovation Research Center, Chengdu University of Traditional Chinese Medicine, Chengdu, 611137, China
| | - Lu Zhong
- School of Ethnic Medicine, Chengdu University of Traditional Chinese Medicine, Chengdu, 611137, China; Ethnic Medicine Academic Heritage Innovation Research Center, Chengdu University of Traditional Chinese Medicine, Chengdu, 611137, China
| | - Qiuyue Li
- School of Ethnic Medicine, Chengdu University of Traditional Chinese Medicine, Chengdu, 611137, China; Ethnic Medicine Academic Heritage Innovation Research Center, Chengdu University of Traditional Chinese Medicine, Chengdu, 611137, China
| | - Rui Li
- College of Pharmacy, Chengdu University of Traditional Chinese Medicine, Chengdu, 611137, China
| | - Shuang Li
- College of Pharmacy, Chengdu University of Traditional Chinese Medicine, Chengdu, 611137, China
| | - Yangxin Li
- College of Pharmacy, Chengdu University of Traditional Chinese Medicine, Chengdu, 611137, China
| | - Ning Li
- School of Ethnic Medicine, Chengdu University of Traditional Chinese Medicine, Chengdu, 611137, China; Ethnic Medicine Academic Heritage Innovation Research Center, Chengdu University of Traditional Chinese Medicine, Chengdu, 611137, China
| | - Jinsong Su
- School of Ethnic Medicine, Chengdu University of Traditional Chinese Medicine, Chengdu, 611137, China; Ethnic Medicine Academic Heritage Innovation Research Center, Chengdu University of Traditional Chinese Medicine, Chengdu, 611137, China
| | - Wüntrang Dhondrup
- School of Ethnic Medicine, Chengdu University of Traditional Chinese Medicine, Chengdu, 611137, China; Ethnic Medicine Academic Heritage Innovation Research Center, Chengdu University of Traditional Chinese Medicine, Chengdu, 611137, China
| | - Xianli Meng
- Innovative Institute of Chinese Medicine and Pharmacy, Chengdu University of Traditional Chinese Medicine, Chengdu, 611137, China
| | - Yi Zhang
- School of Ethnic Medicine, Chengdu University of Traditional Chinese Medicine, Chengdu, 611137, China; Ethnic Medicine Academic Heritage Innovation Research Center, Chengdu University of Traditional Chinese Medicine, Chengdu, 611137, China; NMPA Key Laboratory for Quality Evaluation of Traditional Chinese Medicine (Traditional Chinese Patent Medicine), Chengdu University of Traditional Chinese Medicine, Chengdu, 611137, China.
| | - Ya Tu
- School of Ethnic Medicine, Chengdu University of Traditional Chinese Medicine, Chengdu, 611137, China; Development Research Center of Traditional Chinese Medicine, China Academy of Traditional Chinese Medicine, Beijing, 100700, China.
| | - Xiaobo Wang
- Innovative Institute of Chinese Medicine and Pharmacy, Chengdu University of Traditional Chinese Medicine, Chengdu, 611137, China.
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26
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Cunningham CC, Wade S, Floudas A, Orr C, McGarry T, Wade S, Cregan S, Fearon U, Veale DJ. Serum miRNA Signature in Rheumatoid Arthritis and "At-Risk Individuals". Front Immunol 2021; 12:633201. [PMID: 33746971 PMCID: PMC7966707 DOI: 10.3389/fimmu.2021.633201] [Citation(s) in RCA: 39] [Impact Index Per Article: 13.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/24/2020] [Accepted: 01/11/2021] [Indexed: 12/15/2022] Open
Abstract
Background MicroRNAs (miRNAs) are small non-coding RNAs which have been implicated as potential biomarkers or therapeutic targets in autoimmune diseases. This study examines circulatory miRNAs in RA patients and further investigates if a serum miRNA signature precedes clinical manifestations of disease in arthralgia or “at-risk individuals”. Methods Serum was collected from HC subjects (N = 20), RA patients (N = 50), and arthralgia subjects (N = 10), in addition to a subgroup of the RA patients post-methotrexate (MTX) (N = 18). The FirePlex miRNA Immunology-V2 panel was selected for multiplex analysis of 68 miRNAs in each sample. DNA intelligent analysis (DIANA)-mirPath and Ingenuity Pathway Analysis (IPA) software were used to predict pathways targeted by the dysregulated miRNAs. Results 8 miRNA (miR-126-3p, let-7d-5p, miR-431-3p, miR-221-3p, miR-24-3p, miR-130a-3p, miR-339-5p, let-7i-5p) were significantly elevated in RA serum compared to HC (all p < 0.01) and 1 miRNA (miR-17-5p) was significantly lower in RA (p < 0.01). High specificity and sensitivity were determined by receiver operating characteristic (ROC) curve analysis. Both miR-339-5p and let-7i-5p were significantly reduced post-MTX (both p < 0.01). MiR-126-3p, let-7d-5p, miR-431-3p, miR-221-3p, miR-24-3p, miR-130a-3p were also significantly elevated in subjects “at risk” of developing RA (all p < 0.05) compared to HC. IPA analysis of this miRNA signature identified downstream targets including key transcription factors NF-κB, STAT-1, STAT-3, cytokines IL-1β, TNF-α, and matrix-metalloproteases all importantly associated with RA pathogenesis. Conclusion This study identified six miRNAs that are altered in both RA and “at-risk individuals,” which potentially regulate key downstream pathways involved in regulating inflammation. These may have potential as predictive signature for disease onset and early progression.
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Affiliation(s)
- Clare C Cunningham
- Molecular Rheumatology, School of Medicine, Trinity College Dublin, Dublin, Ireland.,EUropean League Against Rheumatism (EULAR) Centre of Excellence, Centre for Arthritis & Rheumatic Diseases, University College Dublin, Dublin, Ireland
| | - Sarah Wade
- Molecular Rheumatology, School of Medicine, Trinity College Dublin, Dublin, Ireland.,EUropean League Against Rheumatism (EULAR) Centre of Excellence, Centre for Arthritis & Rheumatic Diseases, University College Dublin, Dublin, Ireland
| | - Achilleas Floudas
- Molecular Rheumatology, School of Medicine, Trinity College Dublin, Dublin, Ireland.,EUropean League Against Rheumatism (EULAR) Centre of Excellence, Centre for Arthritis & Rheumatic Diseases, University College Dublin, Dublin, Ireland
| | - Carl Orr
- EUropean League Against Rheumatism (EULAR) Centre of Excellence, Centre for Arthritis & Rheumatic Diseases, University College Dublin, Dublin, Ireland
| | - Trudy McGarry
- Molecular Rheumatology, School of Medicine, Trinity College Dublin, Dublin, Ireland.,EUropean League Against Rheumatism (EULAR) Centre of Excellence, Centre for Arthritis & Rheumatic Diseases, University College Dublin, Dublin, Ireland
| | - Siobhan Wade
- Molecular Rheumatology, School of Medicine, Trinity College Dublin, Dublin, Ireland.,EUropean League Against Rheumatism (EULAR) Centre of Excellence, Centre for Arthritis & Rheumatic Diseases, University College Dublin, Dublin, Ireland
| | - Sian Cregan
- EUropean League Against Rheumatism (EULAR) Centre of Excellence, Centre for Arthritis & Rheumatic Diseases, University College Dublin, Dublin, Ireland
| | - Ursula Fearon
- Molecular Rheumatology, School of Medicine, Trinity College Dublin, Dublin, Ireland.,EUropean League Against Rheumatism (EULAR) Centre of Excellence, Centre for Arthritis & Rheumatic Diseases, University College Dublin, Dublin, Ireland
| | - Douglas J Veale
- EUropean League Against Rheumatism (EULAR) Centre of Excellence, Centre for Arthritis & Rheumatic Diseases, University College Dublin, Dublin, Ireland
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Cassotta M, Forbes-Hernandez TY, Cianciosi D, Elexpuru Zabaleta M, Sumalla Cano S, Dominguez I, Bullon B, Regolo L, Alvarez-Suarez JM, Giampieri F, Battino M. Nutrition and Rheumatoid Arthritis in the 'Omics' Era. Nutrients 2021; 13:763. [PMID: 33652915 PMCID: PMC7996781 DOI: 10.3390/nu13030763] [Citation(s) in RCA: 7] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/07/2021] [Revised: 02/16/2021] [Accepted: 02/24/2021] [Indexed: 02/07/2023] Open
Abstract
Modern high-throughput 'omics' science tools (including genomics, transcriptomics, proteomics, metabolomics and microbiomics) are currently being applied to nutritional sciences to unravel the fundamental processes of health effects ascribed to particular nutrients in humans and to contribute to more precise nutritional advice. Diet and food components are key environmental factors that interact with the genome, transcriptome, proteome, metabolome and the microbiota, and this life-long interplay defines health and diseases state of the individual. Rheumatoid arthritis (RA) is a chronic autoimmune disease featured by a systemic immune-inflammatory response, in genetically susceptible individuals exposed to environmental triggers, including diet. In recent years increasing evidences suggested that nutritional factors and gut microbiome have a central role in RA risk and progression. The aim of this review is to summarize the main and most recent applications of 'omics' technologies in human nutrition and in RA research, examining the possible influences of some nutrients and nutritional patterns on RA pathogenesis, following a nutrigenomics approach. The opportunities and challenges of novel 'omics technologies' in the exploration of new avenues in RA and nutritional research to prevent and manage RA will be also discussed.
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Affiliation(s)
- Manuela Cassotta
- Research Group on Foods, Nutritional Biochemistry and Health, Universidad Europea del Atlántico, 39011 Santander, Spain; (M.C.); (M.E.Z.); (S.S.C.); (I.D.)
| | - Tamara Y. Forbes-Hernandez
- Nutrition and Food Science Group, Department of Analytical and Food Chemistry, CITACA, CACTI, University of Vigo, 36310 Vigo, Spain;
| | - Danila Cianciosi
- Department of Clinical Sciences, Faculty of Medicine, Polytechnic University of Marche, 60131 Ancona, Italy; (D.C.); (L.R.)
| | - Maria Elexpuru Zabaleta
- Research Group on Foods, Nutritional Biochemistry and Health, Universidad Europea del Atlántico, 39011 Santander, Spain; (M.C.); (M.E.Z.); (S.S.C.); (I.D.)
| | - Sandra Sumalla Cano
- Research Group on Foods, Nutritional Biochemistry and Health, Universidad Europea del Atlántico, 39011 Santander, Spain; (M.C.); (M.E.Z.); (S.S.C.); (I.D.)
| | - Irma Dominguez
- Research Group on Foods, Nutritional Biochemistry and Health, Universidad Europea del Atlántico, 39011 Santander, Spain; (M.C.); (M.E.Z.); (S.S.C.); (I.D.)
| | - Beatriz Bullon
- Department of Periodontology, Dental School, University of Sevilla, 41004 Sevilla, Spain;
| | - Lucia Regolo
- Department of Clinical Sciences, Faculty of Medicine, Polytechnic University of Marche, 60131 Ancona, Italy; (D.C.); (L.R.)
| | - Josè Miguel Alvarez-Suarez
- AgroScience & Food Research Group, Universidad de Las Américas, Quito 170125, Ecuador;
- King Fahd Medical Research Center, King Abdulaziz University, Jedda 21589, Saudi Arabia
| | - Francesca Giampieri
- Department of Clinical Sciences, Faculty of Medicine, Polytechnic University of Marche, 60131 Ancona, Italy; (D.C.); (L.R.)
- Department of Biochemistry, Faculty of Sciences, King Abdulaziz University, Jeddah 21589, Saudi Arabia
| | - Maurizio Battino
- Department of Clinical Sciences, Faculty of Medicine, Polytechnic University of Marche, 60131 Ancona, Italy; (D.C.); (L.R.)
- International Research Center for Food Nutrition and Safety, Jiangsu University, Zhenjiang 212013, China
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Stypińska B, Lewandowska A, Felis-Giemza A, Olesińska M, Paradowska-Gorycka A. Association study between immune-related miRNAs and mixed connective tissue disease. Arthritis Res Ther 2021; 23:19. [PMID: 33430976 PMCID: PMC7802256 DOI: 10.1186/s13075-020-02403-9] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/23/2020] [Accepted: 12/22/2020] [Indexed: 12/15/2022] Open
Abstract
Background Mixed connective tissue disease (MCTD) is a rare condition that is distinguished by the presence of specific U1-RNP antibodies. Information about its etiopathology and diagnostics is still unclear. miRNAs such as miR-146, miR-155, and miR-143 emerged as key regulators of the immune system, known to be involved in the development of autoimmune diseases and cancers. We performed an association study between immune-related miRNAs and MCTD severity and susceptibility. Methods A total of 169 MCTD patients and 575 healthy subjects were recruited to the case–control study. The miRNA polymorphisms were genotyped using TaqMan SNP genotyping assay. TNF-α, IL-6, and IFN-γ levels in serum were determined using ELISA. qRT-PCR of TRAF6, IRAK1, and microRNAs was performed using Taqman miRNA assays and TaqMan Gene Expression Assays. Results miR-146a rs2910164 G allele and GG genotype as well as miR-143 rs713147 A allele were more frequent in healthy subjects than in MCTD patients. miR-146a rs2910164 CC genotype and miR-143 T-rs353299*T-rs353291*T-rs713147*G-rs353298 and C-rs353299*C-rs353291*T-rs713147*A-rs353298 haplotypes were associated with MCTD susceptibility. miR-146a rs2910164 C/T was associated with scleroderma and lymphadenopathy. miR-143 rs353299 C/T was associated with swollen fingers or hands, the presence of enlarged lymph nodes, and pericarditis/pleuritis. miR-143 rs353298 A/G was associated with the occurrence of pericarditis/pleuritis and scleroderma. miR-143 rs353291 T/C showed association with pericarditis/pleuritis. The serum TNF-α, IFN-γ, and IL-6 levels were significantly higher in MCTD patients compared to healthy subjects. miR-143 SNPs were associated with higher proinflammatory cytokine concentration in serum only in healthy controls. IRAK1 and TRAF6 expression were higher in the MCTD patients compared to controls. Conclusions The results of our case–control study indicate the possible significance of miR-146a and miR-143/145 in the susceptibility and clinical picture of MCTD. Supplementary Information The online version contains supplementary material available at 10.1186/s13075-020-02403-9.
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Affiliation(s)
- Barbara Stypińska
- Department of Molecular Biology, National Institute of Geriatrics, Rheumatology, and Rehabilitation, Spartańska 1, 02-637, Warsaw, Poland.
| | - Aleksandra Lewandowska
- Department of Connective Tissue Diseases, National Institute of Geriatrics, Rheumatology, and Rehabilitation, Spartanska 1, Warsaw, 02-637, Poland
| | - Anna Felis-Giemza
- Department of Connective Tissue Diseases, National Institute of Geriatrics, Rheumatology, and Rehabilitation, Spartanska 1, Warsaw, 02-637, Poland
| | - Marzena Olesińska
- Department of Connective Tissue Diseases, National Institute of Geriatrics, Rheumatology, and Rehabilitation, Spartanska 1, Warsaw, 02-637, Poland
| | - Agnieszka Paradowska-Gorycka
- Department of Molecular Biology, National Institute of Geriatrics, Rheumatology, and Rehabilitation, Spartańska 1, 02-637, Warsaw, Poland
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Li J, Zhang L, Zheng Y, Shao R, Liang Q, Yu W, Wang H, Zou W, Wang D, Xiang J, Lin A. BAD inactivation exacerbates rheumatoid arthritis pathology by promoting survival of sublining macrophages. eLife 2020; 9:e56309. [PMID: 33270017 PMCID: PMC7714394 DOI: 10.7554/elife.56309] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/24/2020] [Accepted: 11/17/2020] [Indexed: 12/20/2022] Open
Abstract
The resistance of synovial sublining macrophages to apoptosis has a crucial role in joint inflammation and destruction in rheumatoid arthritis (RA). However, the underlying mechanism is incompletely understood. Here we report that inactivation of the pro-apoptotic BCL-2 family protein BAD is essential for survival of synovial sublining macrophage in RA. Genetic disruption of Bad leads to more severe joint inflammation and cartilage and bone damage with reduced apoptosis of synovial sublining macrophages in collagen-induced arthritis (CIA) and TNFα transgenic (TNF-Tg) mouse models. Conversely, Bad3SA/3SA mice, in which BAD can no longer be inactivated by phosphorylation, are protected from collagen-induced arthritis. Mechanistically, phosphorylation-mediated inactivation of BAD specifically protects synovial sublining macrophages from apoptosis in highly inflammatory environment of arthritic joints in CIA and TNF-Tg mice, and in patients with RA, thereby contributing to RA pathology. Our findings put forward a model in which inactivation of BAD confers the apoptosis resistance on synovial sublining macrophages, thereby contributing to the development of arthritis, suggesting that BAD may be a potential therapeutic target for RA.
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Affiliation(s)
- Jie Li
- The State Key Laboratory of Cell Biology, CAS Center for Excellence in Molecular Cell Science, Shanghai Institute of Biochemistry and Cell Biology, Chinese Academy of Sciences; University of Chinese Academy of SciencesShanghaiChina
- School of Life Science and Technology, ShanghaiTech UniversityShanghaiChina
- Ben May Department for Cancer Research, The University of ChicagoChicagoUnited States
| | - Liansheng Zhang
- The State Key Laboratory of Cell Biology, CAS Center for Excellence in Molecular Cell Science, Shanghai Institute of Biochemistry and Cell Biology, Chinese Academy of Sciences; University of Chinese Academy of SciencesShanghaiChina
- Ben May Department for Cancer Research, The University of ChicagoChicagoUnited States
- Institute of Modern Biology, Nanjing UniversityNanjingChina
| | - Yongwei Zheng
- Blood Research Institute, Blood Center of WisconsinMilwaukeeUnited States
| | - Rui Shao
- The State Key Laboratory of Cell Biology, CAS Center for Excellence in Molecular Cell Science, Shanghai Institute of Biochemistry and Cell Biology, Chinese Academy of Sciences; University of Chinese Academy of SciencesShanghaiChina
| | - Qianqian Liang
- Department of Orthopaedics, Longhua Hospital, Shanghai University of Traditional Chinese MedicineShanghaiChina
| | - Weida Yu
- The State Key Laboratory of Cell Biology, CAS Center for Excellence in Molecular Cell Science, Shanghai Institute of Biochemistry and Cell Biology, Chinese Academy of Sciences; University of Chinese Academy of SciencesShanghaiChina
- School of Life Science and Technology, ShanghaiTech UniversityShanghaiChina
| | - Hongyan Wang
- The State Key Laboratory of Cell Biology, CAS Center for Excellence in Molecular Cell Science, Shanghai Institute of Biochemistry and Cell Biology, Chinese Academy of Sciences; University of Chinese Academy of SciencesShanghaiChina
| | - Weiguo Zou
- The State Key Laboratory of Cell Biology, CAS Center for Excellence in Molecular Cell Science, Shanghai Institute of Biochemistry and Cell Biology, Chinese Academy of Sciences; University of Chinese Academy of SciencesShanghaiChina
| | - Demin Wang
- Blood Research Institute, Blood Center of WisconsinMilwaukeeUnited States
| | - Jialing Xiang
- Department of Biology, Illinois Institute of TechnologyChicagoUnited States
| | - Anning Lin
- Ben May Department for Cancer Research, The University of ChicagoChicagoUnited States
- Institute of Modern Biology, Nanjing UniversityNanjingChina
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30
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Wu F, Huang W, Yang Y, Liu F, Chen J, Wang G, Sun Z. miR-155-5p regulates mesenchymal stem cell osteogenesis and proliferation by targeting GSK3B in steroid-associated osteonecrosis. Cell Biol Int 2020; 45:83-91. [PMID: 32991030 DOI: 10.1002/cbin.11470] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/08/2020] [Revised: 09/14/2020] [Accepted: 09/26/2020] [Indexed: 01/31/2023]
Abstract
microRNAs (miRNAs) have recently been recognized as playing an important role in bone-associated diseases. This study investigated whether the reduced miR-155-5p in steroid-associated osteonecrosis of the femoral head (ONFH) attenuated osteogenic differentiation and cell proliferation by targeting GSK3B. Bone marrow was collected from the proximal femurs of patients with steroid-associated ONFH (n = 10) and patients with new femoral neck fracture (n = 10) and mesenchymal stem cells (MSCs) were isolated. The expression profile, the biological function of miR-155-5p, and the interaction between miR-155-5p and GSK3B were investigated by cell viability measurement, western blot, real-time polymerase chain reaction, luciferase reporter assay, and Alizarin Red S (ARS) staining of MSCs. The MSCs that were obtained from the femoral neck fracture group and from the steroid-associated ONFH group were transfected with or without miR-155-5p. We found that, in ONFH samples, the level of mature miR-155-5p was significantly lower than that of control samples. By inhibiting GSK3B, miR-155-5p promoted the nuclear translocation of β-catenin, increased the expression of osteogenesis-related genes, and facilitated the proliferation and differentiation of MSCs. Restoring the expression of GSK3B in MSCs partially reversed the effect of miR-155-5p. These findings suggest that reduced miR-155-5p in steroid-associated ONFH attenuates osteogenic differentiation and cell proliferation by increased levels of GSK3B and inhibition of Wnt signaling.
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Affiliation(s)
- Fei Wu
- Department of Orthopedics, Renmin Hospital, Wuhan University, Wuhan, Hubei, China
| | - Wei Huang
- Department of Orthopedics, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, Hubei, China
| | - Yue Yang
- Department of Orthopedics, Renmin Hospital, Wuhan University, Wuhan, Hubei, China
| | - Feng Liu
- Department of Orthopedics, Renmin Hospital, Wuhan University, Wuhan, Hubei, China
| | - Jin Chen
- Department of Orthopedics, Yiling Hospital, Yichang, Hubei, China
| | - Guangyong Wang
- Department of Orthopedics, Yiling Hospital, Yichang, Hubei, China
| | - Zhibo Sun
- Department of Orthopedics, Renmin Hospital, Wuhan University, Wuhan, Hubei, China
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De la Rosa IA, Perez-Sanchez C, Ruiz-Limon P, Patiño-Trives A, Torres-Granados C, Jimenez-Gomez Y, Del Carmen Abalos-Aguilera M, Cecchi I, Ortega R, Caracuel MA, Calvo-Gutierrez J, Escudero-Contreras A, Collantes-Estevez E, Lopez-Pedrera C, Barbarroja N. Impaired microRNA processing in neutrophils from rheumatoid arthritis patients confers their pathogenic profile. Modulation by biological therapies. Haematologica 2020; 105:2250-2261. [PMID: 33054050 PMCID: PMC7556520 DOI: 10.3324/haematol.2018.205047] [Citation(s) in RCA: 19] [Impact Index Per Article: 4.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/03/2022] Open
Abstract
The aim of this study was to investigate the microRNA (miRNA) expression pattern in neutrophils from rheumatoid arthritis (RA) patients and its contribution to their pathogenic profile and to analyze the effect of specific autoantibodies or inflammatory components in the regulation of miRNA in RA neutrophils and its modulation by biological therapies. Neutrophils were isolated from paired peripheral blood (PB) and synovial fluid samples of 40 patients with RA and from PB of 40 healthy donors. A miRNA array was performed using nCounter technology. Neutrophils from healthy donors were treated in vitrowith antibodies to citrullinated protein antigens isolated from RA patients and tumor necrosis factor-a (TNF-a) or interleukin-6. A number of cytokines and chemokines were analyzed. In vitro treatments of RA-neutrophils with tocilizumab or infliximab were carried out. Transfections with pre-miRNA and DICER downregulation experiments were further performed. RA-neutrophils showed a global downregulation of miRNA and genes involved in their biogenesis, alongside with an upregulation of various potential mRNA targets related to migration and inflammation. Decreased levels of miRNA and DICER correlated with autoimmunity, inflammation and disease activity. Citrullinated protein antigens and TNF-a decreased the expression of numerous miRNA and their biogenesis-related genes, increasing their potential mRNA targets. Infliximab reversed those effects. Transfections with pre-miRNA-223, -126 and -148a specifically modulated genes regulating inflammation, survival and migration whereas DICER depletion influenced the inflammatory profile of neutrophils. Taken together RA-neutrophils exhibited a global low abundance of miRNA induced by autoantibodies and inflammatory markers, which potentially contributed to their pathogenic activation. miRNA biogenesis was significantly impaired in RAneutrophils and further associated with a greater downregulation of miRNA mainly related to migration and inflammation in synovial fluid neutrophils. Finally, anti-TNF-a and anti-interleukin-6 receptor treatments can modulate miRNA levels in the neutrophils, minimizing their inflammatory profile.
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Affiliation(s)
- Ivan Arias De la Rosa
- Rheumatology service, Maimonides Institute for Research in Biomedicine of Cordoba (IMIBIC)/Reina Sofia Hospital/University of Cordoba, Cordoba, Spain
| | - Carlos Perez-Sanchez
- Deparment of Medicine, University of Cambridge, School of Clinical Medicine, Addenbroke's Hospital, Cambridge Institute for Medical Research, Cambridge, UK
| | - Patricia Ruiz-Limon
- Biomedical Research Institute (IBIMA), Service of Endocrinology and Nutrition, Malaga Hospital Complex (Virgen de la Victoria), Malaga, Spain
| | - Alejandra Patiño-Trives
- Rheumatology service, Maimonides Institute for Research in Biomedicine of Cordoba (IMIBIC)/Reina Sofia Hospital/University of Cordoba, Cordoba, Spain
| | - Carmen Torres-Granados
- Rheumatology service, Maimonides Institute for Research in Biomedicine of Cordoba (IMIBIC)/Reina Sofia Hospital/University of Cordoba, Cordoba, Spain
| | - Yolanda Jimenez-Gomez
- Rheumatology service, Maimonides Institute for Research in Biomedicine of Cordoba (IMIBIC)/Reina Sofia Hospital/University of Cordoba, Cordoba, Spain
| | - Maria Del Carmen Abalos-Aguilera
- Rheumatology service, Maimonides Institute for Research in Biomedicine of Cordoba (IMIBIC)/Reina Sofia Hospital/University of Cordoba, Cordoba, Spain
| | - Irene Cecchi
- Department of Clinical and Biological Sciences, Center of Research of Immunopathology and Rare Diseases-Coordinating Center of Piemonte and Valle d'Aosta Network for Rare Diseases, Turin, Italy
| | - Rafaela Ortega
- Rheumatology service, Maimonides Institute for Research in Biomedicine of Cordoba (IMIBIC)/Reina Sofia Hospital/University of Cordoba, Cordoba, Spain
| | - Miguel Angel Caracuel
- Rheumatology service, Maimonides Institute for Research in Biomedicine of Cordoba (IMIBIC)/Reina Sofia Hospital/University of Cordoba, Cordoba, Spain
| | - Jerusalem Calvo-Gutierrez
- Rheumatology service, Maimonides Institute for Research in Biomedicine of Cordoba (IMIBIC)/Reina Sofia Hospital/University of Cordoba, Cordoba, Spain
| | - Alejandro Escudero-Contreras
- Rheumatology service, Maimonides Institute for Research in Biomedicine of Cordoba (IMIBIC)/Reina Sofia Hospital/University of Cordoba, Cordoba, Spain
| | - Eduardo Collantes-Estevez
- Rheumatology service, Maimonides Institute for Research in Biomedicine of Cordoba (IMIBIC)/Reina Sofia Hospital/University of Cordoba, Cordoba, Spain
| | - Chary Lopez-Pedrera
- Rheumatology service, Maimonides Institute for Research in Biomedicine of Cordoba (IMIBIC)/Reina Sofia Hospital/University of Cordoba, Cordoba, Spain
| | - Nuria Barbarroja
- Rheumatology service, Maimonides Institute for Research in Biomedicine of Cordoba (IMIBIC)/Reina Sofia Hospital/University of Cordoba, Cordoba, Spain; CIBER Fisiopatología de la Obesidad y Nutrición (CIBEROBN), Instituto de Salud Carlos III, Madrid, Spain.
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Mortazavi-Jahromi SS, Aslani M, Mirshafiey A. A comprehensive review on miR-146a molecular mechanisms in a wide spectrum of immune and non-immune inflammatory diseases. Immunol Lett 2020; 227:8-27. [PMID: 32810557 DOI: 10.1016/j.imlet.2020.07.008] [Citation(s) in RCA: 30] [Impact Index Per Article: 7.5] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/02/2020] [Revised: 07/10/2020] [Accepted: 07/21/2020] [Indexed: 12/12/2022]
Abstract
MicroRNAs (miRNAs) are single-strand endogenous and non-coding RNA molecules with a length of about 22 nucleotides, which regulate genes expression, through modulating the translation and stability of their target mRNAs. miR-146a is one of the most studied miRNAs, due to its central role in immune system homeostasis and control of the innate and acquired immune responses. Accordingly, abnormal expression or function of miR-146a results in the incidence and progression of immune and non-immune inflammatory diseases. Its deregulated expression pattern and inefficient function have been reported in a wide spectrum of these illnesses. Based on the existing evidence, this miRNA qualifies as an ideal biomarker for diagnosis, prognosis, and activity evaluation of immune and non-immune inflammatory disorders. Moreover, much attention has recently been paid to therapeutic potential of miR-146a and several researchers have assessed the effects of different drugs on expression and function of this miRNA at diverse experimental, animal, besides human levels, reporting motivating results in the treatment of the diseases. Here, in this comprehensive review, we provide an overview of miR-146a role in the pathogenesis and progression of several immune and non-immune inflammatory diseases such as Rheumatoid arthritis, Systemic lupus erythematosus, Inflammatory bowel disease, Multiple sclerosis, Psoriasis, Graves' disease, Atherosclerosis, Hepatitis, Chronic obstructive pulmonary disease, etc., discuss about its eligibility for being a desirable biomarker for these disorders, and also highlight its therapeutic potential. Understanding these mechanisms underlies the selecting and designing the proper therapeutic targets and medications, which eventually facilitate the treatment process.
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Affiliation(s)
| | - Mona Aslani
- Department of Immunology, School of Public Health, Tehran University of Medical Sciences, Tehran, Iran
| | - Abbas Mirshafiey
- Department of Immunology, School of Public Health, Tehran University of Medical Sciences, Tehran, Iran.
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Ren B, Liu J, Wu K, Zhang J, Lv Y, Wang S, Liu L, Liu D. TNF-α-elicited miR-29b potentiates resistance to apoptosis in peripheral blood monocytes from patients with rheumatoid arthritis. Apoptosis 2020; 24:892-904. [PMID: 31473844 DOI: 10.1007/s10495-019-01567-3] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/06/2023]
Abstract
CD14-positive monocytes from patients with rheumatoid arthritis (RA) are more resistant to apoptosis, which promotes their persistence at the inflammatory site and thereby contributes crucially to immunopathology. We sought to elucidate one mechanism underlying this unique pathogenesis: resistance to apoptosis and the potential involvement of miR-29b in this process. CD14-positive peripheral blood monocytes (PBMs) from RA patients were observed to be resistant to spontaneous apoptosis compared to PBMs from healthy volunteers. Intriguingly, expression of miR-29b was significantly upregulated in PBMs from RA patients than those from healthy volunteers, and this upregulation was correlated with RA disease activity. Functionally, forced expression of the exogenous miR-29b in CD14-positive Ctrl PBMs conferred resistance to spontaneous apoptosis and Fas-induced death, thereafter enhancing the production of major proinflammatory cytokines in there cells. Following identification of the potential miR-29b target transcripts using bioinformatic algorithms, we showed that miR-29b could directly bind to the 3'-UTR of the high-mobility group box-containing protein 1 (HBP1) and inhibited its transcription in PBMs. Importantly, stable expression of the exogenous HBP1 in differentiated THP-1 monocytes effectively abolished miR-29b-elicited resistance to Fas-induced apoptosis. Finally, among patients with RA and good clinical responses to immunotherapy, expression levels of miR-29b were significantly compromised in those treated with infliximab (a TNF-α inhibitor) but not in those treated with tocilizumab (a humanized mAb against the IL-6 receptor), pointing to a potential association between miR-29b activation and TNF-α induction. The available data collectively suggest that TNF-α-elicited miR-29b potentiates resistance to apoptosis in PBMs from RA patients via inhibition of HBP1 signaling, and testing patients for miR-29b/HBP1 expression ratios may provide more accurate prognostic information and could influence the recommended course of immunotherapy.
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Affiliation(s)
- Baodi Ren
- Department of Rheumatology and Immunology, Xi'an Institute of Rheumatology, Xi'an No.5 Hospital, No. 112 XiGuanZhengJie, Lian Hu District, Xi'an, 710082, Shaanxi Province, China.,Department of Rheumatology and Immunology, Shaanxi Hospital of Integrated Traditional Chinese and Western Medicine, Affiliated Hospital of Integrated Traditional Chinese and Western Medicine, Shaanxi University of Chinese Medicine, No. 112 XiGuanZhengJie, Lian Hu District, Xi'an, 710082, Shaanxi Province, China
| | - Jiayu Liu
- Department of Rheumatology and Immunology, Xi'an Institute of Rheumatology, Xi'an No.5 Hospital, No. 112 XiGuanZhengJie, Lian Hu District, Xi'an, 710082, Shaanxi Province, China.,Core Research Laboratory, The Second Affiliated Hospital, School of Medicine, Xi'an Jiaotong University, No.157 XiWu Road, Xincheng District, Xi'an, 710004, China
| | - Kunyi Wu
- Core Research Laboratory, The Second Affiliated Hospital, School of Medicine, Xi'an Jiaotong University, No.157 XiWu Road, Xincheng District, Xi'an, 710004, China
| | - Junli Zhang
- Department of Rheumatology and Immunology, Xi'an Institute of Rheumatology, Xi'an No.5 Hospital, No. 112 XiGuanZhengJie, Lian Hu District, Xi'an, 710082, Shaanxi Province, China.,Department of Rheumatology and Immunology, Shaanxi Hospital of Integrated Traditional Chinese and Western Medicine, Affiliated Hospital of Integrated Traditional Chinese and Western Medicine, Shaanxi University of Chinese Medicine, No. 112 XiGuanZhengJie, Lian Hu District, Xi'an, 710082, Shaanxi Province, China
| | - Yanyan Lv
- Department of Rheumatology and Immunology, Xi'an Institute of Rheumatology, Xi'an No.5 Hospital, No. 112 XiGuanZhengJie, Lian Hu District, Xi'an, 710082, Shaanxi Province, China
| | - Suzhi Wang
- Department of Rheumatology and Immunology, Xi'an Institute of Rheumatology, Xi'an No.5 Hospital, No. 112 XiGuanZhengJie, Lian Hu District, Xi'an, 710082, Shaanxi Province, China
| | - Liping Liu
- Department of Rheumatology and Immunology, Xi'an Institute of Rheumatology, Xi'an No.5 Hospital, No. 112 XiGuanZhengJie, Lian Hu District, Xi'an, 710082, Shaanxi Province, China.,Department of Rheumatology and Immunology, Shaanxi Hospital of Integrated Traditional Chinese and Western Medicine, Affiliated Hospital of Integrated Traditional Chinese and Western Medicine, Shaanxi University of Chinese Medicine, No. 112 XiGuanZhengJie, Lian Hu District, Xi'an, 710082, Shaanxi Province, China
| | - Dan Liu
- Department of Rheumatology and Immunology, Xi'an Institute of Rheumatology, Xi'an No.5 Hospital, No. 112 XiGuanZhengJie, Lian Hu District, Xi'an, 710082, Shaanxi Province, China. .,Department of Rheumatology and Immunology, Shaanxi Hospital of Integrated Traditional Chinese and Western Medicine, Affiliated Hospital of Integrated Traditional Chinese and Western Medicine, Shaanxi University of Chinese Medicine, No. 112 XiGuanZhengJie, Lian Hu District, Xi'an, 710082, Shaanxi Province, China. .,Core Research Laboratory, The Second Affiliated Hospital, School of Medicine, Xi'an Jiaotong University, No.157 XiWu Road, Xincheng District, Xi'an, 710004, China.
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Liu B, Ren B. MiR‐1193 represses the proliferation and induces the apoptosis of interleukin‐1β‐treated fibroblast‐like synoviocytes via targeting JAK3. Int J Rheum Dis 2020; 23:1066-1075. [PMID: 32597556 DOI: 10.1111/1756-185x.13901] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/18/2020] [Revised: 04/26/2020] [Accepted: 06/01/2020] [Indexed: 11/28/2022]
Affiliation(s)
- Bo Liu
- Department of Orthopedics Shandong Provincial Western Hospital Jinan China
| | - Bingqiang Ren
- Department of Orthopedics Shandong Provincial Western Hospital Jinan China
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Kolarz B, Ciesla M, Dryglewska M, Rosenthal AK, Majdan M. Hypermethylation of the miR-155 gene in the whole blood and decreased plasma level of miR-155 in rheumatoid arthritis. PLoS One 2020; 15:e0233897. [PMID: 32484820 PMCID: PMC7266293 DOI: 10.1371/journal.pone.0233897] [Citation(s) in RCA: 12] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/19/2020] [Accepted: 05/14/2020] [Indexed: 11/18/2022] Open
Abstract
Objectives miR-155 plays a critical role in the inflammatory process and in diseases such as rheumatoid arthritis (RA). miR155 gene expression is regulated by its gene promoter region CpG island methylation. Previous studies have shown inconsistent changes in circulating levels of mir-155 in RA patients. The aims of our study were to evaluate miR-155 levels in plasma, to investigate its gene methylation level, and to correlate these levels with RA disease activity. Methods One hundred and twenty-five patients with RA, and 30 age and sex-matched healthy controls (HC) were enrolled. Whole blood and plasma samples were collected and stored at -80°C until analysis. DAS28 score at the time of the blood draw was used to assess RA disease activity. The methylation status of miR-155 host gene was determined in whole blood by quantitative real-time methylation-specific PCR (qPCR). miR-155 expression levels were evaluated by quantitative reverse transcription PCR. Results We found significantly lower circulating miR155 levels in RA patients compared to HC. Interestingly, the miR-155 gene methylation level was significantly higher in RA patients than in HC. miR-155 levels did not correlate with ACPA or RF positivity or disease activity. Conclusions We show here higher miR-155 methylation in whole blood and lower plasma miR155 expression in RA patients in comparison to HC. The evaluation of miR-155 host gene methylation status or miR155 plasma level might be a potentially useful marker in RA determination.
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Affiliation(s)
- Bogdan Kolarz
- College of Medical Sciences, University of Rzeszow, Rzeszow, Poland
- * E-mail:
| | - Marek Ciesla
- College of Medical Sciences, University of Rzeszow, Rzeszow, Poland
| | - Magdalena Dryglewska
- Department of Rheumatology and Connective Tissue Disease, Medical University of Lublin, Lublin, Poland
| | - Ann K. Rosenthal
- Division of Rheumatology, Department of Medicine, Medical College of Wisconsin, Wauwatosa, WI, United States of America
| | - Maria Majdan
- Department of Rheumatology and Connective Tissue Disease, Medical University of Lublin, Lublin, Poland
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Osteoclast signaling-targeting miR-146a-3p and miR-155-5p are downregulated in Paget's disease of bone. Biochim Biophys Acta Mol Basis Dis 2020; 1866:165852. [PMID: 32485219 DOI: 10.1016/j.bbadis.2020.165852] [Citation(s) in RCA: 11] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/30/2020] [Revised: 05/25/2020] [Accepted: 05/27/2020] [Indexed: 12/11/2022]
Abstract
MicroRNA (miRs) are small, non-coding RNA that post-transcriptionally regulate DNA expression. We hypothesized that specific miR profiles may be a feature of overactive osteoclasts in Paget's disease of bone (PDB), a disorder characterized by an increased and disorganized bone remodeling that typically begins with excessive bone resorption. We compared the expression profile of 13 miRs in human osteoclasts differentiated in vitro from peripheral blood mononuclear cells (PBMCs) of patients with PDB (n = 10) or age- and sex- matched healthy subjects (n = 10). We selected 13 miRs for testing, on the basis of their previously reported roles either in human osteoclast differentiation, in bone diseases, or in osteoclast important signaling pathways. From those expression results, 3 miRNAs were further selected for in-vitro studies aiming at modulating miR expression in human cord blood monocyte derived osteoclasts: 2 miRs (miR-146a-3p and miR-155-5p) whose expression was significantly reduced in pagetic osteoclasts, as well as miRNA-133a-3p, stable in PDB relative to controls, but with known regulatory importance within osteoclasts. We demonstrated a positive (miR-133a-3p) or negative (miR-155-5p, miR-146a-3p) impact of those miRs on the formation of osteoclasts and/or their bone resorption capacity in this human model. Signaling pathways were significantly affected, including p38 MAP-kinase (miR-133a-3p), RANKL-induced TRAF6/NFκB signaling (miR-146a-3p), and MITF expression (miR-155-5p). Osteoclast miRNA profiles might have an important value to yield significant new insights into the osteoclast phenotype in PDB and in other bone diseases with hyperactive osteoclasts.
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Zhang L, Liu Y, Chen XG, Zhang Y, Chen J, Hao ZY, Fan S, Zhang LG, Du HX, Liang CZ. MicroRNA expression profile in chronic nonbacterial prostatitis revealed by next-generation small RNA sequencing. Asian J Androl 2020; 21:351-359. [PMID: 30604696 PMCID: PMC6628738 DOI: 10.4103/aja.aja_97_18] [Citation(s) in RCA: 14] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Key Words] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/06/2023] Open
Abstract
MicroRNAs (miRNAs) are considered to be involved in the pathogenic initiation and progression of chronic nonbacterial prostatitis (CNP); however, the comprehensive expression profile of dysregulated miRNAs, relevant signaling pathways, and core machineries in CNP have not been fully elucidated. In the current research, CNP rat models were established through the intraprostatic injection of carrageenan into the prostate. Then, next-generation sequencing was performed to explore the miRNA expression profile in CNP. Gene Ontology (GO) and Kyoto Encyclopedia of Genes and Genomes (KEGG) bioinformatical analyses were conducted to reveal the enriched biological processes, molecular functions, and cellular components and signaling pathways. As a result, 1224, 1039, and 1029 known miRNAs were annotated in prostate tissues from the blank control (BC), normal saline injection (NS), and carrageenan injection (CAR) groups (n = 3 for each group), respectively. Among them, 84 miRNAs (CAR vs BC) and 70 miRNAs (CAR vs NS) with significantly different expression levels were identified. Compared with previously reported miRNAs with altered expression in various inflammatory diseases, the majority of deregulated miRNAs in CNP, such as miR-146b-5p, miR-155-5p, miR-150-5p, and miR-139-5p, showed similar expression patterns. Moreover, bioinformatics analyses have enriched mitogen-activated protein kinase (MAPK), cyclic adenosine monophosphate (cAMP), endocytosis, mammalian target of rapamycin (mTOR), and forkhead box O (FoxO) signaling pathways. These pathways were all involved in immune response, which indicates the critical regulatory role of the immune system in CNP initiation and progression. Our investigation has presented a global view of the differentially expressed miRNAs and potential regulatory networks containing their target genes, which may be helpful for identifying the novel mechanisms of miRNAs in immune regulation and effective target-specific theragnosis for CNP.
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Affiliation(s)
- Li Zhang
- Department of Urology, The First Affiliated Hospital of Anhui Medical University, Hefei 230022, China.,Institute of Urology, Anhui Medical University, Hefei 230022, China.,Anhui Province Key Laboratory of Genitourinary Diseases, Anhui Medical University, Hefei 230022, China
| | - Yi Liu
- Department of Urology, The First Affiliated Hospital of Anhui Medical University, Hefei 230022, China.,Institute of Urology, Anhui Medical University, Hefei 230022, China.,Anhui Province Key Laboratory of Genitourinary Diseases, Anhui Medical University, Hefei 230022, China
| | - Xian-Guo Chen
- Department of Urology, The First Affiliated Hospital of Anhui Medical University, Hefei 230022, China.,Institute of Urology, Anhui Medical University, Hefei 230022, China.,Anhui Province Key Laboratory of Genitourinary Diseases, Anhui Medical University, Hefei 230022, China
| | - Yong Zhang
- Department of Urology, The First Affiliated Hospital of Anhui Medical University, Hefei 230022, China
| | - Jing Chen
- Department of Urology, The First Affiliated Hospital of Anhui Medical University, Hefei 230022, China
| | - Zong-Yao Hao
- Department of Urology, The First Affiliated Hospital of Anhui Medical University, Hefei 230022, China.,Institute of Urology, Anhui Medical University, Hefei 230022, China.,Anhui Province Key Laboratory of Genitourinary Diseases, Anhui Medical University, Hefei 230022, China
| | - Song Fan
- Department of Urology, The First Affiliated Hospital of Anhui Medical University, Hefei 230022, China.,Institute of Urology, Anhui Medical University, Hefei 230022, China.,Anhui Province Key Laboratory of Genitourinary Diseases, Anhui Medical University, Hefei 230022, China
| | - Li-Gang Zhang
- Department of Urology, The First Affiliated Hospital of Anhui Medical University, Hefei 230022, China
| | - He-Xi Du
- Department of Urology, The First Affiliated Hospital of Anhui Medical University, Hefei 230022, China
| | - Chao-Zhao Liang
- Department of Urology, The First Affiliated Hospital of Anhui Medical University, Hefei 230022, China.,Institute of Urology, Anhui Medical University, Hefei 230022, China.,Anhui Province Key Laboratory of Genitourinary Diseases, Anhui Medical University, Hefei 230022, China
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Zhao M, He H, Yin J. CARD6 protects against collagen-induced rheumatoid arthritis in mice through attenuating the inflammatory response and joint destruction via suppression of TNFR1/TRAF2 signaling. Biochem Biophys Res Commun 2020; 526:1092-1099. [PMID: 32317187 DOI: 10.1016/j.bbrc.2020.04.006] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/12/2020] [Accepted: 04/03/2020] [Indexed: 10/24/2022]
Abstract
Rheumatoid arthritis (RA) is one of the most common autoimmune diseases, characterized by chronic inflammation and bone destruction. However, the pathogenesis that contributes to RA is still unclear. Caspase recruitment domain protein 6 (CARD6) is a typical member of CARD domain-containing proteins, and shows regulatory effects on nuclear factor-κB (NF-κB) activation to meditate inflammation. In the present study, the role of CARD6 in the progression of inflammatory bone erosion in RA was investigated using the in vitro and in vivo experiments. In vitro results indicated that CARD expression was markedly down-regulated in the activated macrophages induced by lipopolysaccharide (LPS), accompanied with time-dependently increased expression of pro-inflammatory cytokines. Notably, over-expressing CARD6 in macrophages by adenoviral (Ad) vector significantly abolished the expression levels of pro-inflammatory cytokines and chemokines. We found that CARD6 over-expression-suppressed inflammatory response was associated with the blockage of tumor necrosis factor receptor-1/tumor necrosis factor receptor-associated factor-2 (TNFR1/TRAF2) signaling, inhibiting NF-κB pathway subsequently. In addition, LPS-induced apoptosis in macrophages was also blunted due to AdCARD6 infection. CARD6-alleviated inflammatory response and apoptotic cell death were further confirmed in TNF-α-stimulated macrophages. Then, the in vivo studies showed that promoting CARD6 expression using adeno-associated virus (AAV) effectively attenuated the severity of arthritis, improved histopathological damage, and hindered the bone erosion in collagen-induced arthritis (CIA) mice. Moreover, pro-inflammatory factors in the joint samples were also markedly decreased in CIA mice with CARD6 over-expression, which was related to the down-regulation of TNFR1/TRAF2/NF-κB signaling pathway. Meanwhile, apoptosis in joint of CIA mice was also ameliorated by AAV-CARD6, as evidenced by the obviously reduced expression of cleaved Caspase-3. These results clearly suggested that CARD6 might have anti-inflammatory and anti-apoptotic effects during RA progression, and thus could be defined as a novel therapeutic target for RA treatment in future.
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Affiliation(s)
- Min Zhao
- Luoyang Orthopedic Hospital of Henan Province, Orthopedic Hospital of Henan Province, Luoyang, 471002, China
| | - Hongying He
- Department of Orthopedics, The Seventh Medical Center of PLA General Hospital, Beijing, 100700, China
| | - Jianbao Yin
- Department of Rheumatology, Affiliated Tengzhou Central People's Hospital of Jining Medical University, Jining Medical University, Tengzhou City, Shandong Province, Tengzhou, 277500, China.
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Yu Z, Reynaud F, Lorscheider M, Tsapis N, Fattal E. Nanomedicines for the delivery of glucocorticoids and nucleic acids as potential alternatives in the treatment of rheumatoid arthritis. WILEY INTERDISCIPLINARY REVIEWS-NANOMEDICINE AND NANOBIOTECHNOLOGY 2020; 12:e1630. [PMID: 32202079 DOI: 10.1002/wnan.1630] [Citation(s) in RCA: 12] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/08/2019] [Revised: 03/01/2020] [Accepted: 03/03/2020] [Indexed: 12/18/2022]
Abstract
Rheumatoid arthritis (RA) is a chronic autoimmune disease that affects 0.5-1% of the world population. Current treatments include on one hand non-steroidal anti-inflammatory drugs and glucocorticoids (GCs) for treating pain and on the other hand disease-modifying anti-rheumatic drugs such as methotrexate, Janus kinase inhibitors or biologics such as antibodies targeting mainly cytokine expression. More recently, nucleic acids such as siRNA, miRNA, or anti-miRNA have shown strong potentialities for the treatment of RA. This review discusses the way nanomedicines can target GCs and nucleic acids to inflammatory sites, increase drug penetration within inflammatory cells, achieve better subcellular distribution and finally protect drugs against degradation. For GCs such a targeting effect would allow the treatment to be more effective at lower doses and to reduce the administration frequency as well as to induce much fewer side-effects. In the case of nucleic acids, particularly siRNA, knocking down proteins involved in RA, could importantly be facilitated using nanomedicines. Finally, the combination of both siRNA and GCs in the same carrier allowed for the same cell to target both the GCs receptor as well as any other signaling pathway involved in RA. Nanomedicines appear to be very promising for the delivery of conventional and novel drugs in RA therapeutics. This article is categorized under: Therapeutic Approaches and Drug Discovery > Emerging Technologies Biology-Inspired Nanomaterials > Nucleic Acid-Based Structures.
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Affiliation(s)
- Zhibo Yu
- Institut Galien Paris-Sud, CNRS, Université Paris-Sud, Université Paris-Saclay, Châtenay-Malabry, France
| | - Franceline Reynaud
- Institut Galien Paris-Sud, CNRS, Université Paris-Sud, Université Paris-Saclay, Châtenay-Malabry, France.,School of Pharmacy, Federal University of Rio de Janeiro, Rio de Janeiro, Brazil
| | - Mathilde Lorscheider
- Institut Galien Paris-Sud, CNRS, Université Paris-Sud, Université Paris-Saclay, Châtenay-Malabry, France
| | - Nicolas Tsapis
- Institut Galien Paris-Sud, CNRS, Université Paris-Sud, Université Paris-Saclay, Châtenay-Malabry, France
| | - Elias Fattal
- Institut Galien Paris-Sud, CNRS, Université Paris-Sud, Université Paris-Saclay, Châtenay-Malabry, France
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Lopez-Pedrera C, Barbarroja N, Patiño-Trives AM, Luque-Tévar M, Torres-Granados C, Aguirre-Zamorano MA, Collantes-Estevez E, Pérez-Sánchez C. Role of microRNAs in the Development of Cardiovascular Disease in Systemic Autoimmune Disorders. Int J Mol Sci 2020; 21:E2012. [PMID: 32188016 PMCID: PMC7139533 DOI: 10.3390/ijms21062012] [Citation(s) in RCA: 18] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/28/2020] [Revised: 03/11/2020] [Accepted: 03/12/2020] [Indexed: 12/11/2022] Open
Abstract
Rheumatoid Arthritis (RA), Systemic lupus erythematosus (SLE) and antiphospholipid syndrome (APS) are the systemic autoimmune diseases (SADs) most associated with an increased risk of developing cardiovascular (CV) events. Cardiovascular disease (CVD) in SADs results from a complex interaction between traditional CV-risk factors, immune deregulation and disease activity. Oxidative stress, dyslipidemia, endothelial dysfunction, inflammatory/prothrombotic mediators (cytokines/chemokines, adipokines, proteases, adhesion-receptors, NETosis-derived-products, and intracellular-signaling molecules) have been implicated in these vascular pathologies. Genetic and genomic analyses further allowed the identification of signatures explaining the pro-atherothrombotic profiles in RA, SLE and APS. However, gene modulation has left significant gaps in our understanding of CV co-morbidities in SADs. MicroRNAs (miRNAs) are emerging as key post-transcriptional regulators of a suite of signaling pathways and pathophysiological effects. Abnormalities in high number of miRNA and their associated functions have been described in several SADs, suggesting their involvement in the development of atherosclerosis and thrombosis in the setting of RA, SLE and APS. This review focusses on recent insights into the potential role of miRNAs both, as clinical biomarkers of atherosclerosis and thrombosis in SADs, and as therapeutic targets in the regulation of the most influential processes that govern those disorders, highlighting the potential diagnostic and therapeutic properties of miRNAs in the management of CVD.
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MicroRNA-155 Participates in Smoke-Inhalation-Induced Acute Lung Injury through Inhibition of SOCS-1. Molecules 2020; 25:molecules25051022. [PMID: 32106541 PMCID: PMC7179228 DOI: 10.3390/molecules25051022] [Citation(s) in RCA: 11] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/31/2020] [Revised: 02/18/2020] [Accepted: 02/23/2020] [Indexed: 12/11/2022] Open
Abstract
Smoke inhalation causes acute lung injury (ALI), a severe clinical disease with high mortality. Accumulating evidence indicates that microRNA-155 (miR-155) and suppressor of cytokine signaling 1 (SOCS-1), as mediators of inflammatory response, are involved in the pathogenesis of ALI. In this paper, we explored the proinflammatory mechanism of miR-155 in smoke-inhalation-induced ALI. Our data revealed that smoke inhalation induces miR-155 expression, and miR-155 knockout (KO) significantly ameliorates smoke-inhalation-induced lung injury in mice. Neutrophil infiltration and myeloperoxidase (MPO), macrophage inflammatory protein 2 (MIP-2) and keratinocyte chemoattractant (KC) expressions were decreased in miR-155–/– mice after smoke inhalation as well. Real-time RT-PCR and immunoblotting results showed that SOCS-1 level was remarkably increased in miR-155–/– mice after smoke exposure. Furthermore, the experiments performed in isolated miR-155 KO pulmonary neutrophils demonstrated that the lack of SOCS-1 enhanced inflammatory cytokines (MIP-2 and KC) secretion in response to smoke stimulation. In conclusion, smoke induces increased expression of miR-155, and miR-155 is involved in inflammatory response to smoke-inhalation-induced lung injury by inhibiting the expression of SOCS-1.
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Comertpay B, Gov E. Identification of key biomolecules in rheumatoid arthritis through the reconstruction of comprehensive disease-specific biological networks. Autoimmunity 2020; 53:156-166. [DOI: 10.1080/08916934.2020.1722107] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/08/2023]
Affiliation(s)
- Betul Comertpay
- Department of Bioengineering, Faculty of Engineering, Adana Alparslan Turkes Science and Technology University, Adana, Turkey
| | - Esra Gov
- Department of Bioengineering, Faculty of Engineering, Adana Alparslan Turkes Science and Technology University, Adana, Turkey
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Zhang L, Wu H, Zhao M, Lu Q. Identifying the differentially expressed microRNAs in autoimmunity: A systemic review and meta-analysis. Autoimmunity 2020; 53:122-136. [DOI: 10.1080/08916934.2019.1710135] [Citation(s) in RCA: 17] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/18/2022]
Affiliation(s)
- Lian Zhang
- Hunan Key Laboratory of Medical Epigenomics, Department of Dermatology, Central South University, Changsha, China
| | - Haijing Wu
- Hunan Key Laboratory of Medical Epigenomics, Department of Dermatology, Central South University, Changsha, China
| | - Ming Zhao
- Hunan Key Laboratory of Medical Epigenomics, Department of Dermatology, Central South University, Changsha, China
| | - Qianjin Lu
- Hunan Key Laboratory of Medical Epigenomics, Department of Dermatology, Central South University, Changsha, China
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44
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Wang Y, Feng T, Duan S, Shi Y, Li S, Zhang X, Zhang L. miR-155 promotes fibroblast-like synoviocyte proliferation and inflammatory cytokine secretion in rheumatoid arthritis by targeting FOXO3a. Exp Ther Med 2019; 19:1288-1296. [PMID: 32010301 PMCID: PMC6966213 DOI: 10.3892/etm.2019.8330] [Citation(s) in RCA: 14] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/28/2018] [Accepted: 09/10/2019] [Indexed: 02/06/2023] Open
Abstract
The present study aimed to explore the expression and effects of microRNA (miR)-155 in synovial fibroblasts of patients with rheumatoid arthritis (RA). A total of 89 synovial tissues from RA patients and 49 control synovial tissues were collected, and the levels of miR-155 were measured by reverse transcription quantitative-PCR and western blotting. Fibroblast-like synoviocytes (FLS) were isolated from synovial tissues from the control group and were used to evaluate the roles of miR-155 and forkhead box protein O3a (FOXO3a). MTT assay was used to measure the proliferation of FLS. The expression of miR-155 in RA synovial tissues was significantly higher than that in the control group, but the expression of FOXO3a was significantly lower. In RA synovial tissues, miR-155 expression was negatively correlated with FOXO3a expression, but was positively correlated with the release of inflammatory cytokines interleukin (IL)-1β, IL-6 and tumor necrosis factor-α (TNF-α). A dual-luciferase reporter system showed that miR-155 inhibited the expression of FOXO3a in FLS cells. miR-155 also promoted secretion of the inflammatory cytokines IL-1β, IL-6 and TNF-α by FLS and proliferation of these cells by targeting FOXO3a.
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Affiliation(s)
- Yaxi Wang
- Department of Ultrasound, The Affiliated Hospital of Inner Mongolia Medical University, Hohhot, Inner Mongolia 010050, P.R. China
| | - Tianying Feng
- Department of Medical Ultrasound, Bao'an Central Hospital of Shenzhen, Shenzhen, Guangdong 518102, P.R. China
| | - Shasha Duan
- Department of Ultrasound, The Affiliated Hospital of Inner Mongolia Medical University, Hohhot, Inner Mongolia 010050, P.R. China
| | - Yilu Shi
- Department of Ultrasound, The Affiliated Hospital of Inner Mongolia Medical University, Hohhot, Inner Mongolia 010050, P.R. China
| | - Shuling Li
- Department of Ultrasound, The Affiliated Hospital of Inner Mongolia Medical University, Hohhot, Inner Mongolia 010050, P.R. China
| | - Xiaoshan Zhang
- Department of Ultrasound, The Affiliated Hospital of Inner Mongolia Medical University, Hohhot, Inner Mongolia 010050, P.R. China
| | - Lei Zhang
- Department of Ultrasound, The Affiliated Hospital of Inner Mongolia Medical University, Hohhot, Inner Mongolia 010050, P.R. China
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45
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Gao J, Kong R, Zhou X, Ji L, Zhang J, Zhao D. MiRNA-126 expression inhibits IL-23R mediated TNF-α or IFN-γ production in fibroblast-like synoviocytes in a mice model of collagen-induced rheumatoid arthritis. Apoptosis 2019; 23:607-615. [PMID: 30167920 PMCID: PMC6208910 DOI: 10.1007/s10495-018-1474-7] [Citation(s) in RCA: 27] [Impact Index Per Article: 5.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Abstract
Both miR-126 and IL-23R affect rheumatoid arthritis (RA) procession. This study aimed to investigate the association of miR-126 and IL-23R and the possible modulation of miR-126 to RA pathogenesis. Serum, synovial tissue and synovial fluid were collected from patients with RA, and expression of miR-126, IL-23R, TNF-α and IFN-γ were detected. Fibroblast-like synoviocytes (FLS) was established using a collagen-induced arthritis mice model. The expression of miR-126 was manual intervened using pro-miR-126 and anti-miR-126 encoding lentivirus plasmids, or miR-126 agonists and corresponding negative controls. MiR-126 expression was inhibited in RA patients when compared with controls (P < 0.05). TNF-α and IFN-γ production and IL-23R expression were significantly upregulated in RA patients when compared to controls (P < 0.05). In pro-miR-126 treated FLS cells, the administration of pro-miR-126 plasmids upregulated miR-126, but inhibited IL-23R, TNF-α and IFN-γ expression or production. Moreover, the miR-126 agonist reversed the effects of the anti-miR-126 plasmid on FLS. These results revealed that miR-126 negative regulated the expression of IL-23R, TNF-α and IFN-γ. These results suggest the key impact of miR-126 on RA procession. Moreover, pro-miR-126 might be explored to be a potential therapy for RA.
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Affiliation(s)
- Jie Gao
- Department of Rheumatology and Immunology, Changhai Hospital, Second Military Medical University, No. 168 Changhai Road, Shanghai, 200433, China
| | - Ruina Kong
- Department of Rheumatology and Immunology, Changhai Hospital, Second Military Medical University, No. 168 Changhai Road, Shanghai, 200433, China
| | - Xiaoli Zhou
- Department of Pathology, Changzhou Second People's Hospital, Changzhou, China
| | - Lianmei Ji
- Department of Rheumatology and Immunology, Changhai Hospital, Second Military Medical University, No. 168 Changhai Road, Shanghai, 200433, China
| | - Ju Zhang
- Department of Rheumatology and Immunology, Changhai Hospital, Second Military Medical University, No. 168 Changhai Road, Shanghai, 200433, China
| | - Dongbao Zhao
- Department of Rheumatology and Immunology, Changhai Hospital, Second Military Medical University, No. 168 Changhai Road, Shanghai, 200433, China.
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46
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Niu X, Schulert GS. Functional Regulation of Macrophage Phenotypes by MicroRNAs in Inflammatory Arthritis. Front Immunol 2019; 10:2217. [PMID: 31572403 PMCID: PMC6753331 DOI: 10.3389/fimmu.2019.02217] [Citation(s) in RCA: 14] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [Key Words] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/30/2019] [Accepted: 09/02/2019] [Indexed: 12/19/2022] Open
Abstract
Inflammatory arthritis including rheumatoid arthritis (RA) and juvenile idiopathic arthritis (JIA) exhibit the shared feature of changes in activation and polarization of circulating monocytes and tissue macrophages. Numerous microRNAs (miRs) have been found to have key functions in regulating inflammation and macrophage polarization. Although there is increasing interest in the roles of miRs in both RA and JIA, less is known regarding how miRs relate to functional properties of immune cells, including monocytes and macrophages. Interestingly, miRs can function both to promote inflammatory phenotypes and pro-inflammatory polarization, as well as through negative-feedback loops to limit inflammation. Here, we review the functional roles of several miRs in macrophages in inflammatory arthritis, with a particular focus on vivo effects of miR alteration in experimental arthritis. We also consider how current efforts to target miRs clinically could modify functional monocyte and macrophage polarization in vivo, and serve as novel therapies for diseases such as RA and JIA.
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Affiliation(s)
- Xiaoling Niu
- Department of Nephrology and Rheumatology, Shanghai Children's Hospital, The Children's Hospital of Shanghai Jiaotong University, Pudong, China.,Division of Rheumatology, Cincinnati Children's Hospital Medical Center and Department of Pediatrics, University of Cincinnati College of Medicine, Cincinnati, OH, United States
| | - Grant S Schulert
- Division of Rheumatology, Cincinnati Children's Hospital Medical Center and Department of Pediatrics, University of Cincinnati College of Medicine, Cincinnati, OH, United States
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47
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Evangelatos G, Fragoulis GE, Koulouri V, Lambrou GI. MicroRNAs in rheumatoid arthritis: From pathogenesis to clinical impact. Autoimmun Rev 2019; 18:102391. [PMID: 31520804 DOI: 10.1016/j.autrev.2019.102391] [Citation(s) in RCA: 73] [Impact Index Per Article: 14.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/26/2019] [Accepted: 05/31/2019] [Indexed: 12/15/2022]
Abstract
Over the last decade, many epigenetic mechanisms that contribute in the pathogenesis of autoimmune disorders have been revealed. MicroRNAs (miRNAs) are small, non-coding, RNA molecules that bind to messenger RNAs and disrupt the transcription of target genes. Rheumatoid arthritis (RA) is a chronic systemic autoimmune disease in which a plethora of epigenetic changes take place. Current research on RA epigenetics has focused mainly on miRNAs. Genetic variance of some miRNA genes, especially miR-499, might predispose an individual to RA development. Additionally, altered expression of many miRNAs has been discovered in several cells, tissues and body fluids in patients with RA. MiRNAs expression also differs depending on disease's stage and activity. Serum miR-22 and miR-103a might predict RA development in susceptible individuals (pre-RA), while serum miR-16, miR-24, miR-125a and miR-223 levels are altered in early RA (disease duration <12 months) patients compared to established RA or healthy individuals. Moreover, serum miR-223 levels have been associated with RA activity and disease relapse. What is more, serum levels of several miRNAs, including miR-125b and miR-223, could be used to predict response to RA treatment. Finally, miRNA analogs or antagonists have been used as therapeutic regimens in experimental arthritis models and have demonstrated promising results. In conclusion, the research on the miRNA alterations in RA sheds light to several aspects of RA pathogenesis, introduces new biomarkers for RA diagnosis and treatment response prediction and offers the opportunity to discover new, targeted drugs for patients with RA.
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Affiliation(s)
- Gerasimos Evangelatos
- Rheumatology Department, 417 Army Share Fund Hospital (NMTS), Athens, Greece; Postgraduate Program "Metabolic Bone Diseases", School of Medicine, National and Kapodistrian University of Athens, Greece.
| | - George E Fragoulis
- Rheumatology Unit, First Department of Propaedeutic Internal Medicine, School of Medicine, National and Kapodistrian University of Athens, Athens, Greece; Institute of Infection, Immunity and Inflammation, University of Glasgow, Glasgow, United Kingdom.
| | - Vassiliki Koulouri
- Department of Physiology, School of Medicine, National and Kapodistrian University of Athens, Athens, Greece.
| | - George I Lambrou
- Postgraduate Program "Metabolic Bone Diseases", School of Medicine, National and Kapodistrian University of Athens, Greece; Choremeio Research Laboratory, First Department of Pediatrics, School of Medicine, National and Kapodistrian University of Athens, Athens, Greece.
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48
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Paoletti A, Rohmer J, Ly B, Pascaud J, Rivière E, Seror R, Le Goff B, Nocturne G, Mariette X. Monocyte/Macrophage Abnormalities Specific to Rheumatoid Arthritis Are Linked to miR-155 and Are Differentially Modulated by Different TNF Inhibitors. THE JOURNAL OF IMMUNOLOGY 2019; 203:1766-1775. [PMID: 31484730 DOI: 10.4049/jimmunol.1900386] [Citation(s) in RCA: 45] [Impact Index Per Article: 9.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/04/2019] [Accepted: 07/29/2019] [Indexed: 12/21/2022]
Abstract
Proinflammatory macrophages and miR-155 are increased in patients with rheumatoid arthritis (RA). We studied membrane TNF (mTNF) expression on blood monocytes, polarization into macrophages, miR-155 expression, and the effect of anti-TNF on these biomarkers in RA patients. Sixty-seven RA patients and 109 controls (55 healthy, 54 with spondyloarthritis and connective tissue diseases) were studied. Monocytes were isolated and differentiated into macrophages with or without anti-TNF. mTNF expression was increased on monocytes from RA patients, but not from other inflammatory diseases, correlated with disease activity. Under human serum AB or M-CSF, only monocytes from RA had a defect of differentiation into M2-like macrophages and had a propensity for preferential maturation toward M1-like macrophages that contributed to synovial inflammation. This defect was correlated to mTNF expression and was partially reversed by monoclonal anti-TNF Abs but not by the TNF soluble receptor. miR-155 was increased in M2-macrophages except in adalimumab-treated patients. Transfection of healthy monocytes with miR-155 induced a decrease in M2-like markers, and transfection of RA monocytes with antagomir-155 allowed restoration of M2-like polarization. Defect in differentiation of monocytes into M2-like-macrophages linked to increased miR-155 and correlated with increased mTNF on monocytes could play a key role in RA pathogenesis. Monoclonal anti-TNF Abs but not the TNF soluble receptor partially restored this defect.
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Affiliation(s)
- Audrey Paoletti
- Université Paris-Sud, INSERM U1184, Center for Immunology of Viral Infections and Autoimmune Diseases, 94270 Le Kremlin Bicêtre, France;
| | - Julien Rohmer
- Université Paris-Sud, INSERM U1184, Center for Immunology of Viral Infections and Autoimmune Diseases, 94270 Le Kremlin Bicêtre, France
| | - Bineta Ly
- Université Paris-Sud, INSERM U1184, Center for Immunology of Viral Infections and Autoimmune Diseases, 94270 Le Kremlin Bicêtre, France
| | - Juliette Pascaud
- Université Paris-Sud, INSERM U1184, Center for Immunology of Viral Infections and Autoimmune Diseases, 94270 Le Kremlin Bicêtre, France
| | - Elodie Rivière
- Université Paris-Sud, INSERM U1184, Center for Immunology of Viral Infections and Autoimmune Diseases, 94270 Le Kremlin Bicêtre, France
| | - Raphaele Seror
- Université Paris-Sud, INSERM U1184, Center for Immunology of Viral Infections and Autoimmune Diseases, 94270 Le Kremlin Bicêtre, France.,Rheumatology Department, Hôpitaux Universitaires Paris-Sud, Assistance Publique - Hôpitaux de Paris, 94270 Le Kremlin Bicêtre, France; and
| | - Benoit Le Goff
- Rheumatology Department, Centre Hospitalier Universitaire de Nantes, 44000 Nantes, Pays de la Loire, France
| | - Gaetane Nocturne
- Université Paris-Sud, INSERM U1184, Center for Immunology of Viral Infections and Autoimmune Diseases, 94270 Le Kremlin Bicêtre, France.,Rheumatology Department, Hôpitaux Universitaires Paris-Sud, Assistance Publique - Hôpitaux de Paris, 94270 Le Kremlin Bicêtre, France; and
| | - Xavier Mariette
- Université Paris-Sud, INSERM U1184, Center for Immunology of Viral Infections and Autoimmune Diseases, 94270 Le Kremlin Bicêtre, France; .,Rheumatology Department, Hôpitaux Universitaires Paris-Sud, Assistance Publique - Hôpitaux de Paris, 94270 Le Kremlin Bicêtre, France; and
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49
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Ding S, Zhang Q, Luo S, Gao L, Huang J, Lu J, Chen J, Zeng Q, Guo A, Zeng J, Lu Q. BCL-6 suppresses miR-142-3p/5p expression in SLE CD4 + T cells by modulating histone methylation and acetylation of the miR-142 promoter. Cell Mol Immunol 2019; 17:474-482. [PMID: 31431691 PMCID: PMC7192839 DOI: 10.1038/s41423-019-0268-3] [Citation(s) in RCA: 26] [Impact Index Per Article: 5.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/25/2019] [Accepted: 07/11/2019] [Indexed: 12/15/2022] Open
Abstract
The reduced expression of miR-142-3p/5p in CD4+ T cells of SLE patients caused T cell hyperactivity and B cell hyperstimulation. This study aimed to investigate the mechanisms of regulating miR-142-3p/5p expression in SLE CD4+ T cells. The BCL-6 expression was significantly increased in SLE CD4+ T cells compared with normal controls, and the BCL-6 expression was inversely correlated with miR-142-3p/5p expression. BCL-6 suppresses the expression of miR-142-3p/5p by increasing H3K27me3 level and reducing H3K9/K14ac levels in SLE CD4+ T cells. BCL-6 regulates histone modifications in miR-142 promoter by recruiting EZH2 and HDAC5. Furthermore, we observed significantly decreased CD40L, ICOS, and IL-21 expression levels in SLE CD4+ T cells with BCL-6 interference, and obviously reduced autoantibody IgG production in autologous B cells co-cultured with BCL-6 inhibited SLE CD4+ T cells. Our study found that increased BCL-6 up-regulates H3K27me3 and down-regulates H3K9/14ac at miR-142 promoter in SLE CD4+ T cells. These factors induce a declination in miR-142-3p/5p expression, consequently resulting in CD4+ T cell hyperactivity.
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Affiliation(s)
- Shu Ding
- Department of Dermatology, The Third Xiangya Hospital of Central South University, #138 Tong Zipo Road, 410013, Changsha, Hunan, China
| | - Qing Zhang
- Department of Dermatology, The Second Xiangya Hospital of Central South University, #139 Renmin Middle Road, 410011, Changsha, Hunan, China
| | - Shuangyan Luo
- Department of Dermatology, The Second Xiangya Hospital of Central South University, #139 Renmin Middle Road, 410011, Changsha, Hunan, China
| | - Lihua Gao
- Department of Dermatology, The Third Xiangya Hospital of Central South University, #138 Tong Zipo Road, 410013, Changsha, Hunan, China
| | - Jinhua Huang
- Department of Dermatology, The Third Xiangya Hospital of Central South University, #138 Tong Zipo Road, 410013, Changsha, Hunan, China
| | - Jianyun Lu
- Department of Dermatology, The Third Xiangya Hospital of Central South University, #138 Tong Zipo Road, 410013, Changsha, Hunan, China
| | - Jing Chen
- Department of Dermatology, The Third Xiangya Hospital of Central South University, #138 Tong Zipo Road, 410013, Changsha, Hunan, China
| | - Qinghai Zeng
- Department of Dermatology, The Third Xiangya Hospital of Central South University, #138 Tong Zipo Road, 410013, Changsha, Hunan, China
| | - Aiyuan Guo
- Department of Dermatology, The Third Xiangya Hospital of Central South University, #138 Tong Zipo Road, 410013, Changsha, Hunan, China
| | - Jinrong Zeng
- Department of Dermatology, The Third Xiangya Hospital of Central South University, #138 Tong Zipo Road, 410013, Changsha, Hunan, China.
| | - Qianjin Lu
- Department of Dermatology, The Second Xiangya Hospital of Central South University, #139 Renmin Middle Road, 410011, Changsha, Hunan, China.
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50
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MiR-26a-5p enhances cells proliferation, invasion, and apoptosis resistance of fibroblast-like synoviocytes in rheumatoid arthritis by regulating PTEN/PI3K/AKT pathway. Biosci Rep 2019; 39:BSR20182192. [PMID: 31221815 PMCID: PMC6658817 DOI: 10.1042/bsr20182192] [Citation(s) in RCA: 29] [Impact Index Per Article: 5.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/26/2018] [Revised: 05/16/2019] [Accepted: 06/11/2019] [Indexed: 12/19/2022] Open
Abstract
Behavior alterations in fibroblast-like synoviocytes (FLS) contribute to a pivotal role in pathogenesis of rheumatoid arthritis (RA). MiRNAs are closely involved in a variety of pathologic conditions. In the present study, we aimed to screen for the aberrant expression of miRNAs in rheumatoid arthritis fibroblast-like synoviocytes (RA-FLS) to further identify the altered expression of miR-26a-5p in RA-FLS and to investigate the role of miR-26a-5p in RA. The altered expression of miR-26a-5p in RA-FLS was screened by microarray analysis and confirmed by quantitative real time PCR. The effect of miR-26a-5p on proliferation, cell cycle, apoptosis, and invasion in RA-FLS were studied. The verification of miR-26a-5p target mRNA and downstream signaling pathway was elucidated by bioinformatics analysis, dual luciferase reporter assay, and western blot. Expression of miR-26a-5p was higher in RA-FLS than in fibroblast-like synoviocytes from osteoarthritis patients and trauma patients. Overexpression of miR-26a-5p RA-FLS promoted cells proliferation, G1/S transition, cells invasion, and resisted apoptosis in RA-FLS, whereas it led to contrary effects when inhibiting the expression of miR-26a-5p. The 3′UTR of tensin homolog (PTEN) was directly targetted by miR-26a-5p and activation of phosphoinositide 3-kinase (PI3K)/AKT pathway was observed when overexpression of miR-26a-5p. Our study suggested that miR-26a-5p has a complementary role in cells proliferation, invasion, and apoptosis of RA-FLS, which may be attributed to its activation effect on PI3K/AKT signaling pathway via targetting PTEN. MiR-26a-5p is likely to be a clinically helpful target for novel therapeutic strategies in RA.
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