101
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Masoumi M, Bashiri H, Khorramdelazad H, Barzaman K, Hashemi N, Sereshki HA, Sahebkar A, Karami J. Destructive Roles of Fibroblast-like Synoviocytes in Chronic Inflammation and Joint Damage in Rheumatoid Arthritis. Inflammation 2020; 44:466-479. [PMID: 33113036 DOI: 10.1007/s10753-020-01371-1] [Citation(s) in RCA: 34] [Impact Index Per Article: 8.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/05/2020] [Revised: 09/06/2020] [Accepted: 10/19/2020] [Indexed: 12/17/2022]
Abstract
Fibroblast-like synoviocytes (FLSs) are important non-immune cells located mostly in the inner layer of the synovium. Indeed, these cells are specialized mesenchymal cells, implicated in collagen homeostasis of the articular joint and provide extracellular matrix (ECM) materials for cartilage and contribute to joint destruction via multiple mechanisms. RA FLS interactions with immune and non-immune cells lead to the development and organization of tertiary structures such as ectopic lymphoid-like structures (ELSs), tertiary lymphoid organs (TLOs), and secretion of proinflammatory cytokines. The interaction of RA FLS cells with immune and non-immune cells leads to stimulation and activation of effector immune cells. Pathological role of RA FLS cells has been reported for many years, while molecular and cellular mechanisms are not completely understood yet. In this review, we tried to summarize the latest findings about the role of FLS cells in ELS formation, joint destruction, interactions with immune and non-immune cells, as well as potential therapeutic options in rheumatoid arthritis (RA) treatment. Our study revealed data about interactions between RA FLS and immune/non-immune cells as well as the role of RA FLS cells in joint damage, ELS formation, and neoangiogenesis, which provide useful information for developing new approaches for RA treatment.
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Affiliation(s)
- Maryam Masoumi
- Clinical Research Development Center, Shahid Beheshti Hospital, Qom University of Medical Sciences, Qom, Iran
| | - Hamidreza Bashiri
- Department of Rheumatology, School of Medicine, Shahid Sadoughi University of Medical Sciences, Yazd, Iran
| | - Hossein Khorramdelazad
- Department of Immunology, School of Medicine, Iran University of Medical Sciences, Tehran, Iran.,Molecular Medicine Research Center, Research Institute of Basic Medical Sciences, Rafsanjan University of Medical Sciences, Rafsanjan, Iran.,Department of Immunology, School of Medicine, Rafsanjan University of Medical Sciences, Rafsanjan, Iran
| | - Khadijeh Barzaman
- Department of Immunology, School of Medicine, Iran University of Medical Sciences, Tehran, Iran
| | - Nader Hashemi
- Department of Biotechnology, School of Advanced Technologies in Medicine, Shahid Beheshti University of Medical Sciences, Tehran, Iran
| | - Hale Abdoli Sereshki
- Department of Immunology, School of Medicine, Iran University of Medical Sciences, Tehran, Iran
| | - Amirhossein Sahebkar
- Biotechnology Research Center, Pharmaceutical Technology Institute, Mashhad University of Medical Sciences, Mashhad, Iran. .,Neurogenic Inflammation Research Center, Mashhad University of Medical Sciences, Mashhad, Iran. .,Polish Mother's Memorial Hospital Research Institute (PMMHRI), Lodz, Poland.
| | - Jafar Karami
- Department of Immunology, School of Medicine, Iran University of Medical Sciences, Tehran, Iran. .,Department of Laboratory Sciences, Khomein University of Medical Sciences, Khomein, Iran.
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102
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Damerau A, Gaber T. Modeling Rheumatoid Arthritis In Vitro: From Experimental Feasibility to Physiological Proximity. Int J Mol Sci 2020; 21:ijms21217916. [PMID: 33113770 PMCID: PMC7663779 DOI: 10.3390/ijms21217916] [Citation(s) in RCA: 21] [Impact Index Per Article: 5.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/09/2020] [Revised: 10/23/2020] [Accepted: 10/23/2020] [Indexed: 12/17/2022] Open
Abstract
Rheumatoid arthritis (RA) is a chronic, inflammatory, and systemic autoimmune disease that affects the connective tissue and primarily the joints. If not treated, RA ultimately leads to progressive cartilage and bone degeneration. The etiology of the pathogenesis of RA is unknown, demonstrating heterogeneity in its clinical presentation, and is associated with autoantibodies directed against modified self-epitopes. Although many models already exist for RA for preclinical research, many current model systems of arthritis have limited predictive value because they are either based on animals of phylogenetically distant origin or suffer from overly simplified in vitro culture conditions. These limitations pose considerable challenges for preclinical research and therefore clinical translation. Thus, a sophisticated experimental human-based in vitro approach mimicking RA is essential to (i) investigate key mechanisms in the pathogenesis of human RA, (ii) identify targets for new therapeutic approaches, (iii) test these approaches, (iv) facilitate the clinical transferability of results, and (v) reduce the use of laboratory animals. Here, we summarize the most commonly used in vitro models of RA and discuss their experimental feasibility and physiological proximity to the pathophysiology of human RA to highlight new human-based avenues in RA research to increase our knowledge on human pathophysiology and develop effective targeted therapies.
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Affiliation(s)
- Alexandra Damerau
- Charité—Universitätsmedizin Berlin, corporate member of Freie Universität Berlin, Humboldt-Universität zu Berlin, and Berlin Institute of Health, Department of Rheumatology and Clinical Immunology, 10117 Berlin, Germany;
- German Rheumatism Research Centre (DRFZ) Berlin, a Leibniz Institute, 10117 Berlin, Germany
| | - Timo Gaber
- Charité—Universitätsmedizin Berlin, corporate member of Freie Universität Berlin, Humboldt-Universität zu Berlin, and Berlin Institute of Health, Department of Rheumatology and Clinical Immunology, 10117 Berlin, Germany;
- German Rheumatism Research Centre (DRFZ) Berlin, a Leibniz Institute, 10117 Berlin, Germany
- Correspondence:
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103
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Innate immune response in systemic autoimmune diseases: a potential target of therapy. Inflammopharmacology 2020; 28:1421-1438. [DOI: 10.1007/s10787-020-00762-y] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/15/2020] [Accepted: 09/18/2020] [Indexed: 02/06/2023]
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104
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Liu Y, Cao F, Sun B, Bellanti JA, Zheng SG. Magnetic nanoparticles: A new diagnostic and treatment platform for rheumatoid arthritis. J Leukoc Biol 2020; 109:415-424. [PMID: 32967052 DOI: 10.1002/jlb.5mr0420-008rr] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/18/2020] [Revised: 04/19/2020] [Accepted: 04/21/2020] [Indexed: 12/30/2022] Open
Abstract
Rheumatoid arthritis (RA) is a chronic inflammatory condition characterized by articular synovitis that eventually leads to the destruction of cartilage and bone in the joints with resulting pain and disability. The current therapies for RA are divided into 4 categories: non-steroidal anti-inflammatory drugs (NSAIDs), glucocorticoids, nonbiological disease-modifying anti-rheumatic drugs (DMARDs), and biological DMARDs. Each drug grouping is beset with significant setbacks that not only include limited drug bioavailability and high clearance, but also varying degrees of drug toxicity to normal tissues. Recently, nanotechnology has provided a promising tool for the development of novel therapeutic and diagnostic systems in the area of malignant and inflammatory diseases. Among these, magnetic nanoparticles (MNPs) have provided an attractive carrier option for delivery of therapeutic agents. Armed with an extra magnetic probe, MNPs are capable of more accurately targeting the local lesion with avoidance of unpleasant systemic side effects. This review aims to provide an introduction to the applications of magnetic nanoparticles in RA, focusing on the latest advances, challenges, and opportunities for future development.
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Affiliation(s)
- Yan Liu
- Institute of Clinical Immunology Center, The Third Affiliated Hospital of Sun Yat-sen University, Guangzhou, China
| | - Fenglin Cao
- Department of Internal Medicine, the First Affiliated Hospital of Harbin Medical University, Harbin, China
| | - Baoqing Sun
- Department of Allergy and Clinical Immunology, Guangzhou Institute of Respiratory Health, State Key Laboratory of Respiratory Disease, National Clinical Research Center for Respiratory Disease, Guangzhou Medical University, First Affiliated Hospital of Guangzhou Medical University, Guangzhou, China
| | - Joseph A Bellanti
- Department of Pediatrics and Microbiology-Immunology, Georgetown University Medical Center, Washington, District of Columbia, United States
| | - Song Guo Zheng
- Department of Internal Medicine, Ohio State University College of Medicine and Wexner Medical Center, Columbus, Ohio, United States
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Abstract
PURPOSE OF REVIEW Rheumatoid arthritis (RA) is a prototypic autoimmune disease manifesting as chronic inflammation of the synovium and leading to acceleration of cardiovascular disease and shortening of life expectancy. The basic defect causing autoimmunity has remained elusive, but recent insights have challenged the notion that autoantigen is the core driver. RECENT FINDINGS Emerging data have added metabolic cues involved in the proper maintenance and activation of immune cells as pathogenic regulators. Specifically, studies have unveiled metabolic pathways that enforce T cell fate decisions promoting tissue inflammation; including T cell tissue invasiveness, T cell cytokine release, T cell-dependent macrophage activation and inflammatory T cell death. At the center of the metabolic abnormalities lies the mitochondria, which is consistently underperforming in RA T cells. The mitochondrial defect results at least partially from insufficient DNA repair and leads to lipid droplet accumulation, formation of invasive membrane ruffles, inflammasome activation and pyroptotic T cell death. SUMMARY T cells in patients with RA, even naïve T cells never having been involved in inflammatory lesions, have a unique metabolic signature and the changes in intracellular metabolites drive pathogenic T cell behavior. Recognizing the role of metabolic signals in cell fate decisions opens the possibility for immunomodulation long before the end stage synovial inflammation encountered in clinical practice.
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106
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Nuri Pamuk O, Hasni S. Morning Stiff ness and Neutrophil Circadian Disarming: Comment on the Article by Orange et al. Arthritis Rheumatol 2020; 73:356-357. [PMID: 32892506 DOI: 10.1002/art.41503] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/23/2020] [Accepted: 08/05/2020] [Indexed: 11/11/2022]
Affiliation(s)
- Omer Nuri Pamuk
- National Institute of Arthritis and Musculoskeletal and Skin Diseases, NIH, Bethesda, MD
| | - Sarfaraz Hasni
- National Institute of Arthritis and Musculoskeletal and Skin Diseases, NIH, Bethesda, MD
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107
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Polymorphonuclear Cell Chemotaxis and Suicidal NETosis: Simultaneous Observation Using fMLP, PMA, H7, and Live Cell Imaging. J Immunol Res 2020; 2020:1415947. [PMID: 32879894 PMCID: PMC7448108 DOI: 10.1155/2020/1415947] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/20/2020] [Revised: 07/19/2020] [Accepted: 07/25/2020] [Indexed: 12/19/2022] Open
Abstract
Chemotaxis and the formation of suicidal neutrophil extracellular traps (suicidal NETosis) are key functions of polymorphonuclear cells (PMNs). Neutrophil extracellular traps in particular are known to be significantly involved in the severity of inflammatory and immunological disorders such as rheumatoid arthritis and Crohn's disease. Therefore, detailed knowledge of PMNs is essential for analyzing the mechanisms involved in, and developing new therapies for, such diseases. To date, no standard method to analyze these cell activities has been established. This study used in vitro live cell imaging to simultaneously observe and analyze PMN functions. To demonstrate this, the effects of phorbol-12-myristat-13-acetat (PMA, 0.1-10 nM), N-formylmethionine-leucyl-phenylalanine (fMLP, 10 nM), and protein kinase C inhibitor 1-(5-isoquinolinesulfonyl)-2-methylpiperazine (H7) on PMN chemotaxis and suicidal NETosis were studied. PMA (1 nM-10 nM) resulted in significant concentration-dependent behavior in chemotaxis and an earlier onset of maximum oxidative burst and NET formation of up to 44%. When adding H7, PMA-triggered PMN functions were reduced, demonstrating that all three functions rely mostly on protein kinase C (PKC) activity, while PKC is not essential for fMLP-induced PMN activity. Thus, the method here described can be used to objectively quantify PMN functions and, especially through the regulation of the PKC pathway, could be useful in further clinical studies of immunological disorders.
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108
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Xu D, Lin Y, Shen J, Zhang J, Wang J, Zhang Y, Zhang H, Ning L, Liu P, Li S, Zeng H, Lin J, Yu C. Overproduced bone marrow neutrophils in collagen-induced arthritis are primed for NETosis: An ignored pathological cell involving inflammatory arthritis. Cell Prolif 2020; 53:e12824. [PMID: 32567730 PMCID: PMC7377937 DOI: 10.1111/cpr.12824] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/06/2020] [Revised: 03/31/2020] [Accepted: 04/19/2020] [Indexed: 12/11/2022] Open
Abstract
OBJECTIVES Bone marrow edema is a universal manifestation of rheumatoid arthritis (RA), and its pathological essence is a bone marrow lesion (BML) formed by various bone marrow (BM) immune cells. Neutrophils play an important role in inflammatory arthritis, but the role and mechanism of neutrophils in BML are not clear. MATERIALS AND METHODS Granulocyte colony-stimulating factor (G-CSF) -/- mice and wild type (WT) C57BL/6 mice were immunized for collagen-induced arthritis (CIA). Histological scores of arthritis were evaluated. Immunohistochemistry staining with anti-Ly6G was conducted. Neutrophil extracellular traps (NETs) in joint sections were determined by immunofluorescence staining. BM neutrophils were isolated for flow cytometry and NETosis induction in vitro. RESULTS Histological study showed significant neutrophil infiltrations in BML of CIA mice. Inhibition of BM neutrophil production by G-CSF knock out can obstruct the induction of BML and CIA. In addition to abundant infiltrated NETs intra-articular, remarkable NETosis primed BM neutrophils were infiltrated in BML of CIA mice, which was positively related to bone erosion. Neutrophils derived from G-CSF-/- mice have diminished ability of NETs formation in vitro, while G-CSF induction can enhance its capacity of NETs formation. CONCLUSIONS We propose for the first time that the overproduced BM neutrophils in CIA mice are primed for NETosis in a G-CSF dependent manner, and these pathogenic cells may have an important role in inflammatory arthritis. Blocking this pathological process could be a potential strategy for the treatment of RA.
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Affiliation(s)
- Danyi Xu
- Department of Rheumatology, The First Affiliated Hospital, College of Medicine, Zhejiang University, Hangzhou, China
| | - Yiming Lin
- Department of Gastroenterology, The First Affiliated Hospital, College of Medicine, Zhejiang University, Hangzhou, China
| | - Jinming Shen
- Department of Orthopaedics, The First Affiliated Hospital, Zhejiang University of Traditional Chinese Medicine, Hangzhou, China
| | - Jie Zhang
- Department of Gastroenterology, The First Affiliated Hospital, College of Medicine, Zhejiang University, Hangzhou, China
| | - Jinghua Wang
- Department of Gastroenterology, The First Affiliated Hospital, College of Medicine, Zhejiang University, Hangzhou, China
| | - Yuwei Zhang
- Department of Gastroenterology, The First Affiliated Hospital, College of Medicine, Zhejiang University, Hangzhou, China
| | - Hong Zhang
- Department of Gastroenterology, The First Affiliated Hospital, College of Medicine, Zhejiang University, Hangzhou, China
| | - Longgui Ning
- Department of Gastroenterology, The First Affiliated Hospital, College of Medicine, Zhejiang University, Hangzhou, China
| | - Peihao Liu
- Department of Gastroenterology, The First Affiliated Hospital, College of Medicine, Zhejiang University, Hangzhou, China
| | - Sha Li
- Department of Gastroenterology, The First Affiliated Hospital, College of Medicine, Zhejiang University, Hangzhou, China
| | - Hang Zeng
- Department of Gastroenterology, The First Affiliated Hospital, College of Medicine, Zhejiang University, Hangzhou, China
| | - Jin Lin
- Department of Rheumatology, The First Affiliated Hospital, College of Medicine, Zhejiang University, Hangzhou, China
| | - Chaohui Yu
- Department of Gastroenterology, The First Affiliated Hospital, College of Medicine, Zhejiang University, Hangzhou, China
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109
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Yuan K, Zhu Q, Lu Q, Jiang H, Zhu M, Li X, Huang G, Xu A. Quercetin alleviates rheumatoid arthritis by inhibiting neutrophil inflammatory activities. J Nutr Biochem 2020; 84:108454. [PMID: 32679549 DOI: 10.1016/j.jnutbio.2020.108454] [Citation(s) in RCA: 87] [Impact Index Per Article: 21.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/06/2019] [Revised: 04/17/2020] [Accepted: 06/14/2020] [Indexed: 01/04/2023]
Abstract
Rheumatoid arthritis (RA) is a prototypical autoimmune disorder mainly characterized by joint inflammation and cartilage destruction. Neutrophils actively take part in the initiation and progression of RA. Neutrophils express inflammatory mediators, including cytokines and chemokines. Aberrant formation of neutrophil extracellular traps (NETs) has been demonstrated in the pathogenesis of RA. Thus, neutrophils are regarded as important therapeutic targets in RA treatment. Quercetin is one of the major flavonoids found in fruits and vegetables. Previous studies have demonstrated that quercetin is a potential agent for the treatment of RA. However, the underlying antiarthritic mechanism of quercetin has not been investigated clearly. In this study, we analyzed the therapeutic mechanism of quercetin for RA. Our results showed that quercetin ameliorates inflammation in RA mice by inhibiting neutrophil activities. Quercetin inhibited neutrophil infiltration and reduced the plasma levels of inflammatory cytokines. Quercetin promoted the apoptosis of activated neutrophils. In addition, quercetin inhibited NET formation by suppressing autophagy. These findings suggest that quercetin may be an alternative agent for the treatment of RA by inhibiting neutrophil activities.
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Affiliation(s)
- Kai Yuan
- School of Life Sciences, Beijing University of Chinese Medicine, Beijing, China; Division of Interdisciplinary Medicine and Biotechnology, Department of Medicine, Beth Israel Deaconess Medical Center/Harvard Medical School, Boston, MA, USA
| | - Qingqing Zhu
- School of Life Sciences, Beijing University of Chinese Medicine, Beijing, China; The Seventh Affiliated Hospital,Sun Yat-sen University, Guangzhou, China
| | - Qingyi Lu
- School of Life Sciences, Beijing University of Chinese Medicine, Beijing, China
| | - Haixu Jiang
- School of Life Sciences, Beijing University of Chinese Medicine, Beijing, China
| | - Mengmeng Zhu
- School of Life Sciences, Beijing University of Chinese Medicine, Beijing, China
| | - Xiaohong Li
- School of Life Sciences, Beijing University of Chinese Medicine, Beijing, China
| | - Guangrui Huang
- School of Life Sciences, Beijing University of Chinese Medicine, Beijing, China.
| | - Anlong Xu
- School of Life Sciences, Beijing University of Chinese Medicine, Beijing, China; State Key Laboratory of Biocontrol, Department of Biochemistry, School of Life Sciences, Sun Yat-Sen (Zhongshan) University, Guangzhou, Guangdong, China.
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110
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Zhang C, Yang M. The Role and Potential Application of Antimicrobial Peptides in Autoimmune Diseases. Front Immunol 2020; 11:859. [PMID: 32457759 PMCID: PMC7225298 DOI: 10.3389/fimmu.2020.00859] [Citation(s) in RCA: 12] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/10/2020] [Accepted: 04/15/2020] [Indexed: 12/12/2022] Open
Affiliation(s)
- Chunye Zhang
- Department of Veterinary Pathobiology, University of Missouri, Columbia, MO, United States
| | - Ming Yang
- Department of Surgery, University of Missouri, Columbia, MO, United States
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111
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Lu Y, Dong Y, Zhang Y, Shen D, Wang X, Ge R, Zhang M, Xia Y, Wang X. Antiphospholipid antibody-activated NETs exacerbate trophoblast and endothelial cell injury in obstetric antiphospholipid syndrome. J Cell Mol Med 2020; 24:6690-6703. [PMID: 32369873 PMCID: PMC7299718 DOI: 10.1111/jcmm.15321] [Citation(s) in RCA: 25] [Impact Index Per Article: 6.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/28/2019] [Revised: 03/07/2020] [Accepted: 04/09/2020] [Indexed: 12/13/2022] Open
Abstract
Despite the widespread use of antiplatelets and anticoagulants, women with antiphospholipid syndrome (APS) may face pregnancy complications associated with placental dysplasia. Neutrophil extracellular traps (NETs) are involved in the pathogenesis of many autoimmune diseases, including vascular APS; however, their role in obstetric APS is unclear. Herein, we investigated the role of NETs by quantifying cell‐free DNA and NET marker levels. Live‐cell imaging was used to visualize NET formation, and MAPK signalling pathway proteins were analysed. Cell migration, invasion and tube formation assays were performed to observe the effects of NETs on trophoblasts and human umbilical vein endothelial cells (HUVECs). The concentrations of cell‐free DNA and NETs in sera of pregnant patients with APS were elevated compared with that of healthy controls (HCs) matched to gestational week. APS neutrophils were predisposed to spontaneous NET release and IgG purified from the patients (APS‐IgG) induced neutrophils from HCs to release NETs. Additionally, APS‐IgG NET induction was abolished with inhibitors of reactive oxygen species, AKT, p38 MAPK and ERK1/2. Moreover, NETs were detrimental to trophoblasts and HUVECs. In summary, APS‐IgG‐induced NET formation deserves further investigation as a potential novel therapeutic target in obstetrical APS.
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Affiliation(s)
- Yuan Lu
- Department of Obstetrics and Gynaecology, Shandong Provincial Hospital Affiliated to Shandong University, Jinan, China
| | - Yan Dong
- Department of Obstetrics and Gynaecology, Linyi People's Hospital, Linyi, China
| | - Yan Zhang
- Department of Obstetrics and Gynaecology, Shandong Provincial Hospital Affiliated to Shandong University, Jinan, China
| | - Di Shen
- Department of Obstetrics and Gynaecology, Maternal and Child Health Care of Shandong Province, Jinan, China
| | - Xiyao Wang
- Department of Obstetrics and Gynaecology, Shandong Provincial Hospital Affiliated to Shandong University, Jinan, China
| | - Ruxiu Ge
- Department of Obstetrics and Gynaecology, Shandong Provincial Hospital Affiliated to Shandong University, Jinan, China
| | - Meihua Zhang
- The Laboratory of Placenta-Related Diseases, Key Laboratory of Birth Regulation and Control Technology of National Health and Family Planning Commission of China, Jinan, China
| | - Yu Xia
- Department of Central Laboratory, Shandong Provincial Hospital Affiliated to Shandong University, Jinan, China
| | - Xietong Wang
- Department of Obstetrics and Gynaecology, Shandong Provincial Hospital Affiliated to Shandong University, Jinan, China.,Department of Obstetrics and Gynaecology, Maternal and Child Health Care of Shandong Province, Jinan, China.,The Laboratory of Placenta-Related Diseases, Key Laboratory of Birth Regulation and Control Technology of National Health and Family Planning Commission of China, Jinan, China
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112
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Opdenakker G, Abu El-Asrar A, Van Damme J. Remnant Epitopes Generating Autoimmunity: From Model to Useful Paradigm. Trends Immunol 2020; 41:367-378. [PMID: 32299652 DOI: 10.1016/j.it.2020.03.004] [Citation(s) in RCA: 25] [Impact Index Per Article: 6.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/19/2019] [Revised: 03/09/2020] [Accepted: 03/09/2020] [Indexed: 12/19/2022]
Abstract
Autoimmune diseases are defined as pathologies of adaptive immunity by the presence of autoantibodies or MHC-restricted autoantigen-reactive T cells. Because autoreactivity is a normal process based on mechanisms producing repertoires of antibodies and T cell receptors, crucial questions about disease mechanisms and key steps for interference have been outstanding. We defined 25 years ago the 'remnant epitopes generate autoimmunity' (REGA)-model in which extracellular proteases from innate immune cells generate autoantigens. Here, we refine the REGA-model, tested in diseases ranging from organ-specific autoimmune diseases to systemic lupus erythematosus. It now constitutes a paradigm in which remnant epitopes generate, maintain, and regulate autoimmunity; are dependent on genetic and epigenetic influences; are produced in a disease phase-specific manner; and have therapeutic implications when targeted.
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Affiliation(s)
- Ghislain Opdenakker
- Laboratory of Immunobiology, Department of Microbiology and Immunology, Rega Institute for Medical Research, KU Leuven, University of Leuven, Leuven, Belgium.
| | - Ahmed Abu El-Asrar
- Laboratory of Immunobiology, Department of Microbiology and Immunology, Rega Institute for Medical Research, KU Leuven, University of Leuven, Leuven, Belgium; Laboratory of Molecular Immunology, Department of Microbiology and Immunology, Rega Institute for Medical Research, KU Leuven, University of Leuven, Leuven, Belgium
| | - Jo Van Damme
- Laboratory of Molecular Immunology, Department of Microbiology and Immunology, Rega Institute for Medical Research, KU Leuven, University of Leuven, Leuven, Belgium
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113
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Zhang Y, Wang S, Song S, Yang X, Jin G. Ginsenoside Rg3 Alleviates Complete Freund's Adjuvant-Induced Rheumatoid Arthritis in Mice by Regulating CD4 +CD25 +Foxp3 +Treg Cells. JOURNAL OF AGRICULTURAL AND FOOD CHEMISTRY 2020; 68:4893-4902. [PMID: 32275817 DOI: 10.1021/acs.jafc.0c01473] [Citation(s) in RCA: 18] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/11/2023]
Abstract
Ginsenoside Rg3 (GRg3) is one of the major bioactive ingredients of ginseng, which is not only used as a herbal medicine but also used as a functional food to support body functions. In this study, the beneficial effects of GRg3 on rheumatoid arthritis (RA) mice was evaluated from anti-inflammatory and immunosuppressive aspects. The footpad swelling rate, pathological changes of the ankle joint, and levels of tumor necrosis factor α, interleukin 6, interleukin 10, and tumor necrosis factor β were used to assess the anti-inflammatory effect of GRg3 on RA mice. Flow cytometric analysis of CD4+CD25+Foxp3+Treg cell percentage and metabolomic analysis based on gas chromatography-tandem mass spectrometry were used to assess the immunosuppressive effect and underlying mechanisms. GRg3 exhibited anti-inflammatory and immunosuppressive effects on RA mice. The potential mechanisms were related to regulate the pathways of oxidative phosphorylation and enhance the function of CD4+CD25+Foxp3+Treg cells to maintain peripheral immune tolerance of RA mice. These findings can provide a preliminary experimental basis to exploit GRg3 as a functional food or an effective complementary for the adjuvant therapy of RA.
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Affiliation(s)
- Yan Zhang
- School of Chemical and Pharmaceutical Engineering, Jilin Institute of Chemical Technology, Jilin 132022, People's Republic of China
| | - Shuang Wang
- Graduate School, Jilin Institute of Chemical Technology, Jilin 132022, People's Republic of China
| | - Shuang Song
- Graduate School, Jilin Institute of Chemical Technology, Jilin 132022, People's Republic of China
| | - Xiaomei Yang
- Nutritional Department, Jilin Medical University Affiliated Hospital, Jilin 132013, People's Republic of China
| | - Gang Jin
- School of Chemical and Pharmaceutical Engineering, Jilin Institute of Chemical Technology, Jilin 132022, People's Republic of China
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114
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Lawrence SM, Corriden R, Nizet V. How Neutrophils Meet Their End. Trends Immunol 2020; 41:531-544. [PMID: 32303452 DOI: 10.1016/j.it.2020.03.008] [Citation(s) in RCA: 70] [Impact Index Per Article: 17.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/22/2019] [Revised: 03/10/2020] [Accepted: 03/18/2020] [Indexed: 12/28/2022]
Abstract
Neutrophil death can transpire via diverse pathways and is regulated by interactions with commensal and pathogenic microorganisms, environmental exposures, and cell age. At steady state, neutrophil turnover and replenishment are continually maintained via a delicate balance between host-mediated responses and microbial forces. Disruptions in this equilibrium directly impact neutrophil numbers in circulation, cell trafficking, antimicrobial defenses, and host well-being. How neutrophils meet their end is physiologically important and can result in different immunologic consequences. Whereas nonlytic forms of neutrophil death typically elicit anti-inflammatory responses and promote healing, pathways ending with cell membrane rupture may incite deleterious proinflammatory responses, which can exacerbate local tissue injury, lead to chronic inflammation, or precipitate autoimmunity. This review seeks to provide a contemporary analysis of mechanisms of neutrophil death.
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Affiliation(s)
- Shelley M Lawrence
- Division of Neonatal-Perinatal Medicine, Department of Pediatrics, College of Medicine, University of California, San Diego, CA, USA; Division of Host-Microbe Systems and Therapeutics, Department of Pediatrics, College of Medicine, University of California, San Diego, CA, USA.
| | - Ross Corriden
- Division of Host-Microbe Systems and Therapeutics, Department of Pediatrics, College of Medicine, University of California, San Diego, CA, USA; Department of Pharmacology, University of California, San Diego, CA, USA
| | - Victor Nizet
- Division of Host-Microbe Systems and Therapeutics, Department of Pediatrics, College of Medicine, University of California, San Diego, CA, USA; Skaggs School of Pharmacy and Pharmaceutical Sciences, University of California, San Diego, CA, USA
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115
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Kang J, Jeong SH, Lee K, Park N, Jung H, Lee K, Ju JH. Exacerbation of symptomatic arthritis by cigarette smoke in experimental arthritis. PLoS One 2020; 15:e0230719. [PMID: 32218599 PMCID: PMC7100974 DOI: 10.1371/journal.pone.0230719] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/19/2019] [Accepted: 03/06/2020] [Indexed: 12/29/2022] Open
Abstract
Introduction Epidemiologically, cigarette smoking is a well-known risk factor for the pathogenesis of rheumatoid arthritis (RA). However, there has been few plausible explanations why cigarette smoking aggravated RA. We investigated the causal effect of smoking in experimental model of arthritis development. Methods During induction of experimental arthritis with collagen challenge, mice were exposed to a smoking environment with 3R4F cigarettes. Generated smoke was delivered to mice through a nose-only exposure chamber (ISO standard 3308). Human cartilage pellet was challenged by cigarette smoke extract to identify citrullinating potential in vitro. Results Cigarette smoke exacerbated arthritis in a collagen-induced arthritis (CIA) model. Exposure to smoke accelerated the onset of arthritis by 2 weeks compared to the conventional model without smoke. Citrullination of lung tissue as well as tarsal joints were revealed in smoke-aggravated CIA mice. Interestingly, tracheal cartilage was a core organ regarding intensity and area size of citrullination. The trachea might be an interesting organ in viewpoint of sharing cartilage with joint and direct smoke exposure. Anti-CCP antibodies were barely detected in the serum of CIA mice, they were significantly elevated in cigarette smoke group. Citrullinated antigens were increased in the serum of smoke-exposed mice. Lastly, a cigarette smoke extract enhanced human cartilage citrullination in vitro. Conclusions Missing link of arthritic mechanism between smoke and RA could be partially explained by tracheal citrullination. To control tracheal cartilage citrullination may be beneficial for preventing arthritis development or aggravation if cigarette smoke is becoming a risk factor to pre-arthritic individual.
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Affiliation(s)
- Jaewoo Kang
- CiSTEM laboratory, Catholic Induced Pluripotent Stem Cell (iPSC) Research Center, College of Medicine, The Catholic University of Korea, Seoul, Republic of Korea
- Department of Biomedicine & Health Science, Seoul St. Mary’s Hospital, College of Medicine, The Catholic University of Korea, Seoul, Republic of Korea
| | - Sang Hoon Jeong
- CiSTEM laboratory, Catholic Induced Pluripotent Stem Cell (iPSC) Research Center, College of Medicine, The Catholic University of Korea, Seoul, Republic of Korea
| | - Kijun Lee
- CiSTEM laboratory, Catholic Induced Pluripotent Stem Cell (iPSC) Research Center, College of Medicine, The Catholic University of Korea, Seoul, Republic of Korea
- Department of Biomedicine & Health Science, Seoul St. Mary’s Hospital, College of Medicine, The Catholic University of Korea, Seoul, Republic of Korea
| | - Narae Park
- CiSTEM laboratory, Catholic Induced Pluripotent Stem Cell (iPSC) Research Center, College of Medicine, The Catholic University of Korea, Seoul, Republic of Korea
- Department of Biomedicine & Health Science, Seoul St. Mary’s Hospital, College of Medicine, The Catholic University of Korea, Seoul, Republic of Korea
| | - Hyerin Jung
- CiSTEM laboratory, Catholic Induced Pluripotent Stem Cell (iPSC) Research Center, College of Medicine, The Catholic University of Korea, Seoul, Republic of Korea
- Department of Biomedicine & Health Science, Seoul St. Mary’s Hospital, College of Medicine, The Catholic University of Korea, Seoul, Republic of Korea
| | - Kyuhong Lee
- Jeonbuk Department of Inhalation Research, Korea Institute of Toxicology, Jeongeup, Jeollabuk-do, Republic of Korea
| | - Ji Hyeon Ju
- CiSTEM laboratory, Catholic Induced Pluripotent Stem Cell (iPSC) Research Center, College of Medicine, The Catholic University of Korea, Seoul, Republic of Korea
- Department of Biomedicine & Health Science, Seoul St. Mary’s Hospital, College of Medicine, The Catholic University of Korea, Seoul, Republic of Korea
- Division of Rheumatology, Department of Internal Medicine, College of Medicine, Seoul St. Mary’s Hospital, The Catholic University of Korea, Seoul, Republic of Korea
- * E-mail:
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116
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Molecular and Cellular Pathways Contributing to Joint Damage in Rheumatoid Arthritis. Mediators Inflamm 2020; 2020:3830212. [PMID: 32256192 PMCID: PMC7103059 DOI: 10.1155/2020/3830212] [Citation(s) in RCA: 95] [Impact Index Per Article: 23.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/12/2020] [Accepted: 02/24/2020] [Indexed: 01/19/2023] Open
Abstract
Rheumatoid arthritis is a chronic autoimmune syndrome associated with several genetic, epigenetic, and environmental factors affecting the articular joints contributing to cartilage and bone damage. Although etiology of this disease is not clear, several immune pathways, involving immune (T cells, B cells, dendritic cells, macrophages, and neutrophils) and nonimmune (fibroblasts and chondrocytes) cells, participate in the secretion of many proinflammatory cytokines, chemokines, proteases (MMPs, ADAMTS), and other matrix lysing enzymes that could disturb the immune balance leading to cartilage and bone damage. The presence of autoantibodies preceding the clinical onset of arthritis and the induction of bone erosion early in the disease course clearly suggest that initiation events damaging the cartilage and bone start very early during the autoimmune phase of the arthritis development. During this process, several signaling molecules (RANKL-RANK, NF-κB, MAPK, NFATc1, and Src kinase) are activated in the osteoclasts, cells responsible for bone resorption. Hence, comprehensive knowledge on pathogenesis is a prerequisite for prevention and development of targeted clinical treatment for RA patients that can restore the immune balance improving clinical therapy.
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Kibler E, Lavrinenko A, Kolesnik I, Stankevich K, Bolbasov E, Kudryavtseva V, Leonov A, Schepetkin I, Khlebnikov A, Quinn MT, Tverdokhlebov S. Electrosprayed poly(lactic-co-glycolic acid) particles as a promising drug delivery system for the novel JNK inhibitor IQ-1. Eur Polym J 2020; 127:109598. [PMID: 32372769 PMCID: PMC7199471 DOI: 10.1016/j.eurpolymj.2020.109598] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/12/2022]
Abstract
Mitogen-activated protein kinases (MAPKs), including c-Jun N-terminal kinase (JNK), play important role in the regulation of pro-inflammatory cytokine secretion and signaling cascades. Therefore, JNKs are key targets for the treatment of cytokine/JNK-driven diseases. Herein, we developed electrospray poly(lactic-co-glycolic acid) (PLGA) microparticles doped with novel JNK inhibitor 11H-indeno[1,2-b]quinoxalin-11-one oxime (IQ-1). Optimized electrospray parameters allowed us to produce IQ-1-doped microparticles with round shape, smooth and non-porous surface, and mean diameter of 0.9-1.3 μm. We have shown that IQ-1 was well integrated into the polymer matrix and had a prolonged release in two steps via non-Fickian release. The fabricated particles doped with IQ-1 exhibited anti-inflammatory effects, as indicated by inhibited neutrophil activation and cytokine secretion by human monocytic MonoMac-6 cells. Overall, our study demonstrates that PLGA microparticles doped with a novel JNK inhibitor (IQ-1) could be a promising delivery system for treatment of JNK-mediated diseases.
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Affiliation(s)
- Elina Kibler
- National Research Tomsk Polytechnic University, Tomsk
634050, Russia
| | | | - Ilya Kolesnik
- National Research Tomsk Polytechnic University, Tomsk
634050, Russia
| | - Ksenia Stankevich
- National Research Tomsk Polytechnic University, Tomsk
634050, Russia
- Department of Microbiology and Immunology, Montana State
University, Bozeman, MT 59717, USA
| | - Evgeny Bolbasov
- National Research Tomsk Polytechnic University, Tomsk
634050, Russia
- Microwave Photonics Lab, Institute of Atmospheric Optics
V.E. Zuev SB RAS, Tomsk 634055, Russia
| | - Valeriya Kudryavtseva
- National Research Tomsk Polytechnic University, Tomsk
634050, Russia
- School of Engineering and Materials Science, Queen Mary
University of London, London E1 4NS, United Kingdom
| | - Andrey Leonov
- National Research Tomsk Polytechnic University, Tomsk
634050, Russia
- Institute of High Current Electronics, Siberian Branch,
Russian Academy of Sciences, Tomsk 634055, Russia
| | - Igor Schepetkin
- Department of Microbiology and Immunology, Montana State
University, Bozeman, MT 59717, USA
| | - Andrei Khlebnikov
- National Research Tomsk Polytechnic University, Tomsk
634050, Russia
- Faculty of Chemistry, National Research Tomsk State
University, Tomsk 634050, Russia
| | - Mark T. Quinn
- Department of Microbiology and Immunology, Montana State
University, Bozeman, MT 59717, USA
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118
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Du N, Song L, Li Y, Wang T, Fang Q, Ou J, Nandakumar KS. Phytoestrogens protect joints in collagen induced arthritis by increasing IgG glycosylation and reducing osteoclast activation. Int Immunopharmacol 2020; 83:106387. [PMID: 32172207 DOI: 10.1016/j.intimp.2020.106387] [Citation(s) in RCA: 22] [Impact Index Per Article: 5.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/14/2019] [Revised: 02/26/2020] [Accepted: 03/06/2020] [Indexed: 01/20/2023]
Abstract
Based on previous studies, we know that estrogen can protect the joints from arthritis development by increasing IgG glycosylation and inhibiting osteoclast activation. Phytoestrogens, especially genistein and daidzein, are structurally similar to estradiol that can bind to estrogen receptors (ERs). However, how phytoestrogens affect IgG glycosylation and osteoclast activation in vivo are not investigated so far. In this study, we used 20 mg/kg genistein or daidzein to gavage the female DBA1/J mice in collagen induced arthritis (CIA). We assessed arthritis and bone erosion by clinical scores, histopathology, and micro-CT analysis. Inflammatory cells such as neutrophils, B cells, macrophages and T cells in the peripheral blood were analyzed by flow cytometry. Phagocytic function of peritoneal macrophages was assessed by using FITC-labeled Escherichia coli. New monoclonal antibodies against CII were produced, purified and analyzed. Glycosylation levels of polyclonal and monoclonal IgG were detected by lectin-ELISA. Quantitative PCR was used to analyze the genes related to IgG glycosylation (B4galt1, St6gal1) and osteoclasts (TRAP, NFATC1, c-Fos). Expression of NF-κB and Akt signaling pathways as well as downstream transcription factors NFATc1 and c-Fos was studied by Western blot. Our results show that phytoestrogens protect mice from CIA by increasing IgG glycosylation leading to amelioration of inflammation and inhibiting the NF-κB pathway and NFATc1/c-Fos to decrease the activity of osteoclasts. In conclusion, phytoestrogens can protect bone and joints in CIA mice by increasing IgG glycosylation and inhibiting osteoclast activity.
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Affiliation(s)
- Ningchao Du
- School of Pharmaceutical Sciences, Southern Medical University, Guangzhou 510515, China
| | - Li Song
- Translational Medicine Collaborative Innovation Center, Shenzhen People's Hospital, 2nd Clinical Medical College of Jinan University, Shenzhen 518020, China
| | - Yang Li
- School of Laboratory Medicine and Technology, Southern Medical University, Guangzhou 510515, China
| | - Tingting Wang
- School of Pharmaceutical Sciences, Southern Medical University, Guangzhou 510515, China
| | - Qinghua Fang
- School of Pharmaceutical Sciences, Southern Medical University, Guangzhou 510515, China
| | - Jiaxin Ou
- School of Pharmaceutical Sciences, Southern Medical University, Guangzhou 510515, China
| | - Kutty Selva Nandakumar
- School of Pharmaceutical Sciences, Southern Medical University, Guangzhou 510515, China.
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119
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The double-edged role of neutrophil extracellular traps in inflammation. Biochem Soc Trans 2020; 47:1921-1930. [PMID: 31754705 DOI: 10.1042/bst20190629] [Citation(s) in RCA: 31] [Impact Index Per Article: 7.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/16/2019] [Revised: 10/31/2019] [Accepted: 11/01/2019] [Indexed: 02/06/2023]
Abstract
While there are numerous studies showing that neutrophil extracellular traps (NETs) contribute to autoimmune inflammation and cause bystander tissue injury, human individuals with genetic impairments in NET formation curiously often suffer from exacerbated autoimmune diseases and/or chronic inflammatory conditions. These findings are confirmed in some mouse models of systemic lupus erythematosus (SLE) and gouty arthritis, where an absence of neutrophils or impairment of NET formation leads to exacerbation of autoimmunity and chronic inflammation. Thus, aside from their role as archetypical pro-inflammatory cells, neutrophils in general, and NETs in particular, can also interrupt the self-amplifying loop of cell activation and cell recruitment that characterizes neutrophilic inflammation. Here, we review the current state-of-the-science regarding anti-inflammatory and immune-regulatory action of NETs. We give an overview about the mechanistic involvement of NET-associated neutrophil serine proteases and suggest how tailored induction of NET formation could be exploited for the treatment of chronic autoinflammatory disorders.
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120
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Magnadóttir B, Uysal-Onganer P, Kraev I, Svansson V, Hayes P, Lange S. Deiminated proteins and extracellular vesicles - Novel serum biomarkers in whales and orca. COMPARATIVE BIOCHEMISTRY AND PHYSIOLOGY D-GENOMICS & PROTEOMICS 2020; 34:100676. [PMID: 32114311 DOI: 10.1016/j.cbd.2020.100676] [Citation(s) in RCA: 16] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/30/2019] [Revised: 01/16/2020] [Accepted: 02/17/2020] [Indexed: 02/06/2023]
Abstract
Peptidylarginine deiminases (PADs) are a family of phylogenetically conserved calcium-dependent enzymes which cause post-translational protein deimination. This can result in neoepitope generation, affect gene regulation and allow for protein moonlighting via functional and structural changes in target proteins. Extracellular vesicles (EVs) carry cargo proteins and genetic material and are released from cells as part of cellular communication. EVs are found in most body fluids where they can be useful biomarkers for assessment of health status. Here, serum-derived EVs were profiled, and post-translationally deiminated proteins and EV-related microRNAs are described in 5 ceataceans: minke whale, fin whale, humpback whale, Cuvier's beaked whale and orca. EV-serum profiles were assessed by transmission electron microscopy and nanoparticle tracking analysis. EV profiles varied between the 5 species and were identified to contain deiminated proteins and selected key inflammatory and metabolic microRNAs. A range of proteins, critical for immune responses and metabolism were identified to be deiminated in cetacean sera, with some shared KEGG pathways of deiminated proteins relating to immunity and physiology, while some KEGG pathways were species-specific. This is the first study to characterise and profile EVs and to report deiminated proteins and putative effects of protein-protein interaction networks via such post-translationald deimination in cetaceans, revealing key immune and metabolic factors to undergo this post-translational modification. Deiminated proteins and EVs profiles may possibly be developed as new biomarkers for assessing health status of sea mammals.
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Affiliation(s)
- Bergljót Magnadóttir
- Institute for Experimental Pathology, University of Iceland, Keldur v. Vesturlandsveg, 112 Reykjavik, Iceland.
| | - Pinar Uysal-Onganer
- Cancer Research Group, School of Life Sciences, University of Westminster, London W1W 6UW, UK.
| | - Igor Kraev
- Electron Microscopy Suite, Faculty of Science, Technology, Engineering and Mathematics, Open University, Milton Keynes MK7 6AA, UK.
| | - Vilhjálmur Svansson
- Institute for Experimental Pathology, University of Iceland, Keldur v. Vesturlandsveg, 112 Reykjavik, Iceland
| | - Polly Hayes
- Tissue Architecture and Regeneration Research Group, School of Life Sciences, University of Westminster, London W1W 6UW, UK.
| | - Sigrun Lange
- Tissue Architecture and Regeneration Research Group, School of Life Sciences, University of Westminster, London W1W 6UW, UK.
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121
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IL-4 controls activated neutrophil FcγR2b expression and migration into inflamed joints. Proc Natl Acad Sci U S A 2020; 117:3103-3113. [PMID: 31980518 PMCID: PMC7022208 DOI: 10.1073/pnas.1914186117] [Citation(s) in RCA: 24] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/26/2022] Open
Abstract
Neutrophils are the most abundant immune cells found in actively inflamed joints of patients with rheumatoid arthritis (RA), and most animal models for RA depend on neutrophils for the induction of joint inflammation. Exogenous IL-4 and IL-13 protect mice from antibody-mediated joint inflammation, although the mechanism is not understood. Neutrophils display a very strong basal expression of STAT6, which is responsible for signaling following exposure to IL-4 and IL-13. Still, the role of IL-4 and IL-13 in neutrophil biology has not been well studied. This can be explained by the low neutrophil surface expression of the IL-4 receptor α-chain (IL-4Rα), essential for IL-4- and IL-13-induced STAT6 signaling. Here we identify that colony stimulating factor 3 (CSF3), released during acute inflammation, mediates potent STAT3-dependent neutrophil IL-4Rα up-regulation during sterile inflammatory conditions. We further demonstrate that IL-4 limits neutrophil migration to inflamed joints, and that CSF3 combined with IL-4 or IL-13 results in a prominent neutrophil up-regulation of the inhibitory Fcγ receptor (FcγR2b). Taking these data together, we demonstrate that the IL-4 and CSF3 pathways are linked and play important roles in regulating proinflammatory neutrophil behavior.
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122
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Friedlander HM, Ford JA, Zaccardelli A, Terrio AV, Cho MH, Sparks JA. Obstructive lung diseases and risk of rheumatoid arthritis. Expert Rev Clin Immunol 2020; 16:37-50. [PMID: 31774329 DOI: 10.1080/1744666x.2019.1698293] [Citation(s) in RCA: 13] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/16/2022]
Abstract
Introduction: Smoking is an established risk factor for both lung diseases and rheumatoid arthritis (RA). Chronic mucosal airway inflammation may result in immune tolerance loss, neoantigen formation, and production of RA-related autoantibodies that increase the subsequent risk of RA. In this review, we aimed to summarize the current evidence supporting the role of obstructive lung diseases and subsequent risk of RA.Areas covered: We identified scientific articles discussing the biologic mechanisms linking mucosal airway inflammation and RA risk. We also identified studies investigating asthma, chronic obstructive pulmonary disease, bronchiectasis, cystic fibrosis, chronic tuberculous and nontuberculous mycobacterial infections, and interstitial lung disease with subsequent risk for RA.Expert opinion: The current evidence supports the hypothesis that mucosal airway inflammation may increase the risk of developing RA. However, most studies investigating this relationship have been retrospective and may not have adequately addressed the role of smoking. Larger prospective studies may provide stronger evidence for obstructive lung disease and RA risk. Determining the role of obstructive lung disease in RA pathogenesis may provide opportunity for RA prevention and screening strategies, while identifying novel biologic mechanisms that could offer targets to improve treatment and outcomes.
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Affiliation(s)
- H Maura Friedlander
- Brigham and Women's Hospital, Division of Rheumatology, Immunology and Allergy, Boston, MA, USA
| | - Julia A Ford
- Brigham and Women's Hospital, Division of Rheumatology, Immunology and Allergy, Boston, MA, USA.,Harvard Medical School, Boston, MA, USA
| | - Alessandra Zaccardelli
- Brigham and Women's Hospital, Division of Rheumatology, Immunology and Allergy, Boston, MA, USA
| | - Alexsandra V Terrio
- Brigham and Women's Hospital, Division of Rheumatology, Immunology and Allergy, Boston, MA, USA
| | - Michael H Cho
- Harvard Medical School, Boston, MA, USA.,Brigham and Women's Hospital, Division of Pulmonary and Critical Care Medicine, Boston, MA, USA.,Brigham and Women's Hospital, Channing Division of Network Medicine, Boston, MA, USA
| | - Jeffrey A Sparks
- Brigham and Women's Hospital, Division of Rheumatology, Immunology and Allergy, Boston, MA, USA.,Harvard Medical School, Boston, MA, USA
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123
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Zhang L, Yuan Y, Xu Q, Jiang Z, Chu CQ. Contribution of neutrophils in the pathogenesis of rheumatoid arthritis. J Biomed Res 2020; 34:86-93. [PMID: 32305962 DOI: 10.7555/jbr.33.20190075] [Citation(s) in RCA: 14] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/13/2022] Open
Abstract
Neutrophils are major innate immune effector cells for host defense and have been a topic of active research for their participation in the pathogenesis of autoimmune inflammatory diseases including rheumatoid arthritis (RA) due to recently discovered neutrophil extracellular trap (NET) formation. NET formation and other mechanisms leading to the release of neutrophil nuclear and cytoplasmic contents are implicated as a source of citrullinated antigens in RA. Further investigations are required to delineate what factors diverge neutrophils from host defense to autoimmune response in RA.
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Affiliation(s)
- Lingshu Zhang
- Division of Arthritis and Rheumatic Diseases, Oregon Health & Science University, Portland, OR 97239, USA;Rheumatology Section, VA Portland Healthcare System, Portland, OR 97239, USA
| | - Yi Yuan
- Department of Rheumatology and Immunology, the First Hospital of Jilin University, Changchun, Jilin 130021, China
| | - Qiang Xu
- Division of Arthritis and Rheumatic Diseases, Oregon Health & Science University, Portland, OR 97239, USA;Rheumatology Section, VA Portland Healthcare System, Portland, OR 97239, USA
| | - Zhengyu Jiang
- Department of Rheumatology and Immunology, the First Hospital of Jilin University, Changchun, Jilin 130021, China
| | - Cong-Qiu Chu
- Division of Arthritis and Rheumatic Diseases, Oregon Health & Science University, Portland, OR 97239, USA;Rheumatology Section, VA Portland Healthcare System, Portland, OR 97239, USA
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124
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Criscitiello MF, Kraev I, Lange S. Deiminated proteins in extracellular vesicles and serum of llama (Lama glama)-Novel insights into camelid immunity. Mol Immunol 2020; 117:37-53. [PMID: 31733447 PMCID: PMC7112542 DOI: 10.1016/j.molimm.2019.10.017] [Citation(s) in RCA: 16] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/03/2019] [Revised: 10/05/2019] [Accepted: 10/23/2019] [Indexed: 02/07/2023]
Abstract
Peptidylarginine deiminases (PADs) are phylogenetically conserved calcium-dependent enzymes which post-translationally convert arginine into citrulline in target proteins in an irreversible manner, causing functional and structural changes in target proteins. Protein deimination causes generation of neo-epitopes, affects gene regulation and also allows for protein moonlighting. Furthermore, PADs have been found to be a phylogenetically conserved regulator for extracellular vesicle (EVs) release. EVs are found in most body fluids and participate in cellular communication via transfer of cargo proteins and genetic material. In this study, post-translationally deiminated proteins in serum and serum-EVs are described for the first time in camelids, using the llama (Lama glama L. 1758) as a model animal. We report a poly-dispersed population of llama serum EVs, positive for phylogenetically conserved EV-specific markers and characterised by TEM. In serum, 103 deiminated proteins were overall identified, including key immune and metabolic mediators including complement components, immunoglobulin-based nanobodies, adiponectin and heat shock proteins. In serum, 60 deiminated proteins were identified that were not in EVs, and 25 deiminated proteins were found to be unique to EVs, with 43 shared deiminated protein hits between both serum and EVs. Deiminated histone H3, a marker of neutrophil extracellular trap formation, was also detected in llama serum. PAD homologues were identified in llama serum by Western blotting, via cross reaction with human PAD antibodies, and detected at an expected 70 kDa size. This is the first report of deiminated proteins in serum and EVs of a camelid species, highlighting a hitherto unrecognized post-translational modification in key immune and metabolic proteins in camelids, which may be translatable to and inform a range of human metabolic and inflammatory pathologies.
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Affiliation(s)
- Michael F Criscitiello
- Comparative Immunogenetics Laboratory, Department of Veterinary Pathobiology, College of Veterinary Medicine and Biomedical Sciences, Texas A&M University, College Station, TX, 77843, USA; Department of Microbial Pathogenesis and Immunology, College of Medicine, Texas A&M Health Science Center, Texas A&M University, College Station, TX, 77843, USA.
| | - Igor Kraev
- Electron Microscopy Suite, Faculty of Science, Technology, Engineering and Mathematics, Open University, Milton Keynes, MK7 6AA, UK.
| | - Sigrun Lange
- Tissue Architecture and Regeneration Research Group, School of Life Sciences, University of Westminster, London W1W 6UW, UK.
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125
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Ni R, Song G, Fu X, Song R, Li L, Pu W, Gao J, Hu J, Liu Q, He F, Zhang D, Huang G. Reactive oxygen species-responsive dexamethasone-loaded nanoparticles for targeted treatment of rheumatoid arthritis via suppressing the iRhom2/TNF-α/BAFF signaling pathway. Biomaterials 2019; 232:119730. [PMID: 31918224 DOI: 10.1016/j.biomaterials.2019.119730] [Citation(s) in RCA: 68] [Impact Index Per Article: 13.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/13/2019] [Revised: 12/06/2019] [Accepted: 12/23/2019] [Indexed: 02/07/2023]
Abstract
Rheumatoid arthritis (RA) is an immune-mediated inflammatory disease that results in synovitis, cartilage destruction, and even loss of joint function. The frequent and long-term administration of anti-rheumatic drugs often leads to obvious adverse effects and patient non-compliance. Therefore, to specifically deliver dexamethasone (Dex) to inflamed joints and reduce the administration frequency of Dex, we developed Dex-loaded reactive oxygen species (ROS)-responsive nanoparticles (Dex/Oxi-αCD NPs) and folic acid (FA) modified Dex/Oxi-αCD NPs (Dex/FA-Oxi-αCD NPs) and validated their anti-inflammatory effect in vitro and in vivo. In vitro study demonstrated that these NPs can be effectively internalized by activated macrophages and the released Dex from NPs significantly downregulated the expression of iRhom2, TNF-α, and BAFF in activated Raw264.7. In vivo experiments revealed that Dex/Oxi-αCD NPs, especially Dex/FA-Oxi-αCD NPs significantly accumulated at inflamed joints in collagen-induced arthritis (CIA) mice and alleviated the joint swelling and cartilage destruction. Importantly, the expression of iRhom2, TNF-α, and BAFF in the joint was inhibited by intravenous injection of Dex/Oxi-αCD NPs and Dex/FA-Oxi-αCD NPs. Collectively, our data revealed that Dex-loaded ROS-responsive NPs can target inflamed joints and attenuate arthritis, and the 'iRhom2-TNF-α-BAFF' pathway plays an important role in the treatment of RA with the NPs, suggesting that this pathway may be a novel target for RA therapy.
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Affiliation(s)
- Rongrong Ni
- Department of Chemistry, College of Basic Medical Science, Third Military Medical University (Army Medical University), Chongqing, 400038, China; Department of Biochemistry and Molecular Biology, College of Basic Medical Science, Third Military Medical University (Army Medical University), Chongqing, 400038, China
| | - Guojing Song
- Department of Biochemistry and Molecular Biology, College of Basic Medical Science, Third Military Medical University (Army Medical University), Chongqing, 400038, China
| | - Xiaohong Fu
- Department of Biochemistry and Molecular Biology, College of Basic Medical Science, Third Military Medical University (Army Medical University), Chongqing, 400038, China
| | - Ruifeng Song
- Department of Chemistry, College of Basic Medical Science, Third Military Medical University (Army Medical University), Chongqing, 400038, China
| | - Lanlan Li
- Department of Chemistry, College of Basic Medical Science, Third Military Medical University (Army Medical University), Chongqing, 400038, China
| | - Wendan Pu
- Department of Chemistry, College of Basic Medical Science, Third Military Medical University (Army Medical University), Chongqing, 400038, China
| | - Jining Gao
- Institute of Combined Injury, State Key Laboratory of Trauma, Burns and Combined Injury, Chongqing Engineering Research Center for Nanomedicine, College of Preventive Medicine, Chongqing Engineering Research Center for Biomaterials and Regenerative Medicine, Third Military Medical University (Army Medical University), Chongqing, 400038, China
| | - Jun Hu
- Department of Neurology, Southwest Hospital, Third Military Medical University (Amy Medical University), Chongqing, 400038, China
| | - Qin Liu
- Biomedical Analysis Center, Third Military Medical University (Amy Medical University), Chongqing, 400038, China
| | - Fengtian He
- Department of Biochemistry and Molecular Biology, College of Basic Medical Science, Third Military Medical University (Army Medical University), Chongqing, 400038, China
| | - Dinglin Zhang
- Department of Chemistry, College of Basic Medical Science, Third Military Medical University (Army Medical University), Chongqing, 400038, China; Department of Urology, Southwest Hospital, Third Military Medical University (Amy Medical University), Chongqing, 400038, China.
| | - Gang Huang
- Department of Biochemistry and Molecular Biology, College of Basic Medical Science, Third Military Medical University (Army Medical University), Chongqing, 400038, China.
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Comment on: Pathological consequences of Anti-Citrullinated Protein Antibodies in Tear Fluid and therapeutic potential of Pooled Human Immune Globulin-Eye Drops in Dry Eye Disease: Too much of a good thing, how chronic neutrophilic inflammation can drive human disease. Ocul Surf 2019; 18:193-195. [PMID: 31863861 DOI: 10.1016/j.jtos.2019.12.003] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/24/2022]
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Granger V, Peyneau M, Chollet-Martin S, de Chaisemartin L. Neutrophil Extracellular Traps in Autoimmunity and Allergy: Immune Complexes at Work. Front Immunol 2019; 10:2824. [PMID: 31849989 PMCID: PMC6901596 DOI: 10.3389/fimmu.2019.02824] [Citation(s) in RCA: 41] [Impact Index Per Article: 8.2] [Reference Citation Analysis] [Abstract] [Key Words] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/31/2019] [Accepted: 11/15/2019] [Indexed: 12/17/2022] Open
Abstract
Neutrophil extracellular traps (NETs) have been initially described as main actors in host defense owing to their ability to immobilize and sometimes kill microorganisms. Subsequent studies have demonstrated their implication in the pathophysiology of various diseases, due to the toxic effects of their main components on surrounding tissues. Several distinct NETosis pathways have been described in response to various triggers. Among these triggers, IgG immune complexes (IC) play an important role since they induce robust NET release upon binding to activating FcγRs on neutrophils. Few in vitro studies have documented the mechanisms of IC-induced NET release and evidence about the partners involved is controversial. In vivo, animal models and clinical studies have strongly suggested the importance of IgG IC-induced NET release for autoimmunity and anaphylaxis. In this review, we will focus on two autoimmune diseases in which NETs are undoubtedly major players, systemic lupus erythematosus (SLE), and rheumatoid arthritis (RA). We will also discuss anaphylaxis as another example of disease recently associated with IC-induced NET release. Understanding the role of IC-induced NETs in these settings will pave the way for new diagnostic tools and therapeutic strategies.
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Affiliation(s)
- Vanessa Granger
- Département d'Immunologie et d'Hématologie, UF Auto-immunité et Hypersensibilités, HUPNVS, Hôpital Bichat, Paris, France.,Inflammation Chimiokines et Immunopathologie, INSERM UMR996, Faculté de Pharmacie, Université Paris-Sud, Université Paris-Saclay, Châtenay-Malabry, France
| | - Marine Peyneau
- Département d'Immunologie et d'Hématologie, UF Auto-immunité et Hypersensibilités, HUPNVS, Hôpital Bichat, Paris, France.,Inflammation Chimiokines et Immunopathologie, INSERM UMR996, Faculté de Pharmacie, Université Paris-Sud, Université Paris-Saclay, Châtenay-Malabry, France
| | - Sylvie Chollet-Martin
- Département d'Immunologie et d'Hématologie, UF Auto-immunité et Hypersensibilités, HUPNVS, Hôpital Bichat, Paris, France.,Inflammation Chimiokines et Immunopathologie, INSERM UMR996, Faculté de Pharmacie, Université Paris-Sud, Université Paris-Saclay, Châtenay-Malabry, France
| | - Luc de Chaisemartin
- Département d'Immunologie et d'Hématologie, UF Auto-immunité et Hypersensibilités, HUPNVS, Hôpital Bichat, Paris, France.,Inflammation Chimiokines et Immunopathologie, INSERM UMR996, Faculté de Pharmacie, Université Paris-Sud, Université Paris-Saclay, Châtenay-Malabry, France
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Bo M, Erre GL, Bach H, Slavin YN, Manchia PA, Passiu G, Sechi LA. PtpA and PknG Proteins Secreted by Mycobacterium avium subsp. paratuberculosis are Recognized by Sera from Patients with Rheumatoid Arthritis: A Case-Control Study. J Inflamm Res 2019; 12:301-308. [PMID: 31819587 PMCID: PMC6899068 DOI: 10.2147/jir.s220960] [Citation(s) in RCA: 16] [Impact Index Per Article: 3.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/26/2019] [Accepted: 10/09/2019] [Indexed: 12/16/2022] Open
Abstract
Purpose Rheumatoid arthritis (RA) can result from complex interactions between the affected person’s genetic background and environment. Viral and bacterial infections may play a pathogenetic role in RA through different mechanisms of action. We aimed to evaluate the presence of antibodies (Abs) directed against two proteins of Mycobacterium avium subsp. paratuberculosis (MAP) in sera of RA subjects, which are crucial for the survival of the pathogen within macrophages. Moreover, we analyzed the correlation of immune response to both proteins with the following homologous peptides: BOLF1305–320, MAP_402718–32 and IRF5424–434 to understand how the synergic role of Epstein–Barr virus (EBV) and MAP infection in genetically predisposed subjects may lead to a possible deregulation of interferon regulatory factor 5 (IRF5). Materials and methods The presence of Abs against protein tyrosine phosphatase A (PtpA) and protein kinase G (PknG) in sera from Sardinian RA patients (n=84) and healthy volunteers (HCs, n=79) was tested by indirect ELISA. Results RA sera showed a remarkably high frequency of reactivity against PtpA in comparison to HCs (48.8% vs 7.6%; p<0.001) and lower but statistically significant responses towards PknG (27.4% vs 10.1%; p=0.0054). We found a significant linear correlation between the number of swollen joints and the concentrations of antibodies against PtpA (p=0.018). Furthermore, a significant bivariate correlation between PtpA and MAP MAP_402718–32 peptide has been found, suggesting that MAP infection may induce a secondary immune response through cross-reaction with IRF5 (R2=0.5). Conclusion PtpA and PknG are strongly recognized in RA which supports the hypothesis that MAP infection may be involved in the pathogenesis of RA.
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Affiliation(s)
- Marco Bo
- Department of Biomedical Sciences, Section of Microbiology and Virology, University of Sassari, Sassari 07100, Italy
| | - Gian Luca Erre
- Department of Clinical and Experimental Medicine, Azienda Ospedaliero-Universitaria di Sassari, UOC di Reumatologia, Sassari 07100, Italy
| | - Horacio Bach
- Division of Infectious Diseases, Faculty of Medicine, The University of British Columbia, Vancouver, BC V6H 3Z6, Canada
| | - Yael N Slavin
- Division of Infectious Diseases, Faculty of Medicine, The University of British Columbia, Vancouver, BC V6H 3Z6, Canada
| | | | - Giuseppe Passiu
- Department of Clinical and Experimental Medicine, Azienda Ospedaliero-Universitaria di Sassari, UOC di Reumatologia, Sassari 07100, Italy
| | - Leonardo A Sechi
- Department of Biomedical Sciences, Section of Microbiology and Virology, University of Sassari, Sassari 07100, Italy
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Abstract
Mucosal surfaces are a unique symbiotic environment between a host and a vast and diverse ecology of microbes. These microbes have great immunomodulatory potential with respect to the host organism. Indeed, the mucosal immune system strikes a delicate balance between tolerance of commensal organisms and overt inflammation to ward off pathogens. Disruptions of the microbial ecology at mucosal surfaces has been described in a vast number of different human disease processes including many forms of arthritis, and the resulting implications are still being understood to their fullest. Herein, we review the current state of knowledge in microbe-host interactions as it relates to the development of arthritis through bacterial translocation, bacterial metabolite production, education of the immune response, and molecular mimicry.
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Affiliation(s)
- Meagan E Chriswell
- Division of Rheumatology, University of Colorado School of Medicine, 1775 Aurora Ct. Mail Stop B115, Aurora, CO 80045, USA.
| | - Kristine A Kuhn
- Division of Rheumatology, University of Colorado School of Medicine, 1775 Aurora Ct. Mail Stop B115, Aurora, CO 80045, USA.
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The Role of Neutrophils and Neutrophil Extracellular Traps in Vascular Damage in Systemic Lupus Erythematosus. J Clin Med 2019; 8:jcm8091325. [PMID: 31466329 PMCID: PMC6780421 DOI: 10.3390/jcm8091325] [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: 07/25/2019] [Revised: 08/16/2019] [Accepted: 08/25/2019] [Indexed: 12/14/2022] Open
Abstract
Systemic lupus erythematosus (SLE) is an autoimmune syndrome of unknown etiology, characterized by multi-organ inflammation and clinical heterogeneity. SLE affects mostly women and is associated with a high risk of cardiovascular disease. As the therapeutic management of SLE improved, a pattern of early atherosclerotic disease became one of the hallmarks of late disease morbidity and mortality. Neutrophils emerged as important players in SLE pathogenesis and they are associated with increased risk of developing atherosclerotic disease and vascular damage. Enhanced neutrophil extracellular trap (NET) formation was linked to vasculopathy in both SLE and non-SLE subjects and may promote enhanced coronary plaque formation and lipoprotein dysregulation. Foundational work provided insight into the complex relationship between NETs and immune and tissue resident cells within the diseased artery. In this review, we highlight the mechanistic link between neutrophils, NETs, and atherosclerosis within the context of both SLE and non-SLE subjects. We aim to identify actionable pathways that will drive future research toward translational therapeutics, with the ultimate goal of preventing early morbidity and mortality in SLE.
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131
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Emodin ameliorates rheumatoid arthritis by promoting neutrophil apoptosis and inhibiting neutrophil extracellular trap formation. Mol Immunol 2019; 112:188-197. [DOI: 10.1016/j.molimm.2019.05.010] [Citation(s) in RCA: 22] [Impact Index Per Article: 4.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/25/2019] [Revised: 04/23/2019] [Accepted: 05/29/2019] [Indexed: 12/22/2022]
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