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Martínez-Ramos S, García S. An update of murine models and their methodologies in immune-mediated joint damage and pain research. Int Immunopharmacol 2024; 128:111440. [PMID: 38176343 DOI: 10.1016/j.intimp.2023.111440] [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: 11/15/2023] [Revised: 12/13/2023] [Accepted: 12/21/2023] [Indexed: 01/06/2024]
Abstract
Murine models have played an indispensable role in the understanding of rheumatic and musculoskeletal disorders (RMD), elucidating the genetic, endocrine and biomechanical pathways involved in joint pathology and associated pain. To date, the available models in RMD can be classified as induced or spontaneous, both incorporating transgenic alternatives that improve specific insights. It is worth noting that the selection of the most appropriate model together with the evaluation of their specific characteristics and technical capabilities are crucial when designing the experiments. Furthermore, it is also imperative to consistently adhere to the ethical standards concerning animal experimentation. Recognizing the inherent limitation that any model can entirely encapsulates the complexity of the pathophysiology of these conditions, the aim of this review is to provide an updated overview on the methodology of current murine models in major arthropathies and their immune-mediated pathways, addressing to basic, translational and pharmacological research in joint damage and pain.
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Affiliation(s)
- Sara Martínez-Ramos
- Rheumatology & Immuno-mediated Diseases Research Group (IRIDIS), Galicia Sur Health Research Institute (IIS Galicia Sur), SERGAS-UVIGO, Vigo, Spain; Rheumatology Department, University Hospital Complex of Vigo, Vigo, Spain.
| | - Samuel García
- Rheumatology & Immuno-mediated Diseases Research Group (IRIDIS), Galicia Sur Health Research Institute (IIS Galicia Sur), SERGAS-UVIGO, Vigo, Spain; Rheumatology Department, University Hospital Complex of Vigo, Vigo, Spain
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2
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Xie J, Xu J, Chen H. Regulatory mechanisms of miR-212-3p on the secretion of inflammatory factors in monocyte-macrophages and the directed differentiation into osteoclasts in ankylosing spondylitis. Aging (Albany NY) 2023; 15:13411-13421. [PMID: 38019469 PMCID: PMC10713416 DOI: 10.18632/aging.205249] [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: 09/08/2021] [Accepted: 10/15/2023] [Indexed: 11/30/2023]
Abstract
To explore the mechanisms of action of micro ribonucleic acid (miR)-212-3p in the secretion of inflammatory factors in monocyte-macrophages and the directed differentiation into osteoclasts (OCs) in ankylosing spondylitis (AS), proteoglycan was used to establish an AS mouse model. The mouse monocyte-macrophages were cultured in vitro, transfected with miR-212-3p mimic, and added with phosphorylated-extracellular signal-regulated kinase (p-ERK)1/2 agonist Ro67-7476 in vitro. After the cells were transfected with the miR-212-3p mimic in each group, the expressions of p-ERK1/2, matrix metalloproteinase-1 (MMP-1), MMP-3, interleukin-1β (IL-1β), and tumor necrosis factor-α (TNF-α) significantly declined, whereas those of tartrate-resistant acid phosphatase (TRAP), calcitonin, and p-nuclear factor of activated T cell 1 (NFATC1) significantly rose. After Ro67-7476 was added, the protein expressions of p-ERK1/2, MMP-1, MMP-3, IL-1β, and TNF-α were significantly increased in each group, but they displayed decreasing trends in cells transfected with the miR-212-3p mimic. In contrast, the protein expressions of TRAP, calcitonin, and p-NFATC1 declined, but they showed increasing trends in cells transfected with the miR-212-3p mimic. miR-212-3p can, through inhibiting the phosphorylation of p-ERK1/2, prevent the aggregation of macrophages and the secretion of inflammatory factors. It also up-regulates the expression of OC marker proteins to facilitate the differentiation and maturation of OCs, ultimately relieving AS-induced inflammation and new bone growth-induced joint neoplasm.
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Affiliation(s)
- Jianli Xie
- Department of Rheumatic Immunology, The Third Hospital of Hebei Medical University, Shijiazhuang, China
| | - Jinrong Xu
- Department of Rheumatic Immunology, The Third Hospital of Hebei Medical University, Shijiazhuang, China
| | - Haiying Chen
- Department of Rheumatic Immunology, The Third Hospital of Hebei Medical University, Shijiazhuang, China
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3
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Bilski J, Schramm-Luc A, Szczepanik M, Mazur-Biały AI, Bonior J, Luc K, Zawojska K, Szklarczyk J. Adipokines in Rheumatoid Arthritis: Emerging Biomarkers and Therapeutic Targets. Biomedicines 2023; 11:2998. [PMID: 38001998 PMCID: PMC10669400 DOI: 10.3390/biomedicines11112998] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/22/2023] [Revised: 11/05/2023] [Accepted: 11/06/2023] [Indexed: 11/26/2023] Open
Abstract
Rheumatoid arthritis (RA) is a chronic inflammatory disease manifested by joint involvement, extra-articular manifestations, and general symptoms. Adipose tissue, previously perceived as an inert energy storage organ, has been recognised as a significant contributor to RA pathophysiology. Adipokines modulate immune responses, inflammation, and metabolic pathways in RA. Although most adipokines have a pro-inflammatory and aggravating effect on RA, some could counteract this pathological process. The coexistence of RA and sarcopenic obesity (SO) has gained attention due to its impact on disease severity and outcomes. Sarcopenic obesity further contributes to the inflammatory milieu and metabolic disturbances. Recent research has highlighted the intricate crosstalk between adipose tissue and skeletal muscle, suggesting potential interactions between these tissues in RA. This review summarizes the roles of adipokines in RA, particularly in inflammation, immune modulation, and joint destruction. In addition, it explores the emerging role of adipomyokines, specifically irisin and myostatin, in the pathogenesis of RA and their potential as therapeutic targets. We discuss the therapeutic implications of targeting adipokines and adipomyokines in RA management and highlight the challenges and future directions for research in this field.
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Affiliation(s)
- Jan Bilski
- Department of Biomechanics and Kinesiology, Chair of Biomedical Sciences, Institute of Physiotherapy, Faculty of Health Sciences, Jagiellonian University Medical College, 31-008 Krakow, Poland; (A.I.M.-B.); (K.Z.)
| | - Agata Schramm-Luc
- Department of Internal and Agricultural Medicine, Faculty of Medicine, Jagiellonian University Medical College, 31-121 Krakow, Poland; (A.S.-L.); (K.L.)
| | - Marian Szczepanik
- Chair of Biomedical Sciences, Institute of Physiotherapy, Faculty of Health Sciences, Jagiellonian University Medical College, 31-034 Krakow, Poland;
| | - Agnieszka Irena Mazur-Biały
- Department of Biomechanics and Kinesiology, Chair of Biomedical Sciences, Institute of Physiotherapy, Faculty of Health Sciences, Jagiellonian University Medical College, 31-008 Krakow, Poland; (A.I.M.-B.); (K.Z.)
| | - Joanna Bonior
- Department of Medical Physiology, Chair of Biomedical Sciences, Institute of Physiotherapy, Faculty of Health Sciences, Jagiellonian University Medical College, 31-126 Krakow, Poland; (J.B.); (J.S.)
| | - Kevin Luc
- Department of Internal and Agricultural Medicine, Faculty of Medicine, Jagiellonian University Medical College, 31-121 Krakow, Poland; (A.S.-L.); (K.L.)
| | - Klaudia Zawojska
- Department of Biomechanics and Kinesiology, Chair of Biomedical Sciences, Institute of Physiotherapy, Faculty of Health Sciences, Jagiellonian University Medical College, 31-008 Krakow, Poland; (A.I.M.-B.); (K.Z.)
| | - Joanna Szklarczyk
- Department of Medical Physiology, Chair of Biomedical Sciences, Institute of Physiotherapy, Faculty of Health Sciences, Jagiellonian University Medical College, 31-126 Krakow, Poland; (J.B.); (J.S.)
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Fassio A, Atzeni F, Rossini M, D’Amico V, Cantatore F, Chimenti MS, Crotti C, Frediani B, Giusti A, Peluso G, Rovera G, Scolieri P, Raimondo V, Gatti D. Osteoimmunology of Spondyloarthritis. Int J Mol Sci 2023; 24:14924. [PMID: 37834372 PMCID: PMC10573470 DOI: 10.3390/ijms241914924] [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: 08/02/2023] [Revised: 09/15/2023] [Accepted: 09/26/2023] [Indexed: 10/15/2023] Open
Abstract
The mechanisms underlying the development of bone damage in the context of spondyloarthritis (SpA) are not completely understood. To date, a considerable amount of evidence indicates that several developmental pathways are crucially involved in osteoimmunology. The present review explores the biological mechanisms underlying the relationship between inflammatory dysregulation, structural progression, and osteoporosis in this diverse family of conditions. We summarize the current knowledge of bone biology and balance and the foundations of bone regulation, including bone morphogenetic protein, the Wnt pathway, and Hedgehog signaling, as well as the role of cytokines in the development of bone damage in SpA. Other areas surveyed include the pathobiology of bone damage and systemic bone loss (osteoporosis) in SpA and the effects of pharmacological treatment on focal bone damage. Lastly, we present data relative to a survey of bone metabolic assessment in SpA from Italian bone specialist rheumatology centers. The results confirm that most of the attention to bone health is given to postmenopausal subjects and that the aspect of metabolic bone health may still be underrepresented. In our opinion, it may be the time for a call to action to increase the interest in and focus on the diagnosis and management of SpA.
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Affiliation(s)
- Angelo Fassio
- Dipartimento di Medicina, Università di Verona, 37124 Verona, Italy; (M.R.); (D.G.)
| | - Fabiola Atzeni
- Unità Operativa Complessa di Reumatologia Azienda Ospedaliero Universitaria Policlinico “G. Martino” di Messina, 35128 Messina, Italy; (F.A.); (V.D.)
| | - Maurizio Rossini
- Dipartimento di Medicina, Università di Verona, 37124 Verona, Italy; (M.R.); (D.G.)
| | - Valeria D’Amico
- Unità Operativa Complessa di Reumatologia Azienda Ospedaliero Universitaria Policlinico “G. Martino” di Messina, 35128 Messina, Italy; (F.A.); (V.D.)
| | - Francesco Cantatore
- Unità Operativa Complessa di Reumatologia Universitaria, Polic. “Riuniti” di Foggia, 71122 Foggia, Italy;
| | - Maria Sole Chimenti
- Dipartimento di Medicina dei Sistemi, Reumatologia, Allergologia e Immunologia Clinica Università di Roma Tor Vergata, 00133 Rome, Italy;
| | - Chiara Crotti
- UOC Osteoporosi e Malattie Metaboliche dell’Osso Dipartimento di Reumatologia e Scienze Mediche ASST-G. Pini-CTO, 20122 Milan, Italy;
| | - Bruno Frediani
- Department of Medical, Surgical and Neuroscience Sciences, Rheumatology University of Siena, 53100 Siena, Italy;
| | - Andrea Giusti
- SSD Malattie Reumatologiche e del Metabolismo Osseo, Dipartimento delle Specialità Mediche, ASL3, 16132 Genova, Italy;
| | - Giusy Peluso
- UOC di Reumatologia-Fondazione Policlinico Universitario Agostino Gemelli-IRCSS, 00168 Rome, Italy;
| | - Guido Rovera
- Ospedale S. Andrea, Divisione Reumatologia, 13100 Vercelli, Italy;
| | - Palma Scolieri
- Ambulatorio di Reumatologia Ospedale Nuovo Regina Margherita ASL ROMA1, 00153 Rome, Italy;
| | | | - Davide Gatti
- Dipartimento di Medicina, Università di Verona, 37124 Verona, Italy; (M.R.); (D.G.)
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Shen D, Wang Z, Wang H, Zhu H, Jiang C, Xie F, Zhang H, Lv Q, Liu Q, Qi N, Wang H. Evaluation of preclinical efficacy of human umbilical cord mesenchymal stem cells in ankylosing spondylitis. Front Immunol 2023; 14:1153927. [PMID: 37063838 PMCID: PMC10101200 DOI: 10.3389/fimmu.2023.1153927] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/30/2023] [Accepted: 03/20/2023] [Indexed: 03/31/2023] Open
Abstract
ObjectiveUmbilical cord mesenchymal stem cells (UCMSCs) have significant regenerative, tissue repair, and immunomodulatory properties that can help reduce inflammatory responses in patients with ankylosing spondylitis (AS). In this study, we used a combination of bovine proteoglycan and dimethyldioctadecylammonium (DDA) to establish a mouse model of proteoglycan-induced spondylitis (PGISp). To evaluate the therapeutic effects of UCMSCs, we treated PGISp mice with different doses of hUCMSCs via tail vein injection.MethodsAt week 13, the PGISp mice exhibited thickened, erythematous paws, erythema in the extremities, and lameness. CT scans revealed necrotic lysis of chondrocytes, formation of fissures, visible hemorrhage, connective tissue hyperplasia, and focal infiltration of lymphocytes in the intervertebral discs. At week 14, the PGISp mice were randomly divided into three groups and administered different doses of hUCMSCs (0.25, 0.5, and 1.0×107 cells/kg, iv, QOW×2, n=10). To assess the therapeutic effects of hUCMSCs, we evaluated Th cell subsets in the spleen, spleen and thymus coefficients, peripheral blood inflammatory factors, and pathological and imaging observations of the spines and lumbar spines in the PGISp mice.ResultsThe results demonstrated that injection of hUCMSCs shifted the balance axis between Th1 and Th2 cells in the spleen towards Th2 cells. Moreover, the spleen coefficient and levels of inflammatory cytokines (TNF-α and CCL-2) in the serum decreased after hUCMSC injection. CT imaging and pathological analysis indicated that hUCMSC treatment inhibited ectopic osteogenesis and maintained clear small joint gaps, which slowed down the progression of structural lesions in the disc, nucleus pulposus, fibrous ring, and cartilage in PGISp mice.ConclusionAdministering hUCMSCs at the 14th week after modeling proved to be an effective treatment for PGISp mice. This experiment offers a valuable reference for the pre-clinical use of hUCMSCs in the treatment of AS.
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Affiliation(s)
| | | | | | | | | | | | | | | | | | - Nianmin Qi
- *Correspondence: Nianmin Qi, ; Hao Wang,
| | - Hao Wang
- *Correspondence: Nianmin Qi, ; Hao Wang,
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Ding MH, Xu PG, Wang Y, Ren BD, Zhang JL. Resveratrol Attenuates Ankylosing Spondylitis in Mice by Inhibiting the TLR4/NF-κB/NLRP3 Pathway and Regulating Gut Microbiota. Immunol Invest 2023; 52:194-209. [PMID: 36548483 DOI: 10.1080/08820139.2022.2154162] [Citation(s) in RCA: 3] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/24/2022]
Abstract
Ankylosing spondylitis (AS) is an autoimmune disease associated with disturbed gut microbiota. Currently, the treatments and outcomes of AS are not satisfactory. It is reported that resveratrol (RES) is a major phytoalexin with anti-inflammatory, antibacterial and some other pharmacological effects. However, there are no studies on the role of RES in AS. Therefore, this study aimed to explore the effect and mechanism of RES on AS. Proteoglycan and complete freund's adjuvant were used to conduct an AS mouse model, and then the AS mice were gavaged with RES (20 mg/kg and 50 mg/kg) daily for 4 weeks. Subsequently, the effect of RES on AS mice was assessed by detecting disease severity, inflammatory cytokines, NLRP3 inflammasome, TLR4/NF-κB pathway, intestinal mucosal barrier function, intestinal microbial barrier function. The assessment results indicated that RES could significantly relieve progression and severity of AS, inhibit the expression of pro-inflammatory cytokines (tumor necrosis factor-α, interleukin-6, interleukin-17A, interferon-γ), and promote the expression of anti-inflammatory cytokines (interleukin-4). RES intervention caused the inhibition of NLRP3 inflammasome and TLR4/NF-κB pathway. In terms of intestinal barrier function, experimental results found RES increased zonula occludens-1 and occludin expression, and additionally, changed the composition of the gut microbiota by increasing levels of Lactobacillus and Bifidobacterium and reducing levels of Enterococcus faecalis and Escherichia coli. Collectively, RES protects PG-induced AS mice by inhibiting inflammatory responses and TLR4/NF-κB/NLRP3 pathway, restoring intestinal mucosal barrier function, and regulating the composition of the gut microbiota. In other words, RES is a potential candidate for the treatment of AS.
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Affiliation(s)
- Ming-Hui Ding
- The Seventh Department of Rheumatology, Xi'an No.5 Hospital, Xi'an, China
| | - Peng-Gang Xu
- The Seventh Department of Rheumatology, Xi'an No.5 Hospital, Xi'an, China
| | - Ying Wang
- The Eighth Department of Rheumatology, Xi'an No.5 Hospital, Xi'an, China
| | - Bao-di Ren
- The Seventh Department of Rheumatology, Xi'an No.5 Hospital, Xi'an, China
| | - Jun-Li Zhang
- The Seventh Department of Rheumatology, Xi'an No.5 Hospital, Xi'an, China
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Shen J, Yang L, You K, Chen T, Su Z, Cui Z, Wang M, Zhang W, Liu B, Zhou K, Lu H. Indole-3-Acetic Acid Alters Intestinal Microbiota and Alleviates Ankylosing Spondylitis in Mice. Front Immunol 2022; 13:762580. [PMID: 35185872 PMCID: PMC8854167 DOI: 10.3389/fimmu.2022.762580] [Citation(s) in RCA: 42] [Impact Index Per Article: 21.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/22/2021] [Accepted: 01/14/2022] [Indexed: 12/24/2022] Open
Abstract
Ankylosing spondylitis (AS) is a systemic, chronic, and inflammatory autoimmune disease associated with the disorder of intestinal microbiota. Unfortunately, effective therapies for AS are lacking. Recent evidence has indicated that indole-3-acetic acid (IAA), an important microbial tryptophan metabolite, can modulate intestinal homeostasis and suppress inflammatory responses. However, reports have not examined the in vivo protective effects of IAA against AS. In this study, we investigated the protective effects and underlying mechanisms through which IAA acts against AS. We constructed a proteoglycan (PG)-induced AS mouse model and administered IAA (50 mg/kg body weight) by intraperitoneal injection daily for 4 weeks. The effects of IAA on AS mice were evaluated by examining disease severity, intestinal barrier function, aryl hydrocarbon receptor (AhR) pathway, T-helper 17 (Th17)/T regulatory (Treg) balance, and inflammatory cytokine levels. The intestinal microbiota compositions were profiled through whole-genome sequencing. We observed that IAA decreased the incidence and severity of AS in mice, inhibited the production of pro-inflammatory cytokines (tumor necrosis factor α [TNF-α], interleukin [IL]-6, IL-17A, and IL-23), promoted the production of the anti-inflammatory cytokine IL-10, and reduced the ratios of pro-/anti- inflammatory cytokines. IAA ameliorated pathological changes in the ileum and improved intestinal mucosal barrier function. IAA also activated the AhR pathway, upregulated the transcription factor forehead box protein P3 (FoxP3) and increased Treg cells, and downregulated the transcription factors retinoic acid receptor–related orphan receptor gamma t (RORγt) and signal transducer and activator of transcription 3 (STAT3) and decreased Th17 cells. Furthermore, IAA altered the composition of the intestinal microbiota composition by increasing Bacteroides and decreasing Proteobacteria and Firmicutes, in addition to increasing the abundances of Bifidobacterium pseudolongum and Mucispirillum schaedleri. In conclusion, IAA exerted several protective effects against PG-induced AS in mice, which was mediated by the restoration of balance among the intestinal microbial community, activating the AhR pathway, and inhibiting inflammation. IAA might represent a novel therapeutic approach for AS.
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Affiliation(s)
- Jun Shen
- Department of Spine Surgery, The Fifth Affiliated Hospital, Sun Yat-sen University, Zhuhai, China
| | - Lianjun Yang
- Department of Spine Surgery, The Fifth Affiliated Hospital, Sun Yat-sen University, Zhuhai, China
| | - Ke You
- Department of Spine Surgery, The Fifth Affiliated Hospital, Sun Yat-sen University, Zhuhai, China
| | - Tao Chen
- Department of Spine Surgery, The Fifth Affiliated Hospital, Sun Yat-sen University, Zhuhai, China
| | - Zhihai Su
- Department of Spine Surgery, The Fifth Affiliated Hospital, Sun Yat-sen University, Zhuhai, China
| | - Zhifei Cui
- Department of Spine Surgery, The Fifth Affiliated Hospital, Sun Yat-sen University, Zhuhai, China
| | - Min Wang
- Department of Spine Surgery, The Fifth Affiliated Hospital, Sun Yat-sen University, Zhuhai, China
| | - Weicong Zhang
- Department of Spine Surgery, The Fifth Affiliated Hospital, Sun Yat-sen University, Zhuhai, China
| | - Bin Liu
- Department of Spine Surgery, The Fifth Affiliated Hospital, Sun Yat-sen University, Zhuhai, China
| | - Kai Zhou
- Shenzhen Institute of Respiratory Diseases, Second Clinical Medical College (Shenzhen People’s Hospital), Jinan University, First Affiliated Hospital (Shenzhen People’s Hospital), Southern University of Science and Technology, Shenzhen, China
| | - Hai Lu
- Department of Spine Surgery, The Fifth Affiliated Hospital, Sun Yat-sen University, Zhuhai, China
- *Correspondence: Hai Lu,
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Romero-López JP, Elewaut D, Pacheco-Tena C, Burgos-Vargas R. Inflammatory Foot Involvement in Spondyloarthritis: From Tarsitis to Ankylosing Tarsitis. Front Med (Lausanne) 2021; 8:730273. [PMID: 34692724 PMCID: PMC8531414 DOI: 10.3389/fmed.2021.730273] [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: 06/24/2021] [Accepted: 09/06/2021] [Indexed: 11/13/2022] Open
Abstract
Spondyloarthritis (SpA) is a group that includes a wide spectrum of clinically similar diseases manifested by oligoarticular arthritis and axial or peripheral ankylosis. Although axial SpA is predominant in Caucasians and adult-onset patients, juvenile-onset and Latin American patients are characterized by severe peripheral arthritis and particularly foot involvement. The peripheral involvement of SpA can vary from tarsal arthritis to the most severe form named ankylosing tarsitis (AT). Although the cause and etiopathogenesis of axSpA are often studied, the specific characteristics of pSpA are unknown. Several animal models of SpA develop initial tarsitis and foot ankylosis as the main signs, emphasizing the role of foot inflammation in the overall SpA spectrum. In this review, we attempt to highlight the clinical characteristics of foot involvement in SpA and update the knowledge regarding its pathogenesis, focusing on animal models and the role of mechanical forces in inflammation.
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Affiliation(s)
- José Pablo Romero-López
- Laboratorio A4, Carrera de Médico Cirujano, Facultad de Estudios Superiores Iztacala, Universidad Nacional Autónoma de México, Tlalnepantla de Baz, Mexico
- Laboratorio de Inmunología Clínica 1, Posgrado en Ciencias Quimicobiológicas, Escuela Nacional de Ciencias Biológicas, Instituto Politécnico Nacional de México, Ciudad de México, Mexico
| | - Dirk Elewaut
- Ghent University Hospital, Ghent University, Ghent, Belgium
| | - César Pacheco-Tena
- Facultad de Medicina, Universidad Autónoma de Chihuahua, Chihuahua, Mexico
| | - Rubén Burgos-Vargas
- Department of Rheumatology, Hospital General de México, “Dr. Eduardo Liceaga”, Ciudad de México, Mexico
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Ma M, Li H, Wang P, Yang W, Mi R, Zhuang J, Jiang Y, Lu Y, Shen X, Wu Y, Shen H. ATF6 aggravates angiogenesis-osteogenesis coupling during ankylosing spondylitis by mediating FGF2 expression in chondrocytes. iScience 2021; 24:102791. [PMID: 34296071 PMCID: PMC8281657 DOI: 10.1016/j.isci.2021.102791] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/02/2020] [Revised: 04/30/2021] [Accepted: 06/24/2021] [Indexed: 01/02/2023] Open
Abstract
Although angiogenesis-osteogenesis coupling is important in ankylosing spondylitis (AS), therapeutic agents targeting the vasculature remain elusive. Here, we identified activating transcription factor 6 (ATF6) as an important regulator of angiogenesis in the pathogenesis of AS. First, we found that ATF6 and fibroblast growth factor 2 (FGF2) levels were higher in SKG mice and in cartilage of pateints with AS1. The proangiogenic activity of human chondrocytes was enhanced by the activation of the ATF6-FGF2 axis following 7 days of stimulation with inflammatory factors, e.g., tumor necrosis factor alpha (TNF-α), interferon-γ (IFN-γ) or interleukin-17 (IL-17). Mechanistically, ATF6 interacted with the FGF2 promotor and promoted its transcription. Treatment with the ATF6 inhibitor Ceapin-A7 inhibited angiogenesis in vitro and angiogenesis-osteogenesis coupling in vivo. ATF6 may aggravate angiogenesis-osteogenesis coupling during AS by mediating FGF2 transcription in chondrocytes, implying that ATF6 represents a promising therapeutic target for AS.
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Affiliation(s)
- Mengjun Ma
- Department of Orthopedics, The Eighth Affiliated Hospital of Sun Yat-sen University, Shenzhen 518003, China
| | - Hongyu Li
- Department of Orthopedics, The Eighth Affiliated Hospital of Sun Yat-sen University, Shenzhen 518003, China
| | - Peng Wang
- Department of Orthopedics, The Eighth Affiliated Hospital of Sun Yat-sen University, Shenzhen 518003, China
| | - Wen Yang
- Department of Orthopedics, The Eighth Affiliated Hospital of Sun Yat-sen University, Shenzhen 518003, China
| | - Rujia Mi
- Center for Biotherapy, The Eighth Affiliated Hospital of Sun Yat-sen University, Shenzhen 518003, China
| | - Jiahao Zhuang
- Department of Orthopedics, The Eighth Affiliated Hospital of Sun Yat-sen University, Shenzhen 518003, China
| | - Yuhang Jiang
- Department of Orthopedics, The Eighth Affiliated Hospital of Sun Yat-sen University, Shenzhen 518003, China
| | - Yixuan Lu
- Center for Biotherapy, The Eighth Affiliated Hospital of Sun Yat-sen University, Shenzhen 518003, China
| | - Xin Shen
- Department of Orthopedics, The Eighth Affiliated Hospital of Sun Yat-sen University, Shenzhen 518003, China
| | - Yanfeng Wu
- Center for Biotherapy, The Eighth Affiliated Hospital of Sun Yat-sen University, Shenzhen 518003, China
| | - Huiyong Shen
- Department of Orthopedics, The Eighth Affiliated Hospital of Sun Yat-sen University, Shenzhen 518003, China
- Department of Orthopedics, Sun Yat-sen Memorial Hospital, Sun Yat-sen University, Guangzhou 510000, China
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10
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Zhang Z, Zeng J, Li Y, Liao Q, Huang D, Zou Y, Liu G. Tail suspension delays ectopic ossification in proteoglycan-induced ankylosing spondylitis in mice via miR-103/DKK1. Exp Ther Med 2021; 22:965. [PMID: 34335907 PMCID: PMC8290398 DOI: 10.3892/etm.2021.10397] [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: 10/14/2020] [Accepted: 06/15/2021] [Indexed: 11/14/2022] Open
Abstract
Ankylosing spondylitis (AS), characterized by inflammatory lesions and osteophyte formation, is a common immune rheumatic disease affecting the sacroiliac and axial joints. A high-intensity mechanical load is known to accelerate the heterotopic ossification associated with enthesitis in AS. Thus, the present study explored whether decreased mechanical load could delay the heterotopic ossification in AS. First, 24-week-old female BALB/c mice were induced with proteoglycan (PG) to establish an AS model. The AS-induced pathological and bone morphological changes of the sacroiliac joint were confirmed by hematoxylin and eosin staining and microCT analysis, respectively. Subsequently, the mice were treated with interventions of different mechanical loads. Using reverse transcription-quantitative PCR, it was revealed that expression levels of the osteogenesis-related genes bone morphogenetic protein-2, runt-related transcription factor 2 and osteocalcin were significantly reduced in sacroiliac bone tissue after intervention with a reduced mechanical load. The level of mechanosensory microRNA (miR)-103 increased in response to reduced mechanical loads. Consistently, in groups with reduced mechanical load, proteins with mechanical functions, including ρ-associated coiled-coil-containing protein kinase 1 (ROCK1), phosphorylated (p)-Erk1/2 and β-catenin, were reduced compared with the PG control. A dual-luciferase assay verified that miR-103 binds to the 3'-untranslated region end of Rock1 mRNA, thus negatively regulating the activity of Rock1 and affecting pathological ossification during AS. However, immunohistochemical staining indicated that the expression of dickkopf Wnt signaling pathway inhibitor 1, an inhibitor of the Wnt/β-catenin pathway, was increased in sacroiliac tissues. The results indicated that tail suspension decreased the mechanical load, thus reducing the bone formation in AS mice. Furthermore, tail suspension could inhibit the activation of mechanical kinase ROCK1 and p-Erk1/2 in the MAPK signaling pathway by upregulating miR-103, thereby inhibiting the classical osteogenesis-related Wnt/β-catenin pathway in AS. In summary, the present study uncovered the ameliorative effect of suspension on AS and its therapeutic potential for AS.
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Affiliation(s)
- Zhenzhen Zhang
- Department of Rehabilitation Medicine, The Third Affiliated Hospital of Southern Medical University, Guangzhou, Guangdong 510000, P.R. China.,Department of Rehabilitation Medicine, Nanfang Hospital, Southern Medical University, Guangzhou, Guangdong 510515, P.R. China.,Department of Rehabilitation, Hankou Hospital, Wuhan, Hubei 430015, P.R. China
| | - Jing Zeng
- Department of Rehabilitation Medicine, The Third Affiliated Hospital of Southern Medical University, Guangzhou, Guangdong 510000, P.R. China
| | - Yang Li
- Department of Rehabilitation Medicine, The Third Affiliated Hospital of Southern Medical University, Guangzhou, Guangdong 510000, P.R. China
| | - Qing Liao
- Department of Rehabilitation Medicine, The Third Affiliated Hospital of Southern Medical University, Guangzhou, Guangdong 510000, P.R. China
| | - Dongdong Huang
- Department of Rehabilitation Medicine, The Third Affiliated Hospital of Southern Medical University, Guangzhou, Guangdong 510000, P.R. China
| | - Yucong Zou
- Department of Rehabilitation Medicine, The Third Affiliated Hospital of Southern Medical University, Guangzhou, Guangdong 510000, P.R. China
| | - Gang Liu
- Department of Rehabilitation Medicine, The Third Affiliated Hospital of Southern Medical University, Guangzhou, Guangdong 510000, P.R. China.,Department of Rehabilitation Medicine, Nanfang Hospital, Southern Medical University, Guangzhou, Guangdong 510515, P.R. China
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11
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Zhang SL, Chen ZH, Lin DT, Yan Q, Gao F, Lin H. Epigallocatechin gallate regulates inflammatory responses and new bone formation through Wnt/β-Catenin/COX-2 pathway in spondyloarthritis. Int Immunopharmacol 2021; 98:107869. [PMID: 34153673 DOI: 10.1016/j.intimp.2021.107869] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/14/2021] [Revised: 05/24/2021] [Accepted: 06/06/2021] [Indexed: 01/18/2023]
Abstract
OBJECTIVE Spondyloarthritis (SpA) is mainly characterized by bone erosion, new bone formation, inflammation and potential disability. Epigallocatechin gallate (EGCG) has been proved to be closely related with the regulation of inflammation and bone metabolism. However, whether EGCG could improve SpA remains unclear. METHODS SpA animal model was established using proteoglycan. Cell proliferation were measured by CCK-8 assay. The mRNA expression levels of genes were detected using qRT-PCR, protein levels were assessed via western blotting and immunohistochemistry. ELISA assay was performed to examined the inflammatory cytokine release. Lesions in spine cartilage tissues were observed using hematoxylin-eosin (HE) and Safranin O staining. Alkaline phosphatase (ALP) assay and Alizarin Red S staining was used to investigate osteoblast mineralization. RESULTS We found that EGCG could inhibit inflammation and new bone formation in SpA mice. Besides, inflammatory factor expression and osteogenic differentiation in osteoblasts isolated from SpA mice were also decreased by EGCG. Further, EGCG treatment suppressed the activation of Wnt/β-Catenin/COX-2 pathway and the activator of this pathway partially reversed the effects of EGCG on inflammation and osteoblast differentiation. CONCLUSIONS EGCG repressed inflammatory responses and new bone formation, and further improved SpA through Wnt/β-Catenin/COX-2 pathway. Our findings may provide a new thought for the prevention and treatment of SpA.
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Affiliation(s)
- Sheng-Li Zhang
- Department of Rheumatology, Fujian Provincial Hospital, Fuzhou 350001, Fujian Province, PR China; Department of Rheumatology, Shengli Clinical Medical College of Fujian Medical University, Fuzhou 350001, Fujian Province, PR China.
| | - Zhi-Han Chen
- Department of Rheumatology, Fujian Provincial Hospital, Fuzhou 350001, Fujian Province, PR China; Department of Rheumatology, Shengli Clinical Medical College of Fujian Medical University, Fuzhou 350001, Fujian Province, PR China
| | - Dian-Tian Lin
- Department of Rheumatology, Fujian Provincial Hospital, Fuzhou 350001, Fujian Province, PR China; Department of Rheumatology, Shengli Clinical Medical College of Fujian Medical University, Fuzhou 350001, Fujian Province, PR China
| | - Qing Yan
- Department of Rheumatology, Fujian Provincial Hospital, Fuzhou 350001, Fujian Province, PR China; Department of Rheumatology, Shengli Clinical Medical College of Fujian Medical University, Fuzhou 350001, Fujian Province, PR China
| | - Fei Gao
- Department of Rheumatology, Fujian Provincial Hospital, Fuzhou 350001, Fujian Province, PR China; Department of Rheumatology, Shengli Clinical Medical College of Fujian Medical University, Fuzhou 350001, Fujian Province, PR China
| | - He Lin
- Department of Rheumatology, Fujian Provincial Hospital, Fuzhou 350001, Fujian Province, PR China; Department of Rheumatology, Shengli Clinical Medical College of Fujian Medical University, Fuzhou 350001, Fujian Province, PR China
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12
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Bertoldo E, Adami G, Rossini M, Giollo A, Orsolini G, Viapiana O, Gatti D, Fassio A. The Emerging Roles of Endocrine Hormones in Different Arthritic Disorders. Front Endocrinol (Lausanne) 2021; 12:620920. [PMID: 34093428 PMCID: PMC8177688 DOI: 10.3389/fendo.2021.620920] [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] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 10/24/2020] [Accepted: 04/20/2021] [Indexed: 12/17/2022] Open
Abstract
The relationship between endocrine hormones and the spectrum of rheumatic conditions has long been discussed in the literature, focusing primarily on sexual hormones, such as estrogens, androgens, prolactin (PRL). Estrogens are indeed involved in the pathogenesis of the main inflammatory arthritis thanks to their effects on the immune system, both stimulatory and inhibitory. The PRL system has been discovered in synovial tissue of rheumatoid arthritis (RA) and psoriatic arthritis (PsA), patients and has been propose as a new potential therapeutic target. Besides sexual hormones, in the last years scientific interest about the crosstalk of immune system with other class of hormones has grown. Hormones acting on the bone tissue (i.e. parathyroid hormone, vitamin D) and modulators of the Wnt pathway (i.e. Dickkopf-1) have been demonstrated to play active role in inflammatory arthritis course, defining a new field of research named osteoimmunology. PTH, which is one of the main determinants of Dkkopf-1, plays a crucial role in bone erosions in RA and a correlation between PTH, Trabecular Bone Score (TBS) and disease activity has been found in ankylosing spondylitis (AS). In PSA is under studying the interaction among IL-17 and bone metabolism. The purpose of this review is to discuss and summarize the recent data about the interaction between endocrine hormone and immune system in the main rheumatic disorders, covering in particular the role of bone-related hormones and cytokines. We will describe this relationship from a biochemical, diagnostic and therapeutic perspective, with a particular focus on RA, PsA and AS.
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Affiliation(s)
- Eugenia Bertoldo
- Rheumatology Unit, Department of Medicine, University of Verona, Verona, Italy
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13
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Bone phenotypes in rheumatology - there is more to bone than just bone. BMC Musculoskelet Disord 2020; 21:789. [PMID: 33248451 PMCID: PMC7700716 DOI: 10.1186/s12891-020-03804-2] [Citation(s) in RCA: 21] [Impact Index Per Article: 5.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 07/06/2020] [Accepted: 11/17/2020] [Indexed: 12/14/2022] Open
Abstract
Osteoarthritis, rheumatoid arthritis, psoriatic arthritis, and ankylosing spondylitis, all have one clear common denominator; an altered turnover of bone. However, this may be more complex than a simple change in bone matrix and mineral turnover. While these diseases share a common tissue axis, their manifestations in the area of pathology are highly diverse, ranging from sclerosis to erosion of bone in different regions. The management of these diseases will benefit from a deeper understanding of the local versus systemic effects, the relation to the equilibrium of the bone balance (i.e., bone formation versus bone resorption), and the physiological and pathophysiological phenotypes of the cells involved (e.g., osteoblasts, osteoclasts, osteocytes and chondrocytes). For example, the process of endochondral bone formation in chondrocytes occurs exists during skeletal development and healthy conditions, but also in pathological conditions. This review focuses on the complex molecular and cellular taxonomy of bone in the context of rheumatological diseases that alter bone matrix composition and maintenance, giving rise to different bone turnover phenotypes, and how biomarkers (biochemical markers) can be applied to potentially describe specific bone phenotypic tissue profiles.
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14
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Punicalagin Exerts Protective Effects against Ankylosing Spondylitis by Regulating NF- κB-TH17/JAK2/STAT3 Signaling and Oxidative Stress. BIOMED RESEARCH INTERNATIONAL 2020; 2020:4918239. [PMID: 33029510 PMCID: PMC7532417 DOI: 10.1155/2020/4918239] [Citation(s) in RCA: 16] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 05/26/2020] [Revised: 07/17/2020] [Accepted: 08/12/2020] [Indexed: 12/29/2022]
Abstract
Background Ankylosing spondylitis (AS) is a chronic inflammatory disease characterized by sacroiliitis and spinal rigidity of the axial joints. The role of oxidative stress and increased proinflammatory cytokines is well documented in AS pathogenesis. Punicalagin (2,3-hexahydroxydiphenoyl-gallagyl-D-glucose), an ellagitannin widely present in pomegranates, is found to exhibit potent anti-inflammatory, antiproliferative, and antioxidative effects. The present study was undertaken to investigate the effects of punicalagin in a rodent model of AS. Methods BALB/c mice induced spondylitis were sacrificed 24 h after the last injection of proteoglycan extract. Histological scoring was done to assess the degree of the disease. The expression of JAK2/STAT3 proteins and proteins of the nuclear factor-κB (NF-κB) pathway was determined by immunoblotting. Serum levels of inflammatory mediators—TNF-α, IL-1β, IL-6, IL-17A, and IL-23—were assessed. Levels of lipid peroxidation and reactive oxygen species (ROS) were quantified. Antioxidant status as a measure of activities of antioxidant enzymes—catalase (CAT), glutathione peroxidase (GPx), and superoxide dismutase (SOD)—was determined. Results Punicalagin effectively improved antioxidant status and decreased lipid peroxidation, ROS production, and serum levels of inflammatory mediators. NF-κB pathway and JAK2/STAT3 signaling were significantly (p < 0.05) downregulated. Punicalagin effectively regulated the production of cytokines by the Th17 cells and the IL-17A/IL-23 axis. Conclusion The observations suggest that punicalagin exerts a protective role in AS via reducing oxidative stress and regulating NF-κB/TH17/JAK2/STAT3 signal. Punicalagin thus could be explored further as a potent candidate compound in the treatment of AS.
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Liu R, Zhang X, Jiang G, Ma Y, Yang J, Wu M, Han R, Chen M, Yuan Y, Hu X, Pan M, Xu S, Xu J, Shuai Z, Zou Y, Pan G, Pan F. Gene-gene interaction and association of Wnt/Β-catenin signalling pathway gene polymorphisms with ankylosing spondylitis susceptibility in the Chinese Han population. Autoimmunity 2019; 52:281-288. [PMID: 31656088 DOI: 10.1080/08916934.2019.1681984] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/25/2022]
Abstract
Objectives: To explore the genetic interaction between Wnt/β-catenin signalling pathway genes and ankylosing spondylitis (AS) in the Chinese population.Methods: Six single-nucleotide polymorphisms (SNPs) in DKK1, LRP5, LRP6, and SOST genes were genotyped in 673 AS patients and 687 healthy controls by using SNPs can Technic. Single marker genetic association analysis was performed. Haplotypes were constructed after linkage disequilibrium analysis; additive, multiplicative, and higher-order interactions were analysed.Results: The DKK1 gene rs1569198 polymorphism was significantly associated with AS susceptibility in females (χ2 = 4.55, p = .03), but the association disappeared after Bonferroni correction. Moreover, a haplotype (T-G) in the DKK1 gene showed a protective role in AS susceptibility in females (p = .04). Significant additive interactions were observed between DKK1: rs1896368 and LRP5: rs3736228, relative excess risk due to interaction (RERI) = 0.40, 95% CI = 0.08 - 0.71; attributable proportion due to interaction (AP) = 51%, 95% CI = 0.07 - 0.94, DKK1: rs1569198 and LRP5: rs3736228 (RERI = 0.49, 95% CI = 0.12 - 0.86; AP = 49%, 95% CI = 0.17 - 0.82), LRP5: rs3736228 and SOST: rs4792909 (RERI = 0.33, 95% CI = 0.002 - 0.65; AP = 41%, 95% CI = 0.01 - 0.81) in the dominant model.Conclusions: Our research implies a potential gene-gene interaction, thus revealing the importance of the Wnt/β-catenin signalling pathway for understanding the genetic architecture of AS.
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Affiliation(s)
- Rui Liu
- Department of Epidemiology and Biostatistics, School of Public Health, Anhui Medical University, Hefei, Anhui, China.,Department of Medical Administration, The Second Affiliated Hospital of Anhui Medical University, Hefei, Anhui, China.,The Key Laboratory of Major Autoimmune Diseases, Anhui Medical University, Hefei, Anhui, China
| | - Xu Zhang
- Department of Epidemiology and Biostatistics, School of Public Health, Anhui Medical University, Hefei, Anhui, China.,The Key Laboratory of Major Autoimmune Diseases, Anhui Medical University, Hefei, Anhui, China
| | - Guangming Jiang
- Department of Epidemiology and Biostatistics, School of Public Health, Anhui Medical University, Hefei, Anhui, China.,The Key Laboratory of Major Autoimmune Diseases, Anhui Medical University, Hefei, Anhui, China
| | - Yubo Ma
- Department of Epidemiology and Biostatistics, School of Public Health, Anhui Medical University, Hefei, Anhui, China.,The Key Laboratory of Major Autoimmune Diseases, Anhui Medical University, Hefei, Anhui, China
| | - Jiajia Yang
- Department of Epidemiology and Biostatistics, School of Public Health, Anhui Medical University, Hefei, Anhui, China.,The Key Laboratory of Major Autoimmune Diseases, Anhui Medical University, Hefei, Anhui, China
| | - Meng Wu
- Department of Epidemiology and Biostatistics, School of Public Health, Anhui Medical University, Hefei, Anhui, China.,The Key Laboratory of Major Autoimmune Diseases, Anhui Medical University, Hefei, Anhui, China
| | - Renfang Han
- Department of Epidemiology and Biostatistics, School of Public Health, Anhui Medical University, Hefei, Anhui, China.,The Key Laboratory of Major Autoimmune Diseases, Anhui Medical University, Hefei, Anhui, China
| | - Mengya Chen
- Department of Epidemiology and Biostatistics, School of Public Health, Anhui Medical University, Hefei, Anhui, China.,The Key Laboratory of Major Autoimmune Diseases, Anhui Medical University, Hefei, Anhui, China
| | - Yaping Yuan
- Department of Epidemiology and Biostatistics, School of Public Health, Anhui Medical University, Hefei, Anhui, China.,The Key Laboratory of Major Autoimmune Diseases, Anhui Medical University, Hefei, Anhui, China
| | - Xingxing Hu
- Department of Epidemiology and Biostatistics, School of Public Health, Anhui Medical University, Hefei, Anhui, China.,The Key Laboratory of Major Autoimmune Diseases, Anhui Medical University, Hefei, Anhui, China
| | - Meijuan Pan
- Department of Rheumatism and Immunity, The First Affiliated Hospital of Anhui Medical University, Hefei, Anhui, China
| | - Shengqian Xu
- Department of Rheumatism and Immunity, The First Affiliated Hospital of Anhui Medical University, Hefei, Anhui, China
| | - Jianhua Xu
- Department of Rheumatism and Immunity, The First Affiliated Hospital of Anhui Medical University, Hefei, Anhui, China
| | - Zongwen Shuai
- Department of Rheumatism and Immunity, The First Affiliated Hospital of Anhui Medical University, Hefei, Anhui, China
| | - Yanfeng Zou
- Department of Epidemiology and Biostatistics, School of Public Health, Anhui Medical University, Hefei, Anhui, China.,The Key Laboratory of Major Autoimmune Diseases, Anhui Medical University, Hefei, Anhui, China
| | - Guixia Pan
- Department of Epidemiology and Biostatistics, School of Public Health, Anhui Medical University, Hefei, Anhui, China.,The Key Laboratory of Major Autoimmune Diseases, Anhui Medical University, Hefei, Anhui, China
| | - Faming Pan
- Department of Epidemiology and Biostatistics, School of Public Health, Anhui Medical University, Hefei, Anhui, China.,The Key Laboratory of Major Autoimmune Diseases, Anhui Medical University, Hefei, Anhui, China
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16
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The Adipokine Network in Rheumatic Joint Diseases. Int J Mol Sci 2019; 20:ijms20174091. [PMID: 31443349 PMCID: PMC6747092 DOI: 10.3390/ijms20174091] [Citation(s) in RCA: 63] [Impact Index Per Article: 12.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/31/2019] [Revised: 08/18/2019] [Accepted: 08/19/2019] [Indexed: 02/07/2023] Open
Abstract
Rheumatic diseases encompass a diverse group of chronic disorders that commonly affect musculoskeletal structures. Osteoarthritis (OA) and rheumatoid arthritis (RA) are the two most common, leading to considerable functional limitations and irreversible disability when patients are unsuccessfully treated. Although the specific causes of many rheumatic conditions remain unknown, it is generally accepted that immune mechanisms and/or uncontrolled inflammatory responses are involved in their etiology and symptomatology. In this regard, the bidirectional communication between neuroendocrine and immune system has been demonstrated to provide a homeostatic network that is involved in several pathological conditions. Adipokines represent a wide variety of bioactive, immune and inflammatory mediators mainly released by adipocytes that act as signal molecules in the neuroendocrine-immune interactions. Adipokines can also be synthesized by synoviocytes, osteoclasts, osteoblasts, chondrocytes and inflammatory cells in the joint microenvironment, showing potent modulatory properties on different effector cells in OA and RA pathogenesis. Effects of adiponectin, leptin, resistin and visfatin on local and systemic inflammation are broadly described. However, more recently, other adipokines, such as progranulin, chemerin, lipocalin-2, vaspin, omentin-1 and nesfatin, have been recognized to display immunomodulatory actions in rheumatic diseases. This review highlights the latest relevant findings on the role of the adipokine network in the pathophysiology of OA and RA.
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17
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Ma S, Wang DD, Ma CY, Zhang YD. microRNA-96 promotes osteoblast differentiation and bone formation in ankylosing spondylitis mice through activating the Wnt signaling pathway by binding to SOST. J Cell Biochem 2019; 120:15429-15442. [PMID: 31111563 DOI: 10.1002/jcb.28810] [Citation(s) in RCA: 41] [Impact Index Per Article: 8.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/05/2018] [Revised: 04/01/2019] [Accepted: 04/08/2019] [Indexed: 12/21/2022]
Abstract
Ankylosing spondylitis (AS) refers to a type of arthritis manifested with chronic inflammation of spine joints. microRNAs (MiRNAs) have been identified as new therapeutic targets for inflammatory diseases. In this study, we evaluated the influence of microRNA-96 (miR-96) on osteoblast differentiation together with bone formation in a murine model of AS. The speculated relationship that miR-96 could bind to sclerostin (SOST) was verified by dual luciferase reporter assay. After successful model establishment, the mice with AS and osteoblasts isolated from mice with AS were treated with mimics or inhibitors of miR-96, or DKK-1 (a Wnt signaling inhibitor). The effects of gain- or loss-of-function of miR-96 on the inflammatory cytokine release (IL-6, IL-10, and TNF-α), alkaline phosphatase (ALP) activity, calcium nodule formation, along with the viability of osteoblasts were determined. It was observed that miR-96 might target and regulate SOST. Besides, miR-96 was expressed at a high level in AS mice while SOST expressed at a low level. TOP/FOP-Flash luciferase reporter assay confirmed that miR-96 activated the Wnt signaling pathway. Moreover, AS mice overexpressing miR-96 exhibited increased contents of IL-6, IL-10 and TNF-α, ALP activity, calcium nodule numbers, and viability of osteoblasts. In contrast, inhibition of miR-96 resulted in suppression of the osteoblast differentiation and bone formation. In conclusion, the study implicates that overexpressing miR-96 could improve osteoblast differentiation and bone formation in AS mice via Wnt signaling pathway activation, highlighting a potential new target for AS treatment.
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Affiliation(s)
- Shu Ma
- Department of Rheumatology, The First Hospital of Jilin University, Changchun, People's Republic of China
| | - Dan-Dan Wang
- Department of Neurology, The First Hospital of Jilin University, Changchun, People's Republic of China
| | - Cheng-Yuan Ma
- Department of Neurosurgery, The First Hospital of Jilin University, Changchun, People's Republic of China
| | - Yan-Dong Zhang
- Department of Rheumatology, The First Hospital of Jilin University, Changchun, People's Republic of China
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18
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Furst DE, Belasco J, Louie JS. Genetic and inflammatory factors associated with psoriatic arthritis: Relevance to diagnosis and management. Clin Immunol 2019; 202:59-75. [DOI: 10.1016/j.clim.2019.02.001] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/21/2018] [Revised: 01/21/2019] [Accepted: 02/04/2019] [Indexed: 12/22/2022]
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19
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Yang L, Liu B, Zheng J, Huang J, Zhao Q, Liu J, Su Z, Wang M, Cui Z, Wang T, Zhang W, Li Q, Lu H. Rifaximin Alters Intestinal Microbiota and Prevents Progression of Ankylosing Spondylitis in Mice. Front Cell Infect Microbiol 2019; 9:44. [PMID: 30886835 PMCID: PMC6409347 DOI: 10.3389/fcimb.2019.00044] [Citation(s) in RCA: 35] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/25/2018] [Accepted: 02/12/2019] [Indexed: 12/11/2022] Open
Abstract
Recently, accumulating evidence has suggested that gut microbiota may be involved in the occurrence and development of ankylosing spondylitis (AS). It has been suggested that rifaximin have the ability to modulate the gut bacterial communities, prevent inflammatory response, and modulate gut barrier function. The goal of this work is to evaluate the protective effects of rifaximin in fighting AS and to elucidate the potential underlying mechanism. Rifaximin were administered to the proteoglycan (PG)-induced AS mice for 4 consecutive weeks. The disease severity was measured with the clinical and histological of arthritis and spondylitis. Intestinal histopathological, pro-inflammatory cytokine levels and the intestinal mucosal barrier were evaluated. Then, western blot was performed to explore the toll-like receptor 4 (TLR-4) signal transducer and NF-κB expression. Stool samples were collected to analyze the differences in the gut microbiota via next-generation sequencing of 16S rDNA. We found that rifaximin significantly reduced the severity of AS and resulted in down-regulation of inflammatory factors, such as TNF-α, IL-6, IL-17A, and IL-23. Meanwhile, rifaximin prevented ileum histological alterations, restored intestinal barrier function and inhibited TLR-4/NF-κB signaling pathway activation. Rifaximin also changed the gut microbiota composition with increased Bacteroidetes/Firmicutes phylum ratio, as well as selectively promoting some probiotic populations, including Lactobacillales. Our results suggest that rifaximin suppressed progression of AS and regulated gut microbiota in AS mice. Rifaximin might be useful as a novel treatment for AS.
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Affiliation(s)
- Lianjun Yang
- Department of Orthopedic Surgery, Orthopaedic Hospital of Guangdong Province, Academy of Orthopedics of Guangdong Province, The Third Affiliated Hospital, Southern Medical University, Guangzhou, China
| | - Bin Liu
- Department of Orthopedic Surgery, Orthopaedic Hospital of Guangdong Province, Academy of Orthopedics of Guangdong Province, The Third Affiliated Hospital, Southern Medical University, Guangzhou, China
| | - Junchi Zheng
- Department of Orthopedic Surgery, Orthopaedic Hospital of Guangdong Province, Academy of Orthopedics of Guangdong Province, The Third Affiliated Hospital, Southern Medical University, Guangzhou, China
| | - Jincheng Huang
- Department of Orthopedics, Zhengzhou University People's Hospital, Henan Provincial People's Hospital, Zhengzhou, China
| | - Qinghao Zhao
- Department of Orthopedic Surgery, Orthopaedic Hospital of Guangdong Province, Academy of Orthopedics of Guangdong Province, The Third Affiliated Hospital, Southern Medical University, Guangzhou, China
| | - Jinshi Liu
- Department of Orthopedic Surgery, Orthopaedic Hospital of Guangdong Province, Academy of Orthopedics of Guangdong Province, The Third Affiliated Hospital, Southern Medical University, Guangzhou, China
| | - Zhihai Su
- Department of Orthopedic Surgery, Orthopaedic Hospital of Guangdong Province, Academy of Orthopedics of Guangdong Province, The Third Affiliated Hospital, Southern Medical University, Guangzhou, China
| | - Min Wang
- Department of Orthopedic Surgery, Orthopaedic Hospital of Guangdong Province, Academy of Orthopedics of Guangdong Province, The Third Affiliated Hospital, Southern Medical University, Guangzhou, China
| | - Zhifei Cui
- Department of Orthopedic Surgery, Orthopaedic Hospital of Guangdong Province, Academy of Orthopedics of Guangdong Province, The Third Affiliated Hospital, Southern Medical University, Guangzhou, China
| | - Tingxuan Wang
- Department of Orthopedic Surgery, Orthopaedic Hospital of Guangdong Province, Academy of Orthopedics of Guangdong Province, The Third Affiliated Hospital, Southern Medical University, Guangzhou, China
| | - Weicong Zhang
- Department of Orthopedic Surgery, Orthopaedic Hospital of Guangdong Province, Academy of Orthopedics of Guangdong Province, The Third Affiliated Hospital, Southern Medical University, Guangzhou, China
| | - Qingchu Li
- Department of Orthopedic Surgery, Orthopaedic Hospital of Guangdong Province, Academy of Orthopedics of Guangdong Province, The Third Affiliated Hospital, Southern Medical University, Guangzhou, China
| | - Hai Lu
- Department of Orthopedic Surgery, Orthopaedic Hospital of Guangdong Province, Academy of Orthopedics of Guangdong Province, The Third Affiliated Hospital, Southern Medical University, Guangzhou, China
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Crotti C, Becciolini A, Biggioggero M, Favalli EG. Vitamin D and Spondyloarthritis: Review of the Literature. Open Rheumatol J 2018. [DOI: 10.2174/1874312901812010214] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/20/2023] Open
Abstract
Background:
Spondyloarthritides (SpAs) encompass heterogeneous diseases sharing similar genetic background, pathogenic mechanisms, and phenotypic features. Vitamin D is essential for calcium metabolism and skeletal homeostasis. Some recent evidences reported supplemental functions of vitamin D, such as modulation of inflammatory reactions.
Objective:
To analyze published data about a possible association between vitamin D and SpAs.
Results:
Vitamin D could play a role in immune reactions, influencing both immune and adaptive response. Vitamin D deficiency is more frequent in SpAs than in general population: an active and more severe disease infers patients’ mobility and reduces sunlight exposure. Quiescent inflammatory bowel disease, frequently associated with SpAs, could worsen vitamin D deficiency. All the parameters related to UVB exposure are the most important determinants for vitamin D status and need to be considered evaluating the vitamin D levels in SpAs.
Apart from musculoskeletal problems, patients affected by SpAs frequently suffer from other comorbidities, especially cardiovascular diseases and osteoporosis, and vitamin D status could have a relevance in this field. Bone is involved in SpAs with a dualistic role, coexisting trabecular bone resorption and new bone formation.
It seems rational to monitor vitamin D levels in SpA subjects and to target it to global health threshold.
Conclusion:
Literature data were not completely in agreement about a possible relation between poor vitamin D status and onset or worse disease course of SpAs. In fact, these results come from cross-sectional studies, which affect our ability to infer causality. Therefore, large, randomized controlled trials are needed.
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Horváth Á, Borbély É, Bölcskei K, Szentes N, Kiss T, Belák M, Rauch T, Glant T, Zákány R, Juhász T, Karanyicz E, Boldizsár F, Helyes Z, Botz B. Regulatory role of capsaicin-sensitive peptidergic sensory nerves in the proteoglycan-induced autoimmune arthritis model of the mouse. J Neuroinflammation 2018; 15:335. [PMID: 30509328 PMCID: PMC6276168 DOI: 10.1186/s12974-018-1364-5] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/19/2018] [Accepted: 11/08/2018] [Indexed: 12/11/2022] Open
Abstract
Objective The regulatory role of capsaicin-sensitive peptidergic sensory nerves has been shown in acute inflammation, but little is known about their involvement in T/B-cell driven autoimmune arthritis. This study integratively characterized the function of these nerve endings in the proteoglycan-induced chronic arthritis (PGIA), a translational model of rheumatoid arthritis. Methods Peptidergic afferents were defunctionalized by resiniferatoxin (RTX) pretreatment in BALB/c mice, PGIA was induced by repeated antigen challenges. Hind paw volume, arthritis severity, grasping ability and the mechanonociceptive threshold were monitored during the 17-week experiment. Myeloperoxidase activity, vascular leakage and bone turnover were evaluated by in vivo optical imaging. Bone morphology was assessed using micro-CT, the intertarsal small joints were processed for histopathological analysis. Results Following desensitization of the capsaicin-sensitive afferents, ankle edema, arthritis severity and mechanical hyperalgesia were markedly diminished. Myeloperoxidase activity was lower in the early, but increased in the late phase, whilst plasma leakage and bone turnover were not altered. Desensitized mice displayed similar bone spurs and erosions, but increased trabecular thickness of the tibia and bony ankylosis of the spine. Intertarsal cartilage thickness was not altered in the model, but desensitization increased this parameter in both the non-arthritic and arthritic groups. Conclusion This is the first integrative in vivo functional and morphological characterization of the PGIA mouse model, wherein peptidergic afferents have an important regulatory function. Their overall effect is proinflammatory by increasing acute inflammation, immune cell activity and pain. Meanwhile, their activation decreases spinal ankylosis, arthritis-induced altered trabecularity, and cartilage thickness in small joints. Electronic supplementary material The online version of this article (10.1186/s12974-018-1364-5) contains supplementary material, which is available to authorized users.
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Affiliation(s)
- Ádám Horváth
- Department of Pharmacology and Pharmacotherapy, University of Pécs Medical School, Szigeti u. 12, Pécs, 7624, Hungary.,János Szentágothai Research Centre, Molecular Pharmacology Research Team and Centre for Neuroscience, University of Pécs, Pécs, Hungary.,Department of Pharmacology and Pharmacotherapy, National Brain Research Program 20017-1.2.1-NKP-2017-00002, Chronic Pain Research Group, University of Pécs Medical School, Pécs, Hungary
| | - Éva Borbély
- Department of Pharmacology and Pharmacotherapy, University of Pécs Medical School, Szigeti u. 12, Pécs, 7624, Hungary.,János Szentágothai Research Centre, Molecular Pharmacology Research Team and Centre for Neuroscience, University of Pécs, Pécs, Hungary.,Department of Pharmacology and Pharmacotherapy, National Brain Research Program 20017-1.2.1-NKP-2017-00002, Chronic Pain Research Group, University of Pécs Medical School, Pécs, Hungary
| | - Kata Bölcskei
- Department of Pharmacology and Pharmacotherapy, University of Pécs Medical School, Szigeti u. 12, Pécs, 7624, Hungary.,János Szentágothai Research Centre, Molecular Pharmacology Research Team and Centre for Neuroscience, University of Pécs, Pécs, Hungary.,Department of Pharmacology and Pharmacotherapy, National Brain Research Program 20017-1.2.1-NKP-2017-00002, Chronic Pain Research Group, University of Pécs Medical School, Pécs, Hungary
| | - Nikolett Szentes
- Department of Pharmacology and Pharmacotherapy, University of Pécs Medical School, Szigeti u. 12, Pécs, 7624, Hungary.,János Szentágothai Research Centre, Molecular Pharmacology Research Team and Centre for Neuroscience, University of Pécs, Pécs, Hungary.,Department of Pharmacology and Pharmacotherapy, National Brain Research Program 20017-1.2.1-NKP-2017-00002, Chronic Pain Research Group, University of Pécs Medical School, Pécs, Hungary
| | - Tamás Kiss
- Department of Pharmacology and Pharmacotherapy, University of Pécs Medical School, Szigeti u. 12, Pécs, 7624, Hungary.,János Szentágothai Research Centre, Molecular Pharmacology Research Team and Centre for Neuroscience, University of Pécs, Pécs, Hungary.,Department of Pharmacology and Pharmacotherapy, National Brain Research Program 20017-1.2.1-NKP-2017-00002, Chronic Pain Research Group, University of Pécs Medical School, Pécs, Hungary
| | - Mátyás Belák
- Department of Pharmacology and Pharmacotherapy, University of Pécs Medical School, Szigeti u. 12, Pécs, 7624, Hungary
| | - Tibor Rauch
- Department of Orthopedic Surgery, Section of Molecular Medicine, Rush University Medical Center, Chicago, USA
| | - Tibor Glant
- Department of Orthopedic Surgery, Section of Molecular Medicine, Rush University Medical Center, Chicago, USA
| | - Róza Zákány
- Department of Anatomy, Histology, and Embryology, University of Debrecen, Debrecen, Hungary
| | - Tamás Juhász
- Department of Anatomy, Histology, and Embryology, University of Debrecen, Debrecen, Hungary
| | - Edina Karanyicz
- Department of Anatomy, Histology, and Embryology, University of Debrecen, Debrecen, Hungary
| | - Ferenc Boldizsár
- Medical School, Department of Immunology, University of Pécs, Pécs, Hungary
| | - Zsuzsanna Helyes
- Department of Pharmacology and Pharmacotherapy, University of Pécs Medical School, Szigeti u. 12, Pécs, 7624, Hungary. .,János Szentágothai Research Centre, Molecular Pharmacology Research Team and Centre for Neuroscience, University of Pécs, Pécs, Hungary. .,Department of Pharmacology and Pharmacotherapy, National Brain Research Program 20017-1.2.1-NKP-2017-00002, Chronic Pain Research Group, University of Pécs Medical School, Pécs, Hungary.
| | - Bálint Botz
- János Szentágothai Research Centre, Molecular Pharmacology Research Team and Centre for Neuroscience, University of Pécs, Pécs, Hungary.,Medical School, Department of Radiology, University of Pécs, Pécs, Hungary
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22
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Jeong H, Bae EK, Kim H, Lim DH, Chung TY, Lee J, Jeon CH, Koh EM, Cha HS. Spondyloarthritis features in zymosan-induced SKG mice. Joint Bone Spine 2018; 85:583-591. [DOI: 10.1016/j.jbspin.2017.11.008] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/14/2017] [Accepted: 11/15/2017] [Indexed: 12/17/2022]
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23
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Orsolini G, Adami G, Rossini M, Ghellere F, Caimmi C, Fassio A, Idolazzi L, Gatti D, Viapiana O. Parathyroid hormone is a determinant of serum Dickkopf-1 levels in ankylosing spondylitis. Clin Rheumatol 2018; 37:3093-3098. [PMID: 29995219 DOI: 10.1007/s10067-018-4205-0] [Citation(s) in RCA: 12] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/25/2018] [Revised: 06/12/2018] [Accepted: 07/09/2018] [Indexed: 12/15/2022]
Abstract
Available studies reported contradictory results about serum levels Dickkopf-1 (DKK1), an inhibitor of Wnt signaling in patients with ankylosing spondylitis (AS). In previous studies, we observed in other conditions that parathyroid hormone (PTH) serum levels were an important determinant of DKK1 serum levels. The aim of the present study was to investigate it in patients with AS. We recruited 71 patients diagnosed with AS. Levels of C-reactive protein (CRP), DKK1, PTH, 25OH-vitamin D, and bone turnover markers (intact N-propeptide of type I collagen, P1NP, and C-terminal telopeptide of type I collagen, CTX) were measured and compared to healthy controls (HC). Dual X-ray absorptiometry at lumbar spine and proximal femoral site was used for bone mineral density (BMD) assessment and spine X-rays were also performed. PTH serum levels were found to be significantly higher in AS patients than in HC (33.8 ± 14.11 vs 24.8 ± 13 pg/ml, p = 0.002), while mean DKK1 serum levels were lower than in HC (23.3 ± 13.1 vs 29.8 ± 15.9 pmol/l, p = 0.009). A positive correlation between DKK1 and PTH (correlation coefficient + 0.25, p = 0.03) was observed; it remained significant in a multivariate analysis. In patients with longer disease duration, DKK1 was also positively correlated with CTX (coefficient 0.42, p = 0.01), and PTH was higher in those patients with low BMD (Z-score ≤ - 1) at any site (p = 0.04). Also in AS, PTH is an important determinant of DKK1 serum levels and should be evaluated in studies on DKK1. PTH might have a role in bone involvement in AS, also through the Wnt pathway.
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Affiliation(s)
- Giovanni Orsolini
- University of Verona, Rheumatology Unit, Piazzale L. Scuro 10, 37134, Verona, Italy.
| | - Giovanni Adami
- University of Verona, Rheumatology Unit, Piazzale L. Scuro 10, 37134, Verona, Italy
| | - Maurizio Rossini
- University of Verona, Rheumatology Unit, Piazzale L. Scuro 10, 37134, Verona, Italy
| | - Francesco Ghellere
- University of Verona, Rheumatology Unit, Piazzale L. Scuro 10, 37134, Verona, Italy
| | - Cristian Caimmi
- University of Verona, Rheumatology Unit, Piazzale L. Scuro 10, 37134, Verona, Italy
| | - Angelo Fassio
- University of Verona, Rheumatology Unit, Piazzale L. Scuro 10, 37134, Verona, Italy
| | - Luca Idolazzi
- University of Verona, Rheumatology Unit, Piazzale L. Scuro 10, 37134, Verona, Italy
| | - Davide Gatti
- University of Verona, Rheumatology Unit, Piazzale L. Scuro 10, 37134, Verona, Italy
| | - Ombretta Viapiana
- University of Verona, Rheumatology Unit, Piazzale L. Scuro 10, 37134, Verona, Italy
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24
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25
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Dong B. Protective Effects of Sinomenine Against Ankylosing Spondylitis and the Underlying Molecular Mechanisms. Med Sci Monit 2018; 24:3631-3636. [PMID: 29849019 PMCID: PMC6007288 DOI: 10.12659/msm.907589] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/17/2022] Open
Abstract
BACKGROUND This study aimed to investigate the effect and underlying molecular mechanism of sinomenine (SIN) on ankylosing spondylitis (AS). MATERIAL AND METHODS To study the potential role of SIN in the pathogenesis of AS, an AS mouse model was established and mice were treated with different concentrations of SIN (10, 30, and 50 mg/kg, administered intraperitoneally). Markers of inflammation and oxidative stress were determined by ELISA assay. Western blot analysis and qRT-PCR were used to quantify the levels of related proteins and gene mRNA expression. RESULTS The results suggest that AS mice has higher levels of TNF-α, IL-1β, and IL-6 (p<0.01 for all), and lower levels of superoxide dismutase (SOD), catalase (CAT), and glutathione peroxidase (GSH-PX) (p<0.01 for all). SIN treatment reduced the level of TNF-α, IL-1β, and IL-6 in a dose-dependent manner, and the levels of SOD, CAT, and GSH-PX were dose-dependently increased (p<0.05 for all). The results also revealed that NF-κBp65 expression decreased, while the level of IkB increased, in a dose-dependent manner, after SIN treatment in AS mice (p<0.05 for all). The level of p-p38 was dose-dependently reduced in AS mice by SIN treatment (p<0.05). Moreover, SIN inhibited Cox-2 expression in AS mice in a dose-dependent manner (p<0.05). CONCLUSIONS SIN has a beneficial role in AS through suppressing inflammatory mediators and by down-regulating oxidative stress via inhibiting the MAPKp38/NF-kB pathway and Cox-2 expression.
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Affiliation(s)
- Bo Dong
- Department of Orthopedics, No. 2 Ward of Traditional Chinese Medicine, Honghui Hospital, Xi'an Jiaotong University, Xi'an, Shaanxi, China (mainland)
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26
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Li X, Wang J, Zhan Z, Li S, Zheng Z, Wang T, Zhang K, Pan H, Li Z, Zhang N, Liu H. Inflammation Intensity-Dependent Expression of Osteoinductive Wnt Proteins Is Critical for Ectopic New Bone Formation in Ankylosing Spondylitis. Arthritis Rheumatol 2018; 70:1056-1070. [PMID: 29481736 DOI: 10.1002/art.40468] [Citation(s) in RCA: 58] [Impact Index Per Article: 9.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/01/2017] [Accepted: 02/20/2018] [Indexed: 12/17/2022]
Abstract
OBJECTIVE To investigate the molecular mechanism underlying inflammation-related ectopic new bone formation in ankylosing spondylitis (AS). METHODS Spinal tissues and sera were collected from patients with AS and healthy volunteers and examined for the expression of Wnt proteins. An in vitro cell culture system mimicking the local inflammatory microenvironment of bone-forming sites was established to study the relationship between inflammation and Wnt expression, the regulatory mechanism of inflammation-induced Wnt expression, and the role of Wnt signaling in new bone formation. Modified collagen-induced arthritis (CIA) and proteoglycan-induced spondylitis (PGIS) animal models were used to confirm the key findings in vivo. RESULTS The levels of osteoinductive Wnt proteins were increased in sera and spinal ligament tissues from patients with AS. Constitutive low-intensity tumor necrosis factor (TNF) stimulation, but not short-term or high-intensity TNF stimulation, induced persistent expression of osteoinductive Wnt proteins and subsequent bone formation through NF-κB (p65) and JNK/activator protein 1 (c-Jun) signaling pathways. Furthermore, inhibition of either the Wnt/β-catenin or Wnt/protein kinase Cδ (PKCδ) pathway significantly suppressed new bone formation. The increased expression of Wnt proteins was confirmed in both the modified CIA and PGIS models. A kyphotic and ankylosing phenotype of the spine was seen during long-term observation in the modified CIA model. Inhibition of either the Wnt/β-catenin or Wnt/PKCδ signaling pathway significantly reduced the incidence and severity of this phenotype. CONCLUSION Inflammation intensity-dependent expression of osteoinductive Wnt proteins is a key link between inflammation and ectopic new bone formation in AS. Activation of both the canonical Wnt/β-catenin and noncanonical Wnt/PKCδ pathways is required for inflammation-induced new bone formation.
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Affiliation(s)
- Xiang Li
- The First Affiliated Hospital, Sun Yat-sen University, Guangzhou, China
| | - Jianru Wang
- The First Affiliated Hospital, Sun Yat-sen University and Guangdong Provincial Key Laboratory of Orthopaedics and Traumatology, Guangzhou, China
| | - Zhongping Zhan
- The First Affiliated Hospital, Sun Yat-sen University, Guangzhou, China
| | - Sibei Li
- Guangzhou Chest Hospital, Guangzhou, China
| | - Zhaomin Zheng
- The First Affiliated Hospital, Sun Yat-sen University and Guangdong Provincial Key Laboratory of Orthopaedics and Traumatology, Guangzhou, China
| | | | - Kuibo Zhang
- The Fifth Affiliated Hospital, Sun Yat-sen University, Zhuhai, China
| | - Hehai Pan
- The First Affiliated Hospital, Sun Yat-sen University, Guangzhou, China
| | - Zemin Li
- The First Affiliated Hospital, Sun Yat-sen University, Guangzhou, China
| | - Nu Zhang
- The First Affiliated Hospital, Sun Yat-sen University, Guangzhou, China
| | - Hui Liu
- The First Affiliated Hospital, Sun Yat-sen University and Guangdong Provincial Key Laboratory of Orthopaedics and Traumatology, Guangzhou, China
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27
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Jo YY, Kweon H, Kim DW, Baek K, Kim MK, Kim SG, Chae WS, Choi JY, Rotaru H. Bone regeneration is associated with the concentration of tumour necrosis factor-α induced by sericin released from a silk mat. Sci Rep 2017; 7:15589. [PMID: 29138464 PMCID: PMC5686134 DOI: 10.1038/s41598-017-15687-w] [Citation(s) in RCA: 18] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/07/2017] [Accepted: 10/31/2017] [Indexed: 01/04/2023] Open
Abstract
To understand the osteogenic effect of the middle layer of the silk cocoon, sericin was examined for its cellular effects associated with tumor necrosis factor-α (TNF-α) signaling in this study. The fragmented sericin proteins in the silk mat were evaluated for the TNF-α expression level in murine macrophages. The concentration of protein released from silk mats was higher in the outermost and the innermost layers than in the middle layers, and the protein released from the silk mat was identified as sericin. The level of TNF-α in murine macrophages was dependent on the applied concentration of sericin, and the expression of genes associated with osteogenesis in osteoblast-like cells was dependent on the applied concentration of TNF-α. In animal experiments, silk mats from the middle layers led to a higher regenerated bone volume than silk mats from the innermost layer or the outermost layer. If TNF-α protein was incorporated into the silk mats from the middle layers, bone regeneration was suppressed compared with unloaded silk mats from the middle layers. Accordingly, silk mats from the silk cocoon can be considered to be a fragmented sericin-secreting carrier, and the level of sericin secretion is associated with TNF-α induction and bone regeneration.
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Affiliation(s)
- You-Young Jo
- Sericultural and Apicultural Division, National Institute of Agricultural Science, RDA, Wanju, 55365, Republic of Korea
| | - HaeYong Kweon
- Sericultural and Apicultural Division, National Institute of Agricultural Science, RDA, Wanju, 55365, Republic of Korea
| | - Dae-Won Kim
- Department of Oral Biochemistry, College of Dentistry, Gangneung-Wonju National University, Gangneung, 28644, Republic of Korea
| | - Kyunghwa Baek
- Department of Oral Pharmacology, College of Dentistry, Gangneung-Wonju National University, Gangneung, 28644, Republic of Korea
| | - Min-Keun Kim
- Department of Oral and Maxillofacial Surgery, College of Dentistry, Gangneung-Wonju National University, Gangneung, 28644, Republic of Korea
| | - Seong-Gon Kim
- Department of Oral and Maxillofacial Surgery, College of Dentistry, Gangneung-Wonju National University, Gangneung, 28644, Republic of Korea.
| | - Weon-Sik Chae
- Analysis Research Division, Daegu Center, Korea Basic Science Institute, Daegu, 41566, Republic of Korea
| | - Je-Yong Choi
- School of Biochemistry and Cell Biology, BK21 Plus KNU Biomedical Convergence Program, Skeletal Diseases Analysis Center, Korea Mouse Phenotyping Center (KMPC), Kyungpook National University, Daegu, 41944, Korea.
| | - Horatiu Rotaru
- Department of Cranio-Maxillofacial Surgery, "Iuliu Hatieganu" University of Medicine and Pharmacy, Cluj-Napoca, 400001, Romania
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28
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Di G, Kong L, Zhao Q, Ding T. MicroRNA-146a knockdown suppresses the progression of ankylosing spondylitis by targeting dickkopf 1. Biomed Pharmacother 2017; 97:1243-1249. [PMID: 29145150 DOI: 10.1016/j.biopha.2017.11.067] [Citation(s) in RCA: 23] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/06/2017] [Revised: 11/09/2017] [Accepted: 11/10/2017] [Indexed: 12/17/2022] Open
Abstract
Ankylosing spondylitis (AS) seriously threatens healthy and life quality of patients, however, there is no extremely effective drug to cure the disease. Therefore, it is urgent to understand molecular basis in the progression of AS. MicroRNA-146a (miR-146a) has been demonstrated to be associated with the development of AS. However, its molecular mechanism has not been fully established. In this study, it is found that the expression levels of miR-146a and dickkopf 1 (DKK1) were respectively upregulated and downregulated in hip capsule tissues of AS patients. Moreover, a negative correlation was displayed between miR-146a and DKK1 expression. Functional analysis revealed that miR-146a inhibitor restrained cell proliferation and osteogenic potential as well as enhanced apoptosis in AS fibroblasts, while miR-146a overexpression enhanced proliferation and osteogenic potential of AS fibroblasts. Bioinformatics analysis, dual luciferase reporter assays, qRT-PCR and immunoblotting assays revealed that miR-146a inhibited DKK1 expression by directly targeting 3'UTR region of DKK1. Mechanism studies further revealed that loss of DKK1 partly reversed the effect of miR-146a inhibitor on cell proliferation, apoptosis and osteogenic potential in AS fibroblasts. Taken together, our finding revealed that miR-146a knockdown hindered AS progression partially by regulating target DKK1 expression, offering a potential therapy application for AS patients.
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Affiliation(s)
- Guijuan Di
- Department of Rheumatology and Immunology, Huaihe Hospital of Henan University, Kaifeng 475000, China.
| | - Lingli Kong
- Department of Rheumatology and Immunology, Huaihe Hospital of Henan University, Kaifeng 475000, China
| | - Qing Zhao
- Department of Rheumatology and Immunology, Huaihe Hospital of Henan University, Kaifeng 475000, China
| | - Tao Ding
- Department of Anesthesiology, Huaihe Hospital of Henan University, Kaifeng 475000, China
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29
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Croes M, Boot W, Kruyt MC, Weinans H, Pouran B, van der Helm YJ, Gawlitta D, Vogely HC, Alblas J, Dhert WJ, Öner FC. Inflammation-Induced Osteogenesis in a Rabbit Tibia Model. Tissue Eng Part C Methods 2017. [DOI: 10.1089/ten.tec.2017.0151] [Citation(s) in RCA: 12] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/29/2022] Open
Affiliation(s)
- Michiel Croes
- Department of Orthopaedics, University Medical Center Utrecht, Utrecht, The Netherlands
| | - Willemijn Boot
- Department of Orthopaedics, University Medical Center Utrecht, Utrecht, The Netherlands
| | - Moyo C. Kruyt
- Department of Orthopaedics, University Medical Center Utrecht, Utrecht, The Netherlands
| | - Harrie Weinans
- Department of Orthopaedics, University Medical Center Utrecht, Utrecht, The Netherlands
- Department of Biomechanical Engineering, Faculty of Mechanical, Maritime, and Materials Engineering, Delft University of Technology, Delft, The Netherlands
- Department of Rheumatology, University Medical Center Utrecht, Utrecht, The Netherlands
| | - Behdad Pouran
- Department of Orthopaedics, University Medical Center Utrecht, Utrecht, The Netherlands
- Department of Biomechanical Engineering, Faculty of Mechanical, Maritime, and Materials Engineering, Delft University of Technology, Delft, The Netherlands
| | | | - Debby Gawlitta
- Department of Oral and Maxillofacial Surgery & Special Dental Care, University Medical Center Utrecht, Utrecht, The Netherlands
| | - H. Charles Vogely
- Department of Orthopaedics, University Medical Center Utrecht, Utrecht, The Netherlands
| | - Jacqueline Alblas
- Department of Orthopaedics, University Medical Center Utrecht, Utrecht, The Netherlands
| | - Wouter J.A. Dhert
- Department of Orthopaedics, University Medical Center Utrecht, Utrecht, The Netherlands
- Faculty of Veterinary Medicine, Utrecht University, Utrecht, The Netherlands
| | - F. Cumhur Öner
- Department of Orthopaedics, University Medical Center Utrecht, Utrecht, The Netherlands
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30
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He T, Huang Y, Zhang C, Liu D, Cheng C, Xu W, Zhang X. Interleukin-17A-promoted MSC2 polarization related with new bone formation of ankylosing spondylitis. Oncotarget 2017; 8:96993-97008. [PMID: 29228588 PMCID: PMC5722540 DOI: 10.18632/oncotarget.20823] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/21/2017] [Accepted: 08/19/2017] [Indexed: 12/16/2022] Open
Abstract
It’s still unknown how over-hyperplasia of tissue such like new bone formation (NBF) developed in ankylosing spondylitis (AS). We found low level of IL-17A promoted TLR4+MSC1 polarization with suppressed osteogenic differentiation through JAK2/STAT3 pathway, while high level of IL-17A promoted TLR3+MSC2 polarization with enhanced osteogenic differentiation through WNT10b/RUNX2 pathway. Furthermore, both proteoglycan-induced spondylitis (PGISp) mouse model and AS patients without NBF showed MSC1 polarization, up-regulated JAK2/STAT3 pathway and high level of IL-17A (peripherally, but not locally), but those with NBF showed MSC2 polarization, up-regulated WNT10b/RUNX2 pathway and high expression of IL-17A at local site. Results showed NBF of AS was induced by MSC2 polarization that was promoted by high level of IL-17A, and may be treated by suppressing local MSC2 polarization.
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Affiliation(s)
- Tao He
- Department of Joint Surgery and Sports Medicine, Changhai Hospital Affiliated to the Second Military Medical University, Shanghai, People's Republic of China
| | - Yan Huang
- The Key Laboratory of Stem Cell Biology, Institute of Health Sciences, Shanghai Jiao Tong University School of Medicine, Shanghai Institutes for Biological Sciences, Chinese Academy of Sciences, Shanghai, People's Republic of China
| | - Chen Zhang
- Department of Joint Surgery and Sports Medicine, Changhai Hospital Affiliated to the Second Military Medical University, Shanghai, People's Republic of China
| | - Denghui Liu
- Department of Joint Surgery and Sports Medicine, Changhai Hospital Affiliated to the Second Military Medical University, Shanghai, People's Republic of China
| | - Chao Cheng
- Department of Nuclear Medicine, Changhai Hospital Affiliated to the Second Military Medical University, Shanghai, People's Republic of China
| | - Weidong Xu
- Department of Joint Surgery and Sports Medicine, Changhai Hospital Affiliated to the Second Military Medical University, Shanghai, People's Republic of China
| | - Xiaoling Zhang
- The Key Laboratory of Stem Cell Biology, Institute of Health Sciences, Shanghai Jiao Tong University School of Medicine, Shanghai Institutes for Biological Sciences, Chinese Academy of Sciences, Shanghai, People's Republic of China.,Department of Orthopedic Surgery, Xin Hua Hospital Affiliated to Shanghai Jiao Tong University School of Medicine, Shanghai, People's Republic of China
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31
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Jeong H, Bae EK, Kim H, Eun YH, Kim IY, Kim H, Lee J, Jeon CH, Koh EM, Cha HS. Estrogen attenuates the spondyloarthritis manifestations of the SKG arthritis model. Arthritis Res Ther 2017; 19:198. [PMID: 28882159 PMCID: PMC5590166 DOI: 10.1186/s13075-017-1407-9] [Citation(s) in RCA: 12] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/06/2017] [Accepted: 08/22/2017] [Indexed: 12/16/2022] Open
Abstract
Background Ankylosing spondylitis (AS) is a male-predominant disease, and radiographic evidence of damage is also more severe in males. Estrogen modulates immune-related processes such as T cell differentiation and cytokine production. This study aimed to evaluate the effect of estrogen on the disease activity of spondyloarthritis (SpA). Methods The effects of estrogen on the development of arthritis were evaluated by performing ovariectomy and 17β-estradiol (E2) pellet implantation in zymosan-treated SKG mice. Clinical arthritis scores were measured, and 18F-fluorodeoxyglucose (18F-FDG) small-animal positron emission tomography/computed tomography performed to quantify joint inflammation. The expression of inflammatory cytokines in joint tissue was measured. Results E2-treated mice showed remarkable suppression of arthritis clinically and little infiltration of inflammatory cells in the Achilles tendon and intervertebral disc. 18F-FDG uptake was significantly lower in E2-treated mice than in sham-operated (sham) and ovariectomized mice. Expression of TNF, interferon-γ, and IL-17A was significantly reduced in E2-treated mice, whereas expression of sclerostin and Dickkopf-1 was increased in E2-treated mice compared with sham and ovariectomized mice. Conclusions Estrogen suppressed arthritis development in SKG mice, a model of SpA. Results of this study suggest that estrogen has an anti-inflammatory effect on the spondyloarthritis manifestations of the SKG arthritis model.
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Affiliation(s)
- Hyemin Jeong
- Division of Rheumatology, Department of Internal Medicine, Soonchunhyang University Hospital, Bucheon, South Korea
| | - Eun-Kyung Bae
- Samsung Biomedical Research Institute, Seoul, South Korea
| | - Hunnyun Kim
- Samsung Biomedical Research Institute, Seoul, South Korea
| | - Yeong Hee Eun
- Division of Rheumatology, Department of Internal Medicine, Samsung Medical Center, Sungkyunkwan University School of Medicine, 81 Irwon-Ro, Gangnam-gu, Seoul, 06351, South Korea
| | - In Young Kim
- Division of Rheumatology, Department of Internal Medicine, Samsung Medical Center, Sungkyunkwan University School of Medicine, 81 Irwon-Ro, Gangnam-gu, Seoul, 06351, South Korea
| | - Hyungjin Kim
- Division of Rheumatology, Department of Internal Medicine, Samsung Medical Center, Sungkyunkwan University School of Medicine, 81 Irwon-Ro, Gangnam-gu, Seoul, 06351, South Korea
| | - Jaejoon Lee
- Division of Rheumatology, Department of Internal Medicine, Samsung Medical Center, Sungkyunkwan University School of Medicine, 81 Irwon-Ro, Gangnam-gu, Seoul, 06351, South Korea
| | - Chan Hong Jeon
- Division of Rheumatology, Department of Internal Medicine, Soonchunhyang University Hospital, Bucheon, South Korea
| | - Eun-Mi Koh
- Division of Rheumatology, Department of Internal Medicine, Samsung Medical Center, Sungkyunkwan University School of Medicine, 81 Irwon-Ro, Gangnam-gu, Seoul, 06351, South Korea
| | - Hoon-Suk Cha
- Division of Rheumatology, Department of Internal Medicine, Samsung Medical Center, Sungkyunkwan University School of Medicine, 81 Irwon-Ro, Gangnam-gu, Seoul, 06351, South Korea.
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Possible role of Dickkopf-1 protein in the pathogenesis of tympanosclerosis in a rat model. The Journal of Laryngology & Otology 2017; 131:860-865. [PMID: 28807065 DOI: 10.1017/s0022215117001566] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 02/07/2023]
Abstract
OBJECTIVES This study aimed to investigate the expression of DKK1 protein in an experimental model of tympanosclerosis and its possible role in the pathogenesis of this disorder. METHODS Forty Sprague Dawley rats were included in the study: 20 in the control group (which received no treatment) and 20 in the experimental group (which received an incision to induce tympanosclerosis). Otomicroscopy was performed to observe the development of myringosclerosis. Haematoxylin and eosin staining was performed to observe the morphological changes. Western blot analysis and immunohistochemistry were performed to assess the expression of DKK1 protein. RESULTS At day 15, sclerotic lesions were observed in 70 per cent of the tympanic membranes. Inflammatory infiltration and hyaline degeneration markedly appeared in the tympanic membranes and middle-ear mucosa. DKK1 protein was mainly distributed in the cytoplasm of epithelial cells, which were widely distributed in the tympanic membranes and middle-ear mucosa. The expression of DKK1 protein was significantly decreased in the calcified experimental ears. CONCLUSION DKK1 protein is involved in the pathogenesis of tympanosclerosis by regulating the Wnt/β-catenin signalling pathway.
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Tseng HW, Glant TT, Brown MA, Kenna TJ, Thomas GP, Pettit AR. Early anti-inflammatory intervention ameliorates axial disease in the proteoglycan-induced spondylitis mouse model of ankylosing spondylitis. BMC Musculoskelet Disord 2017; 18:228. [PMID: 28558827 PMCID: PMC5450150 DOI: 10.1186/s12891-017-1600-7] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 10/20/2016] [Accepted: 05/22/2017] [Indexed: 12/17/2022] Open
Abstract
Background Ankylosing spondylitis (AS) is characterised by immune-mediated arthritis and osteoproliferation, ultimately leading to joint ankylosis. Whether inflammation is necessary for osteoproliferation is controversial, fuelled by the unclear efficacy of anti-inflammatory treatments on radiographic progression. In proteoglycan-induced spondylitis (PGISp), a mouse model of AS, inflammation is the prerequisite for osteoproliferation as osteoproliferation was only observed following inflammation-driven intervertebral disc (IVD) destruction. We hypothesised that early intervention with a potent anti-inflammatory therapy would protect IVD integrity and consequently alter disease progression. Methods PGISp mice received vehicle or a combination of etanercept (ETN) plus prednisolone (PRD) therapy for 2 or 6 weeks initiated at an early disease stage. Peripheral arthritis was scored longitudinally. Spinal disease was assessed using a semi-quantitative histological scoring regimen including inflammation, joint destruction and excessive tissue formation. Results ETN + PRD therapy significantly delayed the onset of peripheral arthritis. IVD integrity was significantly protected when treatment was commenced in early disease. Six-weeks of treatment resulted in trends towards reductions in intervertebral joint damage and excessive tissue formation. IVD score distribution was dichotomized, likely reflecting the extent of axial disease at initiation of therapy. In the sub-group of mice with high IVD destruction scores, ETN + PRD treatment significantly reduced IVD destruction severity, inflammation and bone erosion and reduced cartilage damage and excessive tissue formation. Conclusions Early intervention with anti-inflammatory treatment not only improved inflammatory symptoms but also ameliorated structural damage of spine in PGISp mice. This preclinical observation suggests that early anti-inflammatory intervention may slow radiographic progression in AS patients. Electronic supplementary material The online version of this article (doi:10.1186/s12891-017-1600-7) contains supplementary material, which is available to authorized users.
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Affiliation(s)
- Hsu-Wen Tseng
- The University of Queensland Diamantina Institute, Translational Research Institute, 37 Kent Street, Woolloongabba, QLD, 4102, Australia.,Mater Research Institute-The University of Queensland, Faculty of Medicine, Translational Research Institute, 37 Kent St, Woolloongabba, QLD, 4102, Australia
| | - Tibor T Glant
- Section of Molecular Medicine, Department of Orthopedic Surgery, Rush University Medical Center, 1735 W. Harrison Str., Cohn Research Building, Chicago, IL, 60612, USA
| | - Matthew A Brown
- The University of Queensland Diamantina Institute, Translational Research Institute, 37 Kent Street, Woolloongabba, QLD, 4102, Australia.,Institute of Health and Biomedical Innovation, Queensland University of Technology: Translational Research Institute, 37 Kent St, Woolloongabba, QLD, 4102, Australia
| | - Tony J Kenna
- The University of Queensland Diamantina Institute, Translational Research Institute, 37 Kent Street, Woolloongabba, QLD, 4102, Australia.,Institute of Health and Biomedical Innovation, Queensland University of Technology: Translational Research Institute, 37 Kent St, Woolloongabba, QLD, 4102, Australia
| | - Gethin P Thomas
- The University of Queensland Diamantina Institute, Translational Research Institute, 37 Kent Street, Woolloongabba, QLD, 4102, Australia. .,Charles Sturt University, Boorooma Street, Wagga Wagga, NSW, 2678, Australia.
| | - Allison R Pettit
- Mater Research Institute-The University of Queensland, Faculty of Medicine, Translational Research Institute, 37 Kent St, Woolloongabba, QLD, 4102, Australia.
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Discriminating Value of Calprotectin in Disease Activity and Progression of Nonradiographic Axial Spondyloarthritis and Ankylosing Spondylitis. DISEASE MARKERS 2017. [PMID: 28630526 PMCID: PMC5463132 DOI: 10.1155/2017/7574147] [Citation(s) in RCA: 15] [Impact Index Per Article: 2.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Indexed: 12/17/2022]
Abstract
It has been controversial whether ankylosing spondylitis (AS) and nonradiographic axial spondyloarthritis (nr-axSpA) are separate or different phases of radiographic progression. We determined that serum calprotectin level (ng/ml) was higher in AS (15.30 ± 6.49) and nr-axSpA (17.76 ± 8.59) patients than in healthy individuals (7.40 ± 2.67). No difference was observed in calprotectin level between these two groups. Elevated calprotectin was positively correlated with ESR, CRP, BASDAI, and ASDAS as well as SPARCC scoring and had no correlation with BASFI and mSASSS. No correlation was observed between calprotectin and Wnt/β-catenin pathway markers. Serum calprotectin can be used as a marker for inflammation in both nr-axSpA and AS, while it does not contribute to the discrimination of AS and nr-axSpA. Calprotectin-mediated inflammation was not correlated with principle effectors of Wnt/β-catenin pathway, indicating that inflammation and bone fusion might be separate processes of the disease.
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Baum R, Gravallese EM. Bone as a Target Organ in Rheumatic Disease: Impact on Osteoclasts and Osteoblasts. Clin Rev Allergy Immunol 2017; 51:1-15. [PMID: 26411424 DOI: 10.1007/s12016-015-8515-6] [Citation(s) in RCA: 71] [Impact Index Per Article: 10.1] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/17/2022]
Abstract
Dysregulated bone remodeling occurs when there is an imbalance between bone resorption and bone formation. In rheumatic diseases, including rheumatoid arthritis (RA) and seronegative spondyloarthritis, systemic and local factors disrupt the process of physiologic bone remodeling. Depending upon the local microenvironment, cell types, and local mechanical forces, inflammation results in very different effects on bone, promoting bone loss in the joints and in periarticular and systemic bone in RA and driving bone formation at enthesial and periosteal sites in diseases such as ankylosing spondylitis (AS), included within the classification of axial spondyloarthritis. There has been a great deal of interest in the role of osteoclasts in these processes and much has been learned over the past decade about osteoclast differentiation and function. It is now appreciated that osteoblast-mediated bone formation is also inhibited in the RA joint, limiting the repair of erosions. In contrast, osteoblasts function to produce new bone in AS. The Wnt and BMP signaling pathways have emerged as critical in the regulation of osteoblast function and the outcome for bone in rheumatic diseases, and these pathways have been implicated in both bone loss in RA and bone formation in AS. These pathways provide potential novel approaches for therapeutic intervention in diseases in which inflammation impacts bone.
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Affiliation(s)
- Rebecca Baum
- Department of Medicine and Division of Rheumatology, University of Massachusetts Medical School, Lazare Research Building Suite 223, 364 Plantation Street, Worcester, MA, 01605, USA
| | - Ellen M Gravallese
- Department of Medicine and Division of Rheumatology, University of Massachusetts Medical School, Lazare Research Building Suite 223, 364 Plantation Street, Worcester, MA, 01605, USA.
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The Protective Effect of Chrysanthemum indicum Extract against Ankylosing Spondylitis in Mouse Models. BIOMED RESEARCH INTERNATIONAL 2017; 2017:8206281. [PMID: 28261616 PMCID: PMC5312047 DOI: 10.1155/2017/8206281] [Citation(s) in RCA: 12] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 12/12/2016] [Accepted: 01/15/2017] [Indexed: 12/16/2022]
Abstract
In traditional Chinese and Korean homeopathic medicine, Chrysanthemum indicum Linné (Asteraceae) is a time-honored herb, prescribed for the resolution of symptoms associated with inflammatory and hypertensive conditions as well as those affecting the lungs and its associated structures. The goal of this work is to investigate the defensive role of Chrysanthemum indicum extract in fighting ankylosing spondylitis (AS) using mouse models, through which the manifestation and extent of the disease progression were measured with quantitative analysis of the intervertebral joints. Markers of inflammation as well as oxidative stress were also analysed. Western blot was used to quantify the levels of Nuclear Factor-κB (NF-κB) p65, Dickkopf-1 (DKK-1), and sclerostin (SOST). Consequently, the findings of this experiment demonstrated that AS in mice that were given Chrysanthemum indicum extract had lower level of TNF-α, IL-1β, and IL-6 (P < 0.05) and increased level of catalase (CAT), glutathione peroxidase (GSH-PX), and superoxide dismutase (SOD) (P < 0.05). The results also revealed that Chrysanthemum indicum supplemented with diet contributed to a decrease in Nuclear Factor-κB (NF-κB) p65 protein expression (P < 0.05) and higher levels of DKK-1 and SOST proteins (P < 0.05). Therefore, we concluded that the beneficial role of Chrysanthemum indicum in AS is manifested through downregulating oxidative stress, inhibiting inflammatory mediators and NF-κB, and increasing DKK-1 and SOST levels.
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Atkinson SM, Nansen A. Pharmacological Value of Murine Delayed-type Hypersensitivity Arthritis: A Robust Mouse Model of Rheumatoid Arthritis in C57BL/6 Mice. Basic Clin Pharmacol Toxicol 2016; 120:108-114. [PMID: 27553641 DOI: 10.1111/bcpt.12657] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/25/2016] [Accepted: 08/16/2016] [Indexed: 12/12/2022]
Abstract
In this MiniReview, we summarize the body of knowledge on the delayed-type hypersensitivity arthritis (DTHA) model, a recently developed arthritis model with 100% incidence, low variation and synchronized onset in C57BL/6 (B6) mice, and compare it to other murine arthritis models. It is desirable to have robust arthritis models in B6 mice, as many transgene strains are bred on this background. However, several of the most widely used mouse model of arthritis cannot be induced in B6 mice without the drawback of lower incidence, reduced severity and higher variation, if at all. DTHA is induced by modifying a classical methylated bovine serum albumin (mBSA)-induced DTH response by administering a cocktail of anti-type II collagen antibodies (anti-CII) between immunization and challenge. Arthritis affects one, predefined paw in which acute inflammation and severe arthritis rapidly develop and peak after 4-7 days. Disease is self-resolving over the course of around 3 weeks. Disease manifestations resemble those seen in other arthritis models and include bone erosion, cartilage destruction, oedema, pannus and new bone formation. Induction of DTHA is dependent on CD4+ T cells while B cells are dispensable. The DTHA model is set apart from other murine arthritis models in that it can be induced in B6 mice with 100% incidence and with high and consistent severity. This is the clearest advantage of the model, as the mechanisms of disease and clinical manifestations can be found in other arthritis models. The model holds potential for future modifications that may improve the lack of chronicity.
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Affiliation(s)
- Sara Marie Atkinson
- Novo Nordisk & LIFE In Vivo Pharmacology Centre & the Danish In Vivo Pharmacology PhD Program, University of Copenhagen, Frederiksberg C, Denmark.,Diabetes Complications Research, Novo Nordisk A/S, Maaloev, Denmark
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Wei J, Hettinghouse A, Liu C. The role of progranulin in arthritis. Ann N Y Acad Sci 2016; 1383:5-20. [PMID: 27505256 DOI: 10.1111/nyas.13191] [Citation(s) in RCA: 46] [Impact Index Per Article: 5.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/15/2016] [Revised: 06/28/2016] [Accepted: 07/07/2016] [Indexed: 12/11/2022]
Abstract
Progranulin (PGRN) is a growth factor with a unique beads-on-a-string structure that is involved in multiple pathophysiological processes, including anti-inflammation, tissue repair, wound healing, neurodegenerative diseases, and tumorigenesis. This review presents up-to-date information concerning recent studies on the role of PGRN in inflammatory arthritis and osteoarthritis, with a special focus on the involvement of the interactions and interplay between PGRN and tumor necrosis factor receptor (TNFR) family members in regulating such musculoskeletal diseases. In addition, this paper highlights the applications of atsttrin, an engineered protein comprising three TNFR-binding fragments of PGRN, as a promising intervention in treating arthritis.
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Affiliation(s)
- Jianlu Wei
- Department of Orthopaedic Surgery, New York University Medical Center, New York, New York.,Department of Orthopaedic Surgery, Medical School of Shandong University, Jinan, Shandong, China
| | - Aubryanna Hettinghouse
- Department of Orthopaedic Surgery, New York University Medical Center, New York, New York
| | - Chuanju Liu
- Department of Orthopaedic Surgery, New York University Medical Center, New York, New York.,Department of Cell Biology, New York University School of Medicine, New York, New York
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González-Chávez SA, Quiñonez-Flores CM, Pacheco-Tena C. Molecular mechanisms of bone formation in spondyloarthritis. Joint Bone Spine 2016; 83:394-400. [DOI: 10.1016/j.jbspin.2015.07.008] [Citation(s) in RCA: 16] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/02/2015] [Accepted: 07/20/2015] [Indexed: 12/17/2022]
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Sakellariou GT, Iliopoulos A, Konsta M, Kenanidis E, Potoupnis M, Tsiridis E, Gavana E, Sayegh FE. Serum levels of Dkk-1, sclerostin and VEGF in patients with ankylosing spondylitis and their association with smoking, and clinical, inflammatory and radiographic parameters. Joint Bone Spine 2016; 84:309-315. [PMID: 27369645 DOI: 10.1016/j.jbspin.2016.05.008] [Citation(s) in RCA: 23] [Impact Index Per Article: 2.9] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/01/2016] [Accepted: 05/18/2016] [Indexed: 12/17/2022]
Abstract
OBJECTIVE To evaluate serum Dickkopf-1 (Dkk-1), sclerostin and vascular endothelial growth factor (VEGF) levels in patients with ankylosing spondylitis (AS) compared to healthy controls as well as their association with smoking, and clinical, inflammatory and radiographic parameters. METHODS Serum samples for total Dkk-1, sclerostin and VEGF were obtained from 57 tumour necrosis factor (TNF) inhibitor naïve patients with AS and 34 sex-, age- and body mass index (BMI)-matched controls. The erythrocyte sedimentation rate (ESR), C-reactive protein (CRP), Bath AS Disease Activity Index (BASDAI), Bath AS Functional Index (BASFI), modified Stroke AS Spine Score (mSASSS) and smoking status were assessed for each patient. RESULTS There was no significant difference in serum bone metabolism markers between AS patients and controls. Dkk-1 levels were significantly (P<0.05) higher in AS patients with elevated ESR and CRP and no syndesmophytes, and were significantly (P<0.001) correlated with sclerostin levels (r=0.592). VEGF levels were significantly (P<0.05) higher in AS patients with current and ever smoking, elevated ESR and CRP, and high BASDAI and BASFI, and were significantly (P<0.05) correlated with ESR (r=0.284), CRP (r=0.285), BASDAI (r=0.349) and BASFI (r=0.275). In multivariate regression analyses, high Dkk-1 levels were significantly (P≤0.001) associated with elevated ESR and CRP, no syndesmophytes and high sclerostin levels, and high VEGF levels significantly (P<0.05) with ever smoking, and elevated ESR and CRP. CONCLUSION In AS, serum Dkk-1 concentrations appear to be related not only to syndesmophyte formation but also to systemic inflammation. Furthermore, high VEGF levels may be associated with smoking exposure.
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Affiliation(s)
- Grigorios T Sakellariou
- Department of Rheumatology, 424 General Military Hospital, Ring Road N. Efkarpias, 564 03 Thessaloniki, Greece.
| | - Alexios Iliopoulos
- Department of Rheumatology, Veterans Administration Hospital (NIMTS), Athens, Greece
| | - Maria Konsta
- Department of Rheumatology, Veterans Administration Hospital (NIMTS), Athens, Greece
| | - Eustathios Kenanidis
- Academic Orthopaedic Unit, Aristotle University Medical School, Thessaloniki, Greece
| | - Michael Potoupnis
- Academic Orthopaedic Unit, Aristotle University Medical School, Thessaloniki, Greece
| | - Eleftherios Tsiridis
- Academic Orthopaedic Unit, Aristotle University Medical School, Thessaloniki, Greece
| | | | - Fares E Sayegh
- Academic Orthopaedic Unit, Aristotle University Medical School, Thessaloniki, Greece
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Quaden DHF, De Winter LM, Somers V. Detection of novel diagnostic antibodies in ankylosing spondylitis: An overview. Autoimmun Rev 2016; 15:820-32. [PMID: 27288842 DOI: 10.1016/j.autrev.2016.06.001] [Citation(s) in RCA: 24] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/30/2016] [Accepted: 06/05/2016] [Indexed: 12/17/2022]
Abstract
Ankylosing spondylitis (AS) is a debilitating, chronic, rheumatic disease characterized by inflammation and new bone formation resulting in fusion of the spine and sacroiliac joints. Since early treatment is impeded by a delayed diagnosis, it is highly important to find new biomarkers that improve early diagnosis and may also contribute to a better assessment of disease activity, prognosis and therapy response in AS. Because of the absence of rheumatoid factor, AS was long assumed to have a seronegative character and antibodies are thus not considered a hallmark of the disease. However, emerging evidence suggests plasma cells and autoantibodies to be involved in the disease course. In this review, the role of B cells and antibodies in AS is discussed. Furthermore, an overview is provided of antibodies identified in AS up till now, and their diagnostic potential. Many of these antibody responses were based on small study populations and further validation is lacking. Moreover, most were identified by a hypothesis-driven approach and thus limited to antibodies against targets that are already known to be involved in AS pathogenesis. Hence, we propose an unbiased approach to identify novel diagnostic antibodies. The already successfully applied techniques cDNA phage display and serological antigen selection will be used to identify antibodies against both known and new antigen targets in AS plasma. These newly identified antibodies will enhance early diagnosis of AS and provide more insight into the underlying disease pathology, resulting in a more effective treatment strategy and eventually an improved disease outcome.
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Affiliation(s)
- Dana H F Quaden
- Biomedical Research Institute and Transnationale Universiteit Limburg, School of Life Sciences, Hasselt University, Hasselt, Belgium
| | - Liesbeth M De Winter
- Biomedical Research Institute and Transnationale Universiteit Limburg, School of Life Sciences, Hasselt University, Hasselt, Belgium
| | - Veerle Somers
- Biomedical Research Institute and Transnationale Universiteit Limburg, School of Life Sciences, Hasselt University, Hasselt, Belgium.
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Prajzlerová K, Grobelná K, Pavelka K, Šenolt L, Filková M. An update on biomarkers in axial spondyloarthritis. Autoimmun Rev 2016; 15:501-9. [DOI: 10.1016/j.autrev.2016.02.002] [Citation(s) in RCA: 46] [Impact Index Per Article: 5.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/15/2016] [Accepted: 01/28/2016] [Indexed: 12/17/2022]
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Rossini M, Viapiana O, Idolazzi L, Ghellere F, Fracassi E, Troplini S, Povino MR, Kunnathully V, Adami S, Gatti D. Higher Level of Dickkopf-1 is Associated with Low Bone Mineral Density and Higher Prevalence of Vertebral Fractures in Patients with Ankylosing Spondylitis. Calcif Tissue Int 2016; 98:438-45. [PMID: 26645432 DOI: 10.1007/s00223-015-0093-3] [Citation(s) in RCA: 35] [Impact Index Per Article: 4.4] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 08/28/2015] [Accepted: 11/23/2015] [Indexed: 12/11/2022]
Abstract
Patients with ankylosing spondylitis (AS) have an increased risk of bone loss and vertebral fractures. In this study, we explored the hypothesis that the excess bone loss and vertebral fractures might be related with the activity of the Wingless signaling pathway, and in particular with the serum levels of its circulating inhibitors, Sclerostin and Dickkopf-1 (DKK1). We recruited 71 patients diagnosed with AS. Lateral radiographs of the total spine were analyzed to detect the presence of vertebral fractures, and bone mineral density (BMD) was assessed in all patients using dual X-ray absorptiometry at lumbar spine and proximal femoral site. Blood samples were obtained and levels of C-reactive protein (CRP), DKK1, and Sclerostin were measured. Blood samples from 71 healthy sex- and age-matched volunteers were collected to be used as controls. Vertebral fractures were detected more commonly among men than in women (29 vs 8 %, respectively). DKK1, but not Sclerostin serum levels, were inversely correlated to lumbar spine Z-score BMD. Patients with one or more prevalent vertebral fractures had significantly higher DKK1 levels, without significant difference in Sclerostin serum levels. A significant positive correlation was found between DKK1 serum levels and CRP (r = 0.240, p = 0.043). The association we found between serum DKK1 levels and BMD values and vertebral fracture prevalence suggests that DKK1 might contribute to the severity of osteoporosis in AS.
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Affiliation(s)
- Maurizio Rossini
- Rheumatology Unit, Department of Medicine, University of Verona, Policlinico Borgo Roma, Piazzale Scuro, 10, 37134, Verona, Italy.
| | - Ombretta Viapiana
- Rheumatology Unit, Department of Medicine, University of Verona, Policlinico Borgo Roma, Piazzale Scuro, 10, 37134, Verona, Italy
| | - Luca Idolazzi
- Rheumatology Unit, Department of Medicine, University of Verona, Policlinico Borgo Roma, Piazzale Scuro, 10, 37134, Verona, Italy
| | - Francesco Ghellere
- Rheumatology Unit, Department of Medicine, University of Verona, Policlinico Borgo Roma, Piazzale Scuro, 10, 37134, Verona, Italy
| | - Elena Fracassi
- Rheumatology Unit, Department of Medicine, University of Verona, Policlinico Borgo Roma, Piazzale Scuro, 10, 37134, Verona, Italy
| | - Sonila Troplini
- Rheumatology Unit, Department of Medicine, University of Verona, Policlinico Borgo Roma, Piazzale Scuro, 10, 37134, Verona, Italy
| | - Maria Rosaria Povino
- Rheumatology Unit, Department of Medicine, University of Verona, Policlinico Borgo Roma, Piazzale Scuro, 10, 37134, Verona, Italy
| | - Vidya Kunnathully
- Rheumatology Unit, Department of Medicine, University of Verona, Policlinico Borgo Roma, Piazzale Scuro, 10, 37134, Verona, Italy
| | - Silvano Adami
- Rheumatology Unit, Department of Medicine, University of Verona, Policlinico Borgo Roma, Piazzale Scuro, 10, 37134, Verona, Italy
| | - Davide Gatti
- Rheumatology Unit, Department of Medicine, University of Verona, Policlinico Borgo Roma, Piazzale Scuro, 10, 37134, Verona, Italy
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Zou YC, Yang XW, Yuan SG, Zhang P, Ye YL, Li YK. Downregulation of dickkopf-1 enhances the proliferation and osteogenic potential of fibroblasts isolated from ankylosing spondylitis patients via the Wnt/β-catenin signaling pathway in vitro. Connect Tissue Res 2016; 57:200-11. [PMID: 26837533 DOI: 10.3109/03008207.2015.1127916] [Citation(s) in RCA: 27] [Impact Index Per Article: 3.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 02/03/2023]
Abstract
BACKGROUND Heterotopic ossification of the entheses is one of the most distinctive features in ankylosing spondylitis (AS). Fibroblasts are potential target cells for heterotopic ossification. The Wnt/β-catenin pathway and its inhibitor dickkopf-1 (DKK-1) regulate bone formation. DKK-1 expression in human AS tissues has not been documented. OBJECTIVE The purpose of the current study was to investigate the expression of DKK-1 in AS tissues and to elucidate its role in fibroblasts proliferation and osteogenesis in AS. METHODS DKK-1 expression was assessed by western blotting, real time-polymerase chain reaction (RT-PCR), and immunohistochemistry analysis of hip synovial tissues obtained from AS and control patients. Fibroblasts were isolated, cultured, and transfected with lentiviral vectors for overexpressing human DKK-1 or an shRNA for silencing DKK-1. MTS [(4,5-dimethylthiazol-2-yl)-5-(3-carboxymethoxyphenyl) 2-(4-sulfophenyl)-2H-tetrazolium] and a 5-ethynyl-2'-deoxyuridine (EdU) incorporation assay were used to detect AS fibroblasts proliferation after transfection. The expression levels of β-catenin, phosphorylated β-catenin, c-Myc, cyclin D1, and the osteogenesis markers alkaline phosphatase (ALP), osteocalcin (OCN), and Runt-related transcription factor 2 (Runx2) were then examined by western blot analysis. Alizarin red staining (ARS) was also used to observe biomineralization activity. RESULTS DKK-1 was downregulated in hip synovial tissues from AS patients compared to that observed in controls. AS fibroblasts exhibited excessive proliferation, a higher growth rate, and a decreased apoptotic rate. EdU assay demonstrated that DKK-1 suppressed the growth of AS fibroblasts. Downregulation of DKK-1 decreased the phosphorylation of β-catenin and upregulated the expression of β-catenin, c-Myc, cyclin D1, and osteogenesis markers. Overexpression of DKK-1 had the opposite effect, resulting in the inhibition of the Wnt/β-catenin pathway. ARS showed an increase in biomineralization activity after the inhibition of DKK-1. CONCLUSIONS AS fibroblasts are characterized by an imbalance between proliferation and apoptosis. DKK-1 may play a role in switching to new bone formation in AS progression.
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Affiliation(s)
- Yu-Cong Zou
- a School of Traditional Chinese Medicine , Southern Medical University , Guangzhou , China
| | - Xian-Wen Yang
- b The Third Affiliated Hospital , Guangzhou University of Traditional Chinese Medicine , Guangzhou , China
| | - Shi-Guo Yuan
- a School of Traditional Chinese Medicine , Southern Medical University , Guangzhou , China
| | - Pei Zhang
- a School of Traditional Chinese Medicine , Southern Medical University , Guangzhou , China
| | - Yong-Liang Ye
- c Department of Emergency , Guang Zhou Orthopedics Hospital , Guangzhou , China
| | - Yi-Kai Li
- a School of Traditional Chinese Medicine , Southern Medical University , Guangzhou , China
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Alteration of Bone Turnover Markers in Canonical Wingless Pathway in Patients With Ankylosing Spondylitis. Arch Rheumatol 2016; 31:221-228. [PMID: 29900942 DOI: 10.5606/archrheumatol.2016.5857] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/18/2015] [Accepted: 02/04/2016] [Indexed: 02/06/2023] Open
Abstract
Objectives This study aims to determine the levels of bone turnover markers in canonical wingless pathway in patients with ankylosing spondylitis (AS) and the correlation with disease activity indexes. Patients and methods We recruited a total of 43 AS patients (34 males, 8 females; mean age 36.8±9.3 years; range 22 to 62 years) and age- and sex-matched 42 healthy controls (32 males, 10 females; mean age 36.1±9.7; range 24 to 59 years). Serum levels of components of canonical wingless pathway including Dickkopf-1, glycogen synthase kinase-3β, β-catenin, alkaline phosphatase, and osteocalcin were detected using enzyme- linked immunosorbent assay method. All patients were assessed in terms of erythrocyte sedimentation rate, C-reactive protein, Bath Ankylosing Spondylitis Disease Activity Index, Bath Ankylosing Spondylitis Functional Index, Ankylosing Spondylitis Disease Activity Score, and the modified Stoke's Ankylosing Spondylitis Spine Score. Pearson's correlation test was used to analyze the correlation between serum bone turnover markers and clinical assessment indexes. Results No significant difference was observed between AS patients and healthy controls for the levels of glycogen synthase kinase-3β, β-catenin, alkaline phosphatase, and osteocalcin, respectively (p>0.05). The level of Dickkopf-1 was significantly higher in AS patients (1914.5±407.8 pg/mL) than in healthy controls (1729.1±352.9 pg/mL) (p<0.05). There was no correlation between high Dickkopf-1 level and any of the clinical parameters contributing to inflammation or bone formation. However, the correlation between osteocalcin and disease duration was significant in AS patients (r=0.323, p=0.034). Conclusion Alteration of bone turnover markers in canonical wingless pathway was observed in AS. This might partially explain the complicated mechanism of bone formation in the disease.
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Yang M, Yuan H, Miao M, Xu W. The osteogenic potential of ligament fibroblasts is greater in ankylosing spondylitis patients than in patients with osteoarthritis. Z Rheumatol 2016; 74:340-5. [PMID: 25876050 DOI: 10.1007/s00393-014-1394-z] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/20/2022]
Abstract
BACKGROUND The goal of the present study was to investigate the osteogenic potential of ligament fibroblasts from patients with ankylosing spondylitis (AS). MATERIALS AND METHODS Ligament fibroblasts were isolated from tissues harvested from AS patients and patients with aseptic necrosis of the femoral head (ANFH) who had undergone total hip arthroplasty (THA). Cells were cultured in osteogenic induction medium (OIM) with or without bone morphogenetic protein 2 (BMP-2) for 30 days. During this time, the levels of alkaline phosphatase (ALP) and osteocalcin (OC) were determined as markers of osteogenesis. RESULTS Ligament fibroblasts isolated from patients with AS exhibited significantly greater potential for differentiation than those isolated from patients with osteoarthritis (ANFH). CONCLUSION These findings illuminate osteogenesis as a new pathway for studying the mechanism underlying ankylosis in AS patients. Factors which cause localized stromal remodeling at the enthesis significantly influence formation of new bone and further research is required to determine the mechanisms responsible for the osteogenic potential of enthesis cells and ligament fibroblasts in AS patients.
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Affiliation(s)
- M Yang
- Department of Orthopedics, Changhai Hospital, the Second Military Medical University, 200433, Shanghai, P. R. China
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Tseng HW, Pitt ME, Glant TT, McRae AF, Kenna TJ, Brown MA, Pettit AR, Thomas GP. Inflammation-driven bone formation in a mouse model of ankylosing spondylitis: sequential not parallel processes. Arthritis Res Ther 2016; 18:35. [PMID: 26831337 PMCID: PMC4734853 DOI: 10.1186/s13075-015-0805-0] [Citation(s) in RCA: 33] [Impact Index Per Article: 4.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/08/2015] [Accepted: 09/28/2015] [Indexed: 01/21/2023] Open
Abstract
Background Ankylosing spondylitis (AS) is an immune-mediated arthritis particularly targeting the spine and pelvis and is characterised by inflammation, osteoproliferation and frequently ankylosis. Current treatments that predominately target inflammatory pathways have disappointing efficacy in slowing disease progression. Thus, a better understanding of the causal association and pathological progression from inflammation to bone formation, particularly whether inflammation directly initiates osteoproliferation, is required. Methods The proteoglycan-induced spondylitis (PGISp) mouse model of AS was used to histopathologically map the progressive axial disease events, assess molecular changes during disease progression and define disease progression using unbiased clustering of semi-quantitative histology. PGISp mice were followed over a 24-week time course. Spinal disease was assessed using a novel semi-quantitative histological scoring system that independently evaluated the breadth of pathological features associated with PGISp axial disease, including inflammation, joint destruction and excessive tissue formation (osteoproliferation). Matrix components were identified using immunohistochemistry. Results Disease initiated with inflammation at the periphery of the intervertebral disc (IVD) adjacent to the longitudinal ligament, reminiscent of enthesitis, and was associated with upregulated tumor necrosis factor and metalloproteinases. After a lag phase, established inflammation was temporospatially associated with destruction of IVDs, cartilage and bone. At later time points, advanced disease was characterised by substantially reduced inflammation, excessive tissue formation and ectopic chondrocyte expansion. These distinct features differentiated affected mice into early, intermediate and advanced disease stages. Excessive tissue formation was observed in vertebral joints only if the IVD was destroyed as a consequence of the early inflammation. Ectopic excessive tissue was predominantly chondroidal with chondrocyte-like cells embedded within collagen type II- and X-rich matrix. This corresponded with upregulation of mRNA for cartilage markers Col2a1, sox9 and Comp. Osteophytes, though infrequent, were more prevalent in later disease. Conclusions The inflammation-driven IVD destruction was shown to be a prerequisite for axial disease progression to osteoproliferation in the PGISp mouse. Osteoproliferation led to vertebral body deformity and fusion but was never seen concurrent with persistent inflammation, suggesting a sequential process. The findings support that early intervention with anti-inflammatory therapies will be needed to limit destructive processes and consequently prevent progression of AS. Electronic supplementary material The online version of this article (doi:10.1186/s13075-015-0805-0) contains supplementary material, which is available to authorized users.
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Affiliation(s)
- Hsu-Wen Tseng
- The University of Queensland Diamantina Institute, Translational Research Institute, 37 Kent Street, Woolloongabba, QLD, 4102, Australia.
| | - Miranda E Pitt
- The University of Queensland Diamantina Institute, Translational Research Institute, 37 Kent Street, Woolloongabba, QLD, 4102, Australia.
| | - Tibor T Glant
- Section of Molecular Medicine, Department of Orthopedic Surgery, Rush University Medical Center, 1735 W. Harrison Street, Cohn Research Building, Chicago, IL, 60612, USA.
| | - Allan F McRae
- The University of Queensland Diamantina Institute, Translational Research Institute, 37 Kent Street, Woolloongabba, QLD, 4102, Australia. .,The University of Queensland, Queensland Brain Institute, QBI Building, St Lucia, QLD, 4072, Australia.
| | - Tony J Kenna
- The University of Queensland Diamantina Institute, Translational Research Institute, 37 Kent Street, Woolloongabba, QLD, 4102, Australia.
| | - Matthew A Brown
- The University of Queensland Diamantina Institute, Translational Research Institute, 37 Kent Street, Woolloongabba, QLD, 4102, Australia.
| | - Allison R Pettit
- The University of Queensland-Mater Research Institute, Translational Research Institute, 37 Kent Street, Woolloongabba, QLD, 4102, Australia.
| | - Gethin P Thomas
- The University of Queensland Diamantina Institute, Translational Research Institute, 37 Kent Street, Woolloongabba, QLD, 4102, Australia.
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Atkinson SM, Hoffmann U, Hamann A, Bach E, Danneskiold-Samsøe NB, Kristiansen K, Serikawa K, Fox B, Kruse K, Haase C, Skov S, Nansen A. Depletion of regulatory T cells leads to an exacerbation of delayed-type hypersensitivity arthritis in C57BL/6 mice that can be counteracted by IL-17 blockade. Dis Model Mech 2016; 9:427-40. [PMID: 26822477 PMCID: PMC4852503 DOI: 10.1242/dmm.022905] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/21/2015] [Accepted: 01/22/2016] [Indexed: 12/19/2022] Open
Abstract
Rodent models of arthritis have been extensively used in the elucidation of rheumatoid arthritis (RA) pathogenesis and are instrumental in the development of therapeutic strategies. Here we utilise delayed-type hypersensitivity arthritis (DTHA), a model in C57BL/6 mice affecting one paw with synchronised onset, 100% penetrance and low variation. We investigate the role of regulatory T cells (Tregs) in DTHA through selective depletion of Tregsand the role of IL-17 in connection with Tregdepletion. Given the relevance of Tregsin RA, and the possibility of developing Treg-directed therapies, this approach could be relevant for advancing the understanding of Tregsin inflammatory arthritis. Selective depletion of Tregswas achieved using aFoxp3-DTR-eGFPmouse, which expresses the diphtheria toxin receptor (DTR) and enhanced green fluorescent protein (eGFP) under control of theFoxp3gene. Anti-IL-17 monoclonal antibody (mAb) was used for IL-17 blockade. Numbers and activation of Tregsincreased in the paw and its draining lymph node in DTHA, and depletion of Tregsresulted in exacerbation of disease as shown by increased paw swelling, increased infiltration of inflammatory cells, increased bone remodelling and increased production of inflammatory mediators, as well as increased production of anti-citrullinated protein antibodies. Anti-IL-17 mAb treatment demonstrated that IL-17 is important for disease severity in both the presence and absence of Tregs, and that IL-17 blockade is able to rescue mice from the exacerbated disease caused by Tregdepletion and caused a reduction in RANKL, IL-6 and the number of neutrophils. We show that Tregsare important for the containment of inflammation and bone remodelling in DTHA. To our knowledge, this is the first study using theFoxp3-DTR-eGFPmouse on a C57BL/6 background for Tregdepletion in an arthritis model, and we here demonstrate the usefulness of the approach to study the role of Tregsand IL-17 in arthritis.
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Affiliation(s)
- Sara Marie Atkinson
- Department of Diabetes Complications Research, Global Research, Novo Nordisk A/S, Maaloev 2760, Denmark Department of Veterinary Disease Biology, University of Copenhagen, Frederiksberg 1870, Denmark
| | - Ute Hoffmann
- Experimentelle Rheumatologie, Deutsches Rheuma-Forschungszentrum and Charité-Universitätsmedizin Berlin, Berlin 10117, Germany
| | - Alf Hamann
- Experimentelle Rheumatologie, Deutsches Rheuma-Forschungszentrum and Charité-Universitätsmedizin Berlin, Berlin 10117, Germany
| | - Emil Bach
- Laboratory of Genomics and Molecular Biomedicine, Department of Biology, University of Copenhagen, Copenhagen 2100, Denmark
| | | | - Karsten Kristiansen
- Laboratory of Genomics and Molecular Biomedicine, Department of Biology, University of Copenhagen, Copenhagen 2100, Denmark
| | | | - Brian Fox
- Immunexpress, Seattle, WA 98109, USA
| | - Kim Kruse
- Department of Diabetes Complications Research, Global Research, Novo Nordisk A/S, Maaloev 2760, Denmark
| | - Claus Haase
- Department of Diabetes Complications Research, Global Research, Novo Nordisk A/S, Maaloev 2760, Denmark
| | - Søren Skov
- Department of Veterinary Disease Biology, University of Copenhagen, Frederiksberg 1870, Denmark
| | - Anneline Nansen
- Department of Pharmacology, Zealand Pharma, Glostrup 2600, Denmark
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Haynes KR, Tseng HW, Kneissel M, Glant TT, Brown MA, Thomas GP. Treatment of a mouse model of ankylosing spondylitis with exogenous sclerostin has no effect on disease progression. BMC Musculoskelet Disord 2015; 16:368. [PMID: 26612313 PMCID: PMC4662039 DOI: 10.1186/s12891-015-0823-8] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 07/24/2015] [Accepted: 11/20/2015] [Indexed: 11/20/2022] Open
Abstract
Background No treatment to date is available which specifically targets bone formation in ankylosing spondylitis (AS). Several recent studies have shown that sclerostin (SOST), a Wnt inhibitor specific to osteocytes and chondrocytes, is down-regulated in AS patients. This suggests Wnt signalling may be upregulated, and application of exogenous recombinant SOST (rSOST) may inhibit Wnt signalling and slow pathological bone formation. Methods The proteoglycan-induced spondylitis (PGISp) mouse model in which we have previously demonstrated downregulated SOST expression, was used for this study. Mice were injected with 2.5ug rSOST/day for a period of 8 weeks following induction of disease. Axial skeleton disease development was assessed by histology and skeletal changes examined using DEXA. Results rSOST treatment had no effect on peripheral or axial disease development, bone density or disease severity. Injected rSOST was stable over 8 h and residual levels were evident 24 h after injection, resulting in a cumulative increase in SOST serum levels over the treatment time course. Immunohistochemical examination of SOST levels within the joints in non-rSOST treated PGISp mice showed a significant decrease in the percentage of positive osteocytes in the unaffected joints compared to the affected joints, while no difference was seen in rSOST treated mice. This suggests that rSOST treatment increases the number of SOST-positive osteocytes in unaffected joints but not affected joints, despite having no impact on the number of joints affected by disease. Conclusions Although not disease-modifying, rSOST treatment did appear to regulate SOST levels in the joints suggesting biological activity. Further dose response studies are required and SOST may require modifications to improve its bone targeting ability in order to affect tissue formation to a meaningful level in this model.
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Affiliation(s)
- Katelin R Haynes
- The University of Queensland Diamantina Institute, Translational Research Institute, Princess Alexandra Hospital, Woolloongabba, Queensland, Australia.
| | - Hsu-Wen Tseng
- The University of Queensland Diamantina Institute, Translational Research Institute, Princess Alexandra Hospital, Woolloongabba, Queensland, Australia.
| | - Michaela Kneissel
- Musculoskeletal Disease Area, Novartis Institutes for Biomedical Research, Basel, Switzerland.
| | - Tibor T Glant
- Section of Molecular Medicine, Department of Orthopedic Surgery, Rush University Medical Center, Chicago, Illinois, USA.
| | - Matthew A Brown
- The University of Queensland Diamantina Institute, Translational Research Institute, Princess Alexandra Hospital, Woolloongabba, Queensland, Australia.
| | - Gethin P Thomas
- The University of Queensland Diamantina Institute, Translational Research Institute, Princess Alexandra Hospital, Woolloongabba, Queensland, Australia.
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Shaw AT, Gravallese EM. Mediators of inflammation and bone remodeling in rheumatic disease. Semin Cell Dev Biol 2015; 49:2-10. [PMID: 26481971 DOI: 10.1016/j.semcdb.2015.10.013] [Citation(s) in RCA: 62] [Impact Index Per Article: 6.9] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/07/2015] [Accepted: 10/09/2015] [Indexed: 12/17/2022]
Abstract
Remodeling of bone is a continuous process that occurs throughout life. Under normal physiologic conditions, bone-resorbing osteoclasts and bone-forming osteoblasts are tightly coupled and regulated to ensure proper balance, such that there is no net change in bone mass. However, inflammation perturbs normal bone homeostasis. The impact of inflammation on bone is dependent upon the anatomic site affected, cell types, factors and cytokines present in the local microenvironment, and local mechanical forces. Cytokines are central to the pathogenesis of inflammation-induced bone loss and contribute to the uncoupling of osteoclast-mediated bone resorption and osteoblast-mediated bone formation, thereby disrupting normal remodeling. In this review, we will discuss the effects of cytokines on bone in two settings, rheumatoid arthritis and spondyloarthritis, a disease category that includes ankylosing spondylitis, psoriatic arthritis, reactive arthritis, inflammatory bowel disease, and juvenile onset spondyloarthropathy. The outcome for bone in these disease settings is quite different, and an understanding of the pathogenic mechanisms leading to the net impact on bone has been essential in developing new therapeutic approaches to bone health in these diseases.
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Affiliation(s)
- Anita T Shaw
- Department of Medicine, Division of Rheumatology, University of Massachusetts Medical School, Worcester, MA 01605, USA.
| | - Ellen M Gravallese
- Department of Medicine, Division of Rheumatology, University of Massachusetts Medical School, Worcester, MA 01605, USA.
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