51
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Singh V, Kalliolias GD, Ostaszewski M, Veyssiere M, Pilalis E, Gawron P, Mazein A, Bonnet E, Petit-Teixeira E, Niarakis A. RA-map: building a state-of-the-art interactive knowledge base for rheumatoid arthritis. Database (Oxford) 2020; 2020:baaa017. [PMID: 32311035 PMCID: PMC7170216 DOI: 10.1093/database/baaa017] [Citation(s) in RCA: 15] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/07/2019] [Revised: 01/21/2020] [Accepted: 02/13/2020] [Indexed: 02/07/2023]
Abstract
Rheumatoid arthritis (RA) is a progressive, inflammatory autoimmune disease of unknown aetiology. The complex mechanism of aetiopathogenesis, progress and chronicity of the disease involves genetic, epigenetic and environmental factors. To understand the molecular mechanisms underlying disease phenotypes, one has to place implicated factors in their functional context. However, integration and organization of such data in a systematic manner remains a challenging task. Molecular maps are widely used in biology to provide a useful and intuitive way of depicting a variety of biological processes and disease mechanisms. Recent large-scale collaborative efforts such as the Disease Maps Project demonstrate the utility of such maps as versatile tools to organize and formalize disease-specific knowledge in a comprehensive way, both human and machine-readable. We present a systematic effort to construct a fully annotated, expert validated, state-of-the-art knowledge base for RA in the form of a molecular map. The RA map illustrates molecular and signalling pathways implicated in the disease. Signal transduction is depicted from receptors to the nucleus using the Systems Biology Graphical Notation (SBGN) standard representation. High-quality manual curation, use of only human-specific studies and focus on small-scale experiments aim to limit false positives in the map. The state-of-the-art molecular map for RA, using information from 353 peer-reviewed scientific publications, comprises 506 species, 446 reactions and 8 phenotypes. The species in the map are classified to 303 proteins, 61 complexes, 106 genes, 106 RNA entities, 2 ions and 7 simple molecules. The RA map is available online at ramap.elixir-luxembourg.org as an open-access knowledge base allowing for easy navigation and search of molecular pathways implicated in the disease. Furthermore, the RA map can serve as a template for omics data visualization.
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Affiliation(s)
- Vidisha Singh
- Laboratoire Européen de Recherche pour la Polyarthrite Rhumatoïde - Genhotel, Univ Evry, Université Paris-Saclay, 2, rue Gaston Crémieux, 91057 EVRY-GENOPOLE cedex, Evry, France
| | - George D Kalliolias
- Arthritis and Tissue Degeneration Program, Hospital for Special Surgery, 535 East 70th Street, New York, NY 10021, USA
- Weill Cornell Medical Center, Weill Department of Medicine, 525 East 68th Street, New York, NY 10065, USA
| | - Marek Ostaszewski
- Luxembourg Centre for Systems Biomedicine, University of Luxembourg, 6 Avenue du Swing, L-4367 Belvaux, Luxembourg
| | - Maëva Veyssiere
- Laboratoire Européen de Recherche pour la Polyarthrite Rhumatoïde - Genhotel, Univ Evry, Université Paris-Saclay, 2, rue Gaston Crémieux, 91057 EVRY-GENOPOLE cedex, Evry, France
| | - Eleftherios Pilalis
- eNIOS Applications P.C., R&D department, Alexandrou Pantou 25, 17671, Kallithea-Athens, Greece
| | - Piotr Gawron
- Luxembourg Centre for Systems Biomedicine, University of Luxembourg, 6 Avenue du Swing, L-4367 Belvaux, Luxembourg
| | - Alexander Mazein
- Luxembourg Centre for Systems Biomedicine, University of Luxembourg, 6 Avenue du Swing, L-4367 Belvaux, Luxembourg
| | - Eric Bonnet
- Centre National de Recherche en Génomique Humaine (CNRGH), CEA, 2 rue Gaston Crémieux, CP5706 91057 EVRY-GENOPOLE cedex, Evry, France
| | - Elisabeth Petit-Teixeira
- Laboratoire Européen de Recherche pour la Polyarthrite Rhumatoïde - Genhotel, Univ Evry, Université Paris-Saclay, 2, rue Gaston Crémieux, 91057 EVRY-GENOPOLE cedex, Evry, France
| | - Anna Niarakis
- Laboratoire Européen de Recherche pour la Polyarthrite Rhumatoïde - Genhotel, Univ Evry, Université Paris-Saclay, 2, rue Gaston Crémieux, 91057 EVRY-GENOPOLE cedex, Evry, France
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52
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Inoue K, Hu X, Zhao B. Regulatory network mediated by RBP-J/NFATc1-miR182 controls inflammatory bone resorption. FASEB J 2019; 34:2392-2407. [PMID: 31908034 DOI: 10.1096/fj.201902227r] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/03/2019] [Revised: 11/21/2019] [Accepted: 11/29/2019] [Indexed: 12/13/2022]
Abstract
Bone resorption is a severe consequence of inflammatory diseases associated with osteolysis, such as rheumatoid arthritis (RA), often leading to disability in patients. In physiological conditions, the differentiation of bone-resorbing osteoclasts is delicately regulated by the balance between osteoclastogenic and anti-osteoclastogenic mechanisms. Inflammation has complex impact on osteoclastogenesis and bone destruction, and the underlying mechanisms of which, especially feedback inhibition, are underexplored. Here, we identify a novel regulatory network mediated by RBP-J/NFATc1-miR182 in TNF-induced osteoclastogenesis and inflammatory bone resorption. This network includes negative regulator RBP-J and positive regulators, NFATc1 and miR182, of osteoclast differentiation. In this network, miR182 is a direct target of both RBP-J and NFATc1. RBP-J represses, while NFATc1 activates miR182 expression through binding to specific open chromatin regions in the miR182 promoter. Inhibition of miR182 by RBP-J servers as a critical mechanism that limits TNF-induced osteoclast differentiation and inflammatory bone resorption. Inflammation, such as that which occurs in RA, shifts the expression levels of the components in this network mediated by RBP-J/NFATc1-miR182-FoxO3/PKR (previously identified miR182 targets) towards more osteoclastogenic, rather than healthy conditions. Treatment with TNF inhibitors in RA patients reverses the expression changes of the network components and osteoclastogenic potential. Thus, this network controls the balance between activating and repressive signals that determine the extent of osteoclastogenesis. These findings collectively highlight the biological significance and translational implication of this newly identified intrinsic regulatory network in inflammatory osteoclastogenesis and osteolysis.
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Affiliation(s)
- Kazuki Inoue
- Arthritis and Tissue Degeneration Program and David Z. Rosensweig Genomics Research Center, Hospital for Special Surgery, New York, NY, USA.,Department of Medicine, Weill Cornell Medical College, New York, NY, USA
| | - Xiaoyu Hu
- Institute for Immunology and School of Medicine, Tsinghua University, Beijing, China
| | - Baohong Zhao
- Arthritis and Tissue Degeneration Program and David Z. Rosensweig Genomics Research Center, Hospital for Special Surgery, New York, NY, USA.,Department of Medicine, Weill Cornell Medical College, New York, NY, USA.,Graduate Program in Cell and Development Biology, Weill Cornell Graduate School of Medical Sciences of Cornell University, New York, NY, USA
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53
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Naser A, Odeh AK, Sharp RC, Qasem A, Beg S, Naser SA. Polymorphisms in TNF Receptor Superfamily 1B ( TNFRSF1B:rs3397) are Linked to Mycobacterium avium paratuberculosis Infection and Osteoporosis in Rheumatoid Arthritis. Microorganisms 2019; 7:E646. [PMID: 31817071 PMCID: PMC6955732 DOI: 10.3390/microorganisms7120646] [Citation(s) in RCA: 11] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/30/2019] [Revised: 11/19/2019] [Accepted: 11/28/2019] [Indexed: 12/11/2022] Open
Abstract
We previously discovered that single nucleotide polymorphisms (SNPs) in PTPN2/22 (T-cell negative-regulators) occur in 78% of rheumatoid arthritis (RA), along with Mycobacterium avium paratuberculosis (MAP) infection in 33% of patients. In Crohn's disease, we reported that SNPs in TNFα and receptors (TNFRSF1A/TNFRSF1B) benefited intracellular MAP-survival, increased infection, and elevated inflammatory response mimicking the poor response to anti-TNFα treatment in some patients. Here, we studied the frequency and effects of SNPs in TNFα/TNFRSF1A/TNFRSF1B in RA including gene expression, MAP infection, and osteoporosis marker levels in blood (54 RA and 48 healthy controls). TNFα:rs1800629 (GA) was detected in 19/48 (40%) RA and 8/54 (15%) controls (p-value < 0.05, odds ratio (OR) = 3.6, 95% CI: 1.37-9.54). TNFRS1B:rs3397 (CT) was detected in 21/48 (44%) RA and 10/54 (19%) controls (p-value < 0.05, OR = 4.43, 95% CI: 1.73-11.33). In RA, rs3397 downregulated TNFRSF1B expression (CC > CT (0.34 ± 0.14) and CC > TT (0.27 ± 0.12)), compared to wildtype CC (0.51 ± 0.17), p-value < 0.05. MAP DNA was detected significantly in 17/48 (35.4%) RA compared to 11/54 (20.4%) controls (p-value < 0.05, OR = 2.14, 95% CI: 1.12-5.20). The average osteocalcin level was significantly lower (p-value < 0.05) in RA (2.70 ± 0.87 ng/mL), RA + MAP (0.60 ± 0.31 ng/mL), RA + TNFRSF1B:rs3397 (TT) (0.67 ± 0.35 ng/mL), compared to the healthy control (5.31 ± 1.39 ng/mL), and MAP-free RA (3.85 ± 1.31 ng/mL). Overall, rs3397 appears to downregulate TNFRSF1B, increase MAP infection, worsen inflammation, and cause osteocalcin deficiency and possibly osteoporosis in RA.
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Affiliation(s)
- Amna Naser
- Department of Anatomy and Cell Biology, Brody School of Medicine. East Carolina University, Greenville, NC 27858, USA;
| | - Ahmad K. Odeh
- Division of Molecular Microbiology, Burnett School of Biomedical Sciences, College of Medicine, University of Central Florida, Orlando, FL 32816, USA; (A.K.O.); (A.Q.)
| | - Robert C. Sharp
- Department of Pathology, Immunology and Laboratory Medicine, College of Medicine, University of Florida, Gainesville, FL 32611, USA;
| | - Ahmad Qasem
- Division of Molecular Microbiology, Burnett School of Biomedical Sciences, College of Medicine, University of Central Florida, Orlando, FL 32816, USA; (A.K.O.); (A.Q.)
| | - Shazia Beg
- College of Medicine, UCF Health, University of Central Florida, Orlando, FL 32827, USA;
| | - Saleh A. Naser
- Division of Molecular Microbiology, Burnett School of Biomedical Sciences, College of Medicine, University of Central Florida, Orlando, FL 32816, USA; (A.K.O.); (A.Q.)
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Abstract
PURPOSE OF REVIEW To summarize the literature regarding alterations in bone health in patients with glomerular kidney disease and highlight areas in need of additional investigation. RECENT FINDINGS There is mounting evidence that children and adults with glomerular conditions, with or without compromised kidney function, comprise a distinct subgroup of patients with unique risk factors for altered bone health. Patients with glomerular kidney disease are exposed to both disease-related and treatment-related factors that affect bone structure and function. In addition to chronic kidney disease-related risk factors for impaired bone health, high rates of exposure to osteotoxic medications, varying degrees of systemic inflammation, and altered vitamin D metabolism may contribute to compromised bone health in individuals with glomerular disease. Further study is needed to better understand these risk factors and the complex interaction between the immune system and bone cells in glomerular disease.
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Affiliation(s)
- Dorey A Glenn
- UNC Kidney Center, Universirty of North Carolina at Chapel Hill, 7024 Burnett Womack Building, Chapell Hill, NC, 27599-7155, USA
| | - Michelle R Denburg
- The Children's Hospital of Philadelphia, Perelman School of Medicine at the University of Pennsylvania, Philadelphia, PA, USA.
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55
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The Endocannabinoid System in Pediatric Inflammatory and Immune Diseases. Int J Mol Sci 2019; 20:ijms20235875. [PMID: 31771129 PMCID: PMC6928713 DOI: 10.3390/ijms20235875] [Citation(s) in RCA: 25] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/02/2019] [Revised: 11/19/2019] [Accepted: 11/20/2019] [Indexed: 12/26/2022] Open
Abstract
Endocannabinoid system consists of cannabinoid type 1 (CB1) and cannabinoid type 2 (CB2) receptors, their endogenous ligands, and the enzymes responsible for their synthesis and degradation. CB2, to a great extent, and CB1, to a lesser extent, are involved in regulating the immune response. They also regulate the inflammatory processes by inhibiting pro-inflammatory mediator release and immune cell proliferation. This review provides an overview on the role of the endocannabinoid system with a major focus on cannabinoid receptors in the pathogenesis and onset of inflammatory and autoimmune pediatric diseases, such as immune thrombocytopenia, juvenile idiopathic arthritis, inflammatory bowel disease, celiac disease, obesity, neuroinflammatory diseases, and type 1 diabetes mellitus. These disorders have a high social impact and represent a burden for the healthcare system, hence the importance of individuating more innovative and effective treatments. The endocannabinoid system could address this need, representing a possible new diagnostic marker and therapeutic target.
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56
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Kumar G, Roger PM. From Crosstalk between Immune and Bone Cells to Bone Erosion in Infection. Int J Mol Sci 2019; 20:ijms20205154. [PMID: 31627424 PMCID: PMC6834200 DOI: 10.3390/ijms20205154] [Citation(s) in RCA: 32] [Impact Index Per Article: 6.4] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/20/2019] [Revised: 10/05/2019] [Accepted: 10/15/2019] [Indexed: 12/31/2022] Open
Abstract
Bone infection and inflammation leads to the infiltration of immune cells at the site of infection, where they modulate the differentiation and function of osteoclasts and osteoblasts by the secretion of various cytokines and signal mediators. In recent years, there has been a tremendous effort to understand the cells involved in these interactions and the complex pathways of signal transduction and their ultimate effect on bone metabolism. These crosstalk mechanisms between the bone and immune system finally emerged, forming a new field of research called osteoimmunology. Diseases falling into the category of osteoimmunology, such as osteoporosis, periodontitis, and bone infections are considered to have a significant implication in mortality and morbidity of patients, along with affecting their quality of life. There is a much-needed research focus in this new field, as the reported data on the immunomodulation of immune cells and their signaling pathways seems to have promising therapeutic benefits for patients.
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Affiliation(s)
- Gaurav Kumar
- Unité 576, Institut National de la Santé et de la Recherche Médicale, 06200 Nice, France.
- Arthritis and Clinical Immunology, Oklahoma Medical Research Foundation, Oklahoma City, OK 73104, USA.
| | - Pierre-Marie Roger
- Unité 576, Institut National de la Santé et de la Recherche Médicale, 06200 Nice, France.
- Service d'Infectiologie, Hôpital Archet 1, Centre Hospitalier Universitaire de Nice, Université de Nice Sophia-Antipolis, 06200 Nice, France.
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57
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Xu C, Vitone GJ, Inoue K, Ng C, Zhao B. Identification of a Novel Role for Foxo3 Isoform2 in Osteoclastic Inhibition. THE JOURNAL OF IMMUNOLOGY 2019; 203:2141-2149. [PMID: 31541023 DOI: 10.4049/jimmunol.1900707] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/25/2019] [Accepted: 08/20/2019] [Indexed: 01/08/2023]
Abstract
Foxo3 acts as an important central regulator that integrates signaling pathways and coordinates cellular responses to environmental changes. Recent studies show the involvement of Foxo3 in osteoclastogenesis and rheumatoid arthritis, which prompted us to further investigate the FOXO3 locus. Several databases document FOXO3 isoform2, an N-terminal truncated mutation of the full-length FOXO3 However, the biological function of FOXO3 isoform2 is unclear. In this study, we established a conditional allele of Foxo3 in mice that deletes the full-length Foxo3 except isoform2, a close ortholog of the human FOXO3 isoform2. Expression of Foxo3 isoform2 specifically in macrophage/osteoclast lineage suppresses osteoclastogenesis and leads to the osteopetrotic phenotype in mice. Mechanistically, Foxo3 isoform2 enhances the expression of type I IFN response genes to RANKL stimulation and thus inhibits osteoclastogenesis via endogenous IFN-β-mediated feedback inhibition. Our findings identify, to our knowledge, the first known biological function of Foxo3 isoform2 that acts as a novel osteoclastic inhibitor in bone remodeling.
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Affiliation(s)
- Cheng Xu
- Arthritis and Tissue Degeneration Program, Hospital for Special Surgery, New York, NY 10021.,David Z. Rosensweig Genomics Research Center, Hospital for Special Surgery, New York, NY 10021
| | - Gregory J Vitone
- Arthritis and Tissue Degeneration Program, Hospital for Special Surgery, New York, NY 10021.,David Z. Rosensweig Genomics Research Center, Hospital for Special Surgery, New York, NY 10021
| | - Kazuki Inoue
- Arthritis and Tissue Degeneration Program, Hospital for Special Surgery, New York, NY 10021.,David Z. Rosensweig Genomics Research Center, Hospital for Special Surgery, New York, NY 10021.,Department of Medicine, Weill Cornell Medical College, New York, NY 10065; and
| | - Courtney Ng
- Arthritis and Tissue Degeneration Program, Hospital for Special Surgery, New York, NY 10021.,David Z. Rosensweig Genomics Research Center, Hospital for Special Surgery, New York, NY 10021
| | - Baohong Zhao
- Arthritis and Tissue Degeneration Program, Hospital for Special Surgery, New York, NY 10021; .,David Z. Rosensweig Genomics Research Center, Hospital for Special Surgery, New York, NY 10021.,Department of Medicine, Weill Cornell Medical College, New York, NY 10065; and.,Graduate Program in Cell and Development Biology, Weill Cornell Graduate School of Medical Sciences, New York, NY 10065
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58
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Ihn HJ, Kim JA, Lim S, Nam SH, Hwang SH, Lim J, Kim GY, Choi YH, Jeon YJ, Lee BJ, Bae JS, Kim YH, Park EK. Fermented Oyster Extract Prevents Ovariectomy-Induced Bone Loss and Suppresses Osteoclastogenesis. Nutrients 2019; 11:nu11061392. [PMID: 31234292 PMCID: PMC6627411 DOI: 10.3390/nu11061392] [Citation(s) in RCA: 16] [Impact Index Per Article: 3.2] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/24/2019] [Revised: 06/10/2019] [Accepted: 06/20/2019] [Indexed: 01/08/2023] Open
Abstract
There is growing interest in bioactive substances from marine organisms for their potential use against diverse human diseases. Osteoporosis is a skeletal disorder associated with bone loss primarily occurring through enhanced osteoclast differentiation and resorption. Recently, we reported the anti-osteoclastogenic activity of fermented Pacific oyster (Crassostrea gigas) extract (FO) in vitro. The present study focused on investigating the anti-osteoporotic efficacy of FO in bone loss prevention in an experimental animal model of osteoporosis and elucidating the mechanism underlying its effects. Oral administration of FO significantly decreased ovariectomy-induced osteoclast formation and prevented bone loss, with reduced serum levels of bone turnover biomarkers including osteocalcin and C-terminal telopeptide fragment of type I collagen C-terminus (CTX). FO significantly suppressed receptor activator of nuclear factor-κB ligand (RANKL)-induced differentiation of bone marrow-derived macrophages (BMMs) into osteoclasts and attenuated the induction of osteoclast-specific genes required for osteoclastogenesis and bone resorption. Furthermore, FO inhibited RANKL-mediated IκBα and p65 phosphorylation in BMMs. Taken together, these results demonstrate that FO effectively suppresses osteoclastogenesis in vivo and in vitro, and that FO can be considered as a potential therapeutic option for the treatment of osteoporosis and osteoclast-mediated skeletal diseases.
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Affiliation(s)
- Hye Jung Ihn
- Institute for Hard Tissue and Biotooth Regeneration (IHBR), Kyungpook National University, Daegu 41940, Korea.
| | - Ju Ang Kim
- Department of Oral Pathology and Regenerative Medicine, School of Dentistry, IHBR, Kyungpook National University, Daegu 41940, Korea.
| | - Soomin Lim
- Department of Oral Pathology and Regenerative Medicine, School of Dentistry, IHBR, Kyungpook National University, Daegu 41940, Korea.
| | - Sang-Hyeon Nam
- Department of Oral Pathology and Regenerative Medicine, School of Dentistry, IHBR, Kyungpook National University, Daegu 41940, Korea.
| | - So Hyeon Hwang
- Department of Oral Pathology and Regenerative Medicine, School of Dentistry, IHBR, Kyungpook National University, Daegu 41940, Korea.
| | - Jiwon Lim
- Department of Oral Pathology and Regenerative Medicine, School of Dentistry, IHBR, Kyungpook National University, Daegu 41940, Korea.
| | - Gi-Young Kim
- Department of Marine Life Sciences, Jeju National University, Jeju 63243, Korea.
| | - Yung Hyun Choi
- Department of Biochemistry, College of Oriental Medicine, Dong-Eui University, Busan 47227, Korea.
| | - You-Jin Jeon
- Department of Marine Life Sciences, Jeju National University, Jeju 63243, Korea.
| | - Bae-Jin Lee
- Marine Bioprocess Co., Ltd., Busan 46048, Korea.
| | - Jong-Sup Bae
- College of Pharmacy, Research Institute of Pharmaceutical Sciences, Kyungpook National University, Daegu 41566, Korea.
| | - Yeo Hyang Kim
- Department of Pediatrics, School of Medicine, Kyungpook National University, Daegu 41944, Korea.
| | - Eui Kyun Park
- Department of Oral Pathology and Regenerative Medicine, School of Dentistry, IHBR, Kyungpook National University, Daegu 41940, Korea.
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59
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Dong L, Wu J, Chen K, Xie J, Wang Y, Li D, Liu Y, Yin A, Zhao Y, Han Y, Zhou J, Zhang L, Chen Z, Zuo D. Mannan-Binding Lectin Attenuates Inflammatory Arthritis Through the Suppression of Osteoclastogenesis. Front Immunol 2019; 10:1239. [PMID: 31214191 PMCID: PMC6557994 DOI: 10.3389/fimmu.2019.01239] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/08/2019] [Accepted: 05/16/2019] [Indexed: 01/01/2023] Open
Abstract
Mannan-binding lectin (MBL) is a vital element in the host innate immune system, which is primarily produced by the liver and secreted into the circulation. Low serum level of MBL is reported to be associated with an increased risk of arthritis. However, the underlying mechanism by which MBL contributes to the pathogenesis of arthritis is poorly understood. In this study, we investigated the precise role of MBL on the course of experimental murine adjuvant-induced arthritis (AIA). MBL-deficient (MBL−/−) AIA mice showed significantly increased inflammatory responses compared with wild-type C57BL/6 AIA mice, including exacerbated cartilage damage, enhanced histopathological features and high level of tartrate-resistant acid phosphatase (TRAP)-positive cells. MBL protein markedly inhibited the osteoclast formation from human blood monocytes induced by receptor activator of nuclear factor-κB ligand (RANKL) and macrophage colony-stimulating factor (M-CSF) in vitro. Mechanistic studies established that MBL inhibited osteoclast differentiation via down-regulation of p38 signaling pathway and subsequent nuclear translocation of c-fos as well as activation of nuclear factor of activated T-cells c1 (NFATc1) pathway. Importantly, we have provided the evidence that concentrations of MBL correlated negatively with the serum levels of amino-terminal propeptide of type I procollagen (PINP) and C-terminal telopeptide of type I collagen (β-CTX), serum markers of bone turnover, in patients with arthritis. Our study revealed an unexpected function of MBL in osteoclastogenesis, thus providing new insight into inflammatory arthritis and other bone-related diseases in patients with MBL deficiency.
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Affiliation(s)
- Lijun Dong
- Department of Immunology, School of Basic Medical Sciences, Southern Medical University, Guangzhou, China
| | - Jun Wu
- Geriatrics Center, General Hospital of Southern Theater Command, PLA, Guangzhou, China
| | - Kai Chen
- Department of Immunology, School of Basic Medical Sciences, Southern Medical University, Guangzhou, China
| | - Jingwen Xie
- Department of Immunology, School of Basic Medical Sciences, Southern Medical University, Guangzhou, China
| | - Youyi Wang
- Department of Immunology, School of Basic Medical Sciences, Southern Medical University, Guangzhou, China.,School of Laboratory Medicine and Biotechnology, Institute of Molecular Immunology, Southern Medical University, Guangzhou, China
| | - Dantong Li
- Department of Immunology, School of Basic Medical Sciences, Southern Medical University, Guangzhou, China
| | - Yunzhi Liu
- Department of Immunology, School of Basic Medical Sciences, Southern Medical University, Guangzhou, China
| | - Aiping Yin
- Department of Immunology, School of Basic Medical Sciences, Southern Medical University, Guangzhou, China
| | - Yue Zhao
- Department of Rheumatology, The Second Affiliated Hospital of Guangzhou University of Traditional Chinese Medicine, Guangzhou, China
| | - Yunpeng Han
- Department of Clinical Laboratory, Guangdong 999 Brain Hospital, Guangzhou, China
| | - Jia Zhou
- Department of Immunology, School of Basic Medical Sciences, Southern Medical University, Guangzhou, China
| | - Liyun Zhang
- Department of Immunology, School of Basic Medical Sciences, Southern Medical University, Guangzhou, China
| | - Zhengliang Chen
- Department of Immunology, School of Basic Medical Sciences, Southern Medical University, Guangzhou, China.,Guangdong Provincial Key Laboratory of Proteomics, Southern Medical University, Guangzhou, China
| | - Daming Zuo
- Department of Immunology, School of Basic Medical Sciences, Southern Medical University, Guangzhou, China.,School of Laboratory Medicine and Biotechnology, Institute of Molecular Immunology, Southern Medical University, Guangzhou, China.,Guangdong Provincial Key Laboratory of Proteomics, Southern Medical University, Guangzhou, China.,Microbiome Medicine Center, Zhujiang Hospital, Southern Medical University, Guangzhou, China
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60
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A selective CB 2 agonist protects against the inflammatory response and joint destruction in collagen-induced arthritis mice. Biomed Pharmacother 2019; 116:109025. [PMID: 31154267 DOI: 10.1016/j.biopha.2019.109025] [Citation(s) in RCA: 20] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/21/2019] [Revised: 05/20/2019] [Accepted: 05/21/2019] [Indexed: 01/23/2023] Open
Abstract
Rheumatoid arthritis (RA) is a chronic, inflammatory, synovitis-dominated systemic disease with unknown etiology. RA is characterized by the involvement of multiple affected joints, symmetry, and invasive arthritis of the limbs, which can lead to joint deformity, cartilage destruction, and loss of function. Cannabinoid receptor 2 (CB2) has potent immunomodulatory and anti-inflammatory effects and is predominantly expressed in non-neuronal tissues. In the current study, the role of CB2 in the process of inflammatory bone erosion in RA was examined. The selective agonist or high-affinity ligand of CB2 (4-quinolone-3-carboxamides CB2 agonist, 4Q3C CB2 agonist, 4Q3C) significantly reduced the severity of arthritis, decreased histopathological findings, and markedly reduced bone erosion in collagen-induced arthritis (CIA) mice. In addition, 4Q3C prevented an increase in the nuclear factor-κB ligand (RANKL)/osteoprotegerin (OPG) ratio and inhibited the formation of osteoclasts in CIA mice. Furthermore, the expression of tumor necrosis factor-alpha, interleukin-1β, cyclooxygenase-2, and inducible nitric oxide synthase was lower in 4Q3C-treated CIA mice than in control CIA mice. Micro-computed tomography corroborated the finding that 4Q3C reduced joint destruction. These data clearly indicate that the CB2-selective agonist, 4Q3C, may have anti-inflammatory and anti-osteoclastogenesis effects in RA and may be considered to be a novel treatment for RA.
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61
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Lin ZM, Liu YT, Xu YS, Yang XQ, Zhu FH, Tang W, He SJ, Zuo JP. Cervus and cucumis peptides ameliorates bone erosion in experimental arthritis by inhibiting osteoclastogenesis. Lupus Sci Med 2019; 6:e000331. [PMID: 31168402 PMCID: PMC6519612 DOI: 10.1136/lupus-2019-000331] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/12/2019] [Revised: 04/18/2019] [Accepted: 04/23/2019] [Indexed: 12/29/2022]
Abstract
OBJECTIVE Rheumatoid arthritis is an autoimmune disease characterised by inflammation and bone loss, leading to joint destruction and deformity. The cervus and cucumis polypeptide (CCP) injection, one of the traditional Chinese medicine injections combined extracts from deer horn and sweet melon seeds, is widely used to treat arthritis and bone fracture in China. The present study investigated the therapeutic efficacy and mechanism of CCP on pathological immune cells and bone homoeostasis in rodent experimental arthritis. METHODS The effects of CCP (4 mg/kg and 2 mg/kg) on clinical arthritis symptoms, bone erosion, proinflammatory cytokines and pathological immune cells induced by complete Freund's adjuvant was evaluated in male Sprague-Dawley rats. The impacts of CCP (2 mg/kg) on joint erythema and swelling, production of pathogenic antibodies and the proportion of inflammatory cells were assessed in collagen-induced arthritis (CIA) in DBA/1J mice. Regulation of osteoclastogenesis by CCP was observed in the murine macrophage-like RAW264.7 cells treated with receptor activator of nuclear factor-κB ligand (RANKL) and macrophage colony-stimulating factor (M-CSF). RESULTS CCP administration significantly prevented disease progression in both adjuvant-induced arthritis (AIA) rats and CIA mice. The therapeutic benefits were accompanied by reduction of paw oedema, reversed bone destruction, decreased pathological changes and osteoclast numbers in joints in AIA rats, as well as attenuated clinical manifestation and autoantibodies production in CIA mice. Meanwhile, in vitro supplemented of CCP concentration dependently inhibited RANKL/M-CSF-induced osteoclast differentiation, without showing cytotoxicity in RAW264.7 cells. Further, the presence of CCP dampened the augmented downstream signalling transduction as well as activation of osteoclast-specific genes and transcription factors induced by RANKL/M-CSF in RAW264.7 cells. CONCLUSION Our study suggested that the therapeutic effects of CCP in experimental arthritis could be attributed to its intervention on RANKL-induced osteoclastogenesis signalling pathway in osteoclast precursor cells.
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Affiliation(s)
- Ze-Min Lin
- Laboratory of Immunopharmacology, State Key Laboratory of Drug Research, Shanghai Institute of Materia Medica Chinese Academy of Sciences, Shanghai, China
| | - Yu-Ting Liu
- Laboratory of Immunopharmacology, State Key Laboratory of Drug Research, Shanghai Institute of Materia Medica Chinese Academy of Sciences, Shanghai, China
- University of Chinese Academy of Sciences, Beijing, China
| | - Yan-Sheng Xu
- Laboratory of Immunology and Virology, Shanghai University of Traditional Chinese Medicine, Shanghai, China
| | - Xiao-Qian Yang
- Laboratory of Immunopharmacology, State Key Laboratory of Drug Research, Shanghai Institute of Materia Medica Chinese Academy of Sciences, Shanghai, China
| | - Feng-Hua Zhu
- Laboratory of Immunopharmacology, State Key Laboratory of Drug Research, Shanghai Institute of Materia Medica Chinese Academy of Sciences, Shanghai, China
| | - Wei Tang
- Laboratory of Immunopharmacology, State Key Laboratory of Drug Research, Shanghai Institute of Materia Medica Chinese Academy of Sciences, Shanghai, China
- University of Chinese Academy of Sciences, Beijing, China
| | - Shi-Jun He
- Laboratory of Immunopharmacology, State Key Laboratory of Drug Research, Shanghai Institute of Materia Medica Chinese Academy of Sciences, Shanghai, China
| | - Jian-Ping Zuo
- Laboratory of Immunopharmacology, State Key Laboratory of Drug Research, Shanghai Institute of Materia Medica Chinese Academy of Sciences, Shanghai, China
- University of Chinese Academy of Sciences, Beijing, China
- Laboratory of Immunology and Virology, Shanghai University of Traditional Chinese Medicine, Shanghai, China
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Ihn HJ, Lee T, Lee D, Bae JS, Kim SH, Jang IH, Bae YC, Shin HI, Park EK. Inhibitory Effect of KP-A038 on Osteoclastogenesis and Inflammatory Bone Loss Is Associated With Downregulation of Blimp1. Front Pharmacol 2019; 10:367. [PMID: 31024321 PMCID: PMC6467953 DOI: 10.3389/fphar.2019.00367] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/17/2018] [Accepted: 03/25/2019] [Indexed: 01/25/2023] Open
Abstract
Excessive osteoclastic activity results in pathological bone resorptive diseases, such as osteoporosis, periodontitis, and rheumatoid arthritis. As imidazole-containing compounds possess extensive therapeutic potential for the management of diverse diseases, we synthesized a series of imidazole derivatives and investigated their effects on osteoclast differentiation and function. In the present study, we found that a novel imidazole derivative, KP-A038, suppressed receptor activator of nuclear factor-κB ligand (RANKL)-mediated osteoclastogenesis and bone-resorbing activity in vitro and attenuated lipopolysaccharide (LPS)-induced bone destruction in vivo. KP-A038 significantly inhibited the induction of nuclear factor of activated T-cells, cytoplasmic 1 (NFATc1) and the expression of its target genes, including tartrate-resistant acid phosphatase (Acp5), cathepsin K (Ctsk), dendritic cell-specific transmembrane protein (Dcstamp), and matrix metallopeptidase 9 (Mmp9). KP-A038 upregulated the expression of negative regulators of osteoclast differentiation, such as interferon regulatory factor-8 (Irf8) and B-cell lymphoma 6 (Bcl6). Consistently, KP-A038 downregulated the expression of B lymphocyte-induced maturation protein-1 (Blimp1 encoded by Prdm1), a repressor for Irf8 and Bcl6. Moreover, administration of KP-A038 reduced LPS-induced bone erosion by suppressing osteoclast formation in vivo. Thus, our findings suggest that KP-A038 may serve as an effective therapeutic agent for the treatment and/or prevention of bone loss in pathological bone diseases, including osteoporosis and periodontitis.
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Affiliation(s)
- Hye Jung Ihn
- Institute for Hard Tissue and Bio-tooth Regeneration, Kyungpook National University, Daegu, South Korea
| | - Taeho Lee
- College of Pharmacy, Research Institute of Pharmaceutical Sciences, Kyungpook National University, Daegu, South Korea
| | - Doohyun Lee
- College of Pharmacy, Research Institute of Pharmaceutical Sciences, Kyungpook National University, Daegu, South Korea
| | - Jong-Sup Bae
- College of Pharmacy, Research Institute of Pharmaceutical Sciences, Kyungpook National University, Daegu, South Korea
| | - Sang-Hyun Kim
- Department of Pharmacology, School of Medicine, Kyungpook National University, Daegu, South Korea
| | - Il Ho Jang
- Department of Oral Biochemistry and Molecular Biology, School of Dentistry, Pusan National University, Yangsan, South Korea
| | - Yong Chul Bae
- Department of Oral Anatomy and Neurobiology, School of Dentistry, Kyungpook National University, Daegu, South Korea
| | - Hong-In Shin
- Department of Oral Pathology and Regenerative Medicine, School of Dentistry, Institute for Hard Tissue and Bio-tooth Regeneration, Kyungpook National University, Daegu, South Korea
| | - Eui Kyun Park
- Department of Oral Pathology and Regenerative Medicine, School of Dentistry, Institute for Hard Tissue and Bio-tooth Regeneration, Kyungpook National University, Daegu, South Korea
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63
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Bae SJ, Shin MW, Son T, Lee HS, Chae JS, Jeon S, Oh GT, Kim KW. Ninjurin1 positively regulates osteoclast development by enhancing the survival of prefusion osteoclasts. Exp Mol Med 2019; 51:1-16. [PMID: 30700695 PMCID: PMC6353902 DOI: 10.1038/s12276-018-0201-3] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/19/2018] [Revised: 08/27/2018] [Accepted: 08/29/2018] [Indexed: 01/20/2023] Open
Abstract
Osteoclasts (OCs) are bone-resorbing cells that originate from hematopoietic stem cells and develop through the fusion of mononuclear myeloid precursors. Dysregulation of OC development causes bone disorders such as osteopetrosis, osteoporosis, and rheumatoid arthritis. Although the molecular mechanisms underlying osteoclastogenesis have been well established, the means by which OCs maintain their survival during OC development remain unknown. We found that Ninjurin1 (Ninj1) expression is dynamically regulated during osteoclastogenesis and that Ninj1-/- mice exhibit increased trabecular bone volume owing to impaired OC development. Ninj1 deficiency did not alter OC differentiation, transmigration, fusion, or actin ring formation but increased Caspase-9-dependent intrinsic apoptosis in prefusion OCs (preOCs). Overexpression of Ninj1 enhanced the survival of mouse macrophage/preOC RAW264.7 cells in osteoclastogenic culture, suggesting that Ninj1 is important for the survival of preOCs. Finally, analysis of publicly available microarray data sets revealed a potent correlation between high NINJ1 expression and destructive bone disorders in humans. Our data indicate that Ninj1 plays an important role in bone homeostasis by enhancing the survival of preOCs.
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Affiliation(s)
- Sung-Jin Bae
- College of Pharmacy and Research Institute of Pharmaceutical Sciences, Seoul National University, Seoul, 08826, Korea.,Korean Medicine Research Center for Healthy Aging, Pusan National University, Yangsan, 50612, Korea
| | - Min Wook Shin
- College of Pharmacy and Research Institute of Pharmaceutical Sciences, Seoul National University, Seoul, 08826, Korea.,RNA Therapeutics Institute, University of Massachusetts Medical School, Worcester, MA, USA
| | - Taekwon Son
- College of Pharmacy and Research Institute of Pharmaceutical Sciences, Seoul National University, Seoul, 08826, Korea
| | - Hye Shin Lee
- College of Pharmacy and Research Institute of Pharmaceutical Sciences, Seoul National University, Seoul, 08826, Korea
| | - Ji Soo Chae
- Department of Life Sciences and Technology, PerkinElmer, Seoul, 06702, Korea
| | - Sejin Jeon
- Department of Life Sciences, Ewha Womans University, Seoul, 03760, Korea
| | - Goo Taeg Oh
- Department of Life Sciences, Ewha Womans University, Seoul, 03760, Korea
| | - Kyu-Won Kim
- College of Pharmacy and Research Institute of Pharmaceutical Sciences, Seoul National University, Seoul, 08826, Korea. .,Crop Biotechnology Institute, GreenBio Science and Technology, Seoul National University, Pyeongchang, 25354, Korea.
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Ahn SH, Chen Z, Lee J, Lee SW, Min SH, Kim ND, Lee TH. Inhibitory Effects of 2N1HIA (2-(3-(2-Fluoro-4-Methoxyphenyl)-6-Oxo-1(6H)-Pyridazinyl)- N-1H-Indol-5-Ylacetamide) on Osteoclast Differentiation via Suppressing Cathepsin K Expression. Molecules 2018; 23:molecules23123139. [PMID: 30501117 PMCID: PMC6321589 DOI: 10.3390/molecules23123139] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/08/2018] [Revised: 11/22/2018] [Accepted: 11/26/2018] [Indexed: 11/20/2022] Open
Abstract
Osteoclasts are large multinucleated cells which are induced by the regulation of the receptor activator of nuclear factor kappa-Β ligand (RANKL), which is important in bone resorption. Excessive osteoclast differentiation can cause pathologic bone loss and destruction. Numerous studies have targeted molecules inhibiting RANKL signaling or bone resorption activity. In this study, 11 compounds from commercial libraries were examined for their effect on RANKL-induced osteoclast differentiation. Of these compounds, only 2-(3-(2-fluoro-4-methoxyphenyl)-6-oxo-1(6H)-pyridazinyl)-N-1H-indol-5-ylacetamide (2N1HIA) caused a significant decrease in multinucleated tartrate-resistant acid phosphatase (TRAP)-positive cell formation in a dose-dependent manner, without inducing cytotoxicity. The 2N1HIA compound neither affected the expression of osteoclast-specific gene markers such as TRAF6, NFATc1, RANK, OC-STAMP, and DC-STAMP, nor the RANKL signaling pathways, including p38, ERK, JNK, and NF-κB. However, 2N1HIA exhibited a significant impact on the expression levels of CD47 and cathepsin K, the early fusion marker and critical protease for bone resorption, respectively. The activity of matrix metalloprotease-9 (MMP-9) decreased due to 2N1HIA treatment. Accordingly, bone resorption activity and actin ring formation decreased in the presence of 2N1HIA. Taken together, 2N1HIA acts as an inhibitor of osteoclast differentiation by attenuating bone resorption activity and may serve as a potential candidate in preventing and/or treating osteoporosis, or other bone diseases associated with excessive bone resorption.
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Affiliation(s)
- Sun-Hee Ahn
- Department of Oral Biochemistry, Dental Science Research Institute, School of Dentistry, Chonnam National University, Gwangju 61186, Korea.
| | - Zhihao Chen
- Department of Molecular Medicine (BK21plus), Chonnam National University Graduate School, Gwangju 61186, Korea.
| | - Jinkyung Lee
- Department of Molecular Medicine (BK21plus), Chonnam National University Graduate School, Gwangju 61186, Korea.
| | - Seok-Woo Lee
- Department of Dental Education and Periodontology, Dental Science Research Institute, School of Dentistry, Chonnam National University, Gwangju 61186, Korea.
| | - Sang Hyun Min
- New Drug Development Center, Daegu-Gyeongbuk Medical Innovation Foundation, Dong-gu, Daegu 41061, Korea.
| | - Nam Doo Kim
- NDBio Therapeutics Inc., S24 Floor, Songdogwahak-ro 32, Yeonsu-gu, Incheon 21984, Korea.
| | - Tae-Hoon Lee
- Department of Oral Biochemistry, Dental Science Research Institute, School of Dentistry, Chonnam National University, Gwangju 61186, Korea.
- Department of Molecular Medicine (BK21plus), Chonnam National University Graduate School, Gwangju 61186, Korea.
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Gao S, Yi Y, Xia G, Yu C, Ye C, Tu F, Shen L, Wang W, Hua C. The characteristics and pivotal roles of triggering receptor expressed on myeloid cells-1 in autoimmune diseases. Autoimmun Rev 2018; 18:25-35. [PMID: 30408584 DOI: 10.1016/j.autrev.2018.07.008] [Citation(s) in RCA: 26] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/03/2018] [Accepted: 07/09/2018] [Indexed: 01/13/2023]
Abstract
Triggering receptor expressed on myeloid cells-1 (TREM-1) engagement can directly trigger inflammation or amplify an inflammatory response by synergizing with TLRs or NLRs. Autoimmune diseases are a family of chronic systemic inflammatory disorders. The pivotal role of TREM-1 in inflammation makes it important to explore its immunological effects in autoimmune diseases. In this review, we summarize the structural and functional characteristics of TREM-1. Particularly, we discuss recent findings on TREM-1 pathway regulation in various autoimmune diseases, including rheumatoid arthritis (RA), systemic lupus erythematosus (SLE), inflammatory bowel disease (IBD), type 1 diabetes (T1D), and psoriasis. This receptor may potentially be manipulated to alter the inflammatory response to chronic inflammation and possible therapies are explored in this review.
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Affiliation(s)
- Sheng Gao
- Laboratory Animal Center, Wenzhou Medical University, Wenzhou 325035, Zhejiang Province, China
| | - Yongdong Yi
- Department of Gastrointestinal Surgery, The Second Affiliated Hospital and Yuying Children's Hospital of Wenzhou Medical University, Wenzhou 325027, Zhejiang Province, China
| | - Guojun Xia
- Department of Gastrointestinal Surgery, The Second Affiliated Hospital and Yuying Children's Hospital of Wenzhou Medical University, Wenzhou 325027, Zhejiang Province, China
| | - Chengyang Yu
- Department of Gastrointestinal Surgery, The Second Affiliated Hospital and Yuying Children's Hospital of Wenzhou Medical University, Wenzhou 325027, Zhejiang Province, China
| | - Chenmin Ye
- Department of Gastrointestinal Surgery, The Second Affiliated Hospital and Yuying Children's Hospital of Wenzhou Medical University, Wenzhou 325027, Zhejiang Province, China
| | - Fuyang Tu
- Department of Gastrointestinal Surgery, The Second Affiliated Hospital and Yuying Children's Hospital of Wenzhou Medical University, Wenzhou 325027, Zhejiang Province, China
| | - Leibin Shen
- Department of Gastrointestinal Surgery, The Second Affiliated Hospital and Yuying Children's Hospital of Wenzhou Medical University, Wenzhou 325027, Zhejiang Province, China
| | - Wenqian Wang
- Department of Breast Surgery, The Second Affiliated Hospital and Yuying Children's Hospital of Wenzhou Medical University, Wenzhou 325027, Zhejiang Province, China.
| | - Chunyan Hua
- School of Basic Medical Sciences, Wenzhou Medical University, Wenzhou 325035, Zhejiang Province, China.
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Poly-γ-glutamic acid suppresses osteoclastogenesis in human osteoclast precursors and prevents joint damage in a collagen-induced murine arthritis model. Immunol Lett 2018; 203:80-86. [DOI: 10.1016/j.imlet.2018.09.004] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/27/2018] [Revised: 09/05/2018] [Accepted: 09/08/2018] [Indexed: 12/22/2022]
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Abstract
Targeting microRNAs recently shows significant therapeutic promise; however, such progress is underdeveloped in treatment of skeletal diseases with osteolysis, such as osteoporosis and rheumatoid arthritis (RA). Here, we identified miR-182 as a key osteoclastogenic regulator in bone homeostasis and diseases. Myeloid-specific deletion of miR-182 protects mice against excessive osteoclastogenesis and bone resorption in disease models of ovariectomy-induced osteoporosis and inflammatory arthritis. Pharmacological treatment of these diseases with miR-182 inhibitors completely suppresses pathologic bone erosion. Mechanistically, we identify protein kinase double-stranded RNA-dependent (PKR) as a new and essential miR-182 target that is a novel inhibitor of osteoclastogenesis via regulation of the endogenous interferon (IFN)-β-mediated autocrine feedback loop. The expression levels of miR-182, PKR, and IFN-β are altered in RA and are significantly correlated with the osteoclastogenic capacity of RA monocytes. Our findings reveal a previously unrecognized regulatory network mediated by miR-182-PKR-IFN-β axis in osteoclastogenesis, and highlight the therapeutic implications of miR-182 inhibition in osteoprotection. Osteoclasts mediate bone disruption in a number of degenerative bone diseases. Here, the authors show that miR-182 regulates osteoclastogenesis via PKR and IFN-beta signaling, is correlated with rheumatoid arthritis, and that its ablation or inhibition is protective against bone erosion in mouse models of osteoporosis or inflammatory arthritis.
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Sommer MEL, Dalia RA, Nogueira AVB, Cirelli JA, Vinolo MAR, Fachi JL, Oliveira CA, Andrade TAM, Mendonça FAS, Santamaria M, Felonato M. Immune response mediated by Th1 / IL-17 / caspase-9 promotes evolution of periodontal disease. Arch Oral Biol 2018; 97:77-84. [PMID: 30366216 DOI: 10.1016/j.archoralbio.2018.09.009] [Citation(s) in RCA: 15] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/03/2018] [Revised: 09/12/2018] [Accepted: 09/14/2018] [Indexed: 01/18/2023]
Abstract
INTRODUCTION Periodontitis is characterized by inflammatory mediators beyond T lymphocyte function and phenotype (Th1/Th2/Th17). The clinical diversity in periodontitis makes it difficult to characterize the immune response in patients. This study evaluated the profile of the adaptive immune response in the periodontal disease model. METHODS 72 rats (Wistar) were divided into a control group (CTL/day 0) and periodontitis (PD15/15 days and PD60/60 days). In the PD15 and PD60 groups, periodontal disease was induced by ligature with a silk thread placed in the cervical region of the upper first molar. After euthanasia, the periodontal tissue was analyzed by flow cytometry (CD4, CD8, CD25, CD44), semi-quantitative RT-PCR (T-bet, GATA-3, RORγt), semi-quantitative RT-PCR and ELISA IFN-γ, TNF-α, IFN-γ, IL-4, IL-6, IL-10, IL-17) and by Western blotting (Caspase-9, PCNA). RESULTS The number of CD4+CD25+, CD4+CD44+, CD8+CD25+ and CD8+CD44+ cells and expression levels of T-bet and GATA-3 are increased in the PD60 group compared to PD15 and CTL. The RORγ-t gene transcript increased in the PD15 group in relation to PD60 and CTL. The cytokines IFN-γ, TNF-α and IL-17 increased in the PD60 group in relation to PD15. The expression of Caspase-9 was higher in the PD60 group than in PD15. CONCLUSIONS The results suggest that the evolution of gingivitis to periodontitis is related to the accumulation of activated Th1 cells (IFN-γ and TNF-α) associated with the presence of increased IL-17. Studies with inhibitors of these cytokines in periodontal disease may lead to therapy directed at blocking the inflammatory process in this pathology, interrupting bone loss.
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Affiliation(s)
- M E L Sommer
- Graduate Program in Biomedical Sciences, Centro Universitario Hermınio Ometto (UNIARARAS), Brazil
| | - R A Dalia
- Graduate Program in Biomedical Sciences, Centro Universitario Hermınio Ometto (UNIARARAS), Brazil
| | - A V B Nogueira
- Dental School, Department of Diagnosis and Surgery, São Paulo State University, Araraquara, São Paulo, Brazil
| | - J A Cirelli
- Dental School, Department of Diagnosis and Surgery, São Paulo State University, Araraquara, São Paulo, Brazil
| | - M A R Vinolo
- Department of Genetics, Evolution and Bioagents, Institute of Biology, State University of Campinas, Campinas, São Paulo, Brazil
| | - J L Fachi
- Department of Genetics, Evolution and Bioagents, Institute of Biology, State University of Campinas, Campinas, São Paulo, Brazil
| | - C A Oliveira
- Graduate Program in Biomedical Sciences, Centro Universitario Hermınio Ometto (UNIARARAS), Brazil
| | - T A M Andrade
- Graduate Program in Biomedical Sciences, Centro Universitario Hermınio Ometto (UNIARARAS), Brazil
| | - F A S Mendonça
- Graduate Program in Biomedical Sciences, Centro Universitario Hermınio Ometto (UNIARARAS), Brazil
| | - M Santamaria
- Graduate Program in Biomedical Sciences, Centro Universitario Hermınio Ometto (UNIARARAS), Brazil; Graduate Program in Odontology, Centro Universitario Hermınio Ometto (UNIARARAS), Brazil
| | - M Felonato
- Graduate Program in Biomedical Sciences, Centro Universitario Hermınio Ometto (UNIARARAS), Brazil.
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Zhang JL, Qiu XM, Zhang N, Tang W, Gober HJ, Li DJ, Wang L. Bu‑Shen‑Ning‑Xin decoction suppresses osteoclastogenesis by modulating RANKL/OPG imbalance in the CD4+ T lymphocytes of ovariectomized mice. Int J Mol Med 2018; 42:299-308. [PMID: 29717766 PMCID: PMC5979942 DOI: 10.3892/ijmm.2018.3645] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/12/2016] [Accepted: 03/22/2018] [Indexed: 02/05/2023] Open
Abstract
Postmenopausal osteoporosis (PMO) has been recognized as an inflammatory condition. CD4+ T cells serve a key role in the interaction between bone metabolism and the immune system. Bu-Shen-Ning-Xin decoction (BSNXD), a traditional Chinese medicine, has been ultilized as a remedy for PMO. In the present study, the aim was to investigate the immune modulatory effects of BSNXD on CD4+ T cells, receptor activation of nuclear factor κB ligand (RANKL)/osteoprotegerin (OPG) imbalance, skeletal parameters and osteoclastogenesis. Ovariectomized (OVX) mice were treated with a series of concentrations of BSNXD and then autopsied. The bone phenotype was analyzed by micro computed tomography. CD4+ T cells were isolated and their percentage was measured using flow cytometry (FCM). RANKL and OPG expression by the CD4+ T cells at the transcriptional and translational levels were quantified by reverse transcription-quantitative polymerase chain reaction, ELISA and FCM. CD4+ T cells were cultured with blood serum derived from BSNXD-treated OVX mice (BSNXD-derived serum) and the apoptosis rate was quantified by FCM. CD4+ T cells were co-cultured with bone marrow-derived macrophages and exposed to BSNXD-derived serum to whether CD4+ T cells are involved in BSNXD-modulated osteoclastogenesis and the results were quantified via tartrate-resistant acid phosphatase staining. The results revealed that BSNXD ameliorated OVX-induced bone loss, prevented the expansion of CD4+ T cells and restored the RANKL/OPG imbalance in the CD4+ T cells of OVX mice. In vitro, BSNXD-derived serum promoted the apoptosis of CD4+ T cells. The co-culture system demonstrated that CD4+ T cells from OVX mice increase osteoclastogenesis, while this effect was suppressed by BSNXD administration. The findings of the study collectively suggest that BSNXD exerts an immunoprotective effect on the bone phenotype of OVX mice by ameliorating RANKL/OPG imbalance in CD4+ T cells and attenuating osteoclastogenesis.
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Affiliation(s)
- Jia-Li Zhang
- Laboratory for Reproductive Immunology, Hospital and Institute of Obstetrics and Gynecology, IBS, Fudan University Shanghai Medical College, Shanghai 200011, P.R. China
| | - Xue-Min Qiu
- Laboratory for Reproductive Immunology, Hospital and Institute of Obstetrics and Gynecology, IBS, Fudan University Shanghai Medical College, Shanghai 200011, P.R. China
| | - Na Zhang
- Laboratory for Reproductive Immunology, Hospital and Institute of Obstetrics and Gynecology, IBS, Fudan University Shanghai Medical College, Shanghai 200011, P.R. China
| | - Wei Tang
- Hepato‑Biliary‑Pancreatic Surgery Division, Department of Surgery, Graduate School of Medicine, University of Tokyo, Tokyo 113‑8655, Japan
| | - Hans-Jürgen Gober
- Department of Pharmacy, Neuromed Campus, Johannes Kepler University, 4020 Linz, Austria
| | - Da-Jin Li
- Laboratory for Reproductive Immunology, Hospital and Institute of Obstetrics and Gynecology, IBS, Fudan University Shanghai Medical College, Shanghai 200011, P.R. China
| | - Ling Wang
- Laboratory for Reproductive Immunology, Hospital and Institute of Obstetrics and Gynecology, IBS, Fudan University Shanghai Medical College, Shanghai 200011, P.R. China
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Wang Z, Tan J, Lei L, Sun W, Wu Y, Ding P, Chen L. The positive effects of secreting cytokines IL-17 and IFN-γ on the early-stage differentiation and negative effects on the calcification of primary osteoblasts in vitro. Int Immunopharmacol 2018; 57:1-10. [PMID: 29438885 DOI: 10.1016/j.intimp.2018.02.002] [Citation(s) in RCA: 18] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/31/2017] [Revised: 02/03/2018] [Accepted: 02/06/2018] [Indexed: 12/24/2022]
Abstract
OBJECTIVE Interleukin-17 (IL-17) and interferon-gamma (IFN-γ) are all pro-inflammatory cytokines produced by specific subsets of T-cells and are also considered crucial regulators in bone remodeling, but their effects on osteogenesis have not been carefully studied. So, this study aimed to investigate the effects of secreting cytokines IL-17 and IFN-γ on the osteogenesis of primary osteoblasts and to clarify the potential roles of the related Janus activated kinase 2 (JAK2) and downstream signal transducer and activator of transcription 3 (STAT3) signaling pathway in bone remodeling. METHODS The proliferation of osteoblasts was evaluated by MTT assay. Osteogenic activity was tested by alkaline phosphatase (ALP) activity assay and alizarin red staining. The mRNA levels of ALP, osteocalcin, osteoprotegerin (OPG), Runt-related transcription factor 2 (Runx2) and receptor activator of nuclear factor-kappa B ligand (RANKL) were also measured by real-time quantitative PCR. The JAK2-STAT3 pathway was evaluated by Western blot. RESULTS Osteoblasts showed no obvious proliferation when treated with IL-17 and/or IFN-γ, but higher ALP activities were observed in primary osteoblasts treated with IL-17 or IL-17 + IFN-γ in induction medium. We also found that IL-17 could promote the gene expression of Alp, Runx2, Osteocalcin, Opg, and Rankl, while IFN-γ might attenuate this effect. Nevertheless, IL-17 and IFN-γ exhibited an inhibitory effect on the calcification of primary osteoblasts. We also found that IL-17 could directly facilitate RANKL expressions by JAK2-STAT3 pathway. CONCLUSION The positive effects of IL-17 and IFN-γ on the early-stage differentiation and the negative effects on the calcification of murine calvarial osteoblasts contribute to our understanding of the role and interaction of inflammatory factors in the bone remodeling and as fundamental mechanisms involved in the destruction of alveolar bone.
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Affiliation(s)
- Zhongxiu Wang
- Department of Oral Medicine, the Second Affiliated Hospital, School of Medicine, Zhejiang University, Hangzhou, China
| | - Jingyi Tan
- Department of Oral Medicine, the Second Affiliated Hospital, School of Medicine, Zhejiang University, Hangzhou, China
| | - Lihong Lei
- Department of Oral Medicine, the Second Affiliated Hospital, School of Medicine, Zhejiang University, Hangzhou, China
| | - Weilian Sun
- Department of Oral Medicine, the Second Affiliated Hospital, School of Medicine, Zhejiang University, Hangzhou, China
| | - Yanmin Wu
- Department of Oral Medicine, the Second Affiliated Hospital, School of Medicine, Zhejiang University, Hangzhou, China
| | - Peihui Ding
- Department of Oral Medicine, the Second Affiliated Hospital, School of Medicine, Zhejiang University, Hangzhou, China
| | - Lili Chen
- Department of Oral Medicine, the Second Affiliated Hospital, School of Medicine, Zhejiang University, Hangzhou, China.
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Teng Y, Yin Z, Li J, Li K, Li X, Zhang Y. Adenovirus-mediated delivery of Sema3A alleviates rheumatoid arthritis in a serum-transfer induced mouse model. Oncotarget 2017; 8:66270-66280. [PMID: 29029510 PMCID: PMC5630410 DOI: 10.18632/oncotarget.19915] [Citation(s) in RCA: 26] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/18/2017] [Accepted: 06/28/2017] [Indexed: 12/26/2022] Open
Abstract
Rheumatoid arthritis is a chronic autoimmune disease characterized by infiltration of inflammatory cells into the synovium and destruction of cartilage and bone. Macrophages, fibroblast-like synoviocytes (FLS), and osteoclasts are critical cells driving the pathogenesis of RA. Semaphorin 3A (Sema3A) is recently identified as an essential player in the bone homeostasis, however its role in RA progression especially in the macrophage polarization are poorly understood. In the present study, we found that Sems3A levels were significantly decreased in RA serum and synovial fluid compared to OA controls. There was a negative correlation between Sema3A levels and RA severity. Using in vitro cell cultures, we showed for the first time that Sema3A promoted IL-4 induced M2 macrophage polarization, whereas prohibited LPS/IFN-γ induced M1 polarization. Sema3A inhibited VEGF-induced endothelial cells proliferation and migration, suppressed VEGF-mediated invasion and IL-6 production of FLS while stimulating their apoptosis. In addition, Sema3A retarded osteoclastogenesis. In vivo data demonstrated that Sema3A administration attenuated joint tissue damage and the severity of experimental arthritis. Our findings uncovered Sema3A as a promising diagnostic biomarker and novel prevention and treatment strategies in arthritis treatment.
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Affiliation(s)
- Yue Teng
- Center for Translational Medicine, The First Affiliated Hospital of Xi'an Jiaotong University, Xi'an, Shaanxi 710061, People's Republic of China
| | - Zhanhai Yin
- Department of Orthopaedics, The First Affiliated Hospital of Xi'an Jiaotong University, Xi'an, Shaanxi 710061, People's Republic of China
| | - Jing Li
- Center for Translational Medicine, The First Affiliated Hospital of Xi'an Jiaotong University, Xi'an, Shaanxi 710061, People's Republic of China
| | - Kun Li
- Clinical Laboratory, Shanxi Mineral Hospital, Xi'an, Shaanxi 710014, People's Republic of China
| | - Xu Li
- Center for Translational Medicine, The First Affiliated Hospital of Xi'an Jiaotong University, Xi'an, Shaanxi 710061, People's Republic of China
| | - Yan Zhang
- Center for Translational Medicine, The First Affiliated Hospital of Xi'an Jiaotong University, Xi'an, Shaanxi 710061, People's Republic of China
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Li S, Yin H, Zhang K, Wang T, Yang Y, Liu X, Chang X, Zhang M, Yan X, Ren Y, Pan W, Zhang L. Effector T helper cell populations are elevated in the bone marrow of rheumatoid arthritis patients and correlate with disease severity. Sci Rep 2017; 7:4776. [PMID: 28684770 PMCID: PMC5500482 DOI: 10.1038/s41598-017-05014-8] [Citation(s) in RCA: 30] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/23/2017] [Accepted: 05/23/2017] [Indexed: 01/05/2023] Open
Abstract
This study is to investigate the frequencies of T-helper (Th)22, Th17 and Th1 cells and the levels of related cytokines in subchondral bone marrow in patients with rheumatoid arthritis (RA). Bone marrow and peripheral blood samples were collected from RA, osteoarthritis (OA) patients and healthy controls. The frequencies of Th22, Th17, and Th1 cells were examined by flow cytometry. Levels of interleukin (IL)-22, IL-17 and IFN-γ were examined by ELISA. Disease Activity Score in 28 joints (DAS28) of RA patients were analyzed. Bone marrow Th22, Th17 and Th1 cells in RA patients were markedly increased comparing to OA or healthy controls. Each T cell subset in bone marrow was elevated comparing with that in the peripheral blood in RA patients. Consistently, plasma levels of IL-22 and IL-17 were elevated in RA patients, and the elevation was more notable in the bone marrow than in the peripheral blood. Additionally, the percentages of Th22, Th17 and Th1 cells as well as the levels of IL-22 and IL-17 in bone marrow were positively correlated with DAS28. These results suggest that local pro-inflammatory Th cells are elevated in bone marrow, which may play an important role in situ in RA and contribute to the pathogenesis of in RA.
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Affiliation(s)
- Shufeng Li
- Department of Orthopedics, Shandong Provincial Qianfoshan Hospital, Shandong University, Jinan, 250014, P.R. China
| | - Han Yin
- Department of Orthopedics, Liaocheng People's Hospital and Clinical School of Taishan Medical University, Liaocheng, 252000, P.R. China
| | - Kaining Zhang
- Department of Orthopedics, Shandong Provincial Qianfoshan Hospital, Shandong University, Jinan, 250014, P.R. China
| | - Ting Wang
- Department of Obstetrics and Gynecology, Shandong Provincial Qianfoshan Hospital, Shandong University, Jinan, 250014, P.R. China
| | - Yun Yang
- Department of Orthopedics, Shandong Provincial Qianfoshan Hospital, Shandong University, Jinan, 250014, P.R. China
| | - Xinguang Liu
- Department of Hematology, Qilu Hospital, Shandong University, Jinan, 250012, P.R. China
| | - Xiaotian Chang
- Medical Research Center, Shandong Provincial Qianfoshan Hospital, Shandong University, Jinan, 250014, P.R. China
| | - Ming Zhang
- Department of Orthopedics, Shandong Provincial Qianfoshan Hospital, Shandong University, Jinan, 250014, P.R. China
| | - Xinfeng Yan
- Department of Orthopedics, Shandong Provincial Qianfoshan Hospital, Shandong University, Jinan, 250014, P.R. China
| | - Yanjun Ren
- Department of Orthopedics, Shandong Provincial Qianfoshan Hospital, Shandong University, Jinan, 250014, P.R. China
| | - Wenping Pan
- Department of Rheumatology, Shandong Provincial Qianfoshan Hospital, Shandong University, Jinan, 250014, P.R. China
| | - Lei Zhang
- Department of Orthopedics, Shandong Provincial Qianfoshan Hospital, Shandong University, Jinan, 250014, P.R. China.
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73
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Mármol I, Sánchez-de-Diego C, Jiménez-Moreno N, Ancín-Azpilicueta C, Rodríguez-Yoldi MJ. Therapeutic Applications of Rose Hips from Different Rosa Species. Int J Mol Sci 2017; 18:ijms18061137. [PMID: 28587101 PMCID: PMC5485961 DOI: 10.3390/ijms18061137] [Citation(s) in RCA: 74] [Impact Index Per Article: 10.6] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/30/2017] [Revised: 05/15/2017] [Accepted: 05/18/2017] [Indexed: 12/20/2022] Open
Abstract
Rosa species, rose hips, are widespread wild plants that have been traditionally used as medicinal compounds for the treatment of a wide variety of diseases. The therapeutic potential of these plants is based on its antioxidant effects caused by or associated with its phytochemical composition, which includes ascorbic acid, phenolic compounds and healthy fatty acids among others. Over the last few years, medicinal interest in rose hips has increased as a consequence of recent research that has studied its potential application as a treatment for several diseases including skin disorders, hepatotoxicity, renal disturbances, diarrhoea, inflammatory disorders, arthritis, diabetes, hyperlipidaemia, obesity and cancer. In this review, the role of different species of Rosa in the prevention of treatment of various disorders related to oxidative stress, is examined, focusing on new therapeutic approaches from a molecular point of view.
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Affiliation(s)
- Inés Mármol
- Department of Pharmacology and Physiology, University of Zaragoza, Zaragoza 50013, Spain.
| | | | - Nerea Jiménez-Moreno
- Department of Applied Chemistry, Public University of Navarra, Pamplona 31006, Spain.
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74
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Mada EY, Santos ACC, Fonseca AC, Biguetti CC, Neves FTA, Saraiva PP, Matsumoto MA. Effects of green tea and bisphosphonate association on dental socket repair of rats. Arch Oral Biol 2017; 75:1-7. [DOI: 10.1016/j.archoralbio.2016.12.001] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/29/2016] [Revised: 11/29/2016] [Accepted: 12/01/2016] [Indexed: 12/11/2022]
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75
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Effect of Wenhua Juanbi Recipe () on expression of receptor activator of nuclear factor kappa B ligand, osteoprotegerin, and tumor necrosis factor receptor superfamily member 14 in rats with collagen-induced arthritis. Chin J Integr Med 2016; 23:208-214. [PMID: 28004300 DOI: 10.1007/s11655-016-2532-z] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/24/2013] [Indexed: 10/20/2022]
Abstract
OBJECTIVES To study the effect of Wenhua Juanbi Recipe (, WJR) on expression of receptor activator of nuclear factor kappa B ligand (RANKL), osteoprotegerin (OPG), and tumor necrosis factor receptor superfamily member 14 (TNFRSF14, also known as LIGHT) in rats with collagen-induced arthritis (CIA). METHODS CIA rats were generated by subcutaneous injection of bovine collagen type-II at the tail base. Sixty CIA rats were randomly assigned (10 animals/group) to: model, methotrexate (MTX)-treated (0.78 mg/kg body weight), and WJR-treated (22.9 g/kg) groups. Healthy normal rats (n=10) were used as the normal control. Treatments or saline were administered once daily by oral gavage. Rats were sacrifificed at day 28 post-treatment and knee synovium and peripheral blood serum were collected. Toe swelling degree and expression of RANKL, OPG, and LIGHT were determined by Western blot and immunohistochemistry. RESULTS Compared with the normal group, toe swelling degree was signifificantly increased in the model group (P<0.01). After treatment, toe swelling degree decreased signifificantly in the WJR and MTX groups compared with the model group (P<0.01). Compared with the normal group, expression of RANKL and LIGHT were signifificantly increased and OPG signifificantly decreased in peripheral blood and synovium of the model group (P<0.01). Conversely, RANKL and LIGHT expression were signifificantly reduced and OPG increased in the WJR and MTX groups compared with the model group (P<0.01). No statistically significant difference existed between WJR and MTX groups. CONCLUSION WJR likely acts by reducing RANKL expression and increasing OPG expression, thus inhibiting RANKL/RANK interaction and reducing LIGHT expression, thereby inhibiting osteoclast formation/activation to block bone erosion.
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76
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Goto Y, Aoyama M, Sekiya T, Kakita H, Waguri-Nagaya Y, Miyazawa K, Asai K, Goto S. CXCR4 + CD45 - Cells are Niche Forming for Osteoclastogenesis via the SDF-1, CXCL7, and CX3CL1 Signaling Pathways in Bone Marrow. Stem Cells 2016; 34:2733-2743. [PMID: 27339271 DOI: 10.1002/stem.2440] [Citation(s) in RCA: 15] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/30/2015] [Revised: 05/19/2016] [Accepted: 05/30/2016] [Indexed: 01/16/2023]
Abstract
Bone homeostasis comprises the balance between bone-forming osteoblasts and bone-resorbing osteoclasts (OCs), with an acceleration of osteoclastic bone resorption leading to osteoporosis. OCs can be generated from bone marrow cells (BMCs) under the tightly regulated local bone environment. However, it remained difficult to identify the critical cells responsible for providing an osteoclastogenesis niche. In this study, we used a fluorescence-activated cell sorting technique to determine the cell populations important for forming an appropriate microenvironment for osteoclastogenesis and to verify the associated interactions between osteoclast precursor cells and non-OCs. We isolated and removed a small cell population specific for osteoclastogenesis (CXCR4+ CD45- ) from mouse BMCs and cultured the remaining cells with receptor activator of nuclear factor-kappa B ligand (RANKL) and macrophage-colony stimulating factor. The resulting cultures showed significantly less large osteoclast formation. Quantitative RT-PCR analysis revealed that these CXCR4+ CD45- cells expressed low levels of RANK and RANKL, but high levels of critical chemokines including stromal cell derived factor 1 (SDF-1), chemokine (C-X-C motif) ligand 7 (CXCL7), and chemokine (C-X3-C motif) ligand 1 (CX3CL1). Furthermore, an SDF-1-specific antibody strongly suppressed OC formation in RAW264.7 cells and antibodies against SDF-1, CXCL7, and CX3CL1 suppressed OC formation in BMCs. These results suggest that isolated CXCR4+ CD45- cells support an appropriate microenvironment for osteoclastogenesis with a direct effect on the cells expressing SDF-1, CXCL7, and CX3CL1 receptors. The regulation of CXCR4+ CD45- cell function might therefore inform therapeutic strategies for diseases involving loss of bone homeostasis. Stem Cells 2016;34:2733-2743.
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Affiliation(s)
- Yoh Goto
- Department of Orthodontics, School of Dentistry, Aichi-Gakuin University, Nagoya, Japan.,Department of Molecular Neurobiology, Nagoya City University Graduate School of Medical Sciences, Nagoya, Japan
| | - Mineyoshi Aoyama
- Department of Molecular Neurobiology, Nagoya City University Graduate School of Medical Sciences, Nagoya, Japan.,Department of Pathobiology, Nagoya City University Graduate School of Pharmaceutical Sciences, Nagoya, Japan
| | - Takeo Sekiya
- Department of Orthodontics, School of Dentistry, Aichi-Gakuin University, Nagoya, Japan.,Department of Molecular Neurobiology, Nagoya City University Graduate School of Medical Sciences, Nagoya, Japan
| | - Hiroki Kakita
- Department of Molecular Neurobiology, Nagoya City University Graduate School of Medical Sciences, Nagoya, Japan.,Department of Perinatal and Neonatal Medicine, Aichi Medical University, Nagakute, Japan
| | - Yuko Waguri-Nagaya
- Department of Joint Surgery for Rheumatic Diseases, Nagoya City University Graduate School of Medical Sciences, Nagoya, Japan
| | - Ken Miyazawa
- Department of Orthodontics, School of Dentistry, Aichi-Gakuin University, Nagoya, Japan
| | - Kiyofumi Asai
- Department of Molecular Neurobiology, Nagoya City University Graduate School of Medical Sciences, Nagoya, Japan
| | - Shigemi Goto
- Department of Orthodontics, School of Dentistry, Aichi-Gakuin University, Nagoya, Japan
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77
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Lee SY, Lee SH, Park SJ, Kim DJ, Kim EK, Kim JK, Yang SH, Park SH, Sung YC, Kim HY, Cho ML. (p40)2-Fc reduces immune-inflammatory response through the activation of T cells in collagen induced arthritis mice. Immunol Lett 2016; 176:36-43. [PMID: 27229912 DOI: 10.1016/j.imlet.2016.05.013] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/22/2016] [Revised: 05/18/2016] [Accepted: 05/20/2016] [Indexed: 10/21/2022]
Abstract
IL-12p40 homodimer, a natural antagonist of IL-12 and IL-23, performs an important role in the expression of proinflammatory cytokines that is essential for Th1 and Th17 immune responses. Here, we reveal the therapeutic and immunosuppressive effect of the IL-12p40 subunit ((p40)2-Fc) in an experimental autoimmune arthritis model. We hypothesized that (p40)2-Fc may reduce the inflammatory response and the activation of T cells. In this study, we intraperitoneally injected (p40)2-Fc into collagen induced arthritis (CIA) mice to identify whether (p40)2-Fc attenuates CIA severity. (p40)2-Fc reduced the development of CIA, joint inflammation and cartilage destruction. (p40)2-Fc also significantly decreased the concentration of serum immunoglobulin as well as the number of T cells and C II specific T cells. In addition, osteoclastogenesis in (p40)2-Fc treated mice was down-regulated compared to the mice treated with (p40)2-Fc control. We observed that (p40)2-Fc treatment alleviates arthritis in mice with CIA, reducing inflammation and osteoclast differentiation. These findings suggest that (p40)2-Fc can be a potential therapeutic approach for autoimmune arthritis.
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Affiliation(s)
- Seon-Yeong Lee
- The Rheumatism Research Center, Catholic Research Institute of Medical Science, The Catholic University of Korea, Seoul, South Korea
| | - Seung Hoon Lee
- The Rheumatism Research Center, Catholic Research Institute of Medical Science, The Catholic University of Korea, Seoul, South Korea
| | - Seong-Jeong Park
- Research Center, Hanmi Pharm. Co. Ltd., Gyeonggi-do, South Korea
| | - Doo-Jin Kim
- Research Center for Viral Infectious Diseases and Control, Korea Research Institute of Bioscience and Biotechnology (KRIBB), Daejeon, South Korea
| | - Eun-Kyung Kim
- The Rheumatism Research Center, Catholic Research Institute of Medical Science, The Catholic University of Korea, Seoul, South Korea
| | - Jae-Kyung Kim
- The Rheumatism Research Center, Catholic Research Institute of Medical Science, The Catholic University of Korea, Seoul, South Korea
| | | | - Sung-Hwan Park
- The Rheumatism Research Center, Catholic Research Institute of Medical Science, The Catholic University of Korea, Seoul, South Korea
| | - Young-Chul Sung
- Integrative Bioscience and Biotechnology, World Class University, Pohang University of Science and Technology Biotechnology Center, Pohang University of Science and Technology, Pohang 790-784, South Korea
| | - Ho-Youn Kim
- The Rheumatism Research Center, Catholic Research Institute of Medical Science, The Catholic University of Korea, Seoul, South Korea
| | - Mi-La Cho
- The Rheumatism Research Center, Catholic Research Institute of Medical Science, The Catholic University of Korea, Seoul, South Korea; Laboratory of Immune Network, Conversant Research Consortium in Immunologic Disease, College of Medicine, The Catholic University of Korea, South Korea.
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78
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Le HTN, Phi LT, Dao TTT, Phan NK, Van Pham P, Vu NB. A mouse model of osteonecrotic femoral head induced by methylprednisolone and liposaccharide. BIOMEDICAL RESEARCH AND THERAPY 2016. [DOI: 10.7603/s40730-016-0012-x] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/06/2022]
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79
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TREM-1, a negative regulator of human osteoclastogenesis. Immunol Lett 2016; 171:50-9. [DOI: 10.1016/j.imlet.2016.02.002] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/13/2015] [Revised: 01/16/2016] [Accepted: 02/02/2016] [Indexed: 11/23/2022]
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80
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Damgaard D, Senolt L, Nielsen CH. Increased levels of peptidylarginine deiminase 2 in synovial fluid from anti-CCP-positive rheumatoid arthritis patients: Association with disease activity and inflammatory markers. Rheumatology (Oxford) 2016; 55:918-27. [PMID: 26880831 PMCID: PMC5854038 DOI: 10.1093/rheumatology/kev440] [Citation(s) in RCA: 35] [Impact Index Per Article: 4.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/20/2015] [Indexed: 11/14/2022] Open
Abstract
OBJECTIVE To quantify peptidylarginine deiminase 2 (PAD2) in SF of RA patients and OA patients, and to determine the association between PAD2 levels, disease activity and inflammatory markers in RA. METHODS Blood and SF samples were obtained from 39 RA patients and 40 patients with OA. PAD2 content and PAD activity were measured by means of in-house assays. TNF-α, IL-1β, IL-6, IL-8, IL-10 and IL-12 were measured using flow cytometry. RESULTS PAD2 levels and PAD activity were higher in SF from RA than OA patients (P < 0.0001 and P = 0.03, respectively), as were all cytokine levels (P < 0.0001-0.05). SF PAD2 levels were higher among anti-CCP-positive patients than among anti-CCP-negative patients (P = 0.005). PAD2 levels in SF from RA patients correlated with disease activity, as assessed by DAS28 (P < 0.005). Moreover, SF PAD2 levels correlated with circulating CRP and anti-CCP levels (P < 0.0006), as well as with leucocyte count, IL-6, IL-8 and IL-10 levels in SF (P < 0.0001-0.02). PAD activity in SF was higher in RA patients than in OA patients, and correlated with PAD2 concentration. CONCLUSION Extracellular PAD2 levels in SF correlate with disease activity in RA patients. Anti-CCP-positive RA patients have higher PAD2 levels in SF than anti-CCP-negative RA patients and OA patients. Since we could demonstrate enzymatically active PADs in SF, we propose that free, extracellular PAD is of pathogenic relevance.
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Affiliation(s)
- Dres Damgaard
- Institute for Inflammation Research, Center for Rheumatology and Spine Diseases, Copenhagen University Hospital, Rigshospitalet, Section for Periodontology, Microbiology and Community Dentistry, Department of Odontology, Faculty of Health and Medical Sciences, University of Copenhagen, Copenhagen, Denmark and
| | - Ladislav Senolt
- Institute of Rheumatology and Department of Rheumatology, 1 Faculty of Medicine, Charles University in Prague, Czech Republic
| | - Claus H Nielsen
- Institute for Inflammation Research, Center for Rheumatology and Spine Diseases, Copenhagen University Hospital, Rigshospitalet, Section for Periodontology, Microbiology and Community Dentistry, Department of Odontology, Faculty of Health and Medical Sciences, University of Copenhagen, Copenhagen, Denmark and
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Jhun J, Lee S, Kim SY, Na HS, Kim EK, Kim JK, Jeong JH, Park SH, Cho ML. Combination therapy with metformin and coenzyme Q10 in murine experimental autoimmune arthritis. Immunopharmacol Immunotoxicol 2015; 38:103-12. [PMID: 26681425 DOI: 10.3109/08923973.2015.1122619] [Citation(s) in RCA: 17] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/24/2022]
Abstract
Metformin (Met) and coenzyme Q10 (CoQ10) are reported to have therapeutic functions in several inflammatory diseases. These drugs have shown anti-inflammatory effects and have been utilized in mouse models of rheumatoid arthritis (RA). However, there is no evidence of the additive effect of Met and CoQ10 in RA. Although Met and CoQ10 may be involved in the improvement of mitochondrial dysfunction, limited information is available regarding whether this effect can improve mitochondrial dysfunction in RA in particular. In this study, we sought to determine whether Met and CoQ10 attenuate the severity of collagen-induced arthritis (CIA) and show an additive effect in a mouse model. The combination of Met and CoQ10 improved CIA, reducing joint inflammation, Th17 differentiation and IgG production. In contrast, the combination of Met and CoQ10 induced Treg differentiation. Osteoclastogenesis was reduced by the combination of Met and CoQ10. The protein expression of interleukin-1β, interleukin-6 and tumor necrosis factor-alpha in mice splenocytes exposed to lipopolysaccharide decreased after drug combination therapy. We also found that the expression of JC-1 and COX IV were enhanced by treatment with the combination of Met and CoQ10. Moreover, the combination of Met and CoQ10 promoted mitochondrial O2 consumption. These findings suggest that the combination of Met and CoQ10 reduced CIA severity, improving mitochondrial dysfunction compared to Met or CoQ10 alone. These results present a novel, significant preventive targets in RA and may enhance our understanding of its pathogenesis.
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Affiliation(s)
- JooYeon Jhun
- a The Rheumatism Research Center, Catholic Research Institute of Medical Science, The Catholic University of Korea , Seoul , South Korea .,b Conversant Research Consortium in Immunologic Disease, College of Medicine, The Catholic University of Korea , Seoul , South Korea
| | - SeungHoon Lee
- a The Rheumatism Research Center, Catholic Research Institute of Medical Science, The Catholic University of Korea , Seoul , South Korea .,b Conversant Research Consortium in Immunologic Disease, College of Medicine, The Catholic University of Korea , Seoul , South Korea
| | - Se-Young Kim
- a The Rheumatism Research Center, Catholic Research Institute of Medical Science, The Catholic University of Korea , Seoul , South Korea .,b Conversant Research Consortium in Immunologic Disease, College of Medicine, The Catholic University of Korea , Seoul , South Korea
| | - Hyun Sik Na
- a The Rheumatism Research Center, Catholic Research Institute of Medical Science, The Catholic University of Korea , Seoul , South Korea .,b Conversant Research Consortium in Immunologic Disease, College of Medicine, The Catholic University of Korea , Seoul , South Korea
| | - Eun-Kyung Kim
- a The Rheumatism Research Center, Catholic Research Institute of Medical Science, The Catholic University of Korea , Seoul , South Korea .,b Conversant Research Consortium in Immunologic Disease, College of Medicine, The Catholic University of Korea , Seoul , South Korea
| | - Jae-Kyung Kim
- a The Rheumatism Research Center, Catholic Research Institute of Medical Science, The Catholic University of Korea , Seoul , South Korea .,b Conversant Research Consortium in Immunologic Disease, College of Medicine, The Catholic University of Korea , Seoul , South Korea
| | | | - Sung Hwan Park
- a The Rheumatism Research Center, Catholic Research Institute of Medical Science, The Catholic University of Korea , Seoul , South Korea .,c Divison of Rheumatology, Department of Internal Medicine, The Catholic University of Korea , Seoul , South Korea , and
| | - Mi-La Cho
- a The Rheumatism Research Center, Catholic Research Institute of Medical Science, The Catholic University of Korea , Seoul , South Korea .,b Conversant Research Consortium in Immunologic Disease, College of Medicine, The Catholic University of Korea , Seoul , South Korea
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Silva N, Abusleme L, Bravo D, Dutzan N, Garcia-Sesnich J, Vernal R, Hernández M, Gamonal J. Host response mechanisms in periodontal diseases. J Appl Oral Sci 2015. [PMID: 26221929 PMCID: PMC4510669 DOI: 10.1590/1678-775720140259] [Citation(s) in RCA: 254] [Impact Index Per Article: 28.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/15/2022] Open
Abstract
Periodontal diseases usually refer to common inflammatory disorders known as gingivitis and periodontitis, which are caused by a pathogenic microbiota in the subgingival biofilm, including Porphyromonas gingivalis, Aggregatibacter actinomycetemcomitans, Tannerella forsythia and Treponema denticola that trigger innate, inflammatory, and adaptive immune responses. These processes result in the destruction of the tissues surrounding and supporting the teeth, and eventually in tissue, bone and finally, tooth loss. The innate immune response constitutes a homeostatic system, which is the first line of defense, and is able to recognize invading microorganisms as non-self, triggering immune responses to eliminate them. In addition to the innate immunity, adaptive immunity cells and characteristic cytokines have been described as important players in the periodontal disease pathogenesis scenario, with a special attention to CD4+ T-cells (T-helper cells). Interestingly, the T cell-mediated adaptive immunity development is highly dependent on innate immunity-associated antigen presenting cells, which after antigen capture undergo into a maturation process and migrate towards the lymph nodes, where they produce distinct patterns of cytokines that will contribute to the subsequent polarization and activation of specific T CD4+ lymphocytes. Skeletal homeostasis depends on a dynamic balance between the activities of the bone-forming osteoblasts (OBLs) and bone-resorbing osteoclasts (OCLs). This balance is tightly controlled by various regulatory systems, such as the endocrine system, and is influenced by the immune system, an osteoimmunological regulation depending on lymphocyte- and macrophage-derived cytokines. All these cytokines and inflammatory mediators are capable of acting alone or in concert, to stimulate periodontal breakdown and collagen destruction via tissue-derived matrix metalloproteinases, a characterization of the progression of periodontitis as a stage that presents a significantly host immune and inflammatory response to the microbial challenge that determine of susceptibility to develop the destructive/progressive periodontitis under the influence of multiple behavioral, environmental and genetic factors.
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Affiliation(s)
- Nora Silva
- Department of Pathology, Faculty of Dentistry, University of Chile, Santiago, Chile
| | - Loreto Abusleme
- Department of Pathology, Faculty of Dentistry, University of Chile, Santiago, Chile
| | - Denisse Bravo
- Department of Pathology, Faculty of Dentistry, University of Chile, Santiago, Chile
| | - Nicolás Dutzan
- Department of Conservative Dentistry, Faculty of Dentistry, University of Chile, Santiago, Chile
| | - Jocelyn Garcia-Sesnich
- Department of Conservative Dentistry, Faculty of Dentistry, University of Chile, Santiago, Chile
| | - Rolando Vernal
- Department of Conservative Dentistry, Faculty of Dentistry, University of Chile, Santiago, Chile
| | - Marcela Hernández
- Department of Pathology, Faculty of Dentistry, University of Chile, Santiago, Chile
| | - Jorge Gamonal
- Department of Conservative Dentistry, Faculty of Dentistry, University of Chile, Santiago, Chile
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83
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Phalke SP, Chiplunkar SV. Activation status of γδ T cells dictates their effect on osteoclast generation and bone resorption. Bone Rep 2015; 3:95-103. [PMID: 28377972 PMCID: PMC5365245 DOI: 10.1016/j.bonr.2015.10.004] [Citation(s) in RCA: 8] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 06/20/2015] [Revised: 09/20/2015] [Accepted: 10/14/2015] [Indexed: 01/13/2023] Open
Abstract
γδ T cells, a small subset of T cell population (5–10%), forms a bridge between innate and adaptive immunity. Although the role of γδ T cells in infectious diseases and antitumor immunity is well investigated, their role in bone biology needs to be explored. Aminobisphosphonates are used as a standard treatment modality for bone related disorders and are potent activators of γδ T cells. In the present study, we have compared the effect of “activated” and “freshly isolated” γδ T cells on osteoclast generation and function. We have shown that “activated” (αCD3/CD28 + rhIL2 or BrHPP + rhIL2 stimulated) γδ T cells inhibit osteoclastogenesis, while “freshly isolated” γδ T cells enhance osteoclast generation and function. Upon stimulation with phosphoantigen (BrHPP), “freshly isolated” γδ T cells were also able to suppress osteoclast generation and function. Cytokine profiles of these cells revealed that, “freshly isolated” γδ T cells secrete higher amounts of IL6 (pro-osteoclastogenic), while “activated” γδ T cells secrete high IFNγ levels (anti-osteoclastogenic). Neutralization of IFNγ and IL6 reversed the “inhibitory” or “stimulatory” effect of γδ T cells on osteoclastogenesis. In conclusion, we have shown that, activation status and dynamics of IL6 and IFNγ secretion dictate pro and anti-osteoclastogenic role of γδ T cells. Freshly isolated (unstimulated) γδ T cells enhance osteoclastogenesis. Activated γδ T cells inhibit osteoclast generation and function. Activated γδ T cells secrete high IFNγ, while freshly isolated secrete high IL6. Dynamics of IL6/IFNγ explains pro- and anti-osteoclastogenic effect of γδ T cells.
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Key Words
- Activation status
- BrHPP, bromohydrin pyrophosphate
- CBA, cytometric bead array
- Cytokines
- FCS, Fetal calf serum
- FH, Ficoll-Hypaque
- IFNγ, interferon gamma
- IL6, interleukin 6
- MACS, magnetic-activated cell sorting
- MFI, mean fluorescent intensity
- OAAS, osteoclast activity assay substrate
- OPCs, osteoclast precursor cells
- Osteoclasts
- PBMCs, peripheral blood mononuclear cells
- PBS, phosphate buffered saline
- Phosphoantigen
- RPMI, Roswell Park Memorial Institute medium
- SEM, standard error of mean
- TRAP, tartarate resistant acid phosphatase
- cαMEM, complete minimum essential medium with alpha modification
- rhIL2, recombinant human interleukin 2
- rhMCSF, recombinant human macrophage-colony stimulating factor
- rhRANKL, recombinant human receptor activator of nuclear factor kappa-B ligand
- αIFNγ, anti-interferon gamma
- αIL6, anti-interleukin 6
- γδ T cells
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Affiliation(s)
| | - Shubhada V. Chiplunkar
- Corresponding author at: Chiplunkar Laboratory, Advanced Centre for Treatment, Research and Education in Cancer (ACTREC), Tata Memorial Centre, Kharghar, Navi Mumbai 410210, India.Chiplunkar LaboratoryAdvanced Centre for Treatment, Research and Education in Cancer (ACTREC)Tata Memorial CentreKharghar, Navi Mumbai410210India
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84
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Liu C, Yang Y, Sun D, Wang C, Wang H, Jia S, Liu L, Lin N. Total Saponin from Anemone flaccida Fr. Schmidt Prevents Bone Destruction in Experimental Rheumatoid Arthritis via Inhibiting Osteoclastogenesis. Rejuvenation Res 2015; 18:528-42. [PMID: 26418168 DOI: 10.1089/rej.2015.1688] [Citation(s) in RCA: 8] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/14/2023] Open
Abstract
Anemone flaccida Fr. Schmidt is used in the clinical compound prescription for the treatment of rheumatoid arthritis (RA) in China and has the traditional use of draining dampness, diminishing swelling, and relieving pain. Total saponins (TS) are the characteristic components and also the main active ingredients of A. flaccida. Previous reports indicated that TS possess anti-inflammatory and immunoregulatory properties; however, the effects of TS on bone destruction of RA have not been evaluated. In this study, our data first showed the therapeutic effects of TS on severity of arthritis and arthritis progression in collagen-induced arthritis (CIA) rats. Then, by microfocal computed tomography (CT) quantification, TS significantly increased bone mineral density, bone volume fraction, and trabecular thickness and decreased trabecular separation of inflamed joints both at peri-articular and extra-articular locations. TS also diminished the level of the bone resorption marker CTX-I and simultaneously increased the bone formation marker osteocalcin in sera of CIA rats. Interestingly, TS prevented bone destruction by reducing the number of osteoclasts in inflamed joints, reducing the expression of receptor activator of nuclear factor-κF (RANK) ligand (RANKL) and RANK, increasing the expression of osteoprotegerin (OPG), at both mRNA and protein levels, and decreasing the ratio of RANKL to OPG in inflamed joints and sera of CIA rats. This was further confirmed in the co-culture system of human fibroblast-like synovial and peripheral blood mononuclear cells. In addition, TS inhibited the levels of pro-inflammatory cytokines implicated in bone resorption, such as interleukin-1β (IL-1β), tumor necrosis factor-α (TNFα), IL-6, IL-17, and IL-23 in sera and joints. These findings offer convincing evidence that TS attenuate RA partially by preventing both focal bone destruction and systemic bone loss. This anti-erosive effect results in part from inhibiting osteoclastogenesis by regulating the RANKL/RANK/OPG signaling pathway. The suppression of systemic and local pro-osteoclastogenic cytokines by TS was also highly effective.
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Affiliation(s)
- Chunfang Liu
- 1 Institute of Chinese Materia Medica , China Academy of Chinese Medical Sciences, Beijing, China
| | - Yue Yang
- 1 Institute of Chinese Materia Medica , China Academy of Chinese Medical Sciences, Beijing, China
| | - Danni Sun
- 1 Institute of Chinese Materia Medica , China Academy of Chinese Medical Sciences, Beijing, China
| | - Chao Wang
- 1 Institute of Chinese Materia Medica , China Academy of Chinese Medical Sciences, Beijing, China
| | - Hui Wang
- 1 Institute of Chinese Materia Medica , China Academy of Chinese Medical Sciences, Beijing, China
| | - Shiwei Jia
- 2 Guangzhou Kanghe Pharmaceutical Limited Company , Guangzhou, China
| | - Liang Liu
- 1 Institute of Chinese Materia Medica , China Academy of Chinese Medical Sciences, Beijing, China .,3 State Key Laboratory of Quality Research in Chinese Medicine, Macau University of Science and Technology , Macau, China
| | - Na Lin
- 1 Institute of Chinese Materia Medica , China Academy of Chinese Medical Sciences, Beijing, China
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85
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Jing D, Hao J, Shen Y, Tang G, Li ML, Huang SH, Zhao ZH. The role of microRNAs in bone remodeling. Int J Oral Sci 2015. [PMID: 26208037 PMCID: PMC4582559 DOI: 10.1038/ijos.2015.22] [Citation(s) in RCA: 64] [Impact Index Per Article: 7.1] [Reference Citation Analysis] [Abstract] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/05/2023] Open
Abstract
Bone remodeling is balanced by bone formation and bone resorption as well as by alterations in the quantities and functions of seed cells, leading to either the maintenance or deterioration of bone status. The existing evidence indicates that microRNAs (miRNAs), known as a family of short non-coding RNAs, are the key post-transcriptional repressors of gene expression, and growing numbers of novel miRNAs have been verified to play vital roles in the regulation of osteogenesis, osteoclastogenesis, and adipogenesis, revealing how they interact with signaling molecules to control these processes. This review summarizes the current knowledge of the roles of miRNAs in regulating bone remodeling as well as novel applications for miRNAs in biomaterials for therapeutic purposes.
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Affiliation(s)
- Dian Jing
- State Key Laboratory of Oral Diseases, Department of Orthodontics, West China Hospital of Stomatology, Sichuan University, Chengdu, China
| | - Jin Hao
- State Key Laboratory of Oral Diseases, Department of Orthodontics, West China Hospital of Stomatology, Sichuan University, Chengdu, China
| | - Yu Shen
- State Key Laboratory of Oral Diseases, Department of Orthodontics, West China Hospital of Stomatology, Sichuan University, Chengdu, China
| | - Ge Tang
- State Key Laboratory of Oral Diseases, Department of Orthodontics, West China Hospital of Stomatology, Sichuan University, Chengdu, China
| | - Mei-Le Li
- State Key Laboratory of Oral Diseases, Department of Orthodontics, West China Hospital of Stomatology, Sichuan University, Chengdu, China
| | - Shi-Hu Huang
- State Key Laboratory of Oral Diseases, Department of Orthodontics, West China Hospital of Stomatology, Sichuan University, Chengdu, China.,Department of Orthopaedics and Traumatology, The University of Hong Kong, Hong Kong, China
| | - Zhi-He Zhao
- State Key Laboratory of Oral Diseases, Department of Orthodontics, West China Hospital of Stomatology, Sichuan University, Chengdu, China
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86
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Dai Y, Hu S. Recent insights into the role of autophagy in the pathogenesis of rheumatoid arthritis. Rheumatology (Oxford) 2015; 55:403-10. [PMID: 26342228 DOI: 10.1093/rheumatology/kev337] [Citation(s) in RCA: 22] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/04/2015] [Indexed: 12/19/2022] Open
Abstract
Autophagy appears to play a dual role in eukaryotic cells. It manifests cytoprotective effects through the regulation of catabolic processes and the clearance of pathogens; however, a correlation between autophagy and the pathogenesis of autoimmune/autoinflammatory conditions has recently been described. Autophagy has emerged as a mediator in the pathogenesis of RA. Autophagy may regulate apoptosis resistance and hyperplasia in synovial fibroblasts, promote osteoclastogenesis and stimulate osteoclast-mediated bone resorption through the delivery of citrullinated peptides to MHC compartments, which results in the activation of the innate and adaptive immune response, thereby resulting in RA. Given the likely importance of autophagy in the pathogenesis of RA, here we reviewed the detailed mechanisms concerning the pathogenicity of autophagy and autophagy proteins in RA.
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Affiliation(s)
- Yujie Dai
- Department of Rheumatology, Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China
| | - Shaoxian Hu
- Department of Rheumatology, Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China
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87
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Wang Y, Lu Y, Wang J, Shen Z, Liu H, Ma W, Zhang J, Ma X, Wang K, Meng F. Preparation and analysis of active rat model of rheumatoid arthritis with features of TCM toxic heat-stasis painful obstruction. JOURNAL OF TRADITIONAL CHINESE MEDICAL SCIENCES 2015. [DOI: 10.1016/j.jtcms.2016.01.002] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/25/2022] Open
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88
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Gambogic acid inhibits osteoclast formation and ovariectomy-induced osteoporosis by suppressing the JNK, p38 and Akt signalling pathways. Biochem J 2015. [PMID: 26205493 DOI: 10.1042/bj20150151] [Citation(s) in RCA: 24] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/17/2022]
Abstract
Excessive osteoclast formation and bone resorption are key causes of osteoporosis. Natural compounds can serve as alternative therapeutic agents for the prevention and treatment of osteoporosis, and some natural compounds may have advantages over traditional drugs. In the present paper, we report that the natural compound GBA (gambogic acid), which is bioavailable, effective and less toxic, inhibits osteoclast formation, thereby attenuating osteoclastic bone resorption in vitro. Further in vivo studies demonstrated that GBA prevented ovariectomy-induced bone loss in a dose-dependent manner. Moreover, we demonstrated that GBA suppressed RANKL (receptor activator of nuclear factor κB ligand)-induced JNK (c-Jun N-terminal kinase), p38 and Akt phosphorylation. Taken together, our results demonstrate that GBA inhibits osteoclast formation in vitro and in vivo, suggesting that it is of potential value in the treatment of osteoclast-related diseases.
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89
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Osteoimmunology: Major and Costimulatory Pathway Expression Associated with Chronic Inflammatory Induced Bone Loss. J Immunol Res 2015; 2015:281287. [PMID: 26064999 PMCID: PMC4433696 DOI: 10.1155/2015/281287] [Citation(s) in RCA: 86] [Impact Index Per Article: 9.6] [Reference Citation Analysis] [Abstract] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/17/2014] [Accepted: 12/10/2014] [Indexed: 12/28/2022] Open
Abstract
The field of osteoimmunology has emerged in response to the range of evidences demonstrating the close interrelationship between the immune system and bone metabolism. This is pertinent to immune-mediated diseases, such as rheumatoid arthritis and periodontal disease, where there are chronic inflammation and local bone erosion. Periprosthetic osteolysis is another example of chronic inflammation with associated osteolysis. This may also involve immune mediation when occurring in a patient with rheumatoid arthritis (RA). Similarities in the regulation and mechanisms of bone loss are likely to be related to the inflammatory cytokines expressed in these diseases. This review highlights the role of immune-related factors influencing bone loss particularly in diseases of chronic inflammation where there is associated localized bone loss. The importance of the balance of the RANKL-RANK-OPG axis is discussed as well as the more recently appreciated role that receptors and adaptor proteins involved in the immunoreceptor tyrosine-based activation motif (ITAM) signaling pathway play. Although animal models are briefly discussed, the focus of this review is on the expression of ITAM associated molecules in relation to inflammation induced localized bone loss in RA, chronic periodontitis, and periprosthetic osteolysis, with an emphasis on the soluble and membrane bound factor osteoclast-associated receptor (OSCAR).
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90
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Mori G, D'Amelio P, Faccio R, Brunetti G. Bone-immune cell crosstalk: bone diseases. J Immunol Res 2015; 2015:108451. [PMID: 26000310 PMCID: PMC4427089 DOI: 10.1155/2015/108451] [Citation(s) in RCA: 45] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/17/2014] [Revised: 01/22/2015] [Accepted: 01/25/2015] [Indexed: 01/14/2023] Open
Abstract
Bone diseases are associated with great morbidity; thus, the understanding of the mechanisms leading to their development represents a great challenge to improve bone health. Recent reports suggest that a large number of molecules produced by immune cells affect bone cell activity. However, the mechanisms are incompletely understood. This review aims to shed new lights into the mechanisms of bone diseases involving immune cells. In particular, we focused our attention on the major pathogenic mechanism underlying periodontal disease, psoriatic arthritis, postmenopausal osteoporosis, glucocorticoid-induced osteoporosis, metastatic solid tumors, and multiple myeloma.
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Affiliation(s)
- Giorgio Mori
- Department of Clinical and Experimental Medicine, University of Foggia, 71100 Foggia, Italy
| | - Patrizia D'Amelio
- Department of Medical Science, Section of Gerontology and Bone Metabolism Diseases, University of Torino, 10126 Torino, Italy
| | - Roberta Faccio
- Department of Orthopedics, Washington University School of Medicine, St. Louis, MO 63110, USA
| | - Giacomina Brunetti
- Department of Basic Medical Sciences, Neurosciences and Sense Organs, Section of Human Anatomy and Histology, University of Bari, 70124 Bari, Italy
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91
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Mou YK, Zhang PP, Li QX, Lin ZM, Liao ZT, Wei QJ, Gu JR. Changes of serum levels of MMP-3, sRANKL, and OPG in juvenile-onset ankylosing spondylitis patients carrying different HLA-B27 subtypes. Clin Rheumatol 2015; 34:1085-9. [PMID: 25912212 DOI: 10.1007/s10067-015-2940-z] [Citation(s) in RCA: 14] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/06/2014] [Revised: 02/15/2015] [Accepted: 04/11/2015] [Indexed: 12/19/2022]
Abstract
Ankylosing spondylitis (AS) patients whose symptom onset occurs before 16 years of age are termed juvenile-onset ankylosing spondylitis (JAS). Investigations suggested that JAS had worse functional outcome, and abnormality of bone metabolism can appear in early stage of AS. The objectives of this study are to compare changes of serum inflammatory and bone metabolic markers and to explore the relationship between these biomarkers and disease activity in JAS with different HLA-B27 subtypes. Serum matrix metallopeptidase-3 (MMP-3), soluble receptor activator of nuclear factor-κB ligand (sRANKL), and osteoprotegerin (OPG) were detected by ELISA in 56, 62, and 68 JAS patients, respectively, and 32 healthy individuals were as controls. Serum MMP-3 and sRANKL were significantly higher and OPG in JAS was slightly higher than those in controls. There was no significant difference in the level of MMP-3, sRANKL, and OPG among JAS patients with B27 negativity, B*2704, B*2705, and B*2715, respectively. Serum levels of MMP-3 showed positive correlation with BASDAI and BASFI (Bath Ankylosing Spondylitis Disease Activity Index and Functional Index). Serum level of sRANKL showed positive correlation with MMP-3 and negative correlation with disease duration. The significantly higher sRANKL expression suggested the enhanced osteoclast function and imbalance of RANKL/OPG system in the inflammatory process of JAS patients carrying different B27 subtypes. It should be paid attention to the abnormality of bone metabolism during the treatment of JAS.
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Affiliation(s)
- Yi-Kun Mou
- Department of Rheumatology, The Third Affiliated Hospital of Sun Yat-sen University, Guangzhou, Guangdong, China
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92
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Talaat RM, Sidek A, Mosalem A, Kholief A. Effect of bisphosphonates treatment on cytokine imbalance between TH17 and Treg in osteoporosis. Inflammopharmacology 2015; 23:119-25. [DOI: 10.1007/s10787-015-0233-4] [Citation(s) in RCA: 13] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/07/2014] [Accepted: 04/15/2015] [Indexed: 01/18/2023]
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93
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Liu WX, Li ZJ, Niu XL, Yao Z, Deng WM. The Role of T Helper 17 Cells and Other IL-17-Producing Cells in Bone Resorption and Remodeling. Int Rev Immunol 2015; 34:332-47. [DOI: 10.3109/08830185.2014.952414] [Citation(s) in RCA: 8] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/28/2022]
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94
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Yu TY, Pang WJ, Yang GS. Aryl hydrocarbon receptors in osteoclast lineage cells are a negative regulator of bone mass. PLoS One 2015; 10:e0117112. [PMID: 25615839 PMCID: PMC4304837 DOI: 10.1371/journal.pone.0117112] [Citation(s) in RCA: 27] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/16/2014] [Accepted: 12/19/2014] [Indexed: 11/30/2022] Open
Abstract
Aryl hydrocarbon receptors (AhRs) play a critical role in various pathological and physiological processes. Although recent research has identified AhRs as a key contributor to bone metabolism following studies in systemic AhR knockout (KO) or transgenic mice, the cellular and molecular mechanism(s) in this process remain unclear. In this study, we explored the function of AhR in bone metabolism using AhRRANKΔOc/ΔOc (RANKCre/+;AhRflox/flox) mice. We observed enhanced bone mass together with decreased resorption in both male and female 12 and 24-week-old AhRRANKΔOc/ΔOc mice. Control mice treated with 3-methylcholanthrene (3MC), an AhR agonist, exhibited decreased bone mass and increased bone resorption, whereas AhRCtskΔOc/ΔOc (CtskCre/+;AhRflox/flox) mice injected with 3MC appeared to have a normal bone phenotype. In vitro, bone marrow-derived macrophages (BMDMs) from AhRRANKΔOc/ΔOc mice exhibited impaired osteoclastogenesis and repressed differentiation with downregulated expression of B lymphocyte-induced maturation protein 1 (Blimp1), and cytochrome P450 genes Cyp1b1 and Cyp1a2. Collectively, our results not only demonstrated that AhR in osteoclast lineage cells is a physiologically relevant regulator of bone resorption, but also highlighted the need for further studies on the skeletal actions of AhR inhibitors in osteoclast lineage cells commonly associated with bone diseases, especially diseases linked to environmental pollutants known to induce bone loss.
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Affiliation(s)
- Tai-yong Yu
- Division of Integrative Pathophysiology, Proteo-Science Center, Graduate School of Medicine, Ehime University, Ehime 791-0295, Japan
- Laboratory of Epigenetic Skeletal Diseases, Institute of Molecular and Cellular Biosciences, The University of Tokyo, Tokyo 113-0032, Japan
- * E-mail:
| | - Wei-jun Pang
- College of Animal Science and Technology, Northwest A&F University, Yangling, Shaanxi Province, 712100, P.R. China
| | - Gong-she Yang
- College of Animal Science and Technology, Northwest A&F University, Yangling, Shaanxi Province, 712100, P.R. China
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95
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Park MK, Park JS, Park EM, Lim MA, Kim SM, Lee DG, Baek SY, Yang EJ, Woo JW, Lee J, Kwok SK, Kim HY, Cho ML, Park SH. Halofuginone ameliorates autoimmune arthritis in mice by regulating the balance between Th17 and Treg cells and inhibiting osteoclastogenesis. Arthritis Rheumatol 2014; 66:1195-207. [PMID: 24782183 DOI: 10.1002/art.38313] [Citation(s) in RCA: 17] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/05/2013] [Accepted: 12/05/2013] [Indexed: 12/19/2022]
Abstract
OBJECTIVE The small molecule halofuginone has been shown to inhibit fibrosis, angiogenesis, and tumor progression. This study was undertaken to evaluate the effects of halofuginone in preventing autoimmune arthritis in mice. METHODS The effects of halofuginone on joint diseases were assessed by clinical scoring and histologic analysis. Protein expression levels were confirmed by immunohistochemistry, enzyme-linked immunosorbent assay, flow cytometry, and/or Western blotting. The expression levels of messenger RNA (mRNA) for various molecules were determined by real-time polymerase chain reaction (PCR). Proliferation of osteoclast precursors was assessed by bromodeoxyuridine uptake. Osteoclast differentiation and activity were determined by quantifying tartrate-resistant acid phosphatase (TRAP)-positive multinucleated cells and area of resorbed bone. RESULTS Treatment with halofuginone suppressed the development of autoimmune arthritis and reciprocally regulated Th17 cells and FoxP3+ Treg cells. These effects of halofuginone on Th17 differentiation involved increased signaling of ERK and reduction of STAT-3 and NF-ATc1 expression. Furthermore, halofuginone induced the expression of indoleamine 2,3-dioxygenase (IDO) in dendritic cells, leading to reduced production of Th17 cells. In addition, halofuginone prevented the formation and activity of osteoclasts through suppression of transcription factors, such as activator protein 1 and NF-ATc1, and inhibited cell cycle arrest by the committed osteoclast precursors via expression of Ccnd1 encoding cyclin D1. CONCLUSION Taken together, our results suggest that halofuginone is a promising therapeutic agent for the treatment of Th17 cell-mediated inflammatory diseases and bone diseases.
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96
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Wu DJ, Dixit N, Suzuki E, Nguyen T, Shin HS, Davis J, Maverakis E, Adamopoulos IE. A novel in vivo gene transfer technique and in vitro cell based assays for the study of bone loss in musculoskeletal disorders. J Vis Exp 2014. [PMID: 24961167 DOI: 10.3791/51810] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/24/2022] Open
Abstract
Differentiation and activation of osteoclasts play a key role in the development of musculoskeletal diseases as these cells are primarily involved in bone resorption. Osteoclasts can be generated in vitro from monocyte/macrophage precursor cells in the presence of certain cytokines, which promote survival and differentiation. Here, both in vivo and in vitro techniques are demonstrated, which allow scientists to study different cytokine contributions towards osteoclast differentiation, signaling, and activation. The minicircle DNA delivery gene transfer system provides an alternative method to establish an osteoporosis-related model is particularly useful to study the efficacy of various pharmacological inhibitors in vivo. Similarly, in vitro culturing protocols for producing osteoclasts from human precursor cells in the presence of specific cytokines enables scientists to study osteoclastogenesis in human cells for translational applications. Combined, these techniques have the potential to accelerate drug discovery efforts for osteoclast-specific targeted therapeutics, which may benefit millions of osteoporosis and arthritis patients worldwide.
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Affiliation(s)
- Dennis J Wu
- Division of Rheumatology, Allergy and Clinical Immunology, University of California, Davis
| | - Neha Dixit
- Division of Rheumatology, Allergy and Clinical Immunology, University of California, Davis
| | - Erika Suzuki
- Division of Rheumatology, Allergy and Clinical Immunology, University of California, Davis
| | - Thanh Nguyen
- Institute for Pediatric Regenerative Medicine, Shriners Hospitals for Children - Northern California
| | - Hyun Seock Shin
- Division of Rheumatology, Allergy and Clinical Immunology, University of California, Davis
| | - Jack Davis
- Institute for Pediatric Regenerative Medicine, Shriners Hospitals for Children - Northern California
| | | | - Iannis E Adamopoulos
- Division of Rheumatology, Allergy and Clinical Immunology, University of California, Davis; Institute for Pediatric Regenerative Medicine, Shriners Hospitals for Children - Northern California;
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97
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Mah YJ, Song JS, Kim SO, Lee JH, Jeon M, Jung UW, Moon SJ, Kim JH, Choi HJ. The effect of epigallocatechin-3-gallate (EGCG) on human alveolar bone cells both in vitro and in vivo. Arch Oral Biol 2014; 59:539-49. [PMID: 24637009 DOI: 10.1016/j.archoralbio.2014.02.011] [Citation(s) in RCA: 31] [Impact Index Per Article: 3.1] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/11/2013] [Revised: 02/15/2014] [Accepted: 02/20/2014] [Indexed: 11/29/2022]
Abstract
OBJECTIVE The effects of epigallocatechin-3-gallate (EGCG), a major catechin in green tea, on human and mouse osteoblasts remain controversial. This study investigated the direct effects of EGCG on human alveolar bone-derived cells (hABCs) both in vitro and in vivo. DESIGN hABCs which were collected from eight children (aged 7-9 years, seven males and one female) were treated with EGCG at various concentrations (1, 5, 10, 25, and 50μM), and a proliferation assay, flow cytometric analysis for apoptosis evaluation, migration assay, and in vitro osteogenic differentiation were performed. hABCs that were pretreated with 10μM EGCG and mixed with calcium phosphate carrier combined with EGCG (0.1, 0.5, or 1.5mg) in vivo were transplanted into immunodeficient mouse. Histological staining, quantitative gene expressions, and alkaline phosphatase activity were evaluated in the retrieved transplants. RESULTS The proliferation and migration were decreased when EGCG was present at over 25μM. The osteogenic differentiation increased slightly when EGCG was present at up to 10μM, and clearly decreased for higher concentrations of EGCG. In vivo, the potential for hard-tissue formation was slightly higher for the group with 0.1mg of EGCG than for the control group, and decreased sharply for higher concentrations of EGCG. CONCLUSION The present observations suggest that EGCG at a low concentration can slightly enhance the osteogenic effect in vivo, whereas at a higher concentration it can prevent the osteogenic differentiation of hABCs both in vitro and in vivo.
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Affiliation(s)
- Yon-Joo Mah
- Division of Pediatric Dentistry, Department of Dentistry, Ewha Womans University Mokdong Hospital, Seoul, Republic of Korea
| | - Je Seon Song
- Department of Pediatric Dentistry, College of Dentistry, Yonsei University, Seoul, Republic of Korea; Department of Pediatric Dentistry, Oral Science Research Center, College of Dentistry, Yonsei University, Seoul, Republic of Korea
| | - Seong-Oh Kim
- Department of Pediatric Dentistry, College of Dentistry, Yonsei University, Seoul, Republic of Korea; Department of Pediatric Dentistry, Oral Science Research Center, College of Dentistry, Yonsei University, Seoul, Republic of Korea
| | - Jae-Ho Lee
- Department of Pediatric Dentistry, College of Dentistry, Yonsei University, Seoul, Republic of Korea; Department of Pediatric Dentistry, Oral Science Research Center, College of Dentistry, Yonsei University, Seoul, Republic of Korea
| | - Mijeong Jeon
- Department of Pediatric Dentistry, Oral Science Research Center, College of Dentistry, Yonsei University, Seoul, Republic of Korea
| | - Ui-Won Jung
- Department of Periodontology, College of Dentistry, Yonsei University, Seoul, Republic of Korea
| | - Seok Jun Moon
- Division in Pharmacology, Department of Oral Biology, College of Dentistry, Yonsei University, Republic of Korea
| | - Jeong-Hee Kim
- Department of Oral Biochemistry, Institute of Oral Biology, College of Dentistry, Kyung-Hee University, Republic of Korea
| | - Hyung-Jun Choi
- Department of Pediatric Dentistry, College of Dentistry, Yonsei University, Seoul, Republic of Korea; Department of Pediatric Dentistry, Oral Science Research Center, College of Dentistry, Yonsei University, Seoul, Republic of Korea.
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Suematsu A, Tajiri Y, Nakashima T, Taka J, Ochi S, Oda H, Nakamura K, Tanaka S, Takayanagi H. Scientific basis for the efficacy of combined use of antirheumatic drugs against bone destruction in rheumatoid arthritis. Mod Rheumatol 2014. [DOI: 10.3109/s10165-006-0531-1] [Citation(s) in RCA: 19] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/04/2023]
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Wythe SE, Nicolaidou V, Horwood NJ. Cells of the immune system orchestrate changes in bone cell function. Calcif Tissue Int 2014; 94:98-111. [PMID: 23912951 DOI: 10.1007/s00223-013-9764-0] [Citation(s) in RCA: 16] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 03/10/2013] [Accepted: 06/30/2013] [Indexed: 12/17/2022]
Abstract
There is a complex interplay between the cells of the immune system and bone. Immune cells, such as T and NK cells, are able to enhance osteoclast formation via the production of RANKL. Yet there is increasing evidence to show that during the resolution of inflammation or as a consequence of increased osteoclastogenesis there is an anabolic response via the formation of more osteoblasts. Furthermore, osteoblasts themselves are involved in the control of immune cell function, thus promoting the resolution of inflammation. Hence, the concept of "coupling"-how bone formation is linked to resorption-needs to be more inclusive rather than restricting our focus to osteoblast-osteoclast interactions as in a whole organism these cells are never in isolation. This review will investigate the role of immune cells in normal bone homeostasis and in inflammatory diseases where the balance between resorption and formation is lost.
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Affiliation(s)
- Sarah E Wythe
- Kennedy Institute of Rheumatology, Nuffield Department of Orthopaedics, Rheumatology and Musculoskeletal Sciences, University of Oxford, Roosevelt Drive, Oxford, OX3 7FY, UK
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Phuklia W, Kasisith J, Modhiran N, Rodpai E, Thannagith M, Thongsakulprasert T, Smith DR, Ubol S. Osteoclastogenesis induced by CHIKV-infected fibroblast-like synoviocytes: a possible interplay between synoviocytes and monocytes/macrophages in CHIKV-induced arthralgia/arthritis. Virus Res 2013; 177:179-88. [PMID: 24012515 DOI: 10.1016/j.virusres.2013.08.011] [Citation(s) in RCA: 40] [Impact Index Per Article: 3.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/11/2013] [Revised: 08/26/2013] [Accepted: 08/27/2013] [Indexed: 02/03/2023]
Abstract
Fibroblast-like synoviocytes are known to migrate from joint to joint and are proposed to be one of the key players in the inflammatory cascade amplification in rheumatoid arthritis patients. In the recent CHIKV epidemic, patients developed arthritis-like syndrome and the synoviocyte is one of the suspected players in CHIKV-induced polyarthritis. Thus, to learn more on this syndrome, the responses of fibroblast-like synoviocytes to chikungunya virus (CHIKV) infection, and the interaction between CHIKV-infected synoviocytes and phagocytes, were investigated. Primary human fibroblast-like synoviocyte (HFLS) cultures were infected with clinical isolates of CHIKV at an MOI of 0.001pfu/cell. Data indicated that HFLS are permissive to CHIKV replication, generating peak titers of 10(5)-10(6)pfu/ml. Interestingly, CHIKV-infected HFLS cultures secreted mainly the mediators that are responsible for phagocytes recruitment and differentiation (RANKL, IL-6, IL-8 and MCP-1) but not arthritogenic mediators (TNF-α, IL-1β, MMP-1, MMP-2 or MMP-13). The interaction between CHIKV-infected synoviocytes and phagocytes was studied using UV-irradiated, CHIKV-infected HFLS supernatant. Data revealed that supernatants from CHIKV-infected HFLS cultures not only induced migration of primary human monocytes, but also drove monocytes/macrophages into osteoclast-like cells. These differentiated osteoclast-like cells produced high levels of TNF-α and IL-6, principal mediators of arthritis. This data suggests a potential interplay between infected HFLS and recruiting phagocytes which may responsible for the arthralgia/arthritis in CHIKV-infected patients.
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Affiliation(s)
- Weerawat Phuklia
- Department of Microbiology, Faculty of Science, Mahidol University, Bangkok, Thailand
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