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Zheng H, Liu Y, Deng Y, Li Y, Liu S, Yang Y, Qiu Y, Li B, Sheng W, Liu J, Peng C, Wang W, Yu H. Recent advances of NFATc1 in rheumatoid arthritis-related bone destruction: mechanisms and potential therapeutic targets. Mol Med 2024; 30:20. [PMID: 38310228 PMCID: PMC10838448 DOI: 10.1186/s10020-024-00788-w] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/07/2023] [Accepted: 01/22/2024] [Indexed: 02/05/2024] Open
Abstract
Rheumatoid arthritis (RA) is a chronic autoimmune inflammatory disease characterized by inflammation of the synovial tissue and joint bone destruction, often leading to significant disability. The main pathological manifestation of joint deformity in RA patients is bone destruction, which occurs due to the differentiation and proliferation of osteoclasts. The transcription factor nuclear factor-activated T cell 1 (NFATc1) plays a crucial role in this process. The regulation of NFATc1 in osteoclast differentiation is influenced by three main factors. Firstly, NFATc1 is activated through the upstream nuclear factor kappa-B ligand (RANKL)/RANK signaling pathway. Secondly, the Ca2+-related co-stimulatory signaling pathway amplifies NFATc1 activity. Finally, negative regulation of NFATc1 occurs through the action of cytokines such as B-cell Lymphoma 6 (Bcl-6), interferon regulatory factor 8 (IRF8), MAF basic leucine zipper transcription factor B (MafB), and LIM homeobox 2 (Lhx2). These three phases collectively govern NFATc1 transcription and subsequently affect the expression of downstream target genes including TRAF6 and NF-κB. Ultimately, this intricate regulatory network mediates osteoclast differentiation, fusion, and the degradation of both organic and inorganic components of the bone matrix. This review provides a comprehensive summary of recent advances in understanding the mechanism of NFATc1 in the context of RA-related bone destruction and discusses potential therapeutic agents that target NFATc1, with the aim of offering valuable insights for future research in the field of RA. To assess their potential as therapeutic agents for RA, we conducted a drug-like analysis of potential drugs with precise structures.
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Affiliation(s)
- Hao Zheng
- TCM and Ethnomedicine Innovation & Development International Laboratory, School of Pharmacy, Innovative Materia Medica Research Institute, Hunan University of Chinese Medicine, Changsha, 410208, China
| | - Yuexuan Liu
- TCM and Ethnomedicine Innovation & Development International Laboratory, School of Pharmacy, Innovative Materia Medica Research Institute, Hunan University of Chinese Medicine, Changsha, 410208, China
| | - Yasi Deng
- TCM and Ethnomedicine Innovation & Development International Laboratory, School of Pharmacy, Innovative Materia Medica Research Institute, Hunan University of Chinese Medicine, Changsha, 410208, China
| | - Yunzhe Li
- TCM and Ethnomedicine Innovation & Development International Laboratory, School of Pharmacy, Innovative Materia Medica Research Institute, Hunan University of Chinese Medicine, Changsha, 410208, China
| | - Shiqi Liu
- TCM and Ethnomedicine Innovation & Development International Laboratory, School of Pharmacy, Innovative Materia Medica Research Institute, Hunan University of Chinese Medicine, Changsha, 410208, China
| | - Yong Yang
- TCM and Ethnomedicine Innovation & Development International Laboratory, School of Pharmacy, Innovative Materia Medica Research Institute, Hunan University of Chinese Medicine, Changsha, 410208, China
| | - Yun Qiu
- TCM and Ethnomedicine Innovation & Development International Laboratory, School of Pharmacy, Innovative Materia Medica Research Institute, Hunan University of Chinese Medicine, Changsha, 410208, China
| | - Bin Li
- TCM and Ethnomedicine Innovation & Development International Laboratory, School of Pharmacy, Innovative Materia Medica Research Institute, Hunan University of Chinese Medicine, Changsha, 410208, China
| | - Wenbing Sheng
- TCM and Ethnomedicine Innovation & Development International Laboratory, School of Pharmacy, Innovative Materia Medica Research Institute, Hunan University of Chinese Medicine, Changsha, 410208, China
| | - Jinzhi Liu
- TCM and Ethnomedicine Innovation & Development International Laboratory, School of Pharmacy, Innovative Materia Medica Research Institute, Hunan University of Chinese Medicine, Changsha, 410208, China
| | - Caiyun Peng
- TCM and Ethnomedicine Innovation & Development International Laboratory, School of Pharmacy, Innovative Materia Medica Research Institute, Hunan University of Chinese Medicine, Changsha, 410208, China
| | - Wei Wang
- TCM and Ethnomedicine Innovation & Development International Laboratory, School of Pharmacy, Innovative Materia Medica Research Institute, Hunan University of Chinese Medicine, Changsha, 410208, China.
| | - Huanghe Yu
- TCM and Ethnomedicine Innovation & Development International Laboratory, School of Pharmacy, Innovative Materia Medica Research Institute, Hunan University of Chinese Medicine, Changsha, 410208, China.
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Leuci A, Dargaud Y. Blood-Induced Arthropathy: A Major Disabling Complication of Haemophilia. J Clin Med 2023; 13:225. [PMID: 38202232 PMCID: PMC10779541 DOI: 10.3390/jcm13010225] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/15/2023] [Revised: 12/19/2023] [Accepted: 12/28/2023] [Indexed: 01/12/2024] Open
Abstract
Haemophilic arthropathy (HA) is one of the most serious complications of haemophilia. It starts with joint bleeding, leading to synovitis which, in turn, can cause damage to the cartilage and subchondral bone, eventually inducing degenerative joint disease. Despite significant improvements in haemophilia treatment over the past two decades and recent guidelines from ISTH and WFH recommending FVIII trough levels of at least 3 IU/dL during prophylaxis, patients with haemophilia still develop joint disease. The pathophysiology of HA is complex, involving both inflammatory and degenerative components. Early diagnosis is key for proper management. Imaging can detect joint subclinical changes and influence prophylaxis. Magnetic resonance imagining (MRI) and ultrasound are the most frequently used methods in comprehensive haemophilia care centres. Biomarkers of joint health have been proposed to determine osteochondral joint deterioration, but none of these biomarkers has been validated or used in clinical practice. Early prophylaxis is key in all severe haemophilia patients to prevent arthropathy. Treatment is essentially based on prophylaxis intensification and chronic joint pain management. However, there remain significant gaps in the knowledge of the mechanisms responsible for HA and prognosis-influencing factors. Better understanding in this area could produce more effective interventions likely to ultimately prevent or attenuate the development of HA.
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Affiliation(s)
- Alexandre Leuci
- UR4609 Hemostasis & Thrombosis Research Unit, Faculté de Médecine Lyon Est, Université Claude Bernard Lyon 1, 69008 Lyon, France;
| | - Yesim Dargaud
- UR4609 Hemostasis & Thrombosis Research Unit, Faculté de Médecine Lyon Est, Université Claude Bernard Lyon 1, 69008 Lyon, France;
- Unité d’Hémostase Clinique—Centre de Référence de l’Hémophilie, Hôpital Louis Pradel Hospices Civils de Lyon, 69002 Lyon, France
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Ijuin T, Iuchi T, Tawaratsumida H, Masuda Y, Tokushige A, Maeda S, Taniguchi N. Development of a novel animal model of rotator cuff tear arthropathy replicating clinical features of progressive osteoarthritis with subchondral bone collapse. OSTEOARTHRITIS AND CARTILAGE OPEN 2023; 5:100389. [PMID: 37560389 PMCID: PMC10407568 DOI: 10.1016/j.ocarto.2023.100389] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/18/2023] [Accepted: 07/21/2023] [Indexed: 08/11/2023] Open
Abstract
OBJECTIVE To establish an animal model of modified cuff tear arthropathy (mCTA) in order to better replicate the pathophysiology associated with rotator cuff tear-induced humeral head collapse. DESIGN mCTA was induced by transection of the rotator cuff, the long head of the biceps brachii (LHB), and superior half of the joint capsule in the right shoulder of 12-week-old rats; the left shoulder underwent sham surgery. The severity of CTA was quantitated using the Murine Shoulder Arthritis Score (MSAS). The trabecular bone of the humeral head and metaphysis was analyzed using bone histomorphometry. The expression of proinflammatory cytokines and catabolic enzymes was evaluated immunohistochemically. RESULTS In the mCTA model, the MSAS increased starting from 2 weeks after induction, and there was notable subchondral bone collapse with fibrous cells at 4 weeks. The mCTA cartilage exhibited positive staining for TNF-α, IL-1β/6, MMP-3/13, and ADAMTS5. The trabecular bone volume was reduced not only in the subchondral bone but also in the metaphysis of the humeri, and bone resorption was enhanced in these areas. In the collapsed subchondral bone, both bone formation and resorption were increased. The fibrous cells showed expression of TNF-α, IL-6, and MMP-13, along with specific markers of mesenchymal stem cells. Furthermore, the fibrous cells showed osteoblastic characteristics (RUNX2-positive) and expressed RANKL. CONCLUSIONS The LHB and the capsuloligamentous complex are critical stabilizers of the glenohumeral joint, serving to prevent the advancement of CTA following massive rotator cuff tears. Fibrous cells appear to play a role in the humeral head bone resorption.
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Affiliation(s)
- T. Ijuin
- Department of Orthopaedic Surgery, Graduate School of Medical and Dental Sciences, Kagoshima University, Kagoshima, Kagoshima 890-8520, Japan
- Department of Medical Joint Materials, Graduate School of Medical and Dental Sciences, Kagoshima University, Kagoshima, Kagoshima 890-8520, Japan
| | - T. Iuchi
- Department of Orthopaedic Surgery, Graduate School of Medical and Dental Sciences, Kagoshima University, Kagoshima, Kagoshima 890-8520, Japan
| | - H. Tawaratsumida
- Department of Orthopaedic Surgery, Graduate School of Medical and Dental Sciences, Kagoshima University, Kagoshima, Kagoshima 890-8520, Japan
| | - Y. Masuda
- Department of Orthopaedic Surgery, Graduate School of Medical and Dental Sciences, Kagoshima University, Kagoshima, Kagoshima 890-8520, Japan
- Department of Locomotory Organ Regeneration, Graduate School of Medical and Dental Sciences, Kagoshima University, Kagoshima, Kagoshima 890-8520, Japan
| | - A. Tokushige
- Department of Clinical Pharmacology and Therapeutics, Graduate School of Medicine, University of the Ryukyus, Nakagami Gun Nishihara Cho, Okinawa 903-0213, Japan
| | - S. Maeda
- Department of Bone and Joint Medicine, Graduate School of Medical and Dental Sciences, Kagoshima University, Kagoshima, Kagoshima 890-8520, Japan
| | - N. Taniguchi
- Department of Orthopaedic Surgery, Graduate School of Medical and Dental Sciences, Kagoshima University, Kagoshima, Kagoshima 890-8520, Japan
- Department of Medical Joint Materials, Graduate School of Medical and Dental Sciences, Kagoshima University, Kagoshima, Kagoshima 890-8520, Japan
- Department of Locomotory Organ Regeneration, Graduate School of Medical and Dental Sciences, Kagoshima University, Kagoshima, Kagoshima 890-8520, Japan
- Department of Bone and Joint Medicine, Graduate School of Medical and Dental Sciences, Kagoshima University, Kagoshima, Kagoshima 890-8520, Japan
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Jing W, Liu C, Su C, Liu L, Chen P, Li X, Zhang X, Yuan B, Wang H, Du X. Role of reactive oxygen species and mitochondrial damage in rheumatoid arthritis and targeted drugs. Front Immunol 2023; 14:1107670. [PMID: 36845127 PMCID: PMC9948260 DOI: 10.3389/fimmu.2023.1107670] [Citation(s) in RCA: 20] [Impact Index Per Article: 20.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/25/2022] [Accepted: 01/30/2023] [Indexed: 02/11/2023] Open
Abstract
Rheumatoid arthritis (RA) is an autoimmune disease characterized by synovial inflammation, pannus formation, and bone and cartilage damage. It has a high disability rate. The hypoxic microenvironment of RA joints can cause reactive oxygen species (ROS) accumulation and mitochondrial damage, which not only affect the metabolic processes of immune cells and pathological changes in fibroblastic synovial cells but also upregulate the expression of several inflammatory pathways, ultimately promoting inflammation. Additionally, ROS and mitochondrial damage are involved in angiogenesis and bone destruction, thereby accelerating RA progression. In this review, we highlighted the effects of ROS accumulation and mitochondrial damage on inflammatory response, angiogenesis, bone and cartilage damage in RA. Additionally, we summarized therapies that target ROS or mitochondria to relieve RA symptoms and discuss the gaps in research and existing controversies, hoping to provide new ideas for research in this area and insights for targeted drug development in RA.
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Affiliation(s)
- Weiyao Jing
- Department of Acupuncture-Moxibustion and Tuina, Gansu University of Chinese Medicine, Lanzhou, China
| | - Cui Liu
- Department of Acupuncture-Moxibustion and Tuina, Gansu University of Chinese Medicine, Lanzhou, China
| | - Chenghong Su
- Department of Acupuncture-Moxibustion and Tuina, Gansu University of Chinese Medicine, Lanzhou, China
| | - Limei Liu
- Department of Acupuncture-Moxibustion and Tuina, Gansu University of Chinese Medicine, Lanzhou, China
| | - Ping Chen
- Department of Rheumatic and Bone Disease, Gansu Provincial Hospital of Traditional Chinese Medicine, Lanzhou, China
| | - Xiangjun Li
- Department of Rheumatic and Bone Disease, Gansu Provincial Hospital of Traditional Chinese Medicine, Lanzhou, China
| | - Xinghua Zhang
- Department of Acupuncture, Gansu Provincial Hospital of Traditional Chinese Medicine, Lanzhou, China
| | - Bo Yuan
- Department of Acupuncture and Pain, Affiliated Hospital of Gansu University of Traditional Chinese Medicine, Lanzhou, China
| | - Haidong Wang
- Department of Rheumatic and Bone Disease, Gansu Provincial Hospital of Traditional Chinese Medicine, Lanzhou, China,*Correspondence: Haidong Wang, ; Xiaozheng Du,
| | - Xiaozheng Du
- Department of Acupuncture-Moxibustion and Tuina, Gansu University of Chinese Medicine, Lanzhou, China,*Correspondence: Haidong Wang, ; Xiaozheng Du,
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Ishchenko A, Scriffignano S, Coates L. Women in rheumatology: major contributions and key discoveries of the twentieth century. Rheumatology (Oxford) 2022; 62:29-34. [PMID: 35894652 DOI: 10.1093/rheumatology/keac376] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/10/2022] [Accepted: 06/21/2022] [Indexed: 12/27/2022] Open
Abstract
In the twentieth century, rheumatology saw an exponential growth. Discoveries in the pathophysiology of rheumatic diseases, progress in research methodology and novel treatments cardinally changed the natural course of rheumatic diseases and revolutionized patient management. Although underrepresented in this field, women have made considerable input in advancing our specialty towards the new era. In this article we acknowledge key scientific discoveries and major contributions made by 18 brilliant women scientists that shaped the field of rheumatology in the twentieth century. We hope that the achievements of these remarkable women will inspire young rheumatologists and researchers.
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Affiliation(s)
- Alla Ishchenko
- Department of Rheumatology, University Hospitals Gasthuisberg, Leuven, KU.,Department of Rheumatology, Ziekenhuis Netwerk Antwerpen, Antwerp, Belgium
| | - Silvia Scriffignano
- Department of Precision Medicine-Rheumatology, University of Campania Luigi Vanvitelli, Naples.,Academic Rheumatology Unit, University of Molise, Campobasso, Italy
| | - Laura Coates
- Nuffield Department of Orthopaedics, Rheumatology and Musculoskeletal Sciences, University of Oxford, Oxford, UK
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Sakthiswary R, Uma Veshaaliini R, Chin KY, Das S, Sirasanagandla SR. Pathomechanisms of bone loss in rheumatoid arthritis. Front Med (Lausanne) 2022; 9:962969. [PMID: 36059831 PMCID: PMC9428319 DOI: 10.3389/fmed.2022.962969] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/07/2022] [Accepted: 08/01/2022] [Indexed: 12/18/2022] Open
Abstract
Rheumatoid arthritis (RA) is an autoimmune disease, in which the inflammatory processes involve the skeletal system and there is marked destruction of the bones and the surrounding structures. In this review, we discuss the current concepts of osteoimmunology in RA, which represent the molecular crosstalk between the immune and skeletal systems, resulting in the disruption of bone remodeling. Bone loss in RA can be focal or generalized, leading to secondary osteoporosis. We have summarized the recent studies of bone loss in RA, which focused on the molecular aspects, such as cytokines, autoantibodies, receptor activator of nuclear kappa-β ligand (RANKL) and osteoprotegerin (OPG). Apart from the above molecules, the role of aryl hydrocarbon receptor (Ahr), which is a potential key mediator in this process through the generation of the Th17 cells, is discussed. Hence, this review highlights the key insights into molecular mechanisms of bone loss in RA.
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Affiliation(s)
- Rajalingham Sakthiswary
- Department of Medicine, Universiti Kebangsaan Malaysia Medical Centre, Kuala Lumpur, Malaysia
- *Correspondence: Rajalingham Sakthiswary
| | | | - Kok-Yong Chin
- Department of Pharmacology, Universiti Kebangsaan Malaysia Medical Centre, Kuala Lumpur, Malaysia
| | - Srijit Das
- Department of Human and Clinical Anatomy College of Medicine and Health Sciences Sultan Qaboos University, Muscat, Oman
| | - Srinivasa Rao Sirasanagandla
- Department of Human and Clinical Anatomy College of Medicine and Health Sciences Sultan Qaboos University, Muscat, Oman
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7
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Fathollahi A, Samimi LN, Akhlaghi M, Jamshidi A, Mahmoudi M, Farhadi E. The role of NK cells in rheumatoid arthritis. Inflamm Res 2021; 70:1063-1073. [PMID: 34580740 DOI: 10.1007/s00011-021-01504-8] [Citation(s) in RCA: 9] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/20/2021] [Revised: 08/11/2021] [Accepted: 09/13/2021] [Indexed: 01/17/2023] Open
Abstract
OBJECTIVE Natural killer (NK) cells are part of the innate immune system which not only provides a primary response to pathogenic conditions but can also play an important regulatory role in immune responses. Furthermore, these cells can influence immune responses by affecting other involved cells. Human NK cells can be classified as CD56dim and CD56bright; the former demonstrates mostly cytotoxic effects, while the latter comprises mostly tolerant or regulatory NK cells. These cells participate in the immunopathogenesis of rheumatoid arthritis (RA) and their role remains still unclear. METHODS We searched PubMed/MEDLINE and Scopus databases to review and analyze relevant literature on the impact of NK cells in the pathogenesis of RA. RESULTS Although the percentage of NK cells increases in peripheral blood of RA patients compared to healthy individuals, the cytotoxic function of these cells is impaired. It is demonstrated by reduced "perforin+ NK cells" and decreased per-cell lytic function. These cytotoxic NK cells may control the pathogenic bone absorptive function of osteoclasts by directly targeting these cells. CONCLUSION Collectively, the evidence collected in the current review emphasizes the possible protective role of CD56dim NK cells in the pathogenesis of RA.
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Affiliation(s)
- Anwar Fathollahi
- Department of Immunology, School of Medicine, Shahid Beheshti University of Medical Sciences, Tehran, Iran
| | - Leila Nejatbakhsh Samimi
- Rheumatology Research Center, Shariati Hospital, Tehran University of Medical Sciences, Kargar Ave., Tehran, Iran
| | - Maassoumeh Akhlaghi
- Rheumatology Research Center, Shariati Hospital, Tehran University of Medical Sciences, Kargar Ave., Tehran, Iran.,Inflammation Research Center, Tehran University of Medical Sciences, Tehran, Iran
| | - Ahmadreza Jamshidi
- Rheumatology Research Center, Shariati Hospital, Tehran University of Medical Sciences, Kargar Ave., Tehran, Iran
| | - Mahdi Mahmoudi
- Rheumatology Research Center, Shariati Hospital, Tehran University of Medical Sciences, Kargar Ave., Tehran, Iran.,Inflammation Research Center, Tehran University of Medical Sciences, Tehran, Iran
| | - Elham Farhadi
- Rheumatology Research Center, Shariati Hospital, Tehran University of Medical Sciences, Kargar Ave., Tehran, Iran. .,Inflammation Research Center, Tehran University of Medical Sciences, Tehran, Iran.
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8
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Mendez-Frausto G, Uresti-Rivera EE, Godina-Gonzalez S, Portales-Perez DP, Gonzalez-Amaro R, Garcia-Hernandez MH. Expression of mBD4, mBD3 and CRAMP during type II collagen-induced arthritis/CIA and their association with inflammation and bone-remodeling markers. Exp Mol Pathol 2021; 123:104689. [PMID: 34592200 DOI: 10.1016/j.yexmp.2021.104689] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/30/2021] [Revised: 08/20/2021] [Accepted: 09/23/2021] [Indexed: 11/18/2022]
Abstract
The aim of this study was to analyze the expression of mBD4, mBD3 and CRAMP in joint of mice with type II collagen-induced arthritis/CIA and to explore its possible association with IL-10, IL-4, IFN-γ, IL-17, MMP3, RANK/RANKL/OPG and histological parameters. METHODS CIA was induced in 44 DBA/1 J mice. The joints from mice were classified into the onset, peak and remission phase of CIA. Histological sections were stained with hematoxylin-eosin and safranin O. The expression of CRAMP, mBD-3, mBD-4, and MMP-3 was evaluated using reverse transcription polymerase chain reaction (RT-PCR) and immunohistochemistry. The expression of IL-10, IL-4, IFN-γ, IL-17, RANK/RANKL/OPG was analyzed by RT-PCR. RESULTS We observed that inflammation and immunostained cells for CRAMP increased in the peak and remission phases compared to the control group. In addition, increments in relative expressions of CRAMP were detected for the remission phase and in IL-4 and IL-17 in the peak phase compared to the control and onset phase. In addition, an increase in IL-10 in a peak phase compared to the control, as well as the relative expression of IFN-γ in remission phase was higher than in the onset phase. This was accompanied by an increase in cartilage damage in the peak phase compared to the control. Cells immunostained to MMP3 increased in the peak phase compared to the onset and control group, and relative expression of MMP3 was detected in the peak phase compared to the onset, remission, and control group. We observed that the relative expression of RANK and RANKL in the peak phase was higher than in control and onset phase. Finally, the relative expression of OPG in the peak phase compared to the onset, remission, and control group was detected. Regarding CRAMP behavior in the different phases studied, it was positively correlated with IL-4 and RANK, and showed a negative correlation with IFN-γ, IL-17, IL-10, RANKL, OPG and RANKL/OPG ratio in the control group. Also was positively correlated with IFN-γ, IL-17, IL-4, IL-10, as well as with RANK, RANKL, and OPG in the onset and peak phases of the CIA. In the peak phase, CRAMP showed a positive association with MMP3, and we observed a direct correlation between CRAMP and IFN-γ and RANKL/OPG ratio in remission phase. mBD3 correlates positively with IFN-γ, IL-17, IL-10, RANKL, OPG and RANKL/OPG ratio, and showed a negative correlation with CRAMP, MMP3, and RANK in the control group. Also, it was directly associated with IFN-γ, IL-17, IL-4, IL-10 and RANKL in the onset phase while it was inversely associated with CRAMP, MMP-3, RANK, RANKL, and OPG in the peak phase. Finally, mBD3 was inversely correlated with MMP3 in the remission phase and was directly associated with CRAMP, IFN-γ and RANKL/OPG ratio in this phase. mBD4 was directly associated with CRAMP, IFN-γ, IL-17, IL-4, IL-10, RANKL / OPG in the onset phase, and with CRAMP, IFN-γ, IL-17, IL-4, IL-10, MMP3, RANK, RANKL and OPG in the peak phase. Finally, mBD4 was positively associated with mBD3, IFN-γ, IL-17, IL-10, RANK, RANKL OPG and RANKL/OPG in the CIA remission phase. CONCLUSIONS Our results demonstrate that CRAMP plays an important role in CIA progress and suggest that its abundance is associated with local pro- and anti-inflammatory status. This makes us propose CRAMP as a possible contributor of bone reconstruction in the last stage of CIA.
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Affiliation(s)
- G Mendez-Frausto
- Unidad de Investigación Biomédica, Delegación Zacatecas, Instituto Mexicano del Seguro Social, IMSS, Zacatecas, Mexico.; Translational and Molecular Medicine Department, Research Center for Health Sciences and Biomedicine, Autonomous University of San Luis Potosí, Mexico
| | - E E Uresti-Rivera
- Translational and Molecular Medicine Department, Research Center for Health Sciences and Biomedicine, Autonomous University of San Luis Potosí, Mexico
| | - S Godina-Gonzalez
- Academic Unit of Chemical Sciences, Autonomous University of Zacatecas, Zacatecas 98160, Zacatecas, Mexico
| | - D P Portales-Perez
- Translational and Molecular Medicine Department, Research Center for Health Sciences and Biomedicine, Autonomous University of San Luis Potosí, Mexico
| | - R Gonzalez-Amaro
- Translational and Molecular Medicine Department, Research Center for Health Sciences and Biomedicine, Autonomous University of San Luis Potosí, Mexico
| | - M H Garcia-Hernandez
- Unidad de Investigación Biomédica, Delegación Zacatecas, Instituto Mexicano del Seguro Social, IMSS, Zacatecas, Mexico..
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Malhotra H, Garg V, Singh G. Biomarker Approach Towards Rheumatoid Arthritis Treatment. Curr Rheumatol Rev 2021; 17:162-175. [PMID: 33327920 DOI: 10.2174/1573397116666201216164013] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/03/2020] [Revised: 10/02/2020] [Accepted: 10/19/2020] [Indexed: 01/08/2023]
Abstract
Rheumatoid arthritis is an auto-immune disorder, recognized by cartilage as well as bone destruction, which causes irreversible joint deformities, which further results in functional limitations in the patient. Genes like HLA-DRB1 and PTPN22 are likely implicated in the genetic predisposition of rheumatoid arthritis pathology. The first and foremost clinical manifestation in a person with rheumatoid arthritis is joint destruction followed by cartilage and bone destruction caused by cell-cell interactions. The cell-cell interactions are thought to be initialized through the contact of antigen-presenting cells (APC) with CD4+ cells, leading to the progression of the disease. APC includes a complex of class ІІ major histocompatibility complex molecules along with peptide antigens and binds to the receptors present on the surface of T-cells. Further, the activation of macrophages is followed by the release of various pro-inflammatory cytokines such as IL-1 and TNF-α, which lead to the secretion of enzymes that degrade proteoglycan and collagen, which in turn, increase tissue degradation. Biomarkers like IL-6, IL-12, IL-8 and IL-18, 14-3-3η, RANKL, IFN-γ, IFN-β and TGF-β have been designated as key biomarkers in disease development and progression. The study of these biomarkers is very important as they act as a molecular indicator of pathological processes that aggravate the disease.
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Affiliation(s)
- Hitesh Malhotra
- Chandigarh College of Pharmacy Landran, Mohali, Punjab, India
| | - Vandana Garg
- Department of Pharmaceutical Sciences, Maharshi Dayanand University, Rohtak, Haryana, India
| | - Govind Singh
- Department of Pharmaceutical Sciences, Maharshi Dayanand University, Rohtak, Haryana, India
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Tavasolian F, Hosseini AZ, Soudi S, Naderi M, Sahebkar A. A Systems Biology Approach for miRNA-mRNA Expression Patterns Analysis in Rheumatoid Arthritis. Comb Chem High Throughput Screen 2021; 24:195-212. [DOI: 10.2174/1386207323666200605150024] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/03/2019] [Revised: 02/22/2020] [Accepted: 04/04/2020] [Indexed: 11/22/2022]
Abstract
Objective:
Considering the molecular complexity and heterogeneity of rheumatoid
arthritis (RA), the identification of novel molecular contributors involved in RA initiation and
progression using systems biology approaches will open up potential therapeutic strategies. The
bioinformatics method allows the detection of associated miRNA-mRNA as both therapeutic and
prognostic targets for RA.
Methods:
This research used a system biology approach based on a systematic re-analysis of the
RA-related microarray datasets in the NCBI Gene Expression Omnibus (GEO) database to find out
deregulated miRNAs. We then studied the deregulated miRNA-mRNA using Enrichr and
Molecular Signatures Database (MSigDB) to identify novel RA-related markers followed by an
overview of miRNA-mRNA interaction networks and RA-related pathways.
Results:
This research mainly focused on mRNA and miRNA interactions in all tissues and
blood/serum associated with RA to obtain a comprehensive knowledge of RA. Recent systems
biology approach analyzed seven independent studies and presented important RA-related
deregulated miRNAs (miR-145-5p, miR-146a-5p, miR-155-5p, miR-15a-5p, miR-29c-3p, miR-
103a-3p, miR-125a-5p, miR-125b-5p, miR-218); upregulation of miR-125b is shown in the study
(GSE71600). While the findings of the Enrichr showed cytokine and vitamin D receptor pathways
and inflammatory pathways. Further analysis revealed a negative correlation between the vitamin
D receptor (VDR) and miR-125b in RA-associated gene expression.
Conclusion:
Since vitamin D is capable of regulating the immune homeostasis and decreasing the
autoimmune process through its receptor (VDR), it is regarded as a potential target for RA.
According to the results obtained, a comparative correlation between negative expression of the
vitamin D receptor (VDR) and miR-125b was suggested in RA. The increasing miR-125b
expression would reduce the VitD uptake through its receptor.
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Affiliation(s)
- Fataneh Tavasolian
- Department of Immunology, Faculty of Medical Sciences, Tarbiat Modares University, Tehran, Iran
| | - Ahmad Zavaran Hosseini
- Department of Immunology, Faculty of Medical Sciences, Tarbiat Modares University, Tehran, Iran
| | - Sara Soudi
- Department of Immunology, Faculty of Medical Sciences, Tarbiat Modares University, Tehran, Iran
| | - Mahmood Naderi
- Cell-Based Therapies Research Center, Digestive Disease Research Institute, Tehran University of Medical Sciences, Tehran, Iran
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11
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Torikai M, Higuchi H, Yamamoto N, Ishikawa D, Fujita H, Taguchi K, Sakai F, Soejima K, Nakashima T. A novel monoclonal antibody cross-reactive with both human and mouse α9 integrin useful for therapy against rheumatoid arthritis. J Biochem 2021; 168:231-241. [PMID: 32271918 DOI: 10.1093/jb/mvaa040] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/14/2019] [Accepted: 03/28/2020] [Indexed: 11/14/2022] Open
Abstract
This study introduces a novel monoclonal anti-α9 integrin antibody (MA9-413) with human variable regions, isolated by phage display technology. MA9-413 specifically binds to both human and mouse α9 integrin by recognizing a conserved loop region designated as L1 (amino acids 104-122 of human α9 integrin). MA9-413 inhibits human and mouse α9 integrin-dependent cell adhesion to ligands and suppresses synovial inflammation and osteoclast activation in a mouse model of arthritis. This is the first monoclonal anti-α9 integrin antibody that can react with and functionally inhibit both human and mouse α9 integrin. MA9-413 allows data acquisition both in animal and human pharmacological studies without resorting to surrogate antibodies. Since MA9-413 showed certain therapeutic effects in the mouse arthritis model, it can be considered as a useful therapy against rheumatoid arthritis and other α9 integrin-associated diseases.
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Affiliation(s)
- Masaharu Torikai
- Research & Development Division, KM Biologics Co., Ltd, 1314-1 Kyokushi-Kawabe, Kikuchi, Kumamoto 869-1298, Japan
| | - Hirofumi Higuchi
- Research & Development Division, KM Biologics Co., Ltd, 1314-1 Kyokushi-Kawabe, Kikuchi, Kumamoto 869-1298, Japan
| | | | - Daisuke Ishikawa
- Research & Development Division, KM Biologics Co., Ltd, 1314-1 Kyokushi-Kawabe, Kikuchi, Kumamoto 869-1298, Japan
| | - Hirotada Fujita
- Astellas Pharma Inc., 21 Miyukigaoka, Tsukuba, Ibaraki 305-8585, Japan
| | - Katsunari Taguchi
- Astellas Pharma Inc., 21 Miyukigaoka, Tsukuba, Ibaraki 305-8585, Japan
| | - Fumihiko Sakai
- EVEC Inc., 6 Odori Nishi, Chuo-ku, Sapporo 060-0042, Japan
| | - Kenji Soejima
- Research & Development Division, KM Biologics Co., Ltd, 1314-1 Kyokushi-Kawabe, Kikuchi, Kumamoto 869-1298, Japan
| | - Toshihiro Nakashima
- The Chemo-Sero-Therapeutic Research Institute (Kaketsuken), 4-7 Hanabatacho, Chuo-ku, Kumamoto 860-0806, Japan
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12
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Sharma A, Sharma L, Goyal R. Molecular Signaling Pathways and Essential Metabolic Elements in Bone Remodeling: An Implication of Therapeutic Targets for Bone Diseases. Curr Drug Targets 2020; 22:77-104. [PMID: 32914712 DOI: 10.2174/1389450121666200910160404] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/21/2020] [Revised: 06/28/2020] [Accepted: 07/15/2020] [Indexed: 01/01/2023]
Abstract
Bone is one of the dynamic tissues in the human body that undergoes continuous remodelling through subsequent actions of bone cells, osteoclasts, and osteoblasts. Several signal transduction pathways are involved in the transition of mesenchymal stem cells into osteoblasts. These primarily include Runx2, ATF4, Wnt signaling and sympathetic signalling. The differentiation of osteoclasts is controlled by M-CSF, RANKL, and costimulatory signalling. It is well known that bone remodelling is regulated through receptor activator of nuclear factor-kappa B ligand followed by binding to RANK, which eventually induces the differentiation of osteoclasts. The resorbing osteoclasts secrete TRAP, cathepsin K, MMP-9 and gelatinase to digest the proteinaceous matrix of type I collagen and form a saucer-shaped lacuna along with resorption tunnels in the trabecular bone. Osteoblasts secrete a soluble decoy receptor, osteoprotegerin that prevents the binding of RANK/RANKL and thus moderating osteoclastogenesis. Moreover, bone homeostasis is also regulated by several growth factors like, cytokines, calciotropic hormones, parathyroid hormone and sex steroids. The current review presents a correlation of the probable molecular targets underlying the regulation of bone mass and the role of essential metabolic elements in bone remodelling. Targeting these signaling pathways may help to design newer therapies for treating bone diseases.
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Affiliation(s)
- Aditi Sharma
- School of Pharmaceutical Sciences, Shoolini University, Solan, Himachal Pradesh, 173212, India
| | - Lalit Sharma
- School of Pharmaceutical Sciences, Shoolini University, Solan, Himachal Pradesh, 173212, India
| | - Rohit Goyal
- School of Pharmaceutical Sciences, Shoolini University, Solan, Himachal Pradesh, 173212, India
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13
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Arthritis and the role of endogenous glucocorticoids. Bone Res 2020; 8:33. [PMID: 32963891 PMCID: PMC7478967 DOI: 10.1038/s41413-020-00112-2] [Citation(s) in RCA: 19] [Impact Index Per Article: 4.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/30/2020] [Revised: 07/09/2020] [Accepted: 07/27/2020] [Indexed: 12/17/2022] Open
Abstract
Rheumatoid arthritis and osteoarthritis, the most common forms of arthritis, are chronic, painful, and disabling conditions. Although both diseases differ in etiology, they manifest in progressive joint destruction characterized by pathological changes in the articular cartilage, bone, and synovium. While the potent anti-inflammatory properties of therapeutic (i.e., exogenous) glucocorticoids have been heavily researched and are widely used in clinical practice, the role of endogenous glucocorticoids in arthritis susceptibility and disease progression remains poorly understood. Current evidence from mouse models suggests that local endogenous glucocorticoid signaling is upregulated by the pro-inflammatory microenvironment in rheumatoid arthritis and by aging-related mechanisms in osteoarthritis. Furthermore, these models indicate that endogenous glucocorticoid signaling in macrophages, mast cells, and chondrocytes has anti-inflammatory effects, while signaling in fibroblast-like synoviocytes, myocytes, osteoblasts, and osteocytes has pro-inflammatory actions in rheumatoid arthritis. Conversely, in osteoarthritis, endogenous glucocorticoid signaling in both osteoblasts and chondrocytes has destructive actions. Together these studies provide insights into the role of endogenous glucocorticoids in the pathogenesis of both inflammatory and degenerative joint disease.
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14
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Lee WS, Yasuda S, Kono M, Kudo Y, Shimamura S, Kono M, Fujieda Y, Kato M, Oku K, Shimizu T, Onodera T, Iwasaki N, Atsumi T. MicroRNA-9 ameliorates destructive arthritis through down-regulation of NF-κB1-RANKL pathway in fibroblast-like synoviocytes. Clin Immunol 2020; 212:108348. [PMID: 31978557 DOI: 10.1016/j.clim.2020.108348] [Citation(s) in RCA: 23] [Impact Index Per Article: 5.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/06/2019] [Revised: 01/20/2020] [Accepted: 01/20/2020] [Indexed: 12/22/2022]
Abstract
We investigated the effect of miR-9 on fibroblast-like synoviocytes (FLS) from RA patients and animal arthritis model. The binding of miR-9 to NF-κB1 3'UTR was analyzed by luciferase reporter assay and immunoprecipitation. ChIP assay and luciferase promoter assay were performed to identify the binding of NF-κB1 to RANKL promoter and its activity. FLS were treated with miR-9/anti-miR-9 to evaluate cell proliferation and the expression of RANKL. Therapeutic effect of intra-articular miR-9 was evaluated in type-II collagen-induced arthritis in rats. miR-9 bound to the 3'-UTR of NF-κB1 and downregulated NF-κB1. NF-κB1 bound to RANKL promoter and increased the promoter activity of RANKL. RANKL was downregulated by miR-9. Proliferation of FLS was increased by miR-9 inhibitor. miR-9 dampened experimental arthritis by lowering inflammatory state, reducing RANKL and osteoclasts formation. Our findings revealed miR-9-NF-κB1-RANKL pathway in RA-FLS, further, miR-9 ameliorated inflammatory arthritis in vivo which propose therapeutic implications of miR- 9 in RA.
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Affiliation(s)
- Wen Shi Lee
- Department of Rheumatology, Endocrinology and Nephrology, Faculty of Medicine and Graduate School of Medicine, Hokkaido University, Sapporo, Japan
| | - Shinsuke Yasuda
- Department of Rheumatology, Endocrinology and Nephrology, Faculty of Medicine and Graduate School of Medicine, Hokkaido University, Sapporo, Japan; Department of Rheumatology, Graduate School of Medical and Dental Sciences, Tokyo Medical and Dental University (TMDU), Tokyo, Japan.
| | - Michihiro Kono
- Department of Rheumatology, Endocrinology and Nephrology, Faculty of Medicine and Graduate School of Medicine, Hokkaido University, Sapporo, Japan
| | - Yuki Kudo
- Department of Rheumatology, Endocrinology and Nephrology, Faculty of Medicine and Graduate School of Medicine, Hokkaido University, Sapporo, Japan
| | - Sanae Shimamura
- Department of Rheumatology, Endocrinology and Nephrology, Faculty of Medicine and Graduate School of Medicine, Hokkaido University, Sapporo, Japan
| | - Michihito Kono
- Department of Rheumatology, Endocrinology and Nephrology, Faculty of Medicine and Graduate School of Medicine, Hokkaido University, Sapporo, Japan
| | - Yuichiro Fujieda
- Department of Rheumatology, Endocrinology and Nephrology, Faculty of Medicine and Graduate School of Medicine, Hokkaido University, Sapporo, Japan
| | - Masaru Kato
- Department of Rheumatology, Endocrinology and Nephrology, Faculty of Medicine and Graduate School of Medicine, Hokkaido University, Sapporo, Japan
| | - Kenji Oku
- Department of Rheumatology, Endocrinology and Nephrology, Faculty of Medicine and Graduate School of Medicine, Hokkaido University, Sapporo, Japan
| | - Tomohiro Shimizu
- Department of Orthopedic Surgery, Faculty of Medicine, Hokkaido University, Sapporo, Japan
| | - Tomohiro Onodera
- Department of Orthopedic Surgery, Faculty of Medicine, Hokkaido University, Sapporo, Japan
| | - Norimasa Iwasaki
- Department of Orthopedic Surgery, Faculty of Medicine, Hokkaido University, Sapporo, Japan
| | - Tatsuya Atsumi
- Department of Rheumatology, Endocrinology and Nephrology, Faculty of Medicine and Graduate School of Medicine, Hokkaido University, Sapporo, Japan
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15
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Lee HH, Moon Y, Shin JS, Lee JH, Kim TW, Jang C, Park C, Lee J, Kim Y, Kim Y, Werz O, Park BY, Lee JY, Lee KT. A novel mPGES-1 inhibitor alleviates inflammatory responses by downregulating PGE2 in experimental models. Prostaglandins Other Lipid Mediat 2019; 144:106347. [DOI: 10.1016/j.prostaglandins.2019.106347] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/29/2019] [Revised: 06/12/2019] [Accepted: 06/19/2019] [Indexed: 02/07/2023]
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16
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Pandey MK, Gupta SC, Karelia D, Gilhooley PJ, Shakibaei M, Aggarwal BB. Dietary nutraceuticals as backbone for bone health. Biotechnol Adv 2018; 36:1633-1648. [DOI: 10.1016/j.biotechadv.2018.03.014] [Citation(s) in RCA: 33] [Impact Index Per Article: 5.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/15/2017] [Revised: 03/13/2018] [Accepted: 03/21/2018] [Indexed: 12/11/2022]
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17
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Park SH, Rhee J, Kim SK, Kang JA, Kwak JS, Son YO, Choi WS, Park SG, Chun JS. BATF regulates collagen-induced arthritis by regulating T helper cell differentiation. Arthritis Res Ther 2018; 20:161. [PMID: 30071881 PMCID: PMC6090970 DOI: 10.1186/s13075-018-1658-0] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/15/2018] [Accepted: 07/03/2018] [Indexed: 12/25/2022] Open
Abstract
Background We recently demonstrated that BATF, a member of the activator protein-1 (AP-1) family, regulates osteoarthritic cartilage destruction. Here, we explored the roles and regulatory mechanisms of BATF in collagen-induced arthritis (CIA) in mice. Methods CIA and K/BxN serum transfer were used to generate inflammatory arthritis models in wild-type (WT) and Batf−/− mice. RA manifestations were determined by examining CIA incidence, clinical score, synovitis, synovial hyperplasia, angiogenesis in inflamed synovium, pannus formation, bone erosion, and cartilage destruction. Immune features in RA were analyzed by examining immune cell populations and cytokine production. Results BATF was upregulated in the synovial tissues of joints in which inflammatory arthritis had been caused by CIA or K/BxN serum transfer. The increases in CIA incidence, clinical score, and autoantibody production in CIA-induced WT mice were completely abrogated in the corresponding Batf−/− DBA/1 J mice. Genetic ablation of Batf also inhibited CIA-induced synovitis, synovial hyperplasia, angiogenesis in synovial tissues, pannus formation, bone erosion, and cartilage destruction. Batf knockout inhibited the differentiation of T helper (Th)17 cells and the conversion of CD4+Foxp3+ cells to CD4+IL-17+ cells. However, BATF did not modulate the functions of fibroblast-like synoviocytes (FLS), including the expressions of chemokines, matrix-degrading enzymes, vascular endothelial growth factor, and receptor activator of NF-κB ligand (RANKL). Conclusion Our findings indicate that BATF crucially mediates CIA by regulating Th cell differentiation without directly affecting the functions of FLS.
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Affiliation(s)
- Sang-Heon Park
- School of Life Sciences, Gwangju Institute of Science and Technology, Gwangju, 61005, Republic of Korea
| | - Jinseol Rhee
- Keimyung University Dongsan Medical Center, Daegu, 41931, Republic of Korea
| | - Seul-Ki Kim
- School of Life Sciences, Gwangju Institute of Science and Technology, Gwangju, 61005, Republic of Korea
| | - Jung-Ah Kang
- School of Life Sciences, Gwangju Institute of Science and Technology, Gwangju, 61005, Republic of Korea
| | - Ji-Sun Kwak
- School of Life Sciences, Gwangju Institute of Science and Technology, Gwangju, 61005, Republic of Korea
| | - Young-Ok Son
- School of Life Sciences, Gwangju Institute of Science and Technology, Gwangju, 61005, Republic of Korea
| | - Wan-Su Choi
- School of Life Sciences, Gwangju Institute of Science and Technology, Gwangju, 61005, Republic of Korea
| | - Sung-Gyoo Park
- School of Life Sciences, Gwangju Institute of Science and Technology, Gwangju, 61005, Republic of Korea
| | - Jang-Soo Chun
- School of Life Sciences, Gwangju Institute of Science and Technology, Gwangju, 61005, Republic of Korea.
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18
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Peng W, Shen H, Lin B, Han P, Li C, Zhang Q, Ye B, Rahman K, Xin H, Qin L, Han T. Docking study and antiosteoporosis effects of a dibenzylbutane lignan isolated from Litsea cubeba targeting Cathepsin K and MEK1. Med Chem Res 2018. [DOI: 10.1007/s00044-018-2215-8] [Citation(s) in RCA: 18] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/24/2022]
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19
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Guo Q, Wang Y, Xu D, Nossent J, Pavlos NJ, Xu J. Rheumatoid arthritis: pathological mechanisms and modern pharmacologic therapies. Bone Res 2018; 6:15. [PMID: 29736302 PMCID: PMC5920070 DOI: 10.1038/s41413-018-0016-9] [Citation(s) in RCA: 810] [Impact Index Per Article: 135.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/08/2017] [Revised: 03/26/2018] [Accepted: 03/28/2018] [Indexed: 02/06/2023] Open
Abstract
Rheumatoid arthritis (RA) is a chronic systemic autoimmune disease that primarily affects the lining of the synovial joints and is associated with progressive disability, premature death, and socioeconomic burdens. A better understanding of how the pathological mechanisms drive the deterioration of RA progress in individuals is urgently required in order to develop therapies that will effectively treat patients at each stage of the disease progress. Here we dissect the etiology and pathology at specific stages: (i) triggering, (ii) maturation, (iii) targeting, and (iv) fulminant stage, concomitant with hyperplastic synovium, cartilage damage, bone erosion, and systemic consequences. Modern pharmacologic therapies (including conventional, biological, and novel potential small molecule disease-modifying anti-rheumatic drugs) remain the mainstay of RA treatment and there has been significant progress toward achieving disease remission without joint deformity. Despite this, a significant proportion of RA patients do not effectively respond to the current therapies and thus new drugs are urgently required. This review discusses recent advances of our understanding of RA pathogenesis, disease modifying drugs, and provides perspectives on next generation therapeutics for RA. The preclinical stages of rheumatoid arthritis (RA) represent a golden window for the development of therapies which could someday prevent the onset of clinical disease. The autoimmune processes underpinning RA usually begin many years before symptoms such as joint pain and stiffness emerge. Recent studies have identified some of the key cellular players driving these processes and begun to unpick how genetic and environmental risk factors combine to trigger them; they also suggest the existence of several distinct subtypes of RA, which require further exploration. Jiake Xu at the University of Western Australia in Perth and colleagues review current treatment strategies for RA and how such insights could ultimately lead to the earlier diagnosis of RA - as well as providing new opportunities for drug treatment and prevention through behavioral changes in high-risk individuals.
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Affiliation(s)
- Qiang Guo
- 1Department of Spine Surgery, Xiangya Hospital, Central South University, No. 87, Xiangya Road, 410008 Changsha, China.,2School of Biomedical Sciences, Faculty of Health and Medical Sciences, The University of Western Australia, Nedlands, Western Australia 6009 Australia
| | - Yuxiang Wang
- 1Department of Spine Surgery, Xiangya Hospital, Central South University, No. 87, Xiangya Road, 410008 Changsha, China
| | - Dan Xu
- 2School of Biomedical Sciences, Faculty of Health and Medical Sciences, The University of Western Australia, Nedlands, Western Australia 6009 Australia.,Musculoskeletal Health Network, Department of Health WA, 189 Royal Street, East Perth, WA 6004 Australia
| | - Johannes Nossent
- Musculoskeletal Health Network, Department of Health WA, 189 Royal Street, East Perth, WA 6004 Australia.,4School of Medicine, Faculty of Health and Medical Sciences, The University of Western Australia, Nedlands, Western Australia 6009 Australia
| | - Nathan J Pavlos
- 2School of Biomedical Sciences, Faculty of Health and Medical Sciences, The University of Western Australia, Nedlands, Western Australia 6009 Australia
| | - Jiake Xu
- 2School of Biomedical Sciences, Faculty of Health and Medical Sciences, The University of Western Australia, Nedlands, Western Australia 6009 Australia
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20
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Gamal RM, Gamal WM, Ghandour AM, Abozaid HSM, Mohamed ME, Emad Y, Abdel Galeel A. Study of the osteoprotegerin/receptor activator of nuclear factor-kB ligand system association with inflammation and atherosclerosis in systemic sclerosis. Immunol Invest 2018; 47:241-250. [DOI: 10.1080/08820139.2017.1423499] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/18/2022]
Affiliation(s)
- Rania M. Gamal
- Rheumatology& Rehabilitation department, Assuit University , Assuit, Egypt
| | - Walid M. Gamal
- Vascular Surgery department, Qena university hospital, South Valley University , Qena, Egypt
| | - Abeer M. Ghandour
- Rheumatology& Rehabilitation department, Assuit University , Assuit, Egypt
| | | | | | - Yasser Emad
- Rheumatology& Rehabilitation department, Cairo University , Egypt
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21
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Sapir-Koren R, Livshits G. Postmenopausal osteoporosis in rheumatoid arthritis: The estrogen deficiency-immune mechanisms link. Bone 2017; 103:102-115. [PMID: 28666971 DOI: 10.1016/j.bone.2017.06.020] [Citation(s) in RCA: 54] [Impact Index Per Article: 7.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 03/26/2017] [Revised: 06/13/2017] [Accepted: 06/26/2017] [Indexed: 12/20/2022]
Abstract
Rheumatoid arthritis (RA) is characterized, among other factors, by systemic bone loss, reaching ~50% prevalence of osteoporosis in postmenopausal women. This is roughly a doubled prevalence in comparison with age-matched non-RA women. Postmenopausal RA women are more likely to be sero-positive for the anti-citrullinated peptide antibody (ACPA). Our extensive review of recent scientific literature enabled us to propose several mechanisms as responsible for the accelerated bone loss in ACPA(+) RA postmenopausal women. Menopause-associated estrogen deficiency plays a major role in these pathological mechanisms, as follows.
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Affiliation(s)
- Rony Sapir-Koren
- Human Population Biology Research Group, Department of Anatomy and Anthropology, Sackler Faculty of Medicine, Tel-Aviv University, Tel-Aviv, Israel.
| | - Gregory Livshits
- Human Population Biology Research Group, Department of Anatomy and Anthropology, Sackler Faculty of Medicine, Tel-Aviv University, Tel-Aviv, Israel; Lilian and Marcel Pollak Chair of Biological Anthropology, Department of Anatomy and Anthropology, Sackler Faculty of Medicine, Tel-Aviv University, Tel-Aviv, Israel.
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22
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Abstract
PURPOSE OF REVIEW Mounting evidence supporting the critical contribution of macrophages, in particular osteal macrophages, to bone regeneration is reviewed. We specifically examine the potential role of macrophages in the basic multicellular units coordinating lifelong bone regeneration via remodelling and bone regeneration in response to injury. We review and discuss the distinctions between macrophage and osteoclast contributions to bone homeostasis, particularly the dichotomous role of the colony-stimulating factor 1-colony-stimulating factor 1 receptor axis. RECENT FINDINGS The impact of inflammation associated with aging and other hallmarks of aging, including senescence, on macrophage function is addressed in the context of osteoporosis and delayed fracture repair. Resident macrophages versus recruited macrophage contributions to fracture healing are also discussed. We identify some of the remaining knowledge gaps that will need to be closed in order to maximise benefits from therapeutically modulating or mimicking the function of macrophages to improve bone health and regeneration over a lifetime.
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Affiliation(s)
- Lena Batoon
- Bones and Immunology Laboratory, Cancer Biology and Care Program, Mater Research Institute - The University of Queensland, Translational Research Institute, 37 Kent Street, Woolloongabba, QLD, 4102, Australia
| | - Susan Marie Millard
- Bones and Immunology Laboratory, Cancer Biology and Care Program, Mater Research Institute - The University of Queensland, Translational Research Institute, 37 Kent Street, Woolloongabba, QLD, 4102, Australia
| | - Liza Jane Raggatt
- Bones and Immunology Laboratory, Cancer Biology and Care Program, Mater Research Institute - The University of Queensland, Translational Research Institute, 37 Kent Street, Woolloongabba, QLD, 4102, Australia
- Faculty of Medicine, The University of Queensland, Herston, QLD, 4092, Australia
| | - Allison Robyn Pettit
- Bones and Immunology Laboratory, Cancer Biology and Care Program, Mater Research Institute - The University of Queensland, Translational Research Institute, 37 Kent Street, Woolloongabba, QLD, 4102, Australia.
- Faculty of Medicine, The University of Queensland, Herston, QLD, 4092, Australia.
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23
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Lin YY, Jean YH, Lee HP, Lin SC, Pan CY, Chen WF, Wu SF, Su JH, Tsui KH, Sheu JH, Sung PJ, Wen ZH. Excavatolide B Attenuates Rheumatoid Arthritis through the Inhibition of Osteoclastogenesis. Mar Drugs 2017; 15:md15010009. [PMID: 28067799 PMCID: PMC5295229 DOI: 10.3390/md15010009] [Citation(s) in RCA: 23] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/04/2016] [Revised: 12/17/2016] [Accepted: 12/26/2016] [Indexed: 02/08/2023] Open
Abstract
Osteoclasts are multinucleated giant cells of macrophage/monocyte lineage, and cell differentiation with the upregulation of osteoclast-related proteins is believed to play a major role in the destruction of the joints in the course of rheumatoid arthritis (RA). Pro-inflammatory cytokines, such as interleukin-17A (IL-17A) and macrophage colony-stimulating factor (M-CSF), can be overexpressed in RA and lead to osteoclastogenesis. In a previous study, we found that cultured-type soft coral-derived excavatolide B (Exc-B) exhibited anti-inflammatory properties. In the present study, we thus aimed to evaluate the anti-arthritic activity of Exc-B in in vitro and in vivo models. The results demonstrated that Exc-B inhibits LPS-induced multinucleated cell and actin ring formation, as well as TRAP, MMP-9, and cathepsin K expression. Additionally, Exc-B significantly attenuated the characteristics of RA in adjuvant (AIA) and type II collagen-induced arthritis (CIA) in rats. Moreover, Exc-B improved histopathological features, and reduced the number of TRAP-positive multinucleated cells in the in vivo AIA and CIA models. Immunohistochemical analysis showed that Exc-B attenuated the protein expression of cathepsin K, MMP-2, MMP-9, CD11b, and NFATc1 in ankle tissues of AIA and CIA rats. Level of interleukin-17A and macrophage colony-stimulating factor were also decreased by Exc-B. These findings strongly suggest that Exc-B could be of potential use as a therapeutic agent by inhibiting osteoclast differentiation in arthritis. Moreover, this study also illustrates the use of the anti-inflammatory marine compound, Exc-B, as a potential therapeutic strategy for RA.
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Affiliation(s)
- Yen-You Lin
- Department of Marine Biotechnology and Resources, National Sun Yat-sen University, No.70, Lianhai Road, Gushan District, Kaohsiung 80424, Taiwan.
| | - Yen-Hsuan Jean
- Department of Orthopaedic Surgery, Ping-Tung Christian Hospital, No.60, Dalian Road, Pingtung 90059, Taiwan.
| | - Hsin-Pai Lee
- Department of Orthopaedic Surgery, Ping-Tung Christian Hospital, No.60, Dalian Road, Pingtung 90059, Taiwan.
| | - Sung-Chun Lin
- Department of Orthopaedic Surgery, Ping-Tung Christian Hospital, No.60, Dalian Road, Pingtung 90059, Taiwan.
| | - Chieh-Yu Pan
- Department and Graduate Institute of Aquaculture, National Kaohsiung Marine University, No.142, Haizhuan Road, Nanzi District, Kaohsiung 81157, Taiwan.
| | - Wu-Fu Chen
- Department of Marine Biotechnology and Resources, National Sun Yat-sen University, No.70, Lianhai Road, Gushan District, Kaohsiung 80424, Taiwan.
- Department of Neurosurgery, Chang Gung Memorial Hospital-Kaohsiung Medical Center and Chang Gung University College of Medicine, No.123, Dapi Road, Niaosong District, Kaohsiung 83301, Taiwan.
- Department of Neurosurgery, Xiamen Chang Gung Memorial Hospital, No.123, Xiafei Road, Haicang District, Xiamen 361000, China.
| | - Shu-Fen Wu
- Department of Life Science, Institute of Molecular Biology, National Chung-Cheng University, No.168, Sec. 1, University Road, Min-Hsiung, Chia-yi 62102, Taiwan.
| | - Jui-Hsin Su
- Taiwan Coral Research Center, National Museum of Marine Biology & Aquarium, No.2 Houwan Road, Checheng, Pingtung 94450, Taiwan.
- Graduate Institute of Marine Biotechnology, National Dong Hwa University, No.2 Houwan Road, Checheng, Pingtung 94450, Taiwan.
| | - Kuan-Hao Tsui
- Department of Obstetrics and Gynecology, Kaohsiung Veterans General Hospital, No.386, Dazhong 1st Road, Zuoying District, Kaohsiung 81362, Taiwan.
- Department of Obstetrics and Gynecology and Institute of Clinical Medicine, National Yang-Ming University, No.155, Sec. 2, Linong Street, Taipei 11221, Taiwan.
- Department of Pharmacy and Graduate Institute of Pharmaceutical Technology, Tajen University, No.20, Weixin Road, Yanpu, Pingtung 90741, Taiwan.
| | - Jyh-Horng Sheu
- Department of Marine Biotechnology and Resources, National Sun Yat-sen University, No.70, Lianhai Road, Gushan District, Kaohsiung 80424, Taiwan.
- Doctoral Degree Program in Marine Biotechnology, National Sun Yat-sen University and Academia Sinica, No.70, Lianhai Road, Gushan District, Kaohsiung 80424, Taiwan.
| | - Ping-Jyun Sung
- Taiwan Coral Research Center, National Museum of Marine Biology & Aquarium, No.2 Houwan Road, Checheng, Pingtung 94450, Taiwan.
- Graduate Institute of Marine Biotechnology, National Dong Hwa University, No.2 Houwan Road, Checheng, Pingtung 94450, Taiwan.
| | - Zhi-Hong Wen
- Department of Marine Biotechnology and Resources, National Sun Yat-sen University, No.70, Lianhai Road, Gushan District, Kaohsiung 80424, Taiwan.
- Doctoral Degree Program in Marine Biotechnology, National Sun Yat-sen University and Academia Sinica, No.70, Lianhai Road, Gushan District, Kaohsiung 80424, Taiwan.
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Song Y, Du ZW, Yang QW, Ren M, Wang QY, Wang A, Chen GY, Zhao HY, Yu T, Zhang GZ. Association of Genes Variants in RANKL/RANK/OPG Signaling Pathway with the Development of Osteonecrosis of the Femoral Head in Chinese Population. Int J Med Sci 2017; 14:690-697. [PMID: 28824302 PMCID: PMC5562121 DOI: 10.7150/ijms.19124] [Citation(s) in RCA: 15] [Impact Index Per Article: 2.1] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 01/09/2017] [Accepted: 04/21/2017] [Indexed: 12/22/2022] Open
Abstract
The RANKL/RANK/OPG pathway plays an important role in regulating bone remodeling and bone turnover. However, the association of the genes variants with the risk of ONFH has rarely been reported. Here, we analyzed the correlation of the 10 SNPs polymorphisms of RANKL, RANK, OPG, TRAF6, and NFATC1 genes with the risk and development of ONFH in 200 ONFH patients and 177 health controls of Chinese population with using Mass ARRAY® platform. The results showed that the recessive model of NFATC1rs9518 was significantly associated with increased ONFH risk (OR:8.223, P=0.048); the proportion of stage Ⅳ patients in the rs9518TC genotype carriers was statistically higher than that of stage Ⅲ patients (P=0.03); in the T-C haplotype carriers of Naftac1, the proportion of bilateral hips lesions was also significantly enhanced than that of unilateral hip lesions(P=0.05). In addition, the proportion of idiopathic ONFH in the TT genotype carriers of OPGrs2073617 was significantly higher than that of steroid or alcohol-induced ONFH, respectively, while in the TC genotype carriers of the SNP, the proportion of idiopathic ONFH remarkably decreased compared with that of Alcohol-induced ONFH, P=0.021. Our results were first found that NFATC1rs9518 closely associated with the risk and the development of ONFH, while OPGrs2073617 statistically correlated with the etiological classification of ONFH.
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Affiliation(s)
- Yang Song
- Department of Orthopedics of Second Clinical College, Jilin University, Changchun, 130041, China.,The Engineering Research Center of Molecular Diagnosis and Cell Treatment for Metabolic Bone Diseases of Jilin Province, Changchun, 130041, China
| | - Zhen-Wu Du
- Department of Orthopedics of Second Clinical College, Jilin University, Changchun, 130041, China.,Research Center of Second Clinical College, Jilin University, Changchun, 130041, China.,The Engineering Research Center of Molecular Diagnosis and Cell Treatment for Metabolic Bone Diseases of Jilin Province, Changchun, 130041, China
| | - Qi-Wei Yang
- Research Center of Second Clinical College, Jilin University, Changchun, 130041, China.,The Engineering Research Center of Molecular Diagnosis and Cell Treatment for Metabolic Bone Diseases of Jilin Province, Changchun, 130041, China
| | - Ming Ren
- Department of Orthopedics of Second Clinical College, Jilin University, Changchun, 130041, China.,Research Center of Second Clinical College, Jilin University, Changchun, 130041, China
| | - Qing-Yu Wang
- Research Center of Second Clinical College, Jilin University, Changchun, 130041, China.,The Engineering Research Center of Molecular Diagnosis and Cell Treatment for Metabolic Bone Diseases of Jilin Province, Changchun, 130041, China
| | - Ao Wang
- Department of Orthopedics of Second Clinical College, Jilin University, Changchun, 130041, China.,The Engineering Research Center of Molecular Diagnosis and Cell Treatment for Metabolic Bone Diseases of Jilin Province, Changchun, 130041, China
| | - Gao-Yang Chen
- Research Center of Second Clinical College, Jilin University, Changchun, 130041, China.,The Engineering Research Center of Molecular Diagnosis and Cell Treatment for Metabolic Bone Diseases of Jilin Province, Changchun, 130041, China
| | - Hai-Yue Zhao
- Research Center of Second Clinical College, Jilin University, Changchun, 130041, China.,The Engineering Research Center of Molecular Diagnosis and Cell Treatment for Metabolic Bone Diseases of Jilin Province, Changchun, 130041, China
| | - Tao Yu
- Department of Orthopedics of Second Clinical College, Jilin University, Changchun, 130041, China.,Research Center of Second Clinical College, Jilin University, Changchun, 130041, China
| | - Gui-Zhen Zhang
- Department of Orthopedics of Second Clinical College, Jilin University, Changchun, 130041, China.,Research Center of Second Clinical College, Jilin University, Changchun, 130041, China.,The Engineering Research Center of Molecular Diagnosis and Cell Treatment for Metabolic Bone Diseases of Jilin Province, Changchun, 130041, China
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25
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Scharmga A, Peters M, van Tubergen A, van den Bergh J, Barnabe C, Finzel S, van Rietbergen B, Geusens P. Heterogeneity of Cortical Breaks in Hand Joints of Patients with Rheumatoid Arthritis and Healthy Controls Imaged by High-resolution Peripheral Quantitative Computed Tomography. J Rheumatol 2016; 43:1914-1920. [DOI: 10.3899/jrheum.160646] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/16/2022]
Abstract
Objective.Conventional radiographs (CR) of the hands are the gold standard for imaging bone erosions. The presence of bone erosions, reflected by the presence of cortical breaks, is a poor prognostic factor in patients with rheumatoid arthritis (RA). The availability of high-resolution peripheral quantitative computed tomography (HR-pQCT) enables detailed investigation of cortical breaks in rheumatic diseases. The aim of this image review is to show HR-pQCT images of the spectrum of cortical breaks with and without underlying trabecular bone changes in metacarpophalangeal (MCP) joints of healthy controls (HC) and patients with RA, with corresponding images on CR and magnetic resonance imaging (MRI).Methods.Second and third MCP joints of 41 patients (of which 10 were early RA with ≤ 2 years and 24 longstanding RA with ≥ 10 years of disease duration) and 38 HC were imaged by CR, MRI, and HR-pQCT (XtremeCT1, Scanco Medical AG). Representative images of the spectrum of cortical breaks were selected.Results.Cortical breaks were found in early and longstanding RA, but also in HC. They were heterogeneous in size, location, and number per joint, with a variety of surrounding cortical and underlying trabecular bone characteristics.Conclusion.Using HR-pQCT images of MCP joints, heterogeneous cortical breaks with and without surrounding trabecular bone changes were found, not only in RA but also in HC. The underlying mechanisms and significance of this spectrum of cortical breaks as found with high 3-D resolution needs further investigation.
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Chen N, Gao RF, Yuan FL, Zhao MD. Recombinant Human Endostatin Suppresses Mouse Osteoclast Formation by Inhibiting the NF-κB and MAPKs Signaling Pathways. Front Pharmacol 2016; 7:145. [PMID: 27313530 PMCID: PMC4887464 DOI: 10.3389/fphar.2016.00145] [Citation(s) in RCA: 16] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/04/2016] [Accepted: 05/17/2016] [Indexed: 11/14/2022] Open
Abstract
Rheumatoid arthritis is an autoimmune disease characterized by synovial hyperplasia and progressive joint destruction. As reported previously, recombinant human endostatin (rhEndostatin) is associated with inhibition of joint bone destruction present in rat adjuvant-induced arthritis; however, the effect of rhEndostatin on bone destruction is not known. This study was designed to assess the inhibitory effect and mechanisms of rhEndostatin on formation and function of osteoclasts in vitro, and to gain insight into the mechanism underlying the inhibitory effect of bone destruction. Bone marrow-derived macrophages isolated from BALB/c mice were stimulated with receptor activator of NF-κB ligand (RANKL) and macrophage colony-stimulating factor to establish osteoclast formation. Osteoclast formation was determined by TRAP staining. Cell viability of BMMs affected by rhEndostatin was determined using a MTT assay. Bone resorption was examined with a bone resorption pits assay. The expression of osteoclast-specific markers was analyzed using quantitative real-time PCR. The related signaling pathways were examined using a Luciferase reporter assay and western blot analysis. Indeed, rhEndostatin showed a significant reduction in the number of osteoclast-like cells and early-stage bone resorption. Moreover, molecular analysis demonstrated that rhEndostatin attenuated RANKL-induced NF-κB signaling by inhibiting the phosphorylation of IκBα and NF-κB p65 nuclear translocation. Furthermore, rhEndostatin significantly inhibited the activation of RANKL-dependent mitogen-activated protein kinases, such as ERK1/2, JNK, and p38. Hence, we demonstrated for the first time that preventing the formation and function of osteoclasts is an important anti-bone destruction mechanism of rhEndostatin, which might be useful in the prevention and treatment of bone destruction in RA.
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Affiliation(s)
- Nong Chen
- Department of Orthopaedic Surgery, Zhongshan Hospital, Qingpu Branch, Fudan University Shanghai, China
| | - Ru-Feng Gao
- Department of Orthopaedic Surgery, Zhongshan Hospital, Qingpu Branch, Fudan University Shanghai, China
| | - Feng-Lai Yuan
- Department of Orthopaedics and Central Laboratory, The Third Hospital Affiliated to Nantong University Wuxi, China
| | - Ming-Dong Zhao
- Department of Orthopaedics, Jinshan Hospital, Fudan University Shanghai, China
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Lapérine O, Blin-Wakkach C, Guicheux J, Beck-Cormier S, Lesclous P. Dendritic-cell-derived osteoclasts: a new game changer in bone-resorption-associated diseases. Drug Discov Today 2016; 21:1345-1354. [PMID: 27151158 DOI: 10.1016/j.drudis.2016.04.022] [Citation(s) in RCA: 28] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/08/2016] [Revised: 03/24/2016] [Accepted: 04/26/2016] [Indexed: 12/23/2022]
Abstract
Bone-resorbing cells, osteoclasts (OCs), and antigen-presenting cells, dendritic cells (DCs), share several features. They are derived from a common hematopoietic precursor, exhibit phagocytic activities and their functions are dependent upon receptor activator of nuclear factor κB ligand (RANKL). Upon inflammatory conditions, DCs can transdifferentiate toward functional OCs in the presence of RANKL. It has then been assumed that the increase in proinflammatory cytokines could provide a supportive environment for this transdifferentiation. In this review, we emphasize the molecular mechanisms underlying the potential for DCs to give rise to resorbing OCs in the context of bone-destruction-associated diseases upon inflammatory conditions. Whether these mechanisms reveal new strategies for the discovery of therapeutic targets and drugs is discussed extensively.
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Affiliation(s)
- Olivier Lapérine
- INSERM, U791, LIOAD, Nantes F-44042, France; Université de Nantes, UMR-S 791, LIOAD, UFR Odontologie, Nantes F-44042, France; ONIRIS, UMR-S 791, LIOAD, Nantes F-44307, France
| | - Claudine Blin-Wakkach
- CNRS, UMR 7370, LP2M, Faculté de médecine, Nice, France; Université Nice Sophia Antipolis, Nice, France
| | - Jérôme Guicheux
- INSERM, U791, LIOAD, Nantes F-44042, France; Université de Nantes, UMR-S 791, LIOAD, UFR Odontologie, Nantes F-44042, France; ONIRIS, UMR-S 791, LIOAD, Nantes F-44307, France; CHU Nantes, PHU 4 OTONN, Nantes F-44042, France.
| | - Sarah Beck-Cormier
- INSERM, U791, LIOAD, Nantes F-44042, France; Université de Nantes, UMR-S 791, LIOAD, UFR Odontologie, Nantes F-44042, France; ONIRIS, UMR-S 791, LIOAD, Nantes F-44307, France
| | - Philippe Lesclous
- INSERM, U791, LIOAD, Nantes F-44042, France; Université de Nantes, UMR-S 791, LIOAD, UFR Odontologie, Nantes F-44042, France; ONIRIS, UMR-S 791, LIOAD, Nantes F-44307, France; CHU Nantes, PHU 4 OTONN, Nantes F-44042, France
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28
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Chao Wei C, Qi Ping D, Tian You F, Yong Qiang C, Tao C. Icariin Prevents Cartilage and Bone Degradation in Experimental Models of Arthritis. Mediators Inflamm 2016; 2016:9529630. [PMID: 27199510 PMCID: PMC4854995 DOI: 10.1155/2016/9529630] [Citation(s) in RCA: 12] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/25/2016] [Revised: 03/27/2016] [Accepted: 04/03/2016] [Indexed: 02/08/2023] Open
Abstract
BACKGROUND Icariin (ICA) is an active compound extracted from Epimedium brevicornum Maxim. Previous reports have shown that icariin has a clinically significant therapeutic effect on rheumatoid arthritis. However, little is known about the mechanism by which icariin inhibits cartilage and bone degradation. METHODS New Zealand rabbits were immunized with antigen-induced arthritis (AIA) and treated with icariin. Joint tissues from rabbits were studied by histological analysis, transmission electron microscopy (TEM), and micro-CT. The expression levels of receptor activator of nuclear factor-B ligand (RANKL) and osteoprotegerin (OPG) in joint tissues were determined using immunohistochemistry and real-time PCR analysis. RESULTS Histological analysis and TEM sections of cartilage in the ICA treated group showed a low level of chondrocyte destruction. Micro-CT analysis showed that the bone mineral density value and bone structural level in ICA treated rabbits were significantly higher compared with those in the AIA group. Immunohistochemistry and real-time PCR analysis showed that icariin treatment reduced RANKL expression and enhanced OPG expression levels, as compared to the AIA group. CONCLUSION These data indicate that ICA suppresses articular bone loss and prevents joint destruction. This study also determined that ICA regulated articular bone loss in part by regulating RANKL and OPG expression.
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Affiliation(s)
- Chen Chao Wei
- Department of Orthopaedics and Traumatology, Shanghai Municipal Hospital of Traditional Chinese Medicine, Shanghai University of TCM, Shanghai 200071, China
| | - Dai Qi Ping
- Department of Orthopaedics and Traumatology, Shanghai Municipal Hospital of Traditional Chinese Medicine, Shanghai University of TCM, Shanghai 200071, China
| | - Fan Tian You
- Department of Orthopaedics and Traumatology, Shanghai Municipal Hospital of Traditional Chinese Medicine, Shanghai University of TCM, Shanghai 200071, China
| | - Chen Yong Qiang
- Department of Orthopaedics and Traumatology, Shanghai Municipal Hospital of Traditional Chinese Medicine, Shanghai University of TCM, Shanghai 200071, China
| | - Che Tao
- Department of Orthopaedics and Traumatology, Shanghai Municipal Hospital of Traditional Chinese Medicine, Shanghai University of TCM, Shanghai 200071, China
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29
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The impact of serial radon and hyperthermia exposure in a therapeutic adit on pivotal cytokines of bone metabolism in rheumatoid arthritis and osteoarthritis. Clin Rheumatol 2016; 35:2783-2788. [DOI: 10.1007/s10067-016-3236-7] [Citation(s) in RCA: 17] [Impact Index Per Article: 2.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/11/2016] [Revised: 03/09/2016] [Accepted: 03/14/2016] [Indexed: 10/22/2022]
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González-Suárez E, Sanz-Moreno A. RANK as a therapeutic target in cancer. FEBS J 2016; 283:2018-33. [PMID: 26749530 DOI: 10.1111/febs.13645] [Citation(s) in RCA: 44] [Impact Index Per Article: 5.5] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/04/2015] [Revised: 12/10/2015] [Accepted: 01/06/2016] [Indexed: 01/27/2023]
Abstract
The RANK signaling pathway has emerged as a new target in breast cancer as receptor activator of nuclear factor κB ligand (RANKL) and its receptor RANK mediate the pro-tumorigenic role of progesterone in the mammary gland. Thousands of cancer patients worldwide are already taking RANKL inhibitors for the management of bone metastasis, given the relevance of this pathway in osteoclastogenesis and bone resorption. RANK signaling also has multiple divergent effects in immunity and inflammation, both in the generation of active immune responses and in the induction of tolerance: it is required for lymph node organogenesis, thymic medullary epithelial development and self-tolerance, and regulates activation of several immune cells and inflammatory processes. The RANK pathway interferes with mammary epithelial differentiation and mediates the major proliferative response of mammary epithelium to progesterone and progesterone-driven expansion of mammary stem cells; it also controls hair follicle and epidermal stem cell homeostasis, pointing to RANK as a key regulator of epithelial stemness. Here we revisit the main functions of RANK signaling in bone remodeling, immune cells and epithelial differentiation. We also discuss the mechanistic evidence that supports its pleiotropic effects on cancer: from bone metastasis to immune and cancer-cell-dependent effects.
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Affiliation(s)
- Eva González-Suárez
- Cancer Epigenetics and Biology Program, Bellvitge Biomedical Research Institute, IDIBELL, Barcelona, Spain
| | - Adrián Sanz-Moreno
- Cancer Epigenetics and Biology Program, Bellvitge Biomedical Research Institute, IDIBELL, Barcelona, Spain
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Favero M, Giusti A, Geusens P, Goldring SR, Lems W, Schett G, Bianchi G. OsteoRheumatology: a new discipline? RMD Open 2015; 1:e000083. [PMID: 26557384 PMCID: PMC4632147 DOI: 10.1136/rmdopen-2015-000083] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/18/2015] [Revised: 04/28/2015] [Accepted: 05/01/2015] [Indexed: 12/20/2022] Open
Abstract
This review summarises recent evidence about the interaction between bone, the immune system and cartilage in disabling conditions such as osteoarthritis, rheumatoid arthritis and spondyloarthritis. These topics have been recently discussed at the ‘OsteoRheumatology’ conference held in Genoa in October 2014. The meeting, at its 10th edition, has been conceived to bring together distinguished international experts in the fields of rheumatic and metabolic bone diseases with the aim of discussing emerging knowledge regarding the role of the bone tissue in rheumatic diseases. Moreover, this review focuses on new treatments based on underlying the pathophysiological processes in rheumatic diseases. Although, a number of issues still remain to be clarified, it seems quite clear that in clinical practice, as well as in basic and translational research, there is a need for more knowledge of the interactions between the cartilage, the immune system and the bone. In this context, ‘OsteoRheumatology’ represents a potential new discipline providing a greater insight into this interplay, in order to face the multifactorial and complex issues underlying common and disabling rheumatic diseases.
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Affiliation(s)
- Marta Favero
- Rheumatology Unit, Department of Medicine-DIMED , University Hospital of Padova , Padova , Italy ; Laboratory of Immunorheumatology and Tissue Regeneration/RAMSES , Rizzoli Orthopedic Research Institute , Bologna , Italy
| | - Andrea Giusti
- Bone Clinic, Department of Gerontology and Musculoskeletal Sciences , Galliera Hospital , Genoa , Italy
| | - Piet Geusens
- Department of Internal Medicine, Subdivision of Rheumatology , CAPHRI/NUTRIM, Maastricht University Medical Centre , Maastricht , The Netherlands & UHasselt, Belgium
| | - Steven R Goldring
- Hospital for Special Surgery and Weill Cornell Medical College , New York, New York , USA
| | - Willem Lems
- Department of Rheumatology , VU Medical Centre , Amsterdam , The Netherlands
| | - Georg Schett
- Department of Internal Medicine 3 , University of Erlangen-Nuremberg , Erlangen , Germany
| | - Gerolamo Bianchi
- Department of Locomotor System, Division of Rheumatology , ASL3 Genovese , Genoa , Italy
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Baddack U, Frahm S, Antolin-Fontes B, Grobe J, Lipp M, Müller G, Ibañez-Tallon I. Suppression of Peripheral Pain by Blockade of Voltage-Gated Calcium 2.2 Channels in Nociceptors Induces RANKL and Impairs Recovery From Inflammatory Arthritis in a Mouse Model. Arthritis Rheumatol 2015; 67:1657-67. [PMID: 25733371 DOI: 10.1002/art.39094] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/18/2014] [Accepted: 02/24/2015] [Indexed: 12/16/2022]
Abstract
OBJECTIVE A hallmark of rheumatoid arthritis (RA) is the chronic pain that accompanies inflammation and joint deformation. Patients with RA rate pain relief as the highest priority; however, few studies have addressed the efficacy and safety of therapies directed specifically toward pain pathways. The ω-conotoxin MVIIA (ziconotide) is used in humans to alleviate persistent pain syndromes, because it specifically blocks the voltage-gated calcium 2.2 (CaV 2.2) channel, which mediates the release of neurotransmitters and proinflammatory mediators from peripheral nociceptor nerve terminals. The aims of this study were to investigate whether blockade of CaV 2.2 can suppress arthritis pain, and to examine the progression of induced arthritis during persistent CaV 2.2 blockade. METHODS Transgenic mice expressing a membrane-tethered form of MVIIA under the control of a nociceptor-specific gene (MVIIA-transgenic mice) were used in the experiments. The mice were subjected to unilateral induction of joint inflammation using a combination of antigen and collagen. RESULTS CaV 2.2 blockade mediated by tethered MVIIA effectively suppressed arthritis-induced pain; however, in contrast to their wild-type littermates, which ultimately regained use of their injured joint as inflammation subsided, MVIIA-transgenic mice showed continued inflammation, with up-regulation of the osteoclast activator RANKL and concomitant joint and bone destruction. CONCLUSION Taken together, our results indicate that alleviation of peripheral pain by blockade of CaV 2.2- mediated calcium influx and signaling in nociceptor sensory neurons impairs recovery from induced arthritis and point to the potentially devastating effects of using CaV 2.2 channel blockers as analgesics during inflammation.
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Affiliation(s)
- Uta Baddack
- Max Delbrück Centre for Molecular Medicine, Berlin, Germany, and Centre National de la Recherche Scientifique, Toulouse, France
| | - Silke Frahm
- Charité-Universitätsmedizin, Berlin, Germany
| | | | - Jenny Grobe
- Max Delbrück Centre for Molecular Medicine, Berlin, Germany
| | - Martin Lipp
- Max Delbrück Centre for Molecular Medicine, Berlin, Germany
| | - Gerd Müller
- Max Delbrück Centre for Molecular Medicine, Berlin, Germany
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Wei ZF, Lv Q, Xia Y, Yue MF, Shi C, Xia YF, Chou GX, Wang ZT, Dai Y. Norisoboldine, an Anti-Arthritis Alkaloid Isolated from Radix Linderae, Attenuates Osteoclast Differentiation and Inflammatory Bone Erosion in an Aryl Hydrocarbon Receptor-Dependent Manner. Int J Biol Sci 2015; 11:1113-26. [PMID: 26221077 PMCID: PMC4515821 DOI: 10.7150/ijbs.12152] [Citation(s) in RCA: 26] [Impact Index Per Article: 2.9] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/16/2015] [Accepted: 06/12/2015] [Indexed: 12/31/2022] Open
Abstract
Norisoboldine (NOR), the primary isoquinoline alkaloid constituent of the root of Lindera aggregata, has previously been demonstrated to attenuate osteoclast (OC) differentiation. Accumulative evidence has shown that aryl hydrocarbon receptor (AhR) plays an important role in regulating the differentiation of various cells, and multiple isoquinoline alkaloids can modulate AhR. In the present study, we explored the role of NOR in the AhR signaling pathway. These data showed that the combination of AhR antagonist resveratrol (Res) or α-naphthoflavone (α-NF) nearly reversed the inhibition of OC differentiation through NOR. NOR could stably bind to AhR, up-regulate the nuclear translocation of AhR, and enhance the accumulation of the AhR-ARNT complex, AhR-mediated reporter gene activity and CYP1A1 expression in RAW 264.7 cells, suggesting that NOR might be an agonist of AhR. Moreover, NOR inhibited the nuclear translocation of NF-κB-p65, resulting in the evident accumulation of the AhR-NF-κB-p65 complex, which could be markedly inhibited through either Res or α-NF. Although NOR only slightly affected the expression of HIF-1α, NOR markedly reduced VEGF mRNA expression and ARNT-HIF-1α complex accumulation. In vivo studies indicated that NOR decreased the number of OCs and ameliorated the bone erosion in the joints of rats with collagen-induced arthritis, accompanied by the up-regulation of CYP1A1 and the down-regulation of VEGF mRNA expression in the synovium of rats. A combination of α-NF nearly completely reversed the effects of NOR. In conclusion, NOR attenuated OC differentiation and bone erosion through the activation of AhR and the subsequent inhibition of both NF-κB and HIF pathways.
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Affiliation(s)
- Zhi-feng Wei
- 1. State Key Laboratory of Natural Medicine, Jiangsu Key Laboratory of Drug Discovery for Metabolic Diseases, Department of Pharmacology of Chinese Materia Medica, China Pharmaceutical University, 24 Tong Jia Xiang, Nanjing 210009, China
| | - Qi Lv
- 1. State Key Laboratory of Natural Medicine, Jiangsu Key Laboratory of Drug Discovery for Metabolic Diseases, Department of Pharmacology of Chinese Materia Medica, China Pharmaceutical University, 24 Tong Jia Xiang, Nanjing 210009, China
| | - Ying Xia
- 1. State Key Laboratory of Natural Medicine, Jiangsu Key Laboratory of Drug Discovery for Metabolic Diseases, Department of Pharmacology of Chinese Materia Medica, China Pharmaceutical University, 24 Tong Jia Xiang, Nanjing 210009, China
| | - Meng-fan Yue
- 1. State Key Laboratory of Natural Medicine, Jiangsu Key Laboratory of Drug Discovery for Metabolic Diseases, Department of Pharmacology of Chinese Materia Medica, China Pharmaceutical University, 24 Tong Jia Xiang, Nanjing 210009, China
| | - Can Shi
- 1. State Key Laboratory of Natural Medicine, Jiangsu Key Laboratory of Drug Discovery for Metabolic Diseases, Department of Pharmacology of Chinese Materia Medica, China Pharmaceutical University, 24 Tong Jia Xiang, Nanjing 210009, China
| | - Yu-feng Xia
- 1. State Key Laboratory of Natural Medicine, Jiangsu Key Laboratory of Drug Discovery for Metabolic Diseases, Department of Pharmacology of Chinese Materia Medica, China Pharmaceutical University, 24 Tong Jia Xiang, Nanjing 210009, China
| | - Gui-xin Chou
- 2. Institute of Chinese Materia Medica, Shanghai University of Traditional Chinese Medicine, Shanghai 201203, China
| | - Zheng-tao Wang
- 2. Institute of Chinese Materia Medica, Shanghai University of Traditional Chinese Medicine, Shanghai 201203, China
| | - Yue Dai
- 1. State Key Laboratory of Natural Medicine, Jiangsu Key Laboratory of Drug Discovery for Metabolic Diseases, Department of Pharmacology of Chinese Materia Medica, China Pharmaceutical University, 24 Tong Jia Xiang, Nanjing 210009, China
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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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35
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Liu W, Zhang X. Receptor activator of nuclear factor-κB ligand (RANKL)/RANK/osteoprotegerin system in bone and other tissues (review). Mol Med Rep 2015; 11:3212-8. [PMID: 25572286 DOI: 10.3892/mmr.2015.3152] [Citation(s) in RCA: 134] [Impact Index Per Article: 14.9] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/20/2014] [Accepted: 12/03/2014] [Indexed: 11/05/2022] Open
Abstract
The receptor activator of nuclear factor‑κB ligand (RANKL)/RANK/osteoprotegerin (OPG) system was identified in the late 1990s, ending the search for the specific factors expressed by osteoblasts and stromal cells in order to regulate osteoclastogenesis. The identification of the RANKL/RANK/OPG system was a breakthrough in bone biology; however, the system not only works as a dominant mediator in osteoclast activation, formation and survival, but also functions in other tissues, including the mammary glands, brain and lymph nodes. Evidence has indicated that the existence of the RANKL/RANK/OPG system in these tissues suggests that it may have specific functions beyond those in bone. Disorders of the RANKL/RANK/OPG system are associated with certain human diseases, including postmenopausal osteoporosis, rheumatoid arthritis (RA), bone tumors and certain bone metastatic tumors. Genetic studies have indicated that the RANKL/RANK/OPG system may be a key regulator in the formation of lymph nodes and in the autoimmune disease RA, which further suggests that the immune system may interact with the RANKL/RANK/OPG system. The present review aimed to provide an overview of the role of the RANKL/RANK/OPG system in osteoclastogenesis, bone disease and tissues beyond bone.
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Affiliation(s)
- Wei Liu
- Department of Orthopaedic Surgery, Shanghai Jiao Tong University Affiliated Sixth People's Hospital, Shanghai 200233, P.R. China
| | - Xianlong Zhang
- Department of Orthopaedic Surgery, Shanghai Jiao Tong University Affiliated Sixth People's Hospital, Shanghai 200233, P.R. China
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Arthritogenic alphaviruses: new insights into arthritis and bone pathology. Trends Microbiol 2014; 23:35-43. [PMID: 25449049 DOI: 10.1016/j.tim.2014.09.005] [Citation(s) in RCA: 47] [Impact Index Per Article: 4.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/10/2014] [Revised: 09/18/2014] [Accepted: 09/19/2014] [Indexed: 01/01/2023]
Abstract
Arthritogenic alphaviral infection begins as a febrile illness and often progresses to joint pain and rheumatic symptoms that are described as polyarthritis. Alphaviral arthritis and classical arthritides share many similar cellular and immune mediators involved in their pathogenesis. Recent in vitro and in vivo evidence suggests that bone loss resulting from increased expression of bone resorption mediators may accompany alphaviral infection. In addition, several longitudinal studies have reported more severe and delayed recovery of alphaviral disease in patients with pre-existing arthritic conditions. This review aims to provide insights into alphavirus-induced bone loss and focuses on aspects of disease exacerbation in patients with underlying arthritis and on possible therapeutic targets.
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Bindarit, an inhibitor of monocyte chemotactic protein synthesis, protects against bone loss induced by chikungunya virus infection. J Virol 2014; 89:581-93. [PMID: 25339772 DOI: 10.1128/jvi.02034-14] [Citation(s) in RCA: 84] [Impact Index Per Article: 8.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/13/2022] Open
Abstract
UNLABELLED The recent global resurgence of arthritogenic alphaviruses, in particular chikungunya virus (CHIKV), highlights an urgent need for the development of therapeutic intervention strategies. While there has been significant progress in defining the pathophysiology of alphaviral disease, relatively little is known about the mechanisms involved in CHIKV-induced arthritis or potential therapeutic options to treat the severe arthritic symptoms associated with infection. Here, we used microcomputed tomographic (μCT) and histomorphometric analyses to provide previously undescribed evidence of reduced bone volume in the proximal tibial epiphysis of CHIKV-infected mice compared to the results for mock controls. This was associated with a significant increase in the receptor activator of nuclear factor-κB ligand/osteoprotegerin (RANKL/OPG) ratio in infected murine joints and in the serum of CHIKV patients. The expression levels of the monocyte chemoattractant proteins (MCPs), including MCP-1/CCL2, MCP-2/CCL8, and MCP-3/CCL7, were also highly elevated in joints of CHIKV-infected mice, accompanied by increased cellularity within the bone marrow in tibial epiphysis and ankle joints. Both this effect and CHIKV-induced bone loss were significantly reduced by treatment with the MCP inhibitor bindarit. Collectively, these findings demonstrate a unique role for MCPs in promoting CHIKV-induced osteoclastogenesis and bone loss during disease and suggest that inhibition of MCPs with bindarit may be an effective therapy for patients affected with alphavirus-induced bone loss. IMPORTANCE Arthritogenic alphaviruses, including chikungunya virus (CHIKV) and Ross River virus (RRV), cause worldwide outbreaks of polyarthritis, which can persist in patients for months following infection. Previous studies have shown that host proinflammatory soluble factors are associated with CHIKV disease severity. Furthermore, it is established that chemokine (C-C motif) ligand 2 (CCL2/MCP-1) is important in cellular recruitment and inducing bone-resorbing osteoclast (OC) formation. Here, we show that CHIKV replicates in bone and triggers bone loss by increasing the RANKL/OPG ratio. CHIKV infection results in MCP-induced cellular infiltration in the inflamed joints, and bone loss can be ameliorated by treatment with an MCP-inhibiting drug, bindarit. Taken together, our data reveal a previously undescribed role for MCPs in CHIKV-induced bone loss: one of recruiting monocytes/OC precursors to joint sites and thereby favoring a pro-osteoclastic microenvironment. This suggests that bindarit may be an effective treatment for alphavirus-induced bone loss and arthritis in humans.
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Engelmann R, Wang N, Kneitz C, Müller-Hilke B. Bone resorption correlates with the frequency of CD5⁺ B cells in the blood of patients with rheumatoid arthritis. Rheumatology (Oxford) 2014; 54:545-53. [PMID: 25193807 DOI: 10.1093/rheumatology/keu351] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/07/2023] Open
Abstract
OBJECTIVE The prevention of bone resorption and subsequent joint destruction is one of the main challenges in the treatment of patients suffering from RA. Various mechanisms have previously been described that contribute to bone resorption in tightly defined cohorts. Here we analysed a cross-sectional cohort of RA patients and searched for humoral and cellular markers in the peripheral blood associated with bone resorption. METHODS We enrolled 61 consecutive RA patients positive for ACPA. Blood was analysed by flow cytometry to determine the percentages of regulatory T cells and B cell subpopulations. Cytokine (TNF-α, IL-6, IL-10) and ACPA levels as well as the bone resorption marker CTX-1 were determined from the patients' sera. Standard clinical disease parameters were included. RESULTS Multivariate analyses showed that the percentages of CD5(+) B cells were positively correlated with CTX-1 serum levels. However, neither low-avidity ACPA nor serum IL-6 levels, both known to be produced by CD5(+) cells, were associated with CTX-1 in patients' sera. There was no correlation between CTX-1 levels and clinical parameters or ACPA levels. CONCLUSION In summary, we found that the CD5(+) B cell population is associated with bone resorption as measured via serum CTX-1 levels in a cross-sectional cohort of RA patients. However, a possible functional link between CD5(+) B cells and bone resorption still needs to be defined.
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Affiliation(s)
- Robby Engelmann
- Institute of Immunology, Rostock University Medical Center, Rostock, Germany, Institute of Blood Research, Dalian Blood Center, Liaoning Province, China and Klinik für Innere Medizin II, Klinikum Südstadt Rostock, Rostock, Germany.
| | - Ni Wang
- Institute of Immunology, Rostock University Medical Center, Rostock, Germany, Institute of Blood Research, Dalian Blood Center, Liaoning Province, China and Klinik für Innere Medizin II, Klinikum Südstadt Rostock, Rostock, Germany. Institute of Immunology, Rostock University Medical Center, Rostock, Germany, Institute of Blood Research, Dalian Blood Center, Liaoning Province, China and Klinik für Innere Medizin II, Klinikum Südstadt Rostock, Rostock, Germany
| | - Christian Kneitz
- Institute of Immunology, Rostock University Medical Center, Rostock, Germany, Institute of Blood Research, Dalian Blood Center, Liaoning Province, China and Klinik für Innere Medizin II, Klinikum Südstadt Rostock, Rostock, Germany
| | - Brigitte Müller-Hilke
- Institute of Immunology, Rostock University Medical Center, Rostock, Germany, Institute of Blood Research, Dalian Blood Center, Liaoning Province, China and Klinik für Innere Medizin II, Klinikum Südstadt Rostock, Rostock, Germany
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Dave RK, Naylor AJ, Young SP, Bayley R, Hardie DL, Haworth O, Rider DA, Cook AD, Buckley CD, Kellie S. Differential expression of CD148 on leukocyte subsets in inflammatory arthritis. Arthritis Res Ther 2014; 15:R108. [PMID: 24016860 PMCID: PMC3978474 DOI: 10.1186/ar4288] [Citation(s) in RCA: 8] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/15/2013] [Revised: 05/22/2013] [Accepted: 09/09/2013] [Indexed: 12/21/2022] Open
Abstract
Introduction Monocytic cells play a central role in the aetiology of rheumatoid arthritis, and manipulation of the activation of these cells is an approach currently under investigation to discover new therapies for this and associated diseases. CD148 is a transmembrane tyrosine phosphatase that is highly expressed in monocytes and macrophages and, since this family of molecules plays an important role in the regulation of cell activity, CD148 is a potential target for the manipulation of macrophage activation. For any molecule to be considered a therapeutic target, it is important for it to be increased in activity or expression during disease. Methods We have investigated the expression of CD148 in two murine models of arthritis and in joints from rheumatoid arthritis (RA) patients using real-time PCR, immunohistochemistry, and studied the effects of proinflammatory stimuli on CD148 activity using biochemical assays. Results We report that CD148 mRNA is upregulated in diseased joints of mice with collagen-induced arthritis. Furthermore, we report that in mice CD148 protein is highly expressed in infiltrating monocytes of diseased joints, with a small fraction of T cells also expressing CD148. In human arthritic joints both T cells and monocytes expressed high levels of CD148, however, we show differential expression of CD148 in T cells and monocytes from normal human peripheral blood compared to peripheral blood from RA and both normal and RA synovial fluid. Finally, we show that synovial fluid from rheumatoid arthritis patients suppresses CD148 phosphatase activity. Conclusions CD148 is upregulated in macrophages and T cells in human RA samples, and its activity is enhanced by treatment with tumour necrosis factor alpha (TNFα), and reduced by synovial fluid or oxidising conditions. A greater understanding of the role of CD148 in chronic inflammation may lead to alternative therapeutic approaches to these diseases.
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Le Goff B, Singbrant S, Tonkin BA, Martin TJ, Romas E, Sims NA, Walsh NC. Oncostatin M acting via OSMR, augments the actions of IL-1 and TNF in synovial fibroblasts. Cytokine 2014; 68:101-9. [DOI: 10.1016/j.cyto.2014.04.001] [Citation(s) in RCA: 25] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/04/2013] [Revised: 02/02/2014] [Accepted: 04/01/2014] [Indexed: 10/25/2022]
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Local gene transfer of OPG prevents joint damage and disease progression in collagen-induced arthritis. ScientificWorldJournal 2013; 2013:718061. [PMID: 24222748 PMCID: PMC3814078 DOI: 10.1155/2013/718061] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/05/2013] [Accepted: 09/04/2013] [Indexed: 11/17/2022] Open
Abstract
This study examined the influence of osteoprotegerin (OPG) gene transfer on a murine collagen-induced arthritis model. A single periarticular injection of AAV-OPG or AAV-LacZ on the arthritic paw successfully incorporated the exogenous gene to the local tissue and resulted in marked transgene expression in the joint homogenate for at least three weeks. Clinical disease scores were significantly improved in OPG treated mice starting at 28-day post-treatment (P < 0.05). Histological assessment demonstrated that OPG gene transfer dramatically protected mice from erosive joint changes compared with LacZ controls (P < 0.05), although treatment appeared less effective on the local inflammatory progress. MicroCT data suggested significant protection against subchondral bone mineral density changes in OPG treated CIA mice. Interestingly, mRNA expressions of IFN-g and MMP3 were noticeably diminished following OPG gene transfer. Overall, gene transfer of OPG effectively inhibited the arthritis-associated periarticular bone erosion and preserved the architecture of arthritic joints, and the study provides evidence that the cartilage protection of the OPG gene therapy may be associated with the down-regulation of MMP3 expression.
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Neve A, Corrado A, Cantatore FP. Immunomodulatory effects of vitamin D in peripheral blood monocyte-derived macrophages from patients with rheumatoid arthritis. Clin Exp Med 2013; 14:275-83. [PMID: 23824148 DOI: 10.1007/s10238-013-0249-2] [Citation(s) in RCA: 66] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/28/2012] [Accepted: 06/24/2013] [Indexed: 12/18/2022]
Abstract
1,25-Dihydroxyvitamin D (1,25(OH)2D3), the active form of vitamin D, modulates both innate and adaptive immune responses. Emerging epidemiological data has also demonstrated disease-modifying and immunomodulatory effects of vitamin D in a wide range of human autoimmune diseases, including rheumatoid arthritis (RA). To evaluate in vitro effects of 1,25(OH) 2D3 in primary cultures of peripheral blood monocyte-derived macrophages of RA patients, monocyte/macrophages, isolated from peripheral blood mononuclear cells of RA patients and healthy subjects by exploiting their ability to adhere to plastic, were treated with increasing concentrations of 1,25(OH)2D3 for 48 h. TNF-α, IL-1 α, IL-1β, IL-6 and RANKL production was determined by ELISA and nitric oxide (NO) release using the Griess method. Immunocytochemistry analysis was also performed to evaluate alterations in transmembrane TNF-α expression after 1,25(OH) 2D3 treatment. A significant dose-dependent decrease in TNF-α and RANKL production by cultured RA macrophages after 1,25(OH)2D3 treatment was found, whereas a significant reduction in normal cells was observed only at higher concentrations. IL-1 α, IL-1β and IL-6 levels were reduced by 1,25(OH) 2D3 at higher concentrations in all cell populations. TNF-α immunostaining was less intense in treated cells compared with untreated. 1,25(OH) 2D3 significantly reduced NO levels regardless of the concentration used. Vitamin D downregulated proinflammatory mediators in monocyte-derived macrophages, and RA cells appeared more sensitive than normal cells. These effects further provide a rationale for the therapeutic value of vitamin D supplementation in the treatment for RA.
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Affiliation(s)
- Anna Neve
- Rheumatology Clinic, Department of Medical and Surgical Sciences, University of Foggia, Ospedale "Col. D'Avanzo", V.le degli Aviatori 1, 71100, Foggia, Italy
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Dave RK, Dinger ME, Andrew M, Askarian-Amiri M, Hume DA, Kellie S. Regulated expression of PTPRJ/CD148 and an antisense long noncoding RNA in macrophages by proinflammatory stimuli. PLoS One 2013; 8:e68306. [PMID: 23840844 PMCID: PMC3695918 DOI: 10.1371/journal.pone.0068306] [Citation(s) in RCA: 33] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/25/2013] [Accepted: 05/28/2013] [Indexed: 12/28/2022] Open
Abstract
PTPRJ/CD148 is a tyrosine phosphatase that has tumour suppressor-like activity. Quantitative PCR of various cells and tissues revealed that it is preferentially expressed in macrophage-enriched tissues. Within lymphoid tissues immunohistochemistry revealed that PTPRJ/CD148 co-localised with F4/80, indicating that macrophages most strongly express the protein. Macrophages express the highest basal level of ptprj, and this is elevated further by treatment with LPS and other Toll-like receptor ligands. In contrast, CSF-1 treatment reduced basal and stimulated Ptprj expression in human and mouse cells, and interferon also repressed Ptprj expression. We identified a 1006 nucleotide long noncoding RNA species, Ptprj-as1 that is transcribed antisense to Ptprj. Ptprj-as1 was highly expressed in macrophage-enriched tissue and was transiently induced by Toll-like receptor ligands with a similar time course to Ptprj. Finally, putative transcription factor binding sites in the promoter region of Ptprj were identified.
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Affiliation(s)
- Richa K. Dave
- The University of Queensland, Institute for Molecular Bioscience, Brisbane, Australia
- The University of Queensland, Cooperative Research Centre for Chronic Inflammatory Diseases (CRC-CID), Brisbane, Australia
- The University of Queensland, Australian Infectious Diseases Research Centre, School of Chemistry and Molecular Biosciences, Australia
| | - Marcel E. Dinger
- The University of Queensland Diamantina Institute, Brisbane, Australia
- Garvan Institute of Medical Research, Darlinghurst, Australia
| | - Megan Andrew
- The University of Queensland, Australian Infectious Diseases Research Centre, School of Chemistry and Molecular Biosciences, Australia
| | - Marjan Askarian-Amiri
- The University of Queensland, Institute for Molecular Bioscience, Brisbane, Australia
| | - David A. Hume
- The University of Queensland, Institute for Molecular Bioscience, Brisbane, Australia
- The University of Queensland, Cooperative Research Centre for Chronic Inflammatory Diseases (CRC-CID), Brisbane, Australia
- The Roslin Institute, University of Edinburgh, Roslin, Scotland, United Kingdom
| | - Stuart Kellie
- The University of Queensland, Institute for Molecular Bioscience, Brisbane, Australia
- The University of Queensland, Cooperative Research Centre for Chronic Inflammatory Diseases (CRC-CID), Brisbane, Australia
- The University of Queensland, Australian Infectious Diseases Research Centre, School of Chemistry and Molecular Biosciences, Australia
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Norisoboldine suppresses osteoclast differentiation through preventing the accumulation of TRAF6-TAK1 complexes and activation of MAPKs/NF-κB/c-Fos/NFATc1 Pathways. PLoS One 2013; 8:e59171. [PMID: 23536866 PMCID: PMC3594163 DOI: 10.1371/journal.pone.0059171] [Citation(s) in RCA: 45] [Impact Index Per Article: 4.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/17/2012] [Accepted: 02/12/2013] [Indexed: 11/19/2022] Open
Abstract
Norisoboldine (NOR) is the main alkaloid constituent in the dry root of Lindera aggregata (Sims) Kosterm. (L. strychnifolia Vill.). As reported previously, orally administered NOR displayed a robust inhibition of joint bone destruction present in both mouse collagen-induced arthritis and rat adjuvant-induced arthritis with lower efficacious doses than that required for ameliorating systemic inflammation. This attracted us to assess the effects of NOR on differentiation and function of osteoclasts, primary effector cells for inflammatory bone destruction, to get insight into its anti-rheumatoid arthritis mechanisms. Both RAW264.7 cells and mouse bone marrow-derived macrophages (BMMs) were stimulated with RANKL (100 ng/mL) to establish osteoclast differentiation models. ELISA, RT-PCR, gelatin zymography, western blotting, immunoprecipitation and EMSA were used to reveal related signalling pathways. NOR (10 and 30 µM), without significant cytotoxicity, showed significant reduction of the number of osteoclasts and the resorption pit areas, and it targeted osteoclast differentiation at the early stage. In conjunction with the anti-resorption effect of NOR, mRNA levels of cathepsin K and MMP-9 were decreased, and the activity of MMP-9 was attenuated. Furthermore, our mechanistic studies indicated that NOR obviously suppressed the ubiquitination of TRAF6, the accumulation of TRAF6-TAK1 complexes and the activation of ERK and p38 MAPK, and reduced the nuclear translocation of NF-κB-p65 and DNA-binding activity of NF-κB. However, NOR had little effect on expressions of TRAF6 or the phosphorylation and degradation of IκBα. Moreover, NOR markedly inhibited expressions of transcription factor NFATc1, but not c-Fos. Intriguingly, the subsequent nuclear translocations of c-Fos and NFATc1 were substantially down-regulated. Hence, we demonstrated for the first time that preventing the differentiation and function of osteoclasts at the early stage was an important anti-bone destruction mechanism of NOR, which might be attributed to inhibition of ubiquitination of TRAF6, the accumulation of TRAF6-TAK1 complexes and the activation of MAPKs/NF-κB/c-Fos/NFATc1 pathways.
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Wei ZF, Jiao XL, Wang T, Lu Q, Xia YF, Wang ZT, Guo QL, Chou GX, Dai Y. Norisoboldine alleviates joint destruction in rats with adjuvant-induced arthritis by reducing RANKL, IL-6, PGE(2), and MMP-13 expression. Acta Pharmacol Sin 2013; 34:403-13. [PMID: 23396374 DOI: 10.1038/aps.2012.187] [Citation(s) in RCA: 33] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/14/2022] Open
Abstract
AIM To explore the effects of norisoboldine (NOR), a major isoquinoline alkaloid in Radix Linderae, on joint destruction in rats with adjuvant-induced arthritis (AIA) and its underlying mechanisms. METHODS AIA was induced in adult male SD rats by intradermal injection of Mycobacterium butyricum in Freund's complete adjuvant at the base of the right hind paw and tail. From d 14 after immunization, the rats were orally given NOR (7.5, 15, or 30 mg/kg) or dexamethasone (0.5 mg/kg) daily for 10 consecutive days. Joint destruction was evaluated with radiological scanning and H&E staining. Fibroblast-like synoviocytes (FLS) were prepared from fresh synovial tissues in the AIA rats. The expression of related proteins and mRNAs were detected by ELISA, Western blotting and RT-PCR. RESULTS In AIA rats, NOR (15 and 30 mg/kg) significantly decreased the swelling of paws and arthritis index scores, and elevated the mean body weight. NOR (30 mg/kg) prevented both the infiltration of inflammatory cells and destruction of bone and cartilage in joints. However, NOR (15 mg/kg) only suppressed the destruction of bone and cartilage, but did not obviously ameliorate synovial inflammation. NOR (15 and 30 mg/kg) significantly decreased the serum levels of receptor activator of nuclear factor κB ligand (RANKL), IL-6, PGE2, and MMP-13, but not the osteoprotegerin and MMP-1 levels. The mRNA levels of RANKL, IL-6, COX-2, and MMP-13 in synovium were also suppressed. Dexamethasone produced similar effects in AIA rats as NOR did, but without elevating the mean body weight. In the cultured FLS, treatment with NOR (10 and 30 mmol/L) significantly decreased the secretion of RANKL, IL-6, PGE2, and MMP-13 proteins. Furthermore, the treatment selectively prevented the activation of MAPKs, AKT and transcription factor AP-1 component c-Jun, but not the recruitment of TRAF6 or the activation of JAK2/STAT3. Treatment of the cultured FLS with the specific inhibitors of p38, ERK, AKT, and AP-1 significantly decreased the secretion of RANKL, IL-6, PGE2, and MMP-13 proteins. CONCLUSION NOR can alleviate joint destruction in AIA rats by reducing RANKL, IL-6, PGE2, and MMP-13 expression via the p38/ERK/AKT/AP-1 pathway.
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Park JS, Jung YO, Oh HJ, Park SJ, Heo YJ, Kang CM, Kwok SK, Ju JH, Park KS, Cho ML, Sung YC, Park SH, Kim HY. Interleukin-27 suppresses osteoclastogenesis via induction of interferon-γ. Immunology 2013; 137:326-35. [PMID: 22812379 DOI: 10.1111/j.1365-2567.2012.03622.x] [Citation(s) in RCA: 26] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/27/2012] [Revised: 06/04/2012] [Accepted: 07/03/2012] [Indexed: 11/29/2022] Open
Abstract
Interleukin (IL)-27 is a heterodimeric cytokine that is known to have both stimulatory and inhibitory functions during immune responses. We investigated the effects of IL-27 on arthritis and bone erosion in the murine collagen-induced arthritis (CIA) model. We demonstrate that the inhibitory effect of IL-27 on osteoclastogenesis is associated with interferon-γ (IFN-γ) production by using an IFN-γ knockout mouse model. The IL-27-Fc was injected into both CIA and IFN-γ-deficient mice. The effects of IL-27-Fc on osteoclast differentiation were evaluated both in vitro and in vivo. The IL-27-Fc-injected mice showed significantly lower arthritis indices and fewer tartrate-resistant acid-phosphatase-positive osteoclasts in their joint tissues than untreated mice. Interleukin-27 inhibited osteoclastogenesis from bone marrow-derived mononuclear cells in vitro, which was counteracted by the addition of anti-IFN-γ antibody. The IL-27-Fc did not affect arthritis in IFN-γ knockout mice. Interleukin-27 also suppressed osteoclast differentiation in human and intriguingly, it could promote the expression of IFN-γ on priming osteoclasts. These results imply that IL-27 suppressed the generation of CIA and osteoclastogenesis, which were mediated by the induction of IFN-γ.
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Affiliation(s)
- Jin-Sil Park
- The Rheumatism Research Centre, Catholic Research Institute of Medical Science, The Catholic University of Korea, Seoul, South Korea
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Moon SJ, Ahn IE, Jung H, Yi H, Kim J, Kim Y, Kwok SK, Park KS, Min JK, Park SH, Kim HY, Ju JH. Temporal differential effects of proinflammatory cytokines on osteoclastogenesis. Int J Mol Med 2013; 31:769-77. [PMID: 23403591 PMCID: PMC3621814 DOI: 10.3892/ijmm.2013.1269] [Citation(s) in RCA: 40] [Impact Index Per Article: 3.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/12/2012] [Accepted: 12/10/2012] [Indexed: 12/31/2022] Open
Abstract
Bone destruction and inflammation are closely linked. Cytokines play an important role in inflammatory bone destruction by upregulating the receptor activator of nuclear factor-κB (NF-κB) ligand (RANKL). The direct role of cytokines that act in a non-RANKL-dependent manner has yet to be elucidated. The aim of this study was to investigate the direct osteoclastogenic properties of inflammatory cytokines at different time-points of osteoclastogenesis. Mouse bone marrow macrophages were stimulated with the macrophage colony-stimulating factor (M-CSF) and various concentrations of RANKL. Inflammatory cytokines, such as tumor necrosis factor (TNF)-α, interleukin (IL)-1β, IL-6, IL-17 and IL-23, were added to the culture system of osteoclastogenesis. Two time-points of cytokine treatment were set. The ‘early’ effect of each cytokine was investigated at the time of first RANKL treatment, whereas the ‘late’ effect was investigated 48 h after the first RANKL challenge. Osteoclast differentiation and function were assessed using an osteoclast marker [tartrate-resistant acid phosphatase (TRAP)] and by visualization of pit formation. A permissive level of RANKL was required for cytokine-associated osteoclastogenesis in all experiments. In the M-CSF/RANKL monocellular culture system, IL-1β enhanced and IL-6 decreased osteoclast formation in a dose-dependent manner, regardless of temporal differences. Other cytokines showed various responses according to the phase of osteoclast maturation and the concentration of each cytokine and RANKL. Furthermore, luciferase assays showed that both IL-1β and RANKL activated the NF-κB signaling pathway. Collectively, our data revealed that targeting IL-1β may be a promising strategy to inhibit inflammation-associated bone destruction and osteoporosis.
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Affiliation(s)
- Su-Jin Moon
- Division of Rheumatology, Department of Internal Medicine, School of Medicine, The Catholic University of Korea, Seoul, Republic of Korea
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Li J, Gang D, Yu X, Hu Y, Yue Y, Cheng W, Pan X, Zhang P. Genistein: the potential for efficacy in rheumatoid arthritis. Clin Rheumatol 2013; 32:535-40. [PMID: 23307323 DOI: 10.1007/s10067-012-2148-4] [Citation(s) in RCA: 40] [Impact Index Per Article: 3.6] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/25/2012] [Accepted: 12/10/2012] [Indexed: 12/25/2022]
Abstract
Rheumatoid arthritis (RA) is a chronic, systemic inflammatory disorder that may affect many tissues and organs. Without treatment, inflammation leads to cartilage damage, bone erosions, joint destruction, and impaired movement. Because of the limited success of disease-modifying anti-rheumatic drugs, the exploration of new anti-rheumatic drugs with high efficacy and less toxicity is eagerly needed. Genistein, the major active compound from soybean, has received much attention due to its potential beneficial effects on some of the degenerative diseases. It has been found that genistein has anti-inflammatory, antiangiogenesis, antiproliferative, antioxidant, immunomodulatory, pain relief, and joint protection properties. Hence, significant advances have been made, both by in vitro and in vivo studies showing that genistein is a promising agent for RA treatment.
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Affiliation(s)
- Jinchao Li
- Center for Translational Medicine Research and Development, Shen Zhen Institute of Advanced Technology, Chinese Academy of Science, Shenzhen University Town, 1068 Xueyuan Avenue, Shenzhen, Guangdong 518055, China
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Crotti TN, Dharmapatni AASSK, Alias E, Zannettino ACW, Smith MD, Haynes DR. The immunoreceptor tyrosine-based activation motif (ITAM) -related factors are increased in synovial tissue and vasculature of rheumatoid arthritic joints. Arthritis Res Ther 2012; 14:R245. [PMID: 23146195 PMCID: PMC3674611 DOI: 10.1186/ar4088] [Citation(s) in RCA: 42] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/04/2012] [Accepted: 11/06/2012] [Indexed: 12/11/2022] Open
Abstract
Introduction The immunoreceptor tyrosine-based activation motif (ITAM) pathway provides osteoclast co-stimulatory signals and regulates proliferation, survival and differentiation of effector immune cells. In the osteoclast, the receptors Triggering Receptor Expressed on Myeloid cells 2 (TREM2) and Osteoclast Associated Receptor (OSCAR) and their respective adaptor proteins, DAP12 and FcRγ mediate ITAM signals and induce calcium signaling and the crucial transcription factor, NFATc1. In rheumatoid arthritis (RA), OSCAR expression by monocytes is inversely correlated with disease activity. Additionally, serum levels of OSCAR are reduced in RA patients versus healthy controls suggesting that expression and secretion or cleavage of soluble (s) OSCAR is immune modulated. Recent data suggest that endothelial cells may also be a source of OSCAR. Methods ITAM receptors, their adaptor proteins, and NFATc1 and cathepsin K were detected in human synovial tissues by immunohistochemistry. Synovial tissues from patients with active RA were compared with tissue from patients in remission, osteoarthritis (OA) patients and healthy individuals. OSCAR was measured by immunoassay in synovial fluids recovered from active RA and OA patients. Endothelial cells were cultured with or without 5 ng/mL TNF-α or IL-1β over 72 hours. Temporal expression of OSCAR mRNA was assessed by qRT PCR and OSCAR protein in the supernatant was measured by ELISA. Results Significantly higher (P < 0.05) NFATc1-positive inflammatory cell aggregates were found in active RA tissues than in healthy synovial tissue. Similarly, the percentage of OSCAR, FcRγ, DAP12 and TREM2 positive cells was significantly higher in active RA tissues compared to the healthy synovial tissue. Notably, OSCAR was strongly expressed in the microvasculature of the active RA tissues (9/9), inactive RA (8/9) weakly in OA (4/9) but only in the lumen of healthy synovial tissue (0/8). OSCAR levels were detected in synovial fluids from both RA (47 to 152 ng/mL) and OA (112 to 145 ng/mL) patients. Moreover, OSCAR mRNA expression and soluble OSCAR release was stimulated by TNF-α and IL1-β in cultured endothelial cells. Conclusions Increased levels of ITAM related factors were present in synovial tissue from active RA joints compared to OA and healthy joints. OSCAR was strongly expressed by the vasculature of active RA patients and membrane bound and soluble OSCAR was stimulated by inflammatory mediators in endothelial cells in vitro.
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Abstract
In the complex system of bone remodeling, the receptor activator of nuclear factor κB ligand (RANKL)/osteoprotegerin (OPG) pathway is the coupling factor between bone formation and bone resorption. RANKL binds to the RANK receptor of pre-osteoclasts and mature osteoclasts and stimulates their activation and differentiation. The production of RANKL/OPG by osteoblasts is influenced by hormones, growth factors and cytokines, which each have a different effect on the production of RANKL and OPG. Ultimately, the balance between RANKL and OPG determines the degree of proliferation and activity of the osteoclasts. In rheumatoid arthritis (RA), bone erosions are the result of osteoclastic bone resorption at the sites of synovitis, where RANKL expression is also found. Furthermore, magnetic resonance imaging (MRI) bone edema in RA indicates the presence of active inflammation within bone and the presence of osteitis, which is also associated with the expression of RANKL. Bone loss has been documented in the cortical and trabecular bone in the joints of the hand of RA patients. Both synovitis and periarticular bone involvement (osteitis and bone loss) are essential components of RA: they occur early in the disease and both are predictive for the occurrence and progression of bone damage. RANKL knockout mice and mice treated with OPG did not develop focal bone loss, in spite of persistent joint inflammation. Inhibition of osteoclasts by denosumab, a humanized antibody that selectively binds RANKL, has revealed in patients with RA that the occurrence of erosions and periarticular bone loss can be halted, however without affecting synovial inflammation. This disconnect between inflammation and bone destruction opens new ways to separately focus treatment on inflammation and osteoclastogenesis for preventing and/or minimizing the connection between joints and subchondral bone and bone marrow.
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Affiliation(s)
- Piet Geusens
- Academic Hospital azM, P. Debyelaan 25, Postbus 5800, 6202 AZ Maastricht, The Netherlands
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