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Bhagavatham SKS, Kannan V, Darshan VMD, Sivaramakrishnan V. Nucleotides modulate synoviocyte proliferation and osteoclast differentiation in macrophages with potential implications for rheumatoid arthritis. 3 Biotech 2021; 11:504. [PMID: 34840926 DOI: 10.1007/s13205-021-03052-8] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/28/2021] [Accepted: 10/30/2021] [Indexed: 12/29/2022] Open
Abstract
P2 receptors are nucleotide-activated receptors involved in inflammation, cell proliferation osteoblastogenesis, osteoclastogenesis and their function. They can be potential role players in the pathophysiology of rheumatoid arthritis (RA). Our analysis of gene expression datasets of synovial tissue biopsy from the GEO database shows changes in the expression levels of P2 receptors. HIG-82, a synovial fibroblast cell line and RAW 264.7, a macrophage cell line are good in vitro models to study RA. Nucleotide addition experiments showed UDP Glucose significantly increased the proliferation of synovial fibroblasts (HIG-82). Similarly, nucleotides such as Adenosine tri-phosphate (ATP), Adenosine di-phosphate (ADP), Uridine tri-phosphate (UTP), Uridine di-phosphate (UDP) and Uridine diphosphoglucose (UDPG) induced elevated reactive oxygen species (ROS) and tartrate Resistant Acid Phosphatase (TRAP) activity in RAW264.7 cells. The ADP-induced TRAP could be inhibited by clopidogrel a P2Y12 inhibitor. ATP, ADP, UTP, UDP and UDPG also induced osteoclastogenesis as evident from fused multinucleate cells and expression of osteoclast markers (TRAP, Cathepsin K [CTSK]) as determined by Q-PCR. Apyrase (APY) a nucleotidase and an enzyme that is used to modulate extracellular nucleotide concentration is sufficient to induce osteoclastogenesis. Taken together our results show that nucleotides modulate synoviocyte proliferation and macrophage differentiation into osteoclast and play an important role in RA. Nucleotide receptors might be potential therapeutic targets in RA. SUPPLEMENTARY INFORMATION The online version contains supplementary material available at 10.1007/s13205-021-03052-8.
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Li CH, Palanisamy K, Li X, Yu SH, Wang IK, Li CY, Sun KT. Exosomal tumor necrosis factor-α from hepatocellular cancer cells (Huh-7) promote osteoclast differentiation. J Cell Biochem 2021; 122:1749-1760. [PMID: 34383347 DOI: 10.1002/jcb.30127] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/30/2020] [Revised: 07/26/2021] [Accepted: 07/29/2021] [Indexed: 12/28/2022]
Abstract
Bone is the common extra-hepatic site for cancer metastasis. Hepatic cancer is associated with a higher incidence of pathological fracture. However, this important regulatory mechanism remains unexplored. Thus, exosome-mediated cell-cell communication between hepatocellular cancer and bone might be key to osteolytic bone destruction. Huh-7 exosomes were characterized for size and exosome marker expressions (CD63, Alix). Exosome mediated osteoclast differentiation in the RAW 264.7 cells was monitored from day 1 to 6 and multinucleated osteoclast formation and bone resorption activity were analyzed. The osteoclastogenic factor expressions in the exosomes and osteoclast differentiation markers such as tumor necrosis factor receptor 6 (TRAF6), nuclear factor κB (NF-κB), nuclear factor of activated T-cells, cytoplasmic 1 (NFATc1), and cathepsin K (CTSK) were analyzed using western blot. Exosomes released by liver cancer cells (Huh-7) promoted osteoclast differentiation in RAW 264.7 cells. Analysis of osteoclastogenic factors in the exosomes showed that exosomes were specifically enriched with tumor necrosis factor α (TNF-α). Huh-7 exosomes promoted osteoclast differentiation by significantly increasing the number of TRAP-positive multi nucleated osteoclasts and resorption pits. Importantly, exosomes upregulated osteoclast markers TRAF6, NF-κB, and CTSK expressions. Further, neutralizing exosomal TNF-α reverted exosome-mediated osteoclast differentiation in RAW 264.7 cells. Collectively, our findings show that cellular communication of exosomal TNF-α from hepatocellular cancer cells (Huh-7) regulates osteoclast differentiation through NF-κB/CTSK/TRAP expressions. Thus, exosomal TNF-α might act as an important therapeutic target to prevent hepatocellular cancer mediated pathological bone disease.
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Affiliation(s)
- Ching-Hao Li
- Graduate Institute of Biomedical Sciences, China Medical University, Taichung, Taiwan
| | - Kalaiselvi Palanisamy
- Graduate Institute of Biomedical Sciences, China Medical University, Taichung, Taiwan
| | - Xin Li
- Graduate Institute of Biomedical Sciences, China Medical University, Taichung, Taiwan
| | - Shao-Hua Yu
- Graduate Institute of Biomedical Sciences, China Medical University, Taichung, Taiwan.,Department of Emergency Medicine, China Medical University Hospital, Taichung, Taiwan
| | - I-Kuan Wang
- Graduate Institute of Biomedical Sciences, China Medical University, Taichung, Taiwan.,Division of Nephrology, China Medical University Hospital, Taichung, Taiwan.,Department of Internal Medicine, China Medical University, Taichung, Taiwan
| | - Chi-Yuan Li
- Graduate Institute of Biomedical Sciences, China Medical University, Taichung, Taiwan.,Department of Anesthesiology, China Medical University Hospital, Taichung, Taiwan
| | - Kuo-Ting Sun
- Department of Pediatric Dentistry, China Medical University Hospital, Taichung, Taiwan.,School of Dentistry, China Medical University, Taichung, Taiwan
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Iwamoto R, Takahashi T, Yoshimi K, Imai Y, Koide T, Hara M, Ninomiya T, Nakamura H, Sayama K, Yukita A. Chemokine ligand 28 (CCL28) negatively regulates trabecular bone mass by suppressing osteoblast and osteoclast activities. J Bone Miner Metab 2021; 39:558-571. [PMID: 33721112 DOI: 10.1007/s00774-021-01210-9] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 09/09/2020] [Accepted: 01/26/2021] [Indexed: 10/21/2022]
Abstract
INTRODUCTION Bone metabolism imbalances cause bone metabolism diseases, like osteoporosis, through aging. Although some chemokines are known to be involved in bone mass regulation, many have not been investigated. Thus, the present study aimed to investigate the role of chemokine ligand 28 (CCL28) on bone metabolism. MATERIALS AND METHODS To investigate the role of CCL28 on bone metabolism, 10-week-old male wild-type and Ccl28 knockout (Ccl28 KO) mice were analyzed. Microcomputed tomography analysis and bone tissue morphometry were used to investigate the effect of Ccl28 deficiency on the bone. CCL28 localization in bone tissue was assumed by immunohistochemistry. Osteoblast and osteoclast markers were evaluated by enzyme-linked immunosorbent assay and quantitative reverse transcription-polymerase chain reaction. Finally, in vitro experiments using MC3T3-E1 and bone marrow macrophages revealed the direct effect of CCL28 on osteoblast and osteoclast. RESULTS This study showed that Ccl28 deficiency significantly increased bone mass and the number of mature osteoblasts. Immunoreactivity for CCL28 was observed in osteoblasts and osteoclasts on bone tissue. Additionally, Ccl28 deficiency promoted osteoblast and osteoclast maturation. Moreover, CCL28 treatment decreased osteoblast and osteoclast activities but did not affect differentiation. CONCLUSION In summary, this study indicated that CCL28 is one of the negative regulators of bone mass by suppressing osteoblast and osteoclast activities. These results provide important insights into bone immunology and the selection of new osteoporosis treatments.
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Affiliation(s)
- Rina Iwamoto
- Department of Bioscience, Graduate School of Science and Technology, Shizuoka University, 836 Ohya, Suruga-ku, Shizuoka, 422-8529, Japan
| | - Takumi Takahashi
- Department of Agriculture, Graduate School of Integrated Science and Technology, Shizuoka University, 836 Ohya, Suruga-ku, Shizuoka, 422-8529, Japan
| | - Kazuto Yoshimi
- Laboratory Animal Research Center, Division of Animal Genetics, Institute of Medical Science, The University of Tokyo, 4-6-1 Shirokanedai, Minato-ku, Tokyo, 108-8639, Japan
| | - Yuji Imai
- Mouse Genomics Resource Laboratory, National Institute of Genetics, 1111 Yata, Mishima, Shizuoka, 411-8540, Japan
| | - Tsuyoshi Koide
- Mouse Genomics Resource Laboratory, National Institute of Genetics, 1111 Yata, Mishima, Shizuoka, 411-8540, Japan
| | - Miroku Hara
- Department of Oral Diagnostics and Comprehensive Dentistry, Matsumoto Dental University Hospital, 1780 Hirooka-gobara, Shiojiri, Nagano, 399-0781, Japan
| | - Tadashi Ninomiya
- Department of Anatomy, Nihon University School of Dentistry, 1-8-13 Kanda-Surugadai, Chiyoda-ku, Tokyo, 101-8310, Japan
| | - Hiroaki Nakamura
- Department of Oral Histology, Matsumoto Dental University, 1780 Hirooka-gobara, Shiojiri, Nagano, 399-0781, Japan
| | - Kazutoshi Sayama
- Department of Bioscience, Graduate School of Science and Technology, Shizuoka University, 836 Ohya, Suruga-ku, Shizuoka, 422-8529, Japan
- Department of Agriculture, Graduate School of Integrated Science and Technology, Shizuoka University, 836 Ohya, Suruga-ku, Shizuoka, 422-8529, Japan
| | - Akira Yukita
- Department of Bioscience, Graduate School of Science and Technology, Shizuoka University, 836 Ohya, Suruga-ku, Shizuoka, 422-8529, Japan.
- Department of Education (Sciences), Shizuoka University, 836 Ohya, Suruga-ku, Shizuoka, 422-8529, Japan.
- Department of Science, Graduate School of Integrated Science and Technology, Shizuoka University, 836 Ohya, Suruga-ku, Shizuoka, 422-8529, Japan.
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Chen S, Guo C, Wang R, Feng Z, Liu Z, Wu L, Zhao D, Zheng S, Chen F, Zhang D, Xu J, Zhu J, Chen X, Li Z, Wise CM, Li J, Wang XY. Monocytic MDSCs skew Th17 cells toward a pro-osteoclastogenic phenotype and potentiate bone erosion in rheumatoid arthritis. Rheumatology (Oxford) 2021; 60:2409-2420. [PMID: 33246326 DOI: 10.1093/rheumatology/keaa625] [Citation(s) in RCA: 16] [Impact Index Per Article: 5.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/16/2020] [Revised: 08/24/2020] [Indexed: 12/23/2022] Open
Abstract
OBJECTIVES While myeloid-derived suppressor cells (MDSCs) were previously shown to promote a proinflammatory T helper (Th) 17 response in autoimmune conditions, a potential impact of the MDSC-Th17 immune axis on abnormal bone destruction in RA remains largely unknown. METHODS We investigated the correlation between the frequency of MDSCs or its subsets and joint destruction in RA patients. The reciprocal actions of patient-derived MDSCs and Th17 cells were studied using osteoclast (OC) differentiation and bone resorption assays in vitro, which were further validated using mouse models of RA. Contribution of MDSCs to osteoclastogenesis and bone erosion in vivo was determined by depletion or transfer of MDSCs. RESULTS Human MDSCs, particularly monocytic MDSCs (M-MDSCs), exhibit inherent OC-differentiating capacity and positively correlate with clinical bone erosion in RA patients. Strikingly, patient-derived M-MDSCs can program Th17 cells towards a pro-osteoclastogenic phenotype, which in return potentiates OC differentiation via the receptor activator of nuclear factor κΒ ligand (RANK-L)-RANK signalling. This enhanced osteolysis driven by the reciprocal actions of M-MDSCs and Th17 cells is further confirmed using mouse models of RA. Selective depletion of M-MDSCs significantly ameliorates osteoclastogenesis and disease severity in arthritic mice, whereas transfer of M-MDSCs aggravates bone erosion associated with increased OCs in recipient mice. CONCLUSION Our findings highlight the functional plasticity of MDSCs and identify a novel pro-osteoclastogenic pathway governed by interplay between myeloid cells and T lymphocytes in autoimmune RA.
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Affiliation(s)
- Shixian Chen
- Department of Traditional Chinese Internal Medicine, School of Traditional Chinese Medicine.,Department of Rheumatic & TCM Medical Center, Nanfang Hospital, Southern Medical University, Guangzhou, China
| | - Chunqing Guo
- Department of Human & Molecular Genetics.,Institute of Molecular Medicine, Virginia Commonwealth University School of Medicine, Richmond, VA, USA
| | - Ran Wang
- Department of Traditional Chinese Internal Medicine, School of Traditional Chinese Medicine.,Department of Rheumatic & TCM Medical Center, Nanfang Hospital, Southern Medical University, Guangzhou, China
| | - Zhitao Feng
- Department of Traditional Chinese Internal Medicine, School of Traditional Chinese Medicine
| | - Zheng Liu
- Department of Human & Molecular Genetics.,Institute of Molecular Medicine, Virginia Commonwealth University School of Medicine, Richmond, VA, USA
| | - Lisheng Wu
- Department of Traditional Chinese Internal Medicine, School of Traditional Chinese Medicine
| | - Di Zhao
- Department of Traditional Chinese Internal Medicine, School of Traditional Chinese Medicine
| | - Songyuan Zheng
- Department of Traditional Chinese Internal Medicine, School of Traditional Chinese Medicine
| | - Feilong Chen
- Department of Traditional Chinese Internal Medicine, School of Traditional Chinese Medicine
| | - Dingding Zhang
- Department of Traditional Chinese Internal Medicine, School of Traditional Chinese Medicine
| | - Juan Xu
- Department of Traditional Chinese Internal Medicine, School of Traditional Chinese Medicine
| | - Junqing Zhu
- Department of Rheumatic & TCM Medical Center, Nanfang Hospital, Southern Medical University, Guangzhou, China
| | - Xiaoguang Chen
- Guangdong Provincial Key Laboratory of Tropical Disease Research, Department of Pathogen Biology, Southern Medical University School of Public Health, Guangzhou
| | - Zhanguo Li
- Department of Rheumatology and Immunology, Peking University People's Hospital & Beijing Key Laboratory for Rheumatism Mechanism and Immune Diagnosis, Beijing, China
| | - Christopher M Wise
- Department of Internal Medicine, Virginia Commonwealth University Medical Center
| | - Juan Li
- Department of Traditional Chinese Internal Medicine, School of Traditional Chinese Medicine.,Department of Rheumatic & TCM Medical Center, Nanfang Hospital, Southern Medical University, Guangzhou, China
| | - Xiang-Yang Wang
- Department of Human & Molecular Genetics.,Institute of Molecular Medicine, Virginia Commonwealth University School of Medicine, Richmond, VA, USA.,McGuire VA Medical Center, Richmond, VA, USA
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Predictive Periodontitis: The Most Promising Salivary Biomarkers for Early Diagnosis of Periodontitis. J Clin Med 2021; 10:jcm10071488. [PMID: 33916672 PMCID: PMC8038382 DOI: 10.3390/jcm10071488] [Citation(s) in RCA: 31] [Impact Index Per Article: 10.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/07/2021] [Revised: 03/22/2021] [Accepted: 03/30/2021] [Indexed: 02/06/2023] Open
Abstract
The primary cause of tooth loss in the industrialized world is periodontitis, a bacterial anaerobic infection whose pathogenesis is characterized by composite immune response. At present, the diagnose of periodontitis is made by a complete status check of the patient’s periodontal health; full-mouth plaque score, full-mouth bleeding score, probing depth, clinical attachment level, bleeding on probing, recessions, mobility, and migration are evaluated in order to provides a clear picture of the periodontal conditions of a single patient. Chair-side diagnostic tests based on whole saliva could be routinely used by periodontists for a very early diagnosis of periodontitis, monitoring, prognosis, and management of periodontal patients by biomarker detection, whose diagnostic validity is related to sensitivity and specificity. Recent paper reviews and meta-analyses have focused on five promising host derived biomarkers as candidate for early diagnosis of periodontitis: MMP-8 (Metalloproteinase-8), MIP-1α (Macrophage inflammatory protein-1 alpha), IL-1 β (Interleukin-1 beta), IL-6 (Interleukin-6), and HB (Hemoglobin), and their combinations. Chair-side Lab-on-a-chip (LOC) technology may soon become an important part of efforts to detect such biomarkers in saliva medium to improve worldwide periodontal health in developed nations as well as in underserved communities and poor countries. Their applications in preventive and predictive medicine is now fundamental, and is aimed at the early detection of risk factors or the presence or evolution of the disease, and in personalized medicine, which aims to identify tailor-made treatments for individual patients. The aim of the present paper is to be informative about host derived periodontal biomarkers and, in particular, we intend to report information about the most important immune response derived biomarkers and Hemoglobin as candidates to be routinely utilized in order to obtain a chair-side early diagnosis of periodontal disease.
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Nishida D, Arai A, Zhao L, Yang M, Nakamichi Y, Horibe K, Hosoya A, Kobayashi Y, Udagawa N, Mizoguchi T. RANKL/OPG ratio regulates odontoclastogenesis in damaged dental pulp. Sci Rep 2021; 11:4575. [PMID: 33633362 PMCID: PMC7907144 DOI: 10.1038/s41598-021-84354-y] [Citation(s) in RCA: 15] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/07/2020] [Accepted: 02/16/2021] [Indexed: 01/31/2023] Open
Abstract
Bone-resorbing osteoclasts are regulated by the relative ratio of the differentiation factor, receptor activator NF-kappa B ligand (RANKL) and its decoy receptor, osteoprotegerin (OPG). Dental tissue-localized-resorbing cells called odontoclasts have regulatory factors considered as identical to those of osteoclasts; however, it is still unclear whether the RANKL/OPG ratio is a key factor for odontoclast regulation in dental pulp. Here, we showed that odontoclast regulators, macrophage colony-stimulating factor-1, RANKL, and OPG were detectable in mouse pulp of molars, but OPG was dominantly expressed. High OPG expression was expected to have a negative regulatory effect on odontoclastogenesis; however, odontoclasts were not detected in the dental pulp of OPG-deficient (KO) mice. In contrast, damage induced odontoclast-like cells were seen in wild-type pulp tissues, with their number significantly increased in OPG-KO mice. Relative ratio of RANKL/OPG in the damaged pulp was significantly higher than in undamaged control pulp. Pulp damages enhanced hypoxia inducible factor-1α and -2α, reported to increase RANKL or decrease OPG. These results reveal that the relative ratio of RANKL/OPG is significant to pulpal odontoclastogenesis, and that OPG expression is not required for maintenance of pulp homeostasis, but protects pulp from odontoclastogenesis caused by damages.
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Affiliation(s)
- Daisuke Nishida
- grid.265070.60000 0001 1092 3624Oral Health Science Center, Tokyo Dental College, Tokyo, 101-0061 Japan
| | - Atsushi Arai
- grid.411611.20000 0004 0372 3845Department of Orthodontics, Matsumoto Dental University, Nagano, 399-0781 Japan
| | - Lijuan Zhao
- grid.411611.20000 0004 0372 3845Institute for Oral Science, Matsumoto Dental University, Nagano, 399-0781 Japan
| | - Mengyu Yang
- grid.411611.20000 0004 0372 3845Institute for Oral Science, Matsumoto Dental University, Nagano, 399-0781 Japan
| | - Yuko Nakamichi
- grid.411611.20000 0004 0372 3845Institute for Oral Science, Matsumoto Dental University, Nagano, 399-0781 Japan
| | - Kanji Horibe
- grid.411611.20000 0004 0372 3845Department of Oral Histology, Matsumoto Dental University, Nagano, 399-0781 Japan
| | - Akihiro Hosoya
- grid.412021.40000 0004 1769 5590Department of Histology, School of Dentistry, Health Sciences University of Hokkaido, Hokkaido, 061-0293 Japan
| | - Yasuhiro Kobayashi
- grid.411611.20000 0004 0372 3845Institute for Oral Science, Matsumoto Dental University, Nagano, 399-0781 Japan
| | - Nobuyuki Udagawa
- grid.411611.20000 0004 0372 3845Department of Oral Biochemistry, Matsumoto Dental University, Nagano, 399-0781 Japan
| | - Toshihide Mizoguchi
- grid.265070.60000 0001 1092 3624Oral Health Science Center, Tokyo Dental College, Tokyo, 101-0061 Japan ,grid.411611.20000 0004 0372 3845Department of Oral Biochemistry, Matsumoto Dental University, Nagano, 399-0781 Japan
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Park JY, Kwon YW, Kim SA, Park SD, Kim CH, Kim JH, Lee JH. Polyherbal formula SC-E3 inhibits rheumatoid arthritis activity in a mouse model of type-II collagen-induced arthritis. JOURNAL OF INTEGRATIVE MEDICINE-JIM 2020; 19:265-273. [PMID: 33349609 DOI: 10.1016/j.joim.2020.12.001] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/31/2020] [Accepted: 10/30/2020] [Indexed: 12/16/2022]
Abstract
OBJECTIVE SC-E3 is a polyherbal formula that contains five medicinal herbs used frequently in traditional herbal medicine. In our previous study, we demonstrated the antioxidant and anti-inflammatory effects of SC-E3. The present study examined the effects of SC-E3 in a mouse model of type-II collagen-induced arthritis (CIA). METHODS In vivo, male DBA/1J mice were immunized by intradermal injection of bovine type-II collagen and complete or incomplete Freund's adjuvant, to induce arthritis. SC-E3 was orally administered daily for 23 days. In vitro, bone marrow-derived macrophages (BMMs) were treated with macrophage colony-stimulating factor (M-CSF) and receptor activator of nuclear factor-κB ligand (RANKL) in the absence or presence of SC-E3. RESULTS Administrations of SC-E3 were found to have anti-arthritic effects in the joints of CIA mice, as evidenced by reduced paw swelling, bone erosion and deformation, inflammatory cell infiltration, and inflammation in synovial membrane. SC-E3 also reduced serum levels of tumor necrosis factor-α, interleukin-1β, aspartate aminotransferase and alanine aminotransferase. Furthermore, tartrate-resistant acid phosphatase-positive osteoclast numbers in the joints were significantly lower in SC-E3-treated CIA mice than in CIA mice. In addition, the differentiations of BMMs to multinucleated osteoclasts induced by M-CSF and RANKL stimulation were dose-dependently reduced by SC-E3. CONCLUSION These results suggest that SC-E3 possesses substantial anti-arthritic activity because it inhibits pro-inflammatory cytokines and osteoclastogenesis, and that SC-E3 has potential therapeutic use for the treatment of rheumatoid arthritis.
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Affiliation(s)
- Ju-Yeon Park
- College of Korean Medicine, Dongguk University, Goyang 10326, Republic of Korea
| | - Young-Won Kwon
- College of Korean Medicine, Dongguk University, Goyang 10326, Republic of Korea
| | - Sun-Ah Kim
- College of Korean Medicine, Dongguk University, Goyang 10326, Republic of Korea
| | - Sun-Dong Park
- College of Korean Medicine, Dongguk University, Goyang 10326, Republic of Korea
| | - Chang-Hyun Kim
- Department of Medicine, College of Medicine, Dongguk University, Goyang 10326, Republic of Korea
| | - Jin-Hee Kim
- Department of Biomedical Laboratory Science, College of Health Science, Cheongju University, Cheongju 28503, Republic of Korea.
| | - Ju-Hee Lee
- College of Korean Medicine, Dongguk University, Goyang 10326, Republic of Korea.
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Implication of the Association of Fibrinogen Citrullination and Osteoclastogenesis in Bone Destruction in Rheumatoid Arthritis. Cells 2020; 9:cells9122720. [PMID: 33419308 PMCID: PMC7766778 DOI: 10.3390/cells9122720] [Citation(s) in RCA: 13] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/27/2020] [Revised: 12/16/2020] [Accepted: 12/17/2020] [Indexed: 02/07/2023] Open
Abstract
Immune complexes containing citrullinated fibrinogen are present in the sera and synovium of rheumatoid arthritis patients and potentially contribute to synovitis. However, fibrinogen can inhibit the osteoclastogenesis of precursor cells. We investigated the direct effect of citrullinated fibrinogen on osteoclastogenesis to understand the role of citrullination on bone erosion of rheumatoid arthritis patients. We evaluated the fibrinogen citrullination sites using mass spectrometry and quantified osteoclast-related protein and gene expression levels by Western blotting, microarray, and real-time polymerase chain reaction. Differences in spectral peaks were noted between fibrinogen and citrullinated fibrinogen at five sites in α-chains, two sites in β-chains, and one site in a γ-chain. Transcriptome changes induced by fibrinogen and citrullinated fibrinogen were identified and differentially expressed genes grouped into three distinctive modules. Fibrinogen was then citrullinated in vitro using peptidylarginine deiminase. When increasing doses of soluble fibrinogen and citrullinated fibrinogen were applied to human CD14+ monocytes, citrullination restored osteoclastogenesis-associated changes, including NF-ATc1 and ß3-integrin. Finally, citrullination rescued the number of osteoclasts by restoring fibrinogen-induced suppression of osteoclastogenesis. Taken together, the results indicate that the inhibitory function of fibrinogen on osteoclastogenesis is reversed by citrullination and suggest that citrullinated fibrinogen may contribute to erosive bone destruction in rheumatoid arthritis.
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Tsujimaru K, Takanashi M, Sudo K, Ishikawa A, Mineo S, Ueda S, Kumagai K, Kuroda M. Extracellular microvesicles that originated adipose tissue derived mesenchymal stem cells have the potential ability to improve rheumatoid arthritis on mice. Regen Ther 2020; 15:305-311. [PMID: 33426233 PMCID: PMC7770341 DOI: 10.1016/j.reth.2020.08.004] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/03/2020] [Revised: 07/22/2020] [Accepted: 08/27/2020] [Indexed: 01/12/2023] Open
Abstract
Introduction Mesenchymal stem cells (MSCs) are promising therapeutic tools in regenerative medicine. In particularly adipose tissue derived MSC (AMSC) has powerful potential for the therapeutics of rheumatoid arthritis (RA) because these cells can control immune balance. RA systemically occurs autoimmune disease. Interestingly, IL-1 receptor antagonist deficient (IL-1ra-/-) mice induce inflammation in joints like RA. In RA therapy, although AMSC improves the inflammation activity, it is little known to play roles of extracellular microvesicles (EV) for improvement of RA. To clarify the MSC-derived EVs are involved amelioration mechanisms for RA by themselves, we examined the functional effects of development for RA by AMSC-EVs. Methods We isolated AMSCs derived mice adipose tissue and purified EVs from the culture supernatant of AMSCs. To examine whether EVs can improve RA, we administrated EVs or AMSCs to IL-1ra knockout mice as RA model mice. We analyzed EVs-included factor by western blot methods and RA improvement effect by ELISA. Results In this study, we showed that the swellings of joints on mice in wild type AMSC and that in AMSC-EVs decreased than that in IL-1ra-/- mice-AMSC-EVs and in none-treated. We detected IL-1ra expression in AMSC-EVs in wild type mice but not that in IL-1ra-/- mice. Proinflammatory cytokine expression changes in mice showed in AMSCs and AMSC-EVs, but no apparent differences cytokine expressions were detected in IL-1ra-/- mice. Conclusions In this study, we concluded that MSCs might improve RA by the transferring of factors such as IL-1ra, which are included their MSC derived- EVs.
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Affiliation(s)
| | | | - Katsuko Sudo
- Preclinical Research Center, Tokyo Medical University, 6-1-1, Shinjuku, Shinjuku-ku, Tokyo, 160-8402, Japan
| | - Akio Ishikawa
- Department of Molecular Pathology, Tokyo Medical University, Japan
| | - Shoichiro Mineo
- Department of Molecular Pathology, Tokyo Medical University, Japan
| | - Shinobu Ueda
- Department of Molecular Pathology, Tokyo Medical University, Japan
| | - Katsuyoshi Kumagai
- Preclinical Research Center, Tokyo Medical University, 6-1-1, Shinjuku, Shinjuku-ku, Tokyo, 160-8402, Japan
| | - Masahiko Kuroda
- Department of Molecular Pathology, Tokyo Medical University, Japan
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Van Raemdonck K, Umar S, Shahrara S. The pathogenic importance of CCL21 and CCR7 in rheumatoid arthritis. Cytokine Growth Factor Rev 2020; 55:86-93. [PMID: 32499193 PMCID: PMC10018533 DOI: 10.1016/j.cytogfr.2020.05.007] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/03/2020] [Accepted: 05/12/2020] [Indexed: 02/08/2023]
Abstract
Innate and adaptive immunity regulate the inflammatory and erosive phenotypes observed in rheumatoid arthritis (RA) patients. Hence, identifying novel pathways that participate in different stages of RA pathology will provide valuable insights concerning the mechanistic behavior of different joint leukocytes and the strategy to restrain their activity. Recent findings have revealed that CCL21 poses as a risk factor for RA and expression of its receptor, CCR7, on circulating monocytes is representative of the patient's disease activity score. Expression of CCR7 was found to be the hallmark of RA synovial fluid (SF) M1 macrophages (MФs) and its levels were potentiated in response to M1 mediating factors and curtailed by M2 mediators in naïve MФs. Intriguingly, although both CCR7 ligands, CCL19 and CCL21, are elevated in RA specimens, only CCL21 was predominately responsible for CCR7's pathological manifestation of RA. Unique subset of MФs differentiated in response to CCL21 stimulation, exhibited upregulation in Th17-polarizing monokines. Moreover, CCL21-activated monokines were capable of differentiating naïve T cells into joint Th17 cells, which also partook in RA osteoclastogenesis. Finally, to conserve chronic inflammation, SF CCL21 amplified RA neovascularization directly and indirectly by promoting RA FLS and MΦs to secrete proangiogenic factors, VEGF and IL-17. This review aims to shed light on the broad pathogenic impact of CCL21, linking immunostimulatory MФs with Th17 cells, while concurrently advancing RA bone destruction and neovascularization.
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Affiliation(s)
- Katrien Van Raemdonck
- Jesse Brown VA Medical Center, Chicago, IL 60612, United States; Department of Medicine, Division of Rheumatology, University of Illinois at Chicago, IL 60612, United States
| | - Sadiq Umar
- Jesse Brown VA Medical Center, Chicago, IL 60612, United States; Department of Medicine, Division of Rheumatology, University of Illinois at Chicago, IL 60612, United States
| | - Shiva Shahrara
- Jesse Brown VA Medical Center, Chicago, IL 60612, United States; Department of Medicine, Division of Rheumatology, University of Illinois at Chicago, IL 60612, United States.
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Abstract
Rheumatoid arthritis (RA) is a chronic autoimmune disease that results in severe inflammatory microenvironments in the joint tissues. In clinics, disease-modifying antirheumatic drugs (DMARDs) are generally prescribed to patients with RA, but their long-term use often shows toxicity in some organs such as the gastrointestinal system, skin, and kidneys and immunosuppression-mediated infection. Nanomedicine has emerged as a new therapeutic strategy to efficiently localize the drugs in inflamed joints for the treatment of RA. In this Review, we introduce recent research in the area of nanomedicine for the treatment of RA and discuss how the nanomedicine can be used to deliver therapeutic agents to the inflamed joints and manage the progression of RA, particularly focusing on targeted delivery, controlled drug release, and immune modulation.
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Affiliation(s)
- Moonkyoung Jeong
- Department of Bio and Brain Engineering and KAIST Institute for Health Science and Technology, Korea Advanced Institute of Science and Technology (KAIST), Daejeon, Republic of Korea
| | - Ji-Ho Park
- Department of Bio and Brain Engineering and KAIST Institute for Health Science and Technology, Korea Advanced Institute of Science and Technology (KAIST), Daejeon, Republic of Korea
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12
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Atretkhany KSN, Gogoleva VS, Drutskaya MS, Nedospasov SA. Distinct modes of TNF signaling through its two receptors in health and disease. J Leukoc Biol 2020; 107:893-905. [PMID: 32083339 DOI: 10.1002/jlb.2mr0120-510r] [Citation(s) in RCA: 37] [Impact Index Per Article: 9.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/13/2019] [Revised: 01/03/2020] [Accepted: 01/21/2020] [Indexed: 12/14/2022] Open
Abstract
TNF is a key proinflammatory and immunoregulatory cytokine whose deregulation is associated with the development of autoimmune diseases and other pathologies. Recent studies suggest that distinct functions of TNF may be associated with differential engagement of its two receptors: TNFR1 or TNFR2. In this review, we discuss the relative contributions of these receptors to pathogenesis of several diseases, with the focus on autoimmunity and neuroinflammation. In particular, we discuss the role of TNFRs in the development of regulatory T cells during neuroinflammation and recent findings concerning targeting TNFR2 with agonistic and antagonistic reagents in various murine models of autoimmune and neuroinflammatory disorders and cancer.
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Affiliation(s)
- Kamar-Sulu N Atretkhany
- Engelhardt Institute of Molecular Biology, Russian Academy of Sciences, Moscow, Russia.,Lomonosov Moscow State University, Moscow, Russia
| | - Violetta S Gogoleva
- Engelhardt Institute of Molecular Biology, Russian Academy of Sciences, Moscow, Russia
| | - Marina S Drutskaya
- Engelhardt Institute of Molecular Biology, Russian Academy of Sciences, Moscow, Russia
| | - Sergei A Nedospasov
- Engelhardt Institute of Molecular Biology, Russian Academy of Sciences, Moscow, Russia.,Lomonosov Moscow State University, Moscow, Russia.,Sirius University of Science and Technology, Sochi, Russia
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13
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Udomsinprasert W, Jittikoon J, Honsawek S. Interleukin-34 as a promising clinical biomarker and therapeutic target for inflammatory arthritis. Cytokine Growth Factor Rev 2019; 47:43-53. [PMID: 31126875 DOI: 10.1016/j.cytogfr.2019.05.005] [Citation(s) in RCA: 17] [Impact Index Per Article: 3.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/02/2019] [Accepted: 05/09/2019] [Indexed: 01/15/2023]
Abstract
Interleukin-34 (IL-34), recently identified as a novel inflammatory cytokine and the second ligand for colony-stimulating factor-1 receptor, is known to play regulatory roles in the development, maintenance, and function of mononuclear phagocyte lineage cells - especially osteoclasts. Regarding its primary effect on osteoclasts, IL-34 has been shown to stimulate formation and activation of osteoclasts, which in turn magnifies osteoclasts-resorbing activity. In addition to its role in osteoclastogenesis, IL-34 has been implicated in inflammation of synovium via augmenting production of inflammatory mediators, in which altered IL-34 expression is regulated by pro-inflammatory cytokines responsible for cartilage degradation. Indeed, IL-34 has been documented to be highly expressed in inflamed synovium of rheumatoid arthritis (RA) and knee osteoarthritis (OA) patients, which are recognized as inflammatory arthritis. Furthermore, a number of clinical studies demonstrated that IL-34 levels were significantly increased in the circulation and synovial fluid of patients with RA and knee OA. Its levels were also found to be positively associated with disease severity - especially radiographic severity of both RA and knee OA patients. Interestingly, emerging evidence has accumulated that functional blockage of IL-34 with specific antibody can alleviate the severity of inflammatory arthritis. It is therefore reasonable to speculate that IL-34 may be developed as a potential biomarker and a new therapeutic candidate for inflammatory arthritis. To date, there are numerous studies showing IL-34 involvement and association with many aspects of inflammatory arthritis. Herein, this review aimed to summarize the recent findings regarding regulatory role of IL-34 in synovial inflammation-mediated cartilage destruction and update the current comprehensive knowledge on usefulness of IL-34-based treatment in inflammatory arthritis - particularly RA and knee OA.
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Affiliation(s)
| | - Jiraphun Jittikoon
- Department of Biochemistry, Faculty of Pharmacy, Mahidol University, Bangkok, Thailand
| | - Sittisak Honsawek
- Department of Biochemistry, Osteoarthritis and Musculoskeleton Research Unit, Faculty of Medicine, Chulalongkorn University, King Chulalongkorn Memorial Hospital, Thai Red Cross Society, Bangkok, Thailand
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14
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Ganesan R, Rasool M. Ferulic acid inhibits interleukin 17-dependent expression of nodal pathogenic mediators in fibroblast-like synoviocytes of rheumatoid arthritis. J Cell Biochem 2019; 120:1878-1893. [PMID: 30160792 DOI: 10.1002/jcb.27502] [Citation(s) in RCA: 13] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/19/2018] [Accepted: 07/20/2018] [Indexed: 01/24/2023]
Abstract
Interleukin 17 (IL-17), a proinflammatory cytokine produced by T helper (Th) 17 cells, potentially controls fibroblast-like synoviocytes (FLS)-mediated disease activity of rheumatoid arthritis (RA) via IL-17/ IL-17 receptor type A (IL-17RA)/signal transducer and activator of transcription 3 (STAT-3) signaling cascade. This has suggested that targeting IL-17 signaling could serve as an important strategy to treat FLS-mediated RA progression. Ferulic acid (FA), a key polyphenol, attenuates the development of gouty arthritis and cancer through its anti-inflammatory effects, but its therapeutic efficiency on IL-17 signaling in FLS-mediated RA pathogenesis remains unknown. In the current study, FA markedly inhibited the IL-17-mediated expression of its specific transmembrane receptor IL-17RA in FLS isolated from adjuvant-induced arthritis (AA) rats. Importantly, FA dramatically suppressed the IL-17-mediated expression of toll-like receptor 3 (TLR-3), cysteine-rich angiogenic inducer 61 (Cyr61), IL-23, granulocyte-macrophage colony stimulating factor (GM-CSF) in AA-FLS via the inhibition of IL-17/IL-17RA/STAT-3 signaling cascade. In addition, FA significantly decreased the formation of osteoclast cells and bone resorption potential in a coculture system consisting of IL-17 treated AA-FLS and rat bone marrow derived monocytes/macrophages. Furthermore, FA remarkably inhibited the IL-17-mediated expression of receptor activator of nuclear factor κ-Β ligand (RANKL) and increased the expression of osteoprotegerin (OPG) in AA-FLS via the regulation of IL-17/IL-17RA/STAT-3 signaling cascade. The therapeutic efficiency of FA on IL-17 signaling was further confirmed by knockdown of IL-17RA using small interfering RNA or blocking of STAT-3 activation with S3I-201. The molecular docking analysis revealed that FA manifests significant ligand efficiency toward IL-17RA, STAT-3, IL-23, and RANKL proteins. This study provides new evidence that FA can be used as a potential therapeutic agent for inhibiting IL-17-mediated disease severity and bone erosion in RA.
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Affiliation(s)
- Ramamoorthi Ganesan
- Immunopathology Lab, School of Bio Sciences and Technology, Vellore Institute of Technology (VIT), Vellore, Tamilnadu, India
| | - Mahaboobkhan Rasool
- Immunopathology Lab, School of Bio Sciences and Technology, Vellore Institute of Technology (VIT), Vellore, Tamilnadu, India
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15
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Vecellio M, Cohen CJ, Roberts AR, Wordsworth PB, Kenna TJ. RUNX3 and T-Bet in Immunopathogenesis of Ankylosing Spondylitis-Novel Targets for Therapy? Front Immunol 2019; 9:3132. [PMID: 30687330 PMCID: PMC6335330 DOI: 10.3389/fimmu.2018.03132] [Citation(s) in RCA: 15] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/14/2018] [Accepted: 12/18/2018] [Indexed: 12/30/2022] Open
Abstract
Susceptibility to ankylosing spondylitis (AS) is polygenic with more than 100 genes identified to date. These include HLA-B27 and the aminopeptidases (ERAP1, ERAP2, and LNPEPS), which are involved in antigen processing and presentation to T-cells, and several genes (IL23R, IL6R, STAT3, JAK2, IL1R1/2, IL12B, and IL7R) involved in IL23 driven pathways of inflammation. AS is also strongly associated with polymorphisms in two transcription factors, RUNX3 and T-bet (encoded by TBX21), which are important in T-cell development and function. The influence of these genes on the pathogenesis of AS and their potential for identifying drug targets is discussed here.
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Affiliation(s)
- Matteo Vecellio
- Nuffield Department of Orthopaedics, Rheumatology and Musculoskeletal Sciences, University of Oxford, Oxford, United Kingdom.,Oxford Musculoskeletal Biomedical Research Unit, National Institute for Health Research, Oxford, United Kingdom.,Oxford Comprehensive Biomedical Research Centre, Botnar Research Centre, National Institute for Health Research, Nuffield Orthopaedic Centre, Oxford, United Kingdom
| | - Carla J Cohen
- Nuffield Department of Orthopaedics, Rheumatology and Musculoskeletal Sciences, University of Oxford, Oxford, United Kingdom.,Oxford Musculoskeletal Biomedical Research Unit, National Institute for Health Research, Oxford, United Kingdom.,Oxford Comprehensive Biomedical Research Centre, Botnar Research Centre, National Institute for Health Research, Nuffield Orthopaedic Centre, Oxford, United Kingdom
| | - Amity R Roberts
- Dunn School of Pathology, University of Oxford, Oxford, United Kingdom
| | - Paul B Wordsworth
- Nuffield Department of Orthopaedics, Rheumatology and Musculoskeletal Sciences, University of Oxford, Oxford, United Kingdom.,Oxford Musculoskeletal Biomedical Research Unit, National Institute for Health Research, Oxford, United Kingdom.,Oxford Comprehensive Biomedical Research Centre, Botnar Research Centre, National Institute for Health Research, Nuffield Orthopaedic Centre, Oxford, United Kingdom
| | - Tony J Kenna
- Translational Research Institute, Princess Alexandra Hospital, Brisbane, QLD, Australia.,Faculty of Health, Institute of Health and Biomedical Innovation, Queensland University of Technology, Brisbane, QLD, Australia
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16
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Worth C, Bowness P, Hussein Al-Mossawi M. Novel Therapeutic Targets in Axial Spondyloarthritis. CURRENT TREATMENT OPTIONS IN RHEUMATOLOGY 2018; 4:174-182. [PMID: 29938195 PMCID: PMC5978800 DOI: 10.1007/s40674-018-0095-1] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/14/2022]
Abstract
Purpose of review Axial spondyloarthritis remains an area of significant unmet clinical need with only two immune pathways currently targeted by licenced therapies compared to other immune-mediated inflammatory joint disorders such as rheumatoid arthritis where a multitude of therapeutic options are available. This review will look at emerging therapeutic targets in axial spondyloarthritis beyond the neutralisation of IL-17A and TNF by monoclonal antibodies. Recent findings Several promising targets are in various stages of pre-clinical and clinical development in axial spondyloarthritis. These include small molecule approaches to target transcription factors, epigenetic modification and intracellular modulation of cytokine signalling by kinase inhibition. GM-CSF has also emerged as a potential driver of inflammation. Summary A number of novel and promising therapeutic options are in various stages of development in axial spondyloarthritis. The Janus kinase inhibitors have shown great promise in other immune-mediated inflammatory disorders and will be an exciting addition to the axial spondyloarthritis field as the first oral disease-modifying agents. GM-CSF blockade also shows great promise since antibodies for neutralising this cytokine are safe in patients and have shown efficacy in other immune-mediated inflammatory diseases.
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Affiliation(s)
- Claudia Worth
- Nuffield Department of Orthopaedics Rheumatology and Musculoskeletal Sciences, Botnar Research Centre, University of Oxford, Oxford, OX3 7HE UK
| | - Paul Bowness
- Nuffield Department of Orthopaedics Rheumatology and Musculoskeletal Sciences, Botnar Research Centre, University of Oxford, Oxford, OX3 7HE UK
| | - M Hussein Al-Mossawi
- Nuffield Department of Orthopaedics Rheumatology and Musculoskeletal Sciences, Botnar Research Centre, University of Oxford, Oxford, OX3 7HE UK
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17
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Kitazawa R, Haraguchi R, Fukushima M, Kitazawa S. Pathologic conditions of hard tissue: role of osteoclasts in osteolytic lesion. Histochem Cell Biol 2018; 149:405-415. [PMID: 29356963 DOI: 10.1007/s00418-018-1639-z] [Citation(s) in RCA: 16] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 01/17/2018] [Indexed: 12/11/2022]
Abstract
Hard tissue homeostasis is regulated by the balance between bone formation by osteoblasts and bone resorption by osteoclasts. This physiologic process allows adaptation to mechanical loading and calcium homeostasis. Under pathologic conditions, however, this process is ill-balanced resulting in either over-resorption or over-formation of hard tissue. Local over-resorption by osteoclasts is typically observed in osteolytic metastases of malignancies, autoimmune arthritis, and giant cell tumor of bone (GCTB). In tumor-related local osteolysis, tumor-derived osteoclast-activating factors induce bone resorption not by directly acting on osteoclasts but by indirectly upregulating receptor activator of NFκB ligand (RANKL) on osteoblastic cells. Similarly, synovial tissue in the autoimmune arthritis model does overexpress RANKL and contains numerous osteoclast precursors, and like a landing craft, when it comes in contact with eroded bone surfaces, osteoclast precursors are immediately polarized to become mature osteoclasts, inducing rapidly progressive bone destruction at a late stage of the disease. GCTB, on the other hand, is a common primary bone tumor, usually arising at the metaphysis of the long bone in young adults. After the discovery of RANKL, the concept of GCTB as a tumor of RANKL-expressing stromal cells was established, and comprehensive exosome studies finally disclosed the causative single-point mutation at histone H3.3 (H3F3A) in stromal cells. Thus, osteolytic lesions under various pathological conditions are ultimately attributable to the overexpression of RANKL, which opens up a common, practical and useful therapeutic target for diverse osteolytic conditions.
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Affiliation(s)
- Riko Kitazawa
- Division of Diagnostic Pathology, Ehime University Hospital, Shitsukawa, Toon, Ehime, 791-0295, Japan.,Department of Molecular Pathology, Graduate School of Medicine, Ehime University Graduate School of Medicine, 454 Shitsukawa, Toon, Ehime, 791-0295, Japan
| | - Ryuma Haraguchi
- Department of Molecular Pathology, Graduate School of Medicine, Ehime University Graduate School of Medicine, 454 Shitsukawa, Toon, Ehime, 791-0295, Japan
| | - Mana Fukushima
- Division of Diagnostic Pathology, Ehime University Hospital, Shitsukawa, Toon, Ehime, 791-0295, Japan
| | - Sohei Kitazawa
- Department of Molecular Pathology, Graduate School of Medicine, Ehime University Graduate School of Medicine, 454 Shitsukawa, Toon, Ehime, 791-0295, Japan.
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18
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Ganesan R, Rasool M. Interleukin 17 regulates SHP-2 and IL-17RA/STAT-3 dependent Cyr61, IL-23 and GM-CSF expression and RANKL mediated osteoclastogenesis by fibroblast-like synoviocytes in rheumatoid arthritis. Mol Immunol 2017; 91:134-144. [PMID: 28898718 DOI: 10.1016/j.molimm.2017.09.003] [Citation(s) in RCA: 44] [Impact Index Per Article: 6.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/11/2017] [Revised: 08/30/2017] [Accepted: 09/01/2017] [Indexed: 01/08/2023]
Abstract
Interleukin (IL)-17 predominately produced by the Th17 cells, plays a crucial role in the fibroblast-like synoviocytes (FLS) mediated disease process of rheumatoid arthritis (RA). IL-17 exerts its pathogenic effects in RA-FLS by IL-17/IL-17RA/STAT-3 signaling. Recent studies have shown that RA-FLS produces SHP-2, Cyr61, IL-23, GM-CSF and RANKL which results in worsening of the disease. However, whether IL-17/IL-17RA/STAT-3 signaling regulates SHP-2, Cyr61, IL-23, GM-CSF and RANKL expressions in RA-FLS remains unknown. In this study, IL-17 treatment dramatically induced the production of Cyr61, IL-23 and GM-CSF in FLS isolated from adjuvant induced arthritis (AA) rats. Conversely, IL-17 mediated production of Cyr61, IL-23 and GM-CSF was abrogated by knockdown of IL-17RA using a small interfering RNA or blockade of STAT-3 activation with S3I-201 in AA-FLS. Interestingly, IL-17 treatment noticeably increased the expression of IL-17RA and SHP-2 in AA-FLS. However, silencing of IL-17RA reversed the effect of IL-17 on the expression of IL-17RA and SHP-2 in AA-FLS. In addition, an increased number of TRAP-positive multinucleated cells were observed in a coculture system consisting of IL-17 treated AA-FLS and rat bone marrow derived monocytes/macrophages. Further, mechanistically we found that IL-17 upregulated RANKL expression in AA-FLS that was dependent on the IL-17/IL-17RA/STAT-3 signaling cascade. Knockdown of IL-17RA or inhibition of STAT-3 activation decreased the IL- 17 induced RANKL expression by AA-FLS and their osteoclastogenic potential. Taken together, our findings demonstrate that IL-17 regulates SHP-2 expression and IL-17RA/STAT-3 dependent production of Cyr61, IL-23, GM-CSF and RANKL in AA-FLS and may reveal a new insight into the pathogenesis of RA.
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Affiliation(s)
- Ramamoorthi Ganesan
- Immunopathology Lab, School of Bio Sciences and Technology, VIT University, Vellore 632 014, Tamilnadu, India
| | - Mahaboobkhan Rasool
- Immunopathology Lab, School of Bio Sciences and Technology, VIT University, Vellore 632 014, Tamilnadu, India.
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19
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Teng Y, Yin Z, Li J, Li K, Li X, Zhang Y. Adenovirus-mediated delivery of Sema3A alleviates rheumatoid arthritis in a serum-transfer induced mouse model. Oncotarget 2017; 8:66270-66280. [PMID: 29029510 PMCID: PMC5630410 DOI: 10.18632/oncotarget.19915] [Citation(s) in RCA: 26] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/18/2017] [Accepted: 06/28/2017] [Indexed: 12/26/2022] Open
Abstract
Rheumatoid arthritis is a chronic autoimmune disease characterized by infiltration of inflammatory cells into the synovium and destruction of cartilage and bone. Macrophages, fibroblast-like synoviocytes (FLS), and osteoclasts are critical cells driving the pathogenesis of RA. Semaphorin 3A (Sema3A) is recently identified as an essential player in the bone homeostasis, however its role in RA progression especially in the macrophage polarization are poorly understood. In the present study, we found that Sems3A levels were significantly decreased in RA serum and synovial fluid compared to OA controls. There was a negative correlation between Sema3A levels and RA severity. Using in vitro cell cultures, we showed for the first time that Sema3A promoted IL-4 induced M2 macrophage polarization, whereas prohibited LPS/IFN-γ induced M1 polarization. Sema3A inhibited VEGF-induced endothelial cells proliferation and migration, suppressed VEGF-mediated invasion and IL-6 production of FLS while stimulating their apoptosis. In addition, Sema3A retarded osteoclastogenesis. In vivo data demonstrated that Sema3A administration attenuated joint tissue damage and the severity of experimental arthritis. Our findings uncovered Sema3A as a promising diagnostic biomarker and novel prevention and treatment strategies in arthritis treatment.
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Affiliation(s)
- Yue Teng
- Center for Translational Medicine, The First Affiliated Hospital of Xi'an Jiaotong University, Xi'an, Shaanxi 710061, People's Republic of China
| | - Zhanhai Yin
- Department of Orthopaedics, The First Affiliated Hospital of Xi'an Jiaotong University, Xi'an, Shaanxi 710061, People's Republic of China
| | - Jing Li
- Center for Translational Medicine, The First Affiliated Hospital of Xi'an Jiaotong University, Xi'an, Shaanxi 710061, People's Republic of China
| | - Kun Li
- Clinical Laboratory, Shanxi Mineral Hospital, Xi'an, Shaanxi 710014, People's Republic of China
| | - Xu Li
- Center for Translational Medicine, The First Affiliated Hospital of Xi'an Jiaotong University, Xi'an, Shaanxi 710061, People's Republic of China
| | - Yan Zhang
- Center for Translational Medicine, The First Affiliated Hospital of Xi'an Jiaotong University, Xi'an, Shaanxi 710061, People's Republic of China
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20
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Cucu A, Shreder K, Kraft D, Rühle PF, Klein G, Thiel G, Frey B, Gaipl US, Fournier C. Decrease of Markers Related to Bone Erosion in Serum of Patients with Musculoskeletal Disorders after Serial Low-Dose Radon Spa Therapy. Front Immunol 2017; 8:882. [PMID: 28791026 PMCID: PMC5524779 DOI: 10.3389/fimmu.2017.00882] [Citation(s) in RCA: 26] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/15/2016] [Accepted: 07/11/2017] [Indexed: 12/29/2022] Open
Abstract
Musculoskeletal disorders (MSDs) are the most frequent cause of disability in Europe. Reduced mobility and quality of life of the patients are often associated with pain due to chronic inflammation. The inflammatory process, accompanied by a destruction of the cartilage and bone tissue, is discussed as a result of (A) the infiltration of immune cells into the joints, (B) an altered homeostasis of the joint cavity (synovium) with a critical role of bone remodeling cells, and (C) release of inflammatory factors including adipokines in the arthritic joint. In addition to the classical medication, low-dose radiation therapy using photons or radon spa treatments has shown to reduce pain and improve the mobility of the patients. However, the cellular and molecular mechanisms of anti-inflammatory effects of radon are yet poorly understood. We analyzed blood and serum samples from 32 patients, suffering from MSDs, who had been treated in the radon spa in Bad Steben (Germany). Before and after therapy, we measured the levels of markers related to bone metabolism (collagen fragments type-1, cartilage oligomeric matrix protein, receptor activator of NFκB ligand, and osteoprotegerin) in the serum of patients. In addition, adipokines related to inflammation (visfatin, leptin, resistin, and adiponectin) were analyzed. Some of these factors are known to correlate with disease activity. Since T cells play an important role in the progression of the disease, we further analyzed in blood samples the frequency of pro- and anti-inflammatory T cell subpopulations (CD4+IL17+ T cells and CD4+FoxP3+ regulatory T cells). Overall, we found a decrease of collagen fragments (CTX-I), indicating decreased bone resorption, presumably by osteoclasts, in the serum of MSD patients. We also observed reduced levels of visfatin and a consistent trend toward an increase of regulatory T cells in the peripheral blood, both indicating attenuation of inflammation. However, key proteins of bone metabolism were unchanged on a systemic level, suggesting that these factors act locally after radon spa therapy of patients with MSDs.
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Affiliation(s)
- Aljona Cucu
- GSI Helmholtz Center for Heavy Ion Research, Department of Biophysics, Darmstadt, Germany
| | - Kateryna Shreder
- GSI Helmholtz Center for Heavy Ion Research, Department of Biophysics, Darmstadt, Germany
| | - Daniela Kraft
- GSI Helmholtz Center for Heavy Ion Research, Department of Biophysics, Darmstadt, Germany
| | - Paul Friedrich Rühle
- Department of Radiation Oncology, Universitätklinikum Erlangen, Friedrich-Alexander-Universität Erlangen-Nürnberg, Erlangen, Germany
| | - Gerhart Klein
- Association for Spa Research and Medical Practice for Cardiology, Bad Steben, Germany
| | - Gerhard Thiel
- Membrane Biophysics Group, Department of Biology, Technical University Darmstadt, Darmstadt, Germany
| | - Benjamin Frey
- Department of Radiation Oncology, Universitätklinikum Erlangen, Friedrich-Alexander-Universität Erlangen-Nürnberg, Erlangen, Germany
| | - Udo S Gaipl
- Department of Radiation Oncology, Universitätklinikum Erlangen, Friedrich-Alexander-Universität Erlangen-Nürnberg, Erlangen, Germany
| | - Claudia Fournier
- GSI Helmholtz Center for Heavy Ion Research, Department of Biophysics, Darmstadt, Germany
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21
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Anti-osteoporotic effects of an antidepressant tianeptine on ovariectomized rats. Biomed Pharmacother 2017; 87:575-582. [DOI: 10.1016/j.biopha.2017.01.008] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/10/2016] [Revised: 01/01/2017] [Accepted: 01/01/2017] [Indexed: 11/23/2022] Open
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22
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Choe JY, Kim SK. Melittin inhibits osteoclast formation through the downregulation of the RANKL-RANK signaling pathway and the inhibition of interleukin-1β in murine macrophages. Int J Mol Med 2017; 39:539-548. [PMID: 28204822 PMCID: PMC5360391 DOI: 10.3892/ijmm.2017.2876] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/25/2015] [Accepted: 12/23/2016] [Indexed: 01/05/2023] Open
Abstract
Melittin is a major toxic component of bee venom (Apis mellifera). It is not known whether melittin is involved in bone metabolism and osteoclastogenesis. The aim of this study was to determine the role of melittin in the regulation of osteoclastogenesis. In vitro osteoclastogenesis assays were performed using mouse RAW 264.7 cells and bone marrow-derived macrophages (BMMs) treated with receptor activator of nuclear factor-κB ligand (RANKL) and macrophage colony-stimulating factor (M-CSF). Morphologic and functional analyses for osteoclast-like multinucleated cells (MNCs) were performed by tartrate-resistant acid phosphatase (TRAP) staining, F-actin staining and pit formation methods. The gene expression of TRAP, cathepsin K, matrix metalloproteinase-9 (MMP-9) and carbonic anhydrase II was measured by reverse transcription-quantitative PCR. The protein expression levels of mitogen-activated protein kinases (MAPKs), the p65 subunit of nuclear factor-κB (NF-κB), c-Fos, c-Jun, nuclear factor of activated T cells, cytoplasmic 1 (NFATc1), TNF receptor-associated factor-6 (TRAF6), and interleukin-1β (IL-1β) were assessed by western blot analysis. Melittin inhibited the mRNA expression of TRAP, cathepsin K, MMP-9 and carbonic anhydrase II in RANKL-stimulated RAW 264.7 cells. The increased protein expression of TRAF6, p-extracellular signal-regulated kinase (ERK), p-JNK, p-p65, p-c-Fos and NFATc1 induced by RANKL was significantly suppressed in the RAW 264.7 cells treated with melittin. A synergistic effect of IL-1β on the formation of RANKL-induced osteoclast-like MNCs was found in two experimental cells. The increased expression of IL-1β following the stimulation of RAW 264.7 cells with RANKL activated TRAF6, p-ERK, p-JNK, p-p65, p-c-Fos and NFATc1. These effects were attenuated by the downregulation of IL-1β using siRNA against IL-1β, and also by treatment with melittin. On the whole, the findings of this study demonstrate that melittin inhibits the formation of osteoclast-like MNCs by interfering with the RANKL-RANK signaling pathway.
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Affiliation(s)
- Jung-Yoon Choe
- Division of Rheumatology, Department of Internal Medicine, Arthritis and Autoimmunity Research Center, Catholic University of Daegu School of Medicine, Daegu, Republic of Korea
| | - Seong-Kyu Kim
- Division of Rheumatology, Department of Internal Medicine, Arthritis and Autoimmunity Research Center, Catholic University of Daegu School of Medicine, Daegu, Republic of Korea
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23
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Sharma J, Bhar S, Devi CS. A review on interleukins: The key manipulators in rheumatoid arthritis. Mod Rheumatol 2017; 27:723-746. [DOI: 10.1080/14397595.2016.1266071] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/21/2022]
Affiliation(s)
- Jatin Sharma
- School of Biosciences and Technology, VIT University, Vellore, India
| | - Sutonuka Bhar
- School of Biosciences and Technology, VIT University, Vellore, India
| | - C. Subathra Devi
- School of Biosciences and Technology, VIT University, Vellore, India
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24
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Han HM, Hong SH, Park HS, Jung JC, Kim JS, Lee YT, Lee EW, Choi YH, Kim BW, Kim CM, Kang KH. Protective effects of Fructus sophorae extract on collagen-induced arthritis in BALB/c mice. Exp Ther Med 2016; 13:146-154. [PMID: 28123483 PMCID: PMC5245053 DOI: 10.3892/etm.2016.3929] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/19/2015] [Accepted: 05/01/2016] [Indexed: 12/12/2022] Open
Abstract
Styphnolobium japonicum (L.) is utilized in Korean medicine for the treatment of various inflammatory diseases. The aim of the present study was to explore the effects of Fructus sophorae extract (FSE) isolated from the dried ripe fruit of S. japonicum (L.) on the development of type II collagen-induced arthritis (CIA) in BALB/c mice. The CIA mice were orally administered FSE or saline daily for 2 weeks. The incidence and severity of disease and the inflammatory response in the serum and the joint tissues were assessed. Macroscopic and histological investigation indicated that FSE protected against CIA development. FSE was associated with a significant reduction in the levels of total immunoglobulin G2a and proinflammatory cytokines and mediators in the serum. In addition, FSE suppressed the gene expression levels of proinflammatory cytokines and mediators, the mediator of osteoclastic bone remodeling, the receptor activator of nuclear factor κ-B ligand and matrix metalloproteinases in the joint tissues. The present results suggest that FSE may protect against inflammation and bone damage, and would be a valuable candidate for further investigation as a novel anti-arthritic agent.
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Affiliation(s)
- Hyoung-Min Han
- Department of Physiology, College of Korean Medicine, Dongeui University, Busan 614-851, Republic of Korea
| | - Su-Hyun Hong
- Department of Biochemistry, College of Korean Medicine, Dongeui University, Busan 614-851, Republic of Korea
| | - Heung-Sik Park
- NOVAREX Co., Ltd. Life Science R&D Institute, Ochang, Chungcheongbuk 363-885, Republic of Korea
| | - Jae-Chul Jung
- NOVAREX Co., Ltd. Life Science R&D Institute, Ochang, Chungcheongbuk 363-885, Republic of Korea
| | - Jong-Sik Kim
- Department of Anatomy, College of Medicine, Kosin University, Busan 602-703, Republic of Korea
| | - Yong-Tae Lee
- Department of Physiology, College of Korean Medicine, Dongeui University, Busan 614-851, Republic of Korea
| | - Eun-Woo Lee
- Anti-Aging Research Center and Blue-Bio Industry RIC, Dongeui University, Busan 614-714, Republic of Korea; Departments of Life Science and Biotechnology, Dongeui University, Busan 614-714, Republic of Korea
| | - Yung-Hyun Choi
- Department of Biochemistry, College of Korean Medicine, Dongeui University, Busan 614-851, Republic of Korea; Anti-Aging Research Center and Blue-Bio Industry RIC, Dongeui University, Busan 614-714, Republic of Korea
| | - Byung-Woo Kim
- Anti-Aging Research Center and Blue-Bio Industry RIC, Dongeui University, Busan 614-714, Republic of Korea; Departments of Life Science and Biotechnology, Dongeui University, Busan 614-714, Republic of Korea
| | - Cheol-Min Kim
- Research Center for Anti-Aging Technology Development, Busan 609-735, Republic of Korea; Department of Biochemistry, College of Medicine, Pusan National University, Yangsan, Gyeongsangnam 626-870, Republic of Korea
| | - Kyung-Hwa Kang
- Department of Physiology, College of Korean Medicine, Dongeui University, Busan 614-851, Republic of Korea
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Lerner UH. Inflammation-induced Bone Remodeling in Periodontal Disease and the Influence of Post-menopausal Osteoporosis. J Dent Res 2016; 85:596-607. [PMID: 16798858 DOI: 10.1177/154405910608500704] [Citation(s) in RCA: 184] [Impact Index Per Article: 23.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/16/2022] Open
Abstract
During physiological conditions, the skeleton is remodeled in so-called bone multi-cellular units. Such units have been estimated to exist at 1–2 x 106 sites in the adult skeleton. The number and activities of these units are regulated by a variety of hormones and cytokines. In post-menopausal osteoporosis, lack of estrogen leads to increased numbers of bone multi-cellular units and to uncoupling of bone formation and bone resorption, resulting in too little bone laid down by osteoblasts compared with the amount of bone resorbed by osteoclasts. Inflammatory processes in the vicinity of the skeleton, e.g., marginal and apical periodontitis, will affect the remodeling of the nearby bone tissue in such a way that, in most patients, the amount of bone resorbed exceeds that being formed, resulting in net bone loss (inflammation-induced osteolysis). In some patients, however, inflammation-induced bone formation exceeds resorption, and a sclerotic lesion will develop. The cellular and molecular pathogenetic mechanisms in inflammation-induced osteolysis and sclerosis are discussed in the present review. The cytokines believed to be involved in inflammation-induced remodeling are very similar to those suggested to play crucial roles in post-menopausal osteoporosis. In patients with periodontal disease and concomitant post-menopausal osteoporosis, the possibility exists that the lack of estrogen influences the activities of bone cells and immune cells in such a way that the progression of alveolar bone loss will be enhanced. In the present paper, the evidence for and against this hypothesis is presented.
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Affiliation(s)
- U H Lerner
- Department of Oral Cell Biology, Umeå University, Umeå SE-901 87, Sweden.
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Mochizuki T, Yano K, Ikari K, Kawakami K, Hiroshima R, Koenuma N, Ishibashi M, Shirahata T. Hip structure analysis by DXA of teriparatide treatment: A 24-month follow-up clinical study. J Orthop 2016; 13:414-8. [PMID: 27656075 DOI: 10.1016/j.jor.2016.09.001] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 07/11/2016] [Accepted: 09/02/2016] [Indexed: 10/21/2022] Open
Abstract
OBJECTIVE The objective of this study was to perform a hip structure analysis (HSA) of teriparatide (TPTD) treatment in women with postmenopausal osteoporosis. METHODS The study included 96 patients with postmenopausal osteoporosis and received 20 μg TPTD daily. HSA was performed by dual-energy X-ray absorptiometry. RESULTS The percent changes from baseline for the cross-sectional moment of inertia, section modulus, buckling ratio, and femoral strength index based on HSA results were 9.8% (p < 0.01), 10.7%, 3.3%, and 14.9% (p < 0.01), respectively, at 24 months. CONCLUSION Based on the HSA results obtained with DXA, TPTD was effective for hip structures.
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Affiliation(s)
- Takeshi Mochizuki
- Department of Rheumatology and Orthopaedic Surgery, Kamagaya General Hospital, Chiba, Japan
| | - Koichiro Yano
- Institute of Rheumatology, Tokyo Women's Medical University, Tokyo, Japan
| | - Katsunori Ikari
- Institute of Rheumatology, Tokyo Women's Medical University, Tokyo, Japan
| | - Kosei Kawakami
- Department of Rheumatology and Orthopaedic Surgery, Kamagaya General Hospital, Chiba, Japan
| | - Ryo Hiroshima
- Department of Rheumatology and Orthopaedic Surgery, Kamagaya General Hospital, Chiba, Japan
| | - Naoko Koenuma
- Department of Rheumatology and Orthopaedic Surgery, Kamagaya General Hospital, Chiba, Japan
| | - Mina Ishibashi
- Department of Rheumatology and Orthopaedic Surgery, Kamagaya General Hospital, Chiba, Japan
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Dietary Phytochemicals: Natural Swords Combating Inflammation and Oxidation-Mediated Degenerative Diseases. OXIDATIVE MEDICINE AND CELLULAR LONGEVITY 2016; 2016:5137431. [PMID: 27721914 PMCID: PMC5046019 DOI: 10.1155/2016/5137431] [Citation(s) in RCA: 73] [Impact Index Per Article: 9.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 05/13/2016] [Revised: 07/08/2016] [Accepted: 08/22/2016] [Indexed: 02/08/2023]
Abstract
Cumulatively, degenerative disease is one of the most fatal groups of diseases, and it contributes to the mortality and poor quality of life in the world while increasing the economic burden of the sufferers. Oxidative stress and inflammation are the major pathogenic causes of degenerative diseases such as rheumatoid arthritis (RA), diabetes mellitus (DM), and cardiovascular disease (CVD). Although a number of synthetic medications are used to treat these diseases, none of the current regimens are completely safe. Phytochemicals (polyphenols, carotenoids, anthocyanins, alkaloids, glycosides, saponins, and terpenes) from natural products such as dietary fruits, vegetables, and spices are potential sources of alternative medications to attenuate the oxidative stress and inflammation associated with degenerative diseases. Based on in vitro, in vivo, and clinical trials, some of these active compounds have shown good promise for development into novel agents for treating RA, DM, and CVD by targeting oxidative stress and inflammation. In this review, phytochemicals from natural products with the potential of ameliorating degenerative disease involving the bone, metabolism, and the heart are described.
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Keystone E, Alkhalaf A, Makkawy M. Subcutaneous abatacept in rheumatoid arthritis: current update. Expert Opin Biol Ther 2016; 15:1221-30. [PMID: 26160492 DOI: 10.1517/14712598.2015.1065248] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/05/2022]
Abstract
INTRODUCTION A number of biologic agents have been approved for the treatment of rheumatoid arthritis (RA). They have changed the landscape of therapy and demonstrate substantial efficacy with a good safety record. One of these agents is intravenous (i.v.) abatacept (ABA), which has a novel mechanism of action by selectively inhibiting the interaction between T- and antigen-presenting cells. Recently, ABA administered by subcutaneous (s.c.) injection has also been approved for use in RA. In this review, will focus in recent data published in this agent. AREAS COVERED This paper reviews Phase III clinical trials (ACQUIRE, ACCOMPANY, ALLOW, ATTUNE, AMPLE and AVERT) in terms of clinical efficacy including long-term efficacy, radiographic progression, safety and immunogenicity. EXPERT OPINION Given the current trend in biologic therapy to s.c. administration, the availability of both i.v. and s.c. ABA provides considerable advantage both to patients and physicians in this competitive environment. The clinical trials have shown comparable efficacy and safety of s.c. ABA to i.v. ABA and others biologics.
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Takahashi Y, Tanaka H, Nakai K, Kitami S, Murakami F, Morita T, Tanabe N, Kawato T, Maeno M. RANKL Induces IL-18 Binding Protein Expression in RAW264.7 Cells. J HARD TISSUE BIOL 2016. [DOI: 10.2485/jhtb.25.173] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/22/2022]
Affiliation(s)
| | - Hideki Tanaka
- Department of Oral Health Sciences, Nihon University School of Dentistry
- Division of Functional Morphology, Dental Research Center, Nihon University School of Dentistry
| | - Kumiko Nakai
- Department of Oral Health Sciences, Nihon University School of Dentistry
- Division of Functional Morphology, Dental Research Center, Nihon University School of Dentistry
| | - Satoshi Kitami
- Department of Oral Health Sciences, Nihon University School of Dentistry
| | | | - Toyoko Morita
- Department of Oral Health Sciences, Nihon University School of Dentistry
- The Lion Foundation for Dental Health
| | - Natsuko Tanabe
- Division of Functional Morphology, Dental Research Center, Nihon University School of Dentistry
- Department of Biochemistry, Nihon University School of Dentistry
| | - Takayuki Kawato
- Department of Oral Health Sciences, Nihon University School of Dentistry
- Division of Functional Morphology, Dental Research Center, Nihon University School of Dentistry
| | - Masao Maeno
- Department of Oral Health Sciences, Nihon University School of Dentistry
- Division of Functional Morphology, Dental Research Center, Nihon University School of Dentistry
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Monosodium Urate in the Presence of RANKL Promotes Osteoclast Formation through Activation of c-Jun N-Terminal Kinase. Mediators Inflamm 2015; 2015:597512. [PMID: 26347587 PMCID: PMC4549559 DOI: 10.1155/2015/597512] [Citation(s) in RCA: 14] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/13/2015] [Accepted: 07/14/2015] [Indexed: 12/12/2022] Open
Abstract
The aim of this study was to clarify the role of monosodium urate (MSU) crystals in receptor activator of nuclear factor kB ligand- (RANKL-) RANK-induced osteoclast formation. RAW 264.7 murine macrophage cells were incubated with MSU crystals or RANKL and differentiated into osteoclast-like cells as confirmed by staining for tartrate-resistant acid phosphatase (TRAP) and actin ring, pit formation assay, and TRAP activity assay. MSU crystals in the presence of RANKL augmented osteoclast differentiation, with enhanced mRNA expression of NFATc1, cathepsin K, carbonic anhydrase II, and matrix metalloproteinase-9 (MMP-9), in comparison to RAW 264.7 macrophages incubated in the presence of RANKL alone. Treatment with both MSU crystals and RANKL induced osteoclast differentiation by activating downstream molecules in the RANKL-RANK pathway including tumor necrosis factor receptor-associated factor 6 (TRAF-6), JNK, c-Jun, and NFATc1. IL-1b produced in response to treatment with both MSU and RANKL is involved in osteoclast differentiation in part through the induction of TRAF-6 downstream of the IL-1b pathway. This study revealed that MSU crystals contribute to enhanced osteoclast formation through activation of RANKL-mediated pathways and recruitment of IL-1b. These findings suggest that MSU crystals might be a pathologic causative agent of bone destruction in gout.
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The antidepressant bupropion exerts alleviating properties in an ovariectomized osteoporotic rat model. Acta Pharmacol Sin 2015; 36:209-20. [PMID: 25544359 DOI: 10.1038/aps.2014.111] [Citation(s) in RCA: 27] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/02/2014] [Accepted: 08/20/2014] [Indexed: 02/06/2023] Open
Abstract
AIM Depression is a risk factor for impaired bone mass and micro-architecture, but several antidepressants were found to increase the incidence of osteoporotic fractures. In the present study we used ovariectomized (OVX) rats as a model of osteoporosis to investigate the effects of the antidepressant bupropion on the femoral bones. METHODS OVX animals were treated with bupropion (30, 60 mg·kg(-1)·d(-1)) for six weeks. Bone turnover biomarkers (urinary DPD/Cr ratio, serum BALP, OC, TRAcP 5b, CTX and sRANKL levels) and inflammatory cytokines (TNF-α, IL-1β and IL-6) were determined using ELISA. Inductively coupled plasma mass spectroscopy (ICP-MS) was used to determine the femoral bone mineral concentrations. The cortical and trabecular morphometric parameters of femoral bones were determined using micro-CT scan and histopathology. RESULTS In OVX rats, the levels of bone turnover biomarkers and inflammatory cytokines were significantly elevated and femoral bone Ca(2+) and PO4(3-) concentrations were significantly reduced. Moreover, cortical and trabecular morphometric parameters and histopathology of femoral bones were severely altered by ovariectomy. Bupropion dose-dependently inhibited the increases in bone turnover biomarkers and inflammatory cytokines. OVX rats treated with the high dose of bupropion showed normal mineral concentrations in femoral bones. The altered morphometric parameters and histopathology of femoral bones were markedly attenuated by the treatment. CONCLUSION Bupropion exerts osteo-protective action in OVX rats through suppressing osteoclastogenesis-inducing factors and inflammation, which stabilize the osteoclasts and decrease bone matrix degradation or resorption.
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Molnár I, Bohaty I, Somogyiné-Vári É. IL-17A-mediated sRANK ligand elevation involved in postmenopausal osteoporosis. Osteoporos Int 2014; 25:783-6. [PMID: 24337660 DOI: 10.1007/s00198-013-2548-6] [Citation(s) in RCA: 28] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 08/08/2013] [Accepted: 10/02/2013] [Indexed: 01/05/2023]
Abstract
UNLABELLED The role of proinflammatory IL-17 cytokine was studied in postmenopausal bone loss between 31 osteopenic and 41 osteoporotic women. The effect of serum IL-17A, soluble receptor activator of NF-κB (sRANK) ligand, and osteoprotegerin (OPG) levels on lumbar bone mineral densities was measured. The results demonstrated an increased IL-17A-mediated sRANK ligand elevation in postmenopausal osteoporotic bone loss. INTRODUCTION IL-17 proinflammatory cytokine is a new inducer of bone loss. Postmenopausal osteoporosis represents a cross talk between estrogen deprivation and increased immune reactivity. The role of IL-17 was studied in the bone loss of postmenopausal osteoporosis. METHODS Serum IL-17A, sRANK ligand, and OPG levels were investigated on bone mineral densities (BMDs) in the total lumbar (L1-L4) region in 18 pre- and 72 postmenopausal women. IL-17A, sRANK ligand, OPG levels, and BMDs were measured with enzyme-linked immunosorbent assay (ELISA) and dual-energy X-ray absorptiometry (DXA). RESULTS Increased serum IL-17A, sRANK ligand, and OPG levels were demonstrated in postmenopausal osteoporotic women compared to osteopenic women (3.65 ± 0.61 vs 3.31 ± 0.43 ng/ml for IL-17A, P < 0.007; 2.88 ± 0.84 vs 2.49 ± 0.61 ng/ml for sRANK ligand, P < 0.027; and 1.43 ± 0.07 vs 1.39 ± 0.07 ng/ml for OPG, P < 0.038). In postmenopausal women, IL-17A levels correlated inversely with total lumbar BMDs (P < 0.008, r = -0.279) and positively with sRANK ligand levels (P < 0.0001, r = 0.387) or the ratio of sRANK ligand and OPG (P < 0.013, r = 0.261), but did not with OPG levels alone. CONCLUSION Increased IL-17A levels are involved in postmenopausal osteoporosis, playing a role in the bone-resorpting processes.
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Affiliation(s)
- I Molnár
- Immunoendocrinology and Osteoporosis Centre, EndoMed, Bem tér 18/C, 4026, Debrecen, Hungary,
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Chen XY, Wang ZC, Li J, Liu XL, Sun YH. Regulation of synoviocyte activity by resveratrol in rats with adjuvant arthritis. Exp Ther Med 2013; 6:172-176. [PMID: 23935741 PMCID: PMC3735719 DOI: 10.3892/etm.2013.1078] [Citation(s) in RCA: 14] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/26/2013] [Accepted: 04/08/2013] [Indexed: 11/16/2022] Open
Abstract
The aim of this study was to investigate the preventive effects of resveratrol (Res) on rats with adjuvant arthritis (AA) and the mechanism(s) of action. An AA model was established by injection of Freund’s complete adjuvant (FCA). Vascular endothelial growth factor (VEGF) was visualized in joint specimens using immunohistochemistry. IL-1β and TNF-α production in synoviocytes was determined by radioimmunoassay (RIA). The mRNA expression of IL-1β and TNF-α was observed in synoviocytes using the reverse transcription (RT)-PCR method. The synoviocytes of the AA model were stimulated by Res or treated with the protein kinase C (PKC) inhibitor chelerythrine prior to stimulation. The expression of phosphorylated ERK1/2 (p-ERK1/2) was detected by western blotting. Res was able to reduce the elevated levels of IL-1β and TNF-α, and inhibit the mRNA expression of IL-1β and TNF-α in the synoviocytes of the AA model rats. VEGF expression in the Res-treated group was significantly lowered. The protein expression levels of p-ERK1/2 were significantly higher in the Res-treated group compared with those of the model group, while p-ERK1/2 was markedly lower in the group pretreated with chelerythrine. Res has a therapeutic effect on AA rats, which may be correlated with its immunoregulatory actions, and may activate p-ERK1/2 in synoviocytes via PKC.
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Affiliation(s)
- Xiao-Yu Chen
- Department of Histology and Embryology, Anhui Medical University, Hefei, Anhui 230032
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Abuohashish HM, Al-Rejaie SS, Al-Hosaini KA, Parmar MY, Ahmed MM. Alleviating effects of morin against experimentally-induced diabetic osteopenia. Diabetol Metab Syndr 2013; 5:5. [PMID: 23384060 PMCID: PMC3582624 DOI: 10.1186/1758-5996-5-5] [Citation(s) in RCA: 51] [Impact Index Per Article: 4.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 11/13/2012] [Accepted: 01/21/2013] [Indexed: 11/10/2022] Open
Abstract
BACKGROUND Plant flavonoids are emerging as potent therapeutic drugs effective against a wide range of aging diseases particularly bone metabolic disorders. Morin (3,5,7,20,40-pentahydroxyflavone), a member of flavonols, is an important bioactive compound by interacting with nucleic acids, enzymes and protein. The present study was designed to investigate the putative beneficial effect of morin on diabetic osteopenia in rats. METHODS Streptozotocin (STZ)-induced diabetic model was used by considering 300 mg/dl fasting glucose level as diabetic. Morin (15 and 30 mg/kg) was treated for five consecutive weeks to diabetic rats. Serum levels of glucose, insulin, deoxypyridinoline cross links (DPD), osteocalcin (OC), bone specific alkaline phosphatase (BALP), telopeptides of collagen type I (CTX), interleukin 1 beta (IL-1β), interleukin 6 (IL-6), tumor necrosis factor alpha (TNF-α), thiobarbituric acid reactive substance (TBARS) and reduced glutathione (GSH) were estimated. Femoral bones were taken for micro CT scan to measure trabecular bone mineral density (BMD) and other morphometric parameters. RESULTS Significant bone loss was documented as the level of bone turnover parameters including DPD, OC, BALP and CTX were increased in serum of diabetic rats. Morin treatment significantly attenuated these elevated levels. Bone micro-CT scan of diabetic rats showed a significant impairment in trabecular bone microarchitecture, density and other morphometric parameters. These impairments were significantly ameliorated by morin administration. Serum levels of glucose, TBARS, IL-1β, IL-6 and TNF-α were significantly elevated, while the level of insulin and GSH was decreased in diabetic rats. These serum changes in diabetic rats were bring back to normal values after 5 weeks morin treatment. CONCLUSION These findings revealed the protective effect of morin against diabetic induced osteopenia. We believed that this effect is through its both the anti-inflammatory and antioxidant properties.
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Affiliation(s)
- Hatem M Abuohashish
- Department of Pharmacology and Toxicology, College of Pharmacy, King Saud University, P.O. Box 2457, Riyadh, 11451, Saudi Arabia
- Experimental Animal Care Center, College of Pharmacy, King Saud University, P.O. Box 2457, Riyadh, 11451, Saudi Arabia
| | - Salim S Al-Rejaie
- Department of Pharmacology and Toxicology, College of Pharmacy, King Saud University, P.O. Box 2457, Riyadh, 11451, Saudi Arabia
| | - Khaled A Al-Hosaini
- Department of Pharmacology and Toxicology, College of Pharmacy, King Saud University, P.O. Box 2457, Riyadh, 11451, Saudi Arabia
| | - Mihir Y Parmar
- Department of Pharmacology and Toxicology, College of Pharmacy, King Saud University, P.O. Box 2457, Riyadh, 11451, Saudi Arabia
| | - Mohammed M Ahmed
- Department of Pharmacology and Toxicology, College of Pharmacy, King Saud University, P.O. Box 2457, Riyadh, 11451, Saudi Arabia
- Experimental Animal Care Center, College of Pharmacy, King Saud University, P.O. Box 2457, Riyadh, 11451, Saudi Arabia
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Martínez-Calatrava MJ, Prieto-Potín I, Roman-Blas JA, Tardio L, Largo R, Herrero-Beaumont G. RANKL synthesized by articular chondrocytes contributes to juxta-articular bone loss in chronic arthritis. Arthritis Res Ther 2012; 14:R149. [PMID: 22709525 PMCID: PMC3446534 DOI: 10.1186/ar3884] [Citation(s) in RCA: 42] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/18/2012] [Revised: 05/13/2012] [Accepted: 06/18/2012] [Indexed: 12/20/2022] Open
Abstract
INTRODUCTION The receptor activator nuclear factor-kappaB ligand (RANKL) diffuses from articular cartilage to subchondral bone. However, the role of chondrocyte-synthesized RANKL in rheumatoid arthritis-associated juxta-articular bone loss has not yet been explored. This study aimed to determine whether RANKL produced by chondrocytes induces osteoclastogenesis and juxta-articular bone loss associated with chronic arthritis. METHODS Chronic antigen-induced arthritis (AIA) was induced in New Zealand (NZ) rabbits. Osteoarthritis (OA) and control groups were simultaneously studied. Dual X-ray absorptiometry of subchondral knee bone was performed before sacrifice. Histological analysis and protein expression of RANKL and osteoprotegerin (OPG) were evaluated in joint tissues. Co-cultures of human OA articular chondrocytes with peripheral blood mononuclear cells (PBMCs) from healthy donors were stimulated with macrophage-colony stimulating factor (M-CSF) and prostaglandin E2 (PGE2), then further stained with tartrate-resistant acid phosphatase. RESULTS Subchondral bone loss was confirmed in AIA rabbits when compared with controls. The expression of RANKL, OPG and RANKL/OPG ratio in cartilage were increased in AIA compared to control animals, although this pattern was not seen in synovium. Furthermore, RANKL expression and RANKL/OPG ratio were inversely related to subchondral bone mineral density. RANKL expression was observed throughout all cartilage zones of rabbits and was specially increased in the calcified cartilage of AIA animals. Co-cultures demonstrated that PGE2-stimulated human chondrocytes, which produce RANKL, also induce osteoclasts differentiation from PBMCs. CONCLUSIONS Chondrocyte-synthesized RANKL may contribute to the development of juxta-articular osteoporosis associated with chronic arthritis, by enhancing osteoclastogenesis. These results point out a new mechanism of bone loss in patients with rheumatoid arthritis.
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Affiliation(s)
- Maria J Martínez-Calatrava
- Bone and Joint Research Unit, Service of Rheumatology, IIS Fundación Jiménez D237;az, Universidad Autónoma, Av. Reyes Católicos 2, 28040, Madrid, Spain
| | - Ivan Prieto-Potín
- Bone and Joint Research Unit, Service of Rheumatology, IIS Fundación Jiménez D237;az, Universidad Autónoma, Av. Reyes Católicos 2, 28040, Madrid, Spain
| | - Jorge A Roman-Blas
- Bone and Joint Research Unit, Service of Rheumatology, IIS Fundación Jiménez D237;az, Universidad Autónoma, Av. Reyes Católicos 2, 28040, Madrid, Spain
| | - Lidia Tardio
- Bone and Joint Research Unit, Service of Rheumatology, IIS Fundación Jiménez D237;az, Universidad Autónoma, Av. Reyes Católicos 2, 28040, Madrid, Spain
| | - Raquel Largo
- Bone and Joint Research Unit, Service of Rheumatology, IIS Fundación Jiménez D237;az, Universidad Autónoma, Av. Reyes Católicos 2, 28040, Madrid, Spain
| | - Gabriel Herrero-Beaumont
- Bone and Joint Research Unit, Service of Rheumatology, IIS Fundación Jiménez D237;az, Universidad Autónoma, Av. Reyes Católicos 2, 28040, Madrid, Spain
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Abstract
Osteoarticular brucellosis is the most common presentation of the active disease in humans. Loss of bone is a serious complication of localized bacterial infection of bones or the adjacent tissue, and brucellosis proved not to be the exception. The skeleton is a dynamic organ system which is constantly remodeled. Osteoblasts are responsible for the deposition of bone matrix and are thought to facilitate the calcification and mineralization of the bone matrix, and their function could be altered under infectious conditions. In this article, we describe immune mechanisms whereby Brucella abortus may invade and replicate within osteoblasts, inducing apoptosis, inhibiting mineral and organic matrix deposition, and inducing upregulation of RANKL expression. Additionally, all of these mechanisms contributed in different ways to bone loss. These processes implicate the activation of signaling pathways (mitogen-activated protein kinases [MAPK] and caspases) involved in cytokine secretion, expression of activating molecules, and cell death of osteoblasts. In addition, considering the relevance of macrophages in intracellular Brucella survival and proinflammatory cytokine secretion in response to infection, we also investigated the role of these cells as modulators of osteoblast survival, differentiation, and function. We demonstrated that supernatants from B. abortus-infected macrophages may also mediate osteoblast apoptosis and inhibit osteoblast function in a process that is dependent on the presence of tumor necrosis factor alpha (TNF-α). These results indicate that B. abortus may directly and indirectly harm osteoblast function, contributing to the bone and joint destruction observed in patients with osteoarticular complications of brucellosis.
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Kotake S, Yago T, Kawamoto M, Nanke Y. Role of osteoclasts and interleukin-17 in the pathogenesis of rheumatoid arthritis: crucial 'human osteoclastology'. J Bone Miner Metab 2012; 30:125-35. [PMID: 21960179 DOI: 10.1007/s00774-011-0321-5] [Citation(s) in RCA: 52] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 05/02/2011] [Accepted: 09/01/2011] [Indexed: 01/29/2023]
Abstract
Many papers have reported that osteoclasts play an important role in the pathogenesis of rheumatoid arthritis (RA); however, when we started to investigate the pathogenesis of RA, the roles of osteoclasts were not highlighted in RA bone resorption. In recent years, the number of articles on the roles of osteoclasts and interleukin (IL)-17 in the pathogenesis of RA has increased exponentially. In this review article, we describe our articles on the roles of osteoclasts and IL-17 in joint destruction in RA, from 1990 to 2011, and highlight a novel term, 'human osteoclastology', which we have used since 2008.
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Affiliation(s)
- Shigeru Kotake
- Institute of Rheumatology, Tokyo Women's Medical University, 10-22 Kawada-cho, Shinjuku-ku, Tokyo, 162-0054, Japan.
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Takeshita H, Kitano M, Iwasaki T, Kitano S, Tsunemi S, Sato C, Sekiguchi M, Azuma N, Miyazawa K, Hla T, Sano H. Sphingosine 1-phosphate (S1P)/S1P receptor 1 signaling regulates receptor activator of NF-κB ligand (RANKL) expression in rheumatoid arthritis. Biochem Biophys Res Commun 2012; 419:154-9. [PMID: 22326262 DOI: 10.1016/j.bbrc.2012.01.103] [Citation(s) in RCA: 31] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/11/2012] [Accepted: 01/21/2012] [Indexed: 12/28/2022]
Abstract
Sphingosine 1-phosphate (S1P)/S1P receptor 1 (S1P1) signaling plays an important role in synovial cell proliferation and inflammatory gene expression by rheumatoid arthritis (RA) synoviocytes. The purpose of this study is to clarify the role of S1P/S1P1 signaling in the expression of receptor activator of NF-κB ligand (RANKL) in RA synoviocytes and CD4(+) T cells. We demonstrated MH7A cells, a human RA synovial cell line, and CD4(+) T cells expressed S1P1 and RANKL. Surprisingly, S1P increased RANKL expression in MH7A cells and CD4(+) T cells in a dose-dependent manner. Moreover, S1P enhanced RANKL expression induced by stimulation with TNF-α in MH7A cells and CD4(+) T cells. These effects of S1P in MH7A cells were inhibited by pretreatment with PTX, a specific Gi/Go inhibitor. These findings suggest that S1P/S1P1 signaling may play an important role in RANKL expression by MH7A cells and CD4(+) T cells. S1P/S1P1 signaling of RA synoviocytes is closely connected with synovial hyperplasia, inflammation, and RANKL-induced osteoclastogenesis in RA. Thus, regulation of S1P/S1P1 signaling may become a novel therapeutic target for RA.
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Affiliation(s)
- Harunori Takeshita
- Division of Rheumatology, Department of Internal Medicine, Hyogo College of Medicine, 1-1 Mukogawa-cho, Nishinomiya, Hyogo 663-8501, Japan
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The role of T-cell leukemia translocation-associated gene protein in human tumorigenesis and osteoclastogenesis. J Biomed Biotechnol 2011; 2012:675317. [PMID: 22174563 PMCID: PMC3228289 DOI: 10.1155/2012/675317] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/01/2011] [Accepted: 09/29/2011] [Indexed: 11/30/2022] Open
Abstract
Synovial tissues of patients with rheumatoid arthritis (RA) include factors regulating bone resorption, such as receptor activator NF-κB ligand (RANKL), TNF-α, IL-6, IL-17, and IFN-γ. However, in addition to these cytokines, other factors expressed in synovial tissues may play a role in regulating bone resorption. In 2009, we demonstrated that novel peptides from T-cell leukemia translocation-associated gene (TCTA) protein expressed in synovial tissues from patients with RA inhibit human osteoclastogenesis, preventing cellular fusion via the interaction between TCTA protein and a putative counterpart molecule. Only a few studies on the role of TCTA protein have been reported. Genomic Southern blots demonstrated a reduced TCTA signal in three of four small cell lung cancer cell lines, suggesting the loss of one of the two copies of the gene. In the current paper, we reviewed the roles of TCTA protein in lung cancer cell lines and human osteoclastogenesis.
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Finzel S, Englbrecht M. [Psoriatic arthritis : a permanent challenge for rheumatologists and patients--Part 1: epidemiology, pathogenesis and clinical course]. Z Rheumatol 2011; 70:685-97. [PMID: 21912984 DOI: 10.1007/s00393-011-0860-0] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Abstract
Psoriatic arthritis is still one of the big challenges in rheumatology due to the great variety of symptoms. Treatment frequently requires an interdisciplinary collaboration of general practitioners, dermatologists and rheumatologists who are able to recognize the onset of disease early by means of classification criteria and new imaging techniques followed by the implementation of appropriate antirheumatic treatment. During recent years new immunological pathways have been discovered leading to an increasing number of potential therapies, which increases the chance to find effective individualized treatment. However, tracking back the onset of the disease to specific causes is still a challenge which is made even more complex due to the absence of specific serum parameters.
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Affiliation(s)
- S Finzel
- Medizinische Klinik III (Rheumatologie & Immunologie), Universitätsklinikum Erlangen, Ulmenweg 18, 91054, Erlangen, Deutschland.
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Costa-Rodrigues J, Fernandes MH. Paracrine-mediated differentiation and activation of human haematopoietic osteoclast precursor cells by skin and gingival fibroblasts. Cell Prolif 2011; 44:264-73. [PMID: 21535267 DOI: 10.1111/j.1365-2184.2011.00751.x] [Citation(s) in RCA: 15] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/27/2023] Open
Abstract
OBJECTIVE Fibroblasts appear to modulate osteoclastogenesis, but their precise role in this process remains unclear. In this work, paracrine-mediated osteoclastogenic potential of different human fibroblasts was assessed. MATERIALS AND METHODS Fibroblast-conditioned media (CM) from foetal skin (CM1), adult skin (CM2) and adult gingiva (CM3) were used to promote osteoclastogenesis of osteoclast precursor cells. Cultures supplemented with macrophage-colony stimulating factor (M-CSF) and receptor activator of nuclear factor-κB ligand (RANKL) were used as controls. RESULTS All fibroblast cultures expressed FSP-1, M-CSF and RANKL and produced osteoprotegerin (OPG); gingival fibroblasts presented lowest expression of osteoclastogenic genes and higher production of OPG. All fibroblast CM were able to induce osteoclastogenesis. CM1 showed behaviour similar to positive controls, and slightly higher osteoclastogenic potential than CM, from adult ones. Gingival fibroblasts revealed lowest osteoclastogenic ability. Presence of anti-MCSF or anti-RANKL partially inhibited osteoclastogenesis promoted by CM, although the former antibody revealed higher inhibitory response. Differences among the osteoclastogenic effect of CM were noted, mainly in expression of genes involved in differentiation and activation of osteoclast precursor cells, c-myc and c-src, and less regarding functional related parameters. CONCLUSIONS Fibroblasts are able to induce osteoclastogenesis by paracrine mechanisms, and age and anatomical location affect this ability. Other factors produced by fibroblasts, in addition to M-CSF and RANKL, appear to contribute to observed osteoclastogenic potential.
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Affiliation(s)
- J Costa-Rodrigues
- Laboratório de Farmacologia e Biocompatibilidade Celular, Faculdade de Medicina Dentária, Universidade do Porto, Porto, Portugal
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Abstract
The last several decades have revealed numerous interactions between cells of the hematopoietic lineage and osteoblasts (OBs) of the mesenchymal lineage. For example, OBs are important players in the hematopoietic stem cell (HSC) niche and OBs are known to impact osteoclast (OC) development. Thus, although much is known regarding the impact OBs have on hematopoietic cells, less is known about the impact of hematopoietic cells on OBs. Here we will review this reciprocal relationship: the effects of hematopoietic cells on OBs. Specifically, we will examine the impact of hematopoietic cells such as HSCs, lymphocytes, and megakaryocytes, as well as the hematopoietic cell-derived OCs on OB proliferation, differentiation, and function.
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Affiliation(s)
- Monique Bethel
- Department of Orthopaedic Surgery, Indiana University School of Medicine, 1120 South Drive, FH 115, Indianapolis, IN 46202, USA
| | - Edward F. Srour
- Departments of Medicine, Pediatrics, and Microbiology and Immunology, Herman B. Wells Center for Pediatric Research, Indiana University School of Medicine, 980 West Walnut Street, R3-C312, Indianapolis, IN 46202, USA
| | - Melissa A. Kacena
- Department of Orthopaedic Surgery, Indiana University School of Medicine, 1120 South Drive, FH 115, Indianapolis, IN 46202, USA
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Veerappan SG, O'Morain CA, Daly JS, Ryan BM. Review article: the effects of antitumour necrosis factor-α on bone metabolism in inflammatory bowel disease. Aliment Pharmacol Ther 2011; 33:1261-72. [PMID: 21521250 DOI: 10.1111/j.1365-2036.2011.04667.x] [Citation(s) in RCA: 49] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 12/14/2022]
Abstract
BACKGROUND Patients with inflammatory bowel disease (IBD) are at increased risk of osteoporosis. A number of studies have emerged in recent years indicating that tumour necrosis factor (TNF) blockade appears to have a beneficial effect on bone mineral density (BMD) in IBD patients. AIMS To provide a review of the available data regarding the effect of the currently licensed anti-TNF-α therapies on bone metabolism and BMD in IBD patients. METHODS A Medline search was performed using the search terms 'infliximab', 'bone metabolism', 'IBD', 'BMD', 'bone markers', 'adalimumab', 'bone disease', 'Crohn's disease' and 'ulcerative colitis'. RESULTS Infliximab has a beneficial effect on bone turnover markers in Crohn's disease (CD) patients in the short term. The longest study to date comprising 24 CD patients showed an overall improvement in two bone formation markers - b-alkaline phosphatase (P = 0.022) and osteocalcin (P = 0.008) at 4 months post-treatment. Moreover, the largest study to date comprising 71 CD patients showed significant improvement in sCTx, a bone resorption marker (P = 0.04) at week-8 post-treatment. There is little data looking at the effect of anti-TNF-α therapy on bone metabolism in ulcerative colitis. Moreover, the long-term effects of anti-TNF-α therapy on bone structure and fracture risk in IBD patients are currently not known. The effect of cessation of anti-TNF-α therapy on bone metabolism is also unknown. CONCLUSION Properly controlled long-term trials are needed to fully evaluate the impact of TNF blockade on bone mineral density.
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Affiliation(s)
- S G Veerappan
- Department of Gastroenterology, Adelaide & Meath Hospital, Tallaght, Dublin, Ireland.
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Isono M, Suzuki T, Hosono K, Hayashi I, Sakagami H, Uematsu S, Akira S, DeClerck YA, Okamoto H, Majima M. Microsomal prostaglandin E synthase-1 enhances bone cancer growth and bone cancer-related pain behaviors in mice. Life Sci 2011; 88:693-700. [PMID: 21324324 DOI: 10.1016/j.lfs.2011.02.008] [Citation(s) in RCA: 26] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/03/2010] [Revised: 01/17/2011] [Accepted: 01/28/2011] [Indexed: 11/19/2022]
Abstract
AIMS Nonsteroidal anti-inflammatory drugs are a therapeutic modality for chronic cancer pain arising from bone metastases. Chronic administration of a cyclooxygenase (COX)-2 inhibitor is effective to bone cancer-related pain. However, adverse cardiovascular effects have limited COX-2 inhibitor therapy, and elucidation of better targets for blocking prostaglandin (PG) biosynthesis is necessary. Microsomal PGE synthase-1 (mPGES-1) is an inducible enzyme that catalyzes isomerization of the endoperoxide PGH(2) to PGE(2). To investigate the validity of mPGES-1 as a therapeutic target, we evaluated bone cancer pain-related behaviors in mPGES-1 knockout (PGES-1-/-) mice. MAIN METHODS Lewis lung carcinoma cells (LLCCs) were injected into the intramedullary space of the femur of wild-type (WT) and PGES-1-/- mice. Pain-related behaviors were evaluated. KEY FINDINGS PGES-1-/- mice exhibited reduced tumor growth in bone marrow compared to WT. The expression of pro-calcitonin gene-related peptide (CGPR) in the dorsal root ganglia of L(1-5) was significantly higher in WT mice at day 14, whereas it was unchanged in mPGES-1 mice. In the observation of pain-related behaviors, mPGES-1-/- mice exhibited significantly fewer spontaneous flinches and their onset was several days later than WT. The appearance of other pain-related behaviors in mPGES-1-/- mice was also delayed as compared to WT. LLCC-injected WT mice treated with a COX-2 inhibitor, celecoxib, exhibited similar temporal changes to mPGES1-/-. SIGNIFICANCE The present results suggest that mPGES-1 plays a crucial role in the enhancement of bone cancer growth and bone cancer pain, and that inhibition of mPGES-1 may have clinical utility in the management of bone cancer pain.
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Affiliation(s)
- Masako Isono
- Department of Pharmacology, Kitasato University School of Medicine, Sagamihara, Kanagawa 228-8555, Japan
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Ito H, Yamada H, Shibata TN, Mitomi H, Nomoto S, Ozaki S. Dual role of interleukin-17 in pannus growth and osteoclastogenesis in rheumatoid arthritis. Arthritis Res Ther 2011; 13:R14. [PMID: 21294864 PMCID: PMC3241358 DOI: 10.1186/ar3238] [Citation(s) in RCA: 28] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/25/2010] [Revised: 12/31/2010] [Accepted: 02/04/2011] [Indexed: 12/20/2022] Open
Abstract
INTRODUCTION In a murine model, interleukin (IL)-17 plays a critical role in the pathogenesis of arthritis. There are controversies, however, regarding whether IL-17 is a proinflammatory mediator in rheumatoid arthritis (RA). We previously established an ex vivo cellular model using synovial tissue (ST)-derived inflammatory cells, which reproduced pannus-like tissue growth and osteoclastic activity in vitro. Using this model, we investigated the effects of IL-17 on pannus growth and osteoclastogenesis in RA. METHODS Inflammatory cells that infiltrated synovial tissue from patients with RA were collected without enzyme digestion and designated as ST-derived inflammatory cells. ST-derived inflammatory cells were cultured in the presence or absence of IL-17 or indomethacin, and the morphologic changes were observed for 4 weeks. Cytokines produced in the culture supernatants were measured by using enzyme-linked immunosorbent assay kits. Osteoclastic activity was assessed by the development of resorption pits in calcium phosphate-coated slides. RESULTS Exogenous addition of IL-17 dramatically enhanced the spontaneous production of IL-6 and prostaglandin E₂ (PGE₂) by the ST-derived inflammatory cells, while it had no effect on the production of tumor necrosis factor (TNF)-α and macrophage colony-stimulating factor (M-CSF). Furthermore, IL-17 did not affect the spontaneous development of pannus-like tissue growth and osteoclastic activity by the ST-derived inflammatory cells. On the other hand, IL-17 enhanced pannus-like tissue growth, the production of TNF-α and M-CSF and the development of osteoclastic activity in the presence of indomethacin, an inhibitor of endogenous prostanoid production, while exogenous addition of PGE₁ suppressed their activities. CONCLUSIONS The present study suggests that IL-17 induces negative feedback regulation through the induction of PGE₂, while it stimulates proinflammatory pathways such as inflammatory cytokine production, pannus growth and osteoclastogenesis in RA.
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Affiliation(s)
- Hiroshi Ito
- Division of Rheumatology and Allergology, Department of Internal Medicine, St, Marianna University School of Medicine, 2-16-1 Sugao, Miyamae-ku, Kawasaki 216-8511, Japan
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Dhawale R, Moreland LW. T-cell co-stimulation. Rheumatology (Oxford) 2011. [DOI: 10.1016/b978-0-323-06551-1.00058-0] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/28/2022] Open
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Jabbar S, Drury J, Fordham J, Datta HK, Francis RM, Tuck SP. Plasma vitamin D and cytokines in periodontal disease and postmenopausal osteoporosis. J Periodontal Res 2010; 46:97-104. [DOI: 10.1111/j.1600-0765.2010.01317.x] [Citation(s) in RCA: 38] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/26/2022]
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Kotake S, Yago T, Kawamoto M, Nanke Y. Effects of NSAIDs on Differentiation and Function of Human and Murine Osteoclasts - Crucial 'Human Osteoclastology'. Pharmaceuticals (Basel) 2010; 3:1394-1410. [PMID: 27713309 PMCID: PMC4033988 DOI: 10.3390/ph3051394] [Citation(s) in RCA: 17] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/01/2010] [Revised: 04/21/2010] [Accepted: 04/29/2010] [Indexed: 02/07/2023] Open
Abstract
Osteoclasts play a critical role in both normal bone metabolism and bone resorption in the joints of patients with rheumatoid arthritis. It has been reported that non-steroidal anti-inflammatory drugs (NSAIDs) inhibit murine osteoclastogenesis in vitro and murine arthritis models in vivo, but not the destruction of joints of patients with rheumatoid arthritis. In the current review article, we review the recent findings in the effect of NSAIDs on the formation and function of human and murine osteoclasts both in vitro and in vivo, underlining the importance of studies using human osteoclasts. Since 2009, we have suggested a novel term ‘human osteoclastology’.
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Affiliation(s)
- Shigeru Kotake
- Institute of Rheumatology, Tokyo Women's Medical University, 10-22 Kawada-cho, Shinjuku-ku, Tokyo 162-0054, Japan.
| | - Toru Yago
- Institute of Rheumatology, Tokyo Women's Medical University, 10-22 Kawada-cho, Shinjuku-ku, Tokyo 162-0054, Japan.
| | - Manabu Kawamoto
- Institute of Rheumatology, Tokyo Women's Medical University, 10-22 Kawada-cho, Shinjuku-ku, Tokyo 162-0054, Japan.
| | - Yuki Nanke
- Institute of Rheumatology, Tokyo Women's Medical University, 10-22 Kawada-cho, Shinjuku-ku, Tokyo 162-0054, Japan.
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Liu H, Bargouti M, Zughaier S, Zheng Z, Liu Y, Sangadala S, Boden SD, Titus L. Osteoinductive LIM mineralization protein-1 suppresses activation of NF-kappaB and selectively regulates MAPK pathways in pre-osteoclasts. Bone 2010; 46:1328-35. [PMID: 19931434 PMCID: PMC2854312 DOI: 10.1016/j.bone.2009.11.017] [Citation(s) in RCA: 15] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 08/03/2009] [Revised: 11/11/2009] [Accepted: 11/11/2009] [Indexed: 12/21/2022]
Abstract
LIM mineralization protein-1 (LMP-1) is an intracellular regulator of bone formation and has been shown to be osteoinductive in vitro and in vivo. The effect of LMP-1 on other aspects of bone homeostasis has not been previously studied. In a pilot study we observed that LMP-1 decreased nitric oxide (NO) production in pre-osteoclasts. Here we report a new anti-inflammatory effect of LMP-1 and define its mechanism of action in lipopolysaccharide (LPS)-stimulated RAW 264.7 pre-osteoclasts. We found that LMP-1 significantly inhibited LPS-induced NO production. LMP-1 also effectively inhibited the expression of inducible nitric oxide synthase (iNOS), potently suppressed the transcriptional activity and nuclear translocation of nuclear factor kappa B (NF-kappaB), and prevented the phosphorylation of inhibitor of kappa B (IkappaB). Interestingly, LMP-1 had no effect on Receptor-Activator of Nuclear Factor B Ligand (RANKL)-induced activation of NF-kappaB. Furthermore, LMP-1 had no effect on the LPS-induced phosphorylation of extracellular signal-regulated kinase 1/2 (ERK1/2), whereas it did attenuate the phosphorylation of c-Jun NH2-terminal kinase (JNK) while enhancing phosphorylation of p38 mitogen-activated protein kinases (p38 MAPK). These results suggest that LMP-1 has an anti-inflammatory effect, and this effect is, at least in part, due to the inhibition of NO production by the suppression of NF-kappaB activation and selective regulation of mitogen-activated protein kinase (MAPK) pathways.
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Affiliation(s)
- Hui Liu
- Department of Spine Surgery, The First Affiliated Hospital, Sun Yat-sen University, Guangzhou, 510080, China
- Atlanta Veteran Affairs Medical Center and Emory University School of Medicine, Decatur, Georgia, 30033
| | - Maggie Bargouti
- Atlanta Veteran Affairs Medical Center and Emory University School of Medicine, Decatur, Georgia, 30033
| | - Susu Zughaier
- Atlanta Veteran Affairs Medical Center and Emory University School of Medicine, Decatur, Georgia, 30033
| | - Zhaomin Zheng
- Department of Spine Surgery, The First Affiliated Hospital, Sun Yat-sen University, Guangzhou, 510080, China
| | - Yunshan Liu
- Atlanta Veteran Affairs Medical Center and Emory University School of Medicine, Decatur, Georgia, 30033
| | - Sreedhara Sangadala
- Atlanta Veteran Affairs Medical Center and Emory University School of Medicine, Decatur, Georgia, 30033
| | - Scott D. Boden
- Atlanta Veteran Affairs Medical Center and Emory University School of Medicine, Decatur, Georgia, 30033
| | - Louisa Titus
- Atlanta Veteran Affairs Medical Center and Emory University School of Medicine, Decatur, Georgia, 30033
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Chao CC, Chen SJ, Adamopoulos IE, Judo M, Asio A, Ayanoglu G, Bowman EP. Structural, cellular, and molecular evaluation of bone erosion in experimental models of rheumatoid arthritis: Assessment by μCT, histology, and serum biomarkers. Autoimmunity 2010; 43:642-53. [DOI: 10.3109/08916931003610992] [Citation(s) in RCA: 8] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/13/2022]
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