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de Oliveira G, de Andrade Rodrigues L, Souza da Silva AA, Gouvea LC, Silva RCL, Sasso-Cerri E, Cerri PS. Reduction of osteoclast formation and survival following suppression of cytokines by diacerein in periodontitis. Biomed Pharmacother 2024; 177:117086. [PMID: 39013222 DOI: 10.1016/j.biopha.2024.117086] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/23/2024] [Revised: 06/29/2024] [Accepted: 07/01/2024] [Indexed: 07/18/2024] Open
Abstract
Periodontitis causes an increase in several bioactive agents such as interleukins (IL), tumor necrosis factor (TNF)-α and receptor activator of NF-kB ligand (RANKL), which induce the osteoclast formation and activity. Since diacerein exerts anti-TNF-α and anti-IL-1 effects, alleviating bone destruction in osteoarthritis, we investigated whether this drug inhibits the formation and survival of osteoclast in the periodontitis. Rats were distributed into 3 groups: 1) group with periodontitis treated with 100 mg/kg diacerein (PDG), 2) group with periodontitis treated with saline (PSG) and group control (CG) without any treatment. After 7, 15 and 30 days, the maxillae were collected for light and transmission electron microscopy analyses. Gingiva samples were collected to evaluate the mRNA levels for Tnf, Il1b, Tnfsf11 and Tnfrsf11b by RT-qPCR. In PDG, the expression of Tnf and Il1b genes reduced significantly compared to PSG, except for Tnf expression at 7 days. The number of osteoclasts reduced significantly in the PDG in comparison with PSG at 7 and 15 days. In all periods, the IL-6 immunoexpression, RANKL/OPG immunoexpression and mRNA levels of Tnfsf11/Tnfrsf11b ratio were significantly lower in PDG than in PSG. PDG exhibited significantly higher frequency of TUNEL-positive osteoclasts than in PSG and CG at all time points. Osteoclasts with caspase-3-immunolabelled cytoplasm and nuclei with masses of condensed chromatin were observed in PDG, confirming osteoclast apoptosis. Diacerein inhibits osteoclastogenesis by decreasing Tnf and Il1b mRNA levels, resulting in decreased RANKL/OPG ratio, and induces apoptosis in osteoclasts of alveolar process of rat molars with periodontitis.
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Affiliation(s)
- Gabriella de Oliveira
- São Paulo State University (UNESP), School of Dentistry, Laboratory of Histology and Embryology, Department of Morphology, Genetics, Orthodontics and Pediatric Dentistry, Araraquara, SP, Brazil
| | - Lucas de Andrade Rodrigues
- São Paulo State University (UNESP), School of Dentistry, Laboratory of Histology and Embryology, Department of Morphology, Genetics, Orthodontics and Pediatric Dentistry, Araraquara, SP, Brazil
| | | | - Lays Cristina Gouvea
- São Paulo State University (UNESP), School of Dentistry, Laboratory of Histology and Embryology, Department of Morphology, Genetics, Orthodontics and Pediatric Dentistry, Araraquara, SP, Brazil
| | - Renata Cristina Lima Silva
- São Paulo State University (UNESP), School of Dentistry, Laboratory of Histology and Embryology, Department of Morphology, Genetics, Orthodontics and Pediatric Dentistry, Araraquara, SP, Brazil
| | - Estela Sasso-Cerri
- São Paulo State University (UNESP), School of Dentistry, Laboratory of Histology and Embryology, Department of Morphology, Genetics, Orthodontics and Pediatric Dentistry, Araraquara, SP, Brazil
| | - Paulo Sérgio Cerri
- São Paulo State University (UNESP), School of Dentistry, Laboratory of Histology and Embryology, Department of Morphology, Genetics, Orthodontics and Pediatric Dentistry, Araraquara, SP, Brazil.
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Ma H, Cai X, Hu J, Song S, Zhu Q, Zhang Y, Ma R, Shen D, Yang W, Zhou P, Zhang D, Luo Q, Hong J, Li N. Association of systemic inflammatory response index with bone mineral density, osteoporosis, and future fracture risk in elderly hypertensive patients. Postgrad Med 2024; 136:406-416. [PMID: 38753519 DOI: 10.1080/00325481.2024.2354158] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/01/2024] [Accepted: 05/08/2024] [Indexed: 05/18/2024]
Abstract
OBJECTIVES This study sought to investigate the relationship between the systemic inflammatory response index (SIRI) and bone mineral density (BMD), osteoporosis, and future fracture risk in elderly hypertensive patients. METHODS Elderly hypertensive patients (age ≥60 years) who attended our hospital between January 2021 and December 2023 and completed BMD screening were included in the study. Analyses were performed with multivariate logistic and linear regression. RESULTS The multiple linear regression indicated that SIRI levels were significantly negatively correlated with lumbar 1 BMD (β = -0.15, 95% CI: -0.24, -0.05), lumbar 2 BMD (β = -0.15, 95% CI: -0.24, -0.05), lumbar 3 BMD (β = -1.35, 95% CI: -0.23, -0.02), lumbar 4 BMD (β = -0.11, 95% CI: -0.30, -0.10), femur neck BMD (β = -0.11, 95% CI: -0.18, -0.05) and Ward's triangle BMD (β = -0.12, 95% CI: -0.20, -0.05) among elderly hypertensive patients, after fully adjusting for confounders. Furthermore, we observed that SIRI was positively associated with future fracture risk in elderly hypertensive patients. Specifically, SIRI was associated with an increased risk of major osteoporotic fractures (β = 0.33) and hip fractures (β = 0.25). The logistic regression analysis indicated that there is an association between the SIRI level and an increased risk of osteoporosis (OR = 1.60, 95% CI = 1.37, 1.87), after fully adjusting for confounders. CONCLUSIONS Our findings indicate a potential association between SIRI and BMD, osteoporosis, and the risk of future fractures in elderly hypertensive patients. However, further studies are warranted to confirm these findings.
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Affiliation(s)
- Huimin Ma
- Hypertension Center of People's Hospital of Xinjiang Uygur Autonomous Region, Xinjiang Hypertension Institute, NHC Key Laboratory of Hypertension Clinical Research, Key Laboratory of Xinjiang Uygur Autonomous Region "Hypertension Research Laboratory", Xinjiang Clinical Medical Research Center for Hypertension (Cardio-Cerebrovascular) Diseases, Urumqi, China
| | - Xintian Cai
- Hypertension Center of People's Hospital of Xinjiang Uygur Autonomous Region, Xinjiang Hypertension Institute, NHC Key Laboratory of Hypertension Clinical Research, Key Laboratory of Xinjiang Uygur Autonomous Region "Hypertension Research Laboratory", Xinjiang Clinical Medical Research Center for Hypertension (Cardio-Cerebrovascular) Diseases, Urumqi, China
| | - Junli Hu
- Hypertension Center of People's Hospital of Xinjiang Uygur Autonomous Region, Xinjiang Hypertension Institute, NHC Key Laboratory of Hypertension Clinical Research, Key Laboratory of Xinjiang Uygur Autonomous Region "Hypertension Research Laboratory", Xinjiang Clinical Medical Research Center for Hypertension (Cardio-Cerebrovascular) Diseases, Urumqi, China
| | - Shuaiwei Song
- Hypertension Center of People's Hospital of Xinjiang Uygur Autonomous Region, Xinjiang Hypertension Institute, NHC Key Laboratory of Hypertension Clinical Research, Key Laboratory of Xinjiang Uygur Autonomous Region "Hypertension Research Laboratory", Xinjiang Clinical Medical Research Center for Hypertension (Cardio-Cerebrovascular) Diseases, Urumqi, China
| | - Qing Zhu
- Hypertension Center of People's Hospital of Xinjiang Uygur Autonomous Region, Xinjiang Hypertension Institute, NHC Key Laboratory of Hypertension Clinical Research, Key Laboratory of Xinjiang Uygur Autonomous Region "Hypertension Research Laboratory", Xinjiang Clinical Medical Research Center for Hypertension (Cardio-Cerebrovascular) Diseases, Urumqi, China
| | - Yingying Zhang
- Hypertension Center of People's Hospital of Xinjiang Uygur Autonomous Region, Xinjiang Hypertension Institute, NHC Key Laboratory of Hypertension Clinical Research, Key Laboratory of Xinjiang Uygur Autonomous Region "Hypertension Research Laboratory", Xinjiang Clinical Medical Research Center for Hypertension (Cardio-Cerebrovascular) Diseases, Urumqi, China
| | - Rui Ma
- Hypertension Center of People's Hospital of Xinjiang Uygur Autonomous Region, Xinjiang Hypertension Institute, NHC Key Laboratory of Hypertension Clinical Research, Key Laboratory of Xinjiang Uygur Autonomous Region "Hypertension Research Laboratory", Xinjiang Clinical Medical Research Center for Hypertension (Cardio-Cerebrovascular) Diseases, Urumqi, China
| | - Di Shen
- Hypertension Center of People's Hospital of Xinjiang Uygur Autonomous Region, Xinjiang Hypertension Institute, NHC Key Laboratory of Hypertension Clinical Research, Key Laboratory of Xinjiang Uygur Autonomous Region "Hypertension Research Laboratory", Xinjiang Clinical Medical Research Center for Hypertension (Cardio-Cerebrovascular) Diseases, Urumqi, China
| | - Wenbo Yang
- Hypertension Center of People's Hospital of Xinjiang Uygur Autonomous Region, Xinjiang Hypertension Institute, NHC Key Laboratory of Hypertension Clinical Research, Key Laboratory of Xinjiang Uygur Autonomous Region "Hypertension Research Laboratory", Xinjiang Clinical Medical Research Center for Hypertension (Cardio-Cerebrovascular) Diseases, Urumqi, China
| | - Pan Zhou
- Hypertension Center of People's Hospital of Xinjiang Uygur Autonomous Region, Xinjiang Hypertension Institute, NHC Key Laboratory of Hypertension Clinical Research, Key Laboratory of Xinjiang Uygur Autonomous Region "Hypertension Research Laboratory", Xinjiang Clinical Medical Research Center for Hypertension (Cardio-Cerebrovascular) Diseases, Urumqi, China
| | - Delian Zhang
- Hypertension Center of People's Hospital of Xinjiang Uygur Autonomous Region, Xinjiang Hypertension Institute, NHC Key Laboratory of Hypertension Clinical Research, Key Laboratory of Xinjiang Uygur Autonomous Region "Hypertension Research Laboratory", Xinjiang Clinical Medical Research Center for Hypertension (Cardio-Cerebrovascular) Diseases, Urumqi, China
| | - Qin Luo
- Hypertension Center of People's Hospital of Xinjiang Uygur Autonomous Region, Xinjiang Hypertension Institute, NHC Key Laboratory of Hypertension Clinical Research, Key Laboratory of Xinjiang Uygur Autonomous Region "Hypertension Research Laboratory", Xinjiang Clinical Medical Research Center for Hypertension (Cardio-Cerebrovascular) Diseases, Urumqi, China
| | - Jing Hong
- Hypertension Center of People's Hospital of Xinjiang Uygur Autonomous Region, Xinjiang Hypertension Institute, NHC Key Laboratory of Hypertension Clinical Research, Key Laboratory of Xinjiang Uygur Autonomous Region "Hypertension Research Laboratory", Xinjiang Clinical Medical Research Center for Hypertension (Cardio-Cerebrovascular) Diseases, Urumqi, China
| | - Nanfang Li
- Hypertension Center of People's Hospital of Xinjiang Uygur Autonomous Region, Xinjiang Hypertension Institute, NHC Key Laboratory of Hypertension Clinical Research, Key Laboratory of Xinjiang Uygur Autonomous Region "Hypertension Research Laboratory", Xinjiang Clinical Medical Research Center for Hypertension (Cardio-Cerebrovascular) Diseases, Urumqi, China
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Luo S, Li Z, Liu L, Zhao J, Ge W, Zhang K, Zhou Z, Liu Y. Static magnetic field-induced IL-6 secretion in periodontal ligament stem cells accelerates orthodontic tooth movement. Sci Rep 2024; 14:9851. [PMID: 38684732 PMCID: PMC11059396 DOI: 10.1038/s41598-024-60621-6] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/02/2024] [Accepted: 04/25/2024] [Indexed: 05/02/2024] Open
Abstract
Static magnetic field (SMF) promoting bone tissue remodeling is a potential non-invasive therapy technique to accelerate orthodontic tooth movement (OTM). The periodontal ligament stem cells (PDLSCs), which are mechanosensitive cells, are essential for force-induced bone remodeling and OTM. However, whether and how the PDLSCs influence the process of inflammatory bone remodeling under mechanical force stimuli in the presence of SMFs remains unclear. In this study, we found that local SMF stimulation significantly enhanced the OTM distance and induced osteoclastogenesis on the compression side of a rat model of OTM. Further experiments with macrophages cultured with supernatants from force-loaded PDLSCs exposed to an SMF showed enhanced osteoclast formation. RNA-seq analysis showed that interleukin-6 (IL-6) was elevated in force-loaded PDLSCs exposed to SMFs. IL-6 expression was also elevated on the pressure side of a rat OTM model with an SMF. The OTM distance induced by an SMF was significantly decreased after injection of the IL-6 inhibitor tocilizumab. These results imply that SMF promotes osteoclastogenesis by inducing force-loaded PDLSCs to secrete the inflammatory cytokine IL-6, which accelerates OTM. This will help to reveal the mechanism of SMF accelerates tooth movement and should be evaluated for application in periodontitis patients.
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Affiliation(s)
- Shitong Luo
- Department of Orthodontics, School and Hospital of Stomatology, Kunming Medical University, 1088 Middle Haiyuan Road, High-Tech Zone, Kunming, 650106, Yunnan, China
- Yunnan Key Laboratory of Stomatology, Kunming, 650106, China
- Department of Orthodontics, Suining Central Hospital, Suining, 629000, China
| | - Zhilian Li
- Department of Orthodontics, School and Hospital of Stomatology, Kunming Medical University, 1088 Middle Haiyuan Road, High-Tech Zone, Kunming, 650106, Yunnan, China
- Yunnan Key Laboratory of Stomatology, Kunming, 650106, China
| | - Lizhiyi Liu
- Department of Orthodontics, School and Hospital of Stomatology, Kunming Medical University, 1088 Middle Haiyuan Road, High-Tech Zone, Kunming, 650106, Yunnan, China
- Yunnan Key Laboratory of Stomatology, Kunming, 650106, China
| | - Juan Zhao
- Department of Pathology, Suining Central Hospital, Suining, 629000, China
| | - Wenbin Ge
- Department of Orthodontics, School and Hospital of Stomatology, Kunming Medical University, 1088 Middle Haiyuan Road, High-Tech Zone, Kunming, 650106, Yunnan, China
- Yunnan Key Laboratory of Stomatology, Kunming, 650106, China
| | - Kun Zhang
- Department of Orthodontics, School and Hospital of Stomatology, Kunming Medical University, 1088 Middle Haiyuan Road, High-Tech Zone, Kunming, 650106, Yunnan, China
- Yunnan Key Laboratory of Stomatology, Kunming, 650106, China
| | - Zhi Zhou
- Department of Orthodontics, Affiliated Hospital of Yunnan University, Yunnan University, 176 Qingnian Road, Wuhua District, Kunming, 650021, Yunnan, China.
| | - Yali Liu
- Department of Orthodontics, School and Hospital of Stomatology, Kunming Medical University, 1088 Middle Haiyuan Road, High-Tech Zone, Kunming, 650106, Yunnan, China.
- Yunnan Key Laboratory of Stomatology, Kunming, 650106, China.
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Wang X, Li H, Long L, Song C, Chen R, Pan H, Qiu J, Liu B, Liu Z. Mechanism of Liuwei Dihuang Pills in treating osteoporosis based on network pharmacology. Medicine (Baltimore) 2023; 102:e34773. [PMID: 37861542 PMCID: PMC10589576 DOI: 10.1097/md.0000000000034773] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 04/20/2023] [Accepted: 07/25/2023] [Indexed: 10/21/2023] Open
Abstract
Osteoporosis is a prevalent age-related disease that poses a significant public health concern as the population continues to age. While current treatments have shown some therapeutic benefits, their long-term clinical efficacy is limited by a lack of stable curative effects and significant adverse effects. Traditional Chinese Medicine has gained attention due to its positive curative effects and fewer side effects. Liuwei Dihuang Pill has been found to enhance bone mineral density in patients with osteoporosis and rats, but the underlying mechanism is not yet clear. To shed more light on this problem, this study aims to explore the pharmacological mechanism of Liuwei Dihuang Pill in treating osteoporosis using network pharmacology and molecular docking. The findings indicate that Liuwei Dihuang Pills treat osteoporosis through various targets and channels. Specifically, it mainly involves TNF, IL17, and HIF-1 signaling pathways and helps regulate biological processes such as angiogenesis, apoptosis, hypoxia, and gene expression. Furthermore, molecular docking demonstrates excellent binding properties between the drug components and key targets. Therefore, this study offers a theoretical foundation for understanding the pharmacological mechanism and clinical application of Liuwei Dihuang Pills in treating osteoporosis more comprehensively.
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Affiliation(s)
- Xiqoqiang Wang
- Department of Orthopedics and Traumatology (Trauma and Bone-setting), The Affiliated Hospital of Traditional Chinese Medicine of Southwest Medical University, Luzhou, China
| | - Hongtao Li
- Spinal Surgery Department, The Affiliated Traditional Chinese Medicine Hospital of Southwest Medical University, Luzhou, China
| | - Longhai Long
- Spinal Surgery Department, The Affiliated Traditional Chinese Medicine Hospital of Southwest Medical University, Luzhou, China
| | - Chao Song
- Department of Orthopedics and Traumatology (Trauma and Bone-setting), The Affiliated Hospital of Traditional Chinese Medicine of Southwest Medical University, Luzhou, China
| | - Rui Chen
- Department of Orthopedics and Traumatology (Trauma and Bone-setting), The Affiliated Hospital of Traditional Chinese Medicine of Southwest Medical University, Luzhou, China
| | - Hongyu Pan
- Spinal Surgery Department, The Affiliated Traditional Chinese Medicine Hospital of Southwest Medical University, Luzhou, China
| | - Junjie Qiu
- Department of Orthopedics and Traumatology (Trauma and Bone-setting), The Affiliated Hospital of Traditional Chinese Medicine of Southwest Medical University, Luzhou, China
| | - Bing Liu
- Department of Orthopedics and Traumatology (Trauma and Bone-setting), The Affiliated Hospital of Traditional Chinese Medicine of Southwest Medical University, Luzhou, China
| | - Zongchao Liu
- Department of Orthopedics and Traumatology (Trauma and Bone-setting), The Affiliated Hospital of Traditional Chinese Medicine of Southwest Medical University, Luzhou, China
- Luzhou Longmatan District People’s Hospital, Luzhou, China
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Orsini F, Crotti C, Cincinelli G, Di Taranto R, Amati A, Ferrito M, Varenna M, Caporali R. Bone Involvement in Rheumatoid Arthritis and Spondyloartritis: An Updated Review. BIOLOGY 2023; 12:1320. [PMID: 37887030 PMCID: PMC10604370 DOI: 10.3390/biology12101320] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/11/2023] [Revised: 10/02/2023] [Accepted: 10/06/2023] [Indexed: 10/28/2023]
Abstract
Several rheumatologic diseases are primarily distinguished by their involvement of bone tissue, which not only serves as a mere target of the condition but often plays a pivotal role in its pathogenesis. This scenario is particularly prominent in chronic inflammatory arthritis such as rheumatoid arthritis (RA) and spondyloarthritis (SpA). Given the immunological and systemic nature of these diseases, in this review, we report an overview of the pathogenic mechanisms underlying specific bone involvement, focusing on the complex interactions that occur between bone tissue's own cells and the molecular and cellular actors of the immune system, a recent and fascinating field of interest defined as osteoimmunology. Specifically, we comprehensively elaborate on the distinct pathogenic mechanisms of bone erosion seen in both rheumatoid arthritis and spondyloarthritis, as well as the characteristic process of aberrant bone formation observed in spondyloarthritis. Lastly, chronic inflammatory arthritis leads to systemic bone involvement, resulting in systemic bone loss and consequent osteoporosis, along with increased skeletal fragility.
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Affiliation(s)
- Francesco Orsini
- Department of Clinical Sciences and Community Health, Università degli Studi di Milano, 20122 Milan, Italy (A.A.)
- Department of Rheumatology and Medical Sciences, ASST G.Pini-CTO, 20122 Milan, Italy
| | - Chiara Crotti
- Bone Diseases Unit, Department of Rheumatology and Medical Sciences, ASST G.Pini-CTO, 20122 Milan, Italy
| | - Gilberto Cincinelli
- Department of Clinical Sciences and Community Health, Università degli Studi di Milano, 20122 Milan, Italy (A.A.)
- Department of Rheumatology and Medical Sciences, ASST G.Pini-CTO, 20122 Milan, Italy
| | - Raffaele Di Taranto
- Department of Clinical Sciences and Community Health, Università degli Studi di Milano, 20122 Milan, Italy (A.A.)
- Department of Rheumatology and Medical Sciences, ASST G.Pini-CTO, 20122 Milan, Italy
| | - Andrea Amati
- Department of Clinical Sciences and Community Health, Università degli Studi di Milano, 20122 Milan, Italy (A.A.)
- Department of Rheumatology and Medical Sciences, ASST G.Pini-CTO, 20122 Milan, Italy
| | - Matteo Ferrito
- Department of Clinical Sciences and Community Health, Università degli Studi di Milano, 20122 Milan, Italy (A.A.)
- Department of Rheumatology and Medical Sciences, ASST G.Pini-CTO, 20122 Milan, Italy
| | - Massimo Varenna
- Bone Diseases Unit, Department of Rheumatology and Medical Sciences, ASST G.Pini-CTO, 20122 Milan, Italy
| | - Roberto Caporali
- Department of Clinical Sciences and Community Health, Università degli Studi di Milano, 20122 Milan, Italy (A.A.)
- Department of Rheumatology and Medical Sciences, ASST G.Pini-CTO, 20122 Milan, Italy
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Cellular and Molecular Mechanisms Associating Obesity to Bone Loss. Cells 2023; 12:cells12040521. [PMID: 36831188 PMCID: PMC9954309 DOI: 10.3390/cells12040521] [Citation(s) in RCA: 4] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/18/2022] [Revised: 02/01/2023] [Accepted: 02/03/2023] [Indexed: 02/08/2023] Open
Abstract
Obesity is an alarming disease that favors the upset of other illnesses and enhances mortality. It is spreading fast worldwide may affect more than 1 billion people by 2030. The imbalance between excessive food ingestion and less energy expenditure leads to pathological adipose tissue expansion, characterized by increased production of proinflammatory mediators with harmful interferences in the whole organism. Bone tissue is one of those target tissues in obesity. Bone is a mineralized connective tissue that is constantly renewed to maintain its mechanical properties. Osteoblasts are responsible for extracellular matrix synthesis, while osteoclasts resorb damaged bone, and the osteocytes have a regulatory role in this process, releasing growth factors and other proteins. A balanced activity among these actors is necessary for healthy bone remodeling. In obesity, several mechanisms may trigger incorrect remodeling, increasing bone resorption to the detriment of bone formation rates. Thus, excessive weight gain may represent higher bone fragility and fracture risk. This review highlights recent insights on the central mechanisms related to obesity-associated abnormal bone. Publications from the last ten years have shown that the main molecular mechanisms associated with obesity and bone loss involve: proinflammatory adipokines and osteokines production, oxidative stress, non-coding RNA interference, insulin resistance, and changes in gut microbiota. The data collection unveils new targets for prevention and putative therapeutic tools against unbalancing bone metabolism during obesity.
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Exploring the role of exosomes in rheumatoid arthritis. Inflammopharmacology 2023; 31:119-128. [PMID: 36414831 DOI: 10.1007/s10787-022-01100-0] [Citation(s) in RCA: 3] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/07/2022] [Accepted: 11/04/2022] [Indexed: 11/23/2022]
Abstract
In prosperous countries, autoimmune illnesses affect minimum 7% of the community. Rheumatoid Arthritis (RA) as an autoimmune illness is thought to be induced through a variety of genomic, physiological, and biological factors. Many experts in the field of nanomedicine have looked to stem cells as a viable strategy to repair human tissue; however, exosomes have demonstrated greater potential in recent years. Exosomes, produced from stem cells in particular, have exhibited a high propensity to give therapeutic effects. To resist local cellular stress, they are secreted in a paracrine manner from cells. As a result, exosomes produced from stem cells can provide enormous health uses. If treatment is not given, autoantibodies produce synovial inflammation and arthritis, which can lead to chronic inflammation, and impairment. Exosomes could be administered for the treatment of RA, by acting as therapeutic vectors. Exosomes are murine extracellular vesicles that influence biological mechanisms and signal transduction by transporting genetic and protein components. Diseases like RA and bone fractures could be treated using cell-free therapeutic strategies if exosomes could be isolated from stem cells efficiently and packaged with specific restorative substances. To get to this position, many breakthroughs must be achieved, and the following review summarises the most recent developments in stem cell-derived exosomes, with a focus on the important literature on exosome dynamics in RA.
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The Influence of Nesfatin-1 on Bone Metabolism Markers Concentration, Densitometric, Tomographic and Mechanical Parameters of Skeletal System of Rats in the Conditions of Established Osteopenia. Animals (Basel) 2022; 12:ani12050654. [PMID: 35268222 PMCID: PMC8909152 DOI: 10.3390/ani12050654] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/23/2021] [Revised: 02/28/2022] [Accepted: 03/03/2022] [Indexed: 12/02/2022] Open
Abstract
Simple Summary Nesfatin-1 is an adipokine with little known effect on the skeletal system. In this study, we examined the effect of 8-wk administration of nesfatin-1 on densitometric, tomographic, and mechanical parameters of bones, as well as the concentration of bone metabolism markers in rats with experimentally induced established osteopenia. Abstract Our study aimed to evaluate the impact of nesfatin-1 administration on bone metabolism and properties in established osteopenia in ovariectomized female rats. In total, 21 female Wistar rats were assigned to two groups: sham-operated (SHAM, n = 7) and ovariectomized (OVA, n = 14). After 12 weeks of osteopenia induction in the OVA females, the animals were given i.p. physiological saline (OVA, n = 7) or 2 µg/kg body weight of nesfatin-1(NES, n = 7) for the next 8 weeks. The SHAM animals received physiological saline at the same time. Final body weight, total bone mineral density and content of the skeleton were estimated. Then, isolated femora and tibias were subjected to densitometric, tomographic, and mechanical tests. Bone metabolism markers, i.e., osteocalcin, bone specific alkaline phosphatase (bALP), and crosslinked N-terminal telopeptide of type I collagen (NTx) were determined in serum using an ELISA kit. Ovariectomy led to negative changes in bone metabolism associated with increased resorption, thus diminishing the densitometric, tomographic, and mechanical parameters. In turn, the administration of nesfatin-1 led to an increase in the value of the majority of the tested parameters of bones. The lowest bALP concentration and the highest NTx concentration were found in the OVA females. The bALP concentration was significantly higher after nesfatin-1 administration in comparison to the OVA rats. In conclusion, the results indicate that nesfatin-1 treatment limits bone loss, preserves bone architecture, and increases bone strength in condition of established osteopenia.
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Long-term foot outcomes following differential abatement of inflammation and osteoclastogenesis for active Charcot neuroarthropathy in diabetes mellitus. PLoS One 2021; 16:e0259224. [PMID: 34748565 PMCID: PMC8575293 DOI: 10.1371/journal.pone.0259224] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/11/2021] [Accepted: 10/18/2021] [Indexed: 11/19/2022] Open
Abstract
AIMS Inflammatory osteolysis is sine-qua-non of active Charcot neuroarthropathy (CN) causing decreased foot bone mineral density (BMD) and fractures. We aimed to explore the effect of anti-inflammatory or anti-resorptive agents for effect on foot bone mineral content (BMC) and consequent long-term outcomes of foot deformities, fractures and amputation. METHODS Forty-three patients with active CN (temperature difference >2°C from normal foot) were evaluated. Patients were off-loaded with total contact cast and randomized to receive either methylprednisolone (1gm) (group A), zoledronate (5mg) (group B) or placebo (100ml normal saline) (group C) once monthly infusion for three consecutive months. Change in foot BMC was assessed at 6 months or at remission and followed subsequently up to 4 years for the incidence of new-onset fracture, deformities, or CN recurrence. RESULTS Thirty-six participants (24 male, 12 female) were randomized (11 in group A, 12 group B, 13 group C). The mean age was 57.7± 9.9 years, duration of diabetes 12.3± 5.8 years and symptom duration 6.5± 2.8 weeks. BMC increased by 36% with zoledronate (p = 0.02) but reduced by 13% with methylprednisolone (p = 0.03) and 9% (p = 0.09) with placebo at remission. There were no incident foot fractures, however, two patients sustained ulcers, and 3 had new-onset or worsening deformities and none required amputation during 3.36 ± 0.89 years of follow-up. CONCLUSION Bisphosphonate for active CN is associated with an increase in foot bone mineral content as compared to decrease with steroids or total contact cast but long-term outcomes of foot deformities, ulceration and amputation are similar. TRIAL REGISTRATION ClinicalTrials.gov: NCT03289338.
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Gao X, Wu Q, Zhang X, Tian J, Liang D, Min Y, Lu J, Zhang X, Cui L, Xu B, Liu Y. Salvianolate Ameliorates Osteopenia and Improves Bone Quality in Prednisone-Treated Rheumatoid Arthritis Rats by Regulating RANKL/RANK/OPG Signaling. Front Pharmacol 2021; 12:710169. [PMID: 34552485 PMCID: PMC8450458 DOI: 10.3389/fphar.2021.710169] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/15/2021] [Accepted: 08/23/2021] [Indexed: 01/01/2023] Open
Abstract
Rheumatoid arthritis (RA) is closely associated with periarticular osteopenia and leads to a high risk of generalized osteoporosis. Although glucocorticoid (GC) treatment ameliorates joint degradation and manages inflammation in RA, GC application may induce further bone quality deterioration in RA patients. Current treatments for RA lack relevant strategies for the prevention and treatment of osteopenia in RA. In this study, we aimed to investigate whether salvianolate treatment ameliorated osteopenia in prednisone-treated RA rats. Lewis rats with collagen-induced arthritis (CIA) were administered prednisone (PDN) or PDN plus salvianolate (PDN+Sal) treatment for 90 days. The effects of Sal were investigated in PDN-treated CIA rats. To further evaluate the effects of Sal under inflammatory conditions, we investigated the effects of Sal treatment on the TNF-α-induced inflammatory response in MC3T3-E1 osteoblasts. Bone histomorphometry, bone mineral density (BMD), bone biomechanical properties, micro-computed tomography (micro-CT), immunohistochemistry, RT-PCR and western blot analyses were performed to evaluate the effects of Sal. The results demonstrated that RA induced bone loss and bone quality deterioration, with high bone turnover in CIA rats. PDN+Sal treatment significantly increased BMD and trabecular/cortical bone mass, suppressed inflammation, and improved bone biomechanical properties compared to CIA control and PDN treatment. PDN+Sal treatment significantly suppressed bone resorption and the RANKL and RANKL/OPG ratios compared to PDN. PDN+Sal and PDN treatment significantly inhibited TNF-α by 82 and 83%, respectively, and both suppressed inflammation in CIA rats. However, there was no significant difference between PDN+Sal and PDN treatment alone in regard to bone formation parameters or the management of inflammation and arthropathy. Sal significantly increased Osterix, OPN, and Col1a1 while decreasing RANKL, TRAF6, and TRAIL gene in TNF-α-induced MC3T3-E1 osteoblasts. Sal significantly increased Osterix, OPN and RUNX2 while decreasing NF-κB, TRAF6 and IL-1β protein in TNF-α-induced MC3T3-E1 osteoblasts. The results suggested that salvianolate treatment ameliorated osteopenia and improved bone quality in prednisone-treated RA rats, and the potential mechanism may be related to the regulation of the RANKL/RANK/OPG signaling pathway, TRAIL-TRAF6-NFκB signal axis, and downregulation of inflammatory cytokines. Salvianolate could be used as a promising supplemental therapeutic strategy to ameliorate osteopenia and improve bone quality in GC-treated RA patients.
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Affiliation(s)
- Xiang Gao
- Department of Pharmacology, Guangdong Key Laboratory for Research and Development of Natural Drug, Guangdong Medical University, Zhanjiang, China.,Stem Cell Research and Cellular Therapy Center, The Affiliated Hospital of Guangdong Medical University, Zhanjiang, China
| | - Qingyun Wu
- Department of Pharmacology, Guangdong Key Laboratory for Research and Development of Natural Drug, Guangdong Medical University, Zhanjiang, China.,Department of Pharmacy, Yangjiang People's Hospital, Yangjiang, China
| | - Xinle Zhang
- Department of Pharmacology, Guangdong Key Laboratory for Research and Development of Natural Drug, Guangdong Medical University, Zhanjiang, China
| | - Jia Tian
- Department of Pharmacology, Guangdong Key Laboratory for Research and Development of Natural Drug, Guangdong Medical University, Zhanjiang, China
| | - Dahong Liang
- Department of Pharmacology, Guangdong Key Laboratory for Research and Development of Natural Drug, Guangdong Medical University, Zhanjiang, China
| | - Yalin Min
- Department of Pharmacology, Guangdong Key Laboratory for Research and Development of Natural Drug, Guangdong Medical University, Zhanjiang, China
| | - Jiaqi Lu
- Department of Pharmacology, Guangdong Key Laboratory for Research and Development of Natural Drug, Guangdong Medical University, Zhanjiang, China
| | - Xuemei Zhang
- Department of Pharmacology, Guangdong Key Laboratory for Research and Development of Natural Drug, Guangdong Medical University, Zhanjiang, China
| | - Liao Cui
- Stem Cell Research and Cellular Therapy Center, The Affiliated Hospital of Guangdong Medical University, Zhanjiang, China
| | - Bilian Xu
- Department of Pharmacology, Guangdong Key Laboratory for Research and Development of Natural Drug, Guangdong Medical University, Zhanjiang, China
| | - Yanzhi Liu
- Department of Pharmacology, Guangdong Key Laboratory for Research and Development of Natural Drug, Guangdong Medical University, Zhanjiang, China.,Clinic Research Institute of Zhanjiang, Affiliated Central People's Hospital of Zhanjiang of Guangdong Medical University, Zhanjiang, China
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11
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De Martinis M, Allegra A, Sirufo MM, Tonacci A, Pioggia G, Raggiunti M, Ginaldi L, Gangemi S. Vitamin D Deficiency, Osteoporosis and Effect on Autoimmune Diseases and Hematopoiesis: A Review. Int J Mol Sci 2021; 22:ijms22168855. [PMID: 34445560 PMCID: PMC8396272 DOI: 10.3390/ijms22168855] [Citation(s) in RCA: 25] [Impact Index Per Article: 8.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/23/2021] [Revised: 08/13/2021] [Accepted: 08/16/2021] [Indexed: 12/30/2022] Open
Abstract
Vitamin D (VD) is essential for bone homeostasis, but it is also involved in pleiotropic effects on various organs and tissues. In adults, VD deficiency can cause or exacerbate osteoporosis and induce osteomalacia. However, every tissue and cell in the body has a VD receptor, including the brain, heart, stomach, pancreas, skin, gonads, and immune cells, and a deficiency may modify the function of these organs. Thus, the wide-ranging actions of VD help to explain why a reduction in VD amount has been correlated with numerous chronic diseases. In fact, VD deficiency increases the risk of osteoporosis and several other diseases and complications characterized by impaired bone metabolisms, such as autoimmune diseases, inflammatory bowel diseases, allergy, endocrinological diseases, hematological malignancies, and bone marrow transplantation. This review aims to investigate the link between VD deficiency, osteoporosis, and its concomitant diseases. Further epidemiological and mechanistic studies are necessary in order to ascertain the real role of hypovitaminosis in causing the reported diseases; however, adequate vitamin supplementation and restoration of metabolic normality could be useful for better management of these pathologies.
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Affiliation(s)
- Massimo De Martinis
- Department of Life, Health and Environmental Sciences, University of L’Aquila, 67100 L’Aquila, Italy; (M.D.M.); (M.M.S.); (M.R.); (L.G.)
- Allergy and Clinical Immunology Unit, Center for the Diagnosis and Treatment of Osteoporosis, AUSL 04 Teramo, 64100 Teramo, Italy
| | - Alessandro Allegra
- Department of Human Pathology in Adulthood and Childhood “Gaetano Barresi”, Division of Haematology, University of Messina, 98125 Messina, Italy
- Correspondence: ; Tel.: +39-0902-212-364
| | - Maria Maddalena Sirufo
- Department of Life, Health and Environmental Sciences, University of L’Aquila, 67100 L’Aquila, Italy; (M.D.M.); (M.M.S.); (M.R.); (L.G.)
- Allergy and Clinical Immunology Unit, Center for the Diagnosis and Treatment of Osteoporosis, AUSL 04 Teramo, 64100 Teramo, Italy
| | - Alessandro Tonacci
- Clinical Physiology Institute, National Research Council of Italy (IFC-CNR), 56124 Pisa, Italy;
| | - Giovanni Pioggia
- Institute for Biomedical Research and Innovation (IRIB), National Research Council of Italy (CNR), 98164 Messina, Italy;
| | - Martina Raggiunti
- Department of Life, Health and Environmental Sciences, University of L’Aquila, 67100 L’Aquila, Italy; (M.D.M.); (M.M.S.); (M.R.); (L.G.)
- Allergy and Clinical Immunology Unit, Center for the Diagnosis and Treatment of Osteoporosis, AUSL 04 Teramo, 64100 Teramo, Italy
| | - Lia Ginaldi
- Department of Life, Health and Environmental Sciences, University of L’Aquila, 67100 L’Aquila, Italy; (M.D.M.); (M.M.S.); (M.R.); (L.G.)
- Allergy and Clinical Immunology Unit, Center for the Diagnosis and Treatment of Osteoporosis, AUSL 04 Teramo, 64100 Teramo, Italy
| | - Sebastiano Gangemi
- Department of Clinical and Experimental Medicine, School and Operative Unit of Allergy and Clinical Immunology, University of Messina, 98125 Messina, Italy;
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12
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Guo HH, Xiong L, Pan JX, Lee D, Liu K, Ren X, Wang B, Yang X, Cui S, Mei L, Xiong WC. Hepcidin contributes to Swedish mutant APP-induced osteoclastogenesis and trabecular bone loss. Bone Res 2021; 9:31. [PMID: 34108442 PMCID: PMC8190093 DOI: 10.1038/s41413-021-00146-0] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/09/2020] [Revised: 12/17/2020] [Accepted: 01/05/2021] [Indexed: 02/08/2023] Open
Abstract
Patients with Alzheimer's disease (AD) often have lower bone mass than healthy individuals. However, the mechanisms underlying this change remain elusive. Previously, we found that Tg2576 mice, an AD animal model that ubiquitously expresses Swedish mutant amyloid precursor protein (APPswe), shows osteoporotic changes, reduced bone formation, and increased bone resorption. To understand how bone deficits develop in Tg2576 mice, we used a multiplex antibody array to screen for serum proteins that are altered in Tg2576 mice and identified hepcidin, a master regulator of iron homeostasis. We further investigated hepcidin's function in bone homeostasis and found that hepcidin levels were increased not only in the serum but also in the liver, muscle, and osteoblast (OB) lineage cells in Tg2576 mice at both the mRNA and protein levels. We then generated mice selectively expressing hepcidin in hepatocytes or OB lineage cells, which showed trabecular bone loss and increased osteoclast (OC)-mediated bone resorption. Further cell studies suggested that hepcidin increased OC precursor proliferation and differentiation by downregulating ferroportin (FPN) expression and increasing intracellular iron levels. In OB lineage cells, APPswe enhanced hepcidin expression by inducing ER stress and increasing OC formation, in part through hepcidin. Together, these results suggest that increased hepcidin expression in hepatocytes and OB lineage cells in Tg2576 mice contributes to enhanced osteoclastogenesis and trabecular bone loss, identifying the hepcidin-FPN-iron axis as a potential therapeutic target to prevent AD-associated bone loss.
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Affiliation(s)
- Hao-Han Guo
- Department of Neurosciences, School of Medicine, Case Western Reserve University, Cleveland, OH, USA
| | - Lei Xiong
- Department of Neurosciences, School of Medicine, Case Western Reserve University, Cleveland, OH, USA
- Louis Stokes Cleveland Veterans Affairs Medical Center, Cleveland, OH, USA
| | - Jin-Xiu Pan
- Department of Neurosciences, School of Medicine, Case Western Reserve University, Cleveland, OH, USA
- Louis Stokes Cleveland Veterans Affairs Medical Center, Cleveland, OH, USA
| | - Daehoon Lee
- Department of Neurosciences, School of Medicine, Case Western Reserve University, Cleveland, OH, USA
| | - Kevin Liu
- Department of Neurosciences, School of Medicine, Case Western Reserve University, Cleveland, OH, USA
- Louis Stokes Cleveland Veterans Affairs Medical Center, Cleveland, OH, USA
| | - Xiao Ren
- Department of Neurosciences, School of Medicine, Case Western Reserve University, Cleveland, OH, USA
| | - Bo Wang
- Department of Neurosciences, School of Medicine, Case Western Reserve University, Cleveland, OH, USA
| | - Xiao Yang
- Department of Neuroscience and Regenerative Medicine, Medical College of Georgia, Augusta University, Augusta, GA, USA
| | - Shun Cui
- Department of Neuroscience and Regenerative Medicine, Medical College of Georgia, Augusta University, Augusta, GA, USA
| | - Lin Mei
- Department of Neurosciences, School of Medicine, Case Western Reserve University, Cleveland, OH, USA
- Louis Stokes Cleveland Veterans Affairs Medical Center, Cleveland, OH, USA
- Department of Neuroscience and Regenerative Medicine, Medical College of Georgia, Augusta University, Augusta, GA, USA
| | - Wen-Cheng Xiong
- Department of Neurosciences, School of Medicine, Case Western Reserve University, Cleveland, OH, USA.
- Louis Stokes Cleveland Veterans Affairs Medical Center, Cleveland, OH, USA.
- Department of Neuroscience and Regenerative Medicine, Medical College of Georgia, Augusta University, Augusta, GA, USA.
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13
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Yan F, Zhong Z, Wang Y, Feng Y, Mei Z, Li H, Chen X, Cai L, Li C. Exosome-based biomimetic nanoparticles targeted to inflamed joints for enhanced treatment of rheumatoid arthritis. J Nanobiotechnology 2020; 18:115. [PMID: 32819405 PMCID: PMC7441703 DOI: 10.1186/s12951-020-00675-6] [Citation(s) in RCA: 92] [Impact Index Per Article: 23.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/03/2020] [Accepted: 08/11/2020] [Indexed: 12/19/2022] Open
Abstract
BACKGROUND Glucocorticoids (GCs) show powerful treatment effect on rheumatoid arthritis (RA). However, the clinical application is limited by their nonspecific distribution after systemic administration, serious adverse reactions during long-term administration. To achieve better treatment, reduce side effect, we here established a biomimetic exosome (Exo) encapsulating dexamethasone sodium phosphate (Dex) nanoparticle (Exo/Dex), whose surface was modified with folic acid (FA)-polyethylene glycol (PEG)-cholesterol (Chol) compound to attain FPC-Exo/Dex active targeting drug delivery system. RESULTS The size of FPC-Exo/Dex was 128.43 ± 16.27 nm, with a polydispersity index (PDI) of 0.36 ± 0.05, and the Zeta potential was - 22.73 ± 0.91 mV. The encapsulation efficiency (EE) of the preparation was 10.26 ± 0.73%, with drug loading efficiency (DLE) of 18.81 ± 2.05%. In vitro study showed this system displayed enhanced endocytosis and excellent anti-inflammation effect against RAW264.7 cells by suppressing pro-inflammatory cytokines and increasing anti-inflammatory cytokine. Further biodistribution study showed the fluorescence intensity of FPC-Exo/Dex was stronger than other Dex formulations in joints, suggesting its enhanced accumulation to inflammation sites. In vivo biodistribution experiment displayed FPC-Exo/Dex could preserve the bone and cartilage of CIA mice better and significantly reduce inflamed joints. Next in vivo safety evaluation demonstrated this biomimetic drug delivery system had no obvious hepatotoxicity and exhibited desirable biocompatibility. CONCLUSION The present study provides a promising strategy for using exosome as nanocarrier to enhance the therapeutic effect of GCs against RA.
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Affiliation(s)
- Feili Yan
- Department of Pharmaceutical Sciences, School of Pharmacy, Southwest Medical University, 3-319 Zhongshan Road, 646000, Luzhou, Sichuan, People's Republic of China
| | - Zhirong Zhong
- Department of Pharmaceutical Sciences, School of Pharmacy, Southwest Medical University, 3-319 Zhongshan Road, 646000, Luzhou, Sichuan, People's Republic of China
| | - Yao Wang
- Department of Pharmaceutical Sciences, School of Pharmacy, Southwest Medical University, 3-319 Zhongshan Road, 646000, Luzhou, Sichuan, People's Republic of China
| | - Yue Feng
- Department of Nuclear Medicine, The Affiliated Hospital of Southwest Medical University, 3-319 Zhongshan Road, 646000, Luzhou, Sichuan, People's Republic of China
- Nuclear Medicine and Molecular Imaging Key Laboratory of Sichuan Province, 646000, Luzhou, Sichuan, China
| | - Zhiqiang Mei
- The Research Center for Preclinical Medicine, Southwest Medical University, 646000, Luzhou, Sichuan, China
| | - Hui Li
- Department of Pharmaceutical Sciences, School of Pharmacy, Southwest Medical University, 3-319 Zhongshan Road, 646000, Luzhou, Sichuan, People's Republic of China
| | - Xiang Chen
- Department of Pharmaceutical Sciences, School of Pharmacy, Southwest Medical University, 3-319 Zhongshan Road, 646000, Luzhou, Sichuan, People's Republic of China
| | - Liang Cai
- Department of Nuclear Medicine, The Affiliated Hospital of Southwest Medical University, 3-319 Zhongshan Road, 646000, Luzhou, Sichuan, People's Republic of China.
- Nuclear Medicine and Molecular Imaging Key Laboratory of Sichuan Province, 646000, Luzhou, Sichuan, China.
| | - Chunhong Li
- Department of Pharmaceutical Sciences, School of Pharmacy, Southwest Medical University, 3-319 Zhongshan Road, 646000, Luzhou, Sichuan, People's Republic of China.
- Engineering Research Center in Biomaterials, Sichuan University, 610064, Chengdu, Sichuan, People's Republic of China.
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14
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Sirufo MM, De Pietro F, Bassino EM, Ginaldi L, De Martinis M. Osteoporosis in Skin Diseases. Int J Mol Sci 2020; 21:E4749. [PMID: 32635380 PMCID: PMC7370296 DOI: 10.3390/ijms21134749] [Citation(s) in RCA: 28] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/01/2020] [Revised: 06/30/2020] [Accepted: 07/01/2020] [Indexed: 12/14/2022] Open
Abstract
Osteoporosis (OP) is defined as a generalized skeletal disease characterized by low bone mass and an alteration of the microarchitecture that lead to an increase in bone fragility and, therefore, an increased risk of fractures. It must be considered today as a true public health problem and the most widespread metabolic bone disease that affects more than 200 million people worldwide. Under physiological conditions, there is a balance between bone formation and bone resorption necessary for skeletal homeostasis. In pathological situations, this balance is altered in favor of osteoclast (OC)-mediated bone resorption. During chronic inflammation, the balance between bone formation and bone resorption may be considerably affected, contributing to a net prevalence of osteoclastogenesis. Skin diseases are the fourth cause of human disease in the world, affecting approximately one third of the world's population with a prevalence in elderly men. Inflammation and the various associated cytokine patterns are the basis of both osteoporosis and most skin pathologies. Moreover, dermatological patients also undergo local or systemic treatments with glucocorticoids and immunosuppressants that could increase the risk of osteoporosis. Therefore, particular attention should be paid to bone health in these patients. The purpose of the present review is to take stock of the knowledge in this still quite unexplored field, despite the frequency of such conditions in clinical practice.
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Affiliation(s)
- Maria Maddalena Sirufo
- Department of Life, Health and Environmental Sciences, University of L’Aquila, 67100 L’Aquila, Italy; (M.M.S.); (F.D.P.); (E.M.B.); (L.G.)
- Allergy and Clinical Immunology Unit, Center for the Diagnosis and Treatment of Osteoporosis, AUSL 04 64100 Teramo, Italy
| | - Francesca De Pietro
- Department of Life, Health and Environmental Sciences, University of L’Aquila, 67100 L’Aquila, Italy; (M.M.S.); (F.D.P.); (E.M.B.); (L.G.)
- Allergy and Clinical Immunology Unit, Center for the Diagnosis and Treatment of Osteoporosis, AUSL 04 64100 Teramo, Italy
| | - Enrica Maria Bassino
- Department of Life, Health and Environmental Sciences, University of L’Aquila, 67100 L’Aquila, Italy; (M.M.S.); (F.D.P.); (E.M.B.); (L.G.)
- Allergy and Clinical Immunology Unit, Center for the Diagnosis and Treatment of Osteoporosis, AUSL 04 64100 Teramo, Italy
| | - Lia Ginaldi
- Department of Life, Health and Environmental Sciences, University of L’Aquila, 67100 L’Aquila, Italy; (M.M.S.); (F.D.P.); (E.M.B.); (L.G.)
- Allergy and Clinical Immunology Unit, Center for the Diagnosis and Treatment of Osteoporosis, AUSL 04 64100 Teramo, Italy
| | - Massimo De Martinis
- Department of Life, Health and Environmental Sciences, University of L’Aquila, 67100 L’Aquila, Italy; (M.M.S.); (F.D.P.); (E.M.B.); (L.G.)
- Allergy and Clinical Immunology Unit, Center for the Diagnosis and Treatment of Osteoporosis, AUSL 04 64100 Teramo, Italy
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15
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Osteoporosis and Psoriasis. ACTAS DERMO-SIFILIOGRAFICAS 2019. [DOI: 10.1016/j.adengl.2019.07.003] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/19/2022] Open
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16
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Tiyasatkulkovit W, Promruk W, Rojviriya C, Pakawanit P, Chaimongkolnukul K, Kengkoom K, Teerapornpuntakit J, Panupinthu N, Charoenphandhu N. Impairment of bone microstructure and upregulation of osteoclastogenic markers in spontaneously hypertensive rats. Sci Rep 2019; 9:12293. [PMID: 31444374 PMCID: PMC6707260 DOI: 10.1038/s41598-019-48797-8] [Citation(s) in RCA: 20] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/01/2019] [Accepted: 08/13/2019] [Indexed: 12/12/2022] Open
Abstract
Hypertension and osteoporosis are the major non-communicable diseases in the elderly worldwide. Although clinical studies reported that hypertensive patients experienced significant bone loss and likelihood of fracture, the causal relationship between hypertension and osteoporosis has been elusive due to other confounding factors associated with these diseases. In this study, spontaneously hypertensive rats (SHR) were used to address this relationship and further explored the biophysical properties and the underlying mechanisms. Long bones of the hind limbs from 18-week-old female SHR were subjected to determination of bone mineral density (BMD) and their mechanical properties. Using synchrotron radiation X-ray tomographic microscopy (SRXTM), femoral heads of SHR displayed marked increase in porosity within trabecular area together with decrease in cortical thickness. The volumetric micro-computed tomography also demonstrated significant decreases in trabecular BMD, cortical thickness and total cross-sectional area of the long bones. These changes also led to susceptibility of the long bones to fracture indicated by marked decreases in yield load, stiffness and maximum load using three-point bending tests. At the cellular mechanism, an increase in the expression of osteoclastogenic markers with decrease in the expression of alkaline phosphatase was found in primary osteoblast-enriched cultures isolated from long bones of these SHR suggesting an imbalance in bone remodeling. Taken together, defective bone mass and strength in hypertensive rats were likely due to excessive bone resorption. Development of novel therapeutic interventions that concomitantly target hypertension and osteoporosis should be helpful in reduction of unwanted outcomes, such as bone fractures, in elderly patients.
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Affiliation(s)
- Wacharaporn Tiyasatkulkovit
- Department of Biology, Faculty of Science, Chulalongkorn University, Bangkok, 10330, Thailand.,Center of Calcium and Bone Research (COCAB), Faculty of Science, Mahidol University, Bangkok, 10400, Thailand
| | - Worachet Promruk
- Center of Calcium and Bone Research (COCAB), Faculty of Science, Mahidol University, Bangkok, 10400, Thailand.,Department of Physiology, Faculty of Science, Mahidol University, Bangkok, 10400, Thailand
| | - Catleya Rojviriya
- Synchrotron Light Research Institute (Public Organization), Nakhon Ratchasima, 30000, Thailand
| | - Phakkhananan Pakawanit
- Synchrotron Light Research Institute (Public Organization), Nakhon Ratchasima, 30000, Thailand
| | | | - Kanchana Kengkoom
- National Laboratory Animal Center, Mahidol University, Nakhon Pathom, 73170, Thailand
| | - Jarinthorn Teerapornpuntakit
- Center of Calcium and Bone Research (COCAB), Faculty of Science, Mahidol University, Bangkok, 10400, Thailand.,Department of Physiology, Faculty of Medical Science, Naresuan University, Phitsanulok, 65000, Thailand
| | - Nattapon Panupinthu
- Center of Calcium and Bone Research (COCAB), Faculty of Science, Mahidol University, Bangkok, 10400, Thailand.,Department of Physiology, Faculty of Science, Mahidol University, Bangkok, 10400, Thailand
| | - Narattaphol Charoenphandhu
- Center of Calcium and Bone Research (COCAB), Faculty of Science, Mahidol University, Bangkok, 10400, Thailand. .,Department of Physiology, Faculty of Science, Mahidol University, Bangkok, 10400, Thailand. .,Institute of Molecular Biosciences, Mahidol University, Nakhon Pathom, 73170, Thailand. .,The Academy of Science, The Royal Society of Thailand, Dusit, Bangkok, 10300, Thailand.
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17
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Fu SC, Wang P, Qi MX, Peng JP, Lin XQ, Zhang CY, Zhao GX, He GH. The associations of TNF-α gene polymorphisms with bone mineral density and risk of osteoporosis: A meta-analysis. Int J Rheum Dis 2019; 22:1619-1629. [PMID: 31273943 DOI: 10.1111/1756-185x.13647] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/15/2018] [Revised: 05/09/2019] [Accepted: 06/03/2019] [Indexed: 12/22/2022]
Abstract
OBJECTIVE Fracture is a common consequence of osteoporosis and is associated with high morbidity and mortality. Recently, increasing evidence has suggested that polymorphisms in tumor necrosis factor-α (TNF-α) gene were associated with osteoporosis risk and bone mineral density (BMD), but results remain conflicting. We herein performed a meta-analysis based on evidence currently available from the literature to make a more precise estimation of these relationships. METHODS The PubMed, EMBASE, Cochrane Library, CNKI (China National Knowledge Infrastructure) and Wan Fang databases were searched for eligible studies. Articles meeting the inclusion criteria were comprehensively reviewed and all available data were accumulated. The pooled odds ratios (ORs) or mean differences (MDs) and corresponding 95% confidence intervals (CIs) were applied to assess the strength of the relationships. RESULTS A total of 15 studies involving 5273 subjects were included in our meta-analysis. The GG genotype of TNF-α G308A was associated with an increased risk of osteoporosis under a mutant model (GG vs GA+AA: OR = 0.63, 95% CI: 0.51-0.77, P < 0.0001, I2 = 31%). Additionally, we also observed a significant association between G308A polymorphism and BMD of lumbar spine (AA vs GG: P = 0.01, I2 = 53%). However, TNF-α T1031C, C857T and C863A polymorphisms had no obvious impacts on osteoporosis risk. CONCLUSIONS The present meta-analysis demonstrated that TNF-α G308A polymorphism may act as a potential candidate biomarker for screening, diagnosis, and treatment of osteoporosis, which will help improve individualized therapy of osteoporosis patients in clinics.
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Affiliation(s)
- Suo-Chao Fu
- Department of Orthopaedics, Guangzhou General Hospital of PLA, Guangzhou, China
| | - Ping Wang
- Department of Pharmacy, The 920th Hospital of PLA Joint Service Security Forces, Kunming, China.,Kunming Medical University, Kunming, China
| | - Ming-Xing Qi
- Department of Pharmacy, Baoshan People's Hospital, Baoshan, China
| | - Jing-Ping Peng
- Department of Cardio-Thoracic Surgery, The 920th Hospital of PLA Joint Service Security Forces, Kunming, China
| | - Xiao-Qian Lin
- Department of Pharmacy, The 920th Hospital of PLA Joint Service Security Forces, Kunming, China
| | - Cai-Yun Zhang
- Department of Pharmacy, The 920th Hospital of PLA Joint Service Security Forces, Kunming, China.,Kunming Medical University, Kunming, China
| | - Gui-Xin Zhao
- Department of Pharmacy, The 920th Hospital of PLA Joint Service Security Forces, Kunming, China.,Kunming Medical University, Kunming, China
| | - Gong-Hao He
- Department of Pharmacy, The 920th Hospital of PLA Joint Service Security Forces, Kunming, China
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18
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Muñoz-Torres M, Aguado P, Daudén E, Carrascosa JM, Rivera R. Osteoporosis and Psoriasis. ACTAS DERMO-SIFILIOGRAFICAS 2019; 110:642-652. [PMID: 31151668 DOI: 10.1016/j.ad.2019.02.005] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/25/2018] [Revised: 01/29/2019] [Accepted: 02/03/2019] [Indexed: 02/08/2023] Open
Abstract
Psoriasis is a chronic inflammatory disease associated with multiple comorbidities, particularly in patients with arthritis or more severe forms of the disease. The link between all these comorbidities is probably systemic inflammation. Several recent studies have indicated that patients with psoriasis may be at an increased risk of pathologic fractures and osteoporosis. Current guidelines on comorbidities in psoriasis do not recommend assessment of bone health. In this article, we review the available evidence on the association between psoriasis and osteoporosis. We first examine the concept of osteoporosis and the role of vitaminD in bone health and then propose an algorithm for managing and treating this condition in patients with psoriasis.
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Affiliation(s)
- M Muñoz-Torres
- Servicio de Endocrinología, Hospital Universitario San Cecilio, Granada, España
| | - P Aguado
- Servicio de Reumatología, Hospital Universitario La Paz, Madrid, España
| | - E Daudén
- Servicio de Dermatología, Hospital Universitario La Princesa, Madrid, España
| | - J M Carrascosa
- Servicio de Dermatología, Hospital Universitario Germans Trias i Pujol, Badalona, Barcelona, España
| | - R Rivera
- Servicio de Dermatología, Hospital Universitario 12 de Octubre, Madrid, España.
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19
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The Role of Macrophage in the Pathogenesis of Osteoporosis. Int J Mol Sci 2019; 20:ijms20092093. [PMID: 31035384 PMCID: PMC6539137 DOI: 10.3390/ijms20092093] [Citation(s) in RCA: 61] [Impact Index Per Article: 12.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/27/2019] [Revised: 04/20/2019] [Accepted: 04/26/2019] [Indexed: 12/13/2022] Open
Abstract
Osteoporosis is a systemic disease with progressive bone loss. The bone loss is associated with an imbalance between bone resorption via osteoclasts and bone formation via osteoblasts. Other cells including T cells, B cells, macrophages, and osteocytes are also involved in the pathogenesis of osteoporosis. Different cytokines from activated macrophages can regulate or stimulate the development of osteoclastogenesis-associated bone loss. The fusion of macrophages can form multinucleated osteoclasts and, thus, cause bone resorption via the expression of IL-4 and IL-13. Different cytokines, endocrines, and chemokines are also expressed that may affect the presentation of macrophages in osteoporosis. Macrophages have an effect on bone formation during fracture-associated bone repair. However, activated macrophages may secrete proinflammatory cytokines that induce bone loss by osteoclastogenesis, and are associated with the activation of bone resorption. Targeting activated macrophages at an appropriate stage may help inhibit or slow the progression of bone loss in patients with osteoporosis.
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Nishida M, Saegusa J, Tanaka S, Morinobu A. S100A12 facilitates osteoclast differentiation from human monocytes. PLoS One 2018; 13:e0204140. [PMID: 30235276 PMCID: PMC6147475 DOI: 10.1371/journal.pone.0204140] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/09/2018] [Accepted: 09/03/2018] [Indexed: 12/29/2022] Open
Abstract
Osteoclasts play a critical role not only in bone homeostasis but also in inflammatory osteolysis, such as that occurring in inflammatory arthritis and systemic inflammation. In both inflammation conditions, inflammatory cytokines like Interleukin (IL)-1, IL-6 and tumor necrosis factor (TNF)-α induce RANKL expression in osteoblasts, but the roles of these cytokines in osteoclast activation remain unclear. S100A12, an S100 family member, is a low-molecular-weight calcium-binding protein. Although it has a pro-inflammatory role, its effects on osteoclast differentiation have been unclear. Here we examined the direct effects of S100A12 on human osteoclasts in vitro. S100A12 facilitated osteoclast formation in the presence of RANKL, as judged by the cells’ morphology and elevated expression of osteoclast-related molecules, including NFATc1, ACP5, CALCR, and ITGβ3. In addition, S100A12 administration markedly enhanced the osteoclasts’ bone resorption ability, consistent with their increased expression levels of CTSK and CA2. Blocking RAGE and TLR4 cancelled the effects of S100A12. Our results indicate that S100A12 is a potential therapeutic target for inflammatory osteolysis.
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Affiliation(s)
- Miwa Nishida
- Department of Rheumatology and Clinical Immunology, Kobe University Graduate School of Medicine, Chuo-ku, Kobe, Japan
- The Center for Rheumatic Diseases, Shinko Hospital, Chuo-ku, Kobe, Japan
| | - Jun Saegusa
- Department of Rheumatology and Clinical Immunology, Kobe University Graduate School of Medicine, Chuo-ku, Kobe, Japan
- Clinical Laboratory, Kobe University Hospital, Chuo-ku, Kobe, Japan
| | - Shino Tanaka
- Department of Rheumatology and Clinical Immunology, Kobe University Graduate School of Medicine, Chuo-ku, Kobe, Japan
| | - Akio Morinobu
- Department of Rheumatology and Clinical Immunology, Kobe University Graduate School of Medicine, Chuo-ku, Kobe, Japan
- * E-mail:
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21
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Cao F, Zhou W, Liu G, Xia T, Liu M, Mi B, Liu Y. Staphylococcus aureus peptidoglycan promotes osteoclastogenesis via TLR2-mediated activation of the NF-κB/NFATc1 signaling pathway. Am J Transl Res 2017; 9:5022-5030. [PMID: 29218100 PMCID: PMC5714786] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/07/2017] [Accepted: 09/30/2017] [Indexed: 06/07/2023]
Abstract
Staphylococcus aureus (S. aureus) peptidoglycan (PGN-sa), the major cell wall component of S. aureus, has been demonstrated to be an important virulence factor in the pathogenesis of S. aureus-induced osteomyelitis. However, the exact role of PGN-sa in osteoclastogenesis during S. aureus-induced osteomyelitis and its underlying molecular mechanisms remain unclear. In this study, we found that PGN-sa promoted receptor activator of nuclear factor-κB (NF-κB) ligand (RANKL)-induced osteoclast formation. Quantitative real-time polymerase chain reaction results showed that the mRNA expression of osteoclast-specific marker genes, including tartrate-resistant acid phosphatase, cathepsin K, matrix metalloproteinase-9, and calcitonin receptor was upregulated by PGN-sa treatment. The results of enzyme linked immunosorbent assay showed that PGN-sa promoted the production of proinflammatory cytokines in mouse bone marrow macrophages (mBMMs) treated with RANKL. PGN-sa enhanced RANKL-stimulated protein expression of Toll-like receptor 2 (TLR2), p-IκBα, and nuclear factor of activated T-cells, cytoplasmic 1 (NFATc1). Luciferase reporter assay showed that PGN-sa increased the transcriptional activity of TLR2 and NF-κB in mBMMs treated with RANKL. In addition, we found that downregulation of TLR2 attenuated the effect of PGA-sa on RANKL-induced osteoclastogenesis and activation of the NF-κB/NFATc1 signaling pathway. Taken together, this study revealed that PGN-sa promotes osteoclast formation via TLR2-mediated activation of the NF-κB/NFATc1 signaling pathway, revealing a potential effect of PGN-sa on osteomyelitis. These findings provide new insights into the pathogenic role of PGN-sa in S. aureus-induced osteomyelitis and may help to develop new therapeutic strategies for osteomyelitis.
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Affiliation(s)
- Faqi Cao
- Department of Orthopaedics, Union Hospital, Tongji Medical College, Huazhong University of Science and TechnologyWuhan 430022, Hubei, P.R. China
| | - Wu Zhou
- Department of Orthopaedics, Union Hospital, Tongji Medical College, Huazhong University of Science and TechnologyWuhan 430022, Hubei, P.R. China
| | - Guohui Liu
- Department of Orthopaedics, Union Hospital, Tongji Medical College, Huazhong University of Science and TechnologyWuhan 430022, Hubei, P.R. China
| | - Tian Xia
- Department of Orthopaedics, Union Hospital, Tongji Medical College, Huazhong University of Science and TechnologyWuhan 430022, Hubei, P.R. China
| | - Mengfei Liu
- Department of Orthopaedics, Union Hospital, Tongji Medical College, Huazhong University of Science and TechnologyWuhan 430022, Hubei, P.R. China
| | - Bobin Mi
- Department of Orthopaedics, Union Hospital, Tongji Medical College, Huazhong University of Science and TechnologyWuhan 430022, Hubei, P.R. China
| | - Yi Liu
- Department of Orthopaedics, Union Hospital, Tongji Medical College, Huazhong University of Science and TechnologyWuhan 430022, Hubei, P.R. China
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Nguyen D, Yamada R, Yoshimitsu N, Oguri A, Kojima T, Takahashi N. Involvement of the Mab21l1 gene in calvarial osteogenesis. Differentiation 2017; 98:70-78. [PMID: 29156428 DOI: 10.1016/j.diff.2017.11.001] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/09/2017] [Revised: 10/19/2017] [Accepted: 11/08/2017] [Indexed: 01/09/2023]
Abstract
The Mab-21 gene family is crucial for animal development. A deficiency in the Mab-21 genes associates with several defects, including skeletal malformation in mice and humans. In this study, we observed that mice lacking Mab21l1 displayed an unclosed fontanelle, suggesting impaired calvarial bone development. Cells isolated from the calvaria of these mice showed a greater osteoblast differentiation potential as evidenced by the abundance of mineralized bone nodules and higher expression levels of osteogenic markers than wild-type cells. Mab21l1-/- osteoblasts also expressed higher levels of adipocyte genes and interferon-regulated genes at early stages of osteogenesis. Rankl/Opg expression levels were also higher in Mab21l1-/- osteoblasts than in wild-type cells. These data suggest that Mab21l1 is involved in either the regulation of mesenchymal cell proliferation and differentiation or the balance between bone formation and resorption. An alteration in these regulatory machineries, therefore, may lead to insufficient bone formation, causing the bone phenotype in Mab21l1-/- mice.
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Affiliation(s)
- Dan Nguyen
- Department of Applied Biological Chemistry, Graduate School of Agricultural and Life Sciences, The University of Tokyo, Yayoi 1-1-1, Bunkyo-ku, Tokyo 113-8657, Japan
| | - Ryuichi Yamada
- Department of Applied Biological Chemistry, Graduate School of Agricultural and Life Sciences, The University of Tokyo, Yayoi 1-1-1, Bunkyo-ku, Tokyo 113-8657, Japan; RNA Company Limited, 7-25-7, Nishikamata, Ota-ku, Tokyo 114-8661, Japan
| | - Nodoka Yoshimitsu
- Department of Applied Biological Chemistry, Graduate School of Agricultural and Life Sciences, The University of Tokyo, Yayoi 1-1-1, Bunkyo-ku, Tokyo 113-8657, Japan
| | - Akira Oguri
- Department of Applied Biological Chemistry, Graduate School of Agricultural and Life Sciences, The University of Tokyo, Yayoi 1-1-1, Bunkyo-ku, Tokyo 113-8657, Japan
| | - Takuya Kojima
- Department of Applied Biological Chemistry, Graduate School of Agricultural and Life Sciences, The University of Tokyo, Yayoi 1-1-1, Bunkyo-ku, Tokyo 113-8657, Japan; RNA Company Limited, 7-25-7, Nishikamata, Ota-ku, Tokyo 114-8661, Japan
| | - Naoki Takahashi
- Department of Applied Biological Chemistry, Graduate School of Agricultural and Life Sciences, The University of Tokyo, Yayoi 1-1-1, Bunkyo-ku, Tokyo 113-8657, Japan.
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Wijekoon S, Bwalya EC, Fang J, Kim S, Hosoya K, Okumura M. Chronological differential effects of pro-inflammatory cytokines on RANKL-induced osteoclast differentiation of canine bone marrow-derived macrophages. J Vet Med Sci 2017; 79:2030-2035. [PMID: 29109351 PMCID: PMC5745185 DOI: 10.1292/jvms.17-0393] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/04/2023] Open
Abstract
The aim of this study was to investigate osteoclastogenic properties of inflammatory
cytokines at different time-points of osteoclastogenesis. Bone marrow-derived macrophages
from five healthy dogs were stimulated with the macrophage colony-stimulating factor,
receptor activator of nuclear factor-κB ligand and inflammatory cytokines such as
interleukin (IL)-1β, tumor necrosis factor (TNF)-α and IL-17. Osteoclasts (OC) formation
and function were enhanced with TNF-α regardless of temporal differences. But in contrast,
IL-1β suppressed the osteoclastogenesis at early phase of the process while upregulating
at the late phase. Furthermore, differentiation of OC precursors into OC was suppressed at
high concentrations of IL-17. Collectively, the results revealed that suppressing TNF-α
would be a promising strategy to inhibit inflammation-associated bone destruction in
dogs.
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Affiliation(s)
- Suranji Wijekoon
- Laboratory of Veterinary Surgery, Department of Veterinary Clinical Sciences, Graduate School of Veterinary Medicine, Hokkaido University, Sapporo 060-0818, Japan
| | - Eugene C Bwalya
- Laboratory of Veterinary Surgery, Department of Veterinary Clinical Sciences, Graduate School of Veterinary Medicine, Hokkaido University, Sapporo 060-0818, Japan
| | - Jing Fang
- Laboratory of Veterinary Surgery, Department of Veterinary Clinical Sciences, Graduate School of Veterinary Medicine, Hokkaido University, Sapporo 060-0818, Japan
| | - Sangho Kim
- Laboratory of Veterinary Surgery, Department of Veterinary Clinical Sciences, Graduate School of Veterinary Medicine, Hokkaido University, Sapporo 060-0818, Japan
| | - Kenji Hosoya
- Laboratory of Veterinary Surgery, Department of Veterinary Clinical Sciences, Graduate School of Veterinary Medicine, Hokkaido University, Sapporo 060-0818, Japan
| | - Masahiro Okumura
- Laboratory of Veterinary Surgery, Department of Veterinary Clinical Sciences, Graduate School of Veterinary Medicine, Hokkaido University, Sapporo 060-0818, Japan
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Zheng L, Wang W, Ni J, Mao X, Song D, Liu T, Wei J, Zhou H. Role of autophagy in tumor necrosis factor-α-induced apoptosis of osteoblast cells. J Investig Med 2017. [PMID: 28634253 PMCID: PMC5537511 DOI: 10.1136/jim-2017-000426] [Citation(s) in RCA: 38] [Impact Index Per Article: 5.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/18/2023]
Abstract
The aim of this study is to investigate the role of tumor necrosis factor-α (TNF-α) in apoptosis and autophagy of mouse osteoblast MC3T3-E1 cells, as well as the crosstalk between autophagy and apoptosis. Mouse osteoblast MC3T3-E1 cells were cultured in vitro and treated with 5-fluorouracil (5-FU), rapamycin, 3-methyl adenine (3-MA) and TNF-α either alone or in combination, respectively. MTT assays were used to monitor the cell viability upon different treatments. Annexin-V-FITC/propidium iodide (PI) staining was used to detect the apoptotic rate of osteoblasts. Autophagic structure and apoptotic bodies were visualized by transmission electron microscopy (TEM). Western blot analysis was performed to detect the autophagic marker LC3-II/I, p62 and apoptotic marker cleaved caspase-3. TNF-α inhibits MC3T3-E1 cell viability in a dose-dependent and time-dependent manner. Annexin-V-FITC/PI staining, coupled with TEM, showed that TNF-α induced cell apoptosis and autophagy in MC3T3-E1 cells. The autophagy inducer rapamycin ameliorated TNF-α-induced apoptosis. In contrast, 3-MA, which is an autophagy inhibitor, caused an exaggerated induction of TNF-α-induced apoptosis. TNF-α upregulated autophagy marker LC3-II/I, but downregulated p62 in osteoblasts. Combined treatment of rapamycin and TNF-α further exaggerated this effect, whereas co-treatment of 3-MA and TNF-α decreased LC3-II/I, but increased p62 compared with TNF-α alone. In addition, TNF-α caused an induction of apoptotic marker cleaved caspase-3. TNF-α-mediated induction of cleaved caspase-3 was downregulated by rapamycin, but upregulated by 3-MA, respectively. TNF-α induced both autophagy and apoptosis in osteoblasts, and upregulated autophagy protects the cell by reducing TNF-α-induced apoptosis.
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Affiliation(s)
- Liwen Zheng
- Department of Orthopeadics, The Second Xiangya Hospital, Central South University, Changsha, Hunan, China
| | - Wanchun Wang
- Department of Orthopeadics, The Second Xiangya Hospital, Central South University, Changsha, Hunan, China
| | - Jiangdong Ni
- Department of Orthopeadics, The Second Xiangya Hospital, Central South University, Changsha, Hunan, China
| | - Xinzhan Mao
- Department of Orthopeadics, The Second Xiangya Hospital, Central South University, Changsha, Hunan, China
| | - Deye Song
- Department of Orthopeadics, The Second Xiangya Hospital, Central South University, Changsha, Hunan, China
| | - Tang Liu
- Department of Orthopeadics, The Second Xiangya Hospital, Central South University, Changsha, Hunan, China
| | - Jianwei Wei
- Department of Orthopeadics, The Second Xiangya Hospital, Central South University, Changsha, Hunan, China
| | - Huaying Zhou
- Department of Orthopeadics, The Second Xiangya Hospital, Central South University, Changsha, Hunan, China
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25
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Zhao S, Yan L, Li X, Zhang Z, Sun Y, Wang J. Notoginsenoside R1 suppresses wear particle-induced osteolysis and RANKL mediated osteoclastogenesis in vivo and in vitro. Int Immunopharmacol 2017; 47:118-125. [DOI: 10.1016/j.intimp.2017.03.018] [Citation(s) in RCA: 15] [Impact Index Per Article: 2.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/29/2016] [Revised: 03/05/2017] [Accepted: 03/20/2017] [Indexed: 11/25/2022]
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Corr EM, Cunningham CC, Helbert L, McCarthy GM, Dunne A. Osteoarthritis-associated basic calcium phosphate crystals activate membrane proximal kinases in human innate immune cells. Arthritis Res Ther 2017; 19:23. [PMID: 28173838 PMCID: PMC5296949 DOI: 10.1186/s13075-017-1225-0] [Citation(s) in RCA: 38] [Impact Index Per Article: 5.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/28/2016] [Accepted: 01/06/2017] [Indexed: 12/14/2022] Open
Abstract
Background Osteoarthritis (OA) is a chronic debilitating joint disorder of particularly high prevalence in the elderly population. Intra-articular basic calcium phosphate (BCP) crystals are present in the majority of OA joints and are associated with severe degeneration. They are known to activate macrophages, synovial fibroblasts, and articular chondrocytes, resulting in increased cell proliferation and the production of pro-inflammatory cytokines and matrix metalloproteases (MMPs). This suggests a pathogenic role in OA by causing extracellular matrix degradation and subchondral bone remodelling. There are currently no disease-modifying drugs available for crystal-associated OA; hence, the aim of this study was to explore the inflammatory pathways activated by BCP crystals in order to identify potential therapeutic targets to limit crystal-induced inflammation. Methods Primary human macrophages and dendritic cells were stimulated with BCP crystals, and activation of spleen tyrosine kinase (Syk), phosphoinositide-3 kinase (PI3K), and mitogen-activated protein kinases (MAPKs) was detected by immunoblotting. Lipopolysaccharide (LPS)-primed macrophages were pre-treated with inhibitors of Syk, PI3K, and MAPKs prior to BCP stimulation, and cytokine production was quantified by enzyme-linked immunosorbent assay (ELISA). Aa an alternative, cells were treated with synovial fluid derived from osteoarthritic knees in the presence or absence of BCP crystals, and gene induction was assessed by real-time polymerase chain reaction (PCR). Results We demonstrate that exposure of primary human macrophages and dendritic cells to BCP crystals leads to activation of the membrane-proximal tyrosine kinases Syk and PI3K. Furthermore, we show that production of the pro-inflammatory cytokines interleukin (IL)-1α and IL-1β and phosphorylation of downstream MEK and ERK MAPKs is suppressed following treatment with inhibitors of Syk or PI3K. Finally, we demonstrate that treatment of macrophages with BCP crystals induces the production of the damage-associated molecule S100A8 and MMP1 in a Syk-dependent manner and that synovial fluid from OA patients together with BCP crystals exacerbates these effects. Conclusions We identify Syk and PI3K as key signalling molecules activated by BCP crystals prior to inflammatory cytokine and DAMP expression and therefore propose that Syk and PI3K represent potential targets for the treatment of BCP-related pathologies.
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Affiliation(s)
- Emma M Corr
- School of Biochemistry & Immunology and School of Medicine, Trinity Biomedical Sciences Institute, Trinity College Dublin, Dublin, Ireland
| | - Clare C Cunningham
- School of Biochemistry & Immunology and School of Medicine, Trinity Biomedical Sciences Institute, Trinity College Dublin, Dublin, Ireland
| | - Laura Helbert
- Mater Misericordiae University Hospital, Dublin, Ireland
| | | | - Aisling Dunne
- School of Biochemistry & Immunology and School of Medicine, Trinity Biomedical Sciences Institute, Trinity College Dublin, Dublin, Ireland.
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27
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Zerbini CAF, Clark P, Mendez-Sanchez L, Pereira RMR, Messina OD, Uña CR, Adachi JD, Lems WF, Cooper C, Lane NE. Biologic therapies and bone loss in rheumatoid arthritis. Osteoporos Int 2017; 28:429-446. [PMID: 27796445 DOI: 10.1007/s00198-016-3769-2] [Citation(s) in RCA: 115] [Impact Index Per Article: 16.4] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 08/02/2016] [Accepted: 09/07/2016] [Indexed: 12/20/2022]
Abstract
INTRODUCTION Rheumatoid arthritis (RA) is a common systemic autoimmune disease of unknown cause, characterized by a chronic, symmetric, and progressive inflammatory polyarthritis. One of the most deleterious effects induced by the chronic inflammation of RA is bone loss. During the last 15 years, the better knowledge of the cytokine network involved in RA allowed the development of potent inhibitors of the inflammatory process classified as biological DMARDs. These new drugs are very effective in the inhibition of inflammation, but there are only few studies regarding their role in bone protection. The principal aim of this review was to show the evidence of the principal biologic therapies and bone loss in RA, focusing on their effects on bone mineral density, bone turnover markers, and fragility fractures. METHODS Using the PICOST methodology, two coauthors (PC, LM-S) conducted the search using the following MESH terms: rheumatoid arthritis, osteoporosis, clinical trials, TNF- antagonists, infliximab, adalimumab, etanercept, certolizumab, golimumab, IL-6 antagonists, IL-1 antagonists, abatacept, tocilizumab, rituximab, bone mineral density, bone markers, and fractures. The search was conducted electronically and manually from the following databases: Medline and Science Direct. The search period included articles from 2003 to 2015. The selection included only original adult human research written in English. Titles were retrieved and the same two authors independently selected the relevant studies for a full text. The retrieved selected studies were also reviewed completing the search for relevant articles. The first search included 904 titles from which 253 titles were selected. The agreement on the selection among researchers resulted in a Kappa statistic of 0.95 (p < 0.000). Only 248 abstracts evaluated were included in the acronym PICOST. The final selection included only 28 studies, derived from the systematic search. Additionally, a manual search in the bibliography of the selected articles was made and included into the text and into the section of "small molecules of new agents." CONCLUSION Treatment with biologic drugs is associated with the decrease in bone loss. Studies with anti-TNF blocking agents show preservation or increase in spine and hip BMD and also a better profile of bone markers. Most of these studies were performed with infliximab. Only three epidemiological studies analyzed the effect on fractures after anti-TNF blocking agent's treatment. IL-6 blocking agents also showed improvement in localized bone loss not seen with anti-TNF agents. There are a few studies with rituximab and abatacept. Although several studies reported favorable actions of biologic therapies on bone protection, there are still unmet needs for studies regarding their actions on the risk of bone fractures.
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Affiliation(s)
- C A F Zerbini
- Centro Paulista de Investigação Clínica, Rua Moreira e Costa, 342-Ipiranga, São Paulo, SP, 04266-010, Brazil.
| | - P Clark
- Hospital Infantil Federico Gómez-Faculty of Medicine UNAM, Ciudad de México D.F, Mexico
| | - L Mendez-Sanchez
- Hospital Infantil Federico Gómez-Faculty of Medicine UNAM, Ciudad de México D.F, Mexico
| | - R M R Pereira
- Faculdade de Medicina da Universidade de São Paulo, São Paulo, Brazil
| | - O D Messina
- IRO Clinical Research Center Buenos Aires, Buenos Aires, Argentina
| | - C R Uña
- IRO Clinical Research Center Buenos Aires, Buenos Aires, Argentina
| | - J D Adachi
- Actavis Chair for Better Bone Health in Rheumatology, Hamilton, ON, Canada
| | - W F Lems
- Amsterdam Rheumatology and Immunology Centre, VU University Medical Centre, Amsterdam, The Netherlands
| | - C Cooper
- MRC Lifecourse Epidemiology Unit, Southampton, UK
- Faculty of Medicine, University of Southampton, Southampton, UK
- University of Oxford, Oxford, UK
| | - N E Lane
- Center for Musculoskeletal Health, Sacramento, CA, USA
- UC Davis Health System, University of California, Sacramento, CA, USA
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28
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Jia P, Chen G, Qin WY, Zhong Y, Yang J, Rong XF. Xitong Wan attenuates inflammation development through inhibiting the activation of nuclear factor-κB in rats with adjuvant-induced arthritis. JOURNAL OF ETHNOPHARMACOLOGY 2016; 193:266-271. [PMID: 27566198 DOI: 10.1016/j.jep.2016.08.006] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/31/2016] [Revised: 07/14/2016] [Accepted: 08/03/2016] [Indexed: 05/20/2023]
Abstract
ETHNOPHARMACOLOGICAL RELEVANCE Xitong Wan (XTW), a traditional Chinese herbs formula, has been used to treat "Bi Zheng" in the clinical practice of traditional Chinese medicine (TCM) for hundreds of years. However, no scientific validation is available on the anti-rheumatic effect of XTW. AIM OF STUDY This study was carried out to investigate the effects of XTW on joints swelling, joints destruction, production of inflammatory mediators and nuclear factor-κB (NF-κB) activation in rats with adjuvant-induced arthritis (AIA). MATERIALS AND METHODS AIA was induced by intradermal injection of Complete Freund's adjuvant in the footpad of Wistar rats. Paw volume was measured every 7 days during XTW treatment. Histological score was calculated by hematoxylin and eosin staining. Osteoclast number in articular tissues was counted by tartrate-resistant acid phosphatase staining. Levels of tumor necrosis factor (TNF)-α, interleukin (IL)-1β and IL-6 in serum were detected by enzyme-linked immunosorbent assay. Levels of NF-κBp65 and inhibitor of NF-κB (IκB)α in synovium were analyzed by Western blot assay. RESULTS Compared with AIA group rats, XTW significantly decreased the paw volume of AIA rats. Meanwhile, XTW significantly reduced the histological score and osteoclast number in articular tissues of AIA rats. In addition, XTW markedly abated the levels of TNF-α, IL-1β and IL-6 in serum, as well as enhanced the level of IκBα in synovium of AIA rats. However, XTW did not show significant effect on the level of p65 in synovium of AIA rats. CONCLUSIONS These results suggest that XTW attenuates the inflammation development through inhibiting the NF-κB-mediated proinflammatory cytokines production in AIA rats. Our study provides the scientific evidence of XTW on treatment of rheumatoid arthritis in the clinical practice of TCM.
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Affiliation(s)
- Ping Jia
- Department of Combination of Chinese and Western Medicine, the First Affiliated Hospital of Chongqing Medical University, Chongqing 400016, PR China.
| | - Gang Chen
- College of Environment and Resource, Chongqing Technology and Business University, Chongqing 400067, PR China
| | - Wen-Yi Qin
- Department of Combination of Chinese and Western Medicine, the First Affiliated Hospital of Chongqing Medical University, Chongqing 400016, PR China
| | - Yu Zhong
- Department of Combination of Chinese and Western Medicine, the First Affiliated Hospital of Chongqing Medical University, Chongqing 400016, PR China
| | - Juan Yang
- Department of Combination of Chinese and Western Medicine, the First Affiliated Hospital of Chongqing Medical University, Chongqing 400016, PR China
| | - Xiao-Feng Rong
- Department of Combination of Chinese and Western Medicine, the First Affiliated Hospital of Chongqing Medical University, Chongqing 400016, PR China
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29
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Cunningham CC, Corr EM, McCarthy GM, Dunne A. Intra-articular basic calcium phosphate and monosodium urate crystals inhibit anti-osteoclastogenic cytokine signalling. Osteoarthritis Cartilage 2016; 24:2141-2152. [PMID: 27426968 DOI: 10.1016/j.joca.2016.07.001] [Citation(s) in RCA: 21] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 01/14/2016] [Revised: 06/23/2016] [Accepted: 07/01/2016] [Indexed: 02/02/2023]
Abstract
OBJECTIVE Basic calcium phosphate (BCP) and monosodium urate (MSU) crystals are particulates with potent pro-inflammatory effects, associated with osteoarthritis (OA) and gout, respectively. Bone erosion, due to increased osteoclastogenesis, is a hallmark of both arthropathies and results in severe joint destruction. The aim of this study was to investigate the effect of these endogenous particulates on anti-osteoclastogenic cytokine signalling. METHODS Human osteoclast precursors (OcP) were treated with BCP and MSU crystals prior to stimulation with Interleukin (IL-6) or Interferon (IFN-γ) and the effect on Signal Transducer and Activator of Transcription (STAT)-3 and STAT-1 activation in addition to Mitogen Activated Protein Kinase (MAPK) activation was examined by immunoblotting. Crystal-induced suppressor of cytokine signalling (SOCS) protein and SH-2 containing tyrosine phosphatase (SHP) expression was assessed by real-time polymerase chain reaction (PCR) in the presence and absence of MAPK inhibitors. RESULTS Pre-treatment with BCP or MSU crystals for 1 h inhibited IL-6-induced STAT-3 activation in human OcP, while pre-treatment for 3 h inhibited IFN-γ-induced STAT-1 activation. Both crystals activated p38 and extracellular signal-regulated (ERK) MAPKs with BCP crystals also activating c-Jun N-terminal kinase (JNK). Inhibition of p38 counteracted the inhibitory effect of BCP and MSU crystals and restored STAT-3 phosphorylation. In contrast, STAT-1 phosphorylation was not restored by MAPK inhibition. Finally, both crystals potently induced the expression of SOCS-3 in a MAPK dependent manner, while BCP crystals also induced expression of SHP-1 and SHP-2. CONCLUSION This study provides further insight into the pathogenic effects of endogenous particulates in joint arthropathies and demonstrates how they may contribute to bone erosion via the inhibition of anti-osteoclastogenic cytokine signalling. Potential targets to overcome these effects include p38 MAPK, SOCS-3 and SHP phosphatases.
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Affiliation(s)
- C C Cunningham
- School of Biochemistry & Immunology, Trinity Biomedical Sciences Institute, Trinity College Dublin, Ireland; School of Medicine, Trinity Biomedical Sciences Institute, Trinity College Dublin, Ireland.
| | - E M Corr
- School of Biochemistry & Immunology, Trinity Biomedical Sciences Institute, Trinity College Dublin, Ireland; School of Medicine, Trinity Biomedical Sciences Institute, Trinity College Dublin, Ireland.
| | - G M McCarthy
- Mater Misericordiae University Hospital, Dublin 7, Ireland.
| | - A Dunne
- School of Biochemistry & Immunology, Trinity Biomedical Sciences Institute, Trinity College Dublin, Ireland; School of Medicine, Trinity Biomedical Sciences Institute, Trinity College Dublin, Ireland.
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Kawamoto D, Ando-Suguimoto ES, Bueno-Silva B, DiRienzo JM, Mayer MPA. Alteration of Homeostasis in Pre-osteoclasts Induced by Aggregatibacter actinomycetemcomitans CDT. Front Cell Infect Microbiol 2016; 6:33. [PMID: 27064424 PMCID: PMC4815040 DOI: 10.3389/fcimb.2016.00033] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/05/2016] [Accepted: 03/07/2016] [Indexed: 01/28/2023] Open
Abstract
The dysbiotic microbiota associated with aggressive periodontitis includes Aggregatibacter actinomycetemcomitans, the only oral species known to produce a cytolethal distending toxin (AaCDT). Give that CDT alters the cytokine profile in monocytic cells, we aimed to test the hypothesis that CDT plays a role in bone homeostasis by affecting the differentiation of precursor cells into osteoclasts. Recombinant AaCDT was added to murine bone marrow monocytes (BMMC) in the presence or absence of RANKL and the cell viability and cytokine profile of osteoclast precursor cells were determined. Multinucleated TRAP(+) cell numbers, and relative transcription of genes related to osteoclastogenesis were also evaluated. The addition of AaCDT did not lead to loss in cell viability but promoted an increase in the average number of TRAP(+) cells with 1-2 nuclei in the absence or presence of RANKL (Tukey, p < 0.05). This increase was also observed for TRAP(+) cells with ≥3nuclei, although this difference was not significant. Levels of TGF-β, TNF-α, and IL-6, in the supernatant fraction of cells, were higher when in AaCDT exposed cells, whereas levels of IL-1β and IL-10 were lower than controls under the same conditions. After interaction with AaCDT, transcription of the rank (encoding the receptor RANK), nfatc1 (transcription factor), and ctpK (encoding cathepsin K) genes was downregulated in pre-osteoclastic cells. The data indicated that despite the presence of RANKL and M-CSF, AaCDT may inhibit osteoclast differentiation by altering cytokine profiles and repressing transcription of genes involved in osteoclastogenesis. Therefore, the CDT may impair host defense mechanisms in periodontitis.
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Affiliation(s)
- Dione Kawamoto
- Department of Microbiology, Institute of Biomedical Sciences, University of São Paulo São Paulo, Brazil
| | - Ellen S Ando-Suguimoto
- Department of Microbiology, Institute of Biomedical Sciences, University of São Paulo São Paulo, Brazil
| | - Bruno Bueno-Silva
- Department of Microbiology, Institute of Biomedical Sciences, University of São Paulo São Paulo, Brazil
| | - Joseph M DiRienzo
- Department of Microbiology, School of Dental Medicine, University of Pennsylvania PA, USA
| | - Marcia P A Mayer
- Department of Microbiology, Institute of Biomedical Sciences, University of São Paulo São Paulo, Brazil
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Rochford ETJ, Sabaté Brescó M, Zeiter S, Kluge K, Poulsson A, Ziegler M, Richards RG, O'Mahony L, Moriarty TF. Monitoring immune responses in a mouse model of fracture fixation with and without Staphylococcus aureus osteomyelitis. Bone 2016; 83:82-92. [PMID: 26525592 DOI: 10.1016/j.bone.2015.10.014] [Citation(s) in RCA: 38] [Impact Index Per Article: 4.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 06/07/2015] [Revised: 09/21/2015] [Accepted: 10/11/2015] [Indexed: 12/30/2022]
Abstract
Post-traumatic bone fractures are commonly fixed with implanted devices to restore the anatomical position of bone fragments and aid in the healing process. Bacterial infection in this situation is a challenge for clinicians due to the need for aggressive antibiotic therapy, debridement of infected tissues, and the need to maintain fracture stability. The aim of this study was to monitor immune responses that occur during healing and during Staphylococcus aureus infection, in a clinically relevant murine model of fracture fixation. Skeletally mature C57bl/6 mice received a transverse osteotomy of the femur, which was treated with commercially available titanium fracture fixation plates and screws. In the absence of infection, healing of the fracture was complete within 35days and was characterized by elevated Interleukin (IL)-4 and Interferon-gamma secretion from bone-derived cells and expression of these same genes. In contrast, mice inoculated with S. aureus could not heal the fracture within the observation period and were found to develop typical signs of implant-associated bone infection, including biofilm formation on the implant and osteolysis of surrounding bone. The immune response to infection was characterized by a TH17-led bone response, and a pro-inflammatory cytokine-led Tumor necrosis factor (TNF)-α, Interleukin (IL)-1β) soft tissue response, both of which were ineffectual in clearing implant related bone and soft tissue infections respectively. In this murine model, we characterize the kinetics of pro-inflammatory responses to infection, secondary to bone trauma and surgery. A divergent local immune polarization is evident in the infected versus non-infected animals, with the immune response ultimately unable to clear the S. aureus infection.
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Affiliation(s)
| | - Marina Sabaté Brescó
- AO Research Institute Davos, Switzerland; Swiss Institute of Allergy and Asthma Research (SIAF), University of Zurich, Davos, Switzerland
| | | | | | | | - Mario Ziegler
- Swiss Institute of Allergy and Asthma Research (SIAF), University of Zurich, Davos, Switzerland
| | | | - Liam O'Mahony
- Swiss Institute of Allergy and Asthma Research (SIAF), University of Zurich, Davos, Switzerland
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Algate K, Haynes DR, Bartold PM, Crotti TN, Cantley MD. The effects of tumour necrosis factor-α on bone cells involved in periodontal alveolar bone loss; osteoclasts, osteoblasts and osteocytes. J Periodontal Res 2015; 51:549-66. [DOI: 10.1111/jre.12339] [Citation(s) in RCA: 63] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 09/25/2015] [Indexed: 12/22/2022]
Affiliation(s)
- K. Algate
- Discipline of Anatomy and Pathology; University of Adelaide; Adelaide SA Australia
| | - D. R. Haynes
- Discipline of Anatomy and Pathology; University of Adelaide; Adelaide SA Australia
| | - P. M. Bartold
- School of Dentistry; University of Adelaide; Adelaide SA Australia
| | - T. N. Crotti
- Discipline of Anatomy and Pathology; University of Adelaide; Adelaide SA Australia
| | - M. D. Cantley
- Discipline of Anatomy and Pathology; University of Adelaide; Adelaide SA Australia
- Myeloma Research Laboratory; University of Adelaide; Adelaide SA Australia
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Gorecki P, Stockmann P, Distler JH, Wuest W, Schmidt D, Neukam FW, Nkenke E, Wehrhan F. Implication of bisphosphonate use in the treatment of SAPHO syndrome: Case report and discussion of current literature. JOURNAL OF MEDICAL HYPOTHESES AND IDEAS 2015. [DOI: 10.1016/j.jmhi.2015.04.002] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/23/2022]
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Minaříková M, Oralová V, Veselá B, Radlanski RJ, Matalová E. Osteogenic Profile of Mesenchymal Cell Populations Contributing to Alveolar Bone Formation. Cells Tissues Organs 2015; 200:339-48. [PMID: 26451912 DOI: 10.1159/000439165] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 08/03/2015] [Indexed: 11/19/2022] Open
Abstract
Teeth develop within the surrounding periodontal tissues, involving the alveolar bone, periodontal ligament and cementum. The alveolar bone originates through the process of intramembranous ossification involving mesenchymal cells from the tooth germ. As most available data are related to endochondral ossification, we examined the molecular background of alveolar bone development. We investigated the osteogenic profile of mesenchymal cells dissected from mouse mandible slices at the stage of early alveolar bone formation. Relative monitoring of gene expression was undertaken using PCR Arrays; this included the profiles of 84 genes associated with osteogenesis. To examine the tooth-bone interface, stages with detectable changes in bone remodelling during development (E13.0, E14.0 and E15.0) were chosen and compared with each other. These results showed a statistically significant increase in the expression of the genes Fgf3, Ctsk, Icam-1, Mmp9, Itga3 and Tuft1, and of a wide range of collagens (Col1a2, Col3a1, Col7a1, Col12a1, Col14a1). Decreased expression was detected in the case of Col2a1, Sox9, Smad2 and Vegfb. To confirm these changes in gene expression, immunofluorescence analyses of Mmp9 and Sox9 proteins were performed in situ. Our research has identified several candidate genes that may be crucial for the initiation of alveolar bone formation and is the basis for further functional studies.
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Affiliation(s)
- Monika Minaříková
- Institute of Animal Physiology and Genetics CAS, v.v.i., Brno, Czech Republic
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Zhang A, Zhang X, Tan X, Cai B, Ge W, Dai G, Cai J. RETRACTED: Resveratrol rescued the TNF-α-induced impairments of osteogenesis of bone-marrow derived mesenchymal stem cells and inhibited the TNF-α-activated NF-кB signaling pathway. Int Immunopharmacol 2015; 26:409-15. [DOI: 10.1016/j.intimp.2015.04.026] [Citation(s) in RCA: 8] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/16/2015] [Revised: 03/31/2015] [Accepted: 04/15/2015] [Indexed: 12/20/2022]
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The antibody atliximab attenuates collagen-induced arthritis by neutralizing AIMP1, an inflammatory cytokine that enhances osteoclastogenesis. Biomaterials 2015; 44:45-54. [DOI: 10.1016/j.biomaterials.2014.12.017] [Citation(s) in RCA: 13] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/12/2014] [Revised: 11/28/2014] [Accepted: 12/16/2014] [Indexed: 12/23/2022]
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Kiyomi A, Makita M, Iwase T, Tanaka S, Onda K, Sugiyama K, Takeuchi H, Hirano T. Clinical Significance of Female-hormones and Cytokines in Breast Cancer Patients Complicated with Aromatase Inhibitor-related Osteoarthropathy - Efficacy of Vitamin E. J Cancer 2015; 6:367-76. [PMID: 25767607 PMCID: PMC4349877 DOI: 10.7150/jca.10695] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/01/2014] [Accepted: 12/05/2014] [Indexed: 01/27/2023] Open
Abstract
INTRODUCTION Aromatase inhibitor use for postmenopausal hormone-sensitive breast cancer patients often results in drug-induced osteoarthropathy, while its accurate mechanism has not been clarified. We investigated the implication of female hormones and several cytokines in osteoarthropathy complicated with aromatase inhibitor treatment, and the efficacy of vitamin E on the severity of osteoarthropathy, in breast cancer patients. METHODS Sixty two breast cancer patients treated with aromatase inhibitor for average of 1.77 years were included. These patients were orally administered vitamin E (150mg/day) for 29.8 days to alleviate aromatase inhibitor-related osteoarthropathy. Severity of osteoarthropathy was scored, and the patients were grouped based on the severity or vitamin E efficacy. Serum estradiol, progesterone, vitamin E, interferon-gamma (IFN-gamma), tumor necrosis factor-alpha (TNF-alpha), IL-2, IL-4, IL-6, IL-10, and IL-17A concentrations were measured by ELISA or beads array procedures followed by flow cytometry. RESULTS There was no significant difference in serum concentrations of the biomarkers between the severe and the mild osteoarthropathy groups before vitamin E administration. The osteoarthropathy scores significantly decreased after vitamin E administration (p=0.0243), while serum-estradiol concentrations did not change. The serum-estradiol concentrations before vitamin E administration in the group sensitive to the vitamin E efficacy were significantly lower, as compared with those in the insensitive group (p=0.0005). The rate of the highly sensitive patients to the vitamin E efficacy in those exhibiting low serum-estradiol concentrations was significantly higher than that in the high serum-estradiol group (p=0.0004). In the sensitive group, serum-estradiol concentrations after taking vitamin E were significantly higher than those before taking vitamin E (p=0.0124). CONCLUSIONS Vitamin E administration seemed to be a potential way for relieving osteoarthropathy complicated with aromatase inhibitor use. Using serum-estradiol concentration, it would be possible to select out the breast cancer patients who will respond well to the vitamin E therapy for osteoarthropathy complicated with aromatase inhibitor.
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Affiliation(s)
- Anna Kiyomi
- 1. Tokyo University of Pharmacy and Life Sciences, Department of Clinical Pharmacology, 1432-1 Horinouchi, Hachioji, Tokyo 192-0355, Japan
| | - Masujiro Makita
- 2. The Cancer Institute Hospital of JFCR, Department of Breast Oncology, 3-8-31 Ariake, Koto-ku, Tokyo 135-8550, Japan
| | - Takuji Iwase
- 2. The Cancer Institute Hospital of JFCR, Department of Breast Oncology, 3-8-31 Ariake, Koto-ku, Tokyo 135-8550, Japan
| | - Sachiko Tanaka
- 1. Tokyo University of Pharmacy and Life Sciences, Department of Clinical Pharmacology, 1432-1 Horinouchi, Hachioji, Tokyo 192-0355, Japan
| | - Kenji Onda
- 1. Tokyo University of Pharmacy and Life Sciences, Department of Clinical Pharmacology, 1432-1 Horinouchi, Hachioji, Tokyo 192-0355, Japan
| | - Kentaro Sugiyama
- 1. Tokyo University of Pharmacy and Life Sciences, Department of Clinical Pharmacology, 1432-1 Horinouchi, Hachioji, Tokyo 192-0355, Japan
| | - Hironori Takeuchi
- 3. Tokyo University of Pharmacy and Life Sciences, Department of Practical Pharmacy, 1432-1 Horinouchi, Hachioji, Tokyo 192-0355, Japan
| | - Toshihiko Hirano
- 1. Tokyo University of Pharmacy and Life Sciences, Department of Clinical Pharmacology, 1432-1 Horinouchi, Hachioji, Tokyo 192-0355, Japan
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Wang X, Zhu Y, Zheng S, Ni C, Zhao L, Liu C, Chen A, Xiao J. Amiloride inhibits osteoclastogenesis by suppressing nuclear factor-κB and mitogen-activated protein kinase activity in receptor activator of nuclear factor-κB-induced RAW264.7 cells. Mol Med Rep 2015; 11:3451-6. [PMID: 25592168 DOI: 10.3892/mmr.2015.3204] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/11/2014] [Accepted: 12/09/2014] [Indexed: 11/06/2022] Open
Abstract
Amiloride is widely used in clinical practice as a diuretic and is known to interact with the epithelial sodium channel and acid‑sensing ion channel proteins, as well as Na+/H+ antiporters and Na+/Ca2+ exchangers. The aim of the present study was to examine the effects of amiloride on receptor activator of nuclear factor‑κB ligand (RANKL)‑induced osteoclastogenesis and to elucidate the underlying mechanisms in the RAW264.7 murine macrophage cell line. The number of tartrate‑resistant acid phosphatase (TRAP)‑positive multinucleated cells were counted and the bone resorption area was estimated. In addition the expression levels of nuclear factor of activated T cells, cytoplasmic 1 (NFATc1) mRNA and osteoclast‑specific genes, including TRAP, matrix metalloproteinase 9, cathepsin K and osteoclast‑associated receptor, were examined using reverse transcription‑quantitative polymerase chain reaction. The nuclear factor‑κB (NF‑κB) and mitogen‑activated protein kinase (MAPK) signaling pathways were also investigated using western blotting. The results showed that amiloride significantly reduced the number of TRAP‑positive multinucleated cells as well as the bone resorption area. Amiloride also downregulated the expression of NFATc1 mRNA and inhibited the expression of osteoclast‑specific genes. A possible underlying mechanism may be that amiloride suppresses the degradation of the inhibitor of NF‑κB and blocks the activation of c‑Jun N‑terminal kinase, extracellular signal‑regulated kinase and p38, thus implicating the NF‑κB and MAPK pathway is this process. In conclusion, the current data suggest that amiloride is a strong inhibitor of osteoclast differentiation, indicating a novel indication for amiloride in the treatment of bone‑loss‑related diseases.
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Affiliation(s)
- Xiangdong Wang
- Department of Orthopedics, Tongji Hospital, Tongji Medical College of Huazhong University of Science and Technology, Wuhan, Hubei 430030, P.R. China
| | - Yuanli Zhu
- Department of Pathology, Tongji Hospital, Tongji Medical College of Huazhong University of Science and Technology, Wuhan, Hubei 430030, P.R. China
| | - Shouchao Zheng
- Department of Spine and Joints, Cangzhou Hospital of Integrated Traditional Chinese and Western Medicine, Hebei Medical University, Cangzhou, Hebei 061001, P.R. China
| | - Chaochao Ni
- Department of Endocrinology, Tongji Hospital, Tongji Medical College of Huazhong University of Science and Technology, Wuhan, Hubei 430030, P.R. China
| | - Libo Zhao
- Department of Orthopedics, Tongji Hospital, Tongji Medical College of Huazhong University of Science and Technology, Wuhan, Hubei 430030, P.R. China
| | - Changyu Liu
- Department of Orthopedics, Liyuan Hospital, Tongji Medical College of Huazhong University of Science and Technology, Wuhan, Hubei 430030, P.R. China
| | - Anmin Chen
- Department of Orthopedics, Tongji Hospital, Tongji Medical College of Huazhong University of Science and Technology, Wuhan, Hubei 430030, P.R. China
| | - Jun Xiao
- Department of Orthopedics, Tongji Hospital, Tongji Medical College of Huazhong University of Science and Technology, Wuhan, Hubei 430030, P.R. China
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Shin HS, Sarin R, Dixit N, Wu J, Gershwin E, Bowman EP, Adamopoulos IE. Crosstalk among IL-23 and DNAX activating protein of 12 kDa-dependent pathways promotes osteoclastogenesis. THE JOURNAL OF IMMUNOLOGY 2014; 194:316-24. [PMID: 25452564 DOI: 10.4049/jimmunol.1401013] [Citation(s) in RCA: 31] [Impact Index Per Article: 3.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 01/13/2023]
Abstract
IL-23 has been well studied in the context of T cell differentiation; however, its role in the differentiation of myeloid progenitors is less clear. In this paper, we describe a novel role of IL-23 in myeloid cell differentiation. Specifically, we have identified that in human PBMCs, IL-23 induces the expression of MDL-1, a PU.1 transcriptional target during myeloid differentiation, which orchestrates osteoclast differentiation through activation of DNAX activating protein of 12 kDa and its ITAMs. The molecular events that lead to the differentiation of human macrophages to terminally differentiated osteoclasts are dependent on spleen tyrosine kinase and phospholipase Cγ2 phosphorylation for the induction of intracellular calcium flux and the subsequent activation of master regulator osteoclast transcription factor NFATc1. IL-23-elicited osteoclastogenesis is independent of the receptor activator of NF-κB ligand pathway and uses a unique myeloid DNAX activating protein of 12 kDa-associated lectin-1(+)/DNAX activating protein of 12 kDa(+) cell subset. Our data define a novel pathway that is used by IL-23 in myeloid cells and identify a major mechanism for the stimulation of osteoclastogenesis in inflammatory arthritis.
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Affiliation(s)
- Hyun-Seock Shin
- Department of Internal Medicine, Division of Rheumatology, Allergy and Clinical Immunology, University of California, Davis, Davis, CA 95616
| | - Ritu Sarin
- Department of Internal Medicine, Division of Rheumatology, Allergy and Clinical Immunology, University of California, Davis, Davis, CA 95616
| | - Neha Dixit
- Department of Internal Medicine, Division of Rheumatology, Allergy and Clinical Immunology, University of California, Davis, Davis, CA 95616
| | - Jian Wu
- Division of Gastroenterology and Hepatology, Department of Internal Medicine, University of California Davis Medical Center, Sacramento, CA 95817
| | - Eric Gershwin
- Department of Internal Medicine, Division of Rheumatology, Allergy and Clinical Immunology, University of California, Davis, Davis, CA 95616
| | - Edward P Bowman
- Discovery Research, Department of Immunology and Immunomodulatory Receptors, Merck Research Laboratories, Palo Alto, CA 94304; and
| | - Iannis E Adamopoulos
- Department of Internal Medicine, Division of Rheumatology, Allergy and Clinical Immunology, University of California, Davis, Davis, CA 95616; Institute for Pediatric Regenerative Medicine, Shriners Hospitals for Children-Northern California, Sacramento, CA 95817
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mRNA of cytokines in bone marrow and bone biomarkers in response to propranolol in a nutritional growth retardation model. Pharmacol Rep 2014; 66:867-73. [DOI: 10.1016/j.pharep.2014.05.005] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/20/2014] [Revised: 04/30/2014] [Accepted: 05/06/2014] [Indexed: 11/15/2022]
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Cytokine-mediated bone destruction in rheumatoid arthritis. J Immunol Res 2014; 2014:263625. [PMID: 25295284 PMCID: PMC4176903 DOI: 10.1155/2014/263625] [Citation(s) in RCA: 105] [Impact Index Per Article: 10.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/24/2014] [Accepted: 05/27/2014] [Indexed: 12/29/2022] Open
Abstract
Bone homeostasis, which involves formation and resorption, is an important process for maintaining adequate bone mass in humans. Rheumatoid arthritis (RA) is an autoimmune disease characterized by inflammation and bone loss, leading to joint destruction and deformity, and is a representative disease of disrupted bone homeostasis. The bone loss and joint destruction are mediated by immunological insults by proinflammatory cytokines and various immune cells. The connection between bone and immunity has been intensely studied and comprises the emerging field of osteoimmunology. Osteoimmunology is an interdisciplinary science investigating the interplay between the skeletal and the immune systems. The main contributors in osteoimmunology are the bone effector cells, such as osteoclasts or osteoblasts, and the immune cells, particularly lymphocytes and monocytes. Physiologically, osteoclasts originate from immune cells, and immune cells regulate osteoblasts and vice versa. Pathological conditions such as RA might affect these interactions, thereby altering bone homeostasis, resulting in the unfavorable outcome of bone destruction. In this review, we describe the osteoclastogenic roles of the proinflammatory cytokines and immune cells that are important in the pathophysiology of RA.
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Chen YL, Weng SF, Shen YC, Chou CW, Yang CY, Wang JJ, Tien KJ. Obstructive sleep apnea and risk of osteoporosis: a population-based cohort study in Taiwan. J Clin Endocrinol Metab 2014; 99:2441-7. [PMID: 24735427 DOI: 10.1210/jc.2014-1718] [Citation(s) in RCA: 48] [Impact Index Per Article: 4.8] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 12/20/2022]
Abstract
BACKGROUND Obstructive sleep apnea (OSA) is associated with metabolic, endocrine, and cardiovascular diseases. It is characterized by repetitive episodes of apnea/hypopnea and hypoxia in tissues, which might also impact bone metabolism. This study investigates the possible association between OSA and osteoporosis. METHODS Random samples of 1 million individuals were collected from Taiwan's National Health Insurance database. A total of 1377 patients with newly diagnosed OSA from 2000 to 2008 were recruited and compared with a matched cohort of 20 655 patients without OSA. All patients were tracked until an osteoporosis diagnosis, death, or the end of 2011. RESULTS During the 6-year follow-up period, the incidence rates of osteoporosis in the OSA cohort and comparison group were 2.52 and 1.00 per 1000 person-years, respectively. Patients with OSA were found to be at 2.74 times the risk of osteoporosis than patients without OSA (95% confidence interval 1.69-4.44, P < .05), after adjustment for age, gender, diabetes, hypertension, coronary artery disease, obesity, stroke, hyperlipidemia, chronic kidney disease, gout, monthly income, and geographical location. Subgroup analysis showed that older patients and female patients had a higher risk for osteoporosis than their younger and male counterparts. Log-rank analysis revealed that patients with OSA patients had significantly higher cumulative incidence rates of osteoporosis than the comparison group (P < .0001). CONCLUSION People diagnosed with OSA are at increased risk for subsequent osteoporosis.
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Affiliation(s)
- Yu-Li Chen
- Division of Endocrinology and Metabolism (Y.-L.C., C.-W.C., C.-Y.Y., K.-J.T.), Department of Internal Medicine, and Department of Medical Research (S.-F.W., J.-J.W.), Chi Mei Medical Center, Tainan 710, Taiwan; Department of Hospital and Health Care Administration (S.-F.W.) and The Center of General Education (K.-J.T.), Chia Nan University of Pharmacy and Science, Tainan 717, Taiwan; and Department of Urology (Y.-C.S.), Kaohsiung Chang Gung Memorial Hospital, Kaohsiung 833, Taiwan
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Veronesi F, Pagani S, Della Bella E, Giavaresi G, Fini M. Estrogen deficiency does not decrease the in vitro osteogenic potential of rat adipose-derived mesenchymal stem cells. AGE (DORDRECHT, NETHERLANDS) 2014; 36:9647. [PMID: 24687841 PMCID: PMC4082606 DOI: 10.1007/s11357-014-9647-y] [Citation(s) in RCA: 9] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/13/2013] [Accepted: 03/18/2014] [Indexed: 05/13/2023]
Abstract
Osteoporosis due to estrogen deficiency is an increasing bone health issue worldwide: new strategies are being studied for regenerative medicine of bone pathologies in these patients. The most commonly used cells for tissue engineering therapy are the bone marrow mesenchymal stem cells (BMSCs), but they might be negatively affected by aging and estrogen deficiency. Besides the general advantages of adipose-derived mesenchymal stem cells (ADSCs) over BMSCs, ADSCs also seem to be less affected by aging than BMSCs, but in the literature, little is known about ADSCs in estrogen deficiency. The present study investigated the in vitro behavior of ADSCs, isolated from healthy (SHAM) and estrogen-deficient (OVX) rats. Phenotype, clonogenicity, viability, and osteogenic differentiation, at both cellular and molecular levels, were evaluated with or without osteogenic stimuli. Pro-inflammatory cytokines, growth factors, and adipogenic differentiation markers were also analyzed. There were no significant differences between OVX and SHAM ADSCs in some analyzed parameters. In addition, clonogenicity, osteopontin (Spp1) gene expression, alkaline phosphatase (ALP) activity at 2 weeks of culture, total collagen (COLL), osteocalcin (Bglap) gene expression and production, and matrix mineralization were significantly higher in OVX than in SHAM ADSCs. Besides the increase in some osteogenic markers, peroxisome proliferator-activated receptor gamma (Pparg) gene was also more expressed in OVX in osteogenic medium, with a concomitant estrogen receptor 1 (Esr1) gene expression decrease. These results underlined that ADSCs were not affected by estrogen deficiency in an osteogenic microenvironment.
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Affiliation(s)
- Francesca Veronesi
- Laboratory of Preclinical and Surgical Studies, Rizzoli Orthopedic Institute, Via Di Barbiano 1/10, 40136, Bologna, Italy,
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Kuchuk NO, Hoes JN, Bijlsma JWJ, Jacobs JWG. Glucocorticoid-induced osteoporosis: an overview. ACTA ACUST UNITED AC 2014. [DOI: 10.2217/ijr.14.24] [Citation(s) in RCA: 8] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
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45
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Matesanz MC, Linares J, Lilue I, Sánchez-Salcedo S, Feito MJ, Arcos D, Vallet-Regí M, Portolés MT. Nanocrystalline silicon substituted hydroxyapatite effects on osteoclast differentiation and resorptive activity. J Mater Chem B 2014; 2:2910-2919. [PMID: 32261486 DOI: 10.1039/c3tb21697g] [Citation(s) in RCA: 33] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
In the present study, the effects of nanocrystalline hydroxyapatite (nano-HA) and nanocrystalline Si-substituted hydroxyapatite (nano-SiHA) on osteoclast differentiation and resorptive activity have been evaluated in vitro using osteoclast-like cells. The action of these materials on proinflammatory and reparative macrophage populations was also studied. Nano-SiHA disks delayed the osteoclast differentiation and decreased the resorptive activity of these cells on their surface, as compared to nano-HA samples, without affecting cell viability. Powdered nano-SiHA also induced an increase of the reparative macrophage population. These results along with the beneficial effects on osteoblasts previously observed with powdered nano-SiHA suggest the potential of this biomaterial for modulating the fundamental processes of bone formation and turnover, preventing bone resorption and enhancing bone formation at implantation sites in treatment of osteoporotic bone and in bone repair and regeneration.
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Osta B, Benedetti G, Miossec P. Classical and Paradoxical Effects of TNF-α on Bone Homeostasis. Front Immunol 2014; 5:48. [PMID: 24592264 PMCID: PMC3923157 DOI: 10.3389/fimmu.2014.00048] [Citation(s) in RCA: 246] [Impact Index Per Article: 24.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/03/2014] [Accepted: 01/27/2014] [Indexed: 01/18/2023] Open
Abstract
Tumor necrosis factor-α (TNF-α) plays an essential role in the regulation of bone homeostasis in several chronic immune and inflammatory joint diseases, where inhibition of TNF has led to significant clinical improvement. However, TNF-activated pathways and mechanisms involved in bone remodeling remain unclear. So far, TNF-α was known as an inhibitor of osteoblast differentiation and an activator of osteoclastogenesis. Recent contradictory findings indicated that TNF-α can also activate osteoblastogenesis. The paradoxical role of TNF-α in bone homeostasis seems to depend on the concentration and the differentiation state of the cell type used as well as on the exposure time. This review aims to summarize the recent contradictory findings on the regulation of bone homeostasis by TNF-α at the isolated cell, whole bone, and whole body levels. In addition, the involvement of TNF-α in the bone remodeling imbalance is observed in inflammatory joint diseases including rheumatoid arthritis and ankylosing spondylitis, which are associated with bone destruction and ectopic calcified matrix formation, respectively. Both diseases are associated with systemic/vertebral osteoporosis.
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Affiliation(s)
- Bilal Osta
- Immunogenomics and Inflammation Research Unit EA 4130, Department of Immunology and Rheumatology, Hospital Edouard Herriot, University of Lyon 1 , Lyon , France
| | - Giulia Benedetti
- Immunogenomics and Inflammation Research Unit EA 4130, Department of Immunology and Rheumatology, Hospital Edouard Herriot, University of Lyon 1 , Lyon , France
| | - Pierre Miossec
- Immunogenomics and Inflammation Research Unit EA 4130, Department of Immunology and Rheumatology, Hospital Edouard Herriot, University of Lyon 1 , Lyon , France
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Long-term resveratrol treatment prevents ovariectomy-induced osteopenia in rats without hyperplastic effects on the uterus. Br J Nutr 2013; 111:836-46. [PMID: 24073920 DOI: 10.1017/s0007114513003115] [Citation(s) in RCA: 55] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/05/2022]
Abstract
Resveratrol (Res), a polyphenol that is abundant in many medicinal plants and is a selective oestrogen receptor modulator, exhibits multiple biological activities. In the present study, we determined whether Res prevents oestrogen deficiency-induced osteopenia and whether Res administration decreases pathological changes in the endometrium and lumen of the uterus compared with oestradiol replacement therapy (ERT). A total of sixty 3-4-month-old female Wistar rats were randomly divided into a sham-operated group (Sham) and five ovariectomy (OVX) subgroups, i.e. OVX rats as a control group (OVX); OVX rats receiving oestradiol valerate (ERT, 0·8 mg/kg); and OVX rats receiving Res 20, 40 and 80 mg/kg. Daily oral administration was initiated at week 2 after OVX for 12 weeks. A dose-response difference was observed in the effects of Res on bone mineral density (BMD) and trabecular microarchitecture. Only at the highest dose, bone loss was almost equivalent to that observed in the ERT group. The dose-response effects of Res on the biochemical parameters (alkaline phosphatase, IL-6, TNF-α and transforming growth factor-β1 concentrations in the serum as well as urinary Ca and P excretion) and the expressions of receptor activator of nuclear factor κB ligand (RANKL) and the RANKL:osteoprotegerin protein ratio in the femur were also observed. Furthermore, the thickening of the endometrium and the infiltration of lymphocytes were prevented in all the three Res-treated groups compared with the ERT group. In conclusion, Res treatment not only improves BMD and trabecular microarchitecture but also does not affect the uterus and Res might be a potential remedy for the treatment of postmenopausal osteoporosis.
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