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Wu T, Zheng F, Tang HY, Li HZ, Cui XY, Ding S, Liu D, Li CY, Jiang JH, Yang RL. Low-intensity pulsed ultrasound reduces alveolar bone resorption during orthodontic treatment via Lamin A/C-Yes-associated protein axis in stem cells. World J Stem Cells 2024; 16:267-286. [PMID: 38577236 PMCID: PMC10989285 DOI: 10.4252/wjsc.v16.i3.267] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 10/26/2023] [Revised: 12/30/2023] [Accepted: 02/01/2024] [Indexed: 03/25/2024] Open
Abstract
BACKGROUND The bone remodeling during orthodontic treatment for malocclusion often requires a long duration of around two to three years, which also may lead to some complications such as alveolar bone resorption or tooth root resorption. Low-intensity pulsed ultrasound (LIPUS), a noninvasive physical therapy, has been shown to promote bone fracture healing. It is also reported that LIPUS could reduce the duration of orthodontic treatment; however, how LIPUS regulates the bone metabolism during the orthodontic treatment process is still unclear. AIM To investigate the effects of LIPUS on bone remodeling in an orthodontic tooth movement (OTM) model and explore the underlying mechanisms. METHODS A rat model of OTM was established, and alveolar bone remodeling and tooth movement rate were evaluated via micro-computed tomography and staining of tissue sections. In vitro, human bone marrow mesenchymal stem cells (hBMSCs) were isolated to detect their osteogenic differentiation potential under compression and LIPUS stimulation by quantitative reverse transcription-polymerase chain reaction, Western blot, alkaline phosphatase (ALP) staining, and Alizarin red staining. The expression of Yes-associated protein (YAP1), the actin cytoskeleton, and the Lamin A/C nucleoskeleton were detected with or without YAP1 small interfering RNA (siRNA) application via immunofluorescence. RESULTS The force treatment inhibited the osteogenic differentiation potential of hBMSCs; moreover, the expression of osteogenesis markers, such as type 1 collagen (COL1), runt-related transcription factor 2, ALP, and osteocalcin (OCN), decreased. LIPUS could rescue the osteogenic differentiation of hBMSCs with increased expression of osteogenic marker inhibited by force. Mechanically, the expression of LaminA/C, F-actin, and YAP1 was downregulated after force treatment, which could be rescued by LIPUS. Moreover, the osteogenic differentiation of hBMSCs increased by LIPUS could be attenuated by YAP siRNA treatment. Consistently, LIPUS increased alveolar bone density and decreased vertical bone absorption in vivo. The decreased expression of COL1, OCN, and YAP1 on the compression side of the alveolar bone was partially rescued by LIPUS. CONCLUSION LIPUS can accelerate tooth movement and reduce alveolar bone resorption by modulating the cytoskeleton-Lamin A/C-YAP axis, which may be a promising strategy to reduce the orthodontic treatment process.
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Affiliation(s)
- Tong Wu
- Department of Orthodontics, Peking University School and Hospital of Stomatology, National Engineering Laboratory for Digital and Material Technology of Stomatology, Beijing Key Laboratory of Digital Stomatology, Beijing 100081, China
| | - Fu Zheng
- Department of Orthodontics, Peking University School and Hospital of Stomatology, National Engineering Laboratory for Digital and Material Technology of Stomatology, Beijing Key Laboratory of Digital Stomatology, Beijing 100081, China
| | - Hong-Yi Tang
- Department of Orthodontics, Peking University School and Hospital of Stomatology, National Engineering Laboratory for Digital and Material Technology of Stomatology, Beijing Key Laboratory of Digital Stomatology, Beijing 100081, China
| | - Hua-Zhi Li
- Department of Orthodontics, Peking University School and Hospital of Stomatology, National Engineering Laboratory for Digital and Material Technology of Stomatology, Beijing Key Laboratory of Digital Stomatology, Beijing 100081, China
| | - Xin-Yu Cui
- Department of Orthodontics, Peking University School and Hospital of Stomatology, National Engineering Laboratory for Digital and Material Technology of Stomatology, Beijing Key Laboratory of Digital Stomatology, Beijing 100081, China
| | - Shuai Ding
- Department of Orthodontics, Peking University School and Hospital of Stomatology, National Engineering Laboratory for Digital and Material Technology of Stomatology, Beijing Key Laboratory of Digital Stomatology, Beijing 100081, China
| | - Duo Liu
- Department of Orthodontics, Peking University School and Hospital of Stomatology, National Engineering Laboratory for Digital and Material Technology of Stomatology, Beijing Key Laboratory of Digital Stomatology, Beijing 100081, China
| | - Cui-Ying Li
- Department of Central Laboratory, Peking University School and Hospital of Stomatology, National Clinical Research Center for Oral Diseases & National Engineering Laboratory for Digital and Material Technology of Stomatology, Beijing Key Laboratory of Digital Stomatology, Beijing 100081, China
| | - Jiu-Hui Jiang
- Department of Orthodontics, Peking University School and Hospital of Stomatology, National Engineering Laboratory for Digital and Material Technology of Stomatology, Beijing Key Laboratory of Digital Stomatology, Beijing 100081, China
| | - Rui-Li Yang
- Department of Orthodontics, Peking University School and Hospital of Stomatology, National Engineering Laboratory for Digital and Material Technology of Stomatology, Beijing Key Laboratory of Digital Stomatology, Beijing 100081, China.
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Wang X, Sun B, Wang Y, Gao P, Song J, Chang W, Xiao Z, Xi Y, Li Z, An F, Yan C. Research progress of targeted therapy regulating Th17/Treg balance in bone immune diseases. Front Immunol 2024; 15:1333993. [PMID: 38352872 PMCID: PMC10861655 DOI: 10.3389/fimmu.2024.1333993] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/06/2023] [Accepted: 01/16/2024] [Indexed: 02/16/2024] Open
Abstract
Rheumatoid arthritis (RA) and postmenopausal osteoporosis (PMOP) are common bone-immune diseases. The imbalance between helper (Th17) and regulatory T cells (Tregs) produced during differentiation of CD4+ T cells plays a key regulatory role in bone remodelling disorders in RA and PMOP. However, the specific regulatory mechanism of this imbalance in bone remodelling in RA and PMOP has not been clarified. Identifying the regulatory mechanism underlying the Th17/Treg imbalance in RA and PMOP during bone remodelling represents a key factor in the research and development of new drugs for bone immune diseases. In this review, the potential roles of Th17, Treg, and Th17/Treg imbalance in regulating bone remodelling in RA and PMOP have been summarised, and the potential mechanisms by which probiotics, traditional Chinese medicine compounds, and monomers maintain bone remodelling by regulating the Th17/Treg balance are expounded. The maintenance of Th17/Treg balance could be considered as an therapeutic alternative for the treatment of RA and PMOP. This study also summarizes the advantages and disadvantages of conventional treatments and the quality of life and rehabilitation of patients with RA and PMOP. The findings presented her will provide a better understanding of the close relationship between bone immunity and bone remodelling in chronic bone diseases and new ideas for future research, prevention, and treatment of bone immune diseases.
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Affiliation(s)
- Xiaxia Wang
- School of Traditional Chinese and Western Medicine, Gansu University of Chinese Medicine, Lanzhou, Gansu, China
| | - Bai Sun
- School of Traditional Chinese and Western Medicine, Gansu University of Chinese Medicine, Lanzhou, Gansu, China
| | - Yujie Wang
- School of Traditional Chinese and Western Medicine, Gansu University of Chinese Medicine, Lanzhou, Gansu, China
| | - Peng Gao
- School of Basic Medicine, Gansu University of Chinese Medicine, Lanzhou, Gansu, China
| | - Jiayi Song
- School of Basic Medicine, Gansu University of Chinese Medicine, Lanzhou, Gansu, China
| | - Weirong Chang
- School of Basic Medicine, Gansu University of Chinese Medicine, Lanzhou, Gansu, China
| | - Zhipan Xiao
- School of Traditional Chinese and Western Medicine, Gansu University of Chinese Medicine, Lanzhou, Gansu, China
| | - Yongbin Xi
- Orthopaedics Department, The No.2 People's Hospital of Lanzhou, Lanzhou, Gansu, China
| | - Zhonghong Li
- Pathological Research Centre, Gansu University of Chinese Medicine, Lanzhou, Gansu, China
| | - Fangyu An
- Teaching Experiment Training Centre, Gansu University of Chinese Medicine, Lanzhou, Gansu, China
| | - Chunlu Yan
- School of Traditional Chinese and Western Medicine, Gansu University of Chinese Medicine, Lanzhou, Gansu, China
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Ye Z, Wang Y, Xiang B, Wang H, Tao H, Zhang C, Zhang S, Sun D, Luo F, Song L. Roles of the Siglec family in bone and bone homeostasis. Biomed Pharmacother 2023; 165:115064. [PMID: 37413904 DOI: 10.1016/j.biopha.2023.115064] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/18/2023] [Revised: 06/23/2023] [Accepted: 06/23/2023] [Indexed: 07/08/2023] Open
Abstract
Tremendous progress has been seen in the study of the role of sialic acid binding im-munoglobulin type lectins (Siglecs) in osteoimmunology in the past two decades. Interest in Siglecs as immune checkpoints has grown from the recognition that Siglecs have relevance to human disease. Siglecs play important roles in inflammation and cancer, and play key roles in immune cell signaling. By recognizing common sialic acid containing glycans on glycoproteins and glycolipids as regulatory receptors for immune cell signals, Siglecs are expressed on most immune cells and play important roles in normal homeostasis and self-tolerance. In this review, we describe the role that the siglec family plays in bone and bone homeostasis, including the regulation of osteoclast differentiation as well as recent advances in inflammation, cancer and osteoporosis. Particular emphasis is placed on the relevant functions of Siglecs in self-tolerance and as pattern recognition receptors in immune responses, thereby potentially providing emerging strategies for the treatment of bone related diseases.
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Affiliation(s)
- Zi Ye
- The Fourth Corps of Students of the Basic Medical College, Army Medical University, Chongqing 400037, China
| | - Yetong Wang
- The Fourth Corps of Students of the Basic Medical College, Army Medical University, Chongqing 400037, China
| | - Binqing Xiang
- Department of Surgical Anesthesia, First Affiliated Hospital, Army Medical University, Chongqing 400038, China
| | - Heng Wang
- Army Border Defense 331st Brigade, Dandong 118000, China
| | - Haiyan Tao
- Health Management Center, First Affiliated Hospital, Army Medical University, Chongqing 400038, China
| | - Chengmin Zhang
- Department of Orthopaedics, First Affiliated Hospital, Army Medical University, Chongqing 400038, China
| | - Shuai Zhang
- Department of Orthopaedics, First Affiliated Hospital, Army Medical University, Chongqing 400038, China
| | - Dong Sun
- Department of Orthopaedics, First Affiliated Hospital, Army Medical University, Chongqing 400038, China.
| | - Fei Luo
- Department of Orthopaedics, First Affiliated Hospital, Army Medical University, Chongqing 400038, China.
| | - Lei Song
- Department of Orthopaedics, First Affiliated Hospital, Army Medical University, Chongqing 400038, China.
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Zhu L, Wang Z, Sun X, Yu J, Li T, Zhao H, Ji Y, Peng B, Du M. STAT3/Mitophagy Axis Coordinates Macrophage NLRP3 Inflammasome Activation and Inflammatory Bone Loss. J Bone Miner Res 2023; 38:335-353. [PMID: 36502520 DOI: 10.1002/jbmr.4756] [Citation(s) in RCA: 9] [Impact Index Per Article: 9.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 03/29/2022] [Revised: 11/06/2022] [Accepted: 11/30/2022] [Indexed: 12/14/2022]
Abstract
Signal transducer and activator of transcription 3 (STAT3), a cytokine-responsive transcription factor, is known to play a role in immunity and bone remodeling. However, whether and how STAT3 impacts macrophage NLR family pyrin domain containing 3 (NLRP3) inflammasome activation associated with inflammatory bone loss remains unknown. Here, STAT3 signaling is hyperactivated in macrophages in the context of both non-sterile and sterile inflammatory osteolysis, and this was highly correlated with the cleaved interleukin-1β (IL-1β) expression pattern. Strikingly, pharmacological inhibition of STAT3 markedly blocks macrophage NLRP3 inflammasome activation in vitro, thereby relieving inflammatory macrophage-amplified osteoclast formation and bone-resorptive activity. Mechanistically, STAT3 inhibition in macrophages triggers PTEN-induced kinase 1 (PINK1)-dependent mitophagy that eliminates dysfunctional mitochondria, reverses mitochondrial membrane potential collapse, and inhibits mitochondrial reactive oxygen species release, thus inactivating the NLRP3 inflammasome. In vivo, STAT3 inhibition effectively protects mice from both infection-induced periapical lesions and aseptic titanium particle-mediated calvarial bone erosion with potent induction of PINK1 and downregulation of inflammasome activation, macrophage infiltration, and osteoclast formation. This study reveals the regulatory role of the STAT3/mitophagy axis at the osteo-immune interface and highlights a potential therapeutic intervention to prevent inflammatory bone loss. © 2022 American Society for Bone and Mineral Research (ASBMR).
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Affiliation(s)
- Lingxin Zhu
- The State Key Laboratory Breeding Base of Basic Science of Stomatology (Hubei-MOST) & Key Laboratory of Oral Biomedicine Ministry of Education, School & Hospital of Stomatology, Wuhan University, Wuhan, China
| | - Zijun Wang
- The State Key Laboratory Breeding Base of Basic Science of Stomatology (Hubei-MOST) & Key Laboratory of Oral Biomedicine Ministry of Education, School & Hospital of Stomatology, Wuhan University, Wuhan, China
| | - Xiaoyue Sun
- The State Key Laboratory Breeding Base of Basic Science of Stomatology (Hubei-MOST) & Key Laboratory of Oral Biomedicine Ministry of Education, School & Hospital of Stomatology, Wuhan University, Wuhan, China
| | - Jingjing Yu
- The State Key Laboratory Breeding Base of Basic Science of Stomatology (Hubei-MOST) & Key Laboratory of Oral Biomedicine Ministry of Education, School & Hospital of Stomatology, Wuhan University, Wuhan, China
| | - Ting Li
- The State Key Laboratory Breeding Base of Basic Science of Stomatology (Hubei-MOST) & Key Laboratory of Oral Biomedicine Ministry of Education, School & Hospital of Stomatology, Wuhan University, Wuhan, China
| | - Huan Zhao
- The State Key Laboratory Breeding Base of Basic Science of Stomatology (Hubei-MOST) & Key Laboratory of Oral Biomedicine Ministry of Education, School & Hospital of Stomatology, Wuhan University, Wuhan, China
| | - Yaoting Ji
- The State Key Laboratory Breeding Base of Basic Science of Stomatology (Hubei-MOST) & Key Laboratory of Oral Biomedicine Ministry of Education, School & Hospital of Stomatology, Wuhan University, Wuhan, China
| | - Bin Peng
- The State Key Laboratory Breeding Base of Basic Science of Stomatology (Hubei-MOST) & Key Laboratory of Oral Biomedicine Ministry of Education, School & Hospital of Stomatology, Wuhan University, Wuhan, China
| | - Minquan Du
- The State Key Laboratory Breeding Base of Basic Science of Stomatology (Hubei-MOST) & Key Laboratory of Oral Biomedicine Ministry of Education, School & Hospital of Stomatology, Wuhan University, Wuhan, China
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Lončar SR, Halcrow SE, Swales D. Osteoimmunology: The effect of autoimmunity on fracture healing and skeletal analysis. Forensic Sci Int Synerg 2023; 6:100326. [PMID: 37091290 PMCID: PMC10120377 DOI: 10.1016/j.fsisyn.2023.100326] [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: 01/24/2023] [Revised: 02/27/2023] [Accepted: 03/08/2023] [Indexed: 04/25/2023]
Abstract
Understanding factors that affect bone response to trauma is integral to forensic skeletal analysis. It is essential in forensic anthropology to identify if impaired fracture healing impacts assessment of post-traumatic time intervals and whether a correction factor is required. This paper presents a synthetic review of the intersection of the literature on the immune system, bone biology, and osteoimmunological research to present a novel model of interactions that may affect fracture healing under autoimmune conditions. Results suggest that autoimmunity likely impacts fracture healing, the pathogenesis however, is under researched, but likely multifactorial. With autoimmune diseases being relatively common, significant clinical history should be incorporated when assessing skeletal remains. Future research includes the true natural healing rate of bone; effect of autoimmunity on this rate; variation of healing with different autoimmune diseases; and if necessary, development of a correction factor on the natural healing rate to account for impairment in autoimmunity.
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Affiliation(s)
- Stephie R. Lončar
- Centre for Anatomy and Human Identification, School of Science and Engineering, University of Dundee, Scotland, United Kingdom
- Department of Anatomy, University of Otago, New Zealand
- Corresponding author. Centre for Anatomy and Human Identification School of Science and Engineering, MSI/WTB Complex, University of Dundee, Dow Street, Dundee, DD1 5EH, Scotland, United Kingdom.
| | - Siân E. Halcrow
- Department of Anatomy, University of Otago, New Zealand
- Corresponding author. Biological Anthropology Research Group, Department of Anatomy, 270 Great King Street, University of Otago, Dunedin, 9016, New Zealand.
| | - Diana Swales
- Centre for Anatomy and Human Identification, School of Science and Engineering, University of Dundee, Scotland, United Kingdom
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Dharmshaktu G. “Osteomicrobiology,” “Osteoimmunology,” and “Immunoporosis”- promising frontiers to study bone health and homeostasis. JOURNAL OF ORTHOPAEDIC DISEASES AND TRAUMATOLOGY 2023. [DOI: 10.4103/jodp.jodp_80_22] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/27/2022] Open
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Butylina M, Föger-Samwald U, Gamsjaeger S, Wahl-Figlash K, Kothmayer M, Paschalis EP, Pusch O, Pietschmann P. Nothobranchius furzeri, the Turquoise Killifish: A Model of Age-Related Osteoporosis? Gerontology 2022; 68:1415-1427. [PMID: 35472763 PMCID: PMC9838087 DOI: 10.1159/000524300] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/04/2021] [Accepted: 03/16/2022] [Indexed: 01/17/2023] Open
Abstract
INTRODUCTION Osteoporosis is a frequent age-related disease, which affects millions of people worldwide. Despite significant progress in the treatment of the disease, a high number of patients still are underdiagnosed and undertreated. Therefore, novel animal models for the investigation of the disease are necessary. Nothobranchius furzeri is the shortest-lived vertebrate (with a lifespan of 3-7 months) that can be kept in captivity. Although it is an established model for aging research, studies on bone are lacking. The aim of this study was therefore to characterize N. furzeri as a potential model for age-related osteoporosis. MATERIALS AND METHODS Bone properties of aging N. furzeri were investigated in male and female fish of the Gona Re Zhou strain, which were between 8 and 20 weeks old. Micro-computed tomography (Scanco Medical µCT35) was performed to determine the bone properties of the vertebral bodies. Bone structure and remodeling were investigated by different histological staining techniques and histomorphometry. The chemical composition of fish vertebrae and intervertebral discs was analyzed by Raman microspectroscopy. RESULTS Osteoblasts, mono- and multinucleated osteoclasts but no osteocytes could be observed in the vertebral area of N. furzeri. Histomorphometric evaluations revealed a significant decrease of the number of osteoblasts/bone perimeter and for osteoid volume/bone volume (BV) a trend toward a decrease in old male N. furzeri. Comparing male and female fish, males showed higher BV densities and cortical thickness. The relative values of the bone volume density of 20-week-old male N. furzeri were significantly lower than 10-week-old ones. The mineral to matrix ratio increased with age in male and female fish. In the intervertebral discs, proteoglycans in relation to the organic matrix were significantly lower in older female fish. CONCLUSION Our finding of a lack of osteocytes is in agreement with the fact that N. furzeri belongs to the evolutionarily advanced teleost fish. Furthermore, not only age-specific but also sex-specific differences were visible in the bone properties of N. furzeri, which can be taken into consideration for the study of gender aspects of age-related musculoskeletal diseases.
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Affiliation(s)
- Maria Butylina
- Institute for Pathophysiology and Allergy Research (IPA), Center for Pathophysiology, Infectiology and Immunology, Medical University of Vienna, Vienna, Austria
| | - Ursula Föger-Samwald
- Institute for Pathophysiology and Allergy Research (IPA), Center for Pathophysiology, Infectiology and Immunology, Medical University of Vienna, Vienna, Austria,*Ursula Föger-Samwald,
| | - Sonja Gamsjaeger
- 1st Medical Department, Ludwig Boltzmann Institute of Osteology at the Hanusch Hospital of WGKK and AUVA Trauma Centre Meidling, Hanusch Hospital, Vienna, Austria
| | - Katharina Wahl-Figlash
- Institute for Pathophysiology and Allergy Research (IPA), Center for Pathophysiology, Infectiology and Immunology, Medical University of Vienna, Vienna, Austria
| | - Michael Kothmayer
- Center of Anatomy and Cell Biology, Medical University of Vienna, Vienna, Austria
| | - Eleftherios P. Paschalis
- 1st Medical Department, Ludwig Boltzmann Institute of Osteology at the Hanusch Hospital of WGKK and AUVA Trauma Centre Meidling, Hanusch Hospital, Vienna, Austria
| | - Oliver Pusch
- Center of Anatomy and Cell Biology, Medical University of Vienna, Vienna, Austria
| | - Peter Pietschmann
- Institute for Pathophysiology and Allergy Research (IPA), Center for Pathophysiology, Infectiology and Immunology, Medical University of Vienna, Vienna, Austria
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Deloch L, Filkova M, Tomcik M. Editorial: Osteoarticular-immunological interplay in response to disease and therapy. Front Immunol 2022; 13:1052196. [PMID: 36304462 PMCID: PMC9593043 DOI: 10.3389/fimmu.2022.1052196] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [MESH Headings] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/23/2022] [Accepted: 09/28/2022] [Indexed: 11/13/2022] Open
Affiliation(s)
- Lisa Deloch
- Department of Radiation Oncology, Universitätsklinikum Erlangen, Friedrich-Alexander-Universität Erlangen-Nürnberg, Erlangen, Germany
- Translational Radiobiology, Department of Radiation Oncology, Universitätsklinikum Erlangen, Friedrich-Alexander-Universität Erlangen-Nürnberg, Erlangen, Germany
| | - Maria Filkova
- Institute of Rheumatology, Department of Rheumatology, 1st Faculty of Medicine, Charles University, Prague, Czechia
- *Correspondence: Maria Filkova,
| | - Michal Tomcik
- Institute of Rheumatology, Department of Rheumatology, 1st Faculty of Medicine, Charles University, Prague, Czechia
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Damani JJ, De Souza MJ, VanEvery HL, Strock NCA, Rogers CJ. The Role of Prunes in Modulating Inflammatory Pathways to Improve Bone Health in Postmenopausal Women. Adv Nutr 2022; 13:1476-1492. [PMID: 34978320 PMCID: PMC9526830 DOI: 10.1093/advances/nmab162] [Citation(s) in RCA: 13] [Impact Index Per Article: 6.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/20/2021] [Revised: 10/31/2021] [Accepted: 12/30/2021] [Indexed: 01/28/2023] Open
Abstract
The prevalence of osteoporosis among women aged 50 y and older is expected to reach 13.6 million by 2030. Alternative nonpharmaceutical agents for osteoporosis, including nutritional interventions, are becoming increasingly popular. Prunes (dried plums; Prunus domestica L.) have been studied as a potential whole-food dietary intervention to mitigate bone loss in preclinical models of osteoporosis and in osteopenic postmenopausal women. Sixteen preclinical studies using in vivo rodent models of osteopenia or osteoporosis have established that dietary supplementation with prunes confers osteoprotective effects both by preventing and reversing bone loss. Increasing evidence from 10 studies suggests that, in addition to antiresorptive effects, prunes exert anti-inflammatory and antioxidant effects. Ten preclinical studies have found that prunes and/or their polyphenol extracts decrease malondialdehyde and NO secretion, increase antioxidant enzyme expression, or suppress NF-κB activation and proinflammatory cytokine production. Two clinical trials have investigated the impact of dried plum consumption (50-100 g/d for 6-12 mo) on bone health in postmenopausal women and demonstrated promising effects on bone mineral density and bone biomarkers. However, less is known about the impact of prune consumption on oxidative stress and inflammatory mediators in humans and their possible role in modulating bone outcomes. In this review, the current state of knowledge on the relation between inflammation and bone health is outlined. Findings from preclinical and clinical studies that have assessed the effect of prunes on oxidative stress, inflammatory mediators, and bone outcomes are summarized, and evidence supporting a potential role of prunes in modulating inflammatory and immune pathways is highlighted. Key future directions to bridge the knowledge gap in the field are proposed.
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Affiliation(s)
- Janhavi J Damani
- Intercollege Graduate Degree Program in Integrative and Biomedical Physiology, Huck Institutes of the Life Sciences, The Pennsylvania State University, University Park, PA, USA
| | - Mary Jane De Souza
- Department of Kinesiology, The Pennsylvania State University, University Park, PA, USA
| | - Hannah L VanEvery
- Department of Nutritional Sciences, The Pennsylvania State University, University Park, PA, USA
| | - Nicole C A Strock
- Department of Kinesiology, The Pennsylvania State University, University Park, PA, USA
| | - Connie J Rogers
- Department of Nutritional Sciences, The Pennsylvania State University, University Park, PA, USA
- Center for Molecular Immunology and Infectious Disease, Huck Institutes of the Life Sciences, The Pennsylvania State University, University Park, PA, USA
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Sasaki K, Takeshita N, Fukunaga T, Seiryu M, Sakamoto M, Oyanagi T, Maeda T, Takano-Yamamoto T. Vibration accelerates orthodontic tooth movement by inducing osteoclastogenesis via transforming growth factor-β signalling in osteocytes. Eur J Orthod 2022; 44:698-704. [DOI: 10.1093/ejo/cjac036] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/14/2022]
Abstract
Abstract
Background
We previously found the conditions of supplementary vibration that accelerated tooth movement and induced bone resorption in an experimental rat tooth movement model. However, the molecular biological mechanisms underlying supplementary vibration-induced orthodontic tooth movement are not fully understood. Transforming growth factor (TGF)-β upregulates osteoclastogenesis via induction of the receptor activator of nuclear factor kappa B ligand expression, thus TGF-β is considered an essential cytokine to induce bone resorption.
Objectives
The aim of this study is to examine the role of TGF-β during the acceleration of orthodontic tooth movement by supplementary vibration.
Materials and methods
In experimental tooth movement, 15 g of orthodontic force was loaded onto the maxillary right first molar for 28 days. Supplementary vibration (3 g, 70 Hz) was applied to the maxillary first molar for 3 min on days 0, 7, 14, and 21. TGF-β receptor inhibitor SB431542 was injected into the submucosal palatal and buccal areas of the maxillary first molars once every other day. The co-culture of RAW264.7 cells and MLO-Y4 cells was used as an in vitro osteoclastogenesis model.
Results
SB431542 suppressed the acceleration of tooth movement and the increase in the number of osteoclasts by supplementary vibration in our experimental rat tooth movement model. Immunohistochemical analysis showed supplementary vibration increased the number of TGF-β1-positive osteocytes in the alveolar bone on the compression side during the experimental tooth movement. Moreover, vibration-upregulated TGF-β1 in MLO-Y4 cells induced osteoclastogenesis.
Conclusions
Orthodontic tooth movement was accelerated by supplementary vibration through the promotion of the production of TGF-β1 in osteocytes and subsequent osteoclastogenesis.
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Affiliation(s)
- Kiyo Sasaki
- Division of Orthodontics and Dentofacial Orthopedics, Graduate School of Dentistry, Tohoku University , Sendai, Miyagi , Japan
| | - Nobuo Takeshita
- Division of Orthodontics and Dentofacial Orthopedics, Graduate School of Dentistry, Tohoku University , Sendai, Miyagi , Japan
- Section of Orthodontics and Dentofacial Orthopedics, Faculty of Dental Science, Kyushu University , Fukuoka, Fukuoka , Japan
| | - Tomohiro Fukunaga
- Division of Orthodontics and Dentofacial Orthopedics, Graduate School of Dentistry, Tohoku University , Sendai, Miyagi , Japan
| | - Masahiro Seiryu
- Division of Orthodontics and Dentofacial Orthopedics, Graduate School of Dentistry, Tohoku University , Sendai, Miyagi , Japan
| | - Mayuri Sakamoto
- Division of Orthodontics and Dentofacial Orthopedics, Graduate School of Dentistry, Tohoku University , Sendai, Miyagi , Japan
| | - Toshihito Oyanagi
- Division of Orthodontics and Dentofacial Orthopedics, Graduate School of Dentistry, Tohoku University , Sendai, Miyagi , Japan
| | - Toshihiro Maeda
- Division of Orthodontics and Dentofacial Orthopedics, Graduate School of Dentistry, Tohoku University , Sendai, Miyagi , Japan
| | - Teruko Takano-Yamamoto
- Division of Orthodontics and Dentofacial Orthopedics, Graduate School of Dentistry, Tohoku University , Sendai, Miyagi , Japan
- Department of Biomaterials and Bioengineering, Faculty of Dental Medicine, Hokkaido University , Sapporo, Hokkaido , Japan
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Omidvar MH, Soltani-Zangbar MS, Zamani M, Motavalli R, Jafarpoor M, Dolati S, Ahmadi M, Mehdizadeh A, Khabbazi A, Hajialilo M, Yousefi M. The effect of osteoporotic and non-osteoporotic individuals' T cell-derived exosomes on osteoblast cells' bone remodeling related genes expression and alkaline phosphatase activity. BMC Res Notes 2022; 15:272. [PMID: 35941659 PMCID: PMC9358836 DOI: 10.1186/s13104-022-06139-4] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/09/2022] [Accepted: 06/30/2022] [Indexed: 12/03/2022] Open
Abstract
Objectives Osteoporosis is a common skeletal disorder attributed to age and is defined as a systematic degradation of bone mass and the microarchitecture leading to bone fractures. Exosomes have been reported in almost all biological fluids and during the failure of bone remodeling. 20 ml of blood samples were obtained from osteoporotic and non-osteoporotic postmenopausal women. After the isolation of peripheral blood mononuclear cells (PBMCs), T cells were separated via the magnetic-activated cell sorting (MACS) technique. Exosomes were driven from T cells of non-osteoporotic and osteoporotic volunteers. Subsequently, normal osteoblasts were treated with obtained T cell exosomes to assess osteoblastic function and gene expression. Results Runx2, type I collagen, osteopontin, and osteocalcin expression decreased in osteoblasts treated by osteoporotic T cell exosomes. In contrast, an increased expression of the mentioned genes was observed following non-osteoporotic T cell exosome treatment. Additionally, osteoblast alkaline phosphatase (ALP) activity treated with non-osteoporotic T cell exosomes increased. However, this activity decreased in another group. Our data demonstrated that T cell exosomes obtained from osteoporotic and non-osteoporotic individuals could alter the osteoblastic function and gene expression by affecting the genes essential for bone remodeling. Supplementary Information The online version contains supplementary material available at 10.1186/s13104-022-06139-4.
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Affiliation(s)
- Mohammad Hasan Omidvar
- Connective Tissue Diseases Research Center, Tabriz University of Medical Sciences, Tabriz, Iran
| | - Mohammad Sadegh Soltani-Zangbar
- Student Research Committee, Tabriz University of Medical Sciences, Tabriz, Iran.,Stem Cell Research Center, Tabriz University of Medical Sciences, Tabriz, Iran.,Department of Immunology, School of Medicine, Tabriz University of Medical Sciences, Tabriz, Iran
| | - Majid Zamani
- Department of Medical Laboratory Sciences, Faculty of Allied Medicine, Infectious Diseases Research Center, Gonabad University of Medical Sciences, Gonabad, Iran
| | - Roza Motavalli
- Stem Cell Research Center, Tabriz University of Medical Sciences, Tabriz, Iran
| | - Mehdi Jafarpoor
- Connective Tissue Diseases Research Center, Tabriz University of Medical Sciences, Tabriz, Iran
| | - Sanam Dolati
- Physical Medicine and Rehabilitation Research Center, Aging Research Institute, Tabriz University of Medical Sciences, Tabriz, Iran
| | - Majid Ahmadi
- Stem Cell Research Center, Tabriz University of Medical Sciences, Tabriz, Iran
| | - Amir Mehdizadeh
- Hematology and Oncology Research Center, Tabriz University of Medical Sciences, Tabriz, Iran
| | - Alireza Khabbazi
- Connective Tissue Diseases Research Center, Tabriz University of Medical Sciences, Tabriz, Iran
| | - Mehrzad Hajialilo
- Connective Tissue Diseases Research Center, Tabriz University of Medical Sciences, Tabriz, Iran.
| | - Mehdi Yousefi
- Stem Cell Research Center, Tabriz University of Medical Sciences, Tabriz, Iran. .,Department of Immunology, School of Medicine, Tabriz University of Medical Sciences, Tabriz, Iran.
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12
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Xue J, Du R, Ling S, Song J, Yuan X, Liu C, Sun W, Li Y, Zhong G, Wang Y, Yuan G, Jin X, Liu Z, Zhao D, Li Y, Xing W, Fan Y, Liu Z, Pan J, Zhen Z, Zhao Y, Yang Q, Li J, Chang YZ, Li Y. Osteoblast Derived Exosomes Alleviate Radiation- Induced Hematopoietic Injury. Front Bioeng Biotechnol 2022; 10:850303. [PMID: 35528209 PMCID: PMC9070646 DOI: 10.3389/fbioe.2022.850303] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/14/2022] [Accepted: 03/30/2022] [Indexed: 12/29/2022] Open
Abstract
As hematopoietic stem cells can differentiate into all hematopoietic lineages, mitigating the damage to hematopoietic stem cells is important for recovery from overdose radiation injury. Cells in bone marrow microenvironment are essential for hematopoietic stem cells maintenance and protection, and many of the paracrine mediators have been discovered in shaping hematopoietic function. Several recent reports support exosomes as effective regulators of hematopoietic stem cells, but the role of osteoblast derived exosomes in hematopoietic stem cells protection is less understood. Here, we investigated that osteoblast derived exosomes could alleviate radiation damage to hematopoietic stem cells. We show that intravenous injection of osteoblast derived exosomes promoted WBC, lymphocyte, monocyte and hematopoietic stem cells recovery after irradiation significantly. By sequencing osteoblast derived exosomes derived miRNAs and verified in vitro, we identified miR-21 is involved in hematopoietic stem cells protection via targeting PDCD4. Collectively, our data demonstrate that osteoblast derived exosomes derived miR-21 is a resultful regulator to radio-protection of hematopoietic stem cells and provide a new strategy for reducing radiation induced hematopoietic injury.
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Affiliation(s)
- Jianqi Xue
- Laboratory of Molecular Iron Metabolism, Key Laboratory of Molecular and Cellular Biology of Ministry of Education, College of Life Science, Hebei Normal University, Shijiazhuang, China.,State Key Laboratory of Space Medicine Fundamentals and Application, China Astronaut Research and Training Center, Beijing, China
| | - Ruikai Du
- State Key Laboratory of Space Medicine Fundamentals and Application, China Astronaut Research and Training Center, Beijing, China
| | - Shukuan Ling
- State Key Laboratory of Space Medicine Fundamentals and Application, China Astronaut Research and Training Center, Beijing, China
| | - Jinping Song
- State Key Laboratory of Space Medicine Fundamentals and Application, China Astronaut Research and Training Center, Beijing, China
| | - Xinxin Yuan
- State Key Laboratory of Space Medicine Fundamentals and Application, China Astronaut Research and Training Center, Beijing, China
| | - Caizhi Liu
- State Key Laboratory of Space Medicine Fundamentals and Application, China Astronaut Research and Training Center, Beijing, China
| | - Weijia Sun
- State Key Laboratory of Space Medicine Fundamentals and Application, China Astronaut Research and Training Center, Beijing, China
| | - Yuheng Li
- State Key Laboratory of Space Medicine Fundamentals and Application, China Astronaut Research and Training Center, Beijing, China
| | - Guohui Zhong
- State Key Laboratory of Space Medicine Fundamentals and Application, China Astronaut Research and Training Center, Beijing, China
| | - Yinbo Wang
- State Key Laboratory of Space Medicine Fundamentals and Application, China Astronaut Research and Training Center, Beijing, China
| | - Guodong Yuan
- State Key Laboratory of Space Medicine Fundamentals and Application, China Astronaut Research and Training Center, Beijing, China
| | - Xiaoyan Jin
- State Key Laboratory of Space Medicine Fundamentals and Application, China Astronaut Research and Training Center, Beijing, China
| | - Zizhong Liu
- State Key Laboratory of Space Medicine Fundamentals and Application, China Astronaut Research and Training Center, Beijing, China
| | - Dingsheng Zhao
- State Key Laboratory of Space Medicine Fundamentals and Application, China Astronaut Research and Training Center, Beijing, China
| | - Youyou Li
- State Key Laboratory of Space Medicine Fundamentals and Application, China Astronaut Research and Training Center, Beijing, China
| | - Wenjuan Xing
- State Key Laboratory of Space Medicine Fundamentals and Application, China Astronaut Research and Training Center, Beijing, China
| | - Yuanyuan Fan
- State Key Laboratory of Space Medicine Fundamentals and Application, China Astronaut Research and Training Center, Beijing, China
| | - Zifan Liu
- State Key Laboratory of Space Medicine Fundamentals and Application, China Astronaut Research and Training Center, Beijing, China
| | - Junjie Pan
- State Key Laboratory of Space Medicine Fundamentals and Application, China Astronaut Research and Training Center, Beijing, China
| | - Zhen Zhen
- State Key Laboratory of Space Medicine Fundamentals and Application, China Astronaut Research and Training Center, Beijing, China
| | - Yunzhang Zhao
- State Key Laboratory of Space Medicine Fundamentals and Application, China Astronaut Research and Training Center, Beijing, China
| | - Qinna Yang
- State Key Laboratory of Space Medicine Fundamentals and Application, China Astronaut Research and Training Center, Beijing, China
| | - Jianwei Li
- State Key Laboratory of Space Medicine Fundamentals and Application, China Astronaut Research and Training Center, Beijing, China
| | - Yan-Zhong Chang
- Laboratory of Molecular Iron Metabolism, Key Laboratory of Molecular and Cellular Biology of Ministry of Education, College of Life Science, Hebei Normal University, Shijiazhuang, China
| | - Yingxian Li
- State Key Laboratory of Space Medicine Fundamentals and Application, China Astronaut Research and Training Center, Beijing, China
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13
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SEM-EDX Analysis of Metal Particles Deposition from Surgical Burs after Implant Guided Surgery Procedures. COATINGS 2022. [DOI: 10.3390/coatings12020240] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 01/09/2023]
Abstract
The preparation of the implant site in guided surgery procedure takes place without irrigation, which could lead to increased friction of the drills with the formation and release of debris or metal particles. The presence of metal particles in the peri-implant tissue could represent a trigger for macrophage activity, bone resorption processes, and consequent implant loss. According to the guided surgical protocol, the study aimed to evaluate the presence of metal particles deposited during implant site preparation. Twenty-five adult porcine ribs from the same adult individual were chosen due to their trabecular bone structure, similar to facial bones. The samples were all 8 cm (length) × 3 cm (depth) × 2 cm (width) and were further subdivided to obtain 50 elements of 4 cm × 3 cm × 2 cm. Plexiglass was used to create structures such as surgical guides so that their function could be mimicked, and the guided implant site preparation sequence could be performed with them. The drill kit used in this study is a guided surgery drill kit characterized by high wear resistance, high yield strength, and good corrosion resistance. This same kit was used 50 times in this way to prepare 50 different implant sites and evaluated at different edges and number of preparation (T0-neutral edge, T1-1 full preparation, T2-10, T3-20, T4-30, T5-40, and T6-50) by SEM-EDX to assess the presence of any metal deposition. The presence of metal residues in the implant site increased according to the cycles of use of the drills. We have observed that in the first three groups, there is no presence of metals. This is evident in groups T3 and T4. Finally, the presence of metal residues becomes significant in the study’s last two groups of samples. The study highlighted how the lack of irrigation in the work site leads the deposition of metal particles and in addition to a reduction in the efficiency of the drills, resulting in less precise cutting, altering the shape of the prepared site, and, lastly, reducing the primary stability of the implants.
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14
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Azevedo MDCS, Fonseca AC, Colavite PM, Melchiades JL, Tabanez AP, Codo AC, de Medeiros AI, Trombone APF, Garlet GP. Macrophage Polarization and Alveolar Bone Healing Outcome: Despite a Significant M2 Polarizing Effect, VIP and PACAP Treatments Present a Minor Impact in Alveolar Bone Healing in Homeostatic Conditions. Front Immunol 2021; 12:782566. [PMID: 34992601 PMCID: PMC8724033 DOI: 10.3389/fimmu.2021.782566] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/24/2021] [Accepted: 11/29/2021] [Indexed: 12/20/2022] Open
Abstract
Host inflammatory immune response comprises an essential element of the bone healing process, where M2 polarization allegedly contributes to a favorable healing outcome. In this context, immunoregulatory molecules that modulate host response, including macrophage polarization, are considered potential targets for improving bone healing. This study aims to evaluate the role of the immunoregulatory molecules VIP (Vasoactive intestinal peptide) and PACAP (Pituitary adenylate cyclase activating polypeptide), which was previously described to favor the development of the M2 phenotype, in the process of alveolar bone healing in C57Bl/6 (WT) mice. Experimental groups were submitted to tooth extraction and maintained under control conditions or treated with VIP or PACAP were evaluated by microtomographic (µCT), histomorphometric, immunohistochemical, and molecular analysis at 0, 3, 7, and 14 days to quantify tissue healing and host response indicators at the healing site. Gene expression analysis demonstrates the effectiveness of VIP or PACAP in modulating host response, evidenced by the early dominance of an M2-type response, which was paralleled by a significant increase in M2 (CD206+) in treated groups. However, despite the marked effect of M1/M2 balance in the healing sites, the histomorphometric analysis does not reveal an equivalent/corresponding modulation of the healing process. µCT reveals a slight increase in bone matrix volume and the trabecular thickness number in the PACAP group, while histomorphometric analyzes reveal a slight increase in the VIP group, both at a 14-d time-point; despite the increased expression of osteogenic factors, osteoblastic differentiation, activity, and maturation markers in both VIP and PACAP groups. Interestingly, a lower number of VIP and PACAP immunolabeled cells were observed in the treated groups, suggesting a reduction in endogenous production. In conclusion, while both VIP and PACAP treatments presented a significant immunomodulatory effect with potential for increased healing, no major changes were observed in bone healing outcome, suggesting that the signals required for bone healing under homeostatic conditions are already optimal, and additional signals do not improve an already optimal process. Further studies are required to elucidate the role of macrophage polarization in the bone healing process.
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Affiliation(s)
| | - Angélica Cristina Fonseca
- Bauru School of Dentistry, Department of Biological Sciences, University of São Paulo, Bauru, Brazil
| | - Priscila Maria Colavite
- Bauru School of Dentistry, Department of Biological Sciences, University of São Paulo, Bauru, Brazil
| | - Jéssica Lima Melchiades
- Bauru School of Dentistry, Department of Biological Sciences, University of São Paulo, Bauru, Brazil
| | - André Petenuci Tabanez
- Bauru School of Dentistry, Department of Biological Sciences, University of São Paulo, Bauru, Brazil
| | - Ana Campos Codo
- School of Pharmaceutical Sciences, Department of Immunology, São Paulo State University, Araraquara, Brazil
| | - Alexandra Ivo de Medeiros
- School of Pharmaceutical Sciences, Department of Immunology, São Paulo State University, Araraquara, Brazil
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15
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Shin B, Hrdlicka HC, Delany AM, Lee SK. Inhibition of miR-29 Activity in the Myeloid Lineage Increases Response to Calcitonin and Trabecular Bone Volume in Mice. Endocrinology 2021; 162:bqab135. [PMID: 34192317 PMCID: PMC8328098 DOI: 10.1210/endocr/bqab135] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 12/11/2020] [Indexed: 12/29/2022]
Abstract
The miR-29-3p family (miR-29a, miR-29b, miR-29c) of microRNAs is increased during receptor activator of nuclear factor kappa-B ligand (RANKL)-induced osteoclastogenesis. In vivo, activation of a miR-29-3p tough decoy inhibitor in Cre recombinase under the control of the lysozyme 2 promoter-expressing cells (myeloid lineage) resulted in mice displaying enhanced trabecular and cortical bone volume because of decreased bone resorption. Calcitonin receptor (Calcr) is a miR-29 target that negatively regulates bone resorption. CALCR was significantly increased in RANKL-treated miR-29-decoy osteoclasts, and these cells were more responsive to the inhibitory effect of calcitonin on osteoclast formation. Further, cathepsin K (Ctsk), which is critical for resorption, was decreased in miR-29-decoy cells. CALCR is a Gs-coupled receptor and its activation raises cAMP levels. In turn, cAMP suppresses cathepsin K, and cAMP levels were increased in miR-29-decoy cells. siRNA-mediated knock-down of Calcr in miR-29 decoy osteoclasts allowed recovery of cathepsin K levels in these cells. Overall, using a novel knockin tough decoy mouse model, we identified a new role for miR-29-3p in bone homeostasis. In RANKL-driven osteoclastogenesis, as seen in normal bone remodeling, miR-29-3p promotes resorption. Consequently, inhibition of miR-29-3p activity in the myeloid lineage leads to increased trabecular and cortical bone. Further, this study documents an interrelationship between CALCR and CTSK in osteoclastic bone resorption, which is modulated by miR-29-3p.
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Affiliation(s)
- Bongjin Shin
- Center on Aging, UConn Health, Farmington, CT 06030, USA
- Department of Biological Sciences, University at Buffalo, Buffalo, NY 14260, USA
| | - Henry C Hrdlicka
- Center for Molecular Oncology, UConn Health, Farmington, CT 06030, USA
| | - Anne M Delany
- Center for Molecular Oncology, UConn Health, Farmington, CT 06030, USA
| | - Sun-Kyeong Lee
- Center on Aging, UConn Health, Farmington, CT 06030, USA
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16
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Brunetti G, D'Amato G, De Santis S, Grano M, Faienza MF. Mechanisms of altered bone remodeling in children with type 1 diabetes. World J Diabetes 2021; 12:997-1009. [PMID: 34326950 PMCID: PMC8311475 DOI: 10.4239/wjd.v12.i7.997] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 01/29/2021] [Revised: 03/17/2021] [Accepted: 05/22/2021] [Indexed: 02/06/2023] Open
Abstract
Bone loss associated with type 1 diabetes mellitus (T1DM) begins at the onset of the disease, already in childhood, determining a lower bone mass peak and hence a greater risk of osteoporosis and fractures later in life. The mechanisms underlying diabetic bone fragility are not yet completely understood. Hyperglycemia and insulin deficiency can affect the bone cells functions, as well as the bone marrow fat, thus impairing the bone strength, geometry, and microarchitecture. Several factors, like insulin and growth hormone/insulin-like growth factor 1, can control bone marrow mesenchymal stem cell commitment, and the receptor activator of nuclear factor-κB ligand/osteoprotegerin and Wnt-b catenin pathways can impair bone turnover. Some myokines may have a key role in regulating metabolic control and improving bone mass in T1DM subjects. The aim of this review is to provide an overview of the current knowledge of the mechanisms underlying altered bone remodeling in children affected by T1DM.
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Affiliation(s)
- Giacomina Brunetti
- Department of Biosciences, Biotechnologies and Biopharmaceutics, University "A. Moro" of Bari, Bari 70125, Italy
| | - Gabriele D'Amato
- Department of Women’s and Children’s Health, ASL Bari, Neonatal Intensive Care Unit, Di Venere Hospital, Bari 70124, Italy
| | - Stefania De Santis
- Department of Pharmacy-Drug Science, University of Bari Aldo Moro, Bari 70126, Italy
| | - Maria Grano
- Department of Emergency and Organ Transplantation, Univ Bari, Bari 70124, Italy
| | - Maria Felicia Faienza
- Department of Biomedical Sciences and Human Oncology, Pediatric Unit, University "A.Moro", Bari 70124, Italy
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17
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Kerschan-Schindl K, Gruther W, Föger-Samwald U, Bangert C, Kudlacek S, Pietschmann P. Myostatin and markers of bone metabolism in dermatomyositis. BMC Musculoskelet Disord 2021; 22:150. [PMID: 33546660 PMCID: PMC7866468 DOI: 10.1186/s12891-021-04030-0] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 06/17/2020] [Accepted: 01/28/2021] [Indexed: 01/11/2023] Open
Abstract
Background In dermatomyostis (DM) patients, inflammation, reduced activity, and medication have a negative impact on the musculoskeletal system. Several endocrine factors are involved in muscle growth and bone turnover. Objective: We aimed to investigate factors regulating myogenesis and bone metabolism and to evaluate possible associations between these endocrine factors, muscle strength, and functional tests in DM patients. Methods We conducted a cross-sectional study in 20 dermatomyositis patients. Serum levels of myostatin (MSTN), follistatin (FSTN), dickkopf 1 (Dkk1), sclerostin (SOST), periostin (PSTN), the receptor activator nuclear factor kB ligand (RANKL):osteoprotegerin (OPG) ratio and fibroblast growth factor 23 (FGF23) were determined. Physical function was evaluated by hand-held strength measurement, chair rising test, timed up and go test and the 3-min walking test. Results Serum MSTN and FGF23 levels (2.5 [1.9; 3.2] vs. 1.9 [1.6; 2.3] and 2.17 [1.45; 3.26] vs. 1.28 [0.79; 1.96], respectively; p < 0.05) were significantly higher in DM patients than in controls. Dkk1 was significantly lower (11.4 [6.9; 20.0] vs. 31.8 [14.3; 50.6], p < 0.01). Muscle strength and physical function tests correlated with each other (e.g. hip flexion – timed up and go test: r = − 0.748, p < 0.01). Conclusion In DM patients, biochemical musculo-skeletal markers are altered and physical function shows deficits. All these tests reflect independent of each other different deficits in long-term DM patients which is important for the assessment of DM patients as well as planning of therapeutic interventions in clinical routine.
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Affiliation(s)
- Katharina Kerschan-Schindl
- Department of Physical Medicine and Rehabilitation and Occupational, Medical University of Vienna, Waehringer Guertel 18-20, 1090, Vienna, Austria.
| | - Wolfgang Gruther
- Department of Physical Medicine and Rehabilitation and Occupational, Medical University of Vienna, Waehringer Guertel 18-20, 1090, Vienna, Austria.,healthPi - Medical Center, Vienna, Austria
| | - Ursula Föger-Samwald
- Department of Pathophysiology and Allergy Research, Center of Pathophysiology, Infectiology and Immunology, Medical University of Vienna, Vienna, Austria
| | - Christine Bangert
- Department of Dermatology, Medical University of Vienna, Vienna, Austria
| | - Stefan Kudlacek
- Medizinische Abteilung, Krankenhaus Barmherzige Brüder, Vienna, Austria
| | - Peter Pietschmann
- Department of Pathophysiology and Allergy Research, Center of Pathophysiology, Infectiology and Immunology, Medical University of Vienna, Vienna, Austria
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18
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Yang N, Liu Y. The Role of the Immune Microenvironment in Bone Regeneration. Int J Med Sci 2021; 18:3697-3707. [PMID: 34790042 PMCID: PMC8579305 DOI: 10.7150/ijms.61080] [Citation(s) in RCA: 57] [Impact Index Per Article: 19.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 03/30/2021] [Accepted: 09/03/2021] [Indexed: 01/08/2023] Open
Abstract
Bone is an active tissue, being constantly renewed in healthy individuals with participation of the immune system to a large extent. Any imbalance between the processes of bone formation and bone resorption is linked to various inflammatory bone diseases. The immune system plays an important role in tissue formation and bone resorption. Recently, many studies have demonstrated complex interactions between the immune and skeletal systems. Both of immune cells and cytokines contribute to the regulation of bone homeostasis, and bone cells, including osteoblasts, osteoclasts, osteocytes, also influence the cellular functions of immune cells. These crosstalk mechanisms between the bone and immune system finally emerged, forming a new field of research called osteoimmunology. Therefore, the immune microenvironment is crucial in determining the speed and outcome of bone healing, repair, and regeneration. In this review, we summarise the role of the immune microenvironment in bone regeneration from the aspects of immune cells and immune cytokines. The elucidation of immune mechanisms involved in the process of bone regeneration would provide new therapeutic targets for improving the curative effects of bone injury treatment.
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Affiliation(s)
- Ning Yang
- Department of Pediatric Dentistry, School and Hospital of Stomatology, China Medical University, Shenyang, China.,Liaoning Provincial Key Laboratory of Oral Diseases, Shenyang, China
| | - Yao Liu
- Department of Pediatric Dentistry, School and Hospital of Stomatology, China Medical University, Shenyang, China.,Liaoning Provincial Key Laboratory of Oral Diseases, Shenyang, China
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19
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Toni R, Di Conza G, Barbaro F, Zini N, Consolini E, Dallatana D, Antoniel M, Quarantini E, Quarantini M, Maioli S, Bruni CA, Elviri L, Panseri S, Sprio S, Sandri M, Tampieri A. Microtopography of Immune Cells in Osteoporosis and Bone Lesions by Endocrine Disruptors. Front Immunol 2020; 11:1737. [PMID: 33013826 PMCID: PMC7493744 DOI: 10.3389/fimmu.2020.01737] [Citation(s) in RCA: 13] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/25/2020] [Accepted: 06/29/2020] [Indexed: 12/11/2022] Open
Abstract
Osteoporosis stems from an unbalance between bone mineral resorption and deposition. Among the numerous cellular players responsible for this unbalance bone marrow (BM) monocytes/macrophages, mast cells, T and B lymphocytes, and dendritic cells play a key role in regulating osteoclasts, osteoblasts, and their progenitor cells through interactions occurring in the context of the different bone compartments (cancellous and cortical). Therefore, the microtopography of immune cells inside trabecular and compact bone is expected to play a relevant role in setting initial sites of osteoporotic lesion. Indeed, in physiological conditions, each immune cell type preferentially occupies either endosteal, subendosteal, central, and/or perisinusoidal regions of the BM. However, in the presence of an activation, immune cells recirculate throughout these different microanatomical areas giving rise to a specific distribution. As a result, the trabeculae of the cancellous bone and endosteal free edge of the diaphyseal case emerge as the primary anatomical targets of their osteoporotic action. Immune cells may also transit from the BM to the depth of the compact bone, thanks to the efferent venous capillaries coursing in the Haversian and Volkmann canals. Consistently, the innermost parts of the osteons and the periosteum are later involved by their immunomodulatory action, becoming another site of mineral reabsorption in the course of an osteoporotic insult. The novelty of our updating is to highlight the microtopography of bone immune cells in the cancellous and cortical compartments in relation to the most consistent data on their action in bone remodeling, to offer a mechanist perspective useful to dissect their role in the osteoporotic process, including bone damage derived from the immunomodulatory effects of endocrine disrupting chemicals.
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Affiliation(s)
- Roberto Toni
- Laboratory of Regenerative Morphology and Bioartificial Structures (Re.Mo.Bio.S.), Department of Medicine and Surgery - DIMEC, Unit of Biomedical, Biotechnological and Translational Sciences (S.BI.BI.T.), Museum and Historical Library of Biomedicine - BIOMED, University of Parma, Parma, Italy.,OSTEONET-CMG Unit (Osteoporosis, Nutrition, Endocrinology, and Innovative Therapies) at the Medical Center Galliera (CMG), San Venanzio, Italy.,Interdepartment Center for Law, Economics, and Medicine of Sport, University of Parma, Parma, Italy.,Division of Endocrinology, Diabetes, and Metabolism, Department of Medicine, Tufts Medical Center, Tufts University School of Medicine, Boston, MA, United States
| | - Giusy Di Conza
- Laboratory of Regenerative Morphology and Bioartificial Structures (Re.Mo.Bio.S.), Department of Medicine and Surgery - DIMEC, Unit of Biomedical, Biotechnological and Translational Sciences (S.BI.BI.T.), Museum and Historical Library of Biomedicine - BIOMED, University of Parma, Parma, Italy
| | - Fulvio Barbaro
- Laboratory of Regenerative Morphology and Bioartificial Structures (Re.Mo.Bio.S.), Department of Medicine and Surgery - DIMEC, Unit of Biomedical, Biotechnological and Translational Sciences (S.BI.BI.T.), Museum and Historical Library of Biomedicine - BIOMED, University of Parma, Parma, Italy
| | - Nicoletta Zini
- CNR- National Research Council of Italy, Institute of Molecular Genetics "Luigi Luca Cavalli-Sforza" - Unit of Bologna, Bologna, Italy.,IRCCS Istituto Ortopedico Rizzoli, Bologna, Italy
| | - Elia Consolini
- Laboratory of Regenerative Morphology and Bioartificial Structures (Re.Mo.Bio.S.), Department of Medicine and Surgery - DIMEC, Unit of Biomedical, Biotechnological and Translational Sciences (S.BI.BI.T.), Museum and Historical Library of Biomedicine - BIOMED, University of Parma, Parma, Italy
| | - Davide Dallatana
- Laboratory of Regenerative Morphology and Bioartificial Structures (Re.Mo.Bio.S.), Department of Medicine and Surgery - DIMEC, Unit of Biomedical, Biotechnological and Translational Sciences (S.BI.BI.T.), Museum and Historical Library of Biomedicine - BIOMED, University of Parma, Parma, Italy
| | - Manuela Antoniel
- Laboratory of Regenerative Morphology and Bioartificial Structures (Re.Mo.Bio.S.), Department of Medicine and Surgery - DIMEC, Unit of Biomedical, Biotechnological and Translational Sciences (S.BI.BI.T.), Museum and Historical Library of Biomedicine - BIOMED, University of Parma, Parma, Italy.,IRCCS Istituto Ortopedico Rizzoli, Bologna, Italy
| | - Enrico Quarantini
- OSTEONET-CMG Unit (Osteoporosis, Nutrition, Endocrinology, and Innovative Therapies) at the Medical Center Galliera (CMG), San Venanzio, Italy
| | - Marco Quarantini
- OSTEONET-CMG Unit (Osteoporosis, Nutrition, Endocrinology, and Innovative Therapies) at the Medical Center Galliera (CMG), San Venanzio, Italy
| | - Sara Maioli
- Laboratory of Regenerative Morphology and Bioartificial Structures (Re.Mo.Bio.S.), Department of Medicine and Surgery - DIMEC, Unit of Biomedical, Biotechnological and Translational Sciences (S.BI.BI.T.), Museum and Historical Library of Biomedicine - BIOMED, University of Parma, Parma, Italy
| | - Celeste Angela Bruni
- Laboratory of Regenerative Morphology and Bioartificial Structures (Re.Mo.Bio.S.), Department of Medicine and Surgery - DIMEC, Unit of Biomedical, Biotechnological and Translational Sciences (S.BI.BI.T.), Museum and Historical Library of Biomedicine - BIOMED, University of Parma, Parma, Italy
| | - Lisa Elviri
- Food and Drug Department, University of Parma, Parma, Italy
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Early OA Stage Like Response Occurs after Dynamic Stretching of Human Synovial Fibroblasts. Int J Mol Sci 2020; 21:ijms21113874. [PMID: 32485947 PMCID: PMC7312748 DOI: 10.3390/ijms21113874] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/07/2020] [Revised: 05/25/2020] [Accepted: 05/26/2020] [Indexed: 01/27/2023] Open
Abstract
As events triggering early osteoarthritis onset can be related to mechanical stress and proinflammatory signaling, we investigated the effect of different mechanical strain protocols on the expression of proinflammatory genes, as well as extracellular matrix remodelling in human synovial fibroblasts. Three distinct models of tensile stretching were applied: static isotropic tensile strain at 0 Hz, 16% tension for 48 h; short-term high-frequency cyclic tension at 1 Hz, 10% tension for 4 h; and dynamic tensile stretching for 48 h, consisting of two blocks of moderate stretching at 0.2 Hz, 2%, advanced stretching at 0.5 Hz, 15%, or a combination of both. General signs of inflammation were present after static isotropic tension, whereas short-term high-frequency cyclic tension showed increased levels of IL-6 paired with diminished levels of IL-1β. Reduced inflammatory effects of TNF-α, IL-6, and IL-1β were observed when exposed to advanced stretching. Long-term tensile strain induced extracellular matrix remodelling at the gene and protein levels. While hyaluronan acid synthesis was increased with static tensile strain, dynamic tensile stretching had a reducing effect. Our study revealed that proinflammatory markers were activated by mechanical strain as seen in static isotropic tension and short-term high-frequency tensile strain, whereas long-term exposure induced extracellular matrix remodelling processes.
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21
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Gerlinger C, Oster M, Reyer H, Polley C, Vollmar B, Muráni E, Wimmers K, Wolf P. Effects of excessive or restricted phosphorus and calcium intake during early life on markers of bone architecture and composition in pigs. J Anim Physiol Anim Nutr (Berl) 2020; 105 Suppl 2:52-62. [PMID: 32180287 DOI: 10.1111/jpn.13286] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/29/2019] [Revised: 10/06/2019] [Accepted: 11/08/2019] [Indexed: 12/11/2022]
Abstract
Sufficient supply of pigs with calcium (Ca) and phosphorus (P) is essential for animal health and welfare during the growth period. However, the P content in animal manure is considered as a cause of massive environmental problems in soil and aquatic ecosystems. To complement previous findings, the objective of this study is the investigation of effects of a reduced and increased Ca and P supplementation on bone mineralization and bone structure compared with the current dietary recommendation. Another aim is to find possible serum markers that would allow the assessment of adequacy of P supply for bone health during growth. The result validated that the recommended Ca and P supply is sufficient, without the addition of microbial phytases. However, addition of P has no further beneficial effects on bone stability, while P supplementation below the recommended level affects bone development and growth performance. Reduced P levels have consequences for cancellous bone density and trabecular architecture. Further fine-tuning of the P supply in conjunction with an appropriate Ca supply will contribute to a reduction in P waste and associated environmental impact while maintaining animal health and welfare.
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Affiliation(s)
- Christian Gerlinger
- Chair of Nutrition Physiology and Animal Nutrition, University of Rostock, Rostock, Germany.,Leibniz Institute for Farm Animal Biology, Dummerstorf, Germany
| | - Michael Oster
- Leibniz Institute for Farm Animal Biology, Dummerstorf, Germany
| | - Henry Reyer
- Leibniz Institute for Farm Animal Biology, Dummerstorf, Germany
| | - Christian Polley
- Institute for Experimental Surgery, University of Rostock, Rostock, Germany.,Chair of Microfluidics, University of Rostock, Rostock, Germany
| | - Brigitte Vollmar
- Institute for Experimental Surgery, University of Rostock, Rostock, Germany
| | - Eduard Muráni
- Leibniz Institute for Farm Animal Biology, Dummerstorf, Germany
| | - Klaus Wimmers
- Leibniz Institute for Farm Animal Biology, Dummerstorf, Germany.,Faculty of Agricultural and Environmental Sciences, University of Rostock, Rostock, Germany
| | - Petra Wolf
- Chair of Nutrition Physiology and Animal Nutrition, University of Rostock, Rostock, Germany
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22
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Föger-Samwald U, Dovjak P, Azizi-Semrad U, Kerschan-Schindl K, Pietschmann P. Osteoporosis: Pathophysiology and therapeutic options. EXCLI JOURNAL 2020; 19:1017-1037. [PMID: 32788914 PMCID: PMC7415937 DOI: 10.17179/excli2020-2591] [Citation(s) in RCA: 61] [Impact Index Per Article: 15.3] [Reference Citation Analysis] [Abstract] [Key Words] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 06/29/2020] [Accepted: 07/07/2020] [Indexed: 12/12/2022]
Abstract
Osteoporosis is a metabolic bone disease that, on a cellular level, results from osteoclastic bone resorption not compensated by osteoblastic bone formation. This causes bones to become weak and fragile, thus increasing the risk of fractures. Traditional pathophysiological concepts of osteoporosis focused on endocrine mechanisms such as estrogen or vitamin D deficiency as well as secondary hyperparathyroidism. However, research over the last decades provided exiting new insights into mechanisms contributing to the onset of osteoporosis, which go far beyond this. Selected mechanisms such as interactions between bone and the immune system, the gut microbiome, and cellular senescence are reviewed in this article. Furthermore, an overview on currently available osteoporosis medications including antiresorptive and bone forming drugs is provided and an outlook on potential future treatment options is given.
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Affiliation(s)
- Ursula Föger-Samwald
- Institute of Pathophysiology and Allergy Research, Center for Pathophysiology, Infectiology and Immunology, Medical University of Vienna, Vienna, Austria
- *To whom correspondence should be addressed: Ursula Föger-Samwald, Institute of Pathophysiology and Allergy Research, Center for Pathophysiology, Infectiology and Immunology, Medical University of Vienna, Waehringer Guertel 18-20, 1090 Vienna, Austria; Tel: +43 (1) 40400-56940 or 51270, Fax: +43 (1) 40400-51300, E-mail:
| | - Peter Dovjak
- Department of Acute Geriatrics, Salzkammergut Klinikum Gmunden, Gmunden, Austria
| | - Ursula Azizi-Semrad
- Department of Emergency Medicine, Medical University of Vienna, Vienna, Austria
| | - Katharina Kerschan-Schindl
- Department of Physical Medicine, Rehabilitation and Occupational Medicine, Medical University of Vienna, Vienna, Austria
| | - Peter Pietschmann
- Institute of Pathophysiology and Allergy Research, Center for Pathophysiology, Infectiology and Immunology, Medical University of Vienna, Vienna, Austria
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23
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Dingle K, Azizieh F. Multivariate Comparison of Cytokine Profiles for Normal- and Low-Bone-Density Subjects. Diagnostics (Basel) 2019; 9:diagnostics9040134. [PMID: 31574929 PMCID: PMC6963703 DOI: 10.3390/diagnostics9040134] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/04/2019] [Revised: 09/25/2019] [Accepted: 09/25/2019] [Indexed: 02/08/2023] Open
Abstract
Osteoporosis is a serious worldwide public health concern. The role of the immune system in the onset of osteoporosis in postmenopausal women is an area of current research. Here we study data from a panel of 10 cytokines obtained from postmenopausal women, with both normal and low bone mineral density (BMD). Normal- and low-BMD groups are compared and contrasted, and further low-BMD participants are sub-classified into osteopenic and osteoporotic based on BMD levels, and compared to each other. Via the use of multivariate statistical tools, we examine contrasting groups in relation to: (a) the presence of subgroups/clusters; (b) whether groups have statistically different multivariate distributions; (c) how strongly groups differ (if at all), which relates to the practical/clinical significant of any differences; and (d) which cytokines contribute most to any differences between groups. We find that the normal- vs. low-BMD groups are markedly different (p-value = 0.00013), with IL-23, IL-12, TNF-α, IL-4 and IL-6 being the most important differentiating cytokines. No significant difference between the osteopenic and osteoporotic groups is found (p-value = 0.81). These findings may aid the development of cytokine therapies for osteoporosis, and suggest the use of certain cytokine profiles as biomarkers for osteoporosis risk factors, and ways to quantify the progress of treatment therapies.
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Affiliation(s)
- Kamaludin Dingle
- Centre for Applied Mathematics and Bioinformatics, Department of Mathematics and Natural Sciences, Gulf University for Science and Technology, P.O. Box 7207, Hawally 32093, Kuwait.
| | - Fawaz Azizieh
- Centre for Applied Mathematics and Bioinformatics, Department of Mathematics and Natural Sciences, Gulf University for Science and Technology, P.O. Box 7207, Hawally 32093, Kuwait.
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24
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Azizieh FY, Shehab D, Al Jarallah K, Mojiminiyi O, Gupta R, Raghupathy R. Circulatory pattern of cytokines, adipokines and bone markers in postmenopausal women with low BMD. J Inflamm Res 2019; 12:99-108. [PMID: 31118735 PMCID: PMC6503650 DOI: 10.2147/jir.s203590] [Citation(s) in RCA: 25] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/30/2019] [Accepted: 03/28/2019] [Indexed: 12/15/2022] Open
Abstract
Objective: In addition to some well-characterized bone turnover markers (BTMs), cytokines and adipokines have also been suggested to be linked to osteoporosis seen in menopause. However, there is much controversy on the possible association between these markers and bone mineral density (BMD). This study was aimed at measuring circulatory levels of selected cytokines, adipokines and BTMs in postmenopausal women with normal and low BMD. Methods: The study population included 71 post-menopausal women, of whom 25 had normal BMD, 31 had osteopenia and 13 had osteoporosis. Circulatory levels of selected pro-resorptive (TNF-α, IL-1β, IL-6, IL-8, IL-12, IL-17), anti-resorptive (IFN-γ, IL-4, IL-10, IL-13, TGF-β) and five adipokine markers (adiponectin, adipsin, lipocalin-2/NGAL, PAI-1 and resistin) were measured using the Multiplex system and read on the Magpix ELISA platform. Further, two bone turnover markers (PINP, CTX) as well as estradiol levels were assayed from the same samples. Results: While circulatory levels of cytokines were comparable between groups, women with low BMD had statistically significantly higher median circulatory levels of adipokines as compared to those with normal BMD. Further, while levels of CTX were not different between the two groups; PINP, PINP/CTX ratio and estradiol levels were significantly lower in women with low BMD. Levels of adiponectin, PINP, PINP/CTX ratio and estradiol correlated significantly with BMD of the hip and spine. Conclusion: The associations between various markers and BMD are complex and multivariate. Our data provide insights into the possible use of circulatory levels of cytokines, adipokines and bone turnover markers on the pathogenesis of postmenopausal osteoporosis because of the well-documented effects of these molecules on bone tissue and their relevance to osteoporosis.
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Affiliation(s)
- Fawaz Y Azizieh
- Department of Mathematics and Natural Sciences, International Centre for Applied Mathematics and Computational Bioengineering, Gulf University for Science and Technology, Kuwait City, Kuwait
| | - Diaa Shehab
- Department of Medicine, Faculty of Medicine, Kuwait University, Kuwait City, Kuwait
| | - Khaled Al Jarallah
- Department of Medicine, Faculty of Medicine, Kuwait University, Kuwait City, Kuwait
| | - Olusegun Mojiminiyi
- Department of Pathology, Faculty of Medicine, Kuwait University, Kuwait City, Kuwait
| | - Renu Gupta
- Department of Radiology, Faculty of Medicine, Kuwait University, Kuwait City, Kuwait
| | - Raj Raghupathy
- Department of Microbiology, Faculty of Medicine, Kuwait University, Kuwait City, Kuwait
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25
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Еffects of Antipsychotics on Bone Mineral Density in Schizophrenia. SERBIAN JOURNAL OF EXPERIMENTAL AND CLINICAL RESEARCH 2019. [DOI: 10.2478/sjecr-2018-0036] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/20/2022] Open
Abstract
Abstract
Previous researches have shown that patients with schizophrenia who were using antipsychotics in their treatment developed changes in Bone Mineral Density and body composition, leading to osteoporosis and modifications in weight, skeletal muscle mass index and percent of fat tissue. Results of many studies suggested that the use of antipsychotic causes hyperprolactinemia and consequently lower bone mineral density values were observed. Further, antipsychotics increase food intake and have possible effects on metabolism, causing changes in weight, glucose level and lipid status, all of which can be a risk for developing metabolic syndrome and result in changing of bone mineral density. Antipsychotics change cytokine profi les in patients with schizophrenia and on the other hand the influence of T cells, B cells and inflammatory cytokines on osteoclasts and on osteoblasts was also established. In assessing the effects of antipsychotic on bone metabolism very important is to consider the duration of the treatment and clinical course of the disease, but undeniable effect is careless life style and inadequate physical activity that patients with schizophrenia have. Our attempt is to give an overview of the newest findings in this field, regarding the direct effects of antipsychotics on the bone metabolism, but also through prolactine elevation, metabolic and immune changes. Better understanding of the underlying mechanisms of schizophrenia and changes in bone mineral density could improve our clinical practice: affect to choice of the individually most appropriate antipsychotic, point to the need to monitor possible immunmetabolic changes during the treatment and improvement of the life quality of this vulnerable population.
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26
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Physiology of ageing of the musculoskeletal system. Best Pract Res Clin Rheumatol 2017; 31:203-217. [PMID: 29224697 DOI: 10.1016/j.berh.2017.09.003] [Citation(s) in RCA: 30] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/14/2017] [Accepted: 09/07/2017] [Indexed: 02/06/2023]
Abstract
This review aims to provide a summary of current concepts of ageing in relation to the musculoskeletal system, highlighting recent advances in the understanding of the mechanisms involved in the development of age-related changes in bone, skeletal muscle, chondroid and fibrous tissues. The key components of the musculoskeletal system and their functions are introduced together with a general overview of the molecular hallmarks of ageing. A brief description of the normal architecture of each of these tissue types is followed by a summary of established and developing concepts of mechanisms contributing to the age-related alterations in each. Extensive detailed description of these changes is beyond the scope of this review; instead, we aim to highlight some of the most significant processes and, where possible, the molecular changes underlying these and refer the reader to in-depth, subspecialist reviews of the individual components for further details.
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27
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Sapir-Koren R, Livshits G. Postmenopausal osteoporosis in rheumatoid arthritis: The estrogen deficiency-immune mechanisms link. Bone 2017; 103:102-115. [PMID: 28666971 DOI: 10.1016/j.bone.2017.06.020] [Citation(s) in RCA: 54] [Impact Index Per Article: 7.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 03/26/2017] [Revised: 06/13/2017] [Accepted: 06/26/2017] [Indexed: 12/20/2022]
Abstract
Rheumatoid arthritis (RA) is characterized, among other factors, by systemic bone loss, reaching ~50% prevalence of osteoporosis in postmenopausal women. This is roughly a doubled prevalence in comparison with age-matched non-RA women. Postmenopausal RA women are more likely to be sero-positive for the anti-citrullinated peptide antibody (ACPA). Our extensive review of recent scientific literature enabled us to propose several mechanisms as responsible for the accelerated bone loss in ACPA(+) RA postmenopausal women. Menopause-associated estrogen deficiency plays a major role in these pathological mechanisms, as follows.
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Affiliation(s)
- Rony Sapir-Koren
- Human Population Biology Research Group, Department of Anatomy and Anthropology, Sackler Faculty of Medicine, Tel-Aviv University, Tel-Aviv, Israel.
| | - Gregory Livshits
- Human Population Biology Research Group, Department of Anatomy and Anthropology, Sackler Faculty of Medicine, Tel-Aviv University, Tel-Aviv, Israel; Lilian and Marcel Pollak Chair of Biological Anthropology, Department of Anatomy and Anthropology, Sackler Faculty of Medicine, Tel-Aviv University, Tel-Aviv, Israel.
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29
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Oshima M, Iida-Klein A, Maruta T, Deitiker PR, Atassi MZ. Decreased bone mineral density in experimental myasthenia gravis in C57BL/6 mice. Autoimmunity 2017; 50:346-353. [PMID: 28850269 DOI: 10.1080/08916934.2017.1367772] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/19/2022]
Abstract
Experimental autoimmune myasthenia gravis (EAMG), an animal model of myasthenia gravis (MG), can be induced in C57BL/6 (B6, H-2 b) mice by 2-3 injections with Torpedo californica AChR (tAChR) in complete Freund's adjuvant. Some EAMG mice exhibit weight loss with muscle weakness. The loss in body weight, which is closely associated with bone structure, is particularly evident in EAMG mice with severe muscle weakness. However, the relationship between muscle weakness and bone loss in EAMG has not been studied before. Recent investigations on bone have shed light on association of bone health and immunological states. It is possible that muscle weakness in EAMG developed by anti-tAChR immune responses might accompany bone loss. We determined whether reduced muscle strength associates with decreased bone mineral density (BMD) in EAMG mice. EAMG was induced by two injections at 4-week interval of tAChR and adjuvants in two different age groups. The first tAChR injection was either at age 8 weeks or at 15 weeks. We measured BMD at three skeletal sites, including femur, tibia, and lumbar vertebrae, using dual energy X-ray absorptiometry. Among these bone areas, femur of EAMG mice in both age groups showed a significant decrease in BMD compared to control adjuvant-injected and to non-immunized mice. Reduction in BMD in induced EAMG at a later-age appears to parallel the severity of the disease. The results indicate that anti-tAChR autoimmune response alone can reduce bone density in EAMG mice. BMD reduction was also observed in adjuvant-injected mice in comparison to normal un-injected mice, suggesting that BMD decrease can occur even when muscle activity is normal. Decreased BMD observed in both tAChR-injected and adjuvant-injected mice groups were discussed in relation to innate immunity and bone-related immunology involving activated T cells and tumour necrosis factor-related cytokines that trigger osteoclastogenesis and bone loss.
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Affiliation(s)
- Minako Oshima
- a Department of Biochemistry and Molecular Biology , Baylor College of Medicine , Houston , TX , USA
| | - Akiko Iida-Klein
- b Regional Bone Center , Helen Hayes Hospital , West Haverstraw , NY , USA.,c Department of Clinical Pathology , Columbia University College of Physicians and Surgeons , New York , NY , USA
| | - Takahiro Maruta
- a Department of Biochemistry and Molecular Biology , Baylor College of Medicine , Houston , TX , USA
| | - Philip R Deitiker
- a Department of Biochemistry and Molecular Biology , Baylor College of Medicine , Houston , TX , USA
| | - M Zouhair Atassi
- a Department of Biochemistry and Molecular Biology , Baylor College of Medicine , Houston , TX , USA.,d Department of Pathology and Immunology , Baylor College of Medicine , Houston , TX , USA
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30
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Savvidou OD, Bolia IK, Chloros GD, Papanastasiou J, Koutsouradis P, Papagelopoulos PJ. Denosumab: Current Use in the Treatment of Primary Bone Tumors. Orthopedics 2017; 40:204-210. [PMID: 28732103 DOI: 10.3928/01477447-20170627-04] [Citation(s) in RCA: 22] [Impact Index Per Article: 3.1] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 02/03/2023]
Abstract
Denosumab, a human monoclonal antibody that inhibits bone resorption by binding on the receptor activator of the nuclear factor kappa-β ligand, has recently emerged as an additional option in the treatment of musculoskeletal osteolytic tumors. This article focuses on the recent literature regarding the effectiveness of denosumab in the management of giant cell tumor, multiple myeloma, aneurysmal bone cyst, and osteosarcoma. The mechanism of action of denosumab in the management of these tumors and the associated side effects are discussed in detail. [ Orthopedics. 2017; 40(4):204-210.].
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31
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Meshcheryakova A, Mechtcheriakova D, Pietschmann P. Sphingosine 1-phosphate signaling in bone remodeling: multifaceted roles and therapeutic potential. Expert Opin Ther Targets 2017; 21:725-737. [PMID: 28524744 PMCID: PMC5470107 DOI: 10.1080/14728222.2017.1332180] [Citation(s) in RCA: 42] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/24/2022]
Abstract
Introduction: Sphingolipids belong to a complex class of lipid molecules that are crucially involved in the regulation of important biological processes including proliferation, migration and apoptosis. Given the significant progress made in understanding the sphingolipid pathobiology of several diseases, sphingolipid-related checkpoints emerge as attractive targets. Recent data indicate the multifaceted contribution of the sphingolipid machinery to osteoclast – osteoblast crosstalk, representing one of the pivotal interactions underlying bone homeostasis. Imbalances in the interplay of osteoblasts and osteoclasts might lead to bone-related diseases such as osteoporosis, rheumatoid arthritis, and bone metastases. Areas covered: We summarize and analyze the progress made in bone research in the context of the current knowledge of sphingolipid-related mechanisms regulating bone remodeling. Particular emphasis was given to bioactive sphingosine 1-phosphate (S1P) and S1P receptors (S1PRs). Moreover, the mechanisms of how dysregulations of this machinery cause bone diseases, are covered. Expert opinion: In the context of bone diseases, pharmacological interference with sphingolipid machinery may lead to novel directions in therapeutic strategies. Implementation of knowledge derived from in vivo animal models and in vitro studies using pharmacological agents to manipulate the S1P/S1PRs axes suggests S1PR2 and S1PR3 as potential drug targets, particularly in conjunction with technology for local drug delivery.
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Affiliation(s)
- Anastasia Meshcheryakova
- a Department of Pathophysiology and Allergy Research, Center for Pathophysiology, Infectiology and Immunology , Medical University of Vienna , Vienna , Austria
| | - Diana Mechtcheriakova
- a Department of Pathophysiology and Allergy Research, Center for Pathophysiology, Infectiology and Immunology , Medical University of Vienna , Vienna , Austria
| | - Peter Pietschmann
- a Department of Pathophysiology and Allergy Research, Center for Pathophysiology, Infectiology and Immunology , Medical University of Vienna , Vienna , Austria
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Fucoidan inhibits LPS-induced inflammation in vitro and during the acute response in vivo. Int Immunopharmacol 2017; 43:91-98. [DOI: 10.1016/j.intimp.2016.12.006] [Citation(s) in RCA: 40] [Impact Index Per Article: 5.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/16/2016] [Revised: 11/21/2016] [Accepted: 12/06/2016] [Indexed: 01/09/2023]
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Effect of Wenhua Juanbi Recipe () on expression of receptor activator of nuclear factor kappa B ligand, osteoprotegerin, and tumor necrosis factor receptor superfamily member 14 in rats with collagen-induced arthritis. Chin J Integr Med 2016; 23:208-214. [PMID: 28004300 DOI: 10.1007/s11655-016-2532-z] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/24/2013] [Indexed: 10/20/2022]
Abstract
OBJECTIVES To study the effect of Wenhua Juanbi Recipe (, WJR) on expression of receptor activator of nuclear factor kappa B ligand (RANKL), osteoprotegerin (OPG), and tumor necrosis factor receptor superfamily member 14 (TNFRSF14, also known as LIGHT) in rats with collagen-induced arthritis (CIA). METHODS CIA rats were generated by subcutaneous injection of bovine collagen type-II at the tail base. Sixty CIA rats were randomly assigned (10 animals/group) to: model, methotrexate (MTX)-treated (0.78 mg/kg body weight), and WJR-treated (22.9 g/kg) groups. Healthy normal rats (n=10) were used as the normal control. Treatments or saline were administered once daily by oral gavage. Rats were sacrifificed at day 28 post-treatment and knee synovium and peripheral blood serum were collected. Toe swelling degree and expression of RANKL, OPG, and LIGHT were determined by Western blot and immunohistochemistry. RESULTS Compared with the normal group, toe swelling degree was signifificantly increased in the model group (P<0.01). After treatment, toe swelling degree decreased signifificantly in the WJR and MTX groups compared with the model group (P<0.01). Compared with the normal group, expression of RANKL and LIGHT were signifificantly increased and OPG signifificantly decreased in peripheral blood and synovium of the model group (P<0.01). Conversely, RANKL and LIGHT expression were signifificantly reduced and OPG increased in the WJR and MTX groups compared with the model group (P<0.01). No statistically significant difference existed between WJR and MTX groups. CONCLUSION WJR likely acts by reducing RANKL expression and increasing OPG expression, thus inhibiting RANKL/RANK interaction and reducing LIGHT expression, thereby inhibiting osteoclast formation/activation to block bone erosion.
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Krejsek J, Koláčková M, Lonský V, Trojáčková Kudlová M, Manďák J, Kuneš P, Jankovičová K, Vlášková D, Andrýs C. RANK/RANKL Expression Is Induced by Cardiac Surgical Operation. ACTA MEDICA (HRADEC KRÁLOVÉ) 2016. [DOI: 10.14712/18059694.2016.121] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 10/20/2022]
Abstract
Background: Cardiac surgery provokes a systemic inflammatory response in any patient. This complex body reaction involves also RANK/RANKL molecules which have been recently identified as principal regulators of bone metabolism. Aims: To follow the changes in the expression of RANK/RANKL molecules on innate immune cells of cardiac surgical patients. Patients and Methods: Twenty-six patients undergoing cardiac surgical were assigned to undergo coronary artery bypass grafting using either cardiopulmonary bypass (“on-pump”) or modified “miniinvasive on-pump”. The expression of RANK/RANKL was performed by flow cytometry. Results: Significantly increased expression of RANK on monocytes of “miniinvasive on-pump” patients was found at the 1st, the 3nd, and 7th postoperative days. The similar pattern was found also for monocyte RANKL expression. In addition, RANKL expression was significantly increased at the 3rd postoperative day in “on-pump” patient. No significant differences between “miniinvasive on-pump” and “on-pump” cardiac surgical patients were found. Conclusion: The expression of both RANK and RANKL molecules is significantly enhanced on monocytes of “miniinvasive on-pump” cardiac surgical patients.
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Yu J, Yun H, Shin B, Kim Y, Park ES, Choi S, Yu J, Amarasekara DS, Kim S, Inoue JI, Walsh MC, Choi Y, Takami M, Rho J. Interaction of Tumor Necrosis Factor Receptor-associated Factor 6 (TRAF6) and Vav3 in the Receptor Activator of Nuclear Factor κB (RANK) Signaling Complex Enhances Osteoclastogenesis. J Biol Chem 2016; 291:20643-60. [PMID: 27507811 DOI: 10.1074/jbc.m116.728303] [Citation(s) in RCA: 13] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/21/2016] [Indexed: 12/14/2022] Open
Abstract
The signaling pathway downstream of stimulation of receptor activator of nuclear factor κB (RANK) by RANK ligand is crucial for osteoclastogenesis. RANK recruits TNF receptor-associated factor 6 (TRAF6) to TRAF6-binding sites (T6BSs) in the RANK cytoplasmic tail (RANKcyto) to trigger downstream osteoclastogenic signaling cascades. RANKcyto harbors an additional highly conserved domain (HCR) that also activates crucial signaling during RANK-mediated osteoclastogenesis. However, the functional cross-talk between T6BSs and the HCR in the RANK signaling complex remains unclear. To characterize the cross-talk between T6BSs and the HCR, we screened TRAF6-interacting proteins using a proteomics approach. We identified Vav3 as a novel TRAF6 binding partner and evaluated the functional importance of the TRAF6-Vav3 interaction in the RANK signaling complex. We demonstrated that the coiled-coil domain of TRAF6 interacts directly with the Dbl homology domain of Vav3 to form the RANK signaling complex independent of the TRAF6 ubiquitination pathway. TRAF6 is recruited to the RANKcyto mutant, which lacks T6BSs, via the Vav3 interaction; conversely, Vav3 is recruited to the RANKcyto mutant, which lacks the IVVY motif, via the TRAF6 interaction. Finally, we determined that the TRAF6-Vav3 interaction resulting from cross-talk between T6BSs and the IVVY motif in RANKcyto enhances downstream NF-κB, MAPK, and NFATc1 activation by further strengthening TRAF6 signaling, thereby inducing RANK-mediated osteoclastogenesis. Thus, Vav3 is a novel TRAF6 interaction partner that functions in the activation of cooperative signaling between T6BSs and the IVVY motif in the RANK signaling complex.
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Affiliation(s)
- Jiyeon Yu
- From the Department of Microbiology and Molecular Biology, Chungnam National University, Daejeon 305-764, Korea
| | - Hyeongseok Yun
- From the Department of Microbiology and Molecular Biology, Chungnam National University, Daejeon 305-764, Korea
| | - Bongjin Shin
- From the Department of Microbiology and Molecular Biology, Chungnam National University, Daejeon 305-764, Korea
| | - Yongjin Kim
- From the Department of Microbiology and Molecular Biology, Chungnam National University, Daejeon 305-764, Korea
| | - Eui-Soon Park
- From the Department of Microbiology and Molecular Biology, Chungnam National University, Daejeon 305-764, Korea
| | - Seunga Choi
- From the Department of Microbiology and Molecular Biology, Chungnam National University, Daejeon 305-764, Korea
| | - Jungeun Yu
- From the Department of Microbiology and Molecular Biology, Chungnam National University, Daejeon 305-764, Korea
| | | | - Sumi Kim
- From the Department of Microbiology and Molecular Biology, Chungnam National University, Daejeon 305-764, Korea
| | - Jun-Ichiro Inoue
- the Division of Cellular and Molecular Biology, Department of Cancer Biology, Institute of Medical Science, University of Tokyo, Tokyo 108-8639, Japan
| | - Matthew C Walsh
- the Department of Pathology and Laboratory Medicine, University of Pennsylvania School of Medicine, Philadelphia, Pennsylvania 19104, and
| | - Yongwon Choi
- the Department of Pathology and Laboratory Medicine, University of Pennsylvania School of Medicine, Philadelphia, Pennsylvania 19104, and
| | - Masamichi Takami
- the Department of Biochemistry, School of Dentistry, Showa University, Shinagawaku, 142-8555, Japan
| | - Jaerang Rho
- From the Department of Microbiology and Molecular Biology, Chungnam National University, Daejeon 305-764, Korea,
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Mitsimponas KT, Moest T, Iliopoulos C, Rueger T, Mueller C, Lutz R, Shakib K, Neukam FW, Schlegel KA. Search for a reliable model for bisphosphonate-related osteonecrosis of the jaw: establishment of a model in pigs and description of its histomorphometric characteristics. Br J Oral Maxillofac Surg 2016; 54:883-888. [PMID: 27282083 DOI: 10.1016/j.bjoms.2016.05.025] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/16/2015] [Accepted: 05/24/2016] [Indexed: 11/19/2022]
Abstract
The pathogenesis of bisphosphonate-related osteonecrosis of the jaw (BRONJ) remains unknown, and the development of a reliable experimental model would help to improve our understanding of it. We used 12 domestic pigs of which 6 made up the experimental group and were treated with zoledronate 4mg intravenously weekly for 5 weeks, while the control group (n=6) were given no drugs. On day 60 the right second maxillary and mandibular third molars were extracted. Thirty days later 3 animals in each group were killed; the rest were killed 90 days later. Histopathological specimens from the extraction sites were analysed for bone density, collagen architecture, density of osteons, and the amount of non-mineralised bone. Bone density, amount of non-mineralised bone, and density of osteons differed significantly between the 2 groups (p<0.001 in each case), but the chromatic pattern dictated by the collagen architecture did not. Our results correspond to the observations that have been made in patients with BRONJ, which means that the histomorphometric conditions seen in patients can be reproduced in this experimental setting.
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Affiliation(s)
- K T Mitsimponas
- Department of Oral and Maxillofacial Surgery, University Hospital of Erlangen, Glueckstrasse 11, 91054, Erlangen, Germany; Department of Oral and Maxillofacial Surgery, Royal Free NHS Trust, Chase Farm Hospital, 127 The Ridgeway, Enfield, Middlesex EN2 8JL, UK.
| | - T Moest
- Department of Oral and Maxillofacial Surgery, University Hospital of Erlangen, Glueckstrasse 11, 91054, Erlangen, Germany
| | - C Iliopoulos
- Department of Oral and Maxillofacial Surgery, University Hospital of Erlangen, Glueckstrasse 11, 91054, Erlangen, Germany
| | - T Rueger
- Department of Oral and Maxillofacial Surgery, University Hospital of Erlangen, Glueckstrasse 11, 91054, Erlangen, Germany
| | - C Mueller
- Department of Oral and Maxillofacial Surgery, University Hospital of Erlangen, Glueckstrasse 11, 91054, Erlangen, Germany
| | - R Lutz
- Department of Oral and Maxillofacial Surgery, University Hospital of Erlangen, Glueckstrasse 11, 91054, Erlangen, Germany
| | - K Shakib
- Department of Oral and Maxillofacial Surgery, Royal Free NHS Trust, Chase Farm Hospital, 127 The Ridgeway, Enfield, Middlesex EN2 8JL, UK
| | - F W Neukam
- Department of Oral and Maxillofacial Surgery, University Hospital of Erlangen, Glueckstrasse 11, 91054, Erlangen, Germany
| | - K A Schlegel
- Department of Oral and Maxillofacial Surgery, University Hospital of Erlangen, Glueckstrasse 11, 91054, Erlangen, Germany
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In Vitro Cytokine Expression and In Vivo Healing and Inflammatory Response to a Collagen-Coated Synthetic Bone Filler. BIOMED RESEARCH INTERNATIONAL 2016; 2016:6427681. [PMID: 27195293 PMCID: PMC4852337 DOI: 10.1155/2016/6427681] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 01/06/2016] [Revised: 03/08/2016] [Accepted: 03/27/2016] [Indexed: 11/17/2022]
Abstract
The goal of the present work was to investigate the relationship between in vivo healing and inflammatory response and in vitro cytokine expression by macrophages of a synthetic bone filler (25% hydroxylapatite-75% β-tricalcium phosphate) bearing a surface nanolayer of collagen. A clinically accepted, state-of-the-art xenograft material was used as a “negative control,” that is, as a material that provides the correct clinical response for the intended use. In vitro data show that both materials exert a very low stimulation of proinflammatory cytokines by macrophages, and this was confirmed by the very mild inflammatory response detected in in vivo tests of local response in a rabbit model. Also, in vitro findings suggest a different mechanism of healing for the test and the control material, with a higher regenerative activity for the synthetic, resorbable filler, as confirmed by in vivo observation and literature reports. Thus, the simple in vitro model adopted provides a reasonable forecast of in vivo results, suggesting that new product development can be guided by in vitro tuning of cell-materials interactions.
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Duarte PM, Serrão CR, Miranda TS, Zanatta LCS, Bastos MF, Faveri M, Figueiredo LC, Feres M. Could cytokine levels in the peri-implant crevicular fluid be used to distinguish between healthy implants and implants with peri-implantitis? A systematic review. J Periodontal Res 2016; 51:689-698. [DOI: 10.1111/jre.12354] [Citation(s) in RCA: 64] [Impact Index Per Article: 8.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 11/16/2015] [Indexed: 12/15/2022]
Affiliation(s)
- P. M. Duarte
- Department of Periodontology; Dental Research Division; University of Guarulhos; Guarulhos Brazil
| | - C. R. Serrão
- Department of Periodontology; Dental Research Division; University of Guarulhos; Guarulhos Brazil
| | - T. S. Miranda
- Department of Periodontology; Dental Research Division; University of Guarulhos; Guarulhos Brazil
| | - L. C. S. Zanatta
- Department of Periodontology; Dental Research Division; University of Guarulhos; Guarulhos Brazil
| | - M. F. Bastos
- Department of Periodontology; Dental Research Division; University of Guarulhos; Guarulhos Brazil
| | - M. Faveri
- Department of Periodontology; Dental Research Division; University of Guarulhos; Guarulhos Brazil
| | - L. C. Figueiredo
- Department of Periodontology; Dental Research Division; University of Guarulhos; Guarulhos Brazil
| | - M. Feres
- Department of Periodontology; Dental Research Division; University of Guarulhos; Guarulhos Brazil
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Effects of Antitumor Necrosis Factor Therapy on Osteoprotegerin, Neopterin, and sRANKL Concentrations in Patients with Rheumatoid Arthritis. DISEASE MARKERS 2015; 2015:276969. [PMID: 26576067 PMCID: PMC4631883 DOI: 10.1155/2015/276969] [Citation(s) in RCA: 8] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 06/28/2015] [Revised: 09/25/2015] [Accepted: 09/27/2015] [Indexed: 12/29/2022]
Abstract
Background. Rheumatoid arthritis is a systemic autoimmune disease characterized by joint erosions, progressive focal bone loss, and chronic inflammation. Methods. 20 female patients with moderate-to-severe rheumatoid arthritis were treated with anti-TNF-antibody adalimumab in addition to concomitant antirheumatic therapies. Patients were assessed for overall disease activity using the DAS28 score, and neopterin, erythrocyte sedimentation rate (ESR), and C-reactive protein (CRP) concentrations as well as osteoprotegerin (OPG) and soluble receptor activator of NF-κB ligand (sRANKL) concentrations were determined before therapy and at week 12. Neopterin as well as OPG and sRANKL were determined by commercial ELISAs. Results. Before anti-TNF therapy patients presented with high disease activity and elevated concentrations of circulating inflammatory markers. OPG concentrations correlated with neopterin (rs = 0.494, p = 0.027), but not with DAS28. OPG concentrations and disease activity scores declined during anti-TNF-treatment (both p < 0.02). Patients who achieved remission (n = 7) or showed a good response according to EULAR criteria (n = 13) presented with initially higher baseline OPG levels, which subsequently decreased significantly during treatment (p = 0.018 for remission, p = 0.011 for good response). Conclusions. Adalimumab therapy was effective in modifying disease activity and reducing proinflammatory and bone remodelling cascades.
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Pietschmann P, Mechtcheriakova D, Meshcheryakova A, Föger-Samwald U, Ellinger I. Immunology of Osteoporosis: A Mini-Review. Gerontology 2015; 62:128-37. [PMID: 26088283 DOI: 10.1159/000431091] [Citation(s) in RCA: 192] [Impact Index Per Article: 21.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/05/2015] [Accepted: 05/04/2015] [Indexed: 02/06/2023] Open
Abstract
Osteoporosis is a major cause of fractures and associated morbidity in the aged population. The pathogenesis of osteoporosis is multifactorial; whereas traditional pathophysiological concepts emphasize endocrine mechanisms, it has been recognized that also components of the immune system have a significant impact on bone. Since 2000, when the term 'osteoimmunology' was coined, novel insights into the role of inflammatory cytokines by influencing the fine-tuned balance between bone resorption and bone formation have helped to explain the occurrence of osteoporosis in conjunction with chronic inflammatory reactions. Moreover, the phenomenon of a low-grade, chronic, systemic inflammatory state associated with aging has been defined as 'inflamm-aging' by Claudio Franceschi and has been linked to age-related diseases such as osteoporosis. Given the tight anatomical and physiological coexistence of B cells and the bone-forming units in the bone marrow, a role of B cells in osteoimmunological interactions has long been suspected. Recent findings of B cells as active regulators of the RANK/RANKL/OPG axis, of altered RANKL/OPG production by B cells in HIV-associated bone loss or of a modulated expression of genes linked to B-cell biology in response to estrogen deficiency support this assumption. Furthermore, oxidative stress and the generation of advanced glycation end products have emerged as links between inflammation and bone destruction.
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Affiliation(s)
- Peter Pietschmann
- Department of Pathophysiology and Allergy Research, Center for Pathophysiology, Infectiology and Immunology, Medical University Vienna, Vienna, Austria
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A Comparative Study of the Metabolic and Skeletal Response of C57BL/6J and C57BL/6N Mice in a Diet-Induced Model of Type 2 Diabetes. J Nutr Metab 2015; 2015:758080. [PMID: 26146567 PMCID: PMC4469802 DOI: 10.1155/2015/758080] [Citation(s) in RCA: 39] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/04/2014] [Revised: 05/08/2015] [Accepted: 05/12/2015] [Indexed: 12/15/2022] Open
Abstract
Type 2 diabetes mellitus (T2DM) represents a complex clinical scenario of altered energy metabolism and increased fracture incidence. The C57BL/6 mouse model of diet-induced obesity has been used to study the mechanisms by which altered glucose homeostasis affects bone mass and quality, but genetic variations in substrains of C57BL/6 may have confounded data interpretation. This study investigated the long-term metabolic and skeletal consequences of two commonly used C57BL/6 substrains to a high fat (HF) diet. Male C57BL/6J, C57BL/6N, and the negative control strain, C3H/HeJ, mice were fed a control or HF diet for 24 wks. C57BL/6N mice on a HF diet demonstrated an increase in plasma insulin and blood glucose as early as 4 wk, whereas these responses were delayed in the C57BL/6J mice. The C57BL/6N mice exhibited more severe hepatic steatosis and inflammation. Only the C57BL/6N mice lost significant trabecular bone in response to the high fat diet. The C3H/HeJ mice were protected from bone loss. The data show that C57BL/6J and C57BL/6N mice differ in their metabolic and skeletal response when fed a HF diet. These substrain differences should be considered when designing experiments and are likely to have implications on data interpretation and reproducibility.
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Morra M, Cassinelli C, Bollati D, Cascardo G, Bellanda M. Adherent endotoxin on dental implant surfaces: a reappraisal. J ORAL IMPLANTOL 2015; 41:10-6. [PMID: 25699642 DOI: 10.1563/aaid-joi-d-12-00137] [Citation(s) in RCA: 12] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/22/2022]
Abstract
Osteoimmunology is the crosstalk between cells from the immune and skeletal systems, suggesting a role of pro-inflammatory cytokines in the stimulation of osteoclast activity. Endotoxin or bacterial challenges to inflammatory cells are directly relevant to dental implant pathologies involving bone resorption, such as osseointegration failure and peri-implantitis. While the endotoxin amount on implant devices is regulated by standards, it is unknown whether commercially available dental implants elicit different levels of adherent-endotoxin stimulated cytokines. The objective of this work is to develop a model system and evaluate endotoxin-induced expression of pro-inflammatory cytokine genes relevant to osteoclast activation on commercially available dental implants. Murine J774-A1 macrophages were cultured on Ti disks with different level of lipopolysaccharide (LPS) contamination to define the time-course of the inflammatory response to endotoxin, as evaluated by reverse transcription polymerase chain reaction analysis. The developed protocol was then used to measure adherent endotoxin on commercially available packaged and sterile dental implants in the "as-implanted" condition. Results show that tested dental implants induce variable expression of endotoxin-stimulated genes, sometimes above the level expected to promote bone resorption in vivo. Results are unaffected by the specific surface treatment; rather, they likely reflect care in cleaning and packaging protocols. In conclusion, expression of genes that enhance osteoclast activity through endotoxin stimulation of inflammatory cells is widely different on commercially available dental implants. A reappraisal of the clinical impact of adherent endotoxins on dental (and bone) implant devices is required in light of increasing knowledge on crosstalk between cells from the immune and skeletal systems.
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Russmueller G, Moser D, Würger T, Wrba F, Christopoulos P, Kostakis G, Seemann R, Stadler V, Wimmer G, Kornek G, Psyrri A, Filipits M, Perisanidis C. Upregulation of osteoprotegerin expression correlates with bone invasion and predicts poor clinical outcome in oral cancer. Oral Oncol 2014; 51:247-53. [PMID: 25532817 DOI: 10.1016/j.oraloncology.2014.11.010] [Citation(s) in RCA: 14] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/08/2014] [Revised: 11/10/2014] [Accepted: 11/15/2014] [Indexed: 11/18/2022]
Abstract
OBJECTIVES We aimed to determine the prognostic significance of receptor activator of nuclear factor kappa-B ligand (RANKL), RANK and osteoprotegerin (OPG) in patients with oral squamous cell carcinoma (OSCC). MATERIALS AND METHODS The protein expression of RANKL, RANK and OPG was assessed by immunohistochemistry on pretreatment biopsies of 93 patients with locally advanced OSCC who received preoperative chemoradiotherapy (CRT). The primary endpoint was cancer-specific survival. Secondary endpoints were correlation of biomarkers with bone invasion and pathological tumor response. Kaplan-Meier curves and Cox regression models were used for survival analyses. RESULTS A significantly higher OPG expression was demonstrated in patients with malignant bone invasion and non-responders to CRT as compared to patients without bone invasion and responders (p=0.032 and p=0.033, respectively). Multivariate analysis revealed that higher OPG expression was independently associated with shorter cancer-specific survival (p=0.04). The expression status of RANKL and RANK was not significantly related to clinicopathological characteristics and had no impact on survival of OSCC patients. CONCLUSION Upregulation of OPG expression is associated with bone invasion, poor pathological tumor regression to neoadjuvant CRT, and worse long-term cancer-specific survival in patients with locally advanced OSCC. Our results indicate that OPG may be a novel prognostic biomarker in oral cancer.
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Affiliation(s)
- G Russmueller
- Department of Cranio-, Maxillofacial and Oral Surgery, Medical University of Vienna, Austria
| | - D Moser
- Department of Cranio-, Maxillofacial and Oral Surgery, Medical University of Vienna, Austria
| | - T Würger
- Department of Clinical Pathology, Medical University of Vienna, Austria
| | - F Wrba
- Department of Clinical Pathology, Medical University of Vienna, Austria
| | - P Christopoulos
- Department of Maxillofacial and Oral Surgery, University of Athens, Greece.
| | - G Kostakis
- Department of Maxillofacial and Oral Surgery, University of Athens, Greece
| | - R Seemann
- Department of Cranio-, Maxillofacial and Oral Surgery, Medical University of Vienna, Austria
| | - V Stadler
- Department of Cranio-, Maxillofacial and Oral Surgery, Medical University of Vienna, Austria
| | - G Wimmer
- Department of Cranio-, Maxillofacial and Oral Surgery, Medical University of Vienna, Austria
| | - G Kornek
- Department of Medicine I, Medical University of Vienna, Austria
| | - A Psyrri
- Division of Oncology, Second Department of Internal Medicine, Attikon University Hospital, Athens, Greece
| | - M Filipits
- Department of Medicine I, Institute of Cancer Research, Medical University of Vienna, Austria
| | - C Perisanidis
- Department of Cranio-, Maxillofacial and Oral Surgery, Medical University of Vienna, Austria
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A Crucial Role of IL-17 in Bone Resorption During Rejection of Fresh Bone Xenotransplantation in Rats. Cell Biochem Biophys 2014; 71:1043-9. [DOI: 10.1007/s12013-014-0307-8] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/13/2023]
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Oelzner P, Petrow PK, Wolf G, Bräuer R. 1,25-Dihydroxyvitamin D3 prevents bone loss of the secondary spongiosa in arthritic rats by an increase of bone formation and mineralization and inhibition of bone resorption. BMC Musculoskelet Disord 2014; 15:345. [PMID: 25315028 PMCID: PMC4210592 DOI: 10.1186/1471-2474-15-345] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 05/21/2014] [Accepted: 09/22/2014] [Indexed: 02/07/2023] Open
Abstract
Background Active vitamin D metabolites have been shown to have protective effects in experimental arthritis especially when used as preventive treatment. However, because the direct effects of 1,25-dihydroxyvitamin D3 (1,25(OH) 2D3) on bone formation and resorption are very complex, the net effect of 1,25(OH)2D3 on histomorphometric parameters of bone turnover and mineralisation should be investigated. Therefore, we examined the influence of 1,25(OH)2D3 therapy on arthritis-induced alterations of periarticular and axial bone as well as disease activity, inflammation and joint destruction in antigen-induced arthritis (AIA) of the rat. Methods AIA was induced in 20 eight-week-old female Wistar rats. 10 rats without arthritis were used as healthy controls. AIA rats received 1,25(OH)2D3 (0.2 μg/kg/day, i.p., n = 10) or vehicle (n = 10) at regular intervals for 28 consecutive days beginning 3 days before arthritis induction. Bone structure of the secondary spongiosa of the periarticular and axial bone was analyzed using histomorphometry. Parameters of mineralization were investigated using tetracycline labelling. Clinical disease activity, inflammation and joint destruction were measured by joint swelling and histological investigation, respectively. Results AIA led to significant periarticular bone loss. 1,25(OH)2D3 treatment resulted in a highly significant increase in trabecular bone volume and bone formation rate in comparison to both vehicle-treated AIA and healthy controls at periarticular (p < 0.01 and p < 0.001, respectively) and axial bone (p < 0.001 and p < 0.001, respectively). In addition, bone resorption was reduced by 1,25(OH)2D3 at the axial bone (p < 0.05 vs. vehicle-treated AIA). Joint swelling as well as histological signs of inflammation and joint destruction were not influenced by 1,25(OH)2D3. Conclusions The results of the study indicate a marked osteoanabolic effect of 1,25(OH)2D3 presumably due to a substantial increase in mineralization. Thus, 1,25(OH)2D3 may be an effective osteoanabolic treatment principle to antagonize the inflammation-associated suppression of bone formation in rheumatoid arthritis. Electronic supplementary material The online version of this article (doi:10.1186/1471-2474-15-345) contains supplementary material, which is available to authorized users.
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Affiliation(s)
- Peter Oelzner
- Department of Internal Medicine III, University Hospital of Jena, Erlanger Allee 101, 07740 Jena, Germany.
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Thorfve A, Bergstrand A, Ekström K, Lindahl A, Thomsen P, Larsson A, Tengvall P. Gene expression profiling of peri-implant healing of PLGA-Li+ implants suggests an activated Wnt signaling pathway in vivo. PLoS One 2014; 9:e102597. [PMID: 25047349 PMCID: PMC4105622 DOI: 10.1371/journal.pone.0102597] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/24/2014] [Accepted: 06/20/2014] [Indexed: 01/09/2023] Open
Abstract
Bone development and regeneration is associated with the Wnt signaling pathway that, according to literature, can be modulated by lithium ions (Li+). The aim of this study was to evaluate the gene expression profile during peri-implant healing of poly(lactic-co-glycolic acid) (PLGA) implants with incorporated Li+, while PLGA without Li+ was used as control, and a special attention was then paid to the Wnt signaling pathway. The implants were inserted in rat tibia for 7 or 28 days and the gene expression profile was investigated using a genome-wide microarray analysis. The results were verified by qPCR and immunohistochemistry. Histomorphometry was used to evaluate the possible effect of Li+ on bone regeneration. The microarray analysis revealed a large number of significantly differentially regulated genes over time within the two implant groups. The Wnt signaling pathway was significantly affected by Li+, with approximately 34% of all Wnt-related markers regulated over time, compared to 22% for non-Li+ containing (control; Ctrl) implants. Functional cluster analysis indicated skeletal system morphogenesis, cartilage development and condensation as related to Li+. The downstream Wnt target gene, FOSL1, and the extracellular protein-encoding gene, ASPN, were significantly upregulated by Li+ compared with Ctrl. The presence of β-catenin, FOSL1 and ASPN positive cells was confirmed around implants of both groups. Interestingly, a significantly reduced bone area was observed over time around both implant groups. The presence of periostin and calcitonin receptor-positive cells was observed at both time points. This study is to the best of the authors' knowledge the first report evaluating the effect of a local release of Li+ from PLGA at the fracture site. The present study shows that during the current time frame and with the present dose of Li+ in PLGA implants, Li+ is not an enhancer of early bone growth, although it affects the Wnt signaling pathway.
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Affiliation(s)
- Anna Thorfve
- Department of Biomaterials, Institute of Clinical Sciences, The Sahlgrenska Academy, University of Gothenburg, Gothenburg, Sweden
- BIOMATCELL VINN Excellence Center of Biomaterials and Cell Therapy, Gothenburg, Sweden
| | - Anna Bergstrand
- Department of Chemical and Biological Engineering, Chalmers University of Technology, Gothenburg, Sweden
- SuMo BIOMATERIALS VINN Excellence Center, Gothenburg, Sweden
- Stiftelsen Chalmers Industriteknik, Chalmers Teknikpark, Gothenburg, Sweden
| | - Karin Ekström
- Department of Biomaterials, Institute of Clinical Sciences, The Sahlgrenska Academy, University of Gothenburg, Gothenburg, Sweden
- BIOMATCELL VINN Excellence Center of Biomaterials and Cell Therapy, Gothenburg, Sweden
| | - Anders Lindahl
- BIOMATCELL VINN Excellence Center of Biomaterials and Cell Therapy, Gothenburg, Sweden
- Department of Clinical Chemistry and Transfusion Medicine, Institute of Biomedicine, The Sahlgrenska Academy, University of Gothenburg, Gothenburg, Sweden
| | - Peter Thomsen
- Department of Biomaterials, Institute of Clinical Sciences, The Sahlgrenska Academy, University of Gothenburg, Gothenburg, Sweden
- BIOMATCELL VINN Excellence Center of Biomaterials and Cell Therapy, Gothenburg, Sweden
| | - Anette Larsson
- Department of Chemical and Biological Engineering, Chalmers University of Technology, Gothenburg, Sweden
- SuMo BIOMATERIALS VINN Excellence Center, Gothenburg, Sweden
| | - Pentti Tengvall
- Department of Biomaterials, Institute of Clinical Sciences, The Sahlgrenska Academy, University of Gothenburg, Gothenburg, Sweden
- BIOMATCELL VINN Excellence Center of Biomaterials and Cell Therapy, Gothenburg, Sweden
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Kim JY, Cheon YH, Oh HM, Rho MC, Erkhembaatar M, Kim MS, Lee CH, Kim JJ, Choi MK, Yoon KH, Lee MS, Oh J. Oleanolic acid acetate inhibits osteoclast differentiation by downregulating PLCγ2-Ca(2+)-NFATc1 signaling, and suppresses bone loss in mice. Bone 2014; 60:104-11. [PMID: 24361669 DOI: 10.1016/j.bone.2013.12.013] [Citation(s) in RCA: 49] [Impact Index Per Article: 4.9] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 07/24/2013] [Revised: 11/25/2013] [Accepted: 12/11/2013] [Indexed: 12/13/2022]
Abstract
Owing to their potential pharmacological activities in human disease, natural plant-derived compounds have recently become the focus of increased research interest. In this study, we first isolated oleanolic acid acetate (OAA), a triterpenoid compound, from Vigna angularis (azuki bean) to discover anti-bone resorptive agents. Many studies have identified and described the various medicinal effects of V. angularis extract. However, the pharmacological effect of OAA-derived V. angularis extract, particularly the effect on osteoclastogenesis, is not known. Therefore, we investigated the effect and mechanism of OAA in receptor activator of nuclear factor-κB ligand (RANKL)-induced osteoclastogenesis. OAA inhibited RANKL-induced osteoclast differentiation in bone marrow macrophages (BMMs) without any evidence of cytotoxicity. Interestingly, OAA significantly inhibited Btk phosphorylation, phospholipase Cγ2 (PLCγ2) phosphorylation, calcium ion (Ca(2+)) oscillation, and nuclear factor of activated T cell c1 (NFATc1) expression in RANKL-stimulated BMMs, but did not affect RANKL-induced mitogen-activated protein kinase. OAA also inhibited the bone-resorbing activity of mature osteoclasts. Furthermore, mice treated with OAA demonstrated marked attenuation of lipopolysaccharide-induced bone erosion based on micro-computed tomography and histologic analysis of femurs. Taken together, the results suggested that OAA inhibited RANKL-mediated osteoclastogenesis via PLCγ2-Ca(2+)-NFATc1 signaling in vitro and suppressed inflammatory bone loss in vivo.
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Affiliation(s)
- Ju-Young Kim
- Imaging Science-based Lung and Bone Diseases Research Center, Wonkwang University, Iksan, Jeonbuk 570-749, Republic of Korea
| | - Yoon-Hee Cheon
- Department of Anatomy, School of Medicine, Wonkwang University, Iksan, Jeonbuk 570-749, Republic of Korea
| | - Hyun Mee Oh
- Bioindustrial Process Research Center, Bio-Materials Research Institute, Korea Research Institute of Bioscience and Biotechnology, Jeongeup, Jeonbuk 580-185, Republic of Korea
| | - Mun Chual Rho
- Bioindustrial Process Research Center, Bio-Materials Research Institute, Korea Research Institute of Bioscience and Biotechnology, Jeongeup, Jeonbuk 580-185, Republic of Korea
| | - Munkhsoyol Erkhembaatar
- Department of Oral Physiology, School of Dentistry, Wonkwang University, Iksan, Jeonbuk 570-749, Republic of Korea
| | - Min Seuk Kim
- Department of Oral Physiology, School of Dentistry, Wonkwang University, Iksan, Jeonbuk 570-749, Republic of Korea; Institute for Skeletal Disease, Wonkwang University, Iksan, Jeonbuk 570-749, Republic of Korea
| | - Chang Hoon Lee
- Institute for Skeletal Disease, Wonkwang University, Iksan, Jeonbuk 570-749, Republic of Korea; Division of Rheumatology, Department of Internal Medicine, Wonkwang University, Iksan, Jeonbuk 570-749, Republic of Korea
| | - Jeong Joong Kim
- Department of Anatomy, School of Medicine, Wonkwang University, Iksan, Jeonbuk 570-749, Republic of Korea; Institute for Skeletal Disease, Wonkwang University, Iksan, Jeonbuk 570-749, Republic of Korea
| | - Min Kyu Choi
- Department of Anatomy, School of Medicine, Wonkwang University, Iksan, Jeonbuk 570-749, Republic of Korea
| | - Kwon-Ha Yoon
- Imaging Science-based Lung and Bone Diseases Research Center, Wonkwang University, Iksan, Jeonbuk 570-749, Republic of Korea; Department of Radiology, School of Medicine, Wonkwang University, Iksan, Jeonbuk 570-749, Republic of Korea
| | - Myeung Su Lee
- Imaging Science-based Lung and Bone Diseases Research Center, Wonkwang University, Iksan, Jeonbuk 570-749, Republic of Korea; Institute for Skeletal Disease, Wonkwang University, Iksan, Jeonbuk 570-749, Republic of Korea; Division of Rheumatology, Department of Internal Medicine, Wonkwang University, Iksan, Jeonbuk 570-749, Republic of Korea.
| | - Jaemin Oh
- Imaging Science-based Lung and Bone Diseases Research Center, Wonkwang University, Iksan, Jeonbuk 570-749, Republic of Korea; Department of Anatomy, School of Medicine, Wonkwang University, Iksan, Jeonbuk 570-749, Republic of Korea; Institute for Skeletal Disease, Wonkwang University, Iksan, Jeonbuk 570-749, Republic of Korea.
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48
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Thorfve A, Lindahl C, Xia W, Igawa K, Lindahl A, Thomsen P, Palmquist A, Tengvall P. Hydroxyapatite coating affects the Wnt signaling pathway during peri-implant healing in vivo. Acta Biomater 2014; 10:1451-62. [PMID: 24342040 DOI: 10.1016/j.actbio.2013.12.012] [Citation(s) in RCA: 45] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/23/2013] [Revised: 11/12/2013] [Accepted: 12/09/2013] [Indexed: 01/09/2023]
Abstract
Owing to its bio- and osteoconductivity, hydroxyapatite (HA) is a widely used implant material, but its osteogenic properties are only partly evaluated in vitro and in vivo. The present study focused on bone healing adjacent to HA-coated titanium (Ti) implants, with or without incorporated lithium ions (Li(+)). Special attention was given to the Wnt signaling pathway. The implants were inserted into rat tibia for 7 or 28 days and analyzed ex vivo, mainly by histomorphometry and quantitative real-time polymerase chain reaction (qPCR). HA-coated implants showed, irrespective of Li(+) content, bone-implant contact (BIC) and removal torque values significantly higher than those of reference Ti. Further, the expression of OCN, CTSK, COL1A1, LRP5/6 and WISP1 was significantly higher in implant-adherent cells of HA-coated implants, with or without Li(+). Significantly higher β-catenin expression and significantly lower COL2A1 expression were observed in peri-implant bone cells from HA with 14 ng cm(-2) released Li(+). Interestingly, Ti implants showed a significantly larger bone area (BA) in the threads than HA with 39 ng cm(-2) released Li(+), but had a lower BIC than any HA-coated implant. This study shows that HA, with or without Li(+), is a strong activator of the Wnt signaling pathway, and may to some degree explain its high bone induction capacity.
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Affiliation(s)
- A Thorfve
- Department of Biomaterials, Institute of Clinical Sciences, The Sahlgrenska Academy, University of Gothenburg, Box 412, SE-405 30 Gothenburg, Sweden; BIOMATCELL VINN Excellence Center of Biomaterials and Cell Therapy, The Sahlgrenska Academy at University of Gothenburg, Box 412, SE-405 30 Gothenburg, Sweden.
| | - C Lindahl
- BIOMATCELL VINN Excellence Center of Biomaterials and Cell Therapy, The Sahlgrenska Academy at University of Gothenburg, Box 412, SE-405 30 Gothenburg, Sweden; Department of Engineering Sciences, Angstrom Laboratory, Uppsala University, Box 534, SE-751 21 Uppsala, Sweden
| | - W Xia
- BIOMATCELL VINN Excellence Center of Biomaterials and Cell Therapy, The Sahlgrenska Academy at University of Gothenburg, Box 412, SE-405 30 Gothenburg, Sweden; Department of Engineering Sciences, Angstrom Laboratory, Uppsala University, Box 534, SE-751 21 Uppsala, Sweden
| | - K Igawa
- BIOMATCELL VINN Excellence Center of Biomaterials and Cell Therapy, The Sahlgrenska Academy at University of Gothenburg, Box 412, SE-405 30 Gothenburg, Sweden; Department of Oral and Maxillofacial Surgery, Southern Tohoku Research Institute for Neuroscience, Southern Tohoku General Hospital, 71-15 Yatsuyamada Koriyama, Fukushima 9638-563, Japan
| | - A Lindahl
- BIOMATCELL VINN Excellence Center of Biomaterials and Cell Therapy, The Sahlgrenska Academy at University of Gothenburg, Box 412, SE-405 30 Gothenburg, Sweden; Department of Clinical Chemistry and Transfusion Medicine, The Sahlgrenska Academy, University of Gothenburg, Bruna Straket 16, SE-413 45 Gothenburg, Sweden
| | - P Thomsen
- Department of Biomaterials, Institute of Clinical Sciences, The Sahlgrenska Academy, University of Gothenburg, Box 412, SE-405 30 Gothenburg, Sweden; BIOMATCELL VINN Excellence Center of Biomaterials and Cell Therapy, The Sahlgrenska Academy at University of Gothenburg, Box 412, SE-405 30 Gothenburg, Sweden
| | - A Palmquist
- Department of Biomaterials, Institute of Clinical Sciences, The Sahlgrenska Academy, University of Gothenburg, Box 412, SE-405 30 Gothenburg, Sweden; BIOMATCELL VINN Excellence Center of Biomaterials and Cell Therapy, The Sahlgrenska Academy at University of Gothenburg, Box 412, SE-405 30 Gothenburg, Sweden
| | - P Tengvall
- Department of Biomaterials, Institute of Clinical Sciences, The Sahlgrenska Academy, University of Gothenburg, Box 412, SE-405 30 Gothenburg, Sweden; BIOMATCELL VINN Excellence Center of Biomaterials and Cell Therapy, The Sahlgrenska Academy at University of Gothenburg, Box 412, SE-405 30 Gothenburg, Sweden
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49
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Tsai CL, Chen WC, Lee IT, Chi PL, Cheng SE, Yang CM. c-Src-dependent transactivation of PDGFR contributes to TNF-α-induced MMP-9 expression and functional impairment in osteoblasts. Bone 2014; 60:186-97. [PMID: 24361597 DOI: 10.1016/j.bone.2013.12.014] [Citation(s) in RCA: 17] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 05/16/2013] [Revised: 12/07/2013] [Accepted: 12/11/2013] [Indexed: 12/26/2022]
Abstract
Matrix metalloproteinases (MMPs), MMP-9 especially, have been shown to be induced by cytokines, including tumor necrosis factor-α (TNF-α) and may contribute to bone inflammatory diseases and postnatal bone modeling and remodeling. However, the mechanisms underlying MMP-9 expression induced by TNF-α in osteoblasts remain unclear. Here, we showed that in MC3T3-E1 cells, TNF-α induced MMP-9 gene expression determined by real-time PCR, zymography, and promoter assay. TNF-α-mediated responses were attenuated by pretreatment with the inhibitor of protein tyrosine kinase (PTK; genistein), c-Src (PP1), PDGFR (AG1296), PI3K (LY294002), Akt (SH-5), MEK1/2 (U0126), p38 MAPK (SB202190), JNK1/2 (SP600125), or AP-1 (Tanshinone IIA) and transfection with siRNA of c-Src, PDGFR, p85, Akt, c-Jun, or ATF2. Moreover, TNF-α also time-dependently stimulated phosphorylation of c-Src and PDGFR and c-Src/PDGFR complex formation, which were reduced by pretreatment with PP1 or AG1296. TNF-α-stimulated Akt phosphorylation was inhibited by genistein, PP1, AG1296, LY294002, or SH5. We further demonstrated that TNF-α stimulated ERK1/2, p38 MAPK, and JNK1/2 phosphorylation via a c-Src-dependent PDGFR/PI3K/Akt pathway. TNF-α stimulated AP-1 activation, including c-Jun and ATF2 phosphorylation and AP-1 transcription activity via MAPK-dependent pathways. In addition, TNF-α-induced MMP-9 promoter activity was mediated through an AP-1 binding domain of the MMP-9 promoter region. Finally, we found that up-regulation of MMP-9 contributes to MMP-mediated type I collagen degradation and osteoblasts detachment. These results suggested that TNF-α-induced MMP-9 expression is mediated through a c-Src-dependent PDGFR transactivation and PI3K/Akt cascade linking to MAPK-mediated activation of AP-1 (c-Jun/ATF2) and leading to functional impairment in osteoblasts.
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Affiliation(s)
- Chia-Lan Tsai
- Department of Physiology and Pharmacology and Health Ageing Research Center, College of Medicine, Chang Gung University, Tao-Yuan, Taiwan; Department of Nursing, Division of Basic Medical Sciences, Chang Gung University of Science and Technology, Tao-Yuan, Taiwan
| | - Wei-Chung Chen
- Department of Physiology and Pharmacology and Health Ageing Research Center, College of Medicine, Chang Gung University, Tao-Yuan, Taiwan
| | - I-Ta Lee
- Department of Physiology and Pharmacology and Health Ageing Research Center, College of Medicine, Chang Gung University, Tao-Yuan, Taiwan; Department of Anesthetics, Chang Gung Memorial Hospital at Lin-Kou and College of Medicine, Chang Gung University, Kwei-San, Tao-Yuan, Taiwan
| | - Pei-Ling Chi
- Department of Physiology and Pharmacology and Health Ageing Research Center, College of Medicine, Chang Gung University, Tao-Yuan, Taiwan
| | - Shin-Ei Cheng
- Department of Physiology and Pharmacology and Health Ageing Research Center, College of Medicine, Chang Gung University, Tao-Yuan, Taiwan
| | - Chuen-Mao Yang
- Department of Physiology and Pharmacology and Health Ageing Research Center, College of Medicine, Chang Gung University, Tao-Yuan, Taiwan.
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50
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Sipos W, Föger-Samwald U, Pietschmann P. Supporting Apparatus of Vertebrates: Skeleton and Bones. Comp Med 2014. [DOI: 10.1007/978-3-7091-1559-6_3] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/25/2022]
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