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Giannakopoulos A, Efthymiadou A, Kritikou D, Chrysis D. Osteoprotegerin in infection-induced acute inflammatory states in children. Heliyon 2024; 10:e27565. [PMID: 38509997 PMCID: PMC10951505 DOI: 10.1016/j.heliyon.2024.e27565] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/20/2023] [Revised: 02/29/2024] [Accepted: 03/01/2024] [Indexed: 03/22/2024] Open
Abstract
Background and aims Osteoprotegerin (OPG) is a tumor necrosis factor receptor superfamily member which increases in chronic inflammation and is associated with altered bone turnover and cardiovascular complications. In this study, we investigated whether OPG increases during acute inflammatory states induced by infections in children and correlated its levels with other biomarkers. Materials and methods This is a prospective study that included 59 patients with documented bacterial infections, 20 with viral infections and 20 healthy controls. OPG, C-reactive protein (CRP), erythrocyte sedimentation rate (ESR) and white blood cells (WBC) were measured. Results OPG serum levels were significantly increased during inflammation induced by a bacterial infection, compared to viral infection and controls (4.17 pmol/l (2.40-12.12) vs 3.2 (1.66-5.33) and 3 pmol/l (2.13-4.76), respectively, p < 0.001). In addition, OPG correlated well with CRP (rho = 0.428, p = 0.0011), ESR (rho = 0.3, p = 0.026), and WBC (rho = 0.266, p = 0.05) only in the group with bacterial infection. The sensitivity of CRP in detecting a bacterial infection was superior to OPG (67.3% vs 38.3%). Conclusion This study provides proof of concept that OPG increases differentially in bacterial infections, although with a lower sensitivity than CRP. Further studies are needed to define the role of OPG during the inflammatory states of infection in pediatric infections.
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Affiliation(s)
- Aristeidis Giannakopoulos
- Division of Pediatric Endocrinology, Department of Pediatrics, Medical School of Patras, University Hospital, Rio, Greece
| | - Alexandra Efthymiadou
- Division of Pediatric Endocrinology, Department of Pediatrics, Medical School of Patras, University Hospital, Rio, Greece
| | - Dimitra Kritikou
- Division of Pediatric Endocrinology, Department of Pediatrics, Medical School of Patras, University Hospital, Rio, Greece
| | - Dionisios Chrysis
- Division of Pediatric Endocrinology, Department of Pediatrics, Medical School of Patras, University Hospital, Rio, Greece
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Grčević D, Sanjay A, Lorenzo J. Interactions of B-lymphocytes and bone cells in health and disease. Bone 2023; 168:116296. [PMID: 34942359 PMCID: PMC9936888 DOI: 10.1016/j.bone.2021.116296] [Citation(s) in RCA: 3] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 10/18/2021] [Revised: 12/01/2021] [Accepted: 12/08/2021] [Indexed: 02/09/2023]
Abstract
Bone remodeling occurs through the interactions of three major cell lineages, osteoblasts, which mediate bone formation, osteocytes, which derive from osteoblasts, sense mechanical force and direct bone turnover, and osteoclasts, which mediate bone resorption. However, multiple additional cell types within the bone marrow, including macrophages, T lymphocytes and B lymphocytes influence the process. The bone marrow microenvironment, which is supported, in part, by bone cells, forms a nurturing network for B lymphopoiesis. In turn, developing B lymphocytes influence bone cells. Bone health during homeostasis depends on the normal interactions of bone cells with other lineages in the bone marrow. In disease state these interactions become pathologic and can cause abnormal function of bone cells and inadequate repair of bone after a fracture. This review summarizes what is known about the development of B lymphocytes and the interactions of B lymphocytes with bone cells in both health and disease.
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Affiliation(s)
- Danka Grčević
- Department of Physiology and Immunology, Croatian Institute for Brain Research, School of Medicine University of Zagreb, Zagreb, Croatia.
| | - Archana Sanjay
- Department of Orthopaedics, UConn Health, Farmington, CT, USA.
| | - Joseph Lorenzo
- Departments of Medicine and Orthopaedics, UConn Health, Farmington, CT, USA.
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Ren X, Dejam D, Oberoi MK, Dahan NJ, Zhou Q, Huang KX, Bedar M, Chan CH, Kolliopoulos V, Dewey MJ, Harley BAC, Lee JC. Osteoprotegerin-eluting nanoparticulate mineralized collagen scaffolds improve skull regeneration. BIOMATERIALS ADVANCES 2023; 145:213262. [PMID: 36565669 PMCID: PMC10089592 DOI: 10.1016/j.bioadv.2022.213262] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/13/2022] [Revised: 11/29/2022] [Accepted: 12/16/2022] [Indexed: 12/24/2022]
Abstract
Custom synthesis of extracellular matrix (ECM)-inspired materials for condition-specific reconstruction has emerged as a potentially translatable regenerative strategy. In skull defect reconstruction, nanoparticulate mineralized collagen glycosaminoglycan scaffolds (MC-GAG) have demonstrated osteogenic and anti-osteoclastogenic properties, culminating in the ability to partially heal in vivo skull defects without the addition of exogenous growth factors or progenitor cell loading. In an effort to reduce catabolism during early skull regeneration, we fabricated a composite material (MCGO) of MC-GAG and recombinant osteoprotegerin (OPG), an endogenous anti-osteoclastogenic decoy receptor. In the presence of differentiating osteoprogenitors, MCGO demonstrated an additive effect with endogenous OPG limited to the first 14 days of culture with total eluted and scaffold-bound OPG exceeding that of MC-GAG. Functionally, MCGO exhibited similar osteogenic properties as MC-GAG, however, MCGO significantly reduced maturation and resorptive activities of primary human osteoclasts. In a rabbit skull defect model, MCGO scaffold-reconstructed defects displayed higher mineralization as well as increased hardness and microfracture resistance compared to non-OPG functionalized MC-GAG scaffolds. The current work suggests that MCGO is a development in the goal of reaching a materials-based strategy for skull regeneration.
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Affiliation(s)
- Xiaoyan Ren
- Division of Plastic and Reconstructive Surgery, UCLA David Geffen School of Medicine, Los Angeles, CA 90095, United States; Greater Los Angeles VA Healthcare System, Los Angeles, CA 90073, United States
| | - Dillon Dejam
- Division of Plastic and Reconstructive Surgery, UCLA David Geffen School of Medicine, Los Angeles, CA 90095, United States; Greater Los Angeles VA Healthcare System, Los Angeles, CA 90073, United States
| | - Michelle K Oberoi
- Division of Plastic and Reconstructive Surgery, UCLA David Geffen School of Medicine, Los Angeles, CA 90095, United States; Greater Los Angeles VA Healthcare System, Los Angeles, CA 90073, United States
| | - Natalie J Dahan
- Division of Plastic and Reconstructive Surgery, UCLA David Geffen School of Medicine, Los Angeles, CA 90095, United States; Greater Los Angeles VA Healthcare System, Los Angeles, CA 90073, United States
| | - Qi Zhou
- Division of Plastic and Reconstructive Surgery, UCLA David Geffen School of Medicine, Los Angeles, CA 90095, United States; Greater Los Angeles VA Healthcare System, Los Angeles, CA 90073, United States
| | - Kelly X Huang
- Division of Plastic and Reconstructive Surgery, UCLA David Geffen School of Medicine, Los Angeles, CA 90095, United States; Greater Los Angeles VA Healthcare System, Los Angeles, CA 90073, United States
| | - Meiwand Bedar
- Division of Plastic and Reconstructive Surgery, UCLA David Geffen School of Medicine, Los Angeles, CA 90095, United States; Greater Los Angeles VA Healthcare System, Los Angeles, CA 90073, United States
| | - Candace H Chan
- Division of Plastic and Reconstructive Surgery, UCLA David Geffen School of Medicine, Los Angeles, CA 90095, United States; Greater Los Angeles VA Healthcare System, Los Angeles, CA 90073, United States
| | - Vasiliki Kolliopoulos
- Department of Chemical and Biomolecular Engineering, University of Illinois at Urbana-Champaign, Urbana, IL 61801, United States; Carl R. Woese Institute for Genomic Biology, University of Illinois at Urbana-Champaign, Urbana, IL 61801, United States
| | - Marley J Dewey
- Department of Chemical and Biomolecular Engineering, University of Illinois at Urbana-Champaign, Urbana, IL 61801, United States
| | - Brendan A C Harley
- Department of Chemical and Biomolecular Engineering, University of Illinois at Urbana-Champaign, Urbana, IL 61801, United States; Carl R. Woese Institute for Genomic Biology, University of Illinois at Urbana-Champaign, Urbana, IL 61801, United States
| | - Justine C Lee
- Division of Plastic and Reconstructive Surgery, UCLA David Geffen School of Medicine, Los Angeles, CA 90095, United States; Greater Los Angeles VA Healthcare System, Los Angeles, CA 90073, United States; UCLA Molecular Biology Institute, Los Angeles, CA 90095, United States; Department of Orthopaedic Surgery, UCLA David Geffen School of Medicine, Los Angeles, CA 90095, United States; Research Service, Greater Los Angeles Veterans Affairs Healthcare System, Los Angeles, CA 90073, United States.
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4
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GAO X, SHEN S, NIU Q, MIAO W, HAN Y, HAO Z, AN N, YANG Y, ZHANG Y, ZHANG H, STOREY KB, CHANG H. Differential bone metabolism and protein expression in mice fed a high-fat diet versus Daurian ground squirrels following natural pre-hibernation fattening. J Zhejiang Univ Sci B 2022; 23:1042-1056. [PMID: 36518056 PMCID: PMC9758712 DOI: 10.1631/jzus.b2100798] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/24/2022]
Abstract
This study compared the effects on bone metabolism and morphology of pathological obesity induced by excessive fat intake in a non-hibernator (mice) versus healthy obesity due to pre-hibernation fattening in a hibernator (ground squirrels). Kunming mice were fed a high-fat diet to provide a model of pathological obesity (OB group). Daurian ground squirrels fattened naturally in their pre-hibernation season (PRE group) were used as a healthy obesity model. Micro-computed tomography (micro-CT) and three-point bending tests were used to determine the microstructure and mechanical properties of bone. Western blots were used to analyze protein expression levels related to bone metabolism (Runt-related transcription factor 2 (RunX2), osteocalcin (OCN), alkaline phosphatase (ALP), osteoprotegerin (OPG), receptor activator of nuclear factor-κB ligand (RANKL), cathepsin K, matrix metallopeptidase 9 (MMP9), patched protein homolog 1 (Ptch1), phosphorylated β-catenin (P-β-catenin), and glycogen synthase kinase-3β (GSK-3β)). Compared with controls, there was no obvious bone loss in the OB mice, and the stiffness of the femur was increased significantly. Compared with summer active squirrels, bone formation was enhanced but the mechanical properties did not change in the PRE group squirrels. In OB mice, western blots showed significantly increased expression levels of all proteins except RunX2, OPG, and Ptch1. PRE ground squirrels showed significantly increased expression of most proteins except OCN and Ptch1, which decreased significantly, and P-β-catenin and OPG, which did not change. In conclusion, for non-hibernating mice, moderate obesity had a certain protective effect on bones, demonstrating two-way regulation, increasing both bone loss and bone formation. For pre-hibernating ground squirrels, the healthy obesity acquired before hibernation had a positive effect on the microstructure of bones, and also enhanced the expression levels of proteins related to bone formation, bone resorption, and Wnt signaling.
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Affiliation(s)
- Xuli GAO
- Shaanxi Key Laboratory for Animal Conservation, Northwest University, Xi’an710069, China,Key Laboratory of Resource Biology and Biotechnology in Western China (College of Life Sciences, Northwest University), Ministry of Education, Xi’an710069, China
| | - Shenyang SHEN
- Key Laboratory of Resource Biology and Biotechnology in Western China (College of Life Sciences, Northwest University), Ministry of Education, Xi’an710069, China
| | - Qiaohua NIU
- Key Laboratory of Resource Biology and Biotechnology in Western China (College of Life Sciences, Northwest University), Ministry of Education, Xi’an710069, China
| | - Weilan MIAO
- Key Laboratory of Resource Biology and Biotechnology in Western China (College of Life Sciences, Northwest University), Ministry of Education, Xi’an710069, China
| | - Yuting HAN
- Key Laboratory of Resource Biology and Biotechnology in Western China (College of Life Sciences, Northwest University), Ministry of Education, Xi’an710069, China
| | - Ziwei HAO
- Key Laboratory of Resource Biology and Biotechnology in Western China (College of Life Sciences, Northwest University), Ministry of Education, Xi’an710069, China
| | - Ning AN
- Key Laboratory of Resource Biology and Biotechnology in Western China (College of Life Sciences, Northwest University), Ministry of Education, Xi’an710069, China
| | - Yingyu YANG
- Key Laboratory of Resource Biology and Biotechnology in Western China (College of Life Sciences, Northwest University), Ministry of Education, Xi’an710069, China
| | - Yu ZHANG
- Key Laboratory of Resource Biology and Biotechnology in Western China (College of Life Sciences, Northwest University), Ministry of Education, Xi’an710069, China
| | - Han ZHANG
- Key Laboratory of Resource Biology and Biotechnology in Western China (College of Life Sciences, Northwest University), Ministry of Education, Xi’an710069, China
| | - Kenneth B. STOREY
- Department of Biology, Carleton University, Ottawa, ON K1S 5B6, Canada
| | - Hui CHANG
- Shaanxi Key Laboratory for Animal Conservation, Northwest University, Xi’an710069, China,Key Laboratory of Resource Biology and Biotechnology in Western China (College of Life Sciences, Northwest University), Ministry of Education, Xi’an710069, China,Hui CHANG,
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Fröhlich A, Olde Heuvel F, Rehman R, Krishnamurthy SS, Li S, Li Z, Bayer D, Conquest A, Hagenston AM, Ludolph A, Huber-Lang M, Boeckers T, Knöll B, Morganti-Kossmann MC, Bading H, Roselli F. Neuronal nuclear calcium signaling suppression of microglial reactivity is mediated by osteoprotegerin after traumatic brain injury. J Neuroinflammation 2022; 19:279. [PMCID: PMC9675197 DOI: 10.1186/s12974-022-02634-4] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/03/2022] [Accepted: 10/30/2022] [Indexed: 11/21/2022] Open
Abstract
Background Traumatic brain injury (TBI) is characterized by massive changes in neuronal excitation, from acute excitotoxicity to chronic hyper- or hypoexcitability. Nuclear calcium signaling pathways are involved in translating changes in synaptic inputs and neuronal activity into discrete transcriptional programs which not only affect neuronal survival and synaptic integrity, but also the crosstalk between neurons and glial cells. Here, we report the effects of blunting neuronal nuclear calcium signals in the context of TBI. Methods We used AAV vectors to express the genetically encoded and nuclear-targeted calcium buffer parvalbumin (PV.NLS.mCherry) or the calcium/calmodulin buffer CaMBP4.mCherry in neurons only. Upon TBI, the extent of neuroinflammation, neuronal death and synaptic loss were assessed by immunohistochemistry and targeted transcriptome analysis. Modulation of the overall level of neuronal activity was achieved by PSAM/PSEM chemogenetics targeted to parvalbumin interneurons. The functional impact of neuronal nuclear calcium buffering in TBI was assessed by quantification of spontaneous whisking. Results Buffering neuronal nuclear calcium unexpectedly resulted in a massive and long-lasting increase in the recruitment of reactive microglia to the injury site, which was characterized by a disease-associated and phagocytic phenotype. This effect was accompanied by a substantial surge in synaptic loss and significantly reduced whisking activity. Transcriptome analysis revealed a complex effect of TBI in the context of neuronal nuclear calcium buffering, with upregulation of complement factors, chemokines and interferon-response genes, as well as the downregulation of synaptic genes and epigenetic regulators compared to control conditions. Notably, nuclear calcium buffering led to a substantial loss in neuronal osteoprotegerin (OPG), whereas stimulation of neuronal firing induced OPG expression. Viral re-expression of OPG resulted in decreased microglial recruitment and synaptic loss. OPG upregulation was also observed in the CSF of human TBI patients, underscoring its translational value. Conclusion Neuronal nuclear calcium signals regulate the degree of microglial recruitment and reactivity upon TBI via, among others, osteoprotegerin signals. Our findings support a model whereby neuronal activity altered after TBI exerts a powerful impact on the neuroinflammatory cascade, which in turn contributes to the overall loss of synapses and functional impairment. Supplementary Information The online version contains supplementary material available at 10.1186/s12974-022-02634-4.
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Affiliation(s)
- Albrecht Fröhlich
- grid.6582.90000 0004 1936 9748Dept. of Neurology, Ulm University, Ulm, Germany
| | - Florian Olde Heuvel
- grid.6582.90000 0004 1936 9748Dept. of Neurology, Ulm University, Ulm, Germany
| | - Rida Rehman
- grid.6582.90000 0004 1936 9748Dept. of Neurology, Ulm University, Ulm, Germany
| | - Sruthi Sankari Krishnamurthy
- grid.6582.90000 0004 1936 9748Dept. of Neurology, Ulm University, Ulm, Germany ,CEMMA (Cellular and Molecular Mechanisms in Aging) Research Training Group, Ulm, Germany
| | - Shun Li
- grid.6582.90000 0004 1936 9748Dept. of Neurology, Ulm University, Ulm, Germany
| | - Zhenghui Li
- grid.6582.90000 0004 1936 9748Dept. of Neurology, Ulm University, Ulm, Germany ,Dept. of Neurosurgery, Kaifeng Central Hospital, Kaifeng, China
| | - David Bayer
- grid.6582.90000 0004 1936 9748Dept. of Neurology, Ulm University, Ulm, Germany ,CEMMA (Cellular and Molecular Mechanisms in Aging) Research Training Group, Ulm, Germany
| | - Alison Conquest
- grid.1623.60000 0004 0432 511XNational Trauma Research Institute and Department of Neurosurgery, The Alfred Hospital, Melbourne, Australia
| | - Anna M. Hagenston
- grid.7700.00000 0001 2190 4373Interdisciplinary Center for Neurosciences, Department of Neurobiology, Heidelberg University, Heidelberg, Germany
| | - Albert Ludolph
- grid.6582.90000 0004 1936 9748Dept. of Neurology, Ulm University, Ulm, Germany ,grid.424247.30000 0004 0438 0426German Center for Neurodegenerative Diseases (DZNE)-Ulm, Ulm, Germany
| | - Markus Huber-Lang
- grid.6582.90000 0004 1936 9748Institute for Clinical and Experimental Trauma Immunology, Ulm University, Ulm, Germany
| | - Tobias Boeckers
- grid.424247.30000 0004 0438 0426German Center for Neurodegenerative Diseases (DZNE)-Ulm, Ulm, Germany ,grid.6582.90000 0004 1936 9748Institute for Anatomy and Cell Biology, Ulm University, Ulm, Germany
| | - Bernd Knöll
- grid.6582.90000 0004 1936 9748Institute of Neurobiochemistry, Ulm University, Ulm, Germany
| | - Maria Cristina Morganti-Kossmann
- grid.1623.60000 0004 0432 511XNational Trauma Research Institute and Department of Neurosurgery, The Alfred Hospital, Melbourne, Australia ,grid.134563.60000 0001 2168 186XDepartment of Child Health, Barrow Neurological Institute at Phoenix Children’s Hospital, University of Arizona College of Medicine, Phoenix, Phoenix, AZ USA
| | - Hilmar Bading
- grid.7700.00000 0001 2190 4373Interdisciplinary Center for Neurosciences, Department of Neurobiology, Heidelberg University, Heidelberg, Germany
| | - Francesco Roselli
- grid.6582.90000 0004 1936 9748Dept. of Neurology, Ulm University, Ulm, Germany ,grid.424247.30000 0004 0438 0426German Center for Neurodegenerative Diseases (DZNE)-Ulm, Ulm, Germany ,Present Address: Center for Biomedical Research, Helmholtzstrasse 8, 89081 Ulm, Germany
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Miyake T, Miyake T, Morishita R. Genetic deletion of osteoprotegerin attenuates asthma development through suppression of inflammatory response in mice. Cell Immunol 2022; 378:104559. [DOI: 10.1016/j.cellimm.2022.104559] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/27/2021] [Revised: 05/21/2022] [Accepted: 06/01/2022] [Indexed: 11/03/2022]
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The roles of osteoprotegerin in cancer, far beyond a bone player. Cell Death Dis 2022; 8:252. [PMID: 35523775 PMCID: PMC9076607 DOI: 10.1038/s41420-022-01042-0] [Citation(s) in RCA: 19] [Impact Index Per Article: 9.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/01/2022] [Revised: 04/22/2022] [Accepted: 04/22/2022] [Indexed: 11/08/2022]
Abstract
Osteoprotegerin (OPG), also known as tumor necrosis factor receptor superfamily member 11B (TNFRSF11B), is a member of the tumor necrosis factor (TNF) receptor superfamily. Characterized by its ability to bind to receptor activator of nuclear factor kappa B ligand (RANKL), OPG is critically involved in bone remodeling. Emerging evidence implies that OPG is far beyond a bone-specific modulator, and is involved in multiple physiological and pathological processes, such as immunoregulation, vascular function, and fibrosis. Notably, numerous preclinical and clinical studies have been conducted to assess the participation of OPG in tumorigenesis and cancer development. Mechanistic studies have demonstrated that OPG is involved in multiple hallmarks of cancer, including tumor survival, epithelial to mesenchymal transition (EMT), neo-angiogenesis, invasion, and metastasis. In this review, we systematically summarize the basis and advances of OPG from its molecular structure to translational applications. In addition to its role in bone homeostasis, the physiological and pathological impacts of OPG on human health and its function in cancer progression are reviewed, providing a comprehensive understanding of OPG. We aim to draw more attention to OPG in the field of cancer, and to propose it as a promising diagnostic or prognostic biomarker as well as potential therapeutic target for cancer.
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Lin B, Pan Z. Consensus gene modules related to levels of bone mineral density (BMD) among smokers and nonsmokers. Bioengineered 2021; 12:10134-10146. [PMID: 34743649 PMCID: PMC8810040 DOI: 10.1080/21655979.2021.2000746] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022] Open
Abstract
Osteoporosis, as a common metabolic disorder characterized by the decrease of bone mass, can cause fractures, thereby threatening the life quality of females, especially postmenopausal women. Thus, it is necessary to reveal the genes involved in osteoporosis and explore biomarkers for osteoporosis. In this study, two groups, smokers and nonsmokers with different bone mineral density (BMD) levels, were collected from the Gene Expression Omnibus (GEO) database GSE13850. Consensus modules of the two groups were identified; the variety of gene modules between smokers and nonsmokers with different BMD levels was observed; and a consensus module, including 390 genes significantly correlated with different BMD levels, was identified. Function analysis revealed the significantly enriched osteoporosis-related pathways, such as the PI3K-Akt signaling pathway. Hub genes analysis revealed the critical role of CXCL12 and CHRM2 in modules related to BMD levels. Based on the support vector machine recursive feature elimination (SVM-RFE) analysis, the model containing 10 genes (TNS4, IRF2, BSG, GZMM, ARRB2, COX15, RALY, TP53, RPS6KA3, and SYNPO) with good performance in identifying people with different BMD levels was constructed. Among them, the roles of RALY and SYNPO in the osteogenic differentiation of hBMSCs were verified experimentally. Overall, this study provides a strategy to explore the biomarkers for osteoporosis through analysis of consensus modules.
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Affiliation(s)
- Bingyuan Lin
- Department of Orthopaedics, The Second Affiliated Hospital of Zhejiang University School of Medicine, Hangzhou, Zhejiang, China.,Department of Orthopaedics, Tongde Hospital of Zhejiang Province, Hangzhou, Zhejiang, China
| | - Zhijun Pan
- Department of Orthopaedics, The Second Affiliated Hospital of Zhejiang University School of Medicine, Hangzhou, Zhejiang, China
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Dutka M, Bobiński R, Wojakowski W, Francuz T, Pająk C, Zimmer K. Osteoprotegerin and RANKL-RANK-OPG-TRAIL signalling axis in heart failure and other cardiovascular diseases. Heart Fail Rev 2021; 27:1395-1411. [PMID: 34313900 PMCID: PMC9197867 DOI: 10.1007/s10741-021-10153-2] [Citation(s) in RCA: 19] [Impact Index Per Article: 6.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Accepted: 07/16/2021] [Indexed: 01/29/2023]
Abstract
Osteoprotegerin (OPG) is a glycoprotein involved in the regulation of bone remodelling. OPG regulates osteoclast activity by blocking the interaction between the receptor activator of nuclear factor kappa B (RANK) and its ligand (RANKL). More and more studies confirm the relationship between OPG and cardiovascular diseases. Numerous studies have confirmed that a high plasma concentration of OPG and a low concentration of tumour necrosis factor–related apoptosis inducing ligand (TRAIL) together with a high OPG/TRAIL ratio are predictors of poor prognosis in patients with myocardial infarction. A high plasma OPG concentration and a high ratio of OPG/TRAIL in the acute myocardial infarction are a prognostic indicator of adverse left ventricular remodelling and of the development of heart failure. Ever more data indicates the participation of OPG in the regulation of the function of vascular endothelial cells and the initiation of the atherosclerotic process in the arteries. Additionally, it has been shown that TRAIL has a protective effect on blood vessels and exerts an anti-atherosclerotic effect. The mechanisms of action of both OPG and TRAIL within the cells of the vascular wall are complex and remain largely unclear. However, these mechanisms of action as well as their interaction in the local vascular environment are of great interest to researchers. This article presents the current state of knowledge on the mechanisms of action of OPG and TRAIL in the circulatory system and their role in cardiovascular diseases. Understanding these mechanisms may allow their use as a therapeutic target in cardiovascular diseases in the future.
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Affiliation(s)
- Mieczysław Dutka
- Department of Biochemistry and Molecular Biology, Faculty of Health Sciences, University of Bielsko-Biala, Willowa St. 2, 43-309, Bielsko-Biała, Poland.
| | - Rafał Bobiński
- Department of Biochemistry and Molecular Biology, Faculty of Health Sciences, University of Bielsko-Biala, Willowa St. 2, 43-309, Bielsko-Biała, Poland
| | - Wojciech Wojakowski
- Department of Cardiology and Structural Heart Disease, Medical University of Silesia, Katowice, Poland
| | - Tomasz Francuz
- Department of Biochemistry, Medical University of Silesia, Katowice, Poland
| | - Celina Pająk
- Department of Biochemistry and Molecular Biology, Faculty of Health Sciences, University of Bielsko-Biala, Willowa St. 2, 43-309, Bielsko-Biała, Poland
| | - Karolina Zimmer
- Department of Biochemistry and Molecular Biology, Faculty of Health Sciences, University of Bielsko-Biala, Willowa St. 2, 43-309, Bielsko-Biała, Poland
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10
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The pathophysiology of immunoporosis: innovative therapeutic targets. Inflamm Res 2021; 70:859-875. [PMID: 34272579 DOI: 10.1007/s00011-021-01484-9] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/22/2020] [Revised: 04/14/2021] [Accepted: 06/08/2021] [Indexed: 12/24/2022] Open
Abstract
BACKGROUND The physiological balance between bone resorption and bone formation is now known to be mediated by a cascade of events parallel to the classic osteoblast-osteoclast interaction. Thus, osteoimmunology now encompasses the role played by other cell types, such as cytokines, lymphocytes and chemokines, in immunological responses and how they help modulate bone metabolism. All these factors have an impact on the RANK/RANKL/OPG pathway, which is the major pathway for the maturation and resorption activity of osteoclast precursor cells, responsible for osteoporosis development. Recently, immunoporosis has emerged as a new research area in osteoimmunology dedicated to the immune system's role in osteoporosis. METHODS The first part of this review presents theoretical concepts on the factors involved in the skeletal system and osteoimmunology. Secondly, existing treatments and novel therapeutic approaches to treat osteoporosis are summarized. These were selected from to the most recent studies published on PubMed containing the term osteoporosis. All data relate to the results of in vitro and in vivo studies on the osteoimmunological system of humans, mice and rats. FINDINGS Treatments for osteoporosis can be classified into two categories. They either target osteoclastogenesis inhibition (denosumab, bisphosphonates), or they aim to restore the number and function of osteoblasts (romozumab, abaloparatide). Even novel therapies, such as resolvins, gene therapy, and mesenchymal stem cell transplantation, fall within this classification system. CONCLUSION This review presents alternative pathways in the pathophysiology of osteoporosis, along with some recent therapeutic breakthroughs to restore bone homeostasis.
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Deligiorgi MV, Panayiotidis MI, Siasos G, Trafalis DT. Osteoporosis Entwined with Cardiovascular Disease: The Implication of Osteoprotegerin and the Example of Statins. Curr Med Chem 2021; 28:1443-1467. [PMID: 31971101 DOI: 10.2174/0929867327666200123151132] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/08/2019] [Revised: 12/19/2019] [Accepted: 12/24/2019] [Indexed: 11/22/2022]
Abstract
Beyond being epiphenomenon of shared epidemiological factors, the integration of Osteoporosis (OP) with Cardiovascular Disease (CVD) - termed "calcification paradox" - reflects a continuum of aberrant cardiometabolic status. The present review provides background knowledge on "calcification paradox", focusing on the endocrine aspect of vasculature orchestrated by the osteoblastic molecular fingerprint of vascular cells, acquired via imbalance among established modulators of mineralization. Osteoprotegerin (OPG), the well-established osteoprotective cytokine, has recently been shown to exert a vessel-modifying role. Prompted by this notion, the present review interrogates OPG as the potential missing link between OP and CVD. However, so far, the confirmation of this hypothesis is hindered by the equivocal role of OPG in CVD, being both proatherosclerotic and antiatherosclerotic. Further research is needed to illuminate whether OPG could be a biomarker of the "calcification paradox". Moreover, the present review brings into prominence the dual role of statins - cardioprotective and osteoprotective - as a potential illustration of the integration of CVD with OP. Considering that the statins-induced modulation of OPG is central to the statins-driven osteoprotective signalling, statins could be suggested as an illustration of the role of OPG in the bone/vessels crosstalk, if further studies consolidate the contribution of OPG to the cardioprotective role of statins. Another outstanding issue that merits further evaluation is the inconsistency of the osteoprotective role of statins. Further understanding of the varying bone-modifying role of statins, likely attributed to the unique profile of different classes of statins defined by distinct physicochemical characteristics, may yield tangible benefits for treating simultaneously OP and CVD.
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Affiliation(s)
- Maria V Deligiorgi
- Department of Pharmacology - Clinical Pharmacology Unit, Faculty of Medicine, National and Kapodistrian University of Athens, Building 16, 1st Floor, 75 Mikras Asias, 11527 Goudi, Athens, Greece
| | - Mihalis I Panayiotidis
- Department of Applied Sciences, Group of Translational Biosciences, Faculty of Health & Life Sciences, Northumbria University, Ellison Building A516, Newcastle Upon Tyne, NE1 8ST, United Kingdom
| | - Gerasimos Siasos
- Department of Cardiology, Faculty of Medicine, 1st Hippokration Hospital, National and Kapodistrian University of Athens, 114 Vas Sofias, 11527 Athens, Greece
| | - Dimitrios T Trafalis
- Department of Pharmacology - Clinical Pharmacology Unit, Faculty of Medicine, National and Kapodistrian University of Athens, Building 16, 1st Floor, 75 Mikras Asias, 11527 Goudi, Athens, Greece
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12
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Ohnishi T, Ogawa Y, Suda K, Komatsu M, Harmon SM, Asukai M, Takahata M, Iwasaki N, Minami A. Molecular Targeted Therapy for the Bone Loss Secondary to Pyogenic Spondylodiscitis Using Medications for Osteoporosis: A Literature Review. Int J Mol Sci 2021; 22:ijms22094453. [PMID: 33923233 PMCID: PMC8123121 DOI: 10.3390/ijms22094453] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/31/2021] [Revised: 04/22/2021] [Accepted: 04/22/2021] [Indexed: 12/11/2022] Open
Abstract
Pyogenic spondylodiscitis can cause severe osteolytic and destructive lesions in the spine. Elderly or immunocompromised individuals are particularly susceptible to infectious diseases; specifically, infections in the spine can impair the ability of the spine to support the trunk, causing patients to be bedridden, which can also severely affect the physical condition of patients. Although treatments for osteoporosis have been well studied, treatments for bone loss secondary to infection remain to be elucidated because they have pathological manifestations that are similar to but distinct from those of osteoporosis. Recently, we encountered a patient with severely osteolytic pyogenic spondylodiscitis who was treated with romosozumab and exhibited enhanced bone formation. Romosozumab stimulated canonical Wnt/β-catenin signaling, causing robust bone formation and the inhibition of bone resorption, which exceeded the bone loss secondary to infection. Bone loss due to infections involves the suppression of osteoblastogenesis by osteoblast apoptosis, which is induced by the nuclear factor-κB and mitogen-activated protein kinase pathways, and osteoclastogenesis with the receptor activator of the nuclear factor-κB ligand-receptor combination and subsequent activation of the nuclear factor of activated T cells cytoplasmic 1 and c-Fos. In this study, we review and discuss the molecular mechanisms of bone loss secondary to infection and analyze the efficacy of the medications for osteoporosis, focusing on romosozumab, teriparatide, denosumab, and bisphosphonates, in treating this pathological condition.
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Affiliation(s)
- Takashi Ohnishi
- Department of Orthopaedic Surgery, Hokkaido Spinal Cord Injury Center, Bibai 072-0015, Japan; (Y.O.); (K.S.); (M.K.); (S.M.H.); (M.A.); (A.M.)
- Department of Orthopaedic Surgery, Faculty of Medicine and Graduate School of Medicine, Hokkaido University, Sapporo 060-8638, Japan; (M.T.); (N.I.)
- Correspondence: ; Tel.: +11-81-126-63-2151
| | - Yuki Ogawa
- Department of Orthopaedic Surgery, Hokkaido Spinal Cord Injury Center, Bibai 072-0015, Japan; (Y.O.); (K.S.); (M.K.); (S.M.H.); (M.A.); (A.M.)
| | - Kota Suda
- Department of Orthopaedic Surgery, Hokkaido Spinal Cord Injury Center, Bibai 072-0015, Japan; (Y.O.); (K.S.); (M.K.); (S.M.H.); (M.A.); (A.M.)
| | - Miki Komatsu
- Department of Orthopaedic Surgery, Hokkaido Spinal Cord Injury Center, Bibai 072-0015, Japan; (Y.O.); (K.S.); (M.K.); (S.M.H.); (M.A.); (A.M.)
| | - Satoko Matsumoto Harmon
- Department of Orthopaedic Surgery, Hokkaido Spinal Cord Injury Center, Bibai 072-0015, Japan; (Y.O.); (K.S.); (M.K.); (S.M.H.); (M.A.); (A.M.)
| | - Mitsuru Asukai
- Department of Orthopaedic Surgery, Hokkaido Spinal Cord Injury Center, Bibai 072-0015, Japan; (Y.O.); (K.S.); (M.K.); (S.M.H.); (M.A.); (A.M.)
| | - Masahiko Takahata
- Department of Orthopaedic Surgery, Faculty of Medicine and Graduate School of Medicine, Hokkaido University, Sapporo 060-8638, Japan; (M.T.); (N.I.)
| | - Norimasa Iwasaki
- Department of Orthopaedic Surgery, Faculty of Medicine and Graduate School of Medicine, Hokkaido University, Sapporo 060-8638, Japan; (M.T.); (N.I.)
| | - Akio Minami
- Department of Orthopaedic Surgery, Hokkaido Spinal Cord Injury Center, Bibai 072-0015, Japan; (Y.O.); (K.S.); (M.K.); (S.M.H.); (M.A.); (A.M.)
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13
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Kolomansky A, Kaye I, Ben-Califa N, Gorodov A, Awida Z, Sadovnic O, Ibrahim M, Liron T, Hiram-Bab S, Oster HS, Sarid N, Perry C, Gabet Y, Mittelman M, Neumann D. Anti-CD20-Mediated B Cell Depletion Is Associated With Bone Preservation in Lymphoma Patients and Bone Mass Increase in Mice. Front Immunol 2020; 11:561294. [PMID: 33193330 PMCID: PMC7604358 DOI: 10.3389/fimmu.2020.561294] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/12/2020] [Accepted: 08/21/2020] [Indexed: 12/14/2022] Open
Abstract
Immunotherapy with anti-CD20-specific antibodies (rituximab), has become the standard of care for B cell lymphoproliferative disorders and many autoimmune diseases. In rheumatological patients the effect of rituximab on bone mass yielded conflicting results, while in lymphoma patients it has not yet been described. Here, we used cross-sectional X-ray imaging (CT/PET-CT) to serially assess bone density in patients with follicular lymphoma receiving rituximab maintenance therapy. Remarkably, this treatment prevented the decline in bone mass observed in the control group of patients who did not receive active maintenance therapy. In accordance with these data, anti-CD20-mediated B cell depletion in normal C57BL/6J female mice led to a significant increase in bone mass, as reflected by a 7.7% increase in bone mineral density (whole femur), and a ~5% increase in cortical as well as trabecular tissue mineral density. Administration of anti-CD20 antibodies resulted in a significant decrease in osteoclastogenic signals, including RANKL, which correlated with a reduction in osteoclastogenic potential of bone marrow cells derived from B-cell-depleted animals. Taken together, our data suggest that in addition to its anti-tumor activity, anti-CD20 treatment has a favorable effect on bone mass. Our murine studies indicate that B cell depletion has a direct effect on bone remodeling.
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Affiliation(s)
- Albert Kolomansky
- Department of Cell and Developmental Biology, Tel Aviv University, Tel Aviv, Israel.,Department of Medicine A, Tel Aviv Sourasky Medical Center, Tel Aviv, Israel.,Sackler Faculty of Medicine, Tel Aviv University, Tel Aviv, Israel
| | - Irit Kaye
- Department of Medicine A, Tel Aviv Sourasky Medical Center, Tel Aviv, Israel.,Sackler Faculty of Medicine, Tel Aviv University, Tel Aviv, Israel
| | - Nathalie Ben-Califa
- Department of Cell and Developmental Biology, Tel Aviv University, Tel Aviv, Israel.,Sackler Faculty of Medicine, Tel Aviv University, Tel Aviv, Israel
| | - Anton Gorodov
- Department of Cell and Developmental Biology, Tel Aviv University, Tel Aviv, Israel.,Sackler Faculty of Medicine, Tel Aviv University, Tel Aviv, Israel.,Open University of Israel, Ra'anana, Israel
| | - Zamzam Awida
- Department of Cell and Developmental Biology, Tel Aviv University, Tel Aviv, Israel.,Sackler Faculty of Medicine, Tel Aviv University, Tel Aviv, Israel
| | - Ofer Sadovnic
- Sackler Faculty of Medicine, Tel Aviv University, Tel Aviv, Israel.,Department of Radiology, Tel Aviv Sourasky Medical Center, Tel Aviv, Israel
| | - Maria Ibrahim
- Department of Cell and Developmental Biology, Tel Aviv University, Tel Aviv, Israel.,Sackler Faculty of Medicine, Tel Aviv University, Tel Aviv, Israel
| | - Tamar Liron
- Sackler Faculty of Medicine, Tel Aviv University, Tel Aviv, Israel.,Department of Anatomy and Anthropology, Tel Aviv University, Tel Aviv, Israel
| | - Sahar Hiram-Bab
- Sackler Faculty of Medicine, Tel Aviv University, Tel Aviv, Israel.,Department of Anatomy and Anthropology, Tel Aviv University, Tel Aviv, Israel
| | - Howard S Oster
- Department of Medicine A, Tel Aviv Sourasky Medical Center, Tel Aviv, Israel.,Sackler Faculty of Medicine, Tel Aviv University, Tel Aviv, Israel
| | - Nadav Sarid
- Sackler Faculty of Medicine, Tel Aviv University, Tel Aviv, Israel.,Tel Aviv Sourasky Medical Center, Institute of Hematology, Tel Aviv, Israel
| | - Chava Perry
- Sackler Faculty of Medicine, Tel Aviv University, Tel Aviv, Israel.,Tel Aviv Sourasky Medical Center, Institute of Hematology, Tel Aviv, Israel
| | - Yankel Gabet
- Sackler Faculty of Medicine, Tel Aviv University, Tel Aviv, Israel.,Department of Anatomy and Anthropology, Tel Aviv University, Tel Aviv, Israel
| | - Moshe Mittelman
- Department of Medicine A, Tel Aviv Sourasky Medical Center, Tel Aviv, Israel.,Sackler Faculty of Medicine, Tel Aviv University, Tel Aviv, Israel
| | - Drorit Neumann
- Department of Cell and Developmental Biology, Tel Aviv University, Tel Aviv, Israel.,Sackler Faculty of Medicine, Tel Aviv University, Tel Aviv, Israel
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14
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Schweitzer KS, Jinawath N, Yonescu R, Ni K, Rush N, Charoensawan V, Bronova I, Berdyshev E, Leach SM, Gillenwater LA, Bowler RP, Pearse DB, Griffin CA, Petrache I. IGSF3 mutation identified in patient with severe COPD alters cell function and motility. JCI Insight 2020; 5:138101. [PMID: 32573489 DOI: 10.1172/jci.insight.138101] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/13/2020] [Accepted: 06/10/2020] [Indexed: 11/17/2022] Open
Abstract
Cigarette smoking (CS) and genetic susceptibility determine the risk for development, progression, and severity of chronic obstructive pulmonary diseases (COPD). We posited that an incidental balanced reciprocal chromosomal translocation was linked to a patient's risk of severe COPD. We determined that 46,XX,t(1;4)(p13.1;q34.3) caused a breakpoint in the immunoglobulin superfamily member 3 (IGSF3) gene, with markedly decreased expression. Examination of COPDGene cohort identified 14 IGSF3 SNPs, of which rs1414272 and rs12066192 were directly and rs6703791 inversely associated with COPD severity, including COPD exacerbations. We confirmed that IGSF3 is a tetraspanin-interacting protein that colocalized with CD9 and integrin B1 in tetraspanin-enriched domains. IGSF3-deficient patient-derived lymphoblastoids exhibited multiple alterations in gene expression, especially in the unfolded protein response and ceramide pathways. IGSF3-deficient lymphoblastoids had high ceramide and sphingosine-1 phosphate but low glycosphingolipids and ganglioside levels, and they were less apoptotic and more adherent, with marked changes in multiple TNFRSF molecules. Similarly, IGSF3 knockdown increased ceramide in lung structural cells, rendering them more adherent, with impaired wound repair and weakened barrier function. These findings suggest that, by maintaining sphingolipid and membrane receptor homeostasis, IGSF3 is required for cell mobility-mediated lung injury repair. IGSF3 deficiency may increase susceptibility to CS-induced lung injury in COPD.
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Affiliation(s)
- Kelly S Schweitzer
- Department of Medicine, National Jewish Health, Denver, Colorado, USA.,Department of Medicine, Indiana University, Indianapolis, Indiana, USA
| | - Natini Jinawath
- Program in Translational Medicine, Faculty of Medicine Ramathibodi Hospital, and.,Integrative Computational Bioscience Center, Mahidol University, Nakhon Pathom, Thailand
| | - Raluca Yonescu
- Department of Pathology, Division of Molecular Pathology, Johns Hopkins Medical Institutions, Baltimore, Maryland, USA
| | - Kevin Ni
- Department of Medicine, National Jewish Health, Denver, Colorado, USA.,Department of Medicine, Indiana University, Indianapolis, Indiana, USA
| | - Natalia Rush
- Department of Medicine, Indiana University, Indianapolis, Indiana, USA
| | - Varodom Charoensawan
- Integrative Computational Bioscience Center, Mahidol University, Nakhon Pathom, Thailand.,Department of Biochemistry, Faculty of Science, Mahidol University, Bangkok, Thailand
| | - Irina Bronova
- Department of Medicine, National Jewish Health, Denver, Colorado, USA
| | - Evgeny Berdyshev
- Department of Medicine, National Jewish Health, Denver, Colorado, USA
| | - Sonia M Leach
- Department of Medicine, National Jewish Health, Denver, Colorado, USA
| | | | - Russel P Bowler
- Department of Medicine, National Jewish Health, Denver, Colorado, USA
| | - David B Pearse
- Department of Medicine, Johns Hopkins Medical Institutions, Baltimore, Maryland, USA
| | - Constance A Griffin
- Program in Translational Medicine, Faculty of Medicine Ramathibodi Hospital, and
| | - Irina Petrache
- Department of Medicine, National Jewish Health, Denver, Colorado, USA.,Department of Medicine, Indiana University, Indianapolis, Indiana, USA.,Department of Medicine, Johns Hopkins Medical Institutions, Baltimore, Maryland, USA
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15
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Berger SM, Griffin JS, Dent SC. Phenotypes and pathways: Working toward an integrated skeletal biology in biological anthropology. Am J Hum Biol 2020; 33:e23450. [PMID: 32511865 DOI: 10.1002/ajhb.23450] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/16/2020] [Revised: 04/01/2020] [Accepted: 05/17/2020] [Indexed: 01/02/2023] Open
Affiliation(s)
- Steph M Berger
- Department of Anthropology, University of North Carolina, Chapel Hill, North Carolina, USA
| | - Jacob S Griffin
- Department of Anthropology, University of North Carolina, Chapel Hill, North Carolina, USA
| | - Sophia C Dent
- Department of Anthropology, University of North Carolina, Chapel Hill, North Carolina, USA
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16
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Peters H, Macke C, Mommsen P, Zeckey C, Clausen JD, Krettek C, Neunaber C, Winkelmann M. Predictive Value of Osteoprotegerin and Neutrophil Gelatinase-associated Lipocalin on Multiple Organ Failure in Multiple Trauma. In Vivo 2020; 33:1573-1580. [PMID: 31471407 DOI: 10.21873/invivo.11639] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/05/2019] [Revised: 07/01/2019] [Accepted: 07/02/2019] [Indexed: 02/08/2023]
Abstract
BACKGROUND/AIM Multiple organ dysfunction syndrome (MODS) is the leading cause of late posttraumatic mortality. This study analyzed the prognostic values of osteoprotegerin (OPG) and neutrophil gelatinase-associated lipocalin (NGAL/lipocalin 2) compared to interleukin-6 (IL-6) in multiply injured patients. PATIENTS AND METHODS A retrospective observational cohort study on multiply injured patients with an injury severity score (ISS) of ≥16 was performed. OPG, NGAL and IL-6 blood concentrations were measured. Statistical analysis comprised receiver-operating-characteristic (ROC) analysis with the corresponding area under the curve (AUC). RESULTS Thirty-nine patients with a mean ISS of 34±11 were included. Fourteen patients (36%) developed MODS and 8 patients (21%) died. Plasma levels of NGAL, OPG, and IL-6 were significantly elevated in the MODS+ group. Each biomarker positively correlated with MODS score and diagnosis of MODS. CONCLUSION NGAL and OPG might be indicative of MODS and could have the potential to be biomarkers in the early detection of patients at risk of posttraumatic MODS.
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Affiliation(s)
- Henning Peters
- Trauma Department, Hannover Medical School, Hannover, Germany
| | - Christian Macke
- Trauma Department, Hannover Medical School, Hannover, Germany
| | - Philipp Mommsen
- Trauma Department, Hannover Medical School, Hannover, Germany
| | - Christian Zeckey
- Trauma Department, Hannover Medical School, Hannover, Germany.,Department of General, Trauma and Reconstructive Surgery, Ludwig-Maximilians-Universität München, Munich, Germany
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17
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Krasnov A, Sommerset I, Søfteland T, Afanasyev S, Boysen P, Lund H. Consequences of Haemorrhagic Smolt Syndrome (HSS) for the Immune Status of Atlantic salmon ( Salmo salar L.) (Case Study). BIOLOGY 2019; 9:biology9010001. [PMID: 31861586 PMCID: PMC7168143 DOI: 10.3390/biology9010001] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 11/26/2019] [Revised: 12/16/2019] [Accepted: 12/17/2019] [Indexed: 01/23/2023]
Abstract
Haemorrhagic smolt syndrome (HSS) is a disorder of unknown aetiology causing losses in the fresh water phase of Atlantic salmon farming. Normally, the mortality is limited and symptoms disappear upon seawater exposure. In this case study, classical HSS pathology with internal organ haemorrhages and nephrocalcinosis was diagnosed, and the losses were substantial. Microarray analyses of head kidney revealed association between HSS and enhanced expression of stress genes and proteins reducing bioavailability of iron, heme, and retinol. In parallel, suppression of multiple metabolic pathways was observed. Up-regulation of genes encoding acute phase proteins, complement, and lectins indicated mild inflammation but without characteristic features of viral or bacterial infections. Microarray analyses highlighted several members of tumor necrosis factor receptor superfamily that may control development of B-cell immunity. Examination of IgM at the mRNA and protein levels showed the impact of HSS on vaccine responses. In fish without HSS symptoms (non-HSS), titres of vaccine specific antibodies to A-layer of Aeromonas salmonicida subsp. salmonicida and Moritella viscosa and antibodies binding to DNP-keyhole limpet hemocyanin (DNP-KLH), which are presumably polyreactive, were respectively four- and 14-fold higher than in HSS-diseased fish. Parallel sequencing of variable regions of immunoglobulin Mrevealed a larger size of most abundant clonotypes shared by multiple individuals in the non-HSS group. The results of the current case study indicated that, in addition to direct damage, HSS suppresses humoral immune responses including the production of specific and polyreactive antibodies.
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Affiliation(s)
- Aleksei Krasnov
- Nofima AS, Norwegian Institute of Food, Fisheries & Aquaculture Research, P.O. Box 5010, 1432 Ås, Norway;
| | - Ingunn Sommerset
- Norwegian National Veterinary Institute, Thormøhlensgate 53 C, N-5006 Bergen, Norway;
| | - Tina Søfteland
- MSD Animal Health, Thormøhlensgate 55, N-5008 Bergen, Norway;
| | - Sergey Afanasyev
- Sechenov Institute of Evolutionary Physiology and Biochemistry, M. Toreza Av. 44, Saint Petersburg 194223, Russia;
| | - Preben Boysen
- Norwegian University of Life Sciences, Faculty of Veterinary Medicine, P.O. Box 369 Sentrum, 0102 Oslo, Norway;
| | - Hege Lund
- Norwegian University of Life Sciences, Faculty of Veterinary Medicine, P.O. Box 369 Sentrum, 0102 Oslo, Norway;
- Correspondence:
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18
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Kumar G, Roger PM. From Crosstalk between Immune and Bone Cells to Bone Erosion in Infection. Int J Mol Sci 2019; 20:E5154. [PMID: 31627424 PMCID: PMC6834200 DOI: 10.3390/ijms20205154] [Citation(s) in RCA: 32] [Impact Index Per Article: 6.4] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/20/2019] [Revised: 10/05/2019] [Accepted: 10/15/2019] [Indexed: 12/31/2022] Open
Abstract
Bone infection and inflammation leads to the infiltration of immune cells at the site of infection, where they modulate the differentiation and function of osteoclasts and osteoblasts by the secretion of various cytokines and signal mediators. In recent years, there has been a tremendous effort to understand the cells involved in these interactions and the complex pathways of signal transduction and their ultimate effect on bone metabolism. These crosstalk mechanisms between the bone and immune system finally emerged, forming a new field of research called osteoimmunology. Diseases falling into the category of osteoimmunology, such as osteoporosis, periodontitis, and bone infections are considered to have a significant implication in mortality and morbidity of patients, along with affecting their quality of life. There is a much-needed research focus in this new field, as the reported data on the immunomodulation of immune cells and their signaling pathways seems to have promising therapeutic benefits for patients.
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Affiliation(s)
- Gaurav Kumar
- Unité 576, Institut National de la Santé et de la Recherche Médicale, 06200 Nice, France.
- Arthritis and Clinical Immunology, Oklahoma Medical Research Foundation, Oklahoma City, OK 73104, USA.
| | - Pierre-Marie Roger
- Unité 576, Institut National de la Santé et de la Recherche Médicale, 06200 Nice, France.
- Service d'Infectiologie, Hôpital Archet 1, Centre Hospitalier Universitaire de Nice, Université de Nice Sophia-Antipolis, 06200 Nice, France.
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19
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Khass M, Rashid H, Burrows PD, Bridges SL, Javed A, Schroeder HW. Disruption of the preB Cell Receptor Complex Leads to Decreased Bone Mass. Front Immunol 2019; 10:2063. [PMID: 31552025 PMCID: PMC6736987 DOI: 10.3389/fimmu.2019.02063] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/14/2019] [Accepted: 08/15/2019] [Indexed: 11/24/2022] Open
Abstract
In the bone marrow, preB cells are found adjacent to the bone endosteum where bone synthesizing osteoblast and bone resorbing osteoclasts reside. Although there is evidence of interactions between preB and bone cells, the factors that contribute to such interactions are poorly understood. A critical checkpoint for preB cell development assesses the integrity of the nascent immunoglobulin μ heavy chain (HC) by testing whether it can participate in the formation of a preB cell receptor (preBCR), composed of the μ HC and surrogate light chain (LC). In this work, we tested whether loss of preBCR components can affect bone synthesis. A panel of gene targeted mice with sequential blocks in preBCR formation or function [surrogate light chain component lambda 5 deleted (λ5−/−), transmembrane domain of μHC deleted (IgM-mem−/−), and CD19 preBCR co-receptor deleted (CD19−/−)] were evaluated for effects on postnatal bone synthesis. Postnatal bone mass was analyzed in 6 month old mice using μ-CT, histomorphometry and double calcein labeling. Both cortical and trabecular bone mass were significantly decreased in the femurs of the λ5 and IgM-mem deficient mice. Histomorphometric analysis showed a decrease in the numbers of osteoblasts and osteoclasts in all three mutant strains. Double calcein labeling revealed a significant decrease in dynamic synthesis and mineralization of bone in λ5−/− mice. Our data strongly suggest that interference with preBCR formation or function affects bone homeostasis independent of the presence or absence of mature B cells, and that components of the preBCR play important, and potentially distinct, roles in regulating adult bone mass.
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Affiliation(s)
- Mohamed Khass
- Department of Medicine, University of Alabama at Birmingham, Birmingham, AL, United States.,Genetic Engineering and Biotechnology Division, National Research Center, Cairo, Egypt
| | - Harunur Rashid
- Department of Oral and Maxillofacial Surgery, University of Alabama at Birmingham, Birmingham, AL, United States
| | - Peter D Burrows
- Department of Microbiology, University of Alabama at Birmingham, Birmingham, AL, United States
| | - S Louis Bridges
- Department of Medicine, University of Alabama at Birmingham, Birmingham, AL, United States
| | - Amjad Javed
- Department of Oral and Maxillofacial Surgery, University of Alabama at Birmingham, Birmingham, AL, United States
| | - Harry W Schroeder
- Department of Medicine, University of Alabama at Birmingham, Birmingham, AL, United States.,Department of Microbiology, University of Alabama at Birmingham, Birmingham, AL, United States
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20
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Quantitative Trait Locus and Integrative Genomics Revealed Candidate Modifier Genes for Ectopic Mineralization in Mouse Models of Pseudoxanthoma Elasticum. J Invest Dermatol 2019; 139:2447-2457.e7. [PMID: 31207231 DOI: 10.1016/j.jid.2019.04.023] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/08/2019] [Revised: 03/28/2019] [Accepted: 04/26/2019] [Indexed: 02/06/2023]
Abstract
Pseudoxanthoma elasticum, a prototype of heritable multisystem ectopic mineralization disorders, is caused by mutations in the ABCC6 gene encoding a putative efflux transporter, ABCC6. The phenotypic spectrum of pseudoxanthoma elasticum varies, and the correlation between genotype and phenotype has not been established. To identify genetic modifiers, we performed quantitative trait locus analysis in inbred mouse strains that carry the same hypomorphic allele in Abcc6 yet with highly variable ectopic mineralization phenotypes of pseudoxanthoma elasticum. Abcc6 was confirmed as a major determinant for ectopic mineralization in multiple tissues. Integrative analysis using functional genomics tools that included GeneWeaver, String, and Mouse Genome Informatics identified a total of nine additional candidate modifier genes that could influence the organ-specific ectopic mineralization phenotypes. Integration of the candidate genes into the existing ectopic mineralization gene network expands the current knowledge on the complexity of the network that, as a whole, governs ectopic mineralization in soft connective tissues.
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21
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Ren X, Zhou Q, Foulad D, Tiffany AS, Dewey MJ, Bischoff D, Miller TA, Reid RR, He TC, Yamaguchi DT, Harley BAC, Lee JC. Osteoprotegerin reduces osteoclast resorption activity without affecting osteogenesis on nanoparticulate mineralized collagen scaffolds. SCIENCE ADVANCES 2019; 5:eaaw4991. [PMID: 31206025 PMCID: PMC6561746 DOI: 10.1126/sciadv.aaw4991] [Citation(s) in RCA: 34] [Impact Index Per Article: 6.8] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/27/2018] [Accepted: 05/03/2019] [Indexed: 05/02/2023]
Abstract
The instructive capabilities of extracellular matrix-inspired materials for osteoprogenitor differentiation have sparked interest in understanding modulation of other cell types within the bone regenerative microenvironment. We previously demonstrated that nanoparticulate mineralized collagen glycosaminoglycan (MC-GAG) scaffolds efficiently induced osteoprogenitor differentiation and bone healing. In this work, we combined adenovirus-mediated delivery of osteoprotegerin (AdOPG), an endogenous anti-osteoclastogenic decoy receptor, in primary human mesenchymal stem cells (hMSCs) with MC-GAG to understand the role of osteoclast inactivation in augmentation of bone regeneration. Simultaneous differentiation of osteoprogenitors on MC-GAG and osteoclast progenitors resulted in bidirectional positive regulation. AdOPG expression did not affect osteogenic differentiation alone. In the presence of both cell types, AdOPG-transduced hMSCs on MC-GAG diminished osteoclast-mediated resorption in direct contact; however, osteoclast-mediated augmentation of osteogenic differentiation was unaffected. Thus, the combination of OPG with MC-GAG may represent a method for uncoupling osteogenic and osteoclastogenic differentiation to augment bone regeneration.
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Affiliation(s)
- Xiaoyan Ren
- Division of Plastic and Reconstructive Surgery, UCLA David Geffen School of Medicine, Los Angeles, CA 90095, USA
- Research Service, Greater Los Angeles VA Healthcare System, Los Angeles, CA 90073, USA
- UCLA Molecular Biology Institute, Los Angeles, CA 90095, USA
| | - Qi Zhou
- Division of Plastic and Reconstructive Surgery, UCLA David Geffen School of Medicine, Los Angeles, CA 90095, USA
- Research Service, Greater Los Angeles VA Healthcare System, Los Angeles, CA 90073, USA
- UCLA Molecular Biology Institute, Los Angeles, CA 90095, USA
| | - David Foulad
- Division of Plastic and Reconstructive Surgery, UCLA David Geffen School of Medicine, Los Angeles, CA 90095, USA
- Research Service, Greater Los Angeles VA Healthcare System, Los Angeles, CA 90073, USA
- UCLA Molecular Biology Institute, Los Angeles, CA 90095, USA
| | - Aleczandria S. Tiffany
- Department of Chemical and Biomolecular Engineering, University of Illinois at Urbana-Champaign, Urbana, IL 61801, USA
| | - Marley J. Dewey
- Department of Materials Science and Engineering, Institute for Genomic Biology, University of Illinois at Urbana-Champaign, Urbana, IL 61801, USA
| | - David Bischoff
- Research Service, Greater Los Angeles VA Healthcare System, Los Angeles, CA 90073, USA
| | - Timothy A. Miller
- Division of Plastic and Reconstructive Surgery, UCLA David Geffen School of Medicine, Los Angeles, CA 90095, USA
- Research Service, Greater Los Angeles VA Healthcare System, Los Angeles, CA 90073, USA
| | - Russell R. Reid
- Section of Plastic and Reconstructive Surgery, University of Chicago, Chicago, IL 60637, USA
| | - Tong-Chuan He
- Department of Orthopaedic Surgery, University of Chicago, Chicago, IL 60637, USA
| | - Dean T. Yamaguchi
- Research Service, Greater Los Angeles VA Healthcare System, Los Angeles, CA 90073, USA
| | - Brendan A. C. Harley
- Department of Chemical and Biomolecular Engineering, University of Illinois at Urbana-Champaign, Urbana, IL 61801, USA
- Carl R. Woese Institute for Genomic Biology, University of Illinois at Urbana-Champaign, Urbana, IL 61801, USA
| | - Justine C. Lee
- Division of Plastic and Reconstructive Surgery, UCLA David Geffen School of Medicine, Los Angeles, CA 90095, USA
- Research Service, Greater Los Angeles VA Healthcare System, Los Angeles, CA 90073, USA
- UCLA Molecular Biology Institute, Los Angeles, CA 90095, USA
- Corresponding author.
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22
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Ren X, Zhou Q, Foulad D, Dewey MJ, Bischoff D, Miller TA, Yamaguchi DT, Harley BAC, Lee JC. Nanoparticulate mineralized collagen glycosaminoglycan materials directly and indirectly inhibit osteoclastogenesis and osteoclast activation. J Tissue Eng Regen Med 2019; 13:823-834. [PMID: 30803152 DOI: 10.1002/term.2834] [Citation(s) in RCA: 23] [Impact Index Per Article: 4.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/01/2018] [Revised: 11/20/2018] [Accepted: 02/13/2019] [Indexed: 12/16/2022]
Abstract
The ability of the extracellular matrix (ECM) to direct cell fate has generated the potential for developing a materials-only strategy for tissue regeneration. Previously, we described a nanoparticulate mineralized collagen glycosaminoglycan (MC-GAG) material that efficiently induced osteogenic differentiation of human mesenchymal stem cells (hMSCs) and calvarial bone healing without exogenous growth factors or progenitor cell expansion. In this work, we evaluated the interactions between MC-GAG and primary human osteoclasts (hOCs). In the absence of hMSCs, mineralized Col-GAG materials directly inhibited hOC viability, proliferation, and resorption in contrast to nonmineralized Col-GAG, which demonstrated a modest inhibition of resorptive activity only. Cocultures containing differentiating hMSCs with hOCs demonstrated increased hOC-mediated resorption only on Col-GAG while MC-GAG cocultures continued to inhibit resorption. Unlike Col-GAG, hMSCs on MC-GAG expressed increased amounts of osteoprotegerin (OPG) protein, the major endogenous osteoclast inhibitor. Interestingly, OPG expression was found to be antagonized by small mothers against decapentaplegic1/5 (Smad1/5) phosphorylation, an obligate pathway for osteogenic differentiation of hMSCs on MC-GAG, and potentiated by extracellular signal-regulated kinase (ERK1/2) phosphorylation. Collectively, these results suggested that the MC-GAG material both directly inhibited the osteoclast viability, proliferation, and resorptive activity as well as induced hMSCs to secrete osteoprotegerin, an antiosteoclastogenic factor, via a signalling pathway distinct from osteogenic differentiation.
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Affiliation(s)
- Xiaoyan Ren
- Division of Plastic and Reconstructive Surgery, UCLA David Geffen School of Medicine, Los Angeles, California.,Research Service, Greater Los Angeles VA Healthcare System, Los Angeles, California.,UCLA Molecular Biology Institute, Los Angeles, California
| | - Qi Zhou
- Division of Plastic and Reconstructive Surgery, UCLA David Geffen School of Medicine, Los Angeles, California.,Research Service, Greater Los Angeles VA Healthcare System, Los Angeles, California.,UCLA Molecular Biology Institute, Los Angeles, California
| | - David Foulad
- Division of Plastic and Reconstructive Surgery, UCLA David Geffen School of Medicine, Los Angeles, California.,Research Service, Greater Los Angeles VA Healthcare System, Los Angeles, California.,UCLA Molecular Biology Institute, Los Angeles, California
| | - Marley J Dewey
- Department of Materials Science and Engineering, Institute for Genomic Biology, University of Illinois at Urbana-Champaign, Urbana, Illinois
| | - David Bischoff
- Research Service, Greater Los Angeles VA Healthcare System, Los Angeles, California
| | - Timothy A Miller
- Division of Plastic and Reconstructive Surgery, UCLA David Geffen School of Medicine, Los Angeles, California.,Research Service, Greater Los Angeles VA Healthcare System, Los Angeles, California
| | - Dean T Yamaguchi
- Research Service, Greater Los Angeles VA Healthcare System, Los Angeles, California
| | - Brendan A C Harley
- Department of Chemical and Biomolecular Engineering, Institute for Genomic Biology, University of Illinois at Urbana-Champaign, Urbana, Illinois
| | - Justine C Lee
- Division of Plastic and Reconstructive Surgery, UCLA David Geffen School of Medicine, Los Angeles, California.,Research Service, Greater Los Angeles VA Healthcare System, Los Angeles, California.,UCLA Molecular Biology Institute, Los Angeles, California
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23
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Green AC, Rudolph-Stringer V, Chantry AD, Wu JY, Purton LE. Mesenchymal lineage cells and their importance in B lymphocyte niches. Bone 2019; 119:42-56. [PMID: 29183783 DOI: 10.1016/j.bone.2017.11.018] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 10/13/2017] [Revised: 11/21/2017] [Accepted: 11/23/2017] [Indexed: 02/06/2023]
Abstract
Early B lymphopoiesis occurs in the bone marrow and is reliant on interactions with numerous cell types in the bone marrow microenvironment, particularly those of the mesenchymal lineage. Each cellular niche that supports the distinct stages of B lymphopoiesis is unique. Different cell types and signaling molecules are important for the progressive stages of B lymphocyte differentiation. Cells expressing CXCL12 and IL-7 have long been recognized as having essential roles in facilitating progression through stages of B lymphopoiesis. Recently, a number of other factors that extrinsically mediate B lymphopoiesis (positively or negatively) have been identified. In addition, the use of transgenic mouse models to delete specific genes in mesenchymal lineage cells has further contributed to our understanding of how B lymphopoiesis is regulated in the bone marrow. This review will cover the current understanding of B lymphocyte niches in the bone marrow and key extrinsic molecules and signaling pathways involved in these niches, with a focus on how mesenchymal lineage cells regulate B lymphopoiesis.
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Affiliation(s)
- Alanna C Green
- St Vincent's Institute of Medical Research, Fitzroy, Victoria, Australia; The University of Melbourne, Department of Medicine at St Vincent's Hospital, Fitzroy, Victoria, Australia; Sheffield Myeloma Research Team, Department of Oncology and Metabolism, The University of Sheffield, Sheffield, UK; The Mellanby Centre for Bone Research, Sheffield, UK.
| | - Victoria Rudolph-Stringer
- St Vincent's Institute of Medical Research, Fitzroy, Victoria, Australia; The University of Melbourne, Department of Medicine at St Vincent's Hospital, Fitzroy, Victoria, Australia
| | - Andrew D Chantry
- Sheffield Myeloma Research Team, Department of Oncology and Metabolism, The University of Sheffield, Sheffield, UK; The Mellanby Centre for Bone Research, Sheffield, UK
| | - Joy Y Wu
- Division of Endocrinology, Stanford University School of Medicine, Stanford, CA, USA.
| | - Louise E Purton
- St Vincent's Institute of Medical Research, Fitzroy, Victoria, Australia; The University of Melbourne, Department of Medicine at St Vincent's Hospital, Fitzroy, Victoria, Australia.
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24
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The RANK-RANKL axis: an opportunity for drug repurposing in cancer? Clin Transl Oncol 2019; 21:977-991. [PMID: 30656607 DOI: 10.1007/s12094-018-02023-5] [Citation(s) in RCA: 15] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/12/2018] [Accepted: 12/18/2018] [Indexed: 12/12/2022]
Abstract
Drug repurposing offers advantages over traditional drug development in terms of cost, speed and improved patient outcomes. The receptor activator of nuclear factor kappa B (RANK) ligand (RANKL) inhibitor denosumab is approved for the prevention of skeletal-related events in patients with advanced malignancies involving bone, including solid tumours and multiple myeloma. Following improved understanding of the role of RANK/RANKL in cancer biology, denosumab has already been repurposed as a treatment for giant cell tumour of bone. Here, we review the role of RANK/RANKL in tumourigenesis, including effects on tumour initiation, progression and metastasis and consider the impact of RANK/RANKL on tumour immunology and immune evasion. Finally, we look briefly at ongoing trials and future opportunities for therapeutic synergy when combining denosumab with anti-cancer agents such as immune checkpoint inhibitors.
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25
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Schiano C, Soricelli A, De Nigris F, Napoli C. New challenges in integrated diagnosis by imaging and osteo-immunology in bone lesions. Expert Rev Clin Immunol 2019; 15:289-301. [PMID: 30570412 DOI: 10.1080/1744666x.2019.1561283] [Citation(s) in RCA: 16] [Impact Index Per Article: 3.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/17/2022]
Abstract
INTRODUCTION High-resolution imaging is the gold standard to measure the functional and biological features of bone lesions. Imaging markers have allowed the characterization both of tumour heterogeneity and metabolic data. Besides, ongoing studies are evaluating a combined use of 'imaging markers', such as SUVs, MATV, TLG, ADC from PET and MRI techniques respectively, and several 'biomarkers' spanning from chemokine immune-modulators, such as PD-1, RANK/RANKL, CXCR4/CXCL12 to transcription factors, such as TP53, RB1, MDM2, RUNX family, EZH2, YY1, MAD2. Osteoimmunology may improve diagnosis and prognosis leading to precision medicine in bone lesion treatment. Areas covered: We investigated modalities (molecular and imaging approach) useful to identify bone lesions deriving both from primary bone tumours and from osteotropic tumours, which have a higher incidence, prevalence and prognosis. Here, we summarized the recent advances in imaging techniques and osteoimmunology biomarkers which could play a pivotal role in personalized treatment. Expert commentary: Although imaging and molecular integration could allow both early diagnosis and stratification of cancer prognosis, large scale clinical trials will be necessary to translate pilot studies in the current clinical setting. ABBREVIATIONS ADC: apparent diffusion coefficient; ALCAM: Activated Leukocyte Cell Adhesion Molecule; ALP: Alkaline phosphatases; BC: Breast cancer; BSAP: B-Cell Lineage Specific Activator; BSAP: bone-specific alkaline phosphatase; BSP: bone sialoprotein; CRIP1: cysteine-rich intestinal protein 1; CD44: cluster of differentiation 44; CT: computed tomography; CXCL12: C-X-C motif ligand 12; CXCR4: C-X-C C-X-C chemokine receptor type 4; CTLA-4: Cytotoxic T-lymphocyte antigen 4; CTX-1: C-terminal end of the telopeptide of type I collagen; DC: dendritic cell; DWI: Diffusion-weighted MR image; EMT: mesenchymal transition; ET-1: endothelin-1; FDA: Food and Drug Administration; FDG: 18F-2-fluoro-2-deoxy-D-glucose; FGF: fibroblast growth factor; FOXC2: forkhead box protein C2: HK-2: hexokinase-2; ICTP: carboxyterminal cross-linked telopeptide of type I collagen; IGF-1R: Insulin Like Growth Factor 1 Receptor; ILC: innate lymphocytes cells; LC: lung cancer; IL-1: interleukin-1; LYVE1: lymphatic vessel endothelial hyaluronic acid receptor 1; MAD2: mitotic arrest deficient 2; MATV: metabolically active tumour volume; M-CSF: macrophage colony stimulating factor; MM: multiple myeloma; MIP1a: macrophage inflammatory protein 1a; MSC: mesenchymal stem cell; MRI: magnetic resonance imaging; PC: prostate cancer; NRP2: neuropilin 2; OPG: osteoprotogerin; PDGF: platelet-derived growth factor; PD-1: Programmed Cell Death 1; PET: positron emission tomography; PINP: procollagen type I N propeptide; PROX1: prospero homeobox protein 1; PSA: Prostate-specific antigen; PTH: parathyroid hormone; RANK: Receptor activator of NF-kB ligand; RECK: Reversion-inducing-cysteine-rich protein; SEMAs: semaphorins; SPECT: single photon computed tomography; SUV: standard uptake value; TLG: total lesion glycolysis; TP53: tumour protein 53; VCAM-1: vascular endothelial molecule-1; VOI: volume of interest; YY1: Yin Yang 1.
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Affiliation(s)
- Concetta Schiano
- a Department of Biochemical and Clinical Diagnostic , IRCCS SDN , Naples , Italy
| | - Andrea Soricelli
- a Department of Biochemical and Clinical Diagnostic , IRCCS SDN , Naples , Italy.,b Department of Motor Sciences and Healthiness , University of Naples Parthenope , Naples , Italy
| | - Filomena De Nigris
- c Department of Precision Medicine , University of Campania "Luigi Vanvitelli" , Naples , Italy
| | - Claudio Napoli
- a Department of Biochemical and Clinical Diagnostic , IRCCS SDN , Naples , Italy.,d Department of Medical, Surgical, Neurological, Metabolic and Geriatric Sciences , University of Campania "Luigi Vanvitelli" , Naples , Italy
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T-cell receptor activator of nuclear factor-κB ligand/osteoprotegerin imbalance is associated with HIV-induced bone loss in patients with higher CD4+ T-cell counts. AIDS 2018; 32:885-894. [PMID: 29424771 DOI: 10.1097/qad.0000000000001764] [Citation(s) in RCA: 20] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/23/2023]
Abstract
OBJECTIVE Higher incidence of osteopenia and osteoporosis underlie increased rates of fragility fracture in HIV infection. B cells are a major source of osteoprotegerin (OPG), an inhibitor of the key osteoclastogenic cytokine receptor activator of nuclear factor-κB ligand (RANKL). We previously showed that higher B-cell RANKL/OPG ratio contributes to HIV-induced bone loss. T-cell OPG production in humans, however, remains undefined and the contribution of T-cell OPG and RANKL to HIV-induced bone loss has not been explored. DESIGN We investigated T-cell OPG and RANKL production in ART-naive HIV-infected and uninfected individuals in relation to indices of bone loss in a cross-sectional study. METHODS T-cell RANKL and OPG production was determined by intracellular staining and flow cytometry, and plasma levels of bone resorption markers were determined by ELISA. RESULTS We demonstrate for the first time in-vivo human T-cell OPG production, which was significantly lower in HIV-infected individuals and was coupled with moderately higher T-cell RANKL production, resulting in a significantly higher T-cell RANKL/OPG ratio. T-cell RANKL/OPG ratio correlated significantly with BMD-derived z-scores at the hip, lumbar spine and femur neck in HIV-infected individuals with CD4 T-cell counts at least 200 cells/μl but not in those with lower counts. CONCLUSION Our data suggest that T cells may be a physiologically relevant source of OPG and T-cell RANKL/OPG imbalance is associated with HIV-induced bone loss in CD4 T-cell-sufficient patients. Both B and T lymphocytes may thus contribute to HIV-induced bone loss.
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Titanji K. Beyond Antibodies: B Cells and the OPG/RANK-RANKL Pathway in Health, Non-HIV Disease and HIV-Induced Bone Loss. Front Immunol 2017; 8:1851. [PMID: 29312334 PMCID: PMC5743755 DOI: 10.3389/fimmu.2017.01851] [Citation(s) in RCA: 24] [Impact Index Per Article: 3.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/30/2017] [Accepted: 12/06/2017] [Indexed: 12/13/2022] Open
Abstract
HIV infection leads to severe B cell dysfunction, which manifests as impaired humoral immune response to infection and vaccinations and is not completely reversed by otherwise effective antiretroviral therapy (ART). Despite its inability to correct HIV-induced B cell dysfunction, ART has led to significantly increased lifespans in people living with HIV/AIDS. This has in turn led to escalating prevalence of non-AIDS complications in aging HIV-infected individuals, including malignancies, cardiovascular disease, bone disease, and other end-organ damage. These complications, typically associated with aging, are a significant cause of morbidity and mortality and occur significantly earlier in HIV-infected individuals. Understanding the pathophysiology of these comorbidities and delineating clinical management strategies and potential cures is gaining in importance. Bone loss and osteoporosis, which lead to increase in fragility fracture prevalence, have in recent years emerged as important non-AIDS comorbidities in patients with chronic HIV infection. Interestingly, ART exacerbates bone loss, particularly within the first couple of years following initiation. The mechanisms underlying HIV-induced bone loss are multifactorial and complicated by the fact that HIV infection is linked to multiple risk factors for osteoporosis and fracture, but a very interesting role for B cells in HIV-induced bone loss has recently emerged. Although best known for their important antibody-producing capabilities, B cells also produce two cytokines critical for bone metabolism: the key osteoclastogenic cytokine receptor activator of NF-κB ligand (RANKL) and its physiological inhibitor osteoprotegerin (OPG). Dysregulated B cell production of OPG and RANKL was shown to be a major contributor to increased bone loss and fracture risk in animal models and HIV-infected humans. This review will summarize our current knowledge of the role of the OPG/RANK–RANKL pathway in B cells in health and disease, and the contribution of B cells to HIV-induced bone loss. Data from mouse studies indicate that RANKL and OPG may also play a role in B cell function and the implications of these findings for human B cell biology, as well as therapeutic strategies targeting the OPG/RANK–RANKL pathway, will be discussed.
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Affiliation(s)
- Kehmia Titanji
- Division of Endocrinology, Metabolism and Lipids, Department of Medicine, Emory University School of Medicine, Atlanta, GA, United States
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28
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Barrott JJ, Illum BE, Jin H, Hedberg ML, Wang Y, Grossmann A, Haldar M, Capecchi MR, Jones KB. Paracrine osteoprotegerin and β-catenin stabilization support synovial sarcomagenesis in periosteal cells. J Clin Invest 2017; 128:207-218. [PMID: 29202462 DOI: 10.1172/jci94955] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/04/2017] [Accepted: 10/10/2017] [Indexed: 01/30/2023] Open
Abstract
Synovial sarcoma (SS) is an aggressive soft-tissue sarcoma that is often discovered during adolescence and young adulthood. Despite the name, synovial sarcoma does not typically arise from a synoviocyte but instead arises in close proximity to bones. Previous work demonstrated that mice expressing the characteristic SS18-SSX fusion oncogene in myogenic factor 5-expressing (Myf5-expressing) cells develop fully penetrant sarcomagenesis, suggesting skeletal muscle progenitor cell origin. However, Myf5 is not restricted to committed myoblasts in embryos but is also expressed in multipotent mesenchymal progenitors. Here, we demonstrated that human SS and mouse tumors arising from SS18-SSX expression in the embryonic, but not postnatal, Myf5 lineage share an anatomic location that is frequently adjacent to bone. Additionally, we showed that SS can originate from periosteal cells expressing SS18-SSX alone and from preosteoblasts expressing the fusion oncogene accompanied by the added stabilization of β-catenin, which is a common secondary change in SS. Expression and secretion of the osteoclastogenesis inhibitory factor osteoprotegerin enabled early growth of SS18-SSX2-transformed cells, indicating a paracrine link between the bone and synovial sarcomagenesis. These findings explain the skeletal contact frequently observed in human SS and may provide alternate means of enabling SS18-SSX-driven oncogenesis in cells as differentiated as preosteoblasts.
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Affiliation(s)
| | - Benjamin E Illum
- Department of Human Genetics, University of Utah, Salt Lake City, Utah, USA
| | - Huifeng Jin
- Departments of Orthopaedics and Oncological Sciences, and
| | - Matthew L Hedberg
- Department of Pathology and Immunology, Washington University, St. Louis, Missouri, USA
| | - Yanliang Wang
- Departments of Orthopaedics and Oncological Sciences, and
| | - Allie Grossmann
- Department of Pathology, University of Utah, Salt Lake City, Utah, USA
| | - Malay Haldar
- Department of Pathology, University of Pennsylvania, Philadelphia, Pennsylvania, USA
| | - Mario R Capecchi
- Department of Human Genetics, University of Utah, Salt Lake City, Utah, USA
| | - Kevin B Jones
- Departments of Orthopaedics and Oncological Sciences, and
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The anti-tumor effect of RANKL inhibition in malignant solid tumors - A systematic review. Cancer Treat Rev 2017; 62:18-28. [PMID: 29154022 DOI: 10.1016/j.ctrv.2017.10.010] [Citation(s) in RCA: 80] [Impact Index Per Article: 11.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/21/2017] [Revised: 10/25/2017] [Accepted: 10/25/2017] [Indexed: 12/20/2022]
Abstract
At present, accumulating evidence suggests that inhibition of receptor activator of nuclear factor kappa-B ligand (RANKL) does not only induce an increase in bone mass and strength, but also has anti-tumor effects. Denosumab, an antibody targeting RANKL, is used to treat osteoporosis and to prevent skeletal related events (SREs) in patients with bone metastases originating from solid tumors. However, expression of RANKL and its receptor activator of nuclear factor kappa-B (RANK) is not solely restricted to cells involved in homeostasis of the bone and RANKL-RANK signalling appears to play a substantial role in many other processes in the body like mammary physiology, mammary tumorigenesis and the immune system. In pre-clinical models, RANKL inhibition has been shown to reduce skeletal tumor burden and distant metastases as well as to decrease mammary carcinogenesis. Clinically, RANKL inhibition improves bone-metastasis free survival in patients with prostate cancer and disease-free survival in patients with breast cancer. In addition, RANKL treatment may form a preventative strategy in patients at high risk for malignancies of the breast. Current clinical studies are evaluating the effect of denosumab on survival, the immune system and other biomarkers into a greater extent. To that purpose, a systematic review of the literature was performed and a narrative review synthesized, describing the present pre-clinical and clinical evidence of an anti-tumor effect of RANKL inhibition and the potential role of the immune system as one of the underlying mechanisms.
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Krela-Kaźmierczak I, Kaczmarek-Ryś M, Szymczak A, Michalak M, Skrzypczak-Zielińska M, Drwęska-Matelska N, Marcinkowska M, Eder P, Łykowska-Szuber L, Wysocka E, Linke K, Słomski R. Bone Metabolism and the c.-223C > T Polymorphism in the 5'UTR Region of the Osteoprotegerin Gene in Patients with Inflammatory Bowel Disease. Calcif Tissue Int 2016; 99:616-624. [PMID: 27639566 PMCID: PMC5097783 DOI: 10.1007/s00223-016-0192-9] [Citation(s) in RCA: 12] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 05/13/2016] [Accepted: 09/03/2016] [Indexed: 01/02/2023]
Abstract
Osteoporosis is more frequent in inflammatory bowel disease (IBD) patients. A reduction in bone mineral mass in these individuals is caused not only by inflammatory processes in the bowel, because osteoporosis occurs already in very young IBD patients and in newly diagnosed individuals who have not yet undergone any pharmacological treatment. One of individual determinants of the bone turnover parameters is osteoprotegerin (OPG) encoded by the TNFRSF11B gene. The c.-223C > T polymorphism in this gene has been extensively studied in post-menopausal osteoporosis patients. However, no such studies exist for osteoporosis related to IBD. The aim of our study was to determine whether the c.-223C > T (rs2073617) polymorphism in the 5'UTR region of the gene encoding osteoprotegerin is a functional polymorphism which may change the gene expression and resulting OPG levels, and so be associated with osteopenia and osteoporosis, and impaired bone metabolism in Crohn's disease and ulcerative colitis patients. Our study included 198 IBD patients and 41 healthy controls. Lumbar spine and femoral neck bone mineral density, T-score, Z-score as well as OPG, RANKL, vitamin D, calcium and interleukin 4 and 10 concentrations were determined for all study subjects. Genotyping of the TNFRSF11B polymorphic site was performed by restriction fragment length polymorphism technique. Statistical analyses were conducted using Statistica software. Odds ratios, 95 % confidence intervals, and P values were calculated using the HWE calculator. Our results did not allow determining an unequivocal association between the polymorphic variants of the TNFRSF11B 5'UTR region and a susceptibility to osteoporosis in IBD patients. We have shown, however, that the c.-223T allele was twice as more frequent in Crohn's disease (CD) patients than among controls (OR = 1.99, P value = 0.009). Interestingly, average osteoprotegerin levels in CD patients did not significantly differ from those in controls, whereas in ulcerative colitis patients, OPG levels were significantly lower. We have concluded that low OPG levels may be associated with osteoporosis in ulcerative colitis, but it is not correlated with the c.-223C > T polymorphism in the TNFRSF11B gene. In CD patients, in turn, we observed increased RANKL levels. Our observations confirm different pathogeneses of Crohn's disease and ulcerative colitis as well as different molecular backgrounds of osteoporosis associated with these two diseases.
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Affiliation(s)
- Iwona Krela-Kaźmierczak
- Department of Gastroenterology, Human Nutrition and Internal Diseases, Poznań University of Medical Sciences, Przybyszewskiego 49, 60-355, Poznan, Poland.
| | - Marta Kaczmarek-Ryś
- Institute of Human Genetics, Polish Academy of Sciences, Strzeszyńska 32, 60-479, Poznan, Poland.
| | - Aleksandra Szymczak
- Department of Gastroenterology, Human Nutrition and Internal Diseases, Poznań University of Medical Sciences, Przybyszewskiego 49, 60-355, Poznan, Poland
| | - Michał Michalak
- Department of Computer Science and Statistics, University of Medical Sciences, Poznan, Poland
| | | | - Natalia Drwęska-Matelska
- Department of Biochemistry and Biotechnology, University of Life Sciences in Poznań, Poznan, Poland
| | | | - Piotr Eder
- Department of Gastroenterology, Human Nutrition and Internal Diseases, Poznań University of Medical Sciences, Przybyszewskiego 49, 60-355, Poznan, Poland
| | - Lilianna Łykowska-Szuber
- Department of Gastroenterology, Human Nutrition and Internal Diseases, Poznań University of Medical Sciences, Przybyszewskiego 49, 60-355, Poznan, Poland
| | - Ewa Wysocka
- Department of Laboratory Diagnostics, University of Medical Sciences, Poznan, Poland
| | - Krzysztof Linke
- Department of Gastroenterology, Human Nutrition and Internal Diseases, Poznań University of Medical Sciences, Przybyszewskiego 49, 60-355, Poznan, Poland
| | - Ryszard Słomski
- Institute of Human Genetics, Polish Academy of Sciences, Strzeszyńska 32, 60-479, Poznan, Poland
- Department of Biochemistry and Biotechnology, University of Life Sciences in Poznań, Poznan, Poland
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Gudbrandsdottir S, Ghanima W, Nielsen CH, Feng X, Hasselbalch HC, Bussel J. Effect of thrombopoietin-receptor agonists on circulating cytokine and chemokine levels in patients with primary immune thrombocytopenia (ITP). Platelets 2016; 28:478-483. [DOI: 10.1080/09537104.2016.1235691] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/05/2023]
Affiliation(s)
- Sif Gudbrandsdottir
- Department of Haematology, Copenhagen University Hospital Roskilde, Denmark
- Institute for Inflammation Research, Copenhagen University Hospital Rigshospitalet, Denmark
| | - Waleed Ghanima
- Department of Medicine, Østfold Hospital Trust, and Institute of Clinical Medicine, Oslo University, Oslo, Norway
| | - Claus H Nielsen
- Institute for Inflammation Research, Copenhagen University Hospital Rigshospitalet, Denmark
| | - Xingmin Feng
- Haematology Branch, NHLBI, National Institutes of Health, Bethesda, MD, USA
| | - Hans C Hasselbalch
- Department of Haematology, Copenhagen University Hospital Roskilde, Denmark
| | - James Bussel
- Department of Paediatric Haematology/Oncology, Weill Cornell Medical College, New York, NY, USA
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Vassalle C, Mazzone A. Bone loss and vascular calcification: A bi-directional interplay? Vascul Pharmacol 2016; 86:77-86. [DOI: 10.1016/j.vph.2016.07.003] [Citation(s) in RCA: 38] [Impact Index Per Article: 4.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/25/2015] [Revised: 06/22/2016] [Accepted: 07/01/2016] [Indexed: 02/07/2023]
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33
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Osteoimmunology: memorandum for rheumatologists. SCIENCE CHINA-LIFE SCIENCES 2016; 59:1241-1258. [DOI: 10.1007/s11427-016-5105-7] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/12/2016] [Accepted: 05/17/2016] [Indexed: 12/30/2022]
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De Voogd FA, Gearry RB, Mulder CJ, Day AS. Osteoprotegerin: A novel biomarker for inflammatory bowel disease and gastrointestinal carcinoma. J Gastroenterol Hepatol 2016; 31:1386-92. [PMID: 26896745 DOI: 10.1111/jgh.13324] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 09/17/2015] [Revised: 02/08/2016] [Accepted: 02/13/2016] [Indexed: 12/22/2022]
Abstract
Osteoprotegerin (OPG) is a member of the tumor necrosis factor receptor superfamily of proteins. Although initial data illustrated the key role that OPG plays in bone turnover, numerous recent reports indicate that OPG is also an important factor in inflammatory pathways and tumor cell survival. OPG contributes directly to inflammatory processes and has been evaluated as a novel non-invasive biomarker of gut inflammation. Furthermore, OPG affects cell turn-over, differentiation, death, and survival via extracellular pathways, correlating with worse prognosis in inflammatory bowel diseases and several gastrointestinal carcinomas. It is now clear that OPG has multiple functions and characteristics. This review gives an overview of OPG, highlights its roles in different extracellular pathways, and outlines how OPG could be used as a novel non-invasive biological marker in inflammatory bowel diseases and gastrointestinal carcinomas.
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Affiliation(s)
- Floris Ae De Voogd
- Departments of Paediatrics, University of Otago-Christchurch, Christchurch, New Zealand.,Department of Medicine, University of Otago-Christchurch, Christchurch, New Zealand
| | - Richard B Gearry
- Department of Medicine, University of Otago-Christchurch, Christchurch, New Zealand.,Department of Gastroenterology, Christchurch Hospital, Christchurch, New Zealand
| | - Christopher J Mulder
- Department of Gastroenterology, VU University Medical Centre, Amsterdam, The Netherlands
| | - Andrew S Day
- Departments of Paediatrics, University of Otago-Christchurch, Christchurch, New Zealand.,Department of Paediatrics, Christchurch Hospital, Christchurch, New Zealand
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Sasso GRDS, Florencio-Silva R, Simões RS, Baracat MCP, Soares Júnior JM, Baracat EC. Elevated serum osteoprotegerin levels in women: friend or foe? Rev Assoc Med Bras (1992) 2016; 61:524-9. [PMID: 26841162 DOI: 10.1590/1806-9282.61.06.524] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/08/2015] [Accepted: 07/08/2015] [Indexed: 11/21/2022] Open
Abstract
INTRODUCTION osteoprotegerin has emerged as a new candidate for the treatment of osteoporosis. However, high levels of osteoprotegerin have been linked to vascular calcification, an independent and well-defined risk factor for cardiovascular disease (CVD) and mortality. Thus, the action of osteoprotegerin in these situations has been questioned. OBJECTIVE to evaluate the effect of osteoprotegerin (OPG) on the human body, especially in bone tissue and in vascular diseases. METHODS the scientific databases consulted were PubMed-Medline and Cochrane, using keywords (MeSH terms) grouped into the following syntaxes: (Osteoprotegerin OR Osteoclastogenesis Inhibitory Factor OR Receptors, Tumor Necrosis Factor, Member 11b OR Tumor Necrosis Factor Receptor Superfamily, Member 11b OR FDCR-1 Protein OR FDCR 1 Protein OR OCIF Protein OR Follicular Dendritic Cell-Derived Receptor-1) AND (Bones AND Bone OR Bones AND Bone Tissue OR Bones OR Bone Tissue OR Cardiovascular Diseases). RESULTS Osteoprotegerin is present in various organs and binds to two ligands: nuclear factor kB (RANKL) related to the differentiation of osteoclasts, and tumor necrosis factor related to the apoptosis-inducing ligand (TRAIL). OPG inhibits the regulation effects of nuclear factor kB on inflammation and on the skeletal and vascular systems, preventing the apoptosis induced by TRAIL, being related to the preservation of bone tissue. CONCLUSION a deeper knowledge of the mechanisms involved in the association between OPG serum levels, bone integrity and cardiovascular disease can provide important data for future therapeutic interventions.
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Affiliation(s)
| | | | - Ricardo Santos Simões
- Department of Obstetrics and Gynecology, Faculdade de Medicina, Universidade de São Paulo, São Paulo, SP, Brazil
| | | | - José Maria Soares Júnior
- Department of Obstetrics and Gynecology, Faculdade de Medicina, Universidade de São Paulo, São Paulo, SP, Brazil
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Bonomo A, Monteiro AC, Gonçalves-Silva T, Cordeiro-Spinetti E, Galvani RG, Balduino A. A T Cell View of the Bone Marrow. Front Immunol 2016; 7:184. [PMID: 27242791 PMCID: PMC4868947 DOI: 10.3389/fimmu.2016.00184] [Citation(s) in RCA: 22] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/25/2015] [Accepted: 04/29/2016] [Indexed: 01/20/2023] Open
Abstract
The majority of T cells present in the bone marrow (BM) represent an activated/memory phenotype and most of these, if not all, are circulating T cells. Their lodging in the BM keeps them activated, turning the BM microenvironment into a “memory reservoir.” This article will focus on how T cell activation in the BM results in both direct and indirect effects on the hematopoiesis. The hematopoietic stem cell niche will be presented, with its main components and organization, along with the role played by T lymphocytes in basal and pathologic conditions and their effect on the bone remodeling process. Also discussed herein will be how “normal” bone mass peak is achieved only in the presence of an intact adaptive immune system, with T and B cells playing critical roles in this process. Our main hypothesis is that the partnership between T cells and cells of the BM microenvironment orchestrates numerous processes regulating immunity, hematopoiesis, and bone remodeling.
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Affiliation(s)
- Adriana Bonomo
- Cancer Program (Fio-Cancer), Oswaldo Cruz Foundation, Rio de Janeiro, Brazil; Laboratory on Thymus Research, Oswaldo Cruz Institute, Oswaldo Cruz Foundation, Rio de Janeiro, Brazil
| | - Ana Carolina Monteiro
- Laboratory on Thymus Research, Oswaldo Cruz Institute, Oswaldo Cruz Foundation , Rio de Janeiro , Brazil
| | - Triciana Gonçalves-Silva
- Laboratory on Thymus Research, Oswaldo Cruz Institute, Oswaldo Cruz Foundation, Rio de Janeiro, Brazil; Immunology and Inflammation Graduate Program, Paulo de Góes Microbiology Institute, Federal University of Rio de Janeiro, Rio de Janeiro, Brazil
| | - Eric Cordeiro-Spinetti
- Cell Biology and Technology Laboratory, Veiga de Almeida University , Rio de Janeiro , Brazil
| | - Rômulo Gonçalves Galvani
- Cancer Program (Fio-Cancer), Oswaldo Cruz Foundation, Rio de Janeiro, Brazil; Laboratory on Thymus Research, Oswaldo Cruz Institute, Oswaldo Cruz Foundation, Rio de Janeiro, Brazil; Microbiology Graduate Program, Paulo de Góes Microbiology Institute, Federal University of Rio de Janeiro, Rio de Janeiro, Brazil
| | - Alex Balduino
- Cell Biology and Technology Laboratory, Veiga de Almeida University, Rio de Janeiro, Brazil; Excellion Laboratory, Amil/UnitedHealth Group, Petrópolis, Brazil
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Kunt H, Şentürk İ, Gönül Y, Korkmaz M, Ahsen A, Hazman Ö, Bal A, Genç A, Songur A. Effects of electromagnetic radiation exposure on bone mineral density, thyroid, and oxidative stress index in electrical workers. Onco Targets Ther 2016; 9:745-54. [PMID: 26929645 PMCID: PMC4758783 DOI: 10.2147/ott.s94374] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/20/2022] Open
Abstract
Background In the literature, some articles report that the incidence of numerous diseases increases among the individuals who live around high-voltage electric transmission lines (HVETL) or are exposed vocationally. However, it was not investigated whether HVETL affect bone metabolism, oxidative stress, and the prevalence of thyroid nodule. Methods Dual-energy X-ray absorptiometry (DEXA) bone density measurements, serum free triiodothyronine (FT3), free thyroxine (FT4), RANK, RANKL, osteoprotegerin (OPG), alkaline phosphatase (ALP), phosphor, total antioxidant status (TAS), total oxidant status (TOS), and oxidative stress index (OSI) levels were analyzed to investigate this effect. Results Bone mineral density levels of L1–L4 vertebrae and femur were observed significantly lower in the electrical workers. ALP, phosphor, RANK, RANKL, TOS, OSI, and anteroposterior diameter of the left thyroid lobe levels were significantly higher, and OPG, TAS, and FT4 levels were detected significantly lower in the study group when compared with the control group. Conclusion Consequently, it was observed that the balance between construction and destruction in the bone metabolism of the electrical workers who were employed in HVETL replaced toward destruction and led to a decrease in OPG levels and an increase in RANK and RANKL levels. In line with the previous studies, long-term exposure to an electromagnetic field causes disorders in many organs and systems. Thus, it is considered that long-term exposure to an electromagnetic field affects bone and thyroid metabolism and also increases OSI by increasing the TOS and decreasing the antioxidant status.
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Affiliation(s)
- Halil Kunt
- Department of Science Education, Faculty of Education, Dumlupınar University, Kütahya, Turkey
| | - İhsan Şentürk
- Department of Orthopedics and Traumatology, Afyonkarahisar, Turkey
| | - Yücel Gönül
- Department of Anatomy, Faculty of Medicine, Afyon Kocatepe University, Afyonkarahisar, Turkey
| | - Mehmet Korkmaz
- Department of Radiology, Faculty of Medicine, Dumlupınar University, Kütahya, Turkey
| | - Ahmet Ahsen
- Department of Nephrology, Faculty of Medicine, Afyon Kocatepe University, Afyonkarahisar, Turkey
| | - Ömer Hazman
- Department of Biochemistry, Faculty of Science and Arts, Afyon Kocatepe University, Afyonkarahisar, Turkey
| | - Ahmet Bal
- Department of General Surgery, Afyon Kocatepe University, Afyonkarahisar, Turkey
| | - Abdurrahman Genç
- Department of Physiology, Faculty of Medicine, Afyon Kocatepe University, Afyonkarahisar, Turkey
| | - Ahmet Songur
- Department of Anatomy, Faculty of Medicine, Afyon Kocatepe University, Afyonkarahisar, Turkey
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Sun D, Zheng X, Chen Y, Jia C, Xu S, Lin C, Zhang P, Zhang Z, Cai D, Jin D, Zhang B, Bai X. Enhancement of osteogenesis post-splenectomy does not attenuate bone loss in ovariectomized rats. J Orthop Res 2015; 33:1356-63. [PMID: 25640957 DOI: 10.1002/jor.22825] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 02/16/2014] [Accepted: 12/30/2014] [Indexed: 02/04/2023]
Abstract
The roles of different immune cell populations and cytokines in bone metabolism have been extensively investigated. However, the influence of whole immune organ removal on osteopathology remains unknown. In the current study, we investigated the effects of splenectomy on bone metabolism and microarchitecture in rats with or without concurrent ovariectomy. Ovariectomized (OVX) rats were used as osteoporosis model. Sixty 12-week-old female rats were randomized into 4 groups (n = 15): sham, splenectomized (SP), ovariectomized, as well as ovariectomized and splenectomized (OVX + SP). Bone microarchitecture was assessed by micro CT analysis at 4 week and 12 week post-operation, respectively. Bone pathology and metabolism were evaluated via immunohistochemical staining. The serum levels of alkaline phosphatase (ALP), tumor necrosis factor-alpha (TNF-α), tartrate-resistant acid phosphatase 5b (Tracp5b), and C-terminal telopeptide (CTx) were analyzed at 4 and 12 weeks post-operation. Removal of the spleen led to alterations in the homeostasis of bone metabolism and increased bone formation in rats. In this study, our findings indicate that the spleen is involved in skeletal metabolism.
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Affiliation(s)
- Dawei Sun
- Department of Orthopedics, Academy of Orthopedics, Guangdong Province, The Third Affiliated Hospital, Southern Medical University, Guangzhou, 510665, China.,Department of Orthopedics & Microsurgery, Guangdong No. 2 Provincial People's Hospital, Guangzhou, 510317, China
| | - Xiaochen Zheng
- Department of Orthopedics, Academy of Orthopedics, Guangdong Province, The Third Affiliated Hospital, Southern Medical University, Guangzhou, 510665, China.,Department of Orthopedics, the Second Affiliated Hospital of Luohe Medical College, Luohe, 462300, China
| | - Yuhui Chen
- Department of Orthopedics, Academy of Orthopedics, Guangdong Province, The Third Affiliated Hospital, Southern Medical University, Guangzhou, 510665, China
| | - Chunhong Jia
- Department of Cell Biology, School of Basic Medical Science, Southern Medical University, Guangzhou, 510515, China
| | - Song Xu
- Department of Orthopedics, Academy of Orthopedics, Guangdong Province, The Third Affiliated Hospital, Southern Medical University, Guangzhou, 510665, China.,Department of Cell Biology, School of Basic Medical Science, Southern Medical University, Guangzhou, 510515, China
| | - Chuangxin Lin
- Department of Orthopedics, Academy of Orthopedics, Guangdong Province, The Third Affiliated Hospital, Southern Medical University, Guangzhou, 510665, China
| | - Pei Zhang
- School of Traditional Chinese Medicine, Southern Medical University, Guangzhou, 510515, China
| | - Zhongmin Zhang
- Department of Orthopedics, Academy of Orthopedics, Guangdong Province, The Third Affiliated Hospital, Southern Medical University, Guangzhou, 510665, China
| | - Daozhang Cai
- Department of Orthopedics, Academy of Orthopedics, Guangdong Province, The Third Affiliated Hospital, Southern Medical University, Guangzhou, 510665, China
| | - Dadi Jin
- Department of Orthopedics, Academy of Orthopedics, Guangdong Province, The Third Affiliated Hospital, Southern Medical University, Guangzhou, 510665, China
| | - Baiyu Zhang
- Department of Rehabilitation Medicine, Sun Yat-Sen Memorial Hospital, Sun Yat-Sen University, Guangzhou, 510120, China
| | - Xiaochun Bai
- Department of Orthopedics, Academy of Orthopedics, Guangdong Province, The Third Affiliated Hospital, Southern Medical University, Guangzhou, 510665, China.,Department of Cell Biology, School of Basic Medical Science, Southern Medical University, Guangzhou, 510515, China
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Osteoprotegerin deficiency results in disruption of posterofrontal suture closure in mice: implications in nonsyndromic craniosynostosis. Plast Reconstr Surg 2015; 135:990e-999e. [PMID: 26017615 DOI: 10.1097/prs.0000000000001284] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/04/2023]
Abstract
BACKGROUND Little is known about the role of osteoclasts in cranial suture fusion. Osteoclasts are predominantly regulated by receptor activator of nuclear factor kappa B and receptor activator of nuclear factor kappa B ligand, both of which lead to osteoclast differentiation, activation, and survival; and osteoprotegerin, a soluble inhibitor of receptor activator of nuclear factor kappa B. The authors' work examines the role of osteoprotegerin in this process using knockout technology. METHODS Wild-type, osteoprotegerin-heterozygous, and osteoprotegerin-knockout mice were imaged by serial micro-computed tomography at 3, 5, 7, 9, and 16 weeks. Suture density measurements and craniometric analysis were performed at these same time points. Posterofrontal sutures were harvested from mice after the week-16 time point and analyzed by means of histochemistry. RESULTS Micro-computed tomographic analysis of the posterofrontal suture revealed reduced suture fusion in osteoprotegerin-knockout mice compared with wild-type and heterozygous littermates. Osteoprotegerin deficiency resulted in a statistically significant decrease in suture bone density in knockout mice. There was no reduction in the density of non-suture-containing calvarial bone between wild-type and osteoprotegerin-knockout mice. Histochemistry of suture sections supported these micro-computed tomographic findings. Finally, osteoprotegerin-knockout mice had reduced anteroposterior skull distance at all time points and an increased interorbital distance at the week-16 time point. CONCLUSION The authors' data suggest that perturbations in the expression of osteoprotegerin and subsequent changes in osteoclastogenesis lead to alterations in murine cranial and posterofrontal suture morphology.
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Chongwatpol P, Rendina-Ruedy E, Stoecker BJ, Clarke SL, Lucas EA, Smith BJ. Implications of compromised zinc status on bone loss associated with chronic inflammation in C57BL/6 mice. J Inflamm Res 2015. [PMID: 26203271 PMCID: PMC4508086 DOI: 10.2147/jir.s82261] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/23/2022] Open
Abstract
Compromised zinc status and chronic inflammation are independent factors that can contribute to bone loss. However, zinc’s role in regulating lymphoid and myeloid cell populations, combined with the interplay between the immune and skeletal systems raises the question as to the extent to which a low-grade inflammatory challenge in the context of marginal zinc deficiency would exacerbate bone loss. To address this question, young adult C57BL/6 male mice (n=32) were used in a 2×2 factorial design with dietary zinc (adequate or 35 ppm vs inadequate or −Zn =5 ppm) and lipopolysaccharide (LPS, 0 or 0.1 mg/kg body weight). Mice were fed their respective diets for 10 weeks. On the 6th week, mice had a slow release pellet implanted to induce a low-grade inflammation for the final 4 weeks of the study. −Zn induced a decrease in total white cell counts and peripheral lymphocytes, whereas LPS increased blood monocytes. LPS significantly reduced spine bone mineral density and trabecular bone volume and number of the vertebral body compared with both zinc adequate and inadequate without LPS groups. Likewise, the most pronounced effects on bone strength occurred with LPS, however, −Zn also had negative effects on the bone von Mises stresses. LPS induced an increase in TNF-α and this response was further increased with −Zn. Although the marginal zinc deficiency altered immune function, bone loss was not exacerbated with low-grade chronic inflammation in marginally zinc-deficient young adult mice. These findings demonstrate that in young adult animals an immune challenge modestly increases the inflammatory response and worsens bone biomechanics in the context of a marginal zinc deficiency, but not to the extent that more severe adverse outcomes are observed on bone structural parameters.
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Affiliation(s)
- Pitipa Chongwatpol
- Department of Nutritional Sciences, Oklahoma State University, Stillwater, OK, USA
| | | | - Barbara J Stoecker
- Department of Nutritional Sciences, Oklahoma State University, Stillwater, OK, USA
| | - Stephen L Clarke
- Department of Nutritional Sciences, Oklahoma State University, Stillwater, OK, USA
| | - Edralin A Lucas
- Department of Nutritional Sciences, Oklahoma State University, Stillwater, OK, USA
| | - Brenda J Smith
- Department of Nutritional Sciences, Oklahoma State University, Stillwater, OK, USA
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Choi SW, Lee SU, Kim EH, Park SJ, Choi I, Kim TD, Kim SH. Osteoporotic bone of miR-150-deficient mice: Possibly due to low serum OPG-mediated osteoclast activation. Bone Rep 2015; 3:5-10. [PMID: 28377961 PMCID: PMC5365209 DOI: 10.1016/j.bonr.2015.06.003] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 03/09/2015] [Revised: 05/26/2015] [Accepted: 06/22/2015] [Indexed: 12/17/2022] Open
Abstract
MicroRNA (miR)-150 has been shown to control B and T cell differentiation in the bone marrow. The regulation of B and T cells is directly or systematically associated with bone remodeling cells such as osteoclasts; however, the functional role of miR-150 in bone homeostasis has not been well studied. Here, we observed down-regulation of miR-150 during in vitro osteoclast differentiation and, furthermore, that miR-150 knockout mice exhibit decreased bone mass and an increased number of osteoclasts. miR-150 deficiency did not affect osteoclast differentiation, but miR150 knockout mice had significantly lower osteoprotegrin (OPG) serum levels, suggesting that the reduction of serum OPG level in miR-150 knockout mice might induce B cell expansion and subsequently increase serum levels of immunoglobulins for activating osteoclast differentiation. miR-150 knockout mice exhibited decreased bone mass and an increased number of osteoclasts. miR-150 expression gradually decreased during in vitro osteoclast differentiation. Osteoclast differentiation of BMMs isolated from miR-150 knockout mice was similar to that from wild type. miR-150 knockout mice exhibited significantly lower OPG serum levels.
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Key Words
- BMC, bone marrow cell
- BMD, bone mineral density
- BMMs, bone marrow-derived macrophages
- BV/TV, bone volume/tissue volume
- Bone
- IFN, interferon
- Ig, immunoglobulin
- M-CSF, macrophage-colony-stimulating factor
- MNCs, multinucleated osteoclast cells
- NK, natural killer
- OPG, osteoprotegrin
- Osteoclasts
- Osteoporosis
- Osteoprotegrin
- RANKL, receptor activator of nuclear factor-kB ligand
- TNF, tumor necrosis factor
- TRAP, tartrate-resistant acid phosphatase
- Tb.N, number of trabeculae
- Tb.Sp, trabecular separation
- iNKT, invariant NK T cell
- miR-150
- miRNA, microRNA
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Affiliation(s)
- Sik-Won Choi
- Laboratory of Translational Therapeutics, Korea Research Institute of Chemical Technology, Daejeon 305-600, Republic of Korea
| | - Su Ui Lee
- Natural Medicine Research Center, Korea Research Institute of Bioscience and Biotechnology, Cheongju-si, Chungbuk 363-883, Republic of Korea
| | - Eun Hye Kim
- Laboratory of Translational Therapeutics, Korea Research Institute of Chemical Technology, Daejeon 305-600, Republic of Korea
| | - Sang-Joon Park
- Department of Histology, College of Veterinary Medicine, Kyungpook National University, Daegu 702-701, Republic of Korea
| | - Inpyo Choi
- Immunotherapy Research Center, Korea Research Institute of Bioscience and Biotechnology, Daejeon 305-806, Republic of Korea; Department of Functional Genomics, Korea University of Science and Technology, Daejeon 305-333, Republic of Korea
| | - Tae-Don Kim
- Immunotherapy Research Center, Korea Research Institute of Bioscience and Biotechnology, Daejeon 305-806, Republic of Korea; Department of Functional Genomics, Korea University of Science and Technology, Daejeon 305-333, Republic of Korea
| | - Seong Hwan Kim
- Laboratory of Translational Therapeutics, Korea Research Institute of Chemical Technology, Daejeon 305-600, Republic of Korea
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Marrella V, Lo Iacono N, Fontana E, Sobacchi C, Sic H, Schena F, Sereni L, Castiello MC, Poliani PL, Vezzoni P, Cassani B, Traggiai E, Villa A. IL-10 Critically Modulates B Cell Responsiveness in Rankl−/− Mice. THE JOURNAL OF IMMUNOLOGY 2015; 194:4144-53. [DOI: 10.4049/jimmunol.1401977] [Citation(s) in RCA: 8] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/04/2014] [Accepted: 02/23/2015] [Indexed: 11/19/2022]
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Vamze J, Pilmane M, Skagers A. Biocompatibility of pure and mixed hydroxyapatite and α-tricalcium phosphate implanted in rabbit bone. JOURNAL OF MATERIALS SCIENCE. MATERIALS IN MEDICINE 2015; 26:73. [PMID: 25631269 DOI: 10.1007/s10856-015-5406-6] [Citation(s) in RCA: 12] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/21/2014] [Accepted: 11/06/2014] [Indexed: 06/04/2023]
Abstract
Calcium phosphates and hydroxyapatite, in particular, are used as substitute materials in experimental implantology. These materials are primarily used in hard tissue replacement because their chemical and crystallographic characteristics are considered to be similar to the mineral content, osteoconductivity and bioactivity of normal bone. Cytokines, such as interleukin (IL)-1, IL-6, IL-8, IL-10 and antimicrobial protein β-defensin-2 (βDef-2), are used as biomarkers of non-specific reactogenicity. Other biomarkers, including bone morphogenetic protein-2/4 (BMP-2/4), bone regeneration protein osteoprotegerin (OPG), bone matrix protein osteopontin (OP) and osteocalcin (OC), are regarded as specific factors of reactogenicity in bone substitution. The aim of our study was to assess the changes in the distribution and expression of the aforementioned proteins in the lower jaws of rabbits following implantation with pure hydroxyapatite (HAP), α-tricalcium phosphate (α-TCP) or a mix of the two (HAP/α-TCP) manufactured under different temperatures. Our results reveal osteoblast proliferation and regions of granulation tissue formation between biomaterial granules close to the original implantation site, but in the control tissue these changes were less noticeable. Our study showed low variability in the distribution of βDef-2, OPG and all of the tested interleukins and these proteins were less expressed than BMP2/4, OP and OC. But across all experiments, no statistically significant difference in mean βDef-2, IL-1, IL-6, IL-8, IL-10, OP, OC, BMP-2/4 and OPG expression in osteocytes was detected between experimental and control groups. We concluded that pure and mixed HAP and α-TCP sintered at different temperatures do not affect the production of cytokines and bone-specific proteins; regions with osteoblast proliferation and low levels of anti-inflammatory cytokines IL-6 and IL-10 indicates better biocompatibility for HAP/α-TCP and α-TCP-2 biomaterials and the moderate number of BMP-2/4- and a prevalence of OC- and OP-positive osteocytes in experimental tissues implanted with HAP at 3 months after implantation indicates potential bone regeneration stimulated by pure HAP.
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Affiliation(s)
- Jolanta Vamze
- Riga Stradins University, Dzirciema str.16, Riga, 1007, Latvia,
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Maxhimer JB, Bradley JP, Lee JC. Signaling pathways in osteogenesis and osteoclastogenesis: Lessons from cranial sutures and applications to regenerative medicine. Genes Dis 2015; 2:57-68. [PMID: 25961069 PMCID: PMC4425620 DOI: 10.1016/j.gendis.2014.12.004] [Citation(s) in RCA: 17] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/13/2022] Open
Abstract
One of the simplest models for examining the interplay between bone formation and resorption is the junction between the cranial bones. Although only roughly a quarter of patients diagnosed with craniosynostosis have been linked to known genetic disturbances, the molecular mechanisms elucidated from these studies have provided basic knowledge of bone homeostasis. This work has translated to methods and advances in bone tissue engineering. In this review, we examine the current knowledge of cranial suture biology derived from human craniosynostosis syndromes and discuss its application to regenerative medicine.
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Affiliation(s)
- Justin B. Maxhimer
- Division of Plastic and Reconstructive Surgery, UCLA David Geffen School of Medicine, CA, USA
| | - James P. Bradley
- Division of Plastic and Reconstructive Surgery, Temple University/St. Christopher's Hospital for Children, PA, USA
| | - Justine C. Lee
- Division of Plastic and Reconstructive Surgery, UCLA David Geffen School of Medicine, CA, USA
- Division of Plastic and Reconstructive Surgery, Greater Los Angeles VA Healthcare System, USA
- Corresponding author. UCLA Division of Plastic and Reconstructive Surgery, 200 UCLA Medical Plaza, Suite 465, Los Angeles, CA 90095, USA. Tel.: +1 310 794 7616; fax: +1 310 206 6833.
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Kwan JSH, Hsu YH, Cheung CL, Dupuis J, Saint-Pierre A, Eriksson J, Handelman SK, Aragaki A, Karasik D, Pramstaller PP, Kooperberg C, Lacroix AZ, Larson MG, Lau KS, Lorentzon M, Pichler I, Sham PC, Taliun D, Vandenput L, Kiel DP, Hicks AA, Jackson RD, Ohlsson C, Benjamin EJ, Kung AWC. Meta-analysis of genome-wide association studies identifies two loci associated with circulating osteoprotegerin levels. Hum Mol Genet 2014; 23:6684-93. [PMID: 25080503 PMCID: PMC4240210 DOI: 10.1093/hmg/ddu386] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/19/2014] [Revised: 07/14/2014] [Accepted: 07/21/2014] [Indexed: 01/08/2023] Open
Abstract
Osteoprotegerin (OPG) is involved in bone homeostasis and tumor cell survival. Circulating OPG levels are also important biomarkers of various clinical traits, such as cancers and atherosclerosis. OPG levels were measured in serum or in plasma. In a meta-analysis of genome-wide association studies in up to 10 336 individuals from European and Asian origin, we discovered that variants >100 kb upstream of the TNFRSF11B gene encoding OPG and another new locus on chromosome 17q11.2 were significantly associated with OPG variation. We also identified a suggestive locus on chromosome 14q21.2 associated with the trait. Moreover, we estimated that over half of the heritability of OPG levels could be explained by all variants examined in our study. Our findings provide further insight into the genetic regulation of circulating OPG levels.
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Affiliation(s)
| | - Yi-Hsiang Hsu
- Institute for Aging Research, Hebrew SeniorLife, Boston, MA, USA, Program of Quantitative Genomics, Harvard School of Public Health, Boston, MA, USA, BROAD Institute of the MIT and Harvard, Cambridge, MA, USA
| | | | - Josée Dupuis
- Framingham Heart Study of the National, Heart, Lung, and Blood Institute and Boston University, Framingham, MA, USA, Department of Biostatistics, Boston University School of Public Health, Boston, MA, USA
| | - Aude Saint-Pierre
- Center for Biomedicine, European Academy Bozen/Bolzano (EURAC), Bolzano, Italy - Affiliated Institute of the University of Lübeck, Lübeck, Germany, INSERM U1078, Etablissement Français du Sang, Brest, France
| | - Joel Eriksson
- Centre for Bone and Arthritis Research, Departments of Internal Medicine and Geriatrics, Sahlgrenska Academy, University of Gothenburg, Gothenburg, Sweden
| | | | - Aaron Aragaki
- Division of Endocrinology, Diabetes and Metabolism, Department of Medicine, The Ohio State University, Columbus, OH, USA
| | - David Karasik
- Institute for Aging Research, Hebrew SeniorLife, Boston, MA, USA
| | - Peter P Pramstaller
- Center for Biomedicine, European Academy Bozen/Bolzano (EURAC), Bolzano, Italy - Affiliated Institute of the University of Lübeck, Lübeck, Germany, Department of Neurology, General Central Hospital, Bolzano, Italy, Department of Neurology, University of Lübeck, Lübeck, Germany
| | | | - Andrea Z Lacroix
- Department of Preventive Medicine, University of California San Diego, San Diego, CA, USA
| | - Martin G Larson
- Framingham Heart Study of the National, Heart, Lung, and Blood Institute and Boston University, Framingham, MA, USA, Department of Biostatistics, Boston University School of Public Health, Boston, MA, USA
| | | | - Mattias Lorentzon
- Centre for Bone and Arthritis Research, Departments of Internal Medicine and Geriatrics, Sahlgrenska Academy, University of Gothenburg, Gothenburg, Sweden
| | - Irene Pichler
- Center for Biomedicine, European Academy Bozen/Bolzano (EURAC), Bolzano, Italy - Affiliated Institute of the University of Lübeck, Lübeck, Germany
| | - Pak C Sham
- Department of Psychiatry and Centre for Genomic Sciences, University of Hong Kong, Pokfulam, Hong Kong
| | - Daniel Taliun
- Center for Biomedicine, European Academy Bozen/Bolzano (EURAC), Bolzano, Italy - Affiliated Institute of the University of Lübeck, Lübeck, Germany
| | - Liesbeth Vandenput
- Centre for Bone and Arthritis Research, Departments of Internal Medicine and Geriatrics, Sahlgrenska Academy, University of Gothenburg, Gothenburg, Sweden
| | - Douglas P Kiel
- Institute for Aging Research, Hebrew SeniorLife, Boston, MA, USA, BROAD Institute of the MIT and Harvard, Cambridge, MA, USA, Department of Medicine, Beth Israel Deaconess Medical Center and Harvard Medical School, Boston, MA, USA
| | - Andrew A Hicks
- Center for Biomedicine, European Academy Bozen/Bolzano (EURAC), Bolzano, Italy - Affiliated Institute of the University of Lübeck, Lübeck, Germany
| | - Rebecca D Jackson
- Division of Endocrinology, Diabetes and Metabolism, Department of Medicine, The Ohio State University, Columbus, OH, USA
| | - Claes Ohlsson
- Centre for Bone and Arthritis Research, Departments of Internal Medicine and Geriatrics, Sahlgrenska Academy, University of Gothenburg, Gothenburg, Sweden
| | - Emelia J Benjamin
- Framingham Heart Study of the National, Heart, Lung, and Blood Institute and Boston University, Framingham, MA, USA, Department of Medicine, Boston University School of Medicine, Boston, MA, USA and
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Criscitiello C, Viale G, Gelao L, Esposito A, De Laurentiis M, De Placido S, Santangelo M, Goldhirsch A, Curigliano G. Crosstalk between bone niche and immune system: osteoimmunology signaling as a potential target for cancer treatment. Cancer Treat Rev 2014; 41:61-8. [PMID: 25499997 DOI: 10.1016/j.ctrv.2014.12.001] [Citation(s) in RCA: 36] [Impact Index Per Article: 3.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/22/2014] [Revised: 11/26/2014] [Accepted: 12/01/2014] [Indexed: 01/08/2023]
Abstract
There is a well recognized link between the bone and the immune system and in recent years there has been a major effort to elucidate the multiple functions of the molecules expressed in both bone and immune cells. Several molecules that were initially identified and studied in the immune system have been shown to have essential functions also in the bone. An interdisciplinary field embracing immune and bone biology has been brought together and called "osteoimmunology". The co-regulation of the skeletal and immune systems strikingly exemplifies the extreme complexity of such an interaction. Their interdependency must be considered in designing therapeutic approaches for either of the two systems. In other words, it is necessary to think of the osteoimmune system as a complex physiological unit. Denosumab was originally introduced to specifically target bone resorption, but it is now under evaluation for its effect on the long term immune response. Similarly, our current and still growing knowledge of the intimate link between the immune system and bone will be beneficial for the safety of drugs targeting either of these integrated systems. Given the large number of molecules exerting functions on both the skeletal and immune systems, osteoimmunological understanding is becoming increasingly important. Both bone and immune systems are frequently disrupted in cancer; and they may be crucial in regulating tumor growth and progression. Some therapies - such as bisphosphonates and receptor activator of NF-κB ligand (RANKL) targeted drugs - that aim at reducing pathologic osteolysis in cancer may interact with the immune system, thus providing potential favorable effects on survival.
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Affiliation(s)
- Carmen Criscitiello
- Division of Experimental Therapeutics, Breast Cancer Program, Istituto Europeo di Oncologia, Via Ripamonti 435, 20133 Milano, Italy.
| | - Giulia Viale
- Division of Experimental Therapeutics, Breast Cancer Program, Istituto Europeo di Oncologia, Via Ripamonti 435, 20133 Milano, Italy
| | - Lucia Gelao
- Division of Experimental Therapeutics, Breast Cancer Program, Istituto Europeo di Oncologia, Via Ripamonti 435, 20133 Milano, Italy
| | - Angela Esposito
- Division of Experimental Therapeutics, Breast Cancer Program, Istituto Europeo di Oncologia, Via Ripamonti 435, 20133 Milano, Italy
| | - Michele De Laurentiis
- Department of Breast Oncology, National Cancer Institute "Fondazione Pascale", Naples, Italy
| | - Sabino De Placido
- Department of Endocrinology and Molecular and Clinical Oncology, University of Naples Federico II, Napoli, Italy
| | - Michele Santangelo
- Department of Advanced Medical Sciences, Operative Unit of General Surgery and Transplants, University of Naples Federico II, Napoli, Italy
| | - Aron Goldhirsch
- Division of Experimental Therapeutics, Breast Cancer Program, Istituto Europeo di Oncologia, Via Ripamonti 435, 20133 Milano, Italy
| | - Giuseppe Curigliano
- Division of Experimental Therapeutics, Breast Cancer Program, Istituto Europeo di Oncologia, Via Ripamonti 435, 20133 Milano, Italy
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Ferron M, Lacombe J. Regulation of energy metabolism by the skeleton: Osteocalcin and beyond. Arch Biochem Biophys 2014; 561:137-46. [DOI: 10.1016/j.abb.2014.05.022] [Citation(s) in RCA: 131] [Impact Index Per Article: 13.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/02/2014] [Revised: 05/19/2014] [Accepted: 05/22/2014] [Indexed: 12/30/2022]
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Manilay JO, Zouali M. Tight relationships between B lymphocytes and the skeletal system. Trends Mol Med 2014; 20:405-12. [DOI: 10.1016/j.molmed.2014.03.003] [Citation(s) in RCA: 42] [Impact Index Per Article: 4.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/27/2014] [Revised: 03/06/2014] [Accepted: 03/13/2014] [Indexed: 02/06/2023]
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Maseda D, Bonami RH, Crofford LJ. Regulation of B lymphocytes and plasma cells by innate immune mechanisms and stromal cells in rheumatoid arthritis. Expert Rev Clin Immunol 2014; 10:747-62. [PMID: 24734886 DOI: 10.1586/1744666x.2014.907744] [Citation(s) in RCA: 16] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/29/2022]
Abstract
B cells mediate multiple functions that influence immune and inflammatory responses in rheumatoid arthritis. Production of a diverse array of autoantibodies can happen at different stages of the disease, and are important markers of disease outcome. In turn, the magnitude and quality of acquired humoral immune responses is strongly dependent on signals delivered by innate immune cells. Additionally, the milieu of cells and chemokines that constitute a niche for plasma cells rely strongly on signals provided by stromal cells at different anatomical locations and times. The chronic inflammatory state therefore importantly impacts the developing humoral immune response and its intensity and specificity. We focus this review on B cell biology and the role of the innate immune system in the development of autoimmunity in patients with rheumatoid arthritis.
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Affiliation(s)
- Damian Maseda
- Department of Medicine, Division of Rheumatology and Immunology, Vanderbilt University Medical Center, Nashville, TN 37232, USA
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50
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Callegari A, Coons ML, Ricks JL, Rosenfeld ME, Scatena M. Increased calcification in osteoprotegerin-deficient smooth muscle cells: Dependence on receptor activator of NF-κB ligand and interleukin 6. J Vasc Res 2014; 51:118-31. [PMID: 24642764 DOI: 10.1159/000358920] [Citation(s) in RCA: 76] [Impact Index Per Article: 7.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/12/2013] [Accepted: 01/14/2014] [Indexed: 12/15/2022] Open
Abstract
OBJECTIVE Vascular calcification is highly correlated with cardiovascular disease morbidity and mortality. Osteoprotegerin (OPG) is a secreted decoy receptor for receptor activator of NF-κB ligand (RANKL). Inactivation of OPG in apolipoprotein E-deficient (ApoE-/-) mice increases lesion size and calcification. The mechanism(s) by which OPG is atheroprotective and anticalcific have not been entirely determined. We investigated whether OPG-deficient vascular smooth muscle cells (VSMCs) are more susceptible to mineralization and whether RANKL mediates this process. RESULTS Lesion-free aortas from 12-week-old ApoE-/-OPG-/- mice had spotty calcification, an appearance of osteochondrogenic factors and a decrease of smooth muscle markers when compared to ApoE-/-OPG+/+ aortas. In osteogenic conditions, VSMCs isolated from ApoE-/-OPG-/- (KO-VSMC) mice deposited more calcium than VSMCs isolated from ApoE-/-OPG+/+ (WT-VSMC) mice. Gene expression and biochemical analysis indicated accelerated osteochondrogenic differentiation. Ablation of RANKL signaling in KO-VSMCs rescued the accelerated calcification. While WT-VSMCs did not respond to RANKL treatment, KO-VSMCs responded with enhanced calcification and the upregulation of osteochondrogenic genes. RANKL strongly induced interleukin 6 (IL-6), which partially mediated RANKL-dependent calcification and gene expression in KO-VSMCs. CONCLUSIONS OPG inhibits vascular calcification by regulating the procalcific effects of RANKL on VSMCs and is thus a possible target for therapeutic intervention.
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Affiliation(s)
- Andrea Callegari
- Department of Bioengineering, University of Washington, Seattle, Wash., USA
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