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CircHGF suppressed cell proliferation and osteogenic differentiation of BMSCs in ONFH via inhibiting miR-25-3p binding to SMAD7. MOLECULAR THERAPY. NUCLEIC ACIDS 2022; 28:99-113. [PMID: 35402073 PMCID: PMC8938254 DOI: 10.1016/j.omtn.2022.02.017] [Citation(s) in RCA: 22] [Impact Index Per Article: 11.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 09/17/2021] [Accepted: 02/25/2022] [Indexed: 12/26/2022]
Abstract
Steroid-induced osteonecrosis of the femoral head (ONFH) is a common and devastating bone disorder, which often results in progressive collapse of the femoral head and subsequent osteoarthritis. The proliferation ability and osteogenic differentiation of bone marrow mesenchymal stem cells (BMSCs) play critical roles in maintaining the structural and functional integrity of the femoral head to prevent ONFH. Until now, little has been known about the underlying mechanism of BMSCs differentiation disorder during ONFH progression. Circular RNAs (circRNAs) are considered to be vital non-coding RNAs functionally involved in various human diseases. However, whether and how circRNA regulates the proliferation and osteogenic differentiation of BMSCs in ONFH remain unclear. In this study, we analyzed the circRNA expression profile of five samples of BMSCs in ONFH and five samples of control by using circRNA microarray assays. We identified 182 differentially expressed circRNAs, among which 108 circRNAs were upregulated. We further investigated the effects of a significantly upregulated circRNA, circHGF, on the proliferation and osteogenic differentiation of BMSCs in vitro. Results showed that circHGF suppressed the proliferation and osteogenic differentiation of BMSCs in ONFH by targeting miR-25-3p/SMAD7 axis. Our findings provided a potential diagnostic and therapeutic strategy for ONFH.
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102
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Different Sources of Mesenchymal Stem Cells for Tissue Regeneration: A Guide to Identifying the Most Favorable One in Orthopedics and Dentistry Applications. Int J Mol Sci 2022; 23:ijms23116356. [PMID: 35683035 PMCID: PMC9181542 DOI: 10.3390/ijms23116356] [Citation(s) in RCA: 38] [Impact Index Per Article: 19.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/08/2022] [Revised: 05/31/2022] [Accepted: 06/03/2022] [Indexed: 12/04/2022] Open
Abstract
The success of regenerative medicine in various clinical applications depends on the appropriate selection of the source of mesenchymal stem cells (MSCs). Indeed, the source conditions, the quality and quantity of MSCs, have an influence on the growth factors, cytokines, extracellular vesicles, and secrete bioactive factors of the regenerative milieu, thus influencing the clinical result. Thus, optimal source selection should harmonize this complex setting and ensure a well-personalized and effective treatment. Mesenchymal stem cells (MSCs) can be obtained from several sources, including bone marrow and adipose tissue, already used in orthopedic regenerative applications. In this sense, for bone, dental, and oral injuries, MSCs could provide an innovative and effective therapy. The present review aims to compare the properties (proliferation, migration, clonogenicity, angiogenic capacity, differentiation potential, and secretome) of MSCs derived from bone marrow, adipose tissue, and dental tissue to enable clinicians to select the best source of MSCs for their clinical application in bone and oral tissue regeneration to delineate new translational perspectives. A review of the literature was conducted using the search engines Web of Science, Pubmed, Scopus, and Google Scholar. An analysis of different publications showed that all sources compared (bone marrow mesenchymal stem cells (BM-MSCs), adipose tissue mesenchymal stem cells (AT-MSCs), and dental tissue mesenchymal stem cells (DT-MSCs)) are good options to promote proper migration and angiogenesis, and they turn out to be useful for gingival, dental pulp, bone, and periodontal regeneration. In particular, DT-MSCs have better proliferation rates and AT and G-MSC sources showed higher clonogenicity. MSCs from bone marrow, widely used in orthopedic regenerative medicine, are preferable for their differentiation ability. Considering all the properties among sources, BM-MSCs, AT-MSCs, and DT-MSCs present as potential candidates for oral and dental regeneration.
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103
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Zhao Y, Hao X, Li Z, Feng X, Katz J, Michalek SM, Jiang H, Zhang P. Role of chromatin modulator Dpy30 in osteoclast differentiation and function. Bone 2022; 159:116379. [PMID: 35307321 PMCID: PMC9063347 DOI: 10.1016/j.bone.2022.116379] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 11/30/2021] [Revised: 03/01/2022] [Accepted: 03/06/2022] [Indexed: 12/14/2022]
Abstract
Osteoclasts are the principal bone resorption cells crucial for homeostatic bone remodeling and pathological bone destruction. Increasing data demonstrate a vital role of histone methylation in osteoclastogenesis. As an integral core subunit of H3K4 methyltransferases, Dpy30 is notal as a key chromatin regulator for cell growth and differentiation and stem cell fate determination, particularly in the hematopoietic system. However, its role in osteoclastogenesis is currently unknown. Herein, we generated Dpy30F/F; LysM-Cre+/+ mice, which deletes Dpy30 in myeloid cells, to characterize its involvement in osteoclast differentiation and function. Dpy30F/F; LysM-Cre+/+ mice showed increased bone mass, evident by impaired osteoclastogenesis and defective osteoclast activity, but no alteration of osteoblast numbers and bone formation. Additionally, our ex vivo analysis showed that the loss of Dpy30 significantly impedes osteoclast differentiation and suppresses osteoclast-related gene expression. Moreover, Dpy30 deficiency significantly decreased the enrichment of H3K4me3 on the promoter region of NFATc1. Thus, we revealed a novel role for Dpy30 in osteoclastogenesis through epigenetic mechanisms, and that it could potentially be a therapeutic target for bone destruction diseases.
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Affiliation(s)
- Yanfang Zhao
- Department of Pediatric Dentistry, School of Dentistry, University of Alabama at Birmingham, Birmingham, AL 35294, USA
| | - Xiaoxiao Hao
- Department of Pediatric Dentistry, School of Dentistry, University of Alabama at Birmingham, Birmingham, AL 35294, USA
| | - Zhaofei Li
- Department of Pediatric Dentistry, School of Dentistry, University of Alabama at Birmingham, Birmingham, AL 35294, USA
| | - Xu Feng
- Department of Pathology, University of Alabama at Birmingham, Birmingham, AL 35294, USA
| | - Jannet Katz
- Department of Pediatric Dentistry, School of Dentistry, University of Alabama at Birmingham, Birmingham, AL 35294, USA
| | - Suzanne M Michalek
- Department of Microbiology, University of Alabama at Birmingham, Birmingham, AL 35294, USA
| | - Hao Jiang
- Department of Biochemistry and Molecular Genetics, University of Virginia, Charlottesville, VA 22903, USA
| | - Ping Zhang
- Department of Pediatric Dentistry, School of Dentistry, University of Alabama at Birmingham, Birmingham, AL 35294, USA.
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104
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Abstract
Since the receptor activator of nuclear factor-kappa B ligand (RANKL), its cognate receptor activator of nuclear factor-kappa B (RANK), and the decoy receptor osteoprotegerin (OPG) were discovered, a number of studies have uncovered the crucial role of the RANKL-RANK-OPG pathway in controlling the key aspect of bone homeostasis, the immune system, inflammation, cancer, and other systems under pathophysiological condition. These findings have expanded the understanding of the multifunctional biology of the RANKL-RANK-OPG pathway and led to the development of therapeutic potential targeting this pathway. The successful development and application of anti-RANKL antibody in treating diseases causing bone loss validates the utility of therapeutic approaches based on the modulation of this pathway. Moreover, recent studies have demonstrated the involvement of the RANKL-RANK pathway in osteoblast differentiation and bone formation, shedding light on the RANKL-RANK dual signaling in coupling bone resorption and bone formation. In this review, we will summarize the current understanding of the RANKL-RANK-OPG system in the context of the bone and the immune system as well as the impact of this pathway in disease conditions, including cancer development and metastasis.
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Affiliation(s)
- Noriko Takegahara
- Departments of Pathology and Laboratory Medicine, University of Pennsylvania School of Medicine, Philadelphia, PA, USA
| | - Hyunsoo Kim
- Departments of Pathology and Laboratory Medicine, University of Pennsylvania School of Medicine, Philadelphia, PA, USA
| | - Yongwon Choi
- Departments of Pathology and Laboratory Medicine, University of Pennsylvania School of Medicine, Philadelphia, PA, USA.
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105
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Ateeq H, Zia A, Husain Q, Khan MS, Ahmad M. Effect of inflammation on bones in diabetic patients with periodontitis via RANKL/OPG system-A review. J Diabetes Metab Disord 2022; 21:1003-1009. [PMID: 35673491 PMCID: PMC9167386 DOI: 10.1007/s40200-021-00960-7] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 09/17/2021] [Accepted: 12/14/2021] [Indexed: 01/31/2023]
Abstract
Purpose Diabetes mellitus and periodontitis are inflammatory diseases, the severity of inflammation results in the progression and persistence of both the disorders and affects bones. Diabetic complications aggravate in diabetic subjects having periodontitis; similarly, diabetic patients are more prone to developing gingivitis and periodontitis. Periodontal and diabetic inflammation disturbs bone homeostasis, which possibly involves both innate and adaptive immune responses. The pathogenic processes that link the two diseases are the focus of much research and it is likely that upregulated inflammation arising from each condition adversely affects the other. RANKL/OPG pathway plays a prominent role in periodontal and diabetic inflammation and bone resorption. Method This review article summarises the literature on the link between inflammatory cytokines and the prevalence of disturbed bone homeostasis in diabetic patients with periodontitis. An extensive search was done in PubMed, Scopus, Medline and Google Scholar databases between April 2003 and May 2021. Result A total of 27 articles, including pilot studies, case-control studies, cross-sectional studies, cohort studies, randomized control trials, longitudinal studies, descriptive studies and experimental studies, were included in our literature review. Conclusion Since RANKL/OPG are cytokines and have immune responses, regulating these cytokines expression will help control diabetes, periodontitis and bone homeostasis. The growing evidence of bone loss and increased fracture risk in diabetic patients with periodontitis makes it imperative that health professionals carry out planned treatment focusing on monitoring oral health in diabetic patients; bone markers should also be evaluated in patients with chronic periodontitis with an impaired glycemic state.
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Affiliation(s)
- Hira Ateeq
- Department of Biochemistry, Faculty of Life Sciences, Aligarh Muslim University, Aligarh-202002, India
- Dr. Ziauddin Ahmad Dental College, Aligarh Muslim University, Aligarh-202002, India
| | - Afaf Zia
- Dr. Ziauddin Ahmad Dental College, Aligarh Muslim University, Aligarh-202002, India
| | - Qayyum Husain
- Department of Biochemistry, Faculty of Life Sciences, Aligarh Muslim University, Aligarh-202002, India
| | - Mohd Sajid Khan
- Department of Biochemistry, Faculty of Life Sciences, Aligarh Muslim University, Aligarh-202002, India
| | - Mohd Ahmad
- Dr. Ziauddin Ahmad Dental College, Aligarh Muslim University, Aligarh-202002, India
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106
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Kim AR, Lim YJ, Jang WG. Zingerone stimulates osteoblast differentiation by increasing Smad1/5/9 mediated HO-1 expression in MC3T3-E1 cells and primary mouse calvarial cells. Clin Exp Pharmacol Physiol 2022; 49:1050-1058. [PMID: 35639082 DOI: 10.1111/1440-1681.13681] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/27/2021] [Revised: 04/06/2022] [Accepted: 05/01/2022] [Indexed: 11/30/2022]
Abstract
Zingerone (Zin) is a non-volatile compound found mainly in dried ginger. Zingerone increases the expression of osteogenic markers and has antioxidant effects. A previous study showed that zingerone accelerated osteoblast differentiation by suppressing the expression of Smad7, a member of the inhibitory Smad (I-Smad) family. However, it is not known if zingerone can induce osteoblast differentiation by regulating Smad1/5/9, a member of the receptor-regulated Smad (R-Smad) famlily. In addition, osteoblast differentiation induced by Smad1/5/9 mediated increases in the expression of heme oxygenase 1 (HO-1) has not been reported. This study investigated the effects of zingerone on osteoblast differentiation and confirmed the relationship between Smad1/5/9 and HO-1. Zingerone increased the expression of osteogenic genes including Runx2, Dlx5 and OC, and also promoted Smad1/5/9 phosphorylation. Interestingly, HO-1 expression was also elevated by zingerone, and an inhibitor of HO-1 (Sn(IV) protoporphyrin IX dichloride, SnPP) suppressed the zingerone-induced increase in HO-1 expression and expression of osteogenic marker genes such as Dlx5, Runx2, and OC. Protein phosphatase 2A Cα (PP2A Cα, an inhibitor of Smad1/5/9) suppressed the zingerone-induced increase in HO-1 expression and expression of osteogenic marker genes. The zingerone-induced increase in HO-1 lucifeerase activity was suppressed by PP2A Cα. Taken together, our data demonstrate that zingerone promotes osteoblast differentiation by increasing Smad1/5/9 mediated HO-1 expression.
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Affiliation(s)
- A-Rang Kim
- Department of Biotechnology, College of Engineering, Daegu University, Gyeongbuk, Republic of Korea.,Research Institute of Anti-Aging, Daegu University, Gyeongbuk, Republic of Korea
| | - Young-Ju Lim
- Department of Biotechnology, College of Engineering, Daegu University, Gyeongbuk, Republic of Korea.,Research Institute of Anti-Aging, Daegu University, Gyeongbuk, Republic of Korea
| | - Won-Gu Jang
- Department of Biotechnology, College of Engineering, Daegu University, Gyeongbuk, Republic of Korea.,Research Institute of Anti-Aging, Daegu University, Gyeongbuk, Republic of Korea
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107
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Ponicidin Treatment Improved the Cell Proliferation, Differentiation, and Calcium Mineralization on the Osteoblast-Like MG-63 Cells. Appl Biochem Biotechnol 2022; 194:3860-3870. [PMID: 35556208 DOI: 10.1007/s12010-022-03927-3] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 04/14/2022] [Indexed: 11/02/2022]
Abstract
Osteoporosis is a general bone-related ailment characterized by reduced bone density and quality, elevated bone fragility, and fractures. It was reported that both aged men and women has an increased risks of osteoporosis. The current research work focused to unveil the beneficial roles of ponicidin treatment in the proliferation and calcium deposition on the osteoblast-like MG-63 cells. The effect of 5 and 10 µg/ml of ponicidin on the cell proliferation was assessed. The viability of ponicidin-supplemented MG-63 cells was inspected by MTT test. The contents of osteocalcin, collagen, and ALP activity in the ponicidin administered cells were assessed by kits. The level of calcium mineralization was examined by ARS staining technique. The ponicidin treatment remarkably improved the proliferation of MG-63 cells. The ponicidin did not affect the MG-63 cells viability but promoted its viability 24- and 48-h treatment. The contents of osteocalcin, collagen, and ALP activity in the 5 and 10 µg/ml of ponicidin-supplemented MG-63 cells were found increased than the control cells. The ponicidin also increased the level of calcium deposition in MG-63 cells, which is assessed by ARS staining. In conclusion, it was clear that ponicidin improved the proliferation and calcium mineralization in a MG-63 cells. Therefore, it was clear that ponicidin has helpful roles on the new bone development as a hopeful therapeutic candidate to treat the bone-related disease like osteoporosis.
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108
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Dittmann KH, Mayer C, Stephan H, Mieth C, Bonin M, Lechmann B, Rodemann HP. Exposure of primary osteoblasts to combined magnetic and electric fields induced spatiotemporal endochondral ossification characteristic gene- and protein expression profiles. J Exp Orthop 2022; 9:39. [PMID: 35499653 PMCID: PMC9061914 DOI: 10.1186/s40634-022-00477-9] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 01/21/2022] [Accepted: 04/20/2022] [Indexed: 11/30/2022] Open
Abstract
Purpose Molecular processes in primary osteoblasts were analyzed in response to magnetic and electric field exposure to examine its potential impact on bone healing. Methods Primary osteoblasts were exposed to a combination of a magnetic field and an additional electric field (EFMF) (20 Hz, 700 mV, 5 mT, continuous sinusoids) in vitro. mRNA- and protein-expressions were assessed during a time interval of 21 days and compared with expression data obtained from control osteoblasts. Results We observed an autonomous osteoblast differentiation process in vitro under the chosen cultivation conditions. The initial proliferative phase was characterized by a constitutively high mRNA expression of extracellular matrix proteins. Concurrent EFMF exposure resulted in significanly increased cell proliferation (fold change: 1.25) and reduced mRNA-expressions of matrix components (0.5–0.75). The following reorganization of the extracellular matrix is prerequisite for matrix mineralization and is characterised by increased Ca2+ deposition (1.44). On molecular level EFMF exposure led to a significant decreased thrombospondin 1 (THBS1) mRNA- (0.81) and protein- (0.54) expression, which in turn reduced the TGFß1-dependent mRNA- (0.68) and protein- (0.5) expression of transforming growth factor beta induced (ßIG-H3) significantly, an inhibitor of endochondral ossification. Consequently, EFMF exposure stimulated the expression of genes characteristic for endochondral ossification, such as collagen type 10, A1 (1.50), osteopontin (1.50) and acellular communication network factor 3 (NOV) (1.45). Conclusions In vitro exposure of osteoblasts to EFMF supports cell differentiation and induces gene- and protein-expression patterns characteristic for endochondral ossification during bone fracture healing in vivo. Supplementary Information The online version contains supplementary material available at 10.1186/s40634-022-00477-9.
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109
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Zhang Y, Polman M, Mohammad AF, Hermens I, Zhuang Z, Wang H, van den Beucken JJJP. Species-independent stimulation of osteogenic differentiation induced by osteoclasts. Biochem Biophys Res Commun 2022; 606:149-155. [DOI: 10.1016/j.bbrc.2022.03.115] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/21/2022] [Revised: 03/21/2022] [Accepted: 03/22/2022] [Indexed: 12/26/2022]
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110
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Simulation on bone remodeling with stochastic nature of adult and elderly using topology optimization algorithm. J Biomech 2022; 136:111078. [DOI: 10.1016/j.jbiomech.2022.111078] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/26/2021] [Revised: 03/30/2022] [Accepted: 03/31/2022] [Indexed: 11/20/2022]
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111
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Shroff R, Lalayiannis AD, Fewtrell M, Schmitt CP, Bayazit A, Askiti V, Jankauskiene A, Bacchetta J, Silva S, Goodman N, McAlister L, Biassoni L, Crabtree N, Rahn A, Fischer DC, Heuser A, Kolevica A, Eisenhauer A. Naturally occurring stable calcium isotope ratios are a novel biomarker of bone calcium balance in chronic kidney disease. Kidney Int 2022; 102:613-623. [DOI: 10.1016/j.kint.2022.04.024] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/03/2022] [Revised: 04/10/2022] [Accepted: 04/18/2022] [Indexed: 11/28/2022]
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112
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Abstract
Disuse osteoporosis describes a state of bone loss due to local skeletal unloading or systemic immobilization. This review will discuss advances in the field that have shed light on clinical observations, mechanistic insights and options for the treatment of disuse osteoporosis. Clinical settings of disuse osteoporosis include spinal cord injury, other neurological and neuromuscular disorders, immobilization after fractures and bed rest (real or modeled). Furthermore, spaceflight-induced bone loss represents a well-known adaptive process to microgravity. Clinical studies have outlined that immobilization leads to immediate bone loss in both the trabecular and cortical compartments accompanied by relatively increased bone resorption and decreased bone formation. The fact that the low bone formation state has been linked to high levels of the osteocyte-secreted protein sclerostin is one of the many findings that has brought matrix-embedded, mechanosensitive osteocytes into focus in the search for mechanistic principles. Previous basic research has primarily involved rodent models based on tail suspension, spaceflight and other immobilization methods, which have underlined the importance of osteocytes in the pathogenesis of disuse osteoporosis. Furthermore, molecular-based in vitro and in vivo approaches have revealed that osteocytes sense mechanical loading through mechanosensors that translate extracellular mechanical signals to intracellular biochemical signals and regulate gene expression. Osteocytic mechanosensors include the osteocyte cytoskeleton and dendritic processes within the lacuno-canalicular system (LCS), ion channels (e.g., Piezo1), extracellular matrix, primary cilia, focal adhesions (integrin-based) and hemichannels and gap junctions (connexin-based). Overall, disuse represents one of the major factors contributing to immediate bone loss and osteoporosis, and alterations in osteocytic pathways appear crucial to the bone loss associated with unloading.
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Affiliation(s)
- Tim Rolvien
- Division of Orthopaedics, Department of Trauma and Orthopaedic Surgery, University Medical Center Hamburg-Eppendorf, Martinistrasse 52, 20246, Hamburg, Germany.
| | - Michael Amling
- Department of Osteology and Biomechanics, University Medical Center Hamburg-Eppendorf, Lottestrasse 59, 22529, Hamburg, Germany.
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113
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Yuan G, Yang S. Effect of Regulator of G Protein Signaling Proteins on Bone. Front Endocrinol (Lausanne) 2022; 13:842421. [PMID: 35573989 PMCID: PMC9098968 DOI: 10.3389/fendo.2022.842421] [Citation(s) in RCA: 6] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 12/23/2021] [Accepted: 04/01/2022] [Indexed: 01/08/2023] Open
Abstract
Regulator of G protein signaling (RGS) proteins are critical negative molecules of G protein-coupled receptor (GPCR) signaling, which mediates a variety of biological processes in bone homeostasis and diseases. The RGS proteins are divided into nine subfamilies with a conserved RGS domain which plays an important role in regulating the GTPase activity. Mutations of some RGS proteins change bone development and/or metabolism, causing osteopathy. In this review, we summarize the recent findings of RGS proteins in regulating osteoblasts, chondrocytes, and osteoclasts. We also highlight the impacts of RGS on bone development, bone remodeling, and bone-related diseases. Those studies demonstrate that RGS proteins might be potential drug targets for bone diseases.
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Affiliation(s)
- Gongsheng Yuan
- Department of Basic and Translational Sciences, Penn Dental Medicine, University of Pennsylvania, Philadelphia, PA, United States
| | - Shuying Yang
- Department of Basic and Translational Sciences, Penn Dental Medicine, University of Pennsylvania, Philadelphia, PA, United States
- The Penn Center for Musculoskeletal Disorders, Penn Medicine, University of Pennsylvania, Philadelphia, PA, United States
- Center for Innovation and Precision Dentistry, Penn Dental Medicine, School of Engineering and Applied Sciences, University of Pennsylvania, Philadelphia, PA, United States
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114
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Hoenig T, Ackerman KE, Beck BR, Bouxsein ML, Burr DB, Hollander K, Popp KL, Rolvien T, Tenforde AS, Warden SJ. Bone stress injuries. Nat Rev Dis Primers 2022; 8:26. [PMID: 35484131 DOI: 10.1038/s41572-022-00352-y] [Citation(s) in RCA: 43] [Impact Index Per Article: 21.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Accepted: 03/11/2022] [Indexed: 01/11/2023]
Abstract
Bone stress injuries, including stress fractures, are overuse injuries that lead to substantial morbidity in active individuals. These injuries occur when excessive repetitive loads are introduced to a generally normal skeleton. Although the precise mechanisms for bone stress injuries are not completely understood, the prevailing theory is that an imbalance in bone metabolism favours microdamage accumulation over its removal and replacement with new bone via targeted remodelling. Diagnosis is achieved by a combination of patient history and physical examination, with imaging used for confirmation. Management of bone stress injuries is guided by their location and consequent risk of healing complications. Bone stress injuries at low-risk sites typically heal with activity modification followed by progressive loading and return to activity. Additional treatment approaches include non-weight-bearing immobilization, medications or surgery, but these approaches are usually limited to managing bone stress injuries that occur at high-risk sites. A comprehensive strategy that integrates anatomical, biomechanical and biological risk factors has the potential to improve the understanding of these injuries and aid in their prevention and management.
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Affiliation(s)
- Tim Hoenig
- Department of Trauma and Orthopaedic Surgery, University Medical Center Hamburg-Eppendorf, Hamburg, Germany.
| | - Kathryn E Ackerman
- Wu Tsai Female Athlete Program, Boston Children's Hospital, Boston, MA, USA.,Endocrine Unit, Massachusetts General Hospital, Harvard Medical School, Boston, MA, USA
| | - Belinda R Beck
- School of Health Sciences & Social Work, Griffith University, Gold Coast, Queensland, Australia.,Menzies Health Institute Queensland, Gold Coast, Queensland, Australia.,The Bone Clinic, Brisbane, Queensland, Australia
| | - Mary L Bouxsein
- Endocrine Unit, Massachusetts General Hospital, Harvard Medical School, Boston, MA, USA.,Department of Orthopedic Surgery, Harvard Medical School and Center for Advanced Orthopedic Studies, Beth Israel Deaconess Medical Center, Boston, MA, USA
| | - David B Burr
- Department of Anatomy, Cell Biology, and Physiology, Indiana University School of Medicine, Indiana University, Indianapolis, IN, USA.,Indiana Center for Musculoskeletal Health, Indiana University School of Medicine, Indiana University, Indianapolis, IN, USA
| | - Karsten Hollander
- Institute of Interdisciplinary Exercise Science and Sports Medicine, MSH Medical School Hamburg, Hamburg, Germany
| | - Kristin L Popp
- Endocrine Unit, Massachusetts General Hospital, Harvard Medical School, Boston, MA, USA.,U.S. Army Research Institute of Environmental Medicine, Natick, MA, USA
| | - Tim Rolvien
- Department of Trauma and Orthopaedic Surgery, University Medical Center Hamburg-Eppendorf, Hamburg, Germany
| | - Adam S Tenforde
- Spaulding Rehabilitation Hospital, Department of Physical Medicine and Rehabilitation, Harvard Medical School, Charlestown, MA, USA.
| | - Stuart J Warden
- Indiana Center for Musculoskeletal Health, Indiana University School of Medicine, Indiana University, Indianapolis, IN, USA. .,Department of Physical Therapy, School of Health & Human Sciences, Indiana University, Indianapolis, IN, USA. .,La Trobe Sport and Exercise Medicine Research Centre, La Trobe University, Bundoora, Victoria, Australia.
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115
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Iwamoto R, Koide M, Udagawa N, Kobayashi Y. Positive and Negative Regulators of Sclerostin Expression. Int J Mol Sci 2022; 23:ijms23094895. [PMID: 35563281 PMCID: PMC9102037 DOI: 10.3390/ijms23094895] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/11/2022] [Revised: 04/27/2022] [Accepted: 04/27/2022] [Indexed: 02/04/2023] Open
Abstract
Sclerostin is secreted from osteocytes, binds to the Wnt co-receptor Lrp5/6, and affects the interaction between Wnt ligands and Lrp5/6, which inhibits Wnt/β-catenin signals and suppresses bone formation. Sclerostin plays an important role in the preservation of bone mass by functioning as a negative regulator of bone formation. A sclerostin deficiency causes sclerosteosis, which is characterized by an excess bone mass with enhanced bone formation in humans and mice. The expression of sclerostin is positively and negatively regulated by many factors, which also govern bone metabolism. Positive and negative regulators of sclerostin expression and their effects are introduced and discussed herein based on recent and previous findings, including our research.
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Affiliation(s)
- Rina Iwamoto
- Division of Hard Tissue Research, Institute for Oral Science, Matsumoto Dental University, 1780 Gobara Hiro-oka, Shiojiri 399-0781, Nagano, Japan; (R.I.); (M.K.)
| | - Masanori Koide
- Division of Hard Tissue Research, Institute for Oral Science, Matsumoto Dental University, 1780 Gobara Hiro-oka, Shiojiri 399-0781, Nagano, Japan; (R.I.); (M.K.)
| | - Nobuyuki Udagawa
- Department of Biochemistry, Matsumoto Dental University, 1780 Gobara Hiro-oka, Shiojiri 399-0781, Nagano, Japan;
| | - Yasuhiro Kobayashi
- Division of Hard Tissue Research, Institute for Oral Science, Matsumoto Dental University, 1780 Gobara Hiro-oka, Shiojiri 399-0781, Nagano, Japan; (R.I.); (M.K.)
- Correspondence: ; Tel.: +81-263-51-2238
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116
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Greene ES, Abdelli N, Dridi JS, Dridi S. Avian Neuropeptide Y: Beyond Feed Intake Regulation. Vet Sci 2022; 9:171. [PMID: 35448669 PMCID: PMC9028514 DOI: 10.3390/vetsci9040171] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/02/2022] [Revised: 03/28/2022] [Accepted: 03/29/2022] [Indexed: 11/16/2022] Open
Abstract
Neuropeptide Y (NPY) is one of the most abundant and ubiquitously expressed neuropeptides in both the central and peripheral nervous systems, and its regulatory effects on feed intake and appetite- have been extensively studied in a wide variety of animals, including mammalian and non-mammalian species. Indeed, NPY has been shown to be involved in the regulation of feed intake and energy homeostasis by exerting stimulatory effects on appetite and feeding behavior in several species including chickens, rabbits, rats and mouse. More recent studies have shown that this neuropeptide and its receptors are expressed in various peripheral tissues, including the thyroid, heart, spleen, adrenal glands, white adipose tissue, muscle and bone. Although well researched centrally, studies investigating the distribution and function of peripherally expressed NPY in avian (non-mammalian vertebrates) species are very limited. Thus, peripherally expressed NPY merits more consideration and further in-depth exploration to fully elucidate its functions, especially in non-mammalian species. The aim of the current review is to provide an integrated synopsis of both centrally and peripherally expressed NPY, with a special focus on the distribution and function of the latter.
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Affiliation(s)
- Elizabeth S. Greene
- Department of Poultry Science, University of Arkansas, Fayetteville, AR 72701, USA; (E.S.G.); (N.A.)
| | - Nedra Abdelli
- Department of Poultry Science, University of Arkansas, Fayetteville, AR 72701, USA; (E.S.G.); (N.A.)
- Animal Nutrition and Welfare Service, Department of Animal and Food Sciences, Universitat Autònoma de Barcelona, 08193 Bellaterra, Spain
| | - Jalila S. Dridi
- École Universitaire de Kinésithérapie, Université d’Orléans, Rue de Chartres, 45100 Orleans, France;
| | - Sami Dridi
- Department of Poultry Science, University of Arkansas, Fayetteville, AR 72701, USA; (E.S.G.); (N.A.)
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Usategui-Martín R, Rigual R, Ruiz-Mambrilla M, Fernández-Gómez JM, Dueñas A, Pérez-Castrillón JL. Molecular Mechanisms Involved in Hypoxia-Induced Alterations in Bone Remodeling. Int J Mol Sci 2022; 23:ijms23063233. [PMID: 35328654 PMCID: PMC8953213 DOI: 10.3390/ijms23063233] [Citation(s) in RCA: 14] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/25/2022] [Revised: 03/11/2022] [Accepted: 03/15/2022] [Indexed: 12/31/2022] Open
Abstract
Bone is crucial for the support of muscles and the protection of vital organs, and as a reservoir of calcium and phosphorus. Bone is one of the most metabolically active tissues and is continuously renewed to adapt to the changes required for healthy functioning. To maintain normal cellular and physiological bone functions sufficient oxygen is required, as evidence has shown that hypoxia may influence bone health. In this scenario, this review aimed to analyze the molecular mechanisms involved in hypoxia-induced bone remodeling alterations and their possible clinical consequences. Hypoxia has been associated with reduced bone formation and reduced osteoblast matrix mineralization due to the hypoxia environment inhibiting osteoblast differentiation. A hypoxic environment is involved with increased osteoclastogenesis and increased bone resorptive capacity of the osteoclasts. Clinical studies, although with contradictory results, have shown that hypoxia can modify bone remodeling.
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Affiliation(s)
- Ricardo Usategui-Martín
- Department of Cell Biology, Histology and Pharmacology, Faculty of Medicine, University of Valladolid, 47003 Valladolid, Spain;
- IOBA, University of Valladolid, 47011 Valladolid, Spain
- Correspondence: (R.U.-M.); (J.L.P.-C.)
| | - Ricardo Rigual
- Department of Biochemistry, Molecular Biology and Physiology, Faculty of Medicine, University of Valladolid, 47003 Valladolid, Spain;
- IBGM, University of Valladolid, 47003 Valladolid, Spain
| | - Marta Ruiz-Mambrilla
- Department of Surgery, Faculty of Medicine, University of Valladolid, 47003 Valladolid, Spain;
| | - José-María Fernández-Gómez
- Department of Cell Biology, Histology and Pharmacology, Faculty of Medicine, University of Valladolid, 47003 Valladolid, Spain;
| | - Antonio Dueñas
- Department of Medicine, Faculty of Medicine, University of Valladolid, 47003 Valladolid, Spain;
- Department of Toxicology, Río Hortega University Hospital, 47012 Valladolid, Spain
| | - José Luis Pérez-Castrillón
- Department of Medicine, Faculty of Medicine, University of Valladolid, 47003 Valladolid, Spain;
- Department of Internal Medicine, Río Hortega University Hospital, 47012 Valladolid, Spain
- Correspondence: (R.U.-M.); (J.L.P.-C.)
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Uehara S, Mukai H, Yamashita T, Koide M, Murakami K, Udagawa N, Kobayashi Y. Inhibitor of protein kinase N3 suppresses excessive bone resorption in ovariectomized mice. J Bone Miner Metab 2022; 40:251-261. [PMID: 35028715 DOI: 10.1007/s00774-021-01296-1] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 07/23/2021] [Accepted: 11/15/2021] [Indexed: 11/25/2022]
Abstract
INTRODUCTION The long-term inhibition of bone resorption suppresses new bone formation because these processes are coupled during physiological bone remodeling. The development of anti-bone-resorbing agents that do not suppress bone formation is urgently needed. We previously demonstrated that Wnt5a-Ror2 signaling in mature osteoclasts promoted bone-resorbing activity through protein kinase N3 (Pkn3). The p38 MAPK inhibitor SB202190 reportedly inhibited Pkn3 with a low Ki value (0.004 μM). We herein examined the effects of SB202190 on osteoclast differentiation and function in vitro and in vivo. MATERIALS AND METHODS Bone marrow cells were cultured in the presence of M-csf and GST-Rankl to differentiate into multinucleated osteoclasts. Osteoclasts were treated with increasing concentrations of SB202190. For in vivo study, 10-week-old female mice were subjected to ovariectomy (OVX). OVX mice were intraperitoneally administered with a Pkn3 inhibitor at 2 mg/kg or vehicle for 4 weeks, and bone mass was analyzed by micro-CT. RESULTS SB202190 suppressed the auto-phosphorylation of Pkn3 in osteoclast cultures. SB202190 significantly inhibited the formation of resorption pits in osteoclast cultures by suppressing actin ring formation. SB202190 reduced c-Src activity in osteoclast cultures without affecting the interaction between Pkn3 and c-Src. A treatment with SB202190 attenuated OVX-induced bone loss without affecting the number of osteoclasts or bone formation by osteoblasts. CONCLUSIONS Our results showed that Pkn3 has potential as a therapeutic target for bone loss due to increased bone resorption. SB202190 is promising as a lead compound for the development of novel anti-bone-resorbing agents.
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Affiliation(s)
- Shunsuke Uehara
- Department of Biochemistry, Matsumoto Dental University, Nagano, 399-0781, Japan
| | - Hideyuki Mukai
- Biosignal Research Center, Kobe University, Hyogo, 657-8501, Japan
- Department of Clinical Laboratory, Kitano Hospital, Osaka, 530-8480, Japan
| | - Teruhito Yamashita
- Institute for Oral Science, Matsumoto Dental University, 1780 Gobara, Hiro-oka , Shiojiri-shi, Nagano, 399-0781, Japan
| | - Masanori Koide
- Institute for Oral Science, Matsumoto Dental University, 1780 Gobara, Hiro-oka , Shiojiri-shi, Nagano, 399-0781, Japan
| | - Kohei Murakami
- Laboratory of Immunology, Faculty of Veterinary Medicine, Okayama University of Science, Ehime, 794-8555, Japan
| | - Nobuyuki Udagawa
- Department of Biochemistry, Matsumoto Dental University, Nagano, 399-0781, Japan
| | - Yasuhiro Kobayashi
- Institute for Oral Science, Matsumoto Dental University, 1780 Gobara, Hiro-oka , Shiojiri-shi, Nagano, 399-0781, Japan.
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Abstract
In this issue of Cell Metabolism, Lu et al. show that chronic liver disease increases the expression and activity of PP2Ac, a phosphatase that downregulates the excretion of lecithin-cholesterol aceyltransferase (LCAT). LCAT, a liver-derived enzyme, protects bone and prevents bone loss, and its lowered levels in progressive liver injury cause hepatic osteodystrophy (HOD) and worsen liver fibrosis. These discoveries open the possibility that recombinant LCAT may be a treatment for both HOD and liver fibrosis.
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Affiliation(s)
- Mone Zaidi
- Mount Sinai Bone Program and Center for Translational Medicine and Pharmacology, Icahn School of Medicine at Mount Sinai, New York, NY 10029, USA.
| | - Tony Yuen
- Mount Sinai Bone Program and Center for Translational Medicine and Pharmacology, Icahn School of Medicine at Mount Sinai, New York, NY 10029, USA
| | - Jameel Iqbal
- Mount Sinai Bone Program and Center for Translational Medicine and Pharmacology, Icahn School of Medicine at Mount Sinai, New York, NY 10029, USA
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Zou Z, He T, Liu Y, Zheng L, Zhong Y, Mo Y, Peng S, Shuai C. Emerging role of m6A modification in osteogenesis of stem cells. J Bone Miner Metab 2022; 40:177-188. [PMID: 35091784 DOI: 10.1007/s00774-021-01297-0] [Citation(s) in RCA: 6] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 09/06/2021] [Accepted: 11/20/2021] [Indexed: 12/19/2022]
Abstract
The differentiation of stem cells into osteoblasts is a key link in the treatment of bone defects and other orthopedic diseases. N6-methyladenosine (m6A) modification, an important post-transcriptional modification, is a methylation that occurs at the N6 site of RNA adenylate. The modification plays a regulatory role in the growth and development of biological individuals, the directional differentiation of stem cells and the occurrence of diseases. It is involved in various processes of the fate decision of stem cells. And it regulates the development and constant renewal of bone and keeps bone homeostasis by controlling and maintaining the balance between osteogenesis and adipogenesis. Meanwhile, it also affects the progress of orthopedic-associated diseases such as degenerative osteoporosis and bone tumor. In this review, we mainly summarize the new findings of three key molecules including Writers, Erasers and Readers which regulate m6A modification, and the emerging role of m6A modification in determining the fate and directed differentiation potential of stem cells, especially highlight the regulatory mechanism of osteogenic differentiation, the balance between osteogenesis and adipogenesis and the occurrence and development of bone-related diseases. It may provide some important ideas about finding new strategies to recover from bone defect and degenerative bone disease.
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Affiliation(s)
- Zi Zou
- NHC Key Laboratory of Carcinogenesis and Hunan Key Laboratory of Cancer Metabolism of Hunan Cancer Hospital and the Affiliated Cancer Hospital of Xiangya School of Medicine, Central South University, Changsha, 410013, Hunan, China
- The Key Laboratory of Carcinogenesis and Cancer Invasion of the Chinese Ministry of Education, Cancer Research Institute, School of Basic Medical Science, Central South University, Changsha, 410078, Hunan, China
- Hunan Key Laboratory of Non Resolving Inflammation and Cancer, Disease Genome Research Center, The Third Xiangya Hospital, Central South University, Changsha, 410013, Hunan, China
| | - Tiantian He
- NHC Key Laboratory of Carcinogenesis and Hunan Key Laboratory of Cancer Metabolism of Hunan Cancer Hospital and the Affiliated Cancer Hospital of Xiangya School of Medicine, Central South University, Changsha, 410013, Hunan, China
- The Key Laboratory of Carcinogenesis and Cancer Invasion of the Chinese Ministry of Education, Cancer Research Institute, School of Basic Medical Science, Central South University, Changsha, 410078, Hunan, China
- Hunan Key Laboratory of Non Resolving Inflammation and Cancer, Disease Genome Research Center, The Third Xiangya Hospital, Central South University, Changsha, 410013, Hunan, China
| | - Ying Liu
- NHC Key Laboratory of Carcinogenesis and Hunan Key Laboratory of Cancer Metabolism of Hunan Cancer Hospital and the Affiliated Cancer Hospital of Xiangya School of Medicine, Central South University, Changsha, 410013, Hunan, China
- The Key Laboratory of Carcinogenesis and Cancer Invasion of the Chinese Ministry of Education, Cancer Research Institute, School of Basic Medical Science, Central South University, Changsha, 410078, Hunan, China
- Hunan Key Laboratory of Non Resolving Inflammation and Cancer, Disease Genome Research Center, The Third Xiangya Hospital, Central South University, Changsha, 410013, Hunan, China
| | - Leliang Zheng
- NHC Key Laboratory of Carcinogenesis and Hunan Key Laboratory of Cancer Metabolism of Hunan Cancer Hospital and the Affiliated Cancer Hospital of Xiangya School of Medicine, Central South University, Changsha, 410013, Hunan, China
- The Key Laboratory of Carcinogenesis and Cancer Invasion of the Chinese Ministry of Education, Cancer Research Institute, School of Basic Medical Science, Central South University, Changsha, 410078, Hunan, China
- Hunan Key Laboratory of Non Resolving Inflammation and Cancer, Disease Genome Research Center, The Third Xiangya Hospital, Central South University, Changsha, 410013, Hunan, China
| | - Yancheng Zhong
- NHC Key Laboratory of Carcinogenesis and Hunan Key Laboratory of Cancer Metabolism of Hunan Cancer Hospital and the Affiliated Cancer Hospital of Xiangya School of Medicine, Central South University, Changsha, 410013, Hunan, China
- The Key Laboratory of Carcinogenesis and Cancer Invasion of the Chinese Ministry of Education, Cancer Research Institute, School of Basic Medical Science, Central South University, Changsha, 410078, Hunan, China
- Hunan Key Laboratory of Non Resolving Inflammation and Cancer, Disease Genome Research Center, The Third Xiangya Hospital, Central South University, Changsha, 410013, Hunan, China
| | - Yuqing Mo
- NHC Key Laboratory of Carcinogenesis and Hunan Key Laboratory of Cancer Metabolism of Hunan Cancer Hospital and the Affiliated Cancer Hospital of Xiangya School of Medicine, Central South University, Changsha, 410013, Hunan, China
- The Key Laboratory of Carcinogenesis and Cancer Invasion of the Chinese Ministry of Education, Cancer Research Institute, School of Basic Medical Science, Central South University, Changsha, 410078, Hunan, China
- Hunan Key Laboratory of Non Resolving Inflammation and Cancer, Disease Genome Research Center, The Third Xiangya Hospital, Central South University, Changsha, 410013, Hunan, China
| | - Shuping Peng
- NHC Key Laboratory of Carcinogenesis and Hunan Key Laboratory of Cancer Metabolism of Hunan Cancer Hospital and the Affiliated Cancer Hospital of Xiangya School of Medicine, Central South University, Changsha, 410013, Hunan, China.
- The Key Laboratory of Carcinogenesis and Cancer Invasion of the Chinese Ministry of Education, Cancer Research Institute, School of Basic Medical Science, Central South University, Changsha, 410078, Hunan, China.
- Hunan Key Laboratory of Non Resolving Inflammation and Cancer, Disease Genome Research Center, The Third Xiangya Hospital, Central South University, Changsha, 410013, Hunan, China.
| | - Cijun Shuai
- Institute of Additive Manufacturing, Jiangxi University of Science and Technology, Nanchang, 330013, China.
- State Key Laboratory of High Performance Complex Manufacturing, Central South University, Changsha, 410083, China.
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Estrogen-mediated downregulation of HIF-1α signaling in B lymphocytes influences postmenopausal bone loss. Bone Res 2022; 10:15. [PMID: 35177582 PMCID: PMC8854586 DOI: 10.1038/s41413-022-00189-x] [Citation(s) in RCA: 12] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/15/2021] [Revised: 10/18/2021] [Accepted: 12/07/2021] [Indexed: 12/13/2022] Open
Abstract
In the bone marrow, B cells and bone-resorbing osteoclasts colocalize and form a specific microenvironment. How B cells functionally influence osteoclasts and bone architecture is poorly understood. Using genetically modified mice and high-throughput analyses, we demonstrate that prolonged HIF-1α signaling in B cells leads to enhanced RANKL production and osteoclast formation. In addition, deletion of HIF-1α in B cells prevents estrogen deficiency-induced bone loss in mice. Mechanistically, estrogen controls HIF-1α protein stabilization through HSP70-mediated degradation in bone marrow B cells. The stabilization of HIF-1α protein in HSP70-deficient bone marrow B cells promotes RANKL production and osteoclastogenesis. Induction of HSP70 expression by geranylgeranylacetone (GGA) administration alleviates ovariectomy-induced osteoporosis. Moreover, RANKL gene expression has a positive correlation with HIF1A expression in human B cells. In conclusion, HIF-1α signaling in B cells is crucial for the control of osteoclastogenesis, and the HSP70/HIF-1α axis may serve as a new therapeutic target for osteoporosis.
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Dong M, Zeng J, Yang C, Qiu Y, Wang X. Asiatic Acid Attenuates Osteoporotic Bone Loss in Ovariectomized Mice Through Inhibiting NF-kappaB/MAPK/ Protein Kinase B Signaling Pathway. Front Pharmacol 2022; 13:829741. [PMID: 35211021 PMCID: PMC8861314 DOI: 10.3389/fphar.2022.829741] [Citation(s) in RCA: 6] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/06/2021] [Accepted: 01/17/2022] [Indexed: 02/04/2023] Open
Abstract
Osteoporosis is a condition associated with osteolytic bone disease that is primarily characterized by inordinate osteoclast activation. Protein kinase B (Akt) pathways activated by receptor activator of nuclear factor kappa-B ligand (RANKL) are essential for osteoclastogenesis. Asiatic acid (AA) is a natural pentacyclic triterpenoid compound extracted from a traditional Chinese herb that exhibits a wide range of biological activities. AA has been found to alleviate the hypertrophic and fibrotic phenotype of chondrocytes via the Akt signaling pathway. In this study, we investigated whether AA alleviated bone loss by inhibiting the Akt signaling pathway during osteoclastogenesis and its effect on osteoblasts. The effect of AA cytotoxicity on mouse bone marrow-derived macrophages/monocytes (BMMs) was evaluated in vitro using a Cell Counting Kit-8 assay. The effects of AA on osteoclast differentiation and function were detected using tartrate-resistant acid phosphatase (TRAP) staining and a pit formation assay. A Western blot and qRT-PCR were conducted to evaluate the expression of osteoclast-specific genes and protein signaling molecules. In addition, alkaline phosphatase and alizarin red staining were performed to assess osteoblast differentiation and mineralization. The bone protective effect of AA was investigated in vivo using ovariectomized mice. we found that AA could dose-dependently inhibit RANKL-induced osteoclastogenesis. Moreover, the pit formation assay revealed that osteoclast function was suppressed by treatment with AA. Moreover, the expression of osteoclast-specific genes was found to be substantially decreased during osteoclastogenesis. Analysis of the molecular mechanisms showed that AA could inhibit NF-kappaB/MAPK/Akt signaling pathway, as well as the downstream factors of NFATc1 in the osteoclast signaling pathway activated by RANKL. However, AA did not significantly promote osteoblast differentiation and mineralization. The in vivo experiments suggested that AA could alleviate ovariectomy-induced bone loss in ovariectomized mice. Our results demonstrate that AA can inhibit osteoclastogenesis and prevent ovariectomy-induced bone loss by inhibiting the NF-kappaB/MAPK/Akt signaling pathway. The discovery of the new molecular mechanism that AA inhibits osteoclastogenesis provides essential evidence to support the use of AA as a potential drug for the treatment of osteoclast-related diseases.
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Affiliation(s)
- Mingming Dong
- Department of Spine Surgery, The Second Affiliated Hospital, Shantou University Medical College, Shantou, China
| | - Jican Zeng
- Department of Spine Surgery, The Second Affiliated Hospital, Shantou University Medical College, Shantou, China
| | - Chenyu Yang
- Department of Spine Surgery, The Second Affiliated Hospital, Shantou University Medical College, Shantou, China
| | - Yisen Qiu
- Department of Spine Surgery, The Second Affiliated Hospital, Shantou University Medical College, Shantou, China
| | - Xinjia Wang
- Department of Spine Surgery, The Second Affiliated Hospital, Shantou University Medical College, Shantou, China
- Department of Orthopedic, Affiliated Cancer Hospital, Shantou University Medical College, Shantou, China
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Inhibition of Semaphorin 4D/Plexin-B1 signaling inhibits the subchondral bone loss in early-stage osteoarthritis of the temporomandibular joint. Arch Oral Biol 2022; 135:105365. [DOI: 10.1016/j.archoralbio.2022.105365] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/07/2021] [Revised: 01/29/2022] [Accepted: 01/31/2022] [Indexed: 12/30/2022]
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Deng W, Ding Z, Wang Y, Zou B, Zheng J, Tan Y, Yang Q, Ke M, Chen Y, Wang S, Li X. Dendrobine attenuates osteoclast differentiation through modulating ROS/NFATc1/ MMP9 pathway and prevents inflammatory bone destruction. PHYTOMEDICINE : INTERNATIONAL JOURNAL OF PHYTOTHERAPY AND PHYTOPHARMACOLOGY 2022; 96:153838. [PMID: 34801352 DOI: 10.1016/j.phymed.2021.153838] [Citation(s) in RCA: 19] [Impact Index Per Article: 9.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/27/2021] [Revised: 10/08/2021] [Accepted: 10/27/2021] [Indexed: 06/13/2023]
Abstract
BACKGROUND Osteolytic diseases share symptoms such as bone loss, fracture and pain, which are caused by over-activated osteoclasts. Targeting osteoclast differentiation has emerged as a therapeutic strategy clinically. Dendrobine is an alkaloid isolated from Chinese herb Dendrobium nobile, with knowing effects of analgesia and anti-inflammation. The roles of dendrobine on osteoclasts and osteolysis remain unclear. PURPOSE Herein, the possible roles of dendrobine in osteoclastogenesis, inflammatory osteolysis and the underlying mechanism were explored. METHODS Bone marrow-derived macrophages (BMMs) and RAW264.7 cells were employed to evaluate the roles of dendrobine on osteoclastogenesis, bone absorption and the underlying mechanism in vitro. LPS injection was used to cause inflammatory osteolysis in vivo. RESULTS Dendrobine repressed osteoclastogenesis, bone resorption induced by receptor activator of nuclear factor kappa B ligand (RANKL) in vitro. Mechanistically, dendrobine inhibited RANKL-upregulated intracellular (ROS), p-p38, c-Fos expression and nuclear factor of activated T cells (NFATc1) nuclear translocation. Osteoclastic genes were reduced, and among them matrix metalloproteinase 9 (MMP9) mRNA was dramatically blocked by dendrobine. Moreover, it substantially suppressed MMP9 protein expression during osteoclastogenesis in vitro. Accordingly, oral 20 mg/kg/day dendrobine was capable of preventing LPS-induced osteolysis with decreased osteoclasts in vivo. CONCLUSION Taken together, dendrobine suppresses osteoclastogenesis through restraining ROS, p38-c-Fos and NFATc1-MMP9 in vitro, thus attenuates inflammatory osteolysis in vivo. This finding supports the discover of dendrobine as a novel osteoclast inhibitor for impeding bone erosion in the future.
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Affiliation(s)
- Wende Deng
- Laboratory of Anti-inflammatory and Immunomodulatory Pharmacology, School of Pharmaceutical Sciences, Southern Medical University, Guangzhou 510515, China; Guangdong Provincial Key Laboratory of New Drug Screening, School of Pharmaceutical Sciences, Southern Medical University, Guangzhou 510515, China
| | - Zongbao Ding
- Laboratory of Anti-inflammatory and Immunomodulatory Pharmacology, School of Pharmaceutical Sciences, Southern Medical University, Guangzhou 510515, China; Guangdong Provincial Key Laboratory of New Drug Screening, School of Pharmaceutical Sciences, Southern Medical University, Guangzhou 510515, China
| | - Yiyuan Wang
- Laboratory of Anti-inflammatory and Immunomodulatory Pharmacology, School of Pharmaceutical Sciences, Southern Medical University, Guangzhou 510515, China; Guangdong Provincial Key Laboratory of New Drug Screening, School of Pharmaceutical Sciences, Southern Medical University, Guangzhou 510515, China
| | - Binhua Zou
- Laboratory of Anti-inflammatory and Immunomodulatory Pharmacology, School of Pharmaceutical Sciences, Southern Medical University, Guangzhou 510515, China; Guangdong Provincial Key Laboratory of New Drug Screening, School of Pharmaceutical Sciences, Southern Medical University, Guangzhou 510515, China
| | - Jiehuang Zheng
- Laboratory of Anti-inflammatory and Immunomodulatory Pharmacology, School of Pharmaceutical Sciences, Southern Medical University, Guangzhou 510515, China; Guangdong Provincial Key Laboratory of New Drug Screening, School of Pharmaceutical Sciences, Southern Medical University, Guangzhou 510515, China
| | - Yanhui Tan
- Laboratory of Anti-inflammatory and Immunomodulatory Pharmacology, School of Pharmaceutical Sciences, Southern Medical University, Guangzhou 510515, China; Guangdong Provincial Key Laboratory of New Drug Screening, School of Pharmaceutical Sciences, Southern Medical University, Guangzhou 510515, China
| | - Qin Yang
- Laboratory of Anti-inflammatory and Immunomodulatory Pharmacology, School of Pharmaceutical Sciences, Southern Medical University, Guangzhou 510515, China; Guangdong Provincial Key Laboratory of New Drug Screening, School of Pharmaceutical Sciences, Southern Medical University, Guangzhou 510515, China
| | - Minhong Ke
- Laboratory of Anti-inflammatory and Immunomodulatory Pharmacology, School of Pharmaceutical Sciences, Southern Medical University, Guangzhou 510515, China; Guangdong Provincial Key Laboratory of New Drug Screening, School of Pharmaceutical Sciences, Southern Medical University, Guangzhou 510515, China
| | - Yan Chen
- Laboratory of Anti-inflammatory and Immunomodulatory Pharmacology, School of Pharmaceutical Sciences, Southern Medical University, Guangzhou 510515, China; Guangdong Provincial Key Laboratory of New Drug Screening, School of Pharmaceutical Sciences, Southern Medical University, Guangzhou 510515, China
| | - Song Wang
- Laboratory of Anti-inflammatory and Immunomodulatory Pharmacology, School of Pharmaceutical Sciences, Southern Medical University, Guangzhou 510515, China; Surgery Department, Guangdong Hospital of Traditional Chinese Medicine, Guangzhou 510120, Guangdong, China.
| | - Xiaojuan Li
- Laboratory of Anti-inflammatory and Immunomodulatory Pharmacology, School of Pharmaceutical Sciences, Southern Medical University, Guangzhou 510515, China; Guangdong Provincial Key Laboratory of New Drug Screening, School of Pharmaceutical Sciences, Southern Medical University, Guangzhou 510515, China.
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Gao H, Dong H, Zheng J, Jiang X, Gong M, Hu L, He J, Wang Y. LINC01119 negatively regulates osteogenic differentiation of mesenchymal stem cells via the Wnt pathway by targeting FZD4. Stem Cell Res Ther 2022; 13:43. [PMID: 35093173 PMCID: PMC8800246 DOI: 10.1186/s13287-022-02726-1] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/06/2021] [Accepted: 11/11/2021] [Indexed: 12/14/2022] Open
Abstract
Abstract
Background
Mesenchymal stem cells (MSCs) can differentiate into diverse cell types under specific conditions. Dysfunction in the osteogenic differentiation of MSCs can result in bone metabolism-related diseases, including osteoporosis. Accumulating evidence has revealed that long non-coding RNA (lncRNAs) play critical regulatory roles during MSC differentiation.
Methods
In the present study, we identified an evolutionarily conserved lncRNA expressed during the osteogenic differentiation of MSCs, which we termed LINC01119. We first identified LINC01119 as a negative regulator of the osteogenic differentiation of MSCs.
Results
LINC01119 knockdown markedly induced calcium deposition in bone marrow MSCs and promoted the osteogenic differentiation of MSCs. More importantly, we demonstrated the underlying molecular basis through which LINC01119 regulates osteogenesis via the Wnt pathway by targeting FZD4. Furthermore, we observed that transcription factor EBF3 could directly bind the promoter site of LINC01119.
Conclusions
We first explored the molecular regulatory mechanism of LINC01119 during the osteogenic differentiation of MSCs and revealed that LINC01119 negatively regulates osteogenesis through the Wnt pathway by targeting FZD4.
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Baranowsky A, Jahn D, Jiang S, Yorgan T, Ludewig P, Appelt J, Albrecht KK, Otto E, Knapstein P, Donat A, Winneberger J, Rosenthal L, Köhli P, Erdmann C, Fuchs M, Frosch KH, Tsitsilonis S, Amling M, Schinke T, Keller J. Procalcitonin is expressed in osteoblasts and limits bone resorption through inhibition of macrophage migration during intermittent PTH treatment. Bone Res 2022; 10:9. [PMID: 35087025 PMCID: PMC8795393 DOI: 10.1038/s41413-021-00172-y] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/24/2020] [Revised: 07/01/2021] [Accepted: 08/10/2021] [Indexed: 12/13/2022] Open
Abstract
Intermittent injections of parathyroid hormone (iPTH) are applied clinically to stimulate bone formation by osteoblasts, although continuous elevation of parathyroid hormone (PTH) primarily results in increased bone resorption. Here, we identified Calca, encoding the sepsis biomarker procalcitonin (ProCT), as a novel target gene of PTH in murine osteoblasts that inhibits osteoclast formation. During iPTH treatment, mice lacking ProCT develop increased bone resorption with excessive osteoclast formation in both the long bones and axial skeleton. Mechanistically, ProCT inhibits the expression of key mediators involved in the recruitment of macrophages, representing osteoclast precursors. Accordingly, ProCT arrests macrophage migration and causes inhibition of early but not late osteoclastogenesis. In conclusion, our results reveal a potential role of osteoblast-derived ProCT in the bone microenvironment that is required to limit bone resorption during iPTH.
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Affiliation(s)
- Anke Baranowsky
- Department of Trauma and Orthopedic Surgery, University Medical Center Hamburg-Eppendorf, Hamburg, 20246, Germany.,Department of Osteology and Biomechanics, University Medical Center Hamburg-Eppendorf, Hamburg, 20246, Germany
| | - Denise Jahn
- Center for Musculoskeletal Surgery, Charité-Universitätsmedizin Berlin, Berlin, 13353, Germany.,Julius Wolff Institute for Biomechanics and Musculoskeletal Regeneration, Charité-Universitätsmedizin Berlin, Berlin, 13353, Germany
| | - Shan Jiang
- Department of Trauma and Orthopedic Surgery, University Medical Center Hamburg-Eppendorf, Hamburg, 20246, Germany
| | - Timur Yorgan
- Department of Osteology and Biomechanics, University Medical Center Hamburg-Eppendorf, Hamburg, 20246, Germany
| | - Peter Ludewig
- Department of Neurology, University Medical Center Hamburg-Eppendorf, Hamburg, 20251, Germany
| | - Jessika Appelt
- Center for Musculoskeletal Surgery, Charité-Universitätsmedizin Berlin, Berlin, 13353, Germany.,Julius Wolff Institute for Biomechanics and Musculoskeletal Regeneration, Charité-Universitätsmedizin Berlin, Berlin, 13353, Germany
| | - Kai K Albrecht
- Julius Wolff Institute for Biomechanics and Musculoskeletal Regeneration, Charité-Universitätsmedizin Berlin, Berlin, 13353, Germany
| | - Ellen Otto
- Center for Musculoskeletal Surgery, Charité-Universitätsmedizin Berlin, Berlin, 13353, Germany.,Julius Wolff Institute for Biomechanics and Musculoskeletal Regeneration, Charité-Universitätsmedizin Berlin, Berlin, 13353, Germany
| | - Paul Knapstein
- Department of Trauma and Orthopedic Surgery, University Medical Center Hamburg-Eppendorf, Hamburg, 20246, Germany
| | - Antonia Donat
- Department of Trauma and Orthopedic Surgery, University Medical Center Hamburg-Eppendorf, Hamburg, 20246, Germany
| | - Jack Winneberger
- Department of Neurology, University Medical Center Hamburg-Eppendorf, Hamburg, 20251, Germany
| | - Lana Rosenthal
- Department of Osteology and Biomechanics, University Medical Center Hamburg-Eppendorf, Hamburg, 20246, Germany
| | - Paul Köhli
- Center for Musculoskeletal Surgery, Charité-Universitätsmedizin Berlin, Berlin, 13353, Germany.,Julius Wolff Institute for Biomechanics and Musculoskeletal Regeneration, Charité-Universitätsmedizin Berlin, Berlin, 13353, Germany
| | - Cordula Erdmann
- Department of Trauma and Orthopedic Surgery, University Medical Center Hamburg-Eppendorf, Hamburg, 20246, Germany
| | - Melanie Fuchs
- Center for Musculoskeletal Surgery, Charité-Universitätsmedizin Berlin, Berlin, 13353, Germany.,Julius Wolff Institute for Biomechanics and Musculoskeletal Regeneration, Charité-Universitätsmedizin Berlin, Berlin, 13353, Germany
| | - Karl-Heinz Frosch
- Department of Trauma and Orthopedic Surgery, University Medical Center Hamburg-Eppendorf, Hamburg, 20246, Germany
| | - Serafeim Tsitsilonis
- Center for Musculoskeletal Surgery, Charité-Universitätsmedizin Berlin, Berlin, 13353, Germany.,Julius Wolff Institute for Biomechanics and Musculoskeletal Regeneration, Charité-Universitätsmedizin Berlin, Berlin, 13353, Germany
| | - Michael Amling
- Department of Osteology and Biomechanics, University Medical Center Hamburg-Eppendorf, Hamburg, 20246, Germany
| | - Thorsten Schinke
- Department of Osteology and Biomechanics, University Medical Center Hamburg-Eppendorf, Hamburg, 20246, Germany
| | - Johannes Keller
- Department of Trauma and Orthopedic Surgery, University Medical Center Hamburg-Eppendorf, Hamburg, 20246, Germany. .,Berlin Institute of Health, Berlin, 10178, Germany.
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127
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Hathaway-Schrader JD, Aartun JD, Poulides NA, Kuhn MB, McCormick BE, Chew ME, Huang E, Darveau RP, Westwater C, Novince CM. Commensal oral microbiota induces osteoimmunomodulatory effects separate from systemic microbiome in mice. JCI Insight 2022; 7:140738. [PMID: 35077397 PMCID: PMC8876522 DOI: 10.1172/jci.insight.140738] [Citation(s) in RCA: 9] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/01/2020] [Accepted: 01/19/2022] [Indexed: 11/17/2022] Open
Abstract
Commensal microbes critically regulate skeletal homeostasis, yet the impact of specific microbiota communities on osteoimmune response mechanisms is unknown. To discern osteoimmunomodulatory effects imparted by the commensal oral microbiota that are distinct from the systemic microbiota, osteoimmunology studies were performed in both alveolar bone and nonoral skeletal sites of specific pathogen–free (SPF) versus germ-free (GF) mice and SPF mice subjected to saline versus chlorhexidine oral rinses. SPF versus GF mice had reduced cortical/trabecular bone and an enhanced pro-osteoclastic phenotype in alveolar bone. TLR signaling and Th17 cells that have known pro-osteoclastic actions were increased in alveolar BM, but not long BM, of SPF versus GF mice. MHC II antigen presentation genes and activated DCs and CD4+ T cells were elevated in alveolar BM, but not long BM, of SPF versus GF mice. These findings were substantiated by in vitro allostimulation studies demonstrating increased activated DCs derived from alveolar BM, but not long BM, of SPF versus GF mice. Chlorhexidine antiseptic rinse depleted the oral, but not gut, bacteriome in SPF mice. Findings from saline- versus chlorhexidine-treated SPF mice corroborated outcomes from SPF versus GF mice, which reveals that the commensal oral microbiota imparts osteoimmunomodulatory effects separate from the systemic microbiome.
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Affiliation(s)
- Jessica D. Hathaway-Schrader
- Department of Oral Health Sciences, College of Dental Medicine
- Department of Pediatrics-Division of Endocrinology, College of Medicine, and
- Department of Stomatology-Division of Periodontics, College of Dental Medicine, Medical University of South Carolina (MUSC), Charleston, South Carolina, USA
| | | | | | - Megan B. Kuhn
- Department of Oral Health Sciences, College of Dental Medicine
| | | | - Michael E. Chew
- Department of Oral Health Sciences, College of Dental Medicine
| | - Emily Huang
- Department of Oral Health Sciences, College of Dental Medicine
| | - Richard P. Darveau
- Department of Periodontics, School of Dentistry, and
- Department of Oral Health Sciences, School of Dentistry, University of Washington, Seattle, Washington, USA
| | - Caroline Westwater
- Department of Oral Health Sciences, College of Dental Medicine
- Department of Microbiology and Immunology, Hollings Cancer Center, MUSC, Charleston, South Carolina, USA
| | - Chad M. Novince
- Department of Oral Health Sciences, College of Dental Medicine
- Department of Pediatrics-Division of Endocrinology, College of Medicine, and
- Department of Stomatology-Division of Periodontics, College of Dental Medicine, Medical University of South Carolina (MUSC), Charleston, South Carolina, USA
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128
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Furesi G, de Jesus Domingues AM, Alexopoulou D, Dahl A, Hackl M, Schmidt JR, Kalkhof S, Kurth T, Taipaleenmäki H, Conrad S, Hofbauer C, Rauner M, Hofbauer LC. Exosomal miRNAs from Prostate Cancer Impair Osteoblast Function in Mice. Int J Mol Sci 2022; 23:1285. [PMID: 35163219 PMCID: PMC8836054 DOI: 10.3390/ijms23031285] [Citation(s) in RCA: 12] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/21/2021] [Revised: 01/18/2022] [Accepted: 01/19/2022] [Indexed: 02/07/2023] Open
Abstract
Prostate cancer (PCa) is the most frequent malignancy in older men with a high propensity for bone metastases. Characteristically, PCa causes osteosclerotic lesions as a result of disrupted bone remodeling. Extracellular vesicles (EVs) participate in PCa progression by conditioning the pre-metastatic niche. However, how EVs mediate the cross-talk between PCa cells and osteoprogenitors in the bone microenvironment remains poorly understood. We found that EVs derived from murine PCa cell line RM1-BM increased metabolic activity, vitality, and cell proliferation of osteoblast precursors by >60%, while significantly impairing mineral deposition (-37%). The latter was further confirmed in two complementary in vivo models of ossification. Accordingly, gene and protein set enrichments of osteoprogenitors exposed to EVs displayed significant downregulation of osteogenic markers and upregulation of proinflammatory factors. Additionally, transcriptomic profiling of PCa-EVs revealed the abundance of three microRNAs, miR-26a-5p, miR-27a-3p, and miR-30e-5p involved in the suppression of BMP-2-induced osteogenesis in vivo, suggesting the critical role of these EV-derived miRNAs in PCa-mediated suppression of osteoblast activity. Taken together, our results indicate the importance of EV cargo in cancer-bone cross-talk in vitro and in vivo and suggest that exosomal miRNAs may contribute to the onset of osteosclerotic bone lesions in PCa.
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Affiliation(s)
- Giulia Furesi
- Department of Medicine III & Center for Healthy Aging, Technical University of Dresden, 01307 Dresden, Germany; (G.F.); (S.C.); (M.R.)
| | | | - Dimitra Alexopoulou
- DRESDEN-Concept Genome Center, DFG NGS Competence Center, c/o Center for Molecular and Cellular Bioengineering (CMCB), Technical University of Dresden, 01307 Dresden, Germany; (D.A.); (A.D.)
| | - Andreas Dahl
- DRESDEN-Concept Genome Center, DFG NGS Competence Center, c/o Center for Molecular and Cellular Bioengineering (CMCB), Technical University of Dresden, 01307 Dresden, Germany; (D.A.); (A.D.)
| | | | - Johannes R. Schmidt
- Department of Preclinical Development and Validation, Fraunhofer Institute for Cell Therapy and Immunology IZI, 04103 Leipzig, Germany; (J.R.S.); (S.K.)
| | - Stefan Kalkhof
- Department of Preclinical Development and Validation, Fraunhofer Institute for Cell Therapy and Immunology IZI, 04103 Leipzig, Germany; (J.R.S.); (S.K.)
- Institute of Bioanalysis, University of Applied Sciences and Arts of Coburg, 96450 Coburg, Germany
| | - Thomas Kurth
- Center for Molecular and Cellular Bioengineering (CMCB), Technology Platform, EM and Histology Facility, TU Dresden, 01307 Dresden, Germany;
| | - Hanna Taipaleenmäki
- Institute of Musculoskeletal Medicine (IMM), Musculoskeletal University Center Munich (MUM), University Hospital, LMU Munich, 82152 Planegg-Martinsried, Germany;
- Molecular Skeletal Biology Laboratory, Department of Trauma and Orthopedic Surgery, University Medical Center Hamburg-Eppendorf, 20246 Hamburg, Germany
| | - Stefanie Conrad
- Department of Medicine III & Center for Healthy Aging, Technical University of Dresden, 01307 Dresden, Germany; (G.F.); (S.C.); (M.R.)
| | - Christine Hofbauer
- National Center for Tumor Diseases, Technical University of Dresden, 01307 Dresden, Germany;
| | - Martina Rauner
- Department of Medicine III & Center for Healthy Aging, Technical University of Dresden, 01307 Dresden, Germany; (G.F.); (S.C.); (M.R.)
| | - Lorenz C. Hofbauer
- Department of Medicine III & Center for Healthy Aging, Technical University of Dresden, 01307 Dresden, Germany; (G.F.); (S.C.); (M.R.)
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129
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Brylka L, Jähn-Rickert K, Baranowsky A, Neven M, Horn M, Yorgan T, Wikman H, Werner S, Lübke A, Amling M, Busse B, Pantel K, Schinke T. Spine Metastases in Immunocompromised Mice after Intracardiac Injection of MDA-MB-231-SCP2 Breast Cancer Cells. Cancers (Basel) 2022; 14:cancers14030556. [PMID: 35158823 PMCID: PMC8833437 DOI: 10.3390/cancers14030556] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/17/2021] [Revised: 01/19/2022] [Accepted: 01/20/2022] [Indexed: 12/04/2022] Open
Abstract
Simple Summary Breast cancer cells typically metastasize to bone, where their interaction with bone remodeling cell types enhances metastatic outgrowth and osteolytic bone destruction. The respective knowledge is largely based on xenograft models, where human breast cancer cells are injected into immunocompromised mice. Importantly, however, whereas skeletal analyses in these animals are usually restricted to hindlimb bones, human skeletal metastases are far more frequent in the spine. Therefore, our study addressed the question, if breast cancer cells injected into immunocompromised mice would also metastasize to the spine, and if this process is influenced by the amount of trabecular bone. We injected an established breast cancer cell line into immunocompromised mice with or without a transgene causing severe osteoporosis. Importantly, we found more tumor cell clusters of different size in spine sections than in femora, but the presence of the transgene did not affect their spreading and metastatic outgrowth. Abstract Breast cancer cells frequently metastasize to bone, where their interaction with bone remodeling cell types enhances osteolytic bone destruction. Importantly, however, whereas skeletal analyses of xenograft models are usually restricted to hindlimb bones, human skeletal metastases are far more frequent in the spine, where trabecular bone mass is higher compared to femur or tibia. Here, we addressed whether breast cancer cells injected into immunocompromised mice metastasize to the spine and if this process is influenced by the amount of trabecular bone. We also took advantage of mice carrying the Col1a1-Krm2 transgene, which display severe osteoporosis. After crossing this transgene into the immunocompromised NSG background we injected MDA-MB-231-SCP2 breast cancer cells and analyzed their distribution three weeks thereafter. We identified more tumor cells and clusters of different size in spine sections than in femora, which allowed influences on bone remodeling cell types to be analyzed by comparing tumor-free to tumor-burdened areas. Unexpectedly, the Col1a1-Krm2 transgene did not affect spreading and metastatic outgrowth of MDA-MB-231-SCP2 cells, suggesting that bone tumor interactions are more relevant at later stages of metastatic progression.
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Affiliation(s)
- Laura Brylka
- Department of Osteology and Biomechanics, University Medical Center Hamburg-Eppendorf, 20246 Hamburg, Germany; (L.B.); (K.J.-R.); (A.B.); (M.N.); (T.Y.); (M.A.); (B.B.)
| | - Katharina Jähn-Rickert
- Department of Osteology and Biomechanics, University Medical Center Hamburg-Eppendorf, 20246 Hamburg, Germany; (L.B.); (K.J.-R.); (A.B.); (M.N.); (T.Y.); (M.A.); (B.B.)
| | - Anke Baranowsky
- Department of Osteology and Biomechanics, University Medical Center Hamburg-Eppendorf, 20246 Hamburg, Germany; (L.B.); (K.J.-R.); (A.B.); (M.N.); (T.Y.); (M.A.); (B.B.)
| | - Mona Neven
- Department of Osteology and Biomechanics, University Medical Center Hamburg-Eppendorf, 20246 Hamburg, Germany; (L.B.); (K.J.-R.); (A.B.); (M.N.); (T.Y.); (M.A.); (B.B.)
| | - Michael Horn
- Mildred Scheel Cancer Career Center, University Cancer Center Hamburg, University Medical Center Hamburg-Eppendorf, 20246 Hamburg, Germany;
| | - Timur Yorgan
- Department of Osteology and Biomechanics, University Medical Center Hamburg-Eppendorf, 20246 Hamburg, Germany; (L.B.); (K.J.-R.); (A.B.); (M.N.); (T.Y.); (M.A.); (B.B.)
| | - Harriet Wikman
- Institute of Tumor Biology, University Medical Center Hamburg-Eppendorf, 20246 Hamburg, Germany; (H.W.); (S.W.)
| | - Stefan Werner
- Institute of Tumor Biology, University Medical Center Hamburg-Eppendorf, 20246 Hamburg, Germany; (H.W.); (S.W.)
| | - Andreas Lübke
- Institute of Pathology, University Medical Center Hamburg-Eppendorf, 20246 Hamburg, Germany;
| | - Michael Amling
- Department of Osteology and Biomechanics, University Medical Center Hamburg-Eppendorf, 20246 Hamburg, Germany; (L.B.); (K.J.-R.); (A.B.); (M.N.); (T.Y.); (M.A.); (B.B.)
| | - Björn Busse
- Department of Osteology and Biomechanics, University Medical Center Hamburg-Eppendorf, 20246 Hamburg, Germany; (L.B.); (K.J.-R.); (A.B.); (M.N.); (T.Y.); (M.A.); (B.B.)
| | - Klaus Pantel
- Institute of Tumor Biology, University Medical Center Hamburg-Eppendorf, 20246 Hamburg, Germany; (H.W.); (S.W.)
- Correspondence: (K.P.); (T.S.); Tel.: +49-40-7410-58057 (T.S.)
| | - Thorsten Schinke
- Department of Osteology and Biomechanics, University Medical Center Hamburg-Eppendorf, 20246 Hamburg, Germany; (L.B.); (K.J.-R.); (A.B.); (M.N.); (T.Y.); (M.A.); (B.B.)
- Correspondence: (K.P.); (T.S.); Tel.: +49-40-7410-58057 (T.S.)
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130
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Lipreri MV, Baldini N, Graziani G, Avnet S. Perfused Platforms to Mimic Bone Microenvironment at the Macro/Milli/Microscale: Pros and Cons. Front Cell Dev Biol 2022; 9:760667. [PMID: 35047495 PMCID: PMC8762164 DOI: 10.3389/fcell.2021.760667] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/18/2021] [Accepted: 11/30/2021] [Indexed: 11/26/2022] Open
Abstract
As life expectancy increases, the population experiences progressive ageing. Ageing, in turn, is connected to an increase in bone-related diseases (i.e., osteoporosis and increased risk of fractures). Hence, the search for new approaches to study the occurrence of bone-related diseases and to develop new drugs for their prevention and treatment becomes more pressing. However, to date, a reliable in vitro model that can fully recapitulate the characteristics of bone tissue, either in physiological or altered conditions, is not available. Indeed, current methods for modelling normal and pathological bone are poor predictors of treatment outcomes in humans, as they fail to mimic the in vivo cellular microenvironment and tissue complexity. Bone, in fact, is a dynamic network including differently specialized cells and the extracellular matrix, constantly subjected to external and internal stimuli. To this regard, perfused vascularized models are a novel field of investigation that can offer a new technological approach to overcome the limitations of traditional cell culture methods. It allows the combination of perfusion, mechanical and biochemical stimuli, biological cues, biomaterials (mimicking the extracellular matrix of bone), and multiple cell types. This review will discuss macro, milli, and microscale perfused devices designed to model bone structure and microenvironment, focusing on the role of perfusion and encompassing different degrees of complexity. These devices are a very first, though promising, step for the development of 3D in vitro platforms for preclinical screening of novel anabolic or anti-catabolic therapeutic approaches to improve bone health.
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Affiliation(s)
| | - Nicola Baldini
- Department of Biomedical and Neuromotor Sciences, University of Bologna, Bologna, Italy.,Biomedical Science and Technologies Lab, IRCSS Istituto Ortopedico Rizzoli, Bologna, Italy
| | - Gabriela Graziani
- Laboratory for NanoBiotechnology (NaBi), IRCCS Istituto Ortopedico Rizzoli, Bologna, Italy
| | - Sofia Avnet
- Department of Biomedical and Neuromotor Sciences, University of Bologna, Bologna, Italy
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131
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Ouyang L, Sun Y, Lv D, Peng X, Liu X, Ci L, Zhang G, Yuan B, Li L, Fei J, Ma J, Liu X, Liao Y. miR-29cb2 promotes angiogenesis and osteogenesis by inhibiting HIF-3α in bone. iScience 2022; 25:103604. [PMID: 35005549 PMCID: PMC8718933 DOI: 10.1016/j.isci.2021.103604] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/01/2021] [Revised: 10/25/2021] [Accepted: 12/08/2021] [Indexed: 12/14/2022] Open
Abstract
Coordination between osteogenesis and angiogenesis is required for bone homeostasis. Here, we show that miR-29cb2 is a bone-specific miRNA and plays critical roles on angiogenesis-osteogenesis coupling during bone remodeling. Mice with deletion of miR-29cb2 exhibit osteopenic phenotypes and osteoblast impairment, accompanied by pronounced decreases in specific H vessels. The decrease in bone miR-29cb2 was associated with pathological ovariectomy stimuli. Mechanistically, hypoxia-inducible factor (HIF)-3α, as a target for miR-29cb2, inhibits HIF-1α activity by competitively bonding with HIF-1β. Notably, miR-29cb2 in peripheral blood (PB) nearly is undetectable in sham and significantly increases in ovariectomy mice. Further evaluation from osteoporosis patients demonstrates similar signatures. ROC analysis shows miR-29cb2 in PB has higher sensitivity and specificity for diagnosing osteoporosis when compared with four clinical biomarkers. Collectively, these findings reveal that miR-29cb2 is essential for bone remodeling by inhibiting HIF-3α and elevated bone-specific miR-29cb2 in PB, which may be a promising biomarker for bone loss.
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Affiliation(s)
- Liping Ouyang
- Department of Pharmacy, Tongren Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai 200336, China
- Hongqiao International Institute of Medicine, Shanghai Jiao Tong University School of Medicine, Shanghai 200336, China
| | - Yingxiao Sun
- Department of Pharmacy, Tongren Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai 200336, China
| | - Dan Lv
- Department of Pharmacy, Tongren Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai 200336, China
| | - Xiaochun Peng
- Department of Orthopaedics, The Sixth Affiliated People's Hospital, Shanghai Jiaotong University, Shanghai 200233, China
| | - Xiaoming Liu
- Department of Orthopedics, Tongren Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai 200336, China
| | - Lei Ci
- Shanghai Engineering Research Center for Model Organisms, Shanghai Model Organisms Center, INC., Shanghai 201203, China
| | - Guoning Zhang
- Department of Orthopedics, Tongren Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai 200336, China
| | - Bo Yuan
- Department of Pharmacy, Tongren Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai 200336, China
| | - Ling Li
- Department of Pharmacy, Tongren Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai 200336, China
| | - Jian Fei
- Shanghai Engineering Research Center for Model Organisms, Shanghai Model Organisms Center, INC., Shanghai 201203, China
- School of Life Science and Technology, Tongji University, Shanghai 200092, China
| | - Jun Ma
- Hongqiao International Institute of Medicine, Shanghai Jiao Tong University School of Medicine, Shanghai 200336, China
| | - Xuanyong Liu
- State Key Laboratory of High Performance Ceramics and Superfine Microstructure, Shanghai Institute of Ceramics, Chinese Academy of Sciences, Shanghai 200050, China
- School of Chemistry and Materials Science, Hangzhou Institute for Advanced Study, University of Chinese Academy of Sciences, Hangzhou 310024, China
| | - Yun Liao
- Department of Pharmacy, Tongren Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai 200336, China
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132
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Wu D, Qin H, Wang Z, Yu M, Liu Z, Peng H, Liang L, Zhang C, Wei X. Bone Mesenchymal Stem Cell-Derived sEV-Encapsulated Thermosensitive Hydrogels Accelerate Osteogenesis and Angiogenesis by Release of Exosomal miR-21. Front Bioeng Biotechnol 2022; 9:829136. [PMID: 35127680 PMCID: PMC8807520 DOI: 10.3389/fbioe.2021.829136] [Citation(s) in RCA: 25] [Impact Index Per Article: 12.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/05/2021] [Accepted: 12/27/2021] [Indexed: 01/08/2023] Open
Abstract
Angiogenesis has been recognized to play an essential role in remodeling new bone (osteogenesis). Small extracellular vesicles (sEVs), the endogenously secreted nanovesicles by cells, exhibit great potential in the regeneration of bone defects and the realization of cell-free therapy. Chitosan, a natural polysaccharide, can form a thermosensitive injectable hydrogel through the addition of β-glycerophosphate. Herein, we developed injectable thermosensitive hydrogel-encapsulated sEVs derived from bone mesenchymal stem cells, which significantly prolonged delivery and release and synergistically enhanced bone regeneration. sEVs were isolated and characterized, and the physicochemical properties, release kinetics, and biocompatibility of the hydrogels were analyzed. In vitro experiments were performed to investigate osteogenic differentiation, cell proliferation and migration, and tube formation. Thereafter, sEVs were added to the chitosan/β-glycerophosphate hydrogel (sEV@CS/β-GP composite) to repair calvarial defects in rats. The results showed that sEV-loaded hydrogels were biocompatible, exhibiting excellent thermosensitive properties and enhancing bone regeneration. Furthermore, mechanistic studies revealed that exosomal miR-21 targeted SPRY2, thereby promoting angiogenesis. Our study provides new insights on the repair of bone defects with multifunctional controlled-sEV-release hydrogels, which shows great potential in the repair of tissues in the future.
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Affiliation(s)
- Di Wu
- Department of Orthopedic Surgery, Shanghai Jiao Tong University Affiliated Shanghai Sixth People’s Hospital, Shanghai, China
| | - Hao Qin
- Center for Reproductive Medicine, Department of Obstetrics and Gynecology, Peking University Third Hospital, Beijing, China
| | - Zixuan Wang
- Department of Mechanical Engineering, Tsinghua University, Beijing, China
| | - Mingzhao Yu
- Department of Orthopedic Surgery, Shanghai Jiao Tong University Affiliated Shanghai Sixth People’s Hospital, Shanghai, China
| | - Zhe Liu
- Department of Orthopedic Surgery, Shanghai Jiao Tong University Affiliated Shanghai Sixth People’s Hospital, Shanghai, China
| | - Hao Peng
- Department of Orthopedic Surgery, Shanghai Jiao Tong University Affiliated Shanghai Sixth People’s Hospital, Shanghai, China
| | - Leilei Liang
- National Cancer Center, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing, China
- *Correspondence: Xiaojuan Wei, ; Changqing Zhang, ; Leilei Liang,
| | - Changqing Zhang
- Department of Orthopedic Surgery, Shanghai Jiao Tong University Affiliated Shanghai Sixth People’s Hospital, Shanghai, China
- *Correspondence: Xiaojuan Wei, ; Changqing Zhang, ; Leilei Liang,
| | - Xiaojuan Wei
- Institute of Microsurgery on Extremities, Shanghai Jiao Tong University Affiliated, Shanghai Sixth People’s Hospital, Shanghai, China
- *Correspondence: Xiaojuan Wei, ; Changqing Zhang, ; Leilei Liang,
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133
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Peng Y, Zhao W, Hu Y, Guo XE, Wang J, Hao K, He Z, Toro C, Bauman WA, Qin W. Administration of High-Dose Methylprednisolone Worsens Bone Loss after Acute Spinal Cord Injury in Rats. Neurotrauma Rep 2022; 2:592-602. [PMID: 35018361 PMCID: PMC8742306 DOI: 10.1089/neur.2021.0035] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/30/2022] Open
Abstract
The administration of high-dose methylprednisolone (MP) for 24–48 h after traumatic spinal cord injury (SCI) has been shown to improve functional recovery. The known adverse effects of MP on skeletal muscle and the immune system, though, have raised clinically relevant safety concerns. However, the effect of MP administration on SCI-induced bone loss has not been evaluated to date. This study examined the adverse effects of high-dose MP administration on skeletal bone after acute SCI in rodents. Male rats underwent spinal cord transection at T3–T4, which was followed by an intravenous injection of MP and subsequent infusion of MP for 24 h. At 2 days, animals were euthanized and hindlimb bone samples were collected. MP significantly reduced bone mineral density (−6.7%) and induced deterioration of bone microstructure (trabecular bone volume/tissue volume, −18.4%; trabecular number, −19.4%) in the distal femur of SCI rats. MP significantly increased expression in the hindlimb bones of osteoclastic genes receptor activator of nuclear factor-κB ligand (RANKL; +402%), triiodothyronine receptor auxiliary protein (+32%), calcitonin receptor (+41%), and reduced osteoprotegerin/RANKL ratio (−72%) compared to those of SCI-vehicle animals. Collectively, 1 day of high-dose MP at a dose comparable to the dosing regimen prescribed to patients who qualify to receive this treatment approach with acute SCI increased loss of bone mass and integrity below the level of lesion than that of animals that had SCI alone, and was associated with further elevation in the expression of genes involved in pathways associated with osteoclastic bone resorption than that observed in SCI animals.
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Affiliation(s)
- Yuanzhen Peng
- National Center for the Medical Consequences of Spinal Cord Injury, James J. Peters VA Medical Center, Bronx, New York, USA
| | - Wei Zhao
- National Center for the Medical Consequences of Spinal Cord Injury, James J. Peters VA Medical Center, Bronx, New York, USA
| | - Yizhong Hu
- Department of Biomedical Engineering, Columbia University, New York, New York, USA
| | - X. Edward Guo
- Department of Biomedical Engineering, Columbia University, New York, New York, USA
| | - Jun Wang
- Department of Neurology, Icahn School of Medicine at Mount Sinai, New York, New York, USA
| | - Ke Hao
- Department of Genetics and Genomic Sciences, Icahn School of Medicine at Mount Sinai, New York, New York, USA
| | - Zhiming He
- College of Dentistry, New York University, New York, New York, USA
| | - Carlos Toro
- National Center for the Medical Consequences of Spinal Cord Injury, James J. Peters VA Medical Center, Bronx, New York, USA
| | - William A. Bauman
- National Center for the Medical Consequences of Spinal Cord Injury, James J. Peters VA Medical Center, Bronx, New York, USA
- Departments of Medicine, Icahn School of Medicine at Mount Sinai, New York, New York, USA
- Rehabilitation and Human Performance, Icahn School of Medicine at Mount Sinai, New York, New York, USA
| | - Weiping Qin
- National Center for the Medical Consequences of Spinal Cord Injury, James J. Peters VA Medical Center, Bronx, New York, USA
- Departments of Medicine, Icahn School of Medicine at Mount Sinai, New York, New York, USA
- *Address correspondence to: Weiping Qin, MD, PhD, James J. Peters Veteran Affairs Medical Center, 130 West Kingsbridge Road, Bronx, NY 10468, USA;
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Extracorporeal shockwave relieves endothelial injury and dysfunction in steroid-induced osteonecrosis of the femoral head via miR-135b targeting FOXO1: in vitro and in vivo studies. Aging (Albany NY) 2022; 14:410-429. [PMID: 34996049 PMCID: PMC8791199 DOI: 10.18632/aging.203816] [Citation(s) in RCA: 10] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/27/2021] [Accepted: 12/29/2021] [Indexed: 11/25/2022]
Abstract
Injury and dysfunction of endothelial cells (ECs) are closely related to the pathogenesis of steroid-induced osteonecrosis of the femoral head (ONFH), while MicroRNAs (miRNAs) play an essential role in the processes. Extracorporeal shockwave treatment (ESWT) has been used in the non-invasive treatment of various diseases including musculoskeletal and vascular disorders. In particular, ESWT with low energy levels showed a beneficial effect in ischemic tissues. However, there has been no comprehensive assessment of the effect of ESWT and miRNAs on steroid-induced ONFH. In the present study, we investigated the role and mechanism of ESWT and miRNAs both in vitro and in vivo. Using a steroid-induced ONFH rat model, we found that ESWT significantly enhances proliferation and angiogenesis as well as alleviates apoptosis. In two types of ECs, ESWT can promote cell proliferation and migration, enhance angiogenesis, and inhibit apoptosis. Notably, our study demonstrates that miR-135b is downregulated and modulated forkhead box protein O1 (FOXO1) in ECs treated with dexamethasone. Remarkably, both miR-135b knockdown and FOXO1 overexpression reversed the beneficial effect of ESWT on ECs. Additionally, our data suggest that ESWT activates the FOXO1-related pathway to impact proliferation, apoptosis, and angiogenesis. Taken together, this study indicates that ESWT relieves endothelial injury and dysfunction in steroid-induced ONFH via miR-135b targeting FOXO1.
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Ballato E, Deepika F, Prado M, Russo V, Fuenmayor V, Bathina S, Villareal DT, Qualls C, Armamento-Villareal R. Circulating osteogenic progenitors and osteoclast precursors are associated with long-term glycemic control, sex steroids, and visceral adipose tissue in men with type 2 diabetes mellitus. Front Endocrinol (Lausanne) 2022; 13:936159. [PMID: 36171900 PMCID: PMC9511027 DOI: 10.3389/fendo.2022.936159] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 05/04/2022] [Accepted: 08/10/2022] [Indexed: 11/23/2022] Open
Abstract
INTRODUCTION Type 2 diabetes mellitus (T2DM) is well-known to be associated with normal bone density but, concurrently, low bone turnover and increased risk for fracture. One of the proposed mechanisms is possible derangement in bone precursor cells, which could be represented by deficiencies in circulating osteogenic progenitor (COP) cells and osteoclast precursors (OCP). The objective of our study is to understand whether extent of glycemic control has an impact on these cells, and to identify other factors that may as well. METHODS This was a secondary analysis of baseline data from 51 male participants, aged 37-65 in an ongoing clinical trial at Michael E. DeBakey VA Medical Center, Houston, Texas, USA. At study entry serum Hemoglobin A1c was measured by high-performance liquid chromatography osteocalcin (OCN) and C-terminal telopeptide of type 1 collagen (CTx) were measured by ELISA, and testosterone and estradiol by liquid-chromatography/mass-spectrometry. Areal bone mineral density (BMD), trabecular bone score and body composition were measured by dual energy x-ray absorptiometry, while COP and OCP were measured by flow cytometry. RESULTS When adjusted for serum testosterone, parathyroid hormone, and 25-hydroxyvitamin D, those with poor long-term glycemic control had significantly higher percentage of COP (p = 0.04). COP correlated positively with visceral adipose tissue (VAT) volume (r = 0.37, p = 0.01) and negatively with free testosterone (r = -0.28, p = 0.05) and OCN (r = -0.28, p = 0.07), although only borderline for the latter. OCP correlated positively with age, FSH, lumbar spine BMD, and COP levels, and negatively with glucose, triglycerides, and free estradiol. Multivariable regression analyses revealed that, in addition to being predictors for each other, another independent predictor for COP was VAT volume while age, glucose, and vitamin D for OCP. CONCLUSION Our results suggest that high COP could be a marker of poor metabolic control. However, given the complex nature and the multitude of factors influencing osteoblastogenesis/adipogenesis, it is possible that the increase in COP is a physiologic response of the bone marrow to increased osteoblast apoptosis from poor glycemic control. Alternatively, it is also likely that a metabolically unhealthy profile may retard the development of osteogenic precursors to fully mature osteoblastic cells.
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Affiliation(s)
- Elliot Ballato
- Division of Endocrinology, Diabetes and Metabolism, Department of Medicine, Baylor College of Medicine, Houston, TX, United States
- Center for Translational Research on Inflammatory Disease, Michael E DeBakey Veterans Affairs (VA) Medical Center, Houston, TX, United States
| | - Fnu Deepika
- Division of Endocrinology, Diabetes and Metabolism, Department of Medicine, Baylor College of Medicine, Houston, TX, United States
- Center for Translational Research on Inflammatory Disease, Michael E DeBakey Veterans Affairs (VA) Medical Center, Houston, TX, United States
| | - Mia Prado
- Division of Endocrinology, Diabetes and Metabolism, Department of Medicine, Baylor College of Medicine, Houston, TX, United States
- Center for Translational Research on Inflammatory Disease, Michael E DeBakey Veterans Affairs (VA) Medical Center, Houston, TX, United States
| | - Vittoria Russo
- Center for Translational Research on Inflammatory Disease, Michael E DeBakey Veterans Affairs (VA) Medical Center, Houston, TX, United States
| | - Virginia Fuenmayor
- Division of Endocrinology, Diabetes and Metabolism, Department of Medicine, Baylor College of Medicine, Houston, TX, United States
- Center for Translational Research on Inflammatory Disease, Michael E DeBakey Veterans Affairs (VA) Medical Center, Houston, TX, United States
| | - Siresha Bathina
- Division of Endocrinology, Diabetes and Metabolism, Department of Medicine, Baylor College of Medicine, Houston, TX, United States
- Center for Translational Research on Inflammatory Disease, Michael E DeBakey Veterans Affairs (VA) Medical Center, Houston, TX, United States
| | - Dennis T. Villareal
- Division of Endocrinology, Diabetes and Metabolism, Department of Medicine, Baylor College of Medicine, Houston, TX, United States
- Center for Translational Research on Inflammatory Disease, Michael E DeBakey Veterans Affairs (VA) Medical Center, Houston, TX, United States
| | - Clifford Qualls
- Biomedical Research Institute of New Mexico, Albuquerque, NM, United States
- Research Service Line, New Mexico Veterans Affairs Health Care System, Albuquerque, NM, United States
| | - Reina Armamento-Villareal
- Division of Endocrinology, Diabetes and Metabolism, Department of Medicine, Baylor College of Medicine, Houston, TX, United States
- Center for Translational Research on Inflammatory Disease, Michael E DeBakey Veterans Affairs (VA) Medical Center, Houston, TX, United States
- *Correspondence: Reina Armamento-Villareal,
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Gambari L, Grigolo B, Grassi F. Dietary organosulfur compounds: Emerging players in the regulation of bone homeostasis by plant-derived molecules. Front Endocrinol (Lausanne) 2022; 13:937956. [PMID: 36187121 PMCID: PMC9521401 DOI: 10.3389/fendo.2022.937956] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 05/06/2022] [Accepted: 08/23/2022] [Indexed: 11/13/2022] Open
Abstract
The progressive decline of bone mass and the deterioration of bone microarchitecture are hallmarks of the bone aging. The resulting increase in bone fragility is the leading cause of bone fractures, a major cause of disability. As the frontline pharmacological treatments for osteoporosis suffer from low patients' adherence and occasional side effects, the importance of diet regimens for the prevention of excessive bone fragility has been increasingly recognized. Indeed, certain diet components have been already associated to a reduced fracture risk. Organosulfur compounds are a broad class of molecules containing sulfur. Among them, several molecules of potential therapeutic interest are found in edible plants belonging to the Allium and Brassica botanical genera. Polysulfides derived from Alliaceae and isothiocyanates derived from Brassicaceae hold remarkable nutraceutical potential as anti-inflammatory, antioxidants, vasorelaxant and hypolipemic. Some of these effects are linked to the ability to release the gasotrasmitter hydrogen sulfide (H2S). Recent preclinical studies have investigated the effect of organosulfur compounds in bone wasting and metabolic bone diseases, revealing a strong potential to preserve skeletal health by exerting cytoprotection and stimulating the bone forming activity by osteoblasts and attenuating bone resorption by osteoclasts. This review is intended for revising evidence from preclinical and epidemiological studies on the skeletal effects of organosulfur molecules of dietary origin, with emphasis on the direct regulation of bone cells by plant-derived polysulfides, glucosinolates and isothiocyanates. Moreover, we highlight the potential molecular mechanisms underlying the biological role of these compounds and revise the importance of the so-called 'H2S-system' on the regulation of bone homeostasis.
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137
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Ye X, Liu X. Wnt16 signaling in bone homeostasis and osteoarthristis. Front Endocrinol (Lausanne) 2022; 13:1095711. [PMID: 36619549 PMCID: PMC9815800 DOI: 10.3389/fendo.2022.1095711] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 11/11/2022] [Accepted: 12/12/2022] [Indexed: 12/24/2022] Open
Abstract
Wnts are secreted cysteine-rich glycoproteins involved in joint development and skeletal homeostasis and have been implicated in the occurrence of osteoarthritis. Over the past decade, Wnt16, a member of the Wnt family, has received widespread attention for its strong association with bone mineral density, cortical bone thickness, bone strength, and osteoporotic fracture risk. In recent years, further studies have shed light on the role of Wnt16 a positive regulator of bone mass and protective regulator of osteoarthritis progression. Transduction mechanisms and crosstalk involving Wnt16 signaling have also been illustrated. More importantly, local Wnt16 treatment has been shown to ease osteoarthritis, inhibit bone resorption, and promote new bone formation in bone defect models. Thus, Wnt16 is now a potential therapeutic target for skeletal diseases and osteoarthritis. This paper reviews our current understanding of the mechanisms by which Wnt16 signaling regulates bone homeostasis and osteoarthritis.
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138
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Das BK, Gogoi J, Kannan A, Gao L, Xing W, Mohan S, Zhao H. The Cytoplasmic Dynein Associated Protein NDE1 Regulates Osteoclastogenesis by Modulating M-CSF and RANKL Signaling Pathways. Cells 2021; 11:13. [PMID: 35011575 PMCID: PMC8750859 DOI: 10.3390/cells11010013] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/09/2021] [Revised: 12/15/2021] [Accepted: 12/20/2021] [Indexed: 12/29/2022] Open
Abstract
Cytoskeleton organization and lysosome secretion play an essential role in osteoclastogenesis and bone resorption. The cytoplasmic dynein is a molecular motor complex that regulates microtubule dynamics and transportation of cargos/organelles, including lysosomes along the microtubules. LIS1, NDE1, and NDEL1 belong to an evolutionary conserved pathway that regulates dynein functions. Disruption of the cytoplasmic dynein complex and deletion of LIS1 in osteoclast precursors arrest osteoclastogenesis. Nonetheless, the role of NDE1 and NDEL1 in osteoclast biology remains elusive. In this study, we found that knocking-down Nde1 expression by lentiviral transduction of specific shRNAs markedly inhibited osteoclastogenesis in vitro by attenuating the proliferation, survival, and differentiation of osteoclast precursor cells via suppression of signaling pathways downstream of M-CSF and RANKL as well as osteoclast differentiation transcription factor NFATc1. To dissect how NDEL1 regulates osteoclasts and bone homeostasis, we generated Ndel1 conditional knockout mice in myeloid osteoclast precursors (Ndel1ΔlysM) by crossing Ndel1-floxed mice with LysM-Cre mice on C57BL/6J background. The Ndel1ΔlysM mice developed normally. The µCT analysis of distal femurs and in vitro osteoclast differentiation and functional assays in cultures unveiled the similar bone mass in both trabecular and cortical bone compartments as well as intact osteoclastogenesis, cytoskeleton organization, and bone resorption in Ndel1ΔlysM mice and cultures. Therefore, our results reveal a novel role of NDE1 in regulation of osteoclastogenesis and demonstrate that NDEL1 is dispensable for osteoclast differentiation and function.
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Affiliation(s)
- Bhaba K. Das
- Southern California Institute for Research and Education, Long Beach VA Healthcare System, Long Beach, CA 90822, USA; (J.G.); (A.K.); (L.G.); (H.Z.)
| | - Jyoti Gogoi
- Southern California Institute for Research and Education, Long Beach VA Healthcare System, Long Beach, CA 90822, USA; (J.G.); (A.K.); (L.G.); (H.Z.)
| | - Aarthi Kannan
- Southern California Institute for Research and Education, Long Beach VA Healthcare System, Long Beach, CA 90822, USA; (J.G.); (A.K.); (L.G.); (H.Z.)
- Department of Dermatology, University of California Irvine, Irvine, CA 92697, USA
| | - Ling Gao
- Southern California Institute for Research and Education, Long Beach VA Healthcare System, Long Beach, CA 90822, USA; (J.G.); (A.K.); (L.G.); (H.Z.)
- Department of Dermatology, University of California Irvine, Irvine, CA 92697, USA
| | - Weirong Xing
- Musculoskeletal Disease Center, VA Loma Linda Healthcare System, Loma Linda, CA 92357, USA; (W.X.); (S.M.)
| | - Subburaman Mohan
- Musculoskeletal Disease Center, VA Loma Linda Healthcare System, Loma Linda, CA 92357, USA; (W.X.); (S.M.)
| | - Haibo Zhao
- Southern California Institute for Research and Education, Long Beach VA Healthcare System, Long Beach, CA 90822, USA; (J.G.); (A.K.); (L.G.); (H.Z.)
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The Non-Erythropoietic EPO Analogue Cibinetide Inhibits Osteoclastogenesis In Vitro and Increases Bone Mineral Density in Mice. Int J Mol Sci 2021; 23:ijms23010055. [PMID: 35008482 PMCID: PMC8744753 DOI: 10.3390/ijms23010055] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/22/2021] [Revised: 12/17/2021] [Accepted: 12/18/2021] [Indexed: 01/21/2023] Open
Abstract
The two erythropoietin (EPO) receptor forms mediate different cellular responses to erythropoietin. While hematopoiesis is mediated via the homodimeric EPO receptor (EPOR), tissue protection is conferred via a heteromer composed of EPOR and CD131. In the skeletal system, EPO stimulates osteoclast precursors and induces bone loss. However, the underlying molecular mechanisms are still elusive. Here, we evaluated the role of the heteromeric complex in bone metabolism in vivo and in vitro by using Cibinetide (CIB), a non-erythropoietic EPO analogue that exclusively binds the heteromeric receptor. CIB is administered either alone or in combination with EPO. One month of CIB treatment significantly increased the cortical (~5.8%) and trabecular (~5.2%) bone mineral density in C57BL/6J WT female mice. Similarly, administration of CIB for five consecutive days to female mice that concurrently received EPO on days one and four, reduced the number of osteoclast progenitors, defined by flow cytometry as Lin−CD11b−Ly6Chi CD115+, by 42.8% compared to treatment with EPO alone. In addition, CIB alone or in combination with EPO inhibited osteoclastogenesis in vitro. Our findings introduce CIB either as a stand-alone treatment, or in combination with EPO, as an appealing candidate for the treatment of the bone loss that accompanies EPO treatment.
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140
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Qi T, Li L, Weidong T. The Role of Sphingolipid Metabolism in Bone Remodeling. Front Cell Dev Biol 2021; 9:752540. [PMID: 34912800 PMCID: PMC8666436 DOI: 10.3389/fcell.2021.752540] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/03/2021] [Accepted: 10/11/2021] [Indexed: 02/05/2023] Open
Abstract
Emerging studies of bioactive lipids have made many exciting discoveries in recent years. Sphingolipids and their metabolites perform a wide variety of cellular functions beyond energy metabolism. Emerging evidence based on genetically manipulated mouse models and molecular biology allows us to obtain new insights into the role sphingolipid played on skeletal remodeling. This review summarizes studies or understandings of the crosstalk between sphingomyelin, ceramide, and sphingosine-1-phosphate (S1P) of sphingolipids family and the cells, especially osteoblasts and osteoclasts of the bone through which bone is remodeled during life constantly. This review also shows agonists and antagonists of S1P as possible therapeutic options and opportunities on bone diseases.
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Affiliation(s)
- Tang Qi
- State Key Laboratory of Oral Diseases, National Clinical Research Center for Oral Diseases, Engineering Research Center of Oral Translational Medicine, Ministry of Education, National Engineering Laboratory for Oral Regenerative Medicine, West China Hospital of Stomatology, West China School of Public Health, West China Fourth Hospital, Sichuan University, Chengdu, China
| | - Liao Li
- State Key Laboratory of Oral Diseases, National Clinical Research Center for Oral Diseases, Engineering Research Center of Oral Translational Medicine, Ministry of Education, National Engineering Laboratory for Oral Regenerative Medicine, West China Hospital of Stomatology, West China School of Public Health, West China Fourth Hospital, Sichuan University, Chengdu, China
| | - Tian Weidong
- State Key Laboratory of Oral Diseases, National Clinical Research Center for Oral Diseases, Engineering Research Center of Oral Translational Medicine, Ministry of Education, National Engineering Laboratory for Oral Regenerative Medicine, West China Hospital of Stomatology, West China School of Public Health, West China Fourth Hospital, Sichuan University, Chengdu, China
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141
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Malheiros-Souza D, Gaia LFP, Sousa FFDA, Favaro PIF, Rodrigues V, Rodrigues DBR. Evaluation of Hormonal Influence in Patients with Fractures Attributed to Osteoporosis. Rev Bras Ortop 2021; 56:804-808. [PMID: 34900111 PMCID: PMC8651443 DOI: 10.1055/s-0041-1726065] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/05/2020] [Accepted: 12/01/2020] [Indexed: 12/04/2022] Open
Abstract
Objective
The present study aims to evaluate the influence of hormonal levels of vitamin D, calcitonin, testosterone, estradiol, and parathyroid in patients with fractures attributed to osteoporosis when compared with young patients with fractures resulting from high-impact accidents.
Methods
Blood samples were collected from 30 elderly patients with osteoporosis-attributed fractures (T-score ≤ -2.5) (osteoporotic group), and from 30 young patients with fractures resulting from high-impact accidents (control group). Measurement of 1,25-hydroxyvitamin D (Kit Diasorin, Saluggia, Italy), calcitonin (Kit Siemens, Tarrytown, NY, USA), testosterone, estradiol, and parathyroid hormone (Kit Beckman Couter, Indianapolis, IN, United States) was performed using a chemiluminescence technique. Data were inserted into a Microsoft Excel (Microsoft Corp., Armonk, WA, USA) spreadsheet and analyzed using Statview statistical software. Results showing non-normal distribution were analyzed with nonparametric methods. The Mann-Whitney test was applied for group comparison, and a Spearman test correlated hormonal levels. Statistical significance was set at
p
< 0.05. All analyzes compared gender and subjects with and without osteoporosis.
Results
Women with osteoporosis had significantly lower levels of estradiol and vitamin D (
p
= 0.047 and
p
= 0.0275, respectively). Men with osteoporosis presented significantly higher levels of parathyroid hormone (
p
= 0.0065). There was no significant difference in testosterone and calcitonin levels.
Conclusion
Osteoporosis patients presented gender-related hormonal differences. Women had significantly lower levels of estradiol and vitamin D, whereas men had significantly higher parathyroid hormone levels, apparently impacting the disease.
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Affiliation(s)
- Danila Malheiros-Souza
- Departamento de Ciências Biológicas, Laboratório de Imunologia, Universidade Federal do Triângulo Mineiro, Uberaba, MG, Brasil
| | - Leonardo Franco Pinheiro Gaia
- Departamento de Ciências Biológicas, Laboratório de Imunologia, Universidade Federal do Triângulo Mineiro, Uberaba, MG, Brasil
| | | | - Pedro Ivo Ferreira Favaro
- Departamento de Ciências Biológicas, Laboratório de Imunologia, Universidade Federal do Triângulo Mineiro, Uberaba, MG, Brasil
| | - Virmondes Rodrigues
- Departamento de Ciências Biológicas, Laboratório de Imunologia, Universidade Federal do Triângulo Mineiro, Uberaba, MG, Brasil
| | - Denise Bertulucci Rocha Rodrigues
- Departamento de Ciências Biológicas, Laboratório de Imunologia, Universidade Federal do Triângulo Mineiro, Uberaba, MG, Brasil.,Laboratório de Imunobiologia, Universidade de Uberaba, Uberaba, MG, Brasil
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Al-Rawaf HA, Alghadir AH, Gabr SA. Circulating MicroRNA Expression, Vitamin D, and Hypercortisolism as Predictors of Osteoporosis in Elderly Postmenopausal Women. DISEASE MARKERS 2021; 2021:3719919. [PMID: 34938374 PMCID: PMC8687791 DOI: 10.1155/2021/3719919] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 05/16/2021] [Revised: 11/20/2021] [Accepted: 11/30/2021] [Indexed: 11/18/2022]
Abstract
BACKGROUND MicroRNAs (miRNA) identified as critical molecular regulators for bone development, function, and modeling/remodeling process and could be predictable for osteoporotic fractures in postmenopausal elderly women. AIM The potential diagnostic role of circulating miRNAs, miR-148a and miR-122-5p, in the pathogenesis of osteoporosis and its association with bone markers, hypercortisolism, and vitamin D deficiency were explored in postmenopausal elderly women with osteoporosis. METHODS A total of 120 elderly women aged 50-80 years old were recruited in this study, of which only 100 eligible women with amenorrhea of at least 12 consecutive months or surgical menopause participated in this study. Based upon bone mineral density (BMD) measurements, the participants were classified according into two groups: normal (n = 45; T score of ≥-1.0) and osteoporosis (n = 55; T score: ≤-2.5). Circulating miRNAs, miR-148a and miR-122-5p, were estimated by real-time RT-PCR analysis. In addition, bone markers, hypercortisolism, and vitamin D deficiency were colorimetrically and ELISA immune assay estimated. The potential role of miR-148a, miR-122-5p, cortisol, and vitamin D in the diagnosis of osteoporosis was predicted using the analysis of the respective area under the receiver operating characteristic curve (AUC-ROC). RESULTS The expressed level of miR-148a significantly increased and miR-122-5p significantly decreased in the serum of osteoporotic patients compared to healthy controls. In addition, a significant increase in the levels of cortisol, s-BAP, and CTx and significant decrease in the levels of T-BMD, the levels of OC, and s-Ca were also identified. All parameters significantly correlated with fracture risk parameters; BMD, and T score lumbar spine (L2-L4). Thus, the data showed AUC cut off values (miR-148a; 0.876, miR-122-5p; 0.761) were best evaluated for clinical diagnosis of patients with osteoporosis and that AUC cut off values of 0.748 for cortisol and 0.635 for vitamin D were the best cut off values, respectively, reported for the prediction of osteoporosis clinical diagnosis. CONCLUSION In this study, expressed miRNAs miR-148a and miR-122-5p and changes in the levels of both cortisol and vitamin D status are significantly associated with bone loss or osteoporosis. Thus, circulation miRNAs alone or in combination with cortisol and vitamin D status might be considered predictable biomarkers in the diagnosis or the pathogenesis of osteoporosis in elderly postmenopausal women; however, more studies are recommended.
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Affiliation(s)
- Hadeel A. Al-Rawaf
- Department of Clinical Laboratory Sciences, College of Applied Medical Sciences, King Saud University, Riyadh, Saudi Arabia
| | - Ahmad H. Alghadir
- Department of Rehabilitation Sciences, College of Applied Medical Sciences, King Saud University, Riyadh, Saudi Arabia
| | - Sami A. Gabr
- Department of Rehabilitation Sciences, College of Applied Medical Sciences, King Saud University, Riyadh, Saudi Arabia
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143
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Chen Y, Yang S, Lovisa S, Ambrose CG, McAndrews KM, Sugimoto H, Kalluri R. Type-I collagen produced by distinct fibroblast lineages reveals specific function during embryogenesis and Osteogenesis Imperfecta. Nat Commun 2021; 12:7199. [PMID: 34893625 PMCID: PMC8664945 DOI: 10.1038/s41467-021-27563-3] [Citation(s) in RCA: 38] [Impact Index Per Article: 12.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/03/2021] [Accepted: 11/16/2021] [Indexed: 01/15/2023] Open
Abstract
Type I collagen (Col1) is the most abundant protein in mammals. Col1 contributes to 90% of the total organic component of bone matrix. However, the precise cellular origin and functional contribution of Col1 in embryogenesis and bone formation remain unknown. Single-cell RNA-sequencing analysis identifies Fap+ cells and Fsp1+ cells as the major contributors of Col1 in the bone. We generate transgenic mouse models to genetically delete Col1 in various cell lineages. Complete, whole-body Col1 deletion leads to failed gastrulation and early embryonic lethality. Specific Col1 deletion in Fap+ cells causes severe skeletal defects, with hemorrhage, edema, and prenatal lethality. Specific Col1 deletion in Fsp1+ cells results in Osteogenesis Imperfecta-like phenotypes in adult mice, with spontaneous fractures and compromised bone healing. This study demonstrates specific contributions of mesenchymal cell lineages to Col1 production in organogenesis, skeletal development, and bone formation/repair, with potential insights into cell-based therapy for patients with Osteogenesis Imperfecta.
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Affiliation(s)
- Yang Chen
- grid.240145.60000 0001 2291 4776Department of Cancer Biology, University of Texas MD Anderson Cancer Center, Houston, TX 77054 USA
| | - Sujuan Yang
- grid.240145.60000 0001 2291 4776Department of Cancer Biology, University of Texas MD Anderson Cancer Center, Houston, TX 77054 USA
| | - Sara Lovisa
- grid.240145.60000 0001 2291 4776Department of Cancer Biology, University of Texas MD Anderson Cancer Center, Houston, TX 77054 USA
| | - Catherine G. Ambrose
- grid.267308.80000 0000 9206 2401Department of Orthopaedic Surgery, University of Texas Health Science Center at Houston, Houston, TX USA
| | - Kathleen M. McAndrews
- grid.240145.60000 0001 2291 4776Department of Cancer Biology, University of Texas MD Anderson Cancer Center, Houston, TX 77054 USA
| | - Hikaru Sugimoto
- grid.240145.60000 0001 2291 4776Department of Cancer Biology, University of Texas MD Anderson Cancer Center, Houston, TX 77054 USA
| | - Raghu Kalluri
- Department of Cancer Biology, University of Texas MD Anderson Cancer Center, Houston, TX, 77054, USA. .,Department of Bioengineering, Rice University, Houston, TX, USA. .,Department of Molecular and Cellular Biology, Baylor College of Medicine, Houston, TX, USA.
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Zhang JQ, Takahashi A, Gu JY, Zhang X, Kyumoto-Nakamura Y, Kukita A, Uehara N, Hiura H, Yamaza T, Kukita T. In vitro and in vivo detection of tunneling nanotubes in normal and pathological osteoclastogenesis involving osteoclast fusion. J Transl Med 2021; 101:1571-1584. [PMID: 34537825 DOI: 10.1038/s41374-021-00656-9] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/04/2021] [Revised: 08/04/2021] [Accepted: 08/04/2021] [Indexed: 11/09/2022] Open
Abstract
Osteoclasts are multinucleated cells formed through specific recognition and fusion of mononuclear osteoclast precursors derived from hematopoietic stem cells. Detailed cellular events concerning cell fusion in osteoclast differentiation remain ambiguous. Tunneling nanotubes (TNTs), actin-based membrane structures, play an important role in intercellular communication between cells. We have previously reported the presence of TNTs in the fusion process of osteoclastogenesis. Here we analyzed morphological details of TNTs using scanning electron microscopy. The osteoclast precursor cell line RAW-D was stimulated to form osteoclast-like cells, and morphological details in the appearance of TNTs were extensively analyzed. Osteoclast-like cells could be classified into three types; early osteoclast precursors, late osteoclast precursors, and multinucleated osteoclast-like cells based on the morphological characteristics. TNTs were frequently observed among these three types of cells. TNTs could be classified into thin, medium, and thick TNTs based on the diameter and length. The shapes of TNTs were dynamically changed from thin to thick. Among them, medium TNTs were often observed between two remote cells, in which side branches attached to the culture substrates and beaded bulge-like structures were often observed. Cell-cell interaction through TNTs contributed to cell migration and rapid transport of information between cells. TNTs were shown to be involved in cell-cell fusion between osteoclast precursors and multinucleated osteoclast-like cells, in which movement of membrane vesicles and nuclei was observed. Formation of TNTs was also confirmed in primary cultures of osteoclasts. Furthermore, we have successfully detected TNTs formed between osteoclasts observed in the bone destruction sites of arthritic rats. Thus, formation of TNTs may be important for the differentiation of osteoclasts both in vitro and in vivo. TNTs could be one target cellular structure for the regulation of osteoclast differentiation and function in bone diseases.
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Affiliation(s)
- Jing-Qi Zhang
- Department of Molecular Cell Biology and Oral Anatomy, Division of Oral Biological Sciences, Faculty of Dental Science, Kyushu University, Fukuoka, Japan
| | - Akira Takahashi
- Department of Fixed Prosthodontics, Division of Oral Rehabilitation, Faculty of Dental Science, Kyushu University, Fukuoka, Japan
| | - Jiong-Yan Gu
- Department of Molecular Cell Biology and Oral Anatomy, Division of Oral Biological Sciences, Faculty of Dental Science, Kyushu University, Fukuoka, Japan
| | - Xiaoxu Zhang
- Department of Implant and Rehabilitative Dentistry, Division of Oral Rehabilitation, Faculty of Dental Science, Kyushu University, Fukuoka, Japan
| | - Yukari Kyumoto-Nakamura
- Department of Molecular Cell Biology and Oral Anatomy, Division of Oral Biological Sciences, Faculty of Dental Science, Kyushu University, Fukuoka, Japan
| | - Akiko Kukita
- Department of Research Center of Arthroplasty, Faculty of Medicine, Saga University, Saga, Japan
| | - Norihisa Uehara
- Department of Molecular Cell Biology and Oral Anatomy, Division of Oral Biological Sciences, Faculty of Dental Science, Kyushu University, Fukuoka, Japan
| | - Hidenobu Hiura
- Department of Molecular Cell Biology and Oral Anatomy, Division of Oral Biological Sciences, Faculty of Dental Science, Kyushu University, Fukuoka, Japan
- Department of Orthodontics and Dentofacial Orthopedics, Division of Oral Health, Growth, and Development, Faculty of Dental Science, Kyushu University, Fukuoka, Japan
| | - Takayoshi Yamaza
- Department of Molecular Cell Biology and Oral Anatomy, Division of Oral Biological Sciences, Faculty of Dental Science, Kyushu University, Fukuoka, Japan
| | - Toshio Kukita
- Department of Molecular Cell Biology and Oral Anatomy, Division of Oral Biological Sciences, Faculty of Dental Science, Kyushu University, Fukuoka, Japan.
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145
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ULK1 Suppresses Osteoclast Differentiation and Bone Resorption via Inhibiting Syk-JNK through DOK3. OXIDATIVE MEDICINE AND CELLULAR LONGEVITY 2021; 2021:2896674. [PMID: 34820053 PMCID: PMC8608530 DOI: 10.1155/2021/2896674] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 08/04/2021] [Revised: 09/17/2021] [Accepted: 10/29/2021] [Indexed: 12/30/2022]
Abstract
Bone resorption diseases, including osteoporosis, are usually caused by excessive osteoclastogenesis. Unc-51-like autophagy activating kinase 1 (ULK1), a mammalian serine/threonine kinase, may participate in the regulation of bone homeostasis and osteolytic metastasis. In this study, ULK1 expression during osteoclastogenesis was detected with RT-PCR. We knocked down or overexpressed ULK1 through siRNA or lentiviral transduction in bone marrow macrophage (BMM). TRAP and phalloidin staining were performed to detect the osteoclastogenesis activity. Ovariectomized (OVX) mouse model of osteoporosis and a mouse of model osteoclast-induced bone resorption were applied to explore the role of ULK1 in bone resorption in vivo. The results showed that ULK1 expression was downregulated during osteoclast differentiation and was clinically associated with osteoporosis. ULK1 inhibited osteoclast differentiation in vitro. Knockdown of ULK1 expression activated phosphorylation of c-Jun N-terminal kinase (JNK) and spleen tyrosine kinase (Syk). Docking protein 3 (DOK3) was coexpressed with ULK1 during osteoclastogenesis. Downregulation of DOK3 offsets the effect of ULK1 on osteoclastogenesis and induced phosphorylation of JNK and Syk. Activation of ULK1 impeded bone loss in OVX mice with osteoporosis. Additionally, upregulation of ULK1 inhibited osteoclast-induced bone resorption in vivo. Therefore, our study reveals a novel ULK1/DOK3/Syk axis that regulates osteoclast differentiation and bone resorption, and targeting ULK1 is a potential therapeutic strategy for osteoporosis.
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146
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Lena AM, Foffi E, Agostini M, Mancini M, Annicchiarico-Petruzzelli M, Aberdam D, Velletri T, Shi Y, Melino G, Wang Y, Candi E. TAp63 regulates bone remodeling by modulating the expression of TNFRSF11B/Osteoprotegerin. Cell Cycle 2021; 20:2428-2441. [PMID: 34763601 DOI: 10.1080/15384101.2021.1985772] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/12/2022] Open
Abstract
ABBREVIATIONS MSC, mesenchymal stem cells; OPG, osteoprotegerin; RUNX2, Run-trelated transcription factor 2.
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Affiliation(s)
- Anna Maria Lena
- Department of Experimental Medicine, TOR, University of Rome "Tor Vergata", Rome, Italy
| | - Erica Foffi
- Department of Experimental Medicine, TOR, University of Rome "Tor Vergata", Rome, Italy
| | - Massimiliano Agostini
- Department of Experimental Medicine, TOR, University of Rome "Tor Vergata", Rome, Italy
| | | | | | | | - Tania Velletri
- Cogentech Società Benefit Srl, Parco Scientifico E Tecnologico Della Sicilia, Catania, Italy
| | - Yufang Shi
- Cas Key Laboratory of Tissue Microenvironment and Tumor, Shanghai Institute of Nutrition and Health, University of Chinese Academy of Sciences, Chinese Academy of Sciences, Shanghai, China.,The First Affiliated Hospital of Soochow University, Institutes for Translational Medicine, Soochow University, Suzhou, China
| | - Gerry Melino
- Department of Experimental Medicine, TOR, University of Rome "Tor Vergata", Rome, Italy
| | - Ying Wang
- Cas Key Laboratory of Tissue Microenvironment and Tumor, Shanghai Institute of Nutrition and Health, University of Chinese Academy of Sciences, Chinese Academy of Sciences, Shanghai, China
| | - Eleonora Candi
- Department of Experimental Medicine, TOR, University of Rome "Tor Vergata", Rome, Italy.,IDI-IRCCS, Via dei Monti di Creta, Rome, IT
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147
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Zhao W, Wiedemann P, Wölfel EM, Neven M, Peters S, Imhof T, Koch M, Busse B, Amling M, Schinke T, Yorgan TA. Decreased Trabecular Bone Mass in Col22a1-Deficient Mice. Cells 2021; 10:3020. [PMID: 34831244 PMCID: PMC8616175 DOI: 10.3390/cells10113020] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/30/2021] [Revised: 10/29/2021] [Accepted: 11/02/2021] [Indexed: 11/16/2022] Open
Abstract
The bone matrix is constantly remodeled by the coordinated activities of bone-forming osteoblasts and bone-resorbing osteoclasts. Whereas type I collagen is the most abundant bone matrix protein, there are several other proteins present, some of them specifically produced by osteoblasts. In a genome-wide expression screening for osteoblast differentiation markers we have previously identified two collagen-encoding genes with unknown function in bone remodeling. Here we show that one of them, Col22a1, is predominantly expressed in bone, cultured osteoblasts, but not in osteoclasts. Based on this specific expression pattern we generated a Col22a1-deficient mouse model, which was analyzed for skeletal defects by µCT, undecalcified histology and bone-specific histomorphometry. We observed that Col22a1-deficient mice display trabecular osteopenia, accompanied by significantly increased osteoclast numbers per bone surface. In contrast, cortical bone parameters, osteoblastogenesis or bone formation were unaffected by the absence of Col22a1. Likewise, primary osteoblasts from Col22a1-deficient mice did not display a cell-autonomous defect, and they did not show altered expression of Rankl or Opg, two key regulators of osteoclastogenesis. Taken together, we provide the first evidence for a physiological function of Col22a1 in bone remodeling, although the molecular mechanisms explaining the indirect influence of Col22a1 deficiency on osteoclasts remain to be identified.
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Affiliation(s)
- Wenbo Zhao
- Department of Osteology and Biomechanics, University Medical Center Hamburg-Eppendorf, 20246 Hamburg, Germany; (W.Z.); (P.W.); (E.M.W.); (M.N.); (S.P.); (B.B.); (M.A.)
| | - Philip Wiedemann
- Department of Osteology and Biomechanics, University Medical Center Hamburg-Eppendorf, 20246 Hamburg, Germany; (W.Z.); (P.W.); (E.M.W.); (M.N.); (S.P.); (B.B.); (M.A.)
| | - Eva Maria Wölfel
- Department of Osteology and Biomechanics, University Medical Center Hamburg-Eppendorf, 20246 Hamburg, Germany; (W.Z.); (P.W.); (E.M.W.); (M.N.); (S.P.); (B.B.); (M.A.)
| | - Mona Neven
- Department of Osteology and Biomechanics, University Medical Center Hamburg-Eppendorf, 20246 Hamburg, Germany; (W.Z.); (P.W.); (E.M.W.); (M.N.); (S.P.); (B.B.); (M.A.)
| | - Stephanie Peters
- Department of Osteology and Biomechanics, University Medical Center Hamburg-Eppendorf, 20246 Hamburg, Germany; (W.Z.); (P.W.); (E.M.W.); (M.N.); (S.P.); (B.B.); (M.A.)
| | - Thomas Imhof
- Center for Biochemistry, Medical Faculty, University of Cologne, 50923 Cologne, Germany; (T.I.); (M.K.)
- Medical Faculty, Institute for Dental Research and Oral Musculoskeletal Biology, University of Cologne, 50923 Cologne, Germany
| | - Manuel Koch
- Center for Biochemistry, Medical Faculty, University of Cologne, 50923 Cologne, Germany; (T.I.); (M.K.)
- Medical Faculty, Institute for Dental Research and Oral Musculoskeletal Biology, University of Cologne, 50923 Cologne, Germany
| | - Björn Busse
- Department of Osteology and Biomechanics, University Medical Center Hamburg-Eppendorf, 20246 Hamburg, Germany; (W.Z.); (P.W.); (E.M.W.); (M.N.); (S.P.); (B.B.); (M.A.)
| | - Michael Amling
- Department of Osteology and Biomechanics, University Medical Center Hamburg-Eppendorf, 20246 Hamburg, Germany; (W.Z.); (P.W.); (E.M.W.); (M.N.); (S.P.); (B.B.); (M.A.)
| | - Thorsten Schinke
- Department of Osteology and Biomechanics, University Medical Center Hamburg-Eppendorf, 20246 Hamburg, Germany; (W.Z.); (P.W.); (E.M.W.); (M.N.); (S.P.); (B.B.); (M.A.)
| | - Timur Alexander Yorgan
- Department of Osteology and Biomechanics, University Medical Center Hamburg-Eppendorf, 20246 Hamburg, Germany; (W.Z.); (P.W.); (E.M.W.); (M.N.); (S.P.); (B.B.); (M.A.)
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148
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The Effects of Osteoporotic and Non-osteoporotic Medications on Fracture Risk and Bone Mineral Density. Drugs 2021; 81:1831-1858. [PMID: 34724173 PMCID: PMC8578161 DOI: 10.1007/s40265-021-01625-8] [Citation(s) in RCA: 16] [Impact Index Per Article: 5.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 10/11/2021] [Indexed: 12/26/2022]
Abstract
Osteoporosis is a highly prevalent bone disease affecting more than 37.5 million individuals in the European Union (EU) and the United States of America (USA). It is characterized by low bone mineral density (BMD), impaired bone quality, and loss of structural and biomechanical properties, resulting in reduced bone strength. An increase in morbidity and mortality is seen in patients with osteoporosis, caused by the approximately 3.5 million new osteoporotic fractures occurring every year in the EU. Currently, different medications are available for the treatment of osteoporosis, including anti-resorptive and osteoanabolic medications. Bisphosphonates, which belong to the anti-resorptive medications, are the standard treatment for osteoporosis based on their positive effects on bone, long-term experience, and low costs. However, not only medications used for the treatment of osteoporosis can affect bone: several other medications are suggested to have an effect on bone as well, especially on fracture risk and BMD. Knowledge about the positive and negative effects of different medications on both fracture risk and BMD is important, as it can contribute to an improvement in osteoporosis prevention and treatment in general, and, even more importantly, to the individual's health. In this review, we therefore discuss the effects of both osteoporotic and non-osteoporotic medications on fracture risk and BMD. In addition, we discuss the underlying mechanisms of action.
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149
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Winter EM, Kooijman S, Appelman-Dijkstra NM, Meijer OC, Rensen PC, Schilperoort M. Chronobiology and Chronotherapy of Osteoporosis. JBMR Plus 2021; 5:e10504. [PMID: 34693186 PMCID: PMC8520066 DOI: 10.1002/jbm4.10504] [Citation(s) in RCA: 16] [Impact Index Per Article: 5.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 12/28/2020] [Revised: 03/31/2021] [Accepted: 04/10/2021] [Indexed: 12/31/2022] Open
Abstract
Physiological circadian (ie, 24-hour) rhythms are critical for bone health. Animal studies have shown that genes involved in the intrinsic molecular clock demonstrate potent circadian expression patterns in bone and that genetic disruption of these clock genes results in a disturbed bone structure and quality. More importantly, circulating markers of bone remodeling show diurnal variation in mice as well as humans, and circadian disruption by, eg, working night shifts is associated with the bone remodeling disorder osteoporosis. In this review, we provide an overview of the current literature on rhythmic bone remodeling and its underlying mechanisms and identify critical knowledge gaps. In addition, we discuss novel (chrono)therapeutic strategies to reduce osteoporosis by utilizing our knowledge on circadian regulation of bone. © 2021 The Authors. JBMR Plus published by Wiley Periodicals LLC on behalf of American Society for Bone and Mineral Research.
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Affiliation(s)
- Elizabeth M Winter
- Department of Medicine, Division of Endocrinology Leiden University Medical Center Leiden The Netherlands.,Einthoven Laboratory for Experimental Vascular Medicine Leiden The Netherlands.,Department of Medicine, Center for Bone Quality Leiden University Medical Center Leiden The Netherlands
| | - Sander Kooijman
- Department of Medicine, Division of Endocrinology Leiden University Medical Center Leiden The Netherlands.,Einthoven Laboratory for Experimental Vascular Medicine Leiden The Netherlands
| | - Natasha M Appelman-Dijkstra
- Department of Medicine, Division of Endocrinology Leiden University Medical Center Leiden The Netherlands.,Einthoven Laboratory for Experimental Vascular Medicine Leiden The Netherlands.,Department of Medicine, Center for Bone Quality Leiden University Medical Center Leiden The Netherlands
| | - Onno C Meijer
- Department of Medicine, Division of Endocrinology Leiden University Medical Center Leiden The Netherlands.,Einthoven Laboratory for Experimental Vascular Medicine Leiden The Netherlands
| | - Patrick Cn Rensen
- Department of Medicine, Division of Endocrinology Leiden University Medical Center Leiden The Netherlands.,Einthoven Laboratory for Experimental Vascular Medicine Leiden The Netherlands
| | - Maaike Schilperoort
- Department of Medicine, Division of Endocrinology Leiden University Medical Center Leiden The Netherlands.,Einthoven Laboratory for Experimental Vascular Medicine Leiden The Netherlands
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150
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Toxic Effects of Indoxyl Sulfate on Osteoclastogenesis and Osteoblastogenesis. Int J Mol Sci 2021; 22:ijms222011265. [PMID: 34681927 PMCID: PMC8538618 DOI: 10.3390/ijms222011265] [Citation(s) in RCA: 11] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/27/2021] [Revised: 10/17/2021] [Accepted: 10/18/2021] [Indexed: 02/07/2023] Open
Abstract
Uremic toxins, such as indoxyl sulfate (IS) and kynurenine, accumulate in the blood in the event of kidney failure and contribute to further bone damage. To maintain the homeostasis of the skeletal system, bone remodeling is a persistent process of bone formation and bone resorption that depends on a dynamic balance of osteoblasts and osteoclasts. The aryl hydrocarbon receptor (AhR) is a ligand-activated transcription factor that regulates the toxic effects of uremic toxins. IS is an endogenous AhR ligand and is metabolized from tryptophan. In osteoclastogenesis, IS affects the expression of the osteoclast precursor nuclear factor of activated T cells, cytoplasmic 1 (NFATc1) through AhR signaling. It is possible to increase osteoclast differentiation with short-term and low-dose IS exposure and to decrease differentiation with long-term and/or high-dose IS exposure. Coincidentally, during osteoblastogenesis, through the AhR signaling pathway, IS inhibits the phosphorylation of ERK, and p38 reduces the expression of the transcription factor 2 (Runx2), disturbing osteoblastogenesis. The AhR antagonist resveratrol has a protective effect on the IS/AhR pathway. Therefore, it is necessary to understand the multifaceted role of AhR in CKD, as knowledge of these transcription signals could provide a safe and effective method to prevent and treat CKD mineral bone disease.
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