1
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Hou X, Tian F. STAT3-mediated osteogenesis and osteoclastogenesis in osteoporosis. Cell Commun Signal 2022; 20:112. [PMID: 35879773 PMCID: PMC9310501 DOI: 10.1186/s12964-022-00924-1] [Citation(s) in RCA: 11] [Impact Index Per Article: 5.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/01/2022] [Accepted: 06/23/2022] [Indexed: 11/10/2022] Open
Abstract
Osteoporosis is a common skeletal disease with marked bone loss, deterioration of the bone microstructure and bone fragility. An abnormal bone remodelling cycle with relatively increased bone resorption is the crucial pathophysiological mechanism. Bone remodelling is predominantly controlled by osteoblasts and osteoclasts, which are specialized cell types that are regulated by a variety of osteogenic and osteoclastic factors, including cytokines expressed within the bone microenvironment under local or systemic inflammatory conditions. Signal transducer and activator of transcription 3 (STAT3) plays a prominent role in the communication between cytokines and kinases by binding downstream gene promotors and is involved in a wide range of biological or pathological processes. Emerging evidence suggests that STAT3 and its network participate in bone remodelling and the development of osteoporosis, and this factor may be a potent target for osteoporosis treatment. This review focuses on the role and molecular mechanism of the STAT3 signalling pathway in osteogenesis, osteoclastogenesis and osteoporosis, particularly the bone-related cytokines that regulate the osteoblastic differentiation of bone marrow stromal cells and the osteoclastic differentiation of bone marrow macrophages by initiating STAT3 signalling. This review also examines the cellular interactions among immune cells, haematopoietic cells and osteoblastic/osteoclastic cells. Video abstract
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Affiliation(s)
- Xiaoli Hou
- School of Public Health, North China University of Science and Technology, Caofeidian Dis, Bohai Road 21, Tangshan, 063210, People's Republic of China
| | - Faming Tian
- School of Public Health, North China University of Science and Technology, Caofeidian Dis, Bohai Road 21, Tangshan, 063210, People's Republic of China.
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2
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Roy E, Byrareddy SN, Reid SP. Role of MicroRNAs in Bone Pathology during Chikungunya Virus Infection. Viruses 2020; 12:E1207. [PMID: 33114216 PMCID: PMC7690852 DOI: 10.3390/v12111207] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/27/2020] [Revised: 10/10/2020] [Accepted: 10/19/2020] [Indexed: 02/08/2023] Open
Abstract
Chikungunya virus (CHIKV) is an alphavirus, transmitted by mosquitoes, which causes Chikungunya fever with symptoms of fever, rash, headache, and joint pain. In about 30%-40% of cases, the infection leads to polyarthritis and polyarthralgia. Presently, there are no treatment strategies or vaccine for Chikungunya fever. Moreover, the mechanism of CHIKV induced bone pathology is not fully understood. The modulation of host machinery is known to be essential in establishing viral pathogenesis. MicroRNAs (miRNAs) are small non-coding RNAs that regulate major cellular functions by modulating gene expression. Fascinatingly, recent reports have indicated the role of miRNAs in regulating bone homeostasis and altered expression of miRNAs in bone-related pathological diseases. In this review, we summarize the altered expression of miRNAs during CHIKV pathogenesis and the possible role of miRNAs during bone homeostasis in the context of CHIKV infection. A holistic understanding of the different signaling pathways targeted by miRNAs during bone remodeling and during CHIKV-induced bone pathology may lead to identification of useful biomarkers or therapeutics.
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Affiliation(s)
- Enakshi Roy
- Department of Pathology & Microbiology, University of Nebraska Medical Center, Omaha, NE 68198-5900, USA;
| | - Siddappa N. Byrareddy
- Department of Pharmacology and Experimental Neuroscience, University of Nebraska Medical Center, Omaha, NE 68198-5900, USA
- Department of Genetics, Cell Biology and Anatomy, University of Nebraska Medical Center, Omaha, NE 68198-5900, USA
- Department of Biochemistry and Molecular Biology, University of Nebraska Medical Center, Omaha, NE 68198-5900, USA
| | - St Patrick Reid
- Department of Pathology & Microbiology, University of Nebraska Medical Center, Omaha, NE 68198-5900, USA;
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3
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Zhao Y, Jia L, Zheng Y, Li W. Involvement of Noncoding RNAs in the Differentiation of Osteoclasts. Stem Cells Int 2020; 2020:4813140. [PMID: 32908541 PMCID: PMC7468661 DOI: 10.1155/2020/4813140] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/21/2020] [Revised: 08/11/2020] [Accepted: 08/14/2020] [Indexed: 12/13/2022] Open
Abstract
As the most important bone-resorbing cells, osteoclasts play fundamental roles in bone remodeling and skeletal health. Much effort has been focused on identifying the regulators of osteoclast metabolism. Noncoding RNAs (ncRNAs) reportedly regulate osteoclast formation, differentiation, survival, and bone-resorbing activity to participate in bone physiology and pathology. The present review intends to provide a general framework for how ncRNAs and their targets regulate osteoclast differentiation and the important events of osteoclastogenesis they are involved in, including osteoclast precursor generation, early differentiation, mononuclear osteoclast fusion, and multinucleated osteoclast function and survival. This framework is beneficial for understanding bone biology and for identifying the potential biomarkers or therapeutic targets of bone diseases. The review also summarizes the results of in vivo experiments and classic experiment methods for osteoclast-related researches.
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Affiliation(s)
- Yi Zhao
- Department of Orthodontics, Peking University School and Hospital of Stomatology, Beijing 100081, China
| | - Lingfei Jia
- Department of Oral and Maxillofacial Surgery, Peking University School and Hospital of Stomatology, Beijing 100081, China
- Central Laboratory, Peking University School and Hospital of Stomatology, Beijing 100081, China
| | - Yunfei Zheng
- Department of Orthodontics, Peking University School and Hospital of Stomatology, Beijing 100081, China
| | - Weiran Li
- Department of Orthodontics, Peking University School and Hospital of Stomatology, Beijing 100081, China
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4
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Deligiorgi MV, Panayiotidis MI, Griniatsos J, Trafalis DT. Harnessing the versatile role of OPG in bone oncology: counterbalancing RANKL and TRAIL signaling and beyond. Clin Exp Metastasis 2020; 37:13-30. [PMID: 31578655 DOI: 10.1007/s10585-019-09997-8] [Citation(s) in RCA: 16] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/24/2019] [Accepted: 09/24/2019] [Indexed: 12/15/2022]
Abstract
More than 2 decades ago, the discovery of osteoprotegerin (OPG) as inhibitor of the receptor of activator of nuclear factor Kb (RANK) ligand (RANKL) revolutionized our understanding of bone biology and oncology. Besides acting as decoy receptor for RANKL, OPG acts as decoy receptor for tumor necrosis factor-related apoptosis-inducing ligand (TRAIL). OPG, RANKL, and TRAIL are ubiquitously expressed, stimulating per se pivotal signaling cascades implicated in cancer. In the context of cancer cell-bone cell interactions, cancer cells skew the OPG/RANKL/RANK (RANKL cognate receptor) balance towards bone destruction and tumor growth through favoring the RANKL/RANK interface, circumventing OPG. Numerous preclinical and clinical studies demonstrate the dual role of OPG in cancer: antitumor and tumor-promoting. OPG potentially conveys an antitumor signal through inhibiting the tumor-promoting RANKL signaling-both the osteoclast-dependent and the osteoclast-independent-and the tumor-promoting TRAIL signaling. On the other hand, the presumed tumor-promoting functions of OPG are: (i) abrogation of TRAIL-induced apoptosis of cancer cells; (ii) abrogation of RANKL-induced antitumor immunity; and (iii) stimulation of oncogenic and prometastatic signaling cascades downstream of the interaction of OPG with diverse proteins. The present review dissects the role of OPG in bone oncology. It presents the available preclinical and clinical data sustaining the dual role of OPG in cancer and focuses on the imbalanced RANKL/RANK/OPG interplay in the landmark "vicious cycle" of skeletal metastatic disease, osteosarcoma, and multiple myeloma. Finally, current challenges and future perspectives in exploiting OPG signaling in bone oncology therapeutics are discussed.
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Affiliation(s)
- Maria V Deligiorgi
- Clinical Pharmacology Unit, Laboratory of Pharmacology, Faculty of Medicine, National and Kapodistrian University of Athens, 75 Mikras Asias Str, Goudi, 11527, Athens, Greece.
| | - Mihalis I Panayiotidis
- Department of Applied Sciences, Northumbria University, Ellison Building, Room A516, Newcastle upon Tyne, NE1 8ST, UK
| | - John Griniatsos
- 1st Department of Surgery, Faculty of Medicine, National and Kapodistrian University of Athens, Laikon General Hospital, 17 Agiou Thoma Str, Goudi, 115-27, Athens, Greece
| | - Dimitrios T Trafalis
- Clinical Pharmacology Unit, Laboratory of Pharmacology, Faculty of Medicine, National and Kapodistrian University of Athens, 75 Mikras Asias Str, Goudi, 11527, Athens, Greece
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5
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Madadi S, Schwarzenbach H, Saidijam M, Mahjub R, Soleimani M. Potential microRNA-related targets in clearance pathways of amyloid-β: novel therapeutic approach for the treatment of Alzheimer's disease. Cell Biosci 2019; 9:91. [PMID: 31749959 PMCID: PMC6852943 DOI: 10.1186/s13578-019-0354-3] [Citation(s) in RCA: 24] [Impact Index Per Article: 4.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/25/2019] [Accepted: 11/01/2019] [Indexed: 02/07/2023] Open
Abstract
Imbalance between amyloid-beta (Aβ) peptide synthesis and clearance results in Aβ deregulation. Failure to clear these peptides appears to cause the development of Alzheimer's disease (AD). In recent years, microRNAs have become established key regulators of biological processes that relate among others to the development and progression of neurodegenerative diseases, such as AD. This review article gives an overview on microRNAs that are involved in the Aβ cascade and discusses their inhibitory impact on their target mRNAs whose products participate in Aβ clearance. Understanding of the mechanism of microRNA in the associated signal pathways could identify novel therapeutic targets for the treatment of AD.
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Affiliation(s)
- Soheil Madadi
- Department of Pharmaceutical Biotechnology, School of Pharmacy, Hamadan University of Medical Sciences, Hamadan, Iran
| | - Heidi Schwarzenbach
- Department of Tumor Biology, University Medical Center Hamburg-Eppendorf, 20246 Hamburg, Germany
| | - Massoud Saidijam
- Department of Genetics and Molecular Medicine, Hamadan University of Medical Sciences, Hamadan, Iran
| | - Reza Mahjub
- Department of Pharmaceutics, School of Pharmacy, Hamadan University of Medical Sciences, Hamadan, Iran
| | - Meysam Soleimani
- Department of Pharmaceutical Biotechnology, School of Pharmacy, Hamadan University of Medical Sciences, Hamadan, Iran
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Li K, Chen S, Cai P, Chen K, Li L, Yang X, Yi J, Luo X, Du Y, Zheng H. MiRNA-483-5p is involved in the pathogenesis of osteoporosis by promoting osteoclast differentiation. Mol Cell Probes 2019; 49:101479. [PMID: 31706013 DOI: 10.1016/j.mcp.2019.101479] [Citation(s) in RCA: 34] [Impact Index Per Article: 6.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/21/2019] [Revised: 10/28/2019] [Accepted: 11/05/2019] [Indexed: 02/07/2023]
Abstract
AIMS The study aimed to investigate the roles of miR-483-5p and IGF2 in osteoclast formation. METHODS Blood and bone tissues were collected from osteoporosis and non-osteoporosis patients with hip fractures for gene expression analysis. CD14 + peripheral blood mononuclear cells (PBMCs) were isolated for differentiating osteoclasts. MiR-483-5p mimic and inhibitor was transfected into CD14 + PBMCs, respectively. Predicted by TargetScan and verified by Dual-luciferase reporter assay system, insulin-like growth factor-2 (IGF2) could be targeted by miR-483-5p. IGF2 expression vector was co-transfected with miR-483-5p mimic to study the role of IGF2 in miR-483-5p affecting osteoclast differentiation. Flow cytometry was performed for cell apoptosis analysis. RESULTS High-expressed miR-483-5p and low-expressed IGF2 were frequently found in the serums and bone tissues derived from osteoporotic patients. We found that up-regulation of miR-483-5p in CD14 + PBMCs notably increased the number of TRAP-positive cells, at the same time, the expression levels of TRAP, nuclear factor of activated T-cells (NFATc1), cytoplasmic 1 (NFAT2) and Cathepsin K (CTSK) were also up-regulated. However, overexpressed IGF2 effectively reversed such effects produced by up-regulation of miR-483-5p on osteoclastogenesis-related factors in CD14 + PBMCs. Moreover, forced expression of IGF2 could also enhance apoptosis of osteoclasts reduced by miR-483-5p. CONCLUSIONS Our study suggests that miRNA-483-5p is involved in the pathogenesis of osteoporosis by promoting osteoclast differentiation.
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Affiliation(s)
- Keqian Li
- Department of Orthopedics, Suizhou Hospital, Hubei University of Medicine, China
| | - Shenghao Chen
- Department of Orthopedics, Suizhou Hospital, Hubei University of Medicine, China
| | - Pingyuan Cai
- Department of Orthopedics, Suizhou Hospital, Hubei University of Medicine, China
| | - Kang Chen
- Department of Orthopedics, Suizhou Hospital, Hubei University of Medicine, China
| | - Lei Li
- Department of Orthopedics, Suizhou Hospital, Hubei University of Medicine, China
| | - Xu Yang
- Department of Orthopedics, Suizhou Hospital, Hubei University of Medicine, China
| | - Jianhua Yi
- Department of Orthopedics, Suizhou Hospital, Hubei University of Medicine, China
| | - Xingshun Luo
- Department of Orthopedics, Suizhou Hospital, Hubei University of Medicine, China
| | - Yang Du
- Department of Orthopedics, Suizhou Hospital, Hubei University of Medicine, China
| | - Hong Zheng
- Department of Orthopedics, Suizhou Hospital, Hubei University of Medicine, China.
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7
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Xie BP, Shi LY, Li JP, Zeng Y, Liu W, Tang SY, Jia LJ, Zhang J, Gan GX. Oleanolic acid inhibits RANKL-induced osteoclastogenesis via ER alpha/miR-503/RANK signaling pathway in RAW264.7 cells. Biomed Pharmacother 2019; 117:109045. [PMID: 31176167 DOI: 10.1016/j.biopha.2019.109045] [Citation(s) in RCA: 27] [Impact Index Per Article: 5.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/10/2019] [Revised: 05/24/2019] [Accepted: 05/29/2019] [Indexed: 12/13/2022] Open
Abstract
Oleanolic acid (OA) has recently become a research hotspot in the treatment of many human diseases, especially osteoporosis and arthritis. However, the mechanisms are not elucidated completely. We aimed to elucidate the target and the mechanism via which OA inhibited osteoclast differentiation. We used TRAP staining and toluidine blue dye to test OA effect on osteoclastogenesis and bone resorption respectively. We detected the expression level of osteoclast differentiation related genes, estrogen receptor alpha (ERα) and miR-503. We blocked ERα with its specific blocker, methylpiperidino pyrazole (MPP). We antagonized the function of miR-503 with antagomir-503-5p. RT-PCR and ELISA kits were used to investigate the effects of OA on miR-503 formation and maturation-relevant enzymes Dicer and Drosha at gene and protein levels. The data suggested that OA inhibited osteoclastogenesis and bone resorption. OA upregulated ERα and miR-503 expression levels, inhibited RANK expression. MPP significantly attenuated the OA effect including inhibiting osteoclastogenesis, inhibiting bone resorption and up-regulating miR-503 expression. It showed that ERα was the target of OA and OA up-regulated miR-503 expression through ERα. Antagomir-503-5p inhibited the function of miR-503 and attenuated the inhibition of OA on osteoclastogenesis, suggesting that OA inhibited osteoclast by up-regulating miR-503 expression. In addition, OA up-regulated miR-503 by up-regulating Dicer expression. In conclusion, OA inhibits RANKL-induced osteoclastogenesis via ERα/miR-503/RANK signaling pathway in RAW264.7 cells.
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Affiliation(s)
- Bao-Ping Xie
- Department of Pharmachemistry, Xiangya School of Pharmaceutical Sciences, Central South University, 172 Tong Zi Po Road, Changsha, Hunan, 410013, China
| | - Li-Ying Shi
- Department of Pharmachemistry, Xiangya School of Pharmaceutical Sciences, Central South University, 172 Tong Zi Po Road, Changsha, Hunan, 410013, China
| | - Jin-Ping Li
- Department of Pharmachemistry, Xiangya School of Pharmaceutical Sciences, Central South University, 172 Tong Zi Po Road, Changsha, Hunan, 410013, China.
| | - Ying Zeng
- The First Hospital of Hunan University of Traditional Chinese Medicine, 105 Shao Shan Road, Changsha, Hunan, 410007, China.
| | - Wei Liu
- School of Nursing of Central South University, 172 Tong Zi Po Road, Changsha, Hunan, 410013, China
| | - Si-Yuan Tang
- School of Nursing of Central South University, 172 Tong Zi Po Road, Changsha, Hunan, 410013, China
| | - Lu-Juan Jia
- Department of Pharmachemistry, Xiangya School of Pharmaceutical Sciences, Central South University, 172 Tong Zi Po Road, Changsha, Hunan, 410013, China
| | - Jie Zhang
- The Third Xiangya Hospital, Central South University, 172 Tong Zi Po Road, Changsha, Hunan, 410013, China
| | - Guo-Xing Gan
- Qing Yuan Hospital of Traditional Chinese Medicine, 10 Qiao Bei Road, Qing yuan, Guangdong, 511500, China
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8
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Guo K, Zhang D, Wu H, Zhu Q, Yang C, Zhu J. MiRNA-199a-5p positively regulated RANKL-induced osteoclast differentiation by target Mafb protein. J Cell Biochem 2019; 120:7024-7031. [PMID: 30387167 DOI: 10.1002/jcb.27968] [Citation(s) in RCA: 15] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/05/2018] [Accepted: 10/04/2018] [Indexed: 01/24/2023]
Abstract
MicroRNAs are involved in osteoclast differentiation. Although miR-199a-5p plays an important role in many different systems and diseases, its function during osteoclastogenesis remains unclear. In this study, we investigated the function and the target gene of miR-199a-5p in osteoclast differentiation. The in vitro data showed that miR-199a-5p was significantly upregulated after the stimulation by receptor activator of nuclear factor kappa-B ligand in macrophages and RAW 264.7 cells. After transfection of miR-199a-5p mimic, the messenger RNA expression level of nuclear factor of activated T-cells cytoplasmic 1, tartrate-resistant acid phosphatase (TRAP), and receptor activator of nuclear factor kappa-B was significantly increased in RAW 264.7 cells and the number of TRAP-positive cells was also increased. MiR-199a-5p inhibitor showed the complete opposite outcome which brought additional proof to our finding. Overexpression of miR-199a-5p led to downregulation of Mafb protein. The luciferase activity was obviously repressed when WT-pGL3-Mafb and miR-199a-5p mimics were cotransfected into 293 T cells and the inhibitors cotransfected demonstrated reverse result. MiR-199a-5p overexpressed during osteoclast differentiation and positively regulated osteoclast formation in vitro by target Mafb.
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Affiliation(s)
- Kai Guo
- Department of Orthopaedics, Xijing Hospital, The Fourth Military Medical University, Xi'an, Shaanxi, China
| | - Dawei Zhang
- Department of Orthopaedics, Xijing Hospital, The Fourth Military Medical University, Xi'an, Shaanxi, China
| | - Haining Wu
- Department of Orthopaedics, Xijing Hospital, The Fourth Military Medical University, Xi'an, Shaanxi, China
| | - Qingsheng Zhu
- Department of Orthopaedics, Xijing Hospital, The Fourth Military Medical University, Xi'an, Shaanxi, China
| | - Chongfei Yang
- Department of Orthopaedics, Xijing Hospital, The Fourth Military Medical University, Xi'an, Shaanxi, China
| | - Jinyu Zhu
- Department of Orthopaedics, Xijing Hospital, The Fourth Military Medical University, Xi'an, Shaanxi, China
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9
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Bellavia D, De Luca A, Carina V, Costa V, Raimondi L, Salamanna F, Alessandro R, Fini M, Giavaresi G. Deregulated miRNAs in bone health: Epigenetic roles in osteoporosis. Bone 2019; 122:52-75. [PMID: 30772601 DOI: 10.1016/j.bone.2019.02.013] [Citation(s) in RCA: 60] [Impact Index Per Article: 12.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 11/08/2018] [Revised: 02/11/2019] [Accepted: 02/13/2019] [Indexed: 02/07/2023]
Abstract
MicroRNA (miRNA) has shown to enhance or inhibit cell proliferation, differentiation and activity of different cell types in bone tissue. The discovery of miRNA actions and their targets has helped to identify them as novel regulations actors in bone. Various studies have shown that miRNA deregulation mediates the progression of bone-related pathologies, such as osteoporosis. The present review intends to give an exhaustive overview of miRNAs with experimentally validated targets involved in bone homeostasis and highlight their possible role in osteoporosis development. Moreover, the review analyzes miRNAs identified in clinical trials and involved in osteoporosis.
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Affiliation(s)
- D Bellavia
- IRCCS Istituto Ortopedico Rizzoli, Bologna, Italy.
| | - A De Luca
- IRCCS Istituto Ortopedico Rizzoli, Bologna, Italy
| | - V Carina
- IRCCS Istituto Ortopedico Rizzoli, Bologna, Italy
| | - V Costa
- IRCCS Istituto Ortopedico Rizzoli, Bologna, Italy
| | - L Raimondi
- IRCCS Istituto Ortopedico Rizzoli, Bologna, Italy
| | - F Salamanna
- IRCCS Istituto Ortopedico Rizzoli, Laboratory of Preclinical and Surgical Studies, Bologna, Italy
| | - R Alessandro
- Department of Biopathology and Medical Biotechnologies, Section of Biology and Genetics, University of Palermo, Palermo 90133, Italy; Institute of Biomedicine and Molecular Immunology (IBIM), National Research Council, Palermo, Italy
| | - M Fini
- IRCCS Istituto Ortopedico Rizzoli, Laboratory of Preclinical and Surgical Studies, Bologna, Italy
| | - G Giavaresi
- IRCCS Istituto Ortopedico Rizzoli, Laboratory of Preclinical and Surgical Studies, Bologna, Italy
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10
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Lozano C, Duroux-Richard I, Firat H, Schordan E, Apparailly F. MicroRNAs: Key Regulators to Understand Osteoclast Differentiation? Front Immunol 2019; 10:375. [PMID: 30899258 PMCID: PMC6416164 DOI: 10.3389/fimmu.2019.00375] [Citation(s) in RCA: 35] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/08/2018] [Accepted: 02/14/2019] [Indexed: 12/21/2022] Open
Abstract
MicroRNAs (miRNAs) are small non-coding single-stranded RNAs that represent important posttranscriptional regulators of protein-encoding genes. In particular, miRNAs play key roles in regulating cellular processes such as proliferation, migration, and cell differentiation. Recently, miRNAs emerged as critical regulators of osteoclasts (OCs) biology and have been involved in OCs pathogenic role in several disorders. OCs are multinucleated cells generated from myeloid precursors in the bone marrow, specialized in bone resorption. While there is a growing number of information on the cytokines and signaling pathways that are critical to control the differentiation of osteoclast precursors (OCPs) into mature OCs, the connection between OC differentiation steps and miRNAs is less well-understood. The present review will first summarize our current understanding of the miRNA-regulated pathways in the sequential steps required for OC formation, from the motility and migration of OCPs to the cell-cell fusion and the final formation of the actin ring and ruffled border in the functionally resorbing multinucleated OCs. Then, considering the difficulty of working on primary OCs and on the generation of robust data we will give an update on the most recent advances in the detection technologies for miRNAs quantification and how these are of particular interest for the understanding of OC biology and their use as potential biomarkers.
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Affiliation(s)
- Claire Lozano
- IRMB, Univ Montpellier, INSERM, CHU Montpellier, Montpellier, France.,Immunology Department, CHU Montpellier, Montpellier, France
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11
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Zhao W, Shen G, Ren H, Liang D, Yu X, Zhang Z, Huang J, Qiu T, Tang J, Shang Q, Yu P, Wu Z, Jiang X. Therapeutic potential of microRNAs in osteoporosis function by regulating the biology of cells related to bone homeostasis. J Cell Physiol 2018; 233:9191-9208. [PMID: 30078225 DOI: 10.1002/jcp.26939] [Citation(s) in RCA: 29] [Impact Index Per Article: 4.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/06/2018] [Accepted: 06/13/2018] [Indexed: 12/13/2022]
Abstract
MicroRNAs (miRNAs) are novel regulatory factors that play important roles in numerous cellular processes through the posttranscriptional regulation of gene expression. Recently, deregulation of the miRNA-mediated mechanism has emerged as an important pathological factor in osteoporosis. However, a detailed molecular mechanism between miRNAs and osteoporosis is still not available. In this review, the roles of miRNAs in the regulation of cells related to bone homeostasis as well as miRNAs that deregulate in human or animal are discussed. Moreover, the miRNAs that act as clusters in the biology of cells in the bone microenvironment and the difference of some important miRNAs for bone homeostasis between bone and other organs are mentioned. Overall, miRNAs that contribute to the pathogenesis of osteoporosis and their therapeutic potential are considered.
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Affiliation(s)
- Wenhua Zhao
- Guangzhou University of Chinese Medicine, Guangzhou, China
| | - Gengyang Shen
- Guangzhou University of Chinese Medicine, Guangzhou, China
| | - Hui Ren
- Department of Spinal Surgery, The First Affiliated Hospital of Guangzhou University of Chinese Medicine, Guangzhou, China
| | - De Liang
- Department of Spinal Surgery, The First Affiliated Hospital of Guangzhou University of Chinese Medicine, Guangzhou, China
| | - Xiang Yu
- Guangzhou University of Chinese Medicine, Guangzhou, China
| | - Zhida Zhang
- Guangzhou University of Chinese Medicine, Guangzhou, China
| | - Jinjing Huang
- Guangzhou University of Chinese Medicine, Guangzhou, China
| | - Ting Qiu
- Guangzhou University of Chinese Medicine, Guangzhou, China
| | - Jingjing Tang
- Department of Spinal Surgery, The First Affiliated Hospital of Guangzhou University of Chinese Medicine, Guangzhou, China
| | - Qi Shang
- Guangzhou University of Chinese Medicine, Guangzhou, China
| | - Peiyuan Yu
- Guangzhou University of Chinese Medicine, Guangzhou, China
| | - Zixian Wu
- Guangzhou University of Chinese Medicine, Guangzhou, China
| | - Xiaobing Jiang
- Department of Spinal Surgery, The First Affiliated Hospital of Guangzhou University of Chinese Medicine, Guangzhou, China.,Laboratory Affiliated to National Key Discipline of Orthopaedic and Traumatology of Chinese Medicine, Guangzhou University of Chinese Medicine, Guangzhou, China
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12
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The emerging role of microRNAs in bone remodeling and its therapeutic implications for osteoporosis. Biosci Rep 2018; 38:BSR20180453. [PMID: 29848766 PMCID: PMC6013703 DOI: 10.1042/bsr20180453] [Citation(s) in RCA: 70] [Impact Index Per Article: 11.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/24/2018] [Revised: 05/23/2018] [Accepted: 05/29/2018] [Indexed: 01/06/2023] Open
Abstract
Osteoporosis, a common and multifactorial disease, is influenced by genetic factors and environments. However, the pathogenesis of osteoporosis has not been fully elucidated yet. Recently, emerging evidence suggests that epigenetic modifications may be the underlying mechanisms that link genetic and environmental factors with increased risks of osteoporosis and bone fracture. MicroRNA (miRNA), a major category of small noncoding RNA with 20–22 bases in length, is recognized as one important epigenetic modification. It can mediate post-transcriptional regulation of target genes with cell differentiation and apoptosis. In this review, we aimed to profile the role of miRNA in bone remodeling and its therapeutic implications for osteoporosis. A deeper insight into the role of miRNA in bone remodeling and osteoporosis can provide unique opportunities to develop a novel diagnostic and therapeutic approach of osteoporosis.
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13
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Huang J, Yin H, Rao SS, Xie PL, Cao X, Rao T, Liu SY, Wang ZX, Cao J, Hu Y, Zhang Y, Luo J, Tan YJ, Liu ZZ, Wu B, Hu XK, Chen TH, Chen CY, Xie H. Harmine enhances type H vessel formation and prevents bone loss in ovariectomized mice. Theranostics 2018; 8:2435-2446. [PMID: 29721090 PMCID: PMC5928900 DOI: 10.7150/thno.22144] [Citation(s) in RCA: 79] [Impact Index Per Article: 13.2] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/29/2017] [Accepted: 02/07/2018] [Indexed: 12/28/2022] Open
Abstract
Recently, researchers identified a distinct vessel subtype called type H vessels that couple angiogenesis and osteogenesis. We previously found that type H vessels are reduced in ovariectomy (OVX)-induced osteoporotic mice, and preosteoclasts are able to secrete platelet-derived growth factor-BB (PDGF-BB) to stimulate type H vessel formation and thereby to promote osteogenesis. This study aimed to explore whether harmine, a β-carboline alkaloid, is capable of preventing bone loss in OVX mice by promoting preosteoclast PDGF-BB-induced type H vessel formation. METHODS The impact of harmine on osteoclastogenesis of RANKL-stimulated RAW264.7 cells was verified by gene expression analysis and tartrate-resistant acid phosphatase (TRAP) staining. Enzyme-linked immunosorbent assay (ELISA) was conducted to test PDGF-BB production by preosteoclasts. A series of angiogenesis-related assays in vitro were performed to assess the pro-angiogenic effects of the conditioned media from RANKL-stimulated RAW264.7 cells treated with or without harmine. Meanwhile, the role of PDGF-BB in this process was determined. In vivo, OVX mice were intragastrically administrated with harmine emulsion or an equal volume of vehicle. 2 months later, bone samples were collected for µCT, histological, immunohistochemical and immunofluorescent analyses to evaluate bone mass, osteogenic and osteoclastic activities, as well as the numbers of type H vessels. Bone marrow PDGF-BB concentrations were assessed by ELISA. RESULTS Exposure of RANKL-stimulated RAW264.7 cells to harmine enhanced the formation of preosteoclasts and the production of PDGF-BB. Harmine augmented the ability of RANKL-stimulated RAW264.7 cells to promote angiogenesis of endothelial cells, whereas the effect was blocked by PDGF-BB inhibition. In vivo, the oral administration of harmine emulsion to OVX mice resulted in enhanced trabecular bone mass and osteogenic responses, increased numbers of preosteoclasts, as well as reduced numbers of osteoclasts and fat cells. Moreover, OVX mice treated with harmine exhibited higher levels of bone marrow PDGF-BB and much more type H vessels in bone. CONCLUSION Harmine may exert bone-sparing effects by suppression of osteoclast formation and promotion of preosteoclast PDGF-BB-induced angiogenesis.
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Affiliation(s)
- Jie Huang
- Movement System Injury and Repair Research Center, Xiangya Hospital, Central South University, Changsha, Hunan 410008, China
- Department of Orthopedics, Xiangya Hospital, Central South University, Changsha, Hunan 410008, China
| | - Hao Yin
- Movement System Injury and Repair Research Center, Xiangya Hospital, Central South University, Changsha, Hunan 410008, China
- Department of Orthopedics, Xiangya Hospital, Central South University, Changsha, Hunan 410008, China
| | - Shan-Shan Rao
- Movement System Injury and Repair Research Center, Xiangya Hospital, Central South University, Changsha, Hunan 410008, China
- Department of Spine Surgery, Xiangya Hospital, Central South University, Changsha, Hunan, 410008, China
| | - Ping-Li Xie
- Department of Forensic Science, School of Basic Medical Sciences, Central South University, Changsha, Hunan 410013, China
| | - Xu Cao
- Department of Orthopaedic Surgery, Johns Hopkins University School of Medicine, Baltimore, Maryland 21205, USA
| | - Tai Rao
- Department of Clinical Pharmacology, Xiangya Hospital, Central South University, Changsha, Hunan 410008, China
| | - Shu-Ying Liu
- The Second Xiangya Hospital, Central South University, Changsha, Hunan 410008, China
| | - Zhen-Xing Wang
- Movement System Injury and Repair Research Center, Xiangya Hospital, Central South University, Changsha, Hunan 410008, China
| | - Jia Cao
- Movement System Injury and Repair Research Center, Xiangya Hospital, Central South University, Changsha, Hunan 410008, China
| | - Yin Hu
- Movement System Injury and Repair Research Center, Xiangya Hospital, Central South University, Changsha, Hunan 410008, China
- Department of Orthopedics, Xiangya Hospital, Central South University, Changsha, Hunan 410008, China
| | - Yan Zhang
- Movement System Injury and Repair Research Center, Xiangya Hospital, Central South University, Changsha, Hunan 410008, China
| | - Juan Luo
- Movement System Injury and Repair Research Center, Xiangya Hospital, Central South University, Changsha, Hunan 410008, China
| | - Yi-Juan Tan
- Movement System Injury and Repair Research Center, Xiangya Hospital, Central South University, Changsha, Hunan 410008, China
| | - Zheng-Zhao Liu
- Movement System Injury and Repair Research Center, Xiangya Hospital, Central South University, Changsha, Hunan 410008, China
- National Clinical Research Center for Geriatric Disorders, Xiangya Hospital, Central South University, Changsha, Hunan 410008, China
| | - Ben Wu
- Movement System Injury and Repair Research Center, Xiangya Hospital, Central South University, Changsha, Hunan 410008, China
| | - Xiong-Ke Hu
- Movement System Injury and Repair Research Center, Xiangya Hospital, Central South University, Changsha, Hunan 410008, China
| | - Tuan-Hui Chen
- Movement System Injury and Repair Research Center, Xiangya Hospital, Central South University, Changsha, Hunan 410008, China
| | - Chun-Yuan Chen
- Movement System Injury and Repair Research Center, Xiangya Hospital, Central South University, Changsha, Hunan 410008, China
| | - Hui Xie
- Movement System Injury and Repair Research Center, Xiangya Hospital, Central South University, Changsha, Hunan 410008, China
- Hunan Key Laboratory of Organ Injury, Aging and Regenerative Medicine, Changsha, Hunan 410008, China
- Department of Sports Medicine, Xiangya Hospital, Central South University, Changsha, Hunan 410008, China
- Department of Orthopedics, Xiangya Hospital, Central South University, Changsha, Hunan 410008, China
- National Clinical Research Center for Geriatric Disorders, Xiangya Hospital, Central South University, Changsha, Hunan 410008, China
- China Orthopedic Regenerative Medicine Group (CORMed), Changsha, Hunan 410008, China
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14
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Abstract
Achieving satisfactory reconstruction of bone remains an important goal in orthopedic and dental conditions such as bone trauma, osteoporosis, arthritis, osteonecrosis, and periodontitis. Appropriate temporal and spatial differentiation of mesenchymal stem cells (MSCs) is essential for postnatal bone regeneration. Additionally, an acute inflammatory response is crucial at the onset of bone repair, while an adaptive immune response has important implications during late bone remodeling. Various reports have indicated bidirectional interactions between MSCs and inflammatory cells or molecules. For example, inflammatory cells can recruit MSCs, direct their migration and differentiation, so as to exert anabolic effects on bone repair. Furthermore, both pro-inflammatory and anti-inflammatory cytokines can regulate MSCs properties and subsequent bone regeneration. MSCs have demonstrated highly immunosuppressive functions, such as inhibiting the differentiation of monocytes/hematopoietic precursors and suppressing the secretion of pro-inflammatory cytokines. This review emphasizes the important interactions between inflammatory stimuli, MSCs, and bone regeneration as well as the underlying regulatory mechanisms. Better understanding of these principles will provide new opportunities for promoting bone regeneration and the treatment of bone loss associated with immunological diseases.
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15
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Osteogenic Differentiation in Healthy and Pathological Conditions. Int J Mol Sci 2016; 18:ijms18010041. [PMID: 28035992 PMCID: PMC5297676 DOI: 10.3390/ijms18010041] [Citation(s) in RCA: 70] [Impact Index Per Article: 8.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/14/2016] [Revised: 12/13/2016] [Accepted: 12/22/2016] [Indexed: 12/16/2022] Open
Abstract
This review focuses on the osteogenic differentiation of mesenchymal stem cells (MSC), bone formation and turn-over in good and ill skeletal fates. The interacting molecular pathways which control bone remodeling in physiological conditions during a lifelong process are described. Then, alterations of the molecular pathways regulating osteogenesis are addressed. In the aging process, as well as in glucocorticoid-induced osteoporosis, bone loss is caused not only by an unbalanced bone resorption activity, but also by an impairment of MSCs’ commitment towards the osteogenic lineage, in favour of adipogenesis. Mutations affecting the expression of key genes involved in the control of bone development occur in several heritable bone disorders. A few examples are described in order to illustrate the pathological consequences of perturbation in different steps of osteogenic commitment, osteoblast maturation, and matrix mineralization, respectively. The involvement of abnormal MSC differentiation in cancer is then discussed. Finally, a brief overview of clinical applications of MSCs in bone regeneration and repair is presented.
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16
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Irwandi RA, Vacharaksa A. The role of microRNA in periodontal tissue: A review of the literature. Arch Oral Biol 2016; 72:66-74. [DOI: 10.1016/j.archoralbio.2016.08.014] [Citation(s) in RCA: 33] [Impact Index Per Article: 4.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/06/2016] [Revised: 08/04/2016] [Accepted: 08/12/2016] [Indexed: 01/12/2023]
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17
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Gamba BF, Zechi-Ceide RM, Kokitsu-Nakata NM, Vendramini-Pittoli S, Rosenberg C, Krepischi Santos ACV, Ribeiro-Bicudo L, Richieri-Costa A. Interstitial 1q21.1 Microdeletion Is Associated with Severe Skeletal Anomalies, Dysmorphic Face and Moderate Intellectual Disability. Mol Syndromol 2016; 7:344-348. [PMID: 27920638 DOI: 10.1159/000450971] [Citation(s) in RCA: 16] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 09/13/2016] [Indexed: 01/28/2023] Open
Abstract
We report on a Brazilian patient with a 1.7-Mb interstitial microdeletion in chromosome 1q21.1. The phenotypic characteristics include microcephaly, a peculiar facial gestalt, cleft lip/palate, and multiple skeletal anomalies represented by malformed phalanges, scoliosis, abnormal modeling of vertebral bodies, hip dislocation, abnormal acetabula, feet anomalies, and delayed neuropsychological development. Deletions reported in this region are clinically heterogeneous, ranging from subtle phenotypic manifestations to severe congenital heart defects and/or neurodevelopmental findings. A few genes within the deleted region are associated with congenital anomalies, mainly the RBM8A, DUF1220, and HYDIN2 paralogs. Our patient presents with a spectrum of unusual malformations of 1q21.1 deletion syndrome not reported up to date.
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Affiliation(s)
- Bruno F Gamba
- Department of Clinical Genetics, Hospital for Rehabilitation of Craniofacial Anomalies (HRCA), University of São Paulo, Bauru, Brazil
| | - Roseli M Zechi-Ceide
- Department of Clinical Genetics, Hospital for Rehabilitation of Craniofacial Anomalies (HRCA), University of São Paulo, Bauru, Brazil
| | - Nancy M Kokitsu-Nakata
- Department of Clinical Genetics, Hospital for Rehabilitation of Craniofacial Anomalies (HRCA), University of São Paulo, Bauru, Brazil
| | - Siulan Vendramini-Pittoli
- Department of Clinical Genetics, Hospital for Rehabilitation of Craniofacial Anomalies (HRCA), University of São Paulo, Bauru, Brazil
| | - Carla Rosenberg
- Centro de Estudos do Genoma Humano, University of São Paulo, São Paulo, Goiania, Brazil
| | | | - Lucilene Ribeiro-Bicudo
- Departamento de Genética, Instituto de Ciências Biológicas, Universidade Federal De Goias, Goiania, Brazil
| | - Antonio Richieri-Costa
- Department of Clinical Genetics, Hospital for Rehabilitation of Craniofacial Anomalies (HRCA), University of São Paulo, Bauru, Brazil
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18
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Epigenetic Regulation of Bone Remodeling and Its Impacts in Osteoporosis. Int J Mol Sci 2016; 17:ijms17091446. [PMID: 27598138 PMCID: PMC5037725 DOI: 10.3390/ijms17091446] [Citation(s) in RCA: 76] [Impact Index Per Article: 9.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/13/2016] [Revised: 07/28/2016] [Accepted: 08/11/2016] [Indexed: 01/08/2023] Open
Abstract
Epigenetics describes mechanisms which control gene expression and cellular processes without changing the DNA sequence. The main mechanisms in epigenetics are DNA methylation in CpG-rich promoters, histone modifications and non-coding RNAs (ncRNAs). DNA methylation modifies the function of the DNA and correlates with gene silencing. Histone modifications including acetylation/deacetylation and phosphorylation act in diverse biological processes such as transcriptional activation/inactivation and DNA repair. Non-coding RNAs play a large part in epigenetic regulation of gene expression in addition to their roles at the transcriptional and post-transcriptional level. Osteoporosis is the most common skeletal disorder, characterized by compromised bone strength and bone micro-architectural deterioration that predisposes the bones to an increased risk of fracture. It is most often caused by an increase in bone resorption that is not sufficiently compensated by a corresponding increase in bone formation. Nowadays it is well accepted that osteoporosis is a multifactorial disorder and there are genetic risk factors for osteoporosis and bone fractures. Here we review emerging evidence that epigenetics contributes to the machinery that can alter DNA structure, gene expression, and cellular differentiation during physiological and pathological bone remodeling.
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19
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Pitari MR, Rossi M, Amodio N, Botta C, Morelli E, Federico C, Gullà A, Caracciolo D, Di Martino MT, Arbitrio M, Giordano A, Tagliaferri P, Tassone P. Inhibition of miR-21 restores RANKL/OPG ratio in multiple myeloma-derived bone marrow stromal cells and impairs the resorbing activity of mature osteoclasts. Oncotarget 2016; 6:27343-58. [PMID: 26160841 PMCID: PMC4694994 DOI: 10.18632/oncotarget.4398] [Citation(s) in RCA: 80] [Impact Index Per Article: 10.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/05/2015] [Accepted: 06/11/2015] [Indexed: 12/11/2022] Open
Abstract
miR-21 is an oncogenic microRNA (miRNA) with an emerging role as therapeutic target in human malignancies, including multiple myeloma (MM). Here we investigated whether miR-21 is involved in MM-related bone disease (BD). We found that miR-21 expression is dramatically enhanced, while osteoprotegerin (OPG) is strongly reduced, in bone marrow stromal cells (BMSCs) adherent to MM cells. On this basis, we validated the 3′UTR of OPG mRNA as miR-21 target. Constitutive miR-21 inhibition in lentiviral-transduced BMSCs adherent to MM cells restored OPG expression and secretion. Interestingly, miR-21 inhibition reduced RANKL production by BMSCs. Overexpression of protein inhibitor of activated STAT3 (PIAS3), which is a direct and validated target of miR-21, antagonized STAT3-mediated RANKL gene activation. Finally, we demonstrate that constitutive expression of miR-21 inhibitors in BMSCs restores RANKL/OPG balance and dramatically impairs the resorbing activity of mature osteoclasts. Taken together, our data provide proof-of-concept that miR-21 overexpression within MM-microenviroment plays a crucial role in bone resorption/apposition balance, supporting the design of innovative miR-21 inhibition-based strategies for MM-related BD.
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Affiliation(s)
- Maria Rita Pitari
- Department of Experimental and Clinical Medicine and T. Campanella Cancer Center, Magna Graecia University, S. Venuta University Campus, Catanzaro, Italy
| | - Marco Rossi
- Department of Experimental and Clinical Medicine and T. Campanella Cancer Center, Magna Graecia University, S. Venuta University Campus, Catanzaro, Italy
| | - Nicola Amodio
- Department of Experimental and Clinical Medicine and T. Campanella Cancer Center, Magna Graecia University, S. Venuta University Campus, Catanzaro, Italy
| | - Cirino Botta
- Department of Experimental and Clinical Medicine and T. Campanella Cancer Center, Magna Graecia University, S. Venuta University Campus, Catanzaro, Italy
| | - Eugenio Morelli
- Department of Experimental and Clinical Medicine and T. Campanella Cancer Center, Magna Graecia University, S. Venuta University Campus, Catanzaro, Italy
| | - Cinzia Federico
- Department of Experimental and Clinical Medicine and T. Campanella Cancer Center, Magna Graecia University, S. Venuta University Campus, Catanzaro, Italy
| | - Annamaria Gullà
- Department of Experimental and Clinical Medicine and T. Campanella Cancer Center, Magna Graecia University, S. Venuta University Campus, Catanzaro, Italy
| | - Daniele Caracciolo
- Department of Experimental and Clinical Medicine and T. Campanella Cancer Center, Magna Graecia University, S. Venuta University Campus, Catanzaro, Italy
| | - Maria Teresa Di Martino
- Department of Experimental and Clinical Medicine and T. Campanella Cancer Center, Magna Graecia University, S. Venuta University Campus, Catanzaro, Italy
| | | | - Antonio Giordano
- Department of Human Pathology and Oncology, University of Siena, Siena, Italy.,Sbarro Institute for Cancer Research and Molecular Medicine, Center for Biotechnology, College of Science and Technology, Temple University, Philadelphia, PA, USA
| | - Pierosandro Tagliaferri
- Department of Experimental and Clinical Medicine and T. Campanella Cancer Center, Magna Graecia University, S. Venuta University Campus, Catanzaro, Italy
| | - Pierfrancesco Tassone
- Department of Experimental and Clinical Medicine and T. Campanella Cancer Center, Magna Graecia University, S. Venuta University Campus, Catanzaro, Italy.,Sbarro Institute for Cancer Research and Molecular Medicine, Center for Biotechnology, College of Science and Technology, Temple University, Philadelphia, PA, USA
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20
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MicroRNAs in Osteoclastogenesis and Function: Potential Therapeutic Targets for Osteoporosis. Int J Mol Sci 2016; 17:349. [PMID: 27005616 PMCID: PMC4813210 DOI: 10.3390/ijms17030349] [Citation(s) in RCA: 60] [Impact Index Per Article: 7.5] [Reference Citation Analysis] [Abstract] [Key Words] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/05/2016] [Revised: 02/24/2016] [Accepted: 03/03/2016] [Indexed: 02/05/2023] Open
Abstract
Abnormal osteoclast formation and resorption play a fundamental role in osteoporosis pathogenesis. Over the past two decades, much progress has been made to target osteoclasts. The existing therapeutic drugs include bisphosphonates, hormone replacement therapy, selective estrogen receptor modulators, calcitonin and receptor activator of nuclear factor NF-κB ligand (RANKL) inhibitor (denosumab), etc. Among them, bisphosphonates are most widely used due to their low price and high efficiency in reducing the risk of fracture. However, bisphosphonates still have their limitations, such as the gastrointestinal side-effects, osteonecrosis of the jaw, and atypical subtrochanteric fracture. Based on the current situation, research for new drugs to regulate bone resorption remains relevant. MicroRNAs (miRNAs) are a new group of small, noncoding RNAs of 19–25 nucleotides, which negatively regulate gene expression after transcription. Recent studies discovered miRNAs play a considerable function in bone remodeling by regulating osteoblast and osteoclast differentiation and function. An increasing number of miRNAs have been identified to participate in osteoclast formation, differentiation, apoptosis, and resorption. miRNAs show great promise to serve as biomarkers and potential therapeutic targets for osteoporosis. In this review, we will summarize our current understanding of how miRNAs regulate osteoclastogenesis and function. We will further discuss the approach to develop drugs for osteoporosis based on these miRNA networks.
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21
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Jing D, Hao J, Shen Y, Tang G, Li ML, Huang SH, Zhao ZH. The role of microRNAs in bone remodeling. Int J Oral Sci 2015. [PMID: 26208037 PMCID: PMC4582559 DOI: 10.1038/ijos.2015.22] [Citation(s) in RCA: 64] [Impact Index Per Article: 7.1] [Reference Citation Analysis] [Abstract] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/05/2023] Open
Abstract
Bone remodeling is balanced by bone formation and bone resorption as well as by alterations in the quantities and functions of seed cells, leading to either the maintenance or deterioration of bone status. The existing evidence indicates that microRNAs (miRNAs), known as a family of short non-coding RNAs, are the key post-transcriptional repressors of gene expression, and growing numbers of novel miRNAs have been verified to play vital roles in the regulation of osteogenesis, osteoclastogenesis, and adipogenesis, revealing how they interact with signaling molecules to control these processes. This review summarizes the current knowledge of the roles of miRNAs in regulating bone remodeling as well as novel applications for miRNAs in biomaterials for therapeutic purposes.
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Affiliation(s)
- Dian Jing
- State Key Laboratory of Oral Diseases, Department of Orthodontics, West China Hospital of Stomatology, Sichuan University, Chengdu, China
| | - Jin Hao
- State Key Laboratory of Oral Diseases, Department of Orthodontics, West China Hospital of Stomatology, Sichuan University, Chengdu, China
| | - Yu Shen
- State Key Laboratory of Oral Diseases, Department of Orthodontics, West China Hospital of Stomatology, Sichuan University, Chengdu, China
| | - Ge Tang
- State Key Laboratory of Oral Diseases, Department of Orthodontics, West China Hospital of Stomatology, Sichuan University, Chengdu, China
| | - Mei-Le Li
- State Key Laboratory of Oral Diseases, Department of Orthodontics, West China Hospital of Stomatology, Sichuan University, Chengdu, China
| | - Shi-Hu Huang
- State Key Laboratory of Oral Diseases, Department of Orthodontics, West China Hospital of Stomatology, Sichuan University, Chengdu, China.,Department of Orthopaedics and Traumatology, The University of Hong Kong, Hong Kong, China
| | - Zhi-He Zhao
- State Key Laboratory of Oral Diseases, Department of Orthodontics, West China Hospital of Stomatology, Sichuan University, Chengdu, China
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22
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Abstract
Preclinical Research Bone is a rigid and dynamic organ that undergoes continuous turnover. Bone homeostasis is maintained by osteoclast-mediated bone resorption and osteoblast-mediated bone formation. The interruption of this balance can cause various diseases, including osteoporosis a public health issue due to the rate of hip fracture, the most serious outcome of osteoporosis. The bone loss in osteoporosis results from an increase in bone resorption versus bone formation. Thus, regulation of osteoblast and osteoclast activity is a main focus in the treatment of osteoporosis. MicroRNAs (miRNAs) are a class of single stranded noncoding RNAs consisting of 18-22 nucleotides that have an important role in cell differentiation, cell fate, apoptosis, and pathogenesis in various disease states. The potential therapeutic and biomarker function of miRNAs in treating bone disorders is receiving more attention. The current review summarizes the role of miRNAs in bone function at a cellular level in the context of their therapeutic potential.
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Affiliation(s)
- Junying Chen
- Department of Pathology, 324 Hospital of People's Liberation Army, Chongqing, China
| | - Min Qiu
- Department of Pathology, 324 Hospital of People's Liberation Army, Chongqing, China
| | - Ce Dou
- Department of Biomedical Materials Science, School of Biomedical Engineering, Third Military Medical University, Chongqing, China
| | - Zhen Cao
- Department of Biomedical Materials Science, School of Biomedical Engineering, Third Military Medical University, Chongqing, China
| | - Shiwu Dong
- Department of Biomedical Materials Science, School of Biomedical Engineering, Third Military Medical University, Chongqing, China
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23
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Rossi M, Calimeri T, Tagliaferri P, Tassone P. Multiple myeloma-related bone disease: state-of-art and next future treatments. Int J Hematol Oncol 2015. [DOI: 10.2217/ijh.14.45] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022] Open
Abstract
SUMMARY Multiple myeloma (MM) is a plasma cell malignancy associated with the development of life-threatening and/or severe osteolytic lesions, which significantly worsen the quality of life of affected patients. MM-related bone disease (BD) is the result of an overwhelming osteoclastic activity, while osteoblast-mediated bone formation is inhibited. Bisphosphonates are still the mainstay of therapy for BD. However, these drugs are associated with mid long-term sequelae. In this work, we review the pathogenesis and currently available therapies of MM-related BD. We describe the most recent and promising findings that may translate in changing the clinical practice in the next future.
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Affiliation(s)
- Marco Rossi
- Department of Experimental & Clinical Medicine, Magna Graecia University & Medical Oncology Unit, T. Campanella Cancer Center, Salvatore Venuta University Campus, Catanzaro, Italy
| | - Teresa Calimeri
- Department of Experimental & Clinical Medicine, Magna Graecia University & Medical Oncology Unit, T. Campanella Cancer Center, Salvatore Venuta University Campus, Catanzaro, Italy
| | - Pierosandro Tagliaferri
- Department of Experimental & Clinical Medicine, Magna Graecia University & Medical Oncology Unit, T. Campanella Cancer Center, Salvatore Venuta University Campus, Catanzaro, Italy
| | - Pierfrancesco Tassone
- Department of Experimental & Clinical Medicine, Magna Graecia University & Medical Oncology Unit, T. Campanella Cancer Center, Salvatore Venuta University Campus, Catanzaro, Italy
- Sbarro Institute for Cancer Research & Molecular Medicine, Center for Biotechnology, College of Science & Technology, Temple University, Philadelphia, PA 19122, USA
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