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Du ZY, Zhu HL, Chang W, Zhang YF, Ling Q, Wang KW, Zhang J, Zhang QB, Kan XL, Wang QN, Wang H, Zhou Y. Maternal prednisone exposure during pregnancy elevates susceptibility to osteoporosis in female offspring: The role of mitophagy/FNDC5 alteration in skeletal muscle. JOURNAL OF HAZARDOUS MATERIALS 2024; 469:133997. [PMID: 38508115 DOI: 10.1016/j.jhazmat.2024.133997] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/26/2024] [Revised: 03/01/2024] [Accepted: 03/08/2024] [Indexed: 03/22/2024]
Abstract
Maternal exposure to glucocorticoids has been associated with adverse outcomes in offspring. However, the consequences and mechanisms of gestational exposure to prednisone on susceptibility to osteoporosis in the offspring remain unclear. Here, we found that gestational prednisone exposure enhanced susceptibility to osteoporosis in adult mouse offspring. In a further exploration of myogenic mechanisms, results showed that gestational prednisone exposure down-regulated FNDC5/irisin protein expression and activation of OPTN-dependent mitophagy in skeletal muscle of adult offspring. Additional experiments elucidated that activated mitophagy significantly inhibited the expression of FNDC5/irisin in skeletal muscle cells. Likewise, we observed delayed fetal bone development, downregulated FNDC5/irisin expression, and activated mitophagy in fetal skeletal muscle upon gestational prednisone exposure. In addition, an elevated total m6A level was observed in fetal skeletal muscle after gestational prednisone exposure. Finally, gestational supplementation with S-adenosylhomocysteine (SAH), an inhibitor of m6A activity, attenuated mitophagy and restored FNDC5/irisin expression in fetal skeletal muscle, which in turn reversed fetal bone development. Overall, these data indicate that gestational prednisone exposure increases m6A modification, activates mitophagy, and decreases FNDC5/irisin expression in skeletal muscle, thus elevating osteoporosis susceptibility in adult offspring. Our results provide a new perspective on the earlier prevention and treatment of fetal-derived osteoporosis.
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Affiliation(s)
- Zun-Yu Du
- Department of Rehabilitation Medicine, The Second Affiliated Hospital of Anhui Medical University, Hefei, China; Key Laboratory of Environmental Toxicology of Anhui Higher Education Institutes, Hefei, China
| | - Hua-Long Zhu
- Key Laboratory of Environmental Toxicology of Anhui Higher Education Institutes, Hefei, China; Department of Toxicology, School of Public Health, Anhui Medical University, Hefei, China
| | - Wei Chang
- Key Laboratory of Environmental Toxicology of Anhui Higher Education Institutes, Hefei, China; Department of Toxicology, School of Public Health, Anhui Medical University, Hefei, China
| | - Yu-Feng Zhang
- Key Laboratory of Environmental Toxicology of Anhui Higher Education Institutes, Hefei, China; Department of Toxicology, School of Public Health, Anhui Medical University, Hefei, China; Teaching and Research Section of Nuclear Medicine, School of Basic Medical Sciences, Anhui Medical University, Hefei 230032, China
| | - Qing Ling
- Key Laboratory of Environmental Toxicology of Anhui Higher Education Institutes, Hefei, China; Department of Toxicology, School of Public Health, Anhui Medical University, Hefei, China
| | - Kai-Wen Wang
- Key Laboratory of Environmental Toxicology of Anhui Higher Education Institutes, Hefei, China; Department of Toxicology, School of Public Health, Anhui Medical University, Hefei, China
| | - Jin Zhang
- Key Laboratory of Environmental Toxicology of Anhui Higher Education Institutes, Hefei, China; Department of Toxicology, School of Public Health, Anhui Medical University, Hefei, China
| | - Quan-Bing Zhang
- Department of Rehabilitation Medicine, The Second Affiliated Hospital of Anhui Medical University, Hefei, China
| | - Xiu-Li Kan
- Department of Rehabilitation Medicine, The Second Affiliated Hospital of Anhui Medical University, Hefei, China
| | - Qu-Nan Wang
- Key Laboratory of Environmental Toxicology of Anhui Higher Education Institutes, Hefei, China; Department of Toxicology, School of Public Health, Anhui Medical University, Hefei, China
| | - Hua Wang
- Key Laboratory of Environmental Toxicology of Anhui Higher Education Institutes, Hefei, China; Department of Toxicology, School of Public Health, Anhui Medical University, Hefei, China.
| | - Yun Zhou
- Department of Rehabilitation Medicine, The Second Affiliated Hospital of Anhui Medical University, Hefei, China.
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Liu J, Liu R, Wang H, Zhang Z, Wang J, Wei F. CircPRKD3/miR-6783-3p responds to mechanical force to facilitate the osteogenesis of stretched periodontal ligament stem cells. J Orthop Surg Res 2024; 19:257. [PMID: 38649946 PMCID: PMC11036753 DOI: 10.1186/s13018-024-04727-7] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 01/11/2024] [Accepted: 04/06/2024] [Indexed: 04/25/2024] Open
Abstract
BACKGROUND The mechanotransduction mechanisms by which cells regulate tissue remodeling are not fully deciphered. Circular RNAs (circRNAs) are crucial to various physiological processes, including cell cycle, differentiation, and polarization. However, the effects of mechanical force on circRNAs and the role of circRNAs in the mechanobiology of differentiation and remodeling in stretched periodontal ligament stem cells (PDLSCs) remain unclear. This article aims to explore the osteogenic function of mechanically sensitive circular RNA protein kinase D3 (circPRKD3) and elucidate its underlying mechanotransduction mechanism. MATERIALS AND METHODS PDLSCs were elongated with 8% stretch at 0.5 Hz for 24 h using the Flexcell® FX-6000™ Tension System. CircPRKD3 was knockdown or overexpressed with lentiviral constructs or plasmids. The downstream molecules of circPRKD3 were predicted by bioinformatics analysis. The osteogenic effect of related molecules was evaluated by quantitative real-time PCR (qRT-PCR) and western blot. RESULTS Mechanical force enhanced the osteogenesis of PDLSCs and increased the expression of circPRKD3. Knockdown of circPRKD3 hindered PDLSCs from osteogenesis under mechanical force, while overexpression of circPRKD3 promoted the early osteogenesis process of PDLSCs. With bioinformatics analysis and multiple software predictions, we identified hsa-miR-6783-3p could act as the sponge of circPRKD3 to indirectly regulate osteogenic differentiation of mechanically stimulated PDLSCs. CONCLUSIONS Our results first suggested that both circPRKD3 and hsa-miR-6783-3p could enhance osteogenesis of stretched PDLSCs. Furthermore, hsa-miR-6783-3p could sponge circPRKD3 to indirectly regulate RUNX2 during the periodontal tissue remodeling process in orthodontic treatment.
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Affiliation(s)
- Jiani Liu
- Department of Orthodontics, School and Hospital of Stomatology, Cheeloo College of Medicine, Shandong University & Shandong Key Laboratory of Oral Tissue Regeneration & Shandong Engineering Research Center of Dental Materials and Oral Tissue Regeneration & Shandong Provincial Clinical Research Center for Oral Diseases, No. 44-1 Wenhua Road West, Jinan, Shandong, 250012, China
| | - Rui Liu
- Department of Orthodontics, School and Hospital of Stomatology, Cheeloo College of Medicine, Shandong University & Shandong Key Laboratory of Oral Tissue Regeneration & Shandong Engineering Research Center of Dental Materials and Oral Tissue Regeneration & Shandong Provincial Clinical Research Center for Oral Diseases, No. 44-1 Wenhua Road West, Jinan, Shandong, 250012, China
| | - Hong Wang
- Department of Orthodontics, School and Hospital of Stomatology, Cheeloo College of Medicine, Shandong University & Shandong Key Laboratory of Oral Tissue Regeneration & Shandong Engineering Research Center of Dental Materials and Oral Tissue Regeneration & Shandong Provincial Clinical Research Center for Oral Diseases, No. 44-1 Wenhua Road West, Jinan, Shandong, 250012, China
| | - Zijie Zhang
- Department of Orthodontics, School and Hospital of Stomatology, Cheeloo College of Medicine, Shandong University & Shandong Key Laboratory of Oral Tissue Regeneration & Shandong Engineering Research Center of Dental Materials and Oral Tissue Regeneration & Shandong Provincial Clinical Research Center for Oral Diseases, No. 44-1 Wenhua Road West, Jinan, Shandong, 250012, China
| | - Jixiao Wang
- Department of Orthodontics, School and Hospital of Stomatology, Cheeloo College of Medicine, Shandong University & Shandong Key Laboratory of Oral Tissue Regeneration & Shandong Engineering Research Center of Dental Materials and Oral Tissue Regeneration & Shandong Provincial Clinical Research Center for Oral Diseases, No. 44-1 Wenhua Road West, Jinan, Shandong, 250012, China
| | - Fulan Wei
- Department of Orthodontics, School and Hospital of Stomatology, Cheeloo College of Medicine, Shandong University & Shandong Key Laboratory of Oral Tissue Regeneration & Shandong Engineering Research Center of Dental Materials and Oral Tissue Regeneration & Shandong Provincial Clinical Research Center for Oral Diseases, No. 44-1 Wenhua Road West, Jinan, Shandong, 250012, China.
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Xiao Y, Chen L, Xu Y, Yu R, Lu J, Ke Y, Guo R, Gu T, Yu H, Fang Y, Li Z, Yu J. Circ-ZNF236 mediates stem cells from apical papilla differentiation by regulating LGR4-induced autophagy. Int Endod J 2024; 57:431-450. [PMID: 38240345 DOI: 10.1111/iej.14021] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/17/2023] [Revised: 11/06/2023] [Accepted: 01/03/2024] [Indexed: 03/07/2024]
Abstract
AIM Human stem cells from the apical papilla (SCAPs) are an appealing stem cell source for tissue regeneration engineering. Circular RNAs (circRNAs) are known to exert pivotal regulatory functions in various cell differentiation processes, including osteogenesis of mesenchymal stem cells. However, few studies have shown the potential mechanism of circRNAs in the odonto/osteogenic differentiation of SCAPs. Herein, we identified a novel circRNA, circ-ZNF236 (hsa_circ_0000857) and found that it was remarkably upregulated during the SCAPs committed differentiation. Thus, in this study, we showed the significance of circ-ZNF236 in the odonto/osteogenic differentiation of SCAPs and its underlying regulatory mechanisms. METHODOLOGY The circular structure of circ-ZNF236 was identified via Sanger sequencing, amplification of convergent and divergent primers. The proliferation of SCAPs was detected by CCK-8, flow cytometry analysis and EdU incorporation assay. Western blotting, qRT-PCR, Alkaline phosphatase (ALP) and Alizarin red staining (ARS) were performed to explore the regulatory effect of circ-ZNF236/miR-218-5p/LGR4 axis in the odonto/osteogenic differentiation of SCAPs in vitro. Fluorescence in situ hybridization, as well as dual-luciferase reporting assays, revealed that circ-ZNF236 binds to miR-218-5p. Transmission electron microscopy (TEM) and mRFP-GFP-LC3 lentivirus were performed to detect the activation of autophagy. RESULTS Circ-ZNF236 was identified as a highly stable circRNA with a covalent closed loop structure. Circ-ZNF236 had no detectable influence on cell proliferation but positively regulated SCAPs odonto/osteogenic differentiation. Furthermore, circ-ZNF236 was confirmed as a sponge of miR-218-5p in SCAPs, while miR-218-5p targets LGR4 mRNA at its 3'-UTR. Subsequent rescue experiments revealed that circ-ZNF236 regulates odonto/osteogenic differentiation by miR-218-5p/LGR4 in SCAPs. Importantly, circ-ZNF236 activated autophagy, and the activation of autophagy strengthened the committed differentiation capability of SCAPs. Subsequently, in vivo experiments showed that SCAPs overexpressing circ-ZNF236 promoted bone formation in a rat skull defect model. CONCLUSIONS Circ-ZNF236 could activate autophagy through increasing LGR4 expression, thus positively regulating SCAPs odonto/osteogenic differentiation. Our findings suggested that circ-ZNF236 might represent a novel therapeutic target to prompt the odonto/osteogenic differentiation of SCAPs.
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Affiliation(s)
- Ya Xiao
- Key Laboratory of Oral Diseases of Jiangsu Province and Stomatological Institute of Nanjing Medical University, Nanjing, China
- Endodontic Department, School of Stomatology, Nanjing Medical University, Nanjing, China
| | - Luyao Chen
- Key Laboratory of Oral Diseases of Jiangsu Province and Stomatological Institute of Nanjing Medical University, Nanjing, China
- Endodontic Department, School of Stomatology, Nanjing Medical University, Nanjing, China
| | - Yunlong Xu
- Endodontic Department, Changzhou Stomatological Hospital, Changzhou, Jiangsu, China
| | - Ruiyang Yu
- School of Pediatrics, Nanjing Medical University, Nanjing, China
| | - Jiamin Lu
- Endodontic Department, Changzhou Stomatological Hospital, Changzhou, Jiangsu, China
| | - Yue Ke
- Key Laboratory of Oral Diseases of Jiangsu Province and Stomatological Institute of Nanjing Medical University, Nanjing, China
- Endodontic Department, School of Stomatology, Nanjing Medical University, Nanjing, China
| | - Rong Guo
- Key Laboratory of Oral Diseases of Jiangsu Province and Stomatological Institute of Nanjing Medical University, Nanjing, China
- Endodontic Department, School of Stomatology, Nanjing Medical University, Nanjing, China
| | - Tingjie Gu
- Key Laboratory of Oral Diseases of Jiangsu Province and Stomatological Institute of Nanjing Medical University, Nanjing, China
- Endodontic Department, School of Stomatology, Nanjing Medical University, Nanjing, China
| | - Haowen Yu
- Key Laboratory of Oral Diseases of Jiangsu Province and Stomatological Institute of Nanjing Medical University, Nanjing, China
- Endodontic Department, School of Stomatology, Nanjing Medical University, Nanjing, China
| | - Yuxin Fang
- Key Laboratory of Oral Diseases of Jiangsu Province and Stomatological Institute of Nanjing Medical University, Nanjing, China
- Endodontic Department, School of Stomatology, Nanjing Medical University, Nanjing, China
| | - Zehan Li
- Key Laboratory of Oral Diseases of Jiangsu Province and Stomatological Institute of Nanjing Medical University, Nanjing, China
- Endodontic Department, School of Stomatology, Nanjing Medical University, Nanjing, China
| | - Jinhua Yu
- Endodontic Department, School of Stomatology, Nanjing Medical University, Nanjing, China
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Wu J, Li X, Nie H, Shen Y, Guo Z, Huihan Chu C, Cai K, Tang C. Phytic acid promotes high glucose-mediated bone marrow mesenchymal stem cells osteogenesis via modulating circEIF4B that sponges miR-186-5p and complexes with IGF2BP3. Biochem Pharmacol 2024; 222:116118. [PMID: 38467376 DOI: 10.1016/j.bcp.2024.116118] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/07/2023] [Revised: 12/26/2023] [Accepted: 03/07/2024] [Indexed: 03/13/2024]
Abstract
Diabetes-related hyperglycemia inhibits bone marrow mesenchymal stem cell (BMSC) function, thereby disrupting osteoblast capacity and bone regeneration. Dietary supplementation with phytic acid (PA), a natural inositol phosphate, has shown promise in preventing osteoporosis and diabetes-related complications. Emerging evidence has suggested that circular (circ)RNAs implicate in the regulation of bone diseases, but their specific regulatory roles in BMSC osteogenesis in hyperglycemic environments remain elucidated. In this study, in virto experiments demonstrated that PA treatment effectively improved the osteogenic capability of high glucose-mediated BMSCs. Differentially expressed circRNAs in PA-induced BMSCs were identified using circRNA microarray analysis. Here, our findings highlight an upregulation of circEIF4B expression in BMSCs stimulated with PA under a high-glucose microenvironment. Further investigations demonstrated that circEIF4B overexpression promoted high glucose-mediated BMSC osteogenesis. In contrast, circEIF4B knockdown exerted the opposite effect. Mechanistically, circEIF4B sequestered microRNA miR-186-5p and triggered osteogenesis enhancement in BMSCs by targeting FOXO1 directly. Furthermore, circEIF4B inhibited the ubiquitin-mediated degradation of IGF2BP3, thereby stabilizing ITGA5 mRNA and promoting BMSC osteogenic differentiation. In vivo experiments, circEIF4B inhibition attenuated the effectiveness of PA treatment in diabetic rats with cranial defects. Collectively, our study identifies PA as a novel positive regulator of BMSC osteogenic differentiation through the circEIF4B/miR-186-5p/FOXO1 and circEIF4B/IGF2BP3/ITGA5 axes, which offers a new strategy for treating high glucose-mediatedBMSCosteogenic dysfunction and delayed bone regeneration in diabetes.
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Affiliation(s)
- Jin Wu
- Department of Oral Implantology Affiliated Hospital of Stomatology, Nanjing Medical University, 136 Hanzhong Road, Nanjing, Jiangsu Province 210029, China; Jiangsu Key Laboratory of Oral Diseases, Nanjing Medical University, 140 Hanzhong Road, Nanjing, Jiangsu Province 210029, China
| | - Xiang Li
- Jiangsu Key Laboratory of Oral Diseases, Nanjing Medical University, 140 Hanzhong Road, Nanjing, Jiangsu Province 210029, China; Department of Oral and Maxillofacial Surgery Affiliated Hospital of Stomatology, Nanjing Medical University, 136 Hanzhong Road, Nanjing, Jiangsu Province 210029, China
| | - Hepeng Nie
- Jiangsu Key Laboratory of Oral Diseases, Nanjing Medical University, 140 Hanzhong Road, Nanjing, Jiangsu Province 210029, China; Department of General Dentistry Affiliated Hospital of Stomatology, Nanjing Medical University, 136 Hanzhong Road, Nanjing, Jiangsu Province 210029, China
| | - Yue Shen
- Department of Oral Implantology Affiliated Hospital of Stomatology, Nanjing Medical University, 136 Hanzhong Road, Nanjing, Jiangsu Province 210029, China; Jiangsu Key Laboratory of Oral Diseases, Nanjing Medical University, 140 Hanzhong Road, Nanjing, Jiangsu Province 210029, China
| | - Zixiang Guo
- Department of Oral Implantology Affiliated Hospital of Stomatology, Nanjing Medical University, 136 Hanzhong Road, Nanjing, Jiangsu Province 210029, China; Jiangsu Key Laboratory of Oral Diseases, Nanjing Medical University, 140 Hanzhong Road, Nanjing, Jiangsu Province 210029, China
| | - Catherine Huihan Chu
- Jiangsu Key Laboratory of Oral Diseases, Nanjing Medical University, 140 Hanzhong Road, Nanjing, Jiangsu Province 210029, China; Department of Orthodontics Affiliated Hospital of Stomatology, Nanjing Medical University, 136 Hanzhong Road, Nanjing, Jiangsu Province 210029, China
| | - Kunzhan Cai
- Department of Oral Implantology Affiliated Hospital of Stomatology, Nanjing Medical University, 136 Hanzhong Road, Nanjing, Jiangsu Province 210029, China; Jiangsu Key Laboratory of Oral Diseases, Nanjing Medical University, 140 Hanzhong Road, Nanjing, Jiangsu Province 210029, China
| | - Chunbo Tang
- Department of Oral Implantology Affiliated Hospital of Stomatology, Nanjing Medical University, 136 Hanzhong Road, Nanjing, Jiangsu Province 210029, China; Jiangsu Key Laboratory of Oral Diseases, Nanjing Medical University, 140 Hanzhong Road, Nanjing, Jiangsu Province 210029, China.
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Chen G, Wang S, Wei R, Liu Y, Xu T, Liu Z, Tan Z, Xie Y, Yang D, Liang Z, Zhuang Y, Peng S. Circular RNA circ-3626 promotes bone formation by modulating the miR-338-3p/Runx2 axis. Joint Bone Spine 2024; 91:105669. [PMID: 38042362 DOI: 10.1016/j.jbspin.2023.105669] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/26/2023] [Revised: 10/11/2023] [Accepted: 11/09/2023] [Indexed: 12/04/2023]
Abstract
OBJECTIVE Disorders of bone homeostasis are the key factors leading to metabolic bone disease, such as senile osteoporosis, which is characterized by age-related bone loss. Bone marrow stromal cells (BMSCs) possess high osteogenic capacity which has been regarded as a practical approach to preventing bone loss. Previous studies have shown that the osteogenic differentiation ability of BMSCs is significantly decreased in senile osteoporosis. Recently, circular RNAs (circRNAs) have been regarded as critical regulators in controlling the osteogenic differentiation of BMSCs by sponging microRNAs (miRNAs). Our study aimed to discover new and critical osteogenesis-related circRNAs that can promote bone formation in senile osteoporosis. METHODS We detected the dysregulated circRNAs of BMSCs upon osteogenic differentiation induction and identified the critical osteogenic circRNA (circ-3626). The relationship between circ-3626 and osteoporosis was further verified in clinical bone samples and aged mice by qPCR. Moreover, circ-3626 AAV was constructed to examine the osteogenic effect of circ-3626 on bone formation via using Micro-CT, double calcein labeling, and the three-point bending tests. Bioinformatics analysis, Luciferase report gene assays, FISH, RNA pull-down, qPCR, Western Blots, and alizarin red staining assay explore the effects and mechanisms of circ-3626 on osteogenic differentiation of BMSCs. RESULTS Circ-3626 was identified as a pivotal osteogenesis-related circRNA via RNA sequencing. The results of alizarin red staining, Western blots, and qPCR assays suggest that overexpressing circ-3626 dramatically accelerates the osteogenic capability of BMSCs. Furthermore, the bone repair capability of aging mice could be significantly improved by circ-3626 AAV treatment. Micro RNA miR-338-3p was identified as the downstream target of circ-3626. Overexpression of circ-3626 increases the expression of Runx2 by sponging miR-338-3p, thereby promoting the osteogenic differentiation of BMSCs by upregulating the expression of osteogenic genes. In addition, Western blots, and qPCR assays suggest circ-3626 AAV treatment promote the expression of Runx2 and osteogenic marker genes. CONCLUSION Thus, we demonstrate that circ-3626 plays a pivotal role in promoting bone formation through the miR-338-3p/Runx2 axis and may provide new strategies for preventing and treating the bone loss of senile osteoporosis.
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Affiliation(s)
- Gaoyang Chen
- Division of Hand, Foot and Microvascular Surgery, Department of Orthopedic Surgery, Shenzhen People's Hospital (the Second Clinical Medical College of Jinan University, the First Affiliated Hospital of Southern University of Science and Technology), 518020 Shenzhen, China; Key Laboratory of Musculoskeletal Tissue Reconstruction and Function Restoration (ZDSYS20200811143752005), Shenzhen Institute for Orthopedic Research, 518020 Shenzhen, China.
| | - Song Wang
- Division of Spine Surgery, Department of Orthopedic Surgery, Shenzhen People's Hospital (the Second Clinical Medical College of Jinan University, the First Affiliated Hospital of Southern University of Science and Technology), 518020 Shenzhen, China; Key Laboratory of Musculoskeletal Tissue Reconstruction and Function Restoration (ZDSYS20200811143752005), Shenzhen Institute for Orthopedic Research, 518020 Shenzhen, China
| | - Ruihong Wei
- Division of Hand, Foot and Microvascular Surgery, Department of Orthopedic Surgery, Shenzhen People's Hospital (the Second Clinical Medical College of Jinan University, the First Affiliated Hospital of Southern University of Science and Technology), 518020 Shenzhen, China; Key Laboratory of Musculoskeletal Tissue Reconstruction and Function Restoration (ZDSYS20200811143752005), Shenzhen Institute for Orthopedic Research, 518020 Shenzhen, China
| | - Yingnan Liu
- Division of Hand, Foot and Microvascular Surgery, Department of Orthopedic Surgery, Shenzhen People's Hospital (the Second Clinical Medical College of Jinan University, the First Affiliated Hospital of Southern University of Science and Technology), 518020 Shenzhen, China; Key Laboratory of Musculoskeletal Tissue Reconstruction and Function Restoration (ZDSYS20200811143752005), Shenzhen Institute for Orthopedic Research, 518020 Shenzhen, China
| | - Tao Xu
- Division of Hand, Foot and Microvascular Surgery, Department of Orthopedic Surgery, Shenzhen People's Hospital (the Second Clinical Medical College of Jinan University, the First Affiliated Hospital of Southern University of Science and Technology), 518020 Shenzhen, China; Key Laboratory of Musculoskeletal Tissue Reconstruction and Function Restoration (ZDSYS20200811143752005), Shenzhen Institute for Orthopedic Research, 518020 Shenzhen, China
| | - Zhaokang Liu
- Division of Hand, Foot and Microvascular Surgery, Department of Orthopedic Surgery, Shenzhen People's Hospital (the Second Clinical Medical College of Jinan University, the First Affiliated Hospital of Southern University of Science and Technology), 518020 Shenzhen, China; Key Laboratory of Musculoskeletal Tissue Reconstruction and Function Restoration (ZDSYS20200811143752005), Shenzhen Institute for Orthopedic Research, 518020 Shenzhen, China
| | - Zhouyong Tan
- Division of Hand, Foot and Microvascular Surgery, Department of Orthopedic Surgery, Shenzhen People's Hospital (the Second Clinical Medical College of Jinan University, the First Affiliated Hospital of Southern University of Science and Technology), 518020 Shenzhen, China; Key Laboratory of Musculoskeletal Tissue Reconstruction and Function Restoration (ZDSYS20200811143752005), Shenzhen Institute for Orthopedic Research, 518020 Shenzhen, China
| | - Yongheng Xie
- Division of Spine Surgery, Department of Orthopedic Surgery, Shenzhen People's Hospital (the Second Clinical Medical College of Jinan University, the First Affiliated Hospital of Southern University of Science and Technology), 518020 Shenzhen, China; Key Laboratory of Musculoskeletal Tissue Reconstruction and Function Restoration (ZDSYS20200811143752005), Shenzhen Institute for Orthopedic Research, 518020 Shenzhen, China
| | - Dazhi Yang
- Division of Spine Surgery, Department of Orthopedic Surgery, Shenzhen People's Hospital (the Second Clinical Medical College of Jinan University, the First Affiliated Hospital of Southern University of Science and Technology), 518020 Shenzhen, China; Key Laboratory of Musculoskeletal Tissue Reconstruction and Function Restoration (ZDSYS20200811143752005), Shenzhen Institute for Orthopedic Research, 518020 Shenzhen, China
| | - Zhen Liang
- Department of Geriatrics, Shenzhen People's Hospital (the Second Clinical Medical College of Jinan University, the First Affiliated Hospital of Southern University of Science and Technology), 518020 Shenzhen, China
| | - Yongqing Zhuang
- Division of Hand, Foot and Microvascular Surgery, Department of Orthopedic Surgery, Shenzhen People's Hospital (the Second Clinical Medical College of Jinan University, the First Affiliated Hospital of Southern University of Science and Technology), 518020 Shenzhen, China; Key Laboratory of Musculoskeletal Tissue Reconstruction and Function Restoration (ZDSYS20200811143752005), Shenzhen Institute for Orthopedic Research, 518020 Shenzhen, China.
| | - Songlin Peng
- Division of Spine Surgery, Department of Orthopedic Surgery, Shenzhen People's Hospital (the Second Clinical Medical College of Jinan University, the First Affiliated Hospital of Southern University of Science and Technology), 518020 Shenzhen, China; Key Laboratory of Musculoskeletal Tissue Reconstruction and Function Restoration (ZDSYS20200811143752005), Shenzhen Institute for Orthopedic Research, 518020 Shenzhen, China.
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Mazziotta C, Badiale G, Cervellera CF, Tognon M, Martini F, Rotondo JC. Regulatory mechanisms of circular RNAs during human mesenchymal stem cell osteogenic differentiation. Theranostics 2024; 14:143-158. [PMID: 38164139 PMCID: PMC10750202 DOI: 10.7150/thno.89066] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/11/2023] [Accepted: 10/01/2023] [Indexed: 01/03/2024] Open
Abstract
Human osteogenic differentiation is a complex and well-orchestrated process which involves a plethora of molecular players and cellular processes. A growing number of studies have underlined that circular RNAs (circRNAs) play an important regulatory role during human osteogenic differentiation. CircRNAs are single-stranded, covalently closed non-coding RNA molecules that are acquiring increased attention as epigenetic regulators of gene expression. Given their intrinsic high conformational stability, abundance, and specificity, circRNAs can undertake various biological activities in order to regulate multiple cellular processes, including osteogenic differentiation. The most recent evidence indicates that circRNAs control human osteogenesis by preventing the inhibitory activity of miRNAs on their downstream target genes, using a competitive endogenous RNA mechanism. The aim of this review is to draw attention to the currently known regulatory mechanisms of circRNAs during human osteogenic differentiation. Specifically, we provide an understanding of recent advances in research conducted on various human mesenchymal stem cell types that underlined the importance of circRNAs in regulating osteogenesis. A comprehensive understanding of the underlying regulatory mechanisms of circRNA in osteogenesis will improve knowledge on the molecular processes of bone growth, resulting in the potential development of novel preclinical and clinical studies and the discovery of novel diagnostic and therapeutic tools for bone disorders.
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Affiliation(s)
- Chiara Mazziotta
- Department of Medical Sciences, University of Ferrara, 44121 Ferrara, Italy
- Center for Studies on Gender Medicine - Department of Medical Sciences, University of Ferrara. 64/b, Fossato di Mortara Street. Ferrara, Italy
| | - Giada Badiale
- Department of Medical Sciences, University of Ferrara, 44121 Ferrara, Italy
| | | | - Mauro Tognon
- Department of Medical Sciences, University of Ferrara, 44121 Ferrara, Italy
| | - Fernanda Martini
- Department of Medical Sciences, University of Ferrara, 44121 Ferrara, Italy
- Center for Studies on Gender Medicine - Department of Medical Sciences, University of Ferrara. 64/b, Fossato di Mortara Street. Ferrara, Italy
- Laboratory for Technologies of Advanced Therapies (LTTA), University of Ferrara, 44121 Ferrara, Italy
| | - John Charles Rotondo
- Department of Medical Sciences, University of Ferrara, 44121 Ferrara, Italy
- Center for Studies on Gender Medicine - Department of Medical Sciences, University of Ferrara. 64/b, Fossato di Mortara Street. Ferrara, Italy
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7
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Long Q, Xiang M, Xiao L, Wang J, Guan X, Liu J, Liao C. The Biological Significance of AFF4: Promoting Transcription Elongation, Osteogenic Differentiation and Tumor Progression. Comb Chem High Throughput Screen 2024; 27:1403-1412. [PMID: 37815186 DOI: 10.2174/0113862073241079230920082056] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/20/2022] [Revised: 06/23/2023] [Accepted: 07/27/2023] [Indexed: 10/11/2023]
Abstract
As a member of the AF4/FMR2 (AFF) family, AFF4 is a scaffold protein in the superelongation complex (SEC). In this mini-view, we discuss the role of AFF4 as a transcription elongation factor that mediates HIV activation and replication and stem cell osteogenic differentiation. AFF4 also promotes the progression of head and neck squamous cell carcinoma, leukemia, breast cancer, bladder cancer and other malignant tumors. The biological function of AFF4 is largely achieved through SEC assembly, regulates SRY-box transcription factor 2 (SOX2), MYC, estrogen receptor alpha (ESR1), inhibitor of differentiation 1 (ID1), c-Jun and noncanonical nuclear factor-κB (NF-κB) transcription and combines with fusion in sarcoma (FUS), unique regulatory cyclins (CycT1), or mixed lineage leukemia (MLL). We explore the prospects of using AFF4 as a therapeutic in Acquired immunodeficiency syndrome (AIDS) and malignant tumors and its potential as a stemness regulator.
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Affiliation(s)
- Qian Long
- Department of Orthodontics II, Affiliated Stomatological Hospital of Zunyi Medical University, Zunyi, 563000, China
- Oral Disease Research Key Laboratory of Guizhou Tertiary Institution, School of Stomatology, Zunyi Medical University, Zunyi, 563006, China
| | - Mingli Xiang
- Department of Orthodontics II, Affiliated Stomatological Hospital of Zunyi Medical University, Zunyi, 563000, China
- Oral Disease Research Key Laboratory of Guizhou Tertiary Institution, School of Stomatology, Zunyi Medical University, Zunyi, 563006, China
| | - Linlin Xiao
- Department of Orthodontics II, Affiliated Stomatological Hospital of Zunyi Medical University, Zunyi, 563000, China
- Oral Disease Research Key Laboratory of Guizhou Tertiary Institution, School of Stomatology, Zunyi Medical University, Zunyi, 563006, China
| | - Jiajia Wang
- Department of Orthodontics II, Affiliated Stomatological Hospital of Zunyi Medical University, Zunyi, 563000, China
- Oral Disease Research Key Laboratory of Guizhou Tertiary Institution, School of Stomatology, Zunyi Medical University, Zunyi, 563006, China
| | - Xiaoyan Guan
- Department of Orthodontics II, Affiliated Stomatological Hospital of Zunyi Medical University, Zunyi, 563000, China
- Oral Disease Research Key Laboratory of Guizhou Tertiary Institution, School of Stomatology, Zunyi Medical University, Zunyi, 563006, China
| | - Jianguo Liu
- Department of Orthodontics II, Affiliated Stomatological Hospital of Zunyi Medical University, Zunyi, 563000, China
- Oral Disease Research Key Laboratory of Guizhou Tertiary Institution, School of Stomatology, Zunyi Medical University, Zunyi, 563006, China
| | - Chengcheng Liao
- Department of Orthodontics II, Affiliated Stomatological Hospital of Zunyi Medical University, Zunyi, 563000, China
- Oral Disease Research Key Laboratory of Guizhou Tertiary Institution, School of Stomatology, Zunyi Medical University, Zunyi, 563006, China
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8
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Wu YP, Zheng WC, Huang Q, Huang XY, Lin F, Ke ZB, You Q, Zheng QS, Wei Y, Xue XY, Xu N. ND630 controls ACACA and lipid reprogramming in prostate cancer by regulating the expression of circKIF18B_003. J Transl Med 2023; 21:877. [PMID: 38049827 PMCID: PMC10694902 DOI: 10.1186/s12967-023-04760-w] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/21/2023] [Accepted: 11/24/2023] [Indexed: 12/06/2023] Open
Abstract
BACKGROUND ND630 is believed to be a new therapy pharmacologic molecule in targeting the expression of ACACA and regulating the lipid metabolism. However, the function of ND630 in prostate cancer remains unknown. KIF18B, as an oncogene, plays a vital role in prostate cancer progression. circKIF18B_003 was derived from oncogene KIF18B and was markedly overexpressed in prostate cancer tissues. We speculated that oncoprotein KIF18B-derived circRNA circKIF18B_003 might have roles in prostate cancer promotion. The aim of this study was to validate whether ND630 could control ACACA and lipid reprogramming in prostate cancer by regulating the expression of circKIF18B_003. METHODS RT-qPCR was used to analyze the expression of circKIF18B_003 in prostate cancer cell lines and prostate cancer samples. circKIF18B_003 expression was modulated in prostate cancer cells using circKIF18B_003 interference or overexpression plasmid. We examined the function and effects of circKIF18B_003 in prostate cancer cells using CCK-8, colony formation, wound healing, and Transwell invasion assays and xenograft models. Fluorescence in situ hybridization (FISH) was performed to evaluate the localization of circKIF18B_003. RNA immunoprecipitation (RIP), RNA pull down, and luciferase reporter assay were performed to explore the potential mechanism of circKIF18B_003. RESULTS The function of ND630 was determined in this study. circKIF18B_003 was overexpressed in prostate cancer tissues, and overexpression of circKIF18B_003 was associated with poor survival outcome of prostate cancer patients. The proliferation, migration, and invasion of prostate cancer cells were enhanced after up-regulation of circKIF18B_003. circKIF18B_003 is mainly located in the cytoplasm of prostate cancer cells, and the RIP and RNA pull down assays confirmed that circKIF18B_003 could act as a sponge for miR-370-3p. Further study demonstrated that up-regulation of circKIF18B_003 increased the expression of ACACA by sponging miR-370-3p. The malignant ability of prostate cancer cells enhanced by overexpression of circKIF18B_003 was reversed by the down-regulation of ACACA. We found that overexpression of circKIF18B_003 was associated with lipid metabolism, and a combination of ND-630 and docetaxel markedly attenuated tumor growth. CONCLUSION ND630 could control ACACA and lipid reprogramming in prostate cancer by regulating the expression of circKIF18B_003. ND630 and circKIF18B_003 may represent a novel target for prostate cancer.
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Affiliation(s)
- Yu-Peng Wu
- Department of Urology, Urology Research Institute, The First Affiliated Hospital, Fujian Medical University, 20 Chazhong Road, Fuzhou, 350005, China
- Department of Urology, National Region Medical Centre, Binhai Campus of the First Affiliated Hospital, Fujian Medical University, Fuzhou, 350212, China
| | - Wen-Cai Zheng
- Department of Urology, Urology Research Institute, The First Affiliated Hospital, Fujian Medical University, 20 Chazhong Road, Fuzhou, 350005, China
- Department of Urology, National Region Medical Centre, Binhai Campus of the First Affiliated Hospital, Fujian Medical University, Fuzhou, 350212, China
| | - Qi Huang
- Department of Urology, Urology Research Institute, The First Affiliated Hospital, Fujian Medical University, 20 Chazhong Road, Fuzhou, 350005, China
- Department of Urology, National Region Medical Centre, Binhai Campus of the First Affiliated Hospital, Fujian Medical University, Fuzhou, 350212, China
| | - Xu-Yun Huang
- Department of Urology, Urology Research Institute, The First Affiliated Hospital, Fujian Medical University, 20 Chazhong Road, Fuzhou, 350005, China
- Department of Urology, National Region Medical Centre, Binhai Campus of the First Affiliated Hospital, Fujian Medical University, Fuzhou, 350212, China
| | - Fei Lin
- Department of Urology, Urology Research Institute, The First Affiliated Hospital, Fujian Medical University, 20 Chazhong Road, Fuzhou, 350005, China
- Department of Urology, National Region Medical Centre, Binhai Campus of the First Affiliated Hospital, Fujian Medical University, Fuzhou, 350212, China
| | - Zhi-Bin Ke
- Department of Urology, Urology Research Institute, The First Affiliated Hospital, Fujian Medical University, 20 Chazhong Road, Fuzhou, 350005, China
- Department of Urology, National Region Medical Centre, Binhai Campus of the First Affiliated Hospital, Fujian Medical University, Fuzhou, 350212, China
| | - Qi You
- Department of Urology, Urology Research Institute, The First Affiliated Hospital, Fujian Medical University, 20 Chazhong Road, Fuzhou, 350005, China
- Department of Urology, National Region Medical Centre, Binhai Campus of the First Affiliated Hospital, Fujian Medical University, Fuzhou, 350212, China
| | - Qing-Shui Zheng
- Department of Urology, Urology Research Institute, The First Affiliated Hospital, Fujian Medical University, 20 Chazhong Road, Fuzhou, 350005, China
- Department of Urology, National Region Medical Centre, Binhai Campus of the First Affiliated Hospital, Fujian Medical University, Fuzhou, 350212, China
| | - Yong Wei
- Department of Urology, Urology Research Institute, The First Affiliated Hospital, Fujian Medical University, 20 Chazhong Road, Fuzhou, 350005, China
- Department of Urology, National Region Medical Centre, Binhai Campus of the First Affiliated Hospital, Fujian Medical University, Fuzhou, 350212, China
| | - Xue-Yi Xue
- Department of Urology, Urology Research Institute, The First Affiliated Hospital, Fujian Medical University, 20 Chazhong Road, Fuzhou, 350005, China.
- Department of Urology, National Region Medical Centre, Binhai Campus of the First Affiliated Hospital, Fujian Medical University, Fuzhou, 350212, China.
- Fujian Key Laboratory of Precision Medicine for Cancer, The First Affiliated Hospital, Fujian Medical University, Fuzhou, 350005, China.
| | - Ning Xu
- Department of Urology, Urology Research Institute, The First Affiliated Hospital, Fujian Medical University, 20 Chazhong Road, Fuzhou, 350005, China.
- Department of Urology, National Region Medical Centre, Binhai Campus of the First Affiliated Hospital, Fujian Medical University, Fuzhou, 350212, China.
- Fujian Key Laboratory of Precision Medicine for Cancer, The First Affiliated Hospital, Fujian Medical University, Fuzhou, 350005, China.
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9
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Li Z, Liu Y, Huang Y, Tan Q, Mei H, Zhu G, Liu K, Yang G. Circ_0000888 regulates osteogenic differentiation of periosteal mesenchymal stem cells in congenital pseudarthrosis of the tibia. iScience 2023; 26:107923. [PMID: 37810257 PMCID: PMC10551655 DOI: 10.1016/j.isci.2023.107923] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/14/2022] [Revised: 06/02/2023] [Accepted: 09/12/2023] [Indexed: 10/10/2023] Open
Abstract
Congenital pseudarthrosis of the tibia (CPT) is a refractory condition characterized by the decreased osteogenic ability in tibial pseudarthrosis repair. Periosteal mesenchymal stem cells (PMSCs) are multipotent cells involved in bone formation regulation. However, the mechanisms underlying its role in CPT remain unclear. In this study, we observed downregulation of circ_0000888 and pleiotrophin (PTN), as well as upregulation of miR-338-3p in CPT derived PMSCs (CPT-dPMSCs). Our results demonstrated that circ_0000888 and PTN likely enhanced the viability, proliferation, and osteogenic ability of PMSCs, while miR-338-3p had the opposite effect. Further analysis confirmed the regulatory relationship circ_0000888 suppressed the activity of miR-338-3p and upregulated the expression of its downstream target PTN by binding to miR-338-3p, consequently promoting the viability and osteogenic differentiation ability of CPT-dPMSCs. Our findings unveil an unexpected link between circ_0000888/miR-338-3p/PTN in promoting osteogenic ability and indicate the potential pathogenic mechanisms of CPT.
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Affiliation(s)
- Zhuoyang Li
- Department of Orthopedics, Hunan Provincial Key Laboratory of Pediatric Orthopedics, Hunan Children’s Hospital, Changsha, Hunan, China
- Department of Orthopedics, the First Affiliated Hospital, College of Medicine, Zhejiang University, Hangzhou, Zhejiang, China
| | - Yaoxi Liu
- Department of Orthopedics, Hunan Provincial Key Laboratory of Pediatric Orthopedics, Hunan Children’s Hospital, Changsha, Hunan, China
| | - Yiyong Huang
- Department of Orthopedics, Hunan Provincial Key Laboratory of Pediatric Orthopedics, Hunan Children’s Hospital, Changsha, Hunan, China
| | - Qian Tan
- Department of Orthopedics, Hunan Provincial Key Laboratory of Pediatric Orthopedics, Hunan Children’s Hospital, Changsha, Hunan, China
| | - Haibo Mei
- Department of Orthopedics, Hunan Provincial Key Laboratory of Pediatric Orthopedics, Hunan Children’s Hospital, Changsha, Hunan, China
| | - Guanghui Zhu
- Department of Orthopedics, Hunan Provincial Key Laboratory of Pediatric Orthopedics, Hunan Children’s Hospital, Changsha, Hunan, China
| | - Kun Liu
- Department of Orthopedics, Hunan Provincial Key Laboratory of Pediatric Orthopedics, Hunan Children’s Hospital, Changsha, Hunan, China
| | - Ge Yang
- Department of Orthopedics, Hunan Provincial Key Laboratory of Pediatric Orthopedics, Hunan Children’s Hospital, Changsha, Hunan, China
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10
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Zheng MH, Shan SK, Lin X, Xu F, Wu F, Guo B, Li FXZ, Zhou ZA, Wang Y, Lei LM, Tang KX, Duan JY, Wu YY, Cao YC, Liao XB, Yuan LQ. Vascular wall microenvironment: exosomes secreted by adventitial fibroblasts induced vascular calcification. J Nanobiotechnology 2023; 21:315. [PMID: 37667298 PMCID: PMC10478424 DOI: 10.1186/s12951-023-02000-3] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/25/2023] [Accepted: 07/12/2023] [Indexed: 09/06/2023] Open
Abstract
Vascular calcification often occurs in patients with chronic renal failure (CRF), which significantly increases the incidence of cardiovascular events in CRF patients. Our previous studies identified the crosstalk between the endothelial cells (ECs) and vascular smooth muscle cells (VSMCs), and the paracrine effect of VSMCs, which regulate the calcification of VSMCs. Herein, we aim to investigate the effects of exosomes secreted by high phosphorus (HPi) -induced adventitial fibroblasts (AFs) on the calcification of VSMCs and the underlying mechanism, which will further elucidate the important role of AFs in high phosphorus vascular wall microenvironment. The conditioned medium of HPi-induced AFs promotes the calcification of VSMCs, which is partially abrogated by GW4869, a blocker of exosomes biogenesis or release. Exosomes secreted by high phosphorus-induced AFs (AFsHPi-Exos) show similar effects on VSMCs. miR-21-5p is enriched in AFsHPi-Exos, and miR-21-5p enhances osteoblast-like differentiation of VSMCs by downregulating cysteine-rich motor neuron 1 (Crim1) expression. AFsHPi-Exos and exosomes secreted by AFs with overexpression of miR-21-5p (AFsmiR21M-Exos) significantly accelerate vascular calcification in CRF mice. In general, AFsHPi-Exos promote the calcification of VSMCs and vascular calcification by delivering miR-21-5p to VSMCs and subsequently inhibiting the expression of Crim1. Combined with our previous studies, the present experiment supports the theory of vascular wall microenvironment.
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Grants
- 81770881, 81870623, 82100494, 82100944 and 82070910 National Natural Science Foundation of China
- 81770881, 81870623, 82100494, 82100944 and 82070910 National Natural Science Foundation of China
- 81770881, 81870623, 82100494, 82100944 and 82070910 National Natural Science Foundation of China
- 81770881, 81870623, 82100494, 82100944 and 82070910 National Natural Science Foundation of China
- 2020SK2078 Key R&D Plan of Hunan Province
- 2021JJ40842 Natural Science Foundation of Hunan Province
- Key R&D Plan of Hunan Province
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Affiliation(s)
- Ming-Hui Zheng
- Department of Metabolism and Endocrinology, National Clinical Research Center for Metabolic Diseases, the Second Xiangya Hospital, Central South University, Changsha, 410000, China
| | - Su-Kang Shan
- Department of Metabolism and Endocrinology, National Clinical Research Center for Metabolic Diseases, the Second Xiangya Hospital, Central South University, Changsha, 410000, China
| | - Xiao Lin
- Department of Radiology, the Second Xiangya Hospital, Central South University, Changsha, 410000, China
| | - Feng Xu
- Department of Metabolism and Endocrinology, National Clinical Research Center for Metabolic Diseases, the Second Xiangya Hospital, Central South University, Changsha, 410000, China
| | - Feng Wu
- Department of Pathology, the Second Xiangya Hospital, Central South University, Changsha, 410000, China
| | - Bei Guo
- Department of Metabolism and Endocrinology, National Clinical Research Center for Metabolic Diseases, the Second Xiangya Hospital, Central South University, Changsha, 410000, China
| | - Fu-Xing-Zi Li
- Department of Metabolism and Endocrinology, National Clinical Research Center for Metabolic Diseases, the Second Xiangya Hospital, Central South University, Changsha, 410000, China
| | - Zhi-Ang Zhou
- Department of Cardiovascular Surgery, the Second Xiangya Hospital, Central South University, Changsha, 410000, China
| | - Yi Wang
- Department of Metabolism and Endocrinology, National Clinical Research Center for Metabolic Diseases, the Second Xiangya Hospital, Central South University, Changsha, 410000, China
| | - Li-Min Lei
- Department of Metabolism and Endocrinology, National Clinical Research Center for Metabolic Diseases, the Second Xiangya Hospital, Central South University, Changsha, 410000, China
| | - Ke-Xin Tang
- Department of Metabolism and Endocrinology, National Clinical Research Center for Metabolic Diseases, the Second Xiangya Hospital, Central South University, Changsha, 410000, China
| | - Jia-Yue Duan
- Department of Metabolism and Endocrinology, National Clinical Research Center for Metabolic Diseases, the Second Xiangya Hospital, Central South University, Changsha, 410000, China
| | - Yun-Yun Wu
- Department of Metabolism and Endocrinology, National Clinical Research Center for Metabolic Diseases, the Second Xiangya Hospital, Central South University, Changsha, 410000, China
| | - Ye-Chi Cao
- Department of Metabolism and Endocrinology, National Clinical Research Center for Metabolic Diseases, the Second Xiangya Hospital, Central South University, Changsha, 410000, China
| | - Xiao-Bo Liao
- Department of Cardiovascular Surgery, the Second Xiangya Hospital, Central South University, Changsha, 410000, China.
| | - Ling-Qing Yuan
- Department of Metabolism and Endocrinology, National Clinical Research Center for Metabolic Diseases, the Second Xiangya Hospital, Central South University, Changsha, 410000, China.
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11
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Hjazi A, Sukmana BI, Ali SS, Alsaab HO, Gupta J, Ullah MI, Romero-Parra RM, Alawadi AHR, Alazbjee AAA, Mustafa YF. Functional role of circRNAs in osteogenesis: A review. Int Immunopharmacol 2023; 121:110455. [PMID: 37290324 DOI: 10.1016/j.intimp.2023.110455] [Citation(s) in RCA: 5] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/23/2023] [Revised: 05/20/2023] [Accepted: 06/02/2023] [Indexed: 06/10/2023]
Abstract
The extracellular matrixes (ECM), as well as the microenvironmental signals, play an essential role in osteogenesis by regulating intercellular pathways. Recently, it has been demonstrated that a newly identified RNA, circular RNA, contributes to the osteogenesis process. Circular RNA (circRNA), the most recently identified RNA, is involved in the regulation of gene expression at transcription to translation levels. The dysregulation of circRNAs has been observed in several tumors and diseases. Also, various studies have shown that circRNAs expression is changed during osteogenic differentiation of progenitor cells. Therefore, understanding the role of circRNAs in osteogenesis might help the diagnosis as well as treatment of bone diseases such as bone defects and osteoporosis. In this review, circRNA functions and the related pathways in osteogenesis have been discussed.
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Affiliation(s)
- Ahmed Hjazi
- Department of Medical Laboratory Sciences, College of Applied Medical Sciences, Prince Sattam bin Abdulaziz University, Al-Kharj 11942, Saudi Arabia
| | - Bayu Indra Sukmana
- Department of Oral Biology, Faculty of Dentistry, Lambung Mangkurat University, Banjarmasin, Indonesia
| | - Sally Saad Ali
- College of Dentistry, Al-Bayan University, Baghdad, Iraq
| | - Hashem O Alsaab
- Pharmaceutics and Pharmaceutical Technology, Taif University, Taif, Saudi Arabia
| | - Jitendra Gupta
- Institute of Pharmaceutical Research, GLA University, Mathura, Pin Code 281406 U.P., India
| | - Muhammad Ikram Ullah
- Department of Clinical Laboratory Sciences, College of Applied Medical Sciences, Jouf University, Sakaka 75471, Aljouf, Saudi Arabia
| | | | - Ahmed H R Alawadi
- Medical Analysis Department, College of Medical Technology, The Islamic University, Najaf, Iraq
| | | | - Yasser Fakri Mustafa
- Department of Pharmaceutical Chemistry, College of Pharmacy, University of Mosul, Mosul-41001, Iraq
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12
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Pu P, Wu S, Zhang K, Xu H, Guan J, Jin Z, Sun W, Zhang H, Yan B. Mechanical force induces macrophage-derived exosomal UCHL3 promoting bone marrow mesenchymal stem cell osteogenesis by targeting SMAD1. J Nanobiotechnology 2023; 21:88. [PMID: 36915132 PMCID: PMC10012474 DOI: 10.1186/s12951-023-01836-z] [Citation(s) in RCA: 8] [Impact Index Per Article: 8.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/03/2022] [Accepted: 03/02/2023] [Indexed: 03/16/2023] Open
Abstract
BACKGROUND Orthodontic tooth movement (OTM), a process of alveolar bone remodelling, is induced by mechanical force and regulated by local inflammation. Bone marrow-derived mesenchymal stem cells (BMSCs) play a fundamental role in osteogenesis during OTM. Macrophages are mechanosensitive cells that can regulate local inflammatory microenvironment and promote BMSCs osteogenesis by secreting diverse mediators. However, whether and how mechanical force regulates osteogenesis during OTM via macrophage-derived exosomes remains elusive. RESULTS Mechanical stimulation (MS) promoted bone marrow-derived macrophage (BMDM)-mediated BMSCs osteogenesis. Importantly, when exosomes from mechanically stimulated BMDMs (MS-BMDM-EXOs) were blocked, the pro-osteogenic effect was suppressed. Additionally, compared with exosomes derived from BMDMs (BMDM-EXOs), MS-BMDM-EXOs exhibited a stronger ability to enhance BMSCs osteogenesis. At in vivo, mechanical force-induced alveolar bone formation was impaired during OTM when exosomes were blocked, and MS-BMDM-EXOs were more effective in promoting alveolar bone formation than BMDM-EXOs. Further proteomic analysis revealed that ubiquitin carboxyl-terminal hydrolase isozyme L3 (UCHL3) was enriched in MS-BMDM-EXOs compared with BMDM-EXOs. We went on to show that BMSCs osteogenesis and mechanical force-induced bone formation were impaired when UCHL3 was inhibited. Furthermore, mothers against decapentaplegic homologue 1 (SMAD1) was identified as the target protein of UCHL3. At the mechanistic level, we showed that SMAD1 interacted with UCHL3 in BMSCs and was downregulated when UCHL3 was suppressed. Consistently, overexpression of SMAD1 rescued the adverse effect of inhibiting UCHL3 on BMSCs osteogenesis. CONCLUSIONS This study suggests that mechanical force-induced macrophage-derived exosomal UCHL3 promotes BMSCs osteogenesis by targeting SMAD1, thereby promoting alveolar bone formation during OTM.
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Affiliation(s)
- Panjun Pu
- Department of Orthodontics, The Affiliated Stomatological Hospital of Nanjing Medical University, Nanjing, 210000, China
- Jiangsu Key Laboratory of Oral Diseases, Nanjing Medical University, Nanjing, 210000, China
- Jiangsu Province Engineering Research Center of Stomatological Translational Medicine, Nanjing, 210000, China
- Key Laboratory of Shaanxi Province for Craniofacial Precision Medicine Research, College of Stomatology, Xi'an Jiaotong University, Xi'an, 710049, China
| | - Shengnan Wu
- Department of Orthodontics, The Affiliated Stomatological Hospital of Nanjing Medical University, Nanjing, 210000, China
- Jiangsu Key Laboratory of Oral Diseases, Nanjing Medical University, Nanjing, 210000, China
- Jiangsu Province Engineering Research Center of Stomatological Translational Medicine, Nanjing, 210000, China
| | - Kejia Zhang
- Department of Orthodontics, The Affiliated Stomatological Hospital of Nanjing Medical University, Nanjing, 210000, China
- Jiangsu Key Laboratory of Oral Diseases, Nanjing Medical University, Nanjing, 210000, China
- Jiangsu Province Engineering Research Center of Stomatological Translational Medicine, Nanjing, 210000, China
| | - Hao Xu
- Department of Orthodontics, The Affiliated Stomatological Hospital of Nanjing Medical University, Nanjing, 210000, China
- Jiangsu Key Laboratory of Oral Diseases, Nanjing Medical University, Nanjing, 210000, China
- Jiangsu Province Engineering Research Center of Stomatological Translational Medicine, Nanjing, 210000, China
| | - Jiani Guan
- Department of Orthodontics, The Affiliated Stomatological Hospital of Nanjing Medical University, Nanjing, 210000, China
- Jiangsu Key Laboratory of Oral Diseases, Nanjing Medical University, Nanjing, 210000, China
- Jiangsu Province Engineering Research Center of Stomatological Translational Medicine, Nanjing, 210000, China
| | - Zhichun Jin
- Department of Orthodontics, The Affiliated Stomatological Hospital of Nanjing Medical University, Nanjing, 210000, China
- Jiangsu Key Laboratory of Oral Diseases, Nanjing Medical University, Nanjing, 210000, China
- Jiangsu Province Engineering Research Center of Stomatological Translational Medicine, Nanjing, 210000, China
| | - Wen Sun
- Jiangsu Key Laboratory of Oral Diseases, Nanjing Medical University, Nanjing, 210000, China
| | - Hanwen Zhang
- School of Basic Medical Sciences, Nanjing Medical University, Nanjing, 210000, China.
- Key Laboratory of Targeted Intervention of Cardiovascular Disease, Collaborative Innovation Center for Cardiovascular Disease Translational Medicine, Nanjing Medical University, Nanjing, 210000, China.
| | - Bin Yan
- Department of Orthodontics, The Affiliated Stomatological Hospital of Nanjing Medical University, Nanjing, 210000, China.
- Jiangsu Key Laboratory of Oral Diseases, Nanjing Medical University, Nanjing, 210000, China.
- Jiangsu Province Engineering Research Center of Stomatological Translational Medicine, Nanjing, 210000, China.
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13
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Zhang Q, Long Y, Jin L, Li C, Long J. Non-coding RNAs regulate the BMP/Smad pathway during osteogenic differentiation of stem cells. Acta Histochem 2023; 125:151998. [PMID: 36630753 DOI: 10.1016/j.acthis.2023.151998] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/07/2022] [Revised: 01/04/2023] [Accepted: 01/05/2023] [Indexed: 01/11/2023]
Abstract
MicroRNAs (miRNAs), long non-coding RNAs (lncRNAs), and circular RNAs (circRNAs) are involved in the regulation of bone metabolism. The BMP/Smad pathway is a key signaling pathway for classical regulation of osteogenic differentiation. Non-coding RNAs (ncRNAs) and the BMP/Smad pathway both have important roles for osteogenic differentiation of stem cells, bone regeneration, and development of bone diseases. There is increasing evidence that ncRNAs interact with the BMP/Smad pathway to regulate not only osteogenic differentiation of stem cells but also progression of bone diseases, such as osteoporosis (OP), myeloma, and osteonecrosis of the femoral head (ONFH), by controlling the expression of bone disease-related genes. Therefore, ncRNAs that interact with BMP/Smad pathway molecules are potential targets for bone regeneration as well as bone disease diagnosis, prevention, and treatment. However, despite extensive studies on ncRNAs associated with the BMP/Smad pathway and osteogenic differentiation of stem cells, there is a lack of comparability. Moreover, some bone disease-associated ncRNAs with low abundance can be difficult to detect and there is a lack of mature delivery systems for their stable translocation to target sites, thus limiting their application. In this review, we summarize the research progress on interactions between ncRNAs and the BMP/Smad pathway during osteogenic differentiation of various stem cells and in the regulation of bone regeneration and bone diseases.
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Affiliation(s)
- Qiuling Zhang
- The State Key Laboratory of Oral Diseases, Sichuan University, Chengdu 610041, PR China; Department of Oral and Maxillofacial Surgery, West China College of Stomatology, Sichuan University, Chengdu 610041, PR China
| | - Yifei Long
- The State Key Laboratory of Oral Diseases, Sichuan University, Chengdu 610041, PR China
| | - Liangyu Jin
- The State Key Laboratory of Oral Diseases, Sichuan University, Chengdu 610041, PR China; Department of Oral and Maxillofacial Surgery, West China College of Stomatology, Sichuan University, Chengdu 610041, PR China
| | - Chenghao Li
- The State Key Laboratory of Oral Diseases, Sichuan University, Chengdu 610041, PR China; Department of Oral and Maxillofacial Surgery, West China College of Stomatology, Sichuan University, Chengdu 610041, PR China.
| | - Jie Long
- The State Key Laboratory of Oral Diseases, Sichuan University, Chengdu 610041, PR China; Department of Oral and Maxillofacial Surgery, West China College of Stomatology, Sichuan University, Chengdu 610041, PR China.
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14
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Liu A, Chen Y, Zhong D, Wang C, Yu M, Liu C, Yang Z, Chen W, Yin K. CircRNA AFF4 induced by KDM1A promotes osteogenic differentiation through FNDC5/Irisin pathway. Mol Med 2022; 28:134. [PMID: 36401176 PMCID: PMC9673395 DOI: 10.1186/s10020-022-00557-7] [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: 06/10/2022] [Revised: 10/08/2022] [Accepted: 10/13/2022] [Indexed: 11/19/2022] Open
Abstract
Background Circular RNA (circ) AFF4 was documented to regulate osteogenesis but the underlying mechanism remains to be elucidated. The preliminary study showed that circ_AFF4 may promote osteogenesis via FNDC5/Irisin. Furthermore, the online prediction tool indicated the interaction of circ_AFF4, insulin-like growth factor-2 mRNA-binding protein 3 (IGF2BP3), FNDC5 and lysine (K)-specific demethylase 1 A (KDM1A). Therefore, this study aims to elucidate the relationships of KDM1A, circ_AFF4, IGF2BP3 and FNDC5/Irisin during osteogenesis. Methods The alkaline phosphatase (ALP) activities and osteogenic-related factors were determined using ALP and alizarin red S (ARS) staining, real-time quantitative PCR(RT-qPCR) and western blot. Immunoprecipitation (RIP), pull-down assay and fluorescence in situ hybridization (FISH) were used to examine the interactions among circ_AFF4/IGF2BP3/FNDC5. A mouse in vivo model was utilized to further confirm the regulatory effect on bone formation. Results Circ_AFF4 and KDM1A expression levels were increased during osteoinduction of BM-MSCs. Knockdown of circ_AFF4 and KDM1A significantly suppressed BM-MSC osteogenesis. We also proved that KDM1A directly bound to circ_AFF4 and FNDC5 promoter and induced circ_AFF4 and FNDC5 expression. Furthermore, circ_AFF4 enhanced the stability of FNDC5 by generating a circ_AFF4, IGF2BP3 and FNDC5 RNA-protein complex, and thereby induced Irisin and osteogenesis. The in vitro data was confirmed with in vivo model. Conclusion These findings elucidate that KDM1A induces circ_AFF4, which promotes promote osteogenesis via IGF2BP3. This study indicates that circ_AFF4 may potentially represent a critical therapeutic target for the diseases. Supplementary Information The online version contains supplementary material available at 10.1186/s10020-022-00557-7.
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Affiliation(s)
- Ansong Liu
- grid.412017.10000 0001 0266 8918The First Affiliated Hospital, Department of Orthopedics, Hengyang Medical School, University of South China, No. 69 Chuanshan Road, Hengyang, Hunan 421001 China
| | - Yong Chen
- grid.412017.10000 0001 0266 8918The First Affiliated Hospital, Department of Spine, Hengyang Medical School, University of South China, No. 69 Chuanshan Road, Hengyang, Hunan 421001 China
| | - Da Zhong
- grid.216417.70000 0001 0379 7164Department of Orthopedics, Xiangya Hospital, Central South University, No.87 Xiangya Road, 410008 Changsha, Hunan China
| | - Chenggong Wang
- grid.216417.70000 0001 0379 7164Department of Orthopedics, Xiangya Hospital, Central South University, No.87 Xiangya Road, 410008 Changsha, Hunan China
| | - Mi Yu
- grid.412017.10000 0001 0266 8918Hengyang Medical School, University of South China, Hengyang, Hunan 421001, China
| | - Chao Liu
- grid.412017.10000 0001 0266 8918The First Affiliated Hospital, Department of Orthopedics, Hengyang Medical School, University of South China, No. 69 Chuanshan Road, Hengyang, Hunan 421001 China
| | - Zhijun Yang
- grid.412017.10000 0001 0266 8918The First Affiliated Hospital, Department of Orthopedics, Hengyang Medical School, University of South China, No. 69 Chuanshan Road, Hengyang, Hunan 421001 China
| | - Wenkang Chen
- grid.412017.10000 0001 0266 8918The First Affiliated Hospital, Department of Orthopedics, Hengyang Medical School, University of South China, No. 69 Chuanshan Road, Hengyang, Hunan 421001 China
| | - Ke Yin
- grid.412017.10000 0001 0266 8918The First Affiliated Hospital, Department of Orthopedics, Hengyang Medical School, University of South China, No. 69 Chuanshan Road, Hengyang, Hunan 421001 China
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Yin XH, Wang XY, Liu SC, Yan L, He BR, Hao DJ, Yang M, Liu ZK. lncRNA HHIP-AS1/HHIP modulates osteogenic differentiation of BM-MSCs by regulating Hedgehog signaling pathway. Aging (Albany NY) 2022; 14:8839-8855. [DOI: 10.18632/aging.204381] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/02/2022] [Accepted: 10/27/2022] [Indexed: 11/16/2022]
Affiliation(s)
- Xin-Hua Yin
- Department of Spine Surgery, Hong Hui Hospital, Xi’an Jiaotong University College of Medicine, Xi’an, China
| | - Xiao-Yuan Wang
- Physical Examination Center, Xi'an International Medical Center Hospital, Xi’an, China
| | - Shi-Chang Liu
- Department of Spine Surgery, Hong Hui Hospital, Xi’an Jiaotong University College of Medicine, Xi’an, China
| | - Liang Yan
- Department of Spine Surgery, Hong Hui Hospital, Xi’an Jiaotong University College of Medicine, Xi’an, China
| | - Bao-Rong He
- Department of Spine Surgery, Hong Hui Hospital, Xi’an Jiaotong University College of Medicine, Xi’an, China
| | - Ding-Jun Hao
- Department of Spine Surgery, Hong Hui Hospital, Xi’an Jiaotong University College of Medicine, Xi’an, China
| | - Ming Yang
- Department of Spine Surgery, Hong Hui Hospital, Xi’an Jiaotong University College of Medicine, Xi’an, China
| | - Zhong-Kai Liu
- Department of Spine Surgery, Hong Hui Hospital, Xi’an Jiaotong University College of Medicine, Xi’an, China
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16
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Chen SC, Jiang T, Liu QY, Liu ZT, Su YF, Su HT. Hsa_circ_0001485 promoted osteogenic differentiation by targeting BMPR2 to activate the TGFβ-BMP pathway. Stem Cell Res Ther 2022; 13:453. [PMID: 36064455 PMCID: PMC9446709 DOI: 10.1186/s13287-022-03150-1] [Citation(s) in RCA: 8] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/25/2022] [Accepted: 08/21/2022] [Indexed: 12/02/2022] Open
Abstract
Background Circular RNAs (circRNAs) are a new type of stable noncoding RNA and have been proven to play a crucial role in osteoporosis. This study explored the role and mechanism of hsa_circ_0001485 in osteogenic differentiation. Methods Kyoto Encyclopedia of Genes and Genomes (KEGG) analysis and Gene Ontology (GO) enrichment analysis were performed according to the previous sequencing data in human bone marrow mesenchymal stem cells (BMSC) before and after the induction of osteogenic differentiation on the differentially expressed circRNAs, to screen out signaling pathways associated with osteogenic differentiation. The hFOB 1.19 cells were used to verify the function and mechanism of specific circRNAs in osteogenic differentiation. Additionally, small interfering fragments and overexpression plasmids were used to determine the role of specific circRNAs during osteogenic differentiation. Furthermore, pull-down experiments and mass spectrometry were performed to determine the proteins that bind to specific circRNAs. Results The KEGG and GO enrichment analyses showed that the TGFβ-BMP signaling pathway was related to the osteogenic differentiation process, and four circRNAs were associated with the pathway. The quantitative polymerase chain reaction analysis revealed that hsa_circ_0001485 expression was increased during the osteogenic differentiation process of BMSCs. Knockdown of hsa_circ_0001485 suppressed the activity of the alkaline phosphatase enzyme and the expression of RUNX2, osteopontin, and osteocalcin in the osteogenic hFOB 1.19 cells, whereas overexpression of hsa_circ_0001485 promoted their expression. Additionally, we found that hsa_circ_0001485 and BMPR2 targeted binding to activate the TGFβ-BMP signaling pathway and promoted osteogenic differentiation through mass spectrometry analysis. Conclusion This study demonstrates that hsa_circ_0001485 is highly expressed in the osteogenic hFOB 1.19 cells, which activate the TGFβ-BMP pathway through targeted binding of BMPR2, and plays a positive role in regulating osteogenic differentiation.
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Affiliation(s)
- Shan-Chuang Chen
- Department of Orthopaedics, The Second Affiliated Hospital of Guangzhou University of Chinese Medicine, No. 55 Inner Ring West Road, Guangzhou Higher Education Mega Center, Guangzhou, 510006, Guangdong, China
| | - Tao Jiang
- Department of Orthopaedics, The Second Affiliated Hospital of Guangzhou University of Chinese Medicine, No. 55 Inner Ring West Road, Guangzhou Higher Education Mega Center, Guangzhou, 510006, Guangdong, China.
| | - Qi-Yu Liu
- Department of Orthopaedics, The Second Affiliated Hospital of Guangzhou University of Chinese Medicine, No. 55 Inner Ring West Road, Guangzhou Higher Education Mega Center, Guangzhou, 510006, Guangdong, China
| | - Zi-Tao Liu
- Department of Orthopaedics, The Second Affiliated Hospital of Guangzhou University of Chinese Medicine, No. 55 Inner Ring West Road, Guangzhou Higher Education Mega Center, Guangzhou, 510006, Guangdong, China
| | - Yu-Fei Su
- Department of Rehabilitation and Recovery, Albury Wodonga Health, Albury, NSW, 2640, Australia
| | - Hai-Tao Su
- Department of Orthopaedics, The Second Affiliated Hospital of Guangzhou University of Chinese Medicine, No. 55 Inner Ring West Road, Guangzhou Higher Education Mega Center, Guangzhou, 510006, Guangdong, China
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17
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Chen T, Peng Y, Hu W, Shi H, Li P, Que Y, Qiu J, Qiu X, Gao B, Zhou H, Chen Y, Zhu Y, Li S, Liang A, Gao W, Huang D. Irisin enhances chondrogenic differentiation of human mesenchymal stem cells via Rap1/PI3K/AKT axis. Stem Cell Res Ther 2022; 13:392. [PMID: 35922833 PMCID: PMC9351134 DOI: 10.1186/s13287-022-03092-8] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/27/2022] [Accepted: 04/17/2022] [Indexed: 12/11/2022] Open
Abstract
Background Human mesenchymal stem cells (hMSCs) have been proven to have inherent chondrogenic differentiation potential, which appears to be used in cartilage regeneration. Increasing evidence suggests that irisin enhances osteoblast differentiation of MSCs, but little is known about its potential on chondrogenic differentiation. Methods In the study, we investigated the effects of irisin on chondrogenic differentiation of hMSCs using a high-density pellet culture system. The cartilage pellets were evaluated by morphology, and the metabolism of cartilage matrix was detected by qPCR, western blot and immunohistochemistry. Next, RNA-seq was performed to explore the underlying mechanism. Furthermore, using the transduction of plasmid, miRNAs mimics and inhibitor, the activation of Rap1/PI3K/AKT axis, the expression level of SIPA1L2, and the functional verification of miR-125b-5p were detected on day 7 of chondrogenic differentiation of hMSCs. Results Compared with the controls, we found that irisin treatment could significantly enhance the chondrogenic differentiation of hMSCs, enlarge the induced-cartilage tissue and up-regulate the expression levels of cartilage markers. RNA-seq indicated that irisin activated the Rap1 and PI3K/AKT signaling pathway, and the lower expression level of SIPA1L2 and the higher expression level of miR-125b-5p were found in irisin-treated group. Further, we found that irisin treatment could up-regulate the expression level of miR-125b-5p, targeting SIPA1L2 and consequently activating the Rap1/PI3K/AKT axis on the process of chondrogenic differentiation of hMSCs. Conclusions Collectively, our study reveals that irisin can enhance chondrogenic differentiation of hMSCs via the Rap1/PI3K/AKT pathway, suggesting that irisin possesses prospects in cartilage regeneration. Supplementary Information The online version contains supplementary material available at 10.1186/s13287-022-03092-8.
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Affiliation(s)
- Taiqiu Chen
- Department of Orthopedics, Sun Yat-Sen Memorial Hospital of Sun Yat-Sen University, #107 West Yan Jiang Road, Guangzhou, Guangdong, China
| | - Yan Peng
- Department of Orthopedics, Sun Yat-Sen Memorial Hospital of Sun Yat-Sen University, #107 West Yan Jiang Road, Guangzhou, Guangdong, China
| | - Wenjun Hu
- Department of Orthopedics, Sun Yat-Sen Memorial Hospital of Sun Yat-Sen University, #107 West Yan Jiang Road, Guangzhou, Guangdong, China
| | - Huihong Shi
- Department of Orthopedics, Sun Yat-Sen Memorial Hospital of Sun Yat-Sen University, #107 West Yan Jiang Road, Guangzhou, Guangdong, China
| | - Pengfei Li
- Department of Orthopedics, Sun Yat-Sen Memorial Hospital of Sun Yat-Sen University, #107 West Yan Jiang Road, Guangzhou, Guangdong, China
| | - Yichen Que
- Department of Orthopedics, Sun Yat-Sen Memorial Hospital of Sun Yat-Sen University, #107 West Yan Jiang Road, Guangzhou, Guangdong, China
| | - Jincheng Qiu
- Department of Orthopedics, Sun Yat-Sen Memorial Hospital of Sun Yat-Sen University, #107 West Yan Jiang Road, Guangzhou, Guangdong, China
| | - Xianjian Qiu
- Department of Orthopedics, Sun Yat-Sen Memorial Hospital of Sun Yat-Sen University, #107 West Yan Jiang Road, Guangzhou, Guangdong, China
| | - Bo Gao
- Department of Orthopedics, Sun Yat-Sen Memorial Hospital of Sun Yat-Sen University, #107 West Yan Jiang Road, Guangzhou, Guangdong, China
| | - Hang Zhou
- Department of Orthopedics, Sun Yat-Sen Memorial Hospital of Sun Yat-Sen University, #107 West Yan Jiang Road, Guangzhou, Guangdong, China
| | - Yanbo Chen
- Department of Orthopedics, Sun Yat-Sen Memorial Hospital of Sun Yat-Sen University, #107 West Yan Jiang Road, Guangzhou, Guangdong, China
| | - Yuanxin Zhu
- Department of Orthopedics, Sun Yat-Sen Memorial Hospital of Sun Yat-Sen University, #107 West Yan Jiang Road, Guangzhou, Guangdong, China
| | - Shaoguang Li
- Department of Orthopedics, Sun Yat-Sen Memorial Hospital of Sun Yat-Sen University, #107 West Yan Jiang Road, Guangzhou, Guangdong, China
| | - Anjing Liang
- Department of Orthopedics, Sun Yat-Sen Memorial Hospital of Sun Yat-Sen University, #107 West Yan Jiang Road, Guangzhou, Guangdong, China
| | - Wenjie Gao
- Department of Orthopedics, Sun Yat-Sen Memorial Hospital of Sun Yat-Sen University, #107 West Yan Jiang Road, Guangzhou, Guangdong, China.
| | - Dongsheng Huang
- Department of Orthopedics, Sun Yat-Sen Memorial Hospital of Sun Yat-Sen University, #107 West Yan Jiang Road, Guangzhou, Guangdong, China.
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Li J, Wang Z, Li C, Song Y, Wang Y, Bo H, Zhang Y. Impact of Exercise and Aging on Mitochondrial Homeostasis in Skeletal Muscle: Roles of ROS and Epigenetics. Cells 2022; 11:cells11132086. [PMID: 35805170 PMCID: PMC9266156 DOI: 10.3390/cells11132086] [Citation(s) in RCA: 11] [Impact Index Per Article: 5.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/26/2022] [Revised: 06/22/2022] [Accepted: 06/28/2022] [Indexed: 02/01/2023] Open
Abstract
Aging causes degenerative changes such as epigenetic changes and mitochondrial dysfunction in skeletal muscle. Exercise can upregulate muscle mitochondrial homeostasis and enhance antioxidant capacity and represents an effective treatment to prevent muscle aging. Epigenetic changes such as DNA methylation, histone posttranslational modifications, and microRNA expression are involved in the regulation of exercise-induced adaptive changes in muscle mitochondria. Reactive oxygen species (ROS) play an important role in signaling molecules in exercise-induced muscle mitochondrial health benefits, and strong evidence emphasizes that exercise-induced ROS can regulate gene expression via epigenetic mechanisms. The majority of mitochondrial proteins are imported into mitochondria from the cytosol, so mitochondrial homeostasis is regulated by nuclear epigenetic mechanisms. Exercise can reverse aging-induced changes in myokine expression by modulating epigenetic mechanisms. In this review, we provide an overview of the role of exercise-generated ROS in the regulation of mitochondrial homeostasis mediated by epigenetic mechanisms. In addition, the potential epigenetic mechanisms involved in exercise-induced myokine expression are reviewed.
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Affiliation(s)
- Jialin Li
- Tianjin Key Laboratory of Exercise Physiology and Sports Medicine, Institute of Exercise and Health, Tianjin University of Sport, Tianjin 301617, China; (J.L.); (Z.W.); (C.L.); (Y.S.); (Y.W.)
| | - Zhe Wang
- Tianjin Key Laboratory of Exercise Physiology and Sports Medicine, Institute of Exercise and Health, Tianjin University of Sport, Tianjin 301617, China; (J.L.); (Z.W.); (C.L.); (Y.S.); (Y.W.)
| | - Can Li
- Tianjin Key Laboratory of Exercise Physiology and Sports Medicine, Institute of Exercise and Health, Tianjin University of Sport, Tianjin 301617, China; (J.L.); (Z.W.); (C.L.); (Y.S.); (Y.W.)
| | - Yu Song
- Tianjin Key Laboratory of Exercise Physiology and Sports Medicine, Institute of Exercise and Health, Tianjin University of Sport, Tianjin 301617, China; (J.L.); (Z.W.); (C.L.); (Y.S.); (Y.W.)
| | - Yan Wang
- Tianjin Key Laboratory of Exercise Physiology and Sports Medicine, Institute of Exercise and Health, Tianjin University of Sport, Tianjin 301617, China; (J.L.); (Z.W.); (C.L.); (Y.S.); (Y.W.)
| | - Hai Bo
- Tianjin Key Laboratory of Exercise Physiology and Sports Medicine, Institute of Exercise and Health, Tianjin University of Sport, Tianjin 301617, China; (J.L.); (Z.W.); (C.L.); (Y.S.); (Y.W.)
- Department of Military Training Medicines, Logistics University of Chinese People’s Armed Police Force, Tianjin 300162, China
- Correspondence: (H.B.); (Y.Z.)
| | - Yong Zhang
- Tianjin Key Laboratory of Exercise Physiology and Sports Medicine, Institute of Exercise and Health, Tianjin University of Sport, Tianjin 301617, China; (J.L.); (Z.W.); (C.L.); (Y.S.); (Y.W.)
- Correspondence: (H.B.); (Y.Z.)
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Chen X, Xie W, Zhang M, Shi Y, Xu S, Cheng H, Wu L, Pathak JL, Zheng Z. The Emerging Role of Non-Coding RNAs in Osteogenic Differentiation of Human Bone Marrow Mesenchymal Stem Cells. Front Cell Dev Biol 2022; 10:903278. [PMID: 35652090 PMCID: PMC9150698 DOI: 10.3389/fcell.2022.903278] [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: 03/24/2022] [Accepted: 04/25/2022] [Indexed: 11/13/2022] Open
Abstract
Autologous bone marrow-derived mesenchymal stem cells (BMSCs) are more easily available and frequently used for bone regeneration in clinics. Osteogenic differentiation of BMSCs involves complex regulatory networks affecting bone formation phenomena. Non-coding RNAs (ncRNAs) refer to RNAs that do not encode proteins, mainly including microRNAs, long non-coding RNAs, circular RNAs, piwi-interacting RNAs, transfer RNA-derived small RNAs, etc. Recent in vitro and in vivo studies had revealed the regulatory role of ncRNAs in osteogenic differentiation of BMSCs. NcRNAs had both stimulatory and inhibitory effects on osteogenic differentiation of BMSCs. During the physiological condition, osteo-stimulatory ncRNAs are upregulated and osteo-inhibitory ncRNAs are downregulated. The opposite effects might occur during bone degenerative disease conditions. Intracellular ncRNAs and ncRNAs from neighboring cells delivered via exosomes participate in the regulatory process of osteogenic differentiation of BMSCs. In this review, we summarize the recent advances in the regulatory role of ncRNAs on osteogenic differentiation of BMSCs during physiological and pathological conditions. We also discuss the prospects of the application of modulation of ncRNAs function in BMSCs to promote bone tissue regeneration in clinics.
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Affiliation(s)
- Xiaoying Chen
- Affiliated Stomatology Hospital of Guangzhou Medical University, Guangdong Engineering Research Center of Oral Restoration and Reconstruction, Guangzhou Key Laboratory of Basic and Applied Research of Oral Regenerative Medicine, Guangzhou, China
| | - Wei Xie
- Affiliated Stomatology Hospital of Guangzhou Medical University, Guangdong Engineering Research Center of Oral Restoration and Reconstruction, Guangzhou Key Laboratory of Basic and Applied Research of Oral Regenerative Medicine, Guangzhou, China
| | - Ming Zhang
- Affiliated Stomatology Hospital of Guangzhou Medical University, Guangdong Engineering Research Center of Oral Restoration and Reconstruction, Guangzhou Key Laboratory of Basic and Applied Research of Oral Regenerative Medicine, Guangzhou, China
| | - Yuhan Shi
- Affiliated Stomatology Hospital of Guangzhou Medical University, Guangdong Engineering Research Center of Oral Restoration and Reconstruction, Guangzhou Key Laboratory of Basic and Applied Research of Oral Regenerative Medicine, Guangzhou, China
| | - Shaofen Xu
- Affiliated Stomatology Hospital of Guangzhou Medical University, Guangdong Engineering Research Center of Oral Restoration and Reconstruction, Guangzhou Key Laboratory of Basic and Applied Research of Oral Regenerative Medicine, Guangzhou, China
| | - Haoyu Cheng
- Affiliated Stomatology Hospital of Guangzhou Medical University, Guangdong Engineering Research Center of Oral Restoration and Reconstruction, Guangzhou Key Laboratory of Basic and Applied Research of Oral Regenerative Medicine, Guangzhou, China
| | - Lihong Wu
- Affiliated Stomatology Hospital of Guangzhou Medical University, Guangdong Engineering Research Center of Oral Restoration and Reconstruction, Guangzhou Key Laboratory of Basic and Applied Research of Oral Regenerative Medicine, Guangzhou, China.,Department of Basic Oral Medicine, School and Hospital of Stomatology, Guangzhou Medical University, Guangzhou, China
| | - Janak L Pathak
- Affiliated Stomatology Hospital of Guangzhou Medical University, Guangdong Engineering Research Center of Oral Restoration and Reconstruction, Guangzhou Key Laboratory of Basic and Applied Research of Oral Regenerative Medicine, Guangzhou, China.,Department of Basic Oral Medicine, School and Hospital of Stomatology, Guangzhou Medical University, Guangzhou, China
| | - Zhichao Zheng
- Affiliated Stomatology Hospital of Guangzhou Medical University, Guangdong Engineering Research Center of Oral Restoration and Reconstruction, Guangzhou Key Laboratory of Basic and Applied Research of Oral Regenerative Medicine, Guangzhou, China.,Department of Basic Oral Medicine, School and Hospital of Stomatology, Guangzhou Medical University, Guangzhou, China.,Laboratory for Myology, Department of Human Movement Sciences, Faculty of Behavioural and Movement Sciences, Amsterdam Movement Sciences, Vrije Universiteit Amsterdam, Amsterdam, Netherlands
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20
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Abstract
Circular RNAs (circRNAs) are a novel class of noncoding RNAs that widely exist in eukaryotes. As a new focus in the field of molecular regulation, circRNAs have attracted much attention in recent years. Previous studies have confirmed that circRNAs are associated with many physiological and pathological processes. CircRNAs also participate in the regulation of stem cells. Stem cells have the properties of self-renewal and differentiation, which make stem cell therapy popular. CircRNAs may serve as new targets in stem cell therapy due to their regulation in stem cells. However, the underlying relationships between circRNAs and stem cells are still being explored. In this review, we briefly summarize the effects of circRNAs on stem cells, in the context of biological activities, aging and apoptosis, and aberrant changes. Moreover, we also examine the biological roles of stem cell-derived exosomal circRNAs. We believe our review will provide insights into the effects of circRNAs on stem cells.
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21
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Fan L, Yang K, Yu R, Hui H, Wu W. circ-Iqsec1 induces bone marrow-derived mesenchymal stem cell (BMSC) osteogenic differentiation through the miR-187-3p/Satb2 signaling pathway. Arthritis Res Ther 2022; 24:273. [PMID: 36517907 PMCID: PMC9749292 DOI: 10.1186/s13075-022-02964-x] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/02/2022] [Accepted: 11/30/2022] [Indexed: 12/15/2022] Open
Abstract
BACKGROUND Bone marrow-derived mesenchymal stem cells (BMSCs) are general progenitor cells of osteoblasts and adipocytes and they are characterized as a fundamental mediator for bone formation. The current research studied the molecular mechanisms underlying circRNA-regulated BMSC osteogenic differentiation. METHODS Next-generation sequencing (NGS) was employed to study abnormal circRNA and mRNA expression in BMSCs before and after osteogenic differentiation induction. Bioinformatics analysis and luciferase reporting analysis were employed to confirm correlations among miRNA, circRNA, and mRNA. RT-qPCR, ALP staining, and alizarin red staining illustrated the osteogenic differentiation ability of BMSCs. RESULTS Data showed that circ-Iqsec1 expression increased during BMSC osteogenic differentiation. circ-Iqsec1 downregulation reduced BMSC osteogenic differentiation ability. The present investigation discovered that Satb2 played a role during BMSC osteogenic differentiation. Satb2 downregulation decreased BMSC osteogenic differentiation ability. Bioinformatics and luciferase data showed that miR-187-3p linked circ-Iqsec1 and Satb2. miR-187-3p downregulation or Satb2 overexpression restored the osteogenic differentiation capability of BMSCs post silencing circ-Iqsec1 in in vivo and in vitro experiments. Satb2 upregulation restored osteogenic differentiation capability of BMSCs post miR-187-3p overexpression. CONCLUSION Taken together, our study found that circ-Iqsec1 induced BMSC osteogenic differentiation through the miR-187-3p/Satb2 signaling pathway.
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Affiliation(s)
- Lixia Fan
- grid.452402.50000 0004 1808 3430Department of Anesthesiology, Qilu Hospital of Shandong University, 107 Wenhua West Road, Jinan city, 250012 Shandong China
| | - Kaiyun Yang
- grid.27255.370000 0004 1761 1174Institute of Stomatology, Shandong University, 107 Wenhua West Road, Jinan city, 250012 Shandong China
| | - Ruixuan Yu
- grid.452402.50000 0004 1808 3430Department of Orthopaedics, Qilu Hospital of Shandong University, Jinan city, 250012 China
| | - Houde Hui
- grid.452402.50000 0004 1808 3430Department of Orthopaedics, Qilu Hospital of Shandong University, Jinan city, 250012 China
| | - Wenliang Wu
- grid.452402.50000 0004 1808 3430Department of Orthopaedics, Qilu Hospital of Shandong University, Jinan city, 250012 China
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22
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Zhang X, Zhang Y, Yang L, Wu Y, Ma X, Tong G, Ban Z, Zhao H. IRF4 suppresses osteogenic differentiation of BM-MSCs by transcriptionally activating miR-636/DOCK9 axis. Clinics (Sao Paulo) 2022; 77:100019. [PMID: 35397366 PMCID: PMC8989710 DOI: 10.1016/j.clinsp.2022.100019] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 10/25/2021] [Accepted: 01/27/2022] [Indexed: 11/18/2022] Open
Abstract
OBJECTIVES Osteoblasts are derived from Bone Marrow-derived Mesenchymal Stem Cells (BM-MSCs), which play an indispensable role in bone formation. In this study, the authors aim to investigate the role of IRF4 in the osteogenic differentiation of BM-MSCs and its potential molecular mechanism. METHODS The authors used lentivirus infection to overexpress IRF4 in BM-MSCs. The expression of IRF4 and osteogenesis-related genes were detected by qRT-PCR and western blot analysis. The osteogenic differentiation of BM-MSCs was evaluated by Alkaline Phosphatase (ALP) activity, Alizarin red staining, and Alkaline Phosphatase (ALP) staining. Chromatin Immunoprecipitation (ChIP), Dual-Luciferase reporter assay and RNA Immunoprecipitation Assay were applied to confirm the regulatory mechanism between IRF4, miR-636 and DOCK9. RESULTS The authors found IRF4 was down-regulated during the osteogenic differentiation of BM-MSCs, and IRF4 overexpression could decrease the osteogenic differentiation of BM-MSCs by specifically promoting the reduction of Alkaline Phosphatase (ALP) activity and down-regulating osteogenic indicators, including OCN, OPN, Runx2 and CollA1. Mechanistically, IRF4 activated microRNA-636 (miR-636) expression via binding to its promoter region, and Dedicator of Cytokinesis 9 (DOCK9) was identified as the target of miR-636 in BM-MSCs. Moreover, the damage in the capacity of osteogenic differentiation of BM-MSCs induced by IRF4 overexpression could be rescued by miR-636 inhibition. CONCLUSIONS In summary, this paper proposed that IRF4/miR-636/DOCK9 may be considered as targets for the treatment of osteoporosis (OP).
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Affiliation(s)
- Xuepu Zhang
- Orthopedics, The First Affiliated Hospital of Jinzhou Medical University, China
| | - Yue Zhang
- Dental Department, The Second Affiliated Hospital of Jinzhou Medical University, China
| | - Limin Yang
- Orthopedics, The First Affiliated Hospital of Jinzhou Medical University, China
| | - Yuexin Wu
- Orthopedics, The First Affiliated Hospital of Jinzhou Medical University, China
| | - Xiaohu Ma
- Orthopedics, The First Affiliated Hospital of Jinzhou Medical University, China
| | - Gang Tong
- Orthopedics, The First Affiliated Hospital of Jinzhou Medical University, China
| | - Zhaoliang Ban
- Orthopedics, The First Affiliated Hospital of Jinzhou Medical University, China
| | - Haosen Zhao
- Orthopedics, The First Affiliated Hospital of Jinzhou Medical University, China.
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23
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Gao M, Zhang Z, Sun J, Li B, Li Y. The roles of circRNA-miRNA-mRNA networks in the development and treatment of osteoporosis. Front Endocrinol (Lausanne) 2022; 13:945310. [PMID: 35992137 PMCID: PMC9388761 DOI: 10.3389/fendo.2022.945310] [Citation(s) in RCA: 20] [Impact Index Per Article: 10.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 05/16/2022] [Accepted: 07/01/2022] [Indexed: 11/13/2022] Open
Abstract
Osteoporosis is a systemic metabolic disease, mainly characterized by reduced bone mineral density and destruction of bone tissue microstructure. However, the molecular mechanisms of osteoporosis need further investigation and exploration. Increasing studies have reported that circular RNAs (circRNAs), a novel type of RNA molecule, play crucial roles in various physiological and pathological processes and bone-related diseases. Based on an in-depth understanding of their roles in bone development, we summarized the multiple regulatory roles and underlying mechanisms of circRNA-miRNA-mRNA networks in the treatment of osteoporosis, associated with bone marrow mesenchymal stem cells (BMSCs), osteoblasts, and osteoclasts. Deeper insights into the vital roles of circRNA-miRNA-mRNA networks can provide new directions and insights for developing novel diagnostic biomarkers and therapeutic targets in the treatment of osteoporosis.
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Affiliation(s)
- Manqi Gao
- Department of Pharmacy, Deqing People’s Hospital, Huzhou, China
| | - Zhongkai Zhang
- Department of Orthopedics, Shandong Provincial Hospital Affiliated to Shandong First Medical University, Jinan, China
| | - Jiabin Sun
- Department of Pharmacy, Deqing People’s Hospital, Huzhou, China
| | - Bo Li
- Department of Orthopedics, Sun Yat-Sen Memorial Hospital of Sun Yat-Sen University, Guangzhou, China
- *Correspondence: Yuan Li, ; Bo Li,
| | - Yuan Li
- Department of Pharmacology, School of Pharmaceutical Sciences, Cheeloo College of Medicine, Shandong University, Jinan, China
- Suzhou Research Institute, Shandong University, Suzhou, China
- *Correspondence: Yuan Li, ; Bo Li,
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Pan X, Cen X, Zhang B, Pei F, Huang W, Huang X, Zhao Z. Circular RNAs as potential regulators in bone remodeling: a narrative review. ANNALS OF TRANSLATIONAL MEDICINE 2021; 9:1505. [PMID: 34805367 PMCID: PMC8573438 DOI: 10.21037/atm-21-2114] [Citation(s) in RCA: 12] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 04/25/2021] [Accepted: 08/20/2021] [Indexed: 02/05/2023]
Abstract
Objective In this review, we focus on the recent progress of circular ribonucleic acids (circRNAs)-related molecular mechanisms in the processes of osteogenesis and osteoclastogenesis, and explore their roles in the development of bone-remodeling disorders. Background The well-coupled bone-formation and bone-resorption processes are vital in bone remodeling. Once the balance is disrupted, bone-remodeling disorders (e.g., osteoporosis and osteopetrosis) occur, severely affecting patients’ quality of life. CircRNAs, the newly discovered members of the non-coding RNA family, have been reported to act as key checkpoints of various signaling pathways that influence osteoblasts and osteoclasts functions, thus regulating the physiological and pathological processes of bone homeostasis. Methods Three English and three Chinese databases [i.e., PubMed, Embase, MEDLINE (via Ovid), Chinese Biomedical Literature, China National Knowledge Infrastructure, and VIP databases] were searched to June 2021 without language restrictions. Studies exploring the roles of circRNAs in key bone remodeling mediators, such as Smad-dependent bone morphogenetic protein (BMP)/transforming growth factor beta (TGF-β), Wnts, runt-related transcription factor (RUNX), forkhead boxes (FOXs), colony-stimulating factor 1 (CSF-1), receptor activator of nuclear factor kappa B ligand (RANKL)/osteoprotegerin (OPG), and circRNA-related bone-remodeling disorders, were included. Conclusions Many circRNAs have been shown to promote osteogenesis and facilitate osteoclast differentiation via diverse mechanisms, and thus modulate the process of bone homeostasis. The imbalance or impairment of these two parts causes diseases, such as osteoporosis, and osteonecrosis of the femoral head, which are also closely correlated to the aberrant presence of circRNAs. Current evidence provides us with promising diagnosis and treatment methods for some bone homeostasis disorders.
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Affiliation(s)
- Xuefeng Pan
- Department of Orthodontics, State Key Laboratory of Oral Diseases, National Clinical Research Center for Oral Diseases, West China Hospital of Stomatology, Sichuan University, Chengdu, China
| | - Xiao Cen
- Department of Temporomandibular Joint, State Key Laboratory of Oral Diseases, National Clinical Research Center for Oral Diseases, West China Hospital of Stomatology, Sichuan University, Chengdu, China
| | - Bo Zhang
- Department of Orthodontics, State Key Laboratory of Oral Diseases, National Clinical Research Center for Oral Diseases, West China Hospital of Stomatology, Sichuan University, Chengdu, China
| | - Fang Pei
- Department of Orthodontics, State Key Laboratory of Oral Diseases, National Clinical Research Center for Oral Diseases, West China Hospital of Stomatology, Sichuan University, Chengdu, China
| | - Wei Huang
- Department of Orthodontics, State Key Laboratory of Oral Diseases, National Clinical Research Center for Oral Diseases, West China Hospital of Stomatology, Sichuan University, Chengdu, China
| | - Xinqi Huang
- Department of Orthodontics, State Key Laboratory of Oral Diseases, National Clinical Research Center for Oral Diseases, West China Hospital of Stomatology, Sichuan University, Chengdu, China
| | - Zhihe Zhao
- Department of Orthodontics, State Key Laboratory of Oral Diseases, National Clinical Research Center for Oral Diseases, West China Hospital of Stomatology, Sichuan University, Chengdu, China
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